Polyamide suture having improved tensile strength
AssigneeEthicon, Inc.
InventorsJogendra Suryadevara, Irandokht Irene Nozad
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Abstract
The present invention provides a new polyamide suture and a process for manufacturing this suture. The suture is made by melt extruding, quenching and drawing a polyamide filament. The polyamide filament is then wound on racks and annealed at a temperature of from about 120.degree. C. to about 185.degree. C. for at least 30 minutes. The sutures produced by this process have improved knot strength, tensile strength and stability.
Claims8
An improved polyamide suture comprising a sterilized polyamide suture having a tensile strength of greater than 130 KPSI wherein the polyamide is selected from the group consisting of polyhexamethylene adipamide (nylon 66), polyhexamethylene sebacamide (nylon 610), polycapramide (nylon 6), polydodecanamide (nylon 12) and polyhexamethylene isophthalamide (nylon 61) and combinations of two or more thereof attached to a needle.
A non-irritating polyamide suture suitable for use in animals comprising a sterilized polyamide suture having a tensile strength of greater than 130 KPSI wherein the polyamide is selected from the group consisting of polyhexamethylene adipamide (nylon 66), polyhexamethylene sebacamide (nylon 610), polycapramide (nylon 6), polydodecanamide (nylon 12) and polyhexamethylene isophthalamide (nylon 61) and combinations of two or more thereof attached to a needle.
Dependencies are inferred from the claim text.