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99 results about "Vertebral compression fracture" patented technology
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A compression fracture is a collapse of a vertebra. It may be due to trauma or due to a weakening of the vertebra (compare with burst fracture). This weakening is seen in patients with osteoporosis or osteogenesis imperfecta, lytic lesions from metastatic or primary tumors, or infection. In healthy patients, it is most often seen in individuals suffering extreme vertical shocks, such as ejecting from an ejection seat. Seen in lateral views in plain x-ray films, compression fractures of the spine characteristically appear as wedge deformities, with greater loss of height anteriorly than posteriorly and intact pedicles in the anteroposterior view.
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
Biocompatible wires and methods of using same to fill bone void
InactiveUS20050015148A1Reduce compression fractureInternal osteosythesisSpinal implantsWire rodBone structure
Devices, kits, and methods are provided for reducing a bone fracture, e.g., a vertebral compression fracture, is provided. The device comprises a plurality of resilient wires composed of a biocompatible material, such as a biocompatible polymer (e.g., polymethylmethacrylate (PMMA)). The wires can be introduced into the cavity of the bone structure to form a web-like arrangement therein. The web-like arrangement can be stabilized by applying uncured bone cement onto the arrangement to connect the wires at their contacts point. The bone cavity can then be filled with a bone growth enhancing medium.
Owner:BOSTON SCI SCIMED INC
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
Composites and methods for treating bone
A system and method for treating bone abnormalities including vertebral compression fractures and the like. In one vertebroplasty method, a fill material is injected under high pressures into cancellous bone wherein the fill material includes a flowable bone cement component and an elastomeric polymer component that is carried therein. The elastomer component can further carry microscale or mesoscale reticulated elements. Under suitable injection pressures, the elastomeric component ultimately migrates within the flowable material to alter the apparent viscosity across the plume of fill material to accomplish multiple functions. For example, the differential in apparent viscosity across the fill material creates a broad load-distributing layer within cancellous bone for applying retraction forces to cortical bone endplates. The differential in apparent viscosity also transitions into a flow impermeable layer at the interface of cancellous bone and the flowable material to prevent extravasion of the flowable bone cement component.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS7559932B2Inhibit migrationSpinal implantsFastenersFilling materialsVertebra compression fracture
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS20060122625A1Inhibit migrationInternal osteosythesisJoint implantsHigh accelerationVertebra compression fracture
The present invention relates in certain embodiments to medical devices for treating vertebral compression fractures. More particularly, embodiments of the invention relate to instruments and methods for controllably restoring vertebral body height by controlling the flow of bone cement into the interior of a vertebra and the application of forces causes by the cement flow. An exemplary system utilizes Rf energy in combination a conductive bone cement for selectively polymerizing the inflow plume to increase the viscosity of the cement. In one aspect of the invention, the system utilizes a controller to control bone cement flow parameters to either allow or disallow cement interdigitation into cancellous bone. A method of the invention includes pulsing the flows of bone cement wherein high acceleration of the flow pulses can apply expansion forces across the surface of the cement plume to reduce a vertebral fracture.
Owner:DFINE INC
Bone treatment systems and methods
Owner:DFINE INC
Bone treatment systems and methods for introducing an abrading structure to abrade bone
ActiveUS7682378B2Increase the sectionIncrease spacingJoint implantsExcision instrumentsMedicineProphylactic treatment
The invention provides instruments and methods for prophylactic treatment of an osteoporotic vertebral body or for treating a vertebral compression fracture (VCF). In one exemplary method, a probe system uses a high speed rotational elastomeric cutter having an optional expandable abrasive surface for abrading or cutting at least one path or region within vertebral cancellous bone. Irrigation and aspiration sources are included in the probe system for removing abraded bone debris. In one embodiment, the high speed rotational abrader uses a tissue-selective abrading surface that abrades or cuts bone but does not cut soft tissue. In another embodiment, an expandable abrading surface allows the treatment of bone with low pressures to create paths or spaces without explosive expansion forces known in prior art balloon procedures that are designed to crush and compact cancellous bone in a vertebra. After the creation of a path or space, an in-situ hardenable bone cement volume is introduced into each path or space to support the vertebra.
