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Class 600/547 - Measuring electrical impedance or conductance of body portion


Subclass of Class 600 - Surgery
Definition: Subject matter for measuring (a) the impedance of any part
No. of applications: 612
Last issue date: 05/24/2012


1                      
Application No.Application TitleIssue Date
20120130225MEDICAL DIAGNOSTIC DEVICE AND METHOD FOR DIAGNOSING
The invention relates to a medical diagnostic device (1) having at least one sensor matrix (2) for capturing electrical voltage signals at a plurality of locations on the body surface of a person or animal, wherein the diagnostic device (1) is set u...
05/24/2012
20120130267IMPEDANCE BASED ANATOMY GENERATION
Methods and systems for the determination and representation of a chamber anatomy are disclosed herein....
05/24/2012
20120130207 MICRO-NEEDLE DEVICE AND APPARATUS AND A METHOD FOR APPLYING A MICRO-NEEDLE ELEMENT TO A SITE ON THE SKIN OF A SUBJECT
A micro-needle device (3) comprises a micro-needle element (2) which is carried on a strap (14) and is securable around a limb of a subject by the strap (14) with the micro-needle element (2) located at a desired site. A pressure senso...
05/24/2012
20120108950BIOIMPEDANCE-ASSISTED PLACEMENT OF A MEDICAL DEVICE
A system and method for guiding a catheter or other medical device to a desired target destination within the vasculature of a patient via bioimpedance measurements is disclosed. The target destination in one embodiment includes placement of the catheter such that a dis...
05/03/2012
20120108926DEVICES, SYSTEMS, AND METHODS FOR TRANSRADIAL ACCESS
Devices, systems, and methods for transradial access. In at least one embodiment of a device for providing access to a vessel or other luminal organ of the present disclosure, the device comprises a needle having a needle tip, a sheath positioned around at least part of...
05/03/2012
20120109001SENSING IN AN IMPLANTABLE DEVICE IN THE PRESENCE OF AN INTERFERING SIGNAL USING LEAD IMPEDANCE MEASUREMENTS
A device to which an implantable lead is coupled may be configured to perform one or more impedance measurements subsequent to a sensed physiological event to determine whether the sensed physiological event is possibly associated with noise induced by an interfering si...
05/03/2012
20120083709SYSTEMS AND METHODS FOR DETECTING INTRATHECAL PENETRATION
Systems and methods for detecting intrathecal penetration are disclosed. A method in accordance with one embodiment includes detecting a value corresponding to an impedance of an electrical circuit that in turn includes an electrical contact located within the patient, ...
04/05/2012
20120083684DIGITAL DISTANCE MEASURER FOR NERVE CONDUCTION STUDIES
Nerve conduction studies (NCS) are used to diagnose many types of disorders and are being employed more and more frequently. Current methods for distance measurement during a NCS are manual and often time consuming and vulnerable to considerable error. A device and syst...
04/05/2012
20120071782METHODS AND SYSTEMS FOR DETERMINING VASCULAR BODILY LUMEN INFORMATION AND GUIDING MEDICAL DEVICES
Methods and systems for determining information about a vascular bodily lumen are described. An exemplary method includes generating an electrical signal, delivering the electrical signal to a plurality of excitation elements in the vicinity of the vascular bodily lumen...
03/22/2012
20120053441IMPEDANCE DEVICES FOR OBTAINING CONDUCTANCE MEASUREMENTS WITHIN LUMINAL ORGANS
Impedance devices for obtaining conductance measurements within luminal organs. In at least one embodiment of an impedance device of the present disclosure, the device, comprises an elongated body and an detector positioned upon the elongated body, the detector comprisi...
03/01/2012
20120053480DETECTION OF BIOLOGICAL INFORMATION OF A SUBJECT
Implementations and techniques for detecting biological information of a subject based on one of a rectangular wave to rectangular wave (RR) interval in an electrocardiogram and/or a change in impedance of a human body when alternating current modulated by a code sequen...
03/01/2012
20120053470TISSUE CHARACTERIZATION USING INTRACARDIAC IMPEDANCES WITH AN IMPLANTABLE LEAD SYSTEM
An implantable system acquires intracardiac impedance with an implantable lead system. In one implementation, the system generates frequency-rich, low energy, multi-phasic waveforms that provide a net-zero charge and a net-zero voltage. When applied to bodily tissues, c...
03/01/2012
20120046571METHOD AND APPARATUS FOR DETECTING ETHANOL
The present publication discloses a method for detecting ethanol, in which method the ethanol content of a person is measured. According to the invention, the ethanol content is measured from the person's skin, using a capacitive measurement method....
02/23/2012
20120046570Methods and devices for real time monitoring of collagen content and for altering collagen status
The present invention comprises methods and systems/devices for non-invasively measuring and/or altering collagen structures before, during and after treatment, e.g., by the application of RF energy, of tissues that comprise such collagen structures....
02/23/2012
20120035496BLADDER SENSING USING IMPEDANCE AND POSTURE
This disclosure provides techniques for bladder sensing. In accordance with the techniques described in this disclosure, a device may measure the impedance of a bladder, determine the posture of a patient, and determine a status of the bladder based on the impedance and...
02/09/2012
20120035457ELECTROMAGNETIC SYSTEM AND METHOD
Differences of electromagnetic (EM) properties between healthy and cancerous tissues allow detection of abnormal conditions occurring in a tissue of an animal, for example, intra-operative cancer detection. By using a time-varying EM field, electrical eddy currents are ...
02/09/2012
20120035495SYSTEMS AND METHODS FOR EXPLOITING NEAR-FIELD IMPEDANCE AND ADMITTANCE FOR USE WITH IMPLANTABLE MEDICAL DEVICES
Various techniques are provided for use with an implantable medical device for exploiting near-field impedance/admittance. Examples include techniques for assessing heart chamber disequilibrium, detecting chamber volumes and pressures, calibrating near-field-based left ...
02/09/2012
20120035490WIRELESS CARDIAC PULSATILITY SENSING
An implantable medical device system and associated method monitor changes in transimpedance in a body tissue due to changes in cardiac pulsatility. A first dipole is used to deliver a non-stimulating electrical current. The first dipole includes a first electrode and a...
02/09/2012
20120035494MULTIFREQUENCY BIOIMPEDENCE DEVICE AND RELATED METHODS
Embodiments relate to a device and a method of monitoring and analyzing physiological parameters of a patient. The method includes electrically connecting one or more electrodes with a measurement site of a patient, generating a stimulation signal or signals sufficient ...
02/09/2012
20120035432MEDICAL DEVICE AND METHODS OF MONITORING A PATIENT WITH RENAL DYSFUNCTION
Embodiments relate to a method of monitoring physiological parameters of a patient with renal dysfunction. The method includes electrically connecting one or more medical device electrodes with a measurement site of a patient, generating one or more first stimulation si...
02/09/2012
20120035493NEAR FIELD-BASED SYSTEMS AND METHODS FOR ASSESSING IMPEDANCE AND ADMITTANCE FOR USE WITH AN IMPLANTABLE MEDICAL DEVICE
A new model is provided for understanding and exploiting impedance or admittance values measured by implantable medical devices, such as pacemakers or cardiac resynchronization devices (CRTs.) The device measures impedance along vectors extending through tissues of the ...
02/09/2012
20120029380BODY COMPOSITION ANALYZER FOR ANIMALS
A body composition analyzer for animals is provided. A movement of an animal may be restrained by controlling a physical motion of a plurality of electrode units that come into contact with feet of the animal and thus, it is possible to effectively restrict the movement...
02/02/2012
20120022360METHODS FOR INTRAVASCULAR IMAGING AND FLUSHING
The invention generally relates to methods for determining when to initiate an imaging procedure inside a lumen of a vessel. In certain embodiments, methods of the invention involve introducing an imaging apparatus into a lumen of a vessel, introducing a flushing fluid ...
01/26/2012
20120022393Medical treatment device
A medical treatment device comprises a sensor to detect operating states of the medical treatment device, wherein the sensor comprises a first electrode, a second electrode and impedance means. The first electrode is arranged between a current path input and a current p...
01/26/2012
20120016257MEASUREMENT FOR AUTONOMIC FUNCTION
The present invention is an article of manufacture and method for using same, comprising at least two self adhesive sensors having a paired offset potential of consistently below about +/−1.0 mV; and a data gathering device connected to the sensors capable of measurin...
01/19/2012
20120016256APPARATUS AND METHOD FOR DETECTING AND MEASURING CONDITION OF ESOPHAGEAL MUCOSA AND INDICATIONS OF GASTROESOPHAGEAL REFLUX DISEASE
A mucosal impedance measuring system that is capable of direct and accurate impedance measurements of esophageal mucosa includes example multi-channel intraluminal impedance catheters with inflatable and deflatable components for positioning the impedance sensor electro...
01/19/2012
20120016255RESPIRATION CHARACTERISTIC ANALYSIS APPARATUS AND RESPIRATION CHARACTERISTIC ANALYSIS SYSTEM
A respiration characteristic analysis apparatus includes a bioelectrical impedance determiner adapted for determining bioelectrical impedance at a part including the right lung of a human subject and for determining bioelectrical impedance at a part including the left l...
