Patent application number | Description | Published |
20080234690 | Volume measuring intervertebral tool system and method - The invention includes a system and method for the loosening of tissue. In one embodiment, a device for use in an intervertebral tissue removal procedure includes a cannula having a first end portion for insertion into tissue, a feed passage within the cannula, a return passage within the cannula, and a loosening member movable within the feed passage and the return passage and at least partially deployable away from the first end portion of the cannula. | 09-25-2008 |
20080234758 | INTRA-FACET FIXATION DEVICE AND METHOD OF USE - A implantable interference device configured for intra-facet placement within a facet joint is provided. The device includes a shank capable of engaging opposing faces of the facet joint. The shank can further include a head extending from a proximal end of the shank wherein the head is configured to engage and/or buttress opposing faces of the joint, and also configured for preventing over-insertion of the device. Optionally, at least a portion of the shank can include or be formed of a fusion-promoting bioactive material. Further, a method for providing fixation of a facet joint by intra-facet placement of an interference device within the facet joint is provided. | 09-25-2008 |
20080288074 | INTERNALLY REINFORCED ELASTOMERIC INTERVERTEBRAL DISC IMPLANTS - Two techniques to minimize intervertebral disc height loss due to polymer creep following implantation of an elastomeric disc with the use of internal reinforcement are disclosed. The specific devices and methods relate to use of (i) singular or multiple internal reinforcement members to increase construct stiffness, reduce peripheral bulging and corresponding height loss; and (ii) internal elastomer fillers of various shapes which are compounded into the elastomer to share the load and constrain the elastomeric material from excessive deformations. | 11-20-2008 |
20090005870 | Highly Lordosed Fusion Cage - A two-piece fusion cage having opposed interior surfaces, vertical and lateral throughholes adapted to enhance fusion and a dovetail feature mating the opposed interior surfaces. | 01-01-2009 |
20090005873 | Spinous Process Spacer Hammock - An interspinous spacer comprising:
| 01-01-2009 |
20090088789 | Balloon With Shape Control For Spinal Procedures - In intervertebral operative spinal procedures, using separate or pre-attached spreader blocks to control the directional growth of a distracting balloon. | 04-02-2009 |
20090112319 | EXPANDABLE FUSION CAGE - This inventions relates to an expandable intervertebral fusion cage and a method for its use for spinal fusion that reduces annular, vertebral body and cage damage and that is compatible with anterior, posterior as well as MIS techniques. | 04-30-2009 |
20090248092 | Posterior Intervertebral Disc Inserter and Expansion Techniques - Insertion and expansion devices for use in inserting motion discs, and associated methods of use. | 10-01-2009 |
20090326657 | Pliable Artificial Disc Endplate - An intervertebral implant for replacing an intervertebral disc of the human spine, the implant including first and second conformable foam endplates, each endplate being conformable to a boney vertebral endplate under an anatomical load, and a core between the endplates, wherein the conformable foam endplates partition the core from the boney vertebral endplate so that the core does not contact the boney vertebral endplate. | 12-31-2009 |
20100152854 | Methods and Devices for Expanding A Spinal Canal Using Balloons - An in-situ formed laminoplasty implant comprising an expandable bag containing a flowable, hardenable composition, wherein the implant may be shaped to act as a laminoplasty strut and be rigidly connected to a prepared lamina space. | 06-17-2010 |
20110097374 | Methods and Devices for Correcting Spinal Deformity With Pharmaceutical-Eluting Pedicle Screws - A method of correcting spinal deformity, which includes locating pharmaceutical-loaded implants adjacent to targeted spinal growth plates, and then eluting the pharmaceutical onto the growth plates. Preferably, the method involves correcting spinal deformity by simply inserting a pharmaceutical-eluting pedicle screw onto the concave side of a scoliotic curve. The screw has a cannulated internal reservoir that contains a chondrocyte growth-inducing pharmaceutical (such as a growth factor or small molecule) and at least one fenestration that allows the pharmaceutical to elute onto the vertebral body growth plate. | 04-28-2011 |
