1494results about "Bone plates" patented technology

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.

An example apparatus is provided for the approximation of two bones. The apparatus can include a nail configured to be disposed within a first bone (e.g., the fibula). The nail can include a proximal end, a distal end, and a rigid body. The apparatus can further include one or more first threads disposed along the proximal end of the nail, and one or more second threads disposed along the distal end of the nail. The first thread(s) can be axially spaced from the second thread(s).

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 bone fixation system for reconstruction and / or trauma treatment of bones, the bone fixation plate comprising: a bone fixation plate configured and dimensioned for application to a patient's bone, the bone fixation plate comprising an in-use upper surface and an in-use lower surface with at least one opening formed on the upper and lower surfaces to form a passage extending from the upper surface to the lower surface; each passage being defined by inner walls extending from the upper surface to the lower surface, the inner walls having a height extending between the upper surface and the lower surface, the inner wall further comprising: a threaded inner wall portion extending from the upper surface towards the lower surface, the threaded inner wall portion having threads with a thread pitch (PW); and a non-threaded lower inner wall portion extending from a lower part of the threaded inner wall portion towards the lower surface of the bone fixation plate; and at least one bone screw with a threaded screw head having threads with a thread pitch (PH) for engaging and interfacing with the threaded inner wall for variable angle anchoring of the threaded screw head during use.

An acromioclavicular steel plate assembly includes an acromion steel plate and a clavicle steel plate, one end of the clavicle steel plate has a positioning head, the acromion steel plate is an integrated steel component with three perpendicular acromion planes in a U shape, the three acromion planes being a body, a first fixing portion, and a second fixing portion, a notch is arranged on a side surface of the first fixing portion, a first avoidance gap is provided in the body, two convex limiting protrusions and a convex spherical hinge protrusion are arranged on three side surfaces of the positioning head respectively, the positioning head can pass through the first avoidance gap and embed the spherical hinge protrusion into the notch, and a total width of the positioning head at the two limiting protrusions is greater than a width of the first avoidance gap.

A self-contouring plate system for bone fractures comprises a plurality of rigid plate elements connected by ball-and-socket joints. Each plate element includes a ball at one end and a socket at an opposite end for receiving a ball from an adjacent plate element. A single fastener for each plate element serves the dual function of securing the plate to bone and compressing the ball into the socket to lock the joint. The fastener includes bone threads for engaging bone and a head with a lower surface that directly contacts and compresses the ball. The system allows initial flexibility for contouring to complex bone shapes, then locks into position when the fasteners are tightened. The length is adjustable by adding or removing plate elements. Each plate element maintains substantially uniform thickness without protruding elements, and the balls are solid spherical members without through-holes to maximize strength and range of motion.

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.

Systems and methods for verifying the quality of patient specific implants are disclosed. A system can generate implant data, such as design files or fabrication instructions, for manufacturing the implant. The system can manage access to the implant data based on authentication levels. Based on the determined authentication level of the user requesting access to the implant data, the system can permit the user to access some or all of the implant data. The system can perform a quality check on a manufactured implant by scanning the manufactured implant to identify any errors in the manufactured implant.

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.

An adjustable implant system configured to non-invasively guide bone growth in a patient. The adjustable implant system includes a tether having a first end coupled to a fixed bone anchor and a second end coupled to an adjustable bone anchor. The adjustable bone anchor includes a driver disposed within a housing and the driver is configured to actuate in response to an externally applied magnetic field. The adjustable implant system includes an external adjustment device configured to non-invasively actuate the driver disposed within the adjustable bone anchor. Non-invasive actuation of the driver can cause the adjustable bone anchor to increase or decrease the amount of tension on the tether.

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.

An example apparatus is provided for the approximation of two bones. The apparatus can include a first anchor configured for insertion into a first bone. The apparatus can include a flexible segment, and an internal mechanism configured to adjust a distance between the first bone and a second bone. The internal mechanism can include first and second components, the first component configured to engage with a distal end of the flexible segment, and the second component configured to engage with the first component and the first anchor such that the second component is movable along a length of the first anchor to cause the first component to move thereby adjusting the distance. The apparatus can include a second anchor configured to engage with the second bone and the flexible segment such that the flexible segment extends between the first component of the internal mechanism and the second anchor.

An intramedullary bone growth nail device for moving a bone section. The device includes an elongate housing having a first end configured to be secured to a bone section and a second end. The apparatus also includes a drive system positioned within the elongated housing and including a gearbox, a motor, and a controller coupled to the motor. The drive system is mechanically coupled to a delivery mechanism that axially delivers the movable bone section adjacent the elongate housing.

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.

The present disclosure is directed to an expandable medical implant for the repair of cranium defects in adolescent patients. The implants of the present disclosure can include a plurality of interconnected links that are movable with respect to each other as the underlying cranium grows and expands.

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.

An orthopedic implant system can be used to fixate two bones (e.g., to portions of a single bone) relative to each other during a surgical procedure. In some configurations, the implant system includes a staple having at least two legs separated by a bridge. The staple can include at least two couplings on either side of the bridge accessible through a top surface of the staple connectable to two corresponding coupling shafts. The coupling shafts can attach through the top surface of the staple without extending below an underside of the staple. The coupling shafts can be used to bias the at least two legs of the staple away from each other for insertion into holes formed into two bones. By attaching the coupling shafts through the top of the staple, the staple can be inserted flush with the two bones before releasing the shafts.

The utility model relates to medical equipment technical field, concretely relates to a kind of distal end front lateral tibia locking steel plate, including distal end steel plate section, connecting portion and proximal end steel plate section being sequentially connected, the connecting portion is from the distal end steel plate section to the proximal end steel plate section setting, uses, the locking position of extension locking steel plate can be adjusted by extension locking component, i.

A method for providing a bending mold for an off-the-shelf implant, the method comprising obtaining information about a bony anatomy of a patient from one or more medical images; developing a virtual three-dimensional model of the bony anatomy based on the information about the bony anatomy, selecting an off-the-shelf implant, simulating a bending of the off-the-shelf implant using a three-dimensional model of the selected off-the-shelf implant and the virtual three-dimensional model of the bony anatomy to obtain a virtually bent implant having a first, bone-facing, surface and a second surface opposite the first surface, using the virtually bent implant, designing a bending mold mating with the first or the second surface, and based on the design of the bending mold, manufacturing the bending mold using additive manufacturing.

Bone plates are disclosed for veterinary uses. For example, the bone plates could be utilized for repairing medial patellar luxation in animals, such as canines, felines, or equines, for example. The bone plates may include various features for better accommodating the anatomy and native tissue structure of the proximal tibia of the animal.

Disclosed is a device for total wrist fusion that includes (a) a first section, which is preferably a plate, that is positioned under the skin on top of the forearm, wrist and potentially part of the hand and connected to one or more of the radius or carpal bones, (b) a second section, which is preferably in the shape of an awl and is received in the cannula of the third metacarpal bone. Optionally, an anti-rotational third section may be included, which can connect to the top of the third metacarpal bone.

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 surgical method for expanding a thoracic cage during a surgical procedure includes cutting through a thoracic cage to create an upper thoracic cage portion and a lower thoracic cage portion, separating the first thoracic cage portion and the second thoracic cage portion to open the thoracic cage, and installing, between the first thoracic cage portion and the second thoracic cage portion, a device that holds the first thoracic cage portion and the second thoracic cage portion apart from each other to expand a thoracic cavity of the thoracic cage. The surgical method includes a post-surgical cavity volume of the thoracic cage that is larger relative to a pre-surgical cavity volume of the thoracic cage.

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.