01/19/2012
20120016254RESPIRATION CHARACTERISTIC ANALYSIS APPARATUS AND RESPIRATION CHARACTERISTIC ANALYSIS SYSTEM
A respiration characteristic analysis apparatus includes a bioelectrical impedance determiner adapted for determining a first bioelectrical impedance at the upper body trunk of a human subject including the upper lobes of the lungs of the human subject and excluding the...
01/19/2012
20120004570BIOLOGICAL INFORMATION MEASUREMENT DEVICE, BIOLOGICAL INFORMATION MEASUREMENT METHOD, AND BODY COMPOSITION MEASUREMENT DEVICE
To accurately acquire body composition information using data acquired by another device. Thus, there is provided a body composition monitor with scale including a communication unit for allowing input of biological component information (cross-sectional area, site leng...
01/05/2012
20110319786Apparatus and Method for Measuring Physiological Functions
A sensor for monitoring a physiological function such as hydration including microelectrode arrays and electronics operatively connected and placed on an elastic strip, the assembled sensor being attached to a person in such a manner as to pinch and raise the skin under...
12/29/2011
20110313311IMPEDANCE MEASUREMENT PROCESS
Apparatus for use in performing impedance measurements on a subject, the apparatus including a probe having a plurality of electrodes, the probe being configured to allow at least some of the electrodes to be in contact with at least part of the subject and a processing...
12/22/2011
20110313312Tissue Discrimination and Applications in Medical Procedures
A system and method for discriminating tissue types, controlling the level of therapy to tissue, and determining the health of a known tissue by measuring the characteristics of an electrical signal applied to a conductive element located within or by the tissue. Additi...
12/22/2011
20110306896OPERATOR-CONTROLLED MAP POINT DENSITY
A method includes accepting from a medical imaging system a plurality of map points, each map point including a respective coordinate on a surface of a body organ measured by bringing a medical probe into proximity with the surface. An operator input, which specifies a ...
12/15/2011
20110306897CAPSULE AND METHOD FOR TREATING OR DIAGNOSING CONDITIONS OR DISEASES OF THE INTESTINAL TRACT
A device and method for mapping, diagnosing and treating inflammatory disorders (such as Crohn's disease) or other diseases, disorders or conditions of the intestinal tract is provided using a capsule passing through the intestinal tract. Further, a capsule tracking sys...
12/15/2011
20110301488METHOD AND APPARATUS FOR USING BIOPOTENTIALS FOR SIMULTANEOUS MULTIPLE CONTROL FUNCTIONS IN COMPUTER SYSTEMS
A biosignal-computer-interface apparatus and method. The apparatus includes one or more devices for generating biosignals based on at least one physiological parameter of an individual, and a computer-interface device capable of performing multiple tasks, including conv...
12/08/2011
20110301489FLUID INDICATOR
Apparatus for use in performing impedance measurements on a subject, wherein the apparatus includes a processing system for, at each of three frequencies, determining first and second parameter values for first and second impedance parameters relating to the impedance o...
12/08/2011
20110301491METHOD AND APPARATUS FOR DETECTING CHANGE IN INTRATHORACIC ELECTRICAL IMPEDANCE
A method and apparatus for detection of changes in impedance a patient that includes generating measured impedances, generating an adaptive baseline trend of the measured impedances corresponding to a first time period, generating a short term trend of the measured impe...
12/08/2011
20110301492MULTI-CHANNEL IMPEDANCE CARDIOGRAPHY AND METHOD OF MULTI-CHANNEL IMPEDANCE CARDIOGRAPHY
Multi-channel impedance cardiograph comprises a sine generator, a multiplexer, a high-pass filter, an amplifier, an analogue-code converter and a microcontroller. A compensation circuit reduces the required order of the analogue-code converter. The compensation circuit ...
12/08/2011
20110301490DEVICE AND METHOD FOR DETECTING ELECTRIC POTENTIALS ON THE HUMAN OR ANIMAL BODY
The invention relates to a device and method for detecting electrical potentials on the human or animal body, with a body-side arrangement of electrodes (3) and a body-side management unit (4). According to the invention, the conductive pathways (19...
12/08/2011
20110295144HEALTH MANAGING DEVICE
In an abdominal fat measuring device that is a health managing device, vertical and horizontal widths of the abdomen of a subject are measured, and an ellipse defined by such widths is defined as an outer shape ellipse. The abdominal fat measuring device stores in advan...
12/01/2011
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