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804 results about "Vertebral bone" patented technology
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The vertebral body is composed of hard cortical bone on the outside and less dense cancellous bone on the inside. The top and bottom of the vertebral body are called the end plates. The intervertebral disc, sandwiched between two vertebral bodies, is attached to the end plates.
Method of inserting and preloading spinal implants
InactiveUS6080155ARestoring and maintaining normal angular relationshipFaster and safe and more efficaciousInternal osteosythesisBone implantIntervertebral spaceIntervertebral disk
Apparatus and a method of inserting spinal implants is disclosed in which an intervertebral space is first distracted, a hollow sleeve having teeth at one end is then driven into the vertebrae adjacent that disc space. A drill is then passed through the hollow sleeve removing disc and bone in preparation for receiving the spinal implant which is then inserted through the sleeve. Apparatus and a method of inserting spinal implants is disclosed in which an intervertebral space is first distracted to restore the normal angular relationship of the vertebrae adjacent to that disc space. An extended outer sleeve having extended portions capable of maintaining the vertebrae distracted in their normal angular relationship is then driven into the vertebrae adjacent that disc space. A drill is then passed through the hollow sleeve removing disc and bone in preparation for receiving the spinal implant which is then inserted through the sleeve.
Owner:WARSAW ORTHOPEDIC INC
Apparatus for inserting spinal implants
InactiveUS6096038AEliminate separationEfficient removalInternal osteosythesisBone implantIntervertebral spaceIntervertebral disk
Apparatus and a method of inserting spinal implants is disclosed in which an intervertebral space is first distracted, a hollow sleeve having teeth at one end is then driven into the vertebrae adjacent that disc space. A drill is then passed through the hollow sleeve removing disc and bone in preparation for receiving the spinal implant which is then inserted through the sleeve.
Owner:WARSAW ORTHOPEDIC INC
Stent systems and methods for spine treatment
InactiveUS20060100706A1Prevent subsidenceRestore body heightInternal osteosythesisSpinal implantsSpinal columnCardiac allograft
Stent systems and methods for expanding and deploying stents in hard tissue such as bone, more particularly within a vertebral body. One exemplary method includes using a stent body that is coupled to a high speed rotational motor with the stent expandable and detachable from an introducer working end. In one embodiment, the stent is a deformable metal body with zig-zag type struts in an expanded configuration that carries diamond cutting particles bonded to the strut surfaces. The “spin” stent is rotated at high rpm's to remove cancellous bone from the deployment site together with irrigation and aspiration at the end of the probe that carries the stent. The stent may be expanded asymmetrically, such as with first and second balloons or by using an interior restraint, to apply vertical distraction forces to move apart the cortical endplates and support the vertebra in the distracted condition. The cancellous bone about the expanded stent as well as the interior of the stent can be filled with a bone cement, allograft or other bone graft material. In one method of use, the spin stent is designed and adapted for (i) treating a vertebral compression fracture (VCF) or for (ii) reinforcing an osteoporotic vertebral body.
Owner:DFINE INC
Prostheses, systems and methods for replacement of natural facet joints with artificial facet joint surfaces
InactiveUS6974478B2Desired range of mobilityLessen and alleviate spinal painSuture equipmentsInternal osteosythesisArticular surfacesSpinal column
Cephalad and caudal vertebral facet joint prostheses and methods of use are provided. The prostheses provide an artificial facet joint structure including an artificial articular configuration unlike the preexisting articular configuration. The radii and material stress values of the prostheses are configured to sustain contact stress. The cephalad prosthesis provides for posterior-anterior adjustment. Both prostheses permit lateral adjustment and adjustment to accomodate interpedicle distance. Further, the prostheses may be customized to provide a pre-defined lordotic angle and a pre-defined pedicle entry angle.
Owner:GLOBUS MEDICAL INC
Instruments and methods for inserting a spinal implant
Instruments of an instrumentation set may be used to prepare a disc space and to insert an implant into the prepared disc space. The instruments may include fixed tip distractors and / or modular tip distractors. The instruments may include a chisel. The chisel may allow simultaneous removal of a desired amount of bone from each of a pair of vertebrae. The instruments may include an implant inserter. The implant inserter may grip sides of an implant. A portion of the implant inserter may fit within grooves of the implant to minimize or eliminate portions of the implant that extend beyond side surfaces of the implant.
