Self-attaching probe for use in photoelectric monitoring of body extremities

- Hewlett Packard
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Description

FIG. 1 is a top, right, front perspective view of a plethysmograph, showing my new design, the bottom left view being a mirror image of that shown;

FIG. 2 is a top view thereof; and

FIG. 3 is a front view thereof.

Referenced Cited
U.S. Patent Documents
3810460 May 1974 Van Nie
3815583 June 1974 Scheidt
3920004 November 1975 Nakayama
Patent History
Patent number: D250275
Type: Grant
Filed: Jul 19, 1976
Date of Patent: Nov 14, 1978
Assignee: Hewlett-Packard Company (Palo Alto, CA)
Inventor: Albert K. Bond (Burlington, MA)
Primary Examiner: Bernard Ansher
Attorney: David A. Boone
Application Number: 5/706,876
Classifications
Current U.S. Class: D24/29; 128/205E; 128/2L; 128/205P; D24/17
International Classification: D2402;