18 results about "Transplantation surgery" patented technology

The invention relates to the technical field of medical materials, in particular to a composition for soft tissue increment and a preparation method thereof, and the composition for soft tissue increment comprises a plasma matrix compressed material and a microvesicle concentrated solution. The composition for soft tissue increment provided by the invention comprises a plasma matrix compressed material and a microvesicle concentrated solution, the plasma matrix compressed material is rich in effective substances such as platelets and immune cells, has a compact three-dimensional fibrous protein network structure, and can provide a required scaffold for soft tissue regeneration, so that the soft tissue regeneration effect is improved. The microvesicle concentrated solution contains a large number of effective biological components such as cell factors and signal molecules, regeneration of local soft tissue can be further regulated and controlled, the microvesicle concentrated solution and the microvesicle concentrated solution have a synergistic effect, the excellent soft tissue regeneration promoting capacity is achieved, a complete autologous source is achieved, connective tissue transplantation surgery is replaced, and the application prospect is wide. The excellent performance is shown in the clinical application of soft tissue regeneration.

1. Name of the product in this design: Artificial Meniscus (Implantable). 2. Purpose of this design: This design is intended for use in meniscus transplantation surgery for patients with meniscus injuries. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses an animal embryo transplantation operating table, and belongs to the technical field of animal embryo transplantation. A groove is formed in the table body, a supporting plate is installed in the groove, four sliding grooves are formed in the top of the table body, the sliding grooves are T-shaped grooves, a fixing assembly comprises a sliding block and a fixing base, a fixing ring is arranged at the bottom of the sliding block, a clamping block is arranged at the bottom of the sliding block, the clamping block is a T-shaped block, the clamping block is clamped in the sliding grooves in a sliding mode, and the fixing base is fixedly connected to the top of the table body. The number of the fixing seats is four, blind holes are formed in the fixing seats, electric push rods are installed in the blind holes, and check blocks are fixedly connected to the moving ends of the electric push rods. According to the operating table, the fixing assembly is arranged, the animal to be operated is fixed on the operating table through the fixing assembly, the situation that the animal struggles in the operation process, and consequently operation is difficult is avoided, and the problem that the animal to be operated cannot be well fixed through the operating table is solved.

The utility model provides an isolated organ perfusion preservation device which comprises an organ preservation assembly, a perfusion circulation assembly, a temperature adjusting assembly and a control assembly. The organ preservation assembly comprises a preservation tank body, an organ tray and a side plate supporting frame, the preservation tank body comprises an inner layer and an outer layer, the organ tray and the side plate supporting frame are both arranged in the inner layer of the preservation tank body, the side plate supporting frame is connected with the organ tray in the circumferential direction, and the organ tray is used for supporting an isolated organ; the perfusion circulation assembly comprises a perfusion liquid container, a gas separator and a filtering remover, the perfusion liquid container comprises an inner layer and an outer layer, and the inner layer of the perfusion liquid container is communicated with the inner layer of the storage tank body; the temperature adjusting assembly comprises a temperature adjusting liquid container, a temperature sensor and a temperature control unit, and the temperature adjusting liquid container, the outer layer of the storage tank body and the outer layer of the perfusate container are communicated with one another; the control assembly is connected with the temperature adjusting assembly and comprises a filtering unit and a PID adjusting unit. The utility model is beneficial to improving the organ preservation quality and improving the success rate of transplantation operation.

An instrument for use in hair transplant surgery has a hollow handle (1,2, Fig 2) containing an electronics assembly having a microswitch 9 coupled to an axially displaceable chuck assembly 15, 22. Th

The present invention relates to the use of mesenchymal stem cells to reduce inflammation and immune responses for neuromuscular injuries and limb transplants. A particular preferred embodiment relates to use of mesenchymal stem cells that are modified to express interleukin-10 in limb transplantation surgery. In particular embodiments, the present invention also provides a method of improving nerve and muscle regeneration and functional outcome for limb transplantation in a mammalian limb transplant recipient by administering to the limb transplant recipient a therapeutic amount of mesenchymal stem cells.

The application relates to a kind of based on the method and system of joint learning strategy's lamellar keratoplasty surgery augmented reality navigation, comprising: based on the acquisition surgery image of camera unit and conversion into single frame image, and carry out normalization processing to construct neural network model input;Based on frame-by-frame image, utilize joint learning deep neural network model to obtain surgery instrument, corneal region segmentation result and corresponding completion optical flow result;The image and corresponding completion optical flow result of current frame and forward adjacent frame are combined, and the completion information of current frame is comprehensively calculated, and the area blocked by surgery instrument is recovered by completion calculation;Utilize corneal region segmentation result to realize the augmented reality navigation result of superimposed surgery suture line and point position on the completion surgery image by ellipse fitting and suture point calculation process.The application can realize the construction of augmented reality navigation information for lamellar keratoplasty surgery, guide surgery related operation, improve surgery efficiency.

The invention discloses an organ maintenance liquid for repairing liver functions as well as a preparation method and application of the organ maintenance liquid. The feed additive comprises the following components: an oxygen-carrying component, succinyl gelatin, sodium chloride, sodium hydroxide, sodium bicarbonate, calcium gluconate, magnesium sulfate, chromium chloride, copper chloride, ferric chloride, manganese chloride, sodium molybdate, sodium selenite, zinc chloride, potassium iodide, sodium fluoride, isoleucine, leucine, lysine acetate, methionine, phenylalanine, threonine, tryptophan, serine, valine and histidine. The injection is prepared from arginine, alanine, asparaginic acid, cysteine, glutamic acid, proline, tyrosine, glycine, sodium hydrogen sulfite, heparin, methylprednisolone sodium succinate, broad-spectrum antibiotics, antifungal drugs, FXR agonists and sterilized water for injection. The oxygen-carrying component is washed red blood cells or concentrated red blood cells or artificial blood. The viscosity of the organ maintenance liquid is closer to that of plasma, the influence on the blood coagulation function and the renal function is avoided, and the organ maintenance liquid has higher safety, can treat ischemia reperfusion injury, repair the liver biliary tract function and remarkably reduce various inflammation indexes, and is used for ischemia-free liver transplantation.

The invention discloses an adjustable elbow assembly for an embryo transplantation catheter, relates to the technical field of embryo transplantation catheters, and aims to solve the technical problem that an opening of an embryo transplantation outer tube is easy to cause injury to a patient. By means of multi-structure collaborative innovation, the problems that a traditional catheter is high in damage risk, poor in adaptability and the like are solved in an all-around mode, and the catheter has the core advantages that by means of the necking design, the cervical contact area is reduced, a smooth port and a directional deformation structure are matched, scraping and lobe damage are thoroughly avoided, and the complication risk is reduced; the structures of the shaft ring and the traction rope are optimized, the necking state is kept, meanwhile, the flexibility of the pipe body is guaranteed, and smooth pipe insertion is guaranteed; multi-angle adjustment is achieved through the multi-bend arc body and the independent shifting plate, cervical canal differences of different patients are accurately adapted, and the success rate of intubation is increased; the control structure is convenient to operate, and the necking state is stable and controllable. The whole device is designed through mechanical linkage, safety, adaptability and operability are considered, and safety and comfort of an embryo transplantation operation are remarkably improved.

A kidney supply storage bag applied to a robot kidney transplantation operation belongs to the technical field of kidney storage for kidney transplantation, and is characterized by comprising thermal insulation cloth and a plurality of medical rubber mats which are transversely and uniformly distributed and connected to the upper edges of the upper and lower surfaces of the thermal insulation cloth, medical cloth liners are symmetrically connected to the left and right edges of the upper surface of the thermal insulation cloth front and back, a drainage device is inserted in an interlayer in the thermal insulation cloth, a feeding connector is connected to the circle center of the surface of one end of the drainage device, and a discharging connector is connected to the circle center of the surface of the other end of the drainage device. Low-temperature liquid is completely led out in the pipeline in a sealed mode, so that the low-temperature liquid cannot flow into the abdominal cavity, and the storage bag is separated from the intestinal canal through thick large gauze.

The invention relates to a tool for obtaining free soft tissue flaps in oral soft tissue transplantation surgery, which comprises a handle and a working structure fixed at the front end of the handle, the working structure is made of medical-grade metal materials, and the whole working structure is of an arc shovel-shaped structure and is matched with the radian of an alveolar bone; a working blade is arranged at the front end of the working structure, a depth limiting structure used for limiting the shoveling depth is arranged on the side portion of the working structure, the position of the depth limiting structure is relatively higher than the working blade, and a preset height difference exists between the depth limiting structure and the working blade. The tool ensures that the thickness of the soft tissue valve obtained every time is accurate and uniform through the working head with the standardized thickness and width, obtaining can be completed through one-time cutting and propelling, and the operation efficiency is improved.

The invention relates to the technical field of organ transplantation medical instruments, and particularly discloses a flow and pressure monitoring and control system for a perfusion process before donor lung acquisition. The system comprises an integrated disposable perfusion pipeline assembly, a multi-point pressure monitoring module, a flow adjusting module, a real-time feedback control module, a data storage and analysis module and a man-machine interaction module. A multi-point pressure interface and an electric control proportional valve are arranged in the integrated disposable perfusion pipeline assembly, and are matched with a reusable driving part, so that sterile safety and operation simplification are realized; the multi-point pressure monitoring module collects pressure data of positions such as a pulmonary artery inlet, a far end and a left atrium, and the flow adjusting module accurately adjusts the perfusion flow velocity based on an electric control proportional valve. The problems of insufficient perfusion precision, non-uniform distribution, lack of dynamic feedback, incomplete consumable design and the like in the prior art are solved, the donor lung perfusion safety and effectiveness are remarkably improved, and a guarantee is provided for successful lung transplantation.

