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A staple cartridge assembly of a cutting stapler

A stapler and staple technology, which is applied in the field of medical devices, can solve problems such as poor suture effect, and achieve the effect of simple structure, perfect suture, and no tearing of the incision

Active Publication Date: 2019-04-12
SHANDONG WEIRUI SURGICAL MEDICAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the cutting and suturing of the cutting and stapling device are completed at the same time, and the suturing effect is not good. It provides a staple cartridge assembly that can realize suturing first and then cutting

Method used

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  • A staple cartridge assembly of a cutting stapler
  • A staple cartridge assembly of a cutting stapler
  • A staple cartridge assembly of a cutting stapler

Examples

Experimental program
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Embodiment Construction

[0013] Such as Figure 1-Figure 3 As shown, a staple cartridge assembly of a cutting stapler includes a staple cartridge 1, a staple pusher 5 and a cutting knife 2 installed inside the staple cartridge 1, and the cutting knife 2 is fixed through the knife groove 10 in the middle of the staple pusher 5 On the cutting knife fixed plate 3, several springs 4 with pre-tightening force are installed between the nail pushing plate 5 and the cutting knife fixing plate 3, and the cutting knife 2 blades are lower than the nail pushing plate 5 tooth surfaces.

[0014] During the assembly process, a component consisting of a nail pusher and the like is inserted into the staple cartridge, and the movement between the two is limited by the boss 8 on the component and the long groove 9 on the staple cartridge. A number of staples 7 are installed into the nail groove of the staple cartridge from the left end shown in the figure, and contact with the nail pusher 5 teeth inserted from the right...

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PUM

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Abstract

The invention discloses a staple cartridge component of a cutting and suturing device. The staple cartridge component comprises a staple cartridge and a cutting knife, a staple pushing piece pushing suturing staples is arranged in a cavity of the staple cartridge, the cutting knife penetrates a knife groove in the middle of the staple pushing piece to be fixed on a cutting knife fixing plate, a plurality of pretightening springs are mounted between the staple pushing piece and the cutting knife fixing plate, and a cutting edge of the cutting knife is lower than a tooth face of the staple pushing piece. The staple cartridge component is supportive of suturing before cutting, perfect in tissue suturing and orderly and tear-free in incision.

Description

technical field [0001] The invention belongs to the field of medical devices, and in particular relates to a staple cartridge assembly of a cutter and stapler. Background technique [0002] The cutting and stapler is a commonly used surgical instrument, which can complete the suturing and cutting actions at the same time, which greatly saves the doctor's operation time, reduces the amount of bleeding, and improves the success rate of the operation. The existing cutting and stapler is to fix a cutting knife in the middle of two rows of staples, and the cutting knife moves to the direction of the nail seat together with the pusher plate under the action of the thrust, and cuts the tissue while suturing the tissue. The advantage of this structure is that it is simple in structure and easy to operate. The disadvantage is that the tissue is cut at the same time as suturing, and the pulling of the tissue during cutting by the cutting knife will affect the suturing effect of the st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/072A61B17/3209
Inventor 胡峰林邹锋韩爱荣李会宾汤华振
Owner SHANDONG WEIRUI SURGICAL MEDICAL PROD
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