摘要:
An external fixation system having a fixation component (20) comprising: a) a first capture member (24) adapted to capture a second element (26) of an orthopedic fixation system; and (b) a second capture member (22) adapted to capture a second element (28) of an orthopedic fixation system and coupled to the first capture member such that the coupling (86,94,110) allows the first capture member and the second capture member to rotate about three axes relative to each other element and move along that axis; wherein the coupling is adapted to secure the first and the second capture members from rotation with an activation (100); and wherein the second capture member is adapted to capture the second element by snapping onto the second element from substantially perpendicular to longitudinal axis of the second element.
摘要:
A modular intramedullary nail (10) has two or more modular components (12, 14, 16) of varied sizes and designs, which are joined by a Morse taper friction fit (28). Adjacent modular components are prevented from rotating relative to each other, and can be properly aligned when assembled.
摘要:
A modular intramedullary nail includes three nail components connectable end to end. The components are a proximal component (11), a curved, elongated central nail component (12), and a distal nail component (13). An open ended longitudinal bore extends through each nail component. The nail components are connected by corresponding conical projecting (31) and conical socket (27) end portions that fit together and are secured by impact. The connecting end portions have corresponding tooled flat portions adjacent the conical portions to make the connections self orienting. The tool flat portions align upon assembly to prevent rotation between the components and to ensure that the components are radially aligned. A cannulated, threaded fastener (14) provides additional fixation between the components by extending through the longitudinal bore of the three sections. A proximal enlarged head portion (15) of the fastener engages the proximal nail component, while a distal threaded section (18) of the fastener engages corresponding internal threads in the bore of the distal nail component.
摘要:
A modular intramedullary nail includes three nail components connectable end to end. The components are a proximal component (11), a curved, elongated central nail component (12), and a distal nail component (13). An open ended longitudinal bore extends through each nail component. The nail components are connected by corresponding conical projecting (31) and conical socket (27) end portions that fit together and are secured by impact. The connecting end portions have corresponding tooled flat portions adjacent the conical portions to make the connections self orienting. The tool flat portions align upon assembly to prevent rotation between the components and to ensure that the components are radially aligned. A cannulated, threaded fastener (14) provides additional fixation between the components by extending through the longitudinal bore of the three sections. A proximal enlarged head portion (15) of the fastener engages the proximal nail component, while a distal threaded section (18) of the fastener engages corresponding internal threads in the bore of the distal nail component.
摘要:
An apparatus for treating fractures. The apparatus may include one or both of an implant, such as an intramedullary nail (100), and a fastening assembly (200)), such as a lag screw (202) and compression screw assembly (204). The implant has a proximal section with a transverse aperture (118). The fastening assembly may be received to slide, in a controlled way, in the transverse aperture of the implant. The engaging member and the compression device are configured so that the compression device interacts with a portion of the implant and a portion of the engaging member to enable controlled movement between the first and second bone fragments. This configuration is useful for, among other things, compressing a fracture.
摘要:
An apparatus for treating fractures. The apparatus may include one or both of an implant, such as an intramedullary nail (100), and a fastening assembly (200)), such as a lag screw (202) and compression screw assembly (204). The implant has a proximal section with a transverse aperture (118). The fastening assembly may be received to slide, in a controlled way, in the transverse aperture of the implant. The engaging member and the compression device are configured so that the compression device interacts with a portion of the implant and a portion of the engaging member to enable controlled movement between the first and second bone fragments. This configuration is useful for, among other things, compressing a fracture.
摘要:
Bone plates (50) with an upper surface (54), a bone contacting surface (56), and at least one hole (52) extending through the upper and bone contact surfaces (54, 56)are disclosed. A hole interchangeably accepts a compression screw for compression of a fracture and a locking screw that threads into the bone plate.
摘要:
Apparatuses for externally fixing and precisely adjusting fractures, such as fractures near the ankle, are disclosed. In one embodiment, an external fixation apparatus includes a first member attachable to a first bone segment through pins, a second member coupled to the first member through a lockable ball joint, wherein first and second ends of the second member may be translated transversely relative to a longitudinal axis of the second member, and a pin clamp coupled to and rotatable about the second member through a lockable joint and attachable to a second bone segment. The pin clamp and the second member may be releasably coupled.