Force applicator including indicator

Details Force applicator including indicator Force applicator including indicator

1976-04-20

1978-01-03

Pace, Channing L.

Surgery

Truss

Pad

73 88A, 356 33, A61B 1700, G01B 530, G01B 1118

Patent

active

040660826

ABSTRACT:
A device for indicating the force applied by a tool comprises a bar arranged so as to be deflected in accordance with the force applied, a pair of spaced stops carried by the bar, a frame enclosing both stops with one end of the frame engaging one side of one stop and the opposite end of the frame extending past the other stop to define a space therebetween, and a load sensing member disposed in the latter space, whereby the deflection of the bar is converted by the two stops and the frame to a compressive force on the load-sensing member. The described load-sensing member is a photoelastic member and the described device in which it is used is a surgical spreader hand tool wherein the photoelastic member indicates to the surgeon the force applied.

REFERENCES:
patent: 3034344 (1962-05-01), Zandman et al.
patent: 3477284 (1969-11-01), Schwallie et al.
patent: 3651584 (1972-03-01), Perry
patent: 3785381 (1974-01-01), Lower et al.

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