CN220025844U - Flexible ureter guiding sheath with head end pressure control structure and independent water injection passage - Google Patents
Flexible ureter guiding sheath with head end pressure control structure and independent water injection passage Download PDFInfo
- Publication number
- CN220025844U CN220025844U CN202321426547.9U CN202321426547U CN220025844U CN 220025844 U CN220025844 U CN 220025844U CN 202321426547 U CN202321426547 U CN 202321426547U CN 220025844 U CN220025844 U CN 220025844U
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- Prior art keywords
- sheath
- water injection
- joint
- independent water
- wedge block
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 210000000626 ureter Anatomy 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 50
- 230000009471 action Effects 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a bendable ureter guiding sheath with an independent water injection passage at a head end pressure control structure, and belongs to the technical field of ureter guiding sheaths. This flexible ureter guiding sheath of head end accuse pressure structure area independent water injection passageway includes sheath pipe, feed liquor chamber, flowing back chamber, joint and joint subassembly, the sheath pipe includes first straight tube, second straight tube and return bend, the return bend is installed between first straight tube and second straight tube, feed liquor chamber and flowing back chamber are seted up at the sheath pipe inner chamber. According to the utility model, the clamping assembly is arranged, the sheath pipe is inserted into the connecting sleeve, the first sealing ring is abutted against the second sealing ring, the second wedge block is driven to move forwards under the action of the spring, the first wedge block is driven to move downwards, the clamping block is driven to be clamped on the surface of the sheath pipe, and the connection between the sheath pipe and the connector can be completed; when the sheath tube is disassembled, the deflector rod is shifted backwards to compress the spring, the second wedge block is separated from the first wedge block, the sheath tube can be pulled out of the joint, the split type design is realized, and the use cost is reduced.
Description
Technical Field
The utility model relates to the field of ureter guiding sheaths, in particular to a bendable ureter guiding sheath with a head end pressure control structure and an independent water injection passage.
Background
Ureteral access sheath is a medical device used in the treatment and diagnosis of the urinary system that can help a physician accurately place a catheter into the ureter in a patient. Ureteral introducers are typically composed of a flexible and smooth catheter and a high-visibility catheter track. In operation, the physician places the catheter into the patient's urethra, then advances it up through the catheter track until it reaches the ureteral orifice, and finally inserts the catheter into it to complete the treatment or removal of kidney stones, etc.
For convenient operation, the sheath tube joint and the expander joint of the ureter guiding sheath are usually clamped and fixed by a clamping piece, the existing sheath tube is generally fixedly connected with the joint, and the ureter guiding sheath cannot be detached, has a simple structure and a single function and cannot be independently replaced.
Disclosure of Invention
In order to overcome the above disadvantages, the present utility model provides a flexible ureteral introducer sheath with an independent water injection passage for a head end pressure control structure that overcomes or at least partially solves the above-described technical problems.
The utility model is realized in the following way:
the utility model provides a bendable ureter guiding sheath with an independent water injection passage in a head end pressure control structure, which comprises a sheath tube, a liquid inlet cavity, a liquid outlet cavity, a connector and a clamping assembly, wherein the sheath tube comprises a first straight tube, a second straight tube and an elbow, the elbow is arranged between the first straight tube and the second straight tube, the liquid inlet cavity and the liquid outlet cavity are arranged in the inner cavity of the sheath tube, the connector is sleeved at one end of the sheath tube, and the clamping assembly comprises
The connecting sleeve is fixedly arranged at one end of the joint;
the clamping blocks are symmetrically and slidably arranged in the inner cavity of the connecting sleeve, and the upper parts of the clamping blocks are fixedly provided with first wedge-shaped blocks;
the second wedge block is slidably arranged in the inner cavity of the connecting sleeve and is abutted with the first wedge block.
In a preferred scheme, a first sealing ring is fixedly arranged at one end of the sheath tube, a second sealing ring is fixedly arranged in the inner cavity of the joint, and the first sealing ring is abutted with the second sealing ring.