20110137418 | Aspirating Implants and Method of Bony Regeneration - Devices and methods for in situ drawing, filtering and seeding cells from the marrow of surrounding bone into a fusion cage without any of the challenges mentioned above. Various implants and devices with aspiration ports that enable in-situ harvesting and mixing of stem cells. These devices may include spinal fusion cages, long bone spacers, lateral grafts and joint replacement devices. Each device utilizes at least one aspiration port for harvesting of stem cell-containing marrow via aspiration from adjacent bony elements. | 06-09-2011 |
20110284414 | Gaseous Sterilization of Impermeable Containers Through Use of Porous Material - A gas-impervious container having a gas-permeable porous insert, wherein the insert contacts a flowable biomedical material, for improving access of the sterilant gas to the material. | 11-24-2011 |
20110288452 | SURGICAL INSTRUMENTS - A surgical device. The surgical device may comprise a transducer configured to provide vibrations along a longitudinal axis and an end effector coupled to the transducer and extending from the transducer along the longitudinal axis. The surgical device also may comprise a lower jaw extending parallel to the end effector. The lower jaw may comprise a clamp face extending toward the longitudinal axis. Also, the lower jaw may be slidable relative to the end effector to bring the clamp face toward a distal end of the end effector. | 11-24-2011 |
20120179183 | DISC NUCLEUS REMOVAL DEVICES AND METHODS - Disclosed herein are devices and methods for removing tissue. In one aspect, a device for removing tissue includes a hollow elongate member having an outer wall and a lumen, a selectively deployable tissue-cutting element extending from the hollow elongate member, and an actuation member extending through the lumen and coupled to the hollow elongate member at a location that is distal to the tissue-cutting element. Movement of the actuation member can cause the tissue-cutting element to move from the insertion configuration where the tissue-cutting element is not deployed to a tissue-cutting configuration where the tissue-cutting element is deployed such that it is radially extended relative to the insertion configuration. | 07-12-2012 |
20120221006 | Method for Manipulating Intervertebral Tissue - A method for manipulating intervertebral tissue in one embodiment includes inserting at least one abrading member for abrading tissue into an area to be cleared, expanding at least one expandable member from a first condition to a second condition, wherein the volume defined by the at least one expandable member in the second condition is greater than the volume defined by the at least one expandable member in the first condition, moving the inserted at least one abrading member from a first position to a second position by the expansion of the at least one expandable member, manipulating the inserted at least one abrading member to loosen tissue, and removing the loosened tissue from the area to be cleared. | 08-30-2012 |
20130131634 | Nucleus Augmentation Delivery Device and Technique - A method of performing a procedure on an intervertebral disc includes inserting a cannulated delivery tube through an opening in an annulus fibrosus of the intervertebral disc, positioning an expandable portion of the tube within the opening in the annulus fibrosus, expanding the expandable portion into contact with the annulus fibrosus about the opening to create a seal between the expandable portion and the annulus fibrosus, performing a procedure through the cannulated delivery tube within the annulus fibrosis, removing the tube, and closing the opening in the annulus fibrosus. | 05-23-2013 |
20130184710 | Volume Measuring Intervertebral Tool System and Method - The invention includes a system and method for the loosening of tissue. In one embodiment, a method of removing intervertebral tissue includes removing tissue with a loosening member to form a void, inserting a portion of the loosening member into the void, and determining the amount of tissue removed based upon the volume defined by the portion of the loosening member inserted into the void. | 07-18-2013 |
20130238006 | Conformable Soft Tissue Removal Instruments - Surgical curettes or rakes with cutting edges conform or deflect to allow for contouring that follows the bony anatomy. The cutting tips can be pre-sterile, disposable and made from flexible materials including metals and polymers. The disposable tips ensure that a sharp cutting edge is exposed to the endplate for each procedure. The tips can also be adjusted to change the size of the cutting surface and window for retaining shaved disc material. The tips can pivot to provide for a self adjusting angle that allows the cutting edge to have full contact with the endplate at various angles like the pivot on a disposable razor blade. | 09-12-2013 |
