Apparatus for enhanced visual venous examination

Details Apparatus for enhanced visual venous examination Apparatus for enhanced visual venous examination

1997-11-14

1999-09-07

Manuel, George

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600476, 250226, 356 51, A61B 505, G01J 350

Patent

active

059479060

ABSTRACT:
An apparatus for aiding in performing operations requiring location of blood vessels such as intravenous injections or drawing blood in which a charge coupled device camera is focused on an area of the body such as the arm that is illuminated by a light source which emits light that is partly in the infrared range and partly in the ultraviolet range but from which light light having a wavelength in the visible range has been substantially eliminated. The useful range of wavelengths may be provided by any one of several methods including having an infrared source and an ultra violet source or an incandescent source emitting wavelengths extending from the infrared to the ultra violet and having a filter for removing the range of visible light.

REFERENCES:
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patent: 4817622 (1989-04-01), Pennypacker
patent: 4898175 (1990-02-01), Noguchi
patent: 4911544 (1990-03-01), Walsh
patent: 4945409 (1990-07-01), Nakamura
patent: 5074306 (1991-12-01), Green et al.
patent: 5519208 (1996-05-01), Esparza
patent: 5608210 (1997-03-01), Esparza

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