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54 results about "Muscle layer" patented technology

Animal body fat detection method and animal body fat detection model generation method and device

The invention belongs to the technical field of B-mode ultrasound diagnosis, and particularly relates to an animal body fat detection method and an animal body fat detection model generation method and device.The detection method comprises the steps that animal body fat B-mode ultrasound images are collected, and data preprocessing is conducted; the B ultrasonic image is converted into an image of a CT / MRI style; according to the converted CT / MRI style image, scanning lines with clear boundary lines of a fat layer and a muscle layer are obtained; calculating the pixel number of the upper and lower edges of the fat layer; and the actual fat thickness is calculated according to the conversion ratio of the detection device. The generation method of the detection model comprises the steps of data preparation, model building, model training and model deployment. According to the method, the B-mode ultrasound image is converted into the CT or MRI image through the cyclic generative adversarial network technology, speckle noise and artifacts in the B-mode ultrasound image are effectively removed, the boundary definition of a fat layer and a muscle layer is remarkably improved, and the fat thickness measurement error is greatly reduced.
Owner:XUZHOU KAIXIN ELECTRONICS INSTR

Artificial Gastrointestinal Tissue for Endoscopic Submucosal Dissection(ESD) Training and Method for Manufacturing the Same

PendingKR1020260113600AHuman bodyLarge intestine
The present invention relates to an artificial digestive tract tissue for training in endoscopic submucosal dissection (ESD) and a method for manufacturing the same. Specifically, the invention relates to an artificial digestive tract tissue configured to mimic the mucosal layer, submucosal layer, and muscle layer constituting the human digestive tract tissue in a multilayer structure, such that swelling occurs upon liquid injection and a color change occurs due to changes in salt concentration, and to a casting and curing-based hydrogel molding process for manufacturing the same. According to the present invention, the problems associated with existing animal tissue-based ESD training simulators can be resolved, repeated use is possible, and training tailored to the structural characteristics of specific organs (stomach, large intestine, small intestine, etc.) is possible.
Owner:ALDAVER INC

Artificial muscle collaborative mirror rehabilitation system and control method based on ultrasonic detection control

The present invention discloses an artificial muscle collaborative mirror rehabilitation system and control method based on ultrasonic detection control. The rehabilitation system includes an ultrasonic detection group, a pneumatic muscle group, and an electric control group. The ultrasonic detection group performs high-density array ultrasonic detection on the muscles of the user's healthy limb to obtain the muscle state of the healthy limb, and analyzes the muscle state information through the electric control group to resolve the limb collaborative movement information. The pneumatic muscle group simulates the layout and attachment method of human limb skeletal muscles on the bones, and is controlled by the electric control group for collaborative drive to achieve mirror movement of the healthy limb. The present invention adopts ultrasonic detection and pneumatic muscle simulation of mirror movement, which can detect the movement pattern of the healthy limb (including movement amplitude, movement angle, movement speed and strength, etc.) at the muscle level, and collaboratively control the affected limb in real time to completely imitate the movement of the healthy limb, so that the rehabilitation equipment can assist the patient to achieve the mirror movement effect and improve the rehabilitation efficiency.
Owner:YANSHAN UNIV

Light irradiation device for strengthening urethral muscle, and method for using same

The present invention relates to a light irradiation device for strengthening urethral muscles and a method for using same. The light irradiation device according to the present invention minimizes damage to urethral mucosal tissue and transmits light to a target surrounding muscle layer by using a balloon structure and a movable and rotatable light-emitting unit, thereby increasing lost muscle density and strengthening the urethral muscles.
Owner:PUKYONG NAT UNIV IND ACADEMIC COOPERATION FOUND

Use of baoji oral liquid composition in the preparation of functional dyspepsia drugs

ActiveCN119746008BDigestive systemPlant ingredientsEfficacyIntestinal propulsion
The application provides application of a Baoji oral liquid composition in preparation of a functional dyspepsia medicine, and relates to the technical field of medicines. The application is based on the Baoji oral liquid, and it is found that the Baoji oral liquid has a remarkable effect on treating functional dyspepsia, especially cisplatin-induced functional dyspepsia. Specifically, the Baoji oral liquid can rapidly restore body weight, significantly improve body weight gain, steadily promote food intake, significantly improve gastric emptying rate and intestinal propulsion rate, protect the gastric mucosa layer, reduce inflammatory cell infiltration, repair the mucosa layer and muscle layer, improve the expression of serum gastrin and motilin, and improve the expression level of IL-4 in the gastric tissue and reduce the expression level of IL-1beta. The Baoji oral liquid has remarkable efficacy when applied in preparation of a functional dyspepsia medicine.
Owner:GUANGZHOU WANGLAOJI PHARM CO LTD

System and method for creating a permanent drainage fistula

The present invention provides a medical device for forming an opening channel or access passage between body tubular lumens. [Solution] The present invention relates to a device that uses an elongated body, a proximal holding portion, and a distal holding portion to bring the muscle layers of a first body lumen and a second body lumen into contact and to form a long-term or permanent opening or access channel between them. The medical device comprises an elongated body that forms a lumen and includes a proximal portion, a distal portion, a certain length, and a certain diameter, wherein the elongated body 310 may have an elongated tubular form (e.g., a restrained form, an unexpanded form, or a transport form) and a retracted form (e.g., an unrestrained form, an expanded form, or an unfolded form) in which the proximal portion 312 expands radially into the proximal holding portion 314 and the distal holding portion 322 expands radially into the distal holding portion 324, with a cylindrical saddle portion 328 extending between them.
Owner:BOSTON SCIENTIFIC SCIMED INC

Cosmetic skin rejuvenation

A cosmetic method for treating a skin of a person is presented, the method comprises inserting one or more needles to one or more depths into the skin of the person such that at least a tip of at least one needle of the one or more needles is deployed within a muscle layer of the person's skin; applying a negative DC voltage to the one or more needles, while a skin of the person is in contact with a positive electrode to form one or more closed circuits of DC current through the person's body; and providing the DC current for a pre-selected amount of time to damage and / or ablate muscles and / or muscle nerve cells in the muscle layer; thereby providing a skin treatment comprising reducing and / or smoothing wrinkles from the person's skin.
Owner:POLLOGEN

Kirschner wire sleeve device for muscle layer expansion

The invention discloses a kirschner wire sleeve device for muscle layer expansion, which relates to the technical field of orthopedic surgery and comprises a kirschner wire, an expansion sleeve, a protective layer and a traction rod. The expansion sleeve is composed of a support and an expansion layer, a guide ring is arranged in the middle of the support, symmetrical connecting frames are arranged on the outer side of the guide ring, the expansion layer is sleeved outside the guide ring, and one end close to a skeleton is of an involute pipeline structure. After the Kirschner wire fixes the bone, the guide ring slides towards the bone along the Kirschner wire, the involute pipeline structure of the expansion layer enters the space between the Kirschner wire and the muscle layer, and the muscle layer is pushed away outwards to form an operation space. The protective layer can reduce direct friction between the muscle layer and the expansion layer, and the lubricant arranged in the protective layer can assist operation; the traction rod can stably control the expansion layer to be opened. The device is made of a biocompatible material and is provided with a buffer structure, the operation space can be flexibly adjusted, the operation safety, adaptability and efficiency are effectively improved, and the use pain point of a traditional kirschner wire sleeve device is solved.
Owner:THE FIRST AFFILIATED HOSPITAL OF BENGBU MEDICAL COLLEGE

A meat surface finishing device

The present application relates to meat processing equipment field, specifically to a kind of meat surface finishing device;It is equipped with separation tool, the separation tool is equipped with blade and the driving structure of driving the blade rotation down pressure, the blade is equipped with blade body, the edge of blade body is equipped with first cutting edge, first cutting edge is single-sided blade, single-sided blade is equipped with dull back, driving structure is equipped with in-place sensing device, when working, the back of blade is in the process of rotation down pressure with an arc trajectory approaches fat layer and gradually compresse fat layer approaches muscle layer, and subsequent compaction on muscle layer, in the process of subsequent blade relative meat transverse movement or the process of meat relative blade movement, it can be more thorough to separate fat layer from muscle layer, finishing is more clean, while also avoid valuable part is wasted;While it can realize automatic operation, improve efficiency.
Owner:FUJIAN YITAI FOOD DEV CO LTD

A method for detecting the quality of a patch replacing the colorectal seromuscular layer

The present invention relates to the technical field of medical equipment, and specifically discloses a patch for replacing the colorectal seromuscular layer, comprising: step one: preparing a patch material, the patch material comprising: a polylactic acid-polycaprolactone copolymer solution; step two: pouring the patch material into a mold, and performing a microporous technology treatment; step three: performing a heat treatment and a cooling treatment; step four: sampling the obtained patch, performing a quality inspection on the sample, and obtaining a sample parameter characterization value, performing a comparative analysis on the sample parameter characterization value, so as to judge whether the patch is qualified; the present invention can ensure that the patch material used will not cause adverse reactions such as inflammation and infection through strict quality inspection, thereby reducing the risk of surgery, ensuring that the patch can play an expected role after implantation, improving the surgical effect, and ensuring that the patch material used has excellent performance and quality, thereby improving the quality and effect of surgery and providing patients with better medical services.
Owner:THE FIRST AFFILIATED HOSPITAL OF NAVAL MEDICAL UNIVERSITY OF CHINESE PEOPLES LIBERATION ARMY

Suture for fixed suture of Menyule, fixed suturing instrument and application of suture and fixed suturing instrument

PendingCN120131163ASuture equipmentsSurgical needlesSurgical methodsVaginal bleeding
The invention provides a suture line for manyule fixing and suturing, a fixing and suturing instrument and application, and belongs to the technical field of medical instruments. A circular ring is arranged at one end of the suture line, and more than one line knot is arranged on the suture line. The circular ring at the tail end of the suture is used for fixing the Munyun ring, so that the stimulation of the suture tail and the suture knot to the endometrium when the Munyun ring is connected through knotting and binding in the operation process is reduced, and the postoperative vaginal bleeding and bleeding are reduced. After the fixed stitching instrument is used for stitching a needle in the uterine cavity, the suture line is pulled until the line knot is embedded into the muscular layer or penetrates through the muscular layer to be fixed at a needle outlet point, so that the line knot plays a role in anchoring, and the Mune music is fixed in the uterine cavity. When the Munule is taken out, a hysteroscope operation is not needed again, and the Munule can be taken out only by clamping and pulling the Raman Munule ring according to a conventional method. When the suture is used for suturing and fixing Munule in an operation, the fixing effect is ensured, the operation time is shortened, the operation difficulty is reduced, the operation mode is simple and convenient, and the learning time of an operator is shortened.
Owner:THE INTERNATIONAL PEACE MATERNITY & CHILD HEALTH HOSPITAL OF CHINA WELFARE INSTITUTE

Intrauterine intelligent regulation and control auxiliary reinforcing device

The invention discloses an intrauterine intelligent regulation and control auxiliary reinforcing device, belongs to the technical field of intrauterine device fixing, and aims to solve the problems that a common intrauterine device is worn in a free mode, the risk that the intrauterine device falls off automatically is caused, and displacement is easily caused due to insufficient installation stability. A first pinching ball is pressed to enable a driving rod to push a sliding plate forwards, the sliding plate enables a first needle head to stretch out of a second sliding groove and to be inserted into a uterine cavity muscle layer in a Y shape, the two ends of a first fixing line are brought into the muscle layer during insertion, then a second pinching ball is pressed to enable the first needle head to retract, and when the first needle head retracts, the first needle head is fixed. Line knots at the two ends of the first fixing line are separated from the first needle head from the containing part and the groove and left in the muscular layer to complete fixing of the contraceptive ring, and operation is easy and convenient.
Owner:SHENZHEN MATERNITY & CHILD HEALTHCARE HOSPITAL

Experimental method for molding rat for treating uterine diverticulum

PendingCN121220428AAnimal husbandryLongitudinal muscleSubserosa
The invention relates to the technical field of biology and new medicine, discloses an experimental method for modeling a rat for treating uterine diverticulosis, and aims to overcome the defects that in the prior art, outer longitudinal muscle fibers and inner annular muscle fibers of uterus are not distinguished, only muscular layers are extensively scraped, and the difference between the degree of inflammation under serosal and the degree of inflammation between the muscular layers after clinical operation is difficult to reproduce. According to the method, 11-12-week-old SPF-grade SD female rats are selected, muscle layer fibers are recognized under the assistance of a microscope, outer 2 / 3 longitudinal muscle fibers are preferentially removed, inner 1 / 3 annular muscle fibers are reserved, lipopolysaccharide layered injection is matched, and the model is constructed in combination with standard postoperative treatment. And a reliable animal model can be provided for meverticulum pathological mechanism research and therapeutic schedule evaluation.
Owner:HUANGSHI MATERNAL & CHILD HEALTH HOSPITAL +1

A method and system for optimizing three-dimensional modeling of a simulated dinosaur

PendingCN122453993APosition based dynamicsAlgorithm
The application discloses a kind of simulation dinosaur three-dimensional modeling optimization method and system, method constructs rigid body skeleton system based on Lagrange dynamics;According to the muscle layer of super-elastic material of anatomical attachment point, the displacement field is calculated using position-based dynamics method;Skin layer is constructed outside, Cauchy stress is projected to grid vertex, and wrinkle and scale texture are dynamically generated according to principal strain;The grid simplification degree and physical simulation accuracy of corresponding area are dynamically adjusted by calculating perceptual importance weight;Establish the quadratic programming problem with anatomical constraint to realize motion reorientation and angular momentum distribution;And construct deformation prediction cache model to carry out online constraint correction.The application realizes the unity of high-precision biological feature restoration and high-efficiency real-time rendering.
Owner:CHENGDU AIMEILONG TECH CO LTD

Use of a dpp-4 inhibitor for the preparation of a medicament for the prevention and / or treatment of a stricture of the digestive tract

The application provides application of a DPP-4 inhibitor in preparation of a medicine for preventing and / or treating digestive tract stenosis, and belongs to the technical field of medicines. Based on morphological performance of stenosis segment esophageal tissue outer membrane scar fibrosis, it is found that a DPP-4+ fibroblast subpopulation in stenosis segment esophageal outer membrane fibrosis hyperplasia tissue is obviously highly expressed. The DPP-4 inhibitor can prevent and treat refractory stenosis after esophageal ESD operation through anti-inflammatory and anti-fibrosis effects on stenosis segment esophageal outer layer tissue, and is a powerful supplement to the current esophageal ESD postoperative stenosis which focuses on intraluminal prevention and treatment of esophageal submucosa and part of inherent muscle layer scar fibrosis.
Owner:ZHANGJIANG INST OF SCI & TECH FUDAN UNIV PUDONG SHANGHAI +1

Mirena ring disc buckle puncture fixing clamp

PendingCN122624146AMuscle layerNormal tissue
The application provides a Mirena ring disc buckle puncture fixing clamp and belongs to the technical field of medical devices. The clamp comprises a hollow clamp rod, one end of the hollow clamp rod is provided with an energy storage mechanism, one side of the energy storage mechanism is provided with a puncture clamp assembly, and the puncture clamp assembly is single-clamp type or double-clamp type. The puncture clamp assembly is used for clamping and taking the Mirena ring disc buckle before an operation cavity is established in the uterine fundus muscle layer, and the puncture clamp assembly is accommodated in the cavity for restraint, so that the disc buckle and the tail wire are dragged into the uterine fundus muscle layer while the operation cavity is established. After the cavity is established, the energy storage mechanism is released, the puncture clamp assembly is driven to open the cavity by the traction assembly, so that the disc buckle and the tail wire are directly embedded in the uterine fundus muscle layer. Only one step is needed to complete the disc buckle embedding operation, the operation mode is simplified, the operation time is saved, and the risk of injuring normal tissues around the operation area when the disc buckle is embedded in the uterine fundus muscle layer for the second time is avoided.
Owner:SHUYANG COUNTY TRADITIONAL CHINESE MEDICINE CO LTD

AI Agent construction method based on motion digital twinning and deep motion data analysis

The invention relates to the cross technical field of artificial intelligence, digital twinning, biomechanics and the like, in particular to an AI Agent construction method based on motion digital twinning and deep motion data analysis, and the method comprises the following steps: collecting motion data of a user, calculating joint angles and displacements at each moment, calculating moments borne by joints, and obtaining motion data of the user; then, the activation degree and muscle force of each muscle in the model at each moment are solved by taking the minimum muscle activation quadratic sum as a target, then heel landing and tiptoe off-ground events are recognized, a feature time sequence is obtained, distance features with training set samples are calculated and embedded into a target low-dimensional space, and embedded features are obtained; and generating personalized feedback information according to the embedded features. Therefore, the problems that in the prior art, only a displacement-time sequence can be observed in a real scene, external force information is lost, and fine labeling of a muscle layer is scarce, so that driving mechanical quantity is difficult to recover, evaluation cannot be explained, and engineering landing is difficult are solved.
Owner:TSINGHUA UNIVERSITY

Muscle layer and membrane layer separator for human anatomy

The utility model discloses a muscular layer and membrane layer separator for human anatomy, which belongs to the technical field of medical instruments and comprises a first knife handle and a second knife handle, the first knife handle and the second knife handle are movably connected through a hinge piece, one end of the first knife handle is integrally connected with a first blade, and the other end of the first knife handle is integrally connected with a second blade. One end of the second knife handle is integrally connected with a second knife edge, the other end of the first knife handle and the other end of the second knife handle are integrally connected with a first handle sleeve and a second handle sleeve respectively, and a protruding part is fixedly connected into the second handle sleeve. Through the combined action of the first handle sleeve, the second handle sleeve and the protruding part, the thumb, the ring finger and the ring finger of a user can be inserted into the two handle sleeves, the pair of unplaning scissors is operated through three fingers, the long-time use stability of the pair of unplaning scissors is improved, through the arrangement of a cushion block and a magnet, the closed state of the pair of unplaning scissors can be kept through the magnetic attraction effect when the pair of unplaning scissors is not used, and the pair of unplaning scissors is convenient to use. The first cutting edge and the second cutting edge are prevented from being automatically unfolded to be damaged.
Owner:乌兰察布医学高等专科学校

Method and device for skin treatment by heating and muscle stimulation

PendingUS20250381393A1Anti-cellulite devicesElectrotherapyMuscle layerSkin treatments
A method and a system for treating skin tissue are provided. At least one heat generating element is configured to modify temperature of the skin tissue, a muscle stimulating element is configured to provide muscle stimulation to a muscle layer located below the skin tissue, a handheld applicator is configured to be placed in vicinity of the skin tissue to deliver said temperature modification from said at least one heat generating element to the skin tissue and said muscle stimulation from said muscle stimulating element to the muscle layer located below the skin tissue; and a control board configured and operable to activate the at least one heat generating element and the muscle stimulating element according to respective activation patterns; thereby providing one or more treatments to the skin tissue.
Owner:POLLOGEN

Modularized laparoscope training examination system

The invention discloses a modular laparoscope training and checking system, and belongs to the technical field of medical teaching or demonstration tools. The puncture outfit comprises a puncture outfit module, the puncture outfit module comprises a puncture needle and a sleeve arranged on the puncture needle in a sleeving mode, and the sleeve comprises a flexible sleeve with the variable hole diameter; the abdominal cavity module adopts a simulated human body abdominal cavity model, and the abdomen of the human body abdominal cavity model is composed of a memory alloy net which is arranged on the inner layer and used for supporting and a replaceable silica gel sheet which covers the surface of the memory alloy net. The puncture outfit module with the variable hole diameter is adopted, puncture outfits with different hole diameters can be simulated by means of one puncture outfit, the puncture requirements of a multi-hole laparoscope and a single-hole laparoscope are met, and the hole diameter can be rapidly enlarged in a clinical operation to take out a cut sample; a memory alloy net is adopted in the inner layer of the abdominal cavity module, muscle layer supporting force is simulated, the requirement for providing a laparoscopic surgery operation space under the pneumoperitoneum-free condition is met, and meshes of the memory alloy net can be expanded and automatically recovered.
Owner:THE FIRST AFFILIATED HOSPITAL OF NAVAL MEDICAL UNIVERSITY OF CHINESE PEOPLES LIBERATION ARMY

Device and method for improving dry eye disease

PCT designated stage expiredWO2025104734A1Eye surgerySurgical instruments for heatingMuscle layerSurgery
A method and device for improving dry eye disease. An applicator comprising: at least one heater such as radiofrequency (RF) energy configured to cause temperature modification of a surface of skin tissue; at least one muscle stimulator such as electric muscle stimulation Mu (EMS) energy configured to provide muscle stimulation to a muscle layer located below a skin tissue. Activating the RF to heat the skin tissue and the EMS according to respective activation patterns and placing the applicator in vicinity of the surface of the skin tissue of the inferior orbital rim. Heating the surface at least a portion of the skin tissue of the inferior orbital rim by the at least one heater; and stimulating at least a portion of the muscle layer located below the skin tissue of the inferior orbital rim from said muscle stimulator.
Owner:LUMENIS BE LTD

A multi-channel automated dispensing non-invasive cosmetic injection device

The utility model discloses a kind of non-invasive cosmetic injection equipment of multi-channel automatic distribution, including base, it is characterized by: the upper surface of the base is fixedly connected with support block, the upper surface of the support block is fixedly connected with first fixed frame, the fixed connection of the support block has button block, the upper surface of the button block is fixedly connected with threaded rod, the upper surface of the threaded rod is fixedly connected with first gasket.Various injection areas can be adapted, improve the comfort of patient, reduce complication, can ensure that drug is evenly distributed, improve treatment effect, save time, while reducing operation failure and adjustment time in treatment process, the latter can optimize the distribution of drug, so that certain medicament is injected into dermis superficial layer or and injected into muscle layer, ensure the best level distribution of drug, to realize more uniform effect, and improve the individualization and flexibility of treatment, both have stronger practicality.
Owner:CHONGQING MEILAI PLASTIC SURGERY CO LTD

A precise layered anti-aging oral prescription based on a three-phase five-layer double-cabin system and a preparation process and application thereof

This invention belongs to the field of food science and engineering technology, specifically relating to a precise stratified anti-aging oral formulation based on a three-phase, five-layer, dual-compartment system, its preparation process, and application. The formulation precisely targets the epidermis, dermis, fat layer, muscle layer, and bone layer, simultaneously addressing aging issues in the skin, muscles, and bones, achieving comprehensive anti-aging. The upper compartment features a dual-color tablet for sustained-release and long-lasting repair, while the lower compartment provides rapid replenishment with an anhydrous formula of small molecules, resulting in high retention of active ingredients and excellent absorption efficiency, balancing "immediate replenishment" and "long-lasting repair." The preparation process parameters for the compressed candy and nutrient beverage have been precisely optimized to ensure product formability and stability, with no significant loss of active ingredients, enabling industrial-scale mass production. Zebrafish experiments and human trials have verified its clear anti-aging efficacy without any adverse reactions, demonstrating high acceptance and satisfaction among test subjects, meeting the safety and efficacy requirements of functional oral foods.
Owner:CHINA FOODS ANHONG (GUANGDONG) HEALTH IND CO LTD +1

Anti-aging composition

The present invention discloses an anti-aging composition, which is composed of the following components by weight: 0.5 to 3 parts of Meconopsis pilosula extract; 0.0005 to 0.0025 parts of nonapeptide-1 or acetyl hexapeptide; 0.0001 to 0.0005 parts of palmitoyl hexapeptide-12; 0.005 to 0.01 parts of mulberry root extract; 0.5 to 3 parts of supramolecular schizonepeta tenuifolia extract; 0.15 to 0.5 parts of peony root bark extract; and 0.5 to 3 parts of arginine / lysine polypeptide. The novel anti-aging composition of the present invention is based on the comprehensive anti-aging solution that takes into account the epidermis, dermis, and muscle layers proposed in the early stage. It is further designed from the perspectives of epidermal barrier repair, basement membrane repair, dermal repair, and mitochondrial ROS clearance, and does not use strong active ingredients that are irritating to the skin, ensuring that the product itself will not damage the skin barrier and cause skin inflammation.
Owner:YUNNAN BOTANEE BIO TECH GRP CO LTD +2

Thread embedding needle

1. The name of this design product: Thread embedding needle. 2. Purpose of the product of this design: used to embed catgut into the subcutaneous tissue or muscle layer of an acupuncture point. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
Owner:SUZHOU CITY WUZHONG DISTRICT DONGFANG ACUPUNCTURE INSTR FACTORY

