| Entries |
| Document | Title | Date |
|---|
| 20090012525 | DEVICES AND SYSTEMS FOR DELIVERING BONE FILL MATERIAL - 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 introducer having a working end at a distal end of the introducer, the working end positionable within the bone and having at least one outlet opening configured to allow a bone fill material flow therethrough. An insulative coating is disposed on an external surface of the introducer, the coating being lubricious and configured to inhibit scratching of said external surface. One system for delivering a bone fill material to a bone includes such a device, a thermal energy emitter operably coupled to the introducer to apply energy to the bone fill material flowing through a channel of the introducer, and a controller in communication with the thermal energy emitter to control the operation of the thermal energy emitter. | 01-08-2009 |
| 20090018546 | METHODS AND APPARATUS FOR DETERMINING PIN PLACEMENT DURING HIP SURGERY - New apparatuses and methods for their design and use are disclosed that can be used to assist a surgeon in placing a guide pin during hip surgery. Specifically, a hip surgery method is disclosed in which an image of a patient's femur can be obtained and used to design and prepare a mold that contains an aperture for guiding a drill at the desired location and angle. During surgery the mold can be quickly and accurately positioned on the exposed femur head. Then, a drill bit can be inserted through the aperture and an opening for a pin can be drilled into the femur head. The mold can have a unique contoured surface adapted to fit to the femur head in a single unique position such that the opening is made in a unique desired position. The apparatuses and methods facilitate faster, more accurate surgery and are less invasive. | 01-15-2009 |
| 20090069815 | Method and composition for use in reinforcing bone - The invention provides a method and a kit for administering bone cement to the interior cavity of a bony member to enhance bone strength, stabilizing an existing fracture thus reducing susceptibility of the bone to further fracture and/or collapse. The method and kit may include additional components, such as, bone growth enhancing agents, radiopaque components or the like. | 03-12-2009 |
| 20090105711 | Cannula with lateral access and directional exit port - The present invention generally provides a cannula system that is readily maneuverable in an operating room setting, can be used to expose different instrumentalities to a target site, and has directional capabilities to allow the user to treat multiple quadrants or areas of a target site. The present invention provides cannula systems including these different instrumentalities as well as methods of operating these cannula systems and methods of treating orthopedic conditions using these cannula systems. | 04-23-2009 |
| 20090131945 | CLOSED VERTEBROPLASTY BONE CEMENT INJECTION SYSTEM - Methods and devices for augmenting bone, such as in performing vertebroplasty are disclosed. A bone cement injection needle is provided, having a laterally deflectable distal end. Systems are also disclosed, including the steerable injection needle, introducer and stylet. The system may additionally include a cement delivery gun, one-time use disposable cement cartridges and a cement mixing chamber. Methods are also disclosed. | 05-21-2009 |
| 20090131946 | Devices and Methods for the Restoration of a Spinal Disc - A system and method is provided for maintaining a proper intervertebral disc height during the replacement or augmentation of the spinal disc. In one embodiment, a cannulated distractor is used to distract the adjacent vertebrae and maintain a proper disc space height. The cannulated distractor is fluidly connected to a source of fluent material for injection into the disc space. The distraction includes a distraction tip resident within the disc space that includes a central lumen and a number of openings communicating with the lumen to dispense the fluent material within the disc space. | 05-21-2009 |
| 20090292289 | Systems and methods for injecting flowable materials into bones - Systems and methods provide greater control over the placement of cement and other flowable liquids into bone. | 11-26-2009 |
