195 results about "Endoscopic surgery" patented technology

The invention discloses an operation index determination method and device for an endoscopic surgery, equipment and a storage medium, and can be applied to the technical field of surgical operation data processing. The method comprises the following steps: firstly, acquiring a surgical operation data set of a target operation object for an endoscopic surgery; the surgical operation data set comprises a plurality of pieces of surgical operation data sorted according to a time sequence. Each piece of surgical operation data comprises five-dimensional data, namely endoscope action data, endoscope type data, instrument action data, instrument type data and surgical object data. And constructing a hidden Markov model by using the surgical operation data set. In the hidden Markov model, the surgical operation described by the surgical operation data is the observed quantity, and the surgical state is the state quantity, and based on the hidden Markov model, the statistical principle is utilized to carry out quantitative evaluation on the surgical operation indexes, so that the accurate evaluation of the surgical operation when a doctor carries out the endoscopic surgery is realized, and the reference effectiveness of the operation indexes is improved.

The invention relates to the technical field of medical image processing, in particular to an endoscopic surgery video real-time structure analysis method and system, and the method comprises the steps: carrying out the frame-by-frame semantic segmentation of real-time video data, and generating a segmentation mask of each frame of image; calculating a comprehensive quality score of the target frame based on the segmentation masks of the target frame and the previous frame of the target frame; analyzing a motion amount index between adjacent frames; generating the current length of a sliding time sequence window according to the comprehensive quality score and the exercise amount index, and fusing multiple frames of segmentation masks in the sliding time sequence window to generate a reference mask; extracting a key point from the reference mask, and obtaining a displacement vector of the key point from a previous frame of the target frame to the target frame; generating a pixel-level displacement field according to the displacement vector, deforming the segmentation mask of the previous frame of the target frame to the target frame, and generating a prediction mask of the target frame; and performing superposition display on the prediction mask and the image of the target frame. According to the scheme, the time sequence consistency and stability of the video semantic segmentation result can be enhanced.

The invention discloses a medical operation AR practical training system based on mixed reality and reinforcement learning and a training method thereof, and relates to the technical field of medical education and medical operation training. The system comprises an MR terminal presentation and interaction module, a case and scene management module, a multi-mode operation data acquisition and evaluation module, a reinforcement learning training strategy engine module, a practical training process control module, a training examination management module and the like, a vivid medical scene is constructed in an MR environment, and data such as operation tracks, force and step time sequences of students are acquired in real time; the evaluation result is coded into a state to be input into the reinforcement learning model, the case difficulty, the prompting mode and the training rhythm are adjusted in a self-adaptive mode, individualized, procedural and quantifiable skill training and assessment are achieved, and the method is suitable for various operations such as cardio-pulmonary resuscitation, endoscopic surgery and puncture catheterization.

The invention provides a breast endoscopic surgery simulation training system. The breast endoscopic surgery simulation training system comprises a hardware end and a software end, the hardware end comprises a simulation human body model, and the software end is provided with a 3D mesh model corresponding to the simulation human body model; the simulation surgical instrument comprises a simulation electrotome, a simulation endoscope, simulation grasping forceps and a simulation incision protection sleeve, and the software end is provided with an electrotome model, an endoscope model, a grasping forceps model and an incision protection sleeve model which correspond to one another; the pose detection device is used for detecting the current pose of the simulation surgical instrument in real time and sending the current pose to the software end, so that interaction between the simulation surgical instrument and the simulation human body model is mapped to interaction between the instrument model and the 3D mesh model; the software end further comprises a display screen, and the display screen is used for displaying interaction between the instrument model and the 3D mesh model in real time. According to the scheme, breast endoscopic surgery training, teaching and research which are closer to a real surgery scene can be provided, so that the safety and the operation precision in an actual breast endoscopic surgery are improved.

