Cardiac sensing by implantable medical devices during...

Details Cardiac sensing by implantable medical devices during... Cardiac sensing by implantable medical devices during...

2007-03-14

2010-12-14

Manuel, George (Department: 3762)

Surgery

Diagnostic testing

Cardiovascular

Reexamination Certificate

active

07853318

ABSTRACT:
Embodiments of the invention can include a method for reducing MRI interference from a physiological electrical signal received in an implantable medical device. The method can include the steps of amplifying the physiological electrical signal with a high bandwidth amplifier and sampling the amplified physiological electrical signal at a sampling frequency of at least 8 kHz to obtain a first high-frequency sequence of samples. The method can further includes the steps of processing the first high-frequency sequence of samples to identify a signal artifact that is characteristic of MRI interference and creating a second high-frequency sequence of samples by reducing the signal artifact characteristic of MRI interference from the first sequence of samples. Embodiments can also include a method of determining a heart rate from a physiological electrical signal received in an implantable medical device. Embodiments can also includes an implantable medical device that receives and processes a physiological electrical signal. Other embodiments are also described herein.

REFERENCES:
patent: 4301804 (1981-11-01), Thompson et al.
patent: 4379459 (1983-04-01), Stein
patent: 4745284 (1988-05-01), Masuda et al.
patent: 4991580 (1991-02-01), Moore
patent: 5038785 (1991-08-01), Blakeley et al.
patent: 5074309 (1991-12-01), Gerdt
patent: 5217010 (1993-06-01), Tsitlik et al.
patent: 5347222 (1994-09-01), Fox et al.
patent: 5540724 (1996-07-01), Cox
patent: 5601607 (1997-02-01), Adams
patent: 5968083 (1999-10-01), Ciciarelli et al.
patent: 6016446 (2000-01-01), Belalcazar
patent: 6198972 (2001-03-01), Hartlaub et al.
patent: 6427085 (2002-07-01), Boon et al.
patent: 6641541 (2003-11-01), Lovett et al.
patent: 6925322 (2005-08-01), Helfer et al.
patent: 6954674 (2005-10-01), Connelly
patent: 7015393 (2006-03-01), Weiner et al.
patent: 7020517 (2006-03-01), Weiner
patent: 7038601 (2006-05-01), Uutela et al.
patent: 7050855 (2006-05-01), Zeijlemaker et al.
patent: 7076283 (2006-07-01), Cho et al.
patent: 7082328 (2006-07-01), Funke
patent: 7091412 (2006-08-01), Wang et al.
patent: 7123013 (2006-10-01), Gray
patent: 2002/0163333 (2002-11-01), Schlicker et al.
patent: 2003/0083570 (2003-05-01), Cho et al.
patent: 2003/0140931 (2003-07-01), Zeijlemaker et al.
patent: 2003/0144704 (2003-07-01), Terry et al.
patent: 2003/0176897 (2003-09-01), Stessman
patent: 2004/0088012 (2004-05-01), Kroll et al.
patent: 2004/0098093 (2004-05-01), DiCarlo
patent: 2004/0135571 (2004-07-01), Uutela et al.
patent: 2004/0263172 (2004-12-01), Gray et al.
patent: 2005/0070975 (2005-03-01), Zeijlemaker et al.
patent: 2006/0155268 (2006-07-01), Amir et al.
patent: 2006/0293591 (2006-12-01), Wahlstrand et al.
patent: 2007/0191914 (2007-08-01), Stessman
patent: 2008/0147135 (2008-06-01), Hareland
patent: 2008/0195180 (2008-08-01), Stevenson et al.
patent: 1716878 (2006-11-01), None
patent: WO-03037429 (2003-05-01), None
Abi-Abdallah, Dima et al., “Reference signal extraction from corrupted ECG using wavelet decomposition for MRI sequence triggering: application to small animals”,BioMedical Engineering OnLinewww.biomedical-engineering-online.com/content/5/1/11 Feb. 20, 2006, 1-12.
Fontaine, John M. et al., “Rapid Ventricular Pacing in a Pacemaker Patient Undergoing Magnetic Resonance Imaging”,PACE, vol. 21 Jun. 1998, pp. 1336-1339.
Luechinger, Roger et al., “In Vivo Heating of Pacemaker Leads During Magnetic Resonance Imaging”,European Heart Journal, The European Society of Cardiology2004 pp. 1-8.
EP Office Action for related pending application No. 08730844.1, mailed Mar. 19, 2010 (2 pages).
File History for co-pending U.S. Appl. No. 11/684,419, filed Mar. 9, 2007, downloaded from USPTO Website Jun. 23, 2010 (28 pages).
File History for co-pending U.S. Appl. No. 11/680,267, filed Feb. 28, 2007, downloaded from USPTO Website Jun. 23, 2010 (54 pages).
International Search Report, mailed Oct. 8, 2008, from International application No. PCT/US2008/055127, filed Mar. 6, 2008 (13 pages).
International Search Report, mailed Jul. 17, 2008, from International application No. PCT/US2008/056015, filed Mar. 6, 2008 (17 pages).

Affiliated with

Also associated with

Rating

Cardiac sensing by implantable medical devices during... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cardiac sensing by implantable medical devices during..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cardiac sensing by implantable medical devices during... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4189054