| 20090299373 | KYPHOPLASTY BANDED BALLOON CATHETER - A balloon catheter for insertion into a vertebral body is provided. The balloon catheter includes a shaft having a proximal end and a distal end. A lumen extends through the shaft along a longitudinal axis. An inflatable balloon having an uninflated configuration and an inflated configuration is disposed near the distal end of the shaft. The balloon has a proximal portion and a distal portion and an interior and an exterior. The lumen is in fluid communication with the interior of the balloon. An expandable band is wrapped around a section of the exterior of the balloon in a generally proximal-distal direction. The balloon catheter is configured to be positioned within the vertebral body such that the expandable band is configured to prevent leakage of a bone-filling material in a generally lateral direction relative to a vertebral body and facilitate adhesion of the bone-filling material within the vertebral body. | 12-03-2009 |
| 20100160921 | CANCELLOUS BONE DISPLACEMENT SYSTEM AND METHODS OF USE - A bone displacement assembly for use during a medical procedure including preparing soft bone includes a cannula and a probe that is removably inserted into the cannula. The probe includes a curved tip designed to mechanically displace soft bone and to prepare the bone tissue for subsequent treatment such as cement injection. The probe also includes a handle assembly that connects with the cannula and also includes one control device for independently rotating the distal tip and a second control device to independently translate the distal tip. | 06-24-2010 |
| 20100160922 | TWO-PART BONE CEMENT COMPOSITE CONTAINING PARTICLES IN A NON-UNIFORM SPATIAL DISTRIBUTION AND DEVICES FOR IMPLEMENTATION - One embodiment of the invention comprises a differential composite in which bone cement everywhere or substantially everywhere contains at least some non-zero volume fraction of particles, and in which the local volume fraction of particles may vary from place to place in the composite in a controlled manner. The variation may be by identifiable region or may be in the form of a gradient of the local volume fraction of particles. In at least some places, the local volume fraction of particles may be such that the particles act as crack arrestors. Close to the interface with natural bone, the local volume fraction of particles may be greater. In at least some places adjoining natural bone, the local volume fraction of particles may be such as to allow bone ingrowth into appropriate region(s) of the composite, resulting in improved interfacial shear strength. Methods and apparatuses for producing and delivering the composite are also disclosed, which may include use of an introducer and an expandable basket-type device. | 06-24-2010 |
| 20100174288 | Methods for Limiting the Movement of Material Introduced Between Layers of Spinal Tissue - Methods for limiting the movement of flowable material introduced into or between tissue layers of the human spine. The method can include inserting a member between tissue layers of the human spine. The member has a first configuration for insertion of the elongated member between tissue layers. The shape of the member is changed into a second configuration that defines a barrier that limits or directs the movement of flowable material. Flowable material is introduced to a selected location between the tissue layers and the barrier acts to limit or direct the movement of the flowable material. | 07-08-2010 |
| 20100249793 | BONE TREATMENT SYSTEMS AND METHODS - Systems and methods for treating vertebral compression fractures are provided. A kit can include at least one body containing a bone cement precursor to be mixed with at least one other bone cement precursor to form a bone cement. The body or a package containing the body can include at least one sensor. In some embodiments the sensor can be a temperature sensor. In some methods, data from the sensor can be used to determine certain parameters related to a treatment interval involving the bone cement. | 09-30-2010 |
| 20100324564 | PARTICLES, GRAINS OR GRANULES FOR THE TREATMENT OF AN INJURED VERTEBRA - A method is provided for treatment of a condition including at least one weakened vertebra or one compression fracture of a vertebra, wherein in at least one embodiment, the vertebra is injected by vertebroplasty or kyphoplasty with particles, grains or granules or a mixture thereof, or an implant suspension including at least one resorbable fluid vehicle and particles, grains or granules or a mixture thereof, wherein the particles, grains or granules individually have a mean length from one side to the opposite side, through a geometrical centre, of up to 5 mm. Moreover, at least one embodiment of the present invention also provides use of the particular or granular material disclosed above, for the manufacture of a medicament for the vertebroplastic treatment or kyphoplastic treatment of a condition including at least one weakened vertebra or one compression fracture of a vertebra. Finally, at least one embodiment of the present invention provides the particular or granular material disclosed above, for the vertebroplastic treatment or kyphoplastic treatment of a condition including at least one weakened vertebra or one compression fracture of a vertebra, such as a condition like osteoporosis. | 12-23-2010 |