The present invention is an apparatus, device or tool for performing endoscopic (that is, minimally invasive) surgery. An exemplary embodiment of the invention includes a video endoscope whilst in another embodiment of the invention includes an endoscopic surgical tool which, when equipped with one of a suite of endoscopic surgical instruments, can be used by a surgeon to perform surgical procedures inside a body. Another embodiment of the present invention includes a suite of endoscopic surgical instruments designed to work co-operatively with the endoscopic surgical tool. In another embodiment of the present invention, a video-assisted endoscopic surgical tool system is provided. In one embodiment, the system includes the video-assisted endoscopic surgical tool and a suite of at least one endoscopic surgical instrument.

The invention provides an endoscopic surgery video multi-target segmentation method based on a basic segmentation large model and mixed expert fine tuning. The method comprises the following steps: preprocessing a data set, establishing an SAM2 baseline segmentation network, constructing a hierarchical hybrid expert module, constructing a stage gating network, establishing an endoscopic surgery video segmentation network, training the endoscopic surgery video segmentation network, and automatically segmenting an endoscopic surgery video by the segmentation network. According to the invention, accurate segmentation of different operation scenes can be realized. The hierarchical hybrid expert module and the stage gating network are introduced, and the problems of scene difference and multi-organization segmentation commonly existing in endoscopic surgery video segmentation tasks can be well solved.

The invention provides an extrascopic rotary bone grinding device for spine endoscopic surgery, and belongs to the technical field of machinery. The extra-scope rotary bone grinding device for the spine endoscopic surgery comprises a handheld part and a driving assembly fixedly connected to the outer end face of the handheld part in a locked mode, and is characterized in that the driving end of the driving assembly is in shaft connection with a shaft rod, a grinding head is integrally manufactured at the outer end of the shaft rod, a plurality of grinding teeth are arranged on the peripheral face of the grinding head in a staggered mode, and a toothed trephine is arranged at the outer end of the grinding head; the outer wall of the shaft rod is sleeved with a protective outer sleeve, a liquid injection component is arranged on the inner layer of the protective outer sleeve, a scrap capturing component is integrally manufactured between the inner wall of the protective outer sleeve and the outer wall of the shaft rod, the inner ring wall of the scrap capturing component is in interference fit with the outer wall of the shaft rod, and one end of the interior of the scrap capturing component is in clearance fit with the outer wall of the grinding head. And in cooperation with the protective outer sleeve, the liquid injection component and the debris capturing component, the accuracy, safety and convenience of bone tunnel expansion operation in the spine endoscopic surgery can be effectively improved.

The right-angle separating forceps for the subclavian approach endoscopic surgery comprise a right-angle separating forceps head, a forceps rod, an inner rod, a rotating wheel, an operating handle and a fixing handle, the right-angle separating forceps head is installed at the front end of the forceps rod, and the inner rod is hinged to the rear end of the right-angle separating forceps head; the inner wall of the forceps rod is provided with an inner rod fixing groove, the outer side of the forceps rod is provided with a forceps rod rotating groove, and the rear end of the forceps rod is provided with a dismounting groove; fixing blocks are arranged on two sides of the middle part and are connected with the forceps rod, and a ball head is arranged at the rear end and is connected with the operating handle; a forceps rod clamping block is arranged in the rotating wheel and in an inner rod channel, and a channel opening is provided with a forceps rod clamping block clamped into the forceps rod rotating groove. The forceps are easy to disassemble, the forceps rod and the inner rod are detachable, and instruments can be thoroughly cleaned and disinfected conveniently; the clamp rod is matched with the rotating wheel, so that the clamping and separating range can be expanded; the flushing joint is vertically downward, so that the view at the upper end of the right-angle separation tong head is prevented from being blocked and the operation of a doctor is prevented; the tong head is a right-angle separating tong, so that fine operation in a narrow space is facilitated.

The utility model discloses a placing device for high-frequency endoscopic surgery electrode storage, which comprises an endoscope electrode, the surface of the endoscope electrode is sleeved with an outer frame, the front side of the outer frame is open, the inside of the outer frame is movably connected with a shaft rod through a bearing, and the shaft rod is movably connected with a bearing. The top and the bottom of the surface of the shaft rod are fixedly connected with bearing discs, the endoscope electrodes are evenly inserted in the surfaces of the bearing discs in a surrounding mode, and the endoscope electrodes at different positions can be located at the open position of the outer frame in the process that the shaft rod carries the bearing discs to rotate. The endoscope electrodes are sleeved with the outer frame, the open front face is arranged to facilitate storing and taking, the shaft rod and the bearing disc are combined so that the multiple endoscope electrodes can be evenly connected in a surrounding and inserted mode, the electrodes at different positions can be located at the open position through rotation of the shaft rod, and a user can conveniently select and use the electrodes. And the storage efficiency and the use convenience of the electrode are improved.

The invention discloses a tracheal catheter special for upper gastrointestinal endoscopic surgery, which comprises an inner tube, an outer tube capable of sliding up and down with the inner tube is sleeved outside the inner tube, the top end of the outer tube is fixedly connected with the inner tube through a fixing knob, a respirator joint is arranged at the top end of the inner tube, an inner tube water bag is arranged at the bottom of the inner tube, and an outer tube water bag is arranged at the bottom of the inner tube. An inner tube suction hole is formed in one side of the inner tube water bag, and a Murphy hole is formed in the position, located below the inner tube water bag, of the bottom of the inner tube. The problems that in an upper gastrointestinal endoscopic surgery in the prior art, the exposed part of the tracheal catheter affects surgical operation, the cuff of the tracheal catheter compresses a surgical site or affects taking out of a specimen, the tracheal catheter rubs with an endoscope and is prone to disengagement to damage tracheal mucosa, and blood and secretions in the trachea are not sucked thoroughly are solved.

The utility model provides a kind of pulling device for endoscopic surgery, it includes connecting piece, and multiple pulling rings fixed on the connecting piece, multiple the pulling ring is sequentially spaced along the length direction of the connecting piece, and the intersection of adjacent two the pulling ring and the included angle is 72 °-120 °;The material of the connecting piece is inelastic material, and the material of the pulling ring is elastic material.The pulling ring of the present application is suitable for endoscopic dissection surgery, cooperates tissue clamp, according to different needs, pulls open mucosa, improves surgical field of view, and the number of tissue clamp can be reduced, the operation time is reduced, and the operation cost is saved.

The invention relates to the technical field of motion terrorism risk assessment, in particular to a spine endoscopic postoperative motion terrorism assessment method and system based on a 5E rehabilitation mode. According to the degree of adaptation of a patient to all rehabilitation trainings of the same type in each treatment stage and the change synchronization degree of rehabilitation state values, and the difference of entry scores of the same entry of an analysis questionnaire corresponding to the rehabilitation trainings and an adjacent next questionnaire, the rehabilitation training is analyzed; the association degree between each rehabilitation training of each treatment stage and each item of the questionnaire is obtained; adjusting the entry score of each entry of each questionnaire by using the correlation degree, and obtaining an optimized TSK total score of the corresponding questionnaire; and based on the optimized TSK total score of the questionnaire in all treatment stages, evaluating the motion terrorism symptom of the patient. According to the method, the entry score of the questionnaire is adjusted through the association degree between each rehabilitation training and the entry of the questionnaire, so that the influence degree of drug interference factors, physiological stress response and the like is reduced, and the accuracy of acterrorism symptom rating is effectively improved.

This system provides a method for controlling target irradiation to identify targets during endoscopic procedures. [Solution] The endoscope system comprises a light source that generates illumination light, a diagnostic energy source configured to generate a diagnostic beam, an imaging sensor, an endoscope, and a controller circuit, wherein the controller circuit is configured to receive from the imaging sensor an image of a target illuminated by the light source operating in a first illumination mode, determine the brightness or intensity of the received image of the target, send a trigger to the diagnostic energy source to emit the diagnostic beam through the optical fiber to the target when the determined brightness or intensity of the received image satisfies certain conditions, receive reflected light from the target generated by the diagnostic beam, and identify the composition of the target, at least in part, based on the analysis of the reflected light.

