Stephen Daniel Walker
Engineers at Mineral Pl, Englewood, CO
License number
Colorado 13555
Issued Date
Aug 28, 1975
Renew Date
Jun 2, 1984
Expiration Date
Jun 2, 1984
Type
Professional Engineer
Address
Address
6175 E Mineral Pl, Englewood, CO 80112
Personal information
See more information about Stephen Daniel Walker at radaris.comName
Address
Phone
5000 Butte St LOT 190, Boulder, CO 80301
5044 Buckingham Rd, Boulder, CO 80301
4501 Robb St, Wheat Ridge, CO 80033
5829 Niwot Rd, Longmont, CO 80503
58480 Cherry Rd, Boone, CO 81025
Professional information
Ultrasonic Emulsion Fluids
US Patent:
4542745, Sep 24, 1985
Filed:
Jun 27, 1983
Appl. No.:
6/508362
Inventors:
Clyde G. Oakley - Lewistown PA
Joe F. Guess - Littleton CO
Cheston W. Robbins - Englewood CO
Robert M. Kelly - Denver CO
Dean N. Skaar - Aurora CO
Stephen D. Walker - Englewood CO
Joe F. Guess - Littleton CO
Cheston W. Robbins - Englewood CO
Robert M. Kelly - Denver CO
Dean N. Skaar - Aurora CO
Stephen D. Walker - Englewood CO
Assignee:
Technicare Corporation - Solon OH
International Classification:
B01J 1300
US Classification:
252312
Abstract:
An ultrasonic emulsion fluid is provided for use in ultrasonic probes of medical ultrasonic diagnostic systems, in which the fluid couples ultrasonic energy between a transducer and human tissue. The emulsion outer phase is a water and velocity enhancer mixture. Suitable enhancers include alcohols such as ethylene glycol, propylene glycol, or glycerol. The suspended phase of the emulsion is an oil phase such as a silicone fluid. The silicone fluid droplets in the emulsion exhibit an average size which provides the emulsion with desired attenuation characteristics over a given band of ultrasonic frequencies.