62 results about "Surgical risk" patented technology

This utility model relates to the field of medical device technology and discloses a hand surgery positioning device, including a positioning mechanism, a cleaning mechanism at the bottom of the positioning mechanism, and a main body structure at the bottom of the cleaning mechanism. This utility model, by setting up a positioning mechanism and using a soft rubber strap, and utilizing the cooperation of hooks and stainless steel hooks, ensures that the hand is gently and firmly fixed during surgery, reducing surgical risks caused by unnecessary movement. The design of the stainless steel hooks allows for moderate expansion and contraction, avoiding discomfort caused by excessive restraint and improving the patient experience. The cleaning mechanism located below the positioning mechanism, with a body structure featuring planar drainage holes and channels, facilitates thorough rinsing of the hand before and after surgery. The drain pipe configuration further simplifies the liquid discharge process, maintaining a clean and tidy surgical environment and reducing the risk of infection.

This application relates to the field of medical devices and discloses a thrombectomy device, including a control handle, a catheter, and a thrombectomy assembly. The proximal end of the catheter is connected to the control handle, and the catheter has a suction chamber. The thrombectomy assembly includes a thrombectomy structure, a driven component, and a rotating component. The thrombectomy structure passes through the suction chamber, with its distal end located on the distal side of the suction chamber. The proximal end of the thrombectomy structure is connected to the driven component, which is located within the control handle and detachably connected to the rotating component. This thrombectomy device can effectively remove thrombi and reduces the time required for instrument replacement and re-angiography, improving surgical efficiency and reducing surgical risks.

The application relates to the technical field of orthopedic puncture, in particular to an orthopedic puncture navigation system; through the cooperation of a puncture positioning module and a control module, image data and a mechanical adjusting mechanism are organically combined, high-precision planning and positioning of a target puncture point, a puncture angle and a puncture depth are realized, the dependence on the experience of an operator in traditional puncture operation is significantly reduced, the problem of inaccurate positioning caused by artificial judgment deviation is effectively solved, the operation time is greatly shortened, so as to reduce the pain and operation risk of a patient, the puncture positioning module adopts a mechanical structure of a multi-degree-of-freedom adjustable machine, through the cooperation of a horizontal distance adjusting rod, a vertical distance adjusting rod and a positioning cylinder, flexible and accurate adjustment of the position and angle of a target puncture needle in a three-dimensional space is realized, the structure is compact and the adjusting logic is clear, the adaptability of the system to different anatomical structures and operation scenes is enhanced, and the flexibility and controllability of operation are improved.

The application discloses a kind of based on graph coding's diagnosis and surgical matching check method and system, the method includes: obtaining the diagnosis data and surgical plan data of target object;Based on feature extraction algorithm, extract the diagnosis change feature and surgical step feature in the diagnosis data and the surgical plan data;Based on graph network coding algorithm, the diagnosis change feature and surgical step feature are encoded into corresponding node relationship graph;The node relationship graph is input into trained graph neural network to obtain the matching degree parameter of output diagnosis and surgical plan.It can be seen that the present application can realize accurate medical diagnosis and surgery matching evaluation based on graph structure feature association, improve the scientificity and adaptability of surgical plan selection, reduce the surgical risk and treatment deviation caused by mismatch between scheme and diagnosis.

This utility model relates to a one-button locking flexible shaft retractor and its matching brain repression plate, belonging to the field of medical device technology. It includes a flexible shaft retractor and a brain repression plate. The flexible shaft retractor includes a plate clamp assembly, a flexible shaft body, and a fixing seat. The plate clamp assembly includes a fixing rod, an outer sleeve, a spring, a steel ball, and an end cap. The brain repression plate includes a round handle and a pressure plate. This utility model enables one-button locking of the brain repression plate, which is simple and quick to operate, saves operation time, improves surgical efficiency, provides a good instrument operation experience, and ensures consistent locking firmness, greatly reducing surgical risks. It prevents slippage or wobbling due to incomplete locking and avoids the "cold" feeling caused by direct contact between metal instruments and human tissue. The parallel fixing method of the brain repression plate and the flexible shaft retractor in this utility model makes clinical use more convenient, improves the stability of locking and fixing, reduces material costs, and increases the clinical surgical operating space.

