CN114668922A

CN114668922A - Medical liquid pumping and injecting auxiliary device

Info

Publication number: CN114668922A
Application number: CN202210199707.4A
Authority: CN
Inventors: 宋炳全
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-06-28

Abstract

The invention discloses a medical pumping and injecting liquid assistor, which comprises a base, a pumping and injecting cylinder, an air pump, a power supply and a control system, wherein the base is provided with a base seat; the pumping and injecting cylinder comprises a cylinder body, a cylinder cover, a flow velocity sensor, a clamping component and a piston, wherein the piston is movably arranged in the cylinder body, the cylinder body is divided by the piston to form an upper accommodating cavity and a lower driving cavity, and the lower driving cavity is provided with an air inlet and an air outlet; the air pump and the power supply are arranged in the base; the control system comprises a transfusion module, a display module, an interaction module and a processor. The medical liquid pumping and injecting auxiliary device utilizes the air pump to pump air so as to enable the piston to ascend or descend, when the piston ascends, liquid medicine in the liquid storage bag is input into a patient, when the piston descends, body fluid of the patient flows into the liquid storage bag under the action of negative pressure, automatic liquid pumping and injecting can be achieved, when the medical liquid pumping and injecting auxiliary device is used for pumping and injecting liquid, the patient can move freely, and the problem of blood backflow does not need to be considered.

Description

Medical liquid pumping and injecting auxiliary device

Technical Field

The invention relates to the technical field of medical equipment, in particular to a medical liquid pumping and injecting assistor.

Background

In clinical medicine, in order to rapidly treat diseases, a plurality of treatment means are generally combined, and one of the most common means is to inject liquid into a patient or extract liquid from the patient. For example: loss of patient fluid: blood loss, diarrhea, difficulty in eating, etc., and blood transfusion, fluid supplementation, and drug and nutrient infusion are required, and intravenous infusion can be adopted. Yet other diseases, such as: pleural effusion, peritoneal fluid, urinary retention, and other diseases require the removal of these fluids from the patient.

At present, most of clinical transfusion is intravenous transfusion commonly called 'hanging injection', and the obvious defects are as follows: the patient can not move freely in the process of infusion, which causes great trouble to both the patient and the nursing staff. For diseases such as pleural effusion, abdominal effusion, urinary retention and the like, only a surgical liquid pumping method can be adopted, a patient needs to take a special body position during operation, at least more than two doctors with higher qualifications are needed for operation, the doctors and the patient need highly acquiescent cooperation during the operation, and the apparatus required for pumping liquid is special, so that the damage to the patient is large.

Disclosure of Invention

The invention aims to provide a medical infusion liquid extraction assistor to assist medical staff in extracting infusion liquid and reduce the workload of the medical staff.

In order to achieve the above object, the present invention provides a medical infusion assisting device, comprising: the device comprises a base, a pumping and injecting barrel, an air pump and a control system;

the suction and injection cylinder comprises: the device comprises a barrel, a barrel cover, a flow velocity sensor, a clamping component and a piston, wherein the upper end of the barrel is an open end, the barrel cover is detachably arranged at the open end of the barrel, a through hole for penetrating a dosing end of a liquid storage bag is formed in the cover body part of the barrel cover, the clamping component for fixing the dosing end of the liquid storage bag is arranged at the through hole, the piston is movably arranged on the inner periphery of the barrel along the axial direction of the barrel, the piston divides the barrel into an upper accommodating cavity and a lower driving cavity, and the lower driving cavity is provided with an air inlet hole and an air outlet hole;

The base is arranged on the lower end face of the barrel, the air pump and the power supply are arranged in the base, the air pump is provided with a first air suction end, a second air suction end, a first air outlet end and a second air outlet end, the first air suction end is connected with the air outlet, the second air suction end extends out of the base, the first air outlet end extends out of the base, the second air outlet end is connected with the air inlet, and the first air suction end, the second air suction end, the first air outlet end and the second air outlet end are respectively provided with an electromagnetic valve;

the control system includes: infusion module, display module, mutual module and treater, infusion set is including encircleing the through-hole and locating the velocity sensor of cover lower surface and locating the timer in the base, velocity sensor is used for the infusion rate of real-time supervision stock solution bag end of dosing, the timer is used for setting for taking out notes liquid time and interval stop time, mutual module is used for taking out the settlement and the confirmation of annotating the liquid scheme to and be used for opening of medical taking out notes liquid assistor to stop, display module is used for showing infusion information, the treater is used for receiving infusion module, display module, mutual module's instruction information, and sends the instruction in infusion module, display module, mutual module after handling.

