CN212996636U - Adjustable stone removal sacculus - Google Patents
Adjustable stone removal sacculus Download PDFInfo
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- CN212996636U CN212996636U CN202021466517.7U CN202021466517U CN212996636U CN 212996636 U CN212996636 U CN 212996636U CN 202021466517 U CN202021466517 U CN 202021466517U CN 212996636 U CN212996636 U CN 212996636U
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- balloon
- adjustable
- catheter
- pushing mechanism
- sacculus
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Abstract
The utility model relates to the field of medical equipment, concretely relates to adjustable calculus removal sacculus. An adjustable lithotomy balloon comprises a balloon, a catheter, a pushing mechanism and a balloon filling opening; one end of the catheter is coated with a balloon, and the other end of the catheter is provided with a pushing mechanism; the balloon filling opening is arranged between the balloon and the pushing mechanism and used for injecting and discharging air or normal saline. Adopt the utility model discloses an adjustable stone sacculus of getting not only plays sealed and fixed action to the sacculus through setting up push mechanism, can also adjust the size of sacculus simultaneously, and the device operation is very simple, has simplified operation process, has guaranteed treatment process's stability.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to adjustable calculus removal sacculus.
Background
The lithotomy balloon is a common accessory instrument when ERCP lithotomy is performed. The stone-taking saccule belongs to a catheter-shaped medical apparatus, and the inflatable saccule is fixed at the far end of a catheter. Prior to use, the balloon is in a deflated and folded state. Generally, in an operation, a calculus removing balloon is pushed to a narrow part along a duodenoscope lumen under the guidance of a guide wire, then a pressure device is filled in the balloon outside a catheter tail end connector to enable the balloon wall to be completely attached to the inner wall of a bile duct and the like, and a doctor drags the calculus in vitro by developing the calculus removing balloon to separate the calculus from a focus part of the biliary duct.
The treatment method comprises the steps of firstly conveying the saccule to a diseased part, expanding the saccule to enable the lumen of the diseased part to be expanded to realize pre-expansion so as to prepare for completing the treatment of the stenotic diseases; the operation process of the treatment scheme is very complicated, so that the time of the whole operation process is increased, and the physical health of patients and operators is influenced. Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an adjustable lithotomy balloon capable of simplifying the surgical procedure.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, a first aspect of the present invention provides an adjustable lithotomy balloon, which comprises a balloon, a catheter, a pushing mechanism, and a balloon filling opening; one end of the catheter is coated with a balloon, and the other end of the catheter is provided with a pushing mechanism; the balloon filling opening is arranged between the balloon and the pushing mechanism and used for injecting and discharging air or normal saline.
In order to better realize the utility model discloses a purpose is provided with the sufficient mouth of sacculus between sacculus and push mechanism, and the one end of sacculus is kept away from relatively to the position that this sacculus was sufficient mouthful, and is closer push mechanism's one end, and on the one hand makes things convenient for injected water or air, and on the other hand usable push mechanism plays sealed effect, prevents leaking of water or air.
In a preferred or alternative embodiment, a water delivery channel and an output channel are provided within the conduit.
In a preferred or alternative embodiment, the water delivery passage communicates between the balloon and the balloon inflation port.
In a preferred or alternative embodiment, the water delivery channel and the outlet channel are arranged concentrically, and the outlet channel has a smaller inner diameter than the water delivery channel.
Generally, in order to avoid compression injury to a patient caused by too fast shrinkage of the balloon during water pumping, the inner diameter of the output channel is smaller than that of the water delivery channel as much as possible, so that water in the balloon flows out slowly.
In a preferred or alternative embodiment, the pushing mechanism comprises an outer rotating support and an inner rotating support in threaded fit with the outer rotating support, and the tightness of the pushing mechanism can be adjusted by rotating the outer rotating support.
The outer rotary support is provided with internal threads, and the inner rotary support is provided with external threads; the external rotating support can move back and forth through thread matching, when the external rotating support is screwed, the compression piece moves towards the direction close to the elastic sealing piece to extrude the elastic sealing piece, so that the elastic sealing piece deforms to play a role in fastening and sealing, water or air in the balloon cannot leak out, and the stability of the stone removal balloon is maintained; when the external rotation support is unscrewed, the compression piece loses the extrusion effect on the elastic sealing piece, so that water or air in the balloon leaks to a certain degree, when the balloon reaches a required state, the external rotation support can be screwed again to realize sealing, and finally adjustability is realized.
In a preferred or alternative embodiment, an elastic sealing element is arranged in the inner rotating support, and a compression element is arranged in the outer rotating support; the compression piece is pressed on the elastic sealing piece.
The elastic sealing element and the compression element are both of circular structures and are respectively fixed on the inner rotating support and the outer rotating support.
In a preferred or alternative embodiment, the resilient seal is a compressible rubber or silicone.
In a preferred or alternative embodiment, the compression member is a metal compression ring.
In a preferred or alternative embodiment, the catheter is further provided with a guidewire inlet.
In a preferred or alternative embodiment, the balloon is made of polyurethane.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides an adjustable stone sacculus of getting adopts the utility model discloses an adjustable stone sacculus of getting not only plays sealed and fixed action to the sacculus through setting up push mechanism, can also adjust the size of sacculus simultaneously, and the device operation is very simple, has simplified operation process, has guaranteed treatment process's stability.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a catheter of an adjustable lithotomy balloon according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an adjustable calculus removing balloon according to embodiment 1 of the present invention;
the numbering in the figure is as follows:
1. a balloon; 2. a conduit; 21. a water delivery channel; 22. an output channel; 3. a pushing mechanism; 31. an outer rotating support; 32. an inner rotating support; 33. an elastomeric seal; 34. a compression member; 4. balloon inflation; 5. a guidewire inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical features of the technical solution provided by the present invention are further clearly and completely described below with reference to the specific embodiments.