The present application belongs to the technical field of medical operation auxiliary, and particularly relates to a precise tension control method and system for aortic repair operation. By acquiring the edge information and repair displacement of the repair area, the present application can not only evaluate the feasibility of the repair operation, but also obtain multiple executable repair plans through simulation calculation, so that the doctor can pre-plan the best repair scheme before the operation is implemented, greatly improving the success rate and safety of the operation. At the same time, the tension parameters in the repair process can be monitored in real time during the operation, ensuring that the repair process is carried out within a safe range, preventing the repair area from being stretched or compressed excessively, avoiding surgical risks, and through precise control of tension and optimization of repair plans, the operation time is shortened, the operation efficiency is improved, and the postoperative recovery time and complication risk of the patient are reduced.

This utility model relates to the field of assistive devices, providing an endocavitary medical assistive device and endocavitary medical equipment. The endocavitary medical assistive device includes a guide rod; a first balloon, comprising at least two first split balloons; a second balloon, arranged adjacent to the first balloon along the axial direction of the guide rod, also comprising at least two second split balloons; an inflation component, in fluid communication with the first and second balloons; and a control component disposed on the guide rod, used to control the fluid flow between the inflation component and the first and / or second split balloons. This endocavitary medical assistive device can precisely adjust the inflation degree and position of the balloon according to surgical needs, thereby improving the precision and controllability of the surgery; it can adapt to target areas of different shapes and sizes, enhancing the adaptability and flexibility of the device; and it can more effectively control pressure and support during the surgical process, thereby reducing surgical risks and improving patient prognosis.

The present invention relates to the field of interventional medical device technology, and specifically, to an occluder and an occlusion system. The occluder comprises an occlusion net, a first closure head, and a second closure head. The occlusion net comprises a net structure formed by weaving one or more braided wires and an inner cavity. One axial end of the occlusion net is gathered and fixed to the first closure head, and the other axial end of the occlusion net is gathered and fixed to the second closure head. A first through hole is formed in the first closure head, and a second through hole is formed in the second closure head. The first through hole, the inner cavity of the occlusion net, and the second through hole are in communication with each other to form a guide wire channel through which a guide wire can pass. By providing the guide wire channel, after the occluder is detached from a pushing cable, the guide wire can still be retained in the guide wire channel. When the release effect of the occluder is unsatisfactory, the pushing cable can be re-docked with and fixed to the second closure head along the guide wire, such that the occluder can be retrieved and re-released, the surgical efficiency is improved, and the surgical risk is reduced.

This invention discloses a puncture device, comprising a puncture cone and a puncture body. The puncture cone includes a puncture rod, a puncture blade, and a puncture blade sheath. The puncture blade is located at the tip of the puncture cone and is connected to the puncture rod. The puncture blade and the puncture rod are located within the sheath. The puncture body includes an electric motor, a power conversion component, and a first proximity switch. At least one trigger structure is provided at the proximal end of the puncture blade sheath. When the trigger structure moves to a specific position of the first proximity switch, the first proximity switch closes, the electric motor starts, and the power conversion component pushes the puncture rod to perform a puncture action. When the trigger structure leaves the specific position of the first proximity switch, the first proximity switch opens, the electric motor stops working, and the puncture rod stops its puncture action. This invention's puncture device uses an electric motor to complete the puncture action, reducing operator effort, improving feel, lowering surgical risks, and increasing operational efficiency.

The application relates to the field of medical instruments, and provides a brain operation path guiding system, which comprises an operation instrument, a face scanning three-dimensional camera, a positioning three-dimensional camera and a processor. The application determines a first pose conversion relationship between an operation instrument positioning code and the operation instrument, a second pose conversion relationship between the face scanning three-dimensional camera and a camera positioning code, a third pose conversion relationship between the positioning three-dimensional camera and the camera positioning code, and a fourth pose conversion relationship between the positioning three-dimensional camera and the operation instrument positioning code, carries out three-dimensional reconstruction based on an MRI image of a patient to obtain an MRI reconstruction model comprising a three-dimensional operation path, and determines a position and an angle offset between the operation instrument and the three-dimensional operation path according to the first, second, third and fourth pose conversion relationships, the MRI reconstruction model and a three-dimensional point cloud model of a patient face transmitted by the face scanning three-dimensional camera, so that the accuracy of an operation position and an operation angle is improved, and the operation risk is reduced.

