112 results about "Body tissue" patented technology

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 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 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.

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 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.

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.

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.

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.

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.

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.

A fiber optic locator system has a fiber optic portion configured to be advanced directly through the patient's tortuous body pathways, rather than through a cavity of a separately formed delivery device. A light-emitting element, such as a diffuser, may be located at the distal end of the system. The fiber optic is selected to transmit light detectable through body tissue to the light-emitting element. For example, the light-emitting element may be positioned within a first location within the patient's body and can be sensed by a sensor positioned within a second location spaced apart from the first location (e.g., within an anatomical structure different from the first location). Various surgical procedures can be performed by accessing a target site located at or near the first location from a location situated at or near the second location.

This product is a grip-type ear forceps used to non-traumatically grasp, connect, compress, or support body tissue during otological treatment. By gripping the shaft and placing the thumb in the notch of the gripping section, body tissue can be grasped in a more stable manner.

Provided are a method and an apparatus for analyzing a body composition by using a medical image. The apparatus for analyzing the body composition trains a first artificial intelligence model by using training data labelling a body tissue region, such as muscle or fat, in a medical image for training, and then, segments a body tissue from an examination medical image by using the first artificial intelligence model and outputs body composition information based on a region, a volume, or a weight of the body tissue of the examination medical image. The disclosure is a technique developed through the Seoul Business Agency's 2020 support project for artificial intelligence (AI) technology industrialization (CY20053), “AI Verification and Industrialization of Computed Tomography (CT) Image-based Opportunistic Screening of Metabolic Syndrome, Osteoporosis, and Muscle Reduction.”

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

Presented herein are techniques for monitoring body tissue and / or body fluid of a recipient via electrochemical measurements, such as cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), etc., using an implantable medical system. In accordance with embodiments presented herein, a reference electrode with a stable potential is provided for performing electrochemical measurements.

A continuous analyte sensor system (110) is disclosed, comprising: − an analyte sensor (114) comprising an insertable portion (116) adapted for being at least partially inserted into a body tissue of a user, wherein the analyte sensor (114) is configured for detecting an analyte in the body tissue of the user; − an electronics unit (118) configured for being electrically connected to the analyte sensor (114); and − an insertion device (122) configured for inserting the insertable portion (116) of the analyte sensor (114) into the body tissue of the user, wherein the insertion device (122) comprises a housing (124), a protective cap (126) and a sterile compartment (112), wherein the sterile compartment (112) encloses at least the analyte sensor (114) and a removable insertion component (128), wherein the insertable portion (116) of the analyte sensor (114) is at least partially placed inside the removable insertion component (128), wherein the sterile compartment (112) comprises a sealed opening (130) and at least one opening mechanism (132) configured for releasing the sealed opening (130), wherein the opening mechanism (132) is configured for interacting with the insertion device (122) such that a use of the insertion device (122) releases the sealed opening (130) of the sterile compartment (112), wherein the released sealed opening (130) is configured for enabling electrically connecting the analyte sensor (114) to the electronics unit (118) upon insertion of the insertable portion (116) of the analyte sensor (114) into the body tissue of the user.

An intraosseous access system includes a driver, a needle, and an obturator positioned in the needle to prevent entry of bodily tissues into the lumen. The driver includes control logic configured to modify operation of the driver upon an indication that a change in modality is detected. The obturator includes a sensor such as an electrical impedance sensor. The electrical impedance sensor can include a passive RFID chip configured to activate when the change in modality is detected.

The present invention discloses a medical system (110). The medical system (110) includes: a. a housing (112); b. a pre-assembled functional module (118) housed in the housing (112), the pre-assembled functional module (118) including b1. an analytical sensor (120) for detecting at least one analyte in a user's bodily fluids; b2. an electronic unit (126) electrically connected to the analytical sensor (120); and b3. an insertion part (130) for inserting the analytical sensor (120) into the user's body tissue; c. at least one removable protective cap (134) connected to the housing (112) to cover the pre-assembled functional module (118).

A bypass device is implanted into a body tissue via a minimally invasive surgery to provide fluid channels through the body tissue. The bypass device includes a base portion having opposite first and second ends, and flexed tines attached to the base portion configured in a flexed position relative to the base portion. The base portion includes flow spaces present from where the flexed tines are flexed relative to the base portion, the flow spaces permitting fluid flow through the bypass device. The bypass device further includes an anchor tine located adjacent to the second end of the base portion that aids in securing the bypass device in place after implantation. The bypass device may be implanted in the eye using a MIGS procedure for the treatment of glaucoma, whereby aqueous humor is permitted to flow through the flow spaces of the bypass device.

The application relates to the technical field of oral medical instruments, and discloses a tooth body tissue external fixing sleeve for preventing split of tooth crack, which comprises an elastic unit, a locking unit and a fixing belt, wherein the locking unit is arranged in two, the elastic unit is connected with the locking units on the two sides, the locking unit is provided with a one-way perforation, the fixing belt can pass through the one-way perforation in one direction, the fixing belt passes through the one-way perforations on the locking units at two ends, the fixing belt, the two locking units and the elastic unit form a ring structure, the locking unit can be pasted and fixed on the tooth surface, and a spacing space is arranged between the two locking units. Through the technical scheme, the problems of the existing technology, i.e. the inconvenient operation and the difficult cleaning of the hidden crack tooth fixing mode, are solved.

A device and method of use thereof is described having a housing and at least one internal compartment. A substrate having first and second ends and at least one electrode on the surface of the substrate is housed within the at least one compartment. The substrate is anchored to the housing within the at least one internal compartment.

The invention provides a method for preparing semi-aerogel with frequency-driven modulus inversion and application, and belongs to the field of medical materials. Gelatin is added into a PBS buffer solution, a tannic acid solution is dropwise added, liquid nitrogen cold extraction and freeze drying are adopted, aerogel with disordered molecular chains is prepared and serves as a substrate, and the semi-aerogel with the gel-sol state reversibly converted at the frequency of 0.01-100 Hz is obtained by regulating and controlling the preparation environment of the semi-aerogel. After the semi-aerogel is formed, the mechanical frequency can be adjusted, a pseudo-load object is mixed into the semi-aerogel through a mechanical method to achieve multi-functionalization of the semi-aerogel, and the semi-aerogel can be applied to body tissues with specific motion frequency.