CN111407340A - Disposable curved cutting stapler - Google Patents

Abstract

The invention discloses a disposable arc-shaped cutting anastomat which comprises an anastomat body, wherein one end of the anastomat body is provided with a connecting block, a push rod is connected onto the connecting block through a guide sleeve, an arc-shaped clamping plate is fixed at one end of the connecting block, a nail abutting seat is fixedly welded at one end of the upper surface of the arc-shaped clamping plate, a positioning nail bin is arranged at the other end of the arc-shaped clamping plate, a handle is arranged at the lower surface of one end of the anastomat body, a firing rod is arranged at the lower surface of the anastomat body, and; through being provided with rotor plate, slider, spacing groove, second stopper, first stopper and installation piece, avoid the mistake to pull the firing rod and cause the inboard pilot pin motion of location nail storehouse, the security of the improve equipment of being convenient for use through being provided with protection silica gel piece, recess and fixture block, is convenient for cover nail seat side surface, avoids supporting a nail seat side surface and directly exposes in the air, easily receives external bacterial contamination.

Description

Disposable curved cutting stapler

technical field

The invention belongs to the technical field of arc-shaped cutting staplers, in particular to a disposable arc-shaped cutting stapler.

Background technique

The stapler is the world's first stapler, which is generally divided into one-time or multiple use. It is a medical device to replace the traditional manual suture. Due to the development of modern technology and the improvement of manufacturing technology, the stapler used in clinical It has the advantages of reliable quality, convenient use, fast suture, etc. It also enables the tumor resection that could not be removed in the past. The main working principle is to use titanium nails to cut off or anastomose tissue, similar to a stapler.

The existing disposable arc-shaped cutting stapler does not have a well-limited mechanism for the firing rod during use. During the process of suturing the patient's skin, the firing rod may be accidentally triggered to cause movement of the positioning needle inside the staple cartridge, which is safe. Not good. In addition, the surface of the anvil seat of the device is directly exposed to the air when not in use, which may be contaminated by external bacteria, and the use effect is not good. For this reason, we propose a disposable arc-shaped cutting stapler.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a disposable arc-shaped cutting stapler, so as to solve the problem that the existing disposable arc-shaped cutting and stapler does not have a good limiting mechanism for the firing rod during the use of the above-mentioned background art. During the suture of the skin, the firing rod may be accidentally triggered to cause movement of the positioning needle inside the cartridge, which is not safe. In addition, the surface of the anvil seat of the device is directly exposed to the air when not in use, which may be contaminated by external bacteria. Ineffective problem.

In order to achieve the above purpose, the present invention provides the following technical solutions: a disposable arc-shaped cutting stapler, including a stapler body, one end of the stapler body is provided with a connecting block, and a push rod is connected to the connecting block through a guide sleeve, One end of the connecting block is fixed with an arc-shaped splint, one end of the upper surface of the arc-shaped splint is welded and fixed with a nail anchor, the other end of the arc-shaped splint is provided with a positioning nail cartridge, and one end of the stapler body is provided with a lower surface. The handle, the lower surface of the stapler body is provided with a firing rod, the front of the handle is connected with a rotating plate through a rotating rod, one end of the rear surface of the rotating plate is fixed with a second limit block, and the front of the firing rod is provided with a limit slot , the rotating plate and the firing rod are matched and connected through the second limit block and the limit slot, the front of the rotating plate is fixed with a mounting block, the inner side wall of the mounting block is provided with a slot, and the inner side of the mounting block is provided with a A slider, an elastic member is fixed on the outer surface of the slider, and the elastic member and the installation block are engaged with the mounting block through the card slot, and the rear surface of the rotating plate is provided with a first limit block, the first limit block The slider is fixed by a connecting rod, an adjustment groove is formed on one side surface of the handle, the first limit block and the handle are pin-connected through the adjustment groove, and a protective mechanism is provided on the arc-shaped splint.

Preferably, the protective mechanism includes a protective silica gel block, a first limit block and a clamping block, a protective silica gel block is provided on the arc-shaped splint, and a groove is formed on the side surface of the protective silica gel block, and the groove is connected to the side surface of the protective silica gel block. Corresponding to the nail anvil, a clamping block is fixed on the lower surface of the protective silica gel block, a fixing block is arranged on the front of the arc-shaped splint, and the protective silica gel block and the arc-shaped splint are cooperatively connected through the clamping block and the fixing block.

