CN106794291A - Pump installation and method for drawing human milk - Google Patents

Abstract

Disclosed herein is for the improved equipment, system and method from breast extract milk.Equipment for extract milk can include peristaltic pump, and the peristaltic pump is arranged to make fluid to be moved to or from breast interface, to apply pressure and thereby from the breast extract milk in the breast interface.The peristaltic pump can be removably coupled to deliver the pipe of the fluid, to keep being separated between fluid coupling component of the peristaltic pump with the equipment.Equipment for extract milk can also include the adjustable breast interface for being arranged to engage human breast and carry out it Fluid Sealing.The adjustable breast interface can be can manually or automatically adjust Fluid Sealing is carried out with the human breast to multiple sizes or shape.

Description

Pump installation and method for drawing human milk

Cross reference

This application claims [the attorney of U.S. Provisional Application No. 62/021,601 for being filed on July 7th, 2014 44936-705.101] and it is filed in [the attorney of U.S. Provisional Application No. 62/028,219 on July 23rd, 2014 44936-708.101] rights and interests, the complete disclosure of above-mentioned document is incorporated by reference into this.

The application and the [attorney of U.S. Patent Application No. 14/221,113 for being filed on March 20th, 2014 44936-703.201], be filed in the [attorney of U.S. Patent Application No. 14/616,557 of on 2 6th, 2015 44936-704.201], be filed in the [attorney of U.S. Provisional Application No. 62/021,597 on July 7th, 2014 44936-706.101] and it is filed in [the attorney of U.S. Provisional Application No. 62/021,604 on July 7th, 2014 44936-707.101] it is related, the complete disclosure of above-mentioned document is incorporated by reference into this.

Background technology

1. invention field.Present invention relates in general to Medical Devices and method, and it is more particularly related to draw With the apparatus and method for collecting human milk.

Preferably for the absorption of milk, but those skilled in the art will manage illustrative embodiments disclosed herein This is solved to be not intended to limit, and equipment, system and method disclosed herein can be used for its elsewhere for needing to apply pressure difference Reason.Equipment, system and method disclosed herein can be used for needs using the equipment with adjustable flange to patient or work Make the treatment that surface applies differential pressure, the adjustable flange can adapt to different patient anatomy or different working surfaces.

Humalactor is generally used for collecting milk to allow mother to continue lactation when the child with them separates.At present, In the presence of two kinds of major type of humalactors：Hand operated activating device, its small volume, but efficiency are low and use laborious；And Electrical equipment, its efficiency high, but volume are big and heavy.Accordingly, it is desired to provide small volume and expeditiously absorption and collection The improved humalactor of milk.In addition, current and pumping system that is being proposed can only activate single humalactor, and therefore, Offer can activate simultaneously two humalactors pump would is that it is favourable.

Further, the breast that humalactor that is there is currently or being proposed can only provide limited fixed size connects Mouthful, this may cause user to have to buy and return multiple parts and tackle poor fit and poorly efficient suction.Humalactor User includes the colony with size and shape requirement on a large scale, and the size and shape requirement is during the use of humalactor It is also possible to the consequence due to persistently using pump or changes due to physical alterations of user's dissection in whole suckling process Become.Therefore, it would be desirable to humalactor is provided in size or the adjustable breast interface of vpg connection.It is at least some in these targets Target will be met by apparatus and method disclosed below.

2. background technology.Following United States Patent (USP) is related to the absorption of human milk and collection：U.S. Patent number：6,673,036、 6,749,582nd, 6,840,918,6,887,210,7,875,000,8,118,772 and 8,216,179.U.S. Patent Publication No. 2014/0121593 absorption and collection for being directed to milk.

The content of the invention

Present invention relates in general to Medical Devices, system and method, and it is more particularly related to draw and collects The equipment, system and method for human milk.

Disclosed herein is small and efficient device and application method for drawing and collecting milk.Use described herein Hydraulic system can be included in the device of extract milk, wherein fluid can be in the breast interface to or from the movement of breast interface Place applies pressure, and thereby from the breast extract milk for engaging.Described device can include peristaltic pump, and the peristaltic pump can Pipe of the ground coupled to the delivery fluid is removed, to make the fluid be moved to or from the breast interface, while keeping institute State and separated between peristaltic pump and the fluid coupling component of described device.

There is disclosed herein for providing adjustable breast interface to adapt to what a series of size and shapes of user were required Method and apparatus.The adjustable breast interface can include being arranged to engage the breast and it is sealed can Regulation flange, wherein can be in both aspect regulations of one or all in the internal diameter of frusto-conically shaped portion and tubular flange neck The adjustable flange.Alternatively or in combination, the adjustable breast interface can include adjustable extraction area, its size And/or shape can be adjusted by adjusting the volume of the absorption reservoir of the breast interface.For example, the absorption reservoir can be with Adjustable reservoir and actuatable assembly are fluidly coupled to, wherein the volume of the adjustable reservoir can be adjusted manually or automatically With adjust the absorption reservoir volume and thus adjust the size of the extraction area.

In a first aspect, a kind of equipment for drawing and collecting milk includes breast interface, the breast interface matched somebody with somebody Put for engaging breast and Fluid Sealing being carried out to it, the breast interface has to be installed in removable in its at least a portion Component.The equipment also includes：Pipe, its use fluid filling and with the breast interface fluid coupling；And peristaltic pump, its with The pipe coupling, wherein the actuating to the peristaltic pump makes the fluid in the first direction or along opposite to the first direction Second direction movement.The fluid makes the movable member edge in the breast interface along the movement of the first direction First direction movement, and thereby cause the breast interface at breast applying vacuum pressure with from its extract milk.Institute State fluid makes the movable member in the breast interface be moved along the second direction along the movement of the second direction, And thereby apply pressure in the breast interface.The peristaltic pump can removedly be coupled with the pipe.

The movable member of the breast interface can include flexible membrane, coupled to flexible membrane potted component can Crushed element or be arranged in response to the actuating to the peristaltic pump in the expansible film of movement one or more. The movable member can make the breast interface be back to atmospheric pressure along the movement of the second direction, so as to allow to be inhaled The milk for taking is discharged in the collection vessel coupled to the breast interface.The equipment can also include being fluidly coupled to institute The collection vessel of breast interface is stated, and the movable member can be applied along the movement of the second direction in breast interface Plus malleation, so as to the milk extrusion breast interface that will be drawn is entered into the collection vessel.

The equipment can also include being fluidly coupled to the collection vessel of the breast interface, and the breast interface can With including being arranged to engage the first breast interface of the first breast and being arranged to engage the second breast of the second breast Room interface.Actuating to the peristaltic pump can simultaneously cause the first breast interface from the first breast extract milk And cause the second breast interface that the milk drawn from second breast is collected into the collection vessel.

The pipe can include being arranged to engage the submissive area in center of the peristaltic pump.The pipe can also include peace It is located at and the submissive area's adjacent in the center and the less submissive area less submissive relative to the submissive area in the center.The center Submissive area can compress in response to the actuating to the peristaltic pump, and the less submissive area can be along the pipe to described Breast interface transmits pressure.

On the other hand, it is a kind of for including making breast interface engage and flow with breast from the method for breast extract milk Body sealing, actuating peristaltic pump and from breast extract milk.The peristaltic pump can with filled with fluid and be fluidly coupled to The pipe coupling of the breast interface so as to the actuating of the peristaltic pump can at breast applying vacuum pressure with from the breast Room extract milk.

Actuating peristaltic pump can include the actuating peristaltic pump so as to make the fluid in the first direction or along with it is described The opposite second direction movement of first direction.The fluid is set to be may cause in the breast interface along first direction movement Movable member moved away from breast, and thereby at breast applying vacuum pressure with from its extract milk.Make the fluid The movable member is may cause to along second direction movement to be moved towards breast, and thereby cause drawn milk to be arranged Go out to being fluidly coupled in the collection vessel of the breast interface.The fluid is set to make along the second direction movement described Breast interface is back to atmospheric pressure, so as to allow drawn milk to be discharged in the collection vessel.Alternatively or in combination, The fluid is set to apply malleation in breast interface along the second direction movement, so as to the milk extrusion institute that will be drawn Breast interface is stated to enter into the collection vessel.

The breast interface can include being arranged to the first breast interface of the first breast of engagement and be configured to use In the second breast interface for engaging the second breast.Actuating peristaltic pump can include simultaneously making the fluid away from the described first breast Room interface movement with from the first breast extract milk and make the fluid towards the second breast interface movement with will The milk drawn from second breast is collected into and is fluidly coupled in the collection vessel of the second breast interface.

On the other hand, it is a kind of for including being arranged to engagement breast and to breast from the equipment of breast extract milk Carry out the breast interface of the flange of Fluid Sealing and at which from the extraction area of breast extract milk.The breast interface is What can manually or automatically be adjusted carries out Fluid Sealing with the breast to multiple sizes or shape.

The flange can include one or more elastomeric material, and one or more elastomeric material is to be total to breast Shape and be suitable to carry out Fluid Sealing to the breast of the multiple size or shape.The flange can also include available filling The pouch of material filling, wherein packing material are adjusted to the addition or the packing material of the pouch from the removal of the pouch The size of the flange is saved.The packing material can include multiple bead-like elements, wherein to the pouch applying vacuum base The multiple bead-like element and the flange are locked into fixed configuration in sheet, so as to the mankind's breast to particular size or shape Room carries out Fluid Sealing.Alternatively or in combination, the packing material can include fluid.The breast interface can also include The fluid pump of the pouch is fluidly coupled to, the fluid pump is arranged to be added to the pouch or moved from the pouch Except the fluid.

The equipment can also include：Actuatable assembly, it is operably coupled to the breast interface；Draw storage Device, it is installed in the breast interface；And adjustable reservoir, it is fluidly coupled to the absorption reservoir and operationally Coupled to the actuatable assembly.The actuatable assembly can be arranged to pass fluid from the adjustable reservoir Deliver to the absorption reservoir or fluid is removed and the fluid is back to the adjustable reservoir from the absorption reservoir. The adjustable reservoir can include adjusting the mechanism of its volume, to adjust volume and thereby the regulation institute of the absorption reservoir State the size of extraction area carries out Fluid Sealing with the breast to particular size or shape.

The mechanism can be manually adjustable.Alternatively or in combination, the mechanism can be it is self-adjustable, With in response to the anti-of the Fluid Sealing degree indicated between the breast interface and breast from the actuatable assembly Present to adjust the volume of the adjustable reservoir.The feedback is when can be included in the volume for adjusting the adjustable reservoir by institute The electric current that actuatable assembly is produced is stated, wherein the increase of the electric current indicates the fluid between the breast interface and breast The increase of seal degree.The adjustable reservoir can be integrated with the actuatable assembly so that the adjustable reservoir Volume can be adjusted by changing the setting of the actuatable assembly.For example, the actuatable assembly can include Piston assembly, and the adjustable reservoir can include the reservoir of the piston assembly so that change the piston group The resting position of piece installing have adjusted the volume of the fluid in the adjustable reservoir.

On the other hand, it is a kind of for including providing a kind of setting for extract milk from the method for breast extract milk Standby, the equipment includes the adjustable breast interface with flange and extraction area.Methods described also includes making described can adjust Breast interface is engaged with breast, adjusts the size of the adjustable breast interface, the breast interface is carried out fluid to breast Sealing, and from breast extract milk.

Adjust the adjustable breast interface size can include to install in the flange pouch add fluid Or remove the fluid from the pouch.Alternatively or in combination, the size for adjusting the adjustable breast interface can be wrapped Multiple bead-like elements in the pouch for providing and installing in the flange are provided.Methods described can also include making the multiple pearl Element is molded as against human breast, to the pouch applying vacuum, and the flange is locked into specific size or shape Shape.

The breast interface can include the absorption reservoir with actuatable assembly and adjustable reservoir fluid coupling.Regulation The size of the adjustable breast interface can include the actuating actuatable assembly, so as to by fluid from the adjustable storage Device be delivered to the absorption reservoir or the fluid is removed from the absorption reservoir and make the fluid be back to it is described can Regulation reservoir.Methods described can also include the volume of the regulation adjustable reservoir to adjust the body for drawing reservoir Product, so as to adjust the size of the extraction area.Adjust the volume of the adjustable reservoir can include that regulation is described manually can Adjust the volume of reservoir.Alternatively or in combination, the volume for adjusting the adjustable reservoir can include in response to from described The feedback for indicating the Fluid Sealing degree between the breast interface and breast of actuatable assembly is described adjustable to adjust Save the volume of reservoir.The adjustable reservoir can be integrated with the actuatable assembly, and automatically adjust described adjustable Saving the volume of reservoir can include changing the setting of the actuatable assembly.For example, the actuatable assembly can include Piston assembly, and the adjustable reservoir can include the reservoir of the piston assembly, wherein can described in automatically adjusting Adjusting the volume of reservoir includes changing the resting position of the piston assembly.

These implementation methods and other embodiment are described in further detail in the following description related to accompanying drawing.

Quote and be incorporated to

All publications, patents and patent applications mentioned in this specification be incorporated by reference into this, degree Just as specifically and individually pointing out to be incorporated by reference into each single publication, patent or patent application.

Brief description of the drawings

It has been specifically explained in the appended claims novel feature of the invention.By reference to using this wherein The features as discussed above that the illustrated embodiment of inventive principle is illustrated by, it will to the features and advantages of the present invention It is better understood from；In the accompanying drawings：

Fig. 1 is the perspective view of the illustrative embodiments of pumping equipment.

Fig. 2 is the perspective view of the illustrative embodiments of pumping equipment.

Fig. 3 A are the sections of the illustrative embodiments of pumping equipment.

Fig. 3 B are the sections of the illustrative embodiments of pumping equipment.

Fig. 4 illustrates the illustrative embodiments of the actuatable assembly coupled to drive mechanism.

Fig. 5 A- Fig. 5 B illustrate the illustrative embodiments of the actuatable assembly coupled to pendant unit.

Fig. 6 is the sectional view of the illustrative embodiments of breast interface.

Fig. 7 is the sectional view of the another exemplary implementation method of breast interface.

Fig. 8 A are the sectional views of the illustrative embodiments of pile-up valve in an open position.

Fig. 8 B are the sectional views of the illustrative embodiments of pile-up valve in the closed position.

Fig. 9 A are the sectional views of the illustrative embodiments of the integrated sensor being located in breast interface.

Fig. 9 B are the sectional views of the another exemplary implementation method of the integrated sensor being located in breast interface.

Figure 10 illustrates the illustrative embodiments of pendant unit and mobile device.

Figure 11 illustrates the illustrative embodiments of pendant unit and mobile device communication.

Figure 12 is the sectional view of the illustrative embodiments of the breast interface with mechanical deformable member.

Figure 13 is the sectional view of the illustrative embodiments of the thermo-mechanical drive for mechanical deformable member.

Figure 14 is the chart of diagram suction performance of illustrative embodiments compared with business machine.

Figure 15 is the chart of diagram pumping efficiency of illustrative embodiments compared with business machine.

Figure 16 illustrates example pump.

Figure 17 illustrates the section of the pump in Figure 16.

Figure 18 illustrates the alternate embodiment of pumping system.

Figure 19 A are the sectional views of the illustrative embodiments of adjustable flange 1600.

Figure 19 B and Figure 19 C illustrate the illustrative embodiments of different size of adjustable flange.