When the medical liquid pumping and injecting assistor pumps out the liquid, the air pump is utilized to pump out the air to enable the piston to ascend or descend, when the piston ascends, the liquid medicine in the liquid storage bag is input into the body of a patient, when the piston descends, the body fluid of the patient flows into the liquid storage bag, the medical liquid pumping and injecting assistor can achieve automatic liquid pumping and injecting, the patient and medical staff do not need to stare at the liquid storage bag in real time, meanwhile, when the medical liquid pumping and injecting assistor is used for pumping out the liquid, the patient can move freely, the problem of blood backflow does not need to be considered, in addition, the medical liquid pumping and injecting assistor can reduce the workload of the medical staff, and the burden of the patient is reduced.

In the above technical solution, the present invention may further be modified as follows:

preferably, the infusion device further comprises an alarm monitoring module, wherein the alarm monitoring module is used for monitoring whether alarm information exists in the infusion module process and giving an alarm when the alarm information is found.

Preferably, the barrel includes the outer barrel that keeps warm, barrel and heating element in the heat conduction, the outer fixed outside of locating the barrel in the heat conduction of barrel of the outer barrel that keeps warm and with the heat conduction in the barrel concentric, heating element presss from both sides and locates between the outer barrel that keeps warm and the barrel in the heat conduction, heating element and treater electric connection.

Preferably, the blood glucose monitoring device further comprises a detection module for collecting the blood glucose concentration of the user, and the detection module is electrically connected with the processor.

Preferably, the control system further comprises a wireless communication module electrically connected with the processor, the wireless communication module is wirelessly and electrically connected with a terminal device, and the terminal device can acquire data of the residual amount of the liquid in the pumping cylinder.

Preferably, the solid subassembly of card includes outer ring cover, interior ring cover and spring catch, the outer ring cover sets firmly in the upper surface of barrel around the through-hole, a plurality of positioning ring grooves have been seted up to the interval on the inner peripheral face axial of outer ring cover, interior ring cover include a plurality of arcs and with the extension spring of arc one-to-one, two arbitrary adjacent arcs all link into an integrated entity through extension spring, spring catch and the setting of arc one-to-one, the one end of every spring catch all is connected with the outer wall middle part of an arc, and the other end of every spring catch all is located in the positioning ring groove along the radial card of outer ring cover.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below.

FIG. 1 is a schematic structural diagram of an external appearance of a medical auxiliary device for infusion and aspiration according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a medical auxiliary device for infusion and aspiration according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an inner ring sleeve according to an embodiment of the invention.

In the attached figures, the drawing is shown,

the device comprises a base 10, an air pump 11, a power supply 12, a display screen 13, a cylinder 21, a heat-conducting inner cylinder 211, a heating wire 212, a heat-insulating outer cylinder 213, a cylinder cover 22, a piston 23, an upper accommodating cavity 24, a lower driving cavity 25, an air inlet 251, an air outlet 252, an outer ring sleeve 31, a positioning ring groove 311, an arc-shaped sheet 32, an extension spring 33, a spring pin 34 and a flow rate sensor 35.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1 to fig. 3, the present embodiment discloses a medical auxiliary device for pumping and injecting fluid, which includes a base 10, a pumping and injecting cylinder, an air pump 11, a power source 12 and a control system.

Wherein, pump and annotate a section of thick bamboo including: the liquid storage bag dosing device comprises a barrel 21, a barrel cover 22, a flow velocity sensor 35, a clamping component and a piston 23, wherein the upper end of the barrel 21 is an open end, the barrel cover 22 is detachably arranged at the open end of the barrel 21, a through hole used for penetrating through a liquid storage bag dosing end is formed in the cover body portion of the barrel cover 22, the clamping component used for fixing the liquid storage bag dosing end is arranged at the through hole, the piston 23 is movably arranged on the inner periphery of the barrel 21 along the axial direction of the barrel 21, the piston 23 divides the barrel 21 into an upper accommodating cavity 24 and a lower driving cavity 25, and the lower driving cavity 25 is provided with an air inlet 251 and an air outlet 252.

In an alternative embodiment of the present application, the cylinder 21 is a cylindrical structure, the outer wall of the upper end of the cylinder 21 is provided with external threads, the inner annular wall of the cover 22 is provided with internal threads, and the cylinder 21 and the cover 22 are connected by the internal and external threads in a matching manner.