Preferably, the protective silica gel block is "U"-shaped, and the groove is provided in two places.

Preferably, there are three adjustment grooves, and the first limiting block is rectangular.

Preferably, the installation block is in the shape of a "door", and the front side of the slider is provided with anti-skid patterns.

Preferably, the elastic member is a semi-circular shape, and there are five equidistant slots along the length direction of an inner surface of the mounting block.

Compared with the prior art, the beneficial effects of the present invention are:

(1) By being provided with a rotating plate, a slider, a limit groove, a second limit block, a first limit block and a mounting block, it is convenient to limit the movement of the firing rod and avoid pulling the firing rod by mistake and causing the positioning needle inside the positioning nail cartridge. Movement, it is convenient to improve the safety of equipment use and increase the use effect of the device.

(2) It is convenient to cover the surface of one side of the anvil seat by being provided with protective silicone blocks, grooves and clamping blocks, so as to avoid the surface of one side of the anvil seat being directly exposed to the air, which is easily contaminated by external bacteria. The pin holder comes into contact with the patient's skin, causing the patient's skin to become infected.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the sectional structure schematic diagram of the A place of Fig. 1 of the present invention;

Fig. 3 is the sectional structure schematic diagram of Fig. 2 of the present invention;

Fig. 4 is the sectional structure schematic diagram of the B place of Fig. 1 of the present invention;

In the figure: 1. stapler body; 2. handle; 3. rotating plate; 4. limit slot; 5. firing rod; 6. connecting block; 7. curved splint; 8. nail anchor; 9. protective silicone block; 10, positioning nail cartridge; 11, push rod; 12, installation block; 13, card slot; 14, slider; 15, first limit block; 16, adjustment slot; 17, groove; 18, clip block .

Detailed ways

The technical solutions 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-4, the present invention provides a technical solution: a disposable arc-shaped cutting stapler, including a stapler body 1, one end of the stapler body 1 is provided with a connecting block 6, and the connecting block 6 is connected by a guide sleeve There is a push rod 11, one end of the connecting block 6 is fixed with an arc-shaped splint 7, one end of the upper surface of the arc-shaped splint 7 is welded and fixed with an abutment seat 8, the other end of the arc-shaped splint 7 is provided with a positioning nail cartridge 10, one end of the stapler body 1 The lower surface is provided with a handle 2, the lower surface of the stapler body 1 is provided with a firing rod 5, the front of the handle 2 is connected with a rotating plate 3 through a rotating rod, one end of the rear surface of the rotating plate 3 is fixed with a second limit block, and the front of the firing rod 5 is opened. The limit slot 4, the rotating plate 3 and the firing rod 5 are matched and connected through the second limit block and the limit slot 4, so as to avoid mistaken contact with the firing rod 5, causing the firing rod 5 to move, and the front of the rotating plate 3 is fixed with a mounting block 12. The inner side wall of the mounting block 12 is provided with a card slot 13, the inner side of the mounting block 12 is provided with a slider 14, an elastic member is fixed on the outer surface of the slider 14, and the elastic member and the mounting block 12 are connected by the card slot 13, which is convenient for The position of the slider 14 is adjusted, and then the position of the first limit block 15 is adjusted through the slider 14. The rear surface of the rotating plate 3 is provided with a first limit block 15, and the first limit block 15 and the slider 14 pass through. The connecting rod is fixed, an adjustment groove 16 is formed on one side surface of the handle 2, and the first limit block 15 and the handle 2 are pin-connected through the adjustment groove 16, which is convenient to restrict the rotation of the rotating plate 3, and a protective mechanism is provided on the arc-shaped splint 7.

In this embodiment, preferably, the protective mechanism includes a protective silica gel block 9 , a first limit block 15 and a clamping block 18 , a protective silica gel block 9 is provided on the arc-shaped splint 7 , and a groove 17 is formed on the side surface of the protective silica gel block 9 . , the groove 17 corresponds to the nail seat 8, the lower surface of the protective silicone block 9 is fixed with a clamping block 18, the front of the arc-shaped splint 7 is provided with a fixing block, and the protective silicone block 9 and the arc-shaped splint 7 pass through the clamping block 18 and the fixing block. The mating connection is convenient to avoid the anvil seat 8 being exposed to the air and causing bacterial contamination on the surface.

In this embodiment, preferably, the protective silica gel block 9 is in a "U" shape, and the grooves 17 are provided in two places.

