阅读说明：本技术 一种巩膜板层刀 (Sclera plate layer knife ) 是由 李新宇 吴超琼 于 2020-07-08 设计创作，主要内容包括：本发明涉及一种巩膜板层刀,包括刀座、刀架组件、切割座和冲量发生机构,刀座内部中空,其前端设有供刀架组件穿过的孔位,切割座装配于刀座的前端,切割座一侧开有延伸至其后端端部并与孔位对应的切割槽,刀座内部安装有吸盘组件,且该吸盘组件的吸附面置于切割槽的槽底处,刀架组件前后贯穿孔位,其前端设有与切割槽相匹配的刀片,冲量发生机构装配于刀座中,用于驱使刀架组件带动刀片向前移动至切割槽中,从而切割由吸盘组件吸入切割槽中的巩膜。优点：改善了传统手术采用人工切割巩膜瓣大小不均匀,操作复杂,且效率低的问题,操作简单、方便,切割效率高,质量好。(The invention relates to a sclera plate layer cutter which comprises a cutter holder, a cutter holder component, a cutting seat and an impulse generating mechanism, wherein the cutter holder is hollow, a hole position for the cutter holder component to penetrate through is arranged at the front end of the cutter holder, the cutting seat is assembled at the front end of the cutter holder, one side of the cutting seat is provided with a cutting groove which extends to the end part of the rear end of the cutting seat and corresponds to the hole position, a sucker component is arranged in the cutter holder, the adsorption surface of the sucker component is arranged at the groove bottom of the cutting groove, the cutter holder component penetrates through the hole position in the front and the back, the front end of the cutter holder component is provided with a blade matched with the cutting groove, and the impulse generating mechanism is assembled in the cutter holder and is used for driving the cutter holder. The advantages are that: the problems of uneven size, complex operation and low efficiency of manually cutting the scleral flap in the traditional operation are solved, and the manual scleral flap cutting device is simple and convenient to operate, high in cutting efficiency and good in quality.)

1. A scleral slab knife, comprising: the punching and punching device comprises a cutter holder (1), a cutter rest component (2), a cutting seat (3) and a momentum generating mechanism (4), wherein the cutter holder (1) is hollow, a hole position for the cutter rest component (2) to penetrate is formed in the front end of the cutter holder (1), the cutting seat (3) is assembled at the front end of the cutter holder (1), a cutting groove (31) which extends to the end part of the rear end of the cutting seat and corresponds to the hole position is formed in one side of the cutting seat (3), a sucker component (5) is installed in the cutter holder (1), the adsorption surface of the sucker component (5) is arranged at the groove bottom of the cutting groove (31), the hole position is penetrated through the cutter holder component (2) from front to back, a blade (21) matched with the cutting groove (31) is arranged at the front end of the cutter holder, the momentum generating mechanism (4) is assembled in the cutter holder (1) and used for driving the cutter rest component (2) to drive the blade (21) to move forwards into, thereby cutting the sclera sucked into the cutting groove (31) by the sucker component (5).

2. The scleral slab knife of claim 1, wherein: the impulse generating mechanism (4) comprises a handle (41) and an elastic part (42), the elastic part (42) is connected between the rear end of an inner cavity of the tool apron (1) and the rear end of the tool rest component (2), a sliding hole for the handle (41) to pass through and slide is formed in the tool apron (1) along the front-rear direction, the handle (41) passes through the sliding hole and is fixedly connected with the rear end of the tool rest component (2), the handle (41) can be pulled backwards under the action of external force and drives the tool rest component (2) to move backwards until the blade (21) is separated from the cutting groove (31), the elastic part (42) is compressed, and after the external force is removed, the elastic part (42) recovers to the initial state and drives the tool rest component (2) to drive the blade (21) to move forwards into the cutting groove (31).

3. The scleral slab knife of claim 2, wherein: the impulse generating mechanism (4) further comprises a positioning component, the positioning component is assembled on the tool apron (1) and used for positioning and keeping the current position of the blade (21) after the blade carrier component (2) drives the blade to move backwards to be separated from the cutting groove (31).

4. The scleral slab knife of claim 3, wherein: the positioning assembly comprises a limiting clamping block (43) and a limiting column (44), the limiting clamping block (43) is detachably assembled on the cutter holder (1) at a position corresponding to the rear of the moving track of the rear end of the cutter frame assembly (2), a clamping opening (431) which extends to the end of the limiting clamping block and is clamped with the handle (41) is formed in the limiting clamping block (43), the limiting clamping block (43) is assembled on the cutter holder (1) and is used for abutting against the front end of the limiting clamping block (43), when the cutter frame assembly (2) drives the cutter blade (21) to move backwards to the limiting position, the limiting clamping block (43) can be assembled on the cutter holder (1), and is mutually clamped with the handle (41) through the clamping opening (431) and abuts against the rear end of the limiting clamping block (43), so that the current position of the cutter frame assembly (2) is maintained.

5. The scleral slab knife of claim 4, wherein: the left and right sides of blade holder (1) is equipped with along the fore-and-aft direction respectively the slide opening, it is corresponding blade holder (1) left and right sides respectively one-to-one be equipped with pass both sides slide opening handle (41), spacing fixture block (43) are opening U-shaped fixture block down, and its both sides are equipped with vertical downwardly extending to its lower extreme tip respectively bayonet socket (431).

