CN109675176A - A kind of cervical dilatation foley's tube facilitating feed liquor - Google Patents
A kind of cervical dilatation foley's tube facilitating feed liquor Download PDFInfo
- Publication number
- CN109675176A CN109675176A CN201910150797.6A CN201910150797A CN109675176A CN 109675176 A CN109675176 A CN 109675176A CN 201910150797 A CN201910150797 A CN 201910150797A CN 109675176 A CN109675176 A CN 109675176A
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- Prior art keywords
- piston
- sacculus
- conduit
- injection pipe
- water injection
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- 239000007924 injection Substances 0.000 claims abstract description 63
- 238000002347 injection Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000011229 interlayer Substances 0.000 claims abstract description 8
- 208000002925 dental caries Diseases 0.000 claims abstract description 3
- 210000003813 thumb Anatomy 0.000 claims description 9
- 239000002775 capsule Substances 0.000 claims description 3
- 230000003447 ipsilateral effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 19
- 239000000243 solution Substances 0.000 abstract description 4
- 239000002504 physiological saline solution Substances 0.000 description 12
- 210000003679 cervix uteri Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 206010021718 Induced labour Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000035479 physiological effects, processes and functions Effects 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1011—Multiple balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
- A61M25/10181—Means for forcing inflation fluid into the balloon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1011—Multiple balloon catheters
- A61M2025/1013—Multiple balloon catheters with concentrically mounted balloons, e.g. being independently inflatable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/14—Female reproductive, genital organs
- A61M2210/1433—Uterus
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Child & Adolescent Psychology (AREA)
- Vascular Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention relates to a kind of cervical dilatation foley's tube for facilitating feed liquor, when effective solution existing cervical dilatation, will cause the problem of the uncomfortable fluid injection inconvenience simultaneously of patient；Its technical solution solved includes conduit, there is the first sacculus on conduit, second sacculus and third sacculus, there is shaft in conduit, a block plate is equipped in conduit, conduit is divided into two mutual disconnected cavitys up and down by block plate, shaft upper end is installed with first piston, lower end is equipped with second piston, it is connected between second piston and first piston through flexible drawstring, the first water injection pipe being connected to lower end cavity and the second sacculus is equipped in the left side tube wall interlayer of conduit, it is equipped with and the first sacculus in the right side tube wall interlayer of conduit, the second water injection pipe that upper end cavity is connected with third sacculus, the right side of conduit is equipped with the piston cylinder being connected to the first water filling and the second water injection pipe, the third piston for including Y shape channel is equipped in piston cylinder, the top of third piston is equipped with the first pressure spring that upper end can move up.
Description
Technical field
The present invention relates to medical instruments field, especially a kind of cervical dilatation foley's tube for facilitating feed liquor.
Background technique
Cervical dilatation foley's tube carries out the mechanical expansion of cervix opening suitable for uterine neck bad to maturity before induced labor,
Cervical dilatation foley's tube usually requires to be placed in human body a period of time, and during this period of time sacculus understands oneself cervix gradually
The effect to realize induced labor is opened, existing cervical dilatation foley's tube is all made of disposable fluid injection and props up sacculus, such
Mode is mechanical directly by the cervix opening of patient, although strutting, speed is fast, such side of strutting for being similar to rigidity
Formula can bring great discomfort to patient, need to infuse by large capacity syringe into sacculus in foley's tube feed liquor at the same time
Liquid manually blocks water injection pipe after the completion of fluid injection, this process there are the risk that water injection pipe is softened under the effect of the pressure,
And water injection pipe needs at least fluid injection in two times in fluid injection, operates inconvenient, simultaneously generally there are at least two
Traditional fluid injection mode relies primarily on fluid injection of medical staff's experience to limit sacculus, so that there are certain manual operation wind in fluid injection
Danger.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of cervical dilatation for facilitating feed liquor
Foley's tube, when effective solution existing cervical dilatation, will cause the problem of the uncomfortable fluid injection inconvenience simultaneously of patient.
