CN218509652U

CN218509652U - Transfer pump and urethra pressure measurement water injection system

Info

Publication number: CN218509652U
Application number: CN202221631364.6U
Authority: CN
Inventors: 戴新春
Original assignee: Jiangsu Yibei Medical Technology Co ltd
Current assignee: Jiangsu Yibei Medical Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2023-02-21
Anticipated expiration: 2032-06-28

Abstract

The utility model relates to an transfer pump and urethra pressure measurement water injection system, include: the first cover body and the second cover body are connected to form a cavity; the extrusion piece is arranged in the cavity and is used for abutting against the infusion bag and extruding the infusion bag; and a central rod disposed within the cavity; and a first connector and a second connector; and the first moving part and the second moving part are connected with the first connecting piece and the second connecting piece through the transmission assembly. The utility model discloses a transfer pump turns into the removal of first connecting piece and second connecting piece with the removal of first moving member and second moving member, through the steady fast removal of controlling first moving member and second moving member, can reach the steady fast removal of first connecting piece for first connecting piece is more stable to infusion bag's extrusion, thereby makes the liquid outflow speed in the infusion bag more stable.

Description

Transfer pump and urethra pressure measurement water injection system

Technical Field

The utility model belongs to the technical field of infusion set technique and specifically relates to indicate an transfer pump and urethra pressure measurement water injection system.

Background

The urethra is in the encapsulated situation at the storage period of urine, because the compliance and the plasticity of urethra mucosa, under the effect of urethra outer tension, with the urethra closed, at urethra pressure measurement in-process, inject urine through the catheter, the pressure of the water in the ureter will act on the mucosa wall of urethra, need push away the mucosa through injected water so that water gets into the urethra intracavity, at this moment, push away the required static pressure of mucosa and represent the urethra pressure of urethra side hole department promptly, in order to test this static pressure, some urethra pressure measurement water injection systems have been born.

The flow of the existing urethra pressure measurement water injection system during water injection is unstable, so that the pressure of water is increased unstably, the static pressure during pushing away mucous membranes is difficult to accurately measure, and the measurement precision of the existing urethra pressure measurement water injection system is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that the flow of urethra pressure measurement water injection system when the water injection is unstable among the prior art is overcome, leads to the problem that measurement accuracy descends, therefore provides an transfer pump and urethra pressure measurement water injection system that measurement accuracy is high.

In order to solve the technical problem, the utility model provides an infusion pump, include:

the first cover body and the second cover body are connected to form a cavity, and an opening is formed in the second cover body; and

the extrusion piece is arranged in the cavity and is used for abutting against the infusion bag and extruding the infusion bag; and

the central rod is arranged in the cavity, a first moving piece and a second moving piece are sleeved on the central rod, and the first moving piece and the second moving piece are symmetrically arranged; and

the first connecting piece is connected with the extrusion piece, and the second connecting piece is connected with the first cover body; and

the first moving part and the second moving part are connected with the first connecting part and the second connecting part through the transmission assembly, when the first moving part and the second moving part are close to each other, the first connecting part and the second connecting part are far away from each other so as to extrude the infusion bag, and when the first moving part and the second moving part are far away from each other, the first connecting part and the second connecting part are close to each other.

As a further improvement of the utility model, the transmission assembly includes first connecting rod, second connecting rod, third connecting rod and fourth connecting rod, the both ends of first connecting rod respectively with first connecting piece with first moving member is articulated, the both ends of second connecting rod respectively with first moving member with the second connecting piece is articulated, the both ends of third connecting rod respectively with the second connecting piece with the second moving member is articulated, the both ends of fourth connecting rod respectively with the second moving member with first connecting piece is articulated.

As a further improvement, the transmission assembly is provided with two transmission assemblies which are respectively arranged on the two sides of the central rod.

As the utility model discloses a further improvement still includes first reset assembly and second reset assembly, first reset assembly includes first spring, second spring and locating part, the locating part is fixed well core rod's first end, the internal diameter of first spring is greater than the external diameter of second spring, the second spring housing is established well core rod is last, the both ends of second spring respectively with the locating part with first moving member butt.

As a further improvement of the present invention, the direction of the spiral of the first spring is opposite to the direction of the spiral of the second spring.

As a further improvement of the utility model, the side of first lid is equipped with the transparent portion, be equipped with the liquid level on the transparent portion and carve the mark.

As a further improvement, the inner wall of the second cover body is provided with a first thread, the outer wall of the first cover body is provided with a second thread, and the first thread is matched with the second thread.

