1183results about "External osteosynthesis" 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 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.

A device for spinal correction includes a stabilizer assembly including a hinge including a first rod-bearing leaf; a second rod-bearing leaf rotatably coupled to the first rod-bearing leaf to provide coronal or sagittal freedom of movement, or both, of the stabilizer assembly; a locking mechanism to lock the first and second rod-bearing leaves at a desired angle; a first stabilizing rod coupled to the first rod-bearing leaf; a second stabilizing rod coupled to the second rod-bearing leaf; and a plurality of monoaxial or polyaxial links, wherein each monoaxial or polyaxial link is movably coupled to the first or second stabilizing rod and is movably couplable to a first spinal rod or a second spinal rod fixed to the spine; wherein the stabilizer assembly is couplable to the first or second spinal rod to stabilize the spine to prevent compression, distraction, or translation of the spinal cord during a spinal correction.

A clamping system includes a first clamp body including a first jaw, a second jaw, and a first aperture configured to receive a bone pin, the first clamp body is configured to receive a first connector rod between the first jaw and the second jaw, a second clamp body coupled to the first clamp body and including a third jaw, a fourth jaw, and a second aperture configured to receive the bone pin, the second clamp body configured to receive a second connector rod between the third jaw and the fourth jaw, and a securing assembly movable between a first position and a second position, such that moving the securing assembly from the first position to the second position reduces a distance between the first jaw and the second and reduces a distance between the third jaw and the fourth jaw.

The utility model discloses a rope-driven six-degree-of-freedom parallel orthopaedic external fixation support, which comprises two fixing rings which are oppositely arranged, and supporting arms are hinged between the two fixing rings, and is characterized in that three supporting arms are hinged between the two fixing rings in a manner of being coplanar with the axis of a device; the three supporting arms are elastic supporting arms with axial telescopic allowance and are distributed in the annular direction, and the six inhaul cables are arranged between the supporting arms in a pairwise mode and connected between the two fixing rings. One end of the inhaul cable is connected to the two sides of one end of one supporting arm of one fixing ring, the other end of the inhaul cable is connected between the two supporting arms of the other fixing ring, one end of the inhaul cable is a control end, and the control end of the inhaul cable is connected with a retracting and releasing motor and can be controlled by the retracting and releasing motor to retract and release. The device has the characteristics of large working space, few singular points, convenience in installation, light mechanism weight, high precision and small interference to CT images.

The invention relates to a jaw traction device which comprises a support, a lead screw, a fixed traction plate, a movable traction plate and a driving assembly. When an operator presses the button shaft, the ejector rod shaft can be driven to rotate around the axis of the ejector rod shaft through clamping rotation fit between the second clamping part and the first clamping part, then the lead screw is driven to rotate around the axis of the lead screw through meshing transmission between the ejector rod shaft and the lead screw, and therefore the movable traction plate is driven to move along the axis of the lead screw. Furthermore, the distance between the movable traction plate and the fixed traction plate is adjustable, and the movable traction plate and the fixed traction plate can prop open and keep the two ends of the jaw bone by utilizing the screwing self-locking limiting between the screw rod and the movable traction plate; the jaw traction device is designed to be completely implanted into the cheek skin tissue, the operative wound is minimized, accurate traction can be achieved, controllable traction of the jaw is achieved, the living quality of a patient is improved in the traction process, and postoperative nursing difficulty is reduced.

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.

A bone fixator as disclosed herein includes at least one removable portion, and is particularly suitable for external fixation of the bones of the femur and tibia (knee joint), the tibia to the foot (ankle joint), the lower leg, the lower thigh, or the forearm and hand. Embodiments allow multiaxial, multiplanar movement, as well as procurvatum and recurvatum, on the anatomy to achieve optimal placement. Embodiments of the fixator includes four fixator joints, each of which is articulating with multiple degrees of freedom. Some fixator joint(s) include a linkage bar connectable to a multi-pin clamp having a quick connect mechanism. The multi-pin clamp is configured for fixation to a bone. Other fixator joint(s) may be connected to the multi-pin clamp in a semi-permanent or non-detachable manner. A telescoping rod assembly allows adjustment of the length of the fixator by a single individual.

The invention discloses a variable stiffness external fixing device for accelerating lower limb fracture healing, which comprises two oppositely arranged fixing rings, a plurality of support arms connected between the two fixing rings, and kirschner wires arranged inwards along the radial direction on the fixing rings, and is characterized in that the fixing rings are also provided with kirschner wire applied stiffness adjusting mechanisms. The rigidity change of the fixing end of the external bone fixing device can be adjusted, the structure is simple, adjustment is convenient and fast, and the rigidity adjusting requirements of different stages in the bone rehabilitation process can be better met.

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 present disclosure relates to external fixation struts and systems utilizing the external fixation struts. The struts include an elongated body comprising a first and a second hollow tubular shaft and include opposite connectors respectively coupled to an end portion of the first or the second shaft and each including a ball and socket joint. One shaft may have an internal diameter that is slightly larger than the external diameter than the other shaft to host internally the other shaft in a slidably and telescopic manner. A clamp element may provide a fast gripping action stopping the telescopic sliding of one shaft inside the other shaft. Each ball and socket joint connector may be structured to allow an angular movement of the corresponding connector with a spherical angle up to at least 90°.

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.

The invention provides an asymmetric six-degree-of-freedom parallel fracture reduction surgical robot and a control method thereof, and relates to the technical field of medical instruments.The robot comprises a clamping assembly and a parallel posture adjusting mechanism, and the parallel posture adjusting mechanism comprises a movable platform, a fixed platform and a plurality of PUS motion branch chains connecting the movable platform and the fixed platform; each PUS motion branch chain comprises a driving module, a connecting rod and a joint seat, the moving end of the driving module is slidably connected with the fixed platform through a first moving pair, the fixed end of the driving module is connected with the first end of the connecting rod through a universal pair, and the second end of the connecting rod is connected with the joint seat through a ball pair; movement and rotation of the positioning needle in the X, Y and Z directions are achieved through the parallel posture adjusting mechanism, and therefore the angle and the position of the positioning needle are adjusted. The movement precision of the positioning needle is effectively improved, the weight and the size of the robot are effectively reduced while the large working space is considered, and the flexibility, the rigidity and the movement precision are improved.

The invention provides an extrascopic rotary bone grinding device for spine endoscopic surgery, and belongs to the technical field of machinery. The extra-scope rotary bone grinding device for the spine endoscopic surgery comprises a handheld part and a driving assembly fixedly connected to the outer end face of the handheld part in a locked mode, and is characterized in that the driving end of the driving assembly is in shaft connection with a shaft rod, a grinding head is integrally manufactured at the outer end of the shaft rod, a plurality of grinding teeth are arranged on the peripheral face of the grinding head in a staggered mode, and a toothed trephine is arranged at the outer end of the grinding head; the outer wall of the shaft rod is sleeved with a protective outer sleeve, a liquid injection component is arranged on the inner layer of the protective outer sleeve, a scrap capturing component is integrally manufactured between the inner wall of the protective outer sleeve and the outer wall of the shaft rod, the inner ring wall of the scrap capturing component is in interference fit with the outer wall of the shaft rod, and one end of the interior of the scrap capturing component is in clearance fit with the outer wall of the grinding head. And in cooperation with the protective outer sleeve, the liquid injection component and the debris capturing component, the accuracy, safety and convenience of bone tunnel expansion operation in the spine endoscopic surgery can be effectively improved.

A geared-motor assembly for use in a spatial frame is disclosed. Each of the geared-motor assemblies being selectively attachable and detachable from a manually adjustable strut in a spatial frame. In use, with the geared-motor assemblies detached, the struts can be manually adjusted (e.g., rotated) to, for example, facilitate initial construction of the spatial frame in the operating room, to allow patients to manually adjust the struts if desired, etc. Thereafter, with the geared-motor assemblies coupled to the struts, motorized and / or automated adjustment of the struts according to a treatment plan can be achieved. In use, each of the geared-motor assemblies is configured as a stand-alone device including all of the needed intelligence (e.g., microprocessor, printed-circuit board, etc.) and power supply to control and power the geared-motor assembly so that no external wires or centralized controller is required.

A bone correction system is configured to attach to the medial cuneiform and the first metatarsal of a patient's foot in a deformed configuration. An articulation joint is configured to rotate and angulate the first metatarsal with respect to the medial cuneiform. A translation assembly is configured to cause the first metatarsal to travel toward and / or against the medial cuneiform. Thus, the bone correction system is configured to iterate the patient's foot from the deformed configuration to a corrected configuration. A bone plate can permanently fix the medial cuneiform and the first metatarsal in the corrected configuration.

One aspect of the disclosure relates to an aspect of the disclosure relates to an adjustable implant including: a housing; a first adjustable member at least partially positioned within the housing and moveable relative to the housing; and a first actuation assembly positioned within the first adjustable member and configured to move the first adjustable member relative to the housing.

A transport device for increasing biological activity within a patient includes a base including a first end, a second end, an upper surface located between the first end and the second end, and a lower surface located between the first end and the second end, a base anchor configured to statically couple the base to a first portion of a bone of a subject, a translatable anchor configured to engage a growth stimulator, a leadscrew dynamically coupling the base to the translatable anchor, wherein the leadscrew is configured to rotate about a leadscrew axis while substantially maintaining its longitudinal position along the leadscrew axis in relation to the base, such that the growth stimulator, when engaged with the translatable anchor, is capable of independent movement in relation to the base along a stimulation axis that includes at least some transverse displacement with respect to the bone when the base is coupled to the bone via the base anchor, and a screw drive rotatably coupled to the leadscrew and configured to couple to a rotatable mating tool that is configured to rotate the leadscrew via the screw drive.

Reconfiguration of a bone fixation device of a patient may include generating, on a main server, a new actuation plan for the bone fixation device, the new actuation plan including operational parameters of the bone fixation device, notifying a patient device that the new actuation plan is available on the main server, requesting from a patient on the patient device an approval of the new actuation plan. Upon receiving the patient's approval, requesting by the patient device, from the main server, the new actuation plan from the main server, and reconfiguring the bone fixation device with the new actuation plan.

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 utility model discloses an anastomat nail box base, and relates to the field of medical instruments, the anastomat nail box base comprises a base body, the top of the base body is rotatably provided with a nail abutting plate used for clamping tissue of a patient, the bottom of the nail abutting plate is fixedly connected with a cutter, and the middle of the base body is provided with a broken groove used for reducing tissue damage; contact plates are inserted in the positions, on the two sides of the broken groove, of the base body, a plurality of first communicating grooves are formed in the tops of the two contact plates, and second communicating grooves are formed in the positions, located in the first communicating grooves, of the upper end face of the base body; an interaction cavity communicated with the multiple second communicating grooves is formed in the base body, a synchronous plate used for fixing nail bodies is movably arranged in the interaction cavity, a nail box is arranged at the position, located at the bottom of the synchronous plate, in the interaction cavity in an inserted mode, release openings are formed in the positions, located in the multiple second communicating grooves, of the top of the nail box, and multiple pop-up anastomosis nails are arranged in the multiple release openings. The nail box can fix the nail body in multiple directions to prevent looseness, and meanwhile the nail box is easy to install and operate and convenient to replace.

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 provides a multi-degree-of-freedom double-arm skin flap retraction robot which comprises a multi-source sensing system, driving systems, a supporting frame and at least two skin flap supporting arms, the driving systems are installed on the supporting frame, each skin flap supporting arm is connected with one driving system, and the driving systems are installed on the supporting frame. The driving system drives the skin flap supporting arm to advance, retreat, lift and pitch, and the multi-source sensing system comprises a spatial position and posture sensing unit and a force touch sensing unit. Each skin flap supporting arm is provided with a spatial position and posture sensing unit and a force touch sensing unit which can monitor the configuration change and the stress state of the skin flap supporting arm in real time. The skin flap retractor has the advantages that dynamic supporting and retraction of skin flap tissue can be achieved, it is guaranteed that the surgical field is fully exposed, meanwhile, single-point tissue compression and trauma risks caused by a traditional retractor are reduced, manpower resources are saved, operation safety is guaranteed, and retraction efficiency and stability are improved.

Anchors for anchoring soft tissue to bone are provided. In one exemplary embodiment, an anchor can include a non-threaded, asymmetric anchor body having a distal nose and a spine extending proximally from one side of the distal nose, and a deflectable clip extending proximally from a side of the nose opposite the spine. The spine defines a back surface of the anchor body. The spine has an outer bone engaging surface, an inner tissue seating surface opposite the outer bone engaging surface, and opposed lateral sides. The deflectable clip and a portion of the spine defines a guide region configured to accommodate and shield a leading end of a soft tissue to be attached to bone. Soft tissue anchoring systems and methods for inserting an anchor into bone are also provided.

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 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.