Abstract: There is provided a system, apparatus and methods for enhancing the illumination of structures of the eye using predetermined scan patterns of an illuminating light beam. The systems, apparatus and methods further provide for obtaining enhanced single images of multiple structures of the eye.

Abstract: An electronic device includes one or more processors; and memory storing one or more programs. The one or more programs include instructions for: initiating a first light source to emit first light; while the first light source emits the first light, receiving, at a first image sensor, a first image of light from the eye, transferred through the lens assembly and an array of lenses; initiating a second light source to emit second light; and, while the second light source emits the second light, receiving, at a second image sensor, a second image of light from the eye, transferred through the lens assembly. The first light emitted from the first light source is transferred toward an eye through a lens assembly. The second light emitted from the second light source is transferred toward the eye.

Abstract: In one embodiment, a system and method for providing dynamic gain over non-noise electrocardiographic data with the aid of a digital computer are provided. A time series of a plurality of voltage values that comprises a digital representation of a raw electrocardiography (“ECG”) signal recorded by an ambulatory monitor recorder is obtained. One or more segments of the ECG signal is marked as noise, each of the segments including a plurality of the values, based on a difference between a maximum one and a minimum one of the values within that segment. Further segments not marked as noise are analyzed, each of the segments comprising a plurality of the values. A gain factor for all of the values in the analyzed further segments is determined based on the analysis.

Abstract: Provided are embodiments of systems, computer medium and computer-implemented methods for sensing health characteristics of a user using a floor mat including a set of health sensors integrated therewith. The set of health sensors including temperature sensors, body position sensors, and body fat sensors. A method including receiving, from the temperature sensors, temperature data corresponding to a sensed body temperature of the user, receiving, from the body position sensors, body position data corresponding to a sensed body position of the user, receiving, from the body fat sensors, body fat data corresponding to a sensed body fat of the user, and transmitting, to a computer workstation, health data corresponding to the temperature data, the body position data, and the body fat data for use in determining the body temperature, the body position, and the body fat of the user.

Abstract: Provided is a biometric device which may include a light source unit configured to irradiate an organism with inspection light, a light-collection unit arranged facing a region on a surface of the organism and configured to spatially-integrally collect output light emitted from the region in accordance with the inspection light, and a light-reception unit configured to receive the collected output light.

Abstract: A sensor for measuring a concentration of a respiratory gas component is disclosed herein. The sensor comprises at least one radiation source configured to emit radiation and at least one radiation sensing detector configured to receive radiation and provide a signal indicative of the concentration of the gas component. The sensor further comprises an electronics board configured to receive and process the signal to determine the concentration, and an energy storage device configured to supply energy to the radiation source. The electronics board is configured to choose from among at least two different modes, one being an operation mode allowing sufficient energy supply to the radiation source, and another being a rest mode allowing reduced energy supply compared to the operation mode to limit radiation for saving energy within the breathing cycle. A gas analyzer and method for measuring a concentration of a respiratory gas component are also provided.

Abstract: A mirror system includes a visual display disposed to convey information and images during an active period; and the visual display disposed to provide a reflected image during an inactive period; a multi-spectral 3D camera including a high definition video camera and an infrared camera; and a processor coupled to the visual display and the multi-spectral 3D camera.

Abstract: A system and methods for polyp detection using optical colonoscopy images are provided. In some aspects, the system includes an input configured to receive a series of optical images, and a processor configured to process the series of optical images with steps comprising of receiving an optical image from the input, constructing an edge map corresponding to the optical image, the edge map comprising a plurality of edge pixel, and generating a refined edge map by applying a classification scheme based on patterns of intensity variation to the plurality of edge pixels in the edge map. The processor may also process the series with steps of identifying polyp candidates using the refined edge map, computing probabilities that identified polyp candidates are polyps, and generating a report, using the computed probabilities, indicating detected polyps. The system also includes an output for displaying the report.

Abstract: A photoacoustic imaging method that enables photoacoustic images to be displayed at high speed is provided. The photoacoustic imaging method scans a subject with a light beam, detects acoustic waves generated within the subject due to the scanning of light to obtain acoustic wave detected signals, and generates volume data that represent three dimensional photoacoustic images of the subject based on the acoustic wave detected signals. Photoacoustic projection images projected in the direction of irradiation depth of the light are generated, prior to the volume data being generated and concurrently with the scanning of the light. The photoacoustic projection images are displayed.

