101 results about "Therapeutic Endoscopic Surgery" patented technology

A training system for an endoscopic procedure, the training system including an endoscope having an image sensor configured to generate images; an image processing device including a housing and a processing circuit in the housing, the processing circuit including a processor and memory, the memory having graphical user interface (GUI) logic and a trained single-pass neural network model, the processor being configured to process the neural network model and the GUI logic to present a GUI; and a physical model including cavities corresponding to interconnected human cavities. The GUI is configured to receive a user input corresponding to a training mode or an exam mode. In the training mode the GUI is configured to present navigation feedback, and in the exam mode the GUI is configured to not present navigation feedback.

Improved methods and devices for performing an endoscopic surgery including a system for performing minimally invasive procedures including a flexible catheter having a first lumen, a first flexible tube positioned in the first lumen, and a second flexible tube positioned in the first lumen. The first lumen defines a first space configured and dimensioned to receive an endoscope. The first flexible tube and second flexible tube are fixed at a proximal portion and configured to float within the first lumen of the catheter. First and second flexible guides are slidably positioned within the first and second flexible tubes and dimensioned to receive a first instrument for axial movement therein, the first and second flexible guides movable to an angled position with respect to a longitudinal axis. A working space expanding system positioned at a distal portion of the flexible catheter, the working space expanding system movable from a non-expanded insertion position to an expanded position forming an expanded region to expand the working space within the body lumen.

The utility model relates to a tip cap used in digestive system endoscopic surgery, which belongs to the technical field of medical equipment and comprises an endoscope body, and an auxiliary mechanism used for opening mucosa and expanding visual field is mounted on the endoscope body. The auxiliary mechanism comprises two traction assemblies, a first connecting and pulling assembly and a second connecting and pulling assembly, wherein the first connecting and pulling assembly and the second connecting and pulling assembly are connected with the two traction assemblies correspondingly, and one end of the first connecting and pulling assembly and one end of the second connecting and pulling assembly are both connected with opening and closing assemblies. According to the tip cap used in the digestive system endoscopic surgery, the design of an openable transparent cap is provided, a tumor is stabilized and exposed by controlling opening and closing of the cap body, it can be ensured that the tumor is always kept at a relatively stable and easy-to-operate position in the surgery process, meanwhile, it can be ensured that the sight of a doctor is not hindered in the surgery process, and the surgical quality is improved. And the safety of the operation is improved, so that the efficiency and the success rate of the operation are improved.

The invention discloses an endoscope data processing method and system, and belongs to the field of endoscopes. The method comprises the steps that a basic pressure threshold a0 and a basic temperature threshold b0 of a user are set; collecting a pressure value a1 and a temperature value b1 through an endoscope; performing error correction on the pressure value a1 and the temperature value b1 through a compensation algorithm; according to the pressure value a1'and the temperature value b1 'after error correction, a basic pressure threshold value a0 and a basic temperature threshold value b0, a control strategy of the perfusion flow and the suction flow is generated; according to the control strategy, a PWM algorithm is adopted to generate control signals of perfusion driving and attraction driving; and the filter circuit and the isolation circuit are used for processing the control signal. In order to solve the problem that perfusion and suction flow control is not coordinated in the endoscopic surgery process in the prior art, four control strategies are generated through an error compensation algorithm and according to temperature and pressure parameters, and the stability of perfusion and suction flow control is improved.

A surgical instrument for applying a surgical clip to tissue includes an end effector having a first jaw and a second jaw movable between an open position and a closed position. The end effector is rotatably coupled to the shaft about at least one axis substantially perpendicular to the shaft. The instrument includes a drive member configured for translation from an axial distal end into the end effector to deliver one or more clips to the first jaw and the second jaw. The instrument allows a surgeon to deliver one or more surgical clips onto tissue or blood vessels, for example, without having to replace the instrument or alter the orientation of the jaws during clip advancement, which reduces interference with the surgeon's workflow.

