X-ray or gamma ray systems or devices – Auxiliary data acquisition or recording – Distance or dimension marker
Patent
1989-05-01
1990-04-17
Church, Craig E.
X-ray or gamma ray systems or devices
Auxiliary data acquisition or recording
Distance or dimension marker
378162, H05G 128
Patent
active
049187155
ABSTRACT:
A device for producing plural lines on a film bearing a radiographic image of a portion of the body of a living being to facilitate the location of a part of the being's body within that image. The device comprises a flexible substrate having lines of a radio-opaque material disposed thereon and is made by the application a slurry of a plastisol material and lead particles in the line pattern on the substrate and then drying the slurry. The device is used by applying it over a selected portion of the body of a being, disposing a radiosensitive film under the selected portion of the being's body, exposing the film to radiation, and thereafter developing the film. The resulting radiographic image of the selected portion of the being's body thus has indicator lines crossing it which facilitate the demarcation of a desired portion of that image. In one preferred embodiment the substrate of the device includes plural openings in the lines so that a marking instrument, e.g., a marking pen, can be inserted through at least one selected opening while the device is on the being to mark the body of the being at the selected location.
REFERENCES:
patent: 3547121 (1968-03-01), Cherry
patent: 3770956 (1973-11-01), Johnson
patent: 4181859 (1980-01-01), Vitalini
patent: 4187423 (1978-02-01), Ehrhardt
patent: 4691333 (1987-09-01), Gabriele
Krupnick Steven B.
McLaughlin Thomas J.
Church Craig E.
Webb Research II Corporation
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