CN214907774U

CN214907774U - Vaginal cutter for hysterectomy

Info

Publication number: CN214907774U
Application number: CN202120727495.3U
Authority: CN
Inventors: 顾海风; 顾仰葵
Original assignee: Sun Yat Sen University Cancer Center
Current assignee: Sun Yat Sen University Cancer Center
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-30
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to a cutterbar technical field discloses a cutterbar for uterus extirpation, is equipped with cutting device, grip slipper and nail anvil, and the grip slipper is equipped with out nail mouth, nail storehouse, anastomotic nail and pushes away the nail mechanism, and the nail anvil is equipped with and supports the nail groove, and cutting device's cutter sets up in one side of going out the nail mouth. The utility model discloses a vaginal cutter for uterus enucleation, the nail of anastomosis nail is gone into the position between uterus and cutter, earlier goes into the vagina with anastomosis nail, cuts off the vagina by the cutter again, like this alright be applicable to uterus enucleation operation, need not that the doctor is manual to sew up the vaginal stump of connection on the uterus, reduce the operation degree of difficulty, reduce the operation time.

Description

Vaginal cutter for hysterectomy

Technical Field

The utility model relates to the technical field of colposcope, in particular to a colposcope for hysterectomy.

Background

Hysterectomy under a laparoscope is an important means for treating gynecological tumors, and has the technical advantages of small incision, quick recovery of patients and the like. However, since 2018 the LACC research on cervical cancer in the United states was published in New England medical journal of International Authority, the position of laparoscopic surgery in the aspect of gynecological tumor surgery treatment is controversial. One of the important reasons is that in the open state, the vaginal dissection is likely to cause the uterine tumor to spread. In order to prevent the uterine lesion from falling out of the vagina, the vaginal stump close to the uterus is usually closed before the excision, so that the treatment effect is ensured. In the prior art, generally, a doctor manually sews the vaginal stumps close to the uterus, the time consumption is long, the sealing effect is not exact, and the anastomat for the intestinal tract can seal the two stumps after the vagina is cut off, so that the uterus cannot be taken out of the vagina and the hysterectomy operation cannot be applied.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a colpotome for hysterectomy, can be applicable to the hysterectomy operation, still need not the doctor and manually sews up the incomplete end of vagina that connects on the uterus, reduces the operation degree of difficulty, reduces operation time.

In order to achieve the purpose, the utility model provides a colpotome for hysterectomy, which comprises a handle and an executing device arranged at one end of the handle, wherein the executing device comprises a cutting device, a clamping seat fixedly arranged on the handle and a nail anvil hinged with the handle; a nail bin is arranged in the clamping seat, an anastomosis nail and a nail pushing mechanism are arranged in the nail bin, a nail outlet is arranged on the surface of the clamping seat facing the nail anvil, the nail outlet is communicated with the nail bin, the nail pushing mechanism can push the anastomosis nail out of the nail outlet, and a nail abutting groove corresponding to the nail outlet is arranged on the nail anvil; the cutting device comprises a cutter and a push-type broach mechanism, the handle is provided with an inner cavity and a broach outlet corresponding to the accommodating space, the inner cavity is communicated with the broach outlet, the push-type broach mechanism is arranged in the inner cavity, the pushing end of the push-type broach mechanism is fixedly connected with the cutter, the push-type broach mechanism can push the cutter to enter the accommodating space from the broach outlet, and when the cutter is located in the accommodating space, the cutter is located on one side of the nail outlet.

Optionally, a first sliding groove is formed in the clamping seat and located on one side of the nail outlet, the first sliding groove corresponds to the cutter outlet, and the first sliding groove can be slidably connected with the cutter.

Optionally, a second chute corresponding to the first chute is arranged on the nail anvil, the second chute is arranged corresponding to the knife outlet, and the second chute can be slidably connected with the cutter.

