Diffuse reflectance monitoring apparatus

Details Diffuse reflectance monitoring apparatus Diffuse reflectance monitoring apparatus

1995-08-09

1997-06-10

Sykes, Angela D.

Surgery

Truss

Pad

128664, 356446, 2503418, A61B 500, G01N 2147

Patent

active

056366337

ABSTRACT:
An improved apparatus for diffuse reflectance spectroscopy having a specular control device. The specular control device has at least a first surface divided into an even-numbered plurality of reflecting sections and open or transmitting sections. The number of reflecting sections is equal to the number of open sections. Each reflecting section is situated between a pair of open sections and opposite to another reflecting section. Similarly, each open section is situated between a pair of reflecting sections and is opposite to another open section. In one preferred embodiment, the total surface area of the reflecting sections is equal to the total surface area of the open sections. In another embodiment, the total surface area of the reflecting sections is unequal to the total surface area of the open sections. In another preferred embodiment, opaque spacers are provided on the borders between adjacent sections to improve the detecting definition between source and reflected beams, and, to selectively provide for decreasing surface area of one or more selected sections.

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