CN219878442U

CN219878442U - Ophthalmic thread-dismantling scissors

Info

Publication number: CN219878442U
Application number: CN202320636245.8U
Authority: CN
Inventors: 张亚妮; 程万英
Original assignee: Fourth Affiliated Hospital of Xinjiang Medical University
Current assignee: Fourth Affiliated Hospital of Xinjiang Medical University
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-10-24
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses an ophthalmic thread-dismantling scissors, which belongs to the technical field of medical equipment and comprises two scissor arms, wherein the two scissor arms are connected through a pin shaft, one ends of the two scissor arms are respectively provided with a finger ring, the other ends of the two scissor arms are respectively provided with a scissor blade, and one side of each scissor blade is provided with a lug.

Description

Ophthalmic thread-dismantling scissors

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to an ophthalmic thread-dismantling shear.

Background

Medical devices refer to instruments, devices, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items, including computer software, that are used directly or indirectly on the human body.

The Chinese patent application number 2013103461043 discloses a pair of special wire scissors for ophthalmology, which belongs to the field of medical equipment. The stitch scissors comprise two scissor arms hinged with each other through a pin shaft; the front end of the scissor arm is provided with a scissor blade, the rear end of the scissor arm is provided with a finger ring, the scissor blade at the front end of the scissor arm is horizontally arranged in a bending shape, the front end of one scissor blade is provided with a circular arc-shaped guide hook, the scissor blade at the rear end of the guide hook is provided with a circular arc-shaped notch, and the other scissor blade is provided with a circular arc-shaped lug corresponding to the notch. The stitch scissors can rapidly and accurately guide the suture in the notch through the guide hook, so that the stitch scissors are fixed, and the problem that a scissors blade is easy to slip in the existing stitch breaking process is solved. The stitch scissors can simultaneously draw out the stitch head through the clamping of the clamping lines when cutting the stitch, solve the problem that the stitch head after the prior cutting needs to be drawn out by means of a forceps tool, increase the stitch removing operation difficulty to a certain extent, and are particularly used for stitch removing in ophthalmic surgery.

The above-mentioned disclosed patent can't be to the scissors piece change of dismouting, when the scissors piece uses wearing and tearing seriously to influence the result of use for a long time, can't change the scissors piece, only can change the stitch scissors is whole, causes extravagant, need manual after two scissors arms of stitch scissors merge simultaneously separate two scissors arms, and two scissors arms can not automatic bullet open, and the practicality is relatively poor.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides an ophthalmic thread-dismantling scissors which has the characteristics of capability of replacing scissors blades and high practicability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ophthalmic thread-dismantling scissors, includes two scissors arms, two pass through the round pin hub connection between the scissors arm, two scissors arm one end all is provided with the ring, and two scissors arm other ends all are provided with the scissors piece, set up on the scissors piece of one side with the lug, the position that corresponds with the lug on the scissors piece of the other side is provided with the notch, and notch is kept away from scissors arm one side and is provided with the guide hook, is connected through coupling assembling between scissors piece and the scissors arm.

Preferably, the connecting assembly comprises a fixed cover, a plug post, a jack, a slide bar, a convex plate, a connecting spring and a clamping hole, wherein the fixed cover is arranged at one end of the scissor arm close to the scissor blade, the plug post is arranged at one end of the scissor blade close to the fixed cover, the slide bar is arranged in the fixed cover, the convex plate is arranged at one side of the surface of the slide bar, the connecting spring is arranged on the surface of the slide bar between the convex plate and the fixed cover, the clamping hole corresponding to the slide bar is arranged in the plug post, and the jack corresponding to the plug post is arranged at one end of the fixed cover.

Preferably, the connecting assembly further comprises pull columns and side plates, wherein a plurality of pull columns are arranged on the outer sides of the convex plates, and one end of each sliding rod is provided with a side plate.

Preferably, the side edge of one end of the sliding rod far away from the side plate is of an arc-shaped structure, and the side edge of the inserting column is tangent to the inner wall of the inserting hole.

Preferably, one side scissor arm one end is provided with the arc, and arc lower extreme one side is provided with the riser, and riser one end is provided with the arc pole, and the arc pole other end is provided with the limiting plate, and another side scissor arm is provided with the slide opening with the position that the arc pole corresponds, and the arc pole surface is provided with reset spring between slide opening and the riser.

