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Surgical sutures of unsymmetrically substituted 1,4-dioxane-2,5-diones

  • US 3,960,152 A
  • Filed: 03/14/1975
  • Issued: 06/01/1976
  • Est. Priority Date: 01/21/1974
  • Status: Expired due to Term
First Claim
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1. A method of closing a wound of living tissue which comprises:

  • sewing the edges of the wound with a surgical suture consisting of at least one filament of polymer containing more than 2% by weight of recurring units of the formula;

    ##EQU18## and the remaining units are ##EQU19## and ##EQU20## wherein R1 and R2 are not the same as R3 and R4, R1 has at least one carbon atom, and R1, R2, R3, R4, R5, R6, R7 and R8 are separately selected from the group consisting of hydrogen, and the radicals methyl, ethyl, propyl, isopropyl, butyl, isobutyl, cyclohexyl, and phenyl,embedding the suture in living tissue andleaving the suture in said tissue until said suture is absorbed by the tissue during the healing process.

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