Abstract: A patient transfer device is utilized to transport infant patients between locations within a hospital environment. The patient transfer device includes a center, support section and a pair of side sections that can be moved into contact with each other to surround the infant patient. The first and second side sections each include a handle that can be brought into close proximity to each other and can be grasped by a single hand of a clinician. The patient transfer device includes a temperature sensor positioned to provide a temperature measurement of the patient when the patient is received on the patient transfer device. The patient temperature can be displayed on either an integrated display or wirelessly transmitted to an external display device. In this manner, the temperature of the infant can be continuously monitored during transport.

Abstract: Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an action according to the measured value of the parameters. The support structure includes a sensor fitted on the support structures using a special geometry for acquiring continuous and undisturbed data on the physiology of the body. Signals are transmitted to a remote station by wireless transmission such as by electromagnetic waves, radio waves, infrared, sound and the like or by being reported locally by audio or visual transmission. The physical and chemical parameters include brain function, metabolic function, hydrodynamic function, hydration status, levels of chemical compounds in the blood, and the like. The support structure includes patches, clips, eyeglasses, head mounted gear and the like, containing passive or active sensors positioned at the end of the tunnel with sensing systems positioned on and accessing a physiologic tunnel.

Abstract: A method for determining functional severity of a stenosis includes: (a) generating a simulated perfusion map from a calculated blood flow; (b) comparing the simulated perfusion map to a measured perfusion map to identify a degree of mismatch therebetween, the measured perfusion map representing perfusion in a patient; (c) modifying a parameter in a model used in calculating the blood flow when the degree of mismatch meets or exceeds a predefined threshold; (d) computing a hemodynamic quantity from the simulated perfusion map when the degree of mismatch is less than the predefined threshold, the hemodynamic quantity being indicative of the functional severity of the stenosis; and (e) displaying the hemodynamic quantity. Systems for determining functional severity of a stenosis are described.

Abstract: The present invention relates to stenosis therapy planning. A first volumetric data set is received by medical imaging of at least part of an artery comprising a stenosis. At least one two-dimensional image data (of the stenosis is received. A first arterial pressure drop is determined around the stenosis. A second volumetric data set is generated by registering the at least one two-dimensional image data with the first volumetric data set. A third volumetric data set is generated by simulating a geometry modification of the stenosis in the second volumetric data set and a second arterial pressure drop is estimated around the stenosis in the third volumetric data set.

Abstract: A magnetic resonance method and system are provided for providing improved 3D imaging of blood vessels and the like, which provides suppression of both blood and fat signals and is insensitive to subject motion, thereby facilitating improved visualization of vessel walls. The image data pulse sequence includes a plurality of pulse series, where each series includes a dark-blood sequence, a fat-suppression sequence, and a data readout sequence. Each data readout sequence samples a particular radial direction within each partition (Kz value) that passes through the Kz axis, and different radial orientations are sampled in subsequent series to provide a stack-of-stars sampling scheme.

Abstract: Embodiments of the present disclosure can comprise a wearable device for sensing, displaying, and communicating data associated with a condition of a user. In some embodiments, the wearable device can comprise a biometric sensor unit configured to sense biometric data associated with a physiological condition of the user, a display unit configured to display a visual representation of the sensed biometric data from the biometric sensor unit to the user, and a control unit operatively coupled to the biometric sensor unit and the display unit. The control unit may also comprise at least one processor configured to receive indications of the sensed biometric data and cause the display unit to display the at least one visual representation of the biometric data and a communication unit, the communication unit configured to transmit and/or receive information associated with the sensed biometric data.

Abstract: Methods, systems, computer-readable media, and apparatuses for obtaining at least one bodily function measurement are presented. A mobile device includes an outer body sized to be portable for user, a processor contained within the outer body, and a plurality of sensors physically coupled to the outer body. The sensors are configured to obtain a first measurement indicative of blood volume and a second measurement indicative of heart electrical activity in response to a user action. A blood pressure measurement is determined based on the first measurement and the second measurement. The sensors also include electrodes where a portion of a user's body positioned between the electrodes completes a circuit and a measurement to provide at least one measure of impedance associated with the user's body. A hydration level measurement is determined based on the measure of impedance.

Abstract: Systems, methods, and devices of various embodiments enable measurement of blood pressure from an artery. The various embodiments may measure, using a non-interfering arterial measurement sensor, a first change in distension of the artery at a measurement location without interference to an arterial pressure at the measurement location during a series of pulses. A first pulse rate and estimated pulse pressures may be determined from the first change in distension. A coefficient may be determined fitting an exponentially decaying function representing an exponential decay of a portion of a diastolic phase to select ones of the estimated pulse pressures corresponding to the diastolic phase. An absolute blood pressure may be determined by applying the coefficient to a select mathematical model expressing a first relationship between the first change in distension of the artery and the pulse pressure in the artery at the measurement location.

