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Class Information
Number: 600/547
Name: Surgery > Diagnostic testing > Measuring electrical impedance or conductance of body portion
Description: Subject matter for measuring (a) the impedance of any part of the body to flow of electric current therethrough or (b) the readiness with which any part of the body transmits an electric current.

Sub-classes under this class:

Class Number Class Name Patents
600/548 Locating acupuncture points 63

Patents under this class:

Patent Number Title Of Patent Date Issued
8712515 Method and apparatus for disease diagnosis and screening using extremely low frequency electromagnetic fields Apr. 29, 2014
8706209 Devices, systems, and methods for measuring parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determining plaque vulnerability using temperature Apr. 22, 2014
8706208 Passive wireless gastroesophageal sensor Apr. 22, 2014
8706207 Method and apparatus for measuring and treating shivering during therapeutic temperature control Apr. 22, 2014
8702927 Multiple-electrode and metal-coated probes Apr. 22, 2014
8702617 Simultaneous ambulatory pulse oximetry and pH monitoring for the diagnosis of GERD-related respiratory disease Apr. 22, 2014
8694091 In vivo determination of acidity levels Apr. 8, 2014
8694090 Device for determining tooth status underneath a crown Apr. 8, 2014
8694089 Apparatus and method for estimating stroke volume of the heart using bio-impedance techniques Apr. 8, 2014
8694088 Hand-held electric field imager for measuring the electric field in mammalian skin and other epithelial structures Apr. 8, 2014
8688214 Cardiac cycle synchronized sampling of impedance signal Apr. 1, 2014
8688190 Adherent device for sleep disordered breathing Apr. 1, 2014
8682442 Electrical wound healing system and method Mar. 25, 2014
8682424 Noninvasive multi-channel monitoring of hemodynamic parameters Mar. 25, 2014
8676317 System and method for estimating defibrillation impedance based on low-voltage resistance measurements using an implantable medical device Mar. 18, 2014
8670822 Body fat measurement device Mar. 11, 2014
8666485 Body composition monitor capable of accurately measuring whole-body composition and achieving facilitated manipulation Mar. 4, 2014
8660641 Method for identifying and evaluating parallel motor control function in the brain based on electromyogram signals Feb. 25, 2014
8655443 Electrophysiological analysis system Feb. 18, 2014
8655427 Catheter systems for measuring electrical properties of tissue and methods of use Feb. 18, 2014
8652042 Sensing moisture level of human skin Feb. 18, 2014
8649845 Methods for identifying target stimulation regions associated with therapeutic and non-therapeutic clinical outcomes for neural stimulation Feb. 11, 2014
8644950 Cardiac tissue elasticity sensing Feb. 4, 2014
8644919 Shielded stimulation and sensing system and method Feb. 4, 2014
8641637 Method of measuring an acoustic impedance of a respiratory system and diagnosing a respiratory disease or disorder or monitoring treatment of same Feb. 4, 2014
8639329 Circuits and methods for artifact elimination Jan. 28, 2014
8639320 Muscle-activity diagnosis apparatus, method, and program Jan. 28, 2014
8634906 Application of electric fields to the lung as therapy for pulmonary edema Jan. 21, 2014
8634905 Detection apparatus and detection method Jan. 21, 2014
8633809 Electrode diversity for body-coupled communication systems Jan. 21, 2014
8633033 Volumetric induction phase shift detection system for determining tissue water content properties Jan. 21, 2014
8632473 Detecting worsening heart failure based on fluid accumulation with respiratory confirmation Jan. 21, 2014
8630700 Implantable heart monitoring device, system and method Jan. 14, 2014
8628724 Integrated needle and test strip with aspiration apparatus and method of use Jan. 14, 2014
8628471 System and method for predicting patient health within a patient management system Jan. 14, 2014
RE44667 Impedance spectroscopy system and catheter for ischemic mucosal damage monitoring in hollow viscous organs Dec. 24, 2013
8615292 Oedema detection Dec. 24, 2013
8615287 Catheter tracking and endocardium representation generation Dec. 24, 2013
8611992 Diagnostic device and method for sensing hydration state of a mammalian subject Dec. 17, 2013
8611991 System and method for conducting multiplexed electrical impedance tomography Dec. 17, 2013
8610022 Impedance spectroscopy system and catheter for ischemic mucosal damage monitoring in hollow viscous organs Dec. 17, 2013
8606354 Visceral fat measuring device Dec. 10, 2013
8606177 Apparatus and method for controlling human body contact of ground electrode, and human body communication system using the same Dec. 10, 2013
8603000 Method and apparatus for measuring blood volume Dec. 10, 2013
8600497 Systems and methods to monitor and treat heart failure conditions Dec. 3, 2013
8600474 Body fat measurement device Dec. 3, 2013
8594782 Apparatus and methods for determining the location of the apex of a dental root canal Nov. 26, 2013
8594781 Monitoring system Nov. 26, 2013
8594780 Method for analyzing the structure of an electrically conductive object Nov. 26, 2013
8594779 Seizure prediction Nov. 26, 2013

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