355 results about "Minimal invasive surgery" patented technology

The invention relates to the technical field of medical instruments, in particular to a bendable minimally invasive surgery electric hook with a smoke suction function. Comprising a smoke suction pipe, a handle assembly, an electrode pipe, a multi-stage bending assembly and an electric hook. The smoke suction pipe is fixedly connected to an outer smoke suction pipe of the handle assembly, an adjusting part is movably connected to the end of the handle assembly, the electrode pipe is arranged on the adjusting part in a penetrating mode and fixedly arranged in the handle assembly, and a control module is arranged in the handle assembly and electrically connected with the electrode pipe; the multi-stage bending assembly is fixedly arranged at the end of the electrode tube, a movable part is further arranged in the electrode tube and fixedly connected with the steel wire set, and the electric hook is fixedly arranged at the end of the extending end of the electrode tube and extends out. The adjusting piece is controlled to drive the movable piece to move in the electrode tube, and then the steel wire set is driven to pull the multi-stage bending assembly to conduct bending movement. The bending electric hook can integrate a real-time smoke suction function in a flexible bending scene, and the cooperation problem of bending operation and smoke removal in minimally invasive surgery is solved.

The invention relates to the technical field of medical instruments, and discloses a minimally invasive surgery system based on artificial intelligence. Comprising a target identification and positioning module, a multi-mode sensing module, a self-adaptive control module, a man-machine interaction module and a scene adaptation module. The target recognition and positioning module positions an operation target in real time through image recognition and a deep learning algorithm; the multi-mode sensing module collects the stress and movement track of an instrument and physiological signals of a patient. The self-adaptive control module adjusts movement parameters of the instrument according to the data; the man-machine interaction module displays data and provides an operation interface; the scene adaptation module adjusts the instrument form and function according to the operation type. In addition, the system also comprises an operational stability evaluation module, an instrument life prediction module and a biological signal fusion module. The system can achieve precise positioning, real-time monitoring and intelligent control, and the precision, safety and operation convenience of minimally invasive surgery are improved.

The invention discloses a surgical tool system based on a flexible arm and a minimally invasive surgical robot, the surgical tool system comprises a flexible arm sleeve assembly and a manual driving mechanism, a distal end of the sleeve assembly is provided with a tip, the tip is at least integrated with a surgical tool and an endoscope camera, and the proximal end of the sleeve assembly is connected with the manual driving mechanism; a regulating cable for controlling the tail end of the surgical tool to move is arranged in the sleeve assembly in a penetrating manner, and the near end of the regulating cable is connected with the manual driving mechanism; a rotating module, a push-pull module and a regulation and control cable control module are arranged in the manual driving mechanism, the rotating module is used for achieving overall rotation of the cannula assembly, the push-pull module is used for achieving bending of the far end of the cannula assembly, and the regulation and control cable control module is used for tensioning / loosening a regulation and control cable to achieve opening and closing of the tail end of the surgical tool. According to the minimally invasive surgery robot, the surgical tool can rotate, bend and open and close the tail end under the control of the manual driving mechanism, the minimally invasive surgery operation requirement is met, the minimally invasive surgery robot has multiple degrees of freedom, and the surgical tool can conveniently reach a deeper surgery area.

Systems and methods for eye tracking and content tagging in minimally invasive surgical videos are described herein. Minimally invasive surgical videos may be captured while performing robotic surgeries. Robotic surgical systems described herein include robotic arms with interchangeable surgical tools. An endoscope at the end of one of the robotic arms captures video of the surgical procedure. The video is displayed on a display of the surgical system and an eye tracking device captures data corresponding to a gaze direction of the user on the display. Content tags are automatically generated in the image data based on areas of focus of the user. Information within the content tag may be generated based on surgical procedure steps derived from the image data, a log of current surgical procedures, and image data of previous surgical procedures.