Abstract: A system for non-invasively determining an indication of an individual's blood pressure is described. In certain embodiments, the system calculates pulse wave transit time using two acoustic sensors. The system can include a first acoustic sensor configured to monitor heart sounds of the patient corresponding to ventricular systole and diastole and a second acoustic sensor configured to monitor arterial pulse sounds at an arterial location remote from the heart. The system can advantageously calculate a arterial pulse wave transit time (PWTT) that does not include the pre-ejection period time delay. In certain embodiments, the system further includes a processor that calculates the arterial PWTT obtained from the acoustic sensors. The system can use this arterial PWTT to determine whether to trigger an occlusive cuff measurement.

Abstract: A device for determining a vital sign of a subject comprises an interface that receives a data stream derived from detected electromagnetic radiation reflected from a region of interest including a skin area of the subject, said data stream comprising a data signal per skin pixel area of one or more skin pixels for a plurality of skin pixel areas of said region of interest, a data signal representing the detected electromagnetic radiation reflected from the respective skin pixel area over time. An analyzer analyzes spatial and/or temporal properties of the skin area. A processor determines a vital sign information signal of the subject based on the data signals of skin pixel areas within the skin area, and a post-processor determines the desired vital sign from said vital sign information signal, wherein said determined spatial and/or temporal properties are used by the processor for determining the vital sign information signal and/or by the post-processor for determining the desired vital sign.

Abstract: A light detection unit includes a light emitter that emits light toward an object of interest, a light receiver that receives light from the object of interest, and a light blocking member that performs light blocking at least above the light receiver. The light blocking member includes a first surface that is provided between the light emitter and the light receiver and prevents direct light from the light emitter from entering the light receiver and a second surface and a third surface that are provided along a direction that intersects the first surface and prevent light from entering the light receiver. Further, the first surface is made of a first material, and the second surface and the third surface are made of a second material different from the first material.

Abstract: A photobiological measurement apparatus 1 may include a second received light quantity information calculation unit 33 for calculating measurement data relating to cerebral activity, a data display controller for displaying the measurement data for a specified area of a subject's brain, is characterized: is being provided with a reference light-receiving probe 14, which is disposed at a position separated by a first setting distance r1 from the light-transmitting prober 12 that is shorter than a second setting distance r2, and a first received light quantity information calculating unit 32, which calculates skin blood flow data relating to the skin blood flow using first received light quantity information ?A1 from the light transmitting probe 12 to the reference light-receiving probe 14, and in displaying the skin blood flow data at a specified position of the subject's scalp by indicating the measurement position on the subject's scalp and displaying the skin blood data.

Abstract: The invention provides a system for measuring stroke volume (SV), cardiac output (CO), and cardiac power (CP) from a patient that features: 1) an impedance sensor connected to at least two body-worn electrodes and including an impedance circuit that processes analog signals from the electrodes to measure an impedance signal (e.g. a TBEV waveform); 2) an ECG sensor connected to at least two chest-worn electrodes and including an ECG circuit that processes analog signals from the electrodes to measure and ECG signal; 3) an optical sensor connected to a body-worn optical probe and including an optical circuit that processes signals from the probe to measure at least one optical signal (e.g. a PPG waveform) from the patient; 4) a processing system, typically worn on the patient's wrist and connected through a wired interface to the optical sensor, and through either a wired or wireless interface to the TBEV and ECG sensors.

Abstract: A system for providing a standard electrocardiogram (ECG) signal for a human body using contactless ECG sensors for outputting to exiting medical equipment or for storage or viewing on a remote device. The system comprises a digital processing module (DPM) adapted to connect to an array of contactless ECG sensors provided in a fabric or the like. A selection mechanism is embedded into the DPM which allows the DPM to identify body parts using the ECG signals of the different ECG sensors and select for each body part the best sensor lead. The DPM may then produce the standard ECG signal using the selected ECG signals for the different body parts detected. The system is adapted to continuously re-examine the selection to ensure that the best leads are selected for a given body part following a movement of the body part, thereby, allowing for continuous and un-interrupted ECG monitoring of the patient.

