CN114145798A

CN114145798A - Blood vessel anastomat for gynecological and obstetrical operations

Info

Publication number: CN114145798A
Application number: CN202111499925.1A
Authority: CN
Inventors: 代娟霞; 张温温
Original assignee: First Affiliated Hospital of Henan University of Science and Technology
Current assignee: First Affiliated Hospital of Henan University of Science and Technology
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-03-08

Abstract

An operation vascular anastomat for obstetrics and gynecology effectively solves the problem that the existing vascular anastomat is inconvenient to use; the device comprises a shell, wherein the left end of the shell is connected with a clamping plate in a sliding manner, a push-pull block positioned between the two clamping plates is connected in the shell in a sliding manner, opposite ends of the two clamping plates are respectively connected with the push-pull block through a connecting rope, the front side and the rear side in the shell are respectively connected with a left axial rotating column and a right axial rotating column in a rotating manner, the sleeve and the rotating column on the same side are connected through a belt, a filling plate is arranged on the belt, a connecting block is arranged in the shell, the clamping plates are connected with the filling plate, a needle ring is detachably connected in the filling plate on the upper side, a U-shaped plate is connected in the shell in a sliding manner, the front side and the rear side of the U-shaped plate are respectively provided with the tamping columns, the upper end of the push-pull block is provided with a clamping block, a clutch plate is arranged on the clutch rod, the lower clutch plate can be in contact with the clamping block, and the upper clutch plate can be in contact with the U-shaped plate; the structure is simple, the conception is novel, the use is convenient, and the usability is strong.

Description

Blood vessel anastomat for gynecological and obstetrical operations

Technical Field

The invention relates to the technical field of gynecological surgical instruments, in particular to a gynecological surgical vascular anastomat.

Background

The vascular anastomosis technique is an operation technique for connecting two blood vessels into one, and is characterized in that a patient may need to be anastomosed with a plurality of large blood vessels during gynecological operations, the vascular anastomosis is divided into a suture anastomosis method and a mechanical nail ring anastomosis method, the suture anastomosis method is that medical staff manually suture the blood vessels by using an operation needle, an operation line and the like, but the suture anastomosis method is complicated in operation, long in operation time and high in requirements for personal abilities of doctors, and the operation method is difficult to master skillfully in a short period without training.

The mechanical blood vessel nail ring anastomosis method adopts 2 needle rings, each needle ring comprises a plurality of fixing needles and fixing holes which are uniformly distributed, the broken end of a blood vessel at one side passes through an inner hole of the needle ring and then is turned outwards for 90 degrees to be fixed on the fixing needles, the blood vessel at the other end is repeatedly subjected to the operation, the fixing needles and the fixing holes of the two needle rings are embedded and involuted with each other after the operation is finished, the connection anastomosis of the broken ends of the two blood vessels is realized, but the device can only fix one blood vessel at a time, the anastomat is taken out of a patient after the fixation is finished, the needle rings are refilled and then anastomosed again, the anastomosis of a plurality of blood vessels can be carried out in a gynecological operation, the time and the labor are wasted when the needle rings are repeatedly taken out of the patient and refilled, and the operation time is prolonged.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the blood vessel anastomat for the gynecological operation, and the problem that the existing blood vessel anastomat is inconvenient to use is effectively solved.

The technical scheme includes that the device comprises a shell with an opening facing left, wherein the front side and the rear side of the left end of the shell are respectively connected with a needle clamping plate extending out of the opening in a sliding manner, the two needle clamping plates are U-shaped and have opposite openings, a push-pull block positioned between the two needle clamping plates is connected in the shell in a sliding manner, opposite ends of the two needle clamping plates are respectively connected with the push-pull block through connecting ropes, the front side and the rear side of the shell are respectively connected with a left-right axial rotating column and a sleeve in a rotating manner, the sleeve can rotate along with the sliding of the push-pull block, the sleeve on the same side is connected with the rotating column through a belt, the belt is provided with a plurality of U-shaped filling plates with outward openings, the front side and the rear side of the shell are respectively provided with U-shaped connecting blocks with upward openings, the needle clamping plates can be connected with the filling plates on the corresponding sides through the connecting blocks, and needle rings capable of being inserted into the needle clamping plates on the corresponding sides are detachably connected in the filling plates on the upper side;