In a preferred scheme, the side walls of the second wedge-shaped blocks are symmetrically and fixedly provided with sliding blocks, and the sliding blocks are in sliding connection with the connecting sleeve.
In a preferred scheme, a pull rod is fixedly arranged at one end of the second wedge-shaped block, a spring is sleeved on the surface of the pull rod, one end of the spring is abutted with the connecting sleeve, and the other end of the spring is abutted with the second wedge-shaped block.
In a preferred scheme, a deflector rod is fixedly arranged at one end of the pull rod.
In a preferred embodiment, the sheath lumen is fitted with a dilation tube.
In a preferred scheme, a liquid outlet hole and a liquid suction hole are formed in one end of the sheath tube, the liquid outlet hole is communicated with the liquid inlet cavity, and the liquid suction hole is communicated with the liquid discharge cavity.
In a preferred scheme, the side wall of the sheath tube is communicated with a liquid inlet pipe and a liquid suction pipe, the liquid inlet pipe is communicated with the liquid inlet cavity, and the liquid suction pipe is communicated with the liquid discharge cavity.
In a preferred scheme, a clamping table is fixedly arranged at one end of the connector, and a bracelet is fixedly arranged on the side wall of the connector.
The utility model provides a bendable ureter guiding sheath with an independent water injection passage for a head end pressure control structure, which has the beneficial effects that:
1. the clamping assembly is arranged, the sheath pipe is inserted into the connecting sleeve, the first sealing ring is abutted against the second sealing ring, and the second wedge block is driven to move forwards under the action of the spring, so that the first wedge block is driven to move downwards, the clamping block is driven to be clamped on the surface of the sheath pipe, and the connection between the sheath pipe and the connector can be completed; when the sheath tube is disassembled, the deflector rod is shifted backwards to compress the spring, the second wedge block is separated from the first wedge block, and the sheath tube can be pulled out of the joint, so that the split type design is realized, and the use cost is reduced.
2. Through setting up feed liquor chamber and flowing back chamber, the accessible feed liquor pipe carries out independent water injection to the feed liquor chamber, carries out independent flowing back through the pipette, makes things convenient for operation.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a perspective view provided by an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a sheath according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of a cross-sectional structure according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of FIG. 3A according to an embodiment of the present utility model;
in the figure: 1. a sheath; 101. a first straight tube; 102. a second straight tube; 103. bending the pipe; 2. expanding the tube; 3. a liquid inlet cavity; 4. a liquid outlet hole; 5. a liquid inlet pipe; 6. a liquid discharge cavity; 7. a liquid suction hole; 8. a pipette; 9. a joint; 10. a clamping table; 11. a bracelet; 12. a clamping assembly; 1201. connecting sleeves; 1202. a first seal ring; 1203. a second seal ring; 1204. a clamping block; 1205. a first wedge block; 1206. a second wedge block; 1207. a slide block; 1208. a pull rod; 1209. a spring; 1210. a deflector rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a flexible ureter guiding sheath of head end accuse pressure structure area independent water injection passageway, includes sheath pipe 1, feed liquor chamber 3, flowing back chamber 6, connects 9 and joint subassembly 12, and sheath pipe 1 includes first straight tube 101, second straight tube 102 and return bend 103, and return bend 103 installs between first straight tube 101 and second straight tube 102, can realize crooked during the use, and expansion pipe 2 is installed to sheath pipe 1 inner chamber.
