28 results about "Surgical safety" patented technology

The utility model discloses a kind of auxiliary distraction devices for operation, it is related to medical instrument technical field.Auxiliary distraction devices for operation include handle, guide pipe, distraction assembly, adjusting assembly, limiting component;One end of guide pipe is connected with handle;Distraction assembly is set to the end portion of guide pipe away from handle, distraction assembly includes first jaw, second jaw, and all are connected with guide pipe by first pivot hinge connection;Adjusting assembly is set on handle;Limiting component is installed on handle;The auxiliary distraction device for operation provided by the utility model, when surgical field is limited due to surrounding tissue, only need to hold handle and move distraction assembly to limited area of field of view, then drive adjusting assembly to make first jaw and second jaw open to the tissue obstructing operation, and then limit distraction assembly using limiting component, to quickly solve the problem of limited surgical field, ensure the smoothness of surgical process and surgical safety.

The utility model relates to the field of medical apparatus and instruments especially a head multi -mode body position fixer for operation, including pillow support, the middle of pillow support is woven with head support, is firmly equipped with two mounting seat on the lateral wall of pillow support, the end of mounting seat all is firmly equipped with first electric push rod, the utility model compared with traditional head body position fixer for operation, through pillow support and head support cooperation can improve the stability of patient head support, through mounting seat, first electric push rod, movable seat and support band cooperation improved two support band horizontal movement's stability, through adjusting band and pressure sensor cooperation improved the convenience of pressure sensor position adjustment, through control assembly and pressure sensor cooperation, can real -time monitoring the pressure between patient head and support band, through the signal control first electric push rod and second electric push rod micro - move change support band's pressure, thereby convenient and timely rectification improves the safety of operation.

The application relates to the technical field of surgical intelligent assistance, and relates to an auxiliary analysis system for ureteroscopy and a storage medium. A computer readable storage medium stores a computer program, the computer program comprises program instructions, and the program instructions enable a processor to execute the following steps when the program instructions are executed by the processor: using a medical detection device to perform preoperative examination on a patient for ureteroscopy to obtain preoperative detection information; obtaining a multi-feature fusion image according to the preoperative detection information; introducing a light emission mechanism and a model rendering method to combine the preoperative detection information and the fusion image to construct a three-dimensional model and obtain a three-dimensional simulation model of the patient; and formulating a ureteroscopy scheme based on the preoperative detection information, the multi-feature fusion image and the three-dimensional simulation model to realize surgical auxiliary analysis and guarantee surgical safety. The application forms a closed loop of preoperative examination, information analysis, model construction and scheme formulation, realizes intelligent surgical assistance, and improves surgical safety and success rate.

The application belongs to the technical field of medical devices, and particularly relates to an automatic needle insertion depth control system based on depth perception. The application discloses an automatic needle insertion depth control system based on depth perception, which comprises a multi-modal environment perception unit, a high-sensitivity mechanical monitoring unit, a dynamic deformation estimation unit, a depth decision control unit and a precision mechanical driving unit. The multi-modal environment perception unit is used for acquiring 3D point clouds and reconstructing surface topology. The high-sensitivity mechanical monitoring unit is used for monitoring a puncture load curve in real time. The dynamic deformation estimation unit is used for calculating a tissue displacement vector field. The depth decision control unit is used for determining a needle tip physical distance according to deformation and mechanical characteristics and generating a correction instruction. The precision mechanical driving unit is used for executing needle insertion closed-loop control. The application effectively solves the problem of accurate tracking under tissue dynamic deformation by fusing depth perception and mechanical feedback, realizes real-time and accurate control of needle insertion depth, significantly reduces the risk of misinsertion, and improves the safety of surgery.

