Scalpel and technique for using scalpel

Details Scalpel and technique for using scalpel Scalpel and technique for using scalpel

1993-02-09

1994-10-04

Pellegrino, Stephen C.

Surgery

Instruments

Cutting, puncturing or piercing

606166, 30346, A61B 1732

Patent

active

053522338

ABSTRACT:
To control the angle of an incision by a surgical scalpel during microsurgery, a scalpel has a double-beveled thin blade with reflective and light-absorbing matted portions on its surface whereby glare from the reflective portions of the blade indicates the angle of an incision. The matted portions are spaced longitudinally along the blade of the scalpel against a reflective background. A source of light in the microscope is reflected into the eye piece of the microscope from the blade so that the pattern of reflective and matted portions indicates the angle of the blade with respect to the light source.

REFERENCES:
patent: 3840015 (1974-10-01), Gain
patent: 5201747 (1993-04-01), Mastel
patent: 5217476 (1993-06-01), Wishinsky

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