Abstract: A cable connection substrate includes: a first substrate that is provided with, on a front surface of the first substrate, a first connection electrode to be connected to a sensor electrode of an imaging element, and provided with a second connection electrode on a back surface side of the first substrate; and a second substrate that is provided with, on a front surface of the second substrate, a third connection electrode to be connected to the second connection electrode, and provided with, on a top surface side of the second substrate, the top surface being a side surface perpendicular to the front surface of the second substrate, a plurality of cable connection electrodes to be connected to a plurality of cables. A sum of effective conductor areas of the plurality of cable connection electrodes is greater than a sum of effective conductor areas of the third connection electrode.

Abstract: A calculation system is constituted by: one light source apparatus configured to irradiate illuminating light; a wavelength selection unit configured to select light of at least two specific wavelength regions included in the illuminating light; an image sensor configured to receive light from biological tissue, which is a subject, and output pixel signals corresponding to the received light; and a signal processing unit configured to perform predetermined signal processing on the pixel signals output from the image sensor. In this configuration, the signal processing unit calculates an index indicating a concentration of a predetermined biological substance included in the biological tissue, based on the pixel signals output from the image sensor according to the light of the at least two specific wavelength regions.

Abstract: A living body observation system includes a light source apparatus, a camera unit having a plurality of pixels that receive light from a subject to generate an image pickup signal, an image processing section and a control section. The image processing section has a white light observation image generation mode and a deep blood vessel observation image generation mode, and generates color images of the respective modes. The control section performs control to switch an observation image generation mode to the deep blood vessel observation image generation mode from the white light observation image generation mode when a size of a region of blood in a color image becomes equal to or more than a predetermined value.

Abstract: An illuminated dental mirror includes an elongated body that has a handle portion and a tip portion. A light source is disposed within the elongated body and is operable to emit light longitudinally along the elongated body to a deflector disposed at an interior chamber of the tip portion. The deflector is configured to redirect light laterally out of the tip portion of the elongated body. A disposable mirror head is removably attached over the tip portion. The mirror head includes a base portion and a mirror portion. The base portion of the mirror head has a translucent material configured to transmit the light redirected by the deflector to a desired area outside the mirror head. The mirror portion that extends at an angle from the base portion and comprises a mirror that is configured for a user to view the desired area illuminated by the light source.

Abstract: A vibrating dental device, including: an elongated handle, wherein the handle further includes a vibrator configured to generate vibrations with at least one desired vibration parameter; an attachment piece connected to the vibrator, wherein an end of the attachment piece is sized and shaped to be placed in contact with a deformable soft tissue of a mouth at a contact site; a driving circuitry within the elongated handle electrically connected to the vibrator, wherein the driving circuitry delivers electricity to the vibrator to vibrate the attachment piece with at least one vibration parameter selected to reduce sensitivity to pain at a different target site from the contact site, while the attachment piece is in contact with the deformable soft tissue at the contact site.

Abstract: An information processing apparatus including an acquisition unit configured to acquire a first three-dimensional optical coherence tomography (OCT) image of a target eye, and a display control unit configured to display, on a display unit, the first three-dimensional OCT image and an interface configured to receive an instruction for acquiring a second three-dimensional OCT image of the target eye, which is an image captured with a fixation target position the same as a fixation target position used in capturing the first three-dimensional OCT image and is to be combined with the first three-dimensional OCT image.

Abstract: A system or method for detection of vision problems. The system or method may include one or more of an eye chart, eye patch, reply form, instruction sheet, and reward for returning the reply form. One or more of the eye chart, eye patch, and/or reply form may be packaged together within a single envelope for delivery to a potential user. In order to be effective with individuals that are not well versed in language or numbers, such as infants, children, adults with certain learning disabilities, or others (e.g., adults not fluent in a particular language, such as English), the eye chart may include only graphical elements for visual identification in the vision test by the individual. One or more different eye charts, eye patches or rewards may be provided to a particular user based upon determinations made about the particular user (e.g., age, sex, interests, etc.).

Abstract: An apparatus includes an interference optical system configured to acquire a tomographic image of an eye by using interference light between return light from the eye irradiated with measurement light and reference light corresponding to the measurement light, a determination unit configured to determine, by using at least one of information about an acquisition time for acquiring the tomographic image and information about an imaging view angle of the tomographic image, a search range for searching for a position corresponding to a first tomographic image of the eye, the position being in a second tomographic image of the eye, and the second tomographic image having been acquired at a time different from a time when the first tomographic image is acquired, and a registration unit configured to perform registration of the first tomographic image and the second tomographic image by using information about the determined search range.

Abstract: An ophthalmic imaging system provides a user interface to facilitate the montaging of scan images collected with various imaging modalities, such as images collected with a fundus imaging system or an optical coherence tomography (OCT) system. The amount of each constituent image used in the montage is dependent upon its respective quality. During the collecting of scans (constituent images) for montaging, any scan may be designated for rescanning, such as if its current quality is deemed less than sufficient. In the case of using an OCT system to collect constituent images (e.g., cube scans), the scanned region of a constituent image may be modified based on physical characteristics of the eye being scanned.

Abstract: A method of automatically detecting a retinal feature using an ophthalmic imaging system and automatically providing at least one of an audio, visual, and tactile indication of the detected retinal feature to a user.

Abstract: Embodiments of the invention include a method to determine a binocular alignment, the method comprising: measuring a disassociated phoria of a first eye and a second eye of a patient at an apparent distance; and determining an accommodative convergence of the first eye and the second eye at the apparent distance using the measured disassociated phoria. In other embodiments, a system to determine a binocular alignment comprises a stereo display, for a projection of images for a first eye and a second eye; an accommodation optics, to modify the projection of the images according to an apparent distance; an eye tracker, to track an orientation of the first eye and the second eye; and a computer, coupled to the stereo display, the accommodation optics and the eye tracker, to manage a determination of the binocular alignment.

Abstract: The embodiments herein provide a portable health care tele-monitoring device for intensive care unit of hospital, inside ambulance/vehicle or home. The device facilitates real time monitoring of patient's health. Patient information gathered using the device comprises personal details, health records and real time medical parameters of the patient. A blood parameter measurement device, external devices and vital sign devices are connected to the device using various ports and connectors provided in the device. The device facilitates transmission of patient information to a central location such as hospital, personal clinic of a doctor or health care centre and receiving medical prescription remotely over communication network from doctor/medical expert based on patient information captured by the device. Optionally physical copy of vital signs and blood parameters is printed using the device. A user interface is provided to enable patient/user for communicating with doctor/medical expert whenever needed.

Abstract: A system for detecting clinical deterioration in a patient having a health condition during one or more post-discharge patient follow-up periods is provided. The system includes a computer system that has one or more physical processors programmed with computer program instructions which, when executed cause the computer system to: determine a clinical deterioration risk detection model for each of the post-discharge patient follow-up periods, and determine a clinical deterioration risk detection value for the patient in the post-discharge patient follow-up period using the corresponding clinical deterioration risk detection model. The clinical deterioration risk detection model is a function of health information of the patient in the corresponding post-discharge patient follow-up period. The clinical deterioration risk detection value is configured to predict the likelihood of the clinical deterioration in the patient in the post-discharge patient follow-up period.

Abstract: An estimating device to estimate blood oxygen concentration of a living body including: an acquiring unit to acquire optical information from the living body; a converting unit to convert a signal included in the optical information into a first color-difference signal; and a calculating unit to calculate the blood oxygen concentration of the living body based on the first color-difference signal is provided. Also, the acquiring unit may acquire optical information based on reflected light from the living body. Furthermore, the converting unit may convert a signal included in the optical information into a second color-difference signal that is different from the first color-difference signal; and the calculating unit may calculate the blood oxygen concentration based on the first color-difference signal and the second color-difference signal.

Abstract: An electronic device for obtaining biological information and a method therefor are provided. The electronic device includes a biometric sensor module including a light emitting module including a first light emitting element having a first attribute and a second light emitting element having a second attribute and light receiving modules disposed adjacent to the light emitting modules, and at least one processor. The at least one processor is configured to determine a distance between the biometric sensor module and an external object based on at least reflected light reflected by collision with the external object among light output from the light emitting module, select at least one of the first light emitting element or the second light emitting element based on the distance, and obtain biometric information about the external object using the selected light emitting element.

Abstract: A subject information obtaining apparatus includes a probe including a receiver that receives an acoustic wave to be converted to an electric signal and first and second irradiation units that irradiate mutually different areas on a subject surface with pulsed light, a control unit that controls illumination positions of the pulsed light to avoid continuous irradiation of the subject with the pulsed light from the first and second irradiation units, and a signal processing unit that performs averaging or integrating of electric signals derived from the pulsed light illuminated from the first and second irradiation units and obtains a characteristic distribution in the subject by using the averaged or integrated signal or performs combining of distributions obtained by using electric signals derived from the pulsed light illuminated from the first and second irradiation units and obtains a combined distribution as the characteristic distribution in the subject.

Abstract: Devices, systems, and methods for evaluating a physiological condition of a vessel are disclosed. In an embodiment, a medical system is disclosed. One embodiment of the medical system comprises a medical processing unit in communication with a first pressure sensor, a second pressure sensor, and a radiographic imaging source configured to obtain radiographic images of at least one intravascular instrument positioned within a body lumen. The medical processing unit is configured to: receive the radiographic images obtained by the radiographic imaging source; detect, using the radiographic images, when the first pressure sensor is in a pre-determined orientation with respect to the second pressure sensor; and automatically initiate normalization of the first pressure sensor and the second pressure sensor in response to detecting that the first pressure sensor is in the pre-determined orientation with respect to the second pressure sensor.

Abstract: A method is provided for determining blood pressure for a subject using a sphygmomanometer. The method includes: measuring an oscillometric cuff pressure waveform of the subject using the sphygmomanometer; representing the measured waveform with a physical model accounting for mechanics of the cuff, an artery and coupling between the cuff and the artery; determining the model unknowns from the measured waveform; and determining blood pressure for the subject using the determined model.

Abstract: A combined sensor adapted to measure at least one medical or clinical sign is provided. The combined sensor comprises a textile sensor configured so as to determine pressure applied to the combined sensor; and an optical sensor. The optical sensor typically comprises at least one fibre-optic sensor (FOS) and may function as a photoplethysmography (PPG) sensor, optionally a reflectance mode photoplethysmography (PPG) sensor. The combined sensor is able to eliminate motion artefacts caused by movement of a subject wearing the sensor thereby facilitating long-term ambulatory monitoring of subjects.

Abstract: Some embodiments can include a device for detecting heart rate. In a number of embodiments, the device can comprise at least one capacitive displacement sensor coupled to a strap. In many embodiments, the at least one capacitive displacement sensor can comprise two electrodes. In some embodiments, the two electrodes can comprise an outer transmitting electrode and an inner receiving electrode. In various embodiments, the at least one capacitive displacement sensor can detect a pulse by producing a signal associated with a distance change between a skin of a wearer of the device and the at least one capacitive displacement sensor. Other embodiments of related apparatuses, methods and systems are also provided.

Abstract: A neural signal recording device includes a scan-mode circuit and a read-mode circuit. The scan-mode circuit detects neural spike activity within any M groups of electrodes selected from a total of N electrodes that are coupled to a brain. The read-mode circuit then records all neural spike signals present within any one of the M groups of electrodes where the neural spike activity is detected by the scan-mode circuit, whereby less than N electrodes are recorded at any one time by the neural signal recording device.

Abstract: Disclosed are flexible and stretchable antenna devices, systems and methods of use and manufacture. In some aspects, a flexible and stretchable antenna device includes an adhesive substrate having flexible and stretchable material properties and capable of adhering to a surface of an object; and an antenna attached on or at least partially embedded within the adhesive substrate, the antenna including a radiating element and a ground element, in which one or both of the radiating element and the ground element include a mesh structure allowing the antenna device to transmit or receive wireless communication signals at a predetermined operating frequency while being stretched.

Abstract: Methods and apparatuses, including devices and systems, for remote and detection and/or diagnosis of acute myocardial infarction (AMI). In particular, described herein are handheld devices having an electrode configuration capable of recording three orthogonal ECG lead signals in an orientation-specific manner, and transmitting these signals to a processor. The processor may be remote or local, and it may automatically or semi-automatically detect AMI, atrial fibrillation or other heart disorders based on the analyses of the deviation of the recorded 3 cardiac signals with respect to previously stored baseline recordings.

Abstract: In some embodiments, the PC-HEMT based microelectronic sensors are used in recording physiological and non-physiological sounds as hypersensitive microphones. Recording the physiological sounds is associated with the S1/S2 heart split phenomena and phonocardiography.

Abstract: There is provided a heartbeat detection device. The heartbeat detection device includes a time difference value calculation unit (3) configured to calculate a time difference value of sampling data of an electrocardiographic waveform, FIFO buffers (4-1, 4-2) configured to receive the time difference value, a FIFO buffer (4-3) configured to receive an output from the FIFO buffer (4-2), a FIFO buffer (4-4) configured to receive an output from the FIFO buffer (4-3), a minimum value detection unit (5) configured to detect, for each sampling time, a minimum value M out of the time difference value stored in the FIFO buffer (4-2) and the time difference value stored in the FIFO buffer (4-4), and a heartbeat time determination unit (6) configured to set, when a difference value M?a between the minimum value M and an output value a of the FIFO buffer (4-1) is equal to or greater than a threshold, sampling time of the output value a as heartbeat time.

Abstract: Study of intracardiac electrograms (IEGMs) during atrial fibrillation (AF) provides clinically significant information that can be used in ablation therapy. Methods include determining a regional feature, e.g., dominant frequency (RDF), which encompasses the relationship between simultaneously recorded electrodes and identifies the feature components of a region, rather than the feature of a single electrode. Methods employing the regional feature may be used to identify and characterize variation and disorganization in wavefront propagation or wave breaks (WBs) at each recording site, and may be used to direct catheter ablation therapy.

Abstract: Methods and/or device facilitating and selecting among multiple modes of filtering a cardiac electrical signal, in which one filtering mode includes additional high pass filtering of low frequency signals, relative to the other filtering mode. The selection filtering modes may include comparing sensed signal amplitude to one or more thresholds, using the multiple modes of filtering. In another example, an additional high pass filter is enabled, over and above a default or baseline filtering mode, and the detected cardiac signal is monitored for indications of possible undersensing, and/or for drops in amplitude toward a threshold, and the additional high pass filter may be disabled upon finding of possible undersensing or drop in signal amplitude.

Abstract: A system and method for facilitating a cardiac rhythm disorder diagnosis based on subcutaneous cardiac monitoring data with the aid of a digital computer are provided. Cutaneous action potentials of a patient are recorded as electrocardiogram (EGC) data over a set time period using a subcutaneous insertable cardiac monitor. A set of R-wave peaks is identified within the ECG data and an R-R interval plot is constructed. A difference between recording times of successive pairs of the R-wave peaks in the set is determined. A heart rate associated with each difference is also determined. The pairs of the R-wave peaks and associated heart rate are plotted as the R-R interval plot. A diagnosis of cardiac disorder is facilitated based on patterns of the plotted pairs of the R-wave peaks and the associated heart rates in the R-R interval plot.