1. The name of the design product: Laying cloth (multi-functional endoscope surgery customization). 2. The use of the design product: used for laying sterile barrier during endoscopic surgery, while assisting instrument fixation and storage. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of surgical navigation, in particular to a children urinary system endoscopic surgery visual auxiliary operation system which comprises a respiratory displacement field generation module, a tissue stiffness inversion module, a visual scale correction module, a tangential gradient calculation module and an anisotropic registration correction module. According to the method, a respiration displacement field is analyzed to invert tissue hardness parameters, a preoperative physical model with biomechanical characteristics is constructed, non-rigid deformation behaviors of kidneys and ureters of children in a stress state are simulated, the physical depth of pixels is calculated in combination with endoscopic image characteristics, sparse feature point cloud is converted into real-scale spatial data, and the spatial depth of the kidneys and ureters of the children is calculated. And according to the tangential gradient change of the path, constructing an anisotropic weight matrix to dynamically adjust the registration constraint intensity, and driving the virtual model to follow the movement track of the endoscope to carry out adaptive deformation correction, so that real-time three-dimensional visual guidance for soft tissue respiratory movement and contact deformation is realized.

1. The name of the design product: endoscope adapter. 2. The use of the design product: used in endoscopic surgery, matched with endoscope, connected endoscope main machine with patient body cavity. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

This invention relates to the field of medical device technology, specifically to a tissue protection shielding device for laparoscopic surgery. The device includes a shielding assembly and a pull cord. The shielding assembly comprises several shielding plates; each shielding plate has a perforation, and an elastic element connects adjacent shielding plates. The elastic element provides elastic force to allow the shielding assembly to roll into a cylindrical shape when no external force is applied, at which point the shielding assembly is in its initial state. The pull cord has a limiting element. When the shielding assembly is in its initial state, pulling the pull cord reduces the length of the cord that is threaded through the shielding assembly, causing adjacent shielding plates to rotate relative to each other. This allows the shielding assembly to bend in the opposite direction into an arc shape, and the elastic element is compressed by the corresponding two shielding plates, resulting in a protruding structure protruding from the inner surface of the shielding assembly. This tissue protection shielding device for laparoscopic surgery can improve the protection of the liver, preventing injury or cuts to the liver.

An air-water valve assembly is provided for regulating the flow of both water and air through an endoscope. The valve assembly includes a tripartite stem having a plurality of seals disposed thereon and a hub configured to releasably couple the valve assembly to an endoscope for an endoscopic procedure. The stem includes a lower stem member, an upper stem member, and a cap that may be coupled together in a variety of configurations. Each of the lower stem member, upper stem member, and the cap may include a channel or bore extending therethrough to permit fluid communication between a distal opening of the lower member and an aperture of the cap once the stem is assembled.

The invention discloses a rigid spine endoscopic surgery robot module capable of rapidly switching instruments and a switching method.The rigid spine endoscopic surgery robot module comprises a base, a rigid instrument assembly, an overall rotating mechanism and an instrument feeding mechanism are arranged on the base, the rigid instrument assembly comprises an instrument base, and a guide rail sliding block assembly is fixed to the outer portion of the instrument base; the sliding block is connected with a rigid surgical instrument through an instrument connecting piece; the instrument feeding mechanism comprises a lead screw feeding device; an elastic connecting mechanism is installed on a nut of the lead screw and comprises a nut fixing piece, a spring, a floating connecting piece and a stand column. The nut fixing piece is fixedly connected with the nut and connected with the floating connecting piece through the stand column and can move up and down relatively, and the axis of the spring is parallel to the stand column. A groove is formed in the top surface of the floating connecting piece; when the groove is in matched contact with the instrument connecting piece, the instrument connecting piece is driven to move forwards; the overall rotating mechanism is arranged at one end of the instrument base and drives the instrument base.