The present invention discloses an adjustable endoscopic surgical mask, which relates to the technical field of endoscopic masks and comprises a mask body, wherein the mask body comprises an outer layer and an inner layer, wherein the inner layer connects an oxygen supply port to an interface of an oxygen cylinder through a pipeline, and a front throttle for controlling the gas flow is provided at the oxygen supply port, a carbon dioxide outlet is provided on a sealing member, the sealing member is connected to a negative pressure device through a pipeline, and a rear throttle for controlling the gas flow is installed at the carbon dioxide outlet; a baffle is provided, and an exhalation collection layer is semi-closed by the baffle, so that the gas passes through the baffle, the energy of the carbon dioxide gas flow is weakened, and the range of carbon dioxide gas diffusion is reduced, so as to improve the oxygen quality at the nasal inhalation; according to the angle of the exhaled gas of different users, the carbon dioxide is integrated into the directionally moving gas, so as to effectively prevent the gas from flowing back into the mask, and reduce the risk of cross infection.

A surgical device is provided that includes a flexible portion annularly wound within a housing. The surgical device includes a processor configured to predict an intended path for the distal tip and generate a control signal. The intended path is predicted based on at least one anatomical structure recognized using data received from one or more sensors. An actuation unit of the surgical device actuates three-dimensional movement of the distal tip along the intended path based on the control signal.

A two-stage end effector for a transurethral and vaginal rigid endoscopic surgical robot includes two detachable front and rear sections and an execution end tooling, wherein the front section of the detachable front and rear sections is the execution end and the rear section is the power end; the execution end tooling is connected to one end of the execution end; the execution end includes: a passive bottom plate, a passive housing, a fixed lock, a screw, a PIN male seat, a passive sealing plate, a slide groove pressure plate, a waterproof plate, a sliding block, a screw nut, a front bearing plate, and an information board. In the above-mentioned highly integrated two-stage end effector, an information board is set in the execution end, and a control board is integrated in the power end. The control board is connected to the information board, the motor, the button and the connector, and the control board integrates the information command and transmits it to the host computer through the connector.

To provide a liquid absorption tool capable of successively absorbing a liquid within a body by suppressing complication of operation by an operator concerning an endoscopic operation.SOLUTION: A liquid absorption tool 1 used in an endoscopic operation to absorb a liquid 80 within the body of a patient 60 comprises: a tube 10 which is inserted into the body via a trocar 50 installed on a body surface 70 of the patient 60, has a hole 13 on one end 11 side, and is capable of performing suction from the other end 12; and a sponge body 20 which is connected to the one end 11 side of the tube 10, surrounds the one end 11 side of the tube 10, and has liquid absorption property and flexibility.SELECTED DRAWING: Figure 2

The utility model discloses a pressure valve for adjusting pelvis pressure and automatically discharging water and reducing pressure, which comprises a probing assembly, an external assembly and a connecting assembly, the probing assembly is used for checking endoscopic surgery, the external assembly is arranged on the probing assembly and used for inserting and butting an external instrument, and the connecting assembly is connected with the external instrument. The connecting assembly is arranged on the probing assembly and used for being in butt joint with external imaging equipment, the external connecting assembly comprises a mounting pipe, two pressure valves, an instrument intubation tube and a soft material intubation tube, the mounting pipe is arranged on the probing assembly, the two pressure valves are both fixedly mounted on the mounting pipe, the instrument intubation tube is fixedly mounted on the outer wall of the mounting pipe, and the soft material intubation tube is fixedly mounted on the outer wall of the instrument intubation tube. The soft material insertion pipe is fixedly installed on the outer wall of the installation pipe, the two pressure valves are arranged in a bilateral symmetry mode, and the two pressure valves are arranged in a left-in and right-out mode. The pressure valve for adjusting the pelvis pressure and automatically discharging water and reducing pressure has the advantage of preventing complications caused by too high internal pressure of the kidney of a patient during endoscopic surgery.

Provided is an endoscopic surgery system with automatic hydraulic monitoring function, comprising a control system, a cart kit and an endoscope accessory. Then control system includes a processor, a touch display, a perfusion pump, a negative pressure pump, etc. The cart kit includes a cart, a perfusion tube and an extraction tube. The endoscope accessory includes a pressure measuring guide sheath, a hydraulic sensor and an electron microscope. When the endoscope is employed for observation, the invention can control the perfusion and monitoring of the liquid in endoscope instrument, as well as the cavity liquid pressure in organs, allowing for precise control of the intracavity pressure during operation. The real-time monitoring module measures the liquid pressure in the organ in real time and sends data to the control system, calculates a state of the intracavity pressure based on real-time data obtained from the hydraulic sensor using intelligent PID control.

The invention discloses an endoscopic surgery action recognition method and system and a storage medium, and is applied to the field of medical image recognition. Extracting feature maps of different levels of the endoscopic surgery video image, fusing low-level visual features, high-level semantic features and surgery action component features, and adopting mutual information distillation based on component feature space to reserve different component features and remove redundant information; non-target information distillation is carried out to eliminate head class consistency deviation, and head-deviation-free features are obtained; time dimension rich features are utilized, the influence of similar frames on the current frame is reduced, effective time features aligned with the surgical action component features are obtained, and time-space fusion features are obtained; positive and negative samples are constructed by adopting a comparative learning method, and tail features are enhanced by adopting a momentum-based sample updating strategy; and combining the head deviation-free feature, the space-time fusion feature and the tail enhancement feature to obtain a surgical action recognition result. According to the invention, the accuracy of surgical action recognition is ensured.

The embodiment of the invention provides a multi-fingered dexterous hand for endoscopic surgery, and belongs to the technical field of medical instruments, the multi-fingered dexterous hand comprises a universal instrument tube, a positioning seat, at least two dexterous fingers and a driving rope, the universal instrument tube is a polyformaldehyde hollow cylinder, and a boss is arranged at the right end of the universal instrument tube; the positioning seat is of a polyformaldehyde combined hollow cylinder structure, a main hollow cylinder is matched with a boss of the universal instrument tube, and a secondary hollow cylinder is annularly distributed; the dexterous finger is correspondingly connected with the secondary hollow cylinder, comprises knuckles which are hinged in sequence, and forms a rotating joint through a lug plate and a bolt; the driving rope is an ultra-high molecular weight polyethylene fiber rope and is arranged in inner cavities of all the components in a penetrating mode. According to the invention, the fineness and flexibility of endoscopic surgery operation are improved, complex operation can be completed, and tool replacement is reduced.

The utility model provides a three-way valve structure suitable for endoscopic surgery, which relates to the field of medical instruments and comprises a three-way shaft body, an inner cavity of the three-way shaft body is a working channel, and the working channel penetrates through two ends of the three-way shaft body; a mounting ring groove is formed in the inner wall of the first end of the three-way shaft body, and the mounting ring groove communicates with the working channel; the switch valve is arranged on the side wall of the three-way shaft body, an inner cavity of the switch valve is a switch channel, and the switch channel is communicated with the working channel; a mounting groove is formed in the three-way shaft body, the gasket, the gasket and the pushing piece are arranged in the mounting groove, the gasket is located between the gasket and the pushing piece, and the pushing piece is in threaded connection with the three-way shaft body and extrudes the gasket, so that the inner diameter of the gasket is reduced, and an object is locked; and the three-way shaft body is made of a metal material. The three-way valve has the effect that the three-way valve is convenient to disassemble.

This article is a suction and water supply coagulation device used in endoscopic surgery. It is a surgical instrument that combines the functions of a suction and water supply nozzle, which draws bodily fluids such as blood out of the body and supplies irrigation fluid or the like from outside the body to the area surrounding the affected area, with the function of an electrode, which applies high-frequency current to an incised area such as a tumor excised with a scalpel to coagulate tissue. The suction and water supply coagulation device is composed of a long, slender, linear shaft and an operating unit located at the base end of the shaft, through which the surgeon performs operations such as suction, water supply, and coagulation. The shaft is made of a hollow, cylindrical metal pipe as its base material. The tip is pressurized and deformed into a tapered shape in plan view, changing the cross-sectional shape of the pipe from a circular to an elliptical shape, and the tip is machined and polished into a gently curved long sword shape in front view. Almost the entire shaft, from the base end, is covered with an electrically insulating material, with a metal portion exposed at the tip, forming the electrode.