The invention relates to an AI image navigation method, device and equipment for prostatic hyperplasia minimally invasive surgery and a medium thereof. The method comprises the following steps: acquiring a prostate three-dimensional image and an intraoperative real-time image sequence, and fusing the three-dimensional image after preliminary filtering to obtain an optimized and enhanced image; based on the enhanced image and the preoperative three-dimensional image, a three-dimensional offset vector is obtained through a multi-modal registration algorithm combined with an anatomical structure reference, and optimized prostate three-dimensional attitude data is generated in combination with anatomical constraints; combining the attitude data and the three-dimensional image, determining boundary area distribution characteristics, calculating a risk assessment value, mapping a risk level, and generating a path correction instruction to obtain an instrument navigation path if the risk level exceeds a threshold value; and based on the navigation path, constructing a clinical recovery model in combination with the anatomical structure, generating postoperative recovery index simulation data, and performing adjustment and verification until preset requirements are met to obtain a final operation execution scheme. According to the method, precision and individuation of surgical navigation are achieved, and comprehensive technical support is provided for precise implementation of minimally invasive surgery.

The invention relates to the technical field of bone implants for minimally invasive surgery, and particularly discloses an implant for percutaneous minimally invasive thoracolumbar vertebral fracture, which comprises a vertebral body forming body, the vertebral body forming body comprises a vertebral body forming body head and a plurality of blade parts arranged at the rear end of the vertebral body forming body head in a surrounding manner, the vertebral body forming body head is provided with a needle guide hole penetrating along the axial direction, and the needle guide hole is communicated with the blade parts; a containing cavity is defined by the blade parts; the front end of the threaded guide rod and the head of the cone forming body are integrally formed, the needle guide hole penetrates through the threaded guide rod in the axial direction, and the rear end of the threaded guide rod extends out of the containing cavity; the pedicle screw is provided with a threaded hole penetrating in the axial direction, the threaded hole is in threaded connection with the threaded guide rod, the pedicle screw comprises a screw head and a threaded part arranged at the rear end of the screw head, and the screw head is arranged in the containing cavity and expands the blade part. According to the implant for the percutaneous minimally invasive thoracolumbar vertebral fracture, surgical wounds are reduced, the vertebral restoration effect is good, the stability of a vertebral formed body is guaranteed, and the surgical time can be saved.

The invention provides an instrument force feedback and man-machine cooperative control method and system for minimally invasive surgery, and relates to the technical field of man-machine collaboration.The instrument force feedback and man-machine cooperative control method comprises the steps that a force sensor arranged at the tail end of a minimally invasive surgery instrument is used for collecting three-dimensional torque data, and the surgical operation safety state is recognized through a mixed deep learning model; and when risks exist, early warning is triggered, an active constraint mechanism is started, and real-time correction is carried out through reverse force feedback generated by a robot auxiliary system. A safety force domain range is calculated according to the torque data change, and trajectory optimization and acting force adjustment of the surgical instrument are achieved. The safety and accuracy of the minimally invasive surgery can be effectively guaranteed, and the medical risk is reduced.

The invention relates to the technical field of medical instruments, and discloses an interventional ultrasound method and system for minimally invasive surgery, and the method comprises the steps: obtaining ultrasound image data and operation state parameters; a three-dimensional ultrasonic image model is constructed through multi-layer scanning, and an initial tissue feature evaluation model is analyzed and generated; dynamic blood vessel data and operation constraint conditions are loaded, a comprehensive evaluation model is generated, and puncture point dynamic simulation is carried out; constructing a dynamic blood vessel prediction model, training to obtain a puncture point adjustment model, and generating initial adjustment parameters; obtaining dynamic adjustment simulation information based on the parameters and the model; constructing a multi-path optimization model, and carrying out iterative optimization to obtain an optimal path planning parameter; the safety puncture probability is inferred in combination with real-time images, and a real-time puncture strategy is adjusted to achieve dynamic matching. The system comprises a data acquisition module, an image modeling and analysis module and the like. The safety and accuracy of minimally invasive surgery puncture are improved, and the method is suitable for interventional ultrasound guided minimally invasive surgery scenes.

