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180 results about "Bone structures" patented technology
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Controlled architecture ceramic composites by stereolithography
InactiveUS6283997B1Quality improvementFast preparationProgramme controlAdditive manufacturing apparatusCeramic compositeMetallurgy
A process for producing a ceramic composite having a porous network. The process includes providing a photocurable ceramic dispersion. The dispersion consists of a photocurable polymer and a ceramic composition. The surface of the dispersion is scanned with a laser to cure the photocurable polymer to produce a photocured polymer / ceramic composition. The photocured composition useful as a polymer / ceramic composite, or the polymer phase can be removed by heating to a first temperature that is sufficient to burn out the photocured polymer. It is then heated to a second temperature that is higher than the first temperature and is sufficient to sinter the ceramic composition to produce a purely ceramic composition having a porous network.Preferably and more specifically, the process uses a stereolithographic technique for laser scanning. The process can form a high quality orthopedic implant that dimensionally matches the bone structure of a patient. The technique relies upon laser photocuring a dense colloidal dispersion into a desired complex three-dimensional shape. The shape is obtained from a CAT scan file of a bone and is rendered into a CAD file that is readable by the stereolithography instrument. Or the shape is obtained directly from a CAD file that is readable by the stereolithography instrument.
Owner:UNITED STATES SURGICAL CORP +2
Apparatus for fusing adjacent bone structures
InactiveUS6979353B2Easy to optimizeEasy to integrateBone implantSurgeryBone structuresIntervertebral space
Owner:HOWMEDICA OSTEONICS CORP
Methods for the compensation of imaging technique in the processing of radiographic images
The present invention relates to methods and devices for analyzing x-ray images. In particular, devices, methods and algorithms are provided that allow for the accurate and reliable evaluation of bone structure and macro-anatomical parameters from x-ray images.
Owner:IMATX
Systems and methods for stabilization of bone structures
Owner:EXACTECH INC
Digital technologies for planning and carrying out dental restorative procedures
A method and system for the fabrication of dental articles includes at least two imaging and measuring devices, which measure and provide images of the internal and external structure of intra-oral objects in a patient's oral cavity. The outputs from these devices are linked so that the descriptions of the intra-oral objects and features, oral cavity and surrounding bone structure are stored in a system of reference positions. The system of reference positions functions as a “global positioning device” registering locations and orientations of the measuring and imaging device or probe relative to the intra-oral objects and bone structure and orientations of the resulting individual frames or scans in the global system of coordinates. Three-dimensional images, scans and / or maps of the oral cavity obtained from each device are pieced together to generate solid three-dimensional models of the intra-oral objects.
Owner:PENTRON LAB TECH
Systems and methods for stabilization of bone structures
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV
Method and system for modelling bone structure
InactiveUS20050131662A1Improve understandingUltrasonic/sonic/infrasonic diagnosticsCosmetic preparationsBone structuresMedicine
The present invention discloses a structural and mechanical model and modeling methods for human bone based on bone's hierarchical structure and on its hierarchical mechanical behavior. The model allows for the assessment of bone deformations, computation of strains and stresses due to the specific forces acting on bone during function, and contemplates forces that do or do not cause viscous effects and forces that cause either elastic or plastic bone deformation.
Owner:RGT UNIV OF CALIFORNIA
Single or multi-mode cardiac activity data collection, processing and display obtained in a non-invasive manner
InactiveUS7043292B2Improve signal-to-noise ratioEasy to identifyElectrocardiographyOrgan movement/changes detectionUltrasonic sensorCardiac surface
The method of presenting concurrent information about the electrical and mechanical activity of the heart using non-invasively obtained electrical and mechanical cardiac activity data from the chest or thorax of a patient comprises the steps of: placing at least three active Laplacian ECG sensors at locations on the chest or thorax of the patient; where each sensor has at least one outer ring element and an inner solid circle element, placing at least one ultrasonic sensor on the thorax where there is no underlying bone structure, only tissue, and utilizing available ultrasound technology to produce two or three-dimensional displays of the moving surface of the heart and making direct measurements of the exact sites of the sensors on the chest surface to determine the position and distance from the center of each sensor to the heart along a line orthogonal to the plane of the sensor and create a virtual heart surface; updating the measurements at a rate to show the movement of the heart's surface; monitoring at each ultrasonic sensor site and each Laplacian ECG sensor site the position and movement of the heart and the passage of depolarization wave-fronts in the vicinity; treating those depolarization wave-fronts as moving dipoles at those sites to create images of their movement on the image of the beating heart's surface; and, displaying the heart's electrical activity on the dynamically changing image of the heart's surface with the goal to display an approximation of the activation sequence on the beating virtual surface of the heart
Owner:TARJAN PETER P +2
Orthodontic treatment planning using biological constraints
The invention relates to planning orthodontic treatment for a patient, including surgery, using biological constrains such as those arising from bone, soft tissue, and roots of patient's teeth. The invention disclosed herein provides capability to vary the movement ratio between the teeth and bone and soft tissue through treatment simulation to assess the risk factor associated with a particular treatment plan. The invention further provides capability to monitor results of the treatment to determine the actual movement ratio between the teeth and bone and soft tissue and update the database. Additionally, a method and apparatus are disclosed enabling an orthodontist or a user to create an unified three dimensional virtual craniofacial and dentition model of actual, as-is static and functional anatomy of a patient, from data representing facial bone structure; upper jaw and lower jaw; facial soft tissue; teeth including crowns and roots; information of the position of the roots relative to each other; and relative to the facial bone structure of the patient; obtained by scanning as-is anatomy of craniofacial and dentition structures of the patient with a volume scanning device; and data representing three dimensional virtual models of the patient's upper and lower gingiva, obtained from scanning the patient's upper and lower gingiva either (a) with a volume scanning device, or (a) with a surface scanning device. Such craniofacial and dentition models of the patient can be used in optimally planning treatment of a patient.
Owner:ORAMETRIX COM
Device for monitoring penetration into anatomical members
InactiveUS20050119660A1Inhibition of lesionsElectrotherapySurgeryElectrical resistance and conductanceAnatomical structures
The invention relates to a device that can be used to monitor the penetration of a penetration member into anatomical structures and, in particular, bone structures of a living body, the structures having at least two different electrical impedance areas. The device is characterized in that it comprises: at least one impedance meter which can be connected to at least two electrodes, at least one of the electrodes being located at a distal end of the penetration member; and at least one alert device which can produce an alert signal if the impedance meter detects an impedance variation. The invention also relates to a penetration member for the device and to an electronic board for the device.
Owner:SPINEGUARD A FRENCH SAS +1
Systems and methods for stabilization of bone structures
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV
System and method of predicting future fractures
Methods of predicting fracture risk of a patient include: obtaining an image of a bone of the patient; determining one or more bone structure parameters; predicting a fracture line with the bone structure parameter; predicting a fracture load at which a fracture will happen; estimating body habitus of the patient; calculating a peak impact force on the bone when the patient falls; and predicting a fracture risk by calculating the ratio between the peak impact force and the fracture load. Inventive methods also includes determining the effect of a candidate agent on any subject's risk of fracture.
Owner:IMATX
Methods for the compensation of imaging technique in the processing of radiographic images
Owner:IMATX INC
Composition for promoting healthy bone structure
InactiveUS6447809B1Increase bone densityPrevents radial bone lossBiocideHeavy metal active ingredientsVitamin CRegimen
A dietary supplement for benefitting human bone health includes a calcium source, a source of vitamin D activity, and an osteoblast stimulant. A preferred calcium source is microcrystalline hydroxyapatite, which also contains protein (mostly collagen), phosphorus, fat, and other minerals. A preferred source of vitamin D activity is cholecalciferol, and a preferred osteoblast stimulant is ipriflavone. In addition to these basic ingredients, the composition can further include various other minerals known to occur in bone, vitamin C, and glucosamine sulfate, all of which exert beneficial effects on growth and maintenance of healthy bone. A method for benefitting human bone health involves administering a daily regimen of the dietary supplement.