In this embodiment, on hold chamber 24 and be used for placing the stock solution bag, the through-hole is worn to locate in the end activity of dosing of stock solution bag, and the card solid subassembly is used for the end of dosing of fixed stock solution bag.

The base 10 is arranged on the lower end surface of the barrel 21, the air pump 11 and the power supply 12 are both arranged in the base 10, the air pump 11 is provided with a first air suction end, a second air suction end, a first air outlet end and a second air outlet end, the first air suction end is connected with the air outlet hole 252, the second air suction end extends out of the base 10, the first air outlet end extends out of the base 10, the second air outlet end is connected with the air inlet hole 251, and the first air suction end, the second air suction end, the first air outlet end and the second air outlet end are all provided with electromagnetic valves;

When gas needs to be injected into the lower driving cavity 25, the electromagnetic valve at the first air suction end and the electromagnetic valve at the first air outlet end are both in a closed state, the electromagnetic valve at the second air suction end and the electromagnetic valve at the second air outlet end are both in an open state, at the moment, the air pump 11 sucks external air and pressurizes and injects the air into the lower driving cavity 25, so that the piston 23 rises to push the liquid medicine in the liquid storage bag to be injected into a patient; when the air in the lower driving cavity 25 needs to be pumped out, the electromagnetic valve at the second air suction end and the electromagnetic valve at the second air outlet end are both in a closed state, the electromagnetic valve at the first air suction end and the electromagnetic valve at the first air outlet end are both in an open state, the air pump 11 pumps the air in the lower driving cavity 25 and discharges the air to the outside through the first air outlet end, the piston 23 is made to descend, the pressure in the upper accommodating cavity 24 is reduced at the moment, and the liquid in the body of a patient is pumped into the liquid storage bag.

The control system includes: infusion module, display module, interactive module and treater, power 12 provides the electric energy for infusion module, display module, interactive module and treater, infusion set includes that the ring establishes the solid flow rate sensor 35 of subassembly lower part of card and locates the timer in the base 10, flow rate sensor 35 is used for the infusion rate of real-time supervision stock solution bag end of dosing, the timer is used for setting for drawing notes liquid time and interval stop time, interactive module is used for drawing the settlement and the affirmation of annotating the liquid scheme to and be used for opening of medical drawing notes liquid assistor to stop, display module is used for showing infusion information, the treater is used for receiving infusion module, display module, interactive module's instruction information to send the instruction after handling and in infusion module, display module, interactive module.

When the medical liquid pumping and injecting auxiliary device is used for transfusion, the cylinder cover 22 is firstly opened to place a liquid storage bag with liquid medicine in the upper accommodating cavity 24, then the cylinder cover 22 is covered on the upper end opening of the upper accommodating cavity 24, the liquid feeding end of the liquid storage bag is clamped in the clamping component, finally, the liquid feeding end of the transfusion tube is inserted on the liquid feeding end of the liquid storage bag, and the liquid feeding end (puncture needle) of the transfusion tube is connected with the transfusion part of a patient.

When the medical liquid pumping and injecting assistor is used for pumping liquid, the cylinder cover 22 is firstly opened to place an empty liquid storage bag in the upper accommodating cavity 24, then the cylinder cover 22 is covered on the upper end opening of the upper accommodating cavity 24, the liquid inlet end of the liquid storage bag is clamped in the clamping component, finally the liquid outlet end of the liquid pumping pipe is inserted on the liquid inlet end of the liquid storage bag, and the liquid inlet end (puncture needle) of the liquid pumping pipe is connected with the position of the patient to be pumped with liquid.

When the medical liquid pumping and injecting assistor pumps out infusion, the air pump 11 is utilized to pump out air to enable the piston 23 to ascend or descend, when the piston 23 ascends, liquid medicine in the liquid storage bag is input into a patient, when the piston 23 descends, body fluid of the patient flows into the liquid storage bag, automatic infusion pumping can be achieved by the medical liquid pumping and injecting assistor, the patient and medical staff do not need to tightly look at the infusion bag in real time, when the medical liquid pumping and injecting assistor is used for pumping out the liquid, the patient can freely move, the problem of blood backflow does not need to be considered, in addition, the workload of the medical staff can be reduced by using the medical liquid pumping and injecting assistor, and the burden of the patient is favorably reduced.

