CN217793183U

CN217793183U - Cavity mirror cutting anastomat nail storehouse subassembly

Info

Publication number: CN217793183U
Application number: CN202121125687.3U
Authority: CN
Inventors: 蒋易良; 桑小林; 王春华
Original assignee: Changzhou Ankang Medical Equipment Co ltd
Current assignee: Changzhou Ankang Medical Equipment Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-11-15
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a chamber mirror cutting anastomat nail storehouse subassembly, including the sleeve pipe, hold in actuating mechanism in the sleeve pipe and by the nail storehouse mechanism of actuating mechanism percussion adopts the nail storehouse supporting structure of half package, adopts the mode of both sides location to replace the mode of traditional afterbody location, fixes a position through draw-in groove and buckle, effectively guarantees the centre-to-centre spacing installation of nail storehouse body stable, and nail storehouse hole and the nail hole position of supporting the nail seat can correctly correspond and then guarantee that the nail type does not have the forked tail phenomenon, guarantees the good effect of the tissue is sewed up in the operation.

Description

Cavity mirror cutting anastomat nail storehouse subassembly

Technical Field

The invention relates to the field of medical instruments, in particular to a nail bin assembly of an endoscopic cutting anastomat.

Background

In laparoscopic surgery and thoracoscopic surgery, various manual, electric and surgical robot-used endoscope cutting anastomats are generally used for cutting and anastomosis operations in abdominal cavities and thoracic cavities and can also be used for cutting and anastomosis operations in non-endoscopic surgery operations, operative wounds can be reduced, operation time is shortened, operation quality is improved, most of the fixing modes of a traditional endoscope cutting anastomat nail bin body and a nail bin support are tail positioning, so that the center distance of the front middle part of the nail bin body is easy to be unstable, the positions of nail pits which support a nail seat cannot be correctly corresponded, finally sutured titanium nails are in a dovetail shape, and the operation suturing effect is poor.

Disclosure of Invention

Aiming at the technical problem, the invention provides a nail bin assembly of an endoscopic cutting stapler, which comprises:

the sleeve pipe, hold in actuating mechanism in the sleeve pipe and by the nail storehouse mechanism of actuating mechanism percussion, actuating mechanism include the clamp cover, with the lower clamp cover of block between the clamp cover, with the cutting knife connection piece of clamp cover lower extreme face butt, locate the clamp cover with nail casket turning connection rod between the clamp cover down, with the trigger rod connector of cutting knife connection piece front end lock, with the stopper that the trigger rod connector is connected, be used for connecting the trigger rod connector with the stopper's stopper pin, with the turn back shell fragment that the clamp cover front end is connected down, with the connection piece of turn back shell fragment front end butt and locate the cutting knife body of cutting knife connection piece front end, so the cutting knife is the I-beam structure, the afterbody of cutting knife is equipped with the lock hook, the afterbody of trigger rod connector be equipped with the lock hook looks adaptation's lock groove, the upper extreme face front portion of lower clamp cover is equipped with spacing arch, spacing arch is used for the turn back arch, the tail end of cutting knife cover cup joints lock hook, the tail end of lower clamp cover is equipped with the lock hook connection piece is connected with the rivet connection piece and the rivet connection piece is used for the rivet connection front portion of rivet nail casket and connection piece.

Preferably, the number of the bending reset elastic sheets is two, the two bending reset elastic sheets are respectively arranged on two sides of the cutting knife connecting sheet, the cutting knife connecting sheets comprise four, the four cutting knife connecting sheets are respectively two inner connecting sheets and two outer connecting sheets, and the inner connecting sheets are attached to the end faces of the outer connecting sheets.

Preferably, the lower connecting block is provided with a boss, the boss is provided with a pin hole, and a rotating pin is arranged in the pin hole.

Preferably, an upper connecting sheet is fixed on the upper connecting block, a lower connecting sheet is fixed on the lower connecting block, an upper connecting groove matched with the upper connecting sheet is formed in the upper pressure plate cover, and a lower connecting groove matched with the lower connecting sheet is formed in the lower pressure plate cover.

Preferably, the nail bin mechanism comprises a nail bin support, a nail abutting seat support arranged below the nail bin support, a nail bin body accommodated in the nail bin support, a nail pushing sliding block arranged on the nail bin body, a nail abutting seat arranged on the nail abutting seat support and titanium nails accommodated in the nail bin body.

Preferably, the two sides of the nail bin body are provided with buckles, and the two sides of the nail bin support are provided with clamping grooves matched with the buckles.

Preferably, the number of the clamping grooves is six, and the six clamping grooves comprise two pairs of butterfly-shaped clamping grooves and a pair of waist-shaped clamping grooves.

Preferably, the nail bin body and the nail bin support are both provided with sliding grooves, the sliding grooves are used for accommodating the cutting knife body to slide, and a nail pusher is arranged below the nail pushing sliding block.

Preferably, the nail pushing slider is wedge-shaped, a sliding limiting plate is arranged below the nail pushing slider, the sliding limiting plate is used for ensuring that the nail pushing slider moves in the sliding groove, two nail pushing plates are arranged on two sides of the sliding limiting plate respectively, and the nail pushing plates are right opposite to the nail pusher and are arranged right above the nail pusher.

Has the beneficial effects that:

1. adopt half a packet's nail storehouse supporting structure, adopt the mode of both sides location to replace the mode of traditional afterbody location, fix a position through draw-in groove and buckle, effectively guarantee the centre-to-centre spacing installation of nail storehouse body stable, nail storehouse hole and the nail hole position of propping the nail seat can correctly correspond and then guarantee that the nail type does not have the forked tail phenomenon, guarantee the good effect of operation suture tissue.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall mechanism of an embodiment of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of a safety knob according to the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 3;

FIG. 6 is a schematic view of the stopper of the present invention;

FIG. 7 is a schematic view of the structure of the staple pushing slider according to the present invention.

The figures in the drawings represent:

1. the nail pushing device comprises a sleeve 2, a safety knob 3, a connector 4, a nail bin support 5, a nail pushing seat support 6, a nail pushing seat 7, a clamping groove 8, a nail bin body 9, titanium nails 10, a nail box steering connecting rod 11, a cutting knife body 12, a cutting knife connecting sheet 13, an upper pressure plate cover 14, a lower pressure plate cover 15, a buckling hook 16, a safety limiting block 17, a nail pushing slider 18, a lower connecting block 19, an upper connecting block 20, a rotating pin 21, a rivet 22, a bending reset elastic sheet 23, a buckle 24, a firing rod connector 25, a stopper 26, a sliding limiting plate 27 and a nail pushing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and 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 a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and simplifying 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.

As shown in fig. 1-7, the present invention includes a casing 1, a driving mechanism accommodated in the casing 1, and a magazine mechanism fired by the driving mechanism, wherein the driving mechanism includes an upper platen cover 13, a lower platen cover 14 engaged with the upper platen cover 13, a cutter connecting plate 12 abutted against the lower end face of the upper platen cover 13, a magazine turning link 10 disposed between the upper platen cover 13 and the lower platen cover 14, a firing bar connector 24 fastened to the front end of the cutter connecting plate 12, a stopper 25 connected to the firing bar connector 24, a stopper pin for connecting the firing bar connector 24 and the stopper 25, a turning return spring plate 22 connected to the front end of the lower platen cover 14, a connector 3 abutted against the front end of the turning return spring plate 22, and a cutter body 11 disposed at the front end of the cutter connecting plate 12, so that the cutter connecting plate 12 is an i-beam structure, the tail of the cutter connecting plate 12 is provided with a fastening hook 15, the tail of the firing bar connector 24 is provided with a fastening hook groove adapted to the connecting plate 15, the connecting plate connector 18 is provided with a fastening protrusion for connecting the upper end of the lower platen cover and a fastening protrusion 21 for connecting the lower platen cover 14, and the connecting plate connector 18 for connecting the fastening the upper end of the lower platen cover 14, and the connecting plate connector 18 are provided with a fastening protrusion for connecting head for connecting the fastening connection of the lower platen cover.

The bending reset elastic sheets 22 are two, the two bending reset carbon sheets are respectively arranged on two sides of the cutting knife connecting sheet 12, the cutting knife connecting sheet 12 comprises four connecting sheets which are two inner connecting sheets and two outer connecting sheets respectively, and the inner connecting sheets are attached to the end faces of the outer connecting sheets. The lower connecting block 18 is provided with a boss, the boss is provided with a pin hole, the pin hole is internally provided with a rotating pin 20, the upper connecting block 19 is fixedly provided with an upper connecting sheet, the lower connecting block 18 is fixedly provided with a lower connecting sheet, the upper pressure plate cover 13 is provided with an upper connecting groove matched with the upper connecting sheet, and the lower pressure plate cover 14 is provided with a lower connecting groove matched with the lower connecting sheet.

The nail bin mechanism comprises a nail bin support 4, a nail abutting seat support 5 arranged below the nail bin support 4, a nail bin body 8 contained in the nail bin support 4, a nail pushing sliding block 17 arranged on the nail bin body 8, a nail abutting seat 6 arranged on the nail abutting seat support 5 and titanium nails 9 contained in the nail bin body 8. The nail bin comprises a nail bin body 8 and is characterized in that buckles 23 are arranged on two sides of the nail bin body 8, clamping grooves 7 matched with the buckles 23 are arranged on two sides of the nail bin support 4, the six clamping grooves 7 are six, and each six clamping groove 7 comprises two pairs of butterfly-shaped clamping grooves 7 and a pair of waist-shaped clamping grooves 7. The nail bin body 8 and the nail bin support 4 are both provided with sliding grooves, the sliding grooves are used for accommodating the cutting knife body to slide, and nail pushing devices are arranged below the nail pushing sliding blocks. The nail pushing slider 17 is wedge-shaped, a sliding limiting plate 26 is arranged below the nail pushing slider 17, the sliding limiting plate 26 is used for ensuring that the nail pushing slider 17 moves in the sliding groove, two nail pushing plates 27 are respectively arranged on two sides of the sliding limiting plate 26, and the positions of the nail pushing plates are right opposite to the nail pusher and are arranged right above the nail pusher.

When the titanium nail cutting device is operated, the nail bin body 8 is installed on the nail bin support 4, the buckle 23 is aligned with the clamping groove 7 for positioning, the nail bin body 8 and the nail abutting seat 6 are opened, target physiological tissues are arranged between the nail bin body and the nail abutting seat 6, under the action that the cutting knife connecting piece 12 pushes the cutting knife to advance along the sliding groove, the nail bin body 8 and the nail abutting seat 6 are closed to clamp the physiological tissues tightly, the cutting knife cuts the physiological tissues, the nail abutting seat 6 is pushed to advance by pushing the nail pushing sliding block 17, the titanium nails 9 are pushed to be sewn to the physiological tissues, and in a safety state, the safety knob 2 rotates the safety limiting block 16 on the inner wall of the safety knob to the corresponding notch of the cutting knife connecting piece 12, so that the movement of the cutting connecting piece is limited.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

Claims

1. The utility model provides an chamber mirror cutting anastomat nail storehouse subassembly which characterized in that: the nail magazine mechanism comprises a sleeve, a driving mechanism contained in the sleeve and a nail magazine mechanism triggered by the driving mechanism, wherein the driving mechanism comprises an upper pressing plate cover, a lower pressing plate cover clamped between the upper pressing plate cover, a cutting knife connecting piece abutted against the lower end face of the upper pressing plate cover, a nail magazine steering connecting rod arranged between the upper pressing plate cover and the lower pressing plate cover, a triggering rod connector buckled with the front end of the cutting knife connecting piece, a stopper connected with the triggering rod connector, a stopper pin used for connecting the triggering rod connector with the stopper, a bending reset elastic sheet connected with the front end of the lower pressing plate cover, a connecting piece abutted against the front end of the bending reset elastic sheet and a connecting head arranged at the front end of the cutting knife connecting piece, so that the cutting knife connecting piece is of an I-beam structure, a buckling hook is arranged at the tail part of the cutting knife connecting piece, a buckling groove matched with the buckling hook is arranged at the tail part of the triggering rod connector, a limiting protrusion is arranged at the front end of the lower pressing plate cover, the limiting protrusion is used for limiting protrusion arranged at the tail end of the bending reset elastic sheet, and the connecting piece, and the rivet connecting block are connected with the nail magazine mechanism, and the rivet connecting block is connected with the upper connecting knob.

2. The laparoscopic cutting stapler cartridge assembly of claim 1, wherein: the bending reset elastic pieces are two, the two bending reset elastic pieces are respectively arranged on two sides of the cutting knife connecting piece, the cutting knife connecting pieces comprise four connecting pieces which are two inner connecting pieces and two outer connecting pieces respectively, and the inner connecting pieces are attached to the end faces of the outer connecting pieces.

3. The laparoscopic cutting stapler cartridge assembly of claim 2, wherein: the lower connecting block is provided with a boss, the boss is provided with a pin hole, and a rotating pin is arranged in the pin hole.

4. The laparoscopic cutting stapler cartridge assembly of claim 2, wherein: the upper connecting piece is fixed on the upper connecting block, the lower connecting piece is fixed on the lower connecting block, an upper connecting groove matched with the upper connecting piece is formed in the upper pressing plate cover, and a lower connecting groove matched with the lower connecting piece is formed in the lower pressing plate cover.

5. The laparoscopic cutting stapler cartridge assembly of claim 2, wherein: the nail bin mechanism comprises a nail bin support, a nail abutting seat support arranged below the nail bin support, a nail bin body accommodated in the nail bin support, a nail pushing sliding block arranged on the nail bin body, a nail abutting seat arranged on the nail abutting seat support and titanium nails accommodated in the nail bin body.

6. The laparoscopic cutting stapler cartridge assembly of claim 5, wherein: the nail bin comprises a nail bin body and is characterized in that buckles are arranged on two sides of the nail bin body, and clamping grooves matched with the buckles are formed in two sides of the nail bin support.

7. The laparoscopic cutting stapler cartridge assembly of claim 6, wherein: the six clamping grooves comprise two pairs of butterfly-shaped clamping grooves and a pair of waist-shaped clamping grooves.

8. The laparoscopic cutting stapler cartridge assembly of claim 7, wherein: the nail bin body and the nail bin support are both provided with sliding grooves, the sliding grooves are used for accommodating the cutting knife body to slide, and a nail pusher is arranged below the nail pushing sliding block.

9. The laparoscopic cutting stapler cartridge assembly of claim 8, wherein: the nail pushing sliding block is wedge-shaped, a sliding limiting plate is arranged below the nail pushing sliding block and used for ensuring that the nail pushing sliding block moves in the sliding groove, two nail pushing plates are arranged on two sides of the sliding limiting plate respectively, and the nail pushing plates are right opposite to the nail pusher and are arranged right above the nail pusher.