Its technical solution solved the problems, such as include it is vertical place and conduit closed at both ends, the upper end of conduit be it is hemispherical,
It is coaxial that the outside of the upper semisection of conduit has been sequentially arranged the first sacculus, the second sacculus and third sacculus, catheter interior from top to bottom
The shaft of conduit is stretched out equipped with a lower end, a block plate is equipped in conduit, and conduit is divided into upper and lower two and is not connected to mutually by block plate
Cavity, the part that shaft is placed in upper end cavity is equipped with external screw thread, is installed with a first piston on external screw thread, rotating shaft can
First piston is set to move up and down in the first cavity, first piston is fixed with tension spring close to one end of block plate, sets in the cavity of lower end
There is a second piston, second piston is fixed with drawstring on the end face of block plate, and the other end of drawstring passes through the another of block plate and tension spring
One end is fixedly connected, and first piston is moved upwards drives second piston to move upwards through drawstring and tension spring, the left side tube wall of conduit
The first water injection pipe is equipped in interlayer, the first water injection pipe is connected to lower end cavity and the second sacculus, in the right side tube wall interlayer of conduit
Equipped with the second water injection pipe, the second water injection pipe is connected with the first sacculus, upper end cavity and third sacculus, and the right side of conduit is equipped with perpendicular
To piston cylinder, the first water injection pipe is connected to from right side with piston cylinder, and the second water injection pipe is connected to from left side with piston cylinder, the first water filling
Mouth communicating position is lower than the second water filling port communicating position, and a third piston is equipped in piston cylinder, and third piston is interior equipped with a Y
Shape channel, two, Y shape channel branch mouth from the side wall of third piston stretch out and left side branch mouth be higher than right side branch mouth, third piston it is upper
Side is equipped with cross bar, connects between cross bar and piston through the first pressure spring, and the left and right ends of cross bar are equipped with bullet block, on the side wall of piston cylinder
Groove equipped with two groups of arrangements side by side up and down and with the cooperation of bullet block.
Present inventive concept is novel, and clever structure is practical, by the setting of upper end cavity and lower end cavity so that at this
Device using when do not have to fill up sacculus completely but can fill again in patient's use process, fill polyvinyl chloride side
Just make Patient Experience sense more preferably simultaneously.
Detailed description of the invention
Main view sectional view when Fig. 1 is sacculus of the present invention non-fluid injection.
Fig. 2 is first sacculus of the invention and third sacculus fluid injection, main view sectional view when the non-fluid injection of the second sacculus.
Fig. 3 is first sacculus of the invention, main view sectional view when the second sacculus and third sacculus whole fluid injection.
Fig. 4 is the main view sectional view when present invention starts to the first sacculus, the second sacculus and third sacculus liquid feeding.
Fig. 5 is first sacculus of the invention, main view when the second sacculus and third sacculus whole fluid injection.
Fig. 6 is a-quadrant partial enlarged view in Fig. 1 of the present invention.