Abstract: According to at least one aspect, a medical device is provided. The medical device includes at least one electrode to sense an electrocardiogram (ECG) signal of a patient and a controller coupled to the at least one electrode. The controller may be configured to generate a first ECG template based on a first ECG signal of the patient, generate a second ECG template based on a second ECG signal of the patient, and determine whether the patient is experiencing a cardiac event based on the ECG signal of the patient and an identified one of the first ECG template and the second ECG template.

Abstract: A powered surgical cutting and stapling instrument is disclosed. The instrument includes at least one sensor to measure at least one parameter associated with the instrument, at least one processor, and a memory operatively associated with the processor. The memory includes machine executable instructions that when executed by the processor cause the processor to monitor the at least one sensor over a predetermined time period and determine a rate of change of the measured parameter.

Abstract: The present invention relates to a method for testing oral malodor, in particular oral malodor from onion and garlic. Described herein are methods for testing the efficacy of an oral care composition to reduce oral malodor, the method comprising the steps of: a) cleaning at least a part of the oral cavity with an oral care composition; b) testing a first sample of exhaled breath from the cleaned oral cavity to provide a first test result representing a first amount of at least one oral malodor component detected in the exhaled breath; c) exposing the oral cavity to an oral malodor material including or capable of forming the at least one oral malodor component; and d) testing a second sample of exhaled breath from the oral cavity to provide a second test result representing a second amount of the at least one oral malodor component detected in the exhaled breath.

Abstract: The disclosure provides apparatus and methods of use pertaining to a measurement template for use in allograft preparation and processing. Specifically, the template may be used to measure the trochlea angle of the trochlea groove of the distal human femur. The measurement template may be formed of a flat metal plate having first and second ends, each forming a different angle designed to fit against the trochlea groove and provide an indication of the angle of the groove in relation to the angles formed by the template. The trochlea angle of the allograft may then be documented, allowing for proper matching between allograft tissue and transplant recipient physiology. The measurement template may be adapted for a variety of configurations depending on desired and/or common allograft requirements. Other embodiments are also disclosed.

Abstract: A gait device and method for rehabilitating or developing a subject's lower extremity. The device may include a movable belt configured for the subject to ambulate thereon; a track provided above the movable belt that is generally aligned with the movable belt; and a coupler that is configured to travel along the track and attach to the distal portion of the lower extremity of the subject while the subject is ambulating on the movable belt.

Abstract: A respiratory monitor comprises: a first sensor (20, 70) configured to generate a respiration-related motion monitoring signal (72) indicative of respiration related motion; a second sensor (20, 22, 80, 82) configured to generate a sound monitoring signal (84) indicative of respiration-related sound; and a signals synthesizer (90) configured to synthesize a respiratory monitor signal (46) based on the respiration-related motion monitoring signal and the respiration-related sound monitoring signal. A sensor for use in respiratory monitoring comprises an accelerometer (30) and a magnetometer (32) together defining a unitary sensor (20) configured for attachment to a respiring subject (10) so as to move as a unit responsive to respiration related motion of the respiring subject.

Abstract: An apparatus comprising a pump, a user interface, and a controller communicatively coupled to the pump and the user interface. The controller is adapted to receive information relating to a blood glucose level of a user, determine whether the blood glucose level differs from a target blood glucose level by a threshold value, and selectively provide or delay provision of an alert notifying the user to check the user's blood glucose level. Other devices, systems, and methods are disclosed.

Abstract: Systems and methods for analyte monitoring, particularly systems and methods for monitoring and managing life of a battery in an analyte sensor system worn by a user, are provided.

Abstract: Membrane systems incorporating silicone polymers are described for use in implantable analyte sensors. Some layers of the membrane system may comprise a blend of a silicone polymer with a hydrophilic polymer, for example, a triblock poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) polymer. Such polymeric blends provide for both high oxygen solubility and aqueous analyte solubility.

Abstract: Multiple optical architectures based on photosensitive arrays are disclosed. The optical engines collect five dimensional data from the samples with three dimensional spatial information and temporal and spectral information simultaneously, in parallel from all channels, without optical scanning. The photosensitive arrays and/or last component of illumination system are in contact or close proximity of the sample surface. The application of optical engines to sensitive detection of species of interest in the complex reflecting and scattering matrix with the high concentration of interfering species is described. The optical engines are applicable to noninvasive, mobile monitoring of various species of interest in vivo and in vitro.

