Abstract: A method comprises identifying P-waves within a cardiac signal stored by a medical device for a cardiac episode detected by the medical device, and calculating a gain factor for display of the cardiac signal based on the identified P-waves.

Abstract: A multi-dimensional audiogram providing apparatus includes a processor; and a memory connected to the processor, and the memory stores program instructions that, when executed, cause the processor to output a pure tone audiogram related to a hearing threshold for a subject measured in N frequency on a first surface of a polyhedron; to define a plurality of harmonic templates by rearranging the N frequency bands into a frequency set including a plurality of element frequencies; to calculate a standard deviation of hearing thresholds of a plurality of element frequencies to calculate a harmonic template instability degree; to output the calculated harmonic template instability degree on a second surface of the polyhedron; to calculate an average of the hearing thresholds of the plurality of element frequencies to calculate a harmonic template hearing; and to output the calculated harmonic template hearing on a third surface of the polyhedron.

Abstract: The present invention relates to a device (10) for determining an arterial compliance of a subject (12). The device (10) comprises an inflatable cuff (14), a pressure sensor (18) which is configured to sense a pressure signal (52) that is indicative of a pressure within the cuff (14), a second sensor (20) which is at least partly integrated in the cuff (14) and configured to sense a second signal (56) that is responsive to expansions and contractions of the cuff (14) caused by a pulsating blood flow in an artery (50) of the subject (12), and a processing unit (22). The processing unit is configured to determine based on said part of the pressure signal (52) a pulse pressure of the subject (12), to determine based on said part of the second signal (56) an arterial volume change of the artery (50) of the subject (12) during at least one cardiac cycle, and to determine the arterial compliance of the subject (12) based on pulse pressure and the arterial volume change.

Abstract: A vaginal dilation device is provided that may include any of a number of features. One feature of the vaginal dilation device is that it is configured to dilate vaginal tissue during labor to prevent tissue damage. Another feature of the vaginal dilation device is that it can be manually controlled to dilate vaginal tissue, or can be automatically controlled to dilate vaginal tissue. In some embodiments, the vaginal dilation device is configured to measure a force applied by the device to tissue. In other embodiments, the vaginal dilation device is configured to apply a constant force to tissue. In other embodiments, the vaginal dilation device is configured to expand at a constant rate. Methods associated with use of the vaginal dilation device are also provided.

Abstract: A medical apparatus includes a bendably deformable portion, a deforming-force-transmitting mechanism that is connected to a part of the bendably deformable portion, and an operation portion that applies a deforming force or a shape retaining force to the bendably deformable portion by controlling a tension applied to the deforming-force-transmitting mechanism.

Abstract: Disclosed is a hormone electrochemical biosensor, e.g. an amperometric biosensor, for the detection of a hormone and measurement of the concentration of a hormone. The disclosed hormone biosensor comprises a hormone-catalyzing enzyme, such as KSDH1. Also described herein are systems comprising an amperometric biosensor, e.g., chronoamperometric biosensor and methods of using the chronoamperometric biosensor.

Abstract: A computer system generates a computer-guided personal care routine based at least in part on a digital model of a user's face. In an embodiment, a computer system generates the model based on one or more images or scans of the user's face, and generates a computer-guided personal care routine based on the model, environmental data (e.g., temperature data, humidity data, pollution data, UV radiation data), and user data. In an embodiment, a routine generated on this basis includes multiple steps to be carried out using a computer-controlled skin care device as well as user prompts related to execution of such steps that are configured to be presented in a user interface. In an embodiment, the computer-guided routine includes one or more operational settings (e.g., brush head speed, cleansing duration) for the computer-controlled skin care device that are automatically set at appropriate times according to the generated routine.

Abstract: A wire guide includes a solid core mandrel that is initially received in a flat wire coil that has a rest inner diameter that is greater than a uniform diameter of the solid core mandrel. The flat wire of the flat wire coil is in tension between a proximal location and a distal location so that the flat wire coil has a reduced inner diameter that is smaller than its rest inner diameter. The tension in the flat wire is introduced by torquing the mandrel relative to the flat wire coil as part of attaching the coil to the mandrel.

Abstract: Provided are a fluid control device capable of operating a piezoelectric pump even in a case where a low discharge pressure or a slow pressurization speed is required and a sphygmomanometer including the fluid control device. A fluid control device includes a piezoelectric pump that includes a piezoelectric element, a self-excited circuit that performs, upon application of a driving power source voltage thereto, self-excited oscillation to drive the piezoelectric element, a switch that interrupts the driving power source voltage for the self-excited circuit, and a control circuit that changes an on duty ratio of the self-excited circuit by switching between states of the switch at a predetermined switching frequency and a predetermined on duty ratio.

Abstract: An apparatus for measuring electrodermal activity can include a first electrode in contact with a first portion and a second electrode in contact with a second portion of a stratum corneum, and in electronic communication with the second electrode through the stratum corneum. A processing module is electrically coupled to the first electrode and the second electrode and is operable to (a) bias the first electrode at a first voltage V+ and the second electrode at a second voltage V? (b) measure a current flowing between the first electrode and the second electrode, the current corresponding to the conductance of the stratum corneum, (c) subtract a compensation current from the measured current (d) measure a resulting current producing an amplified output voltage (e) measure a conductance of the stratum corneum, and (f) adjust at least one of the first voltage, the second voltage and the compensation current to desaturate the output voltage.