Fig. 7 is B area partial enlarged view in Fig. 1 of the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
By Fig. 1 to Fig. 7 it is found that the present invention includes vertical placement and conduit 1 closed at both ends, the upper end of conduit 1 is hemisphere
Shape, the outside of the upper semisection of conduit 1 have been sequentially arranged the first sacculus 2, the second sacculus 3 and third sacculus 4, conduit 1 from top to bottom
Inside is coaxially provided with the shaft 5 that conduit 1 is stretched out in a lower end, is equipped with a block plate 6 in conduit 1, it is upper that block plate 6, which divides conduit 1,
Lower two mutual disconnected cavitys, the part that shaft 5 is placed in upper end cavity are equipped with external screw thread, are installed with one first on external screw thread
Piston 7, rotating shaft 5 can make first piston 7 move up and down in the first cavity, and first piston 7 is fixed close to one end of block plate 6
There is tension spring 8, is equipped with second piston 9 in the cavity of lower end, second piston 9 is fixed with drawstring 10, drawstring 10 on the end face of block plate 6
The other end pass through block plate 6 and be fixedly connected with the other end of tension spring 8, first piston 7 is moved upwards to be driven through drawstring 10 and tension spring 8
Second piston 9 moves upwards, and the first water injection pipe 11, the first water injection pipe 11 and lower end chamber are equipped in the left side tube wall interlayer of conduit 1
Body and the second sacculus 3 are connected to, and the second water injection pipe 12, the second water injection pipe 12 and the first ball are equipped in the right side tube wall interlayer of conduit 1
Capsule 2, upper end cavity are connected with third sacculus 4, and the right side of conduit 1 is equipped with vertical piston cylinder 13, and the first water injection pipe 11 is from the right side
Side is connected to piston cylinder 13, and the second water injection pipe 12 is connected to from left side with piston cylinder 13, and the first water filling port communicating position is lower than second
Water filling port communicating position, piston cylinder 13 is interior to be equipped with a third piston 14, is equipped with a Y shape channel 15, Y shape in third piston 14
15 two, channel branch mouth is stretched out from the side wall of third piston 14 and left side branch mouth is higher than right side branch mouth, and the top of third piston 14 is set
There is cross bar 16, connected between cross bar 16 and piston through the first pressure spring 17, the left and right ends of cross bar 16 are equipped with bullet block 18, piston cylinder 13
Side wall be equipped with two groups it is side by side up and down arrangement and with bullet block 18 cooperate grooves 19.
In order to facilitate the rotation and fixation of shaft 5, the lower end of the shaft 5 is cased with the thumb wheel 20 of synchronous rotation, dials
20 inner edge surfaces are taken turns equipped with first sliding groove 21, the periphery of shaft 5 is equipped with the sliding block 22 matched with first sliding groove 21, thumb wheel
20 can move axially along shaft 5, and 1 lower end surface of conduit is equipped with pin 23, and one end circumference of the thumb wheel 20 close to 1 lower end surface of conduit is equal
Multiple location holes 24 that can cooperate with pin 23 are furnished with, can be achieved to be detached from when pin 23 by the cooperation of pin 23 and location hole 24
It can be rotated the rotation of 20 drive shaft 5 of thumb wheel when location hole 24, pin 23 is inserted into the fixation that location hole 24 realizes reel.
In order to facilitate the fixation of tension spring 8 and drawstring 10, the lower end of the first piston 7 is fixed with the first mounting disc 25, draws
The upper end of spring 8 is fixed in the first mounting disc 25, and the upper end of second piston 9 is fixed with the second mounting disc 26, the lower end of drawstring 10
It is fixedly connected with the second mounting disc 26, the other end of drawstring 10 is fixedly connected with the other end of tension spring 8.
It is not able to rotate to realize that first piston 7 can only move up and down, it is sliding that second is equipped on each first piston 7
Slot, the inner wall of conduit 1 are equipped with the sliding rail 27 matched with second sliding slot.
The positioning of first sacculus 2 and third sacculus 4 for convenience, first sacculus 2 and third sacculus 4 are in cone after strutting
Shape, and the first sacculus 2 is opposite with the conical surface of third sacculus 4.
The both ends of the cross bar 16 are respectively provided with a blind hole 28, and bullet block 18 is placed in blind hole 28, bullet block 18 and 28 bottom of blind hole
It is connected between portion through the second pressure spring 29, slideway is equipped between two ipsilateral grooves 19, the depth of slideway is less than 19 depth of groove.
The block plate 6 is equipped with the through-hole passed through for drawstring 10, is equipped with sealing ring on through-hole, and through-hole diameter is less than
8 diameter of tension spring.
