Abstract: An intravascular imaging device is provided. In some embodiments, the intravascular imaging device includes a flexible elongate member sized and shaped for insertion into a vessel of a patient, the flexible elongate member having a proximal portion and a distal portion; and an imaging assembly disposed at the distal portion of the flexible elongate member, the imaging assembly including a flex circuit positioned directly around the flexible elongate member. In some embodiments, a method of assembling an intravascular imaging device includes obtaining a flex circuit including a first layer having a plurality of transducers and a second layer having an acoustic backing material; and positioning the flex circuit directly around a distal portion of a flexible elongate member.

Abstract: A diabetes risk detection method, an electronic device, and a system are disclosed and are applied to the field of terminal technologies, to resolve a problem in the conventional technology that an obtained diabetes risk detection result is inaccurate when time for collecting a photoplethysmography signal is short. The method includes: obtaining first data and second data, where the first data includes a photoplethysmography (PPG) signal obtained via a PPG sensor, and the second data includes one or more of the following: diet data, exercise data, physical symptom data, drug use data, sleep data, or emotion data; determining a diabetes risk detection result based on the first data and the second data; and outputting the diabetes risk detection result to prompt a user with a health status.

Abstract: A medical information processing device of an embodiment includes processing circuitry. The processing circuitry is configured to acquire a CT image of a chest of a subject, acquire an esophageal pressure and an airway pressure of the subject, generate a risk information map in a lung field of the subject on a basis of the CT image, the esophageal pressure, and the airway pressure, estimate risk information in the lung field of the subject on a basis of the risk information map, and display the risk information map and the risk information on a display.

Abstract: Disclosed herein are a surgical system for patella tracking and a method for selecting a properly-sized patellar implant utilizing the same. The surgical system may include first and second trackers and a patellar tracking system. The first tracker may be configured to contact an unresected or a resected patella, and the second tracker may be configured to contact a bone. The patellar tracking system may be configured to track the first and second trackers during patellar flexion and extension to generate patellar range of motion and patellar trial range of motion. A method for selecting a patellar implant may utilize the first and second trackers and the patellar tracking system.

Abstract: Methods, systems, and apparatuses are described for optimizing placement of transducer arrays on a patient.

Abstract: A method performed by a surgical system. The method includes receiving a first image from an endoscope, the first image having a surgical instrument at a first location within a field of view of the endoscope. The method matches a three-dimensional (3D) model of the surgical instrument to the first image. The method receives a second image receives a second image from the endoscope, the second image having the surgical instrument at a second location within the field of view of the endoscope, and matches the 3D model of the surgical instrument to the second image. The method estimates a distance between the first and second locations based on both matchings and one or more parameters of the endoscope.

Abstract: The present invention is aimed toward facilitating confirmation that an affected area has been sonicated with therapeutic ultrasonic waves in a treatment performed using an ultrasonic therapeutic apparatus. During therapeutic ultrasound transmitting processing, an ultrasonic transducer is caused to transmit the therapeutic ultrasonic wave. During sonicated-region image generating processing, after the therapeutic ultrasonic wave is transmitted, the ultrasonic probe is caused to transmit a plurality of imaging pulses or a plurality of ultrasonic waves at different time points and with different phases, and a plurality of received signals based on a plurality of reflected ultrasonic waves that have been reflected by body tissue and received by the ultrasonic probe are summed, to thereby generate sonicated-region data based on nonlinear components of the respective received signals. During auxiliary ultrasound transmitting processing, the ultrasonic transducer is caused to transmit an interleaved pulse.

Abstract: An assembly for facilitating ultrasonic visualization of positioning of a needle inserted into tissue includes a needle that is inserted into a sheath to define a transport channel between an outer surface of the needle and an inner surface of the sheath for transport of a fluid that is introduced into the sheath. The transport channel includes features that induce formation of ultrasonically visible features from the fluid. These features exit from the end of the sheath where they can be detected via ultrasonic imaging.

Abstract: An embodiment of the invention provides a system for automatically deriving a parameter of a human heart from ultrasound results. A first neural network is arranged to receive a plurality of echocardiographic images and to classify the images into one of at least a two-chamber view and a four-chamber view. A second neural network is arranged to receive echocardiographic images comprising a two- or four-chamber view and to identify the endocardial border of the left ventricle (LV) for each view. End-systole and end-diastole images are then identified and a parameter such as LV volume, ejection fraction, global longitudinal strain and regional longitudinal strain is calculated.

Abstract: A surgical device is provided includes a hand-held portion with a working portion movably coupled to the hand-held portion for driving a tool. Actuators are provided for moving the working portion with each of the actuators having a travel range. An indicator notices a user when at least one of actuators is: (i) within the travel range; (ii) approaching a travel limit of the travel range; or (iii) outside the travel range. A surgical system is also provided inclusive the surgical device and a computing system configured to activate the indicator.