The invention discloses an auxiliary traction system suitable for an oral endoscopic surgery. The auxiliary traction system comprises an auxiliary supporting second connecting block, a connecting column, a first joint ball, a second joint ball, a bent forceps module, a pressing plate and a connecting plate. By means of the integrated design of the arc-shaped rod, the mouth gag and the mouth opener, the requirement for additional auxiliary personnel is effectively reduced, only one or a small number of medical workers are needed for operation, the operation efficiency is improved, and meanwhile the device has the advantages of being flexible and changeable in joint, convenient to use, high in practicability and the like. The supporting instrument has the advantages that an operator can conveniently open an operation area from different angles, the supporting instrument designed through a double-joint assembly is adopted, the supporting instrument can be linked with an existing endoscopic instrument, the requirement for linkage with the existing instrument is met, the operation mode is improved, the position and form of the supporting instrument are flexibly adjusted, and the operation efficiency is improved. And accurate operation of doctors is facilitated.

The present invention discloses an endoscopic surgery control system, which includes: at least one robotic arm is equipped with an endoscope; at least one robotic arm is equipped with surgical instruments; the operation handle is operated by a doctor; the positioning marker is rigidly connected to the object to be measured, and is used to obtain the current pose of the object to be measured, and the object to be measured is an endoscope, surgical instruments and an operation handle; the positioning device obtains the current pose of the object to be measured through the positioning marker and transmits it to the main controller; the main controller is used to calculate the target pose of the surgical device according to the current pose of the operation handle, drive the robotic arm to control the surgical device to reach the target pose; and determine whether the current pose of the surgical device is consistent with the target pose, if so, stop driving, wherein the surgical device is an endoscope and surgical instruments. The present invention does not adopt an encoder, has small errors, simple hardware, small occupied space, and flexible installation methods.

The invention discloses an endoscope monocular dense reconstruction and real-time positioning method based on deformation modeling. The method comprises the following steps: constructing a hybrid map model combining a sparse key point graph and three-dimensional Gaussian point representation; performing initial three-dimensional structure reconstruction and non-rigid camera attitude estimation through the sparse point map; fine pose adjustment and high-quality reconstruction are carried out on the Gaussian map in combination with micro-rendering optimization; efficient conversion from sparse geometry to dense geometry is realized through a sparse prior guided depth alignment mechanism, and tracking stability and reconstruction density are both considered. According to the method, three-dimensional mapping and tracking of the deformation scene can be realized in real time under the monocular camera, the method is suitable for an endoscopic surgery scene with complex tissue deformation, and the visualization quality and the navigation precision in the surgery are improved.

Suture systems, devices, and methods to enhance the precision and efficiency of surgical procedures are disclosed herein. Exemplary sutures are integrated with length indicators along their length, providing surgeons with an immediate visual reference for measuring anatomical distances intra-operatively in open and key hole (e.g. arthroscopic and endoscopic) procedures, tissue dimensions, gauging suture tension, and determining the optimal or desired suture length required for closure. The length indicators, marked at predetermined intervals, allow for accurate measurement without the need for additional tools, thereby streamlining the surgical process and reducing operation time. This suture material is particularly beneficial in complex surgeries where precision is paramount, and can improve patient outcomes by enabling more accurate tissue approximation and wound closure. Exemplary embodiments enable a combination of functionality and convenience, providing a valuable addition to the medical field, particularly in surgical specialties that demand meticulous attention to detail.

A computer readable non-transitory recording medium storing a computer program causing a computer to execute processing of: acquiring an operation field image obtained by shooting an operation field of an endoscopic surgery; and recognizing a loose connective tissue part included in the surgical field image by inputting the surgical field image acquired to a learning model so trained as to output information related to loose connective tissue when the operation field image is input.

The utility model provides a perfusion pipeline structure suitable for endoscopic surgery, which relates to the field of medical instruments and comprises an inserting needle, an upper connecting pipe, a connecting main pipe, a lower connecting pipe and a connector piece which are connected in sequence. The two ends of the connecting main pipe are each provided with a first connecting end cover, the first end, facing the connecting main pipe, of the upper connecting pipe, and the first end, facing the connecting main pipe, of the lower connecting pipe are each provided with a second connecting end cover. The first connecting end cover and the corresponding second connecting end cover are connected through a detachable connecting part, a circulation channel is formed in the detachable connecting part, the main connecting pipe and the upper connecting pipe are communicated through the circulation channel, and the main connecting pipe and the lower connecting pipe are communicated through the circulation channel. The device has the advantages of being convenient to disassemble, convenient to clean and capable of reducing waste.

