Combined chisel-guide surgical instrument

Details Combined chisel-guide surgical instrument Combined chisel-guide surgical instrument

1986-06-24

1987-10-06

Rosenbaum, C. Fred

Surgery

Truss

Perineal

128 92VT, A61F 504

Patent

active

046975861

ABSTRACT:
A combined chisel-guide surgical instrument for performing osteotomy and other procedures on the vertebra comprises: at least one chisel each including at least one front cutting edge for penetrating into the vertebra; a guide including a guide tip being locatable within the respective intervetebral space for accommodating and directing the motion of the chisel cutting edges into the vertebra; a handle being fixedly connected to the guide for directing and placing the guide tip into the intervertebral space; a front impact member being fixedly connected to the rear end of the chisel; a cylindrical member being fixedly connected to the front impact member; a rear impact member being fixedly connected to the cylindrical member; and an impact hammer being slidable along the cylindrical member and being impactable upon the front impact member to cause penetration of the chisel cutting edges into the vertebra and being impactable upon the rear impact member to cause extraction of the chisel cutting edges from the vertebra.

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patent: 4469109 (1984-09-01), Mehl
patent: 4580563 (1986-04-01), Gross

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