323 results about "Humans tissues" patented technology

The invention relates to a method for processing medical images of human tissue of an area of a patient's body and in particular of the breast by means of a medical imaging device (1) comprising a microwave probe array consisting of K>1 probes spaced apart from one another, the array comprising P>1 different configurations defining transmitting probes and receiving probes for one or more position(s) around the area, in which the transmitting probes are configured to transmit microwave signals so as to illuminate an area of the body and the receiving probes are configured to receive microwave signals after scattering and reflection in the area, the probes being capable, in a complementary manner, of being configured to transmit and receive simultaneously.

The invention discloses an antibacterial breathable dressing patch and a preparation method thereof, and belongs to the field of medical dressings, the antibacterial breathable dressing patch comprises a Janus type dressing patch layer which is a composite film containing a hydrocolloid matrix, pH response antibacterial microspheres and bioactive glass nanoparticles; the super-hydrophobic electrostatic spinning outer layer is a super-hydrophobic electrostatic spinning fiber membrane, and the super-hydrophobic electrostatic spinning outer layer and the Janus type dressing skin-attaching layer are compounded to form an asymmetric Janus structure, intellectualization and precision of the antibacterial effect are achieved, and the risks of cytotoxicity and bacterial drug resistance possibly caused by long-term exposure to an antibacterial agent are reduced to the maximum extent; a multi-mechanism and synergistic antibacterial defense system is constructed, more comprehensive and firm protection is provided for wounds, the air permeability and moisture permeability are excellent, a dry and moist ideal healing environment is created for the wounds, the biocompatibility is good, the use safety is high, the wound healing agent is mild to human tissues, the irritation is low, the allergic reaction risk is small, the safety is high, and the wound healing effect is good. The long-term use is facilitated.

The invention discloses a biological tissue internal temperature microwave chromatography method and system, and belongs to the technical field of microwave measurement. The problem that the internal temperature of the biological tissue cannot be accurately obtained by adopting a microwave radiation temperature measurement technology nowadays is solved. The method comprises the following steps: acquiring environmental thermal radiation rates under different environmental conditions, and acquiring temperature distribution data of a human tissue profile to be subjected to temperature measurement along with depth change under different environmental conditions by utilizing a real three-dimensional anatomical model, a heat conduction equation and a thermal radiation equation of the human tissue to be subjected to temperature measurement; calculating dielectric constants of the human tissue to be subjected to temperature measurement under different frequencies, and obtaining radiation brightness temperature data of different frequencies under different environmental conditions by combining the temperature distribution data and a real three-dimensional anatomical model of the human tissue to be subjected to temperature measurement; constructing a brightness temperature-temperature conversion matrix by adopting a least square method; and acquiring brightness temperature data of different frequencies of human tissue to be subjected to temperature measurement, substituting the brightness temperature data into the brightness temperature-temperature conversion matrix, and performing inversion to obtain temperatures of different depths of the human tissue to be subjected to temperature measurement. The method is suitable for temperature measurement.

An acellular product may be derived from human placenta and may be used in various scenarios for wound healing. Because the product may be acellular, the product may be processed for storage and transportation with minimal degradation. The product may include various scaffolding such as biomaterials or human tissue, and the scaffolding may be infused with various plasmas and agents. The cell-free treatment may maintain the biological activity of many therapeutic agents found within cells and may possess multiple structural components to support cellular attachment. The structural components or scaffolds may function as a reservoir of highly diffusible chemotactic and cellular-programming factors that may be useful to treat injury and disease.

The invention provides a temporomandibular artificial joint replacement device, a preparation method and a surgical robot system.The temporomandibular artificial joint replacement device is characterized in that a mandibular fixing support is fixedly connected with the outer side face of the mandible of the human body, a temporal bone fixing support is fixedly connected with the outer side face of the temporal bone of the human body, a containing cavity is formed in a glenoid fossa liner, and a spherical joint head is movably arranged in the containing cavity; a base layer, a variable-rigidity elastic buffer layer and a surface layer are sequentially arranged on the inner wall of the containing cavity in the thickness direction of the side wall of the glenoid fossa liner. By means of the temporal-mandibular artificial joint replacement device, efficient simulation of the temporal-mandibular joint replacement device on a real human body temporal-mandibular joint structure can be achieved, the structural strength and the use comfort of the temporal-mandibular artificial joint replacement device are improved, and based on artificial intelligence and a surgical robot auxiliary technology, the device is simple in structure and convenient to use. The preparation function of the temporomandibular artificial joint replacement device matched with the human tissue structure and the automatic assembly surgical operation are achieved.

Systems and methods are disclosed for receiving a target electronic image corresponding to a target specimen, the target specimen comprising a tissue sample of a patient, applying a machine learning system to the target electronic image to identify a region of interest of the target specimen and determine an expression level of, category of, and / or presence of a biomarker in the region of interest, the biomarker comprising at least one from among an epithelial growth factor receptor (EGFR) biomarker and / or a DNA mismatch repair (MMR) deficiency biomarker, the machine learning system having been generated by processing a plurality of training images to predict whether a region of interest is present in the target electronic image, the training images comprising images of human tissue and / or images that are algorithmically generated, and outputting the determined expression level of, category of, and / or presence of the biomarker in the region of interest.

The invention discloses an umbilical vein catheterization virtual-entity fusion training system based on a novel material, and relates to the technical field of medical simulation training. According to the system, a dynamic three-dimensional umbilical vein anatomical model is constructed through the virtual simulation unit, the entity operation unit adopts a bionic gradient material to simulate neonatal umbilical tissue, and the binding force feedback unit realizes tactile-visual dual-channel interaction. Comprising a multi-source coupling coordinate calibration algorithm, a viscoelastic layered deformation transmission algorithm and the like, and the problems of insufficient operation authenticity and feedback lagging in traditional training are solved by dynamically matching virtual and entity operation spaces and simulating real tissue mechanical response. The novel material preparation unit realizes mechanical property matching with human tissues through a nano-composite process, and the environment simulation unit can reproduce various pathological scenes. The immersion and effectiveness of operation training are remarkably improved, and the method is suitable for standardized training of medical staff in the neonatology department.

The invention relates to a physical therapy equipment parameter optimization method based on a terahertz technology, which comprises the following steps of: constructing a frequency stepping and pulse width combination mechanism of terahertz irradiation parameters to adapt to microscopic heterogeneity of water molecule distribution in human tissues, and exciting a tissue area which is originally in a low response state by expanding an absorption window range; setting an irradiation duration and duty ratio strategy, enabling a part of the tissue structure to generate reversible conformational deformation under terahertz micro-thermal stimulation, and regulating and controlling a scattering path and an interference state of local terahertz waves by utilizing the conformational deformation; the method has the beneficial effects that the microcosmic non-uniform tissue area is activated by utilizing the high-selectivity absorption characteristic of terahertz waves on water molecules and biological polar groups and through a combined mechanism of frequency stepping and pulse width, and the coupling efficiency and biological effect strength of energy in target tissue are remarkably improved.

The invention relates to the technical field of medical instruments, in particular to superconductive low-temperature non-stick bipolar tweezers which comprise tweezers single pieces and a fixing shell, the two elastic tweezers single pieces are oppositely distributed, the fixing shell is arranged at one end, the two tweezers single pieces are clamped and fixed through the fixing shell, each tweezers single piece comprises a fixing part, a handle part, a supporting part and a tweezers tip part, the four parts are sequentially connected; a water conveying part is arranged among the fixing part, the handle part, the supporting part and the forceps tip part, the four parts are communicated through a water conveying pipe in the water conveying part, the water conveying part is connected with water conveying equipment, and cooling water stored in the water conveying pipe can cool the forceps tip part; the middle of the handle part is provided with a wire part, and the output end of the wire part is assembled with the forceps tip part and connected with high-frequency equipment through the wire part. According to the superconducting low-temperature non-stick bipolar tweezers, the risk that the bipolar tweezers adhere to human tissue can be reduced.

The invention provides a fascia gun intelligent control method and system based on massage manipulation, and the method comprises the steps: obtaining a massage mode selected by a user in a fascia gun through the fascia gun intelligent control system, and loading a corresponding target force curve and a motion track parameter from a pre-stored manipulation parameterization library; the contact state of the fascia gun massage head and the human tissue is monitored in real time; generating a smooth expected displacement reference signal and a force reference signal; actual force, actual displacement and motor current data of the system are collected in real time; biomechanical parameters of human body soft tissue are calculated and estimated in real time, and control parameters are adjusted in a self-adaptive mode; and controlling the output force to smoothly drop to zero at a preset slope, and executing soft stop operation. The parameterized output device has the advantages that parameterized output of the fascia gun simulating various massage manipulations can be achieved, smoothness of output force is guaranteed to avoid discomfort, and self-adaptive adjustment can be conducted according to individual differences of users.

The present invention discloses a far-infrared functional bioluminescent composite material, an acupuncture patch prepared from the composite material, and its application, belonging to the technical field of far-infrared medical materials. The bioluminescent composite material is composed of the following components by weight: 25-45 parts of modified Bianstone, 20-30 parts of medical stone, 10-20 parts of germanium stone, 5-10 parts of silicon dioxide, and 5-10 parts of aluminum oxide. The modified Bianstone is prepared by processes such as bentonite interlayer pore expansion, LaFe perovskite / TiO2 quantum dot intercalation, and Prussian blue analog loading. The composite material has far-infrared emission characteristics and can resonate with human tissue to absorb negative oxygen ions through quantum dot photocatalysis. The porous structure adsorbs inflammatory factors. The LaFe perovskite / TiO2 quantum dot photocatalysis synergizes with the far-infrared radiation of the Bianstone to destroy bacterial cell membranes; the medical stone releases trace elements to inhibit bacterial activity. The prepared acupuncture patch is compounded with a medical pressure-sensitive adhesive through a molding process to generate microcurrent to stimulate the TRPV1 ion channel, achieving the treatment of facial paralysis, hypertension, and diabetes.

The invention relates to a wirelessly usable sensor system, wherein the sensor system is suitable for being attached to the skin of a person and comprises the following components: (a) a measuring sensor which is suitable for measuring the oxygen saturation or the tissue perfusion of the skin covered by the sensor system and / or of the underlying tissue and outputting said oxygen saturation or tissue perfusion as a measured value; (b) an evaluation unit which is connected to the measuring sensor, is suitable for evaluating the measured value output by the measuring sensor, for comparing said measured value with a reference value and for outputting a signal if the measured value deviates from the reference value by a predetermined amount, and is suitable for learning the normal state of the tissue of a patient, for identifying patterns in the measured values measured by the measuring sensor by searching for repeating regularities in the sensor data and analyzing deviations from the determined normal state over a certain period of time, and for outputting a signal if the pattern deviates from a regularity; (c) a rechargeable energy store which supplies energy to the measuring sensor and to the evaluation unit and to further optional electronic components, and (d) a housing in which the components (a) to (c) and further optional electronic components are contained, wherein the housing is closed and impermeable to liquid such that the components (a) to (c) and further optional electronic components are protected from liquid. The sensor system is preferably used in medicine in decubitus prophylaxis.

The utility model provides an ablation detection system, which relates to the field of medical equipment and comprises an ablation module, a detection module, a switching circuit module and an ablation detection electrode. The ablation module and the detection module are both electrically connected with the switching circuit module, and the switching circuit module is electrically connected with the ablation detection electrode; the ablation detection electrode comprises at least one ablation electrode and is used for ablation treatment; the ablation detection electrode further comprises at least two detection electrodes used for detecting target tissue. Only the contact position of the end of the detection electrode and the tissue is conductive, and the other positions are provided with insulating layers; the ablation module is used for outputting ablation current; the detection module is used for outputting the excitation signal and receiving the feedback signal so as to detect the target tissue. The ablation electrode can be guided to reach the preset position of the human tissue. The method can assist in detecting whether target tissues belong to normal tissues, benign tissues or malignant tissues or not, and damage to human tissues is reduced.

1. The name of the design product: ear-nose-throat surgery electrode. 2. The use of the design product: cutting and coagulating human tissue in ear-nose-throat surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a deep intracranial tissue suturing and ligature instrument, which can realize suturing and ligature of deep human tissues (especially intracranial surgery). The instrument can realize suturing and ligature of deep tissues in minimally invasive treatment in clinical surgery, and can solve the problems of small operation space, difficult suturing and easy damage to surrounding tissues in traditional surgery. The operation includes two parts of suturing and steering, and the suturing operation is completed by two interchangeable needle holding levers. A universal joint device held by the rear lever can be adjusted in direction according to different requirements, and is used for coping with various complex situations.

1. The name of the design product: oral and maxillofacial surgery electrode. 2. The use of the design product: cutting and coagulating human tissue in oral and maxillofacial surgery. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

1. Name of the product in this design: Surgical electrode. 2. Purpose of this design: For use in surgical procedures to cut human tissue and for blood clotting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

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 composition has hyaluronic acid and one or more materials as an admixture. The hyaluronic acid is derived from a fascia tissue layer of an alligator, the fascia layer located below a hide and above muscle tissue. The one or more materials as the admixture to the hyaluronic acid can be a carrier, diluent or excipient. The hyaluronic acid is extracted from the fascia tissue layer in the form of an oil having an oily viscosity with a molecular weight of 30,000 or greater. The oil extracted includes the hyaluronic acid and includes sodium or salts of hyaluronic acid. The oil extracted is anti-inflammatory to human tissue.

This invention discloses a human tissue measurement system integrated into surgical instruments, including a pressure measuring device, a measuring body, and a pressure acquisition module, a curve generation module, and a curve transmission module integrated into the measuring body. The pressure measuring device is used to acquire real-time pressure measurement data of human tissue changes with pressing time, and to generate a real-time pressure-time characteristic curve of the dynamic characteristics of the entire pressing process based on the real-time pressure measurement data. An external display device is used to acquire and display the real-time pressure-time characteristic curve. A trigger connector, located in the measuring body, is used to connect the surgical instruments and the pressure measuring device to realize data transmission. This human tissue measurement system integrated into surgical instruments allows the surgical instruments to carry the measuring device into the human body during surgery, without removing the human tissue from the body, and enabling pressure measurement of the target human tissue inside the body.

The invention relates to the technical field of medical simulation devices, in particular to an artificial intelligence driven thoracic and abdominal movement simulation die body which comprises internal soft tissue equivalent to a human tissue CT value, the simulation die body can simulate movement of the heart, the lung, the liver, the intestinal tract and the tumor at the same time, surface movement simulation of the die body is considered, and the simulation effect is good. Simulation movement is achieved through multiple maneuvering modes, and movement of thoracic and abdominal organs, tumors and body surfaces is restored to the maximum extent. The model body is made of a simulation material equivalent to a human tissue CT value, it is ensured that the physical property of the model body is similar to that of the human tissue, the simulation authenticity is improved, and organ movement control modes including fixed frequency input, collected patient frequency input and movement frequency predicted through an artificial intelligence algorithm are flexible and diversified. And guarantee is provided for dosimetry verification by shooting 4D CT and position error verification by means of a body surface optical positioning system.

The invention discloses bipolar electric coagulation forceps with anti-adhesion inner sides and insulation outer sides in the technical field of electric coagulation forceps, which comprise two groups of forceps bodies and insulation barrier strips which are arranged in bilateral symmetry, the rear ends of the two groups of forceps bodies are both fixedly mounted on an electrode fixing seat, and the front ends of the two groups of forceps bodies are both provided with forceps tips for electric conduction. The two sets of insulation barrier strips are located on the outer sides of the two sets of forceps bodies, the rear ends of the two sets of insulation barrier strips are fixedly installed on the electrode fixing base, and limiting assemblies are installed between the insulation barrier strips and the electrode fixing base and used for limiting the moving range of the insulation barrier strips. The invention solves the problems that the existing bipolar coagulation forceps are difficult to effectively block peripheral human tissues during actual operation, the outer side of the heated bipolar coagulation forceps is easy to accidentally injure the peripheral human tissues, and the solidified tissues are easy to adhere to the inner side of the bipolar coagulation forceps when high temperature generated by current is used for hemostasis; and the risk that the blood vessel is broken again when the bipolar electric coagulation forceps are opened can be improved.

The utility model discloses a kind of human tissue planing collection devices, it is related to medical instrument technical field, including collection sleeve main part, cap main body and collection inner tube, the water inlet is provided in the front end of collection sleeve main part, and the rear end of collection sleeve main part is additionally provided with mounting thread outside, and the rear end of collection sleeve main part is connected with cap main body outside, while cap main body tail end is provided with water outlet, the O-shaped sealing ring is connected in the cap main body, the collection inner tube is arranged in the collection sleeve main part, and filter screen is additionally provided on the collection inner tube wall, and the oblique groove is formed in the tail end outside of collection inner tube, while the through-hole is formed in the middle of collection inner tube tail end. The human tissue planing collection device is disposable sterilization plastic product, convenient to connect, only needs to be connected to suction tube by operator, and different collection devices can be replaced according to different tissues in operation, reach the effect of classifying and collecting tissue, improve the overall practicality of collection device.

The utility model discloses a kind of ring scissors in the technical field of medical devices, including ring, safety box and scissors assembly, ring is fixedly connected with safety box, scissors assembly is installed in safety box, to avoid that scissors assembly injures human tissue;The side of safety box away from ring is provided with the line cutting groove port being communicated with the space in box, and the line cutting groove port is used for the suture to be cut to be positioned;Line cutting groove port extends to the direction of ring, and there is overlapping area in the cutting range of scissors assembly, to make that the suture in line cutting groove port can be cut off by the scissors assembly completely located in safety box.

The invention relates to the technical field of construction of a spinal internal three-dimensional model, in particular to a spinal endoscopic surgery path planning method based on ultrasonic guidance. The method comprises the following steps: synchronously acquiring ultrasonic images containing an endoscope probe at various angles in real time; according to the positions and shapes of the human tissue edge lines in the adjacent ultrasonic images obtained synchronously, the shape consistency degree of the human tissue edge lines and matched edge lines are obtained; acquiring matched pixel points of the edge pixel points according to the position relation between the human tissue edge line in each ultrasonic image and the edge pixel points on the matched edge line in the position relative ultrasonic image; according to the positions of the edge pixel points and the matched pixel points, the real distance between the edge pixel points and the endoscope probe is obtained, and then a three-dimensional model in the spine endoscopic surgery process is constructed in real time. According to the method, the real distance between the edge pixel point on the edge line of the human tissue and the endoscope probe is accurately obtained in real time, so that a three-dimensional model in the spine endoscopic surgery process can be accurately constructed in real time.

This invention discloses a bipolar electrocoagulation forceps with internal anti-adhesion and external insulation in the field of electrocoagulation forceps technology. It includes two sets of forceps bodies symmetrically arranged on the left and right sides and insulating strips. The rear ends of both sets of forceps bodies are fixedly mounted on an electrode holder, and the front ends of both sets of forceps bodies are provided with conductive tips. The two sets of insulating strips are located on the outside of the two sets of forceps bodies, and the rear ends of both sets of insulating strips are fixedly mounted on the electrode holder. A limiting component is installed between the insulating strips and the electrode holder to limit the movement range of the insulating strips. This invention solves the problems of existing bipolar electrocoagulation forceps, which are difficult to effectively block surrounding human tissue during actual operation, and the risk of accidental injury to surrounding human tissue on the outside of the heated bipolar electrocoagulation forceps. Furthermore, when using high temperatures generated by current for hemostasis, tissue coagulation can easily cause adhesion to the inside of the bipolar electrocoagulation forceps, increasing the risk of blood vessel re-rupture when the forceps are opened.

The application provides a kind of simulated human tissue fluid and its preparation method and application, it relates to wireless communication technical field, the simulated human tissue fluid includes: water, 55wt%~75wt% by mass percentage;Ionic inorganic salt, 2wt%~5wt%;Albumin, 10wt%~18wt%;Lipid, 12wt%~20wt%;Non-ionic surfactant, 2wt%~4wt%;Preservative, 0.2wt%~1wt%.Therefore, by water, ionic inorganic salt, albumin, lipid, non-ionic surfactant and preservative cooperate to simulate the skin of human body, so as to be able to carry out APD test in the frequency range of 10GHz~30GHz, and the stability of simulated skin tissue fluid is good, and the cost is lower.

The invention discloses a laparoscope separation flusher for preventing tissue adhesion in a gynecological operation. The laparoscope separation flusher comprises a protective shell, a clamping mechanism, a flushing mechanism, a first positioning mechanism and a second positioning mechanism, wherein the clamping mechanism is used for protecting the interior of the protective shell; and the clamping mechanism comprises a clamping plate and a telescopic column, the telescopic column is movably connected to the interior of the protective shell, one end of the telescopic column is fixedly connected with a connecting block through a connecting rod, the two sides of the connecting block are movably connected with rotating rods through transmission rods, and the clamping plate is rotationally installed at one end of each rotating rod through a rotating structure. By means of the first positioning mechanism and the clamping mechanism, human tissue is clamped and fixed through the device, in the current state, a doctor can keep the device to fix and clamp the tissue by loosening the hands, the two hands are liberated, operation is simplified, and the operation difficulty is reduced.

1. The name of the design product: cardiothoracic surgery electrode. 2. The use of the design product: cutting and coagulating human tissue in cardiothoracic surgery. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The application discloses a controllable injection equipment for nerve block under ultrasonic guidance in the technical field of medical devices, which comprises a mounting device, a puncture mechanism and an injection mechanism are arranged in the mounting device, the puncture mechanism comprises a puncture tube arranged in a fixed sleeve, a puncture needle is connected to the front end of the puncture tube, a sealing plug is arranged in the puncture needle, a rubber plug is connected to the rear end of the sealing plug and arranged in the puncture tube, the puncture mechanism can avoid the human body tissue from entering the puncture needle and causing blockage in the puncture process, the sealing plug is inserted into the puncture needle, the firmness of the overall structure is improved, the puncture mechanism is not prone to bending or surface depression in the puncture process, the injection efficiency is reduced, and the puncture mechanism can be better inserted when being inserted into the tissue which is strong in toughness or has a slippery surface covered with body fluid.