Apparatus and method for determining tissue characteristics

Details Apparatus and method for determining tissue characteristics Apparatus and method for determining tissue characteristics

2007-11-27

2007-11-27

Stafira, Michael (Department: 2886)

Optics: measuring and testing

By particle light scattering

Reexamination Certificate

active

11351054

ABSTRACT:
An apparatus and method embodying the invention include utilizing a device with a limited number of interrogation devices to accomplish a large number of measurements on a target tissue (50). An instrument embodying the invention includes a plurality of detection devices (54) that are arranged in a predetermined pattern on a tissue contacting face of the instrument. The face of the instrument is located adjacent the target tissue (50), and a plurality of tissue characteristic measurement are simultaneously conducted. The detection devices (54) are moved to a new position, preferably without moving the tissue contacting face, and a second plurality of tissue characteristic measurements are simultaneously conducted. By conducting a series of measurements cycles in this manner, the ultimate resolution of the device is increased, while still obtaining a given resolution, which reduces potential cross-talk errors. Further, a plurality of tissue characteristics are simultaneously obtained from locations spaced across the target tissue (50) during each measurement cycle.

REFERENCES:
patent: 4213462 (1980-07-01), Sato
patent: 5192278 (1993-03-01), Hayes et al.
patent: 5797836 (1998-08-01), Lucey et al.
patent: 5916210 (1999-06-01), Winston
patent: 6590651 (2003-07-01), Bambot et al.

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