CN209863934U - Nail bin structure of linear anastomat - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, especially, relate to a straight line anastomat nail storehouse structure, solve the use that exists among the prior art, because patient's wound size is different, and the size of nail storehouse is fixed setting, medical staff is promoting the cutter to cut patient's tissue and the not good control shortcoming of sutural size, including the nail storehouse, the sword groove has been seted up at the top of nail storehouse, sword inslot movable mounting has the cutting knife, a plurality of pinholes have been seted up at the top of nail storehouse, a plurality of pinholes are located the both sides in the sword groove respectively, the needle is sewed up to inside being provided with of pinhole, it is open-ended sliding chamber to have seted up one side on the nail storehouse, sliding chamber slidable mounting has the blade holder. The utility model discloses simple structure, convenient operation can carry on spacingly to the cutting knife through removing the shelves pole, can control the cutting knife and the size of sewing up, through removing a stable piece in two stable pieces, can fix not unidimensional cutting knife.

Description

A staple cartridge structure of a linear stapler

technical field

The utility model relates to the technical field of medical equipment, in particular to a nail bin structure of a linear stapler.

Background technique

Linear sewing cutter is widely used in surgical operations for wound suturing, internal tissue suturing and cutting. It has two functions of suturing and cutting, and excess tissue is excised while suturing the wound. The linear seam cutter generally includes two upper and lower jaws, and the nail anvil and the staple cartridge arranged at the front ends of the upper and lower jaws are relatively arranged in the staple cartridge and can move the nail pusher and the cutter relative to the staple cartridge at the same time. There are staple pushers and staples arranged horizontally in the staple bin. While pushing the cutter to cut the patient's tissue, the staple pusher pushes the staple pushers sequentially and pushes the staples to the anvil for suturing. The tissue located between the staple cartridge and the anvil.

When in use, because the size of the patient's wound is different, and the size of the staple cartridge is fixed, it is difficult for medical personnel to control the size of the patient's tissue when pushing the knife to cut and suture.

Utility model content

The purpose of this utility model is to solve the problems existing in the prior art when in use, because the size of the wound of the patient is different, and the size of the staple cartridge is fixed, and the size of the medical staff who pushes the knife to cut and sew the patient's tissue is not good. In view of the shortcomings of control, a linear stapler staple cartridge structure is proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A staple cartridge structure for a linear stapler, comprising a staple cartridge, the top of the staple cartridge is provided with a knife groove, and a cutting knife is movably installed in the knife groove, and a plurality of pinholes are opened on the top of the staple cartridge, and the multiple pinholes are respectively located On both sides of the needle hole, a suture needle is arranged inside the needle hole. A sliding cavity with one side opening is provided on the staple magazine. A knife seat is slidably installed in the sliding cavity. The knife seat is fixedly connected with the cutting knife, and a push rod is connected to the knife seat. One side of the staple magazine is provided with a sliding hole, a blocking rod is slidably installed in the sliding hole, a rectangular hole is provided on the blocking rod, a rectangular rod is slidably installed in the rectangular hole, and a plurality of rectangular slots are provided on the inner wall of one side of the sliding cavity , the rectangular rod is matched with the rectangular groove, one end of the rectangular rod is welded with a force plate, and one side of the force plate is provided with a groove, and two hooks are rotated in the groove, and the side of the two hooks close to each other The side is welded with the same tension spring, and one side of the nail cartridge is welded with multiple fixing parts, and the two hooks are connected with the fixing parts. There is a fixing hole on the inner wall of one side of the groove, and a pressure is installed slidingly in the fixing hole. rod, one end of the pressure rod is welded with an arc-shaped groove plate, and the arc-shaped groove plate is matched with two grabs.

Preferably, the plurality of fixing pieces are provided in one-to-one correspondence with the plurality of rectangular grooves, and the plurality of fixing pieces are all located on the same horizontal line as the grooves.

Preferably, one end of the compression spring is welded to one side of the arc-shaped groove plate, and the other end of the compression spring is welded to the inner wall of one side of the groove.