6. The scleral slab blade of any one of claims 2 to 5, wherein: the utility model discloses a tool rest, including blade holder (1), blade holder (2), elastic component, blade holder (1) inner chamber is equipped with guide bar (11) to the direction of going back and forth, the rear end of blade holder subassembly (2) is equipped with the cover and locates the outer sliding part (22) of guide bar (11), elastic component (42) connect in the rear end of blade holder (1) inner chamber with between the rear end of sliding part (22).

7. The scleral slab knife of claim 6, wherein: the elastic piece (42) is a spring sleeved outside the guide rod (11).

Technical Field

The invention relates to the technical field of glaucoma treatment, in particular to a scleral plate layer knife.

Background

Present mode of preparation scleral flap cuts out the scleral flap through the doctor with sclera tunnel sword on the sclera, and the cutting accuracy can't be guaranteed, and owing to be manual control, cuts out the scleral flap by experience and gimmick, and eyeball surface is uneven after the cutting, and the operation failure risk is high to, the cutting relatively relies on medical personnel's skilled degree of technique, and cutting efficiency is lower.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a scleral slab knife which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a sclera plate layer sword, including the blade holder, the knife rest subassembly, cutting seat and impulse generation mechanism, above-mentioned blade holder is inside hollow, its front end is equipped with the hole site that supplies above-mentioned blade holder subassembly to pass, above-mentioned cutting seat assembles in the front end of above-mentioned blade holder, open on one side of above-mentioned cutting seat has the cutting groove that extends to its rear end tip and correspond with above-mentioned hole site, above-mentioned blade holder internally mounted has the sucking disc subassembly, and the tank bottom department of above-mentioned cutting groove is arranged in to the absorption face of this sucking disc subassembly, run through above-mentioned hole site around the above-mentioned blade holder subassembly, its front end is equipped with above-mentioned cutting groove assorted blade, above-mentioned impulse generation mechanism assembles in above-mentioned blade holder, be used for ordering about above-mentioned blade holder subassembly drive above-mentioned blade.

On the basis of the technical scheme, the invention can be further improved as follows.

Further, the impulse generating mechanism comprises a handle and an elastic element, the elastic element is connected between the rear end of the inner cavity of the tool apron and the rear end of the tool rest assembly, a sliding hole for the handle to pass through and slide is formed in the tool apron along the front-back direction, the handle passes through the sliding hole and is fixedly connected with the rear end of the tool rest assembly, the handle can be pulled backwards under the action of external force and drives the tool rest assembly to move backwards until the blade is separated from the cutting groove, the elastic element is compressed, and after the external force is removed, the elastic element restores to the initial state and drives the tool rest assembly to drive the blade to move forwards into the cutting groove.

Further, the impulse generating mechanism further comprises a positioning component, wherein the positioning component is assembled on the cutter holder and used for positioning and keeping the current position of the cutter after the cutter rest component drives the cutter to move backwards to be separated from the cutting groove.

Further, the positioning assembly comprises a limiting clamping block and a limiting column, the limiting clamping block is detachably assembled on the cutter holder at a position corresponding to the rear of the moving track of the rear end of the cutter rest assembly, a bayonet extending to the end of the limiting clamping block and clamped with the handle is arranged on the cutter holder, the limiting clamping block is assembled on the cutter holder and used for abutting against the front end of the limiting clamping block, when the cutter holder assembly drives the blade to move backwards to the limit position, the limiting clamping block can be assembled on the cutter holder and clamped with the handle through the bayonet and abuts against the rear end of the limiting clamping block, and therefore the current position of the cutter rest assembly is kept.

Further, the left side and the right side of the tool apron are respectively provided with the sliding holes along the front-back direction, the left side and the right side of the tool apron are respectively provided with the handles which penetrate through the sliding holes on the two sides in a one-to-one correspondence mode, the limiting clamping block is a U-shaped clamping block with a downward opening, and the two sides of the limiting clamping block are respectively provided with the bayonets which vertically extend downwards to the end part of the lower end of the limiting clamping block.

Further, a guide rod is arranged in the front-back direction of the inner cavity of the cutter holder, a sliding part sleeved outside the guide rod is arranged at the rear end of the cutter holder assembly, and the elastic part is connected between the rear end of the inner cavity of the cutter holder and the rear end of the sliding part.

Further, the elastic member is a spring sleeved outside the guide rod.

The invention has the beneficial effects that: the problems of uneven size, complex operation and low efficiency of manually cutting the scleral flap in the traditional operation are solved, and the manual scleral flap cutting device is simple and convenient to operate, high in cutting efficiency and good in quality.

Drawings

FIG. 1 is a schematic structural view of a scleral slab knife of the present invention;

fig. 2 is a cross-sectional view of the scleral plate knife of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a tool apron, 2, a tool rest component, 3, a cutting seat, 4, a momentum generating mechanism, 5, a sucker component, 11, a guide rod, 12, an installation part, 21, a blade, 22, a sliding part, 31, a cutting groove, 41, a handle, 42, an elastic part, 43, a limiting clamping block, 44, a limiting column, 431 and a bayonet.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.