231 results about "Minimal invasive surgery" patented technology

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 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 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.

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.

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.

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.

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.

The embodiment of the invention provides an instrument off-screen display method and device for a minimally invasive surgery robot, equipment and a medium. The method comprises the steps that if it is determined that the instrument tail end of the minimally invasive surgery robot meets the off-screen display requirement, multiple pieces of first position information are determined according to first sensor data of the minimally invasive surgery robot; carrying out fusion processing on the plurality of pieces of first position information to obtain a target positioning result of the tail end of the instrument; and if it is determined that the instrument tail end is off-screen according to the target positioning result, performing off-screen display on the instrument tail end according to the target positioning result. The method is used for improving the accuracy of off-screen display of the minimally invasive surgery robot and further improving the off-screen display performance.

The utility model relates to the technical field of orthopaedic minimally invasive surgery robots, and discloses a flexible mechanical arm for orthopaedic minimally invasive surgery, which comprises a base and a supporting seat, the top end of the base is fixedly connected with the supporting seat, and a first mounting groove is arranged in the supporting seat. According to the flexible mechanical arm for the minimally invasive surgery in the orthopedics department, during surgery, operation is conducted through a robot host after the mechanical arm is connected, surgery operation is conducted after a drill bit is correctly positioned, when the drill bit enters a vertebral pedicle to make contact with a first layer of cortical bone, vibration is strengthened, and when the drill bit breaks through the first layer of cortical bone, vibration is reduced; the flexible electron senses changes of vibration and pressure, the drill bit is stopped through an algorithm, and therefore the situation that the drill bit moves forwards excessively and causes iatrogenic injury is avoided, whether the drill bit is located at the optimal position or not can be sensed in real time in the operation process by setting the optimal pressure value and the optimal frequency value, and the operation efficiency is improved. The problem that operation guidance cannot be accurately conducted in the operation in real time is solved.

The invention discloses a perfusion type kidney aorta blocking balloon assembly which comprises a balloon, one end of the balloon is communicated with one end of a communicating pipe, an injection pipe is arranged on the inner side of the balloon, the end of the injection pipe extends to the outer side of the balloon, and the ends, away from the balloon, of the injection pipe and the communicating pipe are each provided with a connector. The waterproof piece is slidably arranged outside the communicating pipe in a sleeving mode and comprises a water blocking cover and an adsorption cover, and the water blocking cover and the adsorption cover are arranged outside the communicating pipe in a sleeving mode and can slide along the outer wall of the communicating pipe; the water blocking cover is closer to the balloon than the adsorption cover, and the adsorption piece is used for adsorbing the adsorption cover to the skin surface of a patient. According to the blocking balloon assembly, when a surgical puncture hole for minimally invasive surgery and communicating pipe infusion is exposed, condensed water drops are isolated through the movable waterproof piece, the adsorption cover is tightly attached to the skin through the adsorption piece, the puncture hole is prevented from being polluted by the water drops, and air exposure of a wound is reduced; therefore, the infection probability is reduced and the surgical operation safety is improved.

The present invention relates to a minimally invasive electronic device for implantation in a living body, aiming to detect signals within the body, stimulate the body, or release drugs through various methods. Through interaction between the internal and external environments of the living body, the invention is intended for use in various purposes such as diagnosis, treatment, and research.

The utility model provides an ultrasonic-photoacoustic composite laparoscope and an ultrasonic-photoacoustic imaging system. The ultrasound-photoacoustic composite laparoscope comprises an insertion part and a head end part, the head end part is connected to the far end of the insertion part, the ultrasound-photoacoustic composite laparoscope further comprises a light guide part, the light guide part is located outside the insertion part, and the far end of the light guide part is connected to the head end part. According to the ultrasonic-photoacoustic composite laparoscope, ultrasonic imaging, photoacoustic imaging and ultrasonic-photoacoustic imaging can be achieved, and therefore large-depth high-resolution, high-contrast and high-sensitivity structural imaging and functional imaging of an organizational body can be achieved, and the accuracy rate of in-vivo diagnosis is greatly improved. According to the ultrasound-photoacoustic composite laparoscope, the light guide part is externally connected to the insertion part, and the overall dimension of the insertion part can be smaller, so that the space utilization rate of the insertion part can be higher, and the effect of the ultrasound-photoacoustic composite laparoscope used for minimally invasive surgery is better.

