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425 results about "Bone fragment" patented technology
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A spicule is a tiny bone fragment usually caused when wisdom teeth are extracted. When a wisdom tooth is attached to a bone in the jaw, a fragment can be left inside the gum after extraction. Spicule's are sharp fragments of bone, and they can cut and scrape the inside of the mouth and tongue.
Spinal stabilization device
ActiveUS6951561B2Prevent movementPrevent rotationSuture equipmentsInternal osteosythesisSpinal columnBone fixation devices
Owner:DEPUY SYNTHES PROD INC
Spinal fixation system having locking and unlocking devices for use with a multi-planar, taper lock screw
ActiveUS20070093817A1Easy to operateEasy to masterInternal osteosythesisJoint implantsEngineeringBone fragment
Provided is a novel spinal fixation system that includes a novel multi-planar taper lock screw for connecting a connecting rod to bone as well as a novel locking device and a novel unlocking device, each being configured to selectively partially lock or fully the novel screw of the system. The screw is capable of multi-directional articulation while the connecting rod position can remain stable and aligned as needed. After the screw had been articulated and properly positioned, it can be locked such that the screw and the connecting rod will remain in relative position to the bone. The screw is configured for easy insertion and connection as well as easy removal and disconnection from the connecting rod. A method of fixing bones or bone fragments using the novel system is also provided.
Owner:K2M
Intramedullary fixation assembly and devices and methods for installing the same
InactiveUS20060015101A1Precise positioningEasy to installInternal osteosythesisDiagnosticsBone fragmentBiomedical engineering
An intramedullary fixation assembly usable with different long bone types and a guide assembly for guiding deployment of the intramedullary fixation assembly. The intramedullary fixation assembly includes a fixation member that has ends and a curved body extending between the ends. The curved body of the fixation member has a radius of curvature configured to extend through the medullary canal regardless of the long bone anatomy. Fasteners fix the fixation member to the bone fragments and are guided by a guide assembly. The guide assembly includes a guide body defining openings configured to guide the fasteners through openings defined in the fixation member and into the bone fragments. A fixation end of the guide body includes a pair of opposing, converging surfaces that are configured to engage in a positive fit with an exposed end of the fixation member accessible through the side aperture in the first fragment.
Owner:WRIGHT MEDICAL TECH
Axial intramedullary screw for the osteosynthesis of long bones
InactiveUS6517541B1Maintain stabilityOptimizationInternal osteosythesisJoint implantsBone CortexEngineering
An axial intramedullary screw having a straight cylindrical outer surface for the operative treatment of long bones, the screw having two tips and a screw thread extending between the tips. At each of the tips there is a connection portion for screwdriver. The screw thread is used for cutting into the cortical bone of the medullary canal and due to the screwdriver connection at both ends it can be driven from either end through the cortical bone. This allows a method to be used in which the screw is threaded into one portion of a bone fragment and then after connecting a further bone fragment at the fracture site, screwed in a different direction into that further fragment. The screw also includes a transverse screw hole at one or both ends for the passage of an interlocking transverse screw therethrough.
Owner:SESIC NENAD
Distal bone anchors for bone fixation with secondary compression
Disclosed is a bone fracture fixation device, such as for reducing and compressing fractures in the proximal femur. The fixation device includes an elongate body with a helical cancellous bone anchor on a distal end. An axially moveable proximal anchor is carried by the proximal end of the fixation device. The device is rotated into position across the fracture or separation between adjacent bones and into the adjacent bone or bone fragment, and the proximal anchor is distally advanced to apply secondary compression and lock the device into place. The device may also be used for soft tissue attachments.
