141 results about "Therapeutic Endoscopic Surgery" patented technology

The invention provides an endoscope motion control method and a surgical robot. The method is applied to an endoscopic surgery control system, and when a starting signal which is input by a doctor and used for indicating to enter an endoscope control state is received, a first motion constraint model can be determined according to a first tail end point of a first control arm and a second tail end point of a second control arm. When a doctor controls the endoscope to move through the first control arm and the second control arm, the second motion constraint model can be determined based on the model parameters of the first motion constraint model, the first motion position and the second motion position. And when the first motion position and the second motion position exceed the motion range represented by the second motion constraint model, generating prompt information to prompt a user to adjust the relative position of the first control arm and the second control arm. The relative positions of the first control arm and the second control arm are limited through the motion constraint model, the prompt information is generated, and the endoscope adjusting operation precision and intuition of a doctor can be improved.

A method for planning a tour visiting a set of target diagnostic sites via endoscopy passing through a hollow organ system includes computing a 3D virtual space of the hollow organ system based on the 3D imaging scan depicting the diagnostic sites and hollow organ system, computing a series of preliminary endoscopic routes leading to each diagnostic site including a set of contiguous device poses through the hollow organ system that connect each target diagnostic site to all of the other target diagnostic sites, and computing an optimal tour having a minimum cost corresponding to the smallest set of contiguous poses that visit all of the target diagnostic sites once and only once, where the cost between each pair of diagnostic sites is defined as the distance accumulated by the smallest set of contiguous poses connecting the pair of diagnostic sites together within the hollow organ system.

The present disclosure relates to a hemostatic composition and a hemostasis kit including the same. More particularly, the present disclosure relates to a rapidly applicable hemostatic composition and a hemostasis kit including the same. The hemostatic composition according to the present disclosure includes a polysaccharide, a stabilizer, a binder, thrombin and an antibiotic, in which the polysaccharides is coated with the stabilizer, binder and thrombin, and the antibiotic is mixed with the coated polysaccharide. Since the hemostatic composition according to the present disclosure is provided in the form of a polysaccharide powder coated with a stabilizer, a binder, and thrombin, the hemostatic composition can be stored for a long period of time even at room temperature due to a large interaction area between the stabilizer and the thrombin, can be well fixed to the application site due to the binder, and has good hemostatic efficacy due to the high surface area of thrombin. In addition, the hemostatic composition can prevent infection at the bleeding site due to the presence of the antibiotic. In addition, the hemostatic composition may be mixed with a cationic solution that is separately stored, so that the hemostatic composition may be used as a hydrogel hemostatic agent if necessary. In addition, the powdered hemostatic composition can be housed in an endoscopic dispensing instrument to control bleeding during endoscopic procedures as needed, and thus can be used in a variety of bleeding situations.

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.

A surgical instrument for applying surgical clips to tissue comprises an end effector having first and second jaws that are movable between open and closed positions. The end effector is rotatably coupled to the shaft around at least one axis substantially perpendicular to the shaft. The instrument comprises a drive member configured for distal translation from the shaft into the end effector to deliver one or more clips to the first and second jaws. The instrument allows a surgeon, for example, to deliver one or more surgical clips onto tissue or vessels without having to exchange the instrument or to change the orientation of the jaws during clip advancement, which reduces disruption to the surgeon's workflow.

The invention belongs to the technical field of wisdom medical treatment, and particularly relates to an endoscopic surgery stage recognition method based on spatio-temporal information fusion, which comprises the following steps: 1) collecting endoscopic surgery videos and carrying out downsampling to obtain a picture sequence data set; 2) performing preliminary feature extraction on the input image sequence data by using an improved two-way spatial feature extractor to obtain a spatial feature map containing multi-scale information; (3) modeling the extracted spatial features with the time sequence information in time sequence by using a mixed time feature extractor, and fully mining the time sequence relationship between different stages by effectively mixing two different time sequence information; 4, the time context relation of the operation video is explored through an auto-aggregation module based on a coder-decoder structure, and a final result is predicted.According to the method, the synergistic effect of time sequence information in the operation video is explored in the mode that time embedding is used for inquiring time embedding, and the accuracy of operation stage recognition is improved.

