1
Keith D Alessio, Donald S Kaplan, Ross R Muth, John Kennedy: Bioabsorbable medical implants. United States Surgical Corporation, October 7, 1997: US05674286 (233 worldwide citation)

A completely bioabsorbable reinforced composite material for use in medical implants and a method for making same. The composite material comprises a hybrid yarn of intimately co-mingled reinforcement fibers of a crystalline polymer and matrix fibers of a polymer having a glass transition temperatur ...


2
Ross R Muth, Nagabhushanam Totakura, Keith D Alessio: Methods of forming bioabsorbable objects from polyvinyl alcohol. United States Surgical Corporation, October 25, 1994: US05358677 (6 worldwide citation)

Method for forming polyvinyl alcohol (PVA) into surgical elements include forming a mixture of PVA and water into a film by vacuum pressing with a first force, heating, applying a second force two to two hundred times the firs force, drying the film to remove water to a content of less than about 10 ...


3
David Sarver, Keith D Alessio, Raymond A D Alessio: Process for making polymeric articles. United States Surgical Corporation, Biomet, December 30, 1997: US05702656 (5 worldwide citation)

Processes for fabricating substantially void-free polymeric articles are provided. In one embodiment, a polymer melt is formed followed by extrusion through a die to form a polymeric extrudate. The polymeric extrudate is directly discharged vertically upward into an open-ended mold the open-ended mo ...