1428results about "Surgical saws" patented technology

A patient specific instrument is disclosed for correcting a condition present in a patient. The patient specific instrument includes a body that includes an inferior side having a bone engagement surface shaped to match a first surface of a first bone and a second surface of a second bone of a joint. The instrument also includes a superior side having a first guide feature and a second guide feature that together, with the bone engagement surface overlying the first surface and the second surface, are positioned to guide resection of the first bone and the second bone during a surgical osteotomy for correcting the condition. The body is configured to seat transverse to the joint with the bone engagement surface engaging the first surface of the first bone and the second surface of the second bone.

The invention provides a unicompartmental knee arthroplasty robot navigation and positioning system and method. The system comprises a preoperative planning module, a positioning and navigation module and a mechanical arm control module. The preoperative planning module is used for carrying out knee joint segmentation and reconstruction according to the obtained knee joint medical image, carrying out preoperative planning and determining a unicompartmental knee arthroplasty scheme; the positioning navigation module is used for registering the intraoperative solid knee joint and the preoperative knee joint three-dimensional model according to the navigator and the tracer, and tracking the poses of the osteotomy tool and the solid knee joint in real time; and the mechanical arm control module is used for planning a motion path of the mechanical arm and controlling the mechanical arm to execute the motion path. In this way, the mechanical arm can be controlled to assist in completing the osteotomy operation of unicompartmental knee arthroplasty in a preoperative planning and intraoperative optical navigation mode, and the problems that the operation level is uneven and the operation effect is not expected due to different individuals in the current manual operation are solved.

The invention discloses a thoracoscope minimally invasive cardiac surgery navigation system based on multi-modal image fusion, and the system comprises the steps: constructing a 5D heart digital twin containing an anatomical structure, a soft tissue boundary, metabolic activity and electrophysiological information through fusing preoperative CT, MRI, PET and intraoperative ultrasonic images; real-time dynamic registration is realized by using an electrocardio gating driven biomechanical model; superposing the multi-color coding navigation information to the visual field of the thoracoscope through a wavelength selection type spectroscope; a dynamic risk scoring model is constructed based on the distance, the speed and the tissue vulnerability, and three-level grading intervention is triggered; a miniature force feedback actuator is integrated to realize closed-loop control; and pre-operation virtual drilling and post-operation federal learning optimization are supported. The system remarkably improves the surgical precision and safety, and is suitable for high-difficulty heart minimally invasive surgeries such as mitral valve repair and atrial fibrillation ablation.

The embodiments of the present specification provide a clip device. The clip device comprises a sheath, a clip arm and a receiving tube, the receiving tube is releasably connected with the sheath, the clip arm comprises at least two clamping parts, the proximal ends of the at least two clamping parts are movably arranged in the receiving tube, the clip arm is opened when the clip arm moves distally relative to the receiving tube, the clip arm is closed when the clip arm moves proximally relative to the receiving tube, and the receiving tube is further used for locking the clip arm.

Surgical instruments, systems, and methods for performing an osteotomy are disclosed herein. A surgical system includes a body with a distal end, a proximal end, a first surface, and a second surface. The surgical system can include cutting blades positioned on the first surface and / or the second surface. The surgical system can include columns of cutting blades positioned on the first surface and / or the second surface. The surgical system can include rows of cutting blades positioned on the first surface and / or the second surface.

A method of controlling a surgical system includes obtaining a surgical plan containing a plurality of planned cuts, receiving a first cutting tool from a plurality of cutting tools at a surgical device, collecting a first checkpoint by tracking a probe as the probe contacts a first predefined point on the first cutting tool, collecting a second checkpoint by tracking the probe as the probe contacts a second predefined point at a first bone of a patient, automatically selecting a first planned cut from the plurality of planned cuts based on the first checkpoint and the second checkpoint, and, in response to automatically selecting the first planned cut, guiding execution of the first planned cut using the first cutting tool.

According to one example, a for revision knee arthroplasty is disclosed. According to this example, the method can include shaping a bone of a patient to create one or more recesses therein, selecting a stem provisional, disposing the stem provisional within the one or more recesses, and assembling in vivo the stem provisional with both a first provisional component configured to simulate a shape of one of a tibial tray implant or a femoral implant and a second provisional component configured to simulate a shape of at least one of a sleeve component, a cone component or a keel component of an implant.

