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72 results about "Dynamic fixation" patented technology
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Dynamic fixation device and method of use
InactiveUS6966910B2Avoid stress failureSimple flexionInternal osteosythesisJoint implantsDynamic fixationEngineering
A dynamic fixation device is provided that allows the vertebrae to which it is attached to move in flexion within the normal physiological limits of motion, while also providing structural support that limits the amount of translation motion beyond normal physiological limits. The present invention includes a flexible portion and two ends that are adapted for connection to pedicle screws.
Owner:RITLAND STEPHEN
Dynamic fixation assemblies with inner core and outer coil-like member
A dynamic fixation medical implant includes a longitudinal connecting member assembly having an elongate coil-like outer member and an inner cylindrical core attached to the outer member at only one end thereof. Some assemblies include a second longitudinal connecting member in the form of a rod that is fixed to the inner core and extends outwardly from the assembly. Certain assemblies include a threaded core or threaded inserts that cooperate with a helical slit of the coil-like outer member. Two or more cooperating bone screw assemblies attach to the connecting member assembly. The bone screw assemblies may include upper and lower compression members for affixing to and cradling the coil-like outer member only, allowing relative movement between the outer member and the inner cylindrical core. Press fit or snap-on features attach one end of the coil-like outer member to one end of the inner cylindrical core.
Owner:JACKSON
Dynamic fixation device and method of use
InactiveUS20060009768A1Avoid developmentConstrain motionInternal osteosythesisJoint implantsDynamic fixationEngineering
A dynamic fixation device is provided that allows the vertebrae to which it is attached to move in flexion within the normal physiological limits of motion, while also providing structural support that limits the amount of translation motion beyond normal physiological limits. The present invention includes a flexible portion and two ends that are adapted for connection to pedicle screws.
Owner:RITLAND STEPHEN
Dynamic fixation device and method of use
InactiveUS20070016193A1Avoid developmentPain minimizationInternal osteosythesisJoint implantsDynamic fixationPedicle screw
A dynamic fixation device is provided that allows the vertebrae to which it is attached to move in flexion within the normal physiological limits of motion, while also providing structural support that limits the amount of translation motion beyond normal physiological limits. The present invention includes a flexible portion and two ends that are adapted for connection to pedicle screws. In at least one embodiment of the present invention, the normal axis of rotation of the vertebrae is substantially duplicated by the dynamic fixation device. The flexible portion of the dynamic fixation device can include a flexible anterior-posterior segment, an anterior-posterior segment bounded by one or more zones with cuts in the rod portions, a flexible accordion-like segment, and / or a hinge portion.
Owner:RITLAND STEPHEN
Device for the dynamic fixation of bones
InactiveUS20070233087A1Relieve pressureIncrease elasticitySuture equipmentsInternal osteosythesisDynamic fixationCoaxial cavity
An intermediate element for a detachable, lockable, ball joint-like connection in a device for the dynamic fixation of bones has a longitudinal axis, an outer wall concentric with the longitudinal axis, and an inner wall forming a coaxial cavity. Either the outer wall or the inner wall comprises one of two contact zones that form the ball joint-like connection. The intermediate element is at least partly made of a super-elastic or visco-elastic material.
Owner:SYNTHES USA
Dynamic stabilization connecting member with slitted segment and surrounding external elastomer
InactiveUS20080140076A1Easy to useInexpensiveInternal osteosythesisJoint implantsElastomerDynamic fixation
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having an elongate core that includes the following integral features: a stop plate; a slitted segment; and a threaded segment or a second stop plate. The assembly may further includes a spacer and a nut. The spacer surrounds the slitted segment and the nut is rotatingly mated with the threaded segment. The nut abuts and compresses the spacer against the stop plate and places distractive tension on the slitted segment. Alternative embodiments include a molded spacer cooperating with a neutral, tensioned or bent slitted segment and in some embodiments cooperating with a cable or elastic band.