This invention relates to an endoscopic surgical navigation method and device based on video image augmented reality. The method includes: segmenting the key surgical areas of interest and selecting anatomical landmarks from preoperative CT images; installing passive tracking tools on the patient's surgical site and the endoscope; registering the real patient with a 3D model using calibrated probes and anatomical landmarks; calibrating the endoscope parameters under the navigation system; determining the transformation matrix of the passive tracking tool coordinate system relative to the endoscope coordinate system; projecting and rendering the 3D model of the preoperatively segmented key surgical areas of interest using a pinhole model simulation and processing it with distortion parameters to obtain a virtual image; and fusing the virtual image with images acquired in real time by the endoscope and displaying it. Compared with existing technologies, this invention fuses virtual images with real endoscopic images and presents them on the same screen, reducing the surgeon's intraoperative judgment time and lowering the difficulty of hand-eye coordination.

The utility model discloses an intestinal anastomosis tube support which comprises an elastic support, an intestinal canal cannula and an intestinal canal cannula negative pressure tube. The elastic support is telescopic, the intestinal cannula is arranged in the elastic support, one end of the intestinal cannula extends out of the elastic support by a certain distance to the outside of a body, the intestinal cannula negative pressure tube is arranged between the intestinal cannula and the elastic support, and one end of the intestinal cannula negative pressure tube extends out of the elastic support by a certain distance to the outside of the body. The intestinal anastomosis tube support is arranged at the position of an intestinal anastomosis stoma, an intestinal cannula is fixed inside the intestinal tract through the support, excrement is directly discharged out of the body through the intestinal cannula, the leakage and infection risks of the anastomosis stoma are effectively reduced, and compared with a shunt stoma, the intestinal anastomosis tube support has the advantages of being convenient to implant, capable of being conveniently removed through an endoscopic surgery, high in practicability and the like. In the using process, compared with an ostomy bag, the safety and comfort of a patient are remarkably improved.

The invention discloses a plasma surgical electrode, and relates to the technical field of medical instruments. In order to solve the problems that multiple steps and multiple instruments are involved in the existing endoscopic surgery, and the surgery efficiency is reduced, the following technical scheme is provided: the endoscopic surgical knife comprises a cable, a handle, a knife bar and a knife head which are connected in sequence; when a reset button on the handle is pressed down, the limiting piece drives the positive electrode to stretch out and draw back and further drives the electrode tool bit to stretch out and draw back, the pre-bent electrode tool bit can stretch out and draw back into the ceramic head and stretch out of the ceramic head under the limitation of the fixing pin, and rapid carpal canal cutting and effective blood coagulation can be achieved under bipolar cutting; during use, an endoscope is inserted into the endoscope guide tube, when turbid liquid in an operation needs to be cleaned, suction is started, and the liquid can be pumped out of the suction tube through the suction channel. The device is excellent in cutting efficiency, bleeding amount control, operation accuracy, safety and the like, and has the advantages of being capable of sucking turbid liquid in an operation, easy and convenient to operate, wide in application range and the like.

Single-use devices that carry at least one peristaltic pump for providing fluid flows in hysteroscopic or similar procedures. single-use handheld device with a motor-driven cutter and an integrated peristaltic pump used for resecting and removing tissue in an endoscopic procedure.

