405 results about "Body tissue" patented technology

Ultrasound probes, ultrasound systems, and ultrasound methods with pressure measurement capabilities for detecting and determining if bodily tissue is over-compressed during ultrasound imaging procedure. An ultrasound probe can include a probe body, an articulating probe head attached to the probe body, and a pressure-sensing device housed in an articulating area between the articulating probe head and the probe body. A method can include placing the articulating probe head of the ultrasound probe on a skin surface of a patient and moving the articulating probe head of the ultrasound probe over the patient while ultrasound signals are emitted into the patient from the articulating probe head. The method can also include monitoring for measured pressure values induced on the patient by the articulating probe head to determine whether a threshold pressure value has been exceeded.

A biometric wearable device (e.g. finger ring or smart watch) has optical sensors to measure body oxygenation level, hydration level, glucose level, heart rate, heart rate variability, and / or blood pressure. Light from light emitters is transmitted through body tissue and changes in the light are analyzed. The angles and / or vectors along which the light is transmitted through body tissue can be automatically changed by the device in order to scan different tissue regions and / or different tissue depths.

Devices and methods are disclosed for treating tissue with microwave energy. Such devices and methods are able to treat cavities or surface tissue by creating one or more area or volumetric lesions. Also disclosed are flexible, low-profile devices that can be inserted non-invasively or minimally invasively near or into the target tissue as well as microwave antennas designed to generate ablation profiles that can ablate a large area or a large volume of target tissue in a single ablation. The devices include antennas wherein the field profile generated by an antenna is tailored and optimized for a particular clinical application. The antennas use unique properties of microwaves such as interaction of a microwave field with a metallic object and the use of additional shaping elements to shape the microwave field.

Provided is a program, etc. capable of acquiring information related to an amount of body tissue from an X-ray image with high accuracy using a small number of cases. A computer acquires training data including an X-ray image of a target site and information related to an amount of body tissue obtained from a CT (Computed Tomography) image of the target site. The computer generates a learning model configured to output information related to an amount of body tissue of a target site in an X-ray image when the X-ray image is input using acquired training data.

An adaptable partial circumferential tourniquet is disclosed that allows for broad application to hemorrhage sites on a human patient. The tourniquet includes a baseplate having an adaptable size with a pair of depending arms that extend lateral from each side of the baseplate. A cable and ratchet arrangement allow for the extension of the depending arms to form a semi-circumferential enclosure around a tourniquet site with the ability to cinch or constrict around the tourniquet site. A V-shaped bladder with integrated side portions expands once the tourniquet is arranged on a patient to apply pressure to tissue resulting in vasculature occlusion. Due to the unfolding segmented nature of the depending arms, the tourniquet has broad application to different body tissue sites. The based plate also includes ports, slots, and openings to allow for other medical procedures to proceed even after tightened positioning and inflation of the tourniquet.

A method of diagnosing a condition of bodily tissue using a computer, the method comprising comparing, using a computer, a 3D tissue model derived from an ultrasound scan of the bodily tissue with at least one 3D tissue model having common tissue with the bodily tissue, and diagnosing a condition of the bodily tissue responsive to comparing the 3D tissue models.

Disclosed is a computer-implemented method for real-time classification of cells in a body tissue that includes capturing one or more images of a cytology slide sample of the body tissue, pre-processing the captured one or more images, detecting and extracting a plurality of regions of interest in the pre-processed images using a cell detection process, wherein each region of interest includes one or more cells or cell clusters of interest, segmenting each individual cell or cluster in the regions of interest and extracting pixel content of each segmented cell or cluster, extracting semantic features from each segmented cell image using an embedding extraction model, classifying each individual cell or cell cluster based on corresponding extracted sematic features, and predicting a class of the cytology slide sample, based on one or more positions and relationships among one or more classified cells, using a slide level decision model.

A biometric wearable device (e.g. finger ring or smart watch) has optical sensors to measure body oxygenation level, hydration level, glucose level, heart rate, heart rate variability, and / or blood pressure. Light from light emitters is transmitted through body tissue and changes in the light are analyzed. The angles and / or vectors along which the light is transmitted through body tissue can be automatically changed by the device in order to scan different tissue regions and / or different tissue depths.

The invention provides a body composition analysis and comparison system based on a medical image. The body composition analysis and comparison system comprises a composition statistics module and an analysis and comparison module, the component statistics module performs preliminary statistics on data related to body components based on the segmented medical image; the component statistics module comprises a pixel statistics module for determining the proportional relation of different body components by counting the number of different types of pixel points in the segmented medical image, an area measurement module for converting the number of pixels into a real physical area on the basis of pixel statistics, a density evaluation module for evaluating the density of the physical area, and an area calculation module for calculating the density of the physical area. On the basis of pixel statistics and area measurement, calculating an average gray value of the segmented regions, and estimating physical characteristics of body tissues corresponding to the medical image; and the analysis and comparison module carries out variable quantity calculation, visualization processing of a change area and generation of an analysis and comparison report based on different data obtained by the component statistics module. According to the invention, the comprehensiveness, accuracy and consistency of medical image recognition and analysis can be improved.

In view of the problems and the like of the prior art, the purpose of the present invention is to provide a method for imaging body tissue rapidly and robustly using waveform inversion from ultrasound examination data.　The method for imaging body tissue rapidly and robustly using waveform inversion from ultrasound examination data according to the present invention comprises: (a) a step for acquiring ultrasound examination data; (b) a step for generating one wave field by means of a plurality of computers (CPUs); (c) a step for integrating squared errors (which constitute fc in expression (5)) from all CPUs, each squared error being the error between a waveform recorded at a reception point from the wave field and an observed waveform obtained in step (a); (d) a step for re-dividing a correction gradient and a pseudo Hessian matrix into regions with an equal number of CPUs in the x-direction; (e) a step for re-dividing from the uniform regions in the x-direction into regions with an equal number of CPUs in the y-direction; (f) a step for calculating a step length required for model updating in full-waveform inversion using a quasi-Newton method while maintaining the division of regions in the x-direction; and (g) a step for repeating the steps (b) to (f) to obtain imaging of a viscosity Q value in addition to a sound wave propagation velocity. Expression 5: Here, fc (scalar quantity) is a cost function representing the sum of squared residuals between the observed data (d_obs) and the synthetic data (d_syn) calculated from the initial model at all times of all reception points, and Ns, Nr, Nt are respectively the number of transmission points, the number of reception points, and the number of time samples.

A method of monitoring a subject with an opto-physiological sensor system is described herein. The method comprises obtaining a model of the optical properties of at least one body tissue type to be monitored, wherein the model of the optical properties comprises a definition of static (DC) and dynamic (AC) components of transmitted optical power and a definition of a source-detector separation related to a normalised path length for an illumination source of the opto-physiological sensor: obtaining an indication of at least one physiological property of the subject from a wearable device worn by the subject: obtaining an indication of at least one physical variable from the wearable device worn by the subject; determining, using the opto-physiological model, how the at least one physical variable affects the at least one physiological property; and determining a corrected value for the physiological property based on the determination of how the at least one physical variable affects the at least one physiological property.

The invention provides a radio stimulation acupuncture device. The radio stimulation acupuncture device comprises a main body; the acupuncture needle clamp is movably arranged on the main body and is used for clamping an acupuncture needle to realize electric connection; the conductive patch is arranged on the main body and is used for being electrically contacted with a target object; one end of the pulse driving module is electrically connected to the acupuncture needle clamp and used for applying electric pulses to the acupuncture needle through the clamp, and the other end of the pulse driving module is electrically connected with the conductive patch and matched with the body tissue of the target object to conduct the electric pulses to form a loop; the power supply module is electrically connected with the pulse driving module so as to provide electric energy for the pulse driving module; according to the wireless stimulation acupuncture and moxibustion device, no cable is arranged outside the device, the whole device is combined into a whole, the device can be conveniently stored and arranged, and the situation that the use convenience is affected due to mutual winding of wires is avoided. The electrical stimulation acupuncture and moxibustion device is combined with traditional acupuncture and moxibustion, acupuncture points and meridians and collaterals can be deeply stimulated through the acupuncture and moxibustion needle, and the defect that electric pulses generated by existing patch electrodes cannot be deeply stimulated is overcome.

The present invention relates to novel body tissue radiofrequency applicators (50), referred to as BTRFAs, as well as to a non-invasive medical head device useful for stabilizing and / or reversing the symptoms of neurodegenerative diseases and / or proteinopathies. The novel BTRFAs and medical head device are particularly useful for stabilizing and / or reversing the symptoms of Alzheimer's disease and / or Parkinson disease in a subject in need thereof.

A method of monitoring a subject using a photophysiological sensor system is described herein. The method comprises: obtaining a model of optical properties of at least one body tissue type to be monitored, where the model of optical properties comprises a definition of static (DC) and dynamic (AC) components of transmitted optical power and a definition of a source-detector interval related to a normalized path length of an illumination source for the photophysiological sensor; obtaining, from a wearable device worn by the subject, an indication of at least one physiological characteristic of the subject; obtaining an indication of at least one physical variable from a wearable device worn by the object; determining how the at least one physical variable affects the at least one physiological characteristic using the photophysiological model; and determining a corrected value of the physiological characteristic based on the determination of how the at least one physical variable affects the at least one physiological characteristic.

Immunogenic compositions that include an adjuvant formed from nanoparticles of saponins combined with cholesterol and phospholipids have particular interactions with body tissue and immune cells. These interactions include increased immune response in the draining lymph node, strong activation of T and B cells in the lymph node, and rapid clearance of the saponin fraction while the cholesterol fraction remains in the system.

Bipolar electrosurgical forceps are provided with dual irrigating tubes that deliver irrigating liquid to the opposed surfaces of the tips of the forceps to prevent the sticking of body tissue to the tips. To reduce the manufacturing costs of the forceps and enable the forceps to be single use, disposable forceps, each tube of the dual irrigating tools is a plastic tube adhered along one of the opposing surfaces of the pair of forceps arms. Each tube also has a flat nozzle at the distal end of the tube that disburses irrigating liquid across the opposed surfaces of the forceps arm distal and tips.

The utility model discloses a pair of ring taking forceps with an anti-slip structure, which comprises a left forceps rod and a right forceps rod, and the left forceps rod and the right forceps rod are rotationally connected with each other through a transmission shaft; metal rings are fixed at the tail ends of the left-side forceps rod and the right-side forceps rod; forceps heads are fixed at the front ends of the left-side forceps rod and the right-side forceps rod; an anti-slip mechanism is arranged on the inner side of each forceps head, after the forceps heads on the left side and the right side extend into the body of a patient to clamp the contraceptive ring, the contraceptive ring can be clamped in a reinforced mode under the damping effect of the anti-slip mechanisms, and the contraceptive ring is prevented from falling off in the process that the ring taking forceps retreat from the body of the patient. The contraceptive ring clamping anti-slip mechanism is arranged in the contraceptive ring taking forceps with the anti-slip structure, the stability in the contraceptive ring clamping process can be improved, the front end of the contraceptive ring taking forceps is of an arc-shaped structure, the body tissue of a patient can be prevented from being damaged in the contraceptive ring clamping process, and the use safety of the contraceptive ring taking forceps is improved.

A biometric wearable device (e.g. finger ring or smart watch) has optical sensors to measure body oxygenation level, hydration level, glucose level, heart rate, heart rate variability, and / or blood pressure. Light from light emitters is transmitted through body tissue and changes in the light are analyzed. In an example, the device can include body-facing protrusions where the light emitters and / or the light receivers are located.

A guiding apparatus, system, method, and forceps device for facilitating placement of sutures in a surgical procedure. The apparatus including a shaft portion having a non-circular aperture extending laterally therethrough and a blade portion having a shank extending at an angle from the shaft portion and a blade having a blade aperture extending from the shank. The system includes a plurality of the apparatuses held substantially parallel by an elongated rod through the apertures of the shafts. The blade apertures guide the at least one suture to a desired location to pierce through a target body tissue.

Systems and methods for assessing a neurological condition of a user includes detectors positioned at a surface of a skin of a wrist of a hand of the user. The detectors include a first pair of detectors configured to output a first output and a second pair of detectors configured to output a second output based on detected electrical potentials. Circuitry is configured to reduce amplitudes indicative of frequency components characteristic of ambient noise from the first output and the second output, generate data values based upon the first output and the second output, extract features from the data values including at least a feature based on relative amplitudes between the first output and the second output, and analyze the extracted features to assess the neurological condition of the user.

A method of additive manufacturing an object featuring properties of a hard bodily tissue, comprises: dispensing and solidifying a plurality of non-biological material formulations to sequentially form a plurality of hardened layers in a configured pattern corresponding to a shape of the object. The method forms voxel elements containing different material formulations at interlaced locations to provide a three-dimensional textured region spanning over the portion. The material formulations and the interlaced locations are selected such that the textured region exhibits, once hardened, a stress variation of at most ±20% over a strain range of from about 0.1% to about 0.3%.

The invention discloses a composition for preventing and treating plateau erythrocythemia and application of the composition, and relates to the technical field of pharmaceutical composition preparation. The composition is prepared from PT2385 and salidroside. The combination of PT2385 and salidroside can effectively inhibit hyperplasia of red blood cells of HAPC rats, reduce hemoglobin and relieve blood flow stasis and microcirculation disturbance of body tissues and organs caused by hypoxia, so that hypoxia phenotypic characteristics of the HAPC rats are improved. In addition, free radicals can be effectively removed, oxidative stress, peroxidation reaction and inflammatory reaction induced by hypoxia are inhibited, the mitochondrial function is protected, and the dysfunction of HAPC rat tissue and organ injury is improved. The problem that in the prior art, an effective medicine for preventing and treating plateau erythrocythemia is lacked is solved.

A medical sampling device for use with an endoscope or catheter for flushing a body cavity and / or sampling a body fluid and / or body tissue, the endoscope or catheter having a suction channel and a suction connector in fluid communication with the suction channel, the sampling device comprising a suction inlet for connection to the suction connector, a suction outlet for connection to a vacuum source, a sampling outlet for connection to a sample container, a sampling inlet for connection to the sample container, and a valve having a valve member and a valve housing, wherein the valve member has a first chamber and a second chamber and is rotatable relative to the valve housing between a first position in which the first chamber establishes fluid communication between the suction inlet and the sampling inlet, a second position in which the second chamber establishes fluid communication between the sampling outlet and the suction outlet, and a third position in which one of the first chamber and the second chamber establishes fluid communication between the suction inlet and the suction outlet.

A tracker system for use in image guided surgery is disclosed. The tracker system may couple to wet tissue and may include a navigation tracker and a base pad that couple to each other. The base pad may be fabricated from a plurality of nonwoven nanofibers. The base pad is configured to couple to body tissue of a patient via at least one of adsorption, hydration equilibrium, and macromolecular interpenetration.

Disclosed is a computer-implemented method for real-time detection of cancerous cells in a body tissue that includes capturing one or more images of a microscopic slide sample of the body tissue, pre-processing the captured one or more images, detecting and extracting a plurality of regions of interest in the pre-processed images using a cell detection process, wherein each region of interest includes one or more cells of interest, segmenting each individual cell in the regions of interest and extracting pixel content of each segmented cell, extracting semantic features from each segmented cell image using an embedding extraction model, classifying each individual cell in cancerous or benign class based on corresponding extracted sematic features, and predicting whether the microscopic slide sample classifies in cancerous or benign class, based on one or more positions and relationships among one or more cells classified as cancerous, using a slide level decision model.

Provided herein is a non-invasive biometric sensing and monitoring device that may be employed in a non-invasive method with the potential for comprehensive analysis and data processing. The non-invasive biometric sensing and monitoring device may be employed for determining a characteristic of a state of a wearer using the device based on a value of a biomolecule within a body tissue of the user. The device may include a housing for retaining one or more components of the biometric device. The components may may include a substrate, such as a printed circuit board, and may further include one or more of an signal generator, a microwave structure based sensor unit, a filter unit, a receiver component, an analog to digital converter, a control unit, one or more buffers, a communications module and controller as well as an analytics system.

A system for closing trocar wound sites includes a suture engagement device and a guide to direct the device through the body tissues. An improved needle and guide instrument set allows for the surgical placement of suture to be completed "blind," namely, without the aid of an endoscope for direct visualization of the abdominal cavity. The guide can include markings to accurately determine a depth of the guide and, therefore, accurately determining a suture fascial tissue bite distance. This may be advantageous in certain surgical procedures where an endoscope is not being used or does not provide adequate visualization of the surgical site.

An engineered adhesive fashion tape element comprising a constructed dynamic function includes a multilayered embodiment with strategically placed predetermined predisposed direction and designed with multilayered materials, a modern dynamic function solution lifting projecting and supporting a user's breast tissue and body tissue to defy gravity for a sustained period while wearing and functioning with daily activities. An adhesive tape and methodology to replace wearing a bra, for a healthier and improved solution so the user can have an alternative to wearing an underwire bra, and traditional bra, shapewear, breast tissue and body tissue shaping structure. An improved alternative to wearing an adhesive bra cup and shaping garments with a variety of fashion which achieves projection lift support and defies gravity for the breast tissue and body tissue.

The invention relates to an intracranial catheter (2) for measuring blood flow through body tissue, comprising a longitudinal body (4) adapted to be inserted into a skull chamber, the device comprises a longitudinal body (4) having a tip element (6) forming a distal end of the longitudinal body (4) and preferably having a channel extending from a proximal end of the longitudinal body (4) to at least one opening (18) of the tip element (6), and a sensor (22) configured to detect a pulsating pressure profile, the pulsating pressure profile is analyzed via a pulse profile analysis performed by a processing unit (44) coupled to the sensor (22).

The utility model discloses a laparoscope switching device, which relates to the technical field of switching, and comprises a training switching device and an operation display screen arranged on the top surface of the training switching device, and the top surface of the training switching device is fixedly connected with an extension table convenient to operate. The two sides of the inner wall of the extension table are jointly and rotationally connected with a switching structure which is convenient to insert during laparoscope training and can flexibly rotate, and a carrying table used during training bearing is arranged on one side of the surface of the training switching device. The connecting structure rotates in the extending table, the rotating rectangular block in the extending table rotates along with the extending table, a through design in the correcting pipe is connected with the laparoscope in a sleeved mode to form a connecting effect, body tissue is restored to a greater extent, training operation is not affected while the visual field is limited, and the training efficiency is improved. And meanwhile, effective help is provided for laparoscope training.