Patent application number | Description | Published |
20080255620 | Anterior Vertebral Plate With Spike Fixation - Provided is a novel system that includes an anterior vertebral body plate with at least one bone spike pivotally attached to the plate and capable of being manually inserted into underlying bone to securely fix the plate to the bone. Also provided is a method of stabilizing cervical vertebrae using the disclosed system. | 10-16-2008 |
20090030466 | Anterior vertebral plate with suture lock - Provided is a novel system that includes an anterior vertebral body plate, suture lock bone screws, and an elongated suture lock to provide an interconnection for said bone screws, such that said system can be used for the fixation and stabilization of the cervical spine, the suture lock bone screws being connected one to the other by the elongated suture lock are prevented from unintentionally backing out of said plate. Also provided is a method of stabilizing cervical vertebrae using the disclosed system. | 01-29-2009 |
20090043339 | UNIVERSAL TRANSVERSE CONNECTOR DEVICE - A connecting apparatus includes a first grasping member adapted to hold a first elongated member and a second grasping member adapted to hold a second elongated member. The second grasping member is operatively connected to the first grasping member so that the first and second grasping members are movable relative to each other. The apparatus further includes a first rotatable rod disposed in mechanical cooperation with the first grasping member, a second rotatable rod disposed in mechanical cooperation with the second grasping member, a first engaging member operatively connected to the first rotatable rod, and a second engaging member operatively connected to the second rotatable rod. The first engaging member is adapted to engage at least a portion of a first pedicle screw. The second engaging member is adapted to engage at least a portion of a second pedicle screw. | 02-12-2009 |
20090088801 | SPINAL FIXATION DEVICE AND METHOD - A spinal fixation device is provided. The spinal fixation device includes first and second fixation members. Each of the fixation members include an anchor portion configured for rigid fixation to a vertebral body, an endplate member configured to engage a surface of a vertebral body, and a connecting portion connecting the anchor portion and the endplate member. The spinal fixation device further includes a spacing element configured to be received between the endplate members of the first and second fixation members | 04-02-2009 |
20090088854 | SPACING DEVICE AND METHOD - A spinal device generally includes a spacing member and a fixing member. The spacing member is configured to maintain a space between adjacent vertebrae. The fixing member is adapted to maintain a position of the spacing member relative to the adjacent vertebrae. In addition, the fixing member includes a bendable portion releasably connected to the spacing member. | 04-02-2009 |
20090088855 | POSTERIOR ROD CAPTURING SPACER DEVICE AND METHOD - An implantable device includes a spacing member and an elongate member. The elongate member includes a body portion having a first end coupled to the spacing member and a second end having a retention member. In a system for maintaining disc space between adjacent vertebrae, the implantable device is used in conjunction with a spine fixation member. The spine fixation member includes bone anchors and a spinal rod for releasably securing the retention member of the elongate member thereto in order to prevent expulsion of the spacing member from the disc space. Methods of using the system include unilaterally and bilaterally replacing diseased or damaged intervertebral discs from a posterior or transformational approach. | 04-02-2009 |
20090204156 | AUTOMATIC LENGTHENING BONE FIXATION DEVICE - A bone fixation device adapted to be coupled to bone anchors that allows movement of rods to permit a screw-rod construct to lengthen in response to bone growth without necessitating post surgical installation adjustment of the device. The bone fixation device includes a locking mechanism that is operably associated with a housing to allow relative movement of a rod and a housing in a first direction and inhibiting relative movement of the rod and the housing in a second direction. | 08-13-2009 |
20090204215 | EXPANDABLE VERTEBRAL DEVICE WITH CAM LOCK - An expandable cage supports adjacent vertebra in spine surgery. The expandable cage includes a first supporting member configured to engage tissue and a second supporting member operatively associated with the first supporting member. The first and second supporting members are movable relative to each other. The expandable cage further includes a cam lock mechanism configured to maintain the first and second supporting members in a fixed relative position. In another embodiment, the expandable cage includes a ring plate lock mechanism in lieu of the cam lock mechanism. The ring plate lock mechanism is adapted to maintain the first and second supporting members in a fixed relative position. | 08-13-2009 |
