Apparatus and method for determining cardiac output in a...

Surgery – Diagnostic testing – Cardiovascular

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

10616126

ABSTRACT:
An improved apparatus and method for determining the cardiac output of a living subject. The improved apparatus generally comprises one or more electrode assemblies or patches affixed to the skin of the subject in the vicinity of the thoracic cavity. In one embodiment, the apparatus comprises a constant current source impedance cardiography (ICG) monitor adapted as a stand-alone system. In another embodiment, the apparatus comprises a module adapted for use with a host monitoring system, the latter providing ECG, blood pressure, and/or other inputs to the module. Method of detecting a loss of electrical continuity in one or more of the terminals of the electrode patch, and selecting between a plurality of signal inputs based on signal quality, are also disclosed.

REFERENCES:
patent: RE30101 (1979-09-01), Kubicek et al.
patent: 4577639 (1986-03-01), Simon et al.
patent: 5103828 (1992-04-01), Sramek
patent: 5178151 (1993-01-01), Sackner
patent: 5178154 (1993-01-01), Ackmann et al.
patent: 5184620 (1993-02-01), Cudahy et al.
patent: 5287520 (1994-02-01), Kaiser
patent: 5505209 (1996-04-01), Reining
patent: 5511553 (1996-04-01), Segalowitz
patent: 5576952 (1996-11-01), Stutman et al.
patent: 5590648 (1997-01-01), Mitchell et al.
patent: 5876351 (1999-03-01), Rohde
patent: 5895298 (1999-04-01), Faupel et al.
patent: 6016445 (2000-01-01), Baura
patent: 6135966 (2000-10-01), Ko
patent: 6141575 (2000-10-01), Price
patent: 6186955 (2001-02-01), Baura
patent: 6217525 (2001-04-01), Medema et al.
patent: 6246907 (2001-06-01), Lin et al.
patent: 6561986 (2003-05-01), Baura et al.
patent: 6671540 (2003-12-01), Hochman
patent: 6820049 (2004-11-01), Monroe et al.
patent: 0776631 (1997-04-01), None
patent: WO 9853737 (1998-12-01), None
patent: WO 0062684 (2000-10-01), None
CardioDynamics International Corporation Information Sheets for BioZ.com, (6 pages), no date, www.bioz.com.
CardioDynamics' Technology Information Sheets for “Thoracic Electrical Bioimpedance (TEB)”, (7 pages), no date, www.cardiodynamics.com.
CardioDynamics BioZ Information Sheets for “The BioZ System”, (8 pages), no date, www.cardiodynamics.com.
W. G. Kubicek, Ph.D., et al., “Development and Evaluation of an Impedance Cardiac Output System”, Acrospace Medicine, pp. 1208-1212, Dec. 1966.
Jan Nybor, Sc.D., M.D., et al., “Electrical Impedance Plethysmography”, Circulation, vol. II, pp. 811-821, Dec. 1950.
ConMed Coporation POSITRACE ECG Electrode (Exhibit “A” consisting of five pages), Jun. 1998.
G. W. N. Dalzell, et al., “Initial Experience with a Microprocessor Controlled Current Based Defibrillator,” University of Ulster, Jordanstown, and Regional Medical Cardiology Centre, Royal Victoria Hospital, Belfast, Ireland, pp. 502-505, Feb. 2, 1989.
B. Bo Sramek, MSEE, “Hemodynamic and Pump-Performance Monitoring by Electrical Bioimpedance,” Problem in Respiratory Care, vol. 2, No. 2, pp. 274-290, Apr./Jun. 1989.
G. D. Baura, Ph.D., et al., “Intra-Sensor Spacing and Sensor Placement Variability on Impedance Cardiography (ICG) Parameters,” CDIC Technical Report #TR-048, consisting of 2 pages, Jul. 26, 2000.
GE Medical Systems Information Technologies, “Non-Invasive Hemodynamic Monitoring With BioZ Impedance Cardiography,” consisting of 2 pages, 2001.
Wantagh, Incorporated, “Noninvasive Continuous Hemodynamic Patient Monitoring System—Operator'Manual,” Title page, plus pp. 1-42 (date unknown).
Wantagh, Incorporated, “Noninvasive Continuous Hemodynamic Monitoring,” pp. 1-4 (date unknown).
Lead-Lok, Inc., (Aug. 8, 1998), Final Production Specifications consisitng of two (2) pages.
Sorba Medical Systems—product literature entitled “Transthoracic Electrical Bioimpedance R-ware Triggered Ensemble” Averaging consisitng of four (4) pages.
Sorba Medical Systems—product literature regarding the CIC-1000™—consisting of two (2) pages.
Sorba Medical Systems—product literature regarding the Steorra™ impedance cardiograph—consisting of three (3) pages.
Solar®8000M Patient MonitorGE Medical Systemsweb page (6 pages).
Non-Invasive Hemodynamic Monitoring with BioZ® Impedance Cardiography web page (2 pages).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Apparatus and method for determining cardiac output in a... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for determining cardiac output in a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for determining cardiac output in a... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3799009

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.