the shell in be connected with and be located the right-hand U-shaped board that just opening down of push-and-pull piece, axial pillar ramming about both sides are equipped with respectively around the U-shaped board, the pillar ramming can pass the filling plate and can insert in its card faller that corresponds the side, push-and-pull piece upper end is equipped with the fixture block, be equipped with the clutch lever that is located push-and-pull piece top in the shell, clutch lever both sides slip from side to side and can slide from top to bottom, both ends are equipped with the baffle respectively about the clutch lever, both ends articulate respectively about the clutch lever has the clutch plate that is located between two baffles, relative and its back of the body end of leaving the body can contact rather than the baffle that corresponds the side respectively about two clutch plates, the clutch plate of downside can contact with the fixture block contact and the clutch plate of upside can contact with the U-shaped board.

The invention has the beneficial effects that: can be after anastomosing the blood vessel automatically filling new needle ring, need not to take out the patient external and the manual work loads the needle ring, only need medical personnel about promote the push pedal can, easy and simple to handle, labour saving and time saving.

Drawings

FIG. 1 is a front isometric view of the present invention.

FIG. 2 is a top isometric view in full section of the present invention.

Figure 3 is a top isometric view in partial cutaway of the present invention.

FIG. 4 is a right isometric view in full section of the present invention.

FIG. 5 is a step cut front isometric view of the present invention.

Figure 6 is a cut-away front isometric view of the present invention.

Figure 7 is a cut-away rear isometric view of the present invention.

Figure 8 is an isometric cut-away view of the sleeve and insert post of the present invention.

Fig. 9 is a perspective view of a cannula according to the present invention.

Fig. 10 is an enlarged view of a in fig. 2 of the present invention.

Fig. 11 is an enlarged view of B of fig. 3 according to the present invention.

Fig. 12 is an enlarged view of C of fig. 3 according to the present invention.

Fig. 13 is an enlarged view of D of fig. 6 of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The needle clamping device comprises a shell 1 with a leftward opening, wherein the front side and the rear side of the left end of the shell 1 are respectively connected with a needle clamping plate 2 extending out of the opening in a sliding manner, the two needle clamping plates 2 are U-shaped and have opposite openings, a push-pull block 3 positioned between the two needle clamping plates 2 is connected in the shell 1 in a sliding manner, opposite ends of the two needle clamping plates 2 are respectively connected with the push-pull block 3 through connecting ropes 4, the front side and the rear side in the shell 1 are respectively connected with a left axial rotating column 5 and a right axial sleeve 6 in a rotating manner, the sleeve 6 can rotate along with the sliding of the push-pull block 3, the sleeve 6 and the rotating column 5 on the same side are connected through a belt 7, a plurality of U-shaped filling plates 8 with outward openings are arranged on the belt 7, U-shaped connecting blocks 9 with upward openings are respectively arranged on the front side and the rear side in the shell 1, the needle clamping plates 2 can be connected with the filling plates 8 on the corresponding sides through the connecting blocks 9, and needle rings 10 capable of being inserted into the needle clamping plates 2 on the corresponding sides are detachably connected in the filling plates 8 on the upper side;

the improved push-pull type stamping die is characterized in that a U-shaped plate 11 which is located at the right side of a push-pull block 3 and has a downward opening is connected in a sliding mode in the shell 1, left and right axial tamping columns 12 are arranged on the front side and the rear side of the U-shaped plate 11 respectively, the tamping columns 12 can penetrate through a filling plate 8 and can be inserted into a clamping needle plate 2 on the corresponding side of the tamping column 12, a clamping block 13 is arranged at the upper end of the push-pull block 3, a clutch rod 14 located above the push-pull block 3 is arranged in the shell 1, the clutch rod 14 can slide left and right and up and down, baffles 15 are arranged at the upper end and the lower end of the clutch rod 14 respectively, clutch plates 16 located between the two baffles 15 are hinged to the upper end and the lower end of the clutch rod 14 respectively, the left end and the right end of each clutch plate 16 can be in contact with the baffle 15 on the corresponding side, the clutch plate 16 on the lower side can be in contact with the clamping block 13, and the clutch plate 16 on the upper side can be in contact with the U-shaped plate 11.