| 20110004218 | Process for the preparation of NACRE mechano-structured by mechanosynthesis, mechano-structured NACRE thus obtained and uses thereof - The present invention relates to a method for the preparation of mechano-structured nacre by mechanosynthesis of micrometric nacre powder, characterized in that the temperature of the nacre is kept below 40° C. It also relates to the mechano-structured nacre and to uses thereof, in particular on implants and bone substitute pieces on which the mechano-structured nacre is deposited. | 01-06-2011 |
| 20110054480 | Internal Bone Fixation System with Integrated Mixer - Systems and methods for repairing a weakened or fractured bone are disclosed herein. A system for repairing a fractured bone includes a delivery catheter having an elongated shaft with a proximal end, a distal end, and a longitudinal axis therebetween, wherein the delivery catheter has an inner void for passage of bone cement components and an inner lumen for passage of a mixing element; an internal bone fixation device releasably engaging the distal end of the delivery catheter, wherein the internal bone fixation device moves from a first compact state to a second expanded state when the bone cement components are delivered to the internal bone fixation device and mixed within the internal bone fixation device; and a spinning mechanism engaged to a rotatable shaft, wherein the spinning mechanism is inserted into the internal bone fixation device. | 03-03-2011 |
| 20110125156 | METHOD FOR TREATING JOINT PAIN AND ASSOCIATED INSTRUMENTS - The embodiments provide provides devices, instruments, and associated methods for treating joint pain. A joint is evaluated using magnetic resonance imaging to detect any defects in the subchondral bone. For example, using T2-weighted MRI images, bone marrow lesions or edemas can be identified, and using T1-weighted MRI images, associated regions of sclerotic bone adjacent to the bone marrow lesion can be identified. The treatment method may involve introducing a bone void filler material at the site to address the bone marrow lesion or edema, and/or drilling and inserting an implant to address the sclerotic bone, bone marrow lesion or edema, and insufficiency or stress fractures. An access path is mapped to a location in the subchondral region where the insufficiency fracture resides. The access path attempts to preserve an articular surface of the joint. A reinforcing member that stabilizes the insufficiency fracture is then implanted via the access path. | 05-26-2011 |
| 20110125157 | SUBCHONDRAL TREATMENT OF JOINT PAIN - The embodiments provide devices and methods that both strengthen the bone and stimulate the bone. Bone fractures or non-unions are stabilized, integrated or healed, which results in reduction of a bone defect, such as a bone marrow lesion or edema. In addition, the distribution of forces in a joint are restored or altered to relieve pain. In general, a joint is evaluated by taking an image of the joint and one or more subchondral defects are detected. At least one of the subchondral defects may be diagnosed as the source of pain and an extent of treatment for the subchondral defect is determined. The disclosed devices and techniques are particularly suited for treating chronic defects or injuries, where the patient's natural healing response has not resolved the defect. The present disclosure also provides several exemplary treatment modalities for the different extents of treatment needed. | 05-26-2011 |
| 20110130764 | FACET JOINT AUGMENTATION WITH HYDROGELS - The present invention provides a system and method for the augmentation of a degenerated facet joint. A low modulus filler material is injected into the joint capsule in a minimally invasive way through the lamina and the superior facet articulation surface, while leaving the facet capsule and the inferior facet articulation surface completely intact, to thereby alleviate pressure on the articulating bone surfaces. | 06-02-2011 |
