Invention Grant
- Patent Title: Method of treatment with a bioabsorbable stent with time dependent structure and properties and regio-selective degradation
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Application No.: US14656553Application Date: 2015-03-12
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Publication No.: US09289318B2Publication Date: 2016-03-22
- Inventor: Mikael Trollsas , Dariush Davalian , Michael Huy Ngo , Hao-Ming Hsiao , Boris Anukhin , Syed Hossainy , David Gale
- Applicant: Abbott Cardiovascular Systems Inc.
- Applicant Address: US CA Santa Clara
- Assignee: Abbott Cardiovascular Systems Inc.
- Current Assignee: Abbott Cardiovascular Systems Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Squire Patton Boggs (US) LLP
- Main IPC: A61F2/06
- IPC: A61F2/06 ; A61F2/89 ; A61F2/91 ; A61F2/915 ; A61L31/06 ; A61L31/10 ; A61L31/14 ; A61F2/82

Abstract:
A bioabsorbable polymeric stent with time dependent structure and properties and methods of treating a diseased blood vessel with the bioabsorable polymeric stent are disclosed. The structure and properties of the stent change with time and allow the vessel to be restored to a natural unstented state. The bioabsorbable stent loses mechanical integrity in a controlled manner due to modification of selected structural elements.
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