Preferably, the arc-shaped rod is concentric with the pin shaft, and the vertical plate and the arc-shaped plate are of a welding integrated structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the scissor blade is worn for a long time to seriously affect the using effect, the convex plate is pushed to drive the sliding rod to move in the fixed cover, one end of the sliding rod moves from the clamping hole of the inserting column, meanwhile, the connecting spring is compressed, the inserting column at one end of the old scissor blade can be taken out from the fixed cover, the inserting column at one end of the new scissor blade is inserted into the inserting hole of the fixed cover, the convex plate is loosened, the connecting spring is stretched to push one end of the sliding rod to enter the clamping hole of the inserting column, the effect of limiting and fixing the scissor blade is achieved, the scissor blade is conveniently disassembled and replaced through the connecting assembly, and the problem that the scissor blade cannot be independently replaced when the long-time use wear of the scissor blade seriously affects the using effect is avoided, and only the whole stitch removing scissors can be replaced, so that waste is caused.

2. According to the utility model, the reset spring is arranged, when fingers of medical staff are put into the finger ring to pinch the two scissor arms to be combined, the arc-shaped rod at one end of the vertical plate at the lower end of the arc-shaped plate slides in the sliding hole of one scissor arm, the reset spring is compressed at the same time, when the two scissor arms need to be separated, the two scissor arms can be separated by using the elastic force of the reset spring, and meanwhile, the limiting plate plays a limiting role, and the two scissor arms can be automatically sprung through the arrangement of the reset spring, so that the practicability of the device is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the present utility model with a shear blade replaced;

FIG. 3 is an enlarged view of the utility model at A of FIG. 2;

in the figure: 1. a scissor arm; 2. a limiting plate; 3. a finger ring; 4. an arc-shaped plate; 5. a riser; 6. an arc-shaped rod; 7. a pin shaft; 8. a connection assembly; 81. a fixed cover; 82. inserting a column; 83. a jack; 84. a slide bar; 85. a convex plate; 86. pulling a column; 87. a side plate; 88. a connecting spring; 89. a clamping hole; 9. a shear blade; 10. a notch; 11. a guide hook; 12. a bump; 13. a return spring; 14. and a slide hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides an ophthalmic thread-dismantling scissors, includes two scissors arms 1, connects through round pin axle 7 between two scissors arms 1, and two scissors arms 1 one end all is provided with ring 3, and two scissors arms 1 other end all is provided with scissors blade 9, sets up on one side scissors blade 9 with lug 12, and the position that corresponds with lug 12 on the scissors blade 9 of the other side is provided with notch 10, and notch 10 is kept away from scissors arm 1 one side and is provided with guide hook 11, connects through coupling assembling 8 between scissors blade 9 and the scissors arm 1.

Specifically, coupling assembling 8 includes fixed cover 81, inserted link 82, jack 83, slide bar 84, boss 85, coupling spring 88 and card hole 89, wherein, scissors arm 1 is close to scissors blade 9 one end and is provided with fixed cover 81, scissors blade 9 is close to fixed cover 81 one end and is provided with inserted link 82, be provided with slide bar 84 in the fixed cover 81, slide bar 84 surface one side is provided with boss 85, slide bar 84 surface is provided with coupling spring 88 between boss 85 and the fixed cover 81, be provided with the card hole 89 that corresponds with slide bar 84 in the inserted link 82, fixed cover 81 one end is provided with jack 83 that corresponds with inserted link 82.

Through adopting above-mentioned technical scheme, through setting up coupling assembling 8 and conveniently dismantling the change of scissors blade 9, avoid when scissors blade 9 use wearing and tearing for a long time seriously influence the result of use unable to change alone scissors blade 9, only can change the stitch scissors is whole, causes extravagant.

Specifically, the connecting assembly 8 further comprises a pull column 86 and a side plate 87, wherein a plurality of pull columns 86 are arranged on the outer side of the convex plate 85, and one end of the sliding rod 84 is provided with the side plate 87.

Through adopting above-mentioned technical scheme, set up a plurality of pull columns 86 in the flange 85 outside and conveniently stimulate the flange 85, set up curb plate 87 and carry out spacingly to slide bar 84.

