Class / Patent application number | Description | Number of patent applications / Date published |
606255000 | Resilient rod | 34 |
20080221620 | Flexible spine components - An improved flexible component used for dynamic stabilization of spinal segments for the treatment of vertebrae deformities and injuries and for the replacement of a complete or segment of the body of a vertebra in the spine is described. The flexible component is comprised of a solid, suitable implant material with a longitudinal bore the entire length and an appropriately formed slot which extends spirally around the shaft either continuously or segmentally. The flexible component may be encapsulated, fully or partially, in a suitable implant grade elastomeric resilient material. When used for a dynamic stabilization device, the component is attached to the vertebral bodies by pedicle screws know to those in the art. When used as a vertebral replacement device, attached to the component's opposite ends are members for attachment to the adjacent vertebra that allow for height and angular adjustment. | 09-11-2008 |
20080234739 | DYNAMIC SPINAL STABILIZATION SYSTEM AND METHOD OF USING THE SAME - A spinal stabilization system includes a pair of vertebral anchors and a flexible construct extending between the anchors to provide dynamic stabilization of the spine. The flexible construct includes first and second spring arms coupled to the anchors at first ends thereof and second ends coupled at a joint. The spring arms are capable of flexing toward and away from each other during movement of the spine. The system may include a biasing member for biasing movement of the spring arms toward and/or away from each other. The system may further include an adjustment feature that allows the distraction to be adjusted in situ. The stiffness characteristic of each of the spring arms may be selectively adjusted to meet the specific application. A method of stabilizing a spine includes securing anchors to selected vertebrae and coupling the flexible construct to the anchors through a top loading procedure. The flexible construct may be coupled so that a rotational axis of the flexible construct is anterior of a head portion of the anchors. | 09-25-2008 |
20080319486 | FLEXIBLE MEMBER WITH VARIABLE FLEXIBILITY FOR PROVIDING DYNAMIC STABILITY TO A SPINE - The present invention relates to spinal support devices and, more specifically, to a flexible member having variable flexibility for use with a dynamic stabilization system or implant to provide dynamic stability to a person's spine. The flexible member generally includes a first material having a first portion including a first material having a first elasticity and a second portion including a second material having a second elasticity greater than the first to provide the flexible member with a variable flexibility. | 12-25-2008 |
20090054932 | Resilient Spinal Rod System With Controllable Angulation - A spinal rod/rod system for spinal stabilization is controllably bendable or flexible along its longitudinal axis to achieve a particular radius of curvature, flex, arch or angle of the spinal rod and preserve the achieved angle through a locking mechanism. The spinal rod is controllably bendable through application of a controlled axial force. Such controllable curvature allows for limited movement of the vertebrae connected by the present resilient spinal rod system. The present spinal rod is defined by a multi-component system which includes an inner spring rod and an outer rod tube. An angulation ring is threadedly attached to an end of the spring rod and provides controlled adjustment of the angle or curvature of the spinal rod through axial compression of the spring rod relative to the outer tube. Locking prevents the increase and/or decrease of angulation of the spinal rod. A titanium spacer ring may be provided that is situated between the spring rod and the outer rod tube in order to prevent and/or hinder over angulation. One or more spacer rings may be situated between the spring rod and the outer rod tube axially adjacent each side of the titanium spacer ring that act as an additional spring force in bending, and act as a shock absorber in the axial compression of the of the spinal rod. The rings may be made of various durometers. | 02-26-2009 |
20090093846 | Pre-Curved Flexible Member For Providing Dynamic Stability To A Spine - A pre-curved flexible member is provided for use with a dynamic stabilization system or implant to provide dynamic stability to a person's spine. In one embodiment, the pre-curved flexible member includes a pre-curved body having an outer surface and opposing ends with a curved intermediate portion extending therebetween. Each of the opposing ends includes retention features, for example notches and/or protrusions, for cooperation with retention features on a corresponding anchor member to securely retain the pre-curved flexible member therebetween. | 04-09-2009 |
