Patent application number | Description | Published |
20080262630 | Drug-Impregnated Encasement - A drug-impregnated sleeve for encasing a medical implant is provided. In one embodiment, the sleeve may include a body made of a biologically-compatible material that defines an internal cavity configured to receive the medical implant. In one embodiment, the biologically-compatible material is bioresorbable. The body may include a plurality of apertures, such as perforations or holes, extending from the cavity through the body. The sleeve may further include a first end, a second end, and a drug impregnated into the resorbable sheet. In one possible embodiment, the first end of the sleeve may be open for receiving the medical implant therethrough and the second end may be closed. The implant may be encased in the sleeve and implanted into a patient from which the drug is dispensed in vivo over time to tissue surrounding the implantation site. In one embodiment, the body is made from at least one sheet of a biologically-compatible material, hi one embodiment, the sleeve may be made in least in part from caprolactone to add stretchability to the sleeve. | 10-23-2008 |
20080287950 | Intramedullary, Longitudinal Implant - A device for implantation in an intramedullary space of a bone via a curved insertion path, the device comprises a curved proximal portion extending along an arc substantially similar to an arc of the curved insertion path, the proximal portion including a coupling arrangement at a proximal end thereof adapted to couple to a tool for one of intramedullary implantation and explanation and a flexible distal portion extending from a distal end of the proximal portion, the distal portion extending substantially straight in an unstressed state and having flexibility sufficient to permit being along the arc of the insertion path substantially without permanent deformation. | 11-20-2008 |
20080306536 | DYNAMIC STABILIZATION SYSTEM - A dynamic bone fixation element for securing an elongated fixation element such as, a longitudinal rod or bone plate, to a patient's bone, preferably a vertebra. The dynamic bone fixation element preferably includes a bone fixation element and a flexible element for connecting the bone fixation element to the elongated fixation element. The flexible element preferably permits the elongated fixation element to move with respect to the bone fixation element and hence with respect to the bone affixed thereto. The flexible element preferably permits extension and/or compression of the elongated fixation element with respect to the bone fixation element and polyaxially movement of the elongated fixation element with respect to the bone fixation element. The flexible element is preferably in the form of a spring or a spring-like flexible element. | 12-11-2008 |
20090024218 | Intervertebral Implant - An intervertebral implant, specifically an artificial intervertebral disk, with a central axis, and an upper plate-shaped section, suitable for laying onto the base plate of a vertebral body lying on top, a lower plate-shaped section, suitable for laying onto the cover plate of a vertebral body lying below, wherein a central, plate-shaped section is arranged between the upper and the lower sections, a first circular-cylindrical rod with a longitudinal axle is arranged between the upper section and the central section, and a second circular-cylindrical rod with a longitudinal axle is arranged between the lower section and the central section. | 01-22-2009 |
20090157123 | DYNAMIC BONE FIXATION ELEMENT AND METHOD OF USING THE SAME - The present invention relates to dynamic bone fixation elements and a surgical method to stabilize bone or bone fragments. The dynamic bone fixation elements preferably include a bone engaging component and a load carrier engaging component. The bone engaging component preferably includes a plurality of threads for engaging a patient's bone and a lumen. The load carrier engaging component preferably includes a head portion for engaging a load carrier (e.g., bone plate) and a shaft portion. The shaft portion preferably at least partially extends into the lumen. Preferably at least a portion of an outer surface of the shaft portion is spaced away from at least a portion of an inner surface of the lumen via a gap so that the head portion can move with respect to the bone engaging component. The distal end of the shaft portion is preferably coupled to the lumen. | 06-18-2009 |
20090222049 | Device for Bone Fixation with at least one Through Hole - A device for bone fixation defining at least one through hole extending therethrough, the through hole including first and second through apertures separated from one another by a first resilient element deformable radially outward from the first aperture to expand the first aperture and contract the second aperture, the second aperture being sized and shaped to receive therein a bone fixation element, the second through aperture being smaller in size than the first through aperture, a periphery of the first through aperture comprising at least two substantially circular arcs B | 09-03-2009 |
20100063505 | BONE PLATE - A bone plate ( | 03-11-2010 |
