A new, compound-curved needle for vascular surgery.
A new, compound-curved needle has been designed and developed for vascular surgery from a unique stainless steel alloy, American Society for Testing Materials (ASTM) 45500. This needle has two different radii of curvature and a relatively straight body followed by a short, curved tapered point. Despite its geometry, it exhibits a similar sharpness, as well as resistance to bending and breakage, as did a curved needle with a single radius of curvature manufactured from the same alloy. The design of this new needle enabled the surgeon to pass it through the vessel wall with greater accuracy to a controlled depth and length of bite than the curved cutting edge needle with a single radius of curvature.
Tribble
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CG
Department of Plastic Surgery, University of Virginia School of Medicine, Charlottesville 22908.
Moody
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FP
Girard
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Towler
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MA
McGregor
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Bellian
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KT
Edlich
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RF
D001696:Biomechanical Phenomena; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D006801:Humans; D008422:Materials Testing; D009339:Needles / Q000592:standards; D013193:Stainless Steel; D013536:Suture Techniques / Q000295:instrumentation*; D013718:Tensile Strength; D014656:Vascular Surgical Procedures / Q000295:instrumentation*
D013193:Stainless Steel