Owner:PHOENIX DICHTUNGSTECHN +1
Modeling micro-scaffold-based implants for bone tissue engineering
InactiveUS20110022174A1Easy to integrateSimple processBone implantCharacter and pattern recognitionMicro structureNatural bone
A new conceptual biomedical method is presented for designing scaffold-based bone implants and using these implants in treating deteriorated bones. These implants have micro-architectural bone structures that are capable of mimicking the stochastic micro-structure as in natural bone bio-mineral structures. Moreover, they can be adapted as specific tailor-made compatible bone-repair mediator implants to be used as effective substitutes for natural damaged bone fracture structures.
Owner:TECHNION RES & DEV FOUND LTD
Systems and methods for stabilization of bone structures
InactiveUS7935134B2Relieve stressHigh degreeInternal osteosythesisJoint implantsBone structuresSmall incision
Owner:EXACTECH INC
Bone probe apparatus and method of use
In one embodiment, an apparatus includes a probe configured to be percutaneously deployed within an interior portion of a bone structure. At least a portion of the probe is configured to contact a portion of the interior portion of the bone structure when the probe is actuated within the interior portion of the bone structure. The apparatus also includes a pressure indicator that is configured to provide pressure data associated with a pressure externally exerted on the probe when the probe is actuated within the interior portion of the bone structure. In some embodiments, the probe includes an expandable member. In some embodiments, the probe includes an expandable low-compliance balloon.
Owner:KYPHON
Low-compliance expandable medical device
An apparatus includes an elongate body and an expandable member coupled to the elongate body. In one embodiment, the expandable member has a collapsed configuration, an unfolded configuration and an expanded configuration. The expandable member is configured to be percutaneously inserted into an interior portion of a bone structure when the expandable member is in the collapsed configuration. The expandable member is configured to exert a pressure in a vertical direction on a first portion of the bone structure in contact with the expandable member greater than a pressure exerted in a lateral direction on a second portion of the bone structure in contact with the expandable member when the expandable member transitions from the unfolded configuration to the expanded configuration.
Owner:KYPHON
Device for monitoring penetration into anatomical members
InactiveUS7580743B2Inhibition of lesionsElectrotherapySurgeryElectrical resistance and conductanceAnatomical structures
Owner:SPINEGUARD A FRENCH SAS +1
Implants having three distinct surfaces
ActiveUS20120316650A1Positively influence naturally occurring biological bone remodelingPositively fusion responseBone implantSpinal implantsRough surfaceBone structures
An interbody spinal implant having at least three distinct surfaces including (1) at least one integration surface having a roughened surface topography including macro features, micro features, and nano features, without sharp teeth that risk damage to bone structures; (2) at least one graft contact surface having a coarse surface topography including micro features and nano features; and (3) at least one soft tissue surface having a substantially smooth surface including nano features. Also disclosed are processes of fabricating the different surface topographies, which may include separate macro processing, micro processing, and nano processing steps.
Owner:TITAN SPINE
Method and apparatus for segmenting structure in CT angiography
A technique is provided for automatically generating a bone mask in CTA angiography. In accordance with the technique, an image data set may be pre-processed to accomplish a variety of function, such as removal of image data associated with the table, partitioning the volume into regionally consistent sub-volumes, computing structures edges based on gradients, and / or calculating seed points for subsequent region growing. The pre-processed data may then be automatically segmented for bone and vascular structure. The automatic vascular segmentation may be accomplished using constrained region growing in which the constraints are dynamically updated based upon local statistics of the image data. The vascular structure may be subtracted from the bone structure to generate a bone mask. The bone mask may in turn be subtracted from the image data set to generate a bone-free CTA volume for reconstruction of volume renderings.
Owner:GENERAL ELECTRIC CO
Repositioning of components related to cranial surgical procedures in a patient
ActiveUS20110060558A1Inhibit migrationCritical applicationDental implantsMechanical/radiation/invasive therapiesBone structuresSkull bone
Methods, systems, and computer-readable media are disclosed herein for virtually planning a cranial guided surgery in a subject. These include, in some embodiments, generating a first data set based on input data obtained of a reference structure having a defined fixed relation to a bone structure of said subject and generating a second data set based on input data obtained of a master structure for a surgical template, where the master structure has a defined relation to said reference structure. Further, in some embodiments, a third data set for production of said surgical can be generated based on the first data send and the second data set, wherein the relation of said reference structure to said master structure is preserved.