20100137867 | Device for Osteosynthesis - The device for performing osteosynthesis includes a fixation element, such as a bone plate having a bottom surface designed to bear against the bone, a top surface, and at least one through hole extending from the bottom surface to the top surface, the though hole having a central axis and configured and dimensioned to receive a multiaxially pivotal insert or bushing for a bone screw. A bushing insertable into the through hole, includes a central bore designed to receive a bone screw, the central bore having a longitudinal axis, and a peripheral outer surface designed to be in contact with the through hole. The bushing is configured and dimensioned to be radially compressible and radially expansible, and the cross section of the through hole, which is orthogonal to the central axis, is non-circular. The cross section of the bushing that is orthogonal to the longitudinal axis has a shape that corresponds substantially to the cross section of the through hole of the bone plate. When placed in the through hole, the bushing is rotationally fixed relative to its longitudinal axis, but remains pivotally adjustable within the through hole relative to the bone plate. | 06-03-2010 |
20100145392 | APPARATUS AND METHODS FOR VERTEBRAL AUGMENTATION USING LINKED EXPANDABLE BODIES - Implants and methods for osteopathic augmentation and repositioning of vertebrae may comprise a chain having one or more beads or bodies configured for insertion into a vertebral body. The one or more bodies may be expandable. As the chain is inserted into the vertebral body, it may fill a central portion thereof and can push against the inner sides of the endplates of the vertebral body, thereby providing structural support and tending to restore the vertebral body to its original height. The one or more bodies may have a first configuration dimensioned to pass through a catheter or other introducer, and may expand to a second, larger configuration after insertion into the bone in order to secure the chain within the bone. | 06-10-2010 |
20100145397 | ANCHOR-IN-ANCHOR SYSTEM FOR USE IN BONE FIXATION - An anchor-in-anchor fixation system is provided for securing underlying structure, such as bone. The fixation system includes a first bone anchor having a shaft for fixation to underlying bone, and a head that defines an internal bore. A second bone anchor extends through the bore and into underlying bone. A fixation assembly is also provided that includes one or more fixation systems coupled to an auxiliary attachment member configured for long bone fixation, spinal fixation, or fixation of other bones as desired. | 06-10-2010 |
20100152856 | FULL-METAL DAMPENING INTERVERTEBRAL IMPLANT - A flexible element that may be configured, among various uses, as an intervertebral implant for insertion into an intervertebral disc space between adjacent vertebral bodies or between two bone portions. The flexible element includes one or more struts extending from superior and inferior endplates and bending towards one another for connection with one or more internal beams. | 06-17-2010 |
20100179598 | METHOD FOR LOCKING AN ARTIFICIAL FACET BETWEEN TWO VERTEBRAL BODIES - A bone screw ( | 07-15-2010 |
20100262193 | Osseosynthesis Plate with Keyhole Feature - A bone plate comprises a first plate opening extending therethrough, the first plate opening comprising a first cylindrical portion sized and shaped to receive therethrough a shaft of a first bone fixation element to be passed through the plate to fix the bone plate to a target bone to be treated in a desired position, a top surface of the first cylindrical portion comprising a recess sized and shaped to lockingly seat a head of the first bone fixation element therein and a first elongated portion open to the first cylindrical portion and a side of the bone plate, the first elongated portion being sized and shaped to permit slidable movement of the shaft of the first bone fixation element therethrough while preventing passage therethrough of the head of the first bone fixation element. | 10-14-2010 |
20100274296 | Multiplexed Screws - A bone fixation element comprises a shaft extending substantially along a longitudinal axis of the fixation element in combination with a head including a plurality of fixation element openings distributed about a perimeter thereof. Each of the fixation element openings extends through the head from a proximal surface thereof to a distal surface of the head. Each of the fixation element openings extends through the head along an opening axis. | 10-28-2010 |
20100298829 | Peri-Prosthetic Fixation Implant and Method - An apparatus for leading a cerclage member along a desired path through a portion of bone, comprises a guide strip extending from a proximal end to a sharpened distal end, at least a portion of the guide strip being biased to assume a shape corresponding to a portion of a desired path along which the cerclage member is to pass through a portion of bone and a delivery cannula including a lumen sized to slidably receive the guide strip therein, the cannula maintaining the guide strip in a substantially straight configuration until the guide strip is extended distally out of the lumen. | 11-25-2010 |
