31 results about "Surgical skills" patented technology

Conductive elastomeric circuits are used in various simulated physiological structures such as tissues and organs, enabling feedback to be provided indicating whether a simulated task is being performed correctly. For example, a surgical trainer has a simulated human tissue structure made of an elastomeric composition, at least one reinforcing layer of a fibrous material, and at least one flexible electrical circuit. The surgical trainer preferably includes multiple areas for practicing surgical skills, each with evaluation circuits for providing feedback regarding that skill. Conductive elastomers are also incorporated into other types of medical training simulators, to similarly provide feedback. In another embodiment, a simulated organ has a conductive elastomeric circuit in the periphery of the simulated organ, enabling feedback to be provided to evaluate whether a person is properly manipulating the organ in response to a manual applied pressure.

The invention discloses a hepatic tumor comprehensive surgical planning analogy method and a system thereof based on three-dimensional multimode images. The method comprises the steps that firstly, a data base containing the data of an object is constructed; secondly, three-dimensional registration and fusion are conducted on the medical images, having different modes or single mode and different periods, of the object; thirdly, a specific tissue is divided by the automatic and semi-automatic modes, and the three-dimensional modeling of important tissues in and around the liver is realized by the three-dimensional reconstruction technology so as to reconstruct an abdominal three-dimensional model having the immersion and interaction features; fourthly, before-simulation comprehensive risk analysis is conducted based on the modeling result, referred to the practice guidelines and combined with the object information; and finally, all kinds of simulation surgical plans are designed according to the result of the comprehensive risk analysis, surgical simulation with strong sense of reality is conducted, a surgical route is planned, and risk and prognosis analysis is conducted on the planning simulation result. Through repeated surgical simulations, the surgical skills and the mastery of a user can be improved, and medical teaching can be conducted through the method and the system.

Radical hysterectomy, i.e., a surgical method for treating cervical carcinoma, is put forward by Wertheim over 100 years before, becomes a classic of surgical treatment of cervical carcinoma, contributes to increasing the five-year survival rate of a patient suffering from cervical carcinoma by 80-90 percent, but has the defects of great damages, the occurrence rate of 70-85 percent of postoperative urinary bladder dysfunction, and influence on the postoperative life. Laparoscope cervical carcinoma radical-curing nerve-sparing surgery can be used for improving the urinary bladder function after a cervical carcinoma surgery and protecting hypogastric nerves, and is an important surgical link for protecting urinary bladder and rectum functions. Through simulation teaching, doctors are taught with a safe and effective method, students can contact ''patients'' by means of surgical skills before starting a surgery, and damages to nerves in the true surgery are avoided. In the simulation teaching, surgical instruments are needed, but above all model ''patients'' are needed. An anatomic plane and a repeatedly-operated simulation surgery model are taken as the teaching bases of surgeries, so that the students grasp anatomic positions and surgical separation skills. A surgical planar model disclosed by the invention promotes further development of surgery simulation teaching all over the world.

A series of tips for use with an ultrasonic or piezoelectric dental surgical device dental are used in osteotomy, ostectomy and osteoplasty procedures or any procedure requiring removal or shaping of bone or other hard tissues. In some embodiments, fissures are provided in a cutting end of the tip to facilitate osteotomy. The tips are shaped so that they are comfortable for the surgeon to use in a proper position, so that when a handpiece to which the tips are releasably attached is held in the conventional manner, the geometry of the osteotomy will be precise and desirable. When energized, the tips readily cut through bone or facilitate shaping of skeletal structures at the surgical site. Methods for use of the tips and systems in which the tips provided the cutting function are also described.

The invention relates to an intelligent auxiliary method and system for improving the safety of laparoscopic cholecystectomy, and the method comprises the steps: inputting an image collected in real time into an artificial intelligence computer model through a laparoscope for processing, and obtaining the quantitative data of operation elements; inputting the operation elements into the safe operation model for analysis, and outputting a guidance element anatomical structure real-time mark and a CVS real-time score for reducing the iatrogenic biliary tract injury; and a surgeon performs a surgical operation according to the indication of the anatomical structure real-time mark and the CVS real-time score. The system is used in combination with a laparoscope machine used in the current market, intelligent evaluation and feedback of important intraoperative anatomical information and CVS completion conditions are provided, hospitalized doctors and specialist doctors can be helped to establish intraoperative safe operation consciousness in teaching hospitals, and standardized surgical skills are cultivated; in primary hospitals or areas with underdeveloped medical treatment, expert technology output can be achieved, and local doctors are assisted in safely and efficiently completing the operation.