Owner:JACKSON
Dynamic stabilization connecting member with molded inner segment and surrounding external elastomer
InactiveUS20080147122A1Easy to useInexpensiveInternal osteosythesisDiagnosticsElastomerDynamic fixation
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having an inner elastic molded core and an outer spacer, the core and spacer being disposed between a pair of solid substantially rigid end portions. The assembly may further include a washer and a nut with the inner core or core portion being pre-tensioned. Alternatively, the outer spacer is molded over the inner elastic core, the core being in a neutral, compressed, tensioned or bent orientation during over molding of the spacer.
Owner:JACKSON
Dynamic stabilization member with molded connection
InactiveUS20080183216A1Easy to useInexpensiveSuture equipmentsInternal osteosythesisDynamic fixationBiomedical engineering
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having at least one transition portion and cooperating outer sleeve, both the transition portion and sleeve being disposed between the two bone anchors. The transition portion includes a rigid length or rod having apertures therein and a molded plastic length that extends through the apertures, thus attaching the plastic length to the rigid length. The sleeve surrounds the transition portion and extends between the pair of bone anchors, the sleeve being compressible in a longitudinal direction between the bone anchors.
Owner:JACKSON
Dynamic stabilization connecting member with cord connection
ActiveUS20080177317A1Easy to useInexpensiveSuture equipmentsInternal osteosythesisDynamic fixationOuter Cannula
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having at least one transition portion and cooperating outer sleeve, both the transition portion and sleeve being disposed between the two bone anchors. In a first embodiment, the transition portion includes a rigid length or rod having apertures therein for tying or otherwise attaching the rigid length to a second rigid length or to a flexible cord. Slender ties or cords extend through a plurality of apertures in the rigid lengths or are threaded, tied or plaited to the larger flexible cord or cable. In a second embodiment, a transition portion includes slender ties of a cord that are imbedded in a molded plastic of a more rigid member. The outer sleeve may include compression grooves. The sleeve surrounds the transition portion and extends between the pair of bone anchors, the sleeve being compressible in a longitudinal direction between the bone anchors.
Owner:JACKSON
Dynamic stabilization connecting member with elastic core and outer sleeve
InactiveUS20070293862A1Easy to useInexpensiveSuture equipmentsInternal osteosythesisBiomedical engineeringDynamic fixation
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having an elongate core and an outer sleeve. The core is of one-piece construction, elastic, and includes end portions for attachment to the bone anchors. The outer sleeve may include compression grooves. The sleeve surrounds the core and extends between the pair of bone anchors, the sleeve being compressible between the bone anchors.
Owner:JACKSON
System and method for joint resurfacing with dynamic fixation
A joint resurfacing system for repairing defects in the articular surface of bones in the foot. The system includes a hemiarthroplasty implant for the talus resulting in minimal removal of the underlying bone. The implant device comprises a first curved surface and a second curved surface, with the second curved surface coupled to an articular surface of a talus bone via a dynamic fixation device.
Owner:EXTREMITY MEDICAL
Longitudinal connecting member with sleeved tensioned cords
InactiveUS20100331887A1Variable segmental stiffnessFlexibility in bendingInternal osteosythesisJoint implantsDynamic fixationBiomedical engineering
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having rigid sleeves for attachment to the bone anchors, at least one spacer engaging the bone anchors and the sleeves, and in some embodiments, an end elastic bumper. A flexible cord is initially slidingly received within the rigid sleeves, the spacer and the bumper. The spacer may include an optional inelastic inner liner, with at least one of the sleeves having an extension slidingly receivable within the liner. Some sleeves include apertures for receiving a closure top portion for locking the cord against the sleeve, or alternatively receiving a closure top that does not extend into the aperture, the slip or grip option provided by the aperture in each sleeve resulting in an overall connector with variable segmental stiffness.
