78 results about "Surgery training" patented technology

A method is disclosed for analyzing surgical techniques using a computer system for gathering and analyzing surgical data acquired during a surgical procedure on a body portion and comparing that data to pre-selected target values for the particular surgical procedure. The inventive method allows the surgeon, for example, to measure the technical success of a surgical procedure in terms of quantifiable geometric, spatial, kinematic or kinetic parameters. The method comprises calculation of these parameters from data collected during a surgical procedure and then comparing these results with values of the same parameters derived from target values defined by the surgeon, surgical convention, or computer simulation of the same procedure prior to the operation itself.

A videoendoscopic surgery training system includes a housing defining a practice volume in which a simulated anatomical structure is disposed. Openings in the housing enable surgical instruments inserted into the practice volume to access the anatomical structure. A digital video camera is disposed within the housing to image the anatomical structure on a display. The position of the digital video camera can be fixed within the housing, or the digital video camera can be positionable within the housing to capture images of different portions of the practice volume. In one embodiment the digital video camera is coupled to a boom, a proximal end of which extends outside the housing to enable positioning the digital video camera. The housing preferably includes a light source configured to illuminate the anatomical structure. One or more reflectors can be used to direct an image of the anatomical structure to the digital video camera.

A system for evaluating training 1 comprises a pulsating flow generating unit 11 for imparting a pulsating flow to a designated fluid, a coronary artery flow generating unit 12 that branches off from that pulsating flow generating unit 11 and by which a flow condition of that pulsating flow can be converted to generate a coronary artery flow, and a surgery training unit 13 provided between the pulsating flow generating unit 11 and the coronary artery flow generating unit 12 and that operates to enable coronary artery bypass surgery training under pulsation. This system for evaluating training 1 has a circuit configured to enable the coronary artery flow fluid generated by the coronary artery flow generating unit 12 to pass through a simulated blood vessel that has been subjected to a designated treatment in training using the surgery training unit 13.

The invention relates to a virtual reality platform based lateral ventricle puncture training system. The system comprises a CT (computed tomography) scanning/MRI (magnetic resonance imaging) image data importing unit, a CT scanning/MRI image reconstruction unit, a virtual reality head-mounted display device, a joystick and a virtual reality processing unit. The CT scanning/MRI image data importing unit is used for providing CT scanning information of patients and patient information; the CT scanning/MRI image reconstruction unit is used for constructing a three-dimensional model, the virtualreality head-mounted display device provides virtual display environment display, and the joystick provides virtual reality environment operating information. The virtual reality processing unit comprises a VR (virtual reality) environment unit, a VR voice recognition unit and a VR surgical unit, wherein the VR environment unit is used for providing a virtual environment matched with a reality surgical environment, the VR voice recognition unit is used for operator voice recognition, and the VR surgical unit is used for executing surgical operations. The virtual reality platform based lateralventricle puncture training system has advantages that the problem of resource shortage in experiment teaching is solved, reality in doctor training is enhanced, training cost is reduced, experience summarization is facilitated for doctors, and patient-doctor disputes can be avoided.

The present invention provides an eye surgery training simulator that can reduce learning cost and simulate the eyes in a more real way to allow surgery performers in practice to increase the success rate of surgery. The surgery training simulator compromise: a base with the accommodating tank, a hollow sphere inside said accommodating tank with a punched hole at the center of its top to simulate the eyeball rotation; a thin film covering the punched hole of said hollow sphere to simulate anterior capsule; a positioning sheet attached to the top surface of the hollow sphere with a hole corresponding to the punched hole; a positioning plug-in at the side of said punched hole that can limit the displacement of the capsulorhexis forceps; and at least an elastic component that can simulate eyeball muscle by pulling the hollow sphere and restore it after the rotation of the hollow sphere.

The present invention discloses an orthodontic surgery training system, which relates to the field of virtual reality technology and comprises a model creating module, an operation button module, a surgical tool display module, a model moving module, a collision sensing module, a surgical effect display module and a prompt display module, Inventing 3D Virtual Operating Room and Patient Models, 3D Virtual Surgical Tool Models, and 3D Virtual Dental Models Using the Model Creation Module in 3D Studio Max and Unity3d Platforms Using the Action Button Module, Surgical Tool Display Module, Model Mobility Module, Collision Sensing Module , The operation effect display module and the prompt display module realize the virtual surgery training according to the orthodontic training program. With each operation of the user, the three-dimensional virtual surgical tool model and the three-dimensional virtual dental model may move or change correspondingly. The invention also discloses a dental orthodontic training method.

The invention provides a thread lift plastic surgery simulation system and relates to the technical field of a virtual surgery system, aiming at enabling a user to really perceive biomechanical properties of facial soft tissues of human bodies and get familiar with steps of a thread lift plastic surgery so as to improve surgery training effect and a surgery success rate. The thread lift plastic surgery simulation system comprises a human body facial geometrical modeling model, a human body facial tissue physical modeling model, a collision detection module, a visualization module, a force feedback module and an auxiliary module. According to the scheme provided by the invention, geometrical modeling, physical modeling, collision detection, force feedback calculation, visualization and the like of virtual human body facial tissues through independent programming based on a Visual Studio development platform. With the adoption of the thread lift plastic surgery simulation system, the complexity degree and the occupied internal memory of the surgery system can be reduced.

The invention discloses an individual aneurysm model obtained through 3D printing technology and a manufacturing method thereof. The manufacturing method comprises the steps of firstly, performing high-precision layered scanning on an artery of an aneurysm patient by means of imaging equipment, thereby aneurysm image data; then performing sorting by means of inverse reconstruction software for obtaining the artery, and performing three-dimensional reconstruction; performing expansion amplification on the reconstructed artery by means of computer-aided 3D design software, then subtracting original blood vessels through Boolean operation, obtaining an empty aneurysm model and outputting a 3D printing identifiable file; and finally printing the aneurysm model by means of different materials through a 3D printer, wherein the size ratio between the aneurysm model and the aneurysm of the patient is 1:1. The aneurysm model obtained through the method can settle a defect of disease model shortage in China and can be applied in the fields of disease teaching, open heart surgery or interventional surgery training, surgery planning, etc. The aneurysm model and the manufacturing method have advantages of user-friendly customization, high accuracy, effective realizing of visuality and touchness, simple process, high forming speed and low cost.

The invention provides an eye surgery training simulator. The eye surgery training simulator is advantageous in that the learning costs can be reduced, the simulation is closer to the real state of the eyes, the practice of the performer can be facilitated, and the surgery success rate can be increased. The surgery training simulator comprises a seat body provided with an accommodation groove body; a hollow ball body, which is disposed in the accommodation groove body, is provided with a penetrating hole in the central part of the top end, and is capable of simulating rotation of an eyeball; a thin film sheet body, which is disposed on the penetrating hole in the hollow ball body in a covered manner, and is capable of simulating a front anterior capsule; a positioning sheet body, which is attached to the top surface of the hollow ball body, is disposed on the thin film sheet body in a covered manner at the same time, is provided with a hole corresponding to the penetrating hole, and can be attached repeatedly; a positioning inserting member, which is disposed next to the penetrating hole, and is capable of limiting displacement of capsule tearing tweezers; and at least one elastic assembly, which is used to simulate the eyeball muscle, is used for the traction of the hollow ball body, and is used to reset the hollow ball body after the rotation.

Provided is an immersion-type self-adaptive pose virtual surgery training platform, comprising four parts of an upper display component, a middle console component, a lower support component and a side support component, and the like. The upper display component, which is designed according to ergonomics, fits a human facial structure and is adapted to human brains with different sizes by adjusting the size of the observation center space via a button, so that the human brains fit well with the platform and the sense of immersion in enhanced. The pose can be adjusted in the self-adaptive way, so that the surgery operation training can be conducted with the appropriate pose, thereby improving the degree of comfort and reducing the fatigue. The whole surgery training process is observed via an external 3D display of the upper display component, so as to evaluate the training effect. The platform of the invention may be used for simulating the operation process of various surgeries, such as brain surgeries, liver surgeries, kidney surgeries, breast surgeries and the like, enables intern doctors or medical college students to conduct the surgery training in the repeated, damage-free and convenient manner, and solves the problems of long training period, low efficiency, high cost, lack of training objects which may occur during traditional surgeon training.

The invention provides a minimally invasive surgery training and evaluation method, and a teacher computer and student computers are applied to perform open type minimally invasive surgery skill training and evaluation. The teacher computer and the student computers are provided with displays and operating boards; each operating board is partitioned into a box inside part and a box outside part; a test body is placed into box inside part; a minimally invasive surgery apparatus is arranged at the box outside part; and the minimally invasive surgery apparatus is inserted into the box for acting on the test body to simulate the process of minimally invasive endoscope surgery. The minimally invasive surgery training and evaluation method has the beneficial effects that the requirements from resident doctors to specialists on teaching, training and evaluation on different structures in different levels at the same stage can be fully met; a simulated training center is related to every subject, so that students can learn and grasp clinical knowledge more systematically; atraumatic training can be performed repeatedly by using a simulation center; and the advantage of situational teaching can be realized by using the simulated clinical environment of the simulation center.

