216 results about "Minimally invasive procedures" patented technology

The present invention relates to a flexible continuum joint, a flexible robotic arm, and a minimally invasive surgical robot for TEM. The flexible continuum joint comprises a double-helix structure formed by two helical springs, wherein a central channel is provided inside the double-helix structure, a hollow tube arranged coaxially with the double-helix structure is provided in the central channel, and a plurality of notches are formed on the hollow tube. The flexible robotic arm is composed of a linkage joint formed by an active section and a passive section, and an end joint, wherein the active section and the end joint are both driven by a drive wire, and the passive section is driven by a nickel-titanium alloy rod. The minimally invasive surgical robot comprises an endoscopic arm and two robotic arms, and has 19 degrees of freedom overall. In addition, the provision of the linkage joint in the flexible robotic arm and the application of a hybrid drive mode combining a drive wire and a nickel-titanium alloy rod not only reduces the number of drives, but also avoids the problem of motion coupling between joints, thus effectively overcoming the problems of insufficient degrees of freedom and poor motion accuracy in existing minimally invasive surgical robots for TEM.

An access device for a minimally invasive procedure can include a port body defining an instrument channel for a medical instrument, a radial extension extending at least partially outward from the body in a radial direction. The radial extension can extend from a distal end of the port body. The radial extension can define an imaging device cavity defined therein spaced from the port body and opening distally from the radial extension. The imaging device cavity can be configured to receive an imaging device therein for providing images within a field of view that is at least partially distal of the port body.

An aspect includes examining a dental defect in an oral cavity, performing a minimally invasive procedure to detect or remove a portion of the dental defect, scanning the oral cavity including a residual tooth substance remaining after the performing, to obtain an intraoral scan, computing one or more parameters of the dental defect or residual tooth substance, and generating a number of treatment plans for one or more restoration materials based on a triangulation of the dental defect and an enforcement of constraints of the one or more restoration materials. Each treatment plan includes a geometry of a restoration option, and an optimal restoration option is selected from the plurality of treatment plans.

The invention relates to a device to be used for closing a tissue opening in a tissue. In particular, the present invention relates to a device used for a closing an opening in a membrane such as a fetal membrane by stitching in a minimally invasive procedure.

The utility model relates to the technical field of medical instruments, in particular to a power switching mechanism and a rotary cutter which are used for doing reciprocating rotation motion, the power switching mechanism is used for installing a cutter assembly and providing power for the cutter assembly, and an inner cutter tube can do reciprocating rotation motion in an outer cutter tube. The power switching mechanism comprises a reciprocating moving sleeve, a reciprocating driving assembly, a connecting main shaft and a power transmission assembly. The reciprocating moving sleeve is used for being fixedly connected with the inner knife tube. The reciprocating driving assembly is used for driving the reciprocating moving sleeve to reciprocate. And the connecting main shaft is used for driving the reciprocating sleeve to rotate. The power transmission assembly comprises a power input assembly, a rotation driving assembly and a reciprocating transmission assembly, the rotation driving assembly is used for driving the connecting main shaft to rotate, and the reciprocating transmission assembly is used for driving the reciprocating driving assembly to rotate. The power switching mechanism is simple in structure, all the structures are tightly matched, and the effect and efficiency of minimally invasive surgery can be effectively improved to a certain degree.

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.

Described here are systems, devices, and methods useful for minimally invasive surgical procedures performed by a single operator. A robotic surgery system may include a robotic arm having a coupling mechanism for releasably coupling to an end effector connector. Methods for removably coupling the robotic surgery system may include coupling the end effector connector to the coupling mechanism, actuating the coupling mechanism to release the end effector connector, and receiving the end effector connector. The coupling, actuating, and receiving may be performed with a single hand of an operator. Additionally, devices for performing minimally invasive surgery may include a robotic arm input device having independently controllable foot-actuated switches. Methods for using the input device may include receiving a robotic arm control signal based on single-footed operation of the input device and controlling a movement of the robotic arm accordingly.

The invention relates to the technical field of medical instruments, in particular to an improved puncture positioning device for assisting minimally invasive spine surgery. According to the improved auxiliary spine minimally invasive surgery puncture positioning device, the height and the angle of the puncture needle can be adjusted conveniently, and therefore puncture can be more accurately conducted. An improved puncture positioning device assisting in minimally invasive spine surgery comprises a base, a sliding limiting rod, a compression spring and the like. The two bases are each fixedly connected with two sliding limiting rods, and the two bases are each fixedly connected with two compression springs. A medical worker moves a sliding supporting block upwards, the medical worker controls a sliding block to move downwards to a proper height after a patient enters the position below the device, then the medical worker rotates a rotating disc, the rotating disc rotates to drive a positioning pipe to be aligned to the position, needing an operation, of the patient, a fixing screw is tightened, and then an L-shaped pressing rod is rotated to rotate with a front rotating shaft as the center. The height and the angle of the positioning pipe can be adjusted.

