𝔖 Bobbio Scriptorium
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Biomechanical performance of new vascular sutures and needles for use in polytetrafluoroethylene grafts

✍ Scribed by Michael A. Towler; Curtis G. Tribble; Lucas J. Pavlovich; James T. Milam; Raymond F. Morgan; Dr. Richard F. Edlich

Publisher
Wiley (John Wiley & Sons)
Year
1993
Tongue
English
Weight
792 KB
Volume
4
Category
Article
ISSN
1045-4861

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✦ Synopsis

Two new cardiovascular monofilament sutures attached to taper point needles have been developed for use in expanded polytetrafluoroethylene (PTFE) grafts. One monofilament suture made of PTFE has a microporous structure that allows it to be channel swaged to a needle that closely approximates its suture diameter. The other suture is a monofilament polypropylene suture that has been extruded to produce a tapered swage end, which was significantly smaller than that of the remainder of the suture in order to be channel swaged to smaller diameter needles. On the basis of comprehensive biomechanical performances, the performance of the new needle suture products with needle/suture diameter ratios approaching 1 : 1 was superior to needle suture products with 2 : 1 needle/suture diameter ratios for use in PTFE vascular grafts, regardless of the suture material.

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