187 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.

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.

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 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 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 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. 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 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 utility model discloses a pressure compensation system of a rotary cutting biopsy needle, the rotary cutting biopsy needle comprises a needle tube and a tissue collector, and the tissue collector is communicated with the needle tube. The pressure compensation system comprises an air suction pipeline. One end of the air suction pipeline is communicated with the tissue collector, and the other end of the air suction pipeline is connected with the host; the pressure compensation system further comprises an air supplementing pipeline, one end of the air supplementing pipeline communicates with the needle tube, the other end of the air supplementing pipeline communicates with outside air, and a first pressure balancing valve for controlling on-off of the air supplementing pipeline is arranged on the air supplementing pipeline. When sampling is carried out, the first pressure balancing valve and the negative pressure air inlet valve are opened, under the action of negative pressure provided by the main machine, external air enters the needle tube, the tissue collector and the air suction pipeline through the air supplementing pipeline, and cut human tissue enters the tissue collector from the needle tube along with the air entering the needle tube. According to the utility model, pressure compensation can be carried out in the process of extracting human tissues, so that secondary injury to the human body is prevented.

The utility model discloses an ultrasonic oscillator physiotherapy device relates to physiotherapy equipment technical field, the utility model discloses a physiotherapy cabin body, the inner wall fixed mounting of physiotherapy cabin body has the mattress body, the top surface fixed mounting of mattress body has the foot pad body, the surface fixed mounting of foot pad body has four groups ultrasonic oscillator, and the fixed mounting of mounting hole in mattress body surface has the elastic lamination subassembly. The utility model discloses, in the physiotherapy process, the user lies on the mattress body, and the foot is placed in the foot of foot pad body's foot placement groove, and the ultrasonic oscillator on foot pad body is attached with the user ankle, and the ultrasonic oscillator on the surface of mattress body is contacted with the skin of user under the action of elastic lamination subassembly, and through the non -invasive mode of ultrasonic oscillator acts on human tissue, can penetrate the skin and soft tissue and reach the deep layer, is applicable to promoting blood circulation, relieving pain, eliminating inflammation and promoting tissue repair.

The application discloses an ultrasonic imaging system for accurately collecting heart sections in any body position, which comprises a plurality of two-dimensional ultrasonic arrays randomly distributed in space, a multichannel ultrasonic signal collecting module and a three-dimensional ultrasonic imaging module; the plurality of two-dimensional ultrasonic arrays, the multichannel ultrasonic signal collecting module and the three-dimensional ultrasonic imaging module are sequentially connected; wherein the plurality of two-dimensional ultrasonic arrays comprises a plurality of ultrasonic transducer arrays forming sub-area line scanning or sub-area surface scanning or cross surface scanning; the application provides doctors with more detailed images, which is helpful for more accurately positioning and evaluating lesions; can solve the problems of difficulty in collecting correct imaging sections, imaging section changes in motion and the like in wearable ultrasonic heart imaging; is not only suitable for the heart, but also suitable for the brain, the liver, the kidney, the urinary bladder, the abdominal aorta, the inferior vena cava and the like human tissues and parts.

The invention provides an anti-displacement tracheal stent and a human body implantation method, solves the problem that the tracheal stent is easy to deviate and misplace in the prior art, limits the whole stent body in human tissues through a positioning bulge, avoids displacement of the tracheal stent, and comprises a sleeve-shaped stent body, a connecting column extending outwards is arranged on the outer side wall of the support body, a positioning protrusion is arranged at the outer end of the connecting column, and the cross section area of the positioning protrusion is larger than that of the connecting column. The stent body, the connecting columns and the positioning protrusions are formed by integrally weaving silk threads made of memory metal materials and covering the silk threads with films.

The present invention relates to human tissue kallikrein 7 (KLK7) selective inhibitor compounds, combinations including these compounds, process to obtain the referred compounds, and methods of using the same. The present invention belongs to the field of chemistry, pharmacology and medicine.

1. Name of the product in this design: Medical planer (wireless). 2. Purpose of this design: To be used in endoscopic minimally invasive surgery to grind, plan, cut, or polish human tissue or foreign objects. 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 utility model relates to the technical field of medical instruments, in particular to an environment-friendly super-hydrophilic medical beauty needle which comprises an injection tube, a needle head is further arranged at the front end of the injection tube, a hydrophilic coating is arranged on the outer surface of the needle head, a lantern ring is sleeved on the outer side wall of the injection tube in a sliding mode, and the lantern ring and a piston rod ascend and descend synchronously. A plurality of quantitative plates are further rotationally arranged on the outer side wall of the injection pipe and distributed on the same side of the injection pipe at equal intervals, and notches are formed in the positions, corresponding to the quantitative plates, of the lantern ring. According to the utility model, the hydrophilic coating is arranged on the outer surface of the needle head and can reduce the friction between the needle head and the skin during injection, so that the injection process is smoother and more comfortable, and the hydrophilic coating can form a water film matched with a water film on the surface of human tissue on the surface of the injection needle head; the lubricating effect can remarkably reduce pain and discomfort during injection, and the injection experience of a patient is improved.

The invention discloses an application of food-grade sodium carbonate in preparation of a medicine for regulating the acid-base balance of human tissues. The food-grade sodium carbonate conforming to the national food safety standard (GB1886.1) is used as a unique effective component and is dissolved in water to prepare sodium carbonate aqueous solutions with different concentrations, and acid metabolites accumulated in human tissues in local and whole body levels and in human tissues are treated by multiple administration routes such as external use and oral administration. The normal acid-base microenvironment of the tissue is recovered. Wherein the mass concentration of the external preparation is 0.05%-10%, and the mass concentration of the oral preparation is 0.1%-1.5%. The traditional Chinese medicine composition can be used for preventing and / or treating cancers and malignant tumors, stomach diseases related to hyperacidity, femoral head necrosis, muscle strain, frostbite and various diseases taking acid-base imbalance as a common pathological basis. The raw materials are wide in source, low in price and high in safety, the preparation process is simple, the administration scheme is systematic and complete, a single or combined administration route can be flexibly selected according to the specific condition of a patient, and individualized treatment is achieved.

The invention relates to a method and a system for removing a bed image of a CT (Computed Tomography) image and application, and the method sequentially comprises the following steps: obtaining a continuous CT image sequence of a patient, and constructing three-dimensional body data; carrying out projection analysis on the three-dimensional body data along the z-axis direction, and respectively calculating to obtain a maximum value projection image and a minimum value projection image; performing first threshold segmentation based on the minimum projection image to generate a first mask; performing second threshold segmentation based on the maximum projection image to generate a second mask; and based on the first mask and the second mask, generating an accurate bed area mask which does not contain human tissues. According to the method, the maximum projection (reflecting the upper limit of the tissue) and the minimum projection (reflecting the characteristics of the bed) are fused, so that the segmentation ambiguity of a single threshold value method in an overlapped CT value interval is overcome, and the accurate separation of the bed and the human tissue is realized.

The invention provides a breast augmentation method and method.The method comprises the steps that firstly, a shape memory biopolymer material with biological absorbability is selected, and a filling device with a preset three-dimensional configuration is formed through a weaving technology or a 3D printing technology; 2, the filling device is conveyed to the posterior gap of the breast through an endoscope channel or a conveying catheter or directly through a surgical incision and is released, and friction fixation with surrounding tissue is achieved through the radial supporting force of the filling device; 3, after the filling device is stably anchored in the posterior gap of the breast, attachment is completed by means of biocompatibility of the filling device, and surface autologous tissue growth is achieved. According to the method, the filling device is gradually degraded and absorbed by human tissues, only few polymer wire binding points are left finally, an autologous tissue filling structure is formed in the breast, the full, natural, lasting and stable breast augmentation effect is achieved, and the technical problems that autologous fat breast augmentation is easy to absorb, and a silica gel prosthesis is not natural in hand feeling are effectively solved.