20130289356 | Neural Tissue Retraction and Preservation Device - A self-retaining neural retraction clip, preferably having controlled retraction level and an off-set retraction means. This device can reduce operative site clutter to enhance disc access while providing consistent and stable dural retraction. | 10-31-2013 |
20130345813 | Dual Anchor Lateral Vertebral Body Fixation Plates - Plate-based fixation system having dual anchors. The plate can include cams. The plates can have a banana-shape. The plates can be adapted to receive a polyaxial bone screw. The plates can be jointed so as to be height-adjustable. | 12-26-2013 |
20140172103 | Polyaxial Intervertebral Cage - An intervertebral fusion cage having a first polyaxial joint portion adapted to connect to a corresponding polyaxial joint portion on an inserter so as to form an insertion assembly adapted for polyaxial movement. This assembly allows the cage to be laterally inserted into the problematic lower disc spaces of the spine in a manner such that the cage is desirably substantially parallel to the vertebral endplates upon entry. | 06-19-2014 |
20140172105 | Polyaxial Articulating Instrument - A polyaxial instrument suitable for preparing the intervertebral disc space of a patient through an anterior, posterior, transforaminal or anterolateral approach. The trial can be partially inserted into a disc space and then its angle adjusted to ease its further insertion into the disc space. The trial work tip can be interchangeable with the working tip of another type of instrument such as a curette, a rasp, a spreader, a shaver, a cobb elevator, a penfield, a woodson, a chisel and an osteotome. | 06-19-2014 |
20140330083 | Use of an Expandable Stent as an Implant Conduit in the Lateral Approach to the Spine - The use of a memory metal mesh stent as a retractor in a lateral approach to the spine. The expanded stent is used as a conduit through which an implant can pass. This advance is predicated upon the appreciation that modern stent implants have diameters that are large enough to accommodate passage of an intervertebral spinal implant therethrough. | 11-06-2014 |
20140336686 | SURGICAL INSTRUMENTS - A surgical device. The surgical device may comprise a transducer configured to provide vibrations along a longitudinal axis and an end effector coupled to the transducer and extending from the transducer along the longitudinal axis. The surgical device also may comprise a lower jaw extending parallel to the end effector. The lower jaw may comprise a clamp face extending toward the longitudinal axis. Also, the lower jaw may be slidable relative to the end effector to bring the clamp face toward a distal end of the end effector. | 11-13-2014 |
20150032212 | Lateral Spondylolisthesis Reduction Cage - An intervertebral fusion device comprising inferior and superior fusion cage devices that provide an ability to correct spondylolisthesis via in-situ adjustment. | 01-29-2015 |
20150045798 | Device and Method For Manipulating Intervertebral Tissue - A system and method for manipulating intervertebral tissue in one embodiment includes a conduit, a segmented expansion media configured to pass through the conduit, and an expandable node comprising a plurality of abrading strands and operably connected to the intervertebral tissue removal system conduit so as to receive the segmented expansion media therein, the expandable node expandable from a first condition whereat the plurality of abrading strands define at least one opening having a first maximum diameter, to an expanded condition whereat the at least one opening has a second maximum diameter larger than the first maximum diameter, wherein the second maximum diameter is less than a minimum diameter of the segmented expansion media, such that insertion of the segmented expansion media through the intervertebral tissue removal system conduit and into the expandable node causes the expandable node to expand from the first condition to the expanded condition. | 02-12-2015 |
20150045894 | Highly Lordosed Fusion Cage - A two-piece fusion cage having opposed interior surfaces, vertical and lateral throughholes adapted to enhance fusion and a dovetail feature mating the opposed interior surfaces. | 02-12-2015 |