摘要:
A novel posterolateral inter-muscular approach has been developed to access the cervical spine. The approach includes elevating the splenius capitis and trapezios muscles dorsally to create a window for deep spine access, wherein the window comprises i) an anterior superior border of the trapezius muscle; ii) an anterior inferior border of the splenius capitis muscle, and iii) a posterior superior border of the levator scapulae muscle. Preferably, a device such as an implant or an instrument is then passed through the window to manipulate the spine.
摘要:
A novel posterolateral inter-muscular approach has been developed to access the cervical spine. The approach includes elevating the splenius capitis and trapezios muscles dorsally to create a window for deep spine access, wherein the window comprises i) an anterior superior border of the trapezius muscle; ii) an anterior inferior border of the splenius capitis muscle, and iii) a posterior superior border of the levator scapulae muscle. Preferably, a device such as an implant or an instrument is then passed through the window to manipulate the spine.
摘要:
A method and apparatus assisting safe one-handed insertion of an implant. An implant implantation device has a frame which includes a trigger mechanism, an outer sleeve mechanically coupled to the frame, an inner shaft having a grabber for mechanically engaging an implant, the inner shaft slidably disposed within the outer sleeve, and a retaining element disposed over the inner shaft for directing the grabber toward a closed position. An implant clip has a first member, a second member pivotally coupled to the first member, a first implant holder pivotally coupled to the first member, the coupling causing the implant clip to have a closed position and an open position, and a second implant holder, the second implant holder pivotally coupled to the second member, a surface of the first implant holder and a surface of the second implant holder remaining substantially parallel to each other while the first member and the second member pivot between the closed position and the open position.
摘要:
The present invention includes pin guides and methods for placing pins in adjacent vertebrae. The present invention also includes methods for placing pins in adjacent vertebrae using the pin guides described herein. The present invention also includes an intervertebral implant insertion and alignment instrument, a distraction instrument, an intervertebral implant insertion guide, and methods for inserting an implant into an intervertebral space. Despite existing tools and techniques, present positioning of implants in intervertebral spaces and pins in adjacent vertebrae often depend on a surgeon's skill, experience and technique. Practice of the present invention can aide in the placement of an implant into an intervertebral space and placement of pins in adjacent vertebrae, e.g., midline to the coronal plane spine and/or parallel to vertebral endplates that abut the intervertebral space.
摘要:
A method and apparatus assisting safe one-handed insertion of an implant. An implant implantation device has a frame which includes a trigger mechanism, an outer sleeve mechanically coupled to the frame, an inner shaft having a grabber for mechanically engaging an implant, the inner shaft slidably disposed within the outer sleeve, and a retaining element disposed over the inner shaft for directing the grabber toward a closed position. An implant clip has a first member, a second member pivotally coupled to the first member, a first implant holder pivotally coupled to the first member, the coupling causing the implant clip to have a closed position and an open position, and a second implant holder, the second implant holder pivotally coupled to the second member, a surface of the first implant holder and a surface of the second implant holder remaining substantially parallel to each other while the first member and the second member pivot between the closed position and the open position.
摘要:
A method of expanding the spinal canal of a vertebra including inserting a bone anchor into a first lamina of the vertebra, cutting completely through the first lamina to create a space in the first lamina, cutting partially through a second, contra-lateral lamina of the vertebra to create a partial cut in the second lamina, engaging a first segment of a plate with the bone anchor, pivoting the bone anchor and the first lamina about the partial cut in the second lamina to increase the extent of the space in the first lamina, and connecting a second segment of the plate to a portion of the vertebra across the space from the first segment of the plate such that the plate spans the space and stabilizes the vertebra.
摘要:
An instrument for positioning a bone graft relative to a bone plate includes an instrument body having a plurality of spaced apart graft chambers, a first one of the graft chambers having a first end, a second end, and a chamber length extending between the first end and the second end, the first end of the first graft chamber including a first chamber surface for receiving a first plate segment of a first bone plate, the second end of the first graft chamber including a second chamber surface for receiving a second plate segment of the first bone plate, the first graft chamber including a central chamber surface interposed between the first chamber surface and the second chamber surface for receiving a first bone graft, the central chamber surface having a first chamber length corresponding to the graft length of the first bone grafts.