Preferably, a sliding groove is provided on the inner wall of the bottom of the sliding chamber, a sliding block is slidably installed in the sliding groove, and the top of the sliding block is fixedly connected to the bottom of the blocking rod.

Preferably, a trapezoidal groove is provided on the top of the knife seat, and a trapezoidal block is slidably installed in the trapezoidal groove, and a stabilizing block is welded to the top of the trapezoidal block and the knife seat.

Preferably, the stabilizing block is provided with a plurality of threaded holes, the cutting knife is provided with a plurality of mounting holes, and the threaded holes are internally threaded with the corresponding mounting holes with screws.

The beneficial effects of the utility model are:

1. Through the staple magazine, knife groove, sliding cavity, cutting knife, knife seat, pinhole, blocking rod, rectangular rod, rectangular groove, force plate, fixing piece, groove, hook, extension spring, arc groove plate , compression spring, pressure rod, trapezoidal groove, stabilizing block and sliding block, when in use, press the pressure rod, and the pressure rod pushes the arc-shaped groove plate into contact with the two hooks, so that the two hooks leave the fixing part, and pull the Force plate, make the rectangular rod leave the corresponding rectangular slot, move the blocking rod by comparing the size of the patient’s wound, move the blocking rod to a proper position, press the force plate to make the fixing part clamp between the two hooks, pass the blocking rod The gear bar can limit the cutting knife, and can control the cutting and sewing size of the cutting knife. When the cutting knife needs to be replaced, the knife holder and the cutting knife can be taken out and disassembled. By moving one of the two stable blocks, it can be fixed. Cutting knives of different sizes;

2. The utility model is simple in structure and easy to operate. The cutting knife can be limited by moving the blocking rod, and the cutting and sewing size of the cutting knife can be controlled. By moving one of the two stabilizing blocks, different size cutter.

Description of drawings

Fig. 1 is a structural schematic diagram of a linear stapler staple cartridge structure proposed by the present invention;

Fig. 2 is a top view structure schematic diagram of a linear stapler nail cartridge structure proposed by the utility model;

Fig. 3 is a side-view structure schematic diagram of a linear stapler nail cartridge structure proposed by the utility model;

Fig. 4 is a structural schematic diagram of part A of the staple cartridge structure of a linear stapler proposed by the present invention.

In the figure: 1 staple cartridge, 2 knife groove, 3 sliding cavity, 4 cutting knife, 5 knife seat, 6 pinhole, 7 blocking rod, 8 rectangular rod, 9 rectangular groove, 10 force plate, 11 fixing piece, 12 concave Slot, 13 grabs, 14 extension springs, 15 arc-shaped groove plates, 16 stage clips, 17 pressure bars, 18 trapezoidal grooves, 19 stable blocks, 20 sliding blocks.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-4, a staple cartridge structure for a linear stapler includes a staple cartridge 1, a knife groove 2 is provided on the top of the staple cartridge 1, a cutting knife 4 is movably installed in the knife groove 2, and multiple nail grooves are provided on the top of the staple cartridge 1. A pinhole 6, a plurality of pinholes 6 are respectively located on both sides of the knife groove 2, a suture needle is arranged inside the pinhole 6, a sliding cavity 3 with an opening on one side is provided on the staple cartridge 1, and a knife is slidably installed in the sliding cavity 3 Seat 5, the knife seat 5 is fixedly connected with the cutting knife 4, the knife seat 5 is connected with a push rod, one side of the staple bin 1 is provided with a sliding hole, and a blocking rod 7 is slidably installed in the sliding hole, and the blocking rod 7 is provided with a rectangular A rectangular rod 8 is slidingly installed in the rectangular hole, and a plurality of rectangular grooves 9 are opened on one side of the sliding cavity 3, the rectangular rod 8 is matched with the rectangular groove 9, and one end of the rectangular rod 8 is welded with a force plate 10 One side of the force plate 10 is provided with a groove 12, and two hooks 13 are rotatably installed in the groove 12, and the same tension spring 14 is welded on the side where the two hooks 13 are close to each other. A plurality of fixing parts 11 are welded on the side, and two hooks 13 are engaged with the fixing parts 11. A fixing hole is provided on one side of the groove 12, and a pressure rod 17 is slidably installed in the fixing hole. One end of the pressure rod 17 An arc-shaped slot plate 15 is welded, and the arc-shaped slot plate 15 cooperates with two hooks 13 to pass through the nail bin 1, the knife groove 2, the sliding cavity 3, the cutting knife 4, the knife seat 5, the pinhole 6, and the blocking rod 7 , rectangular rod 8, rectangular groove 9, force plate 10, fixing piece 11, groove 12, hook 13, tension spring 14, arc groove plate 15, compression spring 16, pressure rod 17, trapezoidal groove 18, stabilizing block 19 and the sliding block 20, when in use, press the pressure rod 17, and the pressure rod 17 pushes the arc-shaped groove plate 15 to contact the two hooks 13, so that the two hooks 13 leave the fixing part 11, and pull the force plate 10, Make the rectangular rod 8 leave the corresponding rectangular slot 9, move the blocking rod 7 by comparing the size of the patient's wound, move the blocking rod 7 to a suitable position, press the force plate 10 so that the fixing member 11 is clamped between the two hooks 13 In between, the cutting knife 4 can be limited by the blocking rod 7, and the cutting and sewing size of the cutting knife 4 can be controlled. When the cutting knife 4 needs to be replaced, the knife holder 5 and the cutting knife 4 are taken out and disassembled, A stabilizing block 19 in the stabilizing block 19 can fix cutting knives 4 of different sizes; the utility model has the advantages of simple structure and convenient operation. And the size of stitching, by moving a stabilizing block 19 in two stabilizing blocks 19, the cutting knife 4 of different sizes can be fixed.