20090240285 | Flexible Element for Spine Stabilization System - A system for flexibly stabilizing a vertebral motion segment by connecting a first vertebra and a second vertebra is disclosed. The system includes an elongate connection element with end portions interconnected by a flexible coupling member. The system includes first and second attachment portions for connecting the connection element to the vertebrae. A first resilient member is positioned between the first end portion and the first attachment portion, and a second resilient member is positioned between the first attachment portion and the second attachment portion. The system is designed such that the second resilient member is compressed when the first and second attachment portions move towards each other, and the first resilient member is compressed when the first and second attachment portions extend away from each other. | 09-24-2009 |
20090240286 | Flexible Element and Integrated Claim for Spine Stabilization System - A system for flexibly stabilizing a vertebral motion segment by connecting a first vertebra and a second vertebra is disclosed. The system includes an elongate connection element with end portions interconnected by a flexible coupling member. The system includes first and second attachment portions for connecting the connection element to the vertebrae. A first resilient member is positioned between the first end portion and the first attachment portion, and a second resilient member is positioned between the first attachment portion and the second attachment portion. The system is designed such that the second resilient member is compressed when the first and second attachment portions move towards each other, and the first resilient member is compressed when the first and second attachment portions extend away from each other. | 09-24-2009 |
20090259257 | Pedicule-Based Motion- Preserving Device - Methods and devices for a motion-preserving spinal rod are disclosed including an elongate first rod portion extending generally along a first curved path wherein at least a portion of the first curved path substantially approximates a kinematic curve defined by flexion and extension of a superior vertebra relative to an inferior vertebra. An elongate second rod portion is coupled to the first rod portion. It extends along a second curved path wherein at least a portion of the second curved path substantially approximates a posterior lordotic curve, and wherein the first curved path is oriented relative to the second curved path to substantially form an S-shaped curve. A core extends between the first rod portion and the second rod portion and a resilient damper is disposed about the core. | 10-15-2009 |
20090326582 | Dynamic Rod - A spinal implant system for stabilization of the spine is disclosed comprising a pair of bone anchors, an elongate stabilization device received in the bone anchors, the stabilization device having an elongate inner stabilizing member and an outer stabilizing member disposed about the inner member and wherein said anchors are configured to inhibit translation of the outer member and to permit translation of the inner member. | 12-31-2009 |
20100042157 | VERTEBRAL ROD SYSTEM AND METHODS OF USE - A vertebral rod is provided having a first elongated section and a second elongated section. An intermediate section is disposed between the first section and the second section. The intermediate section has an inner surface that defines a first locking part. A resistance member has an exterior surface that defines a second locking part configured for engagement with the first locking part such that the resistance member is fixed with and engaging at least a portion of the inner surface. | 02-18-2010 |
20100069963 | INTERNAL FIXATION SYSTEM FOR SPINE SURGERY - Provided is a spinal fixation system that includes a pedicle screw having a bone engagement thread at a first end of the pedicle screw and an intermediate shaft portion located between the bone engagement thread and a second end of the pedicle screw and having a substantially conical shaped flange. The system also includes a clamp that fits over the second end of the pedicle screw, a fixation rod that can be secured between the clamp and an external side of the pedicle screw, and a fastener that can be coupled to the second end of the pedicle screw. Coupling of the fastener to the second end of the pedicle screw provides a clamping force that presses the fixation rod against the intermediate shaft portion of the pedicle screw. | 03-18-2010 |
20100222820 | VERTEBRAL ROD SYSTEM AND METHODS OF USE - A vertebral rod includes a first elongated section defining a first thickness. A second elongated section defines a second thickness. An intermediate section is disposed between the first section and the second section and defines a third thickness. The third thickness has a dimension being less than a dimension of at least one of the first thickness and the second thickness. The intermediate section has an inner surface that defines an open end. A resistance member has an exterior surface configured for engaging at least a portion of the inner surface. | 09-02-2010 |