Lifting cosmetic device using high intensity focused ultrasound

The present invention provides a lift cosmetic device using high intensity focused ultrasound, the lift cosmetic device comprising: a main body part having a circumference gripped by a user's hand and configured to generate rotational power when the user operates an operation button exposed on a surface; and a barrel part connected to a front side of the main body part and emitting high intensity focused ultrasound (HIFU) while moving along a corresponding path by the rotational power generated by the main body part and selectively switching an emission depth in two stages according to an operation mode, the barrel may selectively switch the depth of emission of the high intensity focused ultrasound (HIFU) such that the high intensity focused ultrasound (HIFU) may selectively reach an SMAS (superficial muscular fascia system) layer, which is a fibrous fascia layer that is part of a muscle layer, or a dermis layer.
Owner:WOOAHAN INC

Stomach soft tissue modeling and collision detection method in virtual operation

ActiveCN119919603AMedical simulationImage analysisMuscle layerSoft tissue deformation
The invention discloses a stomach soft tissue modeling and collision detection method in a virtual operation, and belongs to the field of soft tissue modeling in the virtual operation. Important indexes of whether the virtual operation system can reach the operation training effect or not comprise the real-time performance, stability and accuracy of physical modeling and collision detection. According to the method, the biomechanical characteristics of stomach soft tissue under the action of external force are analyzed, an improved deformation model based on a reset spring is provided based on a soft tissue deformation method of a mass point-spring deformation model, the problems of super-elasticity and collapse of a traditional mass point-spring model are solved, and the authenticity of soft tissue deformation is improved. Meanwhile, for a muscle layer, modeling is carried out by using a collision detection algorithm combining an axial alignment bounding box (AABB) and a spherical bounding box (Sphere); modeling of a mucous membrane layer and other soft tissues of the stomach is realized by adopting a mixed hierarchical algorithm of an AABB (Axial Alignment Burst Box) and a Sphere (Sphere); and the real-time performance and the accuracy of collision detection are considered.
Owner:NANJING TECH UNIV

Intelligent spinal column bionic model

The present invention discloses an intelligent spinal bionic model and relates to the technology of surgical simulation instruments. It includes a model base and a model case, a bionic spinal column body installed on the model base and having a development effect, and a simulated muscle layer and a simulated skin layer enclosing the bionic spinal column body. A bionic nerve body having a contact alarm mechanism is installed in the cavity inside the bionic spinal column body. [Effects] This invention creates a spinal bionic model for surgical simulation through precise design and material selection, faithfully reproducing several important processes in actual spinal surgery (X-ray development, simulation of internal human structure, simulation of the surgical water environment, nerve contact alarm, etc.). It provides physicians with a highly simulated surgical training platform, contributing to the rapid improvement of spinal endoscopic surgical skills and clinical experience.
Owner:QINGDAO UNIV +2

Purse-string suture practice mold for medical teaching

The utility model discloses a pouch suturing practice mould for medical teaching, and relates to the technical field of suturing practice moulds, the pouch suturing practice mould for medical teaching comprises a table top, a placing groove is arranged on the table top, a mould is placed in the placing groove, and the mould comprises skin tissue and an abdominal cavity. The skin tissue is divided into a skin layer, a subcutaneous tissue layer, an abdominal wall muscle layer and a peritoneum layer from outside to inside, the peritoneum layer is fixedly connected with the abdominal cavity, an inserting assembly is arranged on the outer side wall of the skin tissue, and the mold is placed in the containing groove so that the mold can be prevented from shaking in the exercise process; the skin tissue is provided with a plurality of layers, and the layers can be detached, so that a certain layer can be exercised independently, then combined exercise is carried out, a trainee can carry out targeted training on different thickness conditions of different layers, and the follow-up combined training effect is better.
Owner:DANDONG CENTRAL HOSPITAL

A device and method for infiltration anesthesia by needle-free injection of local anesthetic into the dermis.

This invention relates to the field of needle-free injector technology, and in particular to an apparatus and method for needle-free injection of local anesthetics into the dermis for infiltration anesthesia. The apparatus includes a receiving space for containing the anesthetic solution; the injection pressure is 14-21 MPa. This invention allows for the design of different needle-free injectors to address the physiological differences in the dermis between men and women, ensuring precise intradermal injection of the anesthetic solution and avoiding entry into the muscle layer. Furthermore, it results in less pain during injection and a longer duration of effect from the onset and exhaustion of the local anesthetic.
Owner:JIANGSU LEJU PHARM TECH CO LTD