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Class 600/509 - Detecting heartbeat electric signal


Subclass of Class 600 - Surgery
Definition: Methods and apparatus for detecting changes in electrical
No. of patents: 1316
Last issue date: 05/29/2012


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NumberTitleIssue Date
8190246Sensing biological data
A system is provided for obtaining and analyzing biological data of a subject. The system includes a biological data recording device that can sense biological signals of a subject over time and record the sensed biological signals as biological data. The system als...
05/29/2012
8185190Assessment of ischemia, and risk of sudden cardiac death, via heart-functionality parameter and acoustic cardiographic monitoring
Methodology involving assessing, and applying therapy regarding, degree of ischemia and risk for sudden cardiac death in a therapy-device-equipped subject utilizing a Holter-type instrumentality. The methodology includes (a) gathering simultaneous ECG and heart-soun...
05/22/2012
8180438Minimally invasive physiologic parameter recorder and introducer system
An implantable monitoring device includes a flexible lead body that includes at least one sensing element. The device also includes a rigid main body connected to the flexible lead body at an attachment point. The rigid main body is generally centered about a longit...
05/15/2012
8175691ECG electrode and electrode support
An electrically non-conductive back plate for supporting the back of a patient in a supine position comprises on its front face facing the back of the patient a pair or more of ECG electrodes capable of maintaining electrically conductive skin contact with the patie...
05/08/2012
8165664Systems and methods for increased specificity in diagnostics
Specific embodiments provided herein relate to diagnosing, with improved specificity, occurrences of episodes relating to disorders that are known to affect T-wave morphology. One or more propensity metric is obtained, each of which is indicative of a patient's prop...
04/24/2012
8165665Chip for sensing a physiological signal and method for sensing the same
A chip for sensing a physiological signal comprises: an input unit for receiving a first electrocardiogram (ECG) signal; a filter for generating a second ECG signal by filtering the first ECG signal; an amplifying unit for generating a third ECG signal by amplifying...
04/24/2012
8160682Non-invasive cardiac monitor and methods of using continuously recorded cardiac data
One embodiment of the invention is a cardiac monitor having a housing; a plurality of electrodes within and extending from the housing; a state machine within the housing configured to digitialize and store in memory signals from the plurality of electrodes; a seali...
04/17/2012
8160683System and method for integrating voice with a medical device
There is provided a system and method for integrating voice with a medical device. More specifically, in one embodiment, there is provided a medical device comprising a speech recognition system configured to receive a processed voice, compare the processed voice to...
04/17/2012
8155733Lie detection method and system
The present disclosure provides a heart rate variability (HRV) analysis-based method of lie detection, related computer program product, computer readable storage medium and system. Also provided is a method of HRV analysis using strange entropy. ...
04/10/2012
8155731Systems and methods for detecting and compensating for changes in posture during ischemia detection using an implantable medical device
Techniques are described for detecting changes in posture; detecting cardiac ischemia while accounting for changes in posture; and delivering therapy or warning signals in response thereto using the implantable medical device. In one example, the device detects vari...
04/10/2012
8155732ECG system for use in ECG signal measurement of intra-cardiac ECG using a catheter
An ECG system is used in ECG signal measurement of intra-cardiac ECG using a catheter. The system includes a lead signal switch for disconnecting an amplifier input terminal from a reference point and reconnecting the input terminal to a patient limb electrode. An E...
04/10/2012
8150503Use of periodicity in medical data analysis
A patient management system is described that includes an implantable device for collecting one or more physiological parameter values and associated timestamps indicating the time at which the value is collected. The system is then configured to determine the perio...
04/03/2012
8150502Non-invasive cardiac monitor and methods of using continuously recorded cardiac data
Embodiments of the invention provide methods of obtaining continuous cardiac information from a mammal. First, attach a self-contained, wearable, portable continuous cardiac monitor to the mammal to create a chamber containing electrodes used to detect cardiac signa...
04/03/2012
8145296Adaptive windowing for cardiac waveform discrimination
Cardiac devices and methods provide adaptation of detection windows used to determine a cardiac response to pacing. Adapting a detection window involves sensing a cardiac signal indicative of a particular type of cardiac pacing response, and detecting a feature of t...
03/27/2012
8140149Drowsiness detector
A drowsiness detector capable of detecting light drowsiness of a subject with high precision is provided. The drowsiness detector acquires the measurement data of a measurement device first, and acquires a value of the pulse rate by performing preprocessing on the m...
03/20/2012
8135455System and method for monitoring synchrony between chambers of a heart by volume measurements and analysis
An implantable heart monitoring system includes a housing configured for implantation in a subject, at least one sensor member implanted relative to the heart of the subject to detect an electrical signal related to cardiac activity of the heart, a control circuit i...
03/13/2012
8121672Electrostatic discharge protection for wrist-worn device
Electro static discharge (ESD) protection is provided for electronic devices with integrated circuits, such as for example heart rate monitors. The ESD protection protects against voltage accumulation and discharge through device external parts that are connected to...
02/21/2012
8121673Health monitoring appliance
A heart monitoring system for a person includes a wearable appliance in communication with the one or more wireless nodes, the appliance including a heart disease recognizer to determine the person's cardiovascular health. ...
02/21/2012
8116855Fetal surveillance
The spatial position of a fetus within the womb is determined and monitored through analysis of ECG waveform data received from a set of electrodes that are attached to a maternal abdomen in a predetermined configuration. The waveform is compared with a set of prede...
02/14/2012
8116856Arrangement for recording ECG signals
The invention relates to an arrangement for recording ECG signals. The arrangement has at least three electrodes, which can be connected or are connected to an amplification unit via lines, with at least two lines having no or essentially only a minimal distance fro...