Owner:NOBEL BIOCARE SERVICES AG
Bone fusion device and methods
Owner:KYPHON
Method and system for rapid prototyping of complex structures
InactiveUS20140031967A1Facilitate user-directed placementHigh densityAdditive manufacturing apparatusManufacturing data aquisition/processingBone structureVoxel
A method is provided for rapid prototyping of complex structures, such as complex bone structures and internal neural and cardiovascular pathways. The method involves loading the triangles from a polygonal mesh computer model of a 3D object having one or more internal void spaces, converting the triangles to voxels, separating the voxels of the model into watertight pieces, and printing the pieces using a 3D printer such as a ZPrinter™. The method allows realistic internal void space representation through removal of excess powder from printing which would otherwise be trapped in the whole object and also allows the application of a resin to internal surfaces which may provide realistic internal object density useful for medical and other applications. Pegs and holes may also be added to and subtracted from the pieces to allow for assembly of the printed object. A system and computer program product is also provided.
Owner:6598057 MANITOBA
Apparatus and method for stylet-guided vertebral augmentation
ActiveUS8894658B2Restore bone heightSimple structureJoint implantsDiagnostic markersBone structuresBone augmentation
Owner:STRYKER CORP
Apparatus and methods for reducing compression bone fractures using high strength ribbed members
InactiveUS7513900B2Low shear strengthSmall profileInternal osteosythesisDiagnosticsCommon baseFracture reduction
Owner:BOSTON SCI SCIMED INC
Method for tooth implants
InactiveUS8083522B2Accurate modelingCorrection capabilityDental implantsAdditive manufacturing apparatusBone structuresMissing tooth
Owner:INPRONTO
System and Method for Centering Surgical Cutting Tools About the Spinous Process or Other Bone Structure
InactiveUS20070173853A1Reduce traumaSurgeryNon-surgical orthopedic devicesBone structuresLaminectomy procedure
Various embodiments of the present invention provide, for example, a system and method for centering a surgical tool about the spinous process or other bony structure. Certain embodiments of the present invention may guide the surgical tool along a posterior midline of the spine in order to divide the spinous process. Various embodiments of the present invention may also further provide a system and method for performing a minimally invasive laminectomy procedure via the midline approach described above that may thus reduce the trauma experienced by tissues surrounding the spine or other bony structure.
Owner:UNIV OF FLORIDA RES FOUNDATION INC
Phototherapy apparatus and method for bone healing, bone growth stimulation, and bone cartilage regeneration
Phototherapy apparatus, incorporating interconnected radiation sources, such as diode laser cluster radiation devices, and method for bone healing, bone growth stimulation, and bone cartilage regeneration are disclosed. The method consists of applying the said radiation cluster apparatus conformally around the desired area of the bone to be treated and providing irradiation at appropriate wavelengths and power densities for a selected period of time to the said area of the bone structure to be treated. The apparatus incorporates a sufficient number of the diode laser cluster devices, or other appropriate light sources, which are adapted to be placed inside an appropriate brace (e.g., ankle brace or knee brace), or are embedded inside a reconfigurable foam, or are embedded inside deformable gel material, or are embedded within the cast, which facilitate radially-positioned sources for irradiation of the area to be treated.
Owner:MEDX HEALTH
Interactive Ultrasound-Based Depth Measurement For Medical Applications
InactiveUS20080234579A1Small dimensionControl volumeUltrasonic/sonic/infrasonic diagnosticsAnalysing fluids using sonic/ultrasonic/infrasonic wavesLiquid jetBone structures
A device for determining the internal structure of a bone along a path directed into the bone (or other tissue) is disclosed. The device comprises a nozzle fluidically connected to a liquid reservoir for providing a liquid jet directed at the bone in the direction of the path; an ultrasonic transducer for generating ultrasonic waves through the liquid jet and for detecting echoes of the ultrasonic waves caused by changes in the acoustical impedance in the bone characterizing changes in the structure of the bone along the path; and an analyzer for interpreting the echoes into meaningful information relating to the location of the structural changes along the path.
Owner:JETGUIDE
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