The invention provides a neurosurgery virtual surgery training system. The neurosurgery virtual surgery training system is mainly composed of a data management module, a preprocessing module, a segmentation module, a three-dimensional reconstruction module and a surgery simulation module. Compared with a traditional system, the three-dimensional reconstruction part is additionally adopted, and an MC algorithm is adopted, and therefore, the whole system can be of higher authenticity. The neurosurgery virtual surgery training system of the invention can help medical staff to master related skills of neurosurgery surgeries more easily.

Innovative instrument holders used for minimally invasive surgical simulation and training are disclosed when used in conjunction with a smartphone, tablet or mini-tablet computer enabling visualization of the surgical field. The surgical field used with these instrument holders can include animal models, physical models, and both virtual and augmented reality models. Some embodiments can be used with applications that can be downloaded to the smartphone, tablet or mini-tablet computer in order to enhance specific hand-eye coordination tasks. Some embodiments can be used as an adjunct surgical trainer for endoscopy, colonoscopy, and other minimally invasive gastrointestinal and gynecological surgical procedures using surgical instruments that incorporate fiber optics.

The invention discloses a medical minimally-invasive operation training system based on mixed reality. The system comprises a master end unit, a video image acquisition and transmission unit, a video image reception and display unit and a driven end unit. When the master end unit carries out virtual operation, the driven end unit can realize operation which is synchronous and exactly same with the operation of the master end unit, and manipulation information of operation instruments when the master end unit carries out operation can be sensed through a handle of the driven end. Through the video image acquisition and transmission unit, operation process of personnel at the master end can be collected and transmitted to a displayer of the driven end, and trainees at the driven end can sense the manipulation information of the operation instruments at the master end, and meanwhile, can observe overall operation process of an operator at the master end. The beneficial effects of the training system are that through the mixed-reality operation course, medical minimally-invasive surgery training, which is high in sense of reality, is realized, and the system provides a good training platform for hospitals and medical colleges.

An auxiliary training device for a laparoscopic surgery relates to the technical field of surgery training device. The device comprises a training platform, a surgery exercise apparatus, a tissue model, and a simulating bracket which is used for fixing the surgery exercise apparatus for simulating a laparoscopic surgery operation environment. The simulating bracket comprises the components of a fixed assembly which is used for fixation at the edge of the training platform; a training base which is arranged at one side that is far from the training platform on the fixed assembly and can generate relative movement with the fixed assembly and is used for fixing the surgery exercise apparatus; a supporting rod which is arranged between the fixed assembly and the training base and has one end that is fixed assembled with the fixed assembly; and a connecting assembly which has one part that is fixedly assembled with the side that is far from the fixed assembly on the supporting rod and the other part that is fixedly assembled with the side that is next to the supporting rod on the training base and is used for realizing universal rotation of the training base relative to the supporting rod. The auxiliary training device for the laparoscopic surgery has advantages of high convenience in carrying, high flexibility in application, wide application range, high simulating effect and higheconomic performance.

The invention discloses a surgical forceps interface device for virtual surgery training to achieve human-computer interaction. The surgical forceps interface device comprises a mounting base (1) and a surgical forceps device (6) arranged on the mounting base (1). The surgical forceps interface device is characterized in that the mounting base (1) is further provided with a plurality of active/passive hybrid drives and a link mechanism, and the surgical forceps device (6) is connected with the mounting base (1) through the active/passive hybrid drives and the link mechanism. The surgical forceps interface device provides a good solution scheme that active drives are used for compensating non-beneficial comprehensive damping force of passive force touch sense interaction equipment, and effectively solves the problem that the passive force touch sense interaction equipment can not simulate energy storage elements.

The invention discloses a cataract ultrasonic emulsification virtual surgery training system which comprises a hardware system and a software system. The hardware system comprises an ophthalmologic operation simulation microscopic eyepiece, an operation platform with a simulation eyeball, an ophthalmologic operation handle, a force feedback device, a pedal eyepiece magnification and focusing controller, an ultrasonic emulsification device controller, an eyepiece support, a computer and a display. According to different biomechanical characteristics of multiple levels of eyeball soft tissues, the operation process is realistically reproduced, the force feedback device is added to enable students to feel vivid touch feeling in operation training, the operation handle similar to the holding hand feeling of an actual operation instrument is carried on the force feedback device, the vivid hand feeling is provided for the students in operation, and the operation experience of the students is improved. A Unity3D software platform is used for constructing an operation scene and biological tissue, and the problem that part of operation simulators are single in subject is solved.

The invention discloses a sight glass visual angle tracking method based on an image transformation matrix, and belongs to the field of computer graphics in the information technical field. Sight glass visual angles of a scalpel can be displayed in a virtual surgery training system. An algorithm based on the image transformation matrix is provided. A visual angle which can move along with a knife in the virtual surgery training system can be constructed by changing space coordinate positions of several fixed points, and therefore the effects of the sight glass visual angles can be achieved. According to the sight glass visual angle tracking method based on the image transformation matrix, absolute variables are adopted, accumulative errors of data collected in a knife moving process are reduced, steady state errors are eliminated through calibration in initialization, meanwhile, the visual angle can be in linkage with multiple machines, relative operations in a true surgery are completely restored, calculation quantity is small, and disturbance resisting capacity is good.

The invention discloses a scalpel interface device for virtual surgery training to achieve human-computer interaction. The scalpel interface device comprises a mounting base (1) and a scalpel device (14) arranged on the mounting base (1). The mounting base (1) is further provided with a plurality of active/passive hybrid drives and a link mechanism. The scalpel device (14) is connected with the mounting base (1) through the active/passive hybrid drives and the link mechanism. The scalpel interface device for virtual surgery training to achieve human-computer interaction is high in fidelity, and capable of simulating the phenomena of cutting and needling body tissue and other phenomena in the surgery process; the scalpel interface device provides a good solution scheme that active drives are used for compensating non-beneficial comprehensive damping force of passive force sense interaction equipment, and effectively solves the problem that the passive force sense interaction equipment can not simulate energy storage elements.

The invention discloses a virtual orthognathic surgery training system, which mainly comprises a cutting system, a control system, a signal acquisition system and the like, wherein the jaw bone cutting system is used for jaw bone cutting operation in the case of orthognathic surgery; the control system carries out analysis and processing on cutting force data, and cutting force touch feedback is realized; and the signal acquisition system is used for acquiring cutting force data of the cutting device. Through simulating high-realistic feeling surgery cutting hand feeling, tissue cutting sound, three-dimensional stereoscopic vision and by using a 3D courseware for drilling, a research idea for the virtual orthognathic surgery training system is built, the time and the cost for surgery training are reduced, the training time for an orthognathic surgery doctor is shortened, the number of living animals or dead bodies for the training is also reduced, and considerable economic benefits are realized.

The invention relates to a method for preparing a human body part model, in particular to a method for preparing a bionic hollow human body part model through 3D printing. The defects that a traditional casting and injection molding technology is long in model preparation time, high in cost and small in individual difference, and a medical model obtained through 3D printing cannot be applied to training such as surgical suture and repeated tearing are overcome. The method comprises the steps of data acquisition, data processing, model building, shell mold, hollow inner mold and assembly part mold preparation, mold treatment, mold assembly and retention, silica gel infusion, mold drawing and the like. The bionic hollow human body part model prepared through the method is real and is close to the real surface hardness of a target human body part, the surface is smooth and not sticky, the thickness and distribution of the model are consistent with those of the human body part, the tissuestructure is observed obviously, and repeated tearing is resisted. The method is suitable for surgical simulation, suture surgery training, clinical teaching and the like.

The invention relates to a medical teaching instrument, in particular to a surgical training box and a training method thereof. The surgical training box comprises a box body and a box cover. Partition plates capable of dividing the box body into at least three boxes for containing surgical instruments for surgery are further arranged in the box body. A training simulation platform for the surgeryis further mounted on the bottom face of the box cover, a baffle capable of sealing the box body is further mounted on one side of the training simulation platform, and the training simulation platform comprises an incision training simulation region, a suture training simulation region and a knotting training simulation region which are sequentially arranged on the bottom face of the box cover.The surgical training method includes the following working steps of 1, training of surgical scissors; 2, training of surgical tweezers; 3, comprehensive training of the surgical scissors and the surgical tweezers; 4, incision surgery training; 5, suture surgery training; 6, knotting surgery training. The surgical training box and the training method thereof have the advantages of being simple instructure, comprehensive in function, good in use effect, high in adaptability and the like.