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CN111772917A - A scleral lamellar knife - Google Patents

A scleral lamellar knife
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Publication number
CN111772917A
CN111772917ACN202010650305.2ACN202010650305ACN111772917ACN 111772917 ACN111772917 ACN 111772917ACN 202010650305 ACN202010650305 ACN 202010650305ACN 111772917 ACN111772917 ACN 111772917A
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knife
assembly
seat
cutting
blade
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李新宇
吴超琼
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Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology
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Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology
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Abstract

Translated fromChinese

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。

Figure 202010650305

The invention relates to a scleral plate knife, comprising a knife seat, a knife rest assembly, a cutting seat and an impulse generating mechanism. The interior of the knife seat is hollow, and the front end of the knife seat is provided with a hole for the knife rest assembly to pass through. The front end of the cutting seat is provided with a cutting groove extending to the rear end of the cutting seat and corresponding to the hole position. A suction cup assembly is installed inside the knife seat, and the suction surface of the suction cup assembly is placed at the bottom of the cutting groove. The frame assembly runs through the holes in the front and rear, and its front end is provided with a blade that matches the cutting groove. The impulse generating mechanism is assembled in the knife seat and is used to drive the knife frame assembly to drive the blade to move forward into the cutting groove, so that the cutting is sucked by the suction cup assembly. Cut the sclera in the groove. Advantages: The problems of uneven size, complex operation and low efficiency of manual cutting of the scleral flap in traditional surgery are improved, the operation is simple and convenient, the cutting efficiency is high, and the quality is good.

Figure 202010650305

Description

Translated fromChinese
一种巩膜板层刀A scleral lamellar knife

技术领域technical field

本发明涉及青光眼治疗技术领域,特别涉及一种巩膜板层刀。The invention relates to the technical field of glaucoma treatment, in particular to a scleral lamellar knife.

背景技术Background technique

目前现有的制作巩膜瓣的方式是通过医生用巩膜隧道刀在巩膜上切割出巩膜瓣,切割精度无法保证,且由于是手动控制,靠经验和手法来切割出巩膜瓣,切割后眼球表面凹凸不平,手术失败风险高,并且,切割比较依赖医护人员技术娴熟程度,切割效率较低。At present, the existing method of making a scleral flap is to cut the scleral flap on the sclera by a doctor using a scleral tunnel knife. The cutting accuracy cannot be guaranteed, and because of manual control, the scleral flap is cut out by experience and techniques, and the surface of the eyeball is uneven after cutting. Uneven, the risk of surgical failure is high, and the cutting is more dependent on the skill of medical staff, and the cutting efficiency is low.

发明内容SUMMARY OF THE INVENTION

本发明所要解决的技术问题是提供一种巩膜板层刀,有效的克服了现有技术的缺陷。The technical problem to be solved by the present invention is to provide a scleral lamina knife, which effectively overcomes the defects of the prior art.

本发明解决上述技术问题的技术方案如下:The technical scheme that the present invention solves the above-mentioned technical problems is as follows:

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,上述刀座内部中空,其前端设有供上述刀架组件穿过的孔位,上述切割座装配于上述刀座的前端,上述切割座一侧开有延伸至其后端端部并与上述孔位对应的切割槽,上述刀座内部安装有吸盘组件,且该吸盘组件的吸附面置于上述切割槽的槽底处,上述刀架组件前后贯穿上述孔位,其前端设有与上述切割槽相匹配的刀片,上述冲量发生机构装配于上述刀座中,用于驱使上述刀架组件带动上述刀片向前移动至上述切割槽中,从而切割由上述吸盘组件吸入切割槽中的巩膜。A scleral plate knife, comprising a knife seat, a knife holder assembly, a cutting seat and an impulse generating mechanism, wherein the inside of the above-mentioned knife holder is hollow, the front end of which is provided with a hole for the above-mentioned knife holder assembly to pass through, and the above-mentioned cutting seat is assembled on the above-mentioned knife At the front end of the seat, one side of the above-mentioned cutting seat is provided with a cutting groove extending to its rear end and corresponding to the above-mentioned hole position, and a suction cup assembly is installed inside the above-mentioned knife seat, and the suction surface of the suction cup assembly is placed in the above-mentioned cutting groove. At the bottom of the groove, the above-mentioned tool holder assembly runs through the above-mentioned hole positions before and after, and its front end is provided with a blade that matches the above-mentioned cutting groove. Move into the cutting groove, thereby cutting the sclera sucked into the cutting groove by the suction cup assembly.

