Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis
Patent
1988-05-23
1989-10-03
Cannon, Alan W.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
623 1, 623 66, 427 2, A61F 202, A61F 206
Patent
active
048713660
ABSTRACT:
A soft tissue implant comprises a flexible main body portion, having tissue-facing surfaces and a thin layer of pure titanium covering the tissue-facing surfaces. A method of promoting tissue adhesion of a soft tissue host to the tissue-facing surfaces of a soft tissue implant comprising a strip of polyethylene terephthalate velour comprises the steps of cleaning the strip with a low-residue detergent and rinsing same with fresh distilled water; refluxing the strip in distilled water for one hour at a temperature of less than 30.degree. C.; drying the strip in a room-temperature desicator for several days; sterilizing the strip and packaging same; degasing the strip and storing same in a dust-free environment; removing the strip from the packaging and mounting the strip in the vacuum evaporator at an approximate angle of incidence of 90.degree. from a pure titanium metal evaporant; evacuating the vacuum evaporator to a vacuum of about 2.times.10.sup.-5 Torr; evaporating the titanium by direct resistance heating same; coating the strip with a layer of pure titanium on the order of one micron thick; and resterilizing and implanting the titanium-coated strip into the tissue host.
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Cooke Francis W.
Von Recum Andreas F.
Cannon Alan W.
Clemson University
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