20100324604 | Device for Osteosynthesis - A device for osteosynthesis that includes a fixation element having at least one through hole designed to receive a pivotable bushing for a bone screw. The through hole having a central axis and a cross-section extending orthogonally to the central axis defined by two incomplete semicircles connected to each other by at least two non-circular cut outs forming grooves in the fixation element. The device also includes at least one bushing insertable in the through hole. The bushing has top and bottom surfaces, a longitudinal axis, a central bore designed to receive a bone screw, and a peripheral outside face having at least two outwardly extending protrusions defining an axis of rotation of the bushing extending through the protrusions. A cross section of the bushing orthogonal to the longitudinal axis is shaped such that the bushing is pivotable about the axis of rotation defined by the protrusions. | 12-23-2010 |
20110093077 | INTERVERTEBRAL IMPLANT WITH JOINT ELEMENTS CARRIED BY UNIVERSAL JOINT - An intervertebral implant, specifically an artificial intervertebral disk, with a central axis, an upper section, suitable for laying onto the base plate of a vertebral body lying on top and lower section, suitable for laying onto the cover plate of a vertebral body lying below, wherein | 04-21-2011 |
20110098754 | Variable Angle Screw Plate Systems - A bone fixation element comprises a shaft extending longitudinally from a proximal end to a distal end and a head connected to the proximal end of the shaft. The head includes a radially outer abutting structure deformable to lockingly engage an inner wall of an opening through a bone plate. Deformation of the abutting structure permits the head to lock the bone fixation element within the opening at any user-selected angle with respect to a central axis of the opening within a permitted range of angulation. | 04-28-2011 |
20110112534 | Nail Locking Systems - A system for fixing a fracture near a joint of a bone comprises (a) an intramedullary device including a longitudinal body and a head, the longitudinal body extending from a proximal end to a distal end, the head being attached to the proximal end of the longitudinal body; and (b) a plate implantable into a head portion of the bone to provide support to a joint zone, the plate engageable with the intramedullary device. The plate is substantially U-shaped and includes a midsection and a pair of arms extending from the midsection, the pair of arms forming a space therebetween, the space sized and shaped to accommodate the head of the intramedullary device. | 05-12-2011 |
20110112584 | Osteosynthetic Implant With An Embedded Hinge Joint - An osteosynthesis implant includes at least one coupling in the form of a swivel joint. Each swivel joint includes at least one planar or annular swivel element and two connecting arms that define a pivot axis. The coupling permits rotation about each pivot axis. The implant and coupling may be formed of unitary construction, or a separate coupling may be connectable to the implant. The coupling may receive a bone fastener such as a bone screw, or may be used in applications that require the coupling to directly support portions of the body such as spinal features. | 05-12-2011 |
20110118845 | FLEXIBLE DAMPENING INTERVERTEBRAL SPACER DEVICE - A flexible dampening intervertebral spacer ( | 05-19-2011 |
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 |
20110137346 | POSTERIOR DYNAMIC STABILIZATION SYSTEM - A dynamic stabilization system for mounting to a first vertebra and a second vertebra of a spine. The dynamic stabilization system preferably includes a first fixation element and a second fixation element mounted to the first and second vertebrae respectively. An elongated fixation element includes a first portion and a second portion. The first portion is mounted to the first fixation element and the second portion is mounted to the second fixation element. A dampening element is mounted between the first and second portions. The dampening element includes a plurality of segments and a plurality of bridging elements connecting the plurality of segments to permit movement of the first portion relative to the second portion. | 06-09-2011 |
20110152940 | METHODS OF SPINAL FIXATION AND INSTRUMENTATION - A method for performing spinal fixation and instrumentation. A first incision may be made through the skin and a passageway may be created to the spine. A screw may be inserted through the passageway and into a vertebrae. The screw may have a head portion including a channel. An insertion guide may be operable connected to the screw. The insertion guide may have first and second longitudinal slots. Additional screws may each be inserted through separate incisions or through the first incision. Insertion guides may be operably connected to a head portion of each screw. A sleeve may be positioned into one insertion guide in a first position to guide a rod through at least one other insertion guide. The sleeve may be rotated to a second position to allow the rod to move down the slots of the insertion guide(s) and into the head portion of the screw. | 06-23-2011 |