According to the method and device for the endoscope to automatically follow the instruments, the electronic equipment and the storage medium, the actual focusing center and the real-time video of the endoscope are firstly obtained, then the real-time video is processed, the current operation stage is recognized, the real-time position information and the weight of each instrument in the real-time video are obtained, and the real-time position information and the weight of each instrument in the real-time video are obtained; the weights of the instruments and the corresponding position information are subjected to weighted fusion, the semantic attention center of the endoscope is obtained, and finally the focus center of the endoscope is adjusted according to the actual focus center and the semantic attention center. According to the technical scheme, the weight and the semantic attention center of each instrument are calculated by fusing the multi-dimensional features of the basic data, and finally, the logic of the focusing center of the endoscope is dynamically adjusted, so that intelligent following in a multi-instrument collaborative scene is realized, the defects of single instrument tracking and lack of semantic adaptation in the prior art are overcome, and the tracking efficiency is improved. And the flexibility and the accuracy of the automatic following instrument of the endoscope are improved.

Examples of the invention relate to methods, implants, including bone plates, and instruments for compressing first and second bone portions or a bone portion and an implant together.

Robotic surgical systems and methods for resection of an anatomy. The system includes a cutting tool, a manipulator configured to move the cutting tool, and a control system. The control system associates a target plane with the anatomy, the target plane delineating a portion of the anatomy to be resected from a portion of the anatomy to remain unresected. The control system controls the manipulator to align the cutting tool to the target plane. The control system controls the manipulator in an automated mode to perform at least one of the following actions: automatically resect along the target plane with the cutting tool, automatically retract the cutting tool along the target plane, and automatically change a pose of the cutting tool on the target plane. The user or control system can pre-assign whether to perform any of the actions in the manual or automated mode.

A bone displacement system includes an anchoring portion, a tool engaging portion, a compression distraction mechanism, a lateral body and a distal body. The anchoring portion has an aperture for receiving a wire to connect the anchoring portion to a proximal bone. The anchoring portion is connectable to a downwardly depending member for holding a tissue portion. The tool engaging portion is connected to the anchoring portion and is configured to connect a tool thereto. The compression-distraction mechanism is connected to the anchoring portion. The lateral body is connected to the compression-distraction mechanism and engageable with a lateral bone. The distal body is connected to the compression-distraction mechanism. The distal body has an aperture for receiving a wire to connect the distal body to a distal bone. The compression-distraction mechanism is configured to move the anchoring portion relative to the distal body.

The invention belongs to the technical field of digital surgery, and particularly relates to a hysteroscope surgical robot control method and system based on multi-modal perception. The method comprises the steps of collecting multi-modal input signals such as visual, auditory, tactile, force sense and pose signals, uniformly performing time synchronization and perception track construction, and combining semantic behavior intention inference and tactile opportunity judgment to realize multi-dimensional consistency verification of operation instructions. And after the judgment result is valid, extracting control execution parameters, driving the mechanical arm to perform accurate operation, recording an execution process and updating a control threshold value to optimize feedback performance. The system comprises an input signal acquisition module, a six-dimensional force sensor module, a semantic inference module, a modal fusion module and the like, a closed-loop structure from sensing to control is constructed, and the operation precision, the interaction stability and the safety response capability of the hysteroscope robot in an operation are remarkably improved.

A bone fixation system configured to fix one or more bone segments of extremity bones is provided.

A drill-less method of stabilizing a sacroiliac joint using a multimodal abrading device to create a rich environment for bony fusion. The unique decortication instrument includes an integral slap hammer assembly joined with a rasp-box osteotome tooling head to simultaneously remove cartilage from the joint while preparing the sacrum and ilium down to bleeding bone. Subsequent to joint preparation, an implant with a large bone graft window may be implanted into the prepared SI joint through a specially designed access cannula.