| 20110137317 | Methods and Apparatus For Treating Vertebral Fractures - Methods and apparatus for treating bones, including, in one or more embodiments, methods and apparatus for treatment of vertebral fractures that include an inflation device for cavity creation and an inflation and containment device for maintaining vertebral height and cement containment. Methods for treating a bone comprising: creating a cavity in the bone; inflating a containment jacket in the cavity; inflating a balloon within the containment jacket so that the balloon occupies a first portion of the containment jacket; introducing a first filler material into a second portion of the containment jacket, wherein the second portion of the containment jacket is not occupied by the balloon; removing the balloon from the containment jacket; and introducing a second filler material into the first portion of the containment jacket. | 06-09-2011 |
| 20110190776 | INTEROSTEAL AND INTRAMEDULLARY IMPLANTS AND METHOD OF IMPLANTING SAME - The present invention relates to an expandable metal balloon that may be used for the treatment of diseased or injured bone tissues, and a method of using the same. The metal balloon is inserted into the interior space of a cancellous bone tissue, and is filled with a suitable material to provide internal structural support to the bone. | 08-04-2011 |
| 20110202062 | Methods and Apparatus For Treating Vertebral Fractures - Methods and apparatus for treating bones, including, in one or more embodiments, methods and apparatus for treatment of vertebral fractures that include a containment assembly for cement containment and/or a balloon assembly for maintaining vertebral height. Methods for treating a bone comprising: inserting a cannula having an inner lumen into the bone; creating a cavity in the bone; providing a containment assembly, wherein the containment assembly may comprise a tubular member having a proximal end and a distal end, a containment jacket disposed on the distal end of the tubular member, and a guide wire disposed through the tubular member with the guide extending into the containment jacket; inserting the containment jacket through the inner lumen of the cannula and into the cavity; and introducing a filler material into the containment jacket. | 08-18-2011 |
| 20120041444 | ORTHOPEDIC SURGERIES - The present invention relates to the use of composite materials that can be prepared and delivered to an implant area. The composite materials may be a biocomposite remodeling bone cement (BRBC) material. In one embodiment of the invention the material is introduced in an interface between a first bone and a first joint implant component. | 02-16-2012 |
| 20120089148 | Apparatus and method for forming an antibiotic impregnated bone cement intramedullary nail - A method and apparatus for forming any size antibiotic impregnated bone cement (AIBC) intramedullary (IM) nail. The cement nail is formed around a base support or base IM nail. The apparatus includes a molded plastic tube device to form the shape of the cement IM nail and plastic spacers which position the molded plastic tube around the base support or base IM nail for formation of the cement nail. The AIBC material may be any of the known antibiotic loaded/impregnated bone cements that are commercially available. | 04-12-2012 |
| 20120109139 | REDUCED EXTRAVASATION OF BONE CEMENT - The risk of bone cement extravasation can be reduced by delivering a calcium-dependent polymerizing sealant into a bone structure prior to delivery of bone cement into that structure. The polymerization of the sealant in response to the calcium within the bone structure can fill cracks and any other potential cement leakage paths, thereby minimizing the potential for subsequent extravasation. The benefits of the use of a calcium-dependent polymerizing sealant can be provided in any procedure involving the use of bone cement, such as spinal fixation, vertebroplasty, and kyphoplasty, among others. | 05-03-2012 |
| 20120136362 | Framework for expanding bone - Provided is a bone expanding framework, which can secures complete reduction of a compressed bone tissue because elevation of the bone tissue is increased by a desired height without shrinking through a characteristic in which a spiral leaf spring having superelasticity is self-set in bone. The framework for expanding bone includes a spiral leaf spring which has a shape in which a thin and long band formed of a metal material is wound in a spiral shape, is inserted into the bone, and is expanded in the bone to reduce elevation of the compressed bone. | 05-31-2012 |
| 20120158003 | METHOD OF SUPPORTING AND DISTRACTING OPPOSING VERTEBRAL BODIES - An apparatus and method is provided for distracting, in a given direction, and supporting opposing vertebral bodies. A plurality of wafers are consecutively inserted between the vertebral bodies to create a column of wafers. The column of wafers is oriented between the vertebral bodies so as to expand in the given direction as the wafers are consecutively added to the column. | 06-21-2012 |