In this embodiment, preferably, three adjustment grooves 16 are provided to facilitate better rotational adjustment of the rotating plate 3 , and the first limiting block 15 is rectangular.

In this embodiment, preferably, the mounting block 12 is in the shape of a "door", and the front of the slider 14 is provided with anti-skid patterns, which is convenient for pulling the slider 14 to move.

In this embodiment, preferably, the elastic member is a semi-annular shape, and there are five locking grooves 13 equidistantly arranged along the length direction of an inner surface of the mounting block 12 , so as to better adjust the position of the slider 14 .

The working principle and use process of the present invention: when in use, first push the slider 14 to move to the side away from the handle 2, so that the slider 14 drives the first limit block 15 to disengage from the inner side of the adjustment groove 16, and the rotating plate can be rotated at this time. 3. Make the rotating plate 3 drive the second limit block to disengage from the inner side of the limit groove 4, and then the locking of the firing rod 5 can be released, which is convenient for operating the stapler body 1 through the firing rod 5 to perform positioning, cutting and suturing, and is convenient to reduce false contact. Pull the firing rod 5 to move, resulting in poor safety effect. Then, by pushing the slider 14 to drive the first limit block 15 into the inner side of the other adjustment groove 16, the rotation of the rotating plate 3 can be restricted, the use effect of the device can be improved, and the protection The silicone block 9 and the arc-shaped splint 7 are cooperatively connected through the clamping block 18 and the fixing block, which facilitates the installation of the protective silicone block 9, and then accommodates the anvil seat 8 through the groove 17 on one side surface of the protective silicone block 9, lowering the The anvil seat 8 is directly exposed and easily contaminated by external bacteria.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. Disposable arc cutting anastomat, including anastomat body (1), anastomat body (1) one end is provided with connecting block (6), be connected with push rod (11) through guide sleeve on connecting block (6), connecting block (6) one end is fixed with arc splint (7), arc splint (7) upper surface one end welded fastening has to support nail seat (8), the other end is provided with location nail storehouse (10) on arc splint (7), anastomat body (1) one end lower surface is provided with handle (2), anastomat body (1) lower surface is provided with firing bar (5), its characterized in that: the handle (2) is connected with a rotating plate (3) through a rotating rod, one end of the rear surface of the rotating plate (3) is fixed with a second limiting block, a limiting groove (4) is openly formed in the firing rod (5), the rotating plate (3) is connected with the firing rod (5) through the second limiting block and the limiting groove (4) in a matched mode, an installation block (12) is openly fixed on the rotating plate (3), a clamping groove (13) is formed in the inner side wall of the installation block (12), a sliding block (14) is arranged on the inner side of the installation block (12), an elastic part is fixed on the outer surface of the sliding block (14), the elastic part is connected with the installation block (12) in a clamping mode through the clamping groove (13), a first limiting block (15) is arranged on the rear surface of the rotating plate (3), the first limiting block (15) is fixed with the sliding block (14) through a connecting rod, an adjusting groove (, the first limiting block (15) is in pin connection with the handle (2) through an adjusting groove (16), and a protection mechanism is arranged on the arc-shaped clamping plate (7).

2. The disposable arc cutting stapler of claim 1, wherein: protection machanism is including protection silica gel piece (9), first stopper (15) and fixture block (18), be provided with protection silica gel piece (9) on arc splint (7), protection silica gel piece (9) side surface seted up recess (17), recess (17) with support nail seat (8) corresponding, protection silica gel piece (9) lower fixed surface has fixture block (18), arc splint (7) openly are provided with the fixed block, protection silica gel piece (9) cooperate with arc splint (7) through fixture block (18) and fixed block and are connected.

3. The disposable arc cutting stapler of claim 2, wherein: the protective silica gel block (9) is U-shaped, and two positions are arranged on the groove (17).

4. The disposable arc cutting stapler of claim 1, wherein: the number of the adjusting grooves (16) is three, and the first limiting block (15) is rectangular.

5. The disposable arc cutting stapler of claim 1, wherein: the mounting block (12) is in a shape of a Chinese character 'men', and the front surface of the sliding block (14) is provided with anti-skidding grains.

6. The disposable arc cutting stapler of claim 1, wherein: the elastic piece is semi-annular, draw-in groove (13) are provided with five along an installation piece (12) internal surface length direction equidistance.

Images