This invention relates to the field of medical device technology, and more particularly to a personalized trajectory planning system for stroke rehabilitation that integrates electromyography and motion capture. The system includes a power supply module, and a multimodal perception enhancement module, an intelligent fusion decision-making module, a dynamic trajectory generation module, a clinical adaptation enhancement module, and an effect evaluation feedback module electrically connected to the power supply module. The multimodal perception enhancement module, intelligent fusion decision-making module, dynamic trajectory generation module, and clinical adaptation enhancement module are sequentially connected via data. The effect evaluation feedback module is data-connected to the clinical adaptation enhancement module and establishes a closed-loop data interaction link with the dynamic trajectory generation module. This invention achieves accurate acquisition, information complementarity, and time synchronization of multi-source perception data, providing high-quality and consistent input data for subsequent decision-making. It solves the problems of single perception data, poor path adaptation to the patient's actual situation, and increased surgical risks in existing technologies.

The present application relates to a delivery system and a control handle thereof, the control handle comprising a handle housing and a line withdrawal mechanism, the handle housing is formed with a main cavity and a side cavity communicating with the main cavity, the side cavity extends in a direction which is at an acute angle with the direction in which the main cavity extends proximally, the line withdrawal mechanism is at least partially located in the side cavity, the line withdrawal mechanism is configured to wind a first pull wire and a second pull wire, the first pull wire is configured to generate a radial binding force on an implant under the constraint of a limiting pin, and the first pull wire releases the radial binding on the implant when the limiting pin is removed, the second pull wire is connected with the limiting pin, and the second pull wire is configured to pull the limiting pin to move proximally relative to the implant to remove the limiting pin. The delivery system and the control handle thereof of the present application are simple to operate and do not increase the overall length of the control handle, the line withdrawal mechanism can wind the first pull wire and the second pull wire, and the risk of surgery is increased due to the residual pull wire in the body.

This invention provides an application of type I interferon signaling pathway inhibitors in the preparation of drugs for treating age-related cataracts. By inhibiting type I interferon receptors, it can precisely intervene in the aging mechanism of lens epithelial cells, block the transmission of aging signals, and directly improve lens transparency, exhibiting higher therapeutic efficacy and targeting. The use of IFNAR inhibitors can effectively reverse the aging phenotype caused by STEAP3 deficiency, restore the proliferative capacity of lens epithelial cells, thereby maintaining lens transparency, significantly reducing surgical risks, and providing patients with an early intervention opportunity, delaying the onset and progression of cataracts. IFNAR inhibitors, through precise intervention in specific signaling pathways, have more significant therapeutic effects, and due to their targeting, have fewer side effects and are safer. They can not only improve existing cataracts but also play a preventive and delaying role in the early stages of cataracts. For patients with mild cataracts, the use of type I interferon receptor inhibitors can avoid premature surgical treatment, reducing patient dependence on surgery and also reducing the costs and risks associated with surgery.

This application relates to a surgical instrument and medical device, including a delivery unit; a drive component at least partially disposed within the delivery unit; an end effector disposed at the distal end of the delivery unit, the end effector being connected to the distal end of at least a portion of the drive component, the end effector being configured to switch between a first state and a second state to manipulate target tissue; a flexible continuum connected between the delivery unit and the end effector, the flexible continuum being configured to bend under the drive of the drive component; and a locking structure disposed on the flexible continuum, the locking structure being configured to lock the flexible continuum in a bent state, thereby maintaining the flexible continuum in a bent state. The locking structure in this application locks the flexible continuum in a bent state, eliminating the need for continuous force application by the operator, which facilitates a surgical mode of simultaneous cutting and traction, significantly improving surgical efficiency, shortening surgical time, and reducing surgical risks due to poor field of vision.

