CN214907391U - Novel ureter soft endoscope sheath - Google Patents
Novel ureter soft endoscope sheath Download PDFInfo
- Publication number
- CN214907391U CN214907391U CN202023121017.2U CN202023121017U CN214907391U CN 214907391 U CN214907391 U CN 214907391U CN 202023121017 U CN202023121017 U CN 202023121017U CN 214907391 U CN214907391 U CN 214907391U
- Authority
- CN
- China
- Prior art keywords
- fastening block
- sheath
- operating head
- hole
- novel
- 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.)
- Expired - Fee Related
Links
- 210000000626 ureter Anatomy 0.000 title description 7
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000003708 urethra Anatomy 0.000 description 5
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000002485 urinary effect Effects 0.000 description 2
- 208000031868 Calculus ureteric Diseases 0.000 description 1
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 208000000014 Ureteral Calculi Diseases 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Endoscopes (AREA)
Abstract
The utility model discloses a novel flexible ureteroscope sheath, its technical scheme main points are including fixed cover, and first fixed orifices and second fixed orifices all communicate with each other with the patchhole, and first fixed orifices is provided with first fastening block on the inner wall of the sheath body, and the second fixed orifices is provided with the second fastening block on the inner wall of the sheath body, and the lateral surface of first fastening block and the lateral surface of second fastening block all set up on same conical surface, and the inboard of fixed cover is provided with the bell mouth. The utility model discloses following beneficial effect has: fixed cover is rotated to through threaded connection, first fastening block and second fastening block are pressed tightly, make first fastening block and second fastening block all stretch into the insert hole, press from both sides the seal wire tight, thereby it is fixed with the seal wire, make seal wire and operating head's firm in connection, difficult not hard up.
Description
Technical Field
The utility model relates to a soft mirror sheath, more specifically say, it relates to a novel soft mirror sheath of ureter.
Background
Ureteroscope lithotripsy is to use a thin lens with a diameter of about 3mm to insert into a ureter through a urethra and a bladder, and to break up ureteral calculus or kidney calculus and take out the calculus. It utilizes the natural urinary system cavity of human body, does not make any incision on the human body, and is a pure urinary surgery endoscopic minimally invasive surgery. The soft endoscope sheath is firstly inserted into the urethra, and then the guide wire is pulled out for the insertion of the soft endoscope so as to guide the soft endoscope to enter the ureter. However, in the insertion process, the guide wire and the soft lens sheath are not firmly connected and are easy to fall off.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel ureter soft endoscope sheath, this soft endoscope sheath and seal wire firm in connection are difficult for droing to the not enough of prior art existence.
In order to achieve the above purpose, the utility model provides a following technical scheme: a novel ureteroscope sheath comprises a sheath body, wherein the sheath body is provided with a guide hole for a guide wire to pass through, the rear end of the sheath body is connected with an operating head, the operating head is provided with an inserting hole for the guide wire to insert, the operating head is provided with a first fixing hole and a second fixing hole along the length direction, the operating head is sleeved with a fixing sleeve, the first fixing hole and the second fixing hole are communicated with the inserting hole, the inner wall of the first fixing hole facing the sheath body is provided with a first fastening block, the inner wall of the second fixing hole facing the sheath body is provided with a second fastening block, the outer side surface of the first fastening block and the outer side surface of the second fastening block are both arranged on the same conical surface and are both provided with external threads, the inner side of the fixing sleeve is provided with a conical hole, the conical hole is provided with an internal thread matched with the external threads, the external threads are in threaded connection with the internal threads, and the inner sides of the first fastening block and the second fastening block are both provided with silica gel pads for enhancing friction force, after the guide wire passes through the insertion hole, the fixing sleeve is rotated, so that the first fastening block and the second fastening block are pressed tightly, and the first fastening block and the second fastening block both extend into the insertion hole to clamp the guide wire.
