1
Edward Emil Schmitt, Rocco Albert Polistina: Cylindrical prosthetic devices of polyglycolic acid. American Cyanamid Company Stamford CT, Samuel Branch Walker, November 16, 1971: US3620218 (148 worldwide citation)

Polyhydroxyacetic ester, also called polyglycolic acid (PGA), has surgically useful mechanical properties as a solid prosthesis, such as reinforcing pins, screws, plates, or cylinders. On implantation, in living mammalian tissue, the polyglycolic acid is absorbed, and replaced by living tissue.


2
Edward Emil Schmitt, Rocco Albert Polistina: Controlled release of medicaments using polymers from glycolic acid. American Cyanamid Company, Samuel Branch Walker, November 16, 1976: US03991766 (130 worldwide citation)

Polyhydroxyacetic ester, also called polyglycolic acid (PGA), has surgically useful mechanical properties. On implantation, in living mammalian tissue, the polyglycolic acid is absorbed, and replaced by living tissue. Sutures, clips and storage pellets having medicaments incorporated therein can be ...