IMPLANTABLE STRUCTURE AND METHOD OF MAKING SAME

摘要

1494862 Surgical implants VITEK INC 11 July 1975 [17 July 1974] 29197/75 Heading A5R A substitute tendon member 10a is formed by joining a sheet of fabric to a sheet of biocompatible film, rolling the composite sheet to form an elongate element which is then subjected to heat to bond the components together, short sections 16a adjacent each end having transverse strands of the fabric removed and being left clear of the film, with tissue-ingrowth material 24a being attached at each end of member 10a whereby in use the end of a tendon is passed through the strands at section 16a and sutured to an adjacent portion of the tendon to form a loop enclosing the tissue-ingrowth material 24a. The sutures may be provided by threads at each end of member 10a, formed by longitudinal fabric strands. An alternative tendon member Fig. 2 (not shown), has short sections adjacent each end thereof being left clear of the film and a tissue - ingrowth material held centrally of the member by the fabric. A substitute ligament member, Figs. 9, 10 (not shown) has the cross-sectional shape of a segment of a circle and has substantially the entire outside surface coated with tissue-ingrowth material. An alternative ligament member, Fig. 14 (not shown) has sections of the fabric left free of film for flexibility. A patch for tissue, Figs. 17, 18 (not shown) comprises a sheet of fabric bonded to a sheet of film and has tissueingrowth material on one or both sides of the composite sheet. Holes may be formed in any of the tension members for sutures. A variety of materials for the tissue-ingrowth material, fabric and film are listed.