ARTHROSURFACE INCORPORATED Patent applications |
Patent application number | Title | Published |
20140309689 | Suture System and Method - A suture system including a suture construct having a first reduction construct configured to be selectively arranged in an expanded state and a reduced state. The first reduction construct includes a first locking limb, a first contractible loop, and a first opposed loop disposed generally opposite to the first contractible loop, wherein reduction of the first opposed loop contracts the first contractible loop from the expanded state into the reduced state and secures the suture construct in the reduced state. The suture construct may also include a second reduction construct. Optionally, the suture system includes a first and a second pusher tube defining a first and a second lumen, respectively, wherein each pusher tubes are advanced over portions of opposed loops, respectively, and wherein distal portions of opposed loops extend beyond the pusher tubes, respectively. | 10-16-2014 |
20140058395 | Trochlear Resurfacing System and Method - A system for repairing a defect on an articular surface of a patient's trochlear region, the system comprising a guide block comprising a body having an exterior surface configured to engage with the saddle portion and ridge portions of the patient's trochlear region, a protrusion extending generally from the body and configured to be received in a first bore formed in the articular surface along a reference axis, and a first cavity extending through the body configured to establish a first working axis displaced from the reference axis, wherein the exterior surface of the body and the protrusion are configured to secure the location of the guide block about the patient's trochlear region. A method for preparing an implant site in bone, comprising: establishing a reference axis extending from the bone; creating a bore in the bone by reaming about the reference axis; securing a guide block about the articular surface; establishing a first working axis extending from the bone using the guide block, the first working axis is displaced from the reference axis; and creating a first socket in the bone by reaming about the first working axis, wherein the first socket partially overlaps with the bore. | 02-27-2014 |
20140012389 | System for Articular Surface Replacement - A system for replacing a portion of an articular surface including providing an implant site and installing an implant into the implant site. The implant site includes a first and a second excision site which at least partially intersect with one another. Each of the first and second excision sites are formed by providing a respective axis and excising a portion of the articular surface relative to the respective axes. | 01-09-2014 |
20130190831 | System and Method for Bone Fixation - A fixation system for coupling a first and a second portion of bone together. The fixation system includes a first fixation element, a second fixation element, and an interconnect. The first and second fixation elements include external surfaces configured to engage the first and second portions of bone, respectively, and a first and second mating surface, respectively. The interconnect includes a first and a second surface disposed at generally opposite ends, which are configured to engage the first and the second mating surfaces of the first and the second element, respectively, to form connections therebetween. At least one of the first mating surface, the second mating surface, the first surface, or the second surface is configured to deform when coupling the first fixation element, the second fixation element, or the interconnect. | 07-25-2013 |
20130165982 | System and Method for Bone Fixation - A fixation system for coupling a first and a second portion of bone together. The fixation system includes a first fixation element, a second fixation element, and an interconnect. The first fixation element includes an external surface configured to engage the first portion of bone and a first tapered mating surface. The second fixation element includes an external surface configured to engage the second portion of bone and a second tapered mating surface. The interconnect includes a first and a second tapered surface disposed at generally opposite ends. The first and the second tapered surfaces are configured to frictionally engage the first and the second tapered mating surfaces of the first and the second element, respectively, to form frictional interference connections therebetween. | 06-27-2013 |
20120271417 | System and Method for Joint Resurface Repair - An implant comprising a first, second, and third segment wherein the second and third segments partially overlap the first segment and define a load bearing surface comprising an anterior-posterior (AP) curvature including at least two tangential curves of the portion of the articular surface of the femoral condyle, the tangential curves having different radii of curvature. A drill guide comprises a body portion including a first, second and third bushing spaced along the body portion to establish a first, second and third axes, respectively. Each axis may be substantially normal to the articular surface at three different points along a curvature of the articular surface comprising the two tangential curves. A measuring device comprises a housing defining a longitudinally passageway and an outrigger. A guide pin may be received in the longitudinal passageway and a measuring device determines how far the guide pin is in the passageway. | 10-25-2012 |
20120253365 | Suture Coil and Suture Sheath for Tissue Repair - A medical device is provided comprising a suture thread coated with a stiffening agent and having a shape of a coil having a plurality of windings. The suture thread may be used to reconnect soft tissue to bone tissue. The suture thread may be used in conjunction with a suture sheath which is inhibited from movement relative to the suture thread. | 10-04-2012 |