Owner:ZIMMER BIOMET SPINE INC
Methods, materials and apparatus for treating bone and other tissue
ActiveUS20060079905A1Avoid less flexibilityEasy to useImpression capsSurgical adhesivesBiomedical engineeringVertebra
A method of treating a vertebra, comprising: (a) accessing an interior of a vertebra; and (b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.
Owner:DEPUY SYNTHES PROD INC
Methods for electrosurgical treatment of spinal tissue
InactiveUS20050004634A1Stiffening the interspinous tissue structureStabilizing the vertebral columnEnemata/irrigatorsHeart valvesThermal energySpinal ligaments
Systems, apparatus, and methods for treating spinal tissue and other body structures in open and endoscopic spine surgery to relieve symptoms, such as neck or back pain. In particular, the present invention provides methods for the controlled heating of various tissues in or around the vertebral column, including various interspinous tissues, such that spinal ligaments and cartilage surrounding the vertebrae and the facet joints are shrunk or tightened to stabilize the vertebral column of a patient. Thermal energy is applied to the target tissue in a subablation mode of an electrosurgical system to cause shrinkage of the tissue, thereby stiffening the interspinous tissue and stabilizing the vertebral column. In an exemplary embodiment, a high frequency RF voltage can be applied between one or more active electrode(s) and one or more return electrode(s) to heat a target interspinous tissue to within a temperature range at which irreversible shrinkage of the tissue occurs.
Owner:ARTHROCARE
Marking and guidance method and system for flexible fixation of a spine
ActiveUS20050065515A1Easy constructionSimple designInternal osteosythesisEar treatmentSpinal columnCylindrical channel
A method and system for marking and guiding the insertion of securing members (e.g., pedicle screws) of a spinal fixation device. In one embodiment, the marking and guidance method and system includes the use of a guide tube configured to be inserted into a patient's back until a first end reaches an entry point on or near a vertebral bone of the patient's spinal column, wherein the guide tube includes a hollow cylindrical channel along its longitudinal center axis; a penetrating device configured to be positioned within the cylindrical channel of the guide tube and having a sharp tip configured to protrude outwardly from the first end of the guide tube so as to allow the first end of the guide tube to penetrate through the patient's back muscle and tissue and reach the vertebral bone at the entry point; a marking pin configured to be inserted through the cylindrical channel of the guide tube, after removal of the penetrating device, until a first end of the marking pin having a sharp tip reaches the entry point; and a pushing device configured to be inserted through the cylindrical channel of the guide tube and provide a driving force at a second end of the marking pin, opposite the first end, so as to drive and secure the first end of the marking pin into the vertebral bone, wherein the marking pin identifies the location of the entry point on the vertebral bone for subsequent implantation of a securing member of a spinal fixation device.
Owner:N SPINE INC
Techniques for positioning therapy delivery elements within a spinal cord or brain
Apparatus and techniques to address the problems associated with lead migration, patient movement or position, histological changes, neural plasticity or disease progression. Disclosed are techniques for implanting a lead having therapy delivery elements, such as electrodes or drug delivery ports, within a vertebral or cranial bone so as to maintain these elements in a fixed position relative to a desired treatment site. The therapy delivery elements may thereafter be adjusted in situ with a position control mechanism and / or a position controller to improve the desired treatment, such as_electrical stimulation and / or drug infusion to a precise target. The therapy delivery elements may be positioned laterally in any direction relative to the targeted treatment site or toward or away from the targeted treatment site. A control system maybe provided for open- or closed-loop feedback control of the position of the therapy delivery elements as well as other aspects of the treatment therapy.
Owner:MEDTRONIC INC
Trial disk implant
InactiveUS20060069436A1Minimize changesReduce dependencePerson identificationJoint implantsSpinal Disk ImplantIntervertebral disk
A trial intervertebral disk implant includes a first plate, a second plate, adjacent to the first plate, a conformable layer between the first and the second plates, and a pressure sensor within the conformable layer. The pressure sensor measures a distribution of compression force exerted by the first and the second plates on the conformable layer. The trial implant includes indicating means for indicating a position of the first and the second plates relative to each other, and locating means, for locating a position of the trial implant relative to the vertebrae between which said trial implant has been placed. The trial implant further includes at least one retractable member, connected to at least one of the first and the second plates. The retractable member can be extended or retracted through an aperture defined by a surface of the plate that is proximal to an abutting vertebra.
