Barb configurations for barbed sutures

Details Barb configurations for barbed sutures Barb configurations for barbed sutures

A - Human Necessities

61

B

A61B 17/08 (2006.01) A61B 17/04 (2006.01) A61B 17/06 (2006.01)

Patent

CA 2500394

A barbed suture (1) for connecting tissue, and a combination surgical needle with a barbed suture (1). The suture includes an elongated body (2) and a plurality of barbs (7, 9) projecting from the body. Each barb (7, 9) causes the suture (1) to resist movement in an opposite direction from which the barb (7, 9) faces. The disposition of the barbs (7, 9) on the body (2) may be staggered, twist cut multiple spiral, overlapping, or random. Also, the configuration of the barbs (7, 9) may be a certain spirality angle a, barb cut angle, barb cut depth, barb cut length, barb cut distance, corrugated barb underside, arcuate barb base, or varying barb size.

L'invention concerne un fil de suture à pointes servant à réunir des tissus, et une aiguille chirurgicale combinée à un fil de suture à pointes. Le fil de suture comprend un corps allongé et une pluralité de pointes saillant du corps. Chaque pointe permet au fil de suture de résister à tout mouvement en direction opposée aux pointes. La disposition des pointes sur le corps peut être décalée, à spirales multiples coupées, à chevauchement ou aléatoire. La configuration des pointes peut présenter un certain angle en spirale .alpha., un angle de coupe de pointe .theta., une profondeur de coupe de pointe, une longueur de coupe de pointe, une distance de coupe de pointe, une face inférieure de pointe, une base de pointe arquée, ou une dimension de pointe variable.

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