Surgery – Truss – Pad
Patent
1977-05-06
1979-08-28
Michell, Robert W.
Surgery
Truss
Pad
30191, 30252, 81 43, 128321, 128340, 128354, A61B 1732, A61B 1728, A61B 1706
Patent
active
041657454
ABSTRACT:
A surgical manipulator useful to apply compressively opposed forces and enable the surgeon to rotate the manipulator and the article it is applied to, with minimal lateral wobble and tremor.
The manipulator comprises a pair of prongs, each of which supports a jaw with an operative element such as a needle holder, tissue pickup, nipper or scissors. The prongs are resiliently biased by bias means away from one another in a plane of flexure to spread the operative elements apart, and the prongs can be closed by force exerted on manipulation surfaces carried by the prongs. A spindle includes a knuckle rest which is closer to the joinder of the prongs than the manipulation surfaces. The knuckle rest bears against a knuckle (defined to include the muscle pad between the thumb and the index finger) when the device is held by the surgeon with his thumb and index finger on respective manipulation surfaces. The manipulation surfaces, when the jaws are brought together, form a substantially regular geometric surface circumferentially around a central axis which is no more out of round than a hexagon, and which the surgeon can rotate by relative movement of the thumb and index finger. The knuckle rest surface is unsplit, and is also a substantially regular geometric surface circumferential around the axis no more out of round than a hexagon.
REFERENCES:
patent: 966325 (1910-08-01), Gilbert
patent: 2749615 (1956-06-01), Griffon
patent: 3367336 (1968-02-01), Eizenberg
patent: 3446211 (1969-05-01), Markham
patent: 3805792 (1974-04-01), Cogley
patent: 4020846 (1977-05-01), Stokes
Catalogue Illustration of Storz Needle Holder, E-3790, E-3972, and E-3793.
Michell Robert W.
Mon Donald D.
Thaler Michael H.
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