Sensor positioning aid and method

Details Sensor positioning aid and method Sensor positioning aid and method

1992-07-09

1994-12-13

Cohen, Lee S.

Surgery

Truss

Pad

128653001, 324248, A61B 500, A61B 505, G01R 3302

Patent

active

053721322

ABSTRACT:
A sensor positioning aid includes a concavely curved transparent dish having a shape congruent with a lower surface of a sensor, and locating means on the dish for establishing external reference positions in relation to the dish. The locating means preferably includes a rim around the dish and markings on the dish. The positioning aid is placed at a selected location on the head, and the sensor is aligned to the head by aligning it to the rim of the positioning aid. The positioning aid is removed, and the head translated in relation to the sensor to place it closely adjacent to the sensor, without reorienting the sensor. The placement aid is removed and measurements are taken using the sensor. If necessary, the sensor is thereafter reoriented by reference to the markings.

REFERENCES:
patent: D88727 (1932-12-01), Metzner
patent: 2402194 (1946-06-01), Wolfe
patent: 4793355 (1988-12-01), Crum et al.
patent: 4899753 (1990-02-01), Inoue et al.
patent: 5026287 (1991-06-01), Yamada
patent: 5070861 (1991-12-01), Einars et al.
patent: 5094243 (1992-03-01), Puy et al.

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