20100036425 | ANTI-TORSION SPINE FIXATION DEVICE - An anti-torsion spine fixation device includes an elongated member spanning from one vertebra to another and connected to each vertebra. The anti-torsion spine fixation device may span more than one vertebral level, but is fixed bilaterally to the most cephalad and caudad vertebrae. | 02-11-2010 |
20100179594 | EXPANDABLE CAGE - An apparatus supports the spine between vertebrae and promotes spinal fusion. The apparatus generally includes a first supporting member, a second support member, and an expansion member. The first support member has a first longitudinal passage extending therethrough, a first supporting end configured to engage tissue, and a rack configured to engage a tool. The second supporting member contains a second longitudinal passage extending therethrough and a second supporting end configured to engage tissue. The second longitudinal passage is dimensioned to receive at least a portion of the first supporting member. The first and second supporting members are configured to move with respect to each other. The expansion member is removably positioned between the first and second supporting members and is adapted to maintain the first and second supporting members in a fixed relative position. | 07-15-2010 |
20130340590 | MESH CAGE SCORING AND CUTTING SYSTEM - A scoring system includes a scoring device and a mandrel. The scoring device includes at least one scoring disc configured to engage a surface of a mesh cage. In an open condition, the scoring disc is positioned away from the mesh cage and in a closed condition, the scoring disc engages a surface of the mesh cage. The scoring device is rotatable about the longitudinal axis of the mesh cage when in the closed condition to score the mesh cage at a desired length from an end of the mesh cage. The mandrel is insertable within the mesh cage to support and/or retain a portion of the mesh cage. The mandrel can also apply a force to the score mark to cleanly separate two portions of the mesh cage at the score mark. | 12-26-2013 |
20130345759 | SPINAL ROD LOCKING HOLDER - A spinal rod locking holder includes an outer body, a handle assembly at a proximal end of the outer body, a locking assembly within a distal portion of the outer body, and a sprocket assembly at the distal end of the outer body. The handle assembly includes a moveable handle operatively associated with the sprocket assembly to selectively engage and release an end of a spinal rod. The locking assembly including a bearing operatively associated with a pawl such that when the moveable handle is compressed the bearing extends the pawl into contact with an outer surface of the sprocket assembly. The sprocket assembly including sprocket sections configured to compress against the end of the spinal rod when the pawl engages the outer surface of the sprocket assembly. | 12-26-2013 |
20140074168 | GROWING SPINAL ROD SYSTEM - A growing spinal rod system is configured to grow in response to the growth of a patient. The growing spinal rod system includes a housing, a spacer, and a sliding spinal rod. The housing includes a stepped passage therethrough. The spacer is disposed within the stepped passage and defines a through hole. The spacer includes a plurality of ribs biased inwards and into the through hole. The sliding spinal rod is slidably inserted through the through hole of the spacer. The sliding spinal rod moves the plurality of ribs outwards. The plurality of ribs permits the sliding spinal rod to extend from the housing and inhibit the sliding spinal rod from retracting into the housing. | 03-13-2014 |
20140107706 | UNIVERSAL ROD HOLDER - A universal rod holder including a drive member and an elongated shaft member. The drive member has a proximal portion and a distal portion, and may include a handle disposed on the proximal portion, external threads disposed on the proximal portion of the drive member, and a tip disposed on a distal end of the distal portion of the drive member. The elongated shaft member includes a through hole, the through hole configured to receive the drive member, internal threads disposed on an inner surface of the through hole and configured to engage the external threads, and a hook member disposed on a distal end of the shaft member. The through hole extends into an opening of the hook member. The distal portion of the drive member is configured to slide through the through hole and into the opening of the hook member to secure a rod positioned therein. | 04-17-2014 |
