887results about "Osteosynthesis devices" patented technology

The present disclosure relates to surgical systems, devices and methods for planning and performing surgical procedures, including bone fracture repair. The systems and methods disclosed herein can be utilized to establish physical models of anatomical structures.

Expandable spinal implants, systems and methods are disclosed. An expandable spinal implant may include a first endplate, a second endplate, and a moving mechanism that is operably coupled to the first and second endplates. The moving mechanism may include a wedge, a first sliding frame and a second sliding frame disposed on opposite sides of the wedge, a screw guide housing a rotatable first set screw and a rotatable second set screw opposite the first set screw. The first set screw may be operably coupled to the second sliding frame and the second set screw may be operably coupled to the wedge. The moving mechanism may operably adjust a spacing between the first and second endplates upon simultaneous rotation of the first and second set screws and operably adjust an angle of inclination between the first and second endplates upon translating the first set screw or second set screw.

The present application is directed a Joint Revision Surgery Apparatus which includes a surgical knife blade guide block which has a plurality of rearward blade guide slots, a central cavity and a large forward slot having an adjustable knife blade guide pressure plate. The surgical knife blade guide block central cavity houses a stem trunnion securing member and is positioned over the trunnion end of the existing prosthesis to be removed and secured to the prothesis. The guide blade block is secured to the trunnion of the prosthesis to be extracted using a stem trunnion securing member housed within the guide block. Straight, curved and compound curved knife blades are guided by the blade guide slots to cut the prothesis free. The Joint Revision Surgery Apparatus facilitates rapid, efficient and complete removal of an existing prosthesis during joint revision surgery, and significantly increases positive medical outcomes for joint revision procedures.

An apparatus can include an osteotome blade including an elongate main body extending from a proximal end to a distal end, the elongate main body having a curved cross-section and defining a helical path along at least a portion of a longitudinal axis of the elongate main body, wherein the distal end includes a distal cutting edge.

Disclosed are surgical tool systems and methods for installing a fixator in biological tissue with precision and efficiency. These systems are designed to measure torque and rotational velocity accurately while providing real-time feedback to the user during surgical procedures. Utilizing integrated sensors, the system calculates torque and energy-rotation parameters, including mean torque, mean rotational velocity, mean power, and total energy. Based on these measurements, the system generates a Property I value—a weighted combination of these parameters—to assess whether the operation falls within optimal ranges. If the Property I values deviate from these ranges, the system generates corrective signals and adjusts the tool's operation to ensure optimal performance. In some cases, this iterative process continues until the fixator installation is successfully completed, enhancing surgical accuracy and reducing the risk of errors.

A system is provided for the approximation of two bones. The system may include an implant having a first anchor, a flexible segment, and a second anchor. The first anchor may be configured for insertion into a first bone. The second anchor may be configured to engage with a second bone. The flexible segment may extend between the first and second anchors. The system may include a delivery device which may include a removable driver configured to facilitate insertion of the first anchor into the first bone, and a first handle configured to engage the removeable driver. The delivery device may include a second handle configured to increase tension on the flexible segment. The delivery device may include a third handle configured to engage the second anchor with the second bone and to attach the flexible segment to the second anchor.

A patella drill guide includes a head having a convexly curved outer surface. Cylindrical channels extend through the head. The drill guide also includes collar having an inner surface that defines a concavity corresponding in shape to the convexly curved outer surface. The inner surface of the collar is fitted to the outer surface of the head to define an articular joint.

The present application is directed a Joint Revision Surgery Apparatus which includes a surgical knife blade guide block which has a plurality of rearward blade guide slots, a central cavity and a plurality of guide slots having a two-way adjustable L-shaped guide plate. The surgical knife blade guide block central cavity houses a stem trunnion securing member and is positioned over the trunnion end of the existing prosthesis to be removed and secured to the prothesis. The guide blade block is secured to the trunnion of the prosthesis to be extracted using a stem trunnion securing member housed within the guide block. Straight, curved and compound curved knife blades are guided by the blade guide slots to cut the prothesis free. The Joint Revision Surgery Apparatus facilitates rapid, efficient and complete removal of an existing prosthesis during joint revision surgery, and significantly increases positive medical outcomes for joint revision procedures.

A tool kit for minimally invasive implantation of a tendon fixation implant in the field of arthroscopic human medicine is provided. The tendon fixation implant includes a medial anchor, a lateral anchor, and a base plate. The tool kit includes a medial anchor inserter having a medial anchor drive mandrel and a medial anchor release tube. The medial anchor release tube is designed to receive the medial anchor drive mandrel. The medial anchor drive mandrel is designed both to receive a medial anchor and to introduce the medial anchor into bone by driving it into the latter. The medial anchor drive mandrel has a locking head for locking the medial anchor drive mandrel to the medial anchor release tube. The tool kit includes a base-plate inserter having a handpiece and a base-plate inserter tube designed to receive the base plate of the tendon fixation plate.

An instrument system includes a first cut guide and an actuation instrument. The actuation instrument includes an upper portion having a handle and a first cannulation, and a lower portion releasably couplable with the upper portion. The lower portion includes a shaft, a second cannulation, wherein the second cannulation is coaxial and in fluid communication with the first cannulation, and a paddle configured to abut a resected surface of a first bone. The instrument system also includes a compression mechanism releasably couplable with the lower portion, the compression assembly couplable with the first bone and a second bone The compression assembly includes an actuator configured to bias at least one of the first bone and the second bone toward the other of the first bone and the second bone. A method for using the instrument system is also disclosed herein.

Aiming at the problems that gears cannot be adjusted and operation is inconvenient in the prior art, the medical multi-gear torsion screwdriver comprises a screwdriver rod, a handle and an adjusting assembly, the first end of the screwdriver rod is connected with the adjusting assembly, the second end of the screwdriver rod extends out of the handle, a spring is arranged between the adjusting assembly and the handle, and the adjusting assembly is connected with the handle. The handle and the adjusting assembly are movably connected through the boss and the limiting grooves, the multiple limiting grooves are communicated with one another, the compression strength of the spring is changed by adjusting the position of the boss in the limiting grooves, and then the torsion of the cutter bar is adjusted. The boss is movably connected with the limiting groove, the compression strength of the spring is adjusted, then the torsion of the cutter bar is adjusted, compared with the prior art, gear adjustment can be achieved, operation is convenient, adjustment can be achieved without too many complex structures, cost is reasonable, a doctor can easily and rapidly adjust the torsion in the operation process, and the operation efficiency is improved. Therefore, the requirements of different operation scenes are met.

In some implementations, an adjustable anvil assembly and / or a floating impact assembly may be used in an orthopedic impactor tool to provide linear impacts. The adjustable anvil assembly may include a rotatable anvil portion and a non-rotatable anvil portion. The rotatable anvil portion may be rotatable relative to the non-rotatable anvil portion. The floating impact assembly may include a linear motion converter that interfaces with a thrown mass of the orthopedic impactor tool via a floating coupling interface.

Various implementations include an end effector for a total hip arthroplasty (THA) procedure. An example end effector can include: an adapter for holding a surgical instrument, the adapter having an elongate body and a projection extending therefrom; a main body having: a proximal end including an interface for attaching to a robot arm; and a distal end including an elongate recess and a slot for connecting with the surgical instrument; and a connector adapted to secure the projection in the slot to securely attach the adapter to the main body.

The present invention relates to a medical tool holder to which an impactor, a reaming machine, or the like used in surgical operations is attached, and more specifically to a medical tool holder that has a simple and concise structure, satisfies operational stability and durability, and can be used interchangeably. The medical tool holder according to the present invention includes a medical tool having a tool shaft, a holder body having a tool mounting hole formed therein for insertion of the medical tool, and tool holding means for holding the medical tool inserted into the holder body, wherein the tool holding means includes a tool holding and guiding member for holding the tool shaft and guiding its movement.

Various articulating tools for driving fasteners or other surgical implements are disclosed. The articulating tool may be removably connected to a handpiece comprising a motor. The articulating tool may include a torque transmission mechanism that includes a first shaft that extends through the lumen of the elongate outer housing. The first shaft may transfer the torque from the motor to an articulating torque transmission unit. The articulating torque transmission unit may transfer the torque to the bit that interlocks to the fastener. The articulating tool may include an orientation mechanism that is separate from the torque transmission mechanism. The orientation mechanism can have one or more controllers to rotate the articulating unit and driver head adapter about one or more axes.

The invention provides a distraction device and distraction equipment suitable for wedge high tibial osteotomy, and relates to the technical field of medical surgical instruments, the distraction device comprises a support, a first knife group, a second knife group and a first actuating part; the first cutter set is arranged on the support and protrudes out of the support in the first direction. The second cutter set is arranged on the support and protrudes out of the support in the second direction forming a first included angle with the first direction. And the first actuating part is configured to drive the bracket to rotate around the fixed shaft of the rotating shaft, so that the first knife group or the second knife group faces and extends into the bone seam. Wherein the thickness of the first knife group is configured to be smaller than that of the second knife group.

A surgical system for preparing the sacroiliac (SI) joint for a fusion, comprising a sliding joint finder and a working cannula. The working cannula comprises a body having a central axis that runs the length of the body. The body of the working cannula comprises a distal end, a proximal end and a central cavity that is positioned along the central axis of the working cannula and has suitable dimensions for sliding the working cannula over the sliding joint finder and the working cannula further comprises two protrusions extending proximally. In addition, the two protrusions have uneven lengths such that when the working cannula is inserted, the longer of the two protrusions engages the SI joint at a superior end of the SI joint and the shorter of the two protrusions engages the SI joint at an inferior end of the SI joint.

Provided is a large-angle quantitative bending rod bender, which comprises: a fixed handle (1) and a movable handle (2) that are connected to a pivot shaft (3), wherein the fixed handle (1) and the movable handle (2) are respectively located on two sides of the pivot shaft (3) and are pivotally connected by means of the pivot shaft (3); the pivot shaft (3) disposed on the fixed handle (1) and the movable handle (2); bending arms, comprising a first bending arm (4) that moves synchronously with the fixed handle (1) and a second bending arm (5) that moves synchronously with the movable handle (2), wherein the second bending arm (5) and the movable handle (2) are respectively located on the two sides of the pivot shaft (3), and the first bending arm (4) and the second bending arm (5) are pivotally connected by means of the pivot shaft (3); and a shift disc (6) disposed between the fixed handle (1) and the movable handle (2), comprising engaging teeth (8) disposed on the pivot shaft (3), stop blocks (7) that are fixedly connected to the fixed handle (1) by means of pin shafts (7-2, 7-3) and are oppositely disposed on the two sides of the pivot shaft (3), and sliding grooves (6-1) that are oppositely disposed on the two sides of the pivot shaft (3) and are both inclined inward, wherein the stop blocks (7) are pivotally connected to the sliding grooves (6-1) by means of the pin shafts (7-2, 7-3). When the rod bender performs large-angle bending of a connecting rod, the connecting rod can be bent to a precise angle.

The utility model provides an anti-receding expansion type interbody fusion cage, and relates to the technical field of medical equipment. The interbody fusion cage comprises a tube body and a pull rod. The pull rod comprises a rod body and a limiting block, and the rod body is inserted into the pipe body from one side. A limiting groove is formed in the inner side wall of the tube body, a baffle ring is arranged in the limiting groove, a clamping groove is formed in the rod body, and when the interbody fusion cage is opened, the baffle ring is arranged on the rod body in a sleeving mode and clamped into the clamping groove. According to the anti-receding expansion type interbody fusion cage, the invalid size of the cage after the cage is opened can be reduced, work is reliable, and the rebound risk is reduced.

The utility model discloses a bone cement monomer equalizer with a small structure, which comprises a shell, an equalizer arranged in the shell, a piston sleeve movably arranged in the equalizer, a liquid outlet hole formed in the center of the bottom of the piston sleeve, and a rubber plug movably clamped in the liquid outlet hole, a breaking and filtering assembly which is provided with an ampoule bottle and is not communicated with the external environment is vertically arranged in the piston sleeve in a communicating mode, four liquid collecting pipes are evenly distributed on the bottom wall of the equalizer, the four liquid collecting pipes are all communicated with the equalizer, pistons are movably arranged in the liquid collecting pipes in a sealed mode, drainage pipes are arranged in the pistons, and the drainage pipes are communicated with the liquid collecting pipes. The drainage tube penetrates through the liquid collecting tube and the shell and then extends outwards, a one-way Luer taper is arranged on the drainage tube, and the flow direction of the one-way Luer taper is from the outside to the drainage tube. The utility model has the advantages that the structure is small and exquisite, the production can be reduced, and the production and the use are convenient.

The utility model discloses needle grasping forceps under an arthroscope, which belongs to the technical field of needle grasping forceps and comprises a forceps body, a fixed forceps rod is arranged at one end of the forceps body, an extension rod is arranged at the other end of the forceps body, a fixed forceps and a movable forceps are respectively arranged at the tail end of the extension rod, a movable groove is arranged on the inner side of the middle of the forceps body, and a movable forceps rod is arranged in the movable groove. A clamping plate and a positioning plate are arranged on the opposite sides of the fixed forceps rod and the movable forceps rod, a clamping groove is formed in the bottom of the clamping plate, a clamping block is arranged at one end of the positioning plate, a pressing block is arranged at the top of the other end of the positioning plate, and a reset spring is arranged at the bottom of the pressing block. The clamping grooves in the clamping plate are matched with the clamping blocks on the positioning plate to form a clamping state, so that the fixed forceps rod and the movable forceps rod are clamped and positioned, the positioning of the movable forceps is realized, a certain labor-saving purpose is achieved without continuously applying force by a surgeon during use, and better operation of the surgeon is facilitated.

A surgical navigation tracker assembly including a rotational adapter for removably attaching a tracker to a surgical instrument assembly including a surgical handpiece. The adapter may be coupled to an end effector of the surgical instrument and configured to allow the end effector to actuate relative to the adapter. The end effector may comprise a stop, the adapter configured to abut the stop when coupled to the end effector. The adapter may comprise a mount for releasably securing the tracker to the adapter. The adapter may also comprise a biasing element, and the biasing element may comprise an abutment interface configured to engage either of the surgical handpiece or the stop when the end effector is coupled to the surgical handpiece. The biasing element is configured to limit rotation of the adapter relative to the surgical handpiece when the abutment interface is engaged with the surgical handpiece or the stop.

An apparatus and method for inserting a femoral broach or femoral stem or acetabular cup into a bone. The apparatus includes at least one closed loop insertion mechanism to provide impacts on the associated handles of the broach, stem, or the acetabular cup; at least one sensor to sense a series of impacts, including impact angle, and to provide real-time feedback of the alignment and / or condition of the bone; and a processor operably connected to the at least one sensor. The processor includes an algorithm that receives the real-time feedback to control the force, frequency, and alignment of the impacts by the at least one closed loop insertion mechanism.

The invention discloses kirschner wire operating forceps, and belongs to the technical field of medical instruments. Comprising an operating forceps body and a bending and cutting unit, the operating forceps body is provided with a left forceps body and a right forceps body, and the left forceps body is hinged to the right forceps body; the bending and cutting-off unit is arranged at the jaw end of the left clamp body and comprises two connecting plates, a positioning disc and a pressure applying disc, the positioning disc and the pressure applying disc are rotationally installed between the two connecting plates, the positioning disc is fixedly connected with the left clamp body, and a cutting edge protrudes outwards in the circumferential direction of the positioning disc. According to the kirschner wire operating forceps, the problems that after a kirschner wire is bent, the position and angle of the kirschner wire are possibly changed, at the moment, the stability of the kirschner wire is difficult to guarantee, the situation that the cutting position is inaccurate easily occurs, and even the kirschner wire is possibly bent or shifted again when a single cutting tool is used for operation are solved; the operation complexity and risk are increased.

A method for bone fixation using a compression staple system may include loading a compression staple including legs into an inserter, positioning a drill guide proximate first and second bone portions, using the drill guide and a drill to create a first and second hole in the first and second bone portions, wherein the first and second holes may be configured to receive the legs of the staple, using the drill guide and a first and second drill pin, driving the first and second drill pins into the first and second bone portions, withdrawing the drill guide and leaving the drill pins in the first and second bone portions, guiding the inserter and the staple over the first and second drill pins, inserting the legs of the staple into the first and second holes, actuating the inserter to release the staple, withdrawing the inserter, and removing the drill pins.

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.

In one embodiment, a router includes one or more processors and one or more computer-readable non-transitory storage media coupled to the one or more processors. The one or more computer-readable non-transitory storage media include instructions that, when executed by the one or more processors, cause the router to perform operations including receiving software-defined networking in a wide area network (SD-WAN) policies from a component of an SD-WAN network. The operations also include establishing a session with a mobile device and receiving information associated with the mobile device in response to establishing the session with the mobile device. The operations further include filtering the SD-WAN policies based on the information associated with the mobile device to generate SD-WAN device-specific policies and communicating the SD-WAN device-specific policies to the mobile device.

To provide a suture anchor used alone and formed of a soft material promoting an ability of fixing a suture without necessity of forming a knot, and adjusting, maintaining, and positioning a tissue to a desired position of a pilot hole during attachment of the anchor.SOLUTION: A knotless unstable anchor 10 includes an anchor having a first side surface and a second side surface, in which a suture material passes from the first side surface to the second side surface. The suture material includes: an adjustable loop 30 extending from the first side surface of the anchor; and a first rim 24 and a second rim 26 extending from the second side surface of the anchor. A splice 28 is formed in a first rim between a first end of the first rim and the anchor. A self folding loop 22 is formed in the first rim between the first end and the splice. The second rim extends so as to pass the splice of the first rim.SELECTED DRAWING: Figure 4

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.