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 present invention relates to a soft robotic arm, and specifically to a variable stiffness soft robotic arm for minimally invasive surgery and a method for using the same. The variable stiffness soft robotic arm for minimally invasive surgery includes a variable stiffness support arm and a sleeve mounted on the variable stiffness support arm. The sleeve includes a bending section and a torsion section. The bending section and the torsion section are respectively wrapped with multiple wire loops and spiral wires. The bending section and the torsion section are respectively provided with at least two or more chambers distributed radially along the variable stiffness support arm and connected to a charging and discharging module. The chambers are charged and discharged with medium to achieve bending and torsion of the robotic arm. The overall variable stiffness support arm, bending section and torsion section of the present invention have the same structure. The type of bending and torsion can be changed by simply changing the wire loops or spiral wires wrapped around the outer wall. This greatly simplifies the structural design and arrangement of the robotic arm, making it convenient to combine different bending sections and torsion sections according to actual needs, and has good compliance.

The utility model discloses a parallel detachable concentric tube robot for minimally invasive surgery. The parallel detachable concentric tube robot comprises an abdominal sheathing canal, a plurality of single-arm driving systems and flexible instrument arms, the multiple single-arm driving systems are connected in parallel, the single-arm driving systems are connected with the flexible instrument arms, the multiple flexible instrument arms are arranged in instrument arm channels formed in the abdomen entering sheathing canal respectively, and each flexible instrument arm comprises a plurality of concentric tubes; the single-arm driving system comprises a single-tube driving module, a guiding device and a concentric tube are arranged in the single-tube driving module, a driving mechanism, a linear transmission mechanism and a rotary transmission mechanism are arranged in the guiding device, the linear transmission mechanism and the rotary transmission mechanism are both connected with a driver in the driving mechanism, and the linear transmission mechanism is connected with the rotary transmission mechanism. The concentric pipe is installed on the rotary transmission mechanism, and the anti-collision device is arranged on the rotary transmission mechanism. The parallel type design is adopted, each guide device independently controls the corresponding concentric tube, and surgical instruments are convenient to replace.

The invention discloses 3mm-level micro rope-driven needle forceps for minimally invasive surgery, and belongs to the technical field of medical instruments, the needle forceps are composed of an instrument tube, an instrument base, an instrument wrist part, a forceps head and a superfine rope, and precise clamping and flexible rotation are cooperatively realized; the instrument tube is a hollow titanium alloy long rod and allows the superfine rope to penetrate through. The instrument base comprises a base connecting part and a forked cavity part, and the forked cavity part is provided with a superfine rope hole, an arc-shaped guide surface and an arc-shaped lug plate and is connected with the wrist part; the instrument wrist part is provided with a lug plate structure, a main body structure and a cross structure, the lug plate structure is provided with an annular groove and a shaft hole, the main body structure is provided with a superfine rope through hole, an additional material protrusion and a limiting swing angle, and the cross structure is provided with a protruding block, a limiting end and a limiting tong head; the clamp heads are two symmetrical clamp bodies, and clamp teeth are meshed in a crossed mode to improve stability. The superfine ropes are three sets of medical stainless steel ropes or tungsten wire ropes and drive the forceps head to be opened and closed and the wrist to rotate. The needle holding forceps are optimized in structure, accurate in operation, high in space adaptability and capable of meeting fine operation requirements of minimally invasive surgery.

A sacroiliac (SI) joint implant assembly addresses SI joint dysfunction and degenerative sacroiliitis. The assembly includes a first implant body, a second implant body, and a piezoelectric layer positioned between them. The piezoelectric layer generates electrical charges when subjected to mechanical stress, stimulating bone growth and enhancing stability of the SI joint after surgery. The implant bodies may feature non-planar surfaces to distribute compressive and shear forces unevenly across the piezoelectric layer. The assembly can be secured using fasteners such as screws, pins, or brackets, and may include porous or fenestrated bodies made from materials like titanium or polymers. Some implant assemblies are designed for minimally invasive surgical procedures, with configurations that allow for precise placement using guide wires and imaging techniques. The assembly aims to stabilize the SI joint and promote bone fusion, leveraging the piezoelectric effect to improve the overall efficacy of the fusion procedure.

