Biological patch and anastomosis device

Abstract

The invention relates to the technical field of medical instruments, in particular to a biological patch and an anastomosis device. The biological patch comprises a patch body, the patch body is provided with a groove, and the groove is used for being embedded with a first tissue contact surface on a nail bin of an anastomat or a second tissue contact surface on a nail anvil. The biological patch can be perfectly matched with the first tissue contact surface of the staple cartridge and the second tissue contact surface of the staple anvil in shape, the biological patch can be better attached to an anastomat through improvement of a physical structure, the friction force between the biological patch and the tissue contact surfaces is increased, sliding of the biological patch in the moving process of the anastomat is reduced, and the cutting force is reduced; the biological patch and the anastomat are better combined, the tissue reinforcing effect is improved, the puncture opening of the anastomosis nail is neat and flat and can be normally formed, the biological gasket well fills the gap between the anastomosis nail and tissue, bleeding and liquid leakage are reduced, the anastomosis success rate is increased, and complications are reduced. By adding the biological patch, nail forming failure caused by tissue fluid lubrication can be reduced.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a biological patch and an anastomosis device. Background technique [0002] At present, staplers are widely used in laparoscopic surgery to cut and anastomose tissues such as the stomach, intestines, and lungs. The unequal-height nail technology is widely used to reduce tissue damage due to excessive extrusion. The existing stapler reinforcement for anvil block and staple cartridge in the prior art-suture binding pre-loaded chemically synthesized polylactic acid (PGA) reinforcement gasket can reduce bleeding and leakage; it is used for anvil block Stapler reinforcement with staple cartridge, staple cartridge and staple holder assembly with fixation point, surgical support made of absorbable material; suture used to fix spacer to component fixation point, consists of three parts: Reinforcement Repair part (gasket), connecting thread (sewing and fixing gasket), protection ...

AI Technical Summary

Problems solved by technology

[0003] The invention provides a biological patch and an anastomotic device, which is used to solve the defect that the biological patch is more likely to slip and dislocate during the anastomosis process in the prior art, and to increase the friction between the biological patch and the tissue contact surface , to reduce the slippage of the biological patch during the movement of the stapler, reduce the cutting force, not affect the normal cutting and anastomosis, better combine the biological patch and the stapler, and improve the effect of tissue reinforcement

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