Owner:DEPUY SYNTHES PROD INC
Locking plate for bone anchors
InactiveUS7070601B2Simple procedureIncrease resistanceSuture equipmentsInternal osteosythesisBone splintersMedicine
Disclosed is a bone fracture fixation system, such as for reducing and compressing fractures in the proximal femur. The fixation system includes a plurality of elongated bodies with a helical cancellous bone anchor on a distal end of each of the bodies. An axially moveable plate with a plurality of openings is carried by the proximal end of the elongated bodies. The elongated bodies are rotated into position across the fracture or separation between adjacent bones and into the adjacent bone or bone fragment, and the plate is distally advanced to apply secondary compression and lock the device into place. The device may also be used for soft tissue attachments.
Owner:DEPUY SYNTHES PROD INC
Apparatus and method for sculpting the surface of a joint
InactiveUS20100145343A1Exposure was also limitedDiagnosticsNon-surgical orthopedic devicesBones jointsGear wheel
Methods and devices for sculpting bones, particularly in preparation for implanting prosthetic devices to replace articulating bone joint surfaces. Improved bone removal devices including burr mills driven by gears and loop drives are provided. Reciprocating cutters and belt cutters are also provided. Some devices have either integral or removable expandable portions to vary the force and bone resection depth. Devices can have irrigation ports and plenums to remove bone fragments. Some cutters are dual cutters, adapted to remove bone in two or more regions, such as the knee joint, simultaneously.
Owner:CAYENNE MEDICAL INC
Bone fixation system with radially extendable anchor
InactiveUS20050143734A1Large caliberSmall diameterSuture equipmentsInternal osteosythesisActuatorBone fixation devices
Disclosed is a bone fixation device of the type useful for connecting soft tissue or tendon to bone or for connecting two or more bones or bone fragments together. The device comprises an elongate body having a distal anchor thereon, an actuator and a retention member. The retention member includes a proximal anchor that is axially movably disposed with respect to the distal anchor, to accommodate different bone dimensions and permit appropriate tensioning of the fixation device.
Owner:TRIAGE MEDICAL
Compression screw apparatuses, systems and methods
InactiveUS7582107B2Easily and effectively be used to compress suitable materialsSuture equipmentsLigamentsEngineeringFracture line
Compression screw apparatuses, systems and methods are disclosed. In one embodiment, the compression screw includes a primary screw and a secondary screw. The primary screw includes an at least partially threaded leading portion and an at least partially threaded trailing portion. The secondary screw includes outer threads and has a central opening which is also threaded and adapted for being screwed onto and matingly engaging the trailing portion of the primary screw. Drivers can be used to rotatably control the primary screw and the secondary screw to cause compression of spaced-apart material, particularly for compression of bone fragments across a fracture line.
Owner:INTEGRA LIFESCI
Bone fasteners and method for stabilizing vertebral bone facets using the bone fasteners
InactiveUS20050240188A1Less invasiveLess time-consumingSuture equipmentsInternal osteosythesisVertebral boneBone fragment
Owner:WARSAW ORTHOPEDIC INC
Surgical rasping systems and mehtods
A surgical rasping system functional in multiple orthopedic applications, including but not limited to shoulder, knee, hip, wrist, ankle, spinal, or other joint procedures. The system comprises a rasping head which may be low profile and offer a flat cutting / rasping surface, and is configured to be driven by an attached hub that translates a rotational movement into a reciprocating motion. Suction for removal of bone fragments or other tissues is provided through an opening spaced apart from or adjacent to the rasping surface.
Owner:MEDICINELODGE
Surgical data carrier
InactiveUS20080230422A1Risk of infectionAdvantageously producedDiagnosticsSurgical needlesBone fragmentBiomedical engineering
The invention relates to a surgical data carrier for the identification of a medical implant, in particular, a surgical plate for the fixing of bones or bone fragments, wherein the data carrier has a carrier element and a connecting device which comprises a receptacle for the insertion of at least part of the implant. In order to make such a surgical data carrier available which has an improved handling capability, it is suggested in accordance with the invention that the data carrier have an actuating device which can be actuated by a user and with which the connecting device can be transferred from a connecting position, in which the implant is held in the receptacle, into a release position, in which the data carrier can be detached from the implant. The invention relates, in addition, to a surgical implantation system.