In order to enable the sleeve 6 to rotate along with the sliding of the push-pull block 3, a connecting plate 17 is arranged at the right end of the push-pull block 3, sliding posts 18 inserted into the sleeve 6 at the corresponding sides of the connecting plate 17 are respectively arranged at the front side and the rear side of the connecting plate 17, transverse grooves 19 in the left-right direction are respectively formed at the front side and the rear side of the sleeve 6, inclined grooves 20 communicated with the transverse grooves 19 are respectively formed at the upper side and the lower side of the sleeve 6, inserting posts 21 capable of being inserted into the transverse grooves 19 are arranged on the sliding posts 18, and elastic plates 22 are respectively arranged at the joints of the transverse grooves 19 and the inclined grooves 20.

In order to make the clutch lever 14 slide up and down, a guide plate 23 is arranged in the housing 1, the upper and lower sides of the guide plate 23 are respectively provided with a front-back through and left-right direction flat groove 24, the two flat grooves 24 are opposite left and right and are communicated through a left-low-right-high connecting groove 25, and the front end of the clutch lever 14 is provided with a guide post 26 which can be inserted into the flat groove 24.

In order to make the clutch lever 14 slide left and right, the upper side wall of the housing 1 is provided with a slide groove 27 which is through up and down in the left-right direction, a U-shaped push block 28 with a downward opening is connected in the slide groove 27 in a sliding manner, the clutch lever 14 is positioned in the push block 28 and is connected with the push block 28 in a sliding manner, and the upper end of the push block 28 is provided with a push plate.

In order to reset the two needle clamping plates 2 and the push-pull block 3, the front side and the rear side of the left end of the shell 1 are respectively provided with a reset plate, the two reset plates are respectively connected with the needle clamping plates 2 on the corresponding sides through main tension springs 29, a main pressure plate positioned on the right side of the connecting plate 17 is arranged in the shell 1, and the main pressure plate is connected with the connecting plate 17 through a pressure spring 30.

In order to facilitate the resetting of the U-shaped plate 11 and the clutch plate 16, the right end of the U-shaped plate 11 is provided with an auxiliary pressure plate, the auxiliary pressure plate is connected with the shell 1 through an auxiliary tension spring 31, and a hinge shaft of the clutch plate 16 is provided with a torsion spring.

In order to reduce the friction force of the connecting rope 4, the front side and the rear side in the shell 1 are respectively and rotatably connected with rollers which are in vertical axial direction and are in contact with the connecting rope 4 on the corresponding side.

In order to facilitate limiting the needle ring 10, the upper side of the needle clamping plate 2 is provided with an accommodating groove 32 with a downward opening, the bottom surface of the accommodating groove 32 is connected with a pressing block 33 capable of contacting with the needle ring 10 through a spring, the right end surface of the pressing block 33 is an inclined surface with a low left and a high right, the distance between the right end surface and the connecting block 9 is smaller than the width of the needle ring 10, and the needle clamping plate 2 is provided with a thrust plate which is positioned at the left of the accommodating groove 32 and can contact with the needle ring 10.

In order to prevent the needle ring 10 from falling, two retaining plates 34 are respectively arranged at the front side and the rear side in the casing 1, the belt 7 is positioned between the two retaining plates 34 at the corresponding side, and the rotary column 5 is rotatably connected with the retaining plates 34 at the corresponding side.

