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Surgery > Diagnostic Testing > Measuring Electrical Impedance Or Conductance Of Body Portion

Measuring Electrical Impedance Or Conductance Of Body Portion

Measuring Electrical Impedance Or Conductance Of Body Portion patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

12/14/06 - 20060282006 - Body fat scale having transparent electrodes
A body composition or body fat scale having a rigid, visible light transmissive platform for supporting a user standing on the scale, a plurality of support assemblies for supporting the platform above a surface, the support assemblies providing at least one sensor for measuring a weight of the user; at ...

12/14/06 - 20060282005 - Abdominal impedance-based body composition measuring apparatus
Disclosed is an abdominal impedance-based body composition measuring apparatus, which comprises abdominal impedance measurement means for measuring an abdominal impedance, abdominal size estimation means for estimating an abdominal size, and body composition estimation means for estimating an index of body composition, based on the measured abdominal impedance and the estimated ...

12/07/06 - 20060276721 - Pedicle impedence measuring probe
A probe, a system and method for monitoring correct placement of a pedicle screw in a vertebral body dynamically measures impedance on either side of a pedicle screw during dynamic pedicle screw placement in a pedicle bone structure. Dynamic impedance is also assessed in real-time. ...

11/30/06 - 20060270942 - Wound mapping system
A tissue mapping system comprising a two dimensional array of test electrodes 10 for application to the surface of tissue under investigation and circuit means 50-66 for measuring an electrical characteristic of the tissue underlying each test electrode. In one embodiment the electrical characteristics is the impedance of the tissue ...

11/23/06 - 20060264777 - Event-based lead impedance monitoring
A medical device senses electrical activity within a patient and, in some embodiments, delivers stimulation to the patient via a plurality electrical paths, which include electrodes and associated conductors of one or more leads. The medical device determines whether a symptomatic event, such as a seizure, is detected based on ...

11/23/06 - 20060264776 - Detection of pleural effusion using transthoracic impedance
This patent document discusses systems, devices, and methods for increasing a sensitivity or specificity of thoracic fluid detection in a subject and differentiating between pleural effusion and pulmonary edema. In one example, a thoracic impedance measurement circuit senses a thoracic impedance signal. In another example, a processor receives the thoracic ...

11/23/06 - 20060264775 - Methods of and apparatus for determining fluid volume presence in mammalian tissue
Methods and apparatus (20 ) process noninvasively measured electrical bio-impedence values and perform a technique that indicates whether there exists a change from a homeostatic fluid condition, preferably with respect to blood loss, in mammalian tissue. Analyses can be performed to determine a presence or a change in volume of ...

11/16/06 - 20060258952 - Enhancements to the detection of pulmonary edema when using transthoracic impedance
This patent document discusses, among other things, systems, devices, and methods for enhancing detection of pulmonary edema using, in addition to thoracic impedance, one or a combination of: physiologic information about a subject, at least one statistical parameter, a user-programmable detection level, at least one parameter associated with a previous ...

10/26/06 - 20060241514 - Method and system for detecting electrophysiological changes in pre-cancerous and cancerous tissue and epithelium
A method and system for determining a condition of a selected region of epithelial and stromal tissue, for example in the human breast. A plurality of electrodes are used to measure surface and transepithelial electropotential of breast tissue as well as surface electropotential and impedance at one or more locations ...

10/26/06 - 20060241513 - Calibration of impedance monitoring of respiratory volumes using thoracic d.c. impedance
A system includes an implantable medical device that includes a trans-thoracic impedance measurement circuit providing a trans-thoracic impedance signal of a subject. A controller is coupled to the trans-thoracic impedance circuit. The controller extracts a respiration signal from the trans-thoracic impedance signal, measures a breathing volume of the subject using ...

10/26/06 - 20060241512 - Thoracic or intracardiac impedance detection with automatic vector selection
This document discusses, among other things, a cardiac function management device or other implantable medical device that includes a test mode and a diagnostic mode. During a test mode, the device cycles through various electrode configurations for collecting thoracic impedance data. At least one figure of merit is calculated from ...

