CN112716618B - Safety mechanism of cutting anastomat executing assembly - Google Patents

Abstract

The invention discloses a safety mechanism of a cutting anastomat executing assembly, which belongs to the field of anastomats and comprises an anastomat rod, a first hollow fastening ring is movably sleeved on the outer wall of the device rod, the rear side of the first fastening ring is rotatably connected with a second hollow fastening ring, a fixing screw rod is connected at the position close to the bottom side of the front side of the first hollow fastening ring, a first rotating disc is fixedly connected at the front end of the fixing screw rod, the front side of the second hollow fastening ring close to the top is rotatably connected with a rotating shaft, the front end of the rotating shaft is fixedly connected with a second rotating disc, the inner wall of the first hollow fastening ring is provided with a ring groove, the position of the front side of the ring groove close to the right side is fixedly connected with two symmetrical rotating columns, so that when the anastomat is sutured, the situation that the nail pushing plate and the nail bin are displaced or rotate in a small amplitude is caused due to unstable force application of an operator.

Description

Safety mechanism of cutting anastomat executing assembly

Technical Field

The invention relates to the field of anastomats, in particular to a safety mechanism of an executing assembly of a cutting anastomat.

Background

An endoscopic cutting anastomat suitable for minimally invasive surgery and an executing assembly thereof are instruments which can linearly nail a plurality of anastomotic nails which are arranged in a staggered mode on human tissues and cut off tissues between the anastomotic nail lines by a cutting knife, are also one of instruments widely applied to minimally invasive surgery, and are mainly used for cutting, crossing and anastomosing tissues in open type or endoscopic surgery of abdominal surgery, gynecology, pediatrics and thoracic surgery.

When the anastomat is used in a human body, the anastomat is generally inserted into the human body through a puncture device fixed on the human body, then the part needing to be sutured is clamped through a nail pushing plate and a nail cabin, and then suturing nails inside the nail cabin are continuously fired for multiple times to suture.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a safety mechanism of an execution assembly of a cutting anastomat, which can effectively reduce the occurrence of displacement or small-amplitude rotation of a nail pushing plate and a nail bin caused by unstable force application of an operator when the anastomat is sutured.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a safety mechanism of cutting anastomat execute component, includes the ware pole, first hollow tighrening ring has been cup jointed in ware pole outer wall activity, first hollow tighrening ring rear side rotation is connected with the hollow tighrening ring of second, the position that first hollow tighrening ring front side is close to the bottom side is connected with clamping screw, clamping screw's first carousel of front end fixedly connected with, the position rotation that the hollow tighrening ring front side of second is close to the top is connected with the pivot, the front end fixedly connected with second carousel of pivot, the annular has been seted up to first hollow tighrening ring inner wall, the annular front side is close to two symmetrical column spinner of position fixedly connected with on right side, the column spinner outer wall rotates and is connected with first arc centre gripping post.

Furthermore, two the first arc-shaped clamping columns are symmetrically close to the first arc-shaped rubber pads of the part above and fixedly connected with, two the first springs are fixedly connected between the position of one side of the first arc-shaped clamping columns, which deviates from each other, close to the bottom end and the inner wall of the top of the ring groove and the inner wall of the bottom side.

Furthermore, a rotary groove is formed in the bottom end of the first arc-shaped clamping column, idler wheels are rotatably connected between the inner walls of the two opposite sides of the rotary groove, and one part of the outer wall of each idler wheel is located outside the rotary groove.

Further, annular rear side and front side inner wall are close to the bottom side and are located the position rotation between two first arc centre gripping posts and are connected with the regulation post, regulation post outer wall fixedly connected with arc regulating plate, and it has cup jointed the adjustment disk to be located the activity of arc regulating plate the place ahead, arc regulating plate outer wall and gyro wheel outer wall contact, the position activity that the regulation post outer wall is close to the rear side has cup jointed the second spring, the second spring is located the rear of arc regulating plate.