| 20120203235 | Device and Method for Bone Cement Removal - A ribbon device and method of using the same can be employed to remove extravagated bone cement during an implantation procedure while minimizing or eliminating the use of mechanical force, heat, or potentially injurious chemical removal agents. The ribbon device bonds chemically or mechanically with substantially unset extravagated bone cement, resulting in removal of the extravagated bone cement when the device is used according to the methods of this invention. The ribbon device is formed of biocompatible mesh or weave materials tending to bond with bone cement chemically or mechanically, such as surgical grade fabrics, surgical tape, or mersilene tape. The ribbon device and method of its use can be used in conjunction with implants including tibial and femoral implants. | 08-09-2012 |
| 20120277753 | SYSTEMS AND METHODS FOR VERTEBRAL OR OTHER BONE STRUCTURE HEIGHT RESTORATION AND STABILIZATION - A method for stabilizing fractured bone structure having a fractured height includes expanding the bone structure to a restored height greater than the fractured height by transitioning an expandable member inserted into the bone structure from a contracted state to an expanded state. A curable material is delivered into a cavity formed in the bone structure and allowed to harden while the expandable member maintains the bone structure at the restored height. The expandable member is then removed from the bone structure. | 11-01-2012 |
| 20130006256 | Vertebral Body Nerve and Vein Cauterizing System and Method - Disclosed are vertebroplasty methods that include cauterizing an inner cavity of a vertebra of a mammal, such as a human, and injecting bone cement into the vertebra. Systems and kits for performing such methods are also disclosed. | 01-03-2013 |
| 20130066324 | HYDRAULIC CEMENTS, METHODS AND PRODUCTS - A hydraulic cement composition comprises a mixture of (a) a cement powder composition which is soluble or partly soluble in water, (b) a non-aqueous water-miscible liquid, and (c) an aqueous hydration liquid. Methods of producing a hardened cement, hardened cements, kits, and articles of manufacture employ such compositions. | 03-14-2013 |
| 20130066325 | HYDRAULIC CEMENTS WITH OPTIMIZED GRAIN SIZE DISTRIBUTION, METHODS, ARTICLES AND KITS - A non-aqueous hydraulic cement composition comprises a non-aqueous mixture of (a) β-tricalcium phosphate powder, (b) monocalcium phosphate powder, and (c) non-aqueous water-miscible liquid, wherein (i) at least about 90% of the monocalcium phosphate powder has a grain size in a range of about 200-600 μm and the powder (weight) to liquid (volume) ratio is about 2.5-5.5, (ii) at least about 90% of the monocalcium phosphate powder has a grain size in a range of about 1-400 μm and the powder (weight) to liquid (volume) ratio is about 2-5, or (iii) at least about 90% of the monocalcium phosphate powder has a grain size in a range of about 1-600 μm and the powder (weight) to liquid (volume) ratio is about 2.5-5.5. Methods, hardened cements, articles of manufacture and kits employ such compositions. | 03-14-2013 |
| 20130226187 | DEVICES AND METHODS FOR INJECTING FLUID INTO THE BODY - Devices are provided for injecting fluid into the body. One such device includes an elongated, hollow cannula having a proximal end portion, a distal end portion, a shaft portion between the proximal and distal end portions, and a fluid flow lumen extending through the shaft portion between the proximal and distal end portions. The distal end portion is flexible and pre-disposed to assume a curved configuration having a radially inner side and a radially outer side. The radially inner side includes at least one aperture to direct fluid flowing from the lumen in a radially inward direction. The device may include an introducer member and/or a guide member for introducing the cannula to a treatment site. Methods of injecting fluid into the body are also provided. | 08-29-2013 |
| 20130325023 | Methods and Devices for Anchoring a Graft to Bone - Methods and devices are provided for anchoring graft to bone. In one exemplary embodiment, a bone cavity is created in bone, a graft is partially advanced into the bone cavity, and a hardenable filler material is inserted into the cavity. The hardenable filler material can change from a viscous first state to a harder second state, compressing the graft against the walls of the bone cavity and thereby anchoring the graft within the cavity. The hardenable filler material can be inserted in an open sac, a closed sac, other carriers or housings, or directly into the bone cavity. | 12-05-2013 |