10/19/06 - 20060235327 - Trunk visceral fat measuring method and apparatus, trunk skeletal muscle amount measuring apparatus, trunk subcutaneous fat measuring method and apparatus, and trunk visceral and subcutaneous fat measuring method and apparatus
A method and apparatus capable of measuring visceral fat tissues accumulated in the trunk with high accuracy apply a current to a body part where a subcutaneous fat tissue layer is thin or a body part where a skeletal muscle tissue layer has no or a thin muscle belly portion ...

10/19/06 - 20060235326 - Measuring human heart muscle viability using myocardial electrical impedance
A method for detecting a quantitative measure of a physiologic state of a human myocardium or coronary artery. Implementations of the method detect the extent of change of myocardial electrical impedance from a mean baseline value to provide diagnosis of the extent of ischemia, stenosis, tissue rejection, and reperfusion and ...

10/19/06 - 20060235325 - Congestive heart failure monitor
A congestive heart failure monitor has an impedance measuring unit that measures the impedance between at least two electrodes implanted in a patient, to use a detected change of the measured impedance as an indication of a change in the left atrium volume. Any analyzing unit analyzes the measured impedance ...

10/12/06 - 20060229527 - Body composition estimation method and body composition measuring apparatus
By use of a parameter representing an intracellular/extracellular fluid ratio which is included in a parameter value associated with a bioelectric impedance measured at a given frequency or a parameter value associated with a bioelectric impedance measured at other frequency, the parameter value associated with the measured bioelectric impedance is ...

10/05/06 - 20060224080 - Body fat measuring apparatus capable of measuring visceral fat with high accuracy
In a body fat measuring apparatus, a constant electric-current is flowed between hand electric-current electrodes and leg electric-current electrodes. From two detected voltages generated between an annular-shaped voltage electrode placed on an abdominal portion and two voltage electrodes placed at the both sides of a lumbar portion, two abdominal impedances ...

10/05/06 - 20060224079 - Edema monitoring system and method utilizing an implantable medical device
An edema monitoring system includes an implantable medical device (IMD) and a personal edema monitor. The IMD measures an intra-thoracic impedance and transmits intra-thoracic impedance data and other biological data to the personal edema monitor, which generates a user interface based on patient inputs relating to activities and health assessments, ...

09/28/06 - 20060217630 - Biological data measurement system for pregnant women
Disclosed is a maternity biodata measurement system, wherein a sum of a pre-pregnancy energy expenditure and a pregnancy extra energy amount of a subject is determined as an energy amount necessary for the subject in a pregnancy period. In particular, the pregnancy extra energy amount is determined based on pre-pregnancy ...

09/28/06 - 20060217629 - Portable communication device
A portable communication device combining body fat analyzer is disclosed, which is used to measure a value of body fat of a user thereof. A power source provides a first detecting current. A first detection node and a second detection node are located on a surface of the portable communication ...

09/21/06 - 20060211951 - Implantable bladder sensor
An implantable sensor for monitoring the condition of an organ, such as the bladder, of a recipients' body. The sensor (100) comprises a carrier (102), such as a tubular housing that is attachable to the outer surface of the organ. An impedance-varying means (104), such as a saline solution, is ...

09/07/06 - 20060200039 - Impedance based sensor for monitoring leakage in aaa stent graft
Embodiment of the invention provide a technique for detecting endoleakage of an abdominal aortic aneurism (AAA) stent graft on a relatively frequent basis at home or the clinic without the safety risks and/or costs associated with current approaches. In one embodiment, an apparatus for detecting leakage in an AAA graft ...

08/24/06 - 20060189883 - Nervous system monitoring method
A method for monitoring the response of a nervous system of a body to a stimulus. The method comprises collecting a set of voltage measurements between selected areas on a surface of the body whilst current is being passed between selected regions of the surface of the body. The set ...

08/17/06 - 20060184060 - Pathology assessment with impedance measurements using convergent bioelectric lead fields
A method and apparatus for measuring impedance for pathology assessment in a living being using convergent bioelectric lead fields is disclosed, including injecting a current between first and second electrodes implanted in a body of a living being, where the first and second electrodes define a first electric lead field ...