The invention discloses a tactile interaction-based percutaneous nephrolithotomy (PCNL) kidney stone virtual surgical training system and a method for improving the repeated training of urologists soas to make the urologists obtain puncture skills. The system specifically includes a medical image three-dimensional reconstruction module (1), a kidney soft tissue sample puncture experiment module (2), a mechanical modeling module (3), a visual rendering module (4), a tactile rendering module (5), a virtual operation training environment design module (6), a tactile interaction device module (7), an operation training data acquisition and analysis module (8), an augmented reality module (9) and a 3D printing module (10). According to the system of the present invention, a real surgical trocar is adopted to puncture a kidney tissue, so that data can be obtained to be used for establishing a mechanical model; the system enables a strong sense of immersion and high real-time performance onthe basis of a virtual PCNL operation environment constructed through the tactile interaction device, the augmented reality technology and the 3D printing technology. With the system adopted, the training of the urologists can be facilitated, the operative skills of the urologists can be improved, and the urologists can be familiar with the procedures of an operation.

Surgical training apparatus, methods and systems which allow surgical trainees to practice surgical skills on anatomical models in a realistic manner with an augmented reality headset and delivery of targeted surgical coursework curriculum correlated to the actions of the trainee as sensed by sensors in or adjacent the model to help the trainee develop proper surgical technique and decision making.

A sensorized surgical instrument for training users laparoscopic surgical procedures is provided. The instrument includes at least one sensor selected from a group consisting of a strain gauge, accelerometer, magnetometer, and gyroscope. The sensor is attached directly to a handle of the instrument. A shaft assembly having a tool tip is interchangeably connectable to the handle. The sensor is connected to a computer configured to provide feedback useful to the user for improving the user's surgical skills. The feedback includes the time to complete a procedure, economy of motion, smoothness of motion and the force exerted at the tool tip.

The invention provides a simulated training system of a vascular intervention with force feedback and VR display functions. The system comprises a model of main blood vessels under the neck of a humanbody, a guide wire surface recognition unit, a support module, a guide wire track fixing pipe, a force feedback module, a power source module, a control unit, a computer, a stepping motor driver andVR equipment. By using the system, the hand feeling of a doctor in true surgery can be simulated, the immersion of a training process is enhanced by using the VR equipment, various parameters in the surgery can be intuitively displayed, and the surgical proficiency and surgical skill of the doctor can be improved.

The invention discloses a hepatic tumor comprehensive surgical planning analogy method and a system thereof based on three-dimensional multimode images. The method comprises the steps that firstly, a data base containing the data of an object is constructed; secondly, three-dimensional registration and fusion are conducted on the medical images, having different modes or single mode and differentperiods, of the object; thirdly, a specific tissue is divided by the automatic and semi-automatic modes, and the three-dimensional modeling of important tissues in and around the liver is realized bythe three-dimensional reconstruction technology so as to reconstruct an abdominal three-dimensional model having the immersion and interaction features; fourthly, before-simulation comprehensive riskanalysis is conducted based on the modeling result, referred to the practice guidelines and combined with the object information; and finally, all kinds of simulation surgical plans are designed according to the result of the comprehensive risk analysis, surgical simulation with strong sense of reality is conducted, a surgical route is planned, and risk and prognosis analysis is conducted on the planning simulation result. Through repeated surgical simulations, the surgical skills and the mastery of a user can be improved, and medical teaching can be conducted through the method and the system.

The invention discloses a surgical operation skill rating method based on interpretable artificial intelligence, which relates to the field of artificial intelligence, and mainly comprises the following steps: acquiring a rectification video of an operation, and extracting a feature image set under each channel of the rectification video through an expansion three-dimensional convolution network; performing equalization processing on each feature map in a time dimension through a global average pooling layer, and obtaining a time sequence average feature; the classification score of each feature region in the rectified video is solved according to the time sequence mean value feature; and associating the classification score with the corresponding feature region in the rectified video to obtain a category activation map, and obtaining a saliency map with the operation trajectory and the rating of each trajectory segment according to the category activation map. According to the method, the popularity saliency map with the operation track and the corresponding score is obtained, so that a doctor can clearly know defects and deficiencies existing in the operation of the doctor in the operation, and targeted training is performed.