Abstract: A method of detecting abnormal heartbeats includes providing a library of abnormal beat synthesis (ABS) filters, wherein each ABS filter corresponds to a specific cause of a cardiac problem. The method further includes obtaining an ECG of a normal heartbeat of a person and applying an ABS filter from the library of ABS filters to the ECG of the normal heartbeat of the person to generate a potential abnormal ECG. The method further includes monitoring a heartbeat of the person and classifying each heartbeat as either normal or abnormal.

Abstract: Systems and methods are described for enhancing sensorimotor learning using EEG decoding and closed-loop neuromodulation. A plurality of EEG electrodes and a plurality of stimulation electrodes are coupled to a learning subject. An output device of an adaptive learning system provides a sequence of instructions to the learning subject for performing a sensorimotor task in accordance with a defined learning schedule. The defined learning schedule is adjusted based on a monitored EEG signal while performing the task and, in some implementations, a neuromodulation stimulus signal is applied to the learning subject that is designed to cause the monitored EEG signal of the learning subject to approach at least one target EEG signal parameter.

Abstract: A brain navigation device, comprising: a lead with an elongated lead body; at least one macro-electrode contact positioned on an outer surface on the lead; wherein the at least one macro-electrode contact is located at the distal part of said lead; and wherein the at least one macro-electrode contact is configured to be used during lead navigation.

Abstract: Long-term electrocardiographic and physiological monitoring over a period lasting up to several years in duration can be provided through a continuously-recording subcutaneous insertable cardiac monitor (ICM). The sensing circuitry and the physical layout of the electrodes are specifically optimized to capture electrical signals from the propagation of low amplitude, relatively low frequency content cardiac action potentials, particularly the P-waves that are generated during atrial activation. The ICM is intended to be implanted centrally and positioned axially and slightly to either the left or right of the sternal midline in the parasternal region of the chest, with at least one of the ECG sensing electrodes of the ICM being disposed for being positioned in a region overlying the sternum or adjacent to the sternum and the other of the electrodes also being disposed for being positioned over the sternum or adjacent to the sternum of on the patient's chest.

Abstract: A signal processing apparatus includes an input voltage selector configured to select an input voltage from a plurality of input voltages; an input element connected to the input voltage selector; and an input current controller configured to control an inflow of an input current in conjunction with an operation of the input voltage selector.

Abstract: Long-term electrocardiographic and physiological monitoring over a period lasting up to several years in duration can be provided through a continuously-recording subcutaneous insertable cardiac monitor (ICM). The sensing circuitry and the physical layout of the electrodes are specifically optimized to capture electrical signals from the propagation of low amplitude, relatively low frequency content cardiac action potentials, particularly the P-waves that are generated during atrial activation. In general, the ICM is intended to be implanted centrally and positioned axially and slightly to either the left or right of the sternal midline in the parasternal region of the chest. Additionally, the ICM includes an ECG sensing circuit that measures raw cutaneous electrical signals and performs signal processing prior to outputting the processed signals for sampling and storage.

Abstract: A device for determining muscle condition of a region of tissue. The device comprises an electrical impedance myography (EIM) portable probe bearing an electrode array. The electrode array comprises excitation electrodes used to apply multi-frequency electrical signals to the region of tissue and pickup electrodes that are used to collect electrical signals resulting from the application of the multi-frequency electrical signals to the region of tissue. To improve accuracy and reproducibility of EIM measurements, the electrode array is reconfigurable to select different subsets of excitation and pickup electrodes so that the electrodes are oriented differently with respect to muscle fibers. Additional devices may be associated with the EIM probe to measure such parameters as temperature, moisture content of the region, quality of contact of electrodes of the electrode array with a surface of the region and pressure with which the EIM probe is applied to the region.

Abstract: An MRI image processing and analysis system may identify instances of structure in MRI flow data, e.g., coherency, derive contours and/or clinical markers based on the identified structures. The system may be remotely located from one or more MRI acquisition systems, and perform: perform error detection and/or correction on MRI data sets (e.g., phase error correction, phase aliasing, signal unwrapping, and/or on other artifacts); segmentation; visualization of flow (e.g., velocity, arterial versus venous flow, shunts) superimposed on anatomical structure, quantification; verification; and/or generation of patient specific 4-D flow protocols. An asynchronous command and imaging pipeline allows remote image processing and analysis in a timely and secure manner even with complicated or large 4-D flow MRI data sets.

Abstract: Methods, computing devices, and computer-readable medium are described herein related to producing detection signals configured to induce an excited state of an object. A computing device may receive reflection signals, where the reflection signals correspond to at least one detection signals reflected from the object. Based on the received reflection signals, a presence of the object in the excited state may be determined. Further, an output device may provide an indication of the presence of the object in the excited state.

Abstract: Systems and methods for automatically triggering wireless power and data exchange between an external reader and an implanted sensor. The implanted sensor may measure the strength of an electrodynamic field received wirelessly from the reader and convey field strength data based on the measured strength of the received electrodynamic field to the reader. If the field strength data indicates that the strength of an electrodynamic field received by the sensor is sufficient for the implanted sensor to perform an analyte measurement, the reader may convey an analyte measurement command to the sensor, which may execute the analyte measurement command and convey measurement information back to the reader. The systems and methods may trigger the analyte measurement as the reader transiently passes within sufficient range/proximity to the implant (or vice versa).

Abstract: To provide an exhaled-air pressure measuring device capable of deciding on exhaled-air pressure levels suitable for usage purposes. An exhaled-air pressure measuring device measures the pressure of air exhaled by a user, and on the basis of the measurement result, decides on an exhaled-air pressure level which corresponds to the pressure of the exhaled air. The exhaled-air pressure measuring device includes a measuring device body and a mouthpiece portion from which the user exhales into the device. The measuring device body includes: a microcomputer which stores threshold data representing a threshold of the exhaled-air pressure level and decides on the exhaled-air pressure level corresponding to the exhaled-air pressure of a detection signal detected by a pressure sensor; and a USB terminal which is connected to an external storage device so as to change the threshold data stored in the microcomputer.

Abstract: The present invention provides a patient inhalation/exhalation device such as a spirometer, respiratory inhaler or spacer, the device comprising: at least one aperture for inlet or outlet of air into/from the device; a mouthpiece for communication with the mouth of the patient; and a body defining an air flow path extending between the aperture and the mouthpiece along which air is drawn to the mouthpiece by inhalation by the patient or air is forced towards the aperture by exhalation by the patient. The body comprises an air flow rate indicator operable to generate a sound signal to indicate when the air flow rate along the air flow path is at or above a predetermined minimum level. In another aspect, the present invention provides a device for indicating a desired fluid flow rate along a fluid flow path through a respiratory inhaler.

Abstract: A spirometer comprises a housing defining a fluid flow pathway extending between a first end and a second end, a first opening along the pathway and a second opening longitudinally spaced along the pathway from the first opening. A flow chamber defining a fluid flow pathway is disposed within the housing between the first opening and the second opening, the flow chamber including an elongated resistive element along the central longitudinal axis of the flow chamber for defining a flow passage through the flow chamber between the resistive element and the inner surface of the flow chamber. The flow chamber conditions fluid flow for accurate sensing of the fluid flow over a range. A pressure sensor is disposed within the housing in fluid communication with the first opening and the second opening for sensing a pressure differential between the first opening and the second opening and producing an electric signal that corresponds with the rate of fluid flow through the housing.

Abstract: Methods, devices and systems for determining the frequency of a periodic physiological process of a subject, particularly respiration rate or heart rate, are disclosed. In one arrangement plural time windows of physiological data are obtained. Reference features corresponding to modulation modes are identified. Modulations of the reference features are extracted. Quality parameters are obtained by processing the extracted modulations. The quality parameters represent how strongly the extracted modulation exhibits a waveform of the periodic physiological process. The extracted modulations are processed to calculate the frequency of the periodic physiological process of the subject.

Abstract: A catheter connector is described having a hydrophobic end cap or washer located around the end opening to the connector's lumen. The diameter and length of the lumen below the washer is sufficiently large enough to accommodate an absorbent tubular filter that changes color when exposed to fluid. The washer acts to limit the size of the water droplet that might adhere to the end of the catheter and help maintain surface tension on the droplet to prevent it from entering the lumen. The hydrophilic tubular filter absorbs any water that might pass by the washer and thus keeps the lumen hole open.

Abstract: Detection of body motion of a subject in a bathroom is accurately performed. A body motion signal processing apparatus (100) includes: a transmission unit that transmits a radio wave to a target; a receiving unit that receives the radio wave reflected by the target; and a detection unit that detects, from a received signal received by the receiving unit, a body motion component signal corresponding to a body motion component that is motion of a body. The target includes a bathroom, and the body motion signal processing apparatus (100) further includes a signal processing unit (40) that, in a case where a subject is in the bathroom, compares amplitude of the body motion component signal detected by the detection unit to amplitude of the body motion component signal that is detected in advance in the bathroom where no subject exists, and outputs a notice based on a comparison result.

Abstract: Speech understanding in the presence of background noise can be assessed using novel hearing tests. One such test is a Masking Level Difference with Digits (MLDD) test, which is a clinical tool designed to measure auditory factors that influence the understanding of speech presented within a background of noise. The MLDD test can be used clinically to facilitate a determination of functional hearing. The MLDD test presents background noise using both monotic and diotic conditions.

Abstract: An obturator assembly includes an obturator at least partially positionable within a lumen of a device. The obturator has a distal end with a tip portion and an opposing proximal end. A sensor assembly is at the tip portion. The sensor assembly is configured to sense one or more environmental characteristics and to generate one or more signals representative of the one or more environmental characteristics. A hub is operatively coupled to the obturator. The hub is also operatively coupled to electronic circuitry that is coupled in signal communication with the sensor assembly. In certain embodiments, the electronic circuitry is configured to receive the one or more signals from the sensor assembly and transmit the one or more signals to remote reception circuitry and/or display a datum representative of the one or more environmental characteristics on a display of the hub.

Abstract: A pulse oximeter may reduce power consumption in the absence of overriding conditions. Various sampling mechanisms may be used individually or in combination. Various parameters may be monitored to trigger or override a reduced power consumption state. In this manner, a pulse oximeter can lower power consumption without sacrificing performance during, for example, high noise conditions or oxygen desaturations.

Abstract: A pulse oximeter may reduce power consumption in the absence of overriding conditions. Various sampling mechanisms may be used individually or in combination. Various parameters may be monitored to trigger or override a reduced power consumption state. In this manner, a pulse oximeter can lower power consumption without sacrificing performance during, for example, high noise conditions or oxygen desaturations.

Abstract: In some examples, a medical system includes a medical device. The medical device may include a housing configured to be implanted in a target site of a patient, a light emitter configured to emit a signal configured to cause a fluorescent marker to emit a fluoresced signal into the target site, and a light detector that may be configured to detect the fluoresced signal. The medical system may include processing circuitry configured to determine a characteristic of the fluorescent marker based on the emitted signal and the fluoresced signal. The characteristic of the fluorescent marker may be indicative of a presence of a compound in the patient, and the processing circuitry may be configured to track the presence of the compound of the patient based on the characteristic of the fluorescent marker.

Abstract: Methods and devices for providing application specific integrated circuit architecture for a two electrode analyte sensor or a three electrode analyte sensor are provided. Systems and kits employing the same are also provided.