Abstract: A measurement method includes a first measurement in which a characteristic amount of a specific analyte in a biological fluid is measured with a biosensor. The method also includes a second measurement in which motion information of living activity is measured. Additionally, the method may include recording the motion information and the characteristic amount measured in the first measurement with the motion information and characteristic amount associated with each other.

Abstract: A system for monitoring infant feeding habit includes a nipple having an embedded pressure sensing passage and pressure sensing opening. The pressure sensing opening is proximate the nipple feeding opening. The pressure sensing passage allows monitoring of change in pressure of infant sucks and swallows throughout feeding.

Abstract: An electrical impedance tomography system with frequency division multiplexing based data compression comprising electrodes, a connecting line, an electrical impedance tomography chip, a universal serial bus and a computer. The present invention realizes the proposed electrical impedance tomography system by innovative application of frequency division multiplexing technology, and has the advantages of low power consumption and improved hardware overheads. The architecture of the 13-channel electrical impedance tomography chip introduced in the embodiment of the present invention, which applies the frequency division multiplexing based data compression technology, has taped out using CMOS 0.13 micrometer process; the power consumption per channel turns out to be 118 microwatts and the area is 0.87 square millimeters, verifying the effectiveness of the present invention. The present invention can also be migrated to other applications of electrical impedance tomography.

Abstract: Example embodiments include devices and systems that detect apnea events of a user. The device includes a first sensor configured beside the head of the user for capturing snoring sounds of the user, a second sensor configured on one finger of the user for capturing cardiovascular parameters of the user, a third sensor configured under the trunk of the user for capturing e breathing movements of the user, a data recorder that is connected with the first sensor, the second sensor and the third sensor for receiving recordings therefrom, and a clock for synchronizing the recordings in real time. The recordings include one or more breathing events including snoring events, heart rate and SPO2 conjunction spikes, and breathing movement cessations. The time periods that apnea events are impossible can be excluded according to a combination of the breathing events, and the apnea events can be detected thereafter.

Abstract: A biopsy device includes a body, a needle, a cutter, and a cutter drive mechanism. The needle extends distally from the body. The cutter is movable relative to the needle to sever a tissue sample. The cutter drive mechanism is driven by a rotary drive cable and is configured to both rotate and translate the cutter. The cutter drive mechanism is further configured to reverse the transition direction of the cutter wile the drive provided by the rotary drive cable is in a continuous rotary direction.

Abstract: A device for measuring elasticity of a tissue of an object is disclosed. It comprises a base portion comprising contact means for contacting the tissue. It also comprises a palpation probe for pushing down on the tissue comprising a palpation pen for pushing down the tissue and a force measuring means for determining a palpation force applied to the palpation probe and/or a displacement measuring means for determining a displacement of the palpation pen being representative for a displacement of the tissue. The device also comprises a swiveling handle mounted pivotally to the base portion for positioning the device and for distributing a positioning force along the at least two contact points in a predetermined manner.

Abstract: An intravenous therapy system may include a hollow needle comprising a distal end and a proximal end, the distal end comprising a sharp tip for insertion into a vein; an infrared (IR) camera placed within a hollow portion of the hollow needle, including: an IR detector; a first light source to emit a first wavelength of IR light; and a second light source to emit a second wavelength of IR light; a comparator to, upon execution of a processor communicatively coupled to the comparator, compare an amount of reflected light received at the IR detector during activation of the first light and second light and provide an indication of light absorption within a vein.

Abstract: The invention relates to systems for temperature and humidity monitoring under garments and is characterized by that it contains at least one internal electronic module located under the garment and an external electronic module with sensors for temperature and humidity monitoring, storage devices connected to the electronic modules wirelessly (for example, via Bluetooth), and the receiving device, which provides the user with the possibility to monitor the current temperature and humidity of the observed object.

Abstract: A robotic system comprises an instrument including proximal distal sections. The distal section comprises a steerable segment and a distal tip. The instrument also includes a main lumen and a pull wire. The system also comprises a sensor to detect a position of the distal tip of the instrument and a computing device that causes the system to record a position of a working configuration of the distal tip, determine, based on a sensor signal, a movement of the distal tip in response to insertion of a probe into the main lumen, and generate a control signal based on the determined movement. The system also comprises a drive interface connected to the pull wire at the proximal section of the instrument. The drive interface adjusts a tensioning of the pull wire based on the control signal to return the distal tip towards the working configuration recorded before the movement occurred.

Abstract: According to one aspect of the invention, there is provided a method for monitoring hemodynamics, comprising the steps of: acquiring information on a posture of a first subject wearing a monitoring device; estimating a motion artifact predicted to be included in a spectroscopic measurement signal from the first subject which is measured by the monitoring device, with reference to the acquired information on the posture of the first subject, and a motion artifact estimation model for defining a correlation between a posture of at least one subject and a motion artifact occurring in a signal measured from the at least one subject; and removing the estimated motion artifact from the measurement signal from the first subject.