The utility model discloses further set up to: the operating head is including the connecting pipe, and first fastening block and second fastening block all are provided with on the connecting pipe, the front end fixedly connected with spacing ring of connecting pipe.
The utility model discloses further set up to: the operating head also comprises a guide tube, and the rear end of the connecting tube is connected with the guide tube.
The utility model discloses further set up to: the connecting pipe is in a circular pipe shape, and the guide pipe is in a horn shape.
The utility model discloses further set up to: the outer side wall of the fixed sleeve is provided with a plurality of bulges.
To sum up, the utility model discloses following beneficial effect has: when using, the operator inserts the seal wire from the patchhole, passes the bullport, holds the operation head again to rotate fixed cover, thereby through threaded connection, compel first fastening block and second fastening block tightly, make first fastening block and second fastening block all stretch into the patchhole, press from both sides the seal wire tightly, thereby it is fixed with the seal wire, make the seal wire with the firm in connection of operation head, difficult not hard up can guide the sheath body smoothly and insert in the urethra. Silica gel pad reinforcing frictional force to strengthen fixed effect, except fixed seal wire, can also fix soft mirror, make the difficult roll-off of soft mirror.
Drawings
FIG. 1 is a schematic view of a connection structure of a novel ureter soft endoscope sheath;
FIG. 2 is an enlarged view A of FIG. 1;
FIG. 3 is an enlarged view B of FIG. 1;
fig. 4 is a schematic structural view of the fixing sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-4, a novel ureteroscope sheath comprises a sheath body 1, the sheath body 1 is provided with a guide hole 11 for a guide wire to pass through, the rear end of the sheath body is connected with an operating head 2, the operating head 2 is provided with an insertion hole 21 for the guide wire to insert, the operating head 2 is provided with a first fixing hole 22 and a second fixing hole 23 along the length direction, and is sleeved with a fixing sleeve 3, the first fixing hole 22 and the second fixing hole 23 are both communicated with the insertion hole 21, the inner wall of the first fixing hole 22 facing the sheath body 1 is provided with a first fastening block 24, the inner wall of the second fixing hole 23 facing the sheath body 1 is provided with a second fastening block 25, the outer side surface of the first fastening block 24 and the outer side surface of the second fastening block 25 are both arranged on the same conical surface and are both provided with external threads, the inner side of the fixing sleeve 3 is provided with a conical hole 31, the conical hole 31 is provided with internal threads adapted to the external threads, external screw thread and internal thread threaded connection, the inboard of first fastening block 24 and second fastening block 25 all is provided with the silica gel pad 241 that is used for strengthening frictional force, and after the seal wire passed the patchhole 21, the fixed cover 3 of rotation to first fastening block 24 and second fastening block 25 are compelled tightly, make first fastening block 24 and second fastening block 25 all stretch into in the patchhole 21, in order to press from both sides the seal wire tightly.
Through above-mentioned scheme, when using, the operator inserts the seal wire from patchhole 21, pass bullport 11, handheld operating head 2 again, and rotate fixed cover 3, thereby through threaded connection, first fastening block 24 and second fastening block 25 are compelled, make first fastening block 24 and second fastening block 25 all stretch into patchhole 21 in, press from both sides the seal wire tightly, thereby it is fixed to fix the seal wire, make seal wire and operating head 2's firm in connection, difficult not hard up, can guide the sheath body 1 smoothly and insert in the urethra. Silica gel pad 241 reinforcing frictional force to strengthen fixed effect, except fixed seal wire, can also fix the soft mirror, make the difficult roll-off of soft mirror.
As a modified specific embodiment, the operating head 2 comprises a connecting pipe 26, the first fixing hole 22 and the second fixing hole 23 are both arranged on the connecting pipe 26, and the front end of the connecting pipe 26 is fixedly connected with a limiting ring 261.