For convenience of use, the front side and the rear side of the upper side wall of the shell 1 are respectively provided with a needle supplementing groove, the needle supplementing grooves are in sliding connection with shielding plates 35, and the needle clamping plate 2 is provided with a U-shaped groove 36 with an opening facing to the left and penetrating in the front and the rear.

When the invention is used, firstly, after two sides of a blood vessel to be anastomosed are clamped by a blood vessel clamp, the broken end of the blood vessel at one side passes through the inner hole of the needle ring 10 by the U-shaped groove 36 and then turns outwards for 90 degrees to be fixed on the fixed needles of the needle rings 10 at the front sides, so as to realize the fixed limit of the blood vessel at one side, then the broken end of the blood vessel at the other side passes through the inner hole of the needle ring 10 at the rear side by the U-shaped groove 36 and then turns outwards for 90 degrees to be fixed on the fixed needles, so as to realize the fixed limit of the blood vessel at the other side, at the moment, medical personnel pull the push plate rightwards, the push plate drives the push block 28 to slide rightwards in the sliding groove 27, the push block 28 drives the clutch rod 14 to slide rightwards, the clutch rod 14 drives the guide post 26 to slide rightwards in the flat groove 24 at the lower side, meanwhile, because the clutch plate 16 is contacted with the fixture block 13 at the moment, and because the baffle plate 15 at the lower side blocks, the clutch plate 16 at the lower side cannot swing leftwards, namely cannot swing clockwise, therefore, the clutch rod 14 drives the push-pull block 3 to slide rightwards through the clutch plate 16 and the fixture block 13 on the lower side, the push-pull block 3 slides rightwards to pull the two connecting ropes 4, and the connecting ropes 4 drive the two fixture plate 2 to slide relatively;

when the push-pull block 3 pulls the two connecting ropes 4 rightwards, the connecting plate 17 is driven to slide rightwards and extrude the pressure spring 30 rightwards, the connecting plate 17 drives the two sliding columns 18 to slide rightwards in the sleeve 6, the sliding columns 18 drive the inserting columns 21 to slide rightwards in the inclined grooves 20, the inserting columns 21 contact with the elastic plates 22 and extrude the elastic plates 22 after sliding for a certain distance, at the moment, the free ends of the elastic plates 22 contact with the side walls of the sleeve 6 to prevent the inserting columns 21 from sliding into the flat grooves 24, so that the inserting columns 21 slide in the inclined grooves 20 and drive the sleeve 6 on the front side to rotate clockwise, the sleeve 6 on the rear side rotates anticlockwise, the sleeve 6 rotates to drive the belt 7 on the front side to rotate clockwise and drive the belt 7 on the rear side to rotate anticlockwise, the belt 7 on the front side rotates clockwise to drive the filling plate 8 on the belt 7 and the needle rings 10 therein to move backwards, the belt 7 on the rear side rotates anticlockwise to drive the filling plate 8 on the upper side of the belt 7 and the needle rings 10 therein to move forwards, when the clutch lever 14 drives the push-pull block 3 to slide rightwards for a certain distance, the guide column 26 slides from the flat groove 24 on the lower side to the connecting groove 25 and slides upwards in the connecting groove 25, the guide column 26 slides upwards in the connecting groove 25 to drive the clutch lever 14 to slide upwards on the push block 28, the clutch lever 14 drives the two clutch plates 16 to slide upwards and slide rightwards at the same time, when the guide column 26 reaches the flat groove 24 on the upper side, the fixed needle on the front needle ring 10 is inserted into the fixed hole on the rear needle ring 10 and is embedded, so that two broken ends of the blood vessel are connected together in an inosculating way, the filling plate 8 on the front side provided with the needle ring 10 slides backwards to the right of the connecting block 9 on the front side, the filling plate 8 on the rear side provided with the needle ring 10 slides forwards to the right of the connecting block 9 on the rear side, and the plug column 21 slides to the rightmost end of the inclined groove 20;