20110160729 | Intramedullary Nail and Protruding Screw Locking Mechanism - An apparatus for treating a bone comprises an implant to be received within the bone, including a plurality of bores extending therethrough and a cavity formed therewithin, each of the bores being dimensioned to receive a bone fixation element and a plurality of inserts receivable in the cavity. Each insert includes an opening extending therethrough and configured to align with a corresponding bore. Each insert is movable between a resting configuration in which an opening width is smaller than a width of a bone fixation element inserted therethrough and a stressed configuration in which the opening width is expanded to a width greater than that of the bone fixation element in combination with a compression member movable into the cavity to apply a force moving the inserts from the resting configuration to the stressed configuration, withdrawal thereof reducing the force and permitting a return to the resting configuration. | 06-30-2011 |
20110172721 | ORTHOPEDIC IMPLANTS FOR USE WITH PRECISION BONE RESURFACING INSTRUMENTATION - Reduced height and zero-profile implants, such as bone plates, are provided that take advantage of improved bone resurfacing instrument technology to form precisely resurfaced implant-receiving beds in cortical bone, such as across a fracture or bone portion in need of repair, to accommodate the implants. The implants are provided in forms that do not necessitate the inclusion of bone screws while providing increased implant-repulsion resistance. The implants may be sized and configured to receive anchoring pins, preferably anchoring pins having non-circular cross-sectional shafts that further increase implant-repulsion resistance. | 07-14-2011 |
20110202092 | Variable Angle Fixation Element System - A device for stabilizing portions of bone, comprises a plate to be coupled to a target portion of bone including a first hole extending therethrough from a proximal surface to a distal, bone-facing, surface thereof and a first rigid member received within the first hole, the rigid member sized relative to the first hole to be rotatable therewithin about an axis substantially perpendicular to a proximal-distal axis of the first hole, the first rigid member including a first bore extending therethrough from a proximal opening to a distal opening, the first bore being sized and shaped to receive a first bone fixation element to be inserted through the plate into the target portion of bone in combination with a first deformable member coupling the first rigid member to the plate. | 08-18-2011 |
20110295325 | Bone Plate - A bone plate includes an upper surface, a bone contacting surface, and at least one hole extending through the upper and bone contacting surfaces. The bone plate defines a longitudinal axis. The at least one hole defines a central axis and is elongated in a direction substantially aligned with the longitudinal axis. The hole may include a threaded portion and a non-threaded portion, and the threaded portion may extend through an angle of between about 190° and about 280° with respect to the central axis. | 12-01-2011 |
20110313531 | IMPLANT FOR INTERVERTEBRAL SPACE - An implant for an intervertebral space with a shaped body. The implant makes possible rotation of the implant about the longitudinal axis of the body in one direction and prevents such rotation in the opposite direction. | 12-22-2011 |
20120022600 | ANTERIOR TRANSPEDICULAR SCREW-AND-PLATE SYSTEM - An anterior transpedicular bone fixation device ( | 01-26-2012 |
20120259371 | DEVICE FOR OSTEOSYSNTHESIS - A bone plate system includes (a) Bone Plate having a bottom surface for contacting bone, an upper surface and at least one through hole extending from the bottom surface to the upper surface, the through hole having a central axis and a cross-section that extends orthogonally to the central axis and is one of at least partially polygonal, at least partially prismatic, and at least partially elliptical; (b) Bushing within the through hole, Bushing including a central bore designed to receive a bone fixation element, a cross-section of Bushing orthogonal to the longitudinal axis of Bushing is shaped substantially the same as the cross-section of the through hole so that Bushing is secured against rotation about its longitudinal axis; and (c) at least one Bone Fixation Element having a portion for anchoring within bone, Bone Fixation Element configured and dimensioned for insertion into the central bore of Bushing. | 10-11-2012 |
20120289961 | INTRAMEDULLARY NAIL - The intramedullary nail has a longitudinal axis, a proximal end, a distal end, at least one hole that extends transversely to the longitudinal axis and is situated in a plane with a defined diameter to accommodate a locking element, as well as a longitudinal slot extending in the plane parallel to the longitudinal axis. In the unexpanded state of the intramedullary nail the longitudinal slot has a width b, measured perpendicularly to the plane in the region outside of the holes, said slot being maximum 0.6 times that of the smallest defined diameter of the holes. | 11-15-2012 |