Abstract: The present invention is directed to the parenteral procurement of bodily-fluid samples. The present invention is also directed to systems and methods for parenterally procuring bodily-fluid samples with reduced contamination from dermally-residing microbes. In some embodiments, a bodily-fluid withdrawing system is used to withdraw bodily fluid from a patient for incubation in culture media in one or more sample vessels. Prior to withdrawing bodily fluid into the one or more sample vessels for incubation, an initial volume of withdrawn bodily fluid is placed in one or more pre-sample reservoirs and is not used for the incubation in culture media.

Abstract: Blood collection apparatus includes a blood collection container and a mix detection unit operatively coupled to the blood collection container. The mix detection unit includes a device to produce a data signal indicative of the extent to which the blood collection container is moved in a manner to promote mixing of blood collected into the container and an anti-coagulant also present in the container. A method described herein provides for filling a blood collection container with blood, inverting the blood collection container by hand to mix the blood with an anti-coagulant, and viewing or listening to an indication generated by a mix detection device attached to the blood collection container, wherein the indication provides information about the appropriate amount of mixing for the blood.

Abstract: Systems and methods of use for continuous analyte measurement of a host's vascular system are provided. In some embodiments, a continuous glucose measurement system includes a vascular access device, a sensor and sensor electronics, the system being configured for insertion into communication with a host's circulatory system.

Abstract: The present invention provides a system and method for configuring collective emotional architecture of an individual. The system comprising an input module, adapted to receive voice input and orientation reference selected from a group consisting of: date, time, location, and any combination thereof; a personal collective emotionbase, the emotionbase comprising benchmark tones and benchmark emotional attitudes (BEA) while each of the benchmark tones corresponds to a specific BEA and at least one processor in communication with a computer readable medium (CRM). The processor executes a set of operations received from the CRM.

Abstract: The present systems and methods provide a mechanism to assess viewer behavior, features of stimuli, and the interaction between viewer behavior and stimuli. The systems and methods described herein for quantifying blink response and blink inhibition provide moment-by-moments measurements of viewer engagement by measuring what is or is not engaging enough to warrant viewers' inhibition of blinking. The present disclosure describes measures of visual scanning, eye movements, blink data, and blink timing data to derive a measure of how engaged a person is with what he or she is looking at. Blink-related data as a measure of viewer engagement provides a mechanism for determining the most engaging spatial and temporal aspects of a stimulus.

Abstract: Described herein are various apparatus and systems useful in sensory discrimination. Through the use of a multi-well sample plate, the high-throughput analysis apparatus and method allow for rapid sensory discrimination of a large number of samples.

Abstract: Systems and methods are provided for performing a medical procedure within a patient's body that involves a thoracic duct including an ostium communicating with the patient's venous system. A distal end of a catheter is introduced through the patient's venous system into a body lumen adjacent the ostium of the thoracic duct. An expandable member on the distal end of the tubular member may be expanded adjacent the ostium, e.g., within the body lumen or the thoracic duct itself, and used to isolate the thoracic duct from the body lumen, whereupon a medical procedure may be performed via the thoracic duct. For example, lymphatic fluid may be removed from the thoracic duct through a lumen of the tubular member and/or one or more agents may be introduced into the thoracic duct through the tubular member.

Abstract: A method includes a obtaining an image of a center of a pelvis of a patient captured by an imaging device and analyzing the image of the pelvis center to determine whether or not the pelvis center is aligned with the imaging device using a computing device. When the pelvis center is not aligned with the imaging device, the method includes determining one or more alignment instructions for aligning the pelvis center with the imaging device by the computing device and transmitting the analyzed image of the pelvis center and the one or more pelvis alignment instructions to a user device in communication with the computing device. The user device executes a graphical user interface for displaying the analyzed image and one or more pelvis alignment instructions.

Abstract: In some implementations, a mobile device can adjust an alarm setting based on the sleep onset latency duration detected for a user of the mobile device. For example, sleep onset latency can be the amount of time it takes for the user to fall asleep after the user attempts to go to sleep (e.g., goes to bed). The mobile device can determine when the user intends or attempts to go to sleep based on detected sleep ritual activities. Sleep ritual activities can include those activities a user performs in preparation for sleep. The mobile device can determine when the user is asleep based on detected sleep signals (e.g., biometric data, sounds, etc.). In some implementations, the mobile device can determine recurring patterns of long or short sleep onset latency and present suggestions that might help the user sleep better or feel more rested.