在上述技术方案的基础上,本发明还可以做如下改进。On the basis of the above technical solutions, the present invention can also be improved as follows.

进一步,上述冲量发生机构包括手柄和弹性件,上述弹性件连接于上述刀座内腔的后端与上述刀架组件的后端之间,上述刀座上沿前后方向设有供上述手柄穿过并滑行的滑孔,上述手柄穿过上述滑孔,并与上述刀架组件的后端连接固定,上述手柄可在外力作用下向后拉动,并带动上述刀架组件向后移动至刀片脱离上述切割槽,并压缩上述弹性件,撤销外力后,上述弹性件恢复初始状态,并驱使上述刀架组件带动刀片向前移动至上述切割槽中。Further, the above-mentioned impulse generating mechanism includes a handle and an elastic member, the above-mentioned elastic member is connected between the rear end of the inner cavity of the above-mentioned knife holder and the rear end of the above-mentioned knife holder assembly, and the above-mentioned knife holder is provided with a front and rear direction for the above-mentioned handle to pass through. The sliding hole for sliding and sliding, the handle passes through the sliding hole, and is connected and fixed with the rear end of the knife holder assembly, the handle can be pulled backward under the action of external force, and drives the knife holder assembly to move backward until the blade is separated from the above-mentioned cut the groove and compress the elastic piece. After the external force is removed, the elastic piece returns to the initial state and drives the knife holder assembly to drive the blade to move forward into the cutting groove.

进一步,上述冲量发生机构还包括定位组件,上述定位组件装配于上述刀座上,其用于在上述刀架组件带动刀片向后移动至脱离上述切割槽后对其定位保持其当前位置。Further, the above-mentioned impulse generating mechanism further includes a positioning assembly, which is assembled on the above-mentioned knife seat, and is used for positioning and maintaining the current position of the blade after the above-mentioned knife holder assembly drives the blade to move backwards to be separated from the above-mentioned cutting groove.

进一步,上述定位组件包括限位卡块和限位柱,上述限位卡块可拆卸的装配于上述刀座上对应上述刀架组件后端移动轨迹后方的位置,其上设有延伸至其端部并与上述手柄相卡合的卡口,上述限位卡块装配于上述刀座上,并用于与上述限位卡块的前端相抵,当上述刀架组件带动上述刀片向后移动至极限位置时,上述限位卡块可装配于上述刀座上,并通过卡口与上述手柄相互卡合,且与上述限位卡块后端相抵,从而保持上述刀架组件的当前位置。Further, the above-mentioned positioning assembly includes a limit block and a limit post, the above-mentioned limit block is detachably assembled on the above-mentioned tool holder corresponding to the position behind the movement track of the rear end of the above-mentioned tool holder assembly, and there are provided on it extending to its end. A bayonet that engages with the handle, the limit block is assembled on the knife seat, and is used to abut the front end of the limit block, when the knife block assembly drives the blade to move backwards to the limit position At the time, the limit block can be assembled on the knife holder, and engage with the handle through the bayonet, and abut against the rear end of the limit block, so as to maintain the current position of the knife block assembly.

进一步,上述刀座的左右两侧分别沿前后方向设有上述滑孔,相应的上述刀座左右两侧分别一一对应的设有穿过两侧滑孔的上述手柄,上述限位卡块为开口朝下的U形卡块,其两侧分别设有竖直向下延伸至其下端端部的上述卡口。Further, the left and right sides of the above-mentioned knife holder are respectively provided with the above-mentioned sliding holes along the front-rear direction, and the corresponding left and right sides of the above-mentioned knife holder are respectively provided with the above-mentioned handles passing through the sliding holes on both sides, and the above-mentioned limit blocks are: The two sides of the U-shaped clamping block with its opening facing downward are respectively provided with the above-mentioned bayonet openings extending vertically downward to the lower end portion thereof.