Figure 20 A and Figure 20 B are the perspective views of the illustrative embodiments of the adjustable flange with sizing element.

Figure 21 A, Figure 21 B and Figure 21 B are the sectional views of the illustrative embodiments of the adjustable flange with sizing element.

Figure 22 A, Figure 22 B and Figure 22 C illustrate the illustrative embodiments of the adjustable flange including that can fill pouch.

Figure 22 D are the sectional views of the illustrative embodiments of the adjustable flange with the pouch filled with fluid.

Figure 22 E are the sections of the illustrative embodiments of the adjustable flange with the pouch filled with multiple bead-like elements Figure.

Figure 23 A and Figure 23 B illustrate the illustrative embodiments of the adjustable flange including that can fill pouch.

Figure 24 A and Figure 24 B illustrate the illustrative embodiments of the equipment for extract milk, and the equipment includes adjustable Extraction area.

Figure 25 illustrate the size for adjusting extraction area can automatic regulating system illustrative embodiments.

Specific embodiment

Let us now refer to the figures the specific embodiment of the apparatus and method disclosed in description.Do not have in the following detailed description Any content is intended to indicate that any specific components, feature or step are essential for the present invention.Those skilled in the art It will be understood that, various features or step can each other be substituted or combined.

The present invention will be described on drawing and collecting milk.However, it will be understood to those of skill in the art that this not Limitation is intended to, and apparatus and methods disclosed herein can be used for being related to the other application for creating and transmitting pressure difference, such as For processing sleep apnea, wound compression and/or other remote pressure demands, and for expecting that offer can be to various Anatomical shape and size or any other different operating surface carry out the situation of the adjustable flange of Fluid Sealing.

Fig. 1 illustrates the illustrative embodiments of humalactor.Pumping equipment 100 include breast interface 105, pipe 110 and The controller or pendant unit (pendant unit) 115 of breast interface 105 is operably coupled to by pipe 110.Breast Interface 105 is included for engaging breast and for the elastic of its creation Fluid Sealing and can conformal flange 120 and collection vessel 125.The equipment alternatively can only have single breast interface.Pendant unit 115 accommodate for pumping equipment 100 power supply and Drive mechanism, and also comprising the hardware for various functions, the function is such as control and suck equipment 100, milk production amount Change and content analysis and communicated with other equipment.Pipe 110 is transmitted through long-distance from pendant unit 115 to breast interface 105 Suitable energy input, such as mechanical energy input.Be converted into energy input to breast in an efficient manner by breast interface 105 Vacuum pressure, so as to cause milk to the absorption in collection vessel 125.

It will be understood to those of skill in the art that the component and feature of the illustrative embodiments can with as mentioned below The component and feature of any implementation method of the invention are combined or substitute.Similarly, other embodiment disclosed herein Component and feature can each other substitute or combine.

Hydraulic pressure pumping equipment

Hydraulic system can reduce suction force requirement, and therefore also reduce the size of pumping equipment, while keeping height to take out Inhale efficiency.In a preferred embodiment, pumping equipment can generate pressure difference using hydraulic pressure pumping equipment to breast, to draw With collection milk.

Exemplary hydraulic pumping equipment is depicted in Fig. 2 and Fig. 3.Fig. 2 illustrates pumping equipment 150, and it has by pipe 165 syringes 155 for being fluidly coupled to breast interface 160.Syringe 155 is coupled to pipe 165 by triple valve 170.Breast connects Mouth 160 includes outlet port 175.Syringe 155 drives the fluid 180 that is contained in pipe 165 of bag pressure difference against or away from being contained in Expandable members in breast interface 160 are creating from pressure difference necessary to breast extract milk.

Fig. 3 A illustrate another implementation method of pumping equipment 200.Actuatable assembly 205 include assembly shell 210, Driving element 215, radial seal 220 and axostylus axostyle 222.Driving element 215 is operably coupled to pendant list by axostylus axostyle 222 Unit, such as pendant unit 115.Pipe 225 is comprising fluid 230 and is fluidly coupled to actuatable assembly 205 and breast interface 235.Breast interface 235 includes interface shells 240, flexible membrane 245, reservoir 250, potted component 255, extraction area 260 and row Exit port 265.Potted component 255 includes deformable segment 270.Discharge port 265 is coupled to collection vessel 275 and including list To valve 280, check valve 280 can be clack valve, duckbill valve or ball valve.

The fluid 230 that actuatable assembly 205 is included in pipe 225 is arranged, and pipe 225 can be flexible pipe line.Fluid 230 occupy the reservoir 250 in breast interface 235, and are coupled with flexible membrane 245.Flexible membrane 245 is from fluid 230 to sealing unit The transmission vacuum pressure of deformable segment 270 of part 255.Flexible membrane 245 and deformable segment 270 are moveable, to cause Toward and away from breast movement during dynamic actuatable element 215.In breast is joined to breast interface 235 and by potted component 255 with breast 235 Fluid Sealing of interface when, actuatable element 215 is displaced through flexible membrane away from breast in an outward direction 245 and deformable segment 270 significantly vacuum pressure is produced to breast, so as to cause milk to the absorption in extraction area 260.Inhale The milk for taking is discharged in collection vessel 275 by discharge port 265.Discharge port 265 is configured with check valve 280, to provide Milk passage and keep the vacuum pressure in extraction area 260 simultaneously.

Fig. 3 B illustrate the another exemplary implementation method of pumping equipment 200a.Actuatable assembly 205 includes assembly Shell 210, driving element 215, radial seal 220 and axostylus axostyle 222.Driving element 215 is operatively coupled by axostylus axostyle 222 To pendant unit, such as pendant unit 115.Pipe 225 is comprising fluid 230 and is fluidly coupled to actuatable assembly 205 and breast Room interface 235a.Breast interface 235a includes flange 236, interface shells 240, expansible film 245a, absorption reservoir 250, absorption Region 260 and discharge port 265.Flange 236 includes frusto-conically shaped portion 237 and tubular flange neck 238.The flange neck leads to Cross suction mouth 261 and be connected to extraction area.Discharge port 265 is coupled to collection vessel 275 and including check valve 280.

The fluid 230 that actuatable assembly 205 is included in pipe 225 is arranged, and pipe 225 can be flexible pipe line.Fluid 230 occupy the absorption reservoir 250 in breast interface 235a, and are coupled with expansible film 245a.Expansible film 245a is removable Dynamic, to be moved toward and away from breast in the actuatable element 215 of actuating.In breast is joined to breast interface 235a simultaneously And during by flange 236 with breast interface 235a Fluid Sealings, element 215 may be actuated in an outward direction away from the position of breast The excessively expansible film 245a of Mobile Communication produces significantly vacuum pressure to breast, so as to cause milk to the absorption in extraction area 260.Inhale The milk for taking is discharged in collection vessel 275 by discharge port 265.Discharge port 265 is configured with check valve 280, to provide Milk passage and keep the vacuum pressure in extraction area 260 simultaneously.

Fluid for hydraulic pressure pumping equipment can be any suitable fluid, such as incompressible fluid.In many realities Apply in mode, incompressible fluid can be water or oil.Or, the fluid can be any suitable gas, such as air.With In the suitable incompressible fluid and gas of hydraulic system be well known by persons skilled in the art.

It will be understood to those of skill in the art that the component and feature of any illustrative embodiments of hydraulic pressure pumping equipment can It is combined or substitutes with the component and feature with any implementation method as of the invention described herein.

Peristaltic pump

In previous hydraulic pump implementation method, the hydraulic fluid in aspirating mechanism is often transfer line and also has breast Identical fluid used in room interface.Maybe advantageously these fluids are made to separate to prevent pollution, therefore system is each Individual component can be more easily separated from one another, and also avoids having to utilize a fluid to charge pump or other groups before the use Part.Solve these challenge in some challenge pumping equipments alternate embodiment moved using peristaltic pump device go to or Fluid from breast interface equipment.

