125 results about "Minimally invasive procedures" patented technology

A system for performing minimally invasive procedures in a body lumen of a patient including a flexible catheter having a first lumen configured and dimensioned to receive an endoscope therethrough and a second lumen configured and dimensioned to receive a first flexible tube therethrough. The first flexible tube is movable through the second lumen and has a distal portion including a first curve extending in a first direction with respect to the longitudinal axis and a second curve extending in a second different direction with respect to the longitudinal axis. A retractor system is positioned at a distal portion of the catheter and is movable from a non-expanded insertion position to an expanded position forming an expanded cage to form a larger working space. The distal portion of the first flexible tube is movable within the expanded cage.

Disclosed herein are systems and methods related to a novel robot for MRI guided intervention that are compatible with different MRI scanners, particularly low field scanners with apertures. The systems and methods disclosed herein may allow for precise minimally invasive procedures.

The invention discloses a double-end endoscope robot for lung tumor nodule minimally invasive surgery, and relates to the technical field of medical instruments. The system comprises a header pipe, a first endoscope robot and a second endoscope robot are arranged in the header pipe, the first endoscope robot is composed of a first semicircular flexible inner pipe, a first mechanical arm and a first surgical head connector, and the second endoscope robot is composed of a second semicircular flexible inner pipe, a second mechanical arm and a second surgical head connector. And the overall outer diameter of the second endoscope robot is the same as the inner diameter of the first semicircular flexible inner tube. According to the double-headed robot, the two semicircular flexible inner tubes are arranged, the semicircular flexible inner tubes on the double-headed robot can be converted into whole round tubes after separation, the whole round tubes are kept stable in respective bronchus, double headed operation can be conducted at the same time, physical conflicts cannot be generated, the needed space is small, the double-headed robot is suitable for lung minimally invasive surgery, and the surgery time can be greatly shortened.

The application relates to the field of minimally invasive surgical instruments, in particular to a surgical robot end opening and closing device and a surgical robot end mechanism. The surgical robot end opening and closing device comprises an execution assembly, the execution assembly comprises a fixed finger and a movable finger, the fixed finger is configured to be fixedly assembled, the first end of the movable finger is hingedly matched with the fixed end of the fixed finger, and the second end of the movable finger is configured to be a free end; an opening and closing driving assembly comprises an opening and closing push rod and an opening and closing linear driving module, and the opening and closing linear driving module drives the movable finger to deflect through the opening and closing push rod. The technical problems of the prior art that the surgical robot end mechanism has many parts, is heavy, large in size and poor in stability are solved.

The subject matter of the present invention is an instrument guidance device for supporting the performance of a minimally invasive intervention on the body of a living being by means of an imaging system, comprising a sensor unit and a housing which includes a bottom and a top, wherein the bottom of the housing is the side facing the body of the living being when the instrument guidance device is used, and the top of the housing is the side facing away from the body of the living being when the instrument guidance device is used, and the top is arranged opposite the bottom of the housing, characterized in that the sensor unit is a wireless sensor unit which consists of a metamaterial and is arranged between the bottom and the top inside the housing, and that the top and the bottom of the housing each have an array,each having at least one opening for the insertion of an instrument. Furthermore, the present invention relates to a system comprising an instrument guidance device for performing a minimally invasive intervention on the body of a living being.

A laparoscopic suturing device is provided. The suturing device can pass a suturing needle back and forth between jaws of a jaw assembly to suture tissue at a surgical site in a minimally invasive procedure. The jaw assembly can have a pivotable jaw member in each jaw to position the jaw assembly and needle in a low-profile stowed configuration for insertion through a low diameter surgical port. The jaw assembly can be actuated by a handle assembly that provides simultaneous needle passing from a driving jaw to a receiving jaw and latching the needle within the receiving jaw in a single trigger cycle.20 24 22 73 26 15 O ct 2 02 4 A B S T R A C T O F T H E D I S C L O S U R E 2 0 2 4 2 2 7 3 2 6 1 5 O c t 2 0 2 4

This application relates to the field of medical device technology, and in particular to a minimally invasive dilation and drainage kit, comprising a sheath body and a dilator. The dilator is fixedly and detachably assembled to the end of the sheath body. An annular groove is provided on the outer peripheral wall of the end of the sheath body near the dilator. A hemostatic ring assembly and a cooling ring assembly are disposed within the annular groove. Both the hemostatic ring assembly and the cooling ring assembly are connected to the control part of a minimally invasive surgical device via wires. The wires are either attached to the outer peripheral wall of the sheath body or pre-embedded inside the sheath body. When energized, the hemostatic ring assembly heats up to warm the bleeding point on the blood vessel wall and promote scab formation. When energized, the cooling ring assembly cools down to cool the bleeding point on the blood vessel wall. This minimally invasive dilation and drainage kit not only conceals the hemostatic ring assembly and the cooling ring assembly within the annular groove, but also integrates the sheath with dual functions of hemostasis and cooling, greatly reducing the frequency of using coagulation forceps and alleviating patient suffering.