Abstract: A marking device comprises a support structure configured to transition between radially compressed and axially compressed states. The support structure comprises a plurality of substantially rectangular segments bounded by first and second tubular ends extending along a longitudinal axis of the marking device and each having a first end and a second end. At least one of the first ends and the second ends terminates at one of the first and second tubular ends. When the support structure is in the radially compressed state, the plurality of segments extend substantially parallel to one another along the longitudinal axis of the marking device. And, when the support structure is in the axially compressed state, at least a portion of the plurality of segments flair radially outward such that a central portion of the support structure has a curved shape encompassing an interior space bounded by the first and second tubular ends.

Abstract: A system for imaging an airway for assessing obstructive sleep apnea (OSA) can include first and second ultrasound transducer arrays on first and second body members, respectively, configured to adhere the first and second ultrasound transducer arrays at first and second fixed positions on a neck while ultrasound scanning. A processor circuit can be coupled to the first and second ultrasound transducer arrays, the processor circuit configured to operate the first and second ultrasound transducer arrays for pulse-echo imaging of a soft tissue-airway interface to generate respective first and second volumetric ultrasound image data sets in real-time to provide an integrated volumetric image of the soft tissue-airway interface from the first and second fixed positions on the neck.

Abstract: A method of detecting a heart rate using a photoplethysmography (PPG) signal with a removed motion artifact includes receiving, by a heart rate measurement device, a PPG signal and an acceleration signal; converting, by the heart rate measurement device, the PPG signal and the acceleration signal into signals in a frequency domain; calculating, by the heart rate measurement device, a difference between the PPG signal and the acceleration signal in the frequency domain and obtaining a PPG signal with a removed motion artifact; and estimating, by the heart rate measurement device, a heart rate based on the PPG signal with the removed motion artifact.

Abstract: A method includes sensing sound reflections from a living body and determining frequency intensities in the sound reflections at each of a sequence of time windows. The frequency intensities are then used to predict the presence of liver cancer.

Abstract: Diagnostic apparatus includes a plurality of antennas, which are configured to be disposed at different, respective locations on a thorax of a living body so as to direct radio frequency (RF) electromagnetic waves from different, respective directions toward a heart in the body and to output RF signals responsively to the waves that are scattered from the heart. Processing circuitry is configured to process the RF signals over time so as to provide a multi-dimensional measurement of a movement of the heart.

Abstract: The disclosure relates to a hygiene cover for preventing a contamination of a target surface of a medical imaging device. The hygiene cover is configured for reversibly attaching to the target surface of the medical imaging device and/or a body region of a patient, and the reversible attachment is configured to provide for maintaining a predefined relative position of the hygiene cover to the medical imaging device.

Abstract: A method and apparatus for evaluating aortic dissection surgery, an electronic device, and a storage medium are provided. The method comprises: obtaining a preoperative aortic model of a patient; simulating aortic dissection surgery on the basis of a virtual stent technology and the preoperative aortic model to obtain a postoperative aortic model; obtaining displacement amount of the same blood vessel node between the preoperative aortic model and the preoperative aortic model; and evaluating a surgical risk degree of the patient on the basis of the displacement amount. The occurrence probability of postoperative complications is related to the displacement amount.

Abstract: A patient table for a medical imaging system includes a multi-layered patient support including a top patient support configured to articulate and a bottom patient support, wherein the multi-layered patient support is configured to support a subject to be imaged, and wherein the top patient support is configured to move between a first configuration where the top patient support is flat and horizontal to support the subject in a recumbent position and a second configuration where the top patient support is in an upright-chair configuration to support the subject in an upright seated position. The patient table also includes a platform, wherein the platform is coupled to and supports the multi-layered patient support, and wherein the platform is configured to keep the multi-layered patient support at a desired elevation and to move the multi-layered patient support into and out of a bore of a gantry of the medical imaging system.

Abstract: Disclosed are a high-intensity focused ultrasound (HIFU) device capable of the three-dimensional treatment, a control method thereof and a treatment method using the same, in which treatment spots are formed along a circular path by rotating ultrasound transducers during skin treatment, thereby enabling three-dimensional treatment.

Abstract: Embodiments of ultrasound systems and methods for using the same are disclosed. In some embodiments, an ultrasound system includes a mobile computing device configured to be wirelessly coupled to the ultrasound scanner and display an ultrasound image based on reflections of ultrasound, and a docking station to support the mobile computing device. The ultrasound system also includes a processor system configured to enable the ultrasound system with additional ultrasound features when the mobile computing device is supported by the docking station, which are unavailable to the ultrasound system when the mobile computing device is unsupported by the docking station.