Owner:AESCULAP AG
Orthopaedic implant and screw assembly
InactiveUS20050055024A1High strengthIncrease resistanceInternal osteosythesisJoint implantsCompression deviceEngineering
Systems, devices and methods are disclosed for treating fractures. The systems, devices and methods may include one or both of an implant, such as an intramedullary nail, and a fastening assembly, such as a lag screw and compression screw assembly. The implant in some embodiments has a proximal section with a transverse aperture and a cross-section that may be shaped to more accurately conform to the anatomical shape of cortical bone and to provide additional strength and robustness in its lateral portions, preferably without requiring significant additional material. The fastening assembly may be received to slide, in a controlled way, in the transverse aperture of the implant. In some embodiments, the engaging member and the compression device are configured so that the compression device interacts with a portion of the implant and a portion of the engaging member to enable controlled movement between the first and second bone fragments. This configuration is useful for, among other things, compressing a fracture.
Owner:SMITH & NEPHEW INC
Proximal anchors for bone fixation system
InactiveUS20060195103A1Prevent movementSuture equipmentsInternal osteosythesisBone fixation devicesBone fragment
Disclosed is a bone fixation device of the type useful for connecting soft tissue or tendon to bone or for connecting two or more bones or bone fragments together. The device comprises an elongate body having a distal anchor thereon. An axially moveable proximal anchor is carried by the proximal end of the fixation device, to accommodate different bone dimensions and permit appropriate tensioning of the fixation device.
Owner:INTERVENTIONAL SPINE
Fracture fixation system
ActiveUS20050154392A1Reliable simple securingImprove the immunitySuture equipmentsLigamentsMedicineGonial angle
A fracture fixation system in which a plate is secured to stable bone and posts are inserted at varying angles into an unstable bone fragment by engaging in rotatable bearings which are fixedly secured in the plate when the posts are fully engaged in the bone fragment. The bearings are formed as truncated spherical members having a number of longitudinal slots extending partway along the length of the bearing to form petals which are expanded outwardly when the posts are advanced in the bearing to produce non-uniform distribution of forces between the bearing and the plate which generate force couples to resist angulation of the posts and loss of fracture fixation. Various other ways of producing non-uniform force distribution are described.
Owner:MEDOFF ROBERT J +2
Proximal anchors for bone fixation system
ActiveUS20050033289A1Prevent proximal movementPrevent rotationSuture equipmentsInternal osteosythesisBone fixation devicesBone fragment
Disclosed is a bone fixation device of the type useful for connecting soft tissue or tendon to bone or for connecting two or more bones or bone fragments together. The device comprises an elongate body having a distal anchor thereon. An axially moveable proximal anchor is carried by the proximal end of the fixation device, to accommodate different bone dimensions and permit appropriate tensioning of the fixation device.
Owner:DEPUY SYNTHES PROD INC
Bone implants with central chambers
InactiveUS7087082B2Easy to implantRestore disc height and natural curvature of spineJoint implantsSpinal implantsBone tissueBone splinters
A bone fusion implant for repair or replacement of bone includes a hollow body formed from at least two bone fragments which are configured and dimensioned for mutual engagement and which are coupled together. The hollow body may be formed of autograft, allograft, or xenograft bone tissue, and may include a core formed of at least one of bone material and bone inducing substances, with the core being disposed in the hollow body.
Owner:SYNTHES USA
Curved assembly for reattachment of fragmented bone segments
InactiveUS20090118771A1Avoid spreadingImprove mechanical propertiesSuture equipmentsInternal osteosythesisIliac screwBone fragment
The present invention is comprised generally of a curved assembly for use in reattaching bone segments created by fracture or for mating bone fragments in other reconstructive procedures. The present invention further comprises a curved drill to create the hole into which the curved screw is attached. Preferably, the curved screw and drill of the present invention are designed such that they can be used singularly or in combination with a bone plate to support bone fragments and prevent them from moving with respect to the plate.
Owner:TOBY ORTHOPAEDICS
Bone Plate System
ActiveUS20090012571A1Enhanced torsional stabilityOvercomes shortcomingInternal osteosythesisDiagnosticsIliac screwBone fragment
Bone plate systems are provided for surgical implants and bone repair. The bone plate is multi-tiered for receiving bone anchors screws for securing a plurality of bones or bone fragments in a desired relationship. The plate members include throughbores for receiving a pivot base therein, with head ends of the bone anchors being secured in the pivot bases. The throughbores may permit and define a translation path for the pivot base and the bone anchor secured therein relative to the plate. Pivot members extending between the pivot base and the plate member facilitate pivoting and optional translation of the pivot base relative to the plate. With the bone anchor seated within the pivot base, an apparatus for inhibiting screw back out is employed.
Owner:PIONEER SURGICAL TECH INC
Bone plate system and methods
ActiveUS20060161157A1Potential problemMinimize damageInternal osteosythesisDiagnosticsSurgical implantBone fragment
Bone plate systems and retainers are provided for surgical implants and bone repair. The bone plate is multi-tiered for receiving bone anchors or screws for securing multiple bones or bone fragments in a desired relationship. The plate includes bores for receiving the screws, and the bores may permit and define a translation path for the screws relative to the plate. The retainers are held in a recess in the bores to prevent screw back-out. Once the screw is seated with the plate, the retainer rests over a top surface of the screw to impede screw back-out from the plate. The retainer may expand to permit driving a screw therethrough and may contract once the screw is seated within the plate so the retainer is in a configuration for preventing back-out. Tools and methods are also provided for implantation and removal of the plates and the screws.
Owner:XTANT MEDICAL HLDG INC
Orthopaedic implant and screw assembly
Systems, devices and methods are disclosed for treating fractures. The systems, devices and methods may include one or both of an implant, such as an intramedullary nail, and a fastening assembly, such as a lag screw and compression screw assembly. The implant in some embodiments has a proximal section with a transverse aperture and a cross-section that may be shaped to more accurately conform to the anatomical shape of cortical bone and to provide additional strength and robustness in its lateral portions, preferably without requiring significant additional material. The fastening assembly may be received to slide, in a controlled way, in the transverse aperture of the implant. In some embodiments, the engaging member and the compression device are configured so that the compression device interacts with a portion of the implant and a portion of the engaging member to enable controlled movement between the first and second bone fragments. This configuration is useful for, among other things, compressing a fracture.
Owner:SMITH & NEPHEW INC
Bone-fixation device
ActiveUS20060217722A1Avoid displacementInternal osteosythesisJoint implantsTrochanterBone fixation devices
The invention relates to a trochanter stabilizing device (40), especially for fixing bone fragments in the region of the hip joint (11) or for fixing the greater trochanter (12), including A) bone stabilizing means (1) consisting of a central plate (2) with at least one fixing perforation (13) for receiving a bone fixing means (20); B) a longitude bone plate (30) with a bushing (31) arranged at an angle for receiving a fixing element (50) which can be introduced into the region of the hip joint (11) fixed thereto, whereby C) at least three peripheral arms (4) originate from the central plate (2), whereby D) each peripheral arm (4) is provided with at least one hole (5) for receiving a bone fixing means (20).
Owner:SYNTHES USA
Spinal fixation system having locking and unlocking devices for use with a multi-planar, taper lock screw
ActiveUS7988694B2Easy to operateEasy to masterInternal osteosythesisJoint implantsEngineeringBone fragment
Owner:K2M
Composition for repair of defects in osseous tissues
ActiveUS7498041B2Pharmaceutical delivery mechanismUnknown materialsTissue repairConnective tissue fiber
Tissue repair compositions, particularly bone repair compositions, containing demineralized bone fragments and homogenized connective tissues. The compositions can be used in the form of an injectable gel, an injectable paste, a paste, a putty, or a rehydratable freeze-dried form.
Owner:LIFENET HEALTH
External fixator for immobilizing bone fragments, particularly in the area of the wrist
InactiveUS6530925B2Simple structureEasy to manufactureFractureInvalid friendly devicesExternal fixatorSpherical shaped
This fixator (1) comprises a rigid bar (7), two pin-holder assemblies (8, 9) which can be moved relative to this bar (7), and means (13, 22) with which it is possible to immobilize each pin-holder assembly (8, 9) in a defined position relative to the bar (7).According to the invention:the bar (7) has a cylindrical main part (10) and a spherical part (11) at one end;a first pin-holder assembly (8) comprises a one-piece body (12) with a bore passing through it to permit its engagement by sliding on the cylindrical part (10) of the bar (7); andthe second pin-holder assembly (9) comprises a one-piece body (15) in which a recess (16) is formed, this recess (16) having a zone of partially spherical shape with a radius slightly greater than that of said spherical part (11), this zone being such that it can receive this spherical part (11) with pivoting, without lateral play, and with a possibility of articulation of said second pin-holder assembly (9).
Owner:STRYKER EURO OPERATIONS HLDG LLC
Double compression unloadable screw system
InactiveUS20050143735A1Easy to compressIncrease heightInternal osteosythesisJoint implantsDouble compressionScrew system
A bone screw assembly for joining bone fragments having a screw shaft, a compression head and a sleeve. The compression head has external threads for providing double compression of the bone fragments. The sleeve extends along and around the screw shaft to provide reinforcing strength and alignment to the screw.
Owner:MILLENNIUM MEDICAL TECH INC
Universal modular external fixation system
InactiveUS6716212B1Easy and efficient to manufactureDurable and reliable constructionInternal osteosythesisFractureCouplingLONG BONE FRACTURE
A universal modular external fixation system for immobilizing bone fragments in long bone fractures. The universal modular external fixation system includes a frame assembly comprising a plurality of pins designed to be coupled to various portions of a fractured bone. The external sections of the pins are fixated to a variety of different coupling devices designed to attach to a series of connecting bars along the length of the fractured bone. A plurality of connecting members interconnect the connecting bars thereby securing the pins and thus the bone sections to aid in proper healing of the fracture(s).
Owner:PICKENS TYRONE SAM
Device for the dynamic stabilization of bones
InactiveUS20070123865A1Maximum flexibilityOvercome the small stiffnessInternal osteosythesisJoint implantsBone fragmentBiomedical engineering
Owner:DEPUY SYNTHES PROD INC
Bone fixation system
Disclosed is a bone fixation device of the type useful for connecting soft tissue or tendon to bone or for connecting two or more bones or bone fragments together. The device comprises an elongate body having a distal anchor thereon. A proximal anchor is axially movably disposed with respect to the distal anchor, to accommodate different bone dimensions and permit appropriate tensioning of the fixation device. In one embodiment, the fixation device is optimized for construction from a biocompatible metal such as titanium, and the proximal anchor is removable to permit removal of the fixation device.
Owner:DEPUY SYNTHES PROD INC
Method and apparatus for spinal fusion
Disclosed is a bone fracture fixation device, such as for reducing and compressing fractures in the proximal femur. The fixation device includes an elongate body with a helical cancellous bone anchor on a distal end. An axially moveable proximal anchor is carried by the proximal end of the fixation device. The device is rotated into position across the fracture or separation between adjacent bones and into the adjacent bone or bone fragment, and the proximal anchor is distally advanced to apply secondary compression and lock the device into place. The device may also be used for soft tissue attachments.
Owner:INTERVENTIONAL SPINE
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