Through the above scheme, the connecting pipe 26 is easy for the fixing sleeve 3 to be sleeved, and is also convenient for the first fixing hole 22 and the second fixing hole 23 to be arranged. It is spacing to fix cover 3 through spacing ring 261, avoids fixed cover 3 to drop at the in-process that uses to the diameter ratio of spacing ring 261 is big than the diameter of the sheath body 1, can avoid connecting pipe 26 to insert the urethra.
In a modified embodiment, the operating head 2 further comprises a guide tube 27, and the rear end of the connecting tube 26 is connected with the guide tube 27.
Through the above scheme, the guide tube 27 is matched with the limit ring 261 to limit the fixing sleeve 3, so as to prevent the fixing sleeve 3 from falling off.
In a modified embodiment, the connecting tube 26 is in the shape of a circular tube, and the guide tube 27 is in the shape of a trumpet.
Through the scheme, the connecting pipe 26 in the shape of a circular pipe is convenient for guiding the sliding of the fixing sleeve 3. The trumpet-shaped guide tube 27 is convenient for guiding the insertion of the soft lens, reduces the edges and corners and is more comfortable to use.
As a modified embodiment, the external side wall of the sleeve 3 is provided with a plurality of projections 32.
Through the scheme, the plurality of protrusions 32 are arranged at equal angles, so that friction can be increased, and the fixing sleeve 3 can be conveniently rotated by hands.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel flexible ureteroscope sheath, including the sheath body (1), the sheath body (1) is provided with bullport (11) that are used for supplying the guide wire to pass to the rear end is connected with operating head (2), operating head (2) are provided with and supply guide wire male patchhole (21), characterized by: the operating head (2) is provided with a first fixing hole (22) and a second fixing hole (23) along the length direction, a fixing sleeve (3) is sleeved on the operating head, the first fixing hole (22) and the second fixing hole (23) are communicated with an inserting hole (21), a first fastening block (24) is arranged on the inner wall of the first fixing hole (22) facing the sheath body (1), a second fastening block (25) is arranged on the inner wall of the second fixing hole (23) facing the sheath body (1), the outer side surface of the first fastening block (24) and the outer side surface of the second fastening block (25) are arranged on the same conical surface and are provided with external threads, a conical hole (31) is arranged on the inner side of the fixing sleeve (3), the conical hole (31) is provided with internal threads matched with the external threads, the external threads are connected with the internal threads, silica gel pads (241) used for enhancing friction force are arranged on the inner sides of the first fastening block (24) and the second fastening block (25), after the guide wire passes through the insertion hole (21), the fixing sleeve (3) is rotated, so that the first fastening block (24) and the second fastening block (25) are pressed tightly, and the first fastening block (24) and the second fastening block (25) both extend into the insertion hole (21) to clamp the guide wire.
2. The novel ureteroscope sheath of claim 1, wherein: the operating head (2) comprises a connecting pipe (26), the first fastening block (24) and the second fastening block (25) are arranged on the connecting pipe (26), and the front end of the connecting pipe (26) is fixedly connected with a limiting ring (261).
3. The novel ureteroscope sheath of claim 2, wherein: the operating head (2) also comprises a guide pipe (27), and the rear end of the connecting pipe (26) is connected with the guide pipe (27).
4. The novel ureteroscope sheath of claim 3, wherein: the connecting pipe (26) is in a circular pipe shape, and the guide pipe (27) is in a horn shape.
5. The novel ureteroscope sheath of claim 4, wherein: the outer side wall of the fixed sleeve (3) is provided with a plurality of bulges (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121017.2U CN214907391U (en) | 2020-12-22 | 2020-12-22 | Novel ureter soft endoscope sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121017.2U CN214907391U (en) | 2020-12-22 | 2020-12-22 | Novel ureter soft endoscope sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214907391U true CN214907391U (en) | 2021-11-30 |
Family
ID=79114704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023121017.2U Expired - Fee Related CN214907391U (en) | 2020-12-22 | 2020-12-22 | Novel ureter soft endoscope sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214907391U (en) |
-
2020
- 2020-12-22 CN CN202023121017.2U patent/CN214907391U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |