205 results about "Body tissue" patented technology

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.

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.

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.

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.

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.

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.

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 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.

The invention belongs to the technical field of postoperative compression hemostasis equipment, and particularly relates to a thoracic cavity postoperative compression hemostasis protection device which comprises a compression cloth piece, a through hole is formed in the upper surface of the compression cloth piece, a protection cover is fixedly connected to the hole wall of the through hole, and two symmetrically-distributed arc-shaped open grooves are formed in the outer wall of the bottom end of the protection cover; the bottom end of the protective cover is fixedly sleeved with an elastic sealing rubber cover, and the inner wall of the protective cover is fixedly connected with a compression hemostasis mechanism. The chest post-operation compression hemostasis protection device not only has the functions of compression hemostasis, sealing isolation protection and visual compression force, but also has the capability of accurately controlling the compression force to avoid the situation that the compression force is too large or too small, and also has the function of preventing body tissues on the two sides of an incision after the chest operation from being pulled to prevent the incision from being secondarily damaged, so that the safety of a patient is improved. The use reliability of the device is effectively improved, the recovery safety and comfort of a patient are improved, and the compression hemostasis and recovery effects of the patient after the thoracic surgery are guaranteed.

The application provides an endoscopic imaging system field mask obtaining method and device, wherein the endoscopic imaging system field mask obtaining method comprises the following steps: firstly, imaging a target object to obtain a target image; then, determining the positions of feature pixel points in the target image according to the pixel values of the target image; then, forming a binary image according to the positions of the feature pixel points; finally, performing morphological processing on the binary image to obtain an endoscopic imaging system field mask. Through the endoscopic imaging system field mask obtaining method, the circular window region of the fiber bundle end face can be accurately identified, and the endoscopic imaging system field mask can be obtained at a high speed. The obtained endoscopic imaging system field mask has a good shielding effect on the region outside the circular window of the fiber bundle end face, and is convenient for diagnosing the body tissue lesion condition of a subject.

The application relates to the technical field of medical instruments, in particular to a mirror holding robot, which comprises a general base, a plurality of branch chains, a movable platform and a laparoscope. The first ends of the branch chains are rotatably arranged relative to the general base, and the first ends of at least three branch chains are arranged in a circumferential interval around a same center point. The movable platform is rotatably connected to the second ends of the branch chains, and the branch chains are driven to cooperate with the laparoscope through the movable platform. The plurality of branch chains form a parallel mechanism, and are connected to the laparoscope through the movable platform. A constraint relationship is formed among the plurality of branch chains, and the translation freedom of the laparoscope is limited. That is to say, the parallel mechanism formed by the plurality of branch chains can make the laparoscope rotate around a telecentric fixed point, and the telecentric fixed point does not need to be fixed by an algorithm of a control system. No matter how the algorithm is, the laparoscope will not produce a transverse displacement under the driving of the plurality of branch chains, so that tearing and damage to the body tissue of a patient can be avoided.

The present invention provides muscle-derived progenitor cells that show long-term survival following transplantation into body tissues and which can augment non-soft tissue following introduction (e.g. via injection, transplantation, or implantation) into a site of non-soft tissue (e.g. bone) when combined with a biocompatible matrix, preferably SIS. The invention further provides methods of using compositions comprising muscle-derived progenitor cells with a biocompatible matrix for the augmentation and bulking of mammalian, including human, bone tissues in the treatment of various functional conditions, including osteoporosis, Paget's Disease, osteogenesis imperfecta, bone fracture, osteomalacia, decrease in bone trabecular strength, decrease in bone cortical strength and decrease in bone density with old age.

A placement tool (200) for assisting in the treatment of a subject in an external radiation therapy program including one or more external radiation therapy treatment sessions includes an inserter (204) having a proximal end (40) and a distal end (20), the inserter configured for insertion through an entrance into a tube (602) connected to body tissue (610) of the subject, the inserter including an elongate member (210) provided with an elongate member lumen (214) configured to receive an effector shaft (310) of a steering guide (300), and an elongate member lumen (214) configured to insert the effector shaft (310) into the lumen (214) from outside the entrance of the tube. and a guide strand (218) for guiding the guide strand (218) into the lumen (214), the guide strand (218) being at least partially disposed within the lumen (214) and constrained at or toward the distal end (20) of the guide strand (218) to limit or prevent sliding of the guide strand (218) in a proximal direction relative to the lumen (214), wherein the placement tool (200) is configured to move and / or secure the target vessel (602) and body tissue (610) relative to an ionizing radiation therapy beam for an external beam radiation therapy treatment session.

The utility model discloses a plasma operation electrode cutting in-vitro tissue temperature test platform, which comprises a plasma host, a plasma operation electrode, a temperature measurement console, a temperature recorder, a time synchronization controller and a computer, and is characterized in that the plasma operation electrode is connected with an operation electrode interface of the plasma host through a lead; according to the test platform, the plasma operation electrode can be conveniently clamped and fixed by arranging the adjusting sliding block, the annular clamping frame and the anti-skid layer, and the spatial position of the plasma operation electrode clamped and fixed by the electrode clamping mechanism can be conveniently and accurately adjusted in the x direction, the y direction and the z direction by arranging the supporting column, the connecting sleeve, the connecting block, the positioning bolt and the connecting rod; the depth of the plasma operation electrode tool bit fixed on the electrode clamping mechanism inserted into the in-vitro tissue and the distance between the plasma operation electrode tool bit and the temperature measuring probe can be conveniently controlled, so that temperature data of different depths in the in-vitro tissue can be conveniently measured, and the temperature of the in-vitro tissue can be conveniently and accurately measured.

A surgical kit for providing a cryoprotective composition configured to be applied during cryotreatment of a patient includes: a first container containing a predetermined amount or volume of a biodegradable and / or bioerodible fluid agent; and a second container containing a predetermined amount or volume of a non-toxic cryoprotectant agent. The predetermined amount or volume of the of biodegradable and / or bioerodible fluid agent and the predetermined amount or volume of a non-toxic cryoprotectant agent are configured to be mixed together to form the cryoprotective composition in which a therapeutically effective amount of the cryoprotective composition deposited in a body space of the patient in proximity to the cryotreatment remains within at least a portion of the body space for a duration of the cryotreatment and at least a portion of a body tissue proximate to the body space is viable after the cryotreatment.

An injection device has a longitudinal axis X that defines distal and proximal axial directions and includes a needle formed from relative rigid and inflexible material. The device also includes an abutment member at its distal side and the needle is movable to project in a distal direction beyond the abutment member along an axis T that is inclined relative to the longitudinal axis X.

Devices and systems are disclosed for managing and / or treating body tissues obstructing a hollow body lumen, including the prostatic lobe tissues obstructing the urethra, for example conditions including benign prostatic hyperplasia (BPH), bladder outlet obstruction (BOO), benign prostatic obstruction (BPO) and associated lower urinary tract symptoms (LUTS). An implant is maintained in a constrained configuration within a distal portion of an elongated sheath so that is may be deployed by driving the implant with a pusher coaxially disposed within the sheath. An implant engaging element helps maintain control of the implant during deployment.

A body mount for mounting at least one transdermal medical device to a body surface of a user is disclosed. The body mount includes: at least one base element having at least one mounting surface for attachment to the body surface of the user, at least one capillary for taking up blood from the body of the user when the base element is attached to the body surface of the user; and at least one bleeding detector configured for detecting blood in the capillary. Further disclosed are a medical device including the body mount, a medical kit including the medical device, a method of monitoring a transdermal medical device, and a method of determining at least one physiological parameter in a body tissue of a user and computer programs and computer-readable storage media for performing the methods.

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.

A treatment tool includes: an ultrasonic blade that includes a treatment face having a first face and having a second face adjacent to the first face; a gripper that includes an electrode configured to open and close with respect to the ultrasonic blade to grip a body tissue between the gripper and the ultrasonic blade; an abutting portion that is made of an electrically insulating material and is disposed in the gripper, the abutting portion being configured to abut against the first face when the gripper closes with respect to the ultrasonic blade; and a protruding portion that is made of an electrically insulating material, is spaced apart from the abutting portion in the gripper, and protrudes toward the second face.

A system, a method and a medical apparatus for treatment of body tissue which comprises at least partially one or more electrically conductive element, an energy source configured to provide a DC energy to the medical device and / or the tissue and a first control unit configured to control the energy source, wherein the first control unit causes the energy source to provide DC energy that establishes a direct electroadhesion bonding between the tissue and the medical device when the tissue and the medical device are in a direct contact or that establishes an indirect electroadhesion bonding between the tissue and the medical device via conductive means.

Methods and systems are described for determining body composition information. An example method can comprise receiving imaging data associated with a patient, causing the imaging data to be input into a convolutional neural network stored on one or more computing devices, determining, based on output data resulting from inputting the imaging data into the convolutional neural network, body composition information, and causing output of the body composition information.

The embodiment of the invention discloses a blood pressure estimation method and device, electronic equipment and a storable medium. The method comprises the steps that measurement data of a to-be-measured user are obtained through a sensor, the measurement data comprise a photoelectric volume pulse wave PPG signal and an impedance measurement signal, and the impedance measurement signal is used for indicating the resistance value of body tissue of the to-be-measured user; according to the measurement data of the to-be-measured user and a preset blood pressure estimation model, the current blood pressure estimation value of the to-be-measured user is determined, the preset blood pressure estimation model is obtained by training an initial model according to sample data of a sample user and a historical blood pressure true value of the sample user, and the current blood pressure estimation value of the to-be-measured user is obtained; the sample data at least comprises a PPG signal of the sample user and an impedance measurement signal of the sample user. By implementing the embodiment of the invention, the accuracy, reliability and stability of blood pressure measurement can be improved.

Systems, devices and methods are provided for transcutaneously delivering energy impulses to bodily tissues for therapeutic purposes, such as for enhancing the body's bone healing process in spinal fusion patients. A therapeutic stimulator system comprises a housing for an energy source and a signal generator. The system further includes one or more electrodes coupled to the signal generator. A processor is coupled to the housing and configured to determine usage levels of the signal generator and / or motion data of the housing. The system may include a mobile device that allows the patient to input user status data, such as pain levels, and compare the user status data with the usage levels and / or the motion data, thereby improving patient compliance with a prescribed therapy regimen.

The invention provides an electrode device and method for promoting plasma active particle tissue permeation, a first electrode, an insulating layer and a second electrode are sequentially arranged from inside to outside, the first electrode sequentially comprises a needle tube, a slot, a cylinder and a needle tip from top to bottom, the slot of the first electrode and the needle tube part are wrapped by the insulating layer, holes are uniformly formed in the front section of the insulating layer, and the needle tip is arranged in the cylinder. The rear end of the first electrode needle tube is connected with the positive electrode of the pulse power supply, and the rear end of the second electrode is connected with the negative electrode of the pulse power supply. The front end of the electrode can enter the deep part of tissue, plasma can directly act on target cells, the pulsed electric field acts on the body tissue and plasma active particles at the same time, and the penetrating power of the active particles can be improved from the two aspects of the characteristics of the active particles and improvement of tissue permeability; the matching mode of the pulsed electric field and the plasma can be adjusted, it is ensured that electroporation happens to the tissue within a recoverable range, the normal function of the tissue is not affected, and meanwhile permeation of active particles in the tissue is promoted.

Analyte sensor apparatus, systems, and methods to reduce sensor drift. An analyte sensor apparatus (102) for detecting an analyte such as glucose in a target environment (10) such as a body tissue may include a plurality of electrodes and a controller. The plurality of electrodes may provide a plurality of electrode signals based on the target environment while disposed in the target environment. The controller may be operatively coupled to the plurality of electrodes and configured to receive the plurality of electrode signals. The controller may further be configured to adjust a voltage of at least one electrode of the plurality of electrodes based on a voltage profile to regenerate one or more electrodes of the plurality of electrodes while the at least one electrode is disposed in the target environment. This may allow to correct an electrode drift without removing the electrode from its target environment.

The application discloses a kind of hydroxyapatite / sodium alginate / recombinant collagen composite porous heterogeneous gel microspheres and a preparation method thereof.The method first mixes hydroxyapatite with sodium alginate and recombinant collagen uniformly, then injects the sodium alginate / hydroxyapatite mixture and the recombinant collagen / hydroxyapatite mixture into the pipeline of Y-type microfluidic device for mixing, drops into the oil phase to obtain heterogeneous microspheres, and obtains the composite porous heterogeneous gel microspheres after cross-linking and freeze-drying.The heterogeneous gel microspheres of the application have a more complex internal morphology, can encapsulate more components, can simulate the diversity of body tissue components, and can regulate the extracellular microenvironment through multi-component synergistic effect to realize tissue regeneration.

An anchor (150) for receiving an end of an article for use as a surgical implant includes a base portion (160) having one or more apertures (166, 168) to receive the end of the article such that the article is secured to the anchor (150); and a head portion (162) attached to the base portion (160) and extending therefrom, the head portion (162) having a tip (170) and at least two wings (172, 174) extending downward from the tip (170) such that each of the at least two wings (172, 174) end in a wing tip; the head portion (162) is for insertion through bodily tissue via the tip (170) and is to be retained within the bodily tissue via the at least two wings (172, 174); and the base portion (160) is to retain the article to the bodily tissue.

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.