CN220898750U - Binary channels guiding sheath - Google Patents
Binary channels guiding sheath Download PDFInfo
- Publication number
- CN220898750U CN220898750U CN202321342361.5U CN202321342361U CN220898750U CN 220898750 U CN220898750 U CN 220898750U CN 202321342361 U CN202321342361 U CN 202321342361U CN 220898750 U CN220898750 U CN 220898750U
- Authority
- CN
- China
- Prior art keywords
- channel
- negative pressure
- outer sheath
- pressure suction
- sheath tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004575 stone Substances 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract 4
- 238000007789 sealing Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
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- Endoscopes (AREA)
Abstract
The utility model discloses a double-channel guiding sheath, which comprises an outer sheath tube, wherein a broken stone channel is arranged at the bottom of the outer sheath tube, the outer sheath tube and the broken stone channel are arranged side by side and are connected to a negative pressure suction joint through a conversion joint, a through hole is formed in the bottom of the outer sheath tube, one end of the broken stone channel is coated at the through hole, and the conversion joint is detachably connected with the negative pressure suction joint. The bottom of the outer sheath tube is provided with a gravel channel which is communicated with the outer sheath tube, and the outer sheath tube is provided with a through hole. The endoscope enters the outer sheath tube to detect, when the stone is required to be removed, the endoscope does not need to completely withdraw from the outer sheath tube, and only needs to be withdrawn to the through hole, then stone removal is carried out, broken stone can enter the stone removal channel from the through hole, and the operation is convenient and fast when the endoscope reenters, so that the convenience is improved.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a double-channel guide sheath.
Background
The guiding sheath consists of a sheath tube, an expansion tube and a luer connector, and the product is suitable for being used for establishing a channel for instruments such as an endoscope to enter the urinary tract in urinary surgery. When the guide sheath is used, most of the sheath pipes are positioned in a human body, a treatment target is found in the human body through the endoscope, and then the endoscope is withdrawn and then treated by using a treatment instrument. However, when the current guiding sheath is used for finding the target object, the endoscope needs to be completely withdrawn to perform the stone extraction operation of stone breaking negative pressure suction, then the endoscope needs to be reinserted into the outer sheath tube to find a new target, and the stone extraction and the endoscope are realized by using one channel, so that the stone extraction step is relatively complicated.
Disclosure of utility model
In order to make up for the defects of the prior art, the utility model provides a technical scheme of an introducer sheath with double channels.
A binary channels guiding sheath, including the outer sheath pipe, the bottom of outer sheath pipe is provided with the rubble passageway, the outer sheath pipe with the rubble passageway sets up side by side to be connected to negative pressure suction joint through the crossover sub jointly, the bottom of outer sheath pipe is provided with the through-hole, the one end cladding of rubble passageway is in through-hole department, the crossover sub with be detachable connection between the negative pressure suction joint.
Furthermore, the adapter is of a tubular structure, and the outer sheath tube is aligned with the rear end part of the crushed stone channel, inserted into the adapter and fixedly connected with a conical connecting seat arranged in the adapter.
Further, the conical connecting seat is arranged at one end of the inner cavity of the adapter, the other end of the conical connecting seat is provided with clamping convex points, and the clamping convex points are uniformly distributed in a circular array and are arranged on the inner wall of the adapter.
Further, the front end of the negative pressure suction connector is provided with a connecting end, and the outer wall of the connecting end is provided with a clamping convex ring.
Further, the diameter of the conical connecting seat is gradually increased from inside to outside;
The joint bulge loop sets up keeping away from the link terminal surface is at least A millimeter, the joint bump with the terminal surface and the bottom face interval of toper connecting seat are B, C millimeter respectively, and B < A < C.
Further, after the connecting end is connected with the adapter, the inner wall of the connecting end is attached to the outer wall of the conical connecting seat, and the clamping convex ring moves from the surface of the clamping convex point until the clamping convex point is crossed.
Further, the outer sheath is an endoscope channel.
Further, the negative pressure suction connector comprises a connecting pipe and a pipe orifice, a sealing cap is sleeved at the pipe orifice, and the sealing cap is fixed on the negative pressure suction connector through a binding belt.
Further, an opening is formed in the upper portion of the negative pressure suction connector, the connecting pipe is connected with the negative pressure suction device, and the negative pressure suction connector is controlled to conduct negative pressure suction on the outer sheath pipe and the crushed stone channel through closing the opening.
Compared with the prior art, the utility model has the following advantages:
The bottom of the outer sheath tube is provided with a gravel channel which is communicated with the outer sheath tube, and the outer sheath tube is provided with a through hole. The endoscope enters the outer sheath tube to detect, when the stone is required to be removed, the endoscope does not need to completely withdraw from the outer sheath tube, and only needs to be withdrawn to the through hole, then stone removal is carried out, broken stone can enter the stone removal channel from the through hole, and the operation is convenient and fast when the endoscope reenters, so that the convenience is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is an assembly schematic of the adapter.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
1-2, A dual-channel introducer sheath comprises an outer sheath tube 1, wherein the outer sheath tube 1 is an endoscope channel. The bottom of sheath pipe 1 is provided with rubble passageway 4, and sheath pipe 1 sets up side by side with rubble passageway 4 to be connected to negative pressure suction joint 2 jointly through adapter 3, the bottom of sheath pipe 1 is provided with through-hole 11, and the one end cladding of rubble passageway 4 is in through-hole 11 departments, is detachable connection between adapter 3 and the negative pressure suction joint 2. The adapter 3 is of a tubular structure, and the outer sheath tube 1 is aligned with the arranged rear end parts of the crushed stone channels 4, inserted into the adapter 3 and fixedly connected with a conical connecting seat 31 arranged in the adapter 3.