Owner:DFINE INC
Porous containment device and associated method for stabilization of vertebral compression fractures
ActiveUS20100262240A1Restoring anatomyEasy to optimizeInternal osteosythesisDiagnosticsFilling materialsMedicine
The present invention is directed to a porous or permeable containment device for implanting into the interior volume of a targeted vertebral body for use in restoring the anatomy of the targeted vertebral body. The containment device is expandable from an insertion configuration to an expanded configuration via, for example, a bone filler material. The containment device preferably permits the bone filler material to flow out of the containment device via, for example, one or more pores, one or more flow-directing tentacles, etc. so that the bone filler material may interdigitates with the surrounding bone tissue. The containment device is preferably configured to have a pre-determined, ‘dog-bone’ shape, when in the expanded configuration. The containment device preferably also includes one or more knobs or ribs to facilitate anchoring of the containment device to the surrounding bone tissue, one or more air or fluid evacuation pores to permit air or fluid from escaping from the interior volume of the containment device and / or one or more radiopacity rings or markers to enable a surgeon to locate and / or position the containment device under X-ray imaging.
Owner:DEPUY SYNTHES PROD INC
Bone treatment systems and methods
InactiveUS20080091207A1Joint implantsSurgical instruments for heatingFilling materialsCancellous bone
Apparatuses, methods, and kits for treating bone (e.g., vertebral compression fractures) includes a shaft with a working end that can be bent into an arc-shaped working end. The shaft can be introduced into a bone (e.g., introduced through a sleeve into cancellous bone) and carries a cutting element that can be actuated across the arc-shaped working end to cut a plane in cancellous bone, which can optionally be filled with a bone fill material (e.g., bone cement).
Owner:DFINE INC
Bone treatment systems and methods
InactiveUS20060122614A1Inhibit migrationInternal osteosythesisJoint implantsVertebra compression fractureMedical treatment
The present invention relates in certain embodiments to medical devices for treating osteoplasty procedures such as vertebral compression fractures. More particularly, embodiments of the invention relate to instruments and methods for controllably restoring vertebral body height by controlling the geometry of fill material introduced into cancellous bone. An exemplary system utilizes Rf energy in combination a conductive bone fill material for polymerizing the surface of the inflow plume to control the geometry of the fill material and the application of force caused by inflows of fill material. In another embodiment, method of treating bone includes injecting a volume of fill material into a bone and selectively modifying a viscosity of a selected portion of the bone filler to control the direction of flow of the fill material within the bone. A system for treating bone using this method includes an introducer for delivering fill material into the bone and an energy source selectively coupleable to the fill material to alter the viscosity of the fill material as it flows out of the introducer.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS20060122624A1Inhibit migrationInternal osteosythesisJoint implantsVertebra compression fractureMedical treatment
The present invention relates in certain embodiments to medical devices for treating osteoplasty procedures such as vertebral compression fractures. More particularly, embodiments of the invention relate to instruments and methods for controllably restoring vertebral body height by controlling the geometry of fill material introduced into cancellous bone. An exemplary system utilizes Rf energy in combination a conductive bone fill material for polymerizing the surface of the inflow plume to control the geometry of the fill material and the application of force caused by inflows of fill material. In another embodiment, method of treating bone includes injecting a volume of fill material into a bone and selectively modifying a viscosity of a selected portion of the bone filler to control the direction of flow of the fill material within the bone. A system for treating bone using this method includes an introducer for delivering fill material into the bone and an energy source selectively coupleable to the fill material to alter the viscosity of the fill material as it flows out of the introducer.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS20060149268A1Increase the cross sectionIncrease spacingSurgeryIntravenous devicesProphylactic treatmentVertebra compression fracture
The invention provides instruments and methods for prophylactic treatment of an osteoporotic vertebral body or for treating a vertebral compression fracture (VCF). In one exemplary method, a probe system uses a high speed rotational cutter for abrading or cutting a plane within vertebral cancellous bone. Optional irrigation and aspiration sources are included in the probe system for removing abraded bone debris. In one embodiment, the high speed cutter uses a tissue-selective abrading surface that abrades or cuts bone but does not cut soft tissue. After the creation of a weakened cut plane in the bone, reduction of the fracture requires reduced forces.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS7678116B2Inhibit migrationHigh viscosityInternal osteosythesisSpinal implantsFilling materialsVertebra compression fracture
The present invention relates in certain embodiments to medical devices for treating osteoplasty procedures such as vertebral compression fractures. More particularly, embodiments of the invention relate to instruments and methods for controllably restoring vertebral body height by controlling the geometry of fill material introduced into cancellous bone. An exemplary system utilizes Rf energy in combination a conductive bone fill material for polymerizing the surface of the inflow plume to control the geometry of the fill material and the application of force caused by inflows of fill material. In another embodiment, method of treating bone includes injecting a volume of fill material into a bone and selectively modifying a viscosity of a selected portion of the bone filler to control the direction of flow of the fill material within the bone. A system for treating bone using this method includes an introducer for delivering fill material into the bone and an energy source selectively coupleable to the fill material to alter the viscosity of the fill material as it flows out of the introducer.