Optionally, a boss is arranged on the clamping seat, the boss and the nail outlet are respectively located on two sides of the first sliding groove, the boss protrudes out of the plane where the nail outlet is located, and when the nail anvil is closed, a distance is formed between the boss and the nail anvil.

Optionally, the push broach mechanism includes a first driving motor, an output end of the first driving motor is connected to the cutter, an output end of the first driving motor is a pushing end of the push broach mechanism, and the first driving motor drives the cutter to do linear reciprocating motion.

Optionally, the anvil and the handle are rotatably connected through a rotating shaft.

Optionally, the colposcope for hysterectomy further comprises a second driving motor, and the second driving motor can drive the rotating shaft to rotate so as to realize the opening and closing of the anvil.

Optionally, the handle is provided with a button electrically connected to the push-type broach mechanism, the second driving motor and the nail pushing mechanism respectively.

Optionally, the staple pushing mechanism includes a third driving motor and a push plate, the third driving motor is fixedly disposed in the staple cartridge, the push plate is disposed at an output end of the third driving motor, and the third driving motor pushes the staples out of the staple cartridge through the push plate.

Optionally, a guide groove is formed in the nail bin, the anastomosis nail is inserted into the guide groove and is slidably connected with the guide groove, and the guide groove extends to the nail outlet.

The utility model provides a colpotome for hysterectomy, compared with the prior art, the utility model has the advantages that:

the utility model discloses a cutter for vagina that uterus enucleated sets up the cutter through the one side at the play nail mouth of anastomosis nail, and when uterus enucleation operation, the position is gone into to the nail of anastomosis nail between uterus and cutter, earlier goes into the vagina with the anastomosis nail, cuts off the vagina by the cutter again, like this alright be applicable to uterus enucleation operation, need not that the doctor is manual to sew up the vaginal stub of connection in the uterus, reduce the operation degree of difficulty, reduce the operation time.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the opening of the nail anvil according to the embodiment of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the embodiment of the present invention.

Fig. 4 is an enlarged schematic view at a.

Fig. 5 is a schematic view of a cartridge.

FIG. 6 is a schematic view of an anvil.

In the figure, 1, a handle; 2. an execution device; 11. an inner cavity; 21. a cutting device; 22. a clamping seat; 23. a nail anvil; 24. a rotating shaft; 25. an accommodating space; 211. a cutter; 212. a push-type cutter mechanism; 221. a staple cartridge; 222. anastomosis nails; 223. a nail pushing mechanism; 224. a nail outlet; 225. a first chute; 2231. a third drive motor; 2232. pushing the plate; 231. a nail abutting groove; 232. a second runner.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a colpotome for hysterectomy according to a preferred embodiment of the present invention comprises a handle 1 and an executing device 2 disposed at one end of the handle 1, wherein the executing device 2 comprises a cutting device 21, a clamping seat 22 fixedly disposed on the handle 1 and an anvil 23 hinged to the handle 1, and when the anvil 23 is closed, an accommodating space 25 for accommodating vagina is provided between the clamping seat 22 and the anvil 23; a nail bin 221 is arranged in the clamping seat 22, staples 222 and a staple pushing mechanism 223 are arranged in the nail bin 221, a nail outlet 224 is arranged on the surface of the clamping seat 22 facing the nail anvil 23, the nail outlet 224 is communicated with the nail bin 221, the staple pushing mechanism 223 can push the staples 222 out of the nail outlet 224, and a nail abutting groove 231 corresponding to the nail outlet 224 is arranged on the nail anvil 23; the cutting device 21 comprises a cutter 211 and a push-type broach mechanism 212, the handle 1 is provided with an inner cavity 11 and a broach outlet corresponding to the accommodating space 25, the inner cavity 11 is communicated with the broach outlet, the push-type broach mechanism 212 is arranged in the inner cavity 11, the pushing end of the push-type broach mechanism 212 is fixedly connected with the cutter 211, the push-type broach mechanism 212 can push the cutter 211 to enter the accommodating space 25 from the broach outlet, and when the cutter 211 is located in the accommodating space 25, the cutter 211 is located on one side of the nail outlet 224.

In the hysterectomy, the executing device 2 extends into the abdomen of a patient, the anvil 23 is opened, the vagina is placed in the accommodating space 25, and then the anvil 23 is closed, thereby limiting the position of the vagina. Staple pushing mechanism 223 then pushes staples 222 out of cartridge 221, and staples 222 and staple abutting grooves 231 cooperate with each other to achieve vaginal anastomosis. Thereafter, the cutter 211 is pushed by the pusher mechanism 212 to cut the vagina. The nailing position of the staple 222 is between the uterus and the cutter 211, the staple 222 is firstly nailed into the vagina, and then the vagina is cut off by the cutter 211, so that the surgical instrument is suitable for the hysterectomy, the manual suturing of the vaginal stump connected to the uterus by a doctor is not needed, the surgical difficulty is reduced, and the surgical time is shortened.

Referring to fig. 5, the clamping seat 22 is provided with a first sliding groove 225, the first sliding groove 225 is located at one side of the nail outlet 224, the first sliding groove 225 is disposed corresponding to the knife outlet, and the first sliding groove 225 can be slidably connected to the knife 211. By providing the first sliding groove 225, the cutting blade 211 can slide in the first sliding groove 225, and the cutting blade 211 can be guided. Referring to fig. 6, the anvil 23 is provided with a second chute 232 corresponding to the first chute 225, the second chute 232 is corresponding to the knife outlet, and the second chute 232 can be slidably connected to the cutting knife 211. The second sliding groove 232 can also play a guiding role for the cutting knife 211, and under the matching of the first sliding groove 225 and the second sliding groove 232, the track of the cutting knife 211 can be ensured not to deviate.

In this embodiment, the holder 22 is provided with a boss, the boss and the nail outlet 224 are respectively located at two sides of the first sliding slot 225, the boss protrudes out of the plane of the nail outlet 224, and when the nail anvil 23 is closed, the boss is spaced from the nail anvil 23. Due to the arrangement of the boss, when the anvil 23 is closed, the vagina can be clamped by the boss and the anvil 23, and the position deviation of the vagina is prevented.

Referring to fig. 3, the push-type broach mechanism 212 includes a first driving motor, an output end of the first driving motor is connected to the cutter 211, an output end of the first driving motor is a pushing end of the push-type broach mechanism 212, and the first driving motor drives the cutter 211 to perform a linear reciprocating motion. After the staples 222 are driven into the vagina, the first driving motor pushes the cutting knife 211 out of the lumen 11, cutting the vagina.

The anvil 23 is rotatably connected with the handle 1 through a rotating shaft 24. By this pivot 24, the anvil 23 can be opened and closed. The colposcope of the embodiment further comprises a second driving motor, and the second driving motor can drive the rotating shaft 24 to rotate so as to realize the opening and closing of the anvil 23. The rotating shaft 24 can be fixed on the anvil 23, and the rotating shaft 24 can be rotatably connected with the handle 1, so that the second driving motor drives the rotating shaft 24 to rotate, and then the anvil 23 can be driven to open or close.

Referring to fig. 4, the staple pushing mechanism 223 includes a third driving motor 2231 and a push plate 2232, the third driving motor 2231 is fixedly disposed in the staple cartridge 221, the push plate 2232 is disposed at an output end of the third driving motor 2231, and the third driving motor 2231 pushes the staples 222 out of the staple cartridge 221 through the push plate 2232. Third drive motor 2231, when activated, can push staples 222 out of cartridge 221 to ensure that staples 222 can be driven into the vagina. A guide groove is formed in the staple cartridge 221, the staples 222 are inserted into the guide groove and slidably connected with the guide groove, and the guide groove extends to the staple outlet 224. The guide groove guides the staples 222, and when the third driving motor 2231 pushes the staples 222, the staples 222 slide in the guide groove, so as to ensure that the action tracks of the staples 222 do not deviate.