08/10/06 - 20060178594 - Apparatus and method for locating defects in bone tissue
An instrument for locating defects adjacent neural elements in bone tissue includes a handle member with a rotatable coupling member and a probe member coupled to the coupling member. The probe member extends distally from the handle member and includes a longitudinal shaft portion along a longitudinal axis and a ...

08/10/06 - 20060178593 - Device and method for operating a tool relative to bone tissue and detecting neural elements
An apparatus for providing medical treatment includes a tool portion configured to operate relative to bone tissue, a handle portion to operate the tool portion, and a nerve monitoring system to detect neural elements. The tool portion includes an insulated shaft comprised of an electrically conductive member and a non-insulated ...

08/03/06 - 20060173374 - Electrically insulated surgical probing tool
A surgical tool for probing bone tissue includes an elongate member coupled to a handle assembly. The handle assembly is electrically coupled to a electrical signal source. The surgical tool includes an electrically conductive portion in communication with an un-insulated distal end of the elongate member, and insulated portion extending ...

07/27/06 - 20060167374 - Bioelectrical impedance measuring device and body composition measuring apparatus
There are provided a bioelectrical impedance measuring device which calculates bioelectrical impedance parameter values by use of an AD converter incorporated in a low-cost general-purpose microcontroller and a body composition measuring apparatus using the device. The bioelectrical impedance measuring device measures voltages generated in a living body according to alternating ...

07/27/06 - 20060167373 - Basal metabolic rate measuring device
A basal metabolic rate measuring device capable of measuring the basal metabolic rate of a pregnant woman easily and accurately is provided by improving a known basal metabolic rate measuring device capable of calculating a basal metabolic rate based on the fat free mass data and age data of a ...

07/27/06 - 20060167372 - Kit for diagnosing pulp exposure and a probe syringe
A kit for diagnosing pulp exposure of the present invention comprises a probe syringe used for pulp exposure probe and a current detector device for obtaining a circuit resistance value or an impedance value from current flowing an electric closed circuit including the probe syringe. The probe syringe further comprises ...

07/20/06 - 20060161073 - In vitro and in vivo assessment of organs and tissue and use, transplant, freshness and tissue conditions
A method of organ and tissue vitality assessment in a biological entity, human, animal, fruit or vegetable, including the steps of: utilizing bioelectric impedance analysis in a biological model for composition analysis; and using the results of the utilizing step to provide an objective assessment of volume and distribution of ...

07/13/06 - 20060155208 - Human body composition monitoring and measuring apparatus of a glass platform with film coating electrodes
The present invention relates to a measuring technology, in particular relates to a monitoring and measuring apparatus of a glass platform with film coating electrodes: a human body composition monitoring and measuring apparatus of a glass platform with film coating electrodes, comprises a glass measuring platform with film coating electrodes ...

06/22/06 - 20060135886 - Device for determining thoracic impedance
An electromedical implant includes a measuring signal generator, an impedance measuring unit to determine the impedance of human or animal tissue, a control unit which, for controlling the measuring signal generator and the impedance measuring unit, is at least indirectly connected to the measuring signal generator and to the impedance ...

06/22/06 - 20060135885 - Female physical condition managing apparatus
Disclosed is a female physical condition managing apparatus, which comprises input means for entering a bioelectric impedance-related parameter value, storage means for storing a time series of the parameter values entered for a given time period, change-trend acquisition means for acquiring a parameter-value change trend in accordance with the time-series ...

06/22/06 - 20060135884 - Application devices, systems and methods for use with medical devices
An application or an attachment device for attaching a medical device includes a base layer and an adhesive layer on a rearward side of the base layer. The adhesive layer is adapted to removably attach the base layer. The adhesive layer can be adapted to removably attach the base layer ...

06/15/06 - 20060129060 - Management method of fat mass and management device of fat mass using mobile phone
The present invention relates generally to an apparatus for managing the body fat of a human body and, more particularly, to a mobile communication terminal in which a body fat managing function is embedded, and an apparatus in which a body fat managing device is connected to a mobile communication ...