Owner:DFINE INC
Systems for sensing retrograde flows of bone fill material
InactiveUS20070118144A1Inhibit migrationReduction procedureDiagnosticsSpinal implantsCounter flowFilling materials
The present invention relates in certain embodiments to medical devices, systems and methods for use in osteoplasty procedures, such as vertebral compression fractures. One device for delivering a bone fill material to a bone, such as a vertebra, includes an elongated sleeve configured for introduction into a bone, the elongated sleeve having an opening to allow a flow of bone fill material therethrough into the bone. The device also includes at least one sensor disposed on an exterior surface of the sleeve, the sensor being configured to sense a retrograde flow of bone fill material about the sleeve and proximate the at least one sensor. One system for treating a bone includes such a device and a controller configured to receive signals from the sensor and controls at least one parameter of bone fill material flow into the bone based at least in part on said signals.
Owner:DFINE INC
Bone treatment systems and methods
InactiveUS20080065083A1Inhibit migrationHigh viscositySurgical needlesMedical devicesVertebra compression fractureBone cement
The present invention relates in certain embodiments to systems for treating vertebral compression fractures. In one embodiment, an elongated sleeve defines a passageway therethrough, and has a threaded portion configured to engage bone. The sleeve includes a seal configured to allow instrument exchange through the passageway and into the interior of the vertebra to perform at least one medical procedure, such as injection of bone cement into the vertebral body.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS20060122621A1Inhibit migrationJoint implantsSpinal implantsVertebra compression fractureBone cement
The present invention relates in certain embodiments to medical devices for treating osteoplasty procedures such as vertebral compression fractures. More particularly, embodiments of the invention relate to instruments and methods for controllably restoring vertebral body height by controlling the geometry of bone cement introduced into the interior of a vertebra. An exemplary system utilizes Rf energy in combination a conductive bone cement for polymerizing the inflow plume to control the geometry of the fill material and the application of force caused by inflows of cement. In another embodiment, a method of treating bone includes utilizing a controller to control (i) bone cement inflow parameters and (ii) energy delivery parameters selectively modify the viscosity of a selected portion of bone cement as it is introduced. A system for treating bone includes an introducer for delivering bone and an energy source selectively coupleable to the bone cement to alter the viscosity of the fill material as it flows out of the introducer. One method includes pulsing the inflows of bone cement and further applying pulsed aspiration forces to the interior of the vertebra to relieve interior pressures to prevent emboli from migrating into the venous system.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS20060264965A1Easy to controlAddress bad outcomesInternal osteosythesisBone implantVertebra compression fractureCancellous bone
Methods and instruments for treating an osteoporotic vertebral body or for treating a vertebral compression fracture. An exemplary method includes introducing an open knit structure together with a bone cement into a bone wherein the knit structure extends substantially throughout the interior of the cement volume. In one aspect of the invention, the bone cement volumes cures with the filament structure reinforcing the cement. In another aspect of the invention, the open knit structure is configured to direct flows of bone cement to apply forces for reducing a vertebral compression fracture. In another aspect of the invention, the system provides bone cement flows that extend through the knit structure thus allowing the cement to fully interdigitate with the cancellous bone.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS8070753B2Inhibit migrationInternal osteosythesisSpinal implantsFilling materialsVertebra compression fracture
The present invention relates in certain embodiments to medical devices for treating osteoplasty procedures such as vertebral compression fractures. More particularly, embodiments of the invention relate to instruments and methods for controllably restoring vertebral body height by controlling the geometry of fill material introduced into cancellous bone. An exemplary system utilizes Rf energy in combination a conductive bone fill material for polymerizing the surface of the inflow plume to control the geometry of the fill material and the application of force caused by inflows of fill material. In another embodiment, method of treating bone includes injecting a volume of fill material into a bone and selectively modifying a viscosity of a selected portion of the bone filler to control the direction of flow of the fill material within the bone. A system for treating bone using this method includes an introducer for delivering fill material into the bone and an energy source selectively coupleable to the fill material to alter the viscosity of the fill material as it flows out of the introducer.
Owner:DFINE INC
Devices and methods for treating bone
A device is disclosed for reducing a vertebral compression fracture, comprising a superior end plate and an inferior end plate disposed along a vertical axis. The superior end plate and the inferior end plate are slidably separable in a vertical direction along the vertical axis. An interior chamber is provided in fluid communication with a port extending from an exterior to the interior chamber. The device is deployable within a vertebral body and expandable within the vertebral body by injecting a flowable material into the interior chamber thereby displacing the superior and inferior end plates along the vertical axis.
Owner:GLOBUS MEDICAL INC
Methods for sensing retrograde flows of bone fill material
InactiveUS20070162043A1Inhibit migrationReduction procedureDiagnosticsSpinal implantsFilling materialsRetrograde Flow
The present invention relates in certain embodiments to medical devices and methods for use in osteoplasty procedures, such as vertebral compression fractures. One method for treating an abnormal vertebra includes flowing a bone fill material through an introducer into a vertebral body along a first direction and sensing a flow of said bone fill material about an outer surface of the introducer in a second direction different from said first direction. In other embodiments, a signal is generated to alert a physician of said bone fill material flow in said second direction.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS7717918B2Inhibit migrationSpinal implantsOsteosynthesis devicesVertebra compression fractureBone cement
Owner:DFINE INC
Devices and Methods for Treating Bone
A device is disclosed for reducing a vertebral compression fracture, comprising a superior end plate and an inferior end plate disposed along a vertical axis. The superior end plate and the inferior end plate are slidably separable in a vertical direction along the vertical axis. An interior chamber is provided in fluid communication with a port extending from an exterior to the interior chamber. The device is deployable within a vertebral body and expandable within the vertebral body by injecting a flowable material into the interior chamber thereby displacing the superior and inferior end plates along the vertical axis.
Owner:GLOBUS MEDICAL INC
Bone treatment systems and methods
InactiveUS20100030220A1Easy to controlAddress bad outcomesHeart defibrillatorsProsthesisThermal energyVertebra compression fracture
Systems and methods for treating vertebral compression fractures are provided. In one embodiment, a bone cement injector system can include a first handle component that is detachably coupled to a second sleeve component having a distal end configured for positioning in bone, and a flow channel extending through the first and second components. The system can include a thermal energy emitter. The flow channel can have a flow channel surface with a material that that limits cement flow turbulence. At least a portion of the flow channel can have a non-round cross section.