20120310355 | APPARATUS AND METHODS FOR VERTEBRAL AUGMENTATION USING LINKED EXPANDABLE BODIES - Implants and methods for osteopathic augmentation and repositioning of vertebrae may comprise a chain having one or more beads or bodies configured for insertion into a vertebral body. The one or more bodies may be expandable. As the chain is inserted into the vertebral body, it may fill a central portion thereof and can push against the inner sides of the endplates of the vertebral body, thereby providing structural support and tending to restore the vertebral body to its original height. The one or more bodies may have a first configuration dimensioned to pass through a catheter or other introducer, and may expand to a second, larger configuration after insertion into the bone in order to secure the chain within the bone. | 12-06-2012 |
20120323240 | Intramedullary Nail - An intramedullary nail, particular for use with a tibia, may have a proximal end part, a distal end part adapted to be introduced into a medullary space, and a central section. The central section includes a first curved section having a first length with a first radius of curvature, and a second curved section having a second length shorter than the first length and a second radius of curvature smaller than the first radius of curvature. The second radius of curvature may be less than the first radius of curvature. The intramedullary nail also includes a central axis. Tangents at two end points of the central section, including the first and second curved sections, enclose an angle gamma between about 9° and about 12°. The intramedullary nail may have a total length ranging from 200 to 500 mm. | 12-20-2012 |
20130204251 | NAIL LOCKING SYSTEMS - A system for fixing a fracture near a joint of a bone comprises (a) an intramedullary device including a longitudinal body and a head, the longitudinal body extending from a proximal end to a distal end, the head being attached to the proximal end of the longitudinal body; and (b) a plate implantable into a head portion of the bone to provide support to a joint zone, the plate engageable with the intramedullary device. The plate is substantially U-shaped and includes a midsection and a pair of arms extending from the midsection, the pair of arms forming a space therebetween, the space sized and shaped to accommodate the head of the intramedullary device. | 08-08-2013 |
20130274813 | DEVICE FOR OSTEOSYNTHESIS - The device for performing osteosynthesis includes a fixation element, such as a bone plate having a bottom surface designed to bear against the bone, a top surface, and at least one through hole extending from the bottom surface to the top surface, the though hole having a central axis and configured and dimensioned to receive a multiaxially pivotal insert or bushing for a bone screw. A bushing insertable into the through hole, includes a central bore designed to receive a bone screw, the central bore having a longitudinal axis, and a peripheral outer surface designed to be in contact with the through hole. The bushing is configured and dimensioned to be radially compressible and radially expansible, and the cross section of the through hole, which is orthogonal to the central axis, is non-circular. The cross section of the bushing that is orthogonal to the longitudinal axis has a shape that corresponds substantially to the cross section of the through hole of the bone plate. When placed in the through hole, the bushing is rotationally fixed relative to its longitudinal axis, but remains pivotally adjustable within the through hole relative to the bone plate. | 10-17-2013 |
20130289621 | Drug-Impregnated Encasement - A drug-impregnated sleeve for encasing a medical implant is provided. In one embodiment, the sleeve may include a body made of a biologically-compatible material that defines an internal cavity configured to receive the medical implant. In one embodiment, the biologically-compatible material is bioresorbable. The body may include a plurality of apertures, such as perforations or holes, extending from the cavity through the body. The sleeve may further include a first end, a second end, and a drug impregnated into the resorbable sheet. In one possible embodiment, the first end of the sleeve may be open for receiving the medical implant therethrough and the second end may be closed. The implant may be encased in the sleeve and implanted into a patient from which the drug is dispensed in vivo over time to tissue surrounding the implantation site. In one embodiment, the body is made from at least one sheet of a biologically-compatible material, hi one embodiment, the sleeve may be made in least in part from caprolactone to add stretchability to the sleeve. | 10-31-2013 |
20140039497 | Anchor-In-Anchor System For Use In Bone Fixation - An anchor-in-anchor fixation system is provided for securing underlying structure, such as bone. The fixation system includes a first bone anchor having a shaft for fixation to underlying bone, and a head that defines an internal bore. A second bone anchor extends through the bore and into underlying bone. A fixation assembly is also provided that includes one or more fixation systems coupled to an auxiliary attachment member configured for long bone fixation, spinal fixation, or fixation of other bones as desired. | 02-06-2014 |