06/08/06 - 20060122533 - Method and apparatus for measuring body fat by using bioelectrical impedance
A method and apparatus for measuring body fat using bioelectrical impedance, that reduces measurement errors and improves repeatability by compensating for variation of a contact voltage caused by variation of an electrode contact area. The method includes: detecting a voltage across the voltage electrodes under a first conditional pressure and ...

06/08/06 - 20060122532 - Refrigerator with body fat meter
A refrigerator is disclosed. The refrigerator with a body fat meter calculates a body fat rate according to an impedance of a human body when the user touches both of the body fat detecting buttons, displays the body fat rate on a screen, and keeps a historical record of the ...

06/01/06 - 20060116599 - Electrical impedance tomography using a virtual short measurement technique
Typical electrical impedance tomography (“EIT”) systems apply current to a body under test and measure the induced voltages on the surface and then through an inverse process, reconstruct an approximation to the electrical conductivity in the interior. The EIT system described herein employs a new approach to evaluating the interior ...

05/25/06 - 20060111645 - Two wire oscillator system for determining body empedance
An apparatus for determining body impedance comprising: first and second electrodes suitable for being electrically coupled to the body; and a variable frequency relaxation oscillator coupled to the electrodes; wherein, the period of oscillation is indicative of the body impedance. ...

05/11/06 - 20060100539 - Method and device for measurement of electrical bioimpedance
A method of measuring of an electrical bio-impedance, the method being characterized in that a symmetrical bipolar pulse-form periodical excitation signal (electrical current or voltage) is applied to the input (11) of the bio-object (1), a corresponding reaction of the bio-object to the mentioned excitation signal is measured from the ...

05/04/06 - 20060094979 - Body impedance measurement apparatus
A relay 201 is provided for opening and closing the signal path connecting the measurement circuits and an electrode, and a relay 213 is provided for opening and closing a DC power line extending from an AC-DC adaptor 3 connected to a commercial AC power supply 5. In the measurement ...

05/04/06 - 20060094978 - Apparatus for measurement of living body
Disclosed is an apparatus for measurement of a living body, comprising: a personal data input unit; a basal metabolism input unit; a standard value storage unit; a comparison unit; and a display unit. According to the invention the personal data input unit enters at least an age of a person ...

05/04/06 - 20060094977 - Apparatus for measurement of living body
Disclosed is an apparatus for measurement of a living body, comprising: a personal data input unit; a basal metabolism input unit; a standard value storage unit; a comparison unit; and a display unit. According to the invention the personal data input unit enters at least an age of a person ...

05/04/06 - 20060094976 - Devices and methods for selective surgical removal of tissue
Methods and apparatus are provided for selective surgical removal of tissue, e.g., for enlargement of diseased spinal structures, such as impinged lateral recesses and pathologically narrowed neural foramen. In one variation, tissue may be ablated, resected, removed, or otherwise remodeled by standard small endoscopic tools delivered into the epidural space ...

04/13/06 - 20060079802 - Method and apparatus to detect and monitor the frequency of obstructive sleep apnea
The present invention provides a method and apparatus for detecting and monitoring obstructive sleep apnea. The apparatus includes an intracardiac impedance sensor to measure intracardiac impedance, a movement sensor to measure an amount of movement of a patient, and a controller operatively coupled to said intracardiac impedance sensor and said ...

03/23/06 - 20060064030 - System, method, and apparatus for combining information from an implanted device with information from a patient monitoring apparatus
A data set is generated by an implanted medical device, during operation of the device. The data set includes data characterizing various physiological states of the patient. The data set is communicated from the device to a patient monitoring apparatus. The patient monitoring apparatus develops its own data set by ...

03/23/06 - 20060064029 - Bio-impedance apparatus and method
A method of determining an impedance of at least one lung of a patient having an implanted pacemaker that comprises first and second leads and a case, the method comprising: a) using the leads and the case to acquire at least a first and a second impedance measurement responsive to ...