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 relates to the technical field of medical robots, in particular to a shape sensing type bronchoscope robot control method, which comprises the following steps of: acquiring a tail end shape coordinate of a bronchoscope in a current bending state, and constructing a current bending state model of the bronchoscope; robot joint angle vectors are obtained through deformation state data collected in real time; according to the robot structure model, constructing a robot model in the current bending form; respectively constructing a bending part spring model and a joint spring model based on the stress conditions of the tail end control point and the bending part control point; lateral pressure borne by the bending part and the tail end of the bronchoscope in the current bending posture is collected and processed; self-adaptive control is realized based on the target control quantity; the shape of the bronchoscope is sensed in real time through multiple sensors, mechanical analysis is carried out in combination with a spring model, multi-strategy self-adaptive control is achieved, the accuracy, safety and efficiency of bronchoscope operation are improved, and powerful technical support is provided for bronchoscope examination and minimally invasive surgery.

The present invention discloses a robotic arm and a surgical robot. The robotic arm includes a drive box, a connecting rod, an end effector, and a first set of drive wires and a second set of drive wires passing through the connecting rod. The end effector includes a connecting component connected to the connecting rod and an end actuator connected to the connecting component; the drive box includes a base connected to the connecting rod, a first rotating shaft provided on the base, and a second rotating shaft provided on the first rotating shaft and rotating coaxially with the first rotating shaft; the first set of drive wires starts from the first rotating shaft and terminates at a first position of the connecting component, and the second set of drive wires starts from the second rotating shaft and terminates at a second position of the connecting component. The first position is a position away from the connecting rod, and the second position is a position close to the connecting rod. The end effector is driven by the first set of drive wires and the second set of drive wires to achieve movement in the corresponding degrees-of-freedom directions. The present invention can improve the flexibility of the robotic arm during minimally invasive surgical operations.

The invention discloses an ultrasonic motor temperature drift compensation control method and system based on deep reinforcement learning, and the method employs a dynamic smooth near-end strategy optimization algorithm to solve the problems of rotation speed misalignment and mechanical oscillation under the interference of temperature drift, and enables an existing temperature-speed coupling model to be embedded in a reinforcement learning environment to guide the exploration of an intelligent agent. Generating temperature and rotating speed prediction values in real time; designing a tracking error driven smooth intensity self-adaptive adjustment mechanism, preferentially improving the control precision in case of high error, and strengthening the action smoothness in case of low error to suppress oscillation; and meanwhile, a composite reward mechanism is constructed, speed tracking reward and frequency abrupt change penalty are fused, and control accuracy and system stability are collaboratively optimized. Experiments show that the average absolute error of constant value tracking under temperature drift interference is as low as 0.208 rpm and is reduced by 83.0% compared with PID, the variable speed tracking error is only 0.359 rpm, the amplitude is reduced by 87.5%, the convergence speed is increased by 40-50%, the accumulative reward reaches 93%, and a robust control solution of millisecond response is provided for aerospace precision mechanisms, minimally invasive surgical instruments and other scenes.

The utility model discloses a kind of visual microinvasive injectors for living body cultivation gall, belong to the technical field of pharmaceutical manufacturing.A kind of visual microinvasive injector for living body cultivation gall, including upper shell, lower shell, limit ring, sealing plate, bottom plate, sealing ring, buckles and support block, the upper shell is sleeved in the surface of lower shell and limit ring, the limit ring is sleeved in the surface of injector barrel, limit ring one end extends to the outside of upper shell, and the other end is penetrated to the inside of lower shell.The utility model is designed as integrally-formed injector, minimally invasive surgery and visualization technology are integrated, simplify surgical procedure, even non-professional technical personnel can quickly master operation method.Integrally-formed design reduces different tools needed to switch or use in cooperation in surgery, reduces surgery time, reduces operation complexity, improves surgery efficiency and safety.

