| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 606306000 | Detachable | 19 |
| 20080215099 | Orthodontic bone screw - A mechanism for separating the driver tip ( | 09-04-2008 |
| 20080300638 | BREAK-OFF SCREW EXTENSIONS - The present invention provides minimally invasive devices and methods for delivering a spinal connector to one or more spinal anchor sites in a patient's spinal column. In one embodiment, a spinal implant and access device is provided that includes a U-shaped receiver member, a bone-engaging member, and an extension member. The U-shaped receiver member can have a recess formed therein that is adapted to seat a spinal connector. The bone-engaging member can extend distally from the receiver member and it can be adapted to engage bone to thereby mate the receiver member to bone. The extension member can extend proximally from the receiver member and it can include a frangible portion formed thereon that is adapted to break when a predetermined force is applied thereto thereby allowing at least a portion of the extension member to be separated from the receiver member. | 12-04-2008 |
| 20100087873 | Surgical Connectors for Attaching an Elongated Member to a Bone - The present application is directed to connectors for attaching an elongated member to a bone. The connectors may include a receiver that is attached to an anchor. The receiver may include a base and outwardly-extending arms that form a channel to receive the elongated member. The base may include an opening that extends into a receptacle. The opening may include a first section in an inferior side of the receiver, and a cut-out in a lateral side. During attachment, the anchor may be positioned relative to the receiver such that a head of the anchor may be inserted into the first section and a shaft of the anchor may be inserted into a second section. After insertion, the anchor is rotated to move the shaft out of the cut-out while the head remains in the receptacle. A wedge is then attached to the receiver over the cut-out to prevent the anchor from escaping. | 04-08-2010 |
| 20130030475 | REVERSIBLE BONE COUPLING DEVICE AND METHOD - A reversible bone coupling device including a first component having a first elongated stem portion for insertion from a first end longitudinally into a surface of a first bone piece, and a second component having a second elongated stem portion for insertion from a second end longitudinally into a surface of a second bone piece, and a connector extending from a second top for coupling with the first component and reversibly locking therein. | 01-31-2013 |
| 20130345761 | POLYAXIAL BONE ANCHORING DEVICE - A polyaxial bone anchoring device is provided comprising a bone anchoring element ( | 12-26-2013 |
| 20140012332 | POLYAXIAL BONE SCREW WITH SHANK ARTICULATION PRESSURE INSERT AND METHOD - A polyaxial bone screw assembly includes a threaded shank body having an upper portion, a receiver member or head, a retaining and articulating structure, and a pressure insert disposed between the shank upper portion and a rod. The receiver has a U-shaped cradle defining a channel for receiving a spinal fixation rod and a receiver cavity. The retaining and articulating structure attaches to the shank and rotates with the shank in the cavity during positioning. The pressure insert presses upon the shank upper portion and not the retaining and articulating structure. | 01-09-2014 |
| 20140018865 | POLYAXIAL BONE SCREW WITH SHANK ARTICULATION PRESSURE INSERT AND METHOD - A polyaxial bone screw assembly includes a threaded shank body having an upper portion, a receiver member or head, a retaining and articulating structure, and a pressure insert disposed between the shank upper portion and a rod. The receiver has a U-shaped cradle defining a channel for receiving a spinal fixation rod and a receiver cavity. The retaining and articulating structure attaches to the shank and rotates with the shank in the cavity during positioning. The pressure insert presses upon the shank upper portion and not the retaining and articulating structure. | 01-16-2014 |
| 20140121712 | BONE ANCHORING DEVICE - A bone anchoring device has an anchoring element, a receiving portion, and a pressure element. The anchoring element includes a shank to be anchored in a bone or a vertebra and a head, the head having an exterior surface with a spherical segment-shaped portion. The shank and the head are separate parts. The receiving portion includes a first end, a second end opposite to the first end, a longitudinal axis passing through the two ends, a bore coaxial with the longitudinal axis, and a first region adjacent to the second end for receiving a spherical segment-shaped section of the head. The pressure element exerts pressure on the head to lock the head in the receiving portion. The head has a hollow inner portion to receive a free end portion of the shank and wherein the head and the end portion are formed such that the end portion can be elastically clamped by the head. | 05-01-2014 |
| 20140180347 | POLYAXIAL BONE SCREW - The present invention generally provides a polyaxial fixation device having a shank with a spherical head formed on a proximal end thereof, and a receiver member having an axial passage formed therein that is adapted to polyaxially seat the spherical head of the shank. The polyaxial bone screw further includes an engagement member that is adapted to provide sufficient friction between the spherical head and the receiver member to enable the shank to be maintained in a desired angular orientation before locking the spherical head within the receiver member. | 06-26-2014 |
| 20140214098 | MODULAR LAG SCREW - An elongated modular implant is provided which has a distal part and a proximal part both having a leading end and a trailing end, respectively. The trailing end of the distal part includes a tool engagement portion and the leading end of the proximal part includes a distal part engagement portion for an engagement with the tool engagement portion of the distal part. The implant further includes an assembly element for firmly coupling the distal part and the proximal part when the first tool engagement portion of the distal part engages the distal part engagement portion of the proximal part. The proximal part trailing end may also have a tool engagement portion identical to the trailing end of the distal part. | 07-31-2014 |
| 20140277189 | BONE ANCHOR ASSEMBLIES WITH MULTIPLE COMPONENT BOTTOM LOADING BONE ANCHORS - Bone anchor assemblies and methods are provided having a multi-component bone anchor that is configured to allow the shank of the bone anchor to be bottom loaded into a receiver member. In one embodiment, a bone anchor assembly is provided having a shank with a distal threaded portion and a proximal head portion, a receiver member having an aperture formed in a distal end thereof through which the head portion of the shank can be received, the receiver member defining a polyaxial seat, a non-expandable outer ring configured to be polyaxially disposed within the polyaxial seat of the receiver member and defining a central opening through which the head portion of the shank can be received, and an expandable inner ring having an inner surface configured to mate with the head portion of the shank and an outer surface configured to mate with an inner surface of the outer ring to thereby lock the outer ring in a fixed position relative to the shank. | 09-18-2014 |
| 20140296927 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND A BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body including a rod receiving portion with a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible so as to allow introduction and clamping of the head, the head receiving portion having an exterior surface with a tapered portion; and a locking ring around the head receiving portion and including an interior surface with a curved portion configured to engage the tapered portion of the exterior surface of the head receiving portion to clamp the head. | 10-02-2014 |
| 20140296928 | SEPARABLE PEDICLE SCREW - Techniques are generally described related to a method and system for treating an injury with a bone screw. One example bone screw may be configured to fracture at a pre-selected frangible location so that the point of failure is not in an inaccessible location, e.g., deeply embedded below the surface of a treated bone. The bone screw may further include a material disposed over the frangible location that is designed to temporarily strengthen the screw and selected to be absorbed by the body over a period of time after installation of the screw in the bone. One example bone screw may include an unthreaded portion that is configured to facilitate removal of an embedded screw fragment from a bone in the event that the screw fails in vivo. | 10-02-2014 |
| 20140343617 | UNIPLANAR SCREW ASSEMBLY AND METHODS OF USE - The screw assembly includes a screw, an insert, and a body member. The screw includes a longitudinal axis and a proximal end with a head portion and a distal end with a threaded portion. The insert operably couples with the head portion and is configured to rotate relative to the head portion about the longitudinal axis. The body member operably couples with the insert and is configured to pivot relative to the insert in a single plane parallel to the longtudinal axis. In other features, the body member operably couples with the insert and is configured to pivot relative to the insert about a transverse axis normal to a plane parallel to the longtudinal axis. | 11-20-2014 |
| 20150012049 | PEDICLE SCREW EXTENSION FOR USE IN PERCUTANEOUS SPINAL FIXATION - A bone screw extension assembly for use in placing a connecting rod percutaneously into tissue of a patient comprises a multi-axial bone screw and a screw extension releasably coupled to yoke of the bone screw. The screw extension includes coaxially disposed outer sleeve and inner sleeves that are rotatable relative to each other. A screw engaging member projects radially from the distal end of the inner sleeve and is configured to engage an extension coupling surface on the outer sleeve upon relative rotation of the inner and outer sleeves. A securement member including cooperative surfaces is defined adjacent the distal end of the inner and outer sleeves that is operable upon relative rotation of the inner sleeve and outer sleeve to radially secure the sleeves together to thereby maintain the engagement of the screw engaging member and the bone screw. | 01-08-2015 |
| 20150018890 | SCREW IMPLANT WITH REPLACEMENT HEAD FOR HEIGHT ADJUSTMENT AND SIMPLIFIED STORAGE - A screw implant a shaft and a threaded area for anchoring in the bone, a head having engagement surfaces or openings for the application of an insertion tool, wherein the shaft and the head are formed in one piece, wherein there is associated with the shaft between the thread and the head at least one separation area where the head with an upper part of the shaft is separated, and a replacement head, which can be fixed to the remaining lower part of the shaft. The replacement head may have an inner drill hole, which is from the size designated to fit a cross section of the shaft and into which the shaft is inserted. | 01-15-2015 |
| 20150100096 | TRANSLATING POLYAXIAL SCREW - A translating polyaxial bone anchor for anchoring a connecting rod to a spinal vertebra comprises a fastener having a bone engaging portion and a head, the head defining a socket. An insert is captively retained in the socket and configured for swiveling polyaxial movement therein. The insert includes an elongate connecting element defining an axis, the connecting element projecting outwardly from and through the socket. A yoke having at one end a rod receiving channel for receiving a connecting rod is coupled to the fastener by a coupling member. The coupling member couples the yoke to the insert connecting element for joint polyaxial movement relative to the fastener and for translational movement of the yoke in a direction transverse to the axis of the connecting member. A fastening element is supported by the yoke for securing the connecting rod between the fastening element and the coupling member. | 04-09-2015 |
| 20150320467 | BONE ANCHORING DEVICE - A bone anchoring device has an anchoring element, a receiving portion, and a pressure element. The anchoring element includes a shank to be anchored in a bone or a vertebra and a head, the head having an exterior surface with a spherical segment-shaped portion. The shank and the head are separate parts. The receiving portion includes a first end, a second end opposite to the first end, a longitudinal axis passing through the two ends, a bore coaxial with the longitudinal axis, and a first region adjacent to the second end for receiving a spherical segment-shaped section of the head. The pressure element exerts pressure on the head to lock the head in the receiving portion. The head has a hollow inner portion to receive a free end portion of the shank and wherein the head and the end portion are formed such that the end portion can be elastically clamped by the head. | 11-12-2015 |
| 20160015440 | BONE COMPRESSION SCREW - A system for orthopedic repair of bones, the system may include a compression screw. The screw may include a blunt tip on one end with tapped threads to allow for greater bone fixation uniform across a threaded portion of the screw. The screw may also include springs, which may be Belleville washers, which provide appropriate compression and tension and prevent excessive loosening of the screw after surgery. The springs allow the screw to retract without losing pressure on the fracture site. The system may be minimally invasive for multiple fractures on a single bone such as calcaneal fractures, and stabilizing long bone fractures without bone plates. | 01-21-2016 |