20100274287 | Flexible Articulating Spinal Rod - Embodiments of the invention include a spinal construct for stabilizing a segment of a spinal column with a flexible spinal rod having one or more flexible components that articulate longitudinally and change curvature along at least a portion of their length in response to normal physiological loads. | 10-28-2010 |
20110160774 | SPINAL STABILIZATION SYSTEMS - Spinal stabilizing elements and spinal stabilization systems composed of spinal stabilizing elements in combination with disc prostheses or disc nucleus replacements are provided. The stabilizing elements and stabilization systems are designed to preserve the natural mobility of vertebral discs and facet joints in patients with facet joint disease or patients who has undergone a prior destabilizing procedure, such as a facetectomy. The stabilizing elements may be pivoting elements or dynamic elements. | 06-30-2011 |
20120071927 | SPINAL COLUMN STABILIZATION SYSTEM, CONNECTING ELEMENT FOR A SPINAL COLUMN STABILIZATION SYSTEM AND METHOD OF MANUFACTURING SUCH A CONNECTING ELEMENT - A connecting element for a spinal column stabilization system includes a first attachment section for fixing to a first bone attachment device, a second attachment section for fixing to a second bone attachment device and an at least partially flexible intermediate section. The intermediate section is arranged between the first and the second attachment section and is in the form of a strip-like, winding leaf spring element having at least one recess. A desired spring stiffness is maintained as precisely as possible, especially in the intermediate section independently of possible manufacturing tolerances arising from the manufacturing process. At least one of the two leaf spring element surfaces of the leaf spring element includes at least one stiffness-modifying element. The connecting element may be part of an improved spinal column fixation system and made by an improved method of manufacturing a connecting element. | 03-22-2012 |
20120265247 | FLEXIBLE STABILIZATION DEVICE FOR DYNAMIC STABILIZATION OF BONES OR VERTEBRAE - A flexible stabilization device for dynamic stabilization of bones or vertebrae is provided comprising a rod construct including a rod made of an elastomeric material the rod having a first connection section, a second connection section and a third section therebetween, the first and second connection sections being connectable with a bone anchoring device, respectively, and a sleeve provided on at least a portion of the third section of the rod such that at least the first and second connection sections are exposed. | 10-18-2012 |
20120330362 | BONE ANCHORING DEVICE - A bone anchoring device includes an anchoring element having a shank to be anchored in a bone or a vertebra, a rod for connecting at least two anchoring elements, the rod being made of an elastic material. The bone anchoring device further includes a receiving part being connected to the shank for receiving the rod, a seat for the rod being provided in the receiving part the seat having a rod contacting surface, and a locking device cooperating with the receiving part for fixation of the rod in the seat. The locking device includes a rod contacting surface, wherein the rod contacting surface of the seat and/or the rod contacting surface of the locking device includes an engagement structure for engaging the rod, the engagement structure having an asymmetric cross section. | 12-27-2012 |
20130079824 | FRICTIONAL SCREW-ROD CONNECTION HAVING AN INDIRECT FORM-LOCKING PORTION - A spinal column implant for elastic stabilization of vertebrae, includes a pedicle screw and an elastic rod which is anchored in a frictional fashion in a receptacle of pedicle screws by means of a filling piece, and a clamping element. The frictional connection is supported additionally by an indirect form-fit portion. | 03-28-2013 |
20130085533 | ORTHOSIS TO CORRECT SPINAL DEFORMITIES - An orthosis for correcting spinal deformities by urging spinal vertebrae toward a vertical axis. The orthosis includes a series of retaining clamps fixed onto the spinous process of said vertebrae, each of said retaining clamps having guides for retaining at least one elastic rod. | 04-04-2013 |
20130184755 | STABILIZATION DEVICE FOR STABILIZING BONES OF A VERTEBRA AND ROD CONNECTOR USED THEREFOR - A stabilization device for stabilizing bones of a vertebra includes a first rod, a second rod, a rod connector connecting the first rod and the second rod, the rod connector comprising a receiving portion for receiving the first rod and a fixation element for fixing the first rod in the receiving portion, wherein in the receiving portion a rod contacting surface is provided and wherein the contour of this rod contacting surface has deviations from the contour of the surface of the first rod. The rod connector allows to connect a flexible rod, for example made of an elastomer material, with a rigid rod, made for example of a metal. | 07-18-2013 |
