CN214595911U - Negative pressure ureteral sheath with turnable head end - Google Patents
Negative pressure ureteral sheath with turnable head end Download PDFInfo
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- CN214595911U CN214595911U CN202023140944.9U CN202023140944U CN214595911U CN 214595911 U CN214595911 U CN 214595911U CN 202023140944 U CN202023140944 U CN 202023140944U CN 214595911 U CN214595911 U CN 214595911U
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- ureteral
- drainage
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Abstract
A negative pressure ureteral sheath with a turnable head end belongs to the technical field of medical instruments. The utility model discloses to the longer problem of operation that current ureteral sheath adopted the mode of natural drainage to cause at the operation in-process. The utility model comprises a tube sheath and a drainage device, wherein the drainage device comprises a connecting tube part and a drainage tube part, the front end of the connecting tube part is sleeved at the tail part of the tube sheath, the rear end of the connecting tube part is a horn-shaped opening, and the drainage tube part is fixedly connected on the tube wall of the connecting tube part and is communicated with the inner cavity of the tube sheath; the trumpet-shaped opening is connected with an elastic sealing cap, and a through hole communicated with the ureteral sheath is formed in the elastic sealing cap; the inner cavity wall of the rear end part of the tube sheath is embedded with a spiral steel wire, and the front end of the tube sheath is arranged into a hose part. The utility model discloses a hose portion that the partial material differs behind the ureteral sheath is set up and the ureteral sheath at the front end of ureteral sheath, makes hose portion can be along with the turn and the diversion of surgical instruments operation in-process, improves drainage efficiency.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, it is relevant with a head end turnable negative pressure ureteral sheath.
Background
The ureteral sheath is used in urinary surgery, a passage convenient for an endoscope and other instruments to enter a urinary tract is established, in order to improve the service life and the inner cavity support of the ureteral sheath, a spiral steel wire is embedded in the wall of the ureteral sheath, so that the ureteral sheath has stronger elasticity and certain hardness, the ureteral sheath cannot be bent and shaped in a short distance, the end part of the ureteral sheath cannot be close to a focus area in a short distance, and blood clots, tiny stones and purulent floccules are not ideal in the discharging effect from the ureteral sheath in the operation process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a negative pressure ureteral sheath with a turnable head end, which aims at solving the problem of longer operation caused by the natural drainage mode adopted by the prior ureteral sheath in the operation process.
Therefore, the utility model adopts the following technical scheme: a negative pressure ureteral sheath with a turnable head end is characterized in that the ureteral sheath comprises a sheath and a drainage device, the drainage device comprises a connecting tube part and a drainage tube part, the front end of the connecting tube part is sleeved at the tail part of the sheath, the rear end of the connecting tube part is in a horn-shaped opening, the drainage tube part is fixedly connected to the side wall of the connecting tube part and communicated with the sheath, and the tail end of the drainage tube part is connected with a suction device with negative pressure suction; the horn-shaped opening is connected with an elastic sealing cap, a through hole communicated with the ureteral sheath is formed in the elastic sealing cap, and an expander for surgical instruments or guidance is arranged in the through hole in a penetrating mode; the spiral steel wire is embedded in the inner cavity wall of the rear end part of the tube sheath, and the front end of the tube sheath is arranged into a hose part. During operation, surgical instruments pass through the elastic sealing cap to enter the tube sheath tube cavity for operation, and the hose part can turn along with the surgical instruments or the soft endoscope, so that stones close to the renal pelvis or in the renal calyx can be reached to the maximum extent, the stone removal rate of negative pressure suction operation is increased, the drainage efficiency is greatly improved, and the operation efficiency is improved.
As the supplement and improvement to the technical proposal, the utility model also comprises the following technical characteristics.
The length of the hose part is 5 cm.
The dilator penetrating into the duct sheath is provided with a head part which extends out of the front end of the ureteral sheath by 3cm, the head part is a soft part, and the kidney can be prevented from being stabbed by setting the head part of the dilator to be soft and blunt.
The outside of tube sheath be provided with the scale mark, make things convenient for the operation doctor to observe into the sheath degree of depth.
The outer side of the horn-shaped opening is provided with two opposite positioning parts, the tail part of the dilator is provided with a buckling part matched with the positioning parts, and the tail part of the dilator extending into the ureteral sheath is fixed with the positioning parts on the horn-shaped opening through the buckling part, so that the dilator is convenient to guide the ureteral sheath to an operation part.
The utility model discloses following beneficial effect can be reached: 1. the utility model discloses a hose portion that the partial material differs behind the front end setting of ureteral sheath and ureteral sheath makes hose portion can be along with the turn and the diversion of surgical instruments operation in-process to can furthest arrive at and be close to calculus in the renal pelvis or renal calyx, increase the negative pressure and attract the clear stone rate of operation, improve drainage efficiency greatly, improve the efficiency of operation. And drainage efficiency can be improved through drainage of the drainage tube connected with the aspirator, flushing is accelerated, operation time is shortened, and blood clots, fine stones and purulent floccules can be quickly sucked out. 2. The utility model discloses also reduce incarceration nature calculus ureter holmium laser heat damage. 3. The utility model discloses use low cost. 4. The utility model discloses a afterbody at funnel portion sets up the elasticity sealing cap, and adjustable accuse is pressed, improves the speed of negative pressure drainage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the drawings, and the described embodiments are illustrative and explanatory of the present invention, and do not constitute the only limitations of the present invention.
