Abstract: A disclosed endoscopic device includes a front cabinet unit including an optical system provided with a phase modulation element which modulates a space distribution of a phase of light; and a rear cabinet unit detachably connected to the front cabinet unit, the rear cabinet unit including an imaging unit which receives light transmitted through the optical system of the front cabinet unit, and converts the light into an electrical signal.

Abstract: The present invention discloses an endoscopic sleeve apparatus for mitigating propulsion-related epithelial tearing, said apparatus comprising: an elastomeric, pliable, and rotatable sleeve for encasing an elongated shaft member of an endoscope; any one of a right-turn or left-turn helical threading disposed on the outer surface of the sleeve from a proximal base of the endoscope and radially extending to a distal tip of the endoscope; a distal tip port opening configured for allowing at least one channel and, or lumen axially disposed within the elongated shaft member of the endoscope to be engaged to the distal tip port opening for release and, or capture of any agent; a proximal end housing comprising at least one motor coupled to at least one actuator gear, whereby said actuator is in operable communication to the rotatable sleeve via a sleeve-actuator junction seal; a finger-led control disposed on a surface of the proximal end housing and operably coupled to the motor and, or actuator gear for triggerin

Abstract: Provided is an endoscope holder capable of turning or swinging an endoscope inserted into a body with the endoscope fixed at a predetermined insertion position. An endoscope holder (1) includes a holder main body (3) having an insertion hole (2), gripping members (7a) and (7b) configured to pinch an endoscope E inserted into the insertion hole (2), first elastic members (12a) and (12b) configured to urge in a direction in which the gripping members (7a) and (7b) are separated from each other, a pressing member (13) configure to press the gripping member (7a) toward the gripping member (7b), a switching mechanism (17) configured to hold or release a pressing state, rollers (10) provided in gripping members (7a) and (7b), and a second elastic member (15) configured to swingably support the gripping member (7b).

Abstract: A bite block (100) for use during endoscopic examination, comprising: —a bite block frame (101) sized and adapted to be fitted around a patient's mouth (401), —biting means (110) having a through hole (111) allowing a tube (301) to run through it, wherein the biting means protects the tube from the teeth of a patient (400) when in use, and —expanding means (122) connected to control means (200) for controlling the level of expansion of the expanding means, —wherein said expanding means are arranged onto holding means (120) being sized and adapted to be removably fitted into said trough hole of said biting means and wherein said holding means also comprise a through hole (121) allowing said tube to run through it. The bite block may be used without the holding means in the cases where no stopping function is needed.

Abstract: A pericardial-cavity observing method including: a step of inserting an endoscope sheath and an endoscope into a space between the heart and the pericardium; a step of disposing a protruding portion closer to the pericardium than an optical member is so that an angle that is formed between a centerline that passes through a center of the protruding portion and a center of the optical member and a tangent of the pericardium that passes through a foot of a perpendicular line drawn, from the center of the optical member of the endoscope, to the pericardium sagging down from the protruding portion toward the heart becomes greater than an angle formed between the centerline and an external common tangent of the protruding portion and the optical member; and a step of observing the heart by means of the endoscope.

Abstract: Provided is a method for tracking a position of a capsule endoscope including: receiving, by an apparatus for tracking a position of a capsule endoscope, an image captured by the capsule endoscope; distinguishing, by the apparatus for tracking a position of a capsule endoscope, a gastrointestinal tract junction from the image using a machine-learned classification model based on the gastrointestinal tract junctions; and tracking, by the apparatus for tracking a position of a capsule endoscope, the position of the capsule endoscope based on the distinguished gastrointestinal tract junctions.

Abstract: An electronic endoscope system includes: an imaging element for imaging a subject illuminated alternately with narrow-band light and broadband light; generating, as a first image signal, an image signal of the subject imaged during an illumination period of the narrow-band light; and generating, as a second image signal, an image signal of the subject imaged during an illumination period of the broadband light. The system also includes a signal processing circuit for generating a high-intensity image signal by adding the first and second image signals together; for generating a low-intensity image signal by adding the first and second image signals together after a signal level of the second image signal is reduced and for generating an HDR image signal using the high-intensity and low-intensity image signals.

Abstract: A medical light source device includes: a first solid state light emitting element configured to emit first color light; a second solid state light emitting element configured to emit second color light; a third solid state light emitting element configured to emit third color light; a fourth solid state light emitting element configured to emit fourth color light; and a color synthesis optical device configured to synthesize the first color light, the second color light, the third color light, and the fourth color light. The color synthesis optical device includes a first color separation surface, a second color separation surface disposed to intersect with the first color separation surface, and a third color separation surface disposed on a light path latter stage with respect to the first color separation surface and the second color separation surface.

Abstract: One aspect of the invention provides a trocar including: a central cylinder defining a central channel and having a distal end adapted and configured for insertion within a subject; one or more gas outlets located within the central cylinder proximate to the distal end of the trocar; and one or more liquid outlets located within the central cylinder on a proximal side of the one or more gas outlets. The one or more liquid outlets are adapted and configured to dispense a liquid when an endoscope is withdrawn from a fully extended position within the central channel of the trocar to a position proximate to the one or more liquid outlets. Distal advancement of the endoscope to a position adjacent to the one or more gas outlets removes liquid from a distal end of the endoscope.

Abstract: In one aspect of the present disclosure is an endotracheal intubation system for performing an endotracheal intubation, comprising: a laryngoscope including a laryngoscope blade, the laryngoscope including a channel having a plurality of recesses configured to releasably engage an ETT/DLT carrier/holder; an endotracheal tube releasably secured to the ETT/DLT carrier/holder by fixation means; and a coaxial stylet for the endotracheal tube, the coaxial stylet including inner and outer stylets and an inner stylet steering arm.

Abstract: An ophthalmic imaging device includes a first optical system, a second optical system, and a wavelength splitting member. The first optical system irradiates light whose center wavelength is a first wavelength region being an infrared region. The first optical system includes an optical coherence tomography unit and an imaging element. The second optical system irradiates light whose center wavelength is in a second wavelength region. A wavelength of the second wavelength region is shorter than a wavelength of the first wavelength region. The second optical system includes a fixation light source and a short wavelength optical system. The wavelength splitting member is disposed on a common optical path of the measuring light, an anterior ocular segment photographing light, a fixation light, and a short wavelength light. The wavelength splitting member divides the common optical path into a first optical path and a second optical path.

Abstract: A system for replicating a standardized visual acuity test, such as the 20? Snellen test may comprise a binocular viewer attached to a smartphone. A binocular viewer may comprise a housing comprising a pair tube covers having voids allowing for viewing through a pair of lens tubes with each lens tube in visual communication with a second lens a first lens an aperture and a front cover. The optical systems use an artful combination of front and back lens surfaces, demagnification and other systems to faithfully replicate the sight lines perceived by a user of a traditional 20? test. The system also allows for the incorporation of other tests conducted with both eyes including Color Sensitivity and Contrast, furthermore by placing a deformable, tunable lens between the second lens and the eye the device serves as an ophthalmic refractometer, allowing a Spherical Equivalent refraction estimate for each eye.

Abstract: The present disclosure provides a gaming system including an application that can be implemented using a dynamic testing game, wherein the system does not require glasses, goggles, or any other headwear. The system enables a test subject to be screened and treated for vision dysfunctions while engaging with a dynamic video game.

Abstract: Mobile computer devices and systems for refraction determination of an eye, for example for objective refraction determination and/or subjective refraction determination, are provided. Here, a display of the mobile computer device can be driven to display an image for refraction determination.

Abstract: OCT-display for vitreoretinal surgery may be foot pedal controlled. Specifically, the tissue layers displayed in an en face image generated from OCT scanning may be navigated downward or upward based on user input supplied by a foot pedal device.

Abstract: A vision screening apparatus conducts a photorefraction ocular screening test to generate refractive error data. Based on the refractive error data, a Snellen equivalent is determined. An evaluated person distance from the vision screening apparatus is also determined and used to generate an adjusted optotype size. The vision screening apparatus displays the optotype, adjusted for the Snellen equivalent and the evaluated person distance.

Abstract: The technology described herein is directed to a fundus camera and, more specifically, to a fundus camera having a display that projects active visual alignment stimuli onto an eye of an examinee via one or more components of an optimal assembly. The active visual alignment stimuli are dynamically adjusted to guide an examinee toward optical alignment for fundus imaging.

Abstract: Provided herein are systems and methods to measure the intraocular pressure, ocular tissue geometry and the biomechanical properties of an ocular tissue, such as an eye-globe or cornea, in one instrument. The system is an optical coherence tomography subsystem and an applanation tonometer subsystem housed as one instrument and interfaced with a computer for at least data processing and image display. The system utilizes an air-puff and a focused micro air-pulse to induce deformation and applanation and displacement in the ocular tissue. Pressure profiles of the air puff with applanation times are utilized to measure intraocular pressure. Temporal profiles of displacement and/or spatio-temporal profiles of a displacement-generated elastic wave are analyzed to calculate biomechanical properties.

Abstract: Disclosed are various examples and embodiments of systems, devices, components and methods configured to detect a location of a source of at least one cardiac rhythm disorder in a patient's heart, such as atrial fibrillation, and to classify same. Velocity vector maps reveal the location of the source of the at least one cardiac rhythm disorder in the patient's heart, which may be, by way of example, an active rotor in the patient's myocardium and atrium. The resulting velocity vector map may be further processed and/or analyzed to classify the nature of the patient's cardiac rhythm disorder, e.g., as Type A, B or C atrial fibrillation. The resulting cardiac rhythm classification then can be used to determine the optimal, most efficacious and/or most economic treatment or surgical procedure that should be provided to the individual patient. A simple and computationally efficient intra-cardiac catheter-based navigation system is also described.

Abstract: The present invention provides an electronic device including a first electrode set and a second electrode set with an optical sensor. The first electrode set is arranged to contact a first position of a human body, and the second electrode set with the optical sensor is arranged contact a second position of the human body, to receive a plurality of physiological signals to determine at least two physiological features simultaneously.

Abstract: According to an example embodiment, there is provided a method in a device including a sensor portion for deriving, on basis of one or more sensor signals that are descriptive of respective characteristics of a body of a living subject, at least a first biometric signal that is descriptive of a first biometric characteristic of said subject, the method including detecting presence of another device that is capable of providing, over a wireless link, information carried in a second biometric signal that is descriptive of a second biometric characteristic of the same subject, receiving, from the detected device via the wireless link, one or more values of the second biometric characteristic carried in said second biometric signal and selectively enabling or disabling derivation of said first biometric signal in dependence of said one or more values of the second biometric characteristic received from said detected device.

Abstract: A system and method for wirelessly and passively powering and/or interrogating an implanted stent using a touch probe assembly through a near-field electrical connection not over an air interface. The stent apparatus includes at least one stent member functioning as an antenna and an electronics module coupled to the at least one stent member. Also, a wirelessly and passively powered power meter for use with implanted stents. The power meter includes an electronics module coupled to a stent member, wherein the electronics module includes a programmable oscillator structured to generate an oscillating signal that is proportional to an amount of AC power received by the implantable stent apparatus power meter through the stent member.

Abstract: A system for providing intraoperative feedback to a user during the course of surgery. A core imaging unit provides low-coherence optical radiation coupled to a sampling device and generates optical coherence tomography (OCT) data based on combining scattered light received from the sampling device together with a reference signal. The sampling device is adapted to receive the low-coherence optical radiation from the core imaging unit and to illuminate the tissue, and to collect light scattered by the tissue and to return said light to the core imaging unit. A core software unit receives the OCT data from the core imaging unit provides real-time feedback, such as an image, to the user via an indicator.

Abstract: Light-based non-invasive blood pressure measurement systems and methods that include a sensor having a light emitter and a light detector are disclosed. The light emitter emitting coherent or non-coherent light that is transmitted into and reflected from the tissues of the patient, including reflecting from moving blood. The light reflected from the moving blood being having a Doppler shift and detected by the light detector to generate a non-invasive blood pressure signal. The non-invasive blood pressure signal is processed to determine the instantaneous velocity of the blood. Additionally, pulse wave velocity data is obtained nearly, or substantially, simultaneously with the acquisition of the non-invasive blood pressure signal. Using the pulse wave velocity, the instantaneous velocity of the blood and a density of the blood, an instantaneous blood pressure can be determined.

Abstract: In a method for diagnosing, validation of diagnosis and treating a patient having lesions in both arteries of left and right lower limbs. By determining that a smaller vessel diameter lesion to be treated first, catheters and an operation time can be reduced is to be treated first on a priority basis based on diagnostic data, deciding that a larger vessel diameter lesion is to be treated next, then treating the lesions substantially continuously.

Abstract: A method for diagnosing, validation of diagnosis and treating a patient having lesions in both arteries of left and right lower limbs. By determining that a larger vessel diameter lesion to be treated first, catheters and an operation time can be reduced is to be treated first on a priority basis based on diagnostic data, deciding that a smaller vessel diameter lesion is to be treated next, then treating the lesions substantially continuously.

Abstract: In a method for diagnosing, validating and treating a patient having lesions in both arteries of left and right lower limbs. By determining that a smaller curvature of lesion to be treated first, catheters and an operation time can be reduced is to be treated first on a priority basis based on diagnostic data, deciding that a larger lesion curvature is to be treated next, then treating the lesions substantially continuously.

Abstract: A plurality of modules are simultaneously positioned at locations that correspond to different angiosomes. Each of these modules has a front surface shaped and dimensioned for contacting a person's skin, a plurality of different-wavelength light sources aimed in a forward direction, and a plurality of light detectors aimed to detect light arriving from in front of the front surface. Each module is supported by a support structure (e.g., a strap or a clip) that is shaped and dimensioned to hold the front surface adjacent to the person's skin at a respective position. Perfusion in each of the angiosomes is monitored using these modules, and the surgeon can rely on this information to guide his or her intervention.

Abstract: A method for measuring sound from vortices in the carotid artery comprising: a first and second quality control provisions, wherein the quality control compares detected sounds to pre-determined sounds, and upon confirmation of the quality control procedures, detecting sounds generated by the heart and sounds from vortices in the carotid artery for at least 30 seconds. A method for determining stenosis of the carotid artery in a human patient consisting of a first step of placing a sensing device comprising an array and three sensing elements onto the patient, wherein a first sensing element is placed near the heart and the two remaining sensing elements are placed adjacent to the carotid arteries; the sensing elements then measure sounds from each of the three sensing elements, resulting in sound from three channels. The sound is measured in analog and modified to digital format and then each of the three channels are analyzed before a power spectral density analysis is performed.

Abstract: A biological information detection apparatus includes: a camera; a frame image analysis unit that detects a region including pixels having a predetermined skin color, as a skin color region, from a frame image taken using the camera, and detects a signal corresponding to a light wavelength from an image signal of each pixel included in the skin color region, as skin color wavelength data; a skin color wavelength difference detection unit that calculates an average value of differences of the skin color wavelength data from predetermined reference wavelength data for the pixels included in the skin color region, and acquires the average value as average wavelength difference data; a pulse wave signal detection unit that detects a signal obtained by smoothing the average wavelength difference data detected in time series, as a pulse wave signal.

Abstract: An apparatus for measuring bio-information includes a pulse wave sensor configured to emit light having a plurality of wavelengths onto an object, and to detect a multi-wavelength pulse wave signal from the object; and a processor configured to obtain a contact pressure signal based on the multi-wavelength pulse wave signal, the contact pressure signal indicating a pressure between the object and the pulse wave sensor, and to generate information regarding a measurement state of the object based on the contact pressure signal.

Abstract: An adapter includes a substantially rigid body having a distal portion, a proximal portion, a central opening formed at least in part by an inner wall of the body, and a longitudinal axis extending substantially centrally through the opening. The distal portion includes an annular ring having a top surface and a ridge disposed opposite the top surface, the ridge extending substantially perpendicular to the longitudinal axis. The distal. The adapter also includes a seal configured to form a substantially fluid-tight seal with a surface of a fitting removably attachable to the adapter.

Abstract: An adapter includes a substantially rigid body having a distal portion, a proximal portion, a central opening formed at least in part by an inner wall of the body, and a longitudinal axis extending substantially centrally through the opening. The distal portion includes an annular ring having a top surface and a ridge disposed opposite the top surface, the ridge extending substantially perpendicular to the longitudinal axis. The distal. The adapter also includes a seal configured to form a substantially fluid-tight seal with a surface of a fitting removably attachable to the adapter.

Abstract: A method of measuring blood pressure is disclosed. The method includes receiving electrocardiogram information and blood flow rate information from a first sensor module, calculating a pulse transit time on the basis of the electrocardiogram information and the blood flow rate information, calculating a mean blood pressure value of a user on the basis of the pulse transit time, receiving a reference data from a second sensor module, and calculating a diastolic blood pressure value and a systolic blood pressure value of the user on the basis of the mean blood pressure value and the reference data. Because the present invention continuously measures blood pressure for 24 hours in a non-pressing manner, there is an effect in that abnormal signs of the blood pressure may be easily checked.

Abstract: Cardiac catheterization is facilitated by generating first and second electroanatomic maps of a heart of a subject and designating common spatial locations that correspond to first electrical events on the first electroanatomic map and second electrical events on the second electroanatomic map. The common spatial locations of the first electroanatomic map and the second electroanatomic map are aligned to establish an aligned map, and using the location data on the aligned map to guide a probe to a point of interest.

Abstract: Embodiments of the invention are directed to systems, methods, and computer program products for electroencephalogram triggered resource distribution query. In this way, the system may generate a spectral analysis baseline electroencephalogram reading for a user that can be segmented and analyzed based on a specific time span associated with a known stimulus or event, and diagnostic applications generally focus on either event-related potentials or the like. The system may utilize EEG recognition to identify a user baseline and for tiered velocity/frequency tolerance identification of resource distribution. In this way, based on a tiered velocity/frequency tolerances of the user or the resource distribution system, the user may be alerted of an action control network for management of the resource distribution upon an EEG reading during initiation of the resource distribution.

Abstract: A device for reducing traumatic brain injury comprises a first sensor, a first linkage element, and a processing element. The first sensor is coupled to a head component and configured to measure an acceleration of a user's head and to generate a sequence of real-time measured samples. The first linkage element is configured to connect the head component to a body component and is able to switch between a first state in which it is relatively flexible and a second state in which it is relatively rigid. The first linkage element is switched from its first state to its second state by a locking signal. The processing element is configured to receive the real-time measured samples and to generate the locking signal when each of a portion of the real-time measured samples is greater than one of a corresponding portion of a plurality of dynamic concussion thresholds.

Abstract: The present invention addresses the problem of providing a muscle activity measurement device and a muscle activity measurement method which make it possible to measure the muscle activity of an object to be sensed with increased accuracy. The muscle activity measurement device 1 according to the present invention is provided with a magnetic sensor unit 11 which senses a magnetic field generated from a living body, and an identification means which identifies an installed direction of the muscle activity measurement device 1. The identification means includes an indication 24, on a surface of a container 20, which comprises identification information for installing the muscle activity measurement device 1 in such a way that a magnetism sensing direction X of the magnetic sensor unit 11 and the direction in which the muscle fibers of the living body as the object to be sensed extend are substantially orthogonal to each other.

Abstract: A method for delineating a ventricle from MRI data relating to the heart of a patient, the method comprising: a) providing a contrast-enhanced cine MRI dataset; b) providing one or more additional MRI datasets; c) segmenting one or more features on the additional MRI dataset or datasets; d) mapping the segmented features to the contrast-enhanced cine MRI dataset; and e) using the segmented features as mapped in step d) to assist segmentation of the ventricle on the contrast-enhanced cine MRI dataset. A corresponding device and computer program are also disclosed.

Abstract: A control device establishes a change in a main magnetic field expected for a respective time instant and based on the established expected change in the main magnetic field, correctively adjusts the main magnetic field and/or a nominal receive frequency of the RF receive coil and/or a transmit frequency for subsequent RF transmit pulses and/or takes the expected change in the main magnetic field into account in the evaluation of the received MR signals. At least for some of the RF transmit pulses, the control device acquires, via a sensor device, a portion of the respective radiofrequency wave supplied to the RF transmit coil. The controller extracts therefrom an oscillation corresponding to a respiratory motion of the patient and based on the variation with time of the extracted oscillation, establishes the change in the main magnetic field expected for the respective time instant.

Abstract: The invention relates to a rod-shaped body (1) comprised of one or more filaments (2) and of a non-ferromagnetic matrix material (3). The matrix material (3) surrounds the filament(s) (1) and/or adheres them to one another. The rod-shaped body is also comprised of a dopant consisting of particles that generate magnetic resonance tomographic artifacts that is introduced into the matrix material (3). Rod-shaped bodies of this type can be used to construct guide wires, catheters and other instruments to be used in minimally invasive surgical interventions.

Abstract: A method and apparatus of determining the condition of a bulk tissue sample, by: positioning a bulk tissue sample between a pair of induction coils (or antennae); passing a spectrum of alternating current (or voltage) through a first of the induction coils (or antennae); measuring spectrum of alternating current (or voltage) produced in the second of the induction coils (or antennae); and comparing the phase shift between the spectrum of alternating currents (or voltages) in the first and second induction coils (or antennae), thereby determining the condition of the bulk tissue sample.

Abstract: A system for cardiac treatment includes a monitoring probe having a probe distal end, a magnetic field generator coupled to the probe distal end, a catheter having a catheter distal end, a magnetic sensor coupled to the catheter distal end, and a console. The monitoring probe is configured for insertion into an esophagus of a patient. The catheter is configured for insertion into a heart of a patient. The console is configured to drive the magnetic field generator to emit magnetic fields, to receive signals from the magnetic sensor in response to the magnetic fields, and to estimate respective distances between the catheter distal end and the probe distal end based on the signals.

Abstract: This disclosure relates to portable devices and methods for detecting and identifying one or more compounds in the breath of a subject. In some embodiments, the devices and methods described herein detect and identify one or more compounds in real time.

Abstract: A pulmonary function measurement device, a pulmonary function measurement method, and a pulmonary function measurement program are provided which are non-invasive and can operate with a reduced burden on a measurement subject. The pulmonary function measurement device for measuring data for evaluating a pulmonary function includes a sound output unit that is capable of being fixed to a part of a body surface near ribs, and outputs a sound toward the ribs; a sound detection unit that is capable of being fixed to a part of a body surface near the ribs toward which the sound is to be output, and detects a sound that is transmitted from the sound output unit through the ribs; and an attenuation calculation unit that calculates an acoustic attenuation from information on the sound output by the sound output unit and the sound detected by the sound detection unit.

Abstract: Systems and methods for measurement of end tidal carbon dioxide, including a device having a body and a tubular gas line. The body is adapted to be attached to a patient airway and has a first gas line securing portion which has an aperture through it and is adapted to secure the gas line to the body. The tubular gas line is secured in the aperture. The tubular gas line has a proximal portion extending from a proximal end of the aperture and has a proximal end which is adapted to be connected to an end tidal CO2 monitor. The tubular gas line also has a distal portion extending from a distal end of the aperture and having a distal end which provides an inlet for end tidal CO2 exhaled by a patient.

Abstract: Methods, systems, and devices for measuring respiratory parameters from an ECG device are described. The method may include receiving an electrocardiogram (ECG) signal associated with a patient. The method may further include detecting a change in modulation of the ECG signal between a first portion of the ECG signal and a second portion of the ECG signal. The method may further include determining a change in respiratory effort of the patient based at least in part on the change in modulation.

Abstract: Systems and methods use a three-dimensional snapshot of an infant, child, adolescent, or adult where the subject may have bent legs and an unaligned head position, to provide an estimate of human length. The system identifies anatomical features from the digital information and generates a virtual skeleton. The cumulative distances between pseudo-joints of the virtual skeleton provide an estimate of human length. Comparing length estimates from multiple three-dimensional snapshots of the same individual acquired over time provide an indication of growth of the infant, child, or adolescent. Daily estimates of length can detect growth faltering sooner than less frequent estimates of length, which can lead to timely intervention.

Abstract: A gait monitoring and stimulation device utilizing multiple sensors for actively monitoring for gait freezing events and utilizing multiple types of gait stimulation cues or modes in response to the detection of a gait freezing event experienced by a user. The gait monitoring and stimulation device utilizes global positioning system geographic data, accelerometer data, and audio data to determine whether a gait freezing event is likely being experienced by a user. A laser device used in conjunction with a lens having a diffractive optical element, is utilized to project a visual cue comprising the image of a descending staircase onto the ground in front of the user of the device. Auditory stimulation cues are also provided. One or more accelerometers monitor the orientation of the device, deactivating the laser if the device orientation exceeds a threshold angle likely to lead to eye damage caused by the laser.

Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.