6078 results about "Locking plate" patented technology

An anterior buttress staple and screw system is provided that can be used to hold an implant such as a disc prosthesis in place and thereby prevent its migration out of the spinal column. The buttress staple comprises a screw locking plate having a screw locking design that prevents the screw from backing up and away from the plate. The screw is configured to provide an interference fit with the screw locking plate, and can be used as a staple removal tool during revision surgery when the screw locking plate needs to be lifted from the bone surface on which it is attached.

A system for percutaneous fracture repair of a bone is provided. The system includes a plate having a first feature and a second feature. The first feature and the second feature are spaced apart from each other. The plate defines a longitudinal axis of the plate. The system also includes a first attachment component operably associated with the first feature. The first attachment component cooperates with the bone. The system also includes a second attachment component operably associated with the second feature. The second attachment component is percutaneously inserted into the second feature. The second attachment component is operably associated with the plate to provide a compressive force in the bone. The compressive force has a component of the force in the longitudinal axis. The second attachment component is adapted for cooperation with the bone.

A system for mandibular reconstruction generally includes an elongated locking plate having a plurality of internally threaded apertures and a plurality of fasteners. Each fastener includes a main body portion having an upper threaded shaft and a lower threaded shaft. The lower threaded shaft is adapted to engage the mandible. Each fastener further includes a removable head portion internally threaded for engaging the upper shaft portion and externally threaded for engaging a selected one of the internally threaded apertures of the locking plate. In the preferred embodiment, the thread leads of the head portion and lower shaft of the main body portion are identical. A method of mandibular osteosynthesis utilizes the system of osteosynthesis and generally comprises the steps of temporarily securing the elongated locking plate to the mandible with at least one fastener by engaging the threads of the lower portion with the mandible and threadably engaging the head with the locking plate, unthreading the head portion from the main body of the fastener to thereby allow displacement of the locking plate from the mandible without removing the fasteners from the mandible, performing a surgical procedure (e.g., removal of a cancerous growth), and re-securing the elongated plate to the fastener with the removable head portion.

Methods and devices are disclosed for treating the vertebral column. An integrated fixation plate and spacer having a retaining structure within the screw holes of the fixation plate to resist backout of screws attaching the fixation plate to the bone is provided. A movable joint may be provided between the fixation plate and spacer. In some embodiments, a screw hole insert is also provided to resist shear forces acting between the screw and fixation plate. In some embodiments, an integrated fixation plate and spacer system is provided, comprising two or more integrated fixation plate and spacer implants, wherein the fixation plates of each implant has a complementary configuration to allow attachment of the implants at adjacent intervertebral spaces. Alternative fixation systems are also contemplated.

Disclosed is a bone fracture fixation system, such as for reducing and compressing fractures in the proximal femur. The fixation system includes a plurality of elongated bodies with a helical cancellous bone anchor on a distal end of each of the bodies. An axially moveable plate with a plurality of openings is carried by the proximal end of the elongated bodies. The elongated bodies are rotated into position across the fracture or separation between adjacent bones and into the adjacent bone or bone fragment, and the plate is distally advanced to apply secondary compression and lock the device into place. The device may also be used for soft tissue attachments.

A system for mandibular reconstruction generally includes an elongated locking plate having a plurality of internally threaded apertures and a plurality of fasteners. Each fastener includes a main body portion having an upper threaded shaft and a lower threaded shaft. The lower threaded shaft is adapted to engage the mandible. Each fastener further includes a removable head portion internally threaded for engaging the upper shaft portion and externally threaded for engaging a selected one of the internally threaded apertures of the locking plate. In the preferred embodiment, the thread leads of the head portion and lower shaft of the main body portion are identical. A method of mandibular osteosynthesis utilizes the system of osteosynthesis and generally comprises the steps of temporarily securing the elongated locking plate to the mandible with at least one fastener by engaging the threads of the lower portion with the mandible and threadably engaging the head with the locking plate, unthreading the head portion from the main body of the fastener to thereby allow displacement of the locking plate from the mandible without removing the fasteners from the mandible, performing a surgical procedure (e.g., removal of a cancerous growth), and re-securing the elongated plate to the fastener with the removable head portion.

A system adapted to be implanted in a patient to stabilize a spinal column of the patient comprises an anchoring plate having a shape generally conformal with at least a portion of a lamina associated with a targeted vertebra of the spinal column. The anchoring plate is securable to the targeted vertebra by two or more screws. A mounting bracket adapted to receive an secure a rod is connected with the anchoring plate.

In a manipulator, an actuator block contains motors and rotary shafts extending from the motors. A working unit of the manipulator contains a connecting portion, attachable to and detachable from the actuator block. The connecting portion has pulleys connectable to ends of the rotary shafts, and has a locking plate movable by alignment pins. The locking plate has slits, which are engaged with plate-shaped portions formed on the upper ends of the pulleys. A coil spring is placed between the locking plate and a top plate.

The invention discloses an automatic lock cylinder assembly machine which comprises a machine body and a rotating plate assembly with a lock cylinder arranged on the machine body, wherein an upper lock cylinder manipulator assembly, an upper spring assembly, a spring dection assembly, two upper lock plate assemblies, a key inserting manipulator assembly, a lock cylinder detection assembly, and a finish-product grabbing manipulator assembly are successively arranged along the clockwise circumference direction of the rotating plate assembly, wherein the finish-product grabbing manipulator assembly comprises a good product grabbing manipulator assembly and a defective product grabbing manipulator assembly; and the upper lock cylinder manipulator assembly, the key inserting manipulator assembly, the lock cylinder detection assembly, the good product grabbing manipulator assembly and the defective product grabbing manipulator assembly are all arranged on the rotating plate assembly, the rest assemblies are all arranged on the machine body, the machine body is provided with a bracing wire feeding mechanism for conveying the lock cylinder and a key to the corresponding position, and the assemblies are all connected with a master control circuit and are controlled by the master control circuit. The automatic lock cylinder assembly machine provided by the invention not only has the advantages of high production efficiency and low space capacity, but also ensures that the lock cylinder assembling quality is improved.

In a shelf apparatus for a showcase, which is provided with a shelf support for supporting a shelf plate on which commodities are placed so as to be slidable in a depth direction, the shelf apparatus is constructed so that the shelf support is provided with a locking plate extending in a width direction of the shelf plate, and the shelf plate is provided with a hooking member which is formed with a steel rod member which extends in the depth direction and whose rear portion further extends along the locking plate on a back surface side of the shelf plate, and also which enables the rear portion to be locked to and unlocked from the locking plate by being swayed vertically. When the shelf plate is held on the shelf supports, the rear portion of the hooking member is locked to the locking plate. By doing this, the shelf plate does not slide forward. When the shelf plate is pulled out forward, the hooking member is unlocked from the locking plate by being swayed vertically. By doing this, the shelf plate can be pulled out forward.

An orthopedic assembly including a plate and a locking screw that interlocks with the plate to secure the plate to a bone while the bone heals. To minimize galling or cold welding within an engagement region of the orthopedic assembly, an anodized coating, such as a Type II anodized coating, may be applied to both engaging surfaces of the engagement region. To avoid having to mask portions of the plate and the locking screw outside of the engagement region during the coating process, the anodized coating may be applied to the entire plate and the entire locking screw.

A throw-lever releasable mounting system for mounting a device in quick-release relation to a support member has a mounting base having a configuration fitting opposed angulated rail surfaces and having a locator key engaging a positioning slot of the rail. Each mounting base provides for mounting and stabilization of optics mounting rings. A locking platform projects from the mounting base and defines a locking opening having a circular hard metal insert therein that defines a receptacle receiving a resilient member and providing for location of the spline / spindle shaft of a rotatable locking plate. A locking plate of a throw-lever that is rotatable between locking and unlocking positions has angulated and curved cam surfaces for forcibly engaging correspondingly angulated surfaces of the rail to achieve cam energized precision locating and locking engagement with the rail. A non-circular section of a spline / spindle shaft of the throw-lever is receives a drive member in non-rotatable and linearly moveable relation. Resilient members are interposed between the drive member and the hardened insert and prevent free throw-lever movement at the release position thereof.

The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine.

A system for mandibular reconstruction generally includes an elongated locking plate having a plurality of internally threaded apertures and a plurality of fasteners. Each fastener includes a main body portion having an upper threaded shaft and a lower threaded shaft. The lower threaded shaft is adapted to engage the mandible. Each fastener further includes a removable head portion internally threaded for engaging the upper shaft portion and externally threaded for engaging a selected one of the internally threaded apertures of the locking plate. In the preferred embodiment, the thread leads of the head portion and lower shaft of the main body portion are identical. A method of mandibular osteosynthesis utilizes the system of osteosynthesis and generally comprises the steps of temporarily securing the elongated locking plate to the mandible with at least one fastener by engaging the threads of the lower portion with the mandible and threadably engaging the head with the locking plate, unthreading the head portion from the main body of the fastener to thereby allow displacement of the locking plate from the mandible without removing the fasteners from the mandible, performing a surgical procedure (e.g., removal of a cancerous growth), and re-securing the elongated plate to the fastener with the removable head portion.

A locking plate intended to be implanted at a bone site and a method for producing and implanting this device. At least one expandable bushing is engaged with a through-hole in the plate. The bushing includes an exterior surface with at least one recess and a passageway including a threaded interior surface. The expandable bushing is initially in a first configuration that permits poly-axial rotation of the bushing within the through-hole. An elongated anchoring member is provided with a distal portion and a proximal portion including a head portion with threads complementary to the threads on the interior surface of the expandable bushing. The proximal portion expands the bushing to form a friction lock between the bushing and the plate in a selected polyaxial position in a second configuration. At least one discrete blocking member is fixedly engaged with the body portion of the plate and extends into the through-hole to engage with the recess on the expandable bushing. The blocking member inhibiting rotation of the expandable bushing relative to the through-hole.

A bone stabilization device which permits a user to drill one or more holes at a desired location and trajectory for insertion of a fastener. The stabilization device may comprise a bone plate, a locking plate, an intermedullary rod, and / or an artificial vertebrae. The stabilization device may comprise a portion of penetrable material, such as polyetheretherketone or other inert material.

A suspension connection means that allows fast disconnection includes a connecting base and a connecting portion; the connection base is connected to a cantilever; and the connecting portion is connected to a back of a screen; two sliders on the connecting portion are placed in a slide; a locking plate from the connecting portion slides into a channel on the connecting base; and the screen connected to the connecting portion is removed from the cantilever by pushing a press portion to clear the locking plate out of the channel for removing the connecting portion.

The invention relates to a flexible continuous-body mechanical structure capable of being bent and telescopic. The flexible continuous-body mechanical structure comprises a far structure body, a near structure body and a middle connection body. The far structure body comprises a far partition body, a far locking plate, a structure frame and a far moving chain. The near structure body comprises a near partition body, a near locking plate and a structure frame. The far structure body is related to the near structure body through the middle connection body, and one end of the structure frames are fixed on the near locking plate, sequentially penetrates through the near partition plate, the middle connection body and the far partition plate, and is fixed on the far locking plate, so that when the near structure body is driven to be bent and / or telescopic in any direction, the far structure body is correspondingly bent and / or telescopic in the opposite direction. The flexible continuous-body mechanical structure can be bent and / or telescopic in any direction by means of the very simple structure bodies and has very wide purposes.

A throw-lever releasable mounting system for mounting a device in quick-release relation to a support member has a mounting base having a configuration fitting opposed angulated rail surfaces and having a locator key engaging a positioning slot of the rail. Each mounting base provides for mounting and stabilization of optics mounting rings. A locking platform projects from the mounting base and defines a locking opening having a circular hard metal insert therein that defines a receptacle receiving a resilient member and providing for location of the spline / spindle shaft of a rotatable locking plate. A locking plate of a throw-lever that is rotatable between locking and unlocking positions has angulated and curved cam surfaces for forcibly engaging correspondingly angulated surfaces of the rail to achieve cam energized precision locating and locking engagement with the rail. A non-circular section of a spline / spindle shaft of the throw-lever is receives a drive member in non-rotatable and linearly moveable relation. Resilient members are interposed between the drive member and the hardened insert and prevent free throw-lever movement at the release position thereof.

Disclosed is a bone fracture fixation system, such as for reducing and compressing fractures in the proximal femur. The fixation system includes a plurality of elongated bodies with a helical cancellous bone anchor on a distal end of each of the bodies. An axially moveable plate with a plurality of openings is carried by the proximal end of the elongated bodies. The elongated bodies are rotated into position across the fracture or separation between adjacent bones and into the adjacent bone or bone fragment, and the plate is distally advanced to apply secondary compression and lock the device into place. The device may also be used for soft tissue attachments.

Methods and apparatuses for providing secure fiber optic connections are disclosed. In one embodiment, a locking apparatus comprising a locking plate to secure fiber optic connections is disclosed. The locking plate is configured to be attached to a fiber optic adapter panel and adjustably positioned to a selected position such that when a fiber optic connector on the end of a fiber optic cable is connected to a fiber optic adapter on the fiber optic adapter panel, the fiber optic cable is allowed to pass through a cut-out area of the locking plate but a finger portion of the locking plate does not allow the fiber optic connector to pass through the cut-out area. A lock disposed on the locking plate is configured to keep the locking plate in the selected position. The locking apparatus may also be used to securely store unused or unconnected ports of an optical splitter in a separate enclosure, such as a parking lot compartment.

A lock snap structure of a slide rail includes an inner rail provided with two adjacent locking plates and a locking groove between the two locking plates. Each locking plate is formed with a slope. An outer rail mounted on the inner rail is provided with a retaining plate which has a guide block which may move along the slope of the locking plates to enter the locking groove. A drawing plate mounted between the inner rail and the outer rail has a first end that may be pulled and a second end pulled by an elastic member. The drawing plate has a slot hole provided with a guide plate which has an oblique shoulder that may press the guide block when the drawing plate is moved, so that the guide block may detach from the locking groove between the locking plates.

What is provided is a fixation system that offers a strong and stable construct for maximum fusion augmentation and yet is versatile enough for any patient and is easy to use. Disclosed is a connection assembly for connecting a spinal implant, the assembly comprising: a body, the body including a body opening for receiving at least a portion of a first connector; a swivel having first and second ends and being operatively connected to the body, the first end including a swivel opening for receiving at least a portion of a second connector; a locking plate having an arm at least partially extending into the body opening; a locking unit operatively connected to the body and contacting the second end of the swivel; and whereby activation of the locking unit causes the arm to engage the first connector and swivel opening to engage the second connector thereby preventing relative rotation between the first and second connectors.

A locking assembly is disclosed for use with a walker having foldable side members. The locking assembly includes a locking pin movable between a first position in which the corresponding side member is held in a locked, unfolded state and a second position in which the side member is in an unlocked, folded state. A lock plate extends transversely to the longitudinal axis of the corresponding side member, and includes an aperture adapted to receive a locking end of the locking pin when the pin is in its first position. A lever is coupled to the locking pin such that when the lever is pivoted by upwardly applied pressure, the locking pin is moved from its first position to its second position to permit rotation of the corresponding side member to its folded state.

An opening-closing device includes a fixed gear of a fixed body, a conversion gear engaged with the fixed gear, a movable gear of a movable body, and a relay gear engaged with the conversion gear and with the movable gear, all of which are attached to a locking plate. The movable body can be held at a predetermined angle with respect to the fixed body by making an engaging portion in the locking plate is contacted with a locking portion in the fixed body and by making the conversion gear move to another position when the movable body is opened at the predetermined angle with respect to the fixed body. Moving the conversion gear to another position makes it possible to perform opening and closing operations in a greater angle. Thus, the opening-closing device can have a simple structure and perform a variety of opening and closing operations.

An opening-closing device includes a fixed gear of a fixed body, a conversion gear engaged with the fixed gear, a movable gear of a movable body, and a relay gear engaged with the conversion gear and with the movable gear, all of which are attached to a locking plate. The movable body can be held at a predetermined angle with respect to the fixed body by making an engaging portion in the locking plate is contacted with a locking portion in the fixed body and by making the conversion gear move to another position when the movable body is opened at the predetermined angle with respect to the fixed body. Moving the conversion gear to another position makes it possible to perform opening and closing operations in a greater angle. Thus, the opening-closing device can have a simple structure and perform a variety of opening and closing operations.

The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine.

A new interface for a magazine follower and floor plate is used to provide greater stability to the round stack and a more sturdy system overall. The floor plate is designed with two opposite legs, the rear being shorter than the front leg so as to facilitate travel throughout the magazine and clearing of accumulated dirt and debris. The floor plate, in one embodiment, utilizes a lock plate that is shaped and sized to become a shoe for the compressed spring and associated follower. In an alternate embodiment, the floor plate itself serves the purpose and, with provided teeth, directly fastens to the magazine casing at notches manufactured in the magazine wall for that purpose. Other enhancements to the magazine include at least one matrix of divots to provide a paint surface, an over-insertion stop and a lower rear geometry to aid in clearing debris and grit.