Owner:DEPUY SPINE INC (US)
Implantable thermal treatment method and apparatus
A long-term implantable ultrasound therapy system and method is provided that provides directional, focused ultrasound to localized regions of tissue within body joints, such as spinal joints. An ultrasound emitter or transducer is delivered to a location within the body associated with the joint and heats the target region of tissue associated with the joint from the location. Such locations for ultrasound transducer placement may include for example in or around the intervertebral discs, or the bony structures such as vertebral bodies or posterior vertebral elements such as facet joints. Various modes of operation provide for selective, controlled heating at different temperature ranges to provide different intended results in the target tissue, which ranges are significantly effected by pre-stressed tissues such as in-vivo intervertebral discs. In particular, treatments above 70 degrees C., and in particular 75 degrees C., are used for structural remodeling, whereas lower temperatures achieves other responses without appreciable remodeling.
Owner:RGT UNIV OF CALIFORNIA
Disk repair structures for positioning disk repair material
The present invention is directed to a device that can be placed between two adjacent vertebrae, and that is used to repair an injury or defect in the anulus of the intervertebral disk. The implant is characterized by having a flexible structure anchored to the vertebral bone, the flexible structure connected with a patch held in place over the injury or defect. The flexible structure has a hollow interior space which can sustain inside it a hydrogel cushion. The hydrogel cushion acts as a shock absorber for the spine, maintains height of the intervertebral disk space, and prevents further disk herniation due to the narrowing of the intervertebral disk space.
Owner:KYPHON
Intervertebral cage and method of use
InactiveUS6648915B2Restore tensionStable mechanical propertiesInternal osteosythesisBone implantSpinal columnHuman body
Owner:DEPUY ACROMED INC
Lateral expandable interbody fusion cage
Owner:MILLER JIMMY D
Apparatus and methods for reducing compression bone fractures using high strength ribbed members
InactiveUS20050070911A1Small combined profilePreserving shear strengthInternal osteosythesisDiagnosticsCommon baseBone structure
Devices and methods are provided for treating a bone structure (such as, e.g., reducing a bone fracture, e.g., a vertebral compression fracture, or stabilizing adjacent bone structure, e.g., vertebrae) is provided. The device comprises rigid or semi-rigid members, each of which comprises a common base and a plurality of ribs that extent along the a longitudinal portion of the common base. The device is configured to be placed in a collapsed state by engaging the pluralities of ribs of the members in an interposed arrangement, and configured to be placed in a deployed state by disengaging the pluralities of ribs. The ribs can be any shape, e.g., flutes, that allows opposing ribs to intermesh with one another. In this manner, the device has a relatively small profile when placed in the collapsed state, so that it can be introduced through small openings within the bone structure, while preserving the shear strength of the members during deployment of the device.
Owner:BOSTON SCI SCIMED INC
Intervertebral allograft spacer
InactiveUS6986788B2Facilitate implantationEasy to implantBone implantJoint implantsVertebraStress shielding
An allogenic intervertebral implant for fusing vertebrae is disclosed. The implant is a piece of allogenic bone conforming in size and shape with a portion of an end plate of a vertebra. The implant has a wedge-shaped profile to restore disc height and the natural curvature of the spine. The top and bottom surfaces of the implant have a plurality of teeth to resist expulsion and provide initial stability. The implant according to the present invention provides initial stability need for fusion without stress shielding.
Owner:SYNTHES USA
Devices and method for augmenting a vertebral disc
Owner:INTRINSIC THERAPEUTICS
Devices and method for augmenting a vertebral disc
A vertebral disc prosthesis, a method of implanting a prosthesis and a deployment device is provided. The prosthesis may be implanted into the interior region of the vertebral disc so as to displace existing vertebral tissue, such as NP. The size or amount of the prosthesis inserted into the interior region of the vertebral disc may be a characteristic of the disc or the prosthesis. For example, the amount or size of prosthesis inserted into the disc may be dependent upon restoring the functionality of the disc (e.g., the ability of the disc to transfer nutrients or otherwise survive, the ability of the disc to carry the required loads and absorb stress or the reduction of pain). Restoring disc function may be determined by the resulting disc height desired, the resulting disc pressure desired or the resulting disc volume desired. The prosthesis may be sized or positioned within the interior of the vertebral disc such that it is spaced from at least one of the end plates of the vertebral disc. The prosthesis may be formed of a material having a compression strength that is less than 4 mn / m<2>. A deployment device may be used to facilitate placement of the prosthesis within the vertebral disc. The prosthesis may include a grouping of multiple components that can be deployed as group.