Embodiments of the present disclosure are directed to stents, valved-stents, and associated methods and systems for their delivery via minimally-invasive surgery.

The invention discloses a minimally invasive surgery taking-out device and a minimally invasive surgery taking-out system. The minimally invasive surgery taking-out device can comprise a passage assembly, a clamping assembly and a snare assembly. The access assembly is used for establishing a surgical access for surgical operation and comprises a first sheathing canal provided with an operation window, a first handle connected with the near end of the first sheathing canal, a first bending adjusting piece, a first locking piece and a first drawing wire. The first bending adjusting piece and the first locking piece are located on the first handle. The first drawing wire is pre-buried in the first sheath tube, one end of the first drawing wire is connected with the first bending adjusting piece, the other end of the first drawing wire extends to the far end of the first sheath tube, and the first bending adjusting piece is used for driving the far end of the first sheath tube to bend through the first drawing wire and fixing the first drawing wire through the first locking piece; the clamping assembly and the snare assembly can be used for extending into the operation passage and extending out of the operation window of the first sheath tube; the clamping assembly is used for clamping a cut target extraction object, and the snare assembly is used for cutting the target extraction object and taking out the target extraction object through the clamping assembly.

This invention discloses a pitch adjustment component, a doctor's console adjustment mechanism, and a minimally invasive surgical robot, comprising: a fixed component, a movable component adapted to pitch movement relative to the fixed component, and a drive structure disposed between the fixed component and the movable component; wherein the drive structure includes a movable arm, a push-pull block pivotally engaged with one end of the movable arm, and a power unit disposed on the movable component for achieving sliding engagement between the push-pull block and the movable component; the end of the movable arm away from the push-pull block is pivotally connected to the fixed component; when the push-pull block slides in the movable component along a first direction, the movable component pitches upward relative to the fixed component; and when the push-pull block moves in the movable component along a second direction opposite to the first direction, the movable component pitches downward relative to the fixed component. This invention can achieve a simplified structure to realize pitch adjustment of the doctor's console during use, thereby reducing the wear rate of the overall structure's parts.

Systems, devices, and methods for controlling cooperative surgical instruments are provided. Various aspects of the present disclosure provide for coordinated operation of surgical instruments accessing various surgical sites from different or shared surgical approaches to achieve a common or cooperative surgical purpose. For example, various methods, devices, and systems disclosed herein can enable the coordinated treatment of tissue by disparate minimally invasive surgical systems that approach the tissue from varying anatomical spaces and must operate differently, but in concert with, one another to effect a desired surgical treatment.

A modular access medical system configured to enable a surgeon to conduct a medical procedure in fluid contained within a defined space is disclosed. As such, the system increases visibility to an operating surgeon by eliminating smoke and other vapors formed during use of a medical instrument at the surgical site. The modular access medical system may be formed from a distal end of a cannula configured to be placed into contact with tissue such that fluid can be administered within the cannula and retained therein to facilitate a surgical procedure to be conducted via one or more instruments extending through fluid contained within the cannula.

1. Name of the product under this design: Medical cannula. 2. Purpose of this design product: used for medical cannulas, providing a channel for surgical instruments or endoscopes to enter the patient's cavity during minimally invasive surgery. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. The rear view of Design 1 is the same as the main view of Design 1, so the rear view of Design 1 is omitted; the right view of Design 1 is symmetrical with the left view of Design 1, so the right view of Design 1 is omitted; the rear view of Design 2 is the same as the main view of Design 2, so the rear view of Design 2 is omitted; the right view of Design 2 is symmetrical with the left view of Design 2, so the right view of Design 2 is omitted; the rear view of Design 3 is the same as the main view of Design 3, so the rear view of Design 3 is omitted; the right view of Design 3 is symmetrical with the left view of Design 3, so the right view of Design 3 is omitted; the rear view of Design 4 is the same as the main view of Design 4, so the rear view of Design 4 is omitted; the right view of Design 4 is symmetrical with the left view of Design 4, so the right view of Design 4 is omitted. 6. Designate Design 1 as the base design.

The utility model discloses an ultrasonic knife, an ultrasonic transmission assembly and a minimally invasive surgery robot, and belongs to the technical field of medical instruments. The ultrasonic knife comprises a knife rod and a knife head, the knife rod comprises a first rod part, a second rod part, a third rod part and a fourth rod part which are sequentially connected, the knife head is connected to the fourth rod part, the third rod part comprises a plurality of segments, each segment comprises a thin cylindrical part and a thick cylindrical part, the thin cylindrical part is connected with the second rod part, and the thick cylindrical part is connected with the fourth rod part; at least part of the thin cylindrical parts are different in length, and at least part of the thick cylindrical parts are different in length. The multiple sections are divided into a plurality of first sections and a plurality of second sections, the diameters of the first sections are different from those of the second sections, the lengths from the first rod part to the fourth rod part are 15.1 mm, 7.8 mm, 528.1 mm and 0.7 mm in sequence, the cutter rod is effectively prevented from being broken, and the cutting frequency is increased.

The invention discloses a minimally invasive scalpel welding device, and belongs to the technical field of precision manufacturing of medical instruments, the minimally invasive scalpel welding device comprises a feeding base, one side of the feeding base is connected with a connecting base, and the top of the connecting base is provided with a welding assembly and a supporting assembly. According to the minimally invasive scalpel welding device, scalpels can be positioned through the positioning assembly, the position can be adjusted in cooperation with the moving assembly, the minimally invasive scalpel welding device is suitable for welding work of minimally invasive scalpels of different sizes, all-directional welding work can be automatically conducted, welding slag and welding fume are automatically cleaned, safety and working efficiency are improved, and the device is very practical.

Provided are bone plates and systems including such plates. The present plates may be used for example, to accommodate spinolaminar junction or as a plate locking screw system for posterior spinal fixation in the cervical, thoracic, lumbar and sacral spine, extremities, pelvis and long bone fixation. The present devices and systems may include modular plates, rods and rails. Devices and systems herein relate to both open methods and minimally invasive surgery applications. Also provided are locking plates and systems relating to tethering applications. Further provided are kits including any of the present kits or devices, and methods including insertion of any of the present plates or systems into a patient.

A device for the introduction and delivery of a self-adhesive surgical patch during minimally invasive surgery is disclosed. The device comprises a base that can be compressed to fit within a tubular member with an inner diameter of 5 mm. In a preferred embodiment of the invention, the base comprises a frame made of a compliant material. The patch is attached to the frame while the frame is in a planar, open configuration. Pressure is then applied to opposite sides of the frame to compress the frame to a straight, closed configuration small enough to penetrate a tubular member with an inner diameter of 5 mm. After penetrating the tubular member, the frame reopens to its open configuration, allowing the patch to be delivered and applied to the target tissue. A kit for providing the device is also disclosed.

The invention belongs to the technical field of minimally invasive surgery robots and medical instruments, and discloses a modular self-telescopic steerable arthroscope system based on a rod-driven continuum structure. The system is mainly composed of a modular arthroscope body and a driving system with closed-loop control capability. The system has the flexibility of a continuum robot, the flexibility of the arthroscope in an unstructured environment is enhanced, the visual range of the arthroscope is widened, and the surgical risk during use is reduced. Due to the modular design, the expansibility of the arthroscope is enhanced, and meanwhile no-dead-corner disinfection of the whole structure is facilitated. The telescopic characteristic ensures that the camera module is prevented from being injured before entering a human body, and meanwhile, the bending radius is adjustable.

A bone alignment system to correct a hallux valgus deformity includes a main body including an intramedullary (IM) hook, the IM hook including an end portion sized and configured to be inserted into an intramedullary canal of at least one of a first fragment or a second fragment of a bisected metatarsal; and a screw assembly including a screw threaded through the main body and a skin-interfacing portion attached to a first end of the screw, wherein the main body defines an aperture that extends through the main body and is sized and configured to guide a guide pin for anchoring the main body to the metatarsal.