This utility model relates to the field of medical device technology, specifically to a laparoscopic anastomosis cutting device with an anti-slip design. The utility model includes a handle, a rotating frame mounted on one side of the handle, an operating frame fixedly mounted on one side of the rotating frame, a connecting tube fixedly mounted on one side of the operating frame, a movable frame snapped onto one side of the connecting tube, a cutting device fixedly mounted on one side of the movable frame, an angle adjustment plate mounted on the surface of the operating frame, an operating handle movably mounted on the surface of the handle, anti-slip nets fixedly connected to both sides of the handle, and three grooves with decreasing apertures on the surface of the operating handle. This solves the problem that the handle and operating lever held by the surgeon are prone to slippage during prolonged surgery or when hands are sweaty, reducing operational stability and safety, and increasing surgical risks.

This invention discloses a gallbladder drainage stent for ERCP surgery, comprising an insertion tube, several sets of connecting ribs fixedly connected to the outside of the insertion tube, a communicating groove opened on the outside of the connecting ribs, several sets of rotating plates rotatably connected inside the communicating groove, a rotating block rotatably connected to the inner side of the outer end of the rotating plate, a support plate fixedly connected to the outside of the rotating block in the same group, sliding rods slidably connected to the inside of both sides of the support plate, contact plates fixedly connected to the outside of the sliding rods, several sets of connecting tubes fixedly connected between the contact plates, a through tube fixedly connected between the middle of the connecting tube and the inside of the insertion tube, and a fluid inlet opened on the outside of the connecting tube. The entire stent can be deployed and anchored with only one action, making the operation simple and quick, significantly shortening the operation time, reducing surgical risks and patient suffering.

The utility model discloses a seven degrees of freedom intelligent adjustment mechanism, seven degrees of freedom intelligent adjustment mechanism include liftable branch and set up in the lifting platform of branch top, lifting platform include X Y Z adjustment support, rotary drive mechanism, rotary drive mechanism set up on X Y Z adjustment support. Through adopting high accuracy servo motor, encoder and accurate transmission, combining advanced intelligent control algorithm, this mechanism can realize micron even higher accuracy position and attitude adjustment, satisfied the strict requirement of high accuracy operation of industry, medical treatment and other fields. For example, in medical operation auxiliary scene, can help the doctor more accurate control surgical instrument, reduce the operation risk. Intelligent control system can real -time sensing mechanism's operating state and external environmental information to the motion of each joint according to preset program and algorithm automatic regulation, realizes the operation of automation, intelligent, reduced manual intervention.

This invention discloses a deep learning-based risk prediction system for lung bullae reduction surgery under lung expansion, belonging to the field of image processing technology. The system includes: a surgical data acquisition module, a preoperative image enhancement module, a surgical risk prediction model construction module, and a surgical risk prediction module. Specifically, this invention extracts the effective region of lung tissue, obtains multi-scale denoised and enhanced lung tissue images based on dynamic noise suppression factors and noise region masks, and obtains adaptively enhanced lung tissue images based on adaptive contrast stretching, providing high-quality image input for multimodal risk feature fusion. It generates cross-modal fusion features based on a gating mechanism, generates multi-scale fusion risk features through convolutional layers, and splits them into two branches. Interactively enhanced branch features are obtained based on interactive attention weights, and deep risk features of each branch are extracted, improving the clinical applicability and accuracy of risk prediction for lung bullae reduction surgery under lung expansion.

A method for acquiring state data of an interventional instrument, and a device and a medium. The method comprises: constructing a virtual interventional scene corresponding to a real interventional scene; acquiring a control instruction generated by a master controller; on the basis of the control instruction, controlling the movement of an interventional instrument in the real interventional scene, acquiring a corresponding DSA image, and on the basis of the DSA image, obtaining first state data of the interventional instrument in the real interventional scene; on the basis of the control instruction, controlling the movement of a virtual interventional instrument in the virtual interventional scene, and acquiring second state data of the virtual interventional instrument; and fusing the first state data and the second state data, so as to obtain fused state data. The finally obtained fused state data is more accurate and reliable, enabling a doctor to perceive the state of an interventional instrument during surgery more precisely, thereby improving the safety and accuracy of the surgical operation, and providing a more robust basis for surgical risk prediction.

