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Browse by Category: Main > Health & Medicine
Class Information
Number: 128/902
Name: Surgery > Biological signal amplifier
Description: Amplifier for electric signal generated by the body.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8545402 Highly reliable ingestible event markers and methods for using the same Oct. 1, 2013
8430860 System, apparatus, and method for facilitating interface with laryngeal structures Apr. 30, 2013
7734333 Method and apparatus for detecting arrhythmias in a medical device Jun. 8, 2010
7587239 Cardiac pacemaker system, lead and method for rejecting far-field signals Sep. 8, 2009
7299083 Electrode for, and method of, indicating signal characteristics at particular positions in a patient's body Nov. 20, 2007
7235050 Implantable device for processing neurological signals Jun. 26, 2007
7171269 Method of analysis of medical signals Jan. 30, 2007
7092762 Low-power, high-modulation-index amplifier for use in battery-powered device Aug. 15, 2006
7079901 Low-power, high-modulation-index amplifier for use in battery-powered device Jul. 18, 2006
6865409 Surface electromyographic electrode assembly Mar. 8, 2005
6834205 Automatic shock lead gain adjuster Dec. 21, 2004
6807438 Electric field sensor Oct. 19, 2004
6778855 Automatic shock lead gain adjuster Aug. 17, 2004
6728564 Configurable sensor system for measuring biopotentials Apr. 27, 2004
6718191 Skin potential measuring sensor Apr. 6, 2004
6334068 Intraoperative neuroelectrophysiological monitor Dec. 25, 2001
6317625 Method and apparatus for increasing the low frequency dynamic range of a system for measuring physiological signals with an implantable medical device Nov. 13, 2001
6302686 Interocclusal dental appliance and method Oct. 16, 2001
6208888 Voltage sensing system with input impedance balancing for electrocardiogram (ECG) sensing applications Mar. 27, 2001
6016446 Cardiac rhythm management system including nonlinear, non-blanking sense amplifier Jan. 18, 2000
5954660 Apparatus for filtering cardiac signals Sep. 21, 1999
5724967 Noise reduction apparatus for low level analog signals Mar. 10, 1998
5713365 Pocket instrument for detecting an electric biological signal, in particular an electrocardiographic signal Feb. 3, 1998
5709213 Low noise, high bandwidth, augmented lead circuit for acquisition of cardiac pacing artifacts Jan. 20, 1998
5678559 Eeg system Oct. 21, 1997
5427111 Receiver for differential signals with means for adjusting a floating ground state Jun. 27, 1995
5427110 Circuit arrangement for the processing of physiological measurement signals Jun. 27, 1995
5414392 Amplifier circuit May. 9, 1995
5392784 Virtual right leg drive and augmented right leg drive circuits for common mode voltage reduction in ECG and EEG measurements Feb. 28, 1995
5368041 Monitor and method for acquiring and processing electrical signals relating to bodily functions Nov. 29, 1994
5360008 Respiratory and cardiac monitor Nov. 1, 1994
5111814 Laryngeal pacemaker May. 12, 1992
5018523 Apparatus for common mode stimulation with bipolar sensing May. 28, 1991
5002064 Portable life detection monitor including lead fail detector and unique signal processing system Mar. 26, 1991
4899760 Noise rejecting detector for biomedical signals Feb. 13, 1990
4896120 Instrumentation amplifier arrangement Jan. 23, 1990
4890630 Bio-electric noise cancellation system Jan. 2, 1990
4865039 Dry electrode system for detection of biopotentials and dry electrode for making electrical and mechanical connection to a living body Sep. 12, 1989
4763659 Dry electrode system for detection of biopotentials Aug. 16, 1988
4751471 Amplifying circuit particularly adapted for amplifying a biopotential input signal Jun. 14, 1988
4742831 Selection and isolation apparatus for use with ECG device May. 10, 1988
4730618 Cardiac pacer for pacing a human heart and pacing method Mar. 15, 1988
4683441 Apparatus for establishing the differences between multiple pairs of analog input signals Jul. 28, 1987
4677986 Unsaturable sense amplifier for pacer system analyzer Jul. 7, 1987
4669479 Dry electrode system for detection of biopotentials Jun. 2, 1987
4649931 Sampled data sense amplifier Mar. 17, 1987
4598281 Electrical line interruption detection and alarm circuit Jul. 1, 1986
4596252 Pacer sense amplifier Jun. 24, 1986
4558702 Cardiac pacer having input/output circuit programmable for use with unipolar and bipolar pacer leads Dec. 17, 1985
4539999 Method and device for subtracting a pacer signal from an ECG signal Sep. 10, 1985

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