Kent R Barker

US Patent:

48919934, Jan 9, 1990

Filed:

Sep 30, 1988

Appl. No.:

7/252456

Inventors:

Kent R. Barker - Eagan MN

Assignee:

Prevention Sciences Incorporated - Eagan MN

International Classification:

G01N 114

US Classification:

7386352

Abstract:

An apparatus and method for electronic measurement of urine volumes. The invention provides a device for establishing streams of uniform flow from a urine void by a user. The urine streams are passed by electrodes whereby resistivity changes in a current path between the electrodes indicates beginning and cessation of urine flow. Timing of the duration of the streams provides a measurement of urine volume per void.

US Patent:

43656366, Dec 28, 1982

Filed:

Jun 19, 1981

Appl. No.:

6/275343

Inventors:

Kent R. Barker - Cottage Grove MN

Assignee:

Medicon, Inc. - Minneapolis MN

International Classification:

A61B 508

US Classification:

128716

Abstract:

A method for detecting apnea by sampling a voltage waveform representative of respiration at regular intervals and calculating the instantaneous voltage differences at alternate sample points, and comparing the magnitude of each difference voltage so calculated against a "threshold" value determined to be the minimum value consistent with normal respiration activity.

US Patent:

52013200, Apr 13, 1993

Filed:

Jun 13, 1991

Appl. No.:

7/714654

Inventors:

Kent R. Barker - Eagan MN

Assignee:

Prevention Sciences Incorporated - Eagan MN

International Classification:

A61B 50225

US Classification:

128680

Abstract:

In combination with a conventional sphygmomanometer, a solenoid, an air release valve connected to the solenoid for the release of air from the cuff bladder of the sphygmomanometer, a pressure transducer for determining air pressure in the cuff bladder and generating a pressure data signal, a data processing unit for monitoring and recording pressure signal readings and controlling the solenoid, and a signaling unit used to designate when to record a pressure signal are provided.