Tripod knife for venous access
First Claim
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1. A surgical device for slitting a human vessel having a centerline lengthwise comprising:
- a surgical cutting means having a cutting edge or surface, and two generally opposing guides oriented with relation to said cutting means such that the two opposing guides support and precisely orient the cutting edge or surface of the cutting means directly over the centerline of the vessel.
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Abstract
A surgical cutting device according to the invention which permits the precise slitting of a human vein in situ. The cutting device is supported and guided over the centerline of the vein to be slit by two generally opposing guides which serve to precisely orient the knife along the centerline of the vein. The cutting device can comprise a blade or a functionally equivalent cutting edge or surface and is useful to cut other human vessels such as arteries or ducts.
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Citations
14 Claims
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1. A surgical device for slitting a human vessel having a centerline lengthwise comprising:
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a surgical cutting means having a cutting edge or surface, and two generally opposing guides oriented with relation to said cutting means such that the two opposing guides support and precisely orient the cutting edge or surface of the cutting means directly over the centerline of the vessel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification