Invention Grant
US08414642B2 Biodegradable stent of a polyorthoester polymer or a polyanhydride polymer
失效
聚原酸酯聚合物或聚酐聚合物的生物可降解支架
- Patent Title: Biodegradable stent of a polyorthoester polymer or a polyanhydride polymer
- Patent Title (中): 聚原酸酯聚合物或聚酐聚合物的生物可降解支架
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Application No.: US12325979Application Date: 2008-12-01
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Publication No.: US08414642B2Publication Date: 2013-04-09
- Inventor: Debashis Dutta
- Applicant: Debashis Dutta
- Applicant Address: US CA Santa Clara
- Assignee: Advanced Cardiovascular Systems, Inc.
- Current Assignee: Advanced Cardiovascular Systems, Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Squire Sanders (US) LLP
- Main IPC: A61F2/06
- IPC: A61F2/06
Abstract:
A stent is fabricated utilizing a polymer that is selected for its tendency to degrade from the surface inwardly rather than undergo bulk erosion so as to substantially reduce the risk of large particles becoming detached and being swept downstream. Such polymer is hydrophobic yet has water-labile linkages interconnecting the monomers. Ester or imide bonds are incorporated in the polymer to render the surface degrading materials suitable for use in stent applications. The stent may be coated with such polymer or may be wholly formed therefrom.
Public/Granted literature
- US20090082853A1 BIODEGRADABLE DRUG DELIVERY MATERIAL FOR STENT Public/Granted day:2009-03-26
Information query
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