Specifically, the side edge of one end of the sliding rod 84 far away from the side plate 87 is in an arc-shaped structure, and the side edge of the inserting column 82 is tangent to the inner wall of the inserting hole 83.

Through adopting above-mentioned technical scheme, make things convenient for slide bar 84 to get into in the card hole 89, insert the post 82 and insert more firm in the jack 83, can not take place to rock.

When this embodiment was used, during ophthalmology tear open line and cut the use, install the device in suitable position, medical personnel put into finger ring 3 with the finger and pinch two scissors arms 1, scissors arm 1 drives scissors blade 9 and removes, at first pick up the suture through guide hook 11, and be fixed in between notch 10 and the lug 12, afterwards can demolish the suture, through setting up coupling assembling 8, when scissors blade 9 uses wearing and tearing seriously influence result of use for a long time, promote flange 85 and drive slide bar 84 and remove in fixed cover 81, slide bar 84 one end is removed in the card hole 89 of inserted link 82, simultaneously the coupling spring 88 receives the compression, later can take out the inserted link 82 of old scissors blade 9 one end from fixed cover 81, insert the jack 83 of fixed cover 81 with the inserted link 82 of new scissors blade 9 one end again, loosen flange 85, coupling spring 88 stretches and promotes in the card hole 89 of inserted link 82, reach and carry out spacing fixed effect to scissors blade 9, conveniently carry out dismouting to scissors blade 9 through setting up coupling assembling 8, it can not make things convenient for the whole to change the slide bar 85 to use the wear and tear down singly when long-time to avoid the scissors blade 9 to use and change the whole and can's outside to change the flange 85 to set up and can't be wasted in the side plate 87.

Example 2

This embodiment differs from embodiment 1 in that: one side scissor arm 1 one end is provided with arc 4, and arc 4 lower extreme one side is provided with riser 5, and riser 5 one end is provided with arc pole 6, and the arc pole 6 other end is provided with limiting plate 2, and the position that other side scissor arm 1 corresponds with arc pole 6 is provided with slide hole 14, and the arc pole 6 surface is provided with reset spring 13 between slide hole 14 and riser 5.

Through adopting above-mentioned technical scheme, utilize the spring of reset spring 13 to stretch the power and can make two scissor arms 1 separate, limiting plate 2 plays the limiting action simultaneously, makes two scissor arms 1 can be automatic open that pops through setting up reset spring 13, improves the device practicality.

Specifically, the arc-shaped rod 6 and the pin shaft 7 are concentric, and the vertical plate 5 and the arc-shaped plate 4 are of a welding integrated structure.

By adopting the technical scheme, when the two scissor arms 1 rotate, the arc-shaped rod 6 can slide in the slide hole 14 of the scissor arm 1 at one side, and the vertical plate 5 and the arc-shaped plate 4 are of a welding integrated structure which is more firm and durable.

When the embodiment is used, by arranging the reset spring 13, when fingers of medical staff are put into the finger ring 3 to pinch the two scissor arms 1 to be combined, the arc-shaped rod 6 at one end of the vertical plate 5 at the lower end of the arc-shaped plate 4 slides in the sliding hole 14 of one scissor arm 1, the reset spring 13 is compressed simultaneously, when the two scissor arms 1 need to be separated, the two scissor arms 1 can be separated by using the elastic stretching force of the reset spring 13, and meanwhile, the limiting plate 2 plays a limiting role, and the two scissor arms 1 can be automatically sprung through arranging the reset spring 13, so that the practicability of the device is improved.

The structure and the working principle of the scissor arm 1, the finger ring 3, the pin shaft 7, the scissor blade 9, the notch 10, the guide hook 11 and the lug 12 are disclosed in the special ophthalmic thread-dismantling scissors disclosed in the Chinese patent application No. 2013103461043, the working principle is that medical staff put fingers into the finger ring 3 to pinch the two scissor arms 1, the scissor arm 1 drives the scissor blade 9 to move, firstly, a suture thread is lifted up through the guide hook 11 and is fixed between the notch 10 and the lug 12, and then the suture thread can be dismantled.