The invention relates to the technical field of construction of a spinal internal three-dimensional model, in particular to a spinal endoscopic surgery path planning method based on ultrasonic guidance. The method comprises the following steps: synchronously acquiring ultrasonic images containing an endoscope probe at various angles in real time; according to the positions and shapes of the human tissue edge lines in the adjacent ultrasonic images obtained synchronously, the shape consistency degree of the human tissue edge lines and matched edge lines are obtained; acquiring matched pixel points of the edge pixel points according to the position relation between the human tissue edge line in each ultrasonic image and the edge pixel points on the matched edge line in the position relative ultrasonic image; according to the positions of the edge pixel points and the matched pixel points, the real distance between the edge pixel points and the endoscope probe is obtained, and then a three-dimensional model in the spine endoscopic surgery process is constructed in real time. According to the method, the real distance between the edge pixel point on the edge line of the human tissue and the endoscope probe is accurately obtained in real time, so that a three-dimensional model in the spine endoscopic surgery process can be accurately constructed in real time.

The utility model discloses a trocar assist device which comprises a mounting plate, a circular trocar inlet is formed in the middle of the mounting plate, and an inlet pipeline is fixedly connected in the trocar inlet. The trocar is inserted through the trocar inlet in the mounting plate, the inflow channel wrapping the trocar is tightened through the elasticity of the inlet pipeline, the trocar can rotate by 360 degrees in the inlet pipeline, and the endoscope entering difficulty and the operation inconvenience of endoscopic surgery after transfer laparotomy are reduced.

The utility model relates to surgical auxiliary article technical field. A kind of integrated laying of endoscopic surgery, including one surgical towel, surgical towel includes first water-absorbing reinforcing layer, second water-absorbing layer, waterproof layer and body surface contact layer being sequentially arranged from top to bottom;Surgical window is sequentially penetrated first water-absorbing reinforcing layer, second water-absorbing layer, waterproof layer and body surface contact layer from top to bottom and is set in surgical towel;Waterproof layer and body surface contact layer are arranged in upper and lower coincidence;Second water-absorbing layer is T-shaped and covers the upside of waterproof layer, and then left rear portion and right rear portion of waterproof layer are exposed;The upper side of the center of second water-absorbing layer is covered with first water-absorbing reinforcing layer;The outside of first water-absorbing reinforcing layer is connected with instrument placing bag for placing instrument and line pipe fixing buckle for connecting fixed line pipe.The utility model is set through the setting of multilayer structure, avoid the tediousness of multilayer laying, improve the efficiency of laying.Through line pipe fixing buckle and instrument placing bag, the integration of multifunction is satisfied.

A retractor-camera kit for minimally invasive surgery is provided. The kit includes a retractor comprising at least a top blade and a first side blade connected to one another through a hinge, a handle connected to the retractor, and a camera connected to the retractor via a designated holder to provide visualization of a surgical site while avoiding the need for an additional incision for passing an imaging unit therethrough.

An endoscope includes: an insertion section including a distal end and a proximal end, the insertion section configured for insertion into a subject; an operation section main body connected to the proximal end of the insertion section and, the operation section main body configured to be grasped by a user. The operation section main body includes an operation knob and a switch button. The operation knob is rotatable about a center axis to move the distal end of the insertion section. The switch button is translatable in a translating direction. In a view in a longitudinal direction of the operation section main body, the center axis of the operation knob is configured to be tilted with respect to a direction that is perpendicular to each of the longitudinal direction of the operation section main body and the translating direction of the switch button.