Owner:DFINE INC
Apparatus and methods for reducing compression bone fractures using high strength ribbed members
InactiveUS7513900B2Low shear strengthSmall profileInternal osteosythesisDiagnosticsCommon baseFracture reduction
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
Surgical instruments and a set of surgical instruments for use in treatment of vertebral bodies
InactiveUS7160306B2Easy to identifyPrevent accidental useInternal osteosythesisBone implantVolumetric Mass DensityUpper anterior
Various surgical instruments for use in the treatment of vertebral body compression fractures, used respectively for: widening a working path; reducing deformity; inserting a filler; and impacting a filler are provided. A set of surgical instruments including these instruments makes it possible to treat collapsed vertebral bodies easily and reliably are provided. The set includes a guide rod 1 (an instrument for widening a working path), a vertical elevator 2 (an instrument for reducing deformity), a horizontal elevator 3 (an instrument for reducing deformity), an inserter 4 (an instrument for inserting a filler), and an impactor 5 (an instrument for impacting a filler). The guide rod 1 is used for widening a path 93 formed in a collapsed vertebral body 91. The vertical elevator 2 is used for returning the upper anterior portion of the collapsed vertebral body 91 to a substantially original shape. The horizontal elevator 3 is used for returning the upper middle portion of the collapsed vertebral body 91 to a substantially original shape. The inserter 4 is used for inserting a filler into the reduced vertebral body 91. The impactor 5 is used for increasing the density of the filler inserted into the reduced vertebral body 91.
Owner:MATSUZAKI HIROMI +1
Bone treatment systems and methods
InactiveUS20090149878A1High viscosityInhibit migrationSurgical needlesProsthesisThermal energyFilling materials
The present invention relates in certain embodiments to systems for treating vertebral compression fractures. In one embodiment, a trocar with a flexible tip is provided to create a curved path in cancellous bone. An injector can be introduced into the vertebra in communication with the curved path for delivery of bone fill material into the curved path. Optionally, thermal energy can be applied to the bone fill material prior to injection into the curved path in cancellous bone to alter a property (e.g., viscosity) of the bone fill material.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS20080269761A1Constant viscositySelectively accelerate polymerization rateElectrotherapyDiagnosticsFilling materialsVertebra compression fracture
The present invention relates in certain embodiments to systems and methods for treating bone, such as vertebral compression fractures. In one embodiment, a method includes controllably applying energy from an energy source to a bone cement volume outside of a patient's body to selectively accelerate the polymerization rate of the bone fill material volume prior to introduction of the bone fill material into a bone. The method further includes sequentially introducing a plurality of cement carrying structures with said accelerated polymerization rate bone cement volume into the bone. A system for use in said method includes at least one elongated cement-carrying structure sized to carry a bone cement volume therein and an energy source operatively coupleable to the cement-carrying structure. The energy source applies energy to the bone cement volume to selectively accelerate a polymerization rate thereof. An elongated injector is insertable into the bone and has a passageway that removably receives the elongated cement-carrying structure to allow delivery of the accelerated polymerization rate bone cement into the bone.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS8562607B2Increase the sectionIncrease spacingSurgeryIntravenous devicesProphylactic treatmentVertebra compression fracture
The invention provides instruments and methods for prophylactic treatment of an osteoporotic vertebral body or for treating a vertebral compression fracture (VCF). In one exemplary method, a probe system uses a high speed rotational cutter for abrading or cutting a plane within vertebral cancellous bone. Optional irrigation and aspiration sources are included in the probe system for removing abraded bone debris. In one embodiment, the high speed cutter uses a tissue-selective abrading surface that abrades or cuts bone but does not cut soft tissue. After the creation of a weakened cut plane in the bone, reduction of the fracture requires reduced forces.
Owner:DFINE INC
Biomedical treatment systems and methods
InactiveUS20060229628A1Reduction and elimination of exothermic effectInternal osteosythesisProsthesisDistractionVertebral height
An apparatus and method for distraction of tissue or bone in a surgery. A method comprises inserting into targeted tissue a distraction device configured with at least one phase transition extendable body. After deployment in a non-extended configuration, the physician applies a stimulus to the body or bodies to cause a liquid-to-vapor or solid-to-vapor phase transition within the body that extends the body in a fast event from the non-extended configuration to an extended configuration to thereby apply distraction forces to the targeted tissue. The extendable body is made of biocompatible materials having any suitable configuration. In one embodiment, the implant and system is used for reducing a vertebral compression fracture. The distraction system can be used to distribute forces over a selected region of strong cortical bone to restore vertebral height. Such a system can be dimensioned as a cylindrical, spherical, annular or part-annular construct for creating selected directional forces for moving apart cortical endplates.
Owner:DFINE INC
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