ECG enhancement by adaptive cancellation of electrosurgical inte

Details ECG enhancement by adaptive cancellation of electrosurgical inte ECG enhancement by adaptive cancellation of electrosurgical inte

1983-07-07

1985-08-27

Kamm, William E.

Surgery

Truss

Pad

A61B 504

Patent

active

045372004

ABSTRACT:
A technique utilizing a combination of adaptive noise cancelling and conventional signal processing is developed to enhance electrocardiographic monitoring in the operating room by reducing the noise interference that is created by an electrosurgical instrument. Significant amounts of interference are eliminated by radio frequency shielding, passive and active lowpass filtering and optical isolation. A digital adaptive canceller using the least-mean-square algorithm is used to reduce the remainder of the interference, yielding an improvement in signal-to-noise ratio of approximately 100 dB.

REFERENCES:
patent: 4038536 (1977-07-01), Feintuch
patent: 4170227 (1979-10-01), Feldman et al.
patent: 4243045 (1981-01-01), Maas
patent: 4245649 (1981-01-01), Schmidt-Andersen
patent: 4408615 (1983-10-01), Grossman
Lee et al., "I.E.E.E. Transactions on Acoustics, Speech and Signal Processing", vol. 29, No. 3, Jun. 1981, pp. 627-641.

Affiliated with

Also associated with

Rating

ECG enhancement by adaptive cancellation of electrosurgical inte does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with ECG enhancement by adaptive cancellation of electrosurgical inte, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and ECG enhancement by adaptive cancellation of electrosurgical inte will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1997699