Abstract: A method of treating a polymer involves contacting the polymer with a supercritical fluid under conditions of temperature and pressure to incorporate the supercritical fluid in the polymer and thereby effectuate an increase in plasticity and/or elasticity of the polymer. In a particular embodiment, the treated polymer is a biocompatible polymer which is fabricated into a medical device or part thereof.
Type:
Grant
Filed:
June 7, 1995
Date of Patent:
September 23, 1997
Assignee:
United States Surgical Corporation
Inventors:
Mark S. Roby, Nagabhushanam Totakura, Christopher T. Christoforou
Abstract: The present invention provides delipidating compositions containing essentially oil-free "empty" cyclodextrin compositions. It also provides compositions for use in removal of cerumen from the ear. The compositions containing "empty" cyclodextrin advantageously avoid use of harsh, drying agents or injurious mechanical methods.