The utility model provides an endoscope needle tube puncturing and suturing device. The endoscope needle tube puncturing and suturing device comprises a mounting shell, a needle tube assembly, a driving assembly and a suturing assembly. The control piece controls the driving piece to rotate relative to the mounting shell, and the driving piece drives the connecting piece to move relative to the mounting shell, so that the connecting piece drives the arc-shaped puncture needle tube to rotate relative to the mounting shell. The control piece directly drives the arc-shaped puncture needle tube to be opposite to the mounting shell through matching of the driving piece and the connecting piece. The influence of the length of the needle tube assembly and the elastic tube, the stress bending of the elastic tube and the friction between the needle tube assembly and the mounting shell on the puncture force borne by the arc-shaped puncture needle tube is small, that is, the acting force of the control piece is effectively converted into the puncture force of the arc-shaped puncture needle tube through the matching of the driving piece and the connecting piece; and the arc-shaped puncture needle tube has enough puncture force, so that the arc-shaped puncture needle tube can quickly penetrate through human tissues, and the suture efficiency and implementation reliability of the product are improved.

The invention discloses a lithotomy and lithotripsy handle and a lithotomy and lithotripsy integrated medical instrument, and belongs to the technical field of medical instruments, the lithotomy and lithotripsy handle comprises an operation part and a guide sheath tube capable of collecting a mesh basket, the guide sheath tube is installed on the operation part, the operation part is provided with an operation device, and the operation device at least has a lithotomy mode and a lithotripsy mode; the lithotomy and lithotripsy integrated medical instrument comprises a mesh basket and a lithotomy and lithotripsy handle. In the calculus removing mode, the operation device can convert external force applied by an operator into driving force for driving the mesh basket to move in the axial direction of the guiding sheath tube, and the mesh basket is driven to be released or recycled through the guiding sheath tube so that calculus removing can be achieved. In the lithotripsy mode, the operation device can convert external force applied by an operator into lithotripsy force for driving the mesh basket to be collected to the guiding sheath tube in the axial direction, so that the mesh basket collects the lithotripsy under the constraining force of the guiding sheath tube. The lithotripter has the advantages that lithotripsy can be carried out during lithotripsy in the bile duct and during lithotripsy, a lithotripsy handle does not need to be externally connected independently, economic cost is low, operation is easy, and the risk of cross infection is avoided.

The invention relates to a tool device, in particular a saw blade (3), which can be driven in an oscillating manner in particular about an axis of rotation (1) of a hand-held power tool, having a cutting element (5) and a further cutting element (6), wherein the cutting elements (5, 6) are spaced at different distances from the tool axis. It is proposed that the cutting element (5) and / or the further cutting element (6) has a cutting parameter, in particular an almost identical cutting parameter, which is adapted to the axis of rotation (1), in particular in the circumferential direction (8).

The invention relates to the technical field of medical equipment, in particular to an integrated bendable multifunctional multichannel endoscopic treatment auxiliary device which comprises an outer tube, a main channel for an endoscope to pass through and a plurality of auxiliary channels for accessories to pass through are arranged in the outer tube in the length direction, and a limiting ring is mounted at the lower end of the outer tube; a plurality of separating strips used for separating the auxiliary channels are arranged on a protrusion of the limiting ring, a communicating hole communicated with the inside and the outside is formed in the position, close to the upper end, of the side wall of the outer pipe, and the upper ends of the auxiliary channels penetrate through the communicating hole to be arranged on the outer side of the outer pipe. By arranging a plurality of auxiliary channels, a plurality of surgical operation tools can be conveniently added to serve as accessories, so that the problems that in the surgical operation process, the accessories are frequently exchanged to complete various surgical steps, the operation efficiency is affected, and the operation risk is increased can be solved.