In order to solve the technical problem, the utility model also provides a urethra pressure measurement water injection system, include:

the above-mentioned infusion pump; and

the infusion bag comprises a first pipeline, a connecting pipe and a second pipeline, wherein two ends of the first pipeline are respectively connected with the infusion bag and a first end of the connecting pipe, a second end of the connecting pipe is connected with a first end of the second pipeline, an injection port is arranged on one side of the connecting pipe, an injection cover is arranged on the injection port, and a second end of the second pipeline is connected with a luer connector; and

the switch clamp is arranged on the second pipeline; and

a flow controller disposed on the second conduit and between the luer and the switch clamp.

As a further improvement, the utility model also comprises a joint cover, and the joint cover is arranged at the second end of the second pipeline.

As a further improvement of the present invention, the liquid medicine filter is further included, the liquid medicine filter is disposed on the second pipeline, and is located between the switch clamp and the flow controller.

Compared with the prior art, the technical scheme of the utility model have following advantage:

the infusion pump of the utility model converts the movement of the first moving part and the second moving part into the movement of the first connecting part and the second connecting part, and the stable-speed movement of the first connecting part can be achieved by controlling the stable-speed movement of the first moving part and the second moving part, so that the extrusion of the first connecting part on the infusion bag is more stable, and the liquid outflow speed in the infusion bag is more stable;

the utility model discloses a urethra pressure measurement water injection system can obtain the liquid medicine of constant flow rate through using this transfer pump, at the in-process to the urethra pressure measurement, can accurately obtain the water injection and push the static pressure when pushing the mucosa open.

Drawings

In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings, wherein:

fig. 1 is a schematic structural view of an infusion pump according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a urethral pressure testing water injection system according to a second embodiment of the present invention.

The specification reference numbers indicate: 1. a first cover body; 2. a second cover body; 3. an extrusion; 4. a center pole; 5. a first moving member; 6. a second moving member; 7. a first connecting member; 8. a second connecting member; 9. a first link; 10. a second link; 11. a third link; 12. a fourth link; 13. a first spring; 14. a limiting member; 15. a transparent portion; 16. marking the liquid level; 17. a first pipeline; 18. a connecting pipe; 19. a second pipeline; 20. an injection cap; 21. a luer fitting; 22. a switch clamp; 23. a flow controller; 24. a joint cover; 25. a liquid medicine filter.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first", "second", "third", and the like are used for distinguishing names, rather than representing specific numbers and orders.

The first embodiment is as follows:

referring to fig. 1, the present embodiment provides an infusion pump including:

the first cover body 1 is connected with the second cover body 2 to form a cavity, and the second cover body 2 is provided with an opening; and

the extrusion part 3 is arranged in the cavity, and the extrusion part 3 is used for abutting against the infusion bag and extruding the infusion bag; and

the central rod 4 is arranged in the cavity, a first moving part 5 and a second moving part 6 are sleeved on the central rod 4, and the first moving part 5 and the second moving part 6 are symmetrically arranged; and

the first connecting piece 7 is connected with the extrusion piece 3, and the second connecting piece 8 is connected with the first cover body 1; and

the infusion bag pressing device comprises a transmission assembly, wherein the first moving part 5 and the second moving part 6 are connected with the first connecting part 7 and the second connecting part 8 through the transmission assembly, when the first moving part 5 and the second moving part 6 are close to each other, the first connecting part 7 and the second connecting part 8 are far away from each other so as to press an infusion bag, and when the first moving part 5 and the second moving part 6 are far away from each other, the first connecting part 7 and the second connecting part 8 are close to each other.

Through placing infusion bag in the inboard of first lid 1, close second lid 2 and first lid 1 connection, in this process, extrusion piece 3 and infusion bag laminate gradually, and simultaneously, first connecting piece 7 and second connecting piece 8 are close to each other, under drive assembly's effect, first moving piece 5 and second moving piece 6 are kept away from each other, until first lid 1 and second lid 2 close the back completely, first moving piece 5 and second moving piece 6 are ordered about each other fast and are close to by external force, make first connecting piece 7 and second connecting piece 8 keep away from fast each other, extrusion piece 3 extrusion infusion bag fast promptly, make the liquid medicine in the infusion bag flow out with invariable flow.