| 20140343560 | DEVICE AND METHOD FOR THE IN-SITU PRODUCTION OF ARTICULATED SPACERS - Devices and methods in-situ produce articular spacers from a bone cement. The devices and methods have a punch surface for forming an articulation surface of a spacer in the bone cement, whereby the bone cement is arranged on a bone surface for fixation of the spacer, whereby the punch surface has a negative image of the articulation surface to be produced, and the surface forming the negative image is open on the side, at least in part, such that the bone cement can be pushed towards the side, away from the articulation surface to be formed. Moreover, the method for producing an articular spacer on a bone may have one or more of the following steps: A) Applying a bone cement to a prepared bone; B) Pressing said device onto the bone cement; and C) Detaching the device from the cured bone cement. | 11-20-2014 |
| 20150112351 | DEVICE FOR BONE FIXATION - The present invention provides a device for bone fixation that includes: an expanding unit and an enclosing unit. The expanding unit includes two or more expanding structures capable of switching between an expanded state and a contracted state. The expanding unit includes a first expanding structure located near a first end thereof and a second expanding structure located near a second end thereof. The enclosing unit encloses the expanding unit and has a first end and a second end. The first end of the enclosing unit is secured at the first end of the expanding unit, and the second end of the enclosing unit is secured at the second end of the expanding unit. When the device for bone fixation is placed inside a bone, the expanding structures of the expanding unit are switched to the expanding state and thereby propping up the enclosing unit. | 04-23-2015 |
| 20150313660 | DOUBLE THREADED GUIDANCE OR STIFFENING WIRE FOR MULTIPLE USE VERTEBRAL AUGMENTATION (VA) BALLOON - A catheter device that includes a double-threaded guidance wire that allows multiple use of a compliant cavity creation device (i.e., treatment of more than one level). The double-threaded guidance wire may be connected with the luer part of the device and a distal part of the balloon using a threaded engagement to avoid lengthening of the inner tube, avoid lengthening of the balloon, and to limit the plastic deformation of the system in axial direction. In other implementations, the double-threaded guidance wire may be reconnected to the distal part of the balloon with a distal thread of the double-threaded guidance wire in order to restore the nominal length. | 11-05-2015 |
| 20160066972 | BONE CEMENT REMOVAL USING REAL-TIME ACOUSTIC FEEDBACK - Systems and methods for bone cement removal using real-time acoustic feedback, such as during a drilling process in a revision arthroplasty, are discussed. A system for bone cement removal may include a processor to perform operation comprising receiving digital frequency data from the microphone, comparing at least a portion of the digital frequency data to a plurality of frequency signatures, and determining, based at least in part on the comparing, whether the portion of the digital frequency data is representative of a cut bone frequency or a cut bone cement frequency. | 03-10-2016 |
| 20160106489 | BONE TREATMENT SYSTEMS AND METHODS - Systems and methods for treating vertebral compression fractures are provided. A kit can include at least one body containing a bone cement precursor to be mixed with at least one other bone cement precursor to form a bone cement. The body or a package containing the body can include at least one sensor. In some embodiments the sensor can be a temperature sensor. In some methods, data from the sensor can be used to determine certain parameters related to a treatment interval involving the bone cement. | 04-21-2016 |
| 20160374741 | BONE CEMENT MIXING CARTRIDGE AND METHOD OF USE - A container for bone cement includes a first member defining a chamber, which contains a first ingredient. The chamber also includes a second member movably coupled to the first member. The second member includes a mixing device that is movably disposed within the first chamber, and the second member defines a second chamber containing a second ingredient. The container additional includes an opening device that selectively opens the second chamber and allows the second ingredient to enter from the second chamber into the first chamber. The mixing device is movable within the first chamber to promote mixing of the first ingredient and the second ingredient to prepare the bone cement. A corresponding method of preparing bone cement also disclosed. | 12-29-2016 |