The invention discloses a processing method and system for surgical skill assessment data, and a storage medium. The method comprises the following steps: obtaining task completion time of a tester before and after training in a test process, an infrared light intensity signal obtained by an infrared test device through testing, and position data uploaded by a position sensor; respectively processing the infrared light intensity signals and the position data before and after training; converting the processed infrared light intensity signal into a hemoglobin concentration value of the brain, and converting the processed position data into the manual frequency and the manual path length of a tester; and respectively comparing the task completion time before and after training, the hemoglobin concentration value of the brain, the manual frequency and the manual path length, and generating a skill assessment report according to the comparison result. The workload of training doctors can be reduced, the training cost is reduced, and the accuracy of the training result is improved. The method and system can be widely applied to the technical field of data processing.

The invention belongs to the field of medical equipment, and particularly relates to an eye model for simulating cataract surgery. The eye model includes a bottom plate, a dry experimental eye model,a big-end-up funnel, a first simulated cornea and a bottom cover, the bottom plate is provided with the dry experimental eye model and the funnel, and the dry experimental eye model and the funnel arearranged in a spaced mode; the bottom end of the funnel is connected with the bottom cover in a threaded mode, the top end of the funnel is sealed by the first simulated cornea, and the funnel is internally provided with a pig eye; and the bottom cover is provided with a plurality of through holes. According to the eye model for simulating the cataract surgery, when simulating the cataract surgery, the dry eye model can be used for dry experiments, the funnel can also be used for wet experiments, the actual cataract surgical procedure is well simulated, the good condition for improvement andconnection of surgical skills of doctors is provided, and the success rate of the cataract surgery is indirectly increased.

A surgical training and assessment method based on virtual reality, which includes a database module and an execution module. Modules include training and assessment selection module, operation stage selection module, medical device and drug selection module, disease and treatment plan selection module, training and assessment selection module followed by operation stage selection module, medical device and drug selection module, disease and treatment plan Select the module connection. The present invention can complete surgical training and assessment with the aid of the virtual reality system, verify and simulate the treatment plan with the help of the virtual reality system, observe the evolution mechanism of the disease with the help of the virtual reality system, and provide more environmental protection for the training and assessment of surgical skills and the design simulation of the treatment plan. and safe way. The purpose of the present invention is to solve the technical problems of low efficiency, large waste and high surgical risk in the existing surgical training and assessment methods.

A simulator for abdomen incision training mainly comprises an abdominal wall and cavity assembly, a simulated intestine and a bottom support. The abdominal wall and cavity assembly is made of novel materials, is circular, is mounted on the bottom support by screws and comprises a skin, subcutaneous tissues, muscles, fasciae and abdominal membranes, and the simulated intestine is arranged below the abdominal wall and cavity assembly and is made of silicon materials. The simulator has the advantages that the simulator for the abdomen incision training is structurally layered clearly, and the phenomenon that the intestine can be injured when abdominal wall layers are incised excessively can be demonstrated; the simulator is convenient to use and replace and easy to clean and is stretching-resistant; demonstration and practice for basic surgical skills for incising abdominal walls layer by layer in an operable abdominal surgery, suturing the abdominal walls layer by layer, removing stitches, knotting various layers of tissues, trimming threads and the like can be carried out; a plurality of wounds can be incised on each abdominal wall during practice; and the incision and suture hand feeling is vivid.

The invention provides a rectal cancer operation training model manufacturing method and a rectal cancer operation training model, and relates to the technical field of medical treatment. According to the manufacturing method of the rectal cancer operation training model, the stomach tissue is made into a barrel shape, one end simulates the anus end, the mucosa layer at the other end is connected with the rectum module to simulate the rectum of the human body, the serosal layer is fixed to the peritoneum, the serosal layer and the mucosa layer form the presacral space, and the stomach tissue is of a double-layer membrane structure and is close to the rectum in texture; the preparation method disclosed by the invention is simple and quick, the materials are convenient to take, and the cost is low. The rectal cancer surgery training model provided by the invention is manufactured by taking in-vitro stomach tissue, rectal tissue and peritoneum as raw materials, fully simulates the human rectal environment, can be used for training rectal cancer surgery, ensures feedback of training operation touch and strength, enables doctors to obtain real and convenient skill training, and improves surgical skills; meanwhile, the training environment is simplified, and investment of sites and labor is saved.

The invention relates to the technical field of animal specimen models, in particular to an endoscope thyroid resection training model and a manufacturing method thereof. The manufacturing method of the endoscopic thyroid resection training model comprises the following steps that animal stomach tissue and intestinal canal tissue are used for manufacturing a chest front wall subcutaneous space andthyroid and parathyroid glands, then the animal stomach tissue and the intestinal canal tissue are combined, laryngeal recurrent nerves are set, an operation channel is established, and finally cleaning and storing are conducted to obtain the endoscopic thyroid resection training model. According to the manufacturing method, the animal organ combination with the adjacent organ environment is provided for doctors, the actual situation can be simulated more truly, repeated use can be achieved, the doctors can obtain real skill training, and the surgical skill is improved.

The invention provides a percutaneous nephroscope lithotripsy and lithotripsy training model and a preparation method thereof, and relates to the technical field of medical treatment. The percutaneous nephroscope lithotripsy and lithotomy training model comprises a container, an ultrasonic permeable material, simulated fat and a kidney, the container is filled with the ultrasonic permeable material, the kidney is wrapped by the simulated fat, the simulated fat is fixed in the ultrasonic permeable material, the simulated fat comprises chicken fat, leaf fat or animal fat, and the kidney is fixed in the simulated fat. The perirenal fat texture and perirenal substance filling can be fully simulated; and stones are fixed in the kidney calyx of the kidney. The training model is convenient to take materials, fully simulates touch and force feedback of real operation, and can be used for training of kidney ultrasound image recognition, puncture, expansion, lithotripsy and the like, so that medical staff can obtain real skill training touch, and surgical skills are improved; the training model is simple in training environment requirement, saves investment of sites, labor and the like, and realizes daily operation training.

The invention discloses an end-to-end bulbar urethral anastomosis training model and a preparation method thereof, and relates to the field of surgical training models. The training model comprises apelvic model, a bulbar urethral stenosis model and a urethra-rectum-pelvic floor muscle group model. The pelvic model and the urethra-rectum-pelvic floor muscle group model are fixedly connected through slot ports and connectors. The urethra-rectum-pelvic floor muscle group model comprises a pelvic floor muscle group model, a rectum model and a urethral model. The urethral model is located in themiddle of the pelvic model and comprises a bladder part, a prostate part and a urethra part. The preset stenosis segment of the urethra part is provided with the bulbar urethral stenosis model which is nested into the preset stenosis segment in a nested manner. The rectum model is located at the rear end of the pelvic model. Yellow liquid is filled in the rectum model. The pelvic floor muscle group model is located at the bottom end of the pelvic model. The training model is highly matched with the actual clinical surgery and is favorable for doctors to quickly grasp the practical surgical skills of the urethral stenosis.

The invention relates to an intelligent auxiliary method and system for improving the safety of laparoscopic cholecystectomy, including inputting real-time collected images into an artificial intelligence computer model for processing through a laparoscope, obtaining quantitative data of surgical elements; inputting surgical elements Analyze in the safe operation model, and output the guiding elements for reducing iatrogenic biliary tract injury. Anatomical structure real-time marking and CVS real-time scoring; surgeons perform surgical operations according to the instructions of the anatomical structure real-time marking and CVS real-time scoring. The present invention is used in combination with laparoscopic machines currently on the market to provide important intraoperative anatomical information, intelligent evaluation and feedback of CVS completion, and can help residents and specialists establish awareness of intraoperative safe operation in teaching hospitals and cultivate standardized Surgical skills; In grass-roots hospitals or medically underdeveloped areas, expert technology can also be exported to assist local doctors to complete operations safely and efficiently.

A sensorized surgical instrument for training users laparoscopic surgical procedures is provided. The instrument includes at least one sensor selected from a group consisting of a strain gauge, accelerometer, magnetometer, and gyroscope. The sensor is attached directly to a handle of the instrument. A shaft assembly having a tool tip is interchangeably connectable to the handle. The sensor is connected to a computer configured to provide feedback useful to the user for improving the user's surgical skills. The feedback includes the time to complete a procedure, economy of motion, smoothness of motion and the force exerted at the tool tip.

The invention provides a real-time evaluation system for a fractional curettage simulation operation. According to the position and strength information of a curettage spoon tip end of an operator inthe fractional curettage simulation surgery operation, quantitative scores are given in real time from seven aspects of a curettage step, cervix uteri pressure, cervix uteri strength coverage degree,cervix uteri strength overlapping degree, uterine cavity pressure, uterine cavity strength coverage degree and uterine cavity strength overlapping degree and are displayed in real time. A doctor can objectively understand the operation level of fractional curettage of an operator, and effective feedback information is provided for improving surgical skills of the operator.

The present invention provides a real-time evaluation system for segmental curettage simulation surgery. According to the position and force information of the tip of the curettage spoon during the segmental curettage simulation operation, the real-time diagnosis and curettage steps, cervical pressure, and cervical force can be evaluated in real time. Seven aspects of coverage, cervical force overlap, uterine cavity pressure, uterine cavity force coverage, and uterine cavity force overlap are given quantitative scores and displayed in real time, so that doctors can objectively understand the operation level of the operator's segmental curettage, and provide guidance for the operation. Provide effective feedback information to improve surgical skills.

An otologic surgical skills training method and system include a housing that receives a removably attachable simulated ear canal working port for practicing transcanal surgery skills, and a second larger working port for practicing otologic surgery skills with lower spatial constraints. The training system may be 3D printed. Dimensions of the system provide an appropriate working distance for otologic surgery simulation. Surgical instruments such as endoscopic and microscopic instruments are received via the working port to reach an otologic surgery skill exercise module. The exercise module may be attached to a platform fixed in the housing or is configured within a self-contained working port. Exercises include placing rings on pegs, stacking nuts, placing beads onto a wire, and navigating a maze with a bead, and allow for practicing with minimal depth perception, placing prostheses at a variety of angles, prostheses soft release, and instrument feel and control.

The invention discloses a medical teaching instrument, and particularly relates to a surgical operation training model, which comprises a cover plate, a bottom plate, a simulation training area and magnetic parts, the cover plate and the bottom plate are frames with hollow middle parts, the hollow position is the simulation training area, and the cover plate and the bottom plate are symmetrically provided with a plurality of magnetic parts for attracting the cover plate and the bottom plate. The surgical operation training model is simple in structure, small in number of parts, convenient to carry and low in maintenance cost, and can be used in cooperation with existing medical teaching instruments. The surgical operation training model is high in flexibility, can serve as a single surgical operation training model to operate basic laparotomy, suture and knotting surgical operation skills, can also be combined into a cube to simulate surgical operation skill training in a human body, is closer to a real operation in training, improves the learning initiative of students, and helps medical staff receiving training to master surgical skills more quickly.

The invention discloses a laparoscopic surgery and training system based on 5G network technology application. The system comprises: holographic projection devices, which are respectively arranged at a training foreground and an expert background; and at least one patient, who lies on a corresponding operating table. When laparoscope equipment is used for an operation, collected data are transmitted to a data management module in real time through a 5G network and processed to form a virtual three-dimensional image in an empty space for observation and control by surgeons and for evaluation, monitoring and training by background experts; related feedback information is integrated and displayed on a virtual three-dimensional image of the foreground, realizes interaction in real time; finally, an operation training result is displayed on a training scoring system in real time for improvement according to specific requirements of laparoscopic surgery standard teaching materials accepted by the country; and by adopting the above scheme, by means of professional guidance of the background experts and according to the relevant laparoscopic surgery standard teaching materials, the purposes of standard training of multiple surgeons and rapid improvement of surgical skills can be achieved at the same time.

The invention provides a transabdominal preperitoneal hernia repair operation training model and a manufacturing method and a preservation method thereof, and relates to the field of medical technology. The preparation method of the training model for transabdominal preperitoneal hernia repair provided by the present invention takes gastric tissue as the main raw material, fully simulates the texture of the lesion tissue, as well as the structure of the actual lesion and the direction of blood vessels. Low. The training model for transabdominal preperitoneal hernia repair operation provided by the present invention is made from the main raw material of gastric tissue, and fully simulates the texture of the lesion tissue, as well as the tactile sensation and force feedback of real surgical operations, and provides a reliable training model for medical staff , improve surgical skills, and the training environment of the training model is simple, saves investment in space, cost, labor, etc., and realizes routine surgical training.