Surgical suture
AssigneeGunze Limited
InventorsKenji Tomihata, Masakazu Suzuki, Ikuo Sasaki
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Abstract
The present invention relates to a coating material for surgical sutures which comprises as essential ingredients a copolymer having repeating units of lactic acid and ε-caprolacton and calcium stearate; and a surgical suture comprising a lactic acid/ε-caprolacton copoymer in which a lactide/ε-caprolacton ratio is (70-85 mol %)/(30-15 mol %) and the number of ε-caprolacton repeating unit is 2.5 or greater on the average.
Claims13
A coating material adapted to be applied onto a surface of a suture, comprising a copolymer of ε-caprolacton and lactide, and calcium stearate, wherein a percentage composition of said copolymer of ε-caprolacton and lactide is 88-97:12-3% in molar ratio and a blending ratio of said calcium stearate is 0.01 to 1.5 wt. %.
A coating material adapted to be applied onto a surface of a suture, comprising a copolymer of ε-caprolacton and lactide, and calcium stearate, wherein a percentage composition of said copolymer of ε-caprolacton and lactide is 70-80:30-20% in molar ratio and a blending ratio of said calcium stearate is 0.1 to 2.5 wt. %.
A coating material adapted to be applied onto a surface of a suture, comprising a copolymer of ε-caprolacton and lactide, and calcium stearate, wherein a percentage composition of said copolymer of ε-caprolacton and lactide is 45-55:55-45% in molar ratio and a blending ratio of said calcium stearate is 1.0-3.0 wt. %.
A coating material adapted to be applied onto a surface of a suture, comprising a homopolymer of ε-caprolacton and calcium stearate, wherein a blending ratio of said calcium stearate is 0.01 to 1.0 wt. %.
A surgical suture comprising a copolymer of lactic acid and ε-caprolacton in which lactide:
- ε-caprolacton is 70-85:30-15 mole % and the average number of continuous ε-caprolacton repeating unit is 2.5 or more.
Dependencies are inferred from the claim text.