In this embodiment, the handle 1 is provided with buttons electrically connected to the push-type broach mechanism 212, the second driving motor, and the nail pushing mechanism 223, respectively. In this embodiment, the buttons are electrically connected to the first driving motor, the second driving motor and the third driving motor 2231, respectively. By the arrangement, when in operation, a doctor can control the opening and closing of the nail anvil 23, the anastomosis and the vaginal cutting operation by pressing the button, so that the doctor can operate conveniently.

To sum up, the embodiment of the utility model provides a colpotome for hysterectomy, it is applicable in the hysterectomy operation, need not that the doctor is manual to sew up the vaginal stump of connection on the uterus, reduces the operation degree of difficulty, reduces the operation time.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A colpotome for hysterectomy is characterized by comprising a handle and an executing device arranged at one end of the handle, wherein the executing device comprises a cutting device, a clamping seat fixedly arranged on the handle and a nail anvil hinged with the handle;

a nail bin is arranged in the clamping seat, an anastomosis nail and a nail pushing mechanism are arranged in the nail bin, a nail outlet is arranged on the surface of the clamping seat facing the nail anvil, the nail outlet is communicated with the nail bin, the nail pushing mechanism can push the anastomosis nail out of the nail outlet, and a nail abutting groove corresponding to the nail outlet is arranged on the nail anvil;

the cutting device comprises a cutter and a push-type broach mechanism, the handle is provided with an inner cavity and a broach outlet corresponding to the accommodating space, the inner cavity is communicated with the broach outlet, the push-type broach mechanism is arranged in the inner cavity, the pushing end of the push-type broach mechanism is fixedly connected with the cutter, the push-type broach mechanism can push the cutter to enter the accommodating space from the broach outlet, and when the cutter is located in the accommodating space, the cutter is located on one side of the nail outlet.

2. The colpectomy cutter for the hysterectomy of claim 1, wherein a first sliding groove is formed in the holder, the first sliding groove is positioned on one side of the nail outlet, the first sliding groove is arranged corresponding to the knife outlet, and the first sliding groove can be slidably connected with the cutting knife.

3. The colpotome for the hysterectomy as claimed in claim 2, wherein the anvil is provided with a second chute corresponding to the first chute, the second chute is corresponding to the knife outlet, and the second chute can be slidably connected with the cutting knife.

4. The colpotomy for the hysterectomy as claimed in claim 2, wherein a boss is arranged on the clamping seat, the boss and the nail outlet are respectively positioned at two sides of the first sliding groove, the boss protrudes out of the plane of the nail outlet, and when the nail anvil is closed, a distance is reserved between the boss and the nail anvil.

5. The colposcope for hysterectomy of claim 1, wherein the push-type knife mechanism comprises a first driving motor, the output end of the first driving motor is connected with the cutting knife, the output end of the first driving motor is the pushing end of the push-type knife mechanism, and the first driving motor drives the cutting knife to do linear reciprocating motion.

6. The colpectomy cutter of claim 1 wherein the anvil and the handle are rotatably connected by a rotating shaft.

7. The colposcope for hysterectomy of claim 6, further comprising a second drive motor configured to drive rotation of the shaft to effect opening and closing of the anvil.

8. The colpotome for the hysterectomy of claim 7 wherein the handle is provided with buttons that are electrically connected to the push-knife mechanism, the second drive motor and the push-pin mechanism respectively.

9. The colposcope for hysterectomy of claim 1, wherein the staple pushing mechanism comprises a third driving motor and a push plate, the third driving motor is fixedly arranged in the staple cartridge, the push plate is arranged at the output end of the third driving motor, and the third driving motor pushes the staples out of the staple cartridge through the push plate.

10. The colposcope for hysterectomy of claim 1, wherein a guide groove is arranged in the staple cartridge, the staples are inserted in the guide groove and are slidably connected with the guide groove, and the guide groove extends to the staple outlet.