In one embodiment, referring to fig. 1, the transmission assembly includes a first connecting rod 9, a second connecting rod 10, a third connecting rod 11 and a fourth connecting rod 12, two ends of the first connecting rod 9 are respectively hinged to a first connecting member 7 and the first moving member 5, two ends of the second connecting rod 10 are respectively hinged to the first moving member 5 and the second connecting member 8, two ends of the third connecting rod 11 are respectively hinged to the second connecting member 8 and the second moving member 6, and two ends of the fourth connecting rod 12 are respectively hinged to the second moving member 6 and the first connecting member 7.

When extruded article 3 and first connecting piece 7 laminate gradually, rotate with first connecting piece 7 articulated first connecting rod 9 and fourth connecting rod 12, first connecting rod 9 wholly is clockwise, fourth connecting rod 12 wholly is anticlockwise, at this moment, second connecting rod 10 wholly is anticlockwise, third connecting rod 11 is clockwise, first moving member 5 keeps away from each other with second moving member 6, until first lid 1 closes the back with second lid 2 completely, first moving member 5 and second moving member 6 receive external force to influence each other steady fast and be close to, make first connecting rod 9 wholly be anticlockwise, second connecting rod 10 wholly is clockwise, third connecting rod 11 wholly is anticlockwise, fourth connecting rod 12 wholly is clockwise, thereby make first connecting piece 7 steady fast keep away from second connecting

piece

8, 3 fast extrusion infusion bag promptly.

In one embodiment, referring to fig. 1, two transmission assemblies are provided, and two transmission assemblies are respectively disposed on two sides of the central rod 4.

Set up two transmission assembly through the both sides at well core rod 4 for first connecting piece 7 is more stable at the removal in-process, thereby makes extruded article 3 more steady when extrudeing infusion bag, because both sides all are equipped with transmission assembly, can avoid only leading to the condition of extruded article 3 slope when one side is equipped with transmission assembly.

In one embodiment, referring to fig. 1, the device further includes a first resetting assembly and a second resetting assembly, the first resetting assembly includes a first spring 13, a second spring and a limiting member 14, the limiting member 14 is fixed at the first end of the central rod 4, the inner diameter of the first spring 13 is greater than the outer diameter of the second spring, the second spring is sleeved on the central rod 4, and two ends of the second spring are respectively abutted to the limiting member 14 and the first moving member 5.

In the closing process of the first cover body 1 and the second cover body 2, the first moving part 5 and the second moving part 6 are far away from each other, at the moment, the first spring 13 and the second spring store elastic potential energy, when the first cover body 1 and the second cover body 2 are completely closed, the first spring 13 and the second spring recover deformation and release the elastic potential energy, so that the first moving part 5 approaches to the second moving part 6 under the action of the first spring 13 and the second spring, and the second reset assembly and the first reset assembly are of the same structure and are symmetrically arranged with the first reset assembly and used for driving the second moving part 6 to approach to the first moving part 5;

preferably, the first spring 13 has an elastic modulus of 16.1N/mm, a wire diameter of 2mm, a helical direction of leftward, an outer diameter of 12.8mm, a free length of 40.9mm, a load of 30mm of 161N, a load of 24mm of 252N, total turns/effective turns of 10.55/8.55 turns, respectively, and is made of SWOSC-V, the second spring has an elastic modulus of 7.75N/mm, a wire diameter of 1.4mm, a helical direction of rightward, an outer diameter of 8mm, a free length of 34.85mm, a load of 30mm of 4.5N, a load of 24mm of 106.7N, total turns/effective turns of 14.5/12.5 turns, respectively, and is made of SWOSC-V;

in one embodiment, referring to fig. 1, the first spring 13 is coiled in a direction opposite to the direction of the second spring.

By arranging the direction of the spiral of the first spring 13 opposite to the direction of the spiral of the second spring, it is possible to maintain the normal operation of one of the springs when the other fails under the influence of an external force.

In one embodiment, referring to fig. 2, a transparent portion 15 is disposed on a side surface of the first cover body 1, and a liquid level scale 16 is disposed on the transparent portion 15.

The remaining liquid medicine amount of the infusion bag in the first cover body 1 can be conveniently observed through the liquid level scale mark 16, and the replacement and the supplement are convenient in time.

In one embodiment, referring to fig. 2, a first thread is provided on an inner wall of the second cover 2, a second thread is provided on an outer wall of the first cover 1, and the first thread is matched with the second thread.

The first cover body 1 is connected with the second cover body 2 through the matching of the first threads and the second threads, so that the situation that the first cover body 1 is separated from the second cover body 2 when the infusion bag is extruded by the first reset component and the second reset component driving extrusion piece 3 after the first cover body 1 and the second cover body 2 are completely closed can be avoided, and the supporting force is provided for the infusion bag.

