Degradable stent

A closed loop and combined unit technology, applied in the field of vascular stents, can solve the problems of poor supporting performance of vascular stents, threats to patient health, deformation, etc., achieve good flexibility and deformation adaptability, increase surface coverage, and support performance. Effect
CN113648113APending Publication Date: 2021-11-16南京友德邦医疗科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
南京友德邦医疗科技有限公司
Publication Date
2021-11-16

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Abstract

The invention discloses a degradable stent which comprises a plurality of closed rings arranged at intervals in the axial direction. The closed ring can be radially contracted and contracted; every two adjacent closed rings are connected through a plurality of bridge rods which are evenly arranged in the circumferential direction, and a plurality of through holes are evenly formed in the bridge rods in the axial direction. The closed ring and the bridge rod are made of polylactic acid, polylactic acid-glycolic acid copolymer, zinc, magnesium, iron, zinc alloy, magnesium alloy or degradable polymer. The degradable stent disclosed by the invention is good in supporting performance.
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Description

technical field

[0001] The invention relates to the technical field of vascular stents, in particular to a degradable stent. Background technique

[0002] Vascular stent refers to the placement of internal stents in the diseased segment on the basis of lumen balloon expansion to support the stenotic and occluded segment of the vessel, reduce elastic recoil and reshaping of the vessel, and maintain smooth blood flow in the lumen. Some internal stents can also prevent restenosis. Mainly divided into coronary stents, cerebrovascular stents, renal artery stents, aortic stents, etc.

[0003] The support performance of existing vascular stents is poor, and defects such as collapse and deformation are prone to occur under the action of external forces, for example, during the process of crimping and releasing, which poses a potential threat to the health of patients. Contents of the invention

[0004] The purpose of the present invention is to provide a degradable stent to solv...

Claims

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