02/14/2012
8112147Method and apparatus for generating determination indexes for identifying ECG interfering signals
A method for generating determination indexes for identifying ECG interfering signals includes acquiring ECG signals to obtain a sequence of data values representing original ECG signals; dividing the sequence of data values acquired during a period of time into gro...
02/07/2012
8108036Mesh network stroke monitoring appliance
A heart monitoring system for a patient includes one or more wireless nodes forming a wireless mesh network; a wearable appliance having a wireless transceiver adapted to communicate with the one or more wireless nodes; and a statistical analyzer to determine heart ...
01/31/2012
8108033Techniques for data retention upon detection of an event in an implantable medical device
Methods and apparatus for storing data records associated with a medical monitoring event in a data structure. Upon detection of a possible occurrence of a physiological event by one group of monitoring elements, an implanted device records data received from anothe...
01/31/2012
8108034Systems and methods for valvular regurgitation detection
A system comprising an implantable medical device (IMD). The IMD includes an implantable sensor operable to produce an electrical signal representative of mechanical activity of a heart of a subject and a controller circuit coupled to the sensor. The controller circ...
01/31/2012
8108035Systems and methods for detecting and compensating for changes in posture during ischemia detection a using an implantable medical device
Techniques are described for detecting changes in posture; detecting cardiac ischemia while accounting for changes in posture; and delivering therapy or warning signals in response thereto using the implantable medical device. In one example, the device detects vari...
01/31/2012
8108037Methods and systems for identifying a vector for monitoring ischemia
Methods and systems may identify a vector or a vector configuration, such as a combination of electrodes, for monitoring ischemia. The method may include: selecting a first combination of sensors as a first candidate to be used for monitoring ischemia; detecting a s...
01/31/2012
8103333Mesh network monitoring appliance
A health care monitoring system for a person includes one or more wireless nodes forming a wireless mesh network to communicate data over the wireless mesh network to detect a heart attack or a stroke attack. ...
01/24/2012
8095205Method and apparatus for verifying a determined cardiac event in a medical device based on detected variation in hemodynamic status
A method and apparatus for verifying a determined cardiac event in a medical device based on detected variation in hemodynamic status that includes a plurality of sensors sensing cardiac signals, and a physiologic sensor sensing physiologic signals to generate a plu...
01/10/2012
8095206Method and apparatus for detecting arrhythmias in a medical device
A method and apparatus for adjusting a sensing parameter in a medical device that includes a sensing electrode sensing cardiac signals, a processor to determine an adjusting characteristic associated with the cardiac signals sensed over a predetermined sensing windo...
01/10/2012
8086300ECG electrode contact quality measurement system
A system and method are provided for generating output signals indicative of contact quality of a plurality of electrodes coupled to a patient. A signal generator coupled to a reference electrode injects an alternating signal into the patient. A plurality of differe...
12/27/2011
8082027Portable USB electrocardiograph system and method
The system and method of the present application includes an ECG acquisition device having a USB connector for connecting the device to a host device and a patient connector for connecting the device to a patient with ECG leads. The ECG acquisition device of the pre...
12/20/2011
8082025ECG data acquisition device
An apparatus for generating ECG recordings and a method for using the same are disclosed. The apparatus includes a handheld device and a controller. The handheld device has first, second, third, and fourth electrodes on an outer surface of the handheld device. The c...
12/20/2011
8082026Heartbeat detecting apparatus
A heart beat sensor (10) comprises signal processing means (15) for performing frequency analysis of the output signal of a piezoelectric sensor (1) installed in a seat (2) and judging means (16) judges on the basis of the results ...
12/20/2011
8068902Electrode device and electrocardiographic measurement device
A device for electrocardiogram measurement is provided, which is relatively not easily influenced by electrical activities of muscles, and which can perform electrocardiogram measurement during a measured person's daily life without removing clothes. The device incl...
11/29/2011
8068901Method and apparatus for adjusting a sensing parameter
A method and apparatus of updating a sensing parameter in a medical device that includes sensing cardiac signals, determining intervals in response to the sensed cardiac signals, determining interval patterns associated with the determined intervals, and updating th...
11/29/2011
8068900Method and apparatus for determining alternans data of an ECG signal
Method and apparatus for determining alternans data of an ECG signal. The method can include determining at least one value representing at least one morphology feature of each beat of the ECG signal and generating a set of data points based on a total quantity of v...
11/29/2011
8064990ECG analyzing device
A device (10) for processing electrocardiogram signals and marker signals includes an input interface (30) for receiving electrocardiogram signals and marker signals detected by an implantable medical device; an analyzer unit (32) connected to t...
11/22/2011
8060190Detection of drastic blood pressure changes
The invention relates to cardiac-activity based prediction of a rapid drop in a patient's blood pressure during hemodialysis. A proposed alarm apparatus includes an input interface, primary and secondary analysis units and an alarm-generating unit. An electrocardiog...
11/15/2011
8060191Wireless cardiogram signal diagnostic instrument
A wireless cardiogram signal diagnostic instrument includes a band, a signal transmitting device, two sets of connecting pieces, and a conductive assembly. The band has two opposite mounting portions separated by a distance. The two mounting portions are provided wi...
11/15/2011
8055331Method and apparatus for sequenced extraction from electrocardiogramic waveforms
A method for extracting segments from an electrocardiogram tracing is disclosed. The method selects an electrocardiogram tracing for segment extraction, and associates a dosing time or other time point with the electrocardiogram tracing to align an extraction templa...
11/08/2011
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