In an optional embodiment of the present application, the control system further comprises an alarm monitoring module, wherein the alarm monitoring module is used for monitoring whether there is alarm information in the process of the infusion module, and giving an alarm when the alarm information is found. During the drawing of liquid, when solution reaches when presetting the capacity or drawing liquid when suspending temporarily in the stock solution bag, the warning monitoring module automatic alarm can remind patient and medical personnel, during the infusion, when solution is close early warning capacity or infusion when suspending suddenly in the stock solution bag, the warning monitoring module automatic alarm can remind patient and medical personnel.

In an optional embodiment of the present application, the system further comprises a detection module for collecting the blood glucose concentration of the user, the detection module is electrically connected to the processor, the blood glucose concentration of the patient can be determined through the detection module, and then the rate and time for delivering insulin to the patient can be automatically determined according to the information preset by the interaction module, so as to avoid the blood glucose of the patient from being sharply increased due to the untimely insulin supply.

In an optional embodiment of the present application, the control system further includes a wireless communication module electrically connected to the processor, the wireless communication module is wirelessly and electrically connected to a terminal device, and the terminal device is capable of acquiring data of a remaining amount of the liquid in the pumping barrel. Can make medical personnel can observe the infusion condition in real time at the assigned position (like nurse station) through setting up wireless communication module to further improve medical personnel's work efficiency.

In an optional embodiment of the present application, the barrel 21 includes an outer barrel 213 that keeps warm, a heat conduction inner barrel 211 and a heating element, the outer barrel 213 that keeps warm is fixed to be located in the heat conduction outer barrel 211 outside and concentric with the heat conduction inner barrel 211, the heating element is clamped between the outer barrel 213 that keeps warm and the heat conduction inner barrel 211, and the heating element is electrically connected with the processor.

Optionally, the heating assembly includes a heating wire 212 and a temperature control switch, and heat generated by heating of the heating wire 212 is transferred into the heat-conducting inner cylinder 211, so that the temperature in the heat-conducting inner cylinder 211 is maintained between 36.5 ° and 37.5 °, and further the temperature of the liquid medicine in the liquid storage bag is maintained between 36.5 ° and 37.5 °, therefore, the device can deliver the liquid medicine to the patient whose temperature is approximately consistent with the temperature in the patient, so as to obtain a better therapeutic effect.

Because the diameters of the upper part, the middle part and the lower part of the liquid outlet end of the existing liquid storage bag are different, the liquid outlet end of the liquid storage bag can be effectively fixed by arranging clamping and fixing components which are suitable for different diameters.

As shown in fig. 2 and 3, the clamping and fixing component includes an outer ring sleeve 31, an inner ring sleeve and a spring pin 34, the outer ring sleeve 31 is fixedly arranged on the upper surface of the cylinder 21 around the through hole, a plurality of positioning ring grooves 311 are formed in the inner circumferential surface of the outer ring sleeve 31 at intervals in the axial direction, the inner ring sleeve includes a plurality of arc-shaped pieces 32 and extension springs 33 corresponding to the arc-shaped pieces 32 one to one, any two adjacent arc-shaped pieces 32 are connected into a whole through the extension springs 33, the spring pin 34 and the arc-shaped pieces 32 are arranged in a one-to-one correspondence manner, one end of each spring pin 34 is connected with the middle part of the outer wall of one arc-shaped piece 32, and the other end of each spring pin 34 is clamped in the positioning ring groove 311 along the radial direction of the outer ring sleeve 31.

In this embodiment, there are three positioning ring grooves 311 and three arc-shaped pieces 32, and there are three sets of spring pins 34, and there are three spring pins 34 in each set.

This solid subassembly card of card establishes the liquid storage bag and doses when holding the end, when the liquid storage bag was dosed end major diameter portion and is passed the solid subassembly of card, extension spring 33 atress is tensile, and make the internal diameter increase of interior ring cover, spring pin 34 atress compression this moment, the liquid storage bag is dosed the big footpath end of end and can be smoothly through the solid subassembly of card, when the liquid storage bag was dosed end major diameter portion and is stretched into the solid subassembly of card, extension spring 33 return naturally, pull spring pin 34 activity return simultaneously, make interior ring cover card establish the liquid storage bag and dose end major diameter portion, this solid subassembly of card can effectively be fixed the liquid storage bag end of dosing.

To sum up, the medical liquid assistor of taking out notes that provides has realized the function of automatic, regularly, ration liquid of taking out notes, has the function of heating up, reporting to the police simultaneously, has effectively improved the convenience of using.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.

Claims

1. Medical liquid assistor of annotating of drawing, its characterized in that includes: the device comprises a base (10), a pumping and injecting barrel, an air pump (11), a power supply (12) and a control system;

the suction and injection cylinder comprises: the device comprises a cylinder body (21), a cylinder cover (22), a flow velocity sensor (35), a clamping component and a piston (23), wherein the upper end of the cylinder body (21) is an open end, the cylinder cover (22) is detachably arranged at the open end of the cylinder body (21), a through hole for penetrating a drug delivery end of a liquid storage bag is formed in the cover body part of the cylinder cover (22), the clamping component for fixing the drug delivery end of the liquid storage bag is arranged at the through hole, the piston (23) is movably arranged on the inner periphery of the cylinder body (21) along the axial direction of the cylinder body (21), the cylinder body (21) is separated by the piston (23) to form an upper accommodating cavity (24) and a lower driving cavity (25), and an air inlet (251) and an air outlet (252) are formed in the lower driving cavity (25);

the base (10) is arranged on the lower end face of the barrel body (21), the air pump (11) and the power supply (12) are arranged in the base (10), the air pump (11) is provided with a first air suction end, a second air suction end, a first air outlet end and a second air outlet end, the first air suction end is connected with the air outlet hole (252), the second air suction end extends out of the base (10), the first air outlet end extends out of the base (10), the second air outlet end is connected with the air inlet hole (251), and the first air suction end, the second air suction end, the first air outlet end and the second air outlet end are respectively provided with an electromagnetic valve;

The control system includes: infusion module, display module, interactive module and treater, infusion set is including surrounding the through-hole and locating velocity sensor (35) of cover (22) lower surface and locating the timer in base (10), velocity sensor (35) are used for the infusion rate of real-time supervision liquid storage bag end of dosing, the timer is used for setting for taking out notes liquid time and interval stop time, interactive module is used for taking out the settlement and the affirmation of annotating the liquid scheme to and be used for opening of medical liquid assistor of taking out notes to open, display module is used for showing infusion information, the treater is used for receiving infusion module, display module, interactive module's instruction information to send the instruction in infusion module, display module, interactive module after handling.

2. The medical infusion liquid assist device according to claim 1, wherein the control system further comprises an alarm monitoring module, and the alarm monitoring module is used for monitoring whether alarm information exists in the infusion module process and giving an alarm when the alarm information is found.

3. The medical infusion liquid assist device according to claim 1, wherein the control system further comprises a detection module for collecting blood glucose concentration of the user, and the detection module is electrically connected with the processor.

4. The medical infusion liquid assistor as claimed in claim 1, wherein the control system further comprises a wireless communication module electrically connected to the processor, the wireless communication module is wirelessly and electrically connected to a terminal device, and the terminal device is capable of acquiring data of the remaining amount of the liquid in the infusion cylinder.

5. The medical liquid injection and extraction assisting device according to claim 1, wherein the cylinder (21) comprises an outer heat-insulating cylinder (213), an inner heat-conducting cylinder (211) and a heating assembly, the outer heat-insulating cylinder (213) is fixedly arranged outside the inner heat-conducting cylinder (211) and is concentric with the inner heat-conducting cylinder (211), the heating assembly is clamped between the outer heat-insulating cylinder (213) and the inner heat-conducting cylinder (211), and the heating assembly is electrically connected with the processor.

6. The medical infusion liquid auxiliary device according to claim 1, wherein the clamping component comprises an outer ring sleeve (31), an inner ring sleeve and a spring pin (34), the outer ring sleeve (31) is fixedly arranged on the upper surface of the barrel body (21) around the through hole, a plurality of positioning ring grooves (311) are arranged on the inner peripheral surface of the outer ring sleeve (31) at intervals in the axial direction, the inner ring sleeve comprises a plurality of arc-shaped sheets (32) and extension springs (33) which are in one-to-one correspondence with the arc-shaped sheets (32), any two adjacent arc-shaped sheets (32) are connected into a whole through the extension springs (33), spring catch (34) and arc piece (32) one-to-one setting, the one end of every spring catch (34) all is connected with the outer wall middle part of an arc piece (32), and the other end of every spring catch (34) all locates in positioning ring groove (311) along the radial card of outer ring cover (31).