Example two:

referring to fig. 2, the present embodiment provides a urethral manometry water injection system, including:

the infusion pump in the first embodiment; and

the infusion bag comprises a first pipeline 17, a connecting pipe 18 and a second pipeline 19, wherein two ends of the first pipeline 17 are respectively connected with an infusion bag and a first end of the connecting pipe 18, a second end of the connecting pipe 18 is connected with a first end of the second pipeline 19, an injection opening is formed in one side of the connecting pipe 18, an injection cover 20 is arranged on the injection opening, and a second end of the second pipeline 19 is connected with a Ruhr connector 21; and

a switch clamp 22, said switch clamp 22 being arranged on said second pipe 19; and

a flow controller 23, wherein the flow controller 23 is disposed on the second pipeline 19 and between the luer 21 and the switch clamp 22.

Through the infusion bag intercommunication of first pipeline 17 in with connecting pipe 18 and the transfer pump, close switch clamp 22, open injection lid 20, through injection mouth and first pipeline 17 infusion liquid medicine of infusing into the bag, after finishing injecting into, close injection lid 20, avoid the bacterium to get into, afterwards, put into the inboard of first lid 1 with infusion bag, cooperation through first screw thread and second screw thread, with first lid 1 screw in second lid 2, close the back when both are closed completely, the transfer pump begins to work, open switch clamp 22, make the liquid medicine pour into the urethra into through luer 21 on the second pipeline 19, can further adjust the water injection pressure measurement flow of the liquid medicine that flows in the second pipeline 19 through flow controller 23, thereby make this urethra pressure measurement system's application scope wider.

In one embodiment, referring to fig. 2, the joint cover 24 is further included, and the joint cover 24 is disposed at the second end of the second pipeline 19.

By providing the joint cover 24, the second end of the second pipe 19 is closed by the joint cover 24 when not needed for use, thereby further preventing bacteria from entering the second pipe 19.

In one embodiment, referring to fig. 2, the medical fluid control device further includes a medical fluid filter 25, and the medical fluid filter 25 is disposed on the second pipeline 19 and located between the switch clamp 22 and the flow controller 23.

The safety of the medical liquid in the infusion pump is maintained by providing the medical liquid filter 25 to filter the medical liquid discharged from the infusion pump.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Various other modifications and alterations will occur to those skilled in the art upon reading the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. An infusion pump, comprising:

the first moving part and the second moving part are connected with the first connecting part and the second connecting part through the transmission assembly, when the first moving part and the second moving part are close to each other, the first connecting part and the second connecting part are far away from each other to extrude the infusion bag, and when the first moving part and the second moving part are far away from each other, the first connecting part and the second connecting part are close to each other.

2. The infusion pump according to claim 1, wherein said transmission assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, both ends of said first connecting rod are respectively hinged with a first connecting member and said first moving member, both ends of said second connecting rod are respectively hinged with a first moving member and said second connecting member, both ends of said third connecting rod are respectively hinged with said second connecting member and said second moving member, both ends of said fourth connecting rod are respectively hinged with said second moving member and said first connecting member.

3. The infusion pump according to claim 1, wherein there are two of said drive units, and two of said drive units are disposed on either side of said central rod.

4. The infusion pump according to claim 1, further comprising a first reset assembly and a second reset assembly, wherein said first reset assembly comprises a first spring, a second spring and a limiting member, said limiting member is fixed at the first end of said central rod, the inner diameter of said first spring is larger than the outer diameter of said second spring, said second spring is sleeved on said central rod, and the two ends of said second spring are respectively abutted to said limiting member and said first moving member.

5. An infusion pump according to claim 4, wherein the direction of the spiral of said first spring is opposite to the direction of the spiral of said second spring.

6. The infusion pump according to claim 1, wherein a transparent portion is formed on a side surface of the first cover, and a liquid level scale is formed on the transparent portion.

7. The infusion pump according to claim 1, wherein the second cap has a first thread on an inner wall thereof and a second thread on an outer wall thereof, the first thread engaging with the second thread.

8. A urethral manometry water injection system, comprising:

the infusion pump according to any one of claims 1-7; and

a switch clamp disposed on the second pipeline; and

a flow controller disposed on the second conduit and located between the luer and the switch clamp.

9. The urethral manometry water injection system according to claim 8, further comprising a joint cap disposed at the second end of the second tube.

10. The urethral pressure testing water injection system according to claim 8, further comprising a liquid medicine filter disposed on the second line between the switch clamp and the flow controller.