at the moment, the guide column 26 slides into the flat groove 24 at the upper side, the clutch rod 14 slides upwards to drive the clutch plate 16 to slide upwards, at the moment, the clutch plate 16 at the lower side is separated from the clamping block 13, at the moment, the connecting plate 17 and the push-pull block 3 are driven to slide leftwards due to the leftward restoring force of the pressure spring 30, the connecting plate 17 drives the sliding column 18 to slide leftwards in the sleeve 6 and drive the inserting column 21 to slide leftwards, the inserting column 21 slides leftwards into the flat groove 24 adjacent to the inserting column 21, at the moment, the elastic plate 22 prevents the inserting column 21 from sliding backwards into the inclined groove 20 again, the inserting column 21 slides leftwards in the flat groove 24 without driving the sleeve 6 to rotate, so that the filling plate 8 provided with the needle rings 10 cannot be displaced, at the same time, the push-pull block 3 slides leftwards to release the stretching of the connecting rope 4, at the moment, the two clamping needle plates 2 slide backwards, the two needle rings 10 slide outwards from the clamping needle plates 2 due to be combined together to be anastomosed, the two needle clamping plates 2 are respectively connected with the filling plates 8 on the corresponding sides through connecting blocks 9 at the moment after sliding for a certain distance, then the shell 1 is pulled rightwards, blood vessels on the left side and the right side slide out of the U-shaped grooves 36 to be separated from the contact with the needle clamping plates 2, and meanwhile, the push-pull block 3 returns to the initial position after sliding for a certain distance leftwards;

at this time, the push plate is continuously pulled rightwards, the push plate continuously drives the clutch lever 14 to slide rightwards through the push block 28, the guide column 26 also slides rightwards in the flat groove 24 on the upper side, the right end of the clutch plate 16 on the upper side contacts with the left end of the U-shaped plate 11 after sliding for a certain distance, at this time, due to the thrust of the U-shaped plate 11, the clutch plate 16 on the upper side swings leftwards, namely anticlockwise, after swinging for a certain angle, the clutch plate 16 on the upper side is positioned on the right side of the U-shaped plate 11, at this time, due to the restoring force of a torsion spring, the clutch plate 16 on the upper side swings rightwards to the initial position, at this time, the left end of the clutch plate 16 on the upper side contacts with the right end of the U-shaped plate 11, at this time, the guide column 26 slides to the rightmost end in the flat groove 24 on the upper side, at this time, the push plate is stopped pushing rightwards, the push plate starts to be pushed leftwards, the push plate is driven by the push plate 28, the clutch lever 14 drives the U-shaped plate 11 to slide leftwards, the auxiliary tension spring 31 is stretched leftwards while sliding, the U-shaped plate 11 drives the two tamping columns 12 on the front side and the rear side to slide leftwards, after sliding a certain distance leftwards, the tamping columns 12 are inserted into the filling plate 8 on the corresponding side and are contacted with the needle ring 10, at the moment, the guide column 26 slides leftwards in the flat groove 24 on the upper side and continues to push leftwards, the tamping columns 12 smash the needle ring 10 out of the filling plate 8 and smash the needle ring into the needle clamping plate 2 on the corresponding side through the connecting block 9, the needle ring 10 moves leftwards in the needle clamping plate 2 for a certain distance and is contacted with the inclined surface of the pressing block 33, the pressing block 33 is driven to slide upwards in the accommodating groove 32 and extrude the spring, the needle ring 10 slides leftwards for a certain distance and is contacted with the thrust plate, at the pressing block 33 downwards extrudes the needle ring 10 to limit the needle ring 10, and the needle ring 10 is prevented from sliding out of the needle clamping plate 2;