20130184756 | DISC DISTRACTION DEVICE - A disc distraction device comprising a first pedicle screw having a mounting end and a head end, a second pedicle screw having a mounting end and a head end, a rigid interconnection member coupled proximate the head end of both the first and second pedicle screws, and a spring member coupled to the first and second pedicle screws closer to the mounting ends of the pedicle screws than the rigid interconnection member. | 07-18-2013 |
20130211454 | SPINAL COLUMN STABILIZATION SYSTEM AND SURGICAL DEVICE FOR TEMPORARILY STIFFENING A FLEXIBLE INTERMEDIATE SECTION OF A CONNECTING ELEMENT OF THE SPINAL COLUMN STABILIZATION SYSTEM - A surgical device is used for temporarily stiffening an at least partially flexible intermediate section of a connecting element for a spinal column stabilization system. The connecting element includes a first attachment section for fixing to a first bone fixation device and a second attachment section for fixing to a second bone fixation device. The at least partially flexible intermediate section is arranged between the first and second attachment sections. The intermediate section defines at least one recess configured to enable deformation of the intermediate section. The surgical device includes at least one blocking element which is adapted to be brought into engagement with the intermediate section at least partially with a positively locking connection for temporarily preventing deformation of the flexible intermediate section. An improved spinal column stabilization system includes at least one first bone fixation device, at least one second bone fixation device and a connecting element. | 08-15-2013 |
20140018856 | ROD-SHAPED IMPLANT ELEMENT FOR THE APPLICATION IN SPINE SURGERY OR TRAUMA SURGERY AND STABILIZATION DEVICE WITH SUCH A ROD-SHAPED IMPLANT ELEMENT - A rod-shaped implant element is provided for connecting at least two bone anchoring elements. Each bone anchoring element includes an anchoring section to be anchored in the bone and a receiver member to be connected to the rod-shaped implant element. The rod-shaped implant element includes, a longitudinal axis, at least one first length of a rigid section that is configured to cooperate with and be received in the receiver member, a second length of a flexible section adjacent to the rigid section, a bore coaxial to the longitudinal axis and extending through the rigid section and the flexible section, and a core accommodated in the bore, the core having two opposite ends. At least one end of the core is freely movable in the bore when said flexible section is extended or compressed in a direction of the longitudinal axis. | 01-16-2014 |
20140025116 | Fixing Structure of Bone Screws and a Connecting Rod for a Minimally Invasive Surgery - A fixing structure of bone screws and a connecting rod for a minimally invasive surgery contains: a rigid sleeve having a receiving space, two slots, and a through hole, the receiving space and the through hole being defined on two ends of the rigid sleeve, and the two slots being formed on two opposite sides of an outer wall of the rigid sleeve and communicate with the receiving space; a flexible column being circular and retained in the receiving space of the rigid sleeve. Thereby, a complete rigid limitation and partial flexible limitations generate between at least one bone screw, hence only a tiny opening is cut in the minimally invasive surgery to facilitate surgery recovery and to lower infection risk. | 01-23-2014 |
20140031868 | FLEXIBLE STABILIZATION DEVICE FOR DYNAMIC STABILIZATION OF BONES OR VERTEBRAE - A flexible stabilization device for dynamic stabilization of bones or vertebrae is provided comprising a rod construct including a rod made of an elastomeric material the rod having a first connection section, a second connection section and a third section therebetween, the first and second connection sections being connectable with a bone anchoring device, respectively, and a sleeve provided on at least a portion of the third section of the rod such that at least the first and second connection sections are exposed. | 01-30-2014 |
20140303672 | SYSTEMS AND METHODS FOR STABILIZING THE SPINE - A device for treatment of spinal deformities or injuries includes: a plurality of rods made of shape memory metal; attachment devices to attach the rods to the vertebrae; and a rod end cover to make it comfortable for the patient. | 10-09-2014 |
20140343609 | Flexible Spine Stabilization System - A system for flexibly stabilizing a vertebral motion segment by connecting a first vertebra and a second vertebra is disclosed. The system includes an elongate connection element with end portions interconnected by a flexible coupling member. The system includes first and second attachment portions for connecting the connection element to the vertebrae. A first resilient member is positioned between the first end portion and the first attachment portion, and a second resilient member is positioned between the first attachment portion and the second attachment portion. The system is designed such that the second resilient member is compressed when the first and second attachment portions move towards each other, and the first resilient member is compressed when the first and second attachment portions extend away from each other. | 11-20-2014 |