Example 1
As shown in fig. 1 and 2, embodiment 1 of the present invention provides an adjustable lithotomy balloon, including a balloon 1, a catheter 2, a pushing mechanism 3, and a balloon filling port 4; one end of the catheter 2 is coated with a balloon 1, and the other end is provided with a pushing mechanism 3; the balloon filling opening 4 is arranged between the balloon 1 and the pushing mechanism 3 and is used for injecting and discharging air or normal saline; this sacculus is full of the position of mouthful 4 and is kept away from the one end of sacculus 1 relatively, and is closer the one end of push mechanism 3, and first one makes things convenient for injected water or air, and second one is usable push mechanism to play sealed effect, prevents leaking of water or air.
A water delivery channel 21 and an output channel 22 are arranged in the catheter 2, the water delivery channel 21 is communicated with the balloon 1 and the balloon filling opening 4, the water delivery channel 21 and the output channel 22 are concentrically arranged, and the inner diameter of the output channel 22 is smaller than that of the water delivery channel 21.
The pushing mechanism 3 comprises an outer rotating support 31 and an inner rotating support 32 in threaded fit with the outer rotating support 31, and the tightness of the pushing mechanism 3 can be adjusted by rotating the outer rotating support 31; an elastic sealing element 33 is arranged in the inner rotating support 32, and a compression element 34 is arranged in the outer rotating support 31; the compression piece 34 is pressed on the elastic sealing piece 33; the elastic sealing element 33 and the compression element 34 are both circular structures and are respectively fixed on the inner rotating support 32 and the outer rotating support 31; the elastic sealing element 33 is silica gel; the compression member 34 is a metal compression ring;
the outer rotary support 31 is provided with internal threads, and the inner rotary support 32 is provided with external threads; the external rotation support 31 can move back and forth through thread matching, when the external rotation support 31 is screwed, the compression piece 34 moves towards the direction close to the elastic sealing piece 33 to extrude the elastic sealing piece 33, so that the elastic sealing piece is deformed to play a role in fastening and sealing, water or air in the balloon 1 cannot leak, and the stability of the calculus removal balloon is maintained; when the external rotation support 31 is unscrewed, the compression piece 34 loses the extrusion effect on the elastic sealing piece 33, so that water or air in the balloon 1 leaks out to a certain degree, when the balloon 1 reaches a required state, the external rotation support 31 can be screwed again to realize sealing, and finally adjustability is realized.
The catheter 2 is also provided with a guide wire inlet 5; the balloon 1 is made of polyurethane.
When the adjustable balloon is used, the adjustable balloon can be pushed into a bile duct through a clamping duct channel of a choledochoscope, then a guide wire is placed through a guide wire inlet 5, the guide wire is pushed under the observation of the choledochoscope, the balloon is introduced into a narrow part, the outer rotating support 31 is screwed, the normal saline is injected from the balloon filling opening 4, at the moment, the balloon 1 starts to expand, and the balloon is expanded to a proper state through the screwing or unscrewing of the outer rotating support 31 to start a subsequent operation.
Claims (10)
1. An adjustable lithotomy balloon comprises a balloon, a catheter, a pushing mechanism and a balloon filling opening; the device is characterized in that one end of the catheter is coated with a saccule, and the other end of the catheter is provided with a pushing mechanism; the balloon filling opening is arranged between the balloon and the pushing mechanism and used for injecting and discharging air or normal saline.
2. The adjustable lithotomy balloon of claim 1, wherein a water delivery channel and an output channel are provided in said catheter.
3. The adjustable lithotomy balloon of claim 2, wherein said water delivery channel communicates between the balloon and the balloon inflation port.
4. The adjustable lithotomy balloon of claim 3, wherein said water delivery channel and said output channel are concentrically arranged, and wherein the output channel has a smaller inner diameter than the water delivery channel.
5. The adjustable lithotomy balloon of any one of claims 1-4, wherein the pushing mechanism comprises an outer rotating support and an inner rotating support in threaded fit with the outer rotating support, and the tightness of the pushing mechanism can be adjusted by rotating the outer rotating support.
6. The adjustable lithotomy balloon of claim 5, wherein an elastic sealing member is arranged in said inner rotary support, and a compression member is arranged in said outer rotary support; the compression piece is pressed on the elastic sealing piece.
7. The adjustable lithotomy balloon of claim 6, wherein said elastic seal is a compressible rubber or silicone.
8. The adjustable lithotomy balloon of claim 7, wherein said compression member is a metal compression ring.
9. The adjustable lithotomy balloon of claim 1, wherein said catheter is further provided with a guidewire inlet.
10. The adjustable lithotomy balloon of claim 9, wherein said balloon is made of polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021466517.7U CN212996636U (en) | 2020-07-21 | 2020-07-21 | Adjustable stone removal sacculus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021466517.7U CN212996636U (en) | 2020-07-21 | 2020-07-21 | Adjustable stone removal sacculus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212996636U true CN212996636U (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021466517.7U Active CN212996636U (en) | 2020-07-21 | 2020-07-21 | Adjustable stone removal sacculus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212996636U (en) |
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2020
- 2020-07-21 CN CN202021466517.7U patent/CN212996636U/en active Active
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