Abstract: Described is a system for system for gait intervention and fall prevention. The system is incorporated into a body suit having a plurality of distributed sensors and a vestibulo-muscular biostim array. The sensors are operable for providing biosensor data to the analytics module, while the vestibulo-muscular biostim array includes a plurality of distributed effectors. The analytics module is connected with the body suit and sensors and is operable for receiving biosensor data and analyzing a particular user's gait and predicting falls. Finally, a closed-loop biostim control module is included for activating the vestibulo-muscular biostim array to compensate for a risk of a predicted fall.

Abstract: A sensing bone fixing element includes a fixing portion, a fastening portion, a capacitor structure, and a coil. The fastening portion is fixed to the fixing portion and suitable for being fastened to a bone. The fastening portion passes through the capacitor structure which has a capacitance value and includes a first conductive layer, a second conductive layer, and an elastic dielectric layer. The first conductive layer leans against the fixing portion, the second conductive layer leans against the bone, and the elastic dielectric layer is located between the first conductive layer and the second conductive layer. The coil has an inductance value, and two ends of the coil are respectively connected to the first conductive layer and the second conductive layer. The coil receives a detection radio frequency (RF) signal and generates a responding RF signal according to variations in the capacitance value and the inductance value.

Abstract: An edema monitor uses patient-specific measurements of tissue conductivity and tissue perfusion and an empirically developed perfusion coefficient of thermal conductivity to obtain tissue intravascular water and tissue extravacular water components of tissue total water. Edema is an excess of tissue extravacular water. A value for edema is obtained by deducting from the obtained value for tissue extravacular water a normal value for tissue extravacular water.

Abstract: An earpiece includes an earpiece housing, at least one biometric sensor disposed within the earpiece, a wireless transceiver disposed within the earpiece for voice communications, an intelligent control operatively connected to the at least one biometric sensor and the wireless transceiver, a speaker operatively connected to the intelligent control, and at least one microphone operatively connected to the intelligent control. The earpiece is configured to monitor biometrics of a user using the at least one biometric sensor, communicate biometric data to the user, detect a crisis level event, and communicate occurrence of the crisis level event using the wireless transceiver.

Abstract: Disclosed are appendage mountable electronic systems and related methods for covering and conforming to an appendage surface. A flexible or stretchable substrate has an inner surface for receiving an appendage, including an appendage having a curved surface, and an opposed outer surface that is accessible to external surfaces. A stretchable or flexible electronic device is supported by the substrate inner and/or outer surface, depending on the application of interest. The electronic device in combination with the substrate provides a net bending stiffness to facilitate conformal contact between the inner surface and a surface of the appendage provided within the enclosure. In an aspect, the system is capable of surface flipping without adversely impacting electronic device functionality, such as electronic devices comprising arrays of sensors, actuators, or both sensors and actuators.

Abstract: A wearable device is disclosed, including a microprocessor control unit, a first switch module, a Bluetooth module, and a multimedia module. The wearable device can be connected to a terminal device by using the Bluetooth module to share data, use data locally stored in the multimedia module, and monitor data corresponding to a preset event by using the microprocessor control unit. The wearable device integrates multiple functions, and connections between the modules can be switched according to an application scenario of the wearable device, to implement a quick transition between the functions, and to improve intelligence of man-machine interaction.

Abstract: An apparatus is provided having a proximal end, a distal end, and an outer surface. The apparatus comprises a handle portion located near the proximal end of the apparatus, a supporting arm attached to the proximal end of the apparatus, the supporting arm having a tracking marker, a flexible tip portion located at the distal end of the apparatus, and a plurality of sensors located on the outer surface of the apparatus. The plurality of sensors each provides a signal representing information that is useable for determining deformation of the flexible tip portion. The apparatus may be either a sheath for covering a medical tool or the apparatus may be a medical tool.

Abstract: The invention relates to medicine, in particular, to vascular and endovascular surgery, and can be used for assessment of the condition of an isolated space of an aneurysmal sac after implantation of a stent-graft by measuring pressure inside the sac, and for administration of drugs to an aneurysm in a blood vessel as far as necessary. The device for measurement pressure in an isolated space of an aneurysmal sac and for administration of drugs to an aneurysm in a blood vessel is made in the form of a hollow tube. The tube has side apertures and is adapted to change a shape when introduced into an aneurysm, and to fill the entire interior space of the aneurysm at its circumference. The tube is also adapted to be connected to a pressure-measuring sensor through a detachable hollow tube to measure pressure between the vessel wall and the wall of a stent-graft implanted to the blood vessel, and to administer drugs through said detachable hollow rube.