Puncture closure
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United States of America Patent
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-
Mar 14, 2000
Issued Date -
N/A
app pub date -
May 17, 1999
filing date -
Nov 16, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a puncture seal for sealing a blood vessel having a puncture opening in a body of a human being or an animal. The seal comprises a pressure chamber which can be attached to the body in the area of the puncture opening and subjected to an overpressure, wherein the pressure chamber has a supporting wall in an area opposite to the body. In order to create a puncture seal, in which the pressure chamber can be reliably sealed once the hypodermic needle has been removed, a sealing element made of a material with a certain elastic return force, which is at least 1 mm thick is provided and placed in the area of the support wall to be punctured by the hypodermic needle.
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