20140135933 | EXPANDABLE VERTEBRAL DEVICE WITH CAM LOCK - An expandable cage supports adjacent vertebra in spine surgery. The expandable cage includes a first supporting member configured to engage tissue and a second supporting member operatively associated with the first supporting member. The first and second supporting members are movable relative to each other. The expandable cage further includes a cam lock mechanism configured to maintain the first and second supporting members in a fixed relative position. In another embodiment, the expandable cage includes a ring plate lock mechanism in lieu of the cam lock mechanism. The ring plate lock mechanism is adapted to maintain the first and second supporting members in a fixed relative position. | 05-15-2014 |
20140172030 | ADJUSTABLE INTERBODY INTRODUCER DEVICE AND METHOD - Provided is a surgical instrument having an adjustable distal end that can securely engage an interbody for introduction of the interbody into an intervertebral space, can be adjusted before and during the surgical procedure to vary the angle of the distal end of the device and the angle of introduction of the interbody, and after positioning that interbody at the surgical site, can be easily disengaged and removed. | 06-19-2014 |
20140207238 | EXPANDABLE CAGE - An apparatus supports the spine between vertebrae and promotes spinal fusion. The apparatus generally includes a first supporting member, a second support member, and an expansion member. The first support member has a first longitudinal passage extending therethrough, a first supporting end configured to engage tissue, and a rack configured to engage a tool. The second supporting member contains a second longitudinal passage extending therethrough and a second supporting end configured to engage tissue. The second longitudinal passage is dimensioned to receive at least a portion of the first supporting member. The first and second supporting members are configured to move with respect to each other. The expansion member is removably positioned between the first and second supporting members and is adapted to maintain the first and second supporting members in a fixed relative position. | 07-24-2014 |
20140213853 | MINIMALLY OPEN RETRACTION DEVICE - A retractor having a pair of blades is disclosed. A ring having an opening is attached to one end of the blades. The blades define a channel therebetween. The blades may be pivotally coupled to the ring. The retractor may have at least two conditions. In a first condition, the retractor is insertable through an incision in a patient's skin to an operative site. In a second condition, the retractor may be manipulated for retracting tissue surrounding the operative site. Instruments, prostheses, or tissue may be inserted or removed through the channel of the retractor. | 07-31-2014 |
20140243605 | MINIMALLY INVASIVE RETRACTOR AND METHODS OF USE - A device, system and method for orthopedic spine surgery using a novel screw-based retractor, disclosed herein, that allows for access to the spine through a minimally or less invasive approach. The retractor device is designed to be coupled to a pedicle screw and then to have opposed arms of the retractor spread apart to open the wound proximally. The retractor is removed by pulling it out of the wound whereby the retractor is deformed to pass over the pedicle screw head. The retractor is intended to be made of a stiff plastic material, sterile packaged and disposable after one use. A system and method for using the retractor and performing a minimally invasive spine surgical procedure are also disclosed. | 08-28-2014 |
20140309698 | AUTOMATIC LENGTHENING BONE FIXATION DEVICE - A bone fixation device adapted to be coupled to bone anchors that allows movement of rods to permit a screw-rod construct to lengthen in response to bone growth without necessitating post surgical installation adjustment of the device. The bone fixation device includes a locking mechanism that is operably associated with a housing to allow relative movement of a rod and a housing in a first direction and inhibiting relative movement of the rod and the housing in a second direction. | 10-16-2014 |
20140324105 | OCCIPITAL FIXATION ASSEMBLY, SYSTEM AND METHOD FOR ATTACHING THE SAME - An occipital fixation assembly is provided. The occipital fixation assembly includes a first mounting plate configured for placement within a sinus cavity adjacent a rear portion of a skull of a patient. A threaded post extends from the first mounting plate. A coupling member includes an aperture configured to receive the threaded post therethrough. The coupling member includes an offset extension configured to support a surgical rod thereon. A fixation nut configured to threadably engage the threaded post of the first mounting plate is rotatable about the threaded post and translatable therealong. The fixation nut is rotatable with respect to the first mounting plate and the coupling member such that rotation of the fixation nut in a predetermined direction brings the first mounting plate and the coupling member toward one another and into secured engagement with the skull of a patient. | 10-30-2014 |