Neovascularization promoting membrane for bioimplants
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United States of America Patent
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Apr 5, 2005
Issued Date -
N/A
app pub date -
Feb 11, 2003
filing date -
Nov 17, 1999
priority date (Note) -
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Abstract
A method of producing a biocompatible microporous membrane comprising the steps of providing a biocompatible membrane and using an energy beam to form a set of pores having a minor axis of less than 15 .mu.m through the biocompatible membrane. One embodiment includes the steps of producing a first layer of material, defining a first set of pores; producing a second layer of material, defining a second set of pores and wherein the second set of pores is defined so as to cooperatively engage the first set of pores; and aligning and joining the first layer of material to the second layer of material to form a laminated membrane, having through-passageways formed by the first set of pores at least partially aligned with the second set of pores.
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