The present invention discloses a flexible endoscope robot for minimally invasive intervertebral disc surgery, which relates to the technical field of minimally invasive intervertebral disc surgery. The present invention includes a flexible pipeline, and a negative pressure extraction tube and a flushing tube are arranged inside the flexible pipeline. A support tube is arranged at the insertion end of the negative pressure extraction tube, an inner sliding sleeve is slidably connected inside the support tube, a driving rope reel is rotatably installed inside the inner sliding sleeve, and multiple groups of crushing thin ropes are arranged on the outer side of the driving rope reel. The whole of the present invention adopts a flexible endoscope robot. When the puncture needle reaches the position of the intervertebral foramen, there is no need to gradually expand the outer opening of the intervertebral foramen level by level, and there is no need to resect part of the articular process joint or resect the lamina. After the flexible endoscope robot passes through the puncture needle, it directly bends into the intervertebral foramen, and then cooperates with the use of the clamping jaw and the negative pressure extraction tube to grab and aspirate the intervertebral disc herniation, which can reduce the damage to the bone joints, enhance the stability of the spine, and reduce the recurrence rate of the intervertebral disc.

The invention relates to a force feedback simulation system and method based on a high refresh rate, the system comprises a tactile interaction device and a data processing feedback module, the tactile interaction device comprises an input signal acquisition unit used for acquiring information of the tactile interaction device and feeding back the information to the data processing feedback module; the feedback output unit is used for receiving the feedback signal and executing a simulation action; the data processing feedback module comprises a stress dynamic model which is used for respectively constructing a plurality of models according to different stages of simulation and determining and outputting a feedback signal after receiving the information of the mobile terminal; and the data acquisition refresh rate of the input signal acquisition unit is greater than or equal to 1000Hz. According to the method, the tactile fidelity, continuity and operation effect of operation simulation are remarkably improved, so that the method is closer to a real operation environment, the skill training and practice level of surgeons is improved, and the method is not only suitable for simple single-layer tissue puncture, but also supports complex multi-layer tissue simulation, and can be widely applied to minimally invasive operation training scenes.

A delivery device is described for use in a TAVR procedure for replacement of a diseased cardiac valve with a prosthetic valve using a minimally invasive procedure. The invention includes structural features of a prosthetic valve that are mated to corresponding structural features on a catheter-based delivery system. Individual structures and operations of the delivery system are specially designed for the TAVR procedure and operate to improve the delivery and placement of the prosthetic valve at the native annulus such that the surgeon can orient and release the prosthetic valve in a controlled manner to improve the placement and deployment of the prosthetic valve.

The invention belongs to the technical field of medical equipment, and discloses a minimally invasive endoscope image-text report generation system which comprises an image acquisition device and a report generation system, the report generation system comprises a patient information access module, a key frame image screening module and a report generation module, and the image acquisition device is in communication connection with the report generation system; the image acquisition device is used for acquiring an operation process image through the minimally invasive endoscope and sending the image to the report generation system; the patient information access module is used for acquiring basic information of a patient from a medical information system of a hospital; the key frame image screening module is used for screening key frame images from the operation process images according to the basic information of the patient; the report generation module is used for generating an operation image-text report according to the basic information of the patient and the key frame image; therefore, the user can be assisted to quickly generate the image-text report of the minimally invasive surgery, and the generation efficiency of the image-text report of the minimally invasive surgery is improved.

The invention provides an interventional operation magnetic control guide wire capable of repeating magnetic orientation. The interventional operation magnetic control guide wire comprises a core wire and a coating layer, the core wire is coated with the coating layer; the coating layer comprises magnetic composite particles and a first high-molecular polymer; the magnetic composite particles comprise magnetic powder and a low-temperature phase change material compounded on the surface of the magnetic powder. Compared with the prior art, the magnetic control guide wire provided by the invention can perform magnetic orientation after the guide wire is prepared, and magnetic field orientation does not need to be performed in the guide wire forming process, so that the guide wire preparation difficulty is simplified from the process; and meanwhile, magnetic orientation treatment can be carried out again according to requirements. The magnetic control guide wire is simple in production process, capable of achieving repeated magnetic orientation, excellent in magnetic response performance and operation flexibility and suitable for various minimally invasive surgeries and interventional therapy.