A reinforcement learning method for path marking and automatic planning for a personalized virtual laparoscopic surgical robot, comprising: defining a state space and an action space of the virtual laparoscopic surgical robot in an abdominal cavity environment (S1), wherein the state space is used for describing current configurations of a surgical environment, and the action space is used for defining actions that can be executed by a robotic arm in the abdominal cavity environment; designing a reward function mapping the state space and the action space to a real-valued evaluation index, for representing an immediate reward obtained by executing action a in state S (S2); constructing a hierarchical DQN architecture, for decomposing a surgical path planning task into two levels: high-level policy planning and low-level action execution (S3); and performing reinforcement learning training on a path marking and automatic planning task of the virtual laparoscopic surgical robot on the basis of the hierarchical DQN architecture (S4). The method is a learning method capable of optimizing surgical path planning under the uncertainty of virtual laparoscopic surgery by incorporating systematic considerations of surgical safety.

This invention discloses an adaptive smoke control method and system for laparoscopic surgery. The method includes: continuously and in real-time acquiring laparoscopic video streams, energy instrument operating parameters, and smoke removal equipment operating status parameters; inputting the video streams into a spatiotemporal dual-branch smoke state network to obtain smoke density values, field-of-view occlusion rates, and smoke change rates; retrieving reference control groups from a historical record database based on surgical type, surgical steps, and smoke status; matching candidate control rules according to a multi-dimensional rule base; generating control instructions including target negative pressure, valve opening, and filtration mode by a rule base intelligent agent through fusion decision-making; executing the smoke removal operation by an embedded controller and writing the control data back to the historical record database. The method and system of this application construct a closed-loop control link of "identification-decision-execution-feedback," which can adapt to different surgical scenarios, improve the smoke removal response speed and accuracy, and ensure surgical safety and equipment stability.

This application relates to the field of medical safety technology, and in particular to a surgical safety verification method, device, and related equipment based on a large language model. The method provided in this application includes: acquiring patient information and surgical plan information and performing semantic parsing; extracting medical clinical entities from the patient information and surgical plan information and converting them into entity semantic vectors; matching the entity semantic vectors with preset embedding vectors of each node in a medical knowledge graph to determine the corresponding nodes of the medical clinical entities in the medical knowledge graph; determining the relationships between medical clinical entities based on the corresponding nodes and the topological structure of the medical knowledge graph; fusing the medical clinical entities and relationships to obtain fused feature information; and inputting the fused feature information into a large language model to obtain the surgical safety verification results output by the large language model. This application provides a surgical safety verification method with stronger analytical capabilities and reduces the waste of manual resources.

This invention relates to the field of medical equipment management technology and discloses an intelligent surgical instrument identification and real-time inventory image analysis system. The system includes an image acquisition module, an image preprocessing module, a topological feature extraction module, an instrument identification module, a spatiotemporal trajectory analysis module, a state prediction module, and a decision support module. This system achieves high-precision identification of surgical instruments through topological invariant feature extraction technology; accurately identifies instrument usage anomalies using spatiotemporal topological manifold trajectory analysis; and achieves forward-looking prediction of instrument states based on topological manifold learning prediction technology. This overcomes the bottleneck of low accuracy in complex environments inherent in traditional image recognition methods, providing a new technical guarantee for surgical safety.

Embodiments of the present application provide a reset robot and a control method thereof. The reset robot comprises a first reset ring, a second reset ring, a first tracer, a second tracer, a reset planning component and a reset driving component. The first reset ring is configured to be connected with a first bone and drive the first bone to move; the second reset ring is configured to be connected with a second bone; the first tracer is configured to obtain first pose information of the first reset ring; the second tracer is configured to obtain second pose information of the second reset ring; the reset planning component is connected with the first tracer and the second tracer, and is configured to obtain a reset path according to the first pose information and the second pose information; the reset path guides the first bone to move relative to the second bone to a target pose; and the reset driving component is connected with the first reset ring and the second reset ring, and is configured to drive the first reset ring to move relative to the second reset ring to the target pose according to the reset path, which is conducive to reducing the difficulty of surgical operation and improving the safety of surgery.

The application discloses a high-frequency electrotome safety system with real-time monitoring function and a control method, relates to the technical field of medical equipment, and comprises: a monitoring unit which collects electrotome output power, current voltage, electrode temperature, tissue impedance and a surgical area image, and the collection frequency is dynamically adjusted according to the surgical stage; a control unit which analyzes multidimensional data, outputs adjustment, early warning and emergency instructions, and coordinates module operation; a power adjustment unit which dynamically adjusts power and adapts to surgical and tissue characteristics; a safety early warning unit which triggers protection through graded early warning; a man-machine interaction unit which displays parameters and supports manual operation; a data storage unit which encrypts and stores data and supports traceability; and a communication unit which transmits data in multiple modes to realize information synchronization. The application realizes real-time monitoring of multiple parameters of the high-frequency electrotome, avoids surgical risks through graded early warning, supports remote monitoring through multiple mode communication, is convenient to operate and adapts to clinical needs, and greatly improves surgical safety and standardization.

This invention provides a method and system for generating a prohibited area-type three-dimensional virtual clamp for surgical safety assurance, relating to the field of virtual clamp technology. In this invention, selected key points are initially tracked through three-dimensional affine transformation; and precise dynamic positioning and tracking of three-dimensional key points in the in vivo environment are achieved by combining texture and optical flow information; furthermore, the three-dimensional coordinates of each key point are aggregated to obtain a three-dimensional prohibited area, and a virtual force field containing repulsive force and viscous resistance is established on the three-dimensional prohibited area, i.e., a prohibited area-type virtual clamp. This prohibited area-type virtual clamp precisely constrains surgical instruments into the protected tissue through a force feedback mechanism.

This application provides a method and related apparatus for generating surgical safety boundaries based on time-varying anisotropic distance transformation and multi-level safety surface metadata encapsulation. The method includes: S1. Obtaining a binary mask of key anatomical structures and their corresponding anatomical categories; S2. Performing time-varying settings on anisotropic parameters based on the anatomical category and the current surgical stage; S3. Performing anisotropic Euclidean distance transformation on the binary mask based on the anisotropic parameters; S4. Extracting multi-level safety isometric surfaces from the anisotropic distance field based on multi-level distance thresholds; S5. Encapsulating the multi-level safety isometric surfaces and complete metadata into a safety boundary data package; S6. Traceably exporting based on various standard 3D model file formats. This application also provides related apparatus corresponding to the method, including devices, electronic devices, computer-readable storage media, and computer program products.

This invention provides an intelligent decision-making method and system for multi-source data fusion during the surgical period based on the Internet of Things (IoT). It relates to the field of surgical data fusion technology, and includes: acquiring multi-source heterogeneous data streams during the surgical period through an IoT sensing layer; identifying cross-source response events and extracting surgical event anchor points; calculating time phase differences and performing reverse compensation to generate a surgical period dataset with a unified time reference; constructing a causal dependency topology by performing conditional independence tests on this dataset; identifying causal shielding nodes through causal blocking tests to generate causal decoupling surgical period features; constructing a surgical safety decision space including intervention and damage boundaries based on the surgical progress; projecting the features and generating decision instructions through constrained gradient search and transmitting them to the surgical equipment control unit; and dynamically updating boundary parameters. This invention achieves time synchronization and causal decoupling of multi-source data, improving the accuracy and safety of surgical decisions.

The present application relates to the medical technical field, specifically relates to a kind of surgical auxiliary method, device, equipment and medium, method includes: obtaining the sign information of patient in operation, wound information, surgical progress information and surgical environment information;The sign information, wound information, surgical progress information, surgical environment information and the historical case and surgical plan of the patient are input into the first risk prediction model of pre-set to carry out sudden risk prediction, and the first risk prediction model is used to predict whether patient exists sudden risk;The first risk prediction model outputs first risk prompt.The present application can accurately predict the sudden risk that patient can appear in operation, and timely risk prompt is sent to surgeon, so that doctor can take measures in advance according to prompt to reduce or avoid risk, and then improve surgical safety and surgical efficiency.

An ultrasonic image-based apparatus for monitoring positional deviation of a surgical instrument, comprising a surgical instrument (112), an ultrasonic subsystem comprising an ultrasonic probe (122), and a control subsystem comprising a processor. The control subsystem is separately connected to the surgical instrument (112) and the ultrasonic subsystem, and the ultrasonic subsystem continuously acquires ultrasonic images of a target tissue site (200) and transmits the acquired series of ultrasonic image frames to the processor of the control subsystem. The surgical instrument (112) moves in the target tissue site (200) according to a surgical planning path set by the processor. The tail end of the surgical instrument (112) is provided with an arc-shaped top end portion (22). The processor comprises an image processing program. The image processing program performs calculation on the basis of the series of ultrasonic image frames, so as to determine a deviation between the position of a tracking sub-region in a current image frame and that of the tracking sub-region in a previous image frame, the tracking sub-region being a region comprising the arc-shaped top end portion (22) in the ultrasonic image. The apparatus can implement accurate, real-time, and effective monitoring of the displacement of the surgical instrument (112) on the basis of the ultrasonic image, ensuring surgical safety.

This application discloses a pneumatic beam positioning device and system. The pneumatic beam positioning device includes a gas source module, a pneumatic beam adjustment module, a multi-sensor input module, and a central control unit. The gas source module is connected to the pneumatic beam adjustment module, the pneumatic beam adjustment module is connected to the multi-sensor input module, and the multi-sensor input module is connected to the central control unit. The pneumatic beam adjustment module includes multiple air passages and multiple airbags, with each air passage corresponding to one of the airbags. Each air passage is equipped with a solenoid valve to control the opening and closing of the corresponding air passage. The airbags are used to adjust the user's position. The multi-sensor input module includes multiple sensor components, each corresponding to one of the airbags. This application enables precise positioning management, improving surgical safety and user comfort.

The application discloses an automatic center positioning and eyeball rotation compensation control system, method and equipment for femtosecond laser refractive surgery, and relates to the field of ophthalmic surgery equipment. The system comprises an image acquisition module, an image processing module, a motion control module, a negative pressure control module and a central processing module. The preoperative sitting visual axis deviation, iris texture and pupil diameter reference value are collected. The light is automatically adjusted during the operation to make the pupil diameter consistent with the pupil diameter reference value, thereby realizing high-precision automatic alignment. After the negative pressure suction ring physically contacts the cornea, the negative pressure is started to ensure stable sealing. After the negative pressure suction, the eyeball rotation angle is automatically calculated through iris feature matching, and the cutting model axis position is adjusted. The application realizes full-process automation, solves the problems of manual operation, large error and low efficiency in the prior art, and significantly improves the visual axis positioning accuracy and surgical safety through active control of physiological conditions (pupil diameter) and strict physical contact logic.

This utility model relates to the field of air conditioning technology, providing an air conditioning system for general operating rooms, including: an air disinfection screen, a multi-split air conditioning unit, a fresh air duct, a plenum chamber, and an exhaust unit; the air disinfection screen is located above the operating table and has a first air supply outlet facing the operating table; the multi-split air conditioning unit includes an indoor unit, a supply air duct, and a return air duct; the indoor unit is located on the ceiling of the operating room, and the supply air duct and return air duct are respectively connected to the indoor unit; the fresh air duct is connected to a centralized fresh air system; both the supply air duct and the fresh air duct are connected to the plenum chamber, which has a second air supply outlet, arranged side-by-side with the first air supply outlet at intervals; the exhaust unit is used to draw in air from the operating room and exhaust it. This utility model occupies little space, ensures uniform and stable temperature and air velocity fields within the operating room, and improves surgical safety.