03/02/06 - 20060047218 - User-retainable temperature and impedance monitoring methods and devices
A user-retainable monitoring system is disclosed. At least a pair of sensors is provided in association with a support member. The support member is preferably of a type that may be worn by or at least temporarily implanted in a patient. Possible sensor types include temperature sensors and impedance sensors. ...

02/16/06 - 20060036186 - Automated impedance measurement of an implantable medical device
Aspects of the present invention relate to automatic impedance measurements between one or more electrodes in a set of electrodes that may be associated with a lead of an implanted device. A voltage measurement that is associated with a stimulation pulse between the two electrodes may be made. The voltage ...

02/09/06 - 20060030783 - Weight and body fat measurement device with temperature measuring capability
A measurement device includes a housing and a display unit mounted on a surface of the housing. A weight measurement unit and body fat measurement unit are disposed in the housing for measuring a load signal and a bioelectrical impedance signal. A temperature measurement unit is disposed in the housing ...

02/02/06 - 20060025701 - Body composition meter
The body composition meter has a pair of current electrodes 3a and 3b disposed between a pair of current electrodes 2a and 2b on adjustable arms 8a and 8b, has a pair of measuring electrodes 4a and 4b disposed between the innermost pair of current electrodes 3a and 3b, generates ...

01/26/06 - 20060020223 - Systems and methods of utilizing electrical readings in the determination of treatment
The present invention relates to a system for determining treatment options from at least two electrical readings. The electrical readings are conductivity measurements of a particular region on the human body. The system utilizes a correlation algorithm to determine the diagnosis which can easily be correlated with appropriate treatments. The ...

01/19/06 - 20060015035 - Impedance spectroscopy system for ischemic mucosal damage monitoring in hollow viscous organs
Alternate embodiments of an impedance spectroscopy method are disclosed for monitoring ischemic mucosal damage in hollow viscous organs. In each embodiment, a sensor catheter is placed inside a patient's hollow viscous organ. Afterwards, the catheter is electrically driven to obtain a complex impedance spectrum by causing two electrodes in the ...

01/12/06 - 20060009710 - Apparatus and method for determination of stroke volume using the brachial artery
Provided herein are methods and apparatus for stroke volume determination by bioimpedance from a patient's upper arm, or brachium, or a patient's thorax, utilizing pulsations of the arteries contained therein. The apparatus includes two or more spaced apart alternating current flow electrodes positioned on the patient's arm or thorax and ...

01/05/06 - 20060004301 - Clinical application of electrical impedance tomography to characterize tissue
The present invention is a system for use in creating images of portions of human tissue inside the body by electrical impedance tomography. The system may comprise at least one flexible tube for insertion in the body in proximity to a targeted portion of human tissue in the body, an ...

01/05/06 - 20060004300 - Multifrequency bioimpedance determination
A method of determining the impedance of a subject is provided. This method involves applying an electrical signal representing a range of superimposed frequencies, and then determining the current flow through and voltage across the subject for a number of the frequencies within the range. The impedance of the subject ...

12/22/05 - 20050283091 - Method and apparatus for determining conditions of a biological tissue
In one method, one or more excitation signals with the same or different frequencies are applied to a biological object such as a tissue, simultaneously or consequently. Response signals are then cross-correlated with delayed excitation signals. Cross-correlation products are then auto-correlated. Cross-correlation products correspond to conditions of the tissue and ...

12/01/05 - 20050267381 - Portable device for monitoring electrocardiographic signals and indices of blood flow
Embodiments of the present invention are directed to a physiological monitoring device which is configured to record signals that reflect blood flow and/or blood pressure, and which may also record ECG signals. In one embodiment, a portable monitoring device comprises a plurality of impedance electrodes configured to be coupled to ...

11/17/05 - 20050256422 - Intubation monitoring apparatus and method
The invention comprises an apparatus and a method for externally assessing and monitoring placement of an endo-tracheal tube for ventilation of patients based on thoracic impedance measurement. ...

11/10/05 - 20050251062 - Iterative approach for applying multiple currents to a body using voltage sources in electrical impedance tomography
Voltage sources produce desired current patterns in an ACT-type Electrical Impedance Tomography (EIT) system. An iterative adaptive algorithm generates the necessary voltage pattern that will result in the desired current pattern. The convergence of the algorithm is shown under the condition that the estimation error of the linear mapping from ...