Furthermore, the tooth's socket has been seted up to the adjustment disk outer wall, tooth's socket inner wall fixedly connected with rack, clamping screw's rear end extends to inside and fixed connection and the first gear of annular, first gear and rack meshing, and with tooth's socket activity joint.

Furthermore, the outer wall of the adjusting column is fixedly connected with two symmetrical sliding columns, the inner wall of the adjusting disc is provided with a sliding groove, and the sliding columns are connected with the sliding groove in a sliding mode.

Furthermore, the inner wall of the front side of the second hollow fastening ring is rotatably connected with a hollow gear, the rear end of the rotating shaft extends to the inside of the second hollow fastening ring and is fixedly connected with a second gear, and the second gear is meshed with the hollow gear.

Furthermore, an arc-shaped groove which is evenly distributed is formed in the front side of the hollow gear, and a square frame is fixedly connected to the position, corresponding to the arc-shaped groove, of the inner wall of the second hollow fastening ring and located behind the hollow gear.

Furthermore, the inner walls of two opposite sides of the square frame are provided with limit grooves, the limit grooves are connected with limit plates in a sliding mode, the inner walls of the limit plates are fixedly connected with movable columns, and the front ends of the movable columns are movably inserted into the arc-shaped grooves.

Furthermore, the rear end of activity post extends to square frame outside and fixedly connected with second arc centre gripping post, all the equal fixedly connected with second arc rubber pad in one side that second arc centre gripping post is close to each other.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) when the scheme is used, the device is firstly sleeved on a device rod, a first hollow fastening ring faces to the direction of a handle of an anastomat, then the device rod is inserted into a puncture outfit, the nail pushing plate and a nail bin clamping column are firstly used for suturing the part, then a second hollow fastening ring is sleeved outside the puncture outfit, then a first rotary disc is rotated, the first rotary disc drives a fixing screw to rotate and move towards the direction of the first hollow fastening ring, the fixing screw rotates to drive a first gear to rotate, the first gear drives an adjusting disc to rotate through a rack, the adjusting disc drives an adjusting column to rotate through a sliding column and a sliding chute, the adjusting column drives an arc-shaped adjusting plate to rotate, the arc-shaped adjusting plate rotates to enable the bottom ends of two first arc-shaped clamping columns to be far away from each other through a roller wheel, the top ends of the two first arc-shaped clamping columns to be close to each other, the device rod is slowly clamped through a first arc-shaped rubber pad, so that the force of the anastomat is unstable when the anastomat is sutured, causing the nail pushing plate and the nail bin to shift or rotate with small amplitude.

(2) This device is after ware pole is cliied at first hollow tighrening ring, rotate the second carousel and drive the pivot and rotate, the pivot drives hollow gear through the second gear and rotates, it rotates to drive the arc wall during hollow gear rotates, the arc wall rotates and makes the activity peg graft at the inside movable column of arc wall inside the motion along the spacing groove in square frame, and then the movable column drives second arc centre gripping post and second arc rubber pad centre gripping post puncture ware, cooperate first hollow tighrening ring like this, fix ware pole and puncture ware, effectively reduce the anastomat when sewing up, because of the operating personnel unstable hard, lead to propping nail board and the aversion of nail storehouse or appear the pivoted condition of miniwatt and take place.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the first and second hollow fastening rings of the present invention;

FIG. 3 is a schematic view, partly in section, of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention

FIG. 5 is an enlarged view of the structure of FIG. 4 at B according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 4 at C;

FIG. 7 is a schematic side view of an adjustment plate and adjustment disk of the present invention;

FIG. 8 is a side view of the FIG. 2 embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of FIG. 8 in accordance with the present invention;

fig. 10 is a schematic cross-sectional view of the square frame according to the present invention.