The invention provides a spine minimally invasive surgery protection position frame which comprises a supporting frame, the supporting frame comprises a body cushion, a headrest and arm cushions, positioning mechanisms are arranged on the body cushion and the arm cushions, and each positioning mechanism comprises a plurality of sets of positioning rods, positioning sleeves, first springs and locking mechanisms. Guide holes are formed in the body pad and the arm pads in a matrix mode, the positioning sleeves are fixed to the bottoms of the body pad and the arm pads, top inlets correspond to the guide holes, the positioning rods are vertically matched in the guide holes and the positioning sleeves in a sliding mode one by one, and the first springs are arranged between the positioning rods and the bottoms of the positioning sleeves. After a patient lies on the supporting frame, under the compression of the patient, the compressed positioning rod can be vertically pressed into the guide hole, the non-compressed positioning rod is unchanged in shape, and a limiting enclosure is formed on the periphery of the patient, so that the patient is not prone to horizontal deviation, the stability in the spinal operation process is guaranteed, and the success rate of the operation and the perfectness of the operation are improved.

The invention relates to a wrist joint, a minimally invasive surgery robot and a knee joint endoscopic surgery robot. The knee joint endoscopic surgery robot comprises a far-end two-degree-of-freedom wrist joint, a one-degree-of-freedom bent flexible mechanical arm, a rigid insertion sheath tube, a wire transmission device, a bending driving device and a gear transmission device. Wherein the endoscope module is integrated at the tail end of the wrist joint, so that flexible exploration in a knee joint cavity is realized; through two-degree-of-freedom movement of the wrist joint, local flexible adjustment of the visual field of the endoscope is achieved; large-range bending movement and safe interaction of the endoscope are realized through one-degree-of-freedom bending movement of the flexible mechanical arm; by controlling extension and retraction of the rigid insertion sheathing canal, a doctor can conveniently control the endoscope to smoothly enter a knee joint cavity from a knee joint incision, the bending radius of the flexible joint in the flexible mechanical arm can be changed by regulating and controlling the extension amount of the rigid insertion sheathing canal, and then flexible adjustment of the visual field of the endoscope in a large range and a small range is achieved.

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.

A soft robotic imaging device includes a partially extendable scope with a soft robotic actuated flexible distal part that can bend in various directions. The device includes an imaging means at its distal end to capture and transmit video imagery during surgery. Additionally, it includes a surgical access device with a detachable fluid or gas channel and a fixation mechanism. The electronic hardware integrated into the system is housed within a handle attached to the extendable proximal part of the scope. The soft robotic actuated flexible distal part may be constructed from one or more conductive polymers. The device is designed for easy integration into an imaging system for minimally invasive surgical procedures. The system aids in detecting surgical instruments, monitoring tissue conditions, and tracking instrument movements and allows the surgeon to synchronize the flexible distal part's movements with surgical instruments and voice command-based features to provides surgeons with enhanced visibility and control.

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.

An ophthalmic knife for treatment of various conditions including eye diseases, such as glaucoma, using minimally invasive surgical techniques is provided. The ophthalmic knife includes a shaft, a first platform connected to an end of the shaft and extending at an angle from a longitudinal axis of the shaft and a second platform connected to the shaft adjacent to the first platform. The first platform includes a first top surface extending from a first tip and a first bottom surface opposing the first top surface, and the second platform includes a second top surface extending from a second tip, and a second bottom surface opposing the second top surface. The first platform severs trabecular meshwork in a human eye as the trabecular meshwork advances over the first top surface of the first platform and the second bottom surface of the second platform engages but does not sever the trabecular meshwork.

The soft tissue clamp capable of being bent, rotated and repeatedly opened and closed comprises a handle, an outer tube is fixedly connected to the lower portion of the handle, a bent part is arranged at the open end of the outer tube, and a clamp assembly is detachably arranged on the bent part; a sliding block is arranged on the handle in a sliding mode, control gears are rotatably arranged on the left side and the right side of the sliding block through buckles, a control rope is wound around the control gears, the other end of the control rope is fixedly connected with a bent part on the outer pipe, and the bent part on the outer pipe can be controlled to be bent by rotating the control gears. Accurate bending is achieved through gear control, and multi-angle operation can be achieved; the inhaul cable is matched with the clamp assembly, repeated opening and closing are achieved, and surgical instrument replacement is reduced; and the dual-control gear is matched with the limiting piece to realize single-hand micro-operation. The device is reasonable in structural design, remarkably improves the operation efficiency and safety, and is suitable for various minimally invasive operation scenes.

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.