Pain threshold gage and softness tester

Details Pain threshold gage and softness tester Pain threshold gage and softness tester

1983-04-18

1985-03-19

Coven, Edward M.

Surgery

Truss

Pad

128645, 73 81, A61B 1000

Patent

active

045052786

ABSTRACT:
A device for determining a patient's threshold of pain having a gas-tight member, such as a cylinder, for confining a fixed amount of gas and a two-ended member, such as a rod. A first end of the rod is pressed against the patient's body to apply gradually increasing pressure, and a second end decreases the volume of the fixed amount of gas. Indicia are provided for indicating how much the volume of gas decreases. The device may also be modified to test materials for softness or firmness.

REFERENCES:
patent: 2119699 (1938-06-01), Bloom
patent: 2421449 (1947-06-01), Zuber
patent: 2453841 (1948-11-01), Gluzek
patent: 2822544 (1950-09-01), Seyboth
patent: 3628526 (1971-12-01), Bigliano
patent: 4159640 (1979-07-01), Leveque et al.
patent: 4365638 (1982-12-01), Leveque et al.

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