Surgical cutting device
First Claim
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1. A surgical instrument capable of being heated to a predetermined temperature within a predetermined temperature range, comprising:
- a blade body havinga steel substrate with a cutting edge anda copper composition having a yield strength of at least 25,000 p.s.i. laminated to said steel substrate, but not extending so as to cover the cutting edge of said steel substrate;
a hollow cutting instrument body which engages the blade body;
heater means passing through said hollow cutting instrument body and directly interfacing and secured at its proximal end to said blade body and at its distal end to said cutting instrument body; and
non-stick means coated on said cutting edge and at least a portion of the balance of said blade body.
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Abstract
The cutting instrument of this invention is made by threading a heater assembly through a hollow cutting instrument body. A blade having a shank and a blade body including a cutting edge is secured within the hollow cutting instrument body at its shank portion such that the blade body extends from the hollow cutting instrument body. The heating assembly is secured to the blade body and to the cutting instrument body. The blade body is coated with a non-stick means.
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Citations
7 Claims
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1. A surgical instrument capable of being heated to a predetermined temperature within a predetermined temperature range, comprising:
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a blade body having a steel substrate with a cutting edge and a copper composition having a yield strength of at least 25,000 p.s.i. laminated to said steel substrate, but not extending so as to cover the cutting edge of said steel substrate; a hollow cutting instrument body which engages the blade body; heater means passing through said hollow cutting instrument body and directly interfacing and secured at its proximal end to said blade body and at its distal end to said cutting instrument body; and non-stick means coated on said cutting edge and at least a portion of the balance of said blade body. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification