Surgery – Truss – Pad
Patent
1975-03-14
1980-06-24
Michell, Robert W.
Surgery
Truss
Pad
30140, 219227, A61B 1736
Patent
active
042090172
ABSTRACT:
The cutting edge of a scalpel blade is heated to an elevated preselected constant operating temperature for cutting tissue with simultaneous hemostasis by radiant heating of the blade in the region along the cutting edge. Radiant energy is contained within the blade by a reflective coating over the transparent or translucent blade material. Heating along the cutting edge is provided by the disposition of a radiation-absorptive material beneath the reflective coating in the region along the cutting edge. Selective heating of regions of the cutting edge that are locally cooled by contact with tissues during surgical cutting is provided for by fabricating the radiation-absorptive element of the blade of a thermochromic material that exhibits a substantial increase in absorption coefficient for a temperature decrement within the operating temperature range.
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Michell Robert W.
Thaler Michael H.
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