In this embodiment, a plurality of fixing parts 11 and a plurality of rectangular slots 9 are provided in one-to-one correspondence, and a plurality of fixing parts 11 and the grooves 12 are located on the same horizontal line, and one side of the arc-shaped slot plate 15 is welded with a pressing One end of spring 16, the other end of stage clip 16 is welded with the side inner wall of groove 12, is provided with sliding groove on the bottom inner wall of sliding cavity 3, is slidingly installed with sliding block 20 in the sliding groove, and the top of sliding block 20 and stop The bottom of bar 7 is fixedly connected, and the top of knife holder 5 is provided with trapezoidal groove, and trapezoidal block is slidably installed in the trapezoidal groove, and the top of trapezoidal block and knife holder 5 is all welded with stabilizing block 19, offers a plurality of screw threads on stabilizing block 19 Holes, the cutting knife 4 is provided with a plurality of installation holes, the threaded holes are connected with the corresponding installation holes with screws, through the nail bin 1, the knife groove 2, the sliding cavity 3, the cutting knife 4, the knife seat 5, and the pinhole 6 , blocking rod 7, rectangular rod 8, rectangular groove 9, force plate 10, fixing piece 11, groove 12, hook 13, extension spring 14, arc-shaped groove plate 15, compression spring 16, pressure rod 17, trapezoidal groove 18. The cooperation between the stabilizing block 19 and the sliding block 20, when in use, press the pressure rod 17, and the pressure rod 17 pushes the arc-shaped groove plate 15 to contact the two hooks 13, so that the two hooks 13 leave the fixing part 11, and pull the The force plate 10 makes the rectangular rod 8 leave the corresponding rectangular groove 9. By comparing the size of the patient's wound, the blocking rod 7 is moved to a proper position, and the force plate 10 is pressed so that the fixing member 11 is clamped between the two Between the hooks 13, the cutting knife 4 can be limited by the blocking bar 7, and the cutting and stitching size of the cutting knife 4 can be controlled. When the cutting knife 4 needs to be replaced, the knife holder 5 and the cutting knife 4 are taken out and disassembled. By moving a stabilizing block 19 in the two stabilizing blocks 19, cutting knives 4 of different sizes can be fixed; the utility model has the advantages of simple structure and convenient operation, and the cutting knives 4 can be limited by moving the blocking rod 7, and the cutting can be controlled. The size of the cutting and stitching of the knife 4, by moving a stabilizing block 19 in the two stabilizing blocks 19, cutting knives 4 of different sizes can be fixed.

