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89 results about "Bone splinters" patented technology
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Bone splinters are just that, pieces of jaw bone that have splintered during extractions. They either eventually work their way out or reabsorb.
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
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
Apparatus and method to access bone marrow
An apparatus and method for penetrating bone marrow is provided. The apparatus may include a housing such as a handheld body, a penetrator assembly, a connector that releasably attaches the penetrator assembly to a drill shaft, a gear mechanism, a motor and a power supply and associated circuitry operable to power the motor. The penetrator assembly may include a removable inner trocar and an outer penetrator or needle. It may also include a grooved trocar that allows bone chips to be expelled as the apparatus is inserted into bone marrow. Various connectors are provided to attach the penetrator assembly to the drill shaft.
Owner:TELEFLEX LIFE SCI LTD
Apparatus and method for harvesting bone marrow
InactiveUS20070055282A1Minimally invasivePromote bone healingSurgical needlesVaccination/ovulation diagnosticsBone tissueBone splinters
A minimally invasive apparatus and method for harvesting bone marrow cells, blood, and bone fragments includes a rigid cannula having a proximal end and a distal end with an opening. The distal end includes a cutting tip that is movable axially and radially to cut and disrupt bone tissue while preserving necessary viability among harvested marrow cells. The cannula further includes an inner surface defining an internal passage that extends from the opening toward the proximal end. Suction is applied to the passage to draw disrupted bone marrow cells, blood, and bone fragments into the internal passage for collection. The apparatus may include a rotatable shaft disposed co-axially within the internal passage. The shaft has a distal end with a cutting bit for further cutting and disrupting of bone tissue, and a lumen for supplying bone cement to the cutting bit to promote bone growth and healing within the bone.
Owner:THE CLEVELAND CLINIC FOUND
Fastener implant for osteosynthesis of fragments of a first metatarsal bone that is broken or osteotomized in its proximal portion and a corresponding osteosynthesis method
InactiveUS20060015102A1Easy to put into placeEasy to position properlyInternal osteosythesisJoint implantsPlantar surfaceBone splinters
The invention provides a fastener implant for osteosynthesis of fragments of the first metatarsal bone in its proximal portion situated towards the tarsal bone, the implant comprising at least a fastener element for fastening via a fastener face on or against the outside surface of the first metatarsal bone in order to hold the bone fragments together, wherein said fastener face includes at least one anatomical surface portion of shape that is substantially complementary to the shape of the plantar surface of the proximal portion of the first metatarsal bone.
Owner:NEWDEAL
Osteosynthesis clip and insertion tool for inserting an osteosynthesis clip into bone tissue fragments
ActiveUS20050273108A1Easy to cutReduce miningInternal osteosythesisJoint implantsBone tissueBone splinters
Owner:MEDICREA INT SA
Sleeve for bone fixation device
Disclosed is a bone fixation device of the type useful for connecting two or more bones or bone fragments together or connecting soft tissue or tendon to bone. 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. A sleeve can surround at least a portion of the bone fixation device to promote bone in-growth with or at the bone joint or fracture to facilitate fusion of the bone segment.
Owner:DEPUY SYNTHES PROD INC
Multipiece bone implant
InactiveUS20060241763A1Easy to implantRestore disc height and natural curvature of spineJoint implantsSpinal implantsBone splintersBone implant
An implant comprising two or more bone fragments that are combined to form a single unit. Cancellous bone or cortical bone is removed from a source and fashioned into bone components with desirable shapes and sizes. The bone components may be integrated to form implants for implantation in the body. Bone stock may be formed by combining sections of various bones of the body, and the bone stock may be further fashioned for use as implants with particular geometries.
Owner:DEPUY SYNTHES PROD INC
Bone bridge providing dynamic compression on bone fractures
An orthopedic bone bridge, suitable for internally fixating and stabilizing fractured bones. The bone bridge includes: first and second bone plates for attachment to bone fragments by bone screws or the like on opposite sides of a bone fracture, a pair elongate parallel hollow legs on which the plates are mounted and the second plate is slidably engaged and is moveable with respect to the first plate, and an elastic cable or microcable attached to the first plate and extending down through the legs and around said second plate. The elastic cable is configured to provide a controlled tensile force between the plates when they are pulled into a longitudinally spaced apart position with the bone bridge then applying a correspondingly compressive force onto the bone fracture when the plates are secured to bone fragments on opposite sides of a bone fracture.
Owner:KINAMED
Curved assembly for reattachment of fragmented bone segments
InactiveUS8343197B2Avoid spreadingImprove mechanical propertiesSuture equipmentsDiagnosticsBone splintersIliac screw
Owner:TOBY ORTHOPAEDICS
Implants formed of coupled bone
Owner:SYNTHES USA
Headless compression screw with integrated reduction-compression instrument
ActiveUS20060025773A1Avoid interactionImprove stabilitySuture equipmentsLigamentsEngineeringScrew thread
A bone screw is provided having first and second threaded portions of different diameter separated by a middle portion that is unthreaded so that the bone screw may be inserted into a pair of adjacent bone fragments and used to compress the fragments together by driving the screw into a hole drilled in the fragments. An installation tool is also disclosed for threadably engaging one end of the bone screw and is used to initially drive the screw into the bone hole. Thereafter, a screwdriver may be inserted through the tool and into engagement with a recess in the bone screw and may be used to drive the screw fully into the bone and to separate the bone screw from the installation tool. A method of installation is further provided.
Owner:SYNTHES GMBH
Modular and non-modular cortical buttress device
A fixation device serves in facilitating reduction and repair of a fractured bone such as a clavicle or a pelvis. The fixation device includes a bone plate adapted to overlie and contact bone fragments of a fractured bone. The bone plate can include tines extending outwardly from the edge thereof to contact the exterior of and support the bone fragments.
Owner:TOBY ORTHOPAEDICS
Collapsible bone screw apparatus
ActiveUS20100036440A1Shorten the lengthSuture equipmentsInternal osteosythesisEngineeringIliac screw
A collapsible bone screw for healing bone fragments across a bone fracture includes an externally threaded inner screw member and an externally threaded outer screw member. The inner screw member is initially screwed into an inner bone portion. An unthreaded portion of the outer screw member is movably joined to the inner screw member. The outer screw member is screwed until it gains purchase in an outer bone portion. As impaction occurs over time, the collapsible bone screw apparatus may shorten in length as the two screw members slide, telescope or otherwise axially move toward each other to shorten the overall length, thereby preventing any portion of the screw apparatus from protruding out of the bone. A bone screw kit of multiple inner and outer screw members are provided as well as a method of surgically fastening bone fragments.
Owner:ARCH DAY DESIGN
Fracture fixation device having clip for stabilizing intramedullary nail
Fracture fixation devices and methods achieve stabilization of a bone fragment. A nail section of the device is dimensioned to be positioned within an intramedullary canal of a bone such that the nail section spans a fracture site in the bone. The nail section bends into a post-insertion configuration different from a pre-insertion configuration when inserted into the intramedullary canal. The nail fastening section is connected to the nail section by a connecting element on a first side of the fracture site. At least a portion of the nail fastening section is positioned outside the bone. A first end of the nail section and a second end of the nail fastening section are positioned on an opposite second side of the fracture site when the fracture fixation device is implanted in the bone.
Owner:THE GENERAL HOSPITAL CORP
Repositioning and fixation system for bone fragments
ActiveUS20100179552A1Convenient distanceIncrease widthJoint implantsBone platesBone splintersBone fragment
The repositioning and fixation system according to the invention comprises at least two bone plates that are designed to be interconnected. Each bone plate is provided with a connector element for connection to another bone plate. The connector element of a first bone plate comprises a plurality of projections. The connector element of a second bone plate comprises an opening. In a first connection state, the projections engage in the opening and produce a hinge-type connection between the first bone plate and the second bone plate. In a second connection state, the projections are tensioned and produce a rigid connection between the first bone plate and the second bone plate. With the repositioning and fixation system according to the invention, bone fragments secured to the bone plates can be repositioned by pivoting of the bone plates. Once the bone fragments have been brought to their final position, the projections can be tensioned in such a way that the bone plates are rigidly interconnected.
Owner:WOLTER DIETMAR
Orthopaedic stem with protrusion and associated surgical procedure
ActiveUS20080177393A1Reducing the bone fragments onto the humerusPromote bone fracture healing and unionJoint implantsKnee jointsJoint arthroplastyProsthesis
A first articulating member for use with a second articulating member to form a prosthesis for use in joint arthroplasty for a joint formed between adjacent first and second bones in which a bone fragment having an exterior surface has separated from the first bone is provided. The first articulating member includes an articulating portion having an articulation surface for articulation with the second articulating member and an attaching portion connected to the articulating portion for attachment to the first bone. The first articulating member also includes a fragment portion connected to at least one of the articulating portion and the insertion portion. The fragment portion includes a surface for contact with the external periphery of the bone fragment.
Owner:DEPUY PROD INC
Modular spherical hollow reamer assembly for medical applications
ActiveUS20080195106A1Reduce cutting pressureReduce in quantityOsteosynthesis devicesReamerBone cement
An easy-to-assemble, disposable spherical hollow reamer for medical applications includes a shaft portion, a disposable spherical hollow reamer and a central conical plate. The shaft portion has a proximal end for attachment to a drill, a central conical element and a distal precision threaded screw end. The spherical hollow reamer has plurality of cutters and apertures that extend through its thickness. The spherical hollow reamer has a precision threaded aperture that engages with the threaded end of the reusable shaft precisely aligning the centerline of the shaft with that of the spherical hollow reamer, providing wobble free reaming action. The central conical plate in combination with the interior surface of the spherical hollow reamer forms an enclosed space for capturing bone fragment and bone cement debris.
Owner:LRS SCI & TECH LLC
Surgical technique and apparatus for proximal humeral fracture repair
InactiveUS20110046625A1Prevent rotationMinimal damageInternal osteosythesisJoint implantsHumeral fractureLesser Tuberosity
A method and apparatus of reattaching a bone fragment to a proximal humerus of a humerus in a shoulder joint. The method includes introducing a distal end of the humeral nail into a medullary canal of the humerus. A first proximal screw is engaged with the bone fragment and a first proximal bore in the proximal end of the humeral nail to move the bone fragment toward the proximal humerus. The humeral nail and the attached bone fragment are rotated relative to the medullary canal of the humerus to position the bone fragment to an anatomically optimal location. The bone fragment is preferably one of a greater or lesser tuberosity of the proximal humerus. The method and apparatus can be used to reattach bone fragments in a variety of other joints.
Owner:TORNIER SA SAINT ISMIER
Virtual 3D overlay as reduction aid for complex fractures
A method and device for assisting reduction for complex fractures includes the steps of receiving an x-ray image of a fractured bone having a plurality of bone fragments, identifying structural aspects of at least one of the bone fragments, adapting a virtual bone model to the imaged bone based on the identified structural aspects, and generating an overlay of the virtual bone model onto the x-ray image, with the virtual bone model aligned to the identified structural aspects. The device is adapted to perform the method.
Owner:STRYKER EURO OPERATIONS HLDG LLC
Clip-Like Implant for Osteosynthesis
InactiveUS20090062800A1Reduced dimensionSimplify surgical proceduresSuture equipmentsDiagnosticsBone splintersEngineering
The invention relates to a clip-like implant for osteosynthesis of at least two repositioned bone fragments, with at least two retainer web sections and with one connection web section connecting the retainer web sections, wherein the free ends of the at least two retainer web sections can be at least partially fixed in a respective one of the two repositioned bone fragments. Advantageously the clip-like implant has a C-shaped cross section, in which the first and second retainer web sections each enclose with the connection web section an angle (w, w′) between 75° and 90°, and the free ends of the at least two retainer web sections are designed as inwardly directed points.
Owner:SHANO MAJID
Device at fixing means for fixation of bone fragments at bone fractures
InactiveUS7029476B2Easy to fixReduce the possibilitySuture equipmentsInternal osteosythesisThighBone splinters
The present invention relates to a device at fixing means for fixation of bone fragments at bone fractures, wherein the fixing means (1) preferably is a spike for thigh-bone necks for fixation of bone fragments (2.3) at fractures (4) of the thigh-bone neck. The fixing means (1) comprises a sleeve (5) and a pin (7) provided therein. The pin (7) includes a front part (7a) which is directed obliquely forward relative to a rear part (7e) thereof and towards front parts (9a) of a second wall surface (9) close to a guide surface (12) of the sleeve (5) when the pin (7) is located in a ready position (B) in said sleeve (5).
Owner:HANSSON HENRIK
Method to detect bone fragments during the processing of meat or fish
InactiveUS7460227B1Improve accuracyHigh sensitivityRaman/scattering spectroscopyRadiation pyrometryLength waveFluorescent light
Bones, bone fragments, and shell fragments on or near the surface of processed animal flesh may be detected by detecting their fluorescent emissions. The surface of the flesh is illuminated with UV or visible light to elicit fluorescence of animal bones or shells, and the fluorescent light emissions are measured at first and second different wavelengths, which wavelengths are selected to yield a substantial difference between the ratio or subtractive difference for bones or shells and the ratio or subtractive difference for animal flesh. The ratio and / or subtractive difference of the fluorescent light emissions at the first and second wavelengths is calculated, and the presence of bone, bone fragment, or shell fragment is determined therefrom.
Owner:US SEC AGRI
Low cost modular tapered hollow reamer for medical applications
An easy-to-assemble modular reamer for medical applications includes a shaft portion, a disposable tapered hollow reamer and a modular pilot. The shaft portion has a proximal end for attachment to a drill, two or more torque transmitting tabs and a distal threaded end. The disposable tapered hollow reamer has an integrally attached cutter sleeve with externally protruding cutters, apertures through the sleeve thickness for discharging bone fragments and cement debris and inwardly protruding anchoring projections. A central molded polymeric portion attaches to the anchoring projection and is fixed to the shaft through central holes and slots in the polymeric portion, which engage torque transmitting shaft tabs. Channels in the polymeric portion collect bone fragments and bone debris. A threaded modular pilot coaxially secures the disposable tapered hollow reamer to the threaded distal end of the shaft, permitting rotation of the tapered hollow reamer without wobbliness.
Owner:LRS SCI & TECH LLC
Orthopedic plate with modular peg and compression screw
ActiveUS10779867B2Easy to implantInternal osteosythesisAnkle jointsBone splintersOrthopedic department
Assemblies and methods for fixation of bone or bone fragments using an orthopedic plate, a modular peg, and a compression screw. The modular peg is screwed into one of the apertures of the orthopedic plate. The modular peg may include an aperture having screw threads designed to receive the threads of the compression screw and serve as an anchor for the compression screw. By rotating the compression screw in relation to the modular peg, the compression screw may advance through the aperture of the modular peg, drawing the head of the screw toward the modular peg, and compressing the bone or bone fragments.
Owner:EXTREMITY MEDICAL
Modular and non-modular cortical buttress device
A fixation device serves in facilitating reduction and repair of a fractured bone such as a clavicle or a pelvis. The fixation device includes a bone plate adapted to overlie and contact bone fragments of a fractured bone. The bone plate can include tines extending outwardly from the edge thereof to contact the exterior of and support the bone fragments.
Owner:TOBY ORTHOPAEDICS
Surgical intramedullary implant with improved locking for fixation of fractured bone segments
ActiveUS7141052B2Easy to fixEasy to insertInternal osteosythesisDiagnosticsBone splintersSurgical department
To set a fractured bone using an intramedullary nail having a hole for a proximal locking screw, the surgeon reams a primary cavity extending from a proximal area, across a fractured area, and into a distal area of the fractured bone, to a first diameter. An expanded cavity is also reamed in the proximal area of the fractured bone. The reamed primary and expanded cavities are aligned. The intramedullary nail is inserted so as to extend from the expanded cavity to a distal end of the primary cavity. With the intramedullary nail inserted, a bone fragment in the proximal area of the fractured bone, which covers the hole, is removed. The proximal locking screw is inserted through the uncovered hole and into the proximal area of the fractured bone without the use of a jig. The removed bone fragment is then secured back onto to the proximal area of the fractured bone from which it was removed, after insertion of the screw.
Owner:MANDERSON EASTON L
Osteosynthesis clip and insertion tool for inserting an osteosynthesis clip into bone tissue fragments
An osteosynthesis clip for the cicatrization of bone fragments, an improved insertion tool and method for inserting the improved clip and a surgical system implementing the improved clip and insertion tool are provided. The clip includes at least two engagement legs extending approximately parallelly to one another and including insertion tops; and a connecting bridge coupled to the at least two engagement legs at portions opposite the insertion portions, the connecting bridge including at least two elongated sections extending along side one another, the elongated sections extending along a non-linear trajectory to form a non-linear deformable region, such as a depression or a dome, wherein the engagement legs having respective helical screw surfaces extending substantially an entire distance between respective insertion and opposite portions to facilitate removal of the clip after the bone tissue fragments have fused. The improved clip may be made of any biocompatible material, including shape memory alloys, such as Nitinol. The insertion tool is improved to apply force at the bridging tips of either a stepped on a non stepped clip.
Owner:J·A·格鲁瓦索
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