The reference numbers in the figures illustrate:

1. a first hollow fastening ring; 2. a second hollow fastening ring; 3. fixing the screw rod; 4. a first turntable; 5. a rotating shaft; 6. a second turntable; 7. a ring groove; 8. a spin column; 9. a first arcuate clamping post; 10. a first arc-shaped rubber pad; 11. a first spring; 12. rotating the groove; 13. a roller; 14. an adjustment column; 15. an arc-shaped adjusting plate; 16. an adjusting disk; 17. a second spring; 18. a tooth socket; 19. a rack; 20. a first gear; 21. a traveler; 22. a chute; 23. a second gear; 24. an arc-shaped slot; 25. a square frame; 26. a limiting groove; 27. a limiting plate; 28. a movable post; 29. a second arc-shaped clamping column; 30. a second arc-shaped rubber pad; 31. a machine rod; 32. a hollow gear.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example 1:

referring to fig. 1-10, a safety mechanism for an executing component of a cutting stapler comprises astapler rod 31, a firsthollow fastening ring 1 is movably sleeved on the outer wall of thestapler rod 31, a secondhollow fastening ring 2 is rotatably connected to the rear side of the firsthollow fastening ring 1, a fixingscrew rod 3 is connected to the front side of the firsthollow fastening ring 1 near the bottom side, can prevent effectively through clampingscrew 3 thatarc regulating plate 15 from being rotated back self return, lead to the centre gripping not fastening, thefirst carousel 4 of front end fixedly connected with of clampingscrew 3, the position rotation that 2 front sides of hollow tighrening ring of second are close to the top is connected with pivot 5, the front end fixedly connected withsecond carousel 6 of pivot 5, annular 7 has been seted up to 1 inner wall of first hollow tighrening ring, the position fixedly connected with symmetrical twocolumn spinner 8 on 7 front sides of annular are close to the right side, 8 outer walls of column spinner rotate and are connected with first arccentre gripping post 9.

Referring to fig. 3 and 4, the two first arc-shapedclamping columns 9 are symmetrically and fixedly connected with first arc-shapedrubber gaskets 10 near the upper part, first springs 11 are fixedly connected between the positions, near the bottom end, of the sides, away from each other, of the two first arc-shapedclamping columns 9 and the inner walls of the top and the bottom of thering groove 7, and thefirst springs 11 can enable the first arc-shapedclamping columns 9 to reset when thedevice rod 31 is loosened.

Referring to fig. 4,ring groove 7 rear side and front side inner wall are close to the bottom side and are located the position rotation between two first arccentre gripping posts 9 and be connected withregulation post 14, adjust 14 outer wall fixedly connected witharc regulating plate 15 of post, and be located the activity ofarc regulating plate 15 the place ahead and cup jointed adjustingdisk 16, rotation through adjustingpost 14, it rotates to drivearc regulating plate 15, and then make two first arccentre gripping posts 9 can bindingclasp pole 31,arc regulating plate 15 outer wall contacts withgyro wheel 13 outer wall, the position activity that theregulation post 14 outer wall is close to the rear side has cup jointedsecond spring 17,second spring 17 is located the rear ofarc regulating plate 15.

Referring to fig. 4, the outer wall of theadjusting disk 16 is provided with atooth groove 18, the inner wall of thetooth groove 18 is fixedly connected with arack 19, the rear end of the fixingscrew rod 3 extends into theannular groove 7 and is fixedly connected with afirst gear 20, thefirst gear 20 is meshed with therack 19 and movably clamped with thetooth groove 18, thefirst gear 20 plays a role in driving theadjusting disk 16 and is clamped with thetooth groove 18, and thefirst gear 20 can be prevented from being separated from the adjustingdisk 16.

Referring to fig. 5, arotary groove 12 is formed at the bottom end of the first arc-shapedclamping column 9, aroller 13 is rotatably connected between the inner walls of the two opposite sides of therotary groove 12, and a part of the outer wall of theroller 13 is located outside therotary groove 12, so that theroller 13 can be always in contact with the outer wall of the arc-shapedadjusting plate 15.

Referring to fig. 6, two symmetrical slidingposts 21 are fixedly connected to the outer wall of the adjustingpost 14, a slidinggroove 22 is formed in the inner wall of the adjustingplate 16, the slidingposts 21 are slidably connected with the slidinggroove 22, and the adjustingplate 16 can move back and forth and can drive the adjustingpost 14 to rotate through the slidingposts 21 and the slidinggroove 22.

Referring to fig. 8, the inner wall of the front side of the secondhollow fastening ring 2 is rotatably connected with ahollow gear 32, the rear end of the rotating shaft 5 extends into the secondhollow fastening ring 2 and is fixedly connected with asecond gear 23, thesecond gear 23 is engaged with thehollow gear 32, and thesecond gear 23 plays a role in driving thehollow gear 32.

Referring to fig. 9,hollow gear 32 front side is opened and is equipped with thearc wall 24 that distributes evenly, the corresponding position fixedly connected withsquare frame 25 that just is locatedhollow gear 32 rear of 2 inner walls of second hollow tighrening ring andarc wall 24, spacinggroove 26 has all been seted up to the relative both sides inner wall ofsquare frame 25, the inside sliding connection of spacinggroove 26 has limitingplate 27, limitingplate 27 inner wall fixedly connected withactivity post 28, the front end activity ofactivity post 28 is pegged graft insidearc wall 24, whenhollow gear 32drives arc wall 24 and rotates like this,arc wall 24 can promoteactivity post 28 and move insquare frame 25.

Referring to fig. 9 and 10, the rear end of themovable column 28 extends to the outside of thesquare frame 25 and is fixedly connected with a second arc-shapedclamping column 29, one side of each second arc-shapedclamping column 29, which is close to each other, is fixedly connected with a second arc-shapedrubber pad 30, and the device, the anastomat and the puncture outfit can be fixedly connected through the second arc-shapedclamping columns 29 and the second arc-shapedrubber pads 30, so that the anastomat is prevented from moving or rotating during use.

When in use: firstly, the device is sleeved on a device rod 31, a first hollow fastening ring 1 faces to the direction of a handle of an anastomat, then the device rod 31 is inserted into a puncture outfit, a nail abutting plate and a nail bin clamping column are firstly used for suturing the part, then a second hollow fastening ring 2 is sleeved outside the puncture outfit, then a first rotary disc 4 is rotated, the first rotary disc 4 drives a fixing screw 3 to rotate and move towards the direction of the first hollow fastening ring 1, the fixing screw 3 rotates to drive a first gear 20 to rotate, the first gear 20 drives an adjusting disc 16 to rotate through a rack 19, the adjusting disc 16 drives an adjusting column 14 to rotate through a sliding column 21 and a sliding groove 22, the adjusting column 14 drives an arc-shaped adjusting plate 15 to rotate, the arc-shaped adjusting plate 15 rotates to enable the bottom ends of two first arc-shaped clamping columns 9 to be far away from each other through a roller 13, the top ends of the two first arc-shaped clamping columns to be close to each other, the device rod 31 is slowly clamped through a first arc-shaped rubber pad 10, then the second rotary disc 6 rotates to drive a rotary shaft 5 to rotate, the pivot 5 drives hollow gear 32 through second gear 23 and rotates, hollow gear 32 drives arc wall 24 when rotating and rotates, arc wall 24 rotates and makes the activity peg graft in the inside movable post 28 of arc wall 24 inside along the motion of spacing groove 26 inside square frame 25, and then movable post 28 drives second arc centre gripping post 29 and the 30 centre gripping post puncture ware of second arc rubber pad, cooperate first hollow tighrening ring 1 like this, fix ware pole 31 and puncture ware, effectively reduce the anastomat when the sewing up, because of the operating personnel is unstable hard, lead to supporting nail board and the aversion of nail storehouse or the pivoted condition of small amplitude to take place.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (6)