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 a plasma tissue dissociation knife, and relates to the technical field of medical instruments. In order to solve the problems that when an existing endoscopic surgery relates to a plurality of instruments, the instruments need to be frequently switched for surgical operation, and the surgical efficiency is reduced, the following technical scheme is provided: the endoscopic surgical instrument comprises a tool bit, a tool bar, a handle and a cable which are connected in sequence; the cutter head comprises a blade telescopic assembly arranged on the head portion, an endoscope guide tube and a cutter head telescopic control mechanism are arranged in the handle, and the cutter head telescopic control mechanism drives a blade in the blade telescopic assembly to stretch out and draw back through a transmission piece. The positive cable extends to the tool bit to be connected with the blade telescopic assembly, the negative steel pipe is connected with the negative cable, and double-frequency emitter cutting is formed at the blade; the suction channel arranged in the cutter bar is used for flushing the surgical field and sucking turbid liquid in the operation. Compared with a traditional cold instrument, cutting efficiency, bleeding amount control, clear surgical field, cutter bar size optimization, cutting flexibility, sealing performance, operation convenience and the like are remarkably improved.

A multifiber assembly and methods of using the same in an endoscopic procedure for transmitting illumination light to, and a response signal reflected from, a target is disclosed. An exemplary device comprises a proximal end, and distal end, and a transition section between the proximal and distal ends. The proximal end includes a first connector to be connected to a light source and a second connector configured to be connected to a spectrometer. The distal end includes a shaft including at least two first optical fibers to transmit light and at least one second optical fiber to transmit a spectroscopic signal. The transition section can couple the first connector to the at least two first optical fibers, and to couple the second connector to the at least one second optical fiber.

A surgical instrument for applying surgical clips to tissue comprises an end effector having first and second jaws that are movable between open and closed positions. The end effector is rotatably coupled to the shaft around at least one axis substantially perpendicular to the shaft. The instrument comprises a drive member configured for distal translation from the shaft into the end effector to deliver one or more clips to the first and second jaws. The instrument allows a surgeon, for example, to deliver one or more surgical clips onto tissue or vessels without having to exchange the instrument or to change the orientation of the jaws during clip advancement, which reduces disruption to the surgeon's workflow.

The invention relates to the technical field of medical instruments, and provides an endoscopic surgical robot system which comprises a remote control device, a mobile robot and an endoscopic robot. The mobile robot comprises a trolley, a mechanical arm and a force sensor, and the mechanical arm is movably mounted on the trolley; the endoscope robot comprises a box body, a first driving part and a second driving part, the box body is installed at the tail end of the mechanical arm, an endoscope is installed on the box body, the first driving part is used for driving the endoscope to rotate, and the second driving part is used for driving the endoscope to bend; the remote control device is in communication connection with the first driving part, the second driving part and the mechanical arm, and after the mechanical arm drives the endoscope to move to the first target position, the remote control device controls the mechanical arm, the first driving part and the second driving part so that the endoscope can enter the target position in the human body. According to the endoscopic surgery robot system, through a man-machine cooperative control mode, a user can efficiently implement an endoscopic surgery, and a focus can be accurately positioned and treated.

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 multifunctional connector matched with an endoscope mainly comprises a sealing cover, an endoscope instrument channel, a non-return film, an injection channel, an injection branch connector, a Luer injection connector and an extension tube. The injection channel and the injection branch connector are additionally arranged to be connected with the Luer injection connector, so that in the endoscopic surgery process, under the condition that a surgical instrument does not exit from an endoscopic instrument channel, anesthesia or hemostasis medicine can be directly injected into a surgical site through the Luer injection connector; the one-way valve is arranged on the Luer injection connector, and the non-return film is arranged in the instrument channel, so that when anesthesia or hemostasis medicine is injected, blood backflow is prevented, the effect of the medicine is prevented from being affected, operation steps are reduced, and operation efficiency is improved.

The obturator comprises a sheathing canal with a hollow cavity and an inner core arranged at the far end of the sheathing canal, the inner core is provided with an endoscope body channel allowing an endoscope to penetrate through and an instrument channel allowing a medical instrument to penetrate through, and the endoscope body channel and the instrument channel are both communicated with the hollow cavity and are independent of each other; wherein the instrument channel is provided with an instrument inlet, the instrument inlet is formed in the side, away from the far end of the sheathing canal, of the inner core, and a guiding structure is arranged on the instrument inlet and used for guiding the medical instrument in the hollow cavity into the instrument channel.

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.

1. The name of the product of this design: Planer power device. 2. Purpose of the product with this appearance design: It is used in orthopedic arthroendoscopic surgery, and is used in conjunction with a suitable surgical planer head to drive the head to rotate at high speed and connect an external suction device to achieve a planer power device with surgical functions such as resection, grinding, and mincing of human soft tissue and bone tissue. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

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.