Abstract: The invention provides a patient monitoring system for monitoring a patient in a bed. A video camera is used for capturing video images of the patient. Video analysis is used to determine and track the position of body parts of the patient including the hands. This analysis is enhanced by using sensors which detect interaction by the patient with pieces of equipment in the vicinity of the bed.

Abstract: Disclosed is a medical device that includes a phased array ultrasound transducer. The transducer includes a number of transducer elements that are electrically coupled to corresponding electrical conductors. In one embodiment, the conductors are included in a flex circuit and engage corresponding transducer elements though a conductive surface formed on outwardly extending ribs of a frame that holds the ultrasound array. In one embodiment, the phased array is forward facing in the medical device and has an element pitch of 0.75 lambda or less and more preferably 0.6 lambda or less. In one embodiment, the transducer is rotatable over an angle of +/?90 degrees to provide a 360 degree view of tissue surrounding the distal end of the device.

Abstract: An ultrasound diagnosis apparatus according to an embodiment includes a receiving unit and a changing unit. The receiving unit outputs an ultrasound received signal. The changing unit obtains, in accordance with a change in a spatial frequency of ultrasound image data subject to an imaging processing, a group of parameters related to a frequency characteristic of an imaging received signal that is output by the receiving unit as the ultrasound received signal to be used in the imaging processing and changes a center frequency and a frequency band to be used in the imaging processing performed on the imaging received signal, on a basis of the obtained group of parameters.

Abstract: Hearing protection combined with head motion tracking for magnetic resonance (MR) procedures is provided. Trackable earplugs include an MR-visible sample combined with a passive resonant circuit. The trackable earplugs act as wireless markers for the MR system. A third wireless MR marker can be disposed on the forehead of the subject to facilitate motion tracking in six degrees of freedom (i.e., 3 rotations, 3 translations). Preferably, the coordinate system for motion tracking is rotated relative to standard MR coordinates to ensure distinct tracking peaks from the two trackable earplugs.

Abstract: The present invention relates to a medical image processing device (10), comprising: —a receiving unit (60) for receiving a first and a second medical image (72, 74) of an anatomical object of interest (84), wherein each of the first and the second medical images (72, 74) comprises a different field of view of the anatomical object of interest (84), and wherein the first medical image and the second medical image (72, 74) show a same or similar anatomical state of the anatomical object of interest (84); —a registration unit (64) that is configured to determine a transformation from an image space of the second medical image (74) to an image space of the first medical image (72); —a transformation unit (66) that is configured to transform the second medical image (74) into the image space of the first medical image (72) based on said transformation in order to receive a transformed second medical image (74?); and —a segmentation unit (68) that is configured to perform an overall segmentation that makes use of

Abstract: A system and method for optical tomography including illuminating an object with pulsing stimulus light and pulsing the stimulus light at a repetition frequency having a pulse period that is greater than a dead-time of a detector. Coordinating the pulse with the dead-time of the detector allows for higher powered light source and improves early photon detection.

Abstract: The present invention relates to monitoring biological tissue during a delivery of energy. A probe-driving unit repeatedly drives an integrated push-and-track transducer unit, which is external to the control device, in repeatedly providing at least one ultrasonic push pulse (302) that is suitable for displacing biological tissue at a monitoring location (M), and in providing ultrasonic track pulses (301, 303) suitable for detecting tissue displacement occurring in response to the push pulse at the monitoring location, and in detecting and delivering ultrasonic tissue-response signals (R) relating to the track pulses. An evaluation unit receives the tissue-response signals, determines in real time whether a normalized displacement quantity has reached a threshold value, and provides an output signal when the threshold value has been reached.

Abstract: The present invention relates to a guidance device (10) for a TEE probe (20), a medical imaging system (1), a method for guiding a TEE probe (20), a computer program element for controlling such device and a computer readable medium having stored such computer program element. The guidance device (10) for a TEE probe (20) comprises an image data provision unit (11), and a processing unit (12). The image data provision unit (11) is configured to provide first image data showing an interventional device (40) and a TEE probe (20) in an initial position and orientation. The processing unit (12) is configured to determine a centerline of the interventional device (40) in the first image data. The processing unit (12) is configured to determine a plane (41) orthogonal to a tangent of the centerline as viewing plane. The processing unit (12) is configured to calculate an imaging plane and an imaging orientation of the TEE probe (20) to lie approximately in the viewing plane.

Abstract: A medical device for providing guidance to administered cardiopulmonary resuscitation during cardiac arrest in a subject comprising a measuring probe to measure a hemodynamic property of blood flowing through a blood vessel of the subject, an interface element with reference indicia to guide the measuring probe to major blood vessels of the subject experiencing cardiac arrest, and a blood flow monitoring device comprising a data module to collect measured hemodynamic properties of the subject and a guidance module configured to display resuscitation guidance information for manipulating at least one hemodynamic property of the blood.

Abstract: A medical device including both an intraluminal imaging apparatus and dual guidewire lumens is provided, allowing more accurate and stable catheter navigation and treatment delivery. The dual lumen catheter may also include members for increased torsional rigidity, distally located functional measurement sensors, and patterned radioopaque markers for orientation of the dual lumen exits.

Abstract: A medical device includes a conductive body having a surface and a sensor conformally formed on the surface and including a piezoelectric polymer formed about a portion of the surface and following a contour of the surface. The piezoelectric polymer is configured to generate or receive ultrasonic energy. Electrical connections conform to the surface and are connected to an electrode in contact with the piezoelectric polymer. The electrical connections provide connections to the piezo electric polymer and are electrically isolated from the conductive body over a portion of the surface.

Abstract: A system and method for monitoring lung water content of a patient. The system may include at least two microwave sensors and a processor. The system may transmit one or more microwave signals into the thorax of a patient using one or more of the microwave sensors. The system may then receive one or more of the microwave signals using one or more of the microwave sensors. The one or more received microwave signals may each have at least one associated frequency component with a magnitude and a phase. The system may analyze the phase of one or more received microwave signals to monitor changes in the lung water content. The system may analyze the magnitude of one or more received microwave signals to determine whether the lung water content is increasing or decreasing.

Abstract: A measurement probe is configured to be detachably connected to a bio-optical measurement apparatus and includes: an illuminating fiber configured to irradiate body tissues with illumination light; light receiving fibers configured to receive return light of the illumination light reflected and/or scattered from the body tissues; an optical element configured to transmit the illumination light and the return light and to keep distances between the body tissues and distal ends of the illuminating fiber and the light receiving fibers, constant; and a contact detecting fiber configured to receive the return light to detect contact between a distal end face of the optical element and the body tissues, and detect the return light at a detection region on the distal end face through which the illumination light and the return light pass. The detection region is located outside an illumination region of the illuminating fiber.

Abstract: A medical image viewing device for navigation in X-ray imaging includes a processor. The processor is configured to perform a 3D-2D registration of a preoperative three-dimensional volume based on geometry parameters of an image data provider, which provides fluoroscopy images of an object of interest and a plurality of structures with interfering motions to be removed, for creating digitally reconstructed radiograph images of these structures for each fluoroscopy image. These are subtracted from the respective fluoroscopy images to generate structure-suppressed fluoroscopy images free from interfering motions. Based on these structure-suppressed fluoroscopy images, an angiographic image sequence is generated performing a motion estimation of the structures.

Abstract: Systems and methods for improving limited-view photoacoustic tomography using an acoustic reflector are described. In particular, an acoustic reflector and ultrasonic transducer array are integrated to provide a virtual array that enhances the field of view of the ultrasonic transducer array, thereby improving the quality of photoacoustic tomography images obtained using the systems and methods described herein.

Abstract: A device, system and a method extract physiological information indicative of at least one vital sign of a subject. To provide a high motion robustness, an input interface is configured to obtain at least two detection signals derived from detected electromagnetic radiation transmitted through or reflected from a skin region of a subject. Each detection signal includes wavelength-dependent reflection or transmission information in a different wavelength channel. At least two pulse signals are computed from said at least two detection signals using different signature vectors for the computation of each pulse signal. Quality indicator values are computed for the pulse signals indicating a characteristic of the respective pulse signal. Physiological information indicative of at least one vital sign is derived from the signature vector resulting in the pulse signal with the best quality indicator value and/or from the pulse signal.

Abstract: In a magnetic resonance apparatus and operating method therefor, movement compensation during raw data acquisition is accomplished by operating the data acquisition scanner to acquire data from a reference navigator volume at a first point in time, using a simultaneous multi-slice technique with a first acceleration factor and a first number of first slice groups, and to acquire data from a navigator volume at a second point in time, also using a simultaneous multi-slice technique, but with a second acceleration factor and a second number of second slice groups, with the first and second acceleration factors being equal. Movement information is determined from the reference navigator volume and the navigator volume, describing movement of the patient occurring between the first and second points in time. Data acquisition parameters of the scanner are set after the second point in time, dependent on the movement information, for acquiring further magnetic resonance data.

Abstract: Method for analyzing data provided by Magnetic Resonance Imaging with dynamic administration of contrast medium in patients with locally advanced rectal cancer, after neoadjuvant radio-chemotherapy, comprising: making available pre- and post-treatment digital images, having one or more regions of interest identified; splitting the regions of interest into portions; calculating first and second time-intensity curves for each portion of the regions of pre- and post-treatment interest, respectively; calculating the maximum signal difference and gradient of the wash-out section for the curves calculated; calculating the median value of the maximum signal difference and of the gradient calculated; calculating the percentage variation between the median values of the maximum signal difference and of the gradient of the wash-out section calculated for each of the first and second curves; linearly combining percentage variations of the maximum signal difference and of the gradient of the wash-out section, to define a