Owner:LAMBRECHT GREGORY +3
Method and relaxable distracters for in-situ formation of intervertebral disc prosthesis
A method and a distracter for replacing a removed, intervertebral disc with a prosthesis. An inter-body distracter is inserted within the intervertebral space between adjacent vertebrae, the vertebrae are distracted and are supported by the distracter. A fluid, curable polymer is injected into the intervertebral space and around the distracter and then the polymer is cured to a semi-rigid, pliable, elastically deformable state. The distracter is then disabled from supporting compressive forces applied by the vertebrae and remains in place. The preferred distracter is a scissors jack having intermediate bearings joined by links to support feet. One of the bearings has a threaded lateral bore and the second bearing has a lateral bore. A rod extends through the bores and has a threaded portion extending from a first end of the rod and threadedly engaging the threaded bearing. The inside diameter of the second bore is greater than the outside diameter of the threaded portion of the rod so the rod is axially slidable through the second bore. A thrust bearing is fixed on the threaded rod and positioned laterally outwardly of the second bearing for forcing the second bearing laterally toward the first bearing upon rotation of the rod in one direction and for permitting the rod to be withdrawn from the bearing by rotating the rod in the opposite direction and disengaging it from the first bearing. Alternative distracters are also disclosed.
Owner:SYBERSPINE
Spinal interbody system and method
ActiveUS8216312B2Avoid expulsionLimiting reducing and limiting impactInternal osteosythesisBone implantCouplingIntervertebral disk
Embodiments of the present invention provide spinal implant systems and methods. According to one embodiment, a plate attached to one or more vertebrae can prevent expulsion of an interbody device from a disc space. The plate and interbody device can be coupled by an attachment member. According to one embodiment, the attachment member is coupled to the plate and includes a portion inserted in a threaded or non-threaded cavity. Preferably, the coupling between the plate and attachment member allows rotation in three dimensions thereby allowing the plate to rotate relative to the interbody device. This allows the plate to be better positioned for attachment to the spine during an operation.
Owner:ZIMMER BIOMET SPINE INC
Prosthetic spinal discs
ActiveUS7309357B2Sufficient forceSmooth transitionMultiple spring combinationsSpinal implantsIntervertebral discEngineering
A prosthetic spinal disc uses a stiff spring or springs for resiliency between two plates that attach to adjacent vertebrae. When the disc has multiple springs, they may be adjacent, concentric or nested. Multiple springs may be spaced around the periphery of the plates. A foil metal bellows may surround the plates to prevent material from entering or exiting the space between the plates. Alternatively, the ends of the spring(s) may be machined with spikes to engage the vertebrae directly without plates.
Owner:INFINESSE CORP
Implantable device for facet joint replacement
InactiveUS20050267579A1Desired range of mobilityLessen and alleviate spinal painInternal osteosythesisBone implantFacet joint structureProsthesis
Cephalad and caudal vertebral facet joint prostheses and methods of use are provided. The prostheses provide an artificial facet joint structure including an artificial articular configuration unlike the preexisting articular configuration. The radii and material stress values of the prostheses are configured to sustain contact stress. The cephalad prosthesis provides for posterior-anterior adjustment. Both prostheses permit lateral adjustment and adjustment to accomodate interpedicle distance. Further, the prostheses may be customized to provide a pre-defined lordotic angle and a pre-defined pedicle entry angle.
Owner:FACET SOLUTIONS
Stand alone intervertebral fusion device
InactiveUS20120078373A1Small incisionAvoid fixationBone implantSpinal implantsSpinal cageLamina terminalis
An angled fixation device, such as an angled screw. This angled fixation device may be used by the surgeon to secure a spacer to a spinal disc space. The proximal end portion of the angled fixation device is driven perpendicular to the anterior wall of the spacer, and so is parallel to the vertebral endplates and in-line with the inserter. The distal end portion of the angled fixation device is oriented at about a 45 degree angle (plus or minus 30 degrees) to the vertebral endplate it enters.