Figure 16 illustrates the illustrative embodiments of the peristaltic pump system 1602 for extract milk.System 1602 is preferably Including two breast interfaces 1612, transfer line or pipeline 1608 and peristaltic pump 1604.Breast interface 1612 can be herein Any implementation method disclosed or known in the art.Transfer line or pipeline 1608 are coupled to all two breast interfaces. It is preferred that incompressible fluid 1610 is installed in pipeline 1608.The implementation method illustrates two breast interfaces 1612, however, It will be understood to those of skill in the art that single breast interface or multiple breast interfaces can be used.Peristaltic pump includes engagement pipeline 1608 one or more roller bearings 1614.When roller bearing is moved along the first direction, fluid 1610 is in the first direction towards two breasts One in room interface and moved away from remaining breast interface.This causes the actuating to the flexible membrane in breast interface.One Individual film is outwards shifted, so as to create vacuum and the absorption for allowing to milk in breast interface.Another film is inwardly displaced, from And pressure is back to normal pressure, such as atmospheric pressure in breast interface, or malleation can be applied in breast interface.When When there is normal atmosphere (An) in breast interface, the milk of absorption then can be as previously described collected.Or when malleation is applied, The milk of absorption extrusion breast interface can be entered into collection vessel.Using with two the one of the peristaltic pump of breast interface Individual advantage is, when side is just in extract milk, opposite side collects in a reservoir milk.Pump 1604 can include this Shen Please in it is any in other display features described everywhere or communication feature 1606.

Figure 17 illustrates the partial cross section of the peristaltic pump in Figure 16.It is outer with pump 1604 that pipeline 1608 is positioned at roller bearing 1614 In tight passageways between wheel rim 1710.When driving wheel 1708 rotates, the compression pipe 1608 of roller bearing 1614, so that along rotation side To arranging fluid 1610.Therefore, in the embodiment in fig. 17, driving wheel 1708 is rotated in a clockwise direction, and therefore flows Body 1610 will to the right be arranged from the left side of pipeline, and will form malleation in breast interface 1612a, and expansible Film 1706 will be able to be pushed out towards breast.Fluid 1608 will be moved away from breast interface 1612b, so as to create Vacuum, and film 1704 will move inward towards the back of breast interface.Negative pressure will then allow the absorption to milk.Drive Driving wheel 1708 can be complete circle wheel as indicated by the dashed lines, or it can be part circle.One or more roller bearings 1614 It is coupled to the wheel.

Figure 18 illustrates the another exemplary implementation method of peristaltic pump 1604, and wherein pipeline is untied from roller bearing 1614.Pump This implementation method of system 1802 is substantially identical with the prior embodiments in Figure 16-Figure 17, and wherein Main Differences are pipes Road 1610 has different submissive areas.Pipeline 1610 can have be designed to and the submissive area in the center that roller bearing 1614 is engaged 1806 and the harder less submissive area 1804 on the either side in submissive area 1806.Submissive area 1804 allows pipeline to be pressed Contract and be easily inserted into and engaged with roller bearing 1614.In addition, when roller bearing rolling in submissive area, pipeline is conformal with roller bearing And this facilitate transmission of the fluid 1610 along pipeline.Other parts 1804 are more rigid, to transmit pressure along pipeline.

Actuating mechanism

Many actuating mechanisms well known by persons skilled in the art can be used for actuatable assembly 205.Actuatable assembly 205 can be the pumps such as piston assembly, membrane pump, or any other suitable actuating mechanism.Actuatable assembly 205 Best configuration be likely to be dependent on a number of factors, such as：Vacuum requirement；The size of pumping equipment 200, power and other demands； And the property of fluid 230, such as viscosity, biocompatibility and fluid life requirement.

Fig. 3 A and Fig. 3 B illustrate illustrative embodiments, wherein actuatable assembly 205 is piston assembly and drives Element 215 is piston.Actuatable assembly 205 includes the radial seal 220 sealed to assembly shell 210, such as O Shape ring, with the driving for preventing the undesirable excessive of fluid 230 and can realize to fluid 230.

Fig. 4 illustrates the another exemplary implementation method of the actuatable assembly 300 including a pair of pistons 305.

In a preferred embodiment, assembly may be actuated to be included (such as occuping pendant unit 15 by suitable drive mechanism In drive mechanism) driving element that is driven.What many drive mechanisms were known to those skilled in the art.For example, driving Dynamic element (such as driving element 215) can electromechanically be activated by motor, or be operated by the suitable user such as lever Interface and manually activate.Various drive patterns well known by persons skilled in the art can be used.Especially, as described herein The implementation of exemplary hydraulic pumping equipment due to hydraulic system power requirement reduce and support using such as direct drive and The suitable drive pattern such as solenoid.

With reference now to the illustrative embodiments of Fig. 4, piston 305 includes the male part 310 coupled to bent axle 315.Bent axle 315 are operably coupled to motor 320 by belt drive unit 325.Bent axle 315 drives this by the timing of identical stroke To piston 305, so as to all two breast applying vacuum pressure simultaneously, this is a desired spy for increasing milk production Levy.Or, bent axle 315 can drive this pair of piston 305 by any suitable stroke timing, such as by the row for replacing or offset Cheng Xunhuan.

Drive mechanism can be powered by any suitable power supply, such as be powered by local battery or AC adapters.Drive Mechanism can be controlled by hardware, such as be controlled by the onboard electronic device in pendant unit 115.

Fig. 5 A- Fig. 5 B illustrate the illustrative embodiments of the actuatable assembly 350 including releasable male part 355. Fig. 5 A are the perspective views of the implementation method, and Fig. 5 B are the sectional views of the implementation method.Preferably, assembly 350 may be actuated can Release ground is coupled to pendant unit 360 and the drive mechanism being accommodated therein.The male part can be mechanical couplings part or sheet Any suitable Quick-disassembling mechanism known to art personnel.Releasable Coupling Design allows the configuration of pumping equipment and using upper Flexibility.For example, user can be improved with mutually compatible with various udder sizes by using different size of breast interface Comfort level.In addition, this feature causes that public pumping equipment can be used in interchangeable breast interface, so as to reduce propagation cause of disease The risk of body.Additionally, releasable male part supports the simple replacing to the single part of pumping equipment.

It will be understood to those of skill in the art that the component and feature of any illustrative embodiments of actuating mechanism can be with The component and feature of any implementation method are combined or substitute as of the invention described herein.

Expansible film

In many embodiments, in the implementation method such as described in figure 3b, expansible film 245a connects positioned at breast Mouth 235a is interior and is installed on its at least a portion, so as to form suction between interface shells 240 and expansible film 245a Take reservoir 250.Preferably, expansible film 245a is included in the elastomeric material that significantly deforms during by negative pressure or by negative pressure The relatively rigid material of shift, the negative pressure is to arrange when institute from reservoir 250 is drawn by actuatable assembly 205 in fluid 230 Create.Expansible film is back to without offset position when negative pressure disappears.The deflection of expansible film 245a can be by many Factor (for example, wall thickness, hardness, surface area) is controlled, and can be based on pumping equipment (for example, pumping power, vacuum will Ask) and optimize.

Fig. 6 is illustrated with the exemplary expansible film 370 for specifying wall thickness and hardness.

Fig. 7 illustrates another embodiment party of the expansible film 375 with the corrugated feature 380 for increasing surface area Formula.It is being filed in (the attorney 44936- of U.S. Provisional Patent Application No. 62/021,597 on July 7th, 2014 706.101) other for disclosing the expansible film that can be used in any implementation method of humalactor described herein in are matched somebody with somebody Put；The full content of above-mentioned document is incorporated by reference into this.