The conical connecting seat 31 is arranged at one end of the inner cavity of the adapter 3, the other end of the conical connecting seat is provided with clamping convex points 32, and the clamping convex points 32 are uniformly distributed in a circular array and are arranged on the inner wall of the adapter 3. The front end of the negative pressure suction joint 2 is provided with a connecting end 21, and the outer wall of the connecting end is provided with a clamping convex ring 22. The diameter of the conical connecting seat 31 is gradually increased from inside to outside. The clamping convex ring 22 is arranged at least A mm away from the end face of the connecting end 21, the distances between the clamping convex point 32 and the top end face and the bottom end face of the conical connecting seat 31 are B, C mm respectively, and B is smaller than A and smaller than C. After the connection end 21 is connected with the adapter 3, the inner wall of the connection end 21 is attached to the outer wall of the conical connection seat 31, and the clamping convex ring 22 moves from the surface of the clamping convex point 32 until passing over the clamping convex point 32.
The negative pressure suction joint 2 comprises a connecting pipe 23 and a pipe orifice 24, a sealing cap 25 is sleeved at the pipe orifice 24, and the sealing cap 25 is fixed on the negative pressure suction joint 2 through a binding belt 26. An opening 27 is arranged above the negative pressure suction joint 2, the connecting pipe 23 is connected with a negative pressure suction device, and the negative pressure suction joint 2 is controlled to suck the outer sheath 1 and the crushed stone channel 4 by closing the opening 27. The opening 27 is a pressure control hole, and the opening 27 is pressed or released by a finger.
When the endoscope is actually used, firstly, the endoscope enters the body from the outer sheath tube 1 to be probed and positioned, then the endoscope is withdrawn, the endoscope is far away from the through hole 11, then the finger covers the opening 27, the negative pressure suction joint 2 is used for forming negative pressure suction on the outer sheath tube 1 and the crushed stone channel 4, and crushed stone enters the crushed stone channel 4 through the through hole after passing through the outer sheath tube 1 at the front end. With this structure, the endoscope does not need to completely withdraw the outer sheath 1 during use, thereby improving the convenience of use.
Claims (8)
1. The double-channel guiding sheath is characterized by comprising an outer sheath tube (1), wherein a broken stone channel (4) is arranged at the bottom of the outer sheath tube (1), the outer sheath tube (1) and the broken stone channel (4) are arranged side by side and are commonly connected to a negative pressure suction joint (2) through a conversion joint (3), a through hole (11) is formed in the bottom of the outer sheath tube (1), one end of the broken stone channel (4) is coated at the through hole (11), and the conversion joint (3) is detachably connected with the negative pressure suction joint (2);
An opening (27) is formed in the upper portion of the negative pressure suction joint (2), the connecting pipe (23) is connected with the negative pressure suction device, and the negative pressure suction joint (2) is controlled to conduct negative pressure suction on the outer sheath pipe (1) and the crushed stone channel (4) through closing the opening (27).
2. The dual-channel guiding sheath according to claim 1, wherein the adapter (3) is of a tubular structure, and the outer sheath tube (1) is aligned with the arranged rear end parts of the crushed stone channels (4), is inserted into the adapter (3), and is fixedly connected with a conical connecting seat (31) arranged inside the adapter (3).
3. The dual-channel guiding sheath according to claim 2, wherein the conical connecting seat (31) is arranged at one end of the inner cavity of the adapter (3), the other end of the conical connecting seat is provided with clamping convex points (32), and the clamping convex points (32) are uniformly distributed in a circular array and are arranged on the inner wall of the adapter (3).
4. A dual-channel guiding sheath according to claim 3, characterized in that the front end of the negative pressure suction connector (2) is provided with a connecting end (21), and the outer wall of the connecting end is provided with a clamping convex ring (22).
5. A two-channel introducer sheath according to claim 4, characterized in that the diameter of the tapered connection seat (31) increases from inside to outside;
The clamping convex ring (22) is arranged far away from the end face of the connecting end (21) by at least A millimeter, the distances between the clamping convex point (32) and the top end face and the bottom end face of the conical connecting seat (31) are B, C millimeter respectively, and B is smaller than A and smaller than C.
6. The dual-channel guiding sheath according to claim 5, characterized in that after the connection end (21) is connected with the adapter (3), the inner wall of the connection end (21) is attached to the outer wall of the conical connection seat (31), and the clamping convex ring (22) moves from the surface of the clamping convex point (32) until passing over the clamping convex point (32).
7. A dual channel introducer sheath according to claim 1, characterized in that the outer sheath (1) is an endoscopic channel.
8. The dual-channel guiding sheath according to claim 1, characterized in that the negative pressure suction joint (2) comprises a connecting pipe (23) and a pipe orifice (24), a sealing cap (25) is sleeved at the pipe orifice (24), and the sealing cap (25) is fixed on the negative pressure suction joint (2) through a binding belt (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342361.5U CN220898750U (en) | 2023-05-30 | 2023-05-30 | Binary channels guiding sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342361.5U CN220898750U (en) | 2023-05-30 | 2023-05-30 | Binary channels guiding sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220898750U true CN220898750U (en) | 2024-05-07 |
Family
ID=90920943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321342361.5U Active CN220898750U (en) | 2023-05-30 | 2023-05-30 | Binary channels guiding sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220898750U (en) |
-
2023
- 2023-05-30 CN CN202321342361.5U patent/CN220898750U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |