CN108852480B - Rotary uterine curettage device - Google Patents
Rotary uterine curettage device Download PDFInfo
- Publication number
- CN108852480B CN108852480B CN201810485366.0A CN201810485366A CN108852480B CN 108852480 B CN108852480 B CN 108852480B CN 201810485366 A CN201810485366 A CN 201810485366A CN 108852480 B CN108852480 B CN 108852480B
- Authority
- CN
- China
- Prior art keywords
- tube
- cutter
- pipe
- wall
- opening
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/4241—Instruments for manoeuvring or retracting the uterus, e.g. during laparoscopic surgery
-
- 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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B2017/4216—Operations on uterus, e.g. endometrium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Surgical Instruments (AREA)
Abstract
the invention discloses a rotary uterine curettage device, which comprises a main machine, an inner knife tube and an outer knife tube. The outer knife tube is formed with a negative pressure suction tube; the inner cutter tube is formed with a crushing cutter; forming an outer knife opening part by the outer knife pipe; the inner cutter tube is formed with an inner cutter opening part; cutting teeth are formed on two sides of the opening of the inner cutter opening. The outer cutter tube is sleeved with an outer washing tube; the outer flushing pipe is formed with a flushing joint; a sealing outer abutting edge is formed at the opening part of the outer cutter; sealing the outer abutting edge to generate a gap between the outer cutter tube and the outer washing tube; a partition plate is formed in the middle of the shunt pipe; the shunt pipe is formed with a flushing hole and a backflow hole. The rear end of the outer cutter tube is provided with a main machine connecting sleeve; a host connecting buckle is arranged on the side wall of the host connecting sleeve; the front end of the host is formed with a sleeve connecting part; an adjusting groove is formed on the outer wall of the sleeve connecting part; two ends of the adjusting groove are respectively provided with a positioning groove a and a positioning groove b; the inner knife opening is formed with cutting teeth, the invention can realize the instrument integrating three functions of cutting, flushing and suction, and has simple operation and convenient use.
Description
Technical Field
The invention belongs to the field of medical surgical instruments, and particularly relates to a rotary uterine curettage device.
Background
Chinese patent No. CN203182991U discloses a multifunctional suction rotary cutter, which comprises an outer cutter device, an inner cutter device, a power socket, a motor, a handle, an air port seat, a ball, a connecting sleeve, a connecting seat, a spring, an inner cutter socket, a suction tube, a suction interface, a connecting tube and a sliding seat, wherein the outer cutter tube is provided with an air flushing port, the air port seat is fixed with an outer cutter tube seat, the outer cutter tube seat is provided with a clamping groove, the inner cutter seat is provided with a connecting hole and a connecting groove, a motor shaft is matched and connected with the connecting groove, the ball is clamped on the connecting tube, the sliding seat is sleeved on the connecting tube, the spring is sleeved on the connecting tube, the connecting sleeve is sleeved on the spring and the connecting tube, the spring is connected with the sliding seat, the rear part of the connecting sleeve is fixed with the connecting seat, the suction tube is connected with the handle, the ball is matched with the clamping, The connecting hole, the suction tube and the suction interface are communicated to form a suction channel. The utility model has reasonable structure, has the functions of inflation and suction, and has good operation safety effect.
The solution in the above patent document has the following problems: the tissue cut by the inner knife edge enters the inner knife tube and is sucked out from the suction tube through negative pressure, but because the shapes of the cut tissue are different in the actual operation process, a gap exists between the tissue and the inner wall of the inner knife tube after the tissue enters the inner knife tube, the tissue in the inner knife tube can be sucked out only by large suction force, but carbon dioxide in the abdominal cavity is sucked out simultaneously, and if the negative pressure suction force is small, the ideal suction effect cannot be achieved.
Chinese patent application No. CN106512109A discloses a multifunctional aspirator for laparoscope, which comprises a handle, an outer tube and a cutting device, wherein the rear end of the outer tube is connected with the handle, the cutting device comprises an inner tube, blades and a transmission shaft, the rear part of the inner tube is sleeved inside the front part of the outer tube, the front part of the inner tube extends out of the outer tube, the blades are circumferentially and uniformly distributed on the outer wall of the front part of the inner tube, the inner tube is provided with a feed inlet corresponding to the blades and a discharge outlet close to the rear end of the inner tube, the front end of the transmission shaft is connected with the rear end of the inner tube, the handle is provided with a water inlet communicated with the rear end of the outer tube, a negative pressure suction hole and a transmission mechanism for driving the transmission shaft to rotate, and the transmission. The invention combines the dual functions of the suction apparatus and the rotary-cut soft tissue, can realize the suction capability while rotary-cutting, effectively improves the cutting and suction efficiency, shortens the operation time, and has comfortable and convenient use, simple structure and low cost. The scheme of the patent document increases the flushing function compared with the former scheme, but the flushing and the suction share one pipeline, so that the human tissue entering the outer tube in the suction process flows back to the abdominal cavity again in the flushing process, and the use effect is not ideal.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the uterine rotary cutter integrating the functions of uterine cutting, washing and suction is provided.
In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a uterine rotary cutter comprises a host and an inner cutter tube connected with the host, and is characterized in that: the inner cutter pipe is sleeved with the outer cutter pipe.
a negative pressure suction tube is formed on the side wall of the rear part of the outer cutter tube; a partition plate is formed at the joint of the negative pressure suction tube and the inner cavity of the outer cutter tube; the dividing plate divides a hole formed by the inner cavities of the negative pressure suction tube and the outer cutter tube into two chip removal ports; the outer side wall of the rear part of the inner cutter tube is uniformly formed with crushed aggregate cutters at equal angles corresponding to the position of the negative pressure suction tube; a discharge hole is formed in the side wall of the inner cutter pipe between every two adjacent crushing cutters; the positions, close to the front end and the rear end of the crushing cutter, of the outer wall of the inner cutter pipe are respectively connected with a sealing ring which is hermetically connected with the inner wall of the outer cutter pipe; an outer knife opening part with an opening at one side is formed at the front part of the outer knife pipe; an inner knife edge part with an opening at one side is formed at the front part of the inner knife tube; cutting teeth are formed on two sides of the opening of the inner cutter opening.
The outer cutter tube is sleeved with an outer washing tube; the outer wall of the outer cutter tube is positioned at the front end of the negative pressure suction tube and is formed with an external thread; an internal threaded pipe in threaded connection with the external thread is formed at the rear end of the external washing pipe; a flushing joint is formed on the side wall of the rear part of the outer flushing pipe; a sealing outer abutting edge mutually sealed with the front end of the outer washing pipe is formed on the periphery of the opening side of the outer knife opening; the sealing outer abutting edge enables a gap which can enable water to flow to be formed between the outer wall of the outer cutter tube and the inner wall of the outer washing tube; a rotating hole a is formed in the center of the front end of the outer cutter opening part; a rotating hole b is formed in the center of the front end of the outer washing pipe; a shunt pipe inserted in the rotating hole a and the rotating hole b is formed in the center of the front end of the inner cutter opening part; a partition plate is formed in the middle of the shunt pipe; the side walls of the shunt tubes are positioned at the front side and the rear side of the partition plate and are respectively provided with flushing holes and backflow holes which are uniformly distributed at equal angles; the diameters of the flushing hole and the backflow hole are equal to the width of a gap between the outer wall of the outer cutter tube and the inner wall of the outer flushing tube.
The rear end of the outer cutter tube is provided with a main machine connecting sleeve; a host connecting buckle is arranged on the side wall of the host connecting sleeve; the front end of the host is formed with a sleeve connecting part; an adjusting groove in sliding connection with the host connecting buckle is formed in the outer wall of the sleeve connecting part; and two ends of the adjusting groove are respectively provided with a positioning groove a and a positioning groove b.
And a suction hole is formed at the position, far away from the side opening, of the front end of the inner knife edge part.
The rear end of the inner cutter tube is a transmission connecting part; the transmission connecting part is connected with the host.
When need wash alone, with host computer connecting buckle and positioning groove a cooperation, the flushing hole is arranged in the gap between outer sword pipe outer wall and the outer washing pipe inner wall.
When the suction is needed to be carried out independently, the inner knife edge part rotates to the state that the side opening is opposite to the side opening of the outer knife edge part, and the suction hole is in a conduction state.
When rotary cutting is needed, the main machine connecting buckle is matched with the positioning groove b, the backflow hole is located in a gap between the outer wall of the outer cutter tube and the inner wall of the outer washing tube, and the main machine is started simultaneously.
As an optimization scheme: and a limiting ring which is rotatably inserted in the main machine and is used for axially positioning the inner cutter is formed on the outer wall of the rear part of the inner cutter.
As an optimization scheme: the rear end of the main machine is connected with a cutter pipe connecting part sleeved with an inner cutter pipe; the side wall of the knife tube connecting part is connected with a knife tube connecting buckle for fixing the inner knife tube, and the knife tube connecting buckle structure is the same as the host connecting buckle structure.
Compared with the prior art, the invention has the beneficial effects that: when the uterine rotary cutting machine is used for rotary cutting of a uterus, a host machine is held by the left hand, the host machine connecting sleeve at the rear end of the outer cutter tube is rotated by the right hand, the host machine connecting buckle and the positioning groove b are mutually clamped, the outer cutter tube moves to the rear limit at the moment, a switch on the host machine is pressed, the motor drives the inner cutter tube to rotate, meanwhile, a suction valve on the negative pressure suction tube is opened, a flushing valve on the flushing joint is opened, an opening of the inner cutter opening part is aligned with the uterus, the uterus is sucked into the range of the inner cutter opening part under the action of negative pressure, and cutting teeth at the upper end of the inner cutter opening part are.
Meanwhile, water flows to the shunt pipe through a gap between the outer cutter pipe and the outer washing pipe, the backflow hole is positioned in the gap between the outer cutter pipe and the outer washing pipe due to the fact that the outer cutter pipe moves to the rear limit, the water flows into the inner cavity of the inner cutter pipe from the backflow hole due to the blocking of the partition plate in the shunt pipe, cut uterine tissues move to the rear portion of the washing sleeve through the traction of water flow due to the suction of the negative pressure suction connector, the uterine tissues move at the rear end of the inner cutter pipe more smoothly due to the flowing property of the water, when the uterine tissues move to the crushing cutter, the uterine tissues are cut into small blocks by the crushing cutter while moving from the discharge port to the chip removal port due to the rotation of the inner cutter pipe, and the small blocks of uterine tissues are discharged through the negative pressure suction connector. In addition, the water entering the inner cutter tube can counteract the fluctuation of the carbon dioxide pressure in the abdominal cavity caused by partial negative pressure suction.
The abdominal cavity needs to be washed after the rotary-cut of the uterus is completed, the host connecting sleeve at the rear end of the washing sleeve is rotated at the moment, the host connecting buckle is clamped with the positioning groove a on the adjusting groove, the washing sleeve moves to the front limit at the moment, the washing hole in the shunt pipe is positioned in a gap between the outer cutter pipe and the outer washing pipe, and therefore water can flow out of the washing hole.
Need attract after washing the completion, it is relative with the side opening of outer sword pipe to rotate the side opening of interior sword oral area through host computer control interior sword pipe for attract the hole and be in the conducting state, open and attract the valve and can attract through attracting the hole.
The water inlet passage and the soft tissue backflow carrying passage are two passages, so that water cannot carry soft tissue residues remained on the inner wall of the inner cutter tube to return to the body of a patient again when flushing is carried out.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic exploded view of the present invention.
FIG. 3 is a schematic diagram of the host architecture of the present invention.
Fig. 4 is a schematic view of the inner cutter structure of the present invention.
Fig. 5 is a schematic view of the inner blade portion of the present invention.
Fig. 6 is a schematic view of the outer blade structure of the present invention.
Fig. 7 is a schematic view of the structure of the outer wash pipe of the present invention.
FIG. 8 is a partial schematic view of the present invention in a cutting state.
Fig. 9 is a partial structural view in a flushing state of the present invention.
Fig. 10 is a partial structural view in the suction state of the present invention.
FIG. 11 is a cross-sectional view of the host connection clip of the present invention.
1. A host; 11. a knife tube connecting part; 111. the knife pipe is connected with a buckle; 12. a sleeve connection portion; 121. an adjustment groove; 1211. a positioning groove a; 1212. a positioning groove b; 2. an outer cutter tube; 21. sealing the outer abutting edge; 22. a rotating hole a; 23. a negative pressure suction tube; 231. a chip removal port; 232. dividing the plate; 24. an external thread; 25. connecting sleeves of a host; 251. the host is connected with a buckle; 3. an inner cutter tube; 31. an inner blade opening part; 311. cutting teeth; 32. a shunt tube; 321. a partition plate; 322. a return orifice; 323. flushing the hole; 33. a crushing cutter; 331. a discharge port; 34. a seal ring; 35. a limiting ring; 36. a transmission connection part; 37. a suction hole; 4. an outer wash tube; 41. a rotation hole b; 42. flushing the joint; 43. an internally threaded tube.
Detailed Description
Example 1
Referring to fig. 1 to 11, the rotary uterine curettage device of the present embodiment includes a main machine 1 and an inner knife tube 3 connected to the main machine, wherein the inner knife tube is sleeved with an outer knife tube 2.
A negative pressure suction tube 23 is formed on the side wall of the rear part of the outer cutter tube; a partition plate 232 is formed at the joint of the negative pressure suction tube and the inner cavity of the outer cutter tube; the dividing plate divides the hole formed by the inner cavities of the negative pressure suction tube and the outer cutter tube into two chip removal ports 231; the crushing cutters 33 are uniformly formed on the outer side wall of the rear part of the inner cutter tube at equal angles corresponding to the positions of the negative pressure suction tubes; a discharge hole 331 is formed in the side wall of the inner cutter tube and positioned between every two adjacent crushing cutters; the positions, close to the front end and the rear end of the crushing cutter, of the outer wall of the inner cutter pipe are respectively connected with a sealing ring 34 which is hermetically connected with the inner wall of the outer cutter pipe; an outer knife opening part with an opening at one side is formed at the front part of the outer knife pipe; an inner knife edge part 31 with an opening at one side is formed at the front part of the inner knife tube; cutting teeth 311 are formed on two sides of the opening of the inner cutter opening part;
The outer cutter tube is sleeved with an outer washing tube 4; the outer wall of the outer cutter tube is positioned at the front end of the negative pressure suction tube and is formed with an external thread 24; an internal threaded pipe 43 in threaded connection with the external thread is formed at the rear end of the external washing pipe; a flushing joint 42 is formed on the side wall of the rear part of the outer flushing pipe; a sealing outer abutting edge 21 which is mutually sealed with the front end of the outer washing pipe is formed on the periphery of the opening side of the outer knife-edge part; the sealing outer abutting edge enables a gap which can enable water to flow to be formed between the outer wall of the outer cutter tube and the inner wall of the outer washing tube; a rotating hole a22 is formed in the center of the front end of the outer knife-edge part; a rotating hole b41 is formed in the center of the front end of the outer washing pipe; a shunt pipe 32 inserted in the rotating hole a and the rotating hole b is formed in the center of the front end of the inner cutter opening part; a partition plate 321 is formed in the middle of the shunt pipe; flushing holes 323 and backflow holes 322 which are uniformly distributed at equal angles are respectively formed in the side wall of the shunt pipe on the front side and the rear side of the partition plate; the diameters of the flushing hole and the backflow hole are equal to the width of a gap between the outer wall of the outer cutter tube and the inner wall of the outer flushing tube;
The rear end of the outer cutter tube is provided with a main machine connecting sleeve; a host connecting buckle is arranged on the side wall of the host connecting sleeve; the front end of the host is formed with a sleeve connecting part; an adjusting groove in sliding connection with the host connecting buckle is formed in the outer wall of the sleeve connecting part; and two ends of the adjusting groove are respectively provided with a positioning groove a and a positioning groove b.
A suction hole 37 is formed at the position of the front end of the inner knife edge part far away from the side opening.
The rear end of the inner cutter tube is provided with a transmission connecting part 36; the transmission connecting part is connected with the host.
When need wash alone, with host computer connecting buckle and positioning groove a cooperation, the flushing hole is arranged in the gap between outer sword pipe outer wall and the outer washing pipe inner wall.
When the suction is needed to be carried out independently, the inner knife edge part rotates to the state that the side opening is opposite to the side opening of the outer knife edge part, and the suction hole is in a conduction state.
When rotary cutting is needed, the main machine connecting buckle is matched with the positioning groove b, the backflow hole is located in a gap between the outer wall of the outer cutter tube and the inner wall of the outer washing tube, and the main machine is started simultaneously.
When the uterine rotary cutting device is used for carrying out rotary cutting on a uterus, a host 1 is held by the left hand, the host connecting sleeve 25 at the rear end of an outer cutter tube 2 is rotated by the right hand, a host connecting buckle 251 and a positioning groove b1212 are mutually clamped, at the moment, the outer cutter tube moves to the rear limit, a switch on the host is pressed, a motor drives an inner cutter tube to rotate, a suction valve on a negative pressure suction tube is opened, a flushing valve on a flushing connector is opened, the opening of an inner cutter opening part is aligned with the uterus, the uterus is sucked into the range of the inner cutter opening part under the action of negative pressure, and cutting teeth at the upper end of the inner cutter opening part are meshed with the.
Meanwhile, water flows to the shunt tube 32 through a gap between the outer cutter tube and the outer washing tube, the backflow hole 322 is located in the gap between the outer cutter tube and the outer washing tube due to movement of the outer cutter tube to the rear limit, the shunt tube inner partition plate 321 blocks the water, the water flows into the inner cavity of the inner cutter tube from the backflow hole, cut uterine tissue moves to the rear part of the washing sleeve through traction of water flow due to suction of the negative pressure suction joint, the uterine tissue moves more smoothly at the rear end of the inner cutter tube due to the fluidity of the water, and when the uterine tissue moves to the crushing cutter 33, the uterine tissue is cut into small blocks by the crushing cutter while moving to the chip removal port 231 from the discharge port 331 due to rotation of the inner cutter tube, and the small blocks of uterine tissue are discharged through the negative pressure suction joint. In addition, the water entering the inner cutter tube can counteract the fluctuation of the carbon dioxide pressure in the abdominal cavity caused by partial negative pressure suction.
The abdominal cavity needs to be washed after the rotary cutting of the uterus is finished, at the moment, the host connecting sleeve at the rear end of the washing sleeve is rotated, the host connecting buckle is clamped with the positioning groove a1211 on the adjusting groove, at the moment, the washing sleeve moves to the front limit, the upper washing hole 323 of the shunt pipe is positioned in a gap between the outer cutter pipe and the outer washing pipe, and therefore water can flow out of the washing hole.
Need attract after washing the completion, it is relative with the side opening of outer sword pipe to rotate the side opening of interior sword oral area through host computer control interior sword pipe for attract the hole and be in the conducting state, open and attract the valve and can attract through attracting the hole.
The water inlet passage and the soft tissue backflow carrying passage are two passages, so that water cannot carry soft tissue residues remained on the inner wall of the inner cutter tube to return to the body of a patient again when flushing is carried out.
Example 2
The present embodiment is modified from embodiment 1 as follows: and a limiting ring 35 which is rotatably inserted in the main machine and is used for axially positioning the inner cutter is formed on the outer wall of the rear part of the inner cutter.
example 3
the present embodiment is modified from embodiment 1 as follows: the rear end of the main machine is connected with a cutter pipe connecting part sleeved with an inner cutter pipe; the side wall of the knife pipe connecting part is connected with a knife pipe connecting buckle 111 for fixing an inner knife pipe, and the knife pipe connecting buckle structure is the same as the host connecting buckle 251 structure.
Claims (3)
1. A uterine rotary cutter comprises a host and an inner cutter tube connected with the host, and is characterized in that: the inner cutter tube is sleeved with the outer cutter tube;
A negative pressure suction tube is formed on the side wall of the rear part of the outer cutter tube; a partition plate is formed at the joint of the negative pressure suction tube and the inner cavity of the outer cutter tube; the dividing plate divides a hole formed by the inner cavities of the negative pressure suction tube and the outer cutter tube into two chip removal ports; the outer side wall of the rear part of the inner cutter tube is uniformly formed with crushed aggregate cutters at equal angles corresponding to the position of the negative pressure suction tube; a discharge hole is formed in the side wall of the inner cutter pipe between every two adjacent crushing cutters; the positions, close to the front end and the rear end of the crushing cutter, of the outer wall of the inner cutter pipe are respectively connected with a sealing ring which is hermetically connected with the inner wall of the outer cutter pipe; an outer knife opening part with an opening at one side is formed at the front part of the outer knife pipe; an inner knife edge part with an opening at one side is formed at the front part of the inner knife tube; cutting teeth are formed on two sides of the opening of the inner cutter opening;
The outer cutter tube is sleeved with an outer washing tube; the outer wall of the outer cutter tube is positioned at the front end of the negative pressure suction tube and is formed with an external thread; an internal threaded pipe in threaded connection with the external thread is formed at the rear end of the external washing pipe; a flushing joint is formed on the side wall of the rear part of the outer flushing pipe; a sealing outer abutting edge mutually sealed with the front end of the outer washing pipe is formed on the periphery of the opening side of the outer knife opening; the sealing outer abutting edge enables a gap which can enable water to flow to be formed between the outer wall of the outer cutter tube and the inner wall of the outer washing tube; a rotating hole a is formed in the center of the front end of the outer cutter opening part; a rotating hole b is formed in the center of the front end of the outer washing pipe; a shunt pipe inserted in the rotating hole a and the rotating hole b is formed in the center of the front end of the inner cutter opening part; a partition plate is formed in the middle of the shunt pipe; the side walls of the shunt tubes are positioned at the front side and the rear side of the partition plate and are respectively provided with flushing holes and backflow holes which are uniformly distributed at equal angles; the diameters of the flushing hole and the backflow hole are equal to the width of a gap between the outer wall of the outer cutter tube and the inner wall of the outer flushing tube;
the rear end of the outer cutter tube is provided with a main machine connecting sleeve; a host connecting buckle is arranged on the side wall of the host connecting sleeve; the front end of the host is formed with a sleeve connecting part; an adjusting groove in sliding connection with the host connecting buckle is formed in the outer wall of the sleeve connecting part; two ends of the adjusting groove are respectively provided with a positioning groove a and a positioning groove b;
a suction hole is formed at the front end of the inner knife edge part far away from the side opening;
The rear end of the inner cutter tube is a transmission connecting part; the transmission connecting part is connected with the host;
When the outer cutter tube needs to be washed independently, the main machine connecting buckle is matched with the positioning groove a, and the washing hole is positioned in a gap between the outer wall of the outer cutter tube and the inner wall of the outer washing tube;
When the suction is needed to be carried out independently, the inner cutter opening part rotates to the state that the side opening is opposite to the side opening of the outer cutter opening part, and the suction hole is in a conduction state;
when rotary cutting is needed, the main machine connecting buckle is matched with the positioning groove b, the backflow hole is located in a gap between the outer wall of the outer cutter tube and the inner wall of the outer washing tube, and the main machine is started simultaneously.
2. A rotary uterine curettage device according to claim 1, wherein: and a limiting ring which is rotatably inserted in the main machine and is used for axially positioning the inner cutter is formed on the outer wall of the rear part of the inner cutter.
3. A rotary uterine curettage device according to claim 1, wherein: the rear end of the main machine is connected with a cutter pipe connecting part sleeved with an inner cutter pipe; the side wall of the knife tube connecting part is connected with a knife tube connecting buckle for fixing the inner knife tube, and the knife tube connecting buckle structure is the same as the host connecting buckle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485366.0A CN108852480B (en) | 2018-05-21 | 2018-05-21 | Rotary uterine curettage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485366.0A CN108852480B (en) | 2018-05-21 | 2018-05-21 | Rotary uterine curettage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108852480A CN108852480A (en) | 2018-11-23 |
| CN108852480B true CN108852480B (en) | 2019-12-10 |
Family
ID=64334081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810485366.0A Expired - Fee Related CN108852480B (en) | 2018-05-21 | 2018-05-21 | Rotary uterine curettage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108852480B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456689A (en) * | 1993-10-13 | 1995-10-10 | Arnold J. Kresch | Method and device for tissue resection |
| KR100370628B1 (en) * | 1999-11-02 | 2003-02-05 | 주식회사 엠아이텍 | Colonic irrigator |
| EP1462057A1 (en) * | 2003-03-24 | 2004-09-29 | Pantarhei Bioscience B.V. | Sampler for taking samples from a body cavity, such as cervical samples |
| US9095366B2 (en) * | 2007-04-06 | 2015-08-04 | Hologic, Inc. | Tissue cutter with differential hardness |
| US8414606B2 (en) * | 2010-10-22 | 2013-04-09 | Medtronic Xomed, Inc. | Method and apparatus for removing material from an intervertebral disc space and preparing end plates |
| US8568418B2 (en) * | 2011-10-03 | 2013-10-29 | Gyrus Ent L.L.C. | Apparatus for controlling position of rotary surgical instrument |
| CN203182991U (en) * | 2013-03-29 | 2013-09-11 | 杭州桐庐医达器械设备有限公司 | Multifunctional suction rotary cutter |
-
2018
- 2018-05-21 CN CN201810485366.0A patent/CN108852480B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108852480A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2797483A1 (en) | Powered surgical tissue cutting instrument having an irrigation system | |
| CN209932898U (en) | Peritoneoscope release forceps with attract function | |
| CN111685854A (en) | Underwater planing system capable of avoiding bladder injury and using method | |
| CN216394195U (en) | Bendable medical planing knife | |
| CN108852480B (en) | Rotary uterine curettage device | |
| CN108577935B (en) | Rotary uterine cutter for gynecological operation | |
| CN114404138A (en) | Glass cutting head for cutting vitreous body of ophthalmology department | |
| CN213347103U (en) | Rotary-cut formula peritoneoscope aspirator | |
| CN101019776A (en) | Bloodless liver exsector | |
| CN108577948B (en) | A kind of gynecological surgery rotary uterus cutter | |
| CN109770999B (en) | Surgical cutter | |
| CN209770493U (en) | Surgical cutter | |
| CN117017391A (en) | Split lengthened electric cutting anastomat | |
| CN201076516Y (en) | Bipolar non-stick electric coagulation forceps | |
| CN208405543U (en) | Gynaecology is through suctioning device in abdomen and Laparoscopic Surgery | |
| CN215192046U (en) | Minimally invasive rotary cutter for breast tumor | |
| CN102697537B (en) | Surgical aspirator | |
| CN210872127U (en) | Double-hole air-jet dental high-speed turbine handpiece | |
| CN208809157U (en) | Laparoscope multifunction aspirator | |
| CN106013358A (en) | Toilet dredging device | |
| CN206687764U (en) | One kind enlarge the bosom shaping strip suction electric hook | |
| CN215308963U (en) | Joint flushing system | |
| CN117204942B (en) | Manual-control holding type adjustable-pressure flushing suction electrocoagulation cutter | |
| CN217245134U (en) | Glass cutting head for cutting vitreous body of ophthalmology department | |
| CN204766717U (en) | Set up medical aspirator of filtration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cui Fenghua Inventor after: Pu Zhenhua Inventor after: Hu Yue Inventor before: Hu Yue |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191111 Address after: 266555 Huangpu Road, Huangdao District, Shandong, Qingdao, 9 Applicant after: Qingdao Huangdao District Central Hospital Address before: Hangzhou City, Zhejiang Province, Binjiang District Puyan street 310053 Waterfront Road 546 Applicant before: Hu Yue |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |