摘要:
First and second bone segments separated by a fracture line or joint can be fixated or fused by creating an insertion path through the first bone segment, through the fracture line or joint, and into the second bone segment. An anchor body is introduced through the insertion path. The distal end of the anchor body is anchored in the interior region of the second bone segment. An elongated implant structure is passed over the anchor body to span the fracture line or joint between the bone segments. The proximal end of the anchor body is anchored to an exterior region of the first bone segment to place, in concert with the anchored distal end, the anchor body in compression, to thereby compress and fixate the bone segments relative to the fracture line or joint. A bony in-growth or through-growth region on the implant structure accelerates the fixation or fusion of the first and second bone segments held in compression and fixated by the anchor body.
摘要:
First and second bone segments separated by a fracture line or joint can be fixated or fused by creating an insertion path through the first bone segment, through the fracture line or joint, and into the second bone segment. An anchor body is introduced through the insertion path. The distal end of the anchor body is anchored in the interior region of the second bone segment. An elongated implant structure is passed over the anchor body to span the fracture line or joint between the bone segments. The proximal end of the anchor body is anchored to an exterior region of the first bone segment to place, in concert with the anchored distal end, the anchor body in compression, to thereby compress and fixate the bone segments relative to the fracture line or joint. A bony in-growth or through-growth region on the implant structure accelerates the fixation or fusion of the first and second bone segments held in compression and fixated by the anchor body.
摘要:
An implant having an integrated cutting broach and/or cutting burr. The integrated implant may be inserted without requiring separate steps for drilling and broaching bone. The integrated implant assembly may include an integrated implant, a flexible sheath, a delivery rod, and a delivery pin. The implant may have a core which may have any of a variety of cross-sectional geometries. A method for fusing bone may involve inserting the implant laterally through the ilium, through the sacral-iliac joint, and into the sacrum.
摘要:
An array of mechanical force reduction assemblies sized and configured to independently mechanically manipulate a fractured bone region. Each assembly functions independently of the other assemblies, to apply and maintain one of the prescribed mechanical reduction forces to the fracture, to thereby mechanically reduce the fracture in a desired way. A carrier coupled to the assembly accommodates temporary attachment of an orthotic brace, residing thereon, partially or fully assembled in a region of the bone fracture. A linkage mechanism accommodates the rotational articulation of the brace in response to the application of one or more mechanical force vectors, to move the bone fracture into a desired anatomic orientation. A locking mechanism maintains the orientation of the brace to maintain the desired anatomic orientation. After release from the carrier, the brace serves in an ambulatory fashion to maintain the desired anatomic orientation after reduction and as healing occurs.
摘要:
A total ankle replacement system, novel surgical method for total ankle replacement, and novel surgical tools for performing the surgical method are described. The total ankle replacement system includes the calcaneus in fixation of a lower prosthesis body, thereby significantly increasing the amount of bone available for fixation of the lower prosthesis body and allowing the lower prosthesis body to be anchored with screws. The total ankle replacement system further includes a long tibial stem which can also be anchored into the tibia with, for example, screws, nails, anchors, or some other means of attachment. The novel surgical arthroscopic method allows introduction of ankle prostheses into the ankle joint through an exposure in the tibial tubercle. Various novel surgical instruments, such as a telescoping articulating reamer and a talo-calcaneal jig, which facilitate the novel surgical method, are also described.
摘要:
An array of mechanical force reduction assemblies sized and configured to independently mechanically manipulate a fractured bone region. Each assembly functions independently of the other assemblies, to apply and maintain one of the prescribed mechanical reduction forces to the fracture, to thereby mechanically reduce the fracture in a desired way. A carrier coupled to the assembly accommodates temporary attachment of an orthotic brace, residing thereon, partially or fully assembled in a region of the bone fracture. A linkage mechanism accommodates the rotational articulation of the brace in response to the application of one or more mechanical force vectors, to move the bone fracture into a desired anatomic orientation. A locking mechanism maintains the orientation of the brace to maintain the desired anatomic orientation. After release from the carrier, the brace serves in an ambulatory fashion to maintain the desired anatomic orientation after reduction and as healing occurs.
摘要:
Devices and surgical methods treat various types of adult spinal pathologies, such as degenerative spondylolisthesis, spinal stenosis, degenerative lumbar scoliosis, and kypho-scoliosis. Various types of spinal joint replacement prostheses, surgical procedures for performing spinal joint replacements, and surgical instruments are used to perform the surgical procedures.
摘要:
An ankle implant for use in ankle arthroplasty in total ankle replacement is provided. The implant includes an upper prosthesis anchored to the tibia and a lower prosthesis anchored to the talus. The lower prosthesis is operable associated with the upper prosthesis. The implant also includes a stem which is rigidly removably connected to the second member. The stem includes a portion for attachment to the calcaneous. The stem is be adapted to be in a first position in the calcaneous when the stem is in a first relative position with respect to the lower prosthesis, and to provide for a second position in the calcaneous when the stem is in a second relative position with respect to the lower prosthesis.
摘要:
A total ankle replacement system, novel surgical method for total ankle replacement, and novel surgical tools for performing the surgical method are described. The total ankle replacement system includes the calcaneus in fixation of a lower prosthesis body, thereby significantly increasing the amount of bone available for fixation of the lower prosthesis body and allowing the lower prosthesis body to be anchored with screws. The total ankle replacement system further includes a long tibial stem which can also be anchored into the tibia with, for example, screws, nails, anchors, or some other means of attachment. The novel surgical arthroscopic method allows introduction of ankle prostheses into the ankle joint through an exposure in the tibial tubercle. Various novel surgical instruments, such as a telescoping articulating reamer and a talo-calcaneal jig, which facilitate the novel surgical method, are also described.