The invention belongs to the technical field of cardiopulmonary transplantation, and discloses a sternum and rib retractor for cardiopulmonary transplantation, which comprises a fixing component and an adjusting component slidably mounted on the fixing component, a first distraction component is mounted on the outer wall of the fixing component, a plurality of air bags are mounted on the outer wall of the first distraction component, the air bags are in contact with the sternum of a patient during expansion, and the adjusting component is slidably mounted on the fixing component. A cushion layer is formed to prevent the sternum from being in direct contact with metal of the retractor, a fixing cavity is formed in the fixing assembly, and an extrusion plate is installed on the outer wall of the fixing cavity in a penetrating mode, so that air enters the air bag through a pipeline, and the air bag expands to conduct buffering protection on the sternum of a patient. When the sternum distraction device is used, the distraction plate is embedded into the sternum of a patient, the handle drives the fixing block and the adjusting bolt to rotate, the position of the distraction plate is adjusted, and the adjusting function is achieved. The air bag dynamically adapts to the sternum form, the retraction pressure is dispersed, compression necrosis of local tissue is avoided, and the sternum tissue of a patient is effectively protected.

The utility model discloses an all-dimensional laryngeal body heat preservation device, and relates to the field of laryngeal transplantation surgery auxiliary equipment. The bottom surface of the upper box body is open, a first heat conduction elastic film covers the upper box body, a first water cooling cavity is formed in the upper box body, and the side wall of the upper box body is communicated with a first liquid inlet pipe and a first liquid outlet pipe; the top face of the lower box body is open and covered with a second heat conduction elastic film, a second water cooling cavity is formed in the lower box body, and the side wall of the lower box body communicates with a second liquid inlet pipe and a second liquid outlet pipe; a third water cooling cavity is formed in the throat body inner wall heat preservation pipe, and the end face of the throat body inner wall heat preservation pipe communicates with a third liquid inlet pipe and a third liquid outlet pipe; the upper box body and the lower box body are clamped in an abutting mode, a containing cavity is formed by clamping of the first heat conduction elastic film and the second heat conduction elastic film, and the throat body inner wall heat preservation pipe is clamped between the upper box body and the lower box body and located in the containing cavity. The purposes of all-directional coating and efficient low-temperature storage of the transplanted throat pipe are achieved.

1. The name of the design product: corneal visible trepan (with handle). 2. The use of the design product: the design product is used for drilling cornea in corneal transplantation operation. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The invention provides an intelligent corneal transplantation operation planning and postoperative management system, and the system comprises a model construction module which is used for collecting the preoperative multi-modal eye image data of a patient, and constructing a three-dimensional digital twinborn body; the preoperative planning module is used for generating a corresponding operation scheme through analogue simulation based on the three-dimensional digital twin and generating a recovery trajectory prediction model; the intra-operation correction module is used for collecting multi-mode eye image data in the operation in real time, dynamically updating the three-dimensional digital twin body, correcting an operation scheme and recovering a trajectory prediction model; and the postoperative monitoring module is used for periodically collecting self-examination data of the patient, inputting the self-examination data into the recovery trajectory prediction model to calculate the deviation probability of the self-examination data and the prediction data, and automatically generating a risk level assessment report. According to the method, the eye digital twins are constructed and updated in real time, so that accurate planning and intelligent monitoring of the whole process of the operation are realized, and the operation safety and the postoperative rehabilitation quality are improved.

Hair is collected for a hair transplantation process, and a hair graft is immediately placed in a bald area. The collection tool can be controlled by the robot. The tool utilizes vacuum to facilitate complete resection. The resected graft is aspirated through a conduit and delivered almost instantaneously into an implant (two-channel implant) held by the surgeon or robot. The on-demand graft system is controlled by a surgeon to acquire one, two, three or more hair grafts by sending a series of instructions to the handpiece of the implant. In another embodiment, the computer partially or integrally plans the location of each graft within the surgical field of view and selects these hair follicles to minimize the pitch left after each resection while obtaining the number of grafts selected by the surgeon.

A handling device for hair transplantation operations and the surgical procedure with which to operate is provided. The device includes a main body provided with incision elements and with explantation and implantation elements for the transplantation of at least one follicular unit from the scalp of a patient to a tissue to be treated, and an analysis and verification portion associated with the main body proximate to the explantation and implantation elements and adapted to contain the follicular unit. Image acquisition elements are provided for the acquisition of images of the contents of the analysis and verification portion. The image acquisition elements are functionally associated with at least one screen for displaying the images on an enlarged scale showing the contents of the analysis and verification portion so as to examine and verify the properties of the follicular unit directly from the analysis and verification portion before its implantation.