10/20/05 - 20050234365 - Method and apparatus for accessing oral mucositis
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10/06/05 - 20050222516 - Body fat measurement apparatus
Disclosed is a body fat measurement apparatus comprising an impedance measurement electrode system including a pair of current supplying electrodes and a pair of voltage measurement electrodes, those electrodes adapted for contact with peripheral surface of abdomen of a person under test to measure impedance of the abdomen, on the ...

09/29/05 - 20050215918 - Thoracic impedance monitor and electrode array and method of use
A portable thoracic impedance monitor for monitoring thoracic fluid levels, an electrode array assembly having a single linear electrode array lead with first, second, third, and fourth electrodes arranged sequentially and axially along the linear electrode array lead, and a method of use of the thoracic impedance monitor. A measurement ...

09/22/05 - 20050209529 - Method of acquiring an image of a non-dermatoglyphic zone of the skin or of a zone of the hair by means of acquisition apparatus including a non-optical sensor
The invention relates to a method of acquiring an image of a non-dermatoglyphic zone of the skin or the hair by means of acquisition apparatus comprising a non-optical sensor. ...

09/22/05 - 20050209528 - Body composition measuring device capable of comparing current measured value with past measured value
In a display section, a measured value of information of a living body is displayed on a measured data display section, and a figure representing a human body including body parts such as arm and leg is displayed on a body display section. For example, a percentage of muscle and ...

09/22/05 - 20050209527 - Methods for determining illness, progression to death, and/or timing of death of biological entity
A method for determining illness of a biological entity, progression to non-acute death of the biological entity, and/or timing of non-acute death of the biological entity. A comparison of measured values of resistance, reactance, phase angle, extracellular and intracellular water volumes, and membrane status of whole body and regions of ...

09/15/05 - 20050203438 - Water content probe
A method and system to determine brain stiffness is disclosed. A probe to measure tissue water content is inserted through an aperture (burr hole) in the cranium into brain tissue. The probe has two electrically separated plate conductors with a dielectric which forms a capacitor plane. One conductor has a ...

09/15/05 - 20050203437 - System and method for measuring bioelectric impedance in the presence of interference
A method for measuring bioelectric impedance in real time, in the presence of interference and noise is disclosed. A small electric current is injected into a biopotential electrode system, and then the measurement is tested for contamination by electrical interference or other noise sources. ...

09/15/05 - 20050203436 - Method and system for detecting electrophysiological changes in pre-cancerous and cancerous tissue
A method and system are provided for determining a condition of a selected region of epithelial tissue. At least two current-passing electrodes are located in contact with a first surface of the selected region of the tissue. A plurality of measuring electrodes are located in contact with the first surface ...

09/15/05 - 20050203435 - Skin condition estimating apparatus
There is provided a skin condition estimating apparatus which allows a user to know a skin condition by more sensory characteristics. In impedance measuring means 101, a contact impedance and an internal impedance are measured. In biological equivalent model associated parameter estimating means 102, parameters associated with an equivalent model ...

09/15/05 - 20050203434 - Devices, systems and methods for plaque type determination
Devices, systems and methods are disclosed for determining the composition of a plaque at a plaque site, which could be inside a blood vessel. Through a combination of fluid injection with different conductivities and measurement of the resultant conductances, a parallel tissue conductance measure is obtained that assists in determining ...

09/15/05 - 20050203433 - Methods of organ vitality assessment
A method of organ vitality assessment using bioelectric impedance analysis in a biological model for body composition analysis, and using the results to provide an objective assessment of volume and distribution of tissues, as well as electrical health of cells and membranes of an organ. ...

09/08/05 - 20050197592 - Non-invasive method for disease diagnosis
Diagnostic method, which comprises selecting 24 biologically active points (BAPs), measuring the skin resistance at said points, plotting the average resistance for said points as an isoelectric line and defining a normal corridor. The method is characterized at (A) a stimulation is applied to each of the said points, (B) ...

