Dana C Finlayson

US Patent:

20130313917, Nov 28, 2013

Filed:

Feb 7, 2012

Appl. No.:

13/984857

Inventors:

Dana Charles Finlayson - Reading MA, US
Andreas Richmond Knapp - Groton MA, US
Francis Kusti Makie - Melrose MA, US

Assignee:

KONINKLIJKE PHILIPS N.V. - EINDHOVEN

International Classification:

H02H 11/00
H01H 11/00

US Classification:

307130, 29622

Abstract:

A system () for electrically limiting leakage current in a patient- connected medical device (). The system () includes a first set () of one or more switching devices () that selectively connect a first power output () of a - battery compartment () of the patient-connected medical device () with a first power input () of electronic components () of the patient-connected medical device () based on a first polarity of input voltage from the battery compartment (). The system () further includes a second set () of one or more switching devices () that selectively connect a second power output () of the battery compartment () of the patient-connected medical device()with a second power input () of the electronic components () based on a second polarity of the input voltage, wherein the first polarity is opposite the second polarity.

US Patent:

41642155, Aug 14, 1979

Filed:

Jun 10, 1977

Appl. No.:

5/805552

Inventors:

Dana C. Finlayson - Natick MA
Ronald D. Gatzke - Lexington MA
Robert L. Stettiner - Lexington MA

Assignee:

Hewlett-Packard Company - Palo Alto CA

International Classification:

A61B 504

US Classification:

128696

Abstract:

A defibrillator is described having separate amplifiers for the paddles and the ECG electrodes and means for supplying cardiographic signals to an output amplifier from the amplifier associated with the ECG electrodes when they are properly attached to the patient and for automatically coupling cardiographic signals to the output amplifier from the amplifier associated with the paddles if any combination of the ECG electrodes become improperly attached.