Drug-loading degradable magnetic anastomat
A magnetic stapler and magnetic anastomosis technology, applied in the field of anastomosis structure, can solve the problems of too simple structure, easy infection, limitation, etc., and achieve the effects of promoting wound healing, reducing infection risk, and accelerating wound healing.
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[0028] A drug-loaded degradable magnetic squeeze anastomat, involving magnet materials, degradable materials (such as PLGA, cellulose (BC), collagen-PGA, and hydroxyapatite-chitin, etc.) and drugs that promote the healing of anastomosis (including growth factors, vitamin C, prophylactic antibiotics, etc.) and other three materials, the structural unit of the stapler is a ring body divided into inner and outer layers, and several magnets are placed between the inner ring and the outer ring.
[0029] The inner ring is made of degradable materials. Its main function is to support the magnets in the early stage of anastomotic reconstruction and provide a suitable pressing force for the anastomosis. In the later stage of anastomotic reconstruction, it can be degraded into magnets and discharged to save space. Biodegradable materials can use biomaterials with certain strength and fast degradation speed according to performance requirements.
[0030] The outer ring is a mixture of de...
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