The utility model discloses a spine endoscope minimally invasive surgery embracing type spike tooth bone grasping forceps, which comprises a first clamping jaw, a second clamping jaw, a fixing rod and a handle, the first clamping jaw is rotatably connected with the second clamping jaw, the second clamping jaw is fixedly arranged at one end of the fixing rod, the handle is arranged at the other end of the fixing rod, and the handle is fixedly connected with the first clamping jaw. The handle is used for controlling the rotating angle of the first clamping jaw relative to the second clamping jaw. According to the embracing type spike tooth bone grasping forceps for the spine endoscope minimally invasive surgery, the opening angle is increased through the first clamping jaw and the second clamping jaw, meanwhile, when a broken bone is grasped, the second clamping jaw is matched with the arched first clamping jaw, the first sharp teeth and the second sharp teeth can stretch into the side face of the broken bone to embrace the bone block, and the broken bone is convenient to grasp.

This invention discloses a pressure measurement device for human tissue, comprising a support body and a measurement unit. A detection area is provided on the side of the support body that contacts the human tissue. The measurement unit includes a pressure measuring element and a piezoelectric signal integration module. The piezoelectric signal integration module includes a circuit board and a pressure sensor integrated on the circuit board. The pressure sensor receives pressure information generated by the pressure measuring element. This pressure measurement device for human tissue allows surgical instruments to be inserted into the human body with the measuring device during minimally invasive surgery, without the risk of infection or sharp edges, effectively avoiding damage to human tissue. It eliminates the need to remove the human tissue from the body, enabling pressure measurement of the target human tissue inside the body. The human tissue directly adheres to the pressure measuring element, allowing the pressure sensor to receive pressure information and transmit it to the circuit board. The circuit board then further transmits the information to other devices, facilitating the smooth progress of the surgical procedure.

The application discloses a mortise and tenon type rack slider, a main hand opening and closing clamp and a minimally invasive surgery robot. The mortise and tenon type rack slider comprises a slider main body part which is arranged on a guide rail and used for coupling a main hand opening and closing clamp operating part, and a slider embedding part which is embedded with the slider main body part and used for transmission. In the application, the mortise and tenon type rack slider, the main hand opening and closing clamp and the minimally invasive surgery robot are used. The embedding type arrangement of the slider embedding part and the slider main body part can greatly reduce the machining difficulty of the rack part on the slider embedding part. The mortise and tenon type rack slider is only composed of the slider embedding part, the slider main body part and a limiting part. Through the limitation of the embedding direction of the slider embedding part and the guide rail hole combination mode, the guide rail can be directly used as the limiting part, so that the structure of the mortise and tenon type rack slider is further simplified, and the manufacturing cost is reduced and the working stability is improved.

The invention provides a handle for a breast minimally invasive surgery and a surgical machine. The handle comprises a handle body and a puncture rotary cutting tool bit, and a sampling key is arranged on the handle body; the sampling bin is communicated with the puncture rotary cutting tool bit through a negative pressure sampling channel and is used for receiving a sample cut by the puncture rotary cutting tool bit, and the sampling bin is provided with a first sampling port and a second sampling port; the position changing piece is rotationally arranged in the sampling bin, a plurality of sampling grooves are distributed in the position changing piece in the circumferential direction, and the sampling grooves are sequentially communicated with the negative pressure sampling channel through rotation of the position changing piece; and a continuous mode and a stalling mode are realized through the transposition piece under the control of the sampling key. The problem that in the prior art, a tissue sample in the minimally invasive breast surgery needs to be moved away by a specially-assigned person, and consequently manpower is wasted is solved.