Owner:DEPUY SYNTHES PROD INC
Intervertebral disk prosthesis
ActiveUS20050033435A1Provides large amountEasy to placeJoint implantsSpinal implantsIntervertebral discVertebral bone
The invention provides an intervertebral disk prosthesis. The prosthesis comprises: a first fixing element having both an anchoring first face for anchoring in one of the vertebrae and a co-operation second face; a second fixing element having both an anchoring first face for anchoring in the other vertebrae and a co-operation second face; a first prosthesis element having both an active first face and a co-operation second face, said co-operation faces of the first fixing element and of the first prosthesis element serving to fasten the two elements together; a second prosthesis element having both an active first face and a co-operation second face, said co-operation faces of the second fixing element and of the second prosthesis element serving to fasten the two elements together; and each of said active faces of the prosthesis elements defining at least a portion of a spherical cap that is respectively concave or convex.
Owner:ABBOTT SPINE INC
Apparatus for Bone Restoration of the Spine and Methods of Use
ActiveUS20120071977A1Inhibition of contractionInternal osteosythesisBone implantMechanical resistanceBack pain
The subject disclosure is directed to systems, apparatuses, devices and methods for vertebral and spinal correction. In some embodiments, an expandable implant is provided which may be inserted inside the vertebral body and / or between two vertebrae, for instance, for maintenance and / or restoration of a space therein or there between. In certain embodiments, the implant includes a mechanical resistance that prevents the expandable implant from contracting once it has been expanded. Methods of treatment and methods of use of such implants for the alleviation of back pain (for example) are also provided herein.
Owner:STRYKER EUROPEAN OPERATIONS LIMITED
Bone fixation assembly and method of securement
A bone plate is provided for fixation of spaced vertebra. The bone plate has at least one through passage for securing the plate to bone with a bone fixation screw. The threaded shaft of a bone fixation screw is inserted through a bushing located in the through passage of the bone plate and the screw is thereby threadably secured to the underlying bone and the bushing is then compressed inward against the head of the screw with cams that are actuated by rotating the bushing in the through passage whereby the screw is locked relative to the bone plate. The bushing is not only compressed inwardly against the head of the screw but is also compressed downwardly by the cams into a seat to clamp separate elements of the bone plate together.
Owner:AESCULAP INC
Facet triangle spinal fixation device and method of use
InactiveUS20050119657A1Reduce riskFinish quicklyInternal osteosythesisJoint implantsSpinal columnUltimate tensile strength
Provided is a one-piece device and method of use of the device to enable a surgeon to bilaterally secure two vertebrae together in a manner that increases the stability and strength of the connection over that previously known in the art. Also provided is a kit including the device and ancillary instrumentation to facilitate the method of the present invention.
Owner:PYRAMID SPINE
Intervertebral prosthetic disc with metallic core
ActiveUS20060025862A1Inhibit wearAvoid tearingSpinal implantsCoatingsIntervertebral discCentre of rotation
A prosthetic disc for insertion between adjacent vertebrae includes a core having upper and lower curved surfaces and upper and lower plates. At least one of the curved surfaces of the core is metallic, and in some embodiments the entire core is metallic. Each plate has an outer surface which engages a vertebra and a metallic inner curved surface which is shaped to slide over one of the curved surfaces of the core. In some embodiments, the center of rotation of the core is free to move relative to the upper and lower metallic plates. In some embodiments, one or more channels extend across one or both of the curved surfaces of the core for allowing passage of bodily fluid to promote lubrication between the core and at least one of the plates.
Owner:SIMPLIFY MEDICAL PTY LTD
Posterior lumbar intervertebral stabilizer
A posterior intervertebral stabilizer includes: a first stabilizing element having: (i) a first surface operable to engage an endplate of a first vertebral bone of a spine, and (ii) a second surface spaced apart from the first surface and operable to engage an endplate of an adjacent second vertebral bone of the spine; a second stabilizing element having: (i) a first surface operable to engage an endplate of the first vertebral bone of the spine, and (ii) a second surface spaced apart from the first surface and operable to engage an endplate of the adjacent second vertebral bone of the spine; and respective spring elements, each including helical coils, disposed between the respective first and second surfaces of the first and second stabilizing elements, each operable to provide a reactive force in response to compression loads from the first and second vertebral bones, wherein at least some diameters of respective turns of the respective helical coils differ.
Owner:CARDO MEDICAL
Bone fusion device, apparatus and method
A bone fusion method, apparatus and device for insertion between bones that are to be fused together and / or in place of one or more of the bones, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises one or more extendable plates having a central rib. The bone fusion device includes one or more support channels configured to receive an insertion instrument that is then secured to the bone fusion device via a coupling mechanism. As a result, the coupled device is able to be securely positioned between vertebrae using the insertion instrument with minimal risk of slippage.
Owner:NEUROPRO SPINAL JAXX
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