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Polymers for implantable devices exhibiting shape-memory effects
US9066992B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9066992-B2 |
| Application number | US-201313903773-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 28, 2013 |
| Priority date | Aug 3, 2007 |
| Publication date | Jun 30, 2015 |
| Grant date | Jun 30, 2015 |
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Abstract
Official abstract text for this publication.
The present invention is directed to polymeric compositions comprising a biodegradable copolymer that possesses shape-memory properties and implantable devices (e.g., drug-delivery stents) formed of materials (e.g., a coating) containing such compositions. The polymeric compositions can also contain at least one non-fouling moiety, at least additional biocompatible polymer, at least one biobeneficial material, at least one bioactive agent, or a combination thereof. The polymeric compositions are formulated to possess good mechanical, physical and biological properties. Moreover, implantable devices formed of materials comprising such compositions can be delivered to the treatment site in a conveniently compressed size and then can expand to dimensions appropriate for their medical functions.
First claim
Opening claim text (preview).
What is claimed is: 1. A composition comprising a biodegradable copolymer comprising at least two segments A and B, wherein: the A segment has a T g or T m in the range from about 50° C. to about 300° C. and is made from at least one diisocyanate and at least one diol, diamine or dithiol chain extender; the B segment has a T g or T m in the range from about 30° C. to about 100° C. and is derived from a polymer containing at least one hydroxyl, amino or thiol end group; the…
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- A61L27/18Primary
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US9066992B2 cover?
- The present invention is directed to polymeric compositions comprising a biodegradable copolymer that possesses shape-memory properties and implantable devices (e.g., drug-delivery stents) formed of materials (e.g., a coating) containing such compositions. The polymeric compositions can also contain at least one non-fouling moiety, at least additional biocompatible polymer, at least one biobene…
- Who is the assignee on this patent?
- Abbott Cardiovascular Systems
- What technology area does this patent fall under?
- Primary CPC classification A61L27/18. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jun 30 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).