Referring to fig. 1-3, in a preferred embodiment, the liquid inlet cavity 3 and the liquid outlet cavity 6 are formed in the inner cavity of the sheath tube 1 and are used for injecting water and discharging liquid, the joint 9 is sleeved at one end of the sheath tube 1 and is used for connecting the sheath tube 1, the liquid outlet hole 4 and the liquid suction hole 7 are formed in one end of the sheath tube 1, the liquid outlet hole 4 is communicated with the liquid inlet cavity 3, the liquid suction hole 7 is communicated with the liquid outlet cavity 6, the side wall of the sheath tube 1 is communicated with the liquid inlet pipe 5 and the liquid suction pipe 8, the liquid suction pipe 8 is communicated with the liquid outlet cavity 6, when the surgical operation is convenient, the liquid inlet cavity 3 can be injected independently through the liquid inlet pipe 5, the liquid suction pipe 8 can be used for discharging liquid independently, the clamping table 10 is fixedly mounted at one end of the joint 9, the hand ring 11 is fixedly mounted on the side wall of the joint 9.
Referring to fig. 1-4, in a preferred embodiment, the clamping assembly 12 includes a connecting sleeve 1201, a clamping block 1204 and a second wedge block 1206, the connecting sleeve 1201 is fixedly installed at one end of the joint 9, the clamping block 1204 is symmetrically and slidably installed in an inner cavity of the connecting sleeve 1201, a first wedge block 1205 is fixedly installed at an upper portion of the clamping block 1204, the second wedge block 1206 is slidably installed in the inner cavity of the connecting sleeve 1201, the second wedge block 1206 is abutted with the first wedge block 1205, a first sealing ring 1202 is fixedly installed at one end of the sheath 1, a second sealing ring 1203 is fixedly installed in the inner cavity of the joint 9, and the first sealing ring 1202 is abutted with the second sealing ring 1203, so that tightness is improved.
Referring to fig. 1-4, in a preferred embodiment, a sliding block 1207 is symmetrically and fixedly installed on a side wall of a second wedge 1206, the sliding block 1207 is slidably connected with a connecting sleeve 1201, a pull rod 1208 is fixedly installed at one end of the second wedge 1206, a spring 1209 is sleeved on the surface of the pull rod 1208, one end of the spring 1209 is abutted to the connecting sleeve 1201, the other end of the spring 1209 is abutted to the second wedge 1206, and a deflector rod 1210 is fixedly installed at one end of the pull rod 1208.
In a preferred scheme, when in use, the sheath tube 1 is inserted into the connecting sleeve 1201, the first sealing ring 1202 is abutted against the second sealing ring 1203, and the second wedge-shaped block 1206 is driven to move forwards under the action of the spring 1209, so that the first wedge-shaped block 1205 is driven to move downwards, the clamping block 1204 is driven to be clamped on the surface of the sheath tube 1, and the connection between the sheath tube 1 and the joint 9 can be completed; when the sheath tube 1 is disassembled, the poking rod 1210 is poked backwards to compress the spring 1209, the second wedge block 1206 is separated from the first wedge block 1205, and the sheath tube 1 can be pulled out of the joint 9, so that the split type design is realized, and the use cost is reduced.
Specifically, the working process or working principle of the bendable ureter guiding sheath with the head end pressure control structure provided with the independent water injection passage is as follows: when in use, the sheath tube 1 is inserted into the connecting sleeve 1201, the first sealing ring 1202 is abutted against the second sealing ring 1203, and the second wedge-shaped block 1206 is driven to move forwards under the action of the spring 1209, so that the first wedge-shaped block 1205 is driven to move downwards, the clamping block 1204 is driven to be clamped on the surface of the sheath tube 1, and the connection between the sheath tube 1 and the joint 9 can be completed; when the sheath tube 1 is disassembled, the poking rod 1210 is poked backwards to compress the spring 1209, the second wedge block 1206 is separated from the first wedge block 1205, and the sheath tube 1 can be pulled out of the joint 9, so that the split type design is realized, and the use cost is reduced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a flexible ureter guiding sheath of head end accuse pressure structure area independent water injection passageway, its characterized in that, including sheath pipe (1), feed liquor chamber (3), flowing back chamber (6), joint (9) and joint subassembly (12), sheath pipe (1) include first straight tube (101), second straight tube (102) and return bend (103), return bend (103) are installed between first straight tube (101) and second straight tube (102), feed liquor chamber (3) and flowing back chamber (6) are seted up at sheath pipe (1) inner chamber, joint (9) cup joint in sheath pipe (1) one end, joint subassembly (12) include
The connecting sleeve (1201) is fixedly arranged at one end of the joint (9);
the clamping blocks (1204) are symmetrically and slidably arranged in the inner cavity of the connecting sleeve (1201), and a first wedge block (1205) is fixedly arranged at the upper part of the clamping blocks (1204);
the second wedge block (1206), second wedge block (1206) slidable mounting is at adapter sleeve (1201) inner chamber, second wedge block (1206) and first wedge block (1205) looks butt.
