Surgery – Truss – Pad
Patent
1979-04-26
1981-11-10
Michell, Robert W.
Surgery
Truss
Pad
A61B 1700
Patent
active
042992257
ABSTRACT:
The invention relates to improvements in surgical instruments and is particularly concerned with the novel construction of an instrument for use in the dislodging and extraction of gall stones from the common bile duct irrespective of their size or degree of impactness.
REFERENCES:
patent: 3108593 (1963-10-01), Glassman
patent: 3108594 (1963-10-01), Glassman
patent: 3137298 (1964-06-01), Glassman
patent: 4046150 (1977-09-01), Schwartz et al.
Michell Robert W.
Thaler Michael H.
The Southeastern Research Foundation
Zwickel Elmer L.
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