进一步,上述刀座内腔眼前后方向设有导向杆,上述刀架组件的后端设有套设于上述导向杆外的滑动部,上述弹性件连接于上述刀座内腔的后端与上述滑动部的后端之间。Further, a guide rod is provided in the front and rear directions of the inner cavity of the knife seat, the rear end of the knife block assembly is provided with a sliding part sleeved outside the guide rod, and the elastic member is connected to the rear end of the inner cavity of the knife seat and the above-mentioned between the rear ends of the sliding parts.

进一步,上述弹性件为套设于上述导向杆外的弹簧。Further, the elastic member is a spring sleeved outside the guide rod.

本发明的有益效果是: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 beneficial effects of the invention are as follows: the problems of uneven size, complex operation and low efficiency of manual cutting of the scleral flap in traditional surgery are improved, the operation is simple and convenient, the cutting efficiency is high, and the quality is good.

附图说明Description of drawings

图1为本发明的巩膜板层刀的结构示意图;Fig. 1 is the structural representation of the scleral lamina knife of the present invention;

图2本发明的巩膜板层刀的结构剖视图。Fig. 2 is a cross-sectional view of the structure of the scleral lamina knife of the present invention.

附图中,各标号所代表的部件列表如下:In the accompanying drawings, the list of components represented by each number is as follows:

1、刀座,2、刀架组件,3、切割座,4、冲量发生机构,5、吸盘组件,11、导向杆,12、安装部,21、刀片,22、滑动部,31、切割槽,41、手柄,42、弹性件,43、限位卡块,44、限位柱,431、卡口。1. Tool seat, 2. Tool rest assembly, 3. Cutting seat, 4. Impulse generating mechanism, 5. Suction cup assembly, 11. Guide rod, 12. Mounting part, 21, Blade, 22, Sliding part, 31, Cutting groove , 41, handle, 42, elastic piece, 43, limit block, 44, limit post, 431, bayonet.

具体实施方式Detailed ways

以下结合附图对本发明的原理和特征进行描述,所举实例只用于解释本发明,并非用于限定本发明的范围。The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples are only used to explain the present invention, but not to limit the scope of the present invention.

实施例:如图1和2所示,本实施例的巩膜板层刀包括刀座1、刀架组件2、切割座3和冲量发生机构4,上述刀座1内部中空,其前端设有供上述刀架组件2穿过的孔位,上述切割座3装配于上述刀座1的前端,上述切割座3一侧开有延伸至其后端端部并与上述孔位对应的切割槽31,上述刀座1内部安装有吸盘组件5,且该吸盘组件5的吸附面置于上述切割槽31的槽底处,上述刀架组件2前后贯穿上述孔位,其前端设有与上述切割槽31相匹配的刀片21,上述冲量发生机构4装配于上述刀座1中,用于驱使上述刀架组件2带动上述刀片21向前移动至上述切割槽31中,从而切割由上述吸盘组件5吸入切割槽31中的巩膜。Embodiment: As shown in Figures 1 and 2, the scleral lamina knife of this embodiment includes aknife holder 1, aknife holder assembly 2, acutting seat 3 and an impulse generating mechanism 4. The inside of the above-mentionedknife holder 1 is hollow, and its front end is provided with a The hole position through which theknife holder assembly 2 passes, thecutting seat 3 is assembled on the front end of theknife seat 1, and acutting groove 31 extending to the rear end of thecutting seat 3 and corresponding to the hole position is opened on one side of thecutting seat 3, Asuction cup assembly 5 is installed inside the above-mentionedknife holder 1, and the suction surface of thesuction cup assembly 5 is placed at the bottom of the above-mentionedcutting groove 31. The above-mentionedknife holder assembly 2 passes through the above-mentioned holes front and rear, and its front end is provided with the above-mentionedcutting groove 31. Thematching blade 21, the above-mentioned impulse generating mechanism 4 is assembled in the above-mentionedknife holder 1, and is used to drive the above-mentionedknife holder assembly 2 to drive the above-mentionedblade 21 to move forward to the above-mentionedcutting groove 31, so that the cutting is sucked and cut by the above-mentionedsuction cup assembly 5. Sclera ingroove 31.