09/08/05 - 20050197591 - System and method for prebalancing electrical properties to diagnose disease
A system and method for diagnosing the possibility of disease by making electrical measurements in one of a first body part and a second substantially similar body part are described. The present invention balances out differences between homologous body parts that are due to natural factors unrelated to disease, such ...

09/01/05 - 20050192511 - Body composition measuring device
An object of the present invention is to provide a body composition measuring device used in arithmetically deriving an index indicative of body composition in accordance with the bioelectric impedance measuring method, in which a highly accurate calculation result can be obtained with the reduced effect from the fluctuation in ...

09/01/05 - 20050192510 - Method and apparatus for analyzing bioelectrical response waveform information, and diagnostic apparatus thereof
A method for analyzing skin response waveform information obtained by measuring skin impedance with a voltage of a predetermined frequency. A current value at the start of polarization caused by the application of the voltage is determined, followed by determining a current value after a predetermined amount of time from ...

09/01/05 - 20050192509 - Method and system for estimating visceral fat area
There is provided a method and/or a system for estimating a value indicating visceral fat area (VFA) of a subject, in which the estimation of the value indicating visceral fat area is performed by using the product of the Xth power of the height value (Ht) and the Yth power ...

08/25/05 - 20050187486 - Living body measurement apparatus
Disclosed is a living body measurement apparatus comprising: a plurality of electrodes; a current supplying unit; a voltage measurement unit; a switching unit; a controller unit; and a display unit, wherein said plurality of electrodes are each contact with each of parts of a living body, said current supplying unit ...

08/11/05 - 20050177062 - Impedance-based measuring method for hemodynamic parameters
A method is provided for measuring the volume, the composition and the movement of electroconductive body fluids, based on the electrical impedance of the body or a body segment, especially for performing electromechanocardiography (ELMEC) or impedance cardiography (IKG) measurements for determining hemodynamic parameters. According to the method, an alternating measuring ...

08/11/05 - 20050177061 - Method for measuring of edema
The invention relates to a method for measuring tissue edema. By a method in accordance with the invention an electromagnetic probe (24) is placed on the skin, and the capacitance of the probe is proportional to the dielectric constant of the skin and subcutaneous fat, which is proportional to the ...

08/11/05 - 20050177060 - System for displaying quantities of bone, water and/or muscle of body
A display of the quantities of bone, water and/or muscle and a pulse health instrument in which the weight of bone or the weight rate of bone, the quantity of water and/or the quantity of muscle are measured and displayed to serve for sound diet and health management. Body fat ...

08/04/05 - 20050171451 - System and method for managing growth and development of a user
In a system and method for managing growth and development of a user, e.g., a child, the system includes a biological information measuring module for acquiring at least two biological signals to be used for analyzing growth and development of the user, and for identifying the user by analyzing at ...

08/04/05 - 20050171450 - Impedance based reaction performance measuring device
There are provided a device which can measure a reaction performance of a neurotransmission system and that of a muscle expansion/contraction system in a specific body part easily, and gives a direction that a muscle in a specific body part is to be in an unreacted state by muscle unreacted ...

06/23/05 - 20050137495 - Treatment of epilepsy
Biofeedback training can materially reduce the frequency and/or severity of seizures in sufferers from epilepsy, notably those resistant to treatment by way of therapeutic drugs. By training sufferers to decrease their galvanic skin response, which generally corresponds to an increase in vigilance or awareness, it is found that after such ...

06/09/05 - 20050124909 - Body fat measuring device
Disclosed is a body fat measuring device for measuring body fat of an animal, comprising: an individual information input unit; a bioelectric impedance input unit; a morphological measurement value input unit; an impedance-based calculation unit; a morphological measurement value-based calculation unit; and a calculation switching unit. According to the present ...

06/09/05 - 20050124908 - Monitoring thoracic fluid changes
Changes in fluid volume in a thoracic region, such as the lung, are detected by internally injecting a current through the region, detecting an induced voltage on the skin of the patient, and calculating an impedance value. A method for performing such a measurement includes injecting an electrical current between ...



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