First water injection pipe 11 is located at lower end cavity communication port close to 6 position of block plate, the second water injection pipe 12 and upper end
It is right to guarantee that first piston 7 and second piston 9 will not block its during exercise for the upper end for being located proximate to conduit 1 of cavity connection
The feed liquor communication port answered.
It is steady when to guarantee that first piston 7 drives second piston 9 to move, between the first piston 7 and second piston 9
It is evenly equipped at least two groups drawstring 10 and tension spring 8.
The original state of the present apparatus, which is that the lower end position tension spring 8 that two first pistons 7 are located at upper end cavity is in, not to be stretched
State, upper end cavity are in space maximum rating, and second piston 9 moves to the lowest positions of conduit 1, at this time the first sacculus
2, the second sacculus 3 and third sacculus 4 be in it is non-prop up state, cross bar 16 is placed in one group of groove 19 of lower end, first pressure
Under itself retracted position of spring 17, the Y shape channel 15 of third piston 14 is not connected to the first water injection pipe 11 and the second water injection pipe 12.
The present apparatus is placed in patient uterine's neck position and is guaranteed, the first sacculus 2 is located inside cervix, the second sacculus 3
At cervix, third sacculus 4 is located at the outside of cervix, at this time by the lower end necking position of piston cylinder 13 to infusing inside it
Enter physiological saline, original state with the Y shape channel 15 on third piston 14 with any one water injection pipe by not being connected to, therefore third
Piston 14 is closed state, and by large capacity syringe, into piston cylinder 13, slow fluid injection moves up third piston 14, the
Three pistons 14, which move up, is connected to 15 left side branch mouth of Y shape channel and second liquid injection pipe in the left side of piston cylinder 13, physiological saline into
Enter the second water injection pipe 12, the second water injection pipe 12 is connected to the first sacculus 2, upper end cavity and third sacculus 4, therefore in injection physiology
When salt water, the first sacculus 2, upper end cavity and third sacculus 4 can receive physiological saline, and pressure is identical, therefore the first ball
Capsule 2, upper end cavity and third sacculus 4 gradually fill physiological saline, and the first sacculus 2 and third sacculus 4 are strutted cervix at this time
Positioning.
As the first sacculus 2, upper end cavity and 4 fluid injection of third sacculus reach and reach suitable diameter, 2 He of the first sacculus
It is that third piston 14 is leaned on to move up the decrement of the first pressure spring 17 of extruding to control that third sacculus 4, which reaches suitable diameter, and third is living
Plug 14 moves again up, and so that its Y shape is led to left side branch mouth and be detached from the second inlet tube 12, at the same time as third is living
Plug 14 moves up, the first pressure spring 17 second compression again, while the bullet block 18 on cross bar 16 is persistently extruded in groove 19, and make
Bullet block 18 has the tendency that disengaging lower end groove 19, makes its elastic force be enough to make bullet when third piston 14 moves up the first pressure spring 17 of compression
After block 18 is detached from lower end groove 19, bullet block 18 is detached from lower end groove 19, and cross bar 16 is moved upwards through slideway and to enter upper end recessed
In slot 19,17 elastic force of the first pressure spring discharges at this time, and third piston 14 makes its right end Y row of channels branch mouth and the first inlet tube to shifting
Then connection is filled the water by the first water injection pipe 11 to lower end cavity and the second sacculus 3, the amount of injecting normal saline is suffered from this time with allowing
Person, which experiences, to be strutted but is standard to cause discomfort, is stopped fluid injection after the completion and is made third under the reset response of the first pressure spring 17
Piston 14 resets downwards a distance, but moves to upper recess out of initial position lower end groove 19 due to cross bar 16 at this time
In 19, thus third piston 14 be reset to make its 15 right end branch mouth of Y shape channel be detached from the first inlet tube but left end branch mouth also not with
First inlet tube communicating position, third piston 14 blocks the first inlet tube and the second inlet tube at this time.
At this time due to the cervix of the second sacculus 3 constantly stimulation patient, have after patient uterine's neck is stimulated ever-expanding
Trend, patient feels after can expanding again after a period of time, is detached from location hole 24 thereon by downward drawing thumb wheel 20
Pin 23, rotating shaft 5, shaft 5 rotate so that its part for being located at upper end cavity drives first piston 7 to transport upwards at this time
Dynamic, first piston 7 moves upwards the tightening that can realize drawstring 10, and makes second piston 9 have what is moved upwards to become by tension spring 8
Gesture, first piston 7 move upwards as screw drive, hard mechanical presses are now in, so that the intracorporal physiological saline quilt of upper end chamber
It squeezes to the first sacculus 2 and the second sacculus 3, the second piston 9 for being also that moves upwards of first piston 7 has upwards at the same time
The trend of movement, but this trend is driven jointly through tension spring 8 and drawstring 10, and tension spring 8 has elasticity, therefore second piston 9 exists
It is flexible motion when moving upwards, physiological saline is advanced into the expansion again that the second sacculus 3 is realized in the second sacculus 3 at this time
?.
Present apparatus comparison conventional balloon dilating catheter 1 has following benefit:
1, the present apparatus compares traditional realization of foley's tube 1 and first prestores the physiological saline of quadratic extension to upper end cavity and lower end
In cavity, realizing that first piston 7 squeezes by rotating shaft 5 when patient's cervix opens more after the stimulation of a period of time
Chamber intracorporal physiological saline in upper end enters in the first sacculus 2 and third sacculus 4, while second piston 9 being driven to make in tension spring 8
The intracorporal liquid of lower end chamber is squeezed with realization second piston 9 under the action of drawstring 10 and enters the second sacculus 3, this process does not need
Additional physiological saline feed liquor driving, puerpera can voluntarily be adjusted according to its physical condition, eliminate medical staff's auxiliary liquid adding,
Time saving convenience.
2, the intracorporal physiological saline of upper end chamber in the present apparatus is squeezed by the first piston 7 of screw-driven, due to first
Sacculus 2 is located at intrauterine, and third sacculus 4, which is located at the two space in birth canal, can be used range big, and the second sacculus 3 passes through 8 He of tension spring
The flexible extruding for squeezing lower end cavity and realizing physiological saline of effect driving second piston 9 of drawstring 10, extrusion process includes tension spring 8
It is flexible reset, patient is more comfortable when this process enables the second sacculus 3 to be propped up.
3, to be placed in human body initial stage ostium of uterus opening in the present apparatus small, therefore the first sacculus 2 and third sacculus 4 are without very big i.e.
The fixation to the second sacculus 3 can be achieved, while the present apparatus guarantees the first sacculus 2 and third sacculus 4 before the expansion of the second sacculus 3
It is first expanded, with the increase of the second sacculus 3, the first sacculus 2 and third sacculus 4 also be will increase, and guarantee the during this
Two sacculus 3 are positioned always, so that the present apparatus makes patient more comfortable and can effectively prevent the present apparatus while more humanized
Abjection when in use.
4, the present apparatus moves up and down realization through large capacity syringe extruding physiology salt by third piston 14 in piston cylinder 13
Water enters in upper end cavity, the first sacculus 2 and third sacculus 4 through the second water injection pipe 12, after reaching a certain level its pressure
It is pushing third piston 14 to move upwards, is opening the first water injection pipe 11 and the first water injection pipe 11 while blocking the second water injection pipe 12
The pressure into physiological saline not by pressure influence in the second water injection pipe 12, the answering in the first pressure spring 17 after completing fluid injection
Position effect is lower to be can be achieved simultaneously to block the first water injection pipe 11 and the second water injection pipe 12, easy to operate, without replacing back and forth
It can be achieved with the feed liquor to two water injection pipes, while being realized using the fixation pressure that the first pressure spring 17 provides to the first sacculus 2
With the fluid injection of third sacculus 4, and inflates it into suitable dimension and come instead of traditional siphunculus medical staff experience and fixed liquid
Method make the present apparatus more scientific, expanding for the second sacculus 3 is felt by puerpera itself, so that the present apparatus is using more
Hommization.
