Surgical sutures

• US 3,297,033 A
• Filed: 10/31/1963
• Issued: 01/10/1967
• Est. Priority Date: 10/31/1963
• Status: Expired due to Term

• Current Assignee: Albert Polistina Rocco, Emil Schmitt Edward
• Original Assignee: Albert Polistina Rocco, Emil Schmitt Edward
• Inventors: EMIL SCHMITT EDWARD, ALBERT POLISTINA ROCCO
• Application Number:
  US04/320,543
• Time in Patent Office: 1,167 Days
• US Class Current: 606/230
• CPC Class Codes: A61B 17/06166 Sutures suture materials A61L17/00; manufacture of artificial threads D01D; treatment of threads D06M
• CPC Class Codes: A61B 2017/00004 (bio)absorbable, (bio)resorbable, resorptive for implantable prostheses A61F2210/0004
• CPC Class Codes: A61F 2/06 Blood vessels
• CPC Class Codes: A61L 17/12 Homopolymers or copolymers of glycolic acid or lactic acid
• CPC Class Codes: A61L 17/14 Post-treatment to improve physical properties
• CPC Class Codes: A61L 31/06 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L31/041 takes precedence
• CPC Class Codes: C08G 63/08 Lactones or lactides
• CPC Class Codes: C08L 67/04 Polyesters derived from hydroxycarboxylic acids, e.g. lactones C08L67/06 takes precedence
• CPC Class Codes: D01F 6/625 derived from hydroxy-carboxylic acids, e.g. lactones

Claims

1. IN A SURGICAL NEEDLE AND SUTURE COMBINATION THE IMPROVEMENT COMPRISING A SUTURE OF AT LEAST ONE FILAMENT OF STRETCHED AND ORIENTED NORMALLY SOLID POLYHYDROXYACETIC ESTER, SAID NEEDLE AND SUTURE BEING STERILE, AND THE POLYHYDROXYACETIC ESTER HAVING SUFFICIENT HEAT RESISTANCE TO WITHSTAND AUTOCLAVING, GOOD KNOTABILITY, GOOD KNOT STRENGTH, AND GOOD HANDLEABILITY, THE TOTAL DENIER OF THE SUTURE BEING FROM 1 TO 4,000.