The invention belongs to the technical field of image processing, and discloses a hepatobiliary calculus surgery image navigation and positioning system, which is configured to realize non-rigid registration of adaptive multi-stage fusion, dynamically adjust registration weights of surface and deep features according to environmental changes in surgery, and realize image navigation and positioning of the hepatobiliary calculus surgery. It is ensured that a continuous high-precision dynamic three-dimensional model is provided in the whole process; predictive virtual tactile feedback based on biomechanical simulation is realized, and tissue tension perception and damage early warning beyond real tactile sense are provided for doctors by calculating stress and strain of a tissue model in real time; the intelligent quantification of the stone residual risk based on multi-source information fusion is realized, and the stone residual risk is quantified and visualized with high confidence by fusing the surgical operation history and the intraoperative fluorescence function image. According to the invention, a closed-loop navigation platform integrating high-precision environment perception, predictive process control and intelligent result quality control is constructed, and the precision and safety of auxiliary tools for minimally invasive surgery of hepatic duct calculi are improved.

This application discloses an ionized flexible three-dimensional force sensor and its fabrication method, relating to the field of flexible sensor technology. The ionized flexible three-dimensional force sensor includes a flexible substrate, a flexible encapsulation film, a tangential force sensing electrode group, a normal force sensing electrode group, an ion conductor, and an ion material film. The tangential force sensing electrode group includes four side electrodes and a ring-shaped central electrode, with microstructures on the outer side of the ring-shaped central electrode. The normal force sensing electrode group includes interdigital electrodes. Based on an ionized sensing mechanism, this invention achieves ultra-thinness and high tangential sensitivity through innovative structural design, while simultaneously achieving complete decoupling of normal and tangential forces, eliminating signal crosstalk, and accurately measuring the magnitude and direction of three-dimensional forces without complex decoupling algorithms. It is suitable for applications with limited space, such as robotic fingertips and minimally invasive surgery.

Methods are provided for aesthetic restoration and reconstruction of bone loss, deficit, defect, or a combination thereof. The methods include administration of one or more suitable bone derived compositions by a minimally invasive procedure such as injection using a needle, syringe, etc., placement in or through a small incision, or a combination thereof. The properties and characteristics of the bone derived composition, including without limitation, flowability, injectability, size, shape, and physical form, are limited only by the requirement that they are capable of administration by a minimally invasive technique. For example, these methods are effective for restoration of facial features, e.g., lost chin definition, jawline definition, bone around nasal lines, and bone around the upper and lower eye area. These methods are also effective for treatment of bone deficiency and loss in other body features such as shoulders and collarbones, pelvis, feet, ankles, hands, and wrists.

1. The name of the design product: minimally invasive surgery robot doctor console. 2. The use of the design product: for cooperation with the master hand arm to control the slave operation device to perform surgical operation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. The bottom of the design product is not easy to see or not visible during use, omit design 1 view; The bottom of the design product is not easy to see or not visible during use, omit design 2 view. 6. Design 1 is designated as the basic design.

The present application relates to a kind of wrist joint and minimally invasive surgery robot and knee arthroscopy surgery robot, the knee arthroscopy surgery robot includes remote end 2 degrees of freedom wrist joint, 1 degree of freedom flexible mechanical arm, rigid insertion sheath, wire transmission device, bending drive device and gear transmission device;Wherein, by integrating endoscope module in wrist joint terminal, to realize the intelligent exploration in knee joint cavity;By the 2 degrees of freedom movement of wrist joint, realize the local intelligent adjustment of endoscope field of view;By the 1 degree of freedom bending movement of flexible mechanical arm, realize the large range bending movement and safety interaction of endoscope;By controlling the extension and retraction of rigid insertion sheath, it is convenient for doctor to control endoscope to enter knee joint cavity from knee joint incision smoothly, also can change the bending radius of flexible joint in flexible mechanical arm by regulating the extension amount of rigid insertion sheath, to realize the intelligent adjustment of endoscope field of view in large range and small range.