The mucous membrane traction device for the endoscopic surgery comprises a far-end traction part, a near-end operation part and a connecting lead, the far-end traction part comprises an installation ring and a traction piece, and the installation ring is used for being arranged at the other end of an insertion tube in a sleeving mode; a mounting groove is formed in the mounting ring, and the traction piece is arranged in the mounting groove; the traction piece comprises a connecting block, a first clamping block and a second clamping block, and the first clamping block and the second clamping block are rotationally connected, so that the first clamping block and the second clamping block can be relatively opened and closed like a forceps clip structure, and the function of clamping the mucous membrane is achieved; the two sides of the connecting block are slidably connected with the two sides of the mounting groove. A first through hole is further formed in the mounting ring; a first adjusting line, a second adjusting line and a third adjusting line in the connecting lead are correspondingly connected with the connecting block, the first clamping block and the second clamping block respectively, and the other ends of the adjusting lines penetrate out of the mounting ring through the first through hole, enter the jaw opening and are connected with the near-end operation part.

The invention relates to a medical cutting instrument for tissue for use in surgical, in particular endoscopic, procedures on the spinal column. The cutting instrument has a substantially axially extending main body and a blade which is connected to the main body in a distal region and which has a distally oriented cutting edge. The blade projects distally from the main body. The cutting instrument has an axial lumen extending over the entire length of the cutting instrument. The invention additionally relates to an instrument set comprising the cutting instrument and to a method for a surgical procedure using the cutting instrument.

The invention belongs to the technical field of medical instruments, and discloses a suction system and an endoscopic surgical robot. The suction system comprises a communicating pipe, a conducting pipe, a suction pipe, a conducting assembly and a traction piece. One end of the communicating pipe is communicated with the negative pressure pipe; the conducting pipe is arranged at the other end of the communicating pipe; the suction tube is arranged at the end, away from the communicating tube, of the communicating tube and communicates with the communicating tube through the communicating tube. The conduction assembly is arranged on the conduction pipe and has a conduction state and a separation state; one end of the traction member is connected with the conduction assembly, and the other end is connected with the mechanical box. Therefore, when the suction system is used, the suction system does not need to be independently provided with an assistant for operation, a surgeon can directly control the operation end of the endoscopic surgical robot to move and whether suction is carried out or not at the operation end of the endoscopic surgical robot, it is ensured that the surgeon can operate with high proficiency in the surgical process, interference caused by unsmooth communication is reduced, and the surgical efficiency is improved. And the success rate of the operation can be effectively improved while the operation efficiency is ensured.

A force sensing device and monitoring system for use in medical procedures, featuring an air-based sensor to quantify force applied during insertion of a ureteral access sheath (UAS), catheter, or other medical instrument. The invention features a pneumatic syringe mechanism, wherein force is measured by compressing an occluded syringe, translating pressure changes into a measurable force output. Real-time feedback is provided via visual, tactile, or auditory indicators, signaling predefined force thresholds (e.g., 4 N, 6 N, and 8 N) to prevent excessive pressure and resultant tissue injury. The invention provides precise, cost-effective, and widely accessible force monitoring without reliance on electronics or Bluetooth® systems, in various surgical fields, including laparoscopy, robotic-assisted surgery, endoscopic procedures, and vascular catheterization, ensuring safe instrument deployment and minimizing complications. The sensor can be integrated into existing medical instruments via Luer-Lock or similar interface connections and may be disposable or reusable.

The invention relates to an endoscopic surgery planing device, and relates to the technical field of medical instruments, the endoscopic surgery planing device comprises a device body, a suction channel is arranged in the device body, a motor and a driving gear driven by the motor to rotate are arranged in the device body, a gear ring, an intermediate gear and an inner gear are rotatably arranged in the suction channel, and gear teeth are arranged on the inner wall and the outer wall of the gear ring; outer wall gear teeth of the gear ring are meshed with the driving gear; the intermediate gear is simultaneously meshed with the inner gear and inner wall gear teeth of the gear ring; a center shaft is fixed to the center of the inner gear, an inner cutter is fixed to the front end of the center shaft, and an outer cutter is fixed to the front end of the connecting rod. According to the planing device, the inner cutter and the outer cutter are arranged to form double cutters, the rotating directions of the inner cutter and the outer cutter are opposite through the reversing effect of the intermediate gear, and the planing effect is improved; the first pressing plate or the second pressing plate is pressed down to drive the corresponding inner cutter or the corresponding outer cutter to move axially, so that the planing effect is improved to the maximum extent, human tissue or calculus is not prone to being clamped at an inlet of the suction channel, and use is more convenient.