CN111317546A - Urological department ureteral polyp cutterbar - Google Patents
Urological department ureteral polyp cutterbar Download PDFInfo
- Publication number
- CN111317546A CN111317546A CN202010179286.XA CN202010179286A CN111317546A CN 111317546 A CN111317546 A CN 111317546A CN 202010179286 A CN202010179286 A CN 202010179286A CN 111317546 A CN111317546 A CN 111317546A
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- CN
- China
- Prior art keywords
- polyp
- groove
- inner catheter
- ureteral
- cutting
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- 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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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
Abstract
The invention discloses a ureteral polyp cutter which is convenient for polyp parts to pass through an inflatable air bag limiting head, can clamp and fix polyp and is convenient for normal cutting, and is characterized in that one end of an inner catheter is connected with one end of an injector, a rubber pad is arranged at the joint of the inner catheter and the injector, an air duct is arranged in the inner catheter, a piston rod is sleeved in the injector, anti-skid grains are arranged on the piston rod, an outer sleeve is sleeved on the inner catheter and is close to the other end of the inner catheter, an air cavity is arranged in the air bag limiting head, the air cavity is communicated with the air duct, a plurality of through holes are formed in the air bag limiting head at equal angles, the polyp position can be accurately cut, the polyp is fixed during cutting, accurate cutting is ensured, and the polyp is prevented from slipping during cutting, the cut polyp can be accurately clamped and pulled out, and the cut polyp is prevented from falling off in the ureter.
Description
Technical Field
The invention discloses a urological ureteral polyp cutter, relates to a cutter for cutting ureteral polyps, and belongs to the field of urological equipment. In particular to a cutter which is convenient for polyp parts to pass through an inflatable air bag limiting head, can clamp and fix the polyp and is convenient for normal cutting.
Background
Polyps are neoplasms growing on the surface of human tissue, which are generally called polyps in modern medicine, including hyperplastic, inflammatory, hamartoma, adenoma and other tumors, and when polyps remain in a ureter, a patient may have a ureter stricture caused by polyps on the inner wall of the ureter when a ureteroscope examination is performed, thereby obstructing entry and passage of the examination, and thus a device for cutting the ureter polyps is required, while the prior publication No. CN209474738U discloses a ureter polyp cutter including a lumen, a chute, a cutting plate, a cutting hole, a blade, a handle, a pressure bar, a slide plate, a first spring, a jack, a plug, and a second spring, which is used by inserting the lumen from the ureter and passing through the polyp site, so that the polyps fall into a relief hole in the middle, however, when the polyp is too large, the lumen is difficult to pass through the polyp when the lumen is pushed in, so that the subsequent cutting cannot be carried out, and meanwhile, the polyp is soft and is not clamped and fixed when the polyp is cut, so that the polyp is easy to deform and slip when the cutting head cuts, and the normal cutting of the cutting head is inconvenient.
Disclosure of Invention
In order to improve the condition, the invention provides the ureteral polyp cutter which is convenient for polyp parts to pass through the inflatable air bag limiting head, can clamp and fix the polyp and is convenient for normal cutting.
The invention discloses a urological ureteral polyp cutter, which is realized by the following steps: the invention relates to a ureteral polyp cutter for urology department, which comprises a main body inflating device and a cutting device, wherein the main body inflating device comprises an outer sleeve, an air bag limiting head, an injector, a piston rod, an inner catheter, an air cavity, a through hole and an air channel, one end of the inner catheter is connected with one end of the injector, the rubber pad is arranged at the joint of the inner catheter and the injector, the air channel is arranged in the inner catheter, the piston rod is sleeved in the injector, anti-skid grains are arranged on the piston rod, the outer sleeve is sleeved on the inner catheter and is close to the other end of the inner catheter, the air bag limiting head is arranged at the other end of the inner catheter, the air cavity is arranged in the air bag limiting head, the air cavity is communicated with the air channel, a plurality of through holes are arranged on the air bag limiting head at equal angles, the cutting device comprises a traction line, the cutting head, the clamping groove, the annular groove and the limiting plate are arranged on the other end of the injector, the limiting plate is provided with the clamping groove, one end of the outer sleeve is provided with a groove, the groove is an annular groove, the rotary sleeve is sleeved in the groove, one end of the rotary sleeve, which is close to the groove, is provided with the annular groove, one ends of the two cutting heads are symmetrically arranged on the other end of the rotary sleeve, the other end of the cutting head is a cutting edge, the rotary sleeve is provided with a spiral groove, the spiral groove is close to the other end of the rotary sleeve, a plurality of circular convex columns are arranged on the inner wall of the groove, the circular convex columns are correspondingly arranged in the spiral groove, the lantern ring is sleeved on one end of the rotary sleeve and clamped in the annular groove, the spring sleeve is arranged in the groove, one end of the spring is connected with the lantern ring, the other end of the spring is connected with the groove, the cutting head is of a metal sheet structure, the thickness of the cutting head is gradually reduced, cutting teeth are arranged on the surface of the cutting head, the end face, located in the spiral groove, of the circular convex column is an arc-shaped face, a gap is formed between the circular convex column and the spiral groove, and clamping teeth are arranged on the wall of the clamping groove.
Advantageous effects
The polyp cutting device can accurately cut the position of polyp, fix the polyp during cutting, guarantee accurate cutting and avoid slippage during polyp cutting.
And secondly, the conduit capable of conveniently cutting polyp is used for penetration.
Thirdly, the rotary cutting effect is better.
Fourthly, the cut polyp can be accurately clamped and pulled out, and the cut polyp is prevented from falling off in the ureter.
Drawings
FIG. 1 is a perspective view of a urological ureteral polyp cutter of the present invention;
FIG. 2 is a schematic view of a urological ureteral polyp cutter of the present invention;
FIG. 3 is a perspective view of the balloon stopper of a urological polyp cutter of the present invention;
FIG. 4 is a perspective view of the present invention at the site of a urological ureteral polyp cutter syringe;
fig. 5 is a perspective view of a rotating sleeve of a urological polyp cutter of the present invention.
In the attached drawings
Wherein the method comprises the following steps: the device comprises an outer sleeve (1), an air bag limiting head (2), a traction wire (3), an injector (4), a pull head (5), a piston rod (6), an inner guide pipe (7), a lantern ring (8), a rotary sleeve (9), a spiral groove (10), a round convex column (11), an air cavity (12), a through hole (13), an air duct (14), a spring (15), a groove (16), a clamping groove (17), a cutting head (18), an annular groove (19) and a limiting plate (20).
The specific implementation mode is as follows:
the invention discloses a urological ureteral polyp cutter, which is realized by the following steps: the invention relates to a ureteral polyp cutter for urology department, which comprises a main body inflating device and a cutting device, wherein the main body inflating device comprises an outer sleeve (1), an air bag limiting head (2), an injector (4), a piston rod (6), an inner catheter (7), an air cavity (12), a through hole (13) and an air duct (14), one end of the inner catheter (7) is connected with one end of the injector (4), a rubber pad is arranged at the joint of the inner catheter (7) and the injector (4), the air duct (14) is arranged in the inner catheter (7), the piston rod (6) is sleeved in the injector (4), anti-skid lines are arranged on the piston rod (6), the outer sleeve (1) is sleeved on the inner catheter (7) and is close to the other end of the inner catheter (7), the air bag limiting head (2) is arranged at the other end of the inner catheter (7), the air cavity (12) is arranged in the air bag limiting head (2), the air cavity (12) is communicated with the air duct (14), a plurality of through holes (13) are formed in the air bag limiting head (2) at equal angles, the cutting device is composed of a traction line (3), a pull head (5), a sleeve ring (8), a rotary sleeve (9), a spiral groove (10), a round convex column (11), a spring (15), a groove (16), a cutting head (18), a clamping groove (17), a ring groove (19) and a limiting plate (20), the limiting plate (20) is arranged at the other end of the injector (4), the clamping groove (17) is formed in the limiting plate (20), the groove (16) is formed in one end of the outer sleeve (1), the groove (16) is an annular groove, the rotary sleeve (9) is sleeved in the groove (16), the ring groove (19) is formed in one end, close to the groove (16), of the rotary sleeve (9), one ends of the two cutting heads (18) are symmetrically arranged at the other end of the rotary sleeve (9, the other end of the cutting head (18) is a cutting edge, a spiral groove (10) is formed in the rotary sleeve (9), the spiral groove (10) is close to the other end of the rotary sleeve (9), a plurality of circular convex columns (11) are arranged on the inner wall of the groove (16), the circular convex columns (11) are correspondingly arranged in the spiral groove (10), a lantern ring (8) is sleeved on one end of the rotary sleeve (9) and clamped in the circular groove (19), a spring (15) is sleeved in the groove (16), one end of the spring (15) is connected with the lantern ring (8), the other end of the spring (15) is connected with the groove wall of the groove (16), one end of the pull wire (3) is connected with the lantern ring (8), the other end of the pull wire (3) penetrates out of the other end of the outer sleeve (1) and penetrates through the clamping groove (17), the pull head (5) is connected with the other end of the pull wire (3), the cutting head (18) is of a metal sheet, the thickness is gradually reduced, cutting teeth are arranged on the surface of the cutting head (18), the end face, located in the spiral groove (10), of the circular convex column (11) is an arc-shaped face, a gap is formed between the circular convex column (11) and the spiral groove (1()), and clamping teeth are arranged on the wall of the clamping groove (17);
when the inflatable bag is used, the inner catheter (7) is stored in the outer sleeve (1) in an initial state, the air bag limiting head (2) is in an uninflated dry-shriveled state, the pull head (5) is clamped on the limiting plate (20), the pull wire (3) pulls the sleeve ring (8) at the moment, the rotating sleeve (9) and the cutting head (18) are stored in the groove (16), and the spring (15) is in a compressed state;
when a patient ureteral polyp needs to be cut, a medical worker firstly puts the outer sleeve (1) into the human ureter, when the patient ureteral polyp is encountered, the outer sleeve (1) is blocked due to large diameter, the inner catheter (7) extends out of the outer sleeve (1), the air bag limiting head (2) which is shriveled at the other end of the inner catheter (7) penetrates through the polyp position, the medical worker presses the piston rod (6) of the injector (4) to inflate the air bag limiting head (2) through the air passage (14), so that the air bag limiting head (2) is expanded at the other side of the polyp, then the medical worker pulls the inner catheter (7) to enable the air bag limiting head (2) to be matched with the end part of the outer sleeve (1) to fixedly clamp the polyp, then the medical worker takes down the pull head (5) from the limiting plate (20), the pull rope does not pull the lantern ring (8), and the lantern ring (8) resets under the elastic acting force of the spring, the rotary sleeve (9) contracted in the groove (16) is ejected outwards, the rotary sleeve (9) is in ejection, the spiral groove (10) on the rotary sleeve is matched with the round convex column (11) of the outer sleeve (1) to enable the drill rotary sleeve to rotate, so that rotary cutting on polyp is formed, then, a person pulls the inner catheter (7) and the outer sleeve (1), the cut polyp is taken out through clamping of the air bag limiting head (2), the polyp can be limited and then cut, and the phenomenon that deformation and slippage influence normal cutting is generated is avoided;
the design of the through hole (13) on the air bag limiting head (2) is used for guiding the fluid of the ureter and preventing normal ureter blockage.
One end of the outer sleeve (1) is provided with a groove (16) which can form plug connection with the sleeve ring (8), so that the connection stability is good;
the joint of the inner conduit (7) and the injector (4) is provided with a rubber pad, so that the inner conduit (7) and the injector (4) have good sealing performance and good inflation effect;
the piston rod (6) is provided with anti-skid grains, so that the friction force between the piston rod (6) and the hands of a person is increased, and the person can press the piston rod conveniently;
the cutting head (18) is of a metal sheet structure, and the design that the thickness is gradually reduced facilitates cutting when the cutting head is thin, so that the cutting efficiency is improved;
the surface of the cutting head (18) is provided with cutting teeth, so that the cutting head (18) is assisted to cut, and the cutting efficiency is further improved;
the end surface of the circular convex column (11) positioned in the spiral groove (10) is designed to be an arc-shaped surface, and the arc-shaped surface is convenient for the spiral groove (10) to slide along;
a gap is arranged between the circular convex column (11) and the spiral groove (10), so that the spiral groove (10) is prevented from directly contacting and rubbing with the spiral groove, and the friction force is reduced;
the design of clamping teeth is arranged on the wall of the clamping groove (17), so that the clamping degree is increased, and the clamping effect on the pull head (5) is good;
the air bag limiting head (2) is matched with the outer sleeve (1) and the inner catheter (7), when the outer sleeve (1) cannot penetrate through the air bag limiting head (2), the air bag limiting head penetrates through the position of the polyp, and the air bag limiting head (2) is matched with the outer sleeve (1) to fixedly clamp the polyp so as to cut the polyp;
the rotary sleeve (9) and the spiral groove (10) on the rotary sleeve are matched with the circular convex column (11) and the spring (15), so that after the rotary sleeve (9) is loosened, the rotary sleeve (9) is rotationally pushed out to cut polyps;
the air bag limiting head (2) passes through the position of the polyp, then the polyp is inflated, and then the inner catheter (7) is pulled, so that the polyp can be clamped and fixed by matching the expanded air bag limiting head (2) and the outer sleeve (1) so as to be cut;
the puller (5) is loosened, the rotary sleeve (9) is pushed by the spring (15) to extend out of the groove (16), and the spiral groove (10) on the rotary sleeve (9) is matched with the circular convex column (11) to enable the rotary sleeve (9) to be pushed out in a rotating mode, so that clamped polyp can be cut and fixed;
the purpose that polyp position of being convenient for passes through inflatable gasbag spacing head (2), and can carry out the centre gripping to polyp and fix, the normal cutting of being convenient for is reached.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. A urological ureteral polyp cutter, characterized by: one end of the inner catheter is connected with one end of the injector, the inner catheter is internally provided with a vent channel, the piston rod is sleeved in the injector, the piston rod is provided with anti-skid grains, the outer sleeve is sleeved on the inner catheter and is close to the other end of the inner catheter, the air bag limiting head is arranged at the other end of the inner catheter, the air bag limiting head is internally provided with an air cavity, the air cavity is communicated with the vent channel, the cutting device comprises a traction line, a pull head, a sleeve ring, a rotary sleeve, a spiral groove, a circular convex column, a spring, a groove, a cutting head, a clamping groove, a ring groove and a limiting plate, the limiting plate is arranged at the other end of the injector, the limiting plate is provided with the clamping groove, the rotary sleeve is sleeved in the groove, one end of the rotary sleeve, which is close to the groove, is provided with the ring groove, one ends of the two, on the recess inner wall was arranged in to a plurality of round protruding posts, the round protruding post correspondence was arranged in the helicla flute, the lantern ring cover was arranged in one of rotatory cover and is served, and the card was arranged in the annular in, in the recess was arranged in to the spring housing, the one end and the lantern ring of spring were connected, the other end and the recess cell wall of spring were connected, the one end and the lantern ring of pull wire were connected, the other end of pull wire was worn out from the other end of outer tube to pass the draw-in groove, the pull head was connected with the other end of pull wire, outer tube.
2. The urological ureteral polyp cutter according to claim 1, wherein the balloon stop has a plurality of through holes formed at equal angles for guiding ureteral fluid to prevent normal ureteral fluid from blocking the ureter.
3. A urological ureteral polyp cutter according to claim 2, characterized in that the balloon stop engages the outer sleeve and the inner catheter, enabling passage of the balloon stop through the polyp site when the outer sleeve cannot pass therethrough, and a secure grip on the polyp is provided by the balloon stop engaging the outer sleeve.
4. A urological ureteral polyp cutter according to claim 1, characterized in that the recess is an annular groove.
5. The urological ureteral polyp cutter according to claim 1, characterized in that the connection between the inner catheter and the syringe is provided with a rubber pad, so that the inner catheter and the syringe have good sealing performance.
6. A urological ureteral polyp cutter according to claim 1, characterized in that the cutting head is of sheet metal construction and is of gradually decreasing thickness, the cutting head being provided with cutting teeth on its surface.
7. The urological ureteral polyp cutter of claim 1, wherein the rotating sleeve and the spiral groove on the rotating sleeve cooperate with the cylindrical post and the spring to enable the rotating sleeve to be rotated out to cut the polyp after the rotating sleeve is loosened.
