Ion treated hydrogel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 19, 2008
Grant Date -
Oct 28, 2004
app pub date -
May 17, 2004
filing date -
Oct 30, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A high strength hydrogel having a constant swelling pressure upon implantation and thereafter is formed by preparing a hydrogel solution and then injecting the solution into a mold and cause to gel. The molded gel is then washed in a saline solution from about one day to twelve weeks, after which the gel is irradiated for sterilization purposes, dehydrated and packaged. The pre-treatment with the use of a physiologic solution results in an implant which exhibits a constant swelling pressure profile after implantation.
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