手术过程如下:The procedure is as follows:

1)手术前,刀架组件2相对于刀座1向后移动,使刀片21脱离切割槽31(或是完全避让开切割槽31);1) Before the operation, theknife holder assembly 2 moves backward relative to theknife base 1, so that theblade 21 is separated from the cutting groove 31 (or completely avoids the cutting groove 31);

2)将器械头部的切割槽31扣压在眼球巩膜处,通过与吸盘组件5连接的抽真空装置使得吸盘组件5的吸附面产生负压,让切割座3头部吸附在巩膜上;2) Press thecutting groove 31 of the instrument head on the sclera of the eyeball, and make the suction surface of thesuction cup assembly 5 generate negative pressure through the vacuuming device connected with thesuction cup assembly 5, so that the head of thecutting seat 3 is adsorbed on the sclera;

3)等负压稳定后,冲量发生机构4驱使刀架组件2带动刀片21向前快速移动,给刀片一个冲量,使得刀片21向前滑入切割槽31中,并切开巩膜瓣。3) After the negative pressure is stabilized, the impulse generating mechanism 4 drives theblade holder assembly 2 to drive theblade 21 to move forward rapidly, giving the blade an impulse, so that theblade 21 slides forward into thecutting groove 31 and cuts the scleral flap.

整个装置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 whole device improves the problems of uneven size, complicated operation and low efficiency of manual cutting of the scleral flap in traditional surgery. The operation is simple and convenient, and the cutting efficiency is high and the quality is good.

上述刀座1内设有与吸盘组件5相匹配的装配腔,吸盘组件5采用常规的吸盘件(具体结构在此不做赘述)。The above-mentionedknife holder 1 is provided with an assembly cavity matching with thesuction cup assembly 5, and thesuction cup assembly 5 adopts a conventional suction cup member (the specific structure is not repeated here).

更佳的,在刀座1前端位于孔位任意一侧的位置设有向前延伸的条状的安装部12,切割座3装配于安装部12的前端。More preferably, a strip-shaped mounting portion 12 extending forward is provided at a position where the front end of theknife seat 1 is located on either side of the hole, and thecutting seat 3 is assembled on the front end of themounting portion 12 .

上述切割槽31可以根据切割的规格设计不同尺寸,但最佳的应设计为方形槽,相应的刀片21为与其匹配的长方形刀片(前后延伸并竖向设置),例如:切割槽31规格为4mm×4mm,深度为0.3mm,刀片的宽度接近4mm。The above-mentionedcutting groove 31 can be designed with different sizes according to the cutting specifications, but the best should be designed as a square groove, and thecorresponding blade 21 is a matching rectangular blade (extended front and rear and vertically arranged), for example: thecutting groove 31 is 4mm in size ×4mm, the depth is 0.3mm, and the width of the blade is close to 4mm.

作为一种优选的实施方式,上述冲量发生机构4包括手柄41和弹性件42,上述弹性件42连接于上述刀座1内腔的后端与上述刀架组件2的后端之间,上述刀座1上沿前后方向设有供上述手柄41穿过并滑行的滑孔,上述手柄41穿过上述滑孔,并与上述刀架组件2的后端连接固定,上述手柄41可在外力作用下向后拉动,并带动上述刀架组件2向后移动至刀片21脱离上述切割槽31,并压缩上述弹性件42,撤销外力后,上述弹性件42恢复初始状态,并驱使上述刀架组件2带动刀片21向前移动至上述切割槽31中。As a preferred embodiment, the impulse generating mechanism 4 includes ahandle 41 and anelastic member 42. Theelastic member 42 is connected between the rear end of the inner cavity of theknife holder 1 and the rear end of theknife holder assembly 2, and the knife Theseat 1 is provided with a sliding hole for thehandle 41 to pass through and slide along the front and rear directions. Thehandle 41 passes through the sliding hole and is connected and fixed with the rear end of theknife holder assembly 2. Thehandle 41 can be under the action of external force. Pull back, and drive the above-mentionedtool holder assembly 2 to move backward until theblade 21 is separated from the above-mentionedcutting groove 31, and compress the above-mentionedelastic member 42. After the external force is removed, the above-mentionedelastic member 42 returns to the initial state, and drives the above-mentionedtool holder assembly 2 to drive Theblade 21 is moved forward into the above-mentionedcutting groove 31 .

该实施方式的操作过程如下:The operation process of this embodiment is as follows:

1)通过拉操作手柄41,让刀架组件2克服弹性件42的弹力向后运动,运动到极限位置;1) By pulling theoperating handle 41, thetool holder assembly 2 is moved backward against the elastic force of theelastic member 42 to the limit position;

2)将器械头部的切割槽31扣压在眼球巩膜处,通过与吸盘组件5连接的抽真空装置使得吸盘组件5的吸附面产生负压,让切割座3头部吸附在巩膜上;2) Press thecutting groove 31 of the instrument head on the sclera of the eyeball, and make the suction surface of thesuction cup assembly 5 generate negative pressure through the vacuuming device connected with thesuction cup assembly 5, so that the head of thecutting seat 3 is adsorbed on the sclera;

3)等负压稳定后,弹性件42恢复初始状态,并驱使刀架组件2带动刀片21向前快速移动,给刀片一个冲量,使得刀片21向前滑入切割槽31中,并切开巩膜瓣。3) After the negative pressure is stabilized, theelastic member 42 returns to the initial state, and drives theblade holder assembly 2 to drive theblade 21 to move forward rapidly, giving the blade an impulse, so that theblade 21 slides forward into thecutting groove 31 and cuts the sclera. valve.

整个操作过程比较简单、通过拉动手柄41即可完成,非常之方便。The whole operation process is relatively simple and can be completed by pulling thehandle 41, which is very convenient.

作为一种优选的实施方式,上述冲量发生机构4还包括定位组件,上述定位组件装配于上述刀座1上,其用于在上述刀架组件2带动刀片21向后移动至脱离上述切割槽31后对其定位保持其当前位置。As a preferred embodiment, the above-mentioned impulse generating mechanism 4 further includes a positioning assembly, and the above-mentioned positioning assembly is assembled on the above-mentionedknife holder 1 and is used to drive theblade 21 to move backward in the above-mentionedknife holder assembly 2 until it is separated from the above-mentionedcutting groove 31 After positioning it, it maintains its current position.

该实施方式中,定位组件的设计能够使得刀架组件2带动刀片21移动至后方极限位置后通过其保持当前位置,从而解放医护人员对刀架组件2的手动定位,使得操作更简单、方便。In this embodiment, the design of the positioning assembly enables theknife holder assembly 2 to drive theblade 21 to move to the rear limit position and maintain the current position through it, thereby freeing the medical staff to manually position theknife holder assembly 2, making the operation simpler and more convenient.

作为一种优选的实施方式,上述定位组件包括限位卡块43和限位柱44,上述限位卡块43可拆卸的装配于上述刀座1上对应上述刀架组件2后端移动轨迹后方的位置,其上设有延伸至其端部并与上述手柄41相卡合的卡口431,上述限位卡块43装配于上述刀座1上,并用于与上述限位卡块43的前端相抵,当上述刀架组件2带动上述刀片21向后移动至极限位置时,上述限位卡块43可装配于上述刀座1上,并通过卡口431与上述手柄41相互卡合,且与上述限位卡块43后端相抵,从而保持上述刀架组件2的当前位置。As a preferred embodiment, the positioning assembly includes alimit block 43 and alimit column 44 , and thelimit block 43 is detachably assembled on thetool holder 1 corresponding to the rear end of thetool holder assembly 2 behind the moving track The position of the upper part is provided with abayonet 431 extending to its end and engaging with the above-mentionedhandle 41. The above-mentionedlimit block 43 is assembled on the above-mentionedknife base 1 and is used to connect with the front end of the above-mentionedlimit block 43. On the contrary, when the above-mentionedblade holder assembly 2 drives the above-mentionedblade 21 to move backward to the limit position, the above-mentionedlimit block 43 can be assembled on the above-mentionedblade holder 1, and is mutually engaged with the above-mentionedhandle 41 through thebayonet 431, and is connected with the above-mentionedhandle 41. The rear ends of the above-mentioned limit blocks 43 are abutted against each other, thereby maintaining the current position of the above-mentionedtool rest assembly 2 .

该实施方式中,定位组件结构设计简单,利用限位卡快43对手柄41进行位置限制,再通过限位柱44限制相关构件向前的位移,从而达到对刀架组件2位置保持定位的目的,操作比较简单、快捷。In this embodiment, the structural design of the positioning assembly is simple, the position of thehandle 41 is limited by thelimit clip 43, and the forward displacement of the relevant components is limited by thelimit column 44, so as to achieve the purpose of maintaining the positioning of the position of thetool holder assembly 2 , the operation is relatively simple and fast.

作为一种优选的实施方式,如图1所示,上述刀座1的左右两侧分别沿前后方向设有上述滑孔,相应的上述刀座1左右两侧分别一一对应的设有穿过两侧滑孔的上述手柄41,上述限位卡块43为开口朝下的U形卡块,其两侧分别设有竖直向下延伸至其下端端部的上述卡口431。As a preferred embodiment, as shown in FIG. 1 , the left and right sides of theblade holder 1 are respectively provided with the sliding holes along the front and rear directions, and the corresponding left and right sides of theblade holder 1 are respectively provided with through holes in one-to-one correspondence. Thehandle 41 with sliding holes on both sides and the limitingblock 43 are U-shaped blocks with downward openings, and the two sides are respectively provided with the above-mentionedbayonet 431 extending vertically downward to the lower end.

该实施方式中,限位卡块43采用上下插装的方式,操作比较快捷、灵活,并且,采用两侧分别设置手柄41的结构,使得通过手柄41对刀架组件2的拉动过程受力比较平稳、均匀,移动比较顺畅,不易发生卡顿的现象。In this embodiment, thelimit block 43 is inserted up and down, which is quick and flexible to operate, and thehandle 41 is arranged on both sides respectively, so that the force in the process of pulling thetool holder assembly 2 by thehandle 41 is comparatively high. Stable and even, the movement is relatively smooth, and the phenomenon of jamming is not easy to occur.

作为一种优选的实施方式,上述刀座1内腔眼前后方向设有导向杆11,上述刀架组件2的后端设有套设于上述导向杆11外的滑动部22,上述弹性件42连接于上述刀座1内腔的后端与上述滑动部22的后端之间。As a preferred embodiment, the inner cavity of theknife holder 1 is provided with aguide rod 11 in the front and rear directions, the rear end of theknife holder assembly 2 is provided with a slidingportion 22 sleeved outside theguide rod 11, and theelastic member 42 It is connected between the rear end of the inner cavity of thetool holder 1 and the rear end of the slidingportion 22 .

该实施方式中,导向杆11及滑动部22的相互配合设计,使得刀架组件2的前后移动能够沿导向杆11正确的滑动,不会发生刀架组件2的左右上下晃动的情况,从而确保刀片21在切割槽31内对巩膜的切割动作比较标准,也就是切割的效率及质量得到有效的保障。In this embodiment, theguide rod 11 and the slidingpart 22 are designed to cooperate with each other, so that the front and rear movement of thetool holder assembly 2 can be correctly slid along theguide rod 11, and the left and right up and down shaking of thetool holder assembly 2 will not occur, so as to ensure The cutting action of theblade 21 on the sclera in the cuttinggroove 31 is relatively standard, that is, the cutting efficiency and quality are effectively guaranteed.

作为一种优选的实施方式,上述弹性件42为套设于上述导向杆11外的弹簧。As a preferred embodiment, theelastic member 42 is a spring sleeved on the outside of theguide rod 11 .

该实施方式中,弹簧套设于导向杆11外,其布置比较稳定,并且在收到外力压缩时,其压缩方向能够沿导向杆11良好的向后压缩,使得后续释放后确保刀架组件2能良好的向前移动切割。In this embodiment, the spring is sleeved outside theguide rod 11, its arrangement is relatively stable, and when compressed by an external force, its compression direction can be well compressed backwards along theguide rod 11, so that thetool holder assembly 2 can be ensured after subsequent release. Can move forward well for cutting.

当然,需要说明的是:整个器材中,冲量发生机构4可以采用完整的电动伸缩机构来实现自动化的运行。Of course, it should be noted that: in the whole equipment, the impulse generating mechanism 4 can use a complete electric telescopic mechanism to realize automatic operation.

以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (7)

Translated fromChinese
1.一种巩膜板层刀,其特征在于:包括刀座(1)、刀架组件(2)、切割座(3)和冲量发生机构(4),所述刀座(1)内部中空,其前端设有供所述刀架组件(2)穿过的孔位,所述切割座(3)装配于所述刀座(1)的前端,所述切割座(3)一侧开有延伸至其后端端部并与所述孔位对应的切割槽(31),所述刀座(1)内部安装有吸盘组件(5),且该吸盘组件(5)的吸附面置于所述切割槽(31)的槽底处,所述刀架组件(2)前后贯穿所述孔位,其前端设有与所述切割槽(31)相匹配的刀片(21),所述冲量发生机构(4)装配于所述刀座(1)中,用于驱使所述刀架组件(2)带动所述刀片(21)向前移动至所述切割槽(31)中,从而切割由所述吸盘组件(5)吸入切割槽(31)中的巩膜。1. A scleral lamina knife, characterized in that it comprises a knife seat (1), a knife rest assembly (2), a cutting seat (3) and an impulse generating mechanism (4), wherein the knife seat (1) is hollow inside, The front end is provided with a hole for the knife holder assembly (2) to pass through, the cutting seat (3) is assembled on the front end of the knife seat (1), and one side of the cutting seat (3) is extended with an extension To the cutting groove (31) at its rear end and corresponding to the hole position, a suction cup assembly (5) is installed inside the knife holder (1), and the suction surface of the suction cup assembly (5) is placed on the At the bottom of the cutting groove (31), the knife holder assembly (2) runs through the hole in the front and rear, and a blade (21) matching the cutting groove (31) is arranged at the front end of the knife holder assembly (2). The impulse generating mechanism (4) is assembled in the knife seat (1), and used to drive the knife block assembly (2) to drive the knife (21) to move forward into the cutting groove (31), so as to cut the The suction cup assembly (5) sucks the sclera in the cutting slot (31).2.根据权利要求1所述的一种巩膜板层刀,其特征在于:所述冲量发生机构(4)包括手柄(41)和弹性件(42),所述弹性件(42)连接于所述刀座(1)内腔的后端与所述刀架组件(2)的后端之间,所述刀座(1)上沿前后方向设有供所述手柄(41)穿过并滑行的滑孔,所述手柄(41)穿过所述滑孔,并与所述刀架组件(2)的后端连接固定,所述手柄(41)可在外力作用下向后拉动,并带动所述刀架组件(2)向后移动至刀片(21)脱离所述切割槽(31),并压缩所述弹性件(42),撤销外力后,所述弹性件(42)恢复初始状态,并驱使所述刀架组件(2)带动刀片(21)向前移动至所述切割槽(31)中。2 . The scleral lamina knife according to claim 1 , wherein the impulse generating mechanism ( 4 ) comprises a handle ( 41 ) and an elastic member ( 42 ), and the elastic member ( 42 ) is connected to the Between the rear end of the inner cavity of the knife holder (1) and the rear end of the knife holder assembly (2), the knife holder (1) is provided with a front-rear direction for the handle (41) to pass through and slide The sliding hole, the handle (41) passes through the sliding hole, and is connected and fixed with the rear end of the tool holder assembly (2). The handle (41) can be pulled back under the action of external force, and drives The knife holder assembly (2) moves backward until the blade (21) is separated from the cutting groove (31), and compresses the elastic member (42), and after the external force is removed, the elastic member (42) returns to the initial state, And the blade holder assembly (2) is driven to move the blade (21) forward into the cutting groove (31).3.根据权利要求2所述的一种巩膜板层刀,其特征在于:所述冲量发生机构(4)还包括定位组件,所述定位组件装配于所述刀座(1)上,其用于在所述刀架组件(2)带动刀片(21)向后移动至脱离所述切割槽(31)后对其定位保持其当前位置。3 . The scleral lamina knife according to claim 2 , wherein the impulse generating mechanism ( 4 ) further comprises a positioning assembly, and the positioning assembly is assembled on the knife seat ( 1 ) and is used for After the blade holder assembly (2) drives the blade (21) to move backwards to be separated from the cutting groove (31), the blade (21) is positioned and maintained at its current position.4.根据权利要求3所述的一种巩膜板层刀,其特征在于:所述定位组件包括限位卡块(43)和限位柱(44),所述限位卡块(43)可拆卸的装配于所述刀座(1)上对应所述刀架组件(2)后端移动轨迹后方的位置,其上设有延伸至其端部并与所述手柄(41)相卡合的卡口(431),所述限位卡块(43)装配于所述刀座(1)上,并用于与所述限位卡块(43)的前端相抵,当所述刀架组件(2)带动所述刀片(21)向后移动至极限位置时,所述限位卡块(43)可装配于所述刀座(1)上,并通过卡口(431)与所述手柄(41)相互卡合,且与所述限位卡块(43)后端相抵,从而保持所述刀架组件(2)的当前位置。The scleral lamina knife according to claim 3, characterized in that: the positioning assembly comprises a limit block (43) and a limit post (44), and the limit block (43) can be The disassembled assembly is mounted on the knife holder (1) at a position corresponding to the rear end of the moving track of the knife holder assembly (2). A bayonet (431), the limiting block (43) is assembled on the tool holder (1), and is used to abut against the front end of the limiting block (43), when the tool holder assembly (2) ) when the blade (21) is driven to move backward to the limit position, the limit block (43) can be assembled on the blade seat (1), and is connected to the handle (41) through the bayonet (431) ) are engaged with each other and abut against the rear end of the limiting block (43), thereby maintaining the current position of the tool holder assembly (2).5.根据权利要求4所述的一种巩膜板层刀,其特征在于:所述刀座(1)的左右两侧分别沿前后方向设有所述滑孔,相应的所述刀座(1)左右两侧分别一一对应的设有穿过两侧滑孔的所述手柄(41),所述限位卡块(43)为开口朝下的U形卡块,其两侧分别设有竖直向下延伸至其下端端部的所述卡口(431)。5. A scleral lamina knife according to claim 4, characterized in that: the left and right sides of the knife seat (1) are respectively provided with the sliding holes along the front and rear directions, and the corresponding knife seat (1) is provided with the sliding holes. ) The left and right sides are respectively provided with the handles (41) that pass through the sliding holes on both sides, and the limit block (43) is a U-shaped block with an opening facing down, and its two sides are respectively provided with The bayonet (431) extends vertically downward to its lower end.6.根据权利要求2至5任一项所述的一种巩膜板层刀,其特征在于:所述刀座(1)内腔眼前后方向设有导向杆(11),所述刀架组件(2)的后端设有套设于所述导向杆(11)外的滑动部(22),所述弹性件(42)连接于所述刀座(1)内腔的后端与所述滑动部(22)的后端之间。6. A scleral lamina knife according to any one of claims 2 to 5, characterized in that: a guide rod (11) is provided in the anterior and posterior directions of the inner cavity of the knife holder (1), and the knife holder assembly The rear end of (2) is provided with a sliding portion (22) sleeved outside the guide rod (11), and the elastic member (42) is connected to the rear end of the inner cavity of the knife seat (1) and the between the rear ends of the sliding parts (22).7.根据权利要求6所述的一种巩膜板层刀,其特征在于:所述弹性件(42)为套设于所述导向杆(11)外的弹簧。7 . The scleral lamina knife according to claim 6 , wherein the elastic member ( 42 ) is a spring sleeved outside the guide rod ( 11 ). 8 .
CN202010650305.2A2020-07-082020-07-08 A scleral lamellar knifePendingCN111772917A (en)

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Publication numberPriority datePublication dateAssigneeTitle
GB1286339A (en)*1969-07-151972-08-23Herman George BenderSurgical cutter
RU94015005A (en)*1994-04-221996-08-10Казанский медико-инструментальный заводOphthalmologic instrument
US5669923A (en)*1996-01-241997-09-23Gordon; Mark G.Anterior capsulotomy device and procedure
CN101032419A (en)*2006-03-072007-09-12伊西康内外科公司Device for minimally invasive internal tissue removal
CN102626329A (en)*2012-03-132012-08-08郑州大学Radiofrequency ablation negative pressure automatic biopsy gun

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
GB1286339A (en)*1969-07-151972-08-23Herman George BenderSurgical cutter
RU94015005A (en)*1994-04-221996-08-10Казанский медико-инструментальный заводOphthalmologic instrument
US5669923A (en)*1996-01-241997-09-23Gordon; Mark G.Anterior capsulotomy device and procedure
CN101032419A (en)*2006-03-072007-09-12伊西康内外科公司Device for minimally invasive internal tissue removal
CN102626329A (en)*2012-03-132012-08-08郑州大学Radiofrequency ablation negative pressure automatic biopsy gun

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