Present inventive concept is novel, and clever structure is practical, by the setting of upper end cavity and lower end cavity so that at this
Device using when do not have to fill up sacculus completely but can fill again in patient's use process, fill polyvinyl chloride side
Just make Patient Experience sense more preferably simultaneously.
Claims (9)
1. a kind of cervical dilatation foley's tube for facilitating feed liquor, including vertically placing and conduit (1) closed at both ends, feature
Be, the upper end of the conduit (1) be it is hemispherical, the outside of the upper semisection of conduit (1) has been sequentially arranged the first ball from top to bottom
Capsule (2), the second sacculus (3) and third sacculus (4), the internal shaft for being coaxially provided with a lower end and stretching out conduit (1) of conduit (1)
(5), a block plate (6) is equipped in conduit (1), conduit (1) is divided into two mutual disconnected cavitys up and down, shaft by block plate (6)
(5) part for being placed in upper end cavity is equipped with external screw thread, is installed with a first piston (7) on external screw thread, rotating shaft (5) can make
First piston (7) moves up and down in the first cavity, and first piston (7) is fixed with tension spring (8) close to the one end of block plate (6), under
It holds in cavity and is equipped with second piston (9), second piston (9) is fixed with drawstring (10) on the end face of block plate (6), rope (10)
The other end pass through block plate (6) and be fixedly connected with the other end of tension spring (8), first piston (7) move upwards through drawstring (10) and
Tension spring (8) drives second piston (9) to move upwards, and is equipped with the first water injection pipe (11) in the left side tube wall interlayer of conduit (1), and first
Water injection pipe (11) is connected to lower end cavity and the second sacculus (3), and the second water injection pipe is equipped in the right side tube wall interlayer of conduit (1)
(12), the second water injection pipe (12) is connected with the first sacculus (2), upper end cavity and third sacculus (4), and conduit is set on the right side of (1)
Have vertical piston cylinder (13), the first water injection pipe (11) is connected to from right side with piston cylinder (13), and the second water injection pipe (12) is from left side
It is connected to piston cylinder (13), the first water filling port communicating position is lower than the second water filling port communicating position, is equipped with one in piston cylinder (13)
A third piston (14), third piston (14) is interior to be equipped with a Y shape channel (15), and (15) two, Y shape channel branch mouth is living from third
The side wall for filling in (14) stretches out and left side branch mouth is higher than right side branch mouth, and the top of third piston (14) is equipped with cross bar (16), cross bar
(16) it is connect between piston through the first pressure spring (17), the left and right ends of cross bar (16) are equipped with bullet block (18), piston cylinder (13)
Side wall is equipped with two groups of arrangements side by side up and down and the groove (19) with bullet block (18) cooperation.
2. a kind of cervical dilatation foley's tube for facilitating feed liquor according to claim 1, which is characterized in that the shaft
(5) lower end is cased with the thumb wheel (20) of synchronous rotation, and thumb wheel (20) inner edge surface is equipped with first sliding groove (21), shaft (5)
Periphery be equipped with the sliding block (22) that matches with first sliding groove (21), thumb wheel (20) can be moved axially along shaft (4), conduit
(1) lower end surface be equipped with pin (23), thumb wheel (20) close to conduit (1) lower end surface one end be evenly distributed in it is multiple can be with pin
(23) location hole (24) cooperated.