In this embodiment, when in use, press the pressure rod 17, and the pressure rod 17 pushes the arc-shaped groove plate 15 to contact with the two hooks 13, and the inner ring of the arc-shaped groove plate 15 and the squeezed two hooks 13 are close to and separated from each other. The fixing part 11 pulls the force plate 10 at the same time, the fixing part 11 leaves the groove 12, and the rectangular rod 8 leaves the corresponding rectangular groove 9. By comparing the size of the patient's wound, the blocking rod 7 is moved, and the blocking rod 7 is moved to a suitable position , press the force plate 10, the fixing part 11 pushes the two hooks 13 away from each other, under the elastic force of the tension spring 14, the fixing part 11 is clamped between the two hooks 13, and the arc groove plate 15 presses The force plate 11 pushes the rectangular rod 8 into the corresponding rectangular groove 9. When the cutting knife 4 cuts, the blocking rod 7 can limit the cutting knife 4, and the cutting knife needs to be replaced. 4 o'clock, the knife seat 5 and the cutting knife 4 are taken out and disassembled, and by moving a stabilizing block 19 in the two stabilizing blocks 19, the cutting knives 4 of different sizes can be fixed.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A nail bin structure of a linear anastomat comprises a nail bin (1), a nail bin (2) is arranged at the top of the nail bin (1), a cutting knife (4) is movably arranged in the nail bin (2), a plurality of needle holes (6) are arranged at the top of the nail bin (1), the plurality of needle holes (6) are respectively positioned at two sides of the nail bin (2), sewing needles are arranged in the needle holes (6), a sliding cavity (3) with an opening at one side is arranged on the nail bin (1), a cutter holder (5) is arranged in the sliding cavity (3), the cutter holder (5) is fixedly connected with the cutting knife (4), a push rod is connected onto the cutter holder (5), the nail bin structure is characterized in that a sliding hole is arranged at one side of the nail bin (1), a blocking rod (7) is arranged in the sliding hole in a sliding manner, a rectangular hole is arranged on the blocking rod (7), a rectangular rod (8) is arranged in the, rectangular rod (8) and rectangular channel (9) looks adaptation, the one end welding of rectangular rod (8) has atress board (10), one side of atress board (10) is seted up fluted (12), two pothooks (13) are installed to recess (12) internal rotation, one side welding that two pothooks (13) are close to each other has same extension spring (14), one side welding of nail storehouse (1) has a plurality of mounting (11), two pothook (13) all with mounting (11) joint, the fixed orifices has been seted up on one side inner wall of recess (12), slidable mounting has pressure bar (17) in the fixed orifices, the one end welding of pressure bar (17) has arc frid (15), arc frid (15) cooperate with two pothook (13).

2. The linear stapler nail bin structure according to claim 1, wherein a plurality of fixing pieces (11) and a plurality of rectangular grooves (9) are arranged in a one-to-one correspondence, and the plurality of fixing pieces (11) and the grooves (12) are all located on the same horizontal line.

3. The linear anastomat nail bin structure according to claim 1, wherein one end of a pressure spring (16) is welded to one side of the arc-shaped groove plate (15), and the other end of the pressure spring (16) is welded to the inner wall of one side of the groove (12).

4. The linear anastomat nail bin structure according to claim 1, characterized in that a sliding groove is formed in the inner wall of the bottom of the sliding cavity (3), a sliding block (20) is installed in the sliding groove in a sliding mode, and the top of the sliding block (20) is fixedly connected with the bottom of the blocking rod (7).

5. The staple cartridge structure of the linear anastomat according to claim 1, wherein a trapezoidal groove is formed in the top of the tool apron (5), a trapezoidal block is slidably mounted in the trapezoidal groove, and a stabilizing block (19) is welded on the tops of the trapezoidal block and the tool apron (5).

6. The linear anastomat nail bin structure according to claim 5, wherein a plurality of threaded holes are formed in the stabilizing block (19), a plurality of mounting holes are formed in the cutting knife (4), and screws are connected with the threaded holes and the corresponding mounting holes in a threaded mode.