Owner:JACKSON ROGER P
Dynamic stabilization connecting member with slitted core and outer sleeve
InactiveUS20070270860A1Easy to useInexpensiveSuture equipmentsInternal osteosythesisDynamic fixationBiomedical engineering
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having an elongate core and an outer sleeve. The core may be substantially cylindrical, of one-piece construction, and includes end portions for attachment to the bone anchors. A portion of the core extending between the bone anchors has at least one slit. The outer sleeve may include compression grooves. The sleeve surrounds the core and extends between the pair of bone anchors, the sleeve being compressible in a longitudinal direction between the bone anchors.
Owner:JACKSON
Supplementary Spinal Fixation/Stabilization Apparatus With Dynamic Inter-Vertebral Connection
A spinal implant provides supplemental and dynamic fixation and / or stabilization of the spine via connection to one or more existing or new spinal fixation and / or stabilization spinal constructs. The supplementary spinal fixation / stabilization implant has a first attachment device configured to couple to an existing or new spinal fixation / stabilization construct and a second attachment device configured to couple to the existing or new spinal fixation / stabilization construct at a second location. The first and second attachment devices are joined to each other via a resilient connector that allows dynamic movement between the first and second attachment devices.
Owner:LIFE SPINE INC
Intramedullary nail and associated method
InactiveUS20060095039A1Limit motionImprove abilitiesInternal osteosythesisJoint implantsDynamic fixationPlastic surgery
An intramedullary nail for use with a first fastener and a second fastener for use in orthopaedic surgery is provided. The nail includes a body defining a longitudinal axis of the body. The body defines an aperture through the body. The aperture has a first portion for cooperation with the first fastener to provide dynamic fixation and a second portion for cooperation with the fastener nail to provide static fixation.
Owner:BIOMET CV
Dynamic fixation device and method of use
A dynamic fixation device is provided that allows the vertebrae to which it is attached to move in flexion within the normal physiological limits of motion, while also providing structural support that limits the amount of translation motion beyond normal physiological limits. The present invention includes a flexible portion and two ends that are adapted for connection to pedicle screws. In at least one embodiment of the present invention, the normal axis of rotation of the vertebrae is substantially duplicated by the dynamic fixation device. The flexible portion of the dynamic fixation device can include a geometric shape and / or a hinge portion.
Owner:RITLAND STEPHEN
Dynamic stabilization member with fin support and cable core extension
A dynamic fixation medical implant having at least two bone anchors includes a dynamic longitudinal connecting member assembly having the following features: a pair of elongate segments, each segment having at least one and up to a plurality of integral fins axially extending therefrom; an inner cable fixed to one of the elongate segments and slidingly received in the other elongate segment; a molded spacer that substantially surrounds the fins and may partially or substantially surround the abutment plates; a bumper; a crimp ring; and optional sleeves having abutment plates and fins for placement between elongate segments.
Owner:JACKSON
Dynamic fixation assemblies with pre-tensioned cord segments
ActiveUS20080319482A1Easy to useInexpensiveSuture equipmentsInternal osteosythesisDynamic fixationBiomedical engineering
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having a core portion made from at least one pre-tensioned flexible member and a cooperating pre-compressed surrounding outer sleeve. The sleeve surrounds the core and is disposed between cooperating rigid end members that are attached to the bone anchors.
Owner:JACKSON
Dynamic fixation system
ActiveUS20100069964A1Promote sportsImprove protectionInternal osteosythesisJoint implantsDynamic fixationBone fixation
The present invention is directed to a dynamic fixation system for engaging, via bone fixation elements, one or more parts of a patient's body. Preferably, the dynamic fixation system is used to engage one or more vertebrae for stabilizing the attached vertebrae with respect to one another while still permitting the vertebrae to move with respect to one another. The dynamic fixation system may include a first rod having first and second ends, a second rod having first and second ends, and a damping component and / or a damping mechanism for interconnecting the first and second rods. In one embodiment, the damping component is injection molded in-between the one of the ends of the first rod and one of the ends of the second rod so that the first and second rods are prevented from separating with respect to one another but are still permitted to move with respect to one another.
Owner:DEPUY SYNTHES PROD INC
Dynamic stabilization member with molded connection
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having at least one transition portion and cooperating outer sleeve, both the transition portion and sleeve being disposed between the two bone anchors. The transition portion includes a rigid length or rod having apertures therein and a molded plastic length that extends through the apertures, thus attaching the plastic length to the rigid length. The sleeve surrounds the transition portion and extends between the pair of bone anchors, the sleeve being compressible in a longitudinal direction between the bone anchors.
Owner:JACKSON
Dynamic stabilization connecting member with floating core, compression spacer and over-mold
InactiveUS20100010543A1Limit compressionLimit distractionInternal osteosythesisJoint implantsDynamic fixationBiomedical engineering
A dynamic fixation medical implant having at least two bone anchors includes a dynamic longitudinal connecting member assembly having the following features: a pair of elongate bone anchor engagement segments, a floating inner core disposed in apertures of both anchor segments, at least one compression spacer surrounding the core and located between the anchor segments and in some embodiments an over-mold surrounding the compression spacer and at least a portion of one of the anchor segments. The implant may further include a tubed sleeve surrounding the core and located between the anchor segments.
Owner:JACKSON
Elastic covered dynamic stabilization connector and assembly
InactiveUS20090093844A1Easy to useInexpensiveSuture equipmentsInternal osteosythesisDynamic fixationBiomedical engineering
A dynamic fixation medical implant having at least two bone anchors includes a dynamic longitudinal connector having a solid core with an elastic over-molded portion. The over-molded portion may be firmly adhered or clamped to at least a portion of the solid core. Alternatively, the over-molded portion may completely envelope the solid core and in some embodiments slide on the core. At least one bone anchor includes at least one insert for gripping the over-molded portion without crushing such portion into fixed relation with the core.
Owner:JACKSON
Dynamic fixation stimuli for visual field testing and therapy
Owner:NOVAVISION
Dynamic stabilization connecting member with elastic core and outer sleeve
A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having an elongate core and an outer sleeve. The core is of one-piece construction, elastic, and includes end portions for attachment to the bone anchors. The outer sleeve may include compression grooves. The sleeve surrounds the core and extends between the pair of bone anchors, the sleeve being compressible between the bone anchors.
Owner:JACKSON
Dynamic stabilization assembly with frusto-conical connection
A dynamic fixation medical implant for attachment to at least two bone anchors includes a longitudinal connecting member assembly having first and second rigid sections, at least one section having a convex or frusto-conical surface held in spaced relation with the other section by an elastic spacer. The spacer may be an over-mold that connects the first and second rigid sections. Some embodiments include an inner, tougher spacer and a separate over-molded spacer.
Owner:JACKSON
Dynamic stabilization member with fin support and solid core extension
InactiveUS20090105764A1Easy to useInexpensiveSuture equipmentsInternal osteosythesisDynamic fixationEngineering
A dynamic fixation medical implant having at least two bone anchors includes a dynamic longitudinal connecting member assembly having the following features: a pair of elongate segments, each segment having at least one and up to a plurality of integral fins axially extending therefrom; a core extension integral with one of the elongate segments and slidingly received in the other elongate segment; a molded spacer that substantially surrounds the fins and may partially or substantially surround the abutment plates; an optional bumper; an optional crimp ring; and optional sleeves having abutment plates and fins for placement between elongate segments.
Owner:JACKSON
Intramedullary nail and associated method
InactiveUS7947043B2Limit motionInternal osteosythesisJoint implantsIntramedullary rodDynamic fixation
An intramedullary nail for use with a first fastener and a second fastener for use in orthopaedic surgery is provided. The nail includes a body defining a longitudinal axis of the body. The body defines an aperture through the body. The aperture has a first portion for cooperation with the first fastener to provide dynamic fixation and a second portion for cooperation with the fastener nail to provide static fixation.
Owner:BIOMET CV
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