Ethylene-propylene coatings for sutures

Details Ethylene-propylene coatings for sutures Ethylene-propylene coatings for sutures

1998-09-01

2000-07-04

Buiz, Michael

Surgery

Instruments

Suture or ligature

606228, A61B 1704

Patent

active

060832436

ABSTRACT:
A suture having a coating thereon of an ethylene-propylene copolymer, and a method of coating a suture which comprises the steps of coating the surface of the suture with an effective amount of a solution of ethylene-propylene copolymer in an organic solvent, and then removing the solvent from the coated suture. The copolymer preferably has an average molecular weight of from about 25,000 to about 500,000 g/mole, and a mole percentage of about 55 to 70 percent ethylene and about 30 to 45 percent propylene. The coating provides an alternative to silicone, which has previously been used as a coating for sutures, and exhibits excellent performance properties, such as tactile smoothness, pliability, and knot tiedown performance.

REFERENCES:
patent: 4543286 (1985-09-01), Harpell et al.
patent: 4563392 (1986-01-01), Harpell et al.
patent: 5718251 (1998-02-01), Gray et al.

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