when the tamping columns 12 push the needle ring 10 to the leftmost end, at this time, the guide column 26 slides from the flat groove 24 on the upper side to the flat groove 24 on the lower side through the connecting groove 25, and simultaneously drives the clutch rod 14 to slide downwards, the clutch rod 14 drives the clutch plate 16 to slide downwards, the clutch plate 16 on the upper side slides downwards for a certain distance and then is separated from the contact with the U-shaped plate 11, at this time, due to the restoring force of the auxiliary tension spring 31, the U-shaped plate 11 drives the two tamping columns 12 to slide rightwards, and returns to the initial position after sliding for a certain distance, at this time, the push plate is continuously pushed leftwards, the clutch rod 14 continues to slide leftwards, after sliding for a certain distance, the left end of the clutch plate 16 on the lower side contacts with the right end of the fixture block 13 and presses the clutch plate 16 on the lower side to swing rightwards, at this time, because the clutch plate 16 of the torsion spring contacts, at this time, once needle ring 10 adding is completed, needle ring 10 has been located two needle ring 2, when needs are anastomosed to next blood vessel, directly pass needle ring 10 with two disconnected ends of blood vessel and reversal fix on needle ring 10, then pull the push pedal right once more can, the push pedal slides right once more and drives two needle ring 2 relative slip and coincide the blood vessel through even rope 4, it makes belt 7 rotate once more and rotate empty filling plate 8 and go away and will be equipped with filling plate 8 of needle ring 10 and rotate to the right-hand of connecting block 9 to drive insert post 21 simultaneously in chute 20, be convenient for stamp post 12 smash needle ring 10 to card needle plate 2 in, after coinciding several times, when not having needle ring 10 in the filling plate 8, open sunshade 35 this moment, can reuse in adding the filling plate 8 of upside with needle ring 10.

The invention has the beneficial effects that: the casing that is equipped with, card faller, needle ring, belt, loading board etc. can be after anastomosing the blood vessel automatic loading new needle ring, need not to take out the patient external and artifical needle ring that loads, only need medical personnel control promote the push pedal can, easy and simple to handle, labour saving and time saving, what be equipped with adds needle groove and shielding plate, can be convenient for medical personnel add the needle ring once more after the needle ring uses up, this simple structure, the design is novel, high durability and convenient use.

Claims

1. A blood vessel anastomat for gynecological operation comprises a shell (1) with a leftward opening, and is characterized in that the front side and the rear side of the left end of the shell (1) are respectively connected with a needle clamping plate (2) extending out of the opening in a sliding manner, the two needle clamping plates (2) are U-shaped and have opposite openings, a push-pull block (3) positioned between the two needle clamping plates (2) is connected in the shell (1) in a sliding manner, opposite ends of the two needle clamping plates (2) are respectively connected with the push-pull block (3) through connecting ropes (4), the front side and the rear side in the shell (1) are respectively connected with a left-right axial rotating column (5) and a sleeve (6) in a rotating manner, the sleeve (6) can rotate along with the sliding of the push-pull block (3), the sleeve (6) on the same side is connected with the rotating column (5) through a belt (7), a plurality of U-shaped and outward-opening filling plates (8) are arranged on the belt (7), and U-shaped and upward-opening connecting blocks (9) are respectively arranged on the front side and the rear side in the shell (1), the needle clamping plate (2) can be connected with a filling plate (8) on the corresponding side through a connecting block (9), and a needle ring (10) which can be inserted into the needle clamping plate (2) on the corresponding side is detachably connected in the filling plate (9) on the upper side;

casing (1) sliding connection have be located push block (3) right-hand and opening U shaped plate (11) down, axial pillar (12) about U shaped plate (11) front and back both sides are equipped with respectively, pillar (12) can pass packing plate (8) and can insert in its card faller (2) that correspond the side, push block (3) upper end is equipped with fixture block (13), be equipped with clutch lever (14) that are located push block (3) top in casing (1), clutch lever (14) both can the horizontal slip and can slide from top to bottom, both ends are equipped with baffle (15) respectively about clutch lever (14), both ends articulate clutch plate (16) that are located between two baffle (15) respectively about two clutch plate (16) and relative and its looks back end respectively can contact rather than the baffle (15) that correspond the side, clutch plate (16) of downside can contact with fixture block (13) and clutch plate (16) of upside can contact with U shaped plate (11).

