摘要:
An interbody fusion device having an accordion-like structure, wherein the device in inserted into the disc space in its collapsed configuration and then expanded into its expanded configuration by compressing the accordion-like portion of the device. In some embodiments, a pre-formed tube with an accordion-like structure over a portion of its length is inserted in a relaxed (collapsed) configuration, giving the tube a minimum possible diameter. This tube has a cable running through it that is fixed to a distal end portion of the tube and extends past the proximal end portion of the tube to the outside of the patient. Once the tube is positioned on the rim of the endplate, the proximal end of the cable is pulled, thereby tensioning the cable and causing the accordion portion of the tube to become shorter in length but larger in diameter.
摘要:
An interbody fusion device having an accordion-like structure, wherein the device in inserted into the disc space in its collapsed configuration and then expanded into its expanded configuration by compressing the accordion-like portion of the device. In some embodiments, a pre-formed tube with an accordion-like structure over a portion of its length is inserted in a relaxed (collapsed) configuration, giving the tube a minimum possible diameter. This tube has a cable running through it that is fixed to a distal end portion of the tube and extends past the proximal end portion of the tube to the outside of the patient. Once the tube is positioned on the rim of the endplate, the proximal end of the cable is pulled, thereby tensioning the cable and causing the accordion portion of the tube to become shorter in length but larger in diameter.
摘要:
A surgical retractor includes a plurality of blade assemblies interconnected by a plurality of racks. One or more of the blade assemblies is movable along a rack to selectively expand the retractor. At least one of the blade assemblies includes a blade that is rotatably connected to the blade assembly and that is rotatable independent of other blades of the retractor.
摘要:
A tissue expander system for expanding tissue, skin and muscle along a pathway to a surgical site through a minimally invasive incision includes a first paddle, a second paddle and an outer sleeve. The first and second paddles connect to form an assembly for the outer sleeve to advance over. An access device can be inserted over the outer sleeve to form the pathway to the surgical site after the tissue expander system is removed.
摘要:
An access device for providing access from a skin incision to a surgical site is described. The access device has a first section having a proximal end and a distal end defining a first path therethrough. The access device has a second section having a proximal end and a distal end defining a second path therethrough, the second section is movable relative to the first section, and the first and second sections cooperate to form a continuous path such that movement of the second section changes the length of the path.
摘要:
This invention includes surgical retractors that comprise an expandable frame that includes at least two base components, a connector, and at least two retractor blades attached to the expandable frame. Also included are surgical retractors that comprise a housing component that includes a cylindrical portion and a contiguous blade portion, assemblies comprising a surgical retractor assembled to at least one obtruator, illuminated surgical cannulas, and methods of using the same during a surgical procedure.
摘要:
A surgical retractor for use with a spinal stabilization system including a plurality of bone anchors and a plurality of anchor extensions. The surgical retractor includes a frame positionable between a first anchor extension connected to a first bone anchor implanted in a first vertebra and a second anchor extension connected to a second bone anchor implanted in a second vertebra and a first retractor blade connectable to the frame for retracting tissue between the first anchor extension and the second anchor extension.
摘要:
A retractor includes a frame having a linear side having a first end and a second end and a curvate side connected at a first end to the first end of the linear side and at a second end to the second end of the linear side, a first retractor blade connected to the linear side of the frame, and a second retractor blade connected to the curvate side of the frame.
摘要:
A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately parallel to a plane defined by the proximal frame.
摘要:
An access device for providing access from a skin incision to a surgical site is described. The access device has a first section having a proximal end and a distal end defining a first path therethrough. The access device has a second section having a proximal end and a distal end defining a second path therethrough, the second section is movable relative to the first section, and the first and second sections cooperate to form a continuous path such that movement of the second section changes the length of the path.