The utility model provides an inflation and deflation position control type liver lifting device which is characterized in that a first clamping part and a first connecting part are sequentially arranged on the side, facing an auxiliary air bag, of a main air bag from top to bottom, and a second clamping part and a second connecting part are sequentially arranged on the side, facing the main air bag, of the auxiliary air bag from top to bottom; a clamping gap matched with the liver is formed between the first clamping part and the second clamping part, the first connecting part is connected with the second connecting part, and at present, in the liver minimally invasive surgery process, a processing tool capable of lifting the corresponding position of the liver according to needs and conducting directional micro-motion in the preset direction does not exist. The moving direction of the device is consistent with the preset direction, when the main air bag and the auxiliary air bag are inflated through the front catheter and the rear catheter, the liver is directionally and slowly pushed to the preset position according to needs, and a more visual operation view is provided for a doctor in the liver cutting process.

The utility model discloses an optical eyepiece collimate detection board, including carrier plate and a plurality of reference objects, and the surface of carrier plate has detection instruction area and reference target area, and detection instruction area has the index standard for prompting optical eyepiece detection, and a plurality of reference objects are established in reference target area to supply optical eyepiece imaging observation. According to the utility model embodiment provided optical eyepiece collimate detection board, through setting detection instruction area and reference target area on the carrier plate surface, help medical staff to realize the quick, intuitive inspection to optical eyepiece. The index standard in detection instruction area provides the clear check instruction of medical staff, ensures the standardization of check process, and the check efficiency is high, and a plurality of reference objects are set in reference target area, and then provide unified and reliable target imaging pattern for optical eyepiece, make the detection effect of optical eyepiece more comprehensive and accurate, improve the use reliability and safety of optical eyepiece in minimally invasive surgery.

The invention discloses a suture needle holder for a minimally invasive surgery robot in the field of minimally invasive surgery robos.The needle holder comprises a cylindrical shell, two wedge-shaped clamping blocks, a pull disc, a reduction gear set and a motor which are all integrated in the cylindrical shell, a V-shaped opening is formed in the end of the cylindrical shell, and the two wedge-shaped clamping blocks can slide in the V-shaped opening; and the motor drives the reduction gear set, the low-speed end of the reduction gear set converts rotary motion into axial displacement of the pull disc through screw-thread fit, and the axial displacement of the pull disc drives the two wedge-shaped clamping blocks to generate parallel radial clamping motion. Two-stage acting force amplification is achieved through the reduction gear set and the wedge-shaped clamping block structure, and high-precision clamping force control can be achieved through a low-precision motor.

A suturing device for minimally invasive surgery is disclosed. The suturing device has a head defining one or more ferrule holders and a tissue bite area. The device also has a first needle comprising a flywheel portion and one or more curved arms extending from the flywheel portion, each of the one or more curved arms comprising a ferrule engaging tip, wherein the first needle is pivotably coupled to the head. The suturing device further has a first actuator coupled to the first needle and configured to rotate it from a retracted position, where the ferrule engaging tip of each of the one or more curved arms starts away from the one or more ferrule holders, through the tissue bite area, and to an engaged position where the ferrule engaging tip of each of the one or more curved arms is operationally aligned with the one or more ferrule holders.

1. The name of the design product: wireless endoscope (4K). 2. The use of the design product: for endoscopy diagnosis; provide convenient operating environment for minimally invasive surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of nailing devices, and discloses an internal locking type nailing device which comprises a guide nail, the guide nail is sleeved with a spring clamp, a spring support is a cylinder, a plurality of longitudinal holes are formed in the spring support, a locking bolt is arranged outside the spring clamp, a spring sleeve is arranged outside the locking bolt, and the spring sleeve is sleeved with the spring clamp. Six through holes are formed in the spring sleeve, a sliding sleeve is arranged outside the spring sleeve, a locking connecting sleeve is arranged outside the sliding sleeve, a connecting hole is formed in the inner wall of the locking connecting sleeve, and a hand wheel is arranged outside the locking connecting sleeve in a sleeving mode. The guide needle and the screw feeding device can be rigidly connected in the process that the screw tap is screwed in or the vertebral body screw is implanted, the situation that the guide needle accidentally moves forwards due to rotation or advancing of a tool is avoided, the risk that the guide needle penetrates out of a vertebral body and penetrates into an internal organ is fundamentally eradicated, and the safety of a minimally invasive surgery is greatly improved.