1. A safety mechanism for a cutting stapler actuating assembly, comprising a stapler rod (31), characterized in that: a first hollow fastening ring (1) is movably sleeved on the outer wall of the device rod (31), a second hollow fastening ring (2) is rotatably connected to the rear side of the first hollow fastening ring (1), a fixing screw (3) is connected to the position, close to the bottom side, of the front side of the first hollow fastening ring (1), a first rotary disc (4) is fixedly connected to the front end of the fixing screw (3), a first clamping device is arranged in the first hollow fastening ring (1), and the device rod (31) is clamped by the first clamping device through rotation of the first rotary disc (4); the hollow tighrening ring of second (2) front side is close to the position rotation at top and is connected with pivot (5), the front end fixedly connected with second carousel (6) of pivot (5), be provided with second clamping device in the hollow tighrening ring of second (2), realize the centre gripping of second clamping device to ware pole (31) through rotating second carousel (6), first clamping device is including offering annular (7) on first hollow tighrening ring (1) inner wall, annular (7) front side is close to two symmetrical column spinner (8) of position fixedly connected with on right side, column spinner (8) outer wall rotates and is connected with first arc centre gripping post (9), two symmetrical part fixedly connected with first arc rubber pad (10) of first arc centre gripping post (9), and equal fixedly connected with first spring (11) between one side that two first arc centre gripping posts (9) deviate from mutually is close to position of bottom and annular (7) top and the bottom side inner wall The utility model discloses a rotary groove (12) has been seted up to the bottom of first arc centre gripping post (9), rotary groove (12) internal rotation is connected with gyro wheel (13), position rotation that annular (7) rear side and front side inner wall just are located between two first arc centre gripping posts (9) is connected with regulation post (14), regulation post (14) outer wall fixedly connected with arc regulating plate (15), and be located arc regulating plate (15) the place ahead activity and cup jointed adjusting disk (16), arc regulating plate (15) outer wall with gyro wheel (13) contact, second spring (17) have been cup jointed in the position activity that regulation post (14) outer wall is close to the rear side, second spring (17) are located the rear of arc regulating plate (15).

2. A safety mechanism for a cutting stapler actuating assembly according to claim 1, wherein: tooth's socket (18) have been seted up to adjusting disk (16) outer wall, tooth's socket (18) inner wall fixedly connected with rack (19), the rear end of clamping screw (3) extend to annular (7) inside and with first gear (20) fixed connection, first gear (20) and rack (19) meshing, and with tooth's socket (18) activity joint.

3. A safety mechanism for a cutting stapler actuating assembly according to claim 2, wherein: the outer wall of the adjusting column (14) is fixedly connected with two symmetrical sliding columns (21), the inner wall of the adjusting disc (16) is provided with a sliding groove (22), and the sliding columns (21) are in sliding connection with the sliding groove (22).

4. A safety mechanism for a cutting stapler actuating assembly according to claim 1, wherein: the second clamping device comprises a hollow gear (32) rotatably connected to the inner wall of the front side of the second hollow fastening ring (2), the rear end of the rotating shaft (5) extends to the inside of the second hollow fastening ring (2) and is fixedly connected with a second gear (23), and the second gear (23) is meshed with the hollow gear (32).

5. The safety mechanism of a cutting stapler actuating assembly according to claim 4, wherein: hollow gear (32) front side is opened and is equipped with a plurality of arc walls (24) that distribute evenly, a plurality of square frames (25) of fixed position that hollow tighrening ring (2) inner wall of second and a plurality of arc walls (24) are corresponding and are located hollow gear (32) rear, every spacing groove (26) have all been seted up to the relative both sides inner wall of square frame (25), spacing groove (26) inside sliding connection has limiting plate (27), limiting plate (27) inner wall fixedly connected with activity post (28), the front end activity of activity post (28) is pegged graft inside arc wall (24), the rear end of activity post (28) extends to square frame (25) outside and fixedly connected with second arc centre gripping post (29).

6. The safety mechanism of a cutting stapler actuating assembly according to claim 5, wherein: and one sides of the second arc-shaped clamping columns (29) close to each other are fixedly connected with second arc-shaped rubber pads (30).

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