It is known to those skilled in the art for the suitable material of expansible film.In many embodiments, may be used Film spreading can be made up of the material for being designed to expansion and contraction when by pressure from coupled fluid, the material It is the polychlorobutadienes such as polyether block amide and neoprene such as silicone, PEBAX.Or, expansible film Can be by being substantially that rigid material is processed, the material is such as stainless steel, Nitinol, high durometer polymeric or height Durometer elastomer.In these embodiments, rigid material will be designed to possess stress and/or Strain Distribution element so that support can Significantly deforming for film spreading and be no more than the yield point of material.

Fig. 8 A and Fig. 8 B illustrate the preferred embodiment of breast interface 400, and wherein outlet valve 405 is integrated into expansible film The flowing of outlet port 415 is passed through in 410 with the milk for controlling absorption.As shown in Figure 8 A, when expansible film 410 relaxes Mouthful valve 405 is opened to allow flow of fluid, and as seen in fig. 8b, when expansible film 410 deforms outlet valve 405 close with Prevent flow of fluid.Outlet valve 405 caused can there is significantly vacuum pressure during extracting in extraction area 420, while Milk is allowed to be discharged during remaining stage of intake stroke.Although many conventional milk pump valves individually play a role to pressure difference, But the mechanical movement that outlet valve 405 can be preferably configured for also to expansible film 410 plays a role.As described herein Integrated outlet valve 405 can improve the sealing during vacuum is created to breast interface 400 with the integration of mechanical function.Additionally, The implementation of the outlet valve (such as outlet valve 405) being integrally formed in expansible film 410 reduces the part for needing cleaning Number.

It will be apparent to those skilled in the art that the component and feature of any illustrative embodiments of expansible film can be with The component and feature of any implementation method are combined or substitute as of the invention described herein.

Milk is collected and quantization system

With reference to Fig. 3 B, the milk of absorption is discharged to collection vessel 275 through the outlet port 265 in expansible film 245a In.Collection vessel 275 can be any suitable container, such as bottle or bag.In many embodiments, collection vessel 275 can Remove ground and be coupled to expansible film 245a.Collection vessel 275 can be with direct-coupling or any suitable via extension pipeline etc. Device and remote couplings.

In many cases, it may be desirable to follow the trail of with milk absorption and the related various data of collection, such as milk production or The chemical content and nutrient content of person institute galactopoiesis juice.At present, milk production is followed the trail of typically by manual measurement and keeps a record to come in fact Existing.The illustrative embodiments of equipment described herein can provide the means based on numeral come automatic measurement and follow the trail of product Breast amount is improving convenience, efficiency and accuracy.

Fig. 9 A and Fig. 9 B illustrate the exemplary implementation of the breast interface 450 with one or more integrated sensors 455 Mode.Sensor 455 is preferably located in clack valve 460, it is also possible to be located in outlet valve 465, or positioned at any other conjunction Suitable position is to monitor flow of fluid.In a preferred embodiment, at least one sensor 455 is integrated into by flow of fluid In the valve of opening, and detect the duration that valve is opened.Can be with inquiry sensor signal quantifying flow of fluid.Suitable sensor It is known to those skilled in the art, such as accelerometer, hall effect sensor and photodiode/LED sensings Device.Breast interface can include single-sensor or multiple sensors to quantify milk production.

Figure 10 illustrates the illustrative embodiments of pendant unit 500, wherein shows that milk draws number on display screen 505 According to.In many embodiments, the data related to milk absorption are collected, process, store and shown to pendant unit 500.It is preferred that Ground, pendant unit 500 can be to the second equipment transmission data of grade of mobile phone 510.

Figure 11 illustrates the data transfer 515 between pendant unit 500 and mobile phone 510.For logical between equipment What the suitable method of letter and data transfer was known to those skilled in the art, such as bluetooth or near-field communication.

In the exemplary embodiment, pendant unit 500 to communicate with mobile phone 510 and draw data to transmit milk, all Such as volume aspirated, duration and date.Mobile phone 510 include Mobile solution, for collect and collect draw data and with Interactive form shows the data.Preferably, Mobile solution includes allowing user's overlapped information (such as life style selection, diet And for increasing the strategy of milk production) supplementary features, to promote the contrast of such information and milk production statistics.It is mobile Using can also include allow the pump such as user's control pump power and pump state (for example, relaxed mode and stimulus modality) it is each The spy of the size of aspect, regulation suction pressure and speed and regulation breast interface 235a or described herein other breast interfaces Levy, wherein breast interface is self-adjustable.The application can also have the resource for lactation mothers, such as advise Or the connection of suggestion, contemporary such as compare at society's aspect and the accessory shop for obtaining the accessory of pump.In addition, pendant Unit 500 can send the information on pump use time to mobile phone 510 so that Mobile solution can identify when occur Aspirate and set in desired suction time and remind.Such prompting can help prevent to miss the suction phase, and thereby reduce The incidence of the related complications such as mastitis.

It will be understood to those of skill in the art that milk collect and quantization system any illustrative embodiments component and Feature can be combined or substitute with the component and feature of any implementation method as of the invention described herein.

Mechanical pumping equipment

Figure 12 illustrates the alternate embodiment of breast interface 600, wherein the mechanical generation of deformable member 605 can be used For flexible membrane 245 or expansible film 245a.Mechanical deformable member 605 for flexible membrane or be able to can be expanded by with as herein described The technical construction that the technology of film is similar is formed.Mechanical deformable member 605 is coupled to stretching element 610.In some cases, Stretching element 610 is installed in axial load absorption component 615.Axial load absorption component 615 is installed in pipe 620.It is preferred that Ground, stretching element 610 is installed in axial load absorption component 615 with one heart, and axial load absorption component 615 is with one heart It is installed in pipe 620.The alternative arrangement of stretching element 610, axial load absorption component 615 and pipe 620 can also be used.

Figure 13 illustrates the drawing of the driving element 625 coupled to the actuatable assembly 630 in assembly shell 635 Stretch element 610.Driving element 625 is operably coupled to drive mechanism by axostylus axostyle 640, is such as contained in pendant unit Drive mechanism.Axial load absorption component 615 in pipe 620 is fixedly coupled to assembly shell 635.Driving element 625 stretching element 610 that is displaced through transmits tensile force to mechanically deform component 605, and vacuum pressure is created with to breast.

Stretching element 610 can be any suitable device, such as silk thread, coil or rope, and can be by any suitable Material be made, be such as made up of metal, polymer or elastomer.Axial load absorption component 615 can be by any suitable Axial hard material is made, and is such as made up of metal or polymer, and can be configured to any suitable axially hardness geometry Shape, such as pipe or coil.

It will be understood to those of skill in the art that the component and feature of any illustrative embodiments of mechanical pumping equipment can It is combined or substitutes with the component and feature with any implementation method as of the invention described herein.

Adjustable breast interface

With reference to the illustrative embodiments of Fig. 3 B, breast interface 235a or described herein any other implementation method exists Size or vpg connection can be it is adjustable, with the human breast to multiple sizes or shape carry out Fluid Sealing and and its Efficiently perform together.In some embodiments, flange 236 can be in frusto-conically shaped portion 237 and tubular flange neck 238 Internal diameter in one or all both aspects be adjustable, to adjust the size or shape of breast interface.In some realities Apply in mode, extraction area 260 can be adjustable in size or vpg connection, be included in the size aspect of suction mouth 261 It is adjustable, to adjust the size or shape of breast interface and to improve milk extraction efficiency.And other embodiment can With the combination including adjustable flange and adjustable extraction area.