The utility model belongs to the technical field of medical apparatus and instruments, concretely relates to a score structure and score balloon, score structure includes the score silk at the surface of balloon and is provided with the fixing piece at the both ends of score silk, the fixing piece is annular hollow structure, the one end away from score silk on the fixing piece is provided with the fixed ring, the utility model has high connecting strength, is not easy to fall off, further improves the overbending capacity, reduces the operation risk, improves the security.

This invention relates to a gastric wall fixator, comprising a housing and a puncture assembly. The puncture assembly includes two puncture needles, one of which has a channel, and the other puncture needle has a detachment mechanism movably inserted therein. The housing has an inlet, through which a suture thread passes into the channel. The housing has a push rod connected to the detachment mechanism, and the push rod is slidably connected to the housing. An elastic element is fitted onto the push rod. The advantages of this invention are: by fitting an elastic element onto the push rod, no manual intervention by the doctor is required during operation. Simply releasing the push rod allows the elastic element to automatically push the push rod in the opposite direction using its own elasticity, thereby causing the detachment mechanism to accurately retract into the puncture needle. The repositioning action is continuous and stable, completely avoiding the operational errors and unreliability problems caused by manual repositioning, significantly reducing the surgical risks caused by improper repositioning, and simplifying the operation process and reducing the surgical burden on doctors.

The present application relates to the technical field of medical devices, and provides a continuum mechanical arm structure integrated with laser focusing and ultrasonic feedback functions, comprising a distal continuum module, a proximal continuum module, a first driving tendon and a second driving tendon, the first driving tendon being used for controlling movement of the distal continuum module, and the second driving tendon being used for controlling movement of the proximal continuum module; a pose detection module and a laser optical module are sequentially arranged at the front end of the distal continuum module, the pose detection module is used for acquiring relative pose information of a target lesion, and the laser optical module is used for projecting laser energy to treat the target lesion; an endoscope vision module is arranged on the side wall of the distal continuum module, and the endoscope vision module is used for acquiring image information. The present application not only can improve the flexibility and adaptability of surgery, but also can realize precise treatment, improve treatment effect, avoid damage to surrounding healthy tissues, reduce surgical risk, and meet the requirements of flexibility and accuracy of orthopedic treatment.

The application discloses a kind of microfracture surgery and cavity bone combined injection apparatus.The microfracture instrument designed by the application can more accurately control the depth and angle of microfracture punching by using a level angle sensor and a depth sensor, and the operation result can be displayed in real time by using a liquid crystal display to provide intuitive and accurate operation feedback for doctors.In addition, by improving the unadjustable bending angle of the previous instrument, the drill bit part of the application can flexibly adjust the angle to adapt to various complex joint structures and anatomical features, making it possible to perform surgery in difficult-to-reach areas.The application simplifies the operation while providing a more favorable environment and conditions for cartilage repair, which is expected to improve the treatment effect, avoid the pain and discomfort caused by secondary puncture, and reduce the risk of infection and other surgical risks.

This invention discloses a device for continuous self-expansion of the surgical field under closed-view visualization in transvaginal laparoscopic surgery. It comprises a control sheath rod, a traction lifting plate, a telescopic bowel pressure plate, a directional elastic ring, a sealing sheath bag, and a counterweight. The sealing sheath bag is annularly connected to the directional elastic ring. The traction lifting plate is mounted on the upper side of the directional elastic ring and on the lower side within the rotating groove of the main locking hook at the front end of the control sheath rod. The telescopic bowel pressure plate is installed in a flat sheath tube penetrating the control sheath rod and is adjusted and fixed by bolts and nuts. Pulling the sealing sheath bag rotates the directional elastic ring to a horizontal and vertical angle, the traction lifting plate automatically horizontally lifts the uterus, and the telescopic bowel pressure plate adjusts and controls bowel interference. During the operation, it automatically expands to isolate and form an independent and safe surgical operating area within the pelvic cavity, avoiding mutual interference, reducing surgical risks, and improving surgical efficiency.