20110196434 | SYSTEM AND METHOD FOR RETROGRADE PROCEDURE - A system and method may be used for accessing an articular surface and for preparing an implant site on the articular surface. The method may include locating a portion of the articular. An access passage may be drilled towards the articular surface though bone behind the articular surface. An implant site may be excised in the articular surface relative to an axis defined by the access passage. | 08-11-2011 |
20110152870 | Retrograde Delivery of Resurfacing Devices - A method according to one embodiment may provide access to an articular surface of a bone. The method includes forming a passage through at least a portion of the bone. The passage provides an opening in the articular surface. The method further includes inserting a tether through the passage. The tether inserted through the passage can be coupled to at least one device from an insertion site remote from the articular surface. The tether can be withdrawn through the passage to convey the device to a location proximate the articular surface. | 06-23-2011 |
20110071641 | Articular Surface Implant and Delivery System - A method is provided for delivering an implant for replacing a portion of an articular surface. The method may include forming a socket in an articulating feature that is capable of moving relative to the articular surface. An implant may be placed in the socket and the articulating feature may be moved relative to the articular surface to generally align the socket with an implant site formed in the articular surface. The implant may be transferred from the socket into the implant site. | 03-24-2011 |
20100312342 | Articular Surface Implant - An implant for replacing a portion of an articular surface including a load bearing surface and a bone contacting region. The load bearing surface had a contour defined by a first curve string which is based on a contour of the articular surface being replaced in a first plane. The load bearing surface of the implant is further defined by the contour of the articular surface being replaced in a second plane, in which the first and second planes are mutually intersection planes. | 12-09-2010 |
20100268239 | Glenoid Resurfacing System and Method - The present disclosure relates to a system and method for repairing an articular surface. A guide pin may be secured to an articular surface of a glenoid, wherein the guide pin defines a working axis and the working axis is positioned at an angle α relative to the articular surface, wherein angle α is less than or equal to 90 degrees. An excision device may be advanced over the guide pin, wherein the excision device includes a cannulated shaft and at least one cutter, wherein the at least one cutter is generally aligned in a single plane. A generally hemi-spherical excision site may be formed with the excision device within the articular surface of the glenoid. | 10-21-2010 |
20100268238 | Glenoid Resurfacing System and Method - A system and method for repairing a defect on an articular surface. An excision guide is positioned on an articular surface, wherein the excision guide includes a guide head and a guide sleeve disposed on the guide head, wherein the guide head includes a contact surface configured to locate the excision guide relative to the articular surface. A guide pin may be advanced through the guide sleeve and secured to the articular surface, wherein the guide sleeve is configured to receive the guide pin therethrough and position the guide pin at an angle β relative to an axis generally normal and central to a defect on the articular surface, wherein angle β is less than 90 degrees. | 10-21-2010 |
20100204701 | System and Method for Joint Resurface Repair - A system for repairing a defect on a patient's articular surface comprising a guide, a guide pin, a reamer, and an implant. The guide is configured to be disposed about the defect and includes a passageway configured to establish a reference axis extending generally outwardly from the articular surface. The guide pin is configured to be received through the guide passageway along the reference axis and into bone beneath the articular surface. The reamer comprises a cannulated shaft configured to be advanced over the guide pin along the reference axis and further comprises a cutting surface configured to be rotated about the guide pin to form an excision site. The implant comprises a bone facing surface configured to be received in the excision site and a load bearing surface having a contour approximating a contour of the patient's articular surface. | 08-12-2010 |
20100191245 | Trochlear Resurfacing System and Method - A system for repairing a defect on an articular surface of a patient's trochlear region, the system comprising a guide block comprising a body having an exterior surface configured to engage with the saddle portion and ridge portions of the patient's trochlear region, a protrusion extending generally from the body and configured to be received in a first bore formed in the articular surface along a reference axis, and a first cavity extending through the body configured to establish a first working axis displaced from the reference axis, wherein the exterior surface of the body and the protrusion are configured to secure the location of the guide block about the patient's trochlear region. A method for preparing an implant site in bone, comprising: establishing a reference axis extending from the bone; creating a bore in the bone by reaming about the reference axis; securing a guide block about the articular surface; establishing a first working axis extending from the bone using the guide block, the first working axis is displaced from the reference axis; and creating a first socket in the bone by reaming about the first working axis, wherein the first socket partially overlaps with the bore. | 07-29-2010 |
20100185294 | Nanorough Alloy Substrate - A CoCr substrate for growing mammalian cells and, in particular, chondrocytes and synovial stem cells. The substrate may be treated electrolytically to produce a surface topography that is amenable to cell growth and migration. The substrate shows improved adhesion and migration characteristics and may be useful as a prosthesis or implant and in particular as a prosthesis in a joint such as the knee. | 07-22-2010 |