An Achilles tendon repair that provides a minimally invasive surgical procedure that requires at least two medical devices comprising: at least one fascial elevator separator and at least one suture passer elevator separator with a paddle guide that assist with repair of Achilles tendons wherein a fascial elevator separator paddle guide that has a U-shaped portion at a distal end provides separation of a Paratenon from an Achilles tendon and also provides a surgical plane along a designated length of the Achilles tendon that eliminates a possibility of damage to either the Sural Nerve or Saphenous Vein. The suture passer elevator separator also provides for precise placement of multiple locking sutures along the medial and lateral free edge if the Achilles tendon which allows even tensioning of the surgical repair.

This utility model relates to a multi-channel working device for minimally invasive surgery, belonging to the field of minimally invasive surgical equipment technology. It includes a base plate, a tray mounted on top of the base plate, an electric rail mounted on the side of a support column on the tray, a slide on the electric rail, and a support arm connected to the slide. A platform and a hanging plate are respectively mounted at both ends of the support arm. A medication tube is fixedly placed on the platform. A disinfection tube is fixedly installed on the top outer side of the hanging plate, and a tube plate is fixedly installed on the bottom outer side of the hanging plate. A medication delivery tube, a disinfection tube, and a vertical rod are fixedly installed inside the tube plate. A endoscopic probe is fixedly installed at the bottom of the vertical rod. This utility model allows for medication delivery, disinfection, and surgical image control during minimally invasive surgery, greatly reducing the number of medical staff involved and making surgical scheduling more timely and flexible. Simultaneously, this utility model significantly improves the efficiency of medical team collaboration, thereby ensuring high-quality surgical completion and reducing the failure rate of minimally invasive surgery.

Systems and methods for preventing the seeding of cancerous cells during morcellation of a tissue specimen inside a patient's body and removal of the tissue specimen from inside the patient through a minimally-invasive body opening to outside the patient are provided. One system includes a cut-resistant tissue guard removably insertable into a containment bag. The tissue specimen is isolated and contained within the containment bag and the guard is configured to protect the containment bag and surrounding tissue from incidental contact with sharp instrumentation used during morcellation and extraction of the tissue specimen. The guard is adjustable for easy insertion and removal and configured to securely anchor to the body opening. Protection-focused and containment-based systems for tissue removal are provided that enable minimally invasive procedures to be performed safely and efficiently.

This utility model relates to a medical robotic gripper, belonging to the field of minimally invasive surgical instrument technology. It includes a working part, a transition connecting part, and a gripping part. The gripping part includes a handle. A finger shaft is placed on the left side of the handle, extending through the handle and into its interior. A gripping finger is fixedly connected to the bottom surface of the finger shaft. A winding wheel is connected to the finger shaft. A transition shaft is rotatably connected inside the handle. A transition winding wheel is fixedly installed on the outer peripheral wall of the transition shaft. A reversing shaft is rotatably connected inside the handle. A reversing shaft wheel is fixedly installed on the outer peripheral wall of the reversing shaft. This medical robotic gripper adopts a modular design, facilitating assembly by medical personnel, simplifying the mechanical structure, reducing the quantity and cost of consumables for minimally invasive surgery, lowering the learning threshold, and reducing the cost of minimally invasive surgery procedures and training. Furthermore, the gripping finger facilitates use by different operators, making it more convenient and practical.

Systems and methods for preventing the seeding of cancerous cells during morcellation of a tissue specimen inside a patient's body and removal of the tissue specimen from inside the patient through a minimally-invasive body opening to outside the patient are provided. One system includes a cut-resistant tissue guard removably insertable into a containment bag. The tissue specimen is isolated and contained within the containment bag and the guard is configured to protect the containment bag and surrounding tissue from incidental contact with sharp instrumentation used during morcellation and extraction of the tissue specimen. The guard is adjustable for easy insertion and removal and configured to securely anchor to the body opening. Protection-focused and containment-based systems for tissue removal are provided that enable minimally invasive procedures to be performed safely and efficiently.

This application relates to the field of interventional medical devices and discloses a covered stent, including a cover, a support component, and a cut bare stent. The support component includes multiple support coils arranged along a first direction, all of which are disposed on the cover to support it. The cut bare stent is connected to one end of the cover. The cut bare stent includes a connected support portion and an extension portion. The support portion is located outside the cover and is used to abut against and support the inner wall of the blood vessel. The diameter of the support portion gradually increases along the direction away from the extension portion. The extension portion extends along the first direction to the inner side of the end of the cover, and at least a portion of the extension portion overlaps with the support component. The first direction is the direction from the distal end of the covered stent to the proximal end. The covered stent of this application can improve the sealing between the end of the covered stent and the blood vessel wall, ensuring the success rate of minimally invasive surgery and facilitating disease treatment.