The application discloses a kind of orthopedic surgery robot monitoring system and monitoring method thereof, it is related to orthopedic surgery robot monitoring technical field, the present application integrates power parameter and position parameter, constructs comprehensive surgical risk assessment system, avoid one-sidedness of single parameter monitoring, based on real-time data calculation power parameter deviation, trajectory deviation and risk coefficient, reflect the dynamic fluctuation of parameter in surgical process, break through the rigidity of traditional static threshold evaluation, reduce the probability of dangerous operation;Risk trend is predicted using model, risk rises, falls or stable state is identified in advance through slope comparison, realize forward-looking early warning, avoid lag response, simultaneously combine risk level dynamic adjustment power parameter and surgical trajectory, improve the risk prevention and control capability in surgical process, reduce the surgical complications caused by risk handling not in time or improper handling, significantly improve the safety and success rate of orthopedic surgery.

An anesthesia pre-screening system and digital anesthesia pre-screening processes (“anesthesia pre-screening system and processes”) are disclosed. The anesthesia pre-screening system and processes are configured to automatically calculate surgical risks based on (i) data from digital questionnaires completed by patients in advance of surgery, (ii) image data comprising patient photos, and (iii) medical data including preoperative vitals data and data results of testing. The anesthesia pre-screening system and processes are configured to automatically obtain digital consent forms with digital signatures of patients. The anesthesia pre-screening system and processes are further configured to provide anesthesia discharge instructions after calculating surgical risks.

This invention relates to the field of medical device technology, specifically disclosing a tumor resection device, including a resection mechanism, a body, a handle, a drive mechanism, a transmission mechanism, and an adsorption mechanism. The handle, body, and resection mechanism are sequentially connected. The drive mechanism is installed inside the handle, and the transmission mechanism is installed inside the body and connected to the drive mechanism and the resection mechanism. The drive mechanism drives the resection mechanism to perform tumor resection via the transmission mechanism. The adsorption mechanism is installed inside the handle and body, and when the resection mechanism removes the tumor, the adsorption mechanism removes the removed tumor. The tumor resection device has an elongated structure, and the maximum outer diameter of the cross-section of the tumor resection device is less than or equal to 10 mm. This invention's resection mechanism removes the tumor through the adsorption mechanism, effectively reducing the wound, alleviating patient pain, and lowering surgical risks.

This application relates to an in-situ printing device and method for tissue engineering scaffolds. The device includes a main unit, a handheld end, and connecting cables. The main unit includes a housing, a display screen, a control system, and a high-voltage generator. The handheld end includes a body, a propulsion mechanism, and a long nozzle tube. The long nozzle tube is installed at the front end of the main unit, and the high-voltage generator is used to generate a high-voltage electric field at the front end of the long nozzle tube. The propulsion mechanism is installed inside the main unit, and a material tube for storing bio-ink is installed inside the main unit. The propulsion mechanism is connected to both the long nozzle tube and the material tube. The control system controls the propulsion mechanism to deliver the bio-ink to the long nozzle tube, and under the action of the high-voltage electric field, the bio-ink forms fibers and deposits on the area to be repaired to construct a tissue engineering scaffold. This application combines the handheld end with the main unit, and through the main unit controlling the long nozzle tube, directly forms a tissue engineering scaffold in situ inside the body, making the morphology and structure of the scaffold highly match the damaged tissue, reducing surgical risks and patient suffering.

A keratoprosthesis (100), comprising a support (10) and a lens column (30), the lens column (30) comprising a body (31) and a collar (32). A middle part of the support (10) is provided with a mounting hole (10A), a hole wall of which being provided with an internal thread (111), and the outer peripheral wall of the collar (32) being provided with an external thread (321) fitting with the internal thread (111), so as to detachably assemble the support (10) and the collar (32). The material of the body (31) is polymethyl methacrylate, so as to provide a reliable light path structure, and the collar (32) is titanium metal. The body (31) and the collar (32) are integrally formed, such that the collar (32) is sleeved on the body (31) so as to form a lens column (30), and the outer peripheral wall of the body (31) is provided with a limiting slot (31D) for limiting the collar (32). The support (10) is titanium metal, such that the internal thread (111) and the external thread (321) are metal threads of the same material, and the heat shrinkage ratios of structures of the same material undergoing a temperature change are the same, so that a joint has a high assembly reliability and does not separate or fall off unless an external force is applied thereto. The service life of the artificial cornea is increased, surgical risks are reduced, a patient is protected from secondary injury or being blinded again, and use satisfaction is increased.