2. The flexible ureteral introducer sheath with the independent water injection passage for the head-end pressure control structure according to claim 1, wherein a first sealing ring (1202) is fixedly installed at one end of the sheath tube (1), a second sealing ring (1203) is fixedly installed in an inner cavity of the joint (9), and the first sealing ring (1202) is abutted against the second sealing ring (1203).
3. The flexible ureteral introducer sheath with the independent water injection passage for the head-end pressure control structure according to claim 1, wherein sliding blocks (1207) are symmetrically and fixedly arranged on the side walls of the second wedge-shaped block (1206), and the sliding blocks (1207) are in sliding connection with the connecting sleeve (1201).
4. The flexible ureteral introducer sheath with the independent water injection passage of the head-end pressure control structure according to claim 1, wherein a pull rod (1208) is fixedly installed at one end of the second wedge block (1206), a spring (1209) is sleeved on the surface of the pull rod (1208), one end of the spring (1209) is abutted to the connecting sleeve (1201), and the other end of the spring (1209) is abutted to the second wedge block (1206).
5. The flexible ureteral introducer sheath with the independent water injection passage for the head-end pressure control structure according to claim 4, characterized in that a deflector rod (1210) is fixedly installed at one end of the pull rod (1208).
6. The flexible ureteral introducer sheath with the independent water injection passage for the head-end pressure control structure according to claim 1, wherein the inner cavity of the sheath tube (1) is provided with an expansion tube (2).
7. The flexible ureter guiding sheath with the independent water injection passage for the head end pressure control structure according to claim 1, wherein a liquid outlet hole (4) and a liquid suction hole (7) are formed in one end of the sheath tube (1), the liquid outlet hole (4) is communicated with the liquid inlet cavity (3), and the liquid suction hole (7) is communicated with the liquid discharge cavity (6).
8. The flexible ureteral introducer sheath with the independent water injection passage for the head-end pressure control structure according to claim 1, wherein a liquid inlet pipe (5) and a liquid suction pipe (8) are communicated with the side wall of the sheath pipe (1), the liquid inlet pipe (5) is communicated with the liquid inlet cavity (3), and the liquid suction pipe (8) is communicated with the liquid discharge cavity (6).
9. The flexible ureteral introducer sheath with the independent water injection passage for the head-end pressure control structure according to claim 1, wherein a clamping table (10) is fixedly arranged at one end of the joint (9), and a bracelet (11) is fixedly arranged on the side wall of the joint (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426547.9U CN220025844U (en) | 2023-06-06 | 2023-06-06 | Flexible ureter guiding sheath with head end pressure control structure and independent water injection passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426547.9U CN220025844U (en) | 2023-06-06 | 2023-06-06 | Flexible ureter guiding sheath with head end pressure control structure and independent water injection passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220025844U true CN220025844U (en) | 2023-11-17 |
Family
ID=88732316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321426547.9U Active CN220025844U (en) | 2023-06-06 | 2023-06-06 | Flexible ureter guiding sheath with head end pressure control structure and independent water injection passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220025844U (en) |
-
2023
- 2023-06-06 CN CN202321426547.9U patent/CN220025844U/en active Active
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| GR01 | Patent grant | ||
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