The invention relates to a shaft instrument (10) for laparoscopic and / or endoscopic procedures, comprising a proximal shaft section (28) having a proximal shaft section longitudinal axis, and a distal shaft section (30) having a distal shaft section longitudinal axis and having an applicator (20) at its distal end, wherein the two shaft sections are connected to each other in the region of a connecting joint (32) and are rotatable relative to each other, wherein at least one of the end faces of the two shaft sections facing the connecting joint is oriented at an angle deviating from 90° relative to the respective shaft section longitudinal axis, and wherein an angle between the two shaft section longitudinal axes is variable, and wherein the shaft instrument comprises at least one transmission device.which is displaceable along or parallel to an actuating axis by one actuating stroke and is coupled at a distal end to the applicator of the shaft instrument, wherein the transmission device transmits axial forces along the actuating axis and torques around the actuating axis, wherein the applicator is rotatable around the distal longitudinal axis of the shaft section and the transmission device is rotationally fixed to the applicator.

The application discloses a kind of endoscopic surgery components, comprising: the cylindrical snake bone connecting part suitable for being inserted into human body chamber, snake bone connecting part has the first camera being arranged at the distal end and the second camera being arranged in the middle part;Instrument part, including the operating instrument being arranged at the front end of instrument part and the connecting rod being connected with operating instrument, and can be slidably contained in the inner cavity of snake bone connecting part;Handle, the handle is connected to the proximal end of the snake bone connecting part and the connecting rod to operate the snake bone connecting part and the instrument part;Wherein the second camera has the retracted position being contained in snake bone connecting part, and the working position of laterally pushing out snake bone connecting part.

The invention relates to a mirror supporting surgical robot system. Comprising a mechanical arm used for holding and moving a neuroendoscope; the processing workstation is in communication connection with the mechanical arm and the neuroendoscope; the processing workstation is configured to perform an instrument follow-up mode, including: tracking a tip of the surgical instrument from a real-time video picture captured by the neuroendoscope; judging whether the tip is located in a motion activation area preset in the real-time video picture or not; when the tip is located in the movement activation area, a control instruction is generated to drive the mechanical arm to move so as to adjust the visual field of the neuroendoscope. The preset motion activation area is introduced to serve as a triggering condition, the mechanical arm is driven to adjust the visual field of the endoscope only when the tip end of the instrument enters the area, false triggering and unexpected motion caused by tiny vibration or accidental approaching of the instrument are prevented, and finally the purpose that a doctor does not stop operation and does not depend on an assistant is achieved. Therefore, a stable, smooth and absolutely-controlled operation view can be obtained, and the accuracy, safety and efficiency of the operation are improved.

An intraoperative clamp loading device includes an elongated body that can be positioned at the surgical site via a cannula during endoscopic surgery to supply a ligation clamp to a clamp applicator. The elongated body includes structures for supporting and advancing the ligation clamp within the elongated body.

The application provides an endoscope and an endoscope surgery system, and relates to the endoscope equipment field.The endoscope comprises a catheter assembly and a cutting wire assembly.The catheter assembly comprises an insertion tube, the insertion tube has at least two parallel arranged lumen, the at least two parallel arranged lumen comprises an instrument lumen and at least one cutting wire lumen, the tube wall of each cutting wire lumen is provided with a side opening at the part of the distal end of the lumen wall of the insertion tube, the side opening penetrates to the outer wall of the insertion tube, and the side opening is arranged to extend to the distal end.The cutting wire assembly comprises at least one cutting wire, the cutting wire is arranged in the at least one cutting wire lumen, the distal end of the cutting wire is connected with the distal end of the insertion tube, and the part of the cutting wire corresponding to the side opening is a cutting section.The application can relieve the situation that special instruments are frequently replaced in the surgery process, improve the surgery efficiency, reduce the number of used instruments, and is lower in cost.

Systems, devices, and methods for endoscopic mapping of a target and tracking of endoscope locations inside a subject's body during a procedure are disclosed. An exemplary system comprises an imaging system configured to capture an endoscopic image of the target that includes a footprint of an aiming beam directed at the target, and a video processor configured to identifying one or more landmarks from the captured endoscopic image and determine their respective locations relative to the aiming beam footprint, and generate a target map by integrating a plurality of endoscopic images based on landmarks identified from one or more of the plurality of endoscopic images. The target map can be used to track endoscope location during an endoscopic procedure.