The invention relates to the technical field of minimally invasive treatment surgical medical instruments, and discloses a magnetic anchoring traction device, which comprises an outer magnetic mechanism, an inner magnetic mechanism, an inner magnetic mechanism, a traction mechanism, a traction mechanism and a traction mechanism, and is characterized in that the outer magnetic mechanism is configured to be arranged outside an organism and comprises an outer magnet with magnetism or capable of generating magnetism; the inner attraction body is made of a material which does not have magnetism and can be magnetized close to the magnet, the inner attraction body is configured to be arranged inside a living body, and the upper end of the inner attraction body is used for facing the lower end of an outer magnetic mechanism located outside the living body, so that the inner attraction body and the outer magnet attract each other; and the upper end of the tractor is connected with the lower end of the inner aspirator, and the lower end of the tractor comprises a connecting part and is used for dragging tissues or organs in a living body or is connected with an in-vivo catheter. By means of the internal attraction body which is not magnetic and is made of a material which is close to the magnet and can be magnetized, the influence of magnetic force on an instrument in a living body can be reduced, high-temperature disinfection of the internal attraction body is facilitated, and therefore the safety of minimally invasive treatment surgery is improved.

An endoscope treatment instrument may comprise a sheath, a conductive rod extending from a distal end of the sheath, an electrode connected to a distal end of the rod, an insulator positioned distally relative to the electrode; and an insulating element covering at least part of an outer circumferential surface of the rod.

A fiber optic treatment tool system according to the present invention comprises: a treatment tool that treats tissue of an observation target site; a light-emitting unit that emits light in a wavelength band that excites a fluorescent reagent contained in a drug bound to the observation target site; a light guide part that is configured using an optical fiber and that guides light between one end and the other end thereof; a light-receiving unit that detects return light from the treatment tool or the observation target site incident on the light guide part; and a control unit that controls the intensity of the light emitted by the light-emitting unit. The light guide unit has one end located at the end of the treatment tool on the observation target site side and the other end connected to the light-emitting unit and the light-receiving unit. The control unit reduces the light emission intensity of the light-emitting unit when the intensity value of the return light acquired from the light-receiving unit is equal to or greater than a preset threshold value.

A bone drill guiding device, comprising: a drill entry portion including a first contact point for engaging a first side of a bone, wherein the drill entry portion includes at least one bore sized to receive a bone drill therethrough; a bone securing portion including a second contact point for engaging a second side of the bone, the second side of the bone opposite the first side of the bone; wherein the device includes a third contact point on one of the drill entry portion and the bone securing portion; and a coupling to selectably rigidly connect the drill entry portion and the bone securing portion for positioning the drill entry portion and the bone securing portion on opposite sides of the bone.

A spinal endoscope and a driving apparatus for a surgical instrument thereof, relating to the technical field of surgery. A rotating platform (12) of the driving apparatus is rotatably mounted on a base (13), and an encoder (8) is mounted at one end of the base (13). A first motor (10) is configured for driving the rotating platform (12) to rotate. A guide rail (11), a second motor (17), and a third motor (14) are all fixedly mounted on the rotating platform (12). The third motor (14) is configured for driving an endoscope lead screw (15) to rotate. An endoscope clamping apparatus (2) is in a screw fit with the endoscope lead screw (15) and can slide along the guide rail (11). An endoscope (3) is fixedly mounted on the endoscope clamping apparatus (2). A working sleeve (1) is fixedly mounted on the base (13), and the central axis coincides with the rotation axis of the rotating platform (12). The second motor (17) is configured for driving an actuator lead screw (16) to rotate. An actuator driving platform (6) is in a screw fit with the actuator lead screw (16). The actuator driving platform (6) is mounted on the guide rail (11) in a sliding fit manner and configured for mounting an actuator (5) and a motor driving module (7). The actuator (5) and a working channel of the endoscope (3) are coaxially arranged.

This invention relates to apparatus and methods for reverse shoulder prostheses and / or anatomical shoulder prostheses. [Solution] Various embodiments disclosed herein relate to stemmed and stemless humeral anchors 203 for use in the procedure of shoulder arthroplasty. For example, a humeral anchor may include a first end, a second end, and an inner surface extending between the first and second ends. The inner surface may be positioned around a recess 231 located between the first and second ends. The recess may be configured to directly fix the joint portion of the shoulder joint to the inner surface.

The double-edge sawtooth bone knife comprises a knife rod, the knife rod is connected with a blade, and the section, away from the knife rod, of the blade is provided with a cutting part; the cutting part comprises a first sawtooth part arranged at the end of the blade, a second sawtooth part and a third sawtooth part, the second sawtooth part and the third sawtooth part are arranged on the two sides of the blade respectively, the second sawtooth part and the third sawtooth part are connected to the two ends of the first sawtooth part respectively, and each of the second sawtooth part and the third sawtooth part comprises a plurality of convex back teeth. The cutting part has the advantages that the tooth-shaped structural design of the cutting part is optimized, vibration and noise during use are reduced, and the cutting quality can be improved.

This invention discloses a variable stiffness flexible surgical robot platform based on a lock-shaped structure, comprising a drive unit and an access carrier. The drive unit controls the access carrier to switch between a flexible state and a rigid state via a drive rope and a variable stiffness rope. Multiple joints of the access carrier are sequentially hinged together by joint connectors, allowing relative rotation. Each joint connector includes a connecting shaft, a spring, and an engagement end cap. One end of the spring is bonded to a joint ear plate, and the other end is bonded to the inside of the engagement end cap, with the inside of the engagement end cap embedded in a groove on the ear plate. The mating surfaces of the connecting shaft and the engagement end cap have meshing teeth. In the flexible state, the engagement end cap is supported by the spring, and the teeth on the connecting shaft and the engagement end cap are in a separated state, allowing adjacent joints to rotate freely. In the rigid state, the variable stiffness rope engages the teeth on the connecting shaft and the engagement end cap, converting the tension of the variable stiffness rope into a resisting torque between the joints, thus making the access carrier rigid.

The utility model provides an arthroscopic surgery liquid collecting bag capable of preventing liquid from overflowing, which is characterized in that the back surface of the liquid collecting bag is connected with a drape, the back surface of the liquid collecting bag is provided with a liquid collecting opening, the front surface of the liquid collecting bag is provided with an unfolding part, the top of the unfolding part is fixedly provided with an adjustable aluminum strip capable of supporting the unfolding part, and the edge of the unfolding part is fixedly provided with a fixed aluminum strip in a surrounding manner. The fixed aluminum strip and the adjustable aluminum strip jointly keep the unfolding part to form a three-dimensional liquid collecting area; the lower end of the liquid collecting bag is provided with a liquid discharging pipe, the liquid discharging pipe is provided with a sealing plug, and the sealing plug is matched with the inner diameter of an outer port of the liquid discharging pipe; a plurality of reinforcing patches are fixed to the top end of the back face of the liquid collecting bag and matched with the hole towel in an adhering mode. By improving the liquid collecting structure, providing a flexible discharging mechanism and enhancing the stability of the bag body, the environment cleanliness, the operation stability and the equipment use convenience in the operation process are improved, and the use effect is good.

The utility model relates to a neurosurgery guiding device negative pressure control device which is applied to the technical field of medical instruments and comprises a guiding device body, a suction pipeline and a plugging mechanism, the suction pipeline is arranged on the guiding device body in a penetrating mode, and an inner cavity of the suction pipeline is a suction channel; an air hole is formed in the annular side of the suction pipeline and is communicated with the suction channel; the plugging mechanism comprises a movable piece and a plug arranged on the movable piece, a sliding hole is formed in the guider body, part of the movable piece extends to the outer side of the guider body, the movable piece is arranged at the sliding hole in a sliding mode, and the plug and the air hole are oppositely arranged and matched; when the movable part slides on the guider body, the plug gets close to or away from the air hole. When the guiding device is used, as long as it is ensured that negative pressure equipment is always started, the plug is controlled to be close to or away from the air hole by shifting the part, extending to the outer side of the guiding device body, of the movable piece through fingers, a suction pipeline can be opened or closed in time, and the convenience of a doctor in an operation is further improved.

The application discloses a medical water jet device, which comprises a water jet assembly and a transmission assembly. The water jet assembly comprises a water jet and a built-in gear. The water jet is connected to the built-in gear. The water jet comprises a body and a fluid channel in the body. The fluid channel extends axially along the body. The transmission assembly comprises a motor and a gear assembly. The motor drives the gear assembly to rotate. The gear assembly is engaged with the built-in gear to drive the water jet to rotate around the axis of the body. The medical water jet device has higher operation flexibility and can reduce the complexity of water jet surgery.