The working principle and the using flow of the utility model are as follows: when the ophthalmic thread-dismantling scissors are used, the device is arranged at a proper position, a medical staff puts fingers into the finger ring 3 to pinch the two scissor arms 1, the scissor arms 1 drive the scissor blades 9 to move, firstly, the suture thread is lifted up through the guide hooks 11 and fixed between the notch 10 and the convex blocks 12, then the suture thread can be dismantled, through the arrangement of the connecting component 8, when the scissor blades 9 are worn for a long time to seriously affect the use effect, the connecting component pushes the convex plate 85 to drive the sliding rod 84 to move in the fixed cover 81, one end of the sliding rod 84 moves from the clamping hole 89 of the inserting post 82, meanwhile, the connecting spring 88 is compressed, then the inserting post 82 at one end of the old scissor blade 9 can be taken out from the fixed cover 81, the inserting post 82 at one end of the new scissor blade 9 is inserted into the inserting hole 83 of the fixed cover 81, the convex plate 85 is loosened, one end of the connecting spring 88 is pushed into the clamping hole 89 of the inserting post 82 in a spring, the effect of limiting and fixing the scissors blades 9 is achieved, the scissors blades 9 are conveniently disassembled and replaced through the arrangement of the connecting component 8, the situation that when the scissors blades 9 are used for a long time and abrasion seriously affects the using effect, the scissors blades 9 cannot be independently replaced, only the whole stitch scissors can be replaced, waste is caused, the convex plate 85 is conveniently pulled through the arrangement of the plurality of pull columns 86 on the outer side of the convex plate 85, the slide bars 84 are limited through the arrangement of the side plates 87, when the fingers of medical staff put into the finger ring 3 to pinch the two scissor arms 1 for merging, the arc-shaped rods 6 at one end of the vertical plates 5 at the lower end of the arc-shaped plates 4 slide in the slide holes 14 of the scissor arms 1 at one side, the reset springs 13 are compressed, when the two scissor arms 1 need to be separated, the two scissor arms 1 can be separated by the elastic extension force of the reset springs 13, and the limiting plate 2 plays a role of limiting, the reset spring 13 is arranged to enable the two scissor arms 1 to automatically spring, so that the practicability of the device is improved.

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

Claims

1. An ophthalmic thread removing scissors comprises two scissors arms, and is characterized in that: the two scissor arms are connected through a pin shaft, one ends of the two scissor arms are provided with finger rings, the other ends of the two scissor arms are provided with scissor blades, one side of the scissor blades is provided with a bump, the other side of the scissor blades is provided with a notch corresponding to the bump, one side of the notch, which is far away from the scissor arms, is provided with a guide hook, and the scissor blades are connected with the scissor arms through a connecting component;

the connecting assembly comprises a fixed cover, an inserting column, an inserting hole, a sliding rod, a convex plate, a connecting spring and a clamping hole, wherein the fixed cover is arranged at one end of a scissor arm, close to the scissor blade, the inserting column is arranged at one end of the scissor blade, close to the fixed cover, the sliding rod is arranged in the fixed cover, the convex plate is arranged on one side of the surface of the sliding rod, the connecting spring is arranged on the surface of the sliding rod between the convex plate and the fixed cover, the clamping hole corresponding to the sliding rod is arranged in the inserting column, and the inserting hole corresponding to the inserting column is arranged at one end of the fixed cover.

2. The ophthalmic thread trimmer of claim 1 wherein: the connecting assembly further comprises pull columns and side plates, wherein a plurality of pull columns are arranged on the outer sides of the convex plates, and one end of each sliding rod is provided with one side plate.

3. The ophthalmic thread trimmer of claim 2 wherein: the side edge of one end of the sliding rod far away from the side plate is of an arc-shaped structure, and the side edge of the inserted column is tangent to the inner wall of the jack.

4. The ophthalmic thread trimmer of claim 1 wherein: one side scissor arm one end is provided with the arc, and arc lower extreme one side is provided with the riser, and riser one end is provided with the arc pole, and the arc pole other end is provided with the limiting plate, and the other side scissor arm is provided with the slide opening with the position that the arc pole corresponds, and the arc pole surface is provided with reset spring between slide opening and the riser.

5. The ophthalmic thread take-off scissors of claim 4, wherein: the arc-shaped rod and the pin shaft are concentric, and the vertical plate and the arc-shaped plate are of a welding integrated structure.