Example (b): as shown in fig. 1, the utility model comprises a tube sheath 1 and a drainage device, wherein the drainage device comprises a connecting tube part 4 and a drainage tube part 3, the front end of the connecting tube part is sleeved on the tail part of the tube sheath, the rear end of the connecting tube part is a trumpet-shaped opening 2, the drainage tube part is fixedly connected on the side wall of the lower side of the connecting tube part and is communicated with the inner cavity of the tube sheath, and the tail end of the drainage tube part is connected with a suction device with negative pressure suction force; the trumpet-shaped opening is connected with an elastic sealing cap 6, a through hole 61 communicated with the ureteral sheath is formed in the elastic sealing cap, and a surgical instrument or an expander for guiding is arranged in the through hole in a penetrating mode; the spiral steel wire is embedded in the inner cavity wall of the rear end part of the tube sheath, the front end of the tube sheath is arranged into a hose part, and the length of the hose part is 5 cm. During operation, surgical instruments pass through the elastic sealing cap to enter the tube sheath tube cavity for operation, and the hose part can turn along with the surgical instruments or the soft endoscope, so that stones close to the renal pelvis or in the renal calyx can be reached to the maximum extent, the stone removal rate of negative pressure suction operation is increased, the drainage efficiency is greatly improved, and the operation efficiency is improved. The dilator penetrating into the duct sheath is provided with a head part which extends out of the front end of the ureteral sheath by 3cm, the head part is a soft part, and the kidney can be prevented from being stabbed by setting the head part of the dilator to be soft and blunt.
In addition, the outside of tube sheath be provided with the scale mark, make things convenient for the operation doctor to observe into the sheath degree of depth. The outer side of the horn-shaped opening is provided with two opposite positioning parts, the tail part of the dilator is provided with a buckling part matched with the positioning parts, and the tail part of the dilator extending into the ureteral sheath is fixed with the positioning parts on the horn-shaped opening through the buckling part, so that the dilator is convenient to guide the ureteral sheath to an operation part.
Claims (5)
1. The utility model provides a head end formula negative pressure ureteral sheath that can turn which characterized in that: the ureteral sheath comprises a sheath and a drainage device, the drainage device comprises a connecting tube part and a drainage tube part, the front end of the connecting tube part is sleeved at the tail part of the sheath, the rear end of the connecting tube part is a horn-shaped opening, and the drainage tube part is fixedly connected to the tube wall of the connecting tube part and communicated with the inner cavity of the sheath; the trumpet-shaped opening is connected with an elastic sealing cap, and a through hole communicated with the ureteral sheath is formed in the elastic sealing cap; the spiral steel wire is embedded in the inner cavity wall of the rear end part of the tube sheath, and the front end of the tube sheath is arranged into a hose part.
2. The negative pressure ureteral sheath with a turnable head end according to claim 1, wherein: the length of the hose part is 5 cm.
3. The negative pressure ureteral sheath with a turnable head end according to claim 2, wherein: the dilator penetrating into the tube sheath is provided with a head part which extends out of the front end of the ureteral sheath by 3cm and is a soft part.
4. The negative pressure ureteral sheath with a turnable head end according to claim 3, wherein: and scale marks are arranged on the outer side of the tube sheath.
5. The negative pressure ureteral sheath with a turnable head end according to claim 4, wherein: the outer side of the horn-shaped opening is provided with two opposite positioning parts, the tail part of the dilator is provided with a buckling part matched with the positioning parts, and the tail part of the dilator extending into the ureteral sheath is fixed with the positioning parts on the horn-shaped opening through the buckling part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023140944.9U CN214595911U (en) | 2020-12-23 | 2020-12-23 | Negative pressure ureteral sheath with turnable head end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023140944.9U CN214595911U (en) | 2020-12-23 | 2020-12-23 | Negative pressure ureteral sheath with turnable head end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214595911U true CN214595911U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023140944.9U Active CN214595911U (en) | 2020-12-23 | 2020-12-23 | Negative pressure ureteral sheath with turnable head end |
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| CN (1) | CN214595911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001634A1 (en) * | 2022-06-27 | 2024-01-04 | 湖南省华芯医疗器械有限公司 | Negative-pressure suction ureteral sheath and ureteral insertion apparatus |
-
2020
- 2020-12-23 CN CN202023140944.9U patent/CN214595911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001634A1 (en) * | 2022-06-27 | 2024-01-04 | 湖南省华芯医疗器械有限公司 | Negative-pressure suction ureteral sheath and ureteral insertion apparatus |
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