3. a kind of cervical dilatation foley's tube for facilitating feed liquor according to claim 1, which is characterized in that described first
The lower end of piston (7) is fixed with the first mounting disc (25), and the upper end of tension spring (8) is fixed on the first mounting disc (25), and second is living
The upper end of plug (9) is fixed with the second mounting disc (26), and the lower end of drawstring (10) is fixedly connected with the second mounting disc (26), drawstring
(10) the other end is fixedly connected with the other end of tension spring (8).
4. a kind of cervical dilatation foley's tube for facilitating feed liquor according to claim 1, which is characterized in that described each
Second sliding slot is equipped on first piston (7), the inner wall of conduit (1) is equipped with the sliding rail (27) matched with second sliding slot.
5. a kind of cervical dilatation foley's tube for facilitating feed liquor according to claim 1, which is characterized in that described first
Sacculus (2) and third sacculus (4) strut rear tapered, and the conical surface of the first sacculus (2) and third sacculus (4) is opposite.
6. a kind of cervical dilatation foley's tube for facilitating feed liquor according to claim 1, which is characterized in that the cross bar
(16) both ends are respectively provided with a blind hole (28), and bullet block (18) is placed in blind hole (28), bullet block (18) and blind hole (28) bottom it
Between connected through the second pressure spring (29), slideway is equipped between two ipsilateral grooves (19), it is deep that the depth of slideway is less than groove (19)
Degree.
7. a kind of cervical dilatation foley's tube for facilitating feed liquor according to claim 1, which is characterized in that the block plate
(6) it is equipped with the through-hole passed through for drawstring (10), sealing ring is installed, and through-hole diameter is less than tension spring (8) diameter on through-hole.
8. a kind of cervical dilatation foley's tube for facilitating feed liquor according to claim 1, which is characterized in that described first
Water injection pipe (11) and lower end cavity communication port are located at close to block plate (6) position, what the second water injection pipe (12) was connected to upper end cavity
It is located proximate to the upper end of conduit (1), it is corresponding to guarantee that first piston (7) and second piston (9) will not block its during exercise
Feed liquor communication port.
9. a kind of cervical dilatation foley's tube for facilitating feed liquor according to claim 1, which is characterized in that described first
At least two groups drawstring (10) and tension spring (8) are evenly equipped between piston (7) and second piston (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150797.6A CN109675176B (en) | 2019-02-28 | 2019-02-28 | Cervical dilatation balloon catheter convenient for liquid feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109675176B CN109675176B (en) | 2021-02-26 |
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| CN111257526A (en) * | 2020-03-12 | 2020-06-09 | 巴彦淖尔市医院 | Analytical instrument and method for bladder cancer treatment target preparation |
| WO2021136460A1 (en) * | 2019-12-31 | 2021-07-08 | 杭州启明医疗器械股份有限公司 | Hemostasis valve, catheter sheath, and method for sealing interventional instrument |
| CN117084753A (en) * | 2023-10-19 | 2023-11-21 | 长沙金维医疗科技有限公司 | Double-channel thrombus aspiration catheter |
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| CN117084753B (en) * | 2023-10-19 | 2024-01-05 | 长沙金维医疗科技有限公司 | Double-channel thrombus aspiration catheter |
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Effective date of registration: 20210204 Address after: Plant 102, building 12, industrialization base of small and medium sized enterprises, bio pharmaceutical Park, 1777 Dazheng Road, hi tech Zone, Jinan City, Shandong Province Applicant after: TAIPINGYANG KANGTAI SCIENTIFIC APPARATUS (JINAN) Co.,Ltd. Address before: 453400 No. 234 Jianpuxi Road, Changyuan County, Xinxiang City, Henan Province Applicant before: HENAN YADU INDUSTRIAL Co.,Ltd. Applicant before: HENAN WEIPUSHI MEDICAL TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A convenient cervical dilation balloon catheter for fluid insertion Granted publication date: 20210226 Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch Pledgor: TAIPINGYANG KANGTAI SCIENTIFIC APPARATUS (JINAN) CO.,LTD. Registration number: Y2024980016610 |
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