Figure 19 A are the sectional views of the illustrative embodiments of adjustable flange 1900.Flange includes the taper of engagement breast The absorption of breast interface 1910 is transitioned on part or frusto-conically shaped portion 1905 and opposite end by suction mouth 1921 Tubular flange neck 1915 in region 1920.Flange has outer surface 1925 and inner surface 1930, wherein outer surface 1925 with Wall 1935 is defined between inner surface 1930.The physical property and construction of wall 1935 can change in various embodiments, So as to allow the thickness for adjusting wall to coordinate the particular size or shape of breast to adjust the size of flange 1910.Flange 1910 Size can be configured to be fixed or adjustable that and the flange of various fixed sizes or adjusted size can be with It is that can be dismantled from breast interface 1910 or be integrated with breast interface 1910.The thickness of wall 1935 is in different implementation methods In can change.

Figure 19 B and Figure 19 C illustrate the illustrative embodiments of different size of adjustable flange 1901 and 1902.And scheme Flange 1900 in 19A is with the wall 1935 that thickness is the internal diameter about 30mm for causing flange neck 1915, the flange in Figure 19 B 1901 have the wall 1936 thicker than wall 1935 so that the internal diameter of flange neck 1906 is about 27mm.Flange 1907 in Figure 19 C has There is wall 1937 also thicker than wall 1936 so that the internal diameter of flange neck 1907 is about 24mm.It will be understood to those of skill in the art that These sizes are nonrestrictive, and any size is all possible to.

Figure 20 A and Figure 20 B are the perspectives of the illustrative embodiments of the adjustable flange 2000 with sizing element 2005 Figure.Sizing element 2005 can be the ring or part ring for closing completely, and it is around the bonding land being installed on flange neck 2015 2010, so that the internal diameter of flange neck is decreased or increased.Sizing element 2005 can by some mechanisms well known in the art it One and be releasably coupled to bonding land 2010, the mechanism is such as to slip into cooperation, press-in cooperation or magnetic engagement mechanism.It is fixed Footpath element 2005 can be provided with all size, and its all can in an identical manner be releasably coupled to bonding land 2010. Sizing element 2005 repeatedly can discharge coupled to bonding land 2010 and from bonding land 2010, to use milk in user It is adjustable in terms of size that flange 2000 is allowed during the entire process of suction device.Figure 20 A are shown coupled to flange 2000 sizing element 2005, and Figure 20 B show the sizing element 2005 from the release of flange 2000.

Figure 21 A, Figure 21 B and Figure 21 C are cutting for the illustrative embodiments of the adjustable flange 2100 with sizing element Face figure.Sizing element 2105 and 2106 can be releasably coupled to bonding land 2110, and bonding land 2110 may be embodied in coupling The compliant material reversibly deformed during sizing element 2105 or 2106.The deformation of bonding land 2110 can cause flange neck 2115 Narrow to adjust the size of flange 2100, so as to the human breast to particular size or shape carries out Fluid Sealing.To coupling The release of sizing element 2105 or 2106 can reverse the deformation of bonding land 2110, so as to cause flange neck 2115 to broaden. Figure 21 A show the adjustable flange 2100 of the sizing element without coupling, and it has the flange neck of internal diameter about 30mm 2115.Figure 21 B show the flange 2100 with the sizing element 2105 coupled to bonding land 2110, so as to cause flange neck 2115 narrow so that the internal diameter of flange neck is decreased to about 27mm.Figure 21 C are shown with the sizing unit coupled to bonding land 2110 The flange 2100 of part 2106, so as to cause flange neck 2115 to be further narrow as so that the internal diameter of flange neck is decreased to about 24mm. Sizing element can be other fixtures such as ring, split ring or all those fixtures as previously described herein.

Figure 22 A, Figure 22 B and Figure 22 C illustrate the exemplary reality of the adjustable flange 2200 including that can fill pouch 2205 Apply mode.Pouch 2205 can be installed between the inner surface 2206 of flange 2200 and outer surface 2207, or pouch can be Discrete reservoir on the inner surface of flange or outer surface.Pouch 2205 includes the material for preventing any packing material leakage.With filling out Filling filling of the material to pouch 2205 makes the inner surface of flange 2200 be shifted towards breast, is carried out with the surface preferably to breast Sealing, and also flange neck 2210 is narrowed.Filling to pouch 2205 can be reversible so that packing material is from being filled The removal of pouch 2205 cause flange neck 2210 to broaden.Preferably, pouch 2205 can repeatedly be filled or emptied, so as to User is adjustable in terms of size using flange 2200 is allowed during the entire process of milk suction device.Either fill Or empty, pouch 2205 forms Fluid Sealing all without obstruction flange 2200 to breast.

Can by various means close to pouch 2205 to be filled with packing material, this depends on packing material Physical property and chemical property.As shown in Figure 22 B, pouch 2205 can include the flexibility that can be pierced without being permanently deformed Material 2215, such as butyl rubber or other elastomers, added by the sharp device of the grade of pin 2220 so as to allowing or Remove packing material.Or, as shown in Figure 22 C, pouch 2205 can include the entrance being installed on the surface of pouch 2205 Port 2225, it is all if the lid 2230 for mechanically opening or closing, can be added or be removed and filled out by entry port 2225 Fill material.

Figure 22 D are the illustrative embodiments of the adjustable flange 2250 with the pouch 2255 filled with fluid 2260 Sectional view.Filling with fluid 2260 to pouch 2255 makes the inner surface 1956 of flange 2250 be shifted towards breast, with preferably Sealed and also made flange neck 2210 to narrow to the surface of breast.Fluid 2260 can include any suitable material, all Such as salting liquid or including other fluids including gas.Add fluid 2260 or removed from pouch 2255 to pouch 2255 and flow Body 2260 can adjust the size of flange 2250 with fit specific sized or the human breast of shape.

Figure 22 E are the exemplary realities of the adjustable flange 2280 with the pouch 2285 filled with multiple bead-like elements 2290 Apply the sectional view of mode.Multiple bead-like elements 2290 can include any suitable material, such as polystyrene bead or titanium dioxide Nano silicon particles.Pouch 2285 can be filled with multiple bead-like elements 2290, then be molded as the breast against user. Once the pouch 2285 with bead-like element 2290 is installed into against breast and is molded into around it, to the capsule being filled Multiple bead-like elements 2290 can be just locked into fixed configuration by 2285 applying vacuums of bag, so as to particular size or shape Human breast carries out Fluid Sealing.This concept is it is known in the art that and sometimes referred to as expanding.

The another exemplary that Figure 23 A and Figure 23 B illustrate the adjustable flange 2300 including that can fill pouch 2305 is implemented Mode.Pouch 2305 is fluidly coupled to air pump 2310 and air bleeding valve 2315.Air pump includes the vault 2320 with pile-up valve, So that the valve is opened when vault is compressed and closed when vault is expanded.Air pump also includes making vault 2320 and pouch 2305 The inlet valve 2325 of fluid coupling.When vault 2320 is depressed, air flow to pouch by inlet valve 2325 from vault In 2305.Inlet valve 2325 is the check-valves for allowing air only to flow to pouch from vault in one direction, such as duckbill valve.With Valve 2325 is separated or integrated auxiliary safety valve can be arranged to discharge the excess pressure in pouch 2305.Air bleeding valve 2315 Acquiescence is for example configured to by means of spring mechanism in the closed position.When being depressed, air bleeding valve is opened, so as to allow sky Gas is flowed out by the air bleeding valve from pouch 2305.Figure 23 A show the pouch 2305 in empty configuration, and Figure 23 B show and fill out Pouch filled with air, thus the inner surface 2330 of flange is shifted towards breast and flange neck 2335 narrows.To pouch 2305 Addition air can adjust the size of flange 2300 with fit specific sized or the people of shape from the removal air of pouch 2305 Class breast.

Figure 24 A and Figure 24 B illustrate the illustrative embodiments of the equipment 2400 for extract milk, and equipment 2400 includes Adjustable extraction area 2402.The equipment also includes the adjustable reservoir 2405 being in fluid communication with actuatable assembly 2410, can Actuating assembly 2410 is operably coupled to breast interface 2420 by pipe 2415.The breast interface includes expansible film

2425 are fluidly coupled to adjustable reservoir 2405 and may be actuated with absorption reservoir 2440, absorption reservoir 2440 by pipe 2415 Assembly 2410.

From adjustable reservoir 2405 be delivered to fluid 2345 by pipe 2415 to draw by the actuating of actuatable assembly 2410 Reservoir 2440, and fluid 2435 is back to adjustable reservoir by pipe from reservoir is drawn.Draw the fluid volume in reservoir Change cause expansible film 2425 to be expanded or collapse, so as to adjust the size of extraction area 2402.Adjustable storage can be adjusted The volume of the fluid 2435 in device, the volume of the fluid in reservoir is drawn to adjust.The volume of the fluid in reservoir is drawn During reduction, expansible film 2425 is expanded and mobile closer to interface shells 2421, so as to increase extraction area 2402 Size.Figure 24 A show such equipment：Thus can adjust fluid of the reservoir 2405 comprising small size and draw reservoir 2440 and wrap Containing corresponding large volume of fluid so as to cause less extraction area 2402.Figure 24 B show such equipment：Thus may be used Regulation reservoir 2405 comprising large volume fluid and draw fluid of the reservoir 2440 comprising corresponding smaller size smaller so as to cause compared with Big extraction area 2402.The size for adjusting extraction area 2402 can adjust the size of breast interface 2420 with to particular size Or the human breast of shape carries out Fluid Sealing.

The volume of the fluid in adjustable reservoir 2405 can manually be adjusted by various means.For example, adjustable reservoir 2405 can include threaded walls 2406 and the connector 2407 that can be threadedly engaged so that rotate the connector increased or decreased it is adjustable The volume of the fluid in section reservoir.

The volume of the fluid in adjustable reservoir 2405 can also be automatically adjusted, and thus equipment 2400 includes closed-loop system, The closed-loop system can sense the engagement of breast interface and breast and correspondingly adjust the fluid volume in adjustable reservoir with Adjust the size of extraction area 2402.Figure 25 illustrate the size for adjusting extraction area can automatic regulating system example Property implementation method.Mobile phone 2500 can be communicated with the pendant unit 2501 of control milk suction device.Equipment can be with Run on some different states, such as aspiration phases 2502 and adjustment state 2503.Phone can make pendant unit be placed in tune In nodular state, the adjustment state drives to be installed in the motor 2505 in actuatable assembly, so as in adjusting and drawing reservoir 2510 Fluid volume.Adjustable reservoir 2515 can be integrated with actuatable assembly and in flow communication so that draws storage The volume of the fluid in device can be adjusted by changing the setting of actuatable assembly.For example, actuatable assembly can be wrapped Include and draw the piston assembly that reservoir is in fluid communication, and piston may be disposed at default static position to cause to inhale It is preset vol to take the fluid in reservoir.Changing the resting position of piston can correspondingly increase or decrease the stream drawn in reservoir The volume of body.Compared with single adjustable reservoir, the adjustable reservoir being integrated with actual assembly by this way can With the part count in reduction system and simplified regulation operation.Motor can steadily increase the body for drawing the fluid in reservoir Product, feeds back so as to provide motor current to pendant unit.Motor current feedback can be used for by sensing motor current response in being Bigger resistance in system and time point for beginning to ramp up determine when breast interface has carried out Fluid Sealing to breast.When hanging When pendant unit receives the feedback that breast interface has been sealed to breast, it can terminate adjustment state.Preferably, can be with The volume of the fluid in adjustable reservoir is reset to initial default value by office when putting so that user can when necessary again Adjust the size of extraction area.

It will be understood to those of skill in the art that the component and feature of any illustrative embodiments of adjustable breast interface Can be combined or substitute with the component and feature of any implementation method as of the invention described herein.

Experimental data

Figure 14 and Figure 15 illustrate the experiment obtained from commercial humalactor equipment and illustrative embodiments of the invention and take out Inhale data.Illustrative embodiments make use of incompressible fluid to be aspirated, and the maximum hydraulic pressure fluid body with 4cc Product, and business machine make use of air to be aspirated, and the maximum volume with 114cc.

Figure 14 illustrates the chart of the suction performance that the vacuum pressure generated by each run is quantified.For exemplary reality Mode is applied, the fluid volume for 1cc, 2cc, 3cc and the 4cc arranged by pump has carried out pressure measxurement, wherein operation number correspondence In the volume in units of cc.For business machine, respectively pump be set to represent the 46cc that pump arranged, 57cc, 68cc, The feelings of one of 80cc, 91cc, 103cc and 114cc fluid volume, seven equal increments positions along vacuum conditions gauge Measured under condition, wherein operation number corresponds to positional number.Curve 700 is corresponding to the illustrative embodiments, and curve 705 Corresponding to business machine.Compared to business machine, the illustrative embodiments generate higher levels of vacuum pressure per discharge capacity, its In their max vacuum pressure be respectively -240.5mmHg and -177.9mmHg.

The chart of the pumping efficiency that Figure 15 illustrates by the max vacuum pressure of the maximum fluid volume for often arranging to weigh, Its center pillar 710 corresponds to the illustrative embodiments, and post 715 corresponds to business machine.Compared to business machine, exemplary reality The mode of applying shows pumping efficiency and improves 42 times, and wherein their efficiency is respectively -71.1mmHg/cc and -1.7mmHg/cc.

Although the preferred embodiment of the present invention has been illustrated and described herein, it is aobvious for those skilled in the art and It is clear to, such implementation method is simply provided in an illustrative manner.Those skilled in the art now will be without departing from this Many changes, change are expected in the case of invention and is substituted.It should be appreciated that put into practice it is of the invention during can use to this The various alternative solutions of the embodiment of the present invention described by text.Following claims be intended to limit the scope of the present invention, and because This covers method and structure and its equivalent item in these rights.

Claims (32)

1. a kind of equipment for drawing and collecting milk, the equipment includes：

Breast interface, it is arranged to engagement breast and Fluid Sealing is carried out to it, and the breast interface has to be installed in it Movable member at least a portion；

Pipe, its use fluid filling and with the breast interface fluid coupling；And

Peristaltic pump, it is coupled with the pipe, wherein the actuating of the peristaltic pump is made the fluid move along the first direction or Moved along second direction opposite to the first direction, and

Wherein described fluid makes the movable member in the breast interface along described along the movement of the first direction One direction is moved, and thereby cause the breast interface at breast applying vacuum pressure with from breast extract milk, and

Wherein described fluid makes the movable member in the breast interface along described along the movement of the second direction Two directions are moved, and thereby apply pressure in the breast interface.

2. equipment as claimed in claim 1, wherein the peristaltic pump is removedly coupled with the pipe.

3. such as equipment in any one of the preceding claims wherein, wherein the movable member of the breast interface is including soft Property film, coupled to flexible membrane potted component deformable segment or be arranged to actuating in response to the peristaltic pump and One or more in mobile expansible film.

4. such as equipment in any one of the preceding claims wherein, wherein movement of the movable member along the second direction The breast interface is set to be back to atmospheric pressure, so as to allow drawn milk to be discharged to the collection coupled to the breast interface In vessel.

5. such as equipment in any one of the preceding claims wherein, wherein the equipment also includes that being fluidly coupled to the breast connects The collection vessel of mouth, and wherein described movable member applies malleation along the movement of the second direction in breast interface, So as to the milk extrusion breast interface that will be drawn is entered into the collection vessel.