A surgical instrument comprises a body; a vision module combined with the body, the vision module having a camera with a field of view covering a distal end of the surgical instrument, wherein the distal end of the surgical instrument occupies no more than 50% of the area of the field of view; and a lighting directed towards the field of view.

The present application relates to the technical field of medical devices, in particular to a bendable minimally invasive surgery electric hook integrated with a smoking function; comprising a smoking pipe, a handle assembly, an electrode pipe, a multi-stage bending assembly and an electric hook; the smoking pipe is fixedly connected to the smoking outer pipe of the handle assembly, an adjusting piece is movably connected to the end of the handle assembly, the electrode pipe is arranged through the adjusting piece and fixedly arranged in the handle assembly, a control module is built-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 pipe, a movable piece is fixedly connected with a steel wire group arranged in the electrode pipe, and the electric hook is fixedly arranged at the end of the extended end of the electrode pipe and extends out; the movable piece is driven to move in the electrode pipe by controlling the adjusting piece, and in turn drives the steel wire group to pull the multi-stage bending assembly to bend; the bending electric hook can be integrated with a real-time smoking function in the scene of flexible bending, and the coordination problem of bending operation and smoke removal in minimally invasive surgery is solved.

This specification discloses a novel robotic system and method for MRI-guided interventions, adapted to various MRI scanners, particularly low-field scanners with small bores. The system and method disclosed herein enable precise, minimally invasive procedures.

This invention discloses a hemostatic bone wax delivery device for minimally invasive spinal surgery, belonging to the technical field of minimally invasive spinal surgical instruments. The device includes a handle with a movable groove at its top and a first mounting groove at its bottom. A fixed seat is located at the bottom of the first mounting groove, and a telescopic mechanism is installed at its center. A pushing mechanism is installed within the movable groove, providing thrust to the telescopic mechanism. This invention, through the design of the handle, telescopic mechanism, and pushing mechanism, converts mechanical energy into kinetic energy using the mechanical principles of instruments. It allows the hemostatic bone wax to be firmly pressed onto the bleeding point by the pressure of a spring component without requiring the surgeon to rotate their wrist. Furthermore, it eliminates the need for wrist rotation; simply pushing the handle does not interfere with the surgeon's view of the camera, thus improving surgical outcomes.

This utility model discloses a minimally invasive scalpel sharpening fixture, including a positioning block. The positioning block includes a mounting surface with multiple protrusions. A receiving groove for accommodating a scalpel holder assembly is formed between the protrusions. A limiting protrusion that abuts against the scalpel holder assembly is provided within the receiving groove. The positioning block has a contoured mounting hole, through which a contoured limiting rod passes. The contoured limiting rod has a limiting position that extends out of the mounting surface and a retracted position that is received within the contoured mounting hole. In use, when the contoured limiting rod is in the limiting position, it can cooperate to limit and fix the scalpel holder assembly; when the contoured limiting rod is in the retracted position, it can avoid and, through the limiting protrusion, limit and fix another type of scalpel holder assembly. Therefore, this sharpening fixture is adaptable to different types of scalpel holder assemblies.

A method and devices for relieving pressure in the left atrium of a patient's heart is disclosed. The method includes using an ablative catheter in a minimally invasive procedure to prepare an opening from the coronary sinus into a left atrium of the patient's heart. Once the opening is prepared, the opening may be enlarged by a technique such as expanding a balloon within the opening. A stent is then placed within the coronary sinus of the patient, with a transverse portion expanding within the opening, allowing blood to flow from the left atrium to the coronary sinus and then to the right atrium. Pressure within the left atrium is thus relieved.

A medical catheter (100) with enhance structural integration and performance is disclosed. The catheter features a flexible shaft (102) with a proximal portion (104) formed from a proximal shaft component and a distal portion (106) formed from a distal shaft component. A transition region (200) between the proximal and distal portions includes protrusions (210) of the distal shaft component extending into the proximal shaft component, providing improved stability and planarity during use of the catheter. The protrusions are formed from a transition process between the proximal and distal components. The catheter may incorporate structural elements positioned within the flexible shaft in relation to the transition region to enhance the performance of the catheter. The disclosed design and manufacturing process results in a medical catheter with seamless integration of shaft components, optimized flexibility, and precise steering control, suitable for minimally invasive procedures.

