Skin impedance matching system and method for skin/electrode interface
US8444559B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2008 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Sep 1, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/442
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a system for measuring the input impedance of a skin/electrode interface and selectively modifying the input impedance of the monitoring circuit to match the measured input impedance. More particularly, a simplified method for correcting for input impedance mismatch between electronic monitoring circuitry and the skin/electrode interface. In accordance with one embodiment of the invention, an input impedance measuring circuit will interface with a microprocessor and a reconfigurable switch network to select the input impedance of the electronic monitoring circuitry, thus eliminating the impedance sensitivity of EMG or EKG instruments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.