20140051980 | Simulated Bone or Tissue Manipulation - A tissue manipulation system includes Programmable Markers configured to be implanted on opposite sides of one or more portions of tissue within a patient's body, Markers communicating with one another to enable a determination of their relative positions and External Device receiving and transmitting signals to Markers containing information as to Marker's positions. Device is configured to: capture an image of the tissue portions with Markers; manipulate the image of the tissue portions in a virtual environment or a simulated environment to a desired restored orientation; determine desired positions Markers will have when the tissue portions are in the desired restored orientation; program implanted Markers with the desired orientations. Device generates an indicator signal upon Markers being manipulated into the desired orientations; and manipulate the tissue portions after Markers have been programmed, until an indicator signal is generated indicating that the desired restored orientation has been substantially achieved. | 02-20-2014 |
20140074252 | EXPANDABLE IMPLANT - An implant system includes a fixation device that, in turn can include an expandable implant alone or in combination with an auxiliary implant. The expandable implant includes an expandable implant body that is made from an expandable material. The expandable material includes a polymer matrix and an expandable gas source contained within at least a portion of the polymer matrix. The implant system can further include an energy source configured to heat the polymer matrix to a temperature above its glass transition temperature, thereby causing the gas source to expand inside the polymer matrix. The fixation device can further include an insertion instrument configured to implant the fixation device into an anatomical cavity. | 03-13-2014 |
20140207195 | DYNAMIC BONE FIXATION ELEMENT AND METHOD OF USING THE SAME - The present invention relates to dynamic bone fixation elements and a surgical method to stabilize bone or bone fragments. The dynamic bone fixation elements preferably include a bone engaging component and a load carrier engaging component. The bone engaging component preferably includes a plurality of threads for engaging a patient's bone and a lumen. The load carrier engaging component preferably includes a head portion for engaging a load carrier (e.g., bone plate) and a shaft portion. The shaft portion preferably at least partially extends into the lumen. Preferably at least a portion of an outer surface of the shaft portion is spaced away from at least a portion of an inner surface of the lumen via a gap so that the head portion can move with respect to the bone engaging component. The distal end of the shaft portion is preferably coupled to the lumen. | 07-24-2014 |
20140257294 | IMPROVEMENTS IN AND RELATING TO IMPLANTS - An implant assembly includes a first implant member, a second implant member, and a contractible element that is connected between the first and second implant members. The first implant member is configured to be placed against a first bone portion, and the second implant member is configured to be placed against a second bone portion. The contractible element is fixed at a first end to one of the first and second implant members, and movable at a second end with respect to one of the first and second implant members so as to induce tension in the suture, thereby providing a compressive force against the first and second bone portions. The second end can then be fixed with respect to the first and second implant members. The contractible element can contract in length in response to bodily fluids, thereby ensuring adequate post-operative compression. An instrument is also disclosed that is configured to implant the first and second implant members adjacent the first and second bone portions, respectively. | 09-11-2014 |
20150018969 | Drug-Impregnated Encasement - A drug-impregnated sleeve for encasing a medical implant is provided. In one embodiment, the sleeve may include a body made of a biologically-compatible material that defines an internal cavity configured to receive the medical implant. In one embodiment, the biologically-compatible material is bioresorbable. The body may include a plurality of apertures, such as perforations or holes, extending from the cavity through the body. The sleeve may further include a first end, a second end, and a drug impregnated into the resorbable sheet. In one possible embodiment, the first end of the sleeve may be open for receiving the medical implant therethrough and the second end may be closed. The implant may be encased in the sleeve and implanted into a patient from which the drug is dispensed in vivo over time to tissue surrounding the implantation site. In one embodiment, the body is made from at least one sheet of a biologically-compatible material. | 01-15-2015 |