2. The gynecological operation vascular anastomat according to claim 1, characterized in that a connecting plate (17) is arranged at the right end of the push-pull block (3), sliding columns (18) inserted into sleeves (6) on the corresponding sides of the connecting plate are respectively arranged on the front side and the rear side of the connecting plate, transverse grooves (19) in the left-right direction are respectively formed in the front side and the rear side of each sleeve (6), inclined grooves (20) communicated with the transverse grooves (19) are respectively formed in the upper side and the lower side of each sleeve (6), inserting columns (21) capable of being inserted into the transverse grooves (19) are arranged on the sliding columns (18), and elastic plates (22) are respectively arranged at the joints of the transverse grooves (19) and the inclined grooves (20).

3. The gynecological operation vascular anastomat according to claim 1, characterized in that a guide plate (23) is arranged in the housing (1), the upper side and the lower side of the guide plate (23) are respectively provided with a front-back through and left-right direction flat groove (24), the two flat grooves (24) are opposite left and right and are communicated through a left-low-right-high connecting groove (25), and the front end of the clutch lever (14) is provided with a guide post (26) capable of being inserted into the flat groove (24).

4. The gynecological operation vascular anastomat according to claim 1, characterized in that the upper side wall of the shell (1) is provided with a sliding groove (27) which is through in the left-right direction and in the up-down direction, a U-shaped pushing block (28) with a downward opening is connected in the sliding groove (27) in a sliding manner, the clutch lever (14) is positioned in the pushing block (28) and is connected with the pushing block (28) in a sliding manner, and the upper end of the pushing block (28) is provided with a pushing plate.

5. The gynecological operation vascular anastomat according to claim 1, characterized in that the front side and the rear side of the left end of the shell (1) are respectively provided with a reset plate, the two reset plates are respectively connected with the needle clamping plates (2) on the corresponding sides through main tension springs (29), a main pressure plate positioned at the right side of the connecting plate (17) is arranged in the shell (1), and the main pressure plate is connected with the connecting plate (17) through a pressure spring (30).

6. The gynecological operation vascular anastomat of claim 1, wherein the right end of the U-shaped plate (11) is provided with an auxiliary pressure plate, the auxiliary pressure plate is connected with the shell (1) through an auxiliary tension spring (31), and a torsional spring is arranged on a hinged shaft of the clutch plate (16).

7. The gynecological operation vascular anastomat according to claim 1, characterized in that the front side and the rear side of the shell (1) are respectively and rotatably connected with rollers which are in vertical axial direction and are contacted with the connecting rope (4) on the corresponding side.

8. The gynecological operation vascular anastomat according to claim 1, characterized in that the upper side of the needle clamping plate (2) is provided with an accommodating groove (32) with a downward opening, the bottom surface of the accommodating groove (32) is connected with a pressing block (33) capable of contacting with the needle ring (10) through a spring, the right end surface of the pressing block (33) is an inclined surface with a lower left and a higher right, the distance between the right end surface and the connecting block (9) is smaller than the width of the needle ring (10), and the needle clamping plate (2) is provided with a thrust plate which is positioned at the left of the accommodating groove (32) and capable of contacting with the needle ring (10).

9. The gynecological operation vascular anastomat according to claim 1, characterized in that two anti-falling plates (34) are respectively arranged at the front side and the rear side in the shell (1), the belt (7) is positioned between the two anti-falling plates (34) at the corresponding side, and the rotary column (5) is rotatably connected with the anti-falling plates (34) at the corresponding side.

10. The gynecological operation vascular anastomat according to claim 1, wherein the front side and the rear side of the upper side wall of the shell (1) are respectively provided with a needle supplementing groove which is through up and down, a shielding plate (35) is connected in the needle supplementing groove in a sliding manner, and a U-shaped groove (36) which is open to the left and is through front and rear is formed in the needle clamping plate (2).