This invention discloses a pressure-triggered electrosurgical pen and its usage method. The pressure-triggered electrosurgical pen includes a pen housing and an electrosurgical assembly. The electrosurgical assembly includes a blade, an electrical connector, and a conductive element. The blade is movably mounted at the front end of the pen housing and can rotate about the front-to-rear direction of the pen housing, and can also move along the front-to-rear direction. The electrical connector is mounted at the rear end of the pen housing and includes electrical terminals extending into the pen housing. These electrical terminals include a common terminal, an electrocoagulation terminal, and an electrocuting terminal spaced circumferentially along the pen housing. The conductive element is disposed within the pen housing. One end of the conductive element is electrically connected to the blade and can move with the blade. The other end of the conductive element extends towards the electrical connector and has a contact portion. Rotating the blade allows the contact portion to align with the common terminal and the electrocoagulation terminal, or with the common terminal and the electrocuting terminal. This invention avoids the accidental button press problem of traditional electrosurgical pens, improving surgical safety.

This invention discloses a multi-functional, automatically adjustable mounting base, belonging to the field of mounting bases. The multi-functional, automatically adjustable mounting base includes a cavity cover. Inside the cavity cover are an obstacle avoidance module and a camera. The obstacle avoidance module includes a hollow mounting bar, inside which is a telescopic drive component. An extension bar slides within the hollow mounting bar, inside which is a folding drive component. A hollow box is hinged to the lower part of the extension bar, inside which is a rotation drive component. The camera is mounted on one side of the hollow box. This invention solves the problem of limited freedom and efficiency in the operation of surgical instruments, making instrument operation smoother and more unobstructed, significantly improving surgical efficiency and quality, and avoiding observation interruptions or misjudgments caused by accidental camera movement, thus enhancing surgical safety.

The embodiment of the utility model provides a kind of surgical gauze counting hanging bag, it is related to surgical auxiliary tool technical field.Surgical gauze counting hanging bag includes hanging bag body, multiple accommodating pocket and multiple label structure, multiple accommodating pocket is arranged at hanging bag body with interval, and gauze accommodating cavity is formed between accommodating pocket and hanging bag body, and accommodating pocket is provided with visual hole, and visual hole is communicated with gauze accommodating cavity;Multiple label structure is arranged at hanging bag body with interval, and it is one-to-one corresponding with multiple accommodating pocket.Use the surgical gauze counting hanging bag to be able to conveniently medical staff to count gauze, reduce manual counting time, improve the counting accuracy and operating efficiency, improve the surgical safety and nursing quality.

This invention discloses a multi-functional touchscreen display at the entrance of an operating room, comprising a display body, a processor, a multimodal data acquisition unit, an AI control module, and a cascaded anomaly detection and hierarchical protection module. The multimodal data acquisition unit collects environmental data, equipment operation data, and image data of the display content. The AI ​​control module incorporates a mechanism-data hybrid model and an adaptive weighting unit, dynamically generating environmental control commands by fusing physical prediction residuals and deep learning probability entropy values. The cascaded anomaly detection and hierarchical protection module executes a three-level response strategy, achieving non-intrusive prompts, parameter correction, and equipment redundancy switching. Furthermore, it includes independent strip screens forming a dual-link redundant display to ensure continuous output of core vital signs parameters when the main link is interrupted. This invention achieves multimodal information fusion perception, intelligent control, and hierarchical anomaly warning, improving surgical safety and system reliability.

This disclosure relates to the field of medical devices, and discloses a flexible multi-link device, comprising: a first link; a second link rotatably connected to the first link; a connecting seat rotatably connected to the second link; a third link slidably connected to the connecting seat; and a traction mechanism rotatably connected to the first link, the third link, and the connecting seat, wherein the third link is used to slide relative to the connecting seat to drive the traction mechanism to traction the first link and the second link to rotate and bend. This flexible multi-link device can be inserted deep into the body for on-site cleaning of the endoscope lens without removing the endoscope from the body, saving time spent on cleaning during surgery and increasing surgical safety.