
US Patent No: 5,139,515
Number of patents in Portfolio can not be more than 2000
Ascending aortic prosthesis
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Aug 18, 1992
Issued date -
Aug 15, 1990
filing date -
07/567,830
serial no -
Expired
status
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Abstract
An ascending aortic prothesis has a root wall portion with annularly spaced bulges simulating the sinuses of Valsalva to provide a more natural functioning of the aortic valve following surgery to implant such prothesis in comparison to conventional aortic protheses which are of uniform tubular diameter.
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,350,492 Method for preparing tissue heart valve | 44 | 1981 | |