This invention provides an intraoperative residual organ volume estimation system for surgical planning assistance, relating to the field of minimally invasive surgery. By matching the preoperative and intraoperative tissue mesh models, this invention transforms the measurement of residual organ volume into a volume measurement of the corresponding region in the preoperative tissue mesh model, avoiding interference from complex tissue deformation and invisible areas on volume prediction. Furthermore, it considers intraoperative interaction with the surgeon, receiving simple annotations from the surgeon regarding regions of interest to obtain accurate volume measurement information, achieving active selectivity and high reference value during surgery. In addition, the introduced online self-supervised learning depth estimation method based on binocular endoscopy utilizes a binocular depth estimation network with rapid overlearning capabilities, continuously adapting to new scenarios using self-supervised information, thereby ensuring the accuracy of the intraoperative tissue mesh model.

A shunting system comprises an endovascular shunt device, a shunt delivery catheter comprising a lumen configured for housing the endovascular shunt device, a penetrating element configured for piercing or penetrating through a wall of a vessel into an extravascular space to create an anastomosis within the wall of the vessel, and an atraumatic distal protective element configured for deflecting a critical anatomical structure (CAS) residing within the extravascular space away from the penetrating element.

The invention discloses high-definition illumination endoscopic equipment for minimally invasive surgery in the orthopedics department, and relates to the technical field of medical surgery, the high-definition illumination endoscopic equipment comprises a main control processing unit, a flexible operation catheter and an instant locking and fixing device, and the upper end and the lower end of the main control processing unit are connected with a high-definition display and an anti-skid grip; an instant locking and fixing device and a butt joint groove with a positioning clamping tenon are arranged in the front-end instrument installation cabin, an electrode connector at the rear end of the flexible operation catheter is inserted into the butt joint groove in the cabin in a matched mode, and an interface pivot is connected with the equipment interface end in a clamped mode. An electric angle fine adjustment mechanism is integrated at the front end, a corrugated sleeve and a bearing are arranged between the electric angle fine adjustment mechanism and the endoscope body, and the instantaneous locking and fixing device can be pressed for locking and reset for unlocking; an optical objective lens and a projection illuminating lamp are arranged at the front end of an endoscope body, a signal transmission cable penetrates through a fine adjustment mechanism to be connected with an electrode connector, the electric angle fine adjustment mechanism drives the endoscope body to be accurately adjusted through a metal supporting sleeve, a double-micro-motor driving fluted disc, a lead screw and a linkage fluted disc, and the requirements for high-definition imaging and flexible operation of minimally invasive surgery are met.

The invention relates to a prostate lifting device, and belongs to the technical field of medical instruments. The prostate lifting device comprises a brake box and a conveying shaft rod, the brake box comprises a shell, a needle sliding block, a wire sliding block and an energy storage spring are arranged in the shell, and a needle excitation module is arranged outside the shell; the needle sliding block and the thread sliding block are in sliding connection with the shell, the sliding direction is parallel to the length direction of the conveying shaft rod, and the energy storage spring is used for storing energy for the needle sliding block. A puncture needle and a silk thread are arranged in the conveying shaft rod, the end of the puncture needle is in transmission connection with the needle sliding block, and the end of the silk thread is in transmission connection with the thread sliding block. The needle excitation module comprises an excitation block and an excitation interlock, the excitation interlock is matched with the excitation block, and the excitation block is used for releasing the elastic potential energy of the energy storage spring when the excitation interlock is started. By optimizing the internal structure and the excitation mechanism of the brake box, the whole structure is simple, the assembly is convenient, the requirements of clinical minimally invasive surgery are met, and the application prospect is good.

This invention discloses a separate rolling and clamping force feedback mechanism for the main hand of a surgical robot, applied to the main control end of a surgical robot. It enables independent master-slave control and force feedback for the two degrees of freedom—rolling and clamping—at the end of the surgical instrument. The mechanism includes a rolling motion control and feedback module and a clamping motion control and feedback module, integrated through a motion decoupling interface to decouple the rolling and clamping motions at the mechanical transmission level. This invention achieves separate and independent control of the two degrees of freedom—rolling and clamping—in terms of structure and force feedback path, improving the main hand's control accuracy, the realism of force feedback, and the system integration, making it suitable for minimally invasive surgical robot systems.