20140343610 | DYNAMIC SPINAL STABILIZATION ASSEMBLY WITH ELASTIC BUMPERS AND LOCKING LIMITED TRAVEL CLOSURE MECHANISMS - A dynamic stabilization assembly includes a core, typically in the form of a tensioned cord, at least one pair of bone anchors, a spacer surrounding the core located between the bone anchors, at least one elastic bumper and at least one fixing or blocking member. The core is slidable with respect to at least one of the bone anchors, the spacer and the bumper. The bumper is compressed. Bone screws of the assembly include closure structures that lock against the bone screw independent of any fixing or sliding of the core with respect to the bone screw. | 11-20-2014 |
20150142058 | METHOD AND APPARATUS FOR THE TREATMENT OF SCOLIOSIS - Spinal adjustment system including at least three implant modules, at least one of the implant modules being a first implant module including:
| 05-21-2015 |
20150342646 | IMPLANTATION SYSTEM FOR TREATMENT OF A DEFECTIVE CURVATURE OF THE SPINAL COLUMN - An implantation system for treatment of a defective curvature of the spinal column comprises an elongated element, a first bone fixation element being fixedly attached to said elongated element, a second bone fixation element, and guiding structure through which the second bone fixation element is slidably and contactingly connected to the elongated element. The elongated element has bending resilience and/or torsional resilience for applying corrective force action to the spinal column. A special arrangement of the guiding structure provides automatical adjustment of the corrective force action in dependence of growth of the spinal column. The system allows for good flexibility of the spine and for a natural healthy growth of the spine, while it avoids re-operations and implant adjustments. | 12-03-2015 |
20160051287 | Flexible Spine Components - An improved flexible component used for dynamic stabilization of spinal segments for the treatment of vertebrae deformities and injuries and for the replacement of a complete or segment of the body of a vertebra in the spine is described. The flexible component is comprised of a solid, suitable implant material with a longitudinal bore the entire length and an appropriately formed slot which extends spirally around the shaft either continuously or segmentally. The flexible component may be encapsulated, fully or partially, in a suitable implant grade elastomeric resilient material. When used for a dynamic stabilization device, the component is attached to the vertebral bodies by pedicle screws know to those in the art. When used as a vertebral replacement device, attached to the component's opposite ends are members for attachment to the adjacent vertebra that allow for height and angular adjustment. | 02-25-2016 |
20160120575 | SPINAL FIXATION MEMBER - A system for fixing spinal vertebrae utilizes a spinal rod that has varying properties along its length such that a lower stiffness portion is placed in the cranial or caudal end positions of the spinal rod to address potential adjacent level failure. The spinal rod includes a core member formed of a first material having a first modulus of elasticity and a sheath member formed of a second material having a second modulus of elasticity different from the first modulus of elasticity. The core member includes a first portion having a uniform outer diameter and a second portion extending from the first portion. At least a portion of the second portion has an outer diameter smaller than the uniform outer diameter of the first portion. The sheath member has a lumen extending therethrough that is sized for slidably receiving the second portion of the core member therein. | 05-05-2016 |
20160120577 | FLEXIBLE SPINE STABILIZATION SYSTEM - A system for flexibly stabilizing a vertebral motion segment by connecting a first vertebra and a second vertebra is disclosed. The system includes an elongate connection element with end portions interconnected by a flexible coupling member. The system includes first and second attachment portions for connecting the connection element to the vertebrae. A first resilient member is positioned between the first end portion and the first attachment portion, and a second resilient member is positioned between the first attachment portion and the second attachment portion. The system is designed such that the second resilient member is compressed when the first and second attachment portions move towards each other, and the first resilient member is compressed when the first and second attachment portions extend away from each other. | 05-05-2016 |
20220133359 | DYNAMIC STABILIZATION CONNECTING MEMBER WITH PRE-TENSIONED SOLID CORE MEMBER - A dynamic longitudinal connecting member assembly includes an anchor member having an integral or otherwise fixed elongate core of circular or non-circular cross-section. The core is pre-tensioned and extends through at least one elastic spacer and at least one outer sleeve. The anchor member and the outer sleeve each attach to at least one bone anchor. In operation, the core is held in tension by the spacer. | 05-05-2022 |