8. The urological ureteral polyp cutter according to claim 1, wherein the end surface of the circular convex column located inside the spiral groove is an arc-shaped surface, the arc-shaped surface facilitates sliding of the spiral groove along the arc-shaped surface, and a gap is arranged between the circular convex column and the spiral groove.
9. The urological ureteral polyp cutter according to claim 1, wherein the design that the pull head is loosened, the rotating sleeve is pushed by the spring to extend out of the groove, and the spiral groove on the rotating sleeve is matched with the round convex column to enable the rotating sleeve to be rotated and pushed out, so that the clamped polyp can be cut and fixed.
10. The urological ureteral polyp cutter according to claim 1, characterized in that latch teeth are provided on a wall of the latch groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179286.XA CN111317546B (en) | 2020-03-04 | 2020-03-04 | Urological department ureteral polyp cutterbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179286.XA CN111317546B (en) | 2020-03-04 | 2020-03-04 | Urological department ureteral polyp cutterbar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111317546A true CN111317546A (en) | 2020-06-23 |
| CN111317546B CN111317546B (en) | 2021-05-07 |
Family
ID=71164653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010179286.XA Expired - Fee Related CN111317546B (en) | 2020-03-04 | 2020-03-04 | Urological department ureteral polyp cutterbar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111317546B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349919A (en) * | 2021-06-29 | 2021-09-07 | 湖州市妇幼保健院 | Gastrointestinal endoscope polyp removal auxiliary collector and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071424A (en) * | 1989-08-18 | 1991-12-10 | Evi Corporation | Catheter atherotome |
| WO1993024063A1 (en) * | 1992-05-29 | 1993-12-09 | Origin Medsystems, Inc. | Body structure manipulation and dissection system |
| US20060253145A1 (en) * | 2005-05-05 | 2006-11-09 | Lucas Paul R | Multi-functional thrombectomy device |
| CN108742789A (en) * | 2018-07-01 | 2018-11-06 | 张敏 | A kind of GI Medicine esophageal tumor scalpel |
| CN108882948A (en) * | 2016-04-01 | 2018-11-23 | 阿维格公司 | Rotary-cut art conduit with zigzag cutter |
| CN209474738U (en) * | 2018-10-27 | 2019-10-11 | 黄少鹏 | Polyp of ureter cutter |
| CN209770493U (en) * | 2019-01-28 | 2019-12-13 | 逸思（苏州）医疗科技有限公司 | Surgical cutter |
| US10524821B2 (en) * | 2016-09-23 | 2020-01-07 | Lumenis | System and method for morcellation of tissue |
-
2020
- 2020-03-04 CN CN202010179286.XA patent/CN111317546B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071424A (en) * | 1989-08-18 | 1991-12-10 | Evi Corporation | Catheter atherotome |
| WO1993024063A1 (en) * | 1992-05-29 | 1993-12-09 | Origin Medsystems, Inc. | Body structure manipulation and dissection system |
| US20060253145A1 (en) * | 2005-05-05 | 2006-11-09 | Lucas Paul R | Multi-functional thrombectomy device |
| CN108882948A (en) * | 2016-04-01 | 2018-11-23 | 阿维格公司 | Rotary-cut art conduit with zigzag cutter |
| US10524821B2 (en) * | 2016-09-23 | 2020-01-07 | Lumenis | System and method for morcellation of tissue |
| CN108742789A (en) * | 2018-07-01 | 2018-11-06 | 张敏 | A kind of GI Medicine esophageal tumor scalpel |
| CN209474738U (en) * | 2018-10-27 | 2019-10-11 | 黄少鹏 | Polyp of ureter cutter |
| CN209770493U (en) * | 2019-01-28 | 2019-12-13 | 逸思（苏州）医疗科技有限公司 | Surgical cutter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349919A (en) * | 2021-06-29 | 2021-09-07 | 湖州市妇幼保健院 | Gastrointestinal endoscope polyp removal auxiliary collector and method |
| CN113349919B (en) * | 2021-06-29 | 2023-02-28 | 湖州市妇幼保健院 | Gastrointestinal endoscope polyp removal auxiliary collector and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111317546B (en) | 2021-05-07 |
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Granted publication date: 20210507 |