6. such as equipment in any one of the preceding claims wherein, wherein the equipment also includes that being fluidly coupled to the breast connects Mouthful collection vessel, and wherein described breast interface include be arranged to engage the first breast the first breast interface and It is arranged to engage the second breast interface of the second breast, and the actuating of wherein described peristaltic pump simultaneously causes described the One breast interface is from the first breast extract milk and causes that the second breast interface will be drawn from second breast Milk be collected into the collection vessel.

7. such as equipment in any one of the preceding claims wherein, wherein the pipe includes the submissive area in center and less submissive area, The submissive area in center is arranged to engage the peristaltic pump, and the less submissive area is installed in and the submissive area's phase in the center Adjacent place and be less submissive relative to the submissive area in the center so that cause of the submissive area in center in response to the peristaltic pump Move and compress, and the less submissive area transmits pressure along the pipe to the breast interface.

8. a kind of method for from breast extract milk, methods described includes：

Breast interface is set to be engaged with breast and Fluid Sealing；

The peristaltic pump that actuating is coupled with a pipe, so as to the applying vacuum pressure at breast, the pipe is filled with fluid and fluid Coupled to the breast interface；And

From breast extract milk.

9. method as claimed in claim 8, includes the actuating peristaltic pump to make the fluid edge wherein activating peristaltic pump First direction is moved along second direction opposite to the first direction, wherein making the fluid be moved along the first direction The dynamic movable member caused in the breast interface is moved away from breast, so as at breast applying vacuum pressure with from breast Extract milk, and the fluid is moved along the second direction so that the movable member is moved towards the breast It is dynamic, so that the milk drawn is discharged to being fluidly coupled in the collection vessel of the breast interface.

10. method as claimed in claim 9, the breast interface is returned wherein making the fluid be moved along the second direction Atmospheric pressure is back to, so as to allow drawn milk to be discharged in the collection vessel.

11. method as any one of claim 8,9 or 10, wherein making the fluid exist along the second direction movement Breast interface is applied with malleation, is entered into the collection vessel so as to the milk that will be drawn extrudes the breast interface.

12. method as any one of claim 8,9,10 or 11, wherein the breast interface includes being arranged to Engage the first breast interface of the first breast and be arranged to engage the second breast interface of the second breast, and wherein cause Dynamic peristaltic pump includes simultaneously making the fluid away from the first breast interface movement with from the first breast extract milk, And the fluid is collected into fluid with by the milk drawn from second breast towards the second breast interface movement Coupled in the collection vessel of the second breast interface.

A kind of 13. equipment for from breast extract milk, the equipment includes：

Breast interface, it includes being arranged to engagement breast and the flange of Fluid Sealing is carried out to breast and at which from breast The extraction area of room extract milk；

Wherein described breast interface can be adjusted manually or automatically, and it is close to carry out fluid with the breast to multiple sizes or shape Envelope.

14. equipment as claimed in claim 13, wherein the flange includes one or more elastomeric material, it is described a kind of or many Kind of elastomeric material and breast are can be conformal and to be suitable to carry out Fluid Sealing to the breast of the multiple size or shape.

15. equipment as any one of claim 13 or 14, wherein the flange includes available packing material filling Pouch, and wherein described packing material adjusts to the addition or the packing material of the pouch from the removal of the pouch The size of the flange.

16. equipment as claimed in claim 15, wherein the packing material includes multiple bead-like elements, and wherein to described The multiple bead-like element and the flange are substantially locked into fixed configuration by pouch applying vacuum, so as to particular size Or the human breast of shape carries out Fluid Sealing.

17. equipment as any one of claim 15 or 16, wherein the packing material includes fluid.

18. equipment as claimed in claim 17, wherein the breast interface also includes being fluidly coupled to the fluid of the pouch Pump, the fluid pump is arranged to add the fluid to the pouch or removes the fluid from the pouch.

19. equipment as any one of claim 13,14,15,16,17 or 18, wherein the equipment also includes

Actuatable assembly, it is operably coupled to the breast interface；

Reservoir is drawn, it is installed in the breast interface；And

Adjustable reservoir, it is fluidly coupled to the absorption reservoir and is operably coupled to the actuatable assembly；

Wherein described actuatable assembly is arranged to for fluid to be delivered to the absorption reservoir from the adjustable reservoir, or Fluid is removed and the fluid is back to the adjustable reservoir by person from the absorption reservoir, and

Wherein described adjustable reservoir includes adjusting the mechanism of its volume, to adjust the volume and thereby tune of the absorption reservoir The size of the extraction area is saved, Fluid Sealing is carried out with the breast to particular size or shape.

20. equipment as claimed in claim 19, wherein the mechanism is manually adjustable.

21. equipment as any one of claim 19 or 20, wherein the mechanism is self-adjustable, with response to The feedback for indicating the Fluid Sealing degree between the breast interface and breast from the actuatable assembly is adjusted The volume of the adjustable reservoir.

22. equipment as claimed in claim 21, wherein when the feedback is included in the volume for adjusting the adjustable reservoir by The electric current that the actuatable assembly is produced, wherein the increase of the electric current indicates the stream between the breast interface and breast The increase of body seal degree.

23. equipment as any one of claim 21 or 22, wherein the adjustable reservoir and the actuatable assembling Part is integrated so that the volume of the adjustable reservoir can be adjusted by changing the setting of the actuatable assembly.

24. equipment as claimed in claim 23, wherein the actuatable assembly includes piston assembly, and it is wherein described Adjustable reservoir includes the reservoir of the piston assembly so that the resting position of the change piston assembly have adjusted described The volume of the fluid in adjustable reservoir.

A kind of 25. methods for from breast extract milk, methods described includes：

A kind of equipment for extract milk is provided, the equipment includes that the adjustable breast with flange and extraction area connects Mouthful；

The adjustable breast interface is set to be engaged with breast；

Adjust the size of the adjustable breast interface；

The breast interface is set to carry out Fluid Sealing to breast；And

From breast extract milk.

26. methods as claimed in claim 25, wherein the size for adjusting the adjustable breast interface is included to installing in institute State the pouch addition fluid in flange or remove the fluid from the pouch.

27. method as any one of claim 25 or 26, wherein adjusting the big parcel of the adjustable breast interface Include：

The multiple bead-like elements in the pouch in the flange are installed in offer；

The multiple bead-like element is set to be molded as against human breast；

To the pouch applying vacuum；And

The flange is locked into specific size or shape.

28. method as any one of claim 25,26 or 27, wherein the breast interface includes and actuatable assembling The absorption reservoir of part and adjustable reservoir fluid coupling, and wherein adjust the size of the adjustable breast interface and include：

The actuatable assembly is activated, so that fluid is delivered to the absorption reservoir from the adjustable reservoir, or will The fluid is removed and the fluid is back to the adjustable reservoir from the absorption reservoir；And

The volume of the adjustable reservoir is adjusted to adjust the volume of the absorption reservoir, so as to adjust the extraction area Size.

29. methods as claimed in claim 28, wherein the volume for adjusting the adjustable reservoir include that regulation is described manually can Adjust the volume of reservoir.

30. method as any one of claim 28 or 29, wherein the volume for adjusting the adjustable reservoir includes ringing The feedbacks that indicates the Fluid Sealing degree breast interface and breast between of the Ying Yu from the actuatable assembly is come Adjust the volume of the adjustable reservoir.

31. methods as claimed in claim 30, wherein the adjustable reservoir is integrated with the actuatable assembly, and Wherein automatically adjusting the volume of the adjustable reservoir includes changing the setting of the actuatable assembly.

32. equipment stated such as claim 31, wherein the actuatable assembly includes piston assembly, and it is wherein described can Regulation reservoir includes the reservoir of the piston assembly, and wherein automatically adjusts the volume of the adjustable reservoir including changing The resting position of the piston assembly.