Abstract: The present disclosure is directed to orthopedic implants and methods of rapid manufacturing orthopedic implants using in vivo data specific to an orthopedic implant or orthopedic trial. Specifically, the instant disclosure utilizes permanent orthopedic implants and orthopedic trials (collectively, “implants”) outfitted with kinematic sensors to provide feedback regarding the kinematics of the trial or implant to discern which implant is preferable, and thereafter rapid manufacturing the implant.

Abstract: A knee replacement system for enabling natural knee movement in a leg comprising a prosthetic is provided. The prosthetic includes a tibial portion at least partially implantable on a resected surface of a tibia; a plate portion attached to the tibial portion and at least partially implantable in a meniscal space; wherein the plate portion comprises a top surface having a medial recess and a lateral recess and a bottom surface attached to a top surface of the tibial portion wherein the tibial portion and the plate portion are one piece, wherein a medial side surface, a lateral side surface, a posterior side surface and an anterior side surface are attached to at least a portion of the top surface and at least a portion of the bottom surface and defining a medial side edge, a lateral side edge, a posterior side edge and an anterior side edge respectively, where in at least a portion of one of the medial side edge, lateral side edge, posterior side edge, and anterior side edge is oblique.

Abstract: A knee joint prosthesis can include a tibial component that can have a tibial tray. The tibial tray can include a platform-like tray that defines a superior surface and an inferior surface. The platform-like tray can have a tray perimeter and a raised wall formed on the inferior surface. The raised wall can be offset inboard relative to the tray perimeter. Porous material can be disposed on the inferior surface of the platform-like tray at a location generally between the raised wall and the tray perimeter.

Abstract: A tibial insert includes a platform defining an upper bearing surface and a bottom surface. A keel of the tibial insert is coupled to the bottom surface of the platform and includes a bore extending along a width of the keel. The bore is formed to receive a fastener therein.

Abstract: An orthopaedic knee prosthesis is provided including a tibial baseplate component having a distal, bone-contacting surface with one or more fixation structures extending distally therefrom, in which the fixation structures are asymmetrically arranged within the baseplate periphery.

Abstract: A tibial anchoring assembly comprising a tibial tray and an anchor. The tibial tray comprises an upper surface for engagement with a femoral component and a lower surface for engagement with a tibia bone. The lower surface defines at least one retaining aperture. The anchor is adapted to compressively couple the tibial tray to the tibia bone. The anchor comprises a longitudinally extending base, a top section coupled to the base and having a shape to be received into the retaining aperture of the tibial tray, and a flexible blade member protruding from the base. The flexible blade member is adapted to be flexed in tension while being inserted into the tibia bone, thereby exerting a compressive force between the tibial tray and the tibia bone. A deforming fixture may be used to shape the flexible blade member. Methods of affixing an implant to a bone structure are also provided.

Abstract: Tibial inserts and tibial femoral systems are provided for improved knee reconstruction systems. External rotation of a knee joint implant is enhanced by modifications to the post, providing a recess that allows clearance of the post against the corners of a box wall within the femoral component. The rotation provides for a more natural knee joint motion of the implant. The depth, size, and location of the post relief may be modified for certain applications to provide both improved rotational motion and constraint against undesirable motion of the knee.

Abstract: Systems and methods for providing deeper knee flexion capabilities, more physiologic load bearing and improved patellar tracking for knee prosthesis patients. Such systems and methods include a tibial component for replacing at least part of a proximal portion of a tibia. In some cases, the tibial component includes an articulation feature that forms a projection that projects from a posterior portion of at least one of a medial articulation surface and a lateral articulation surface of the tibial component. In some cases, the articulation feature is contained within an area of the tibial component that is selected from a lateral portion which is lateral to a medial-most portion of an intercondylar surface, and a medial portion, which is medial to a lateral-most portion of the intercondylar surface, and wherein the intercondylar surface is disposed on an object selected from the tibial component and the proximal portion of the tibia.

Abstract: A connecting device of joint prosthesis includes a stem means provided for being inserted into a medullary cavity of a bone, a receiving means provided for receiving a bone structure near the bone, an offset connecting means connected between the stem means and the receiving means, and an inserting member. The offset connecting means includes a first connecting component and a second connecting component. The inserting member inserts into an inserting bore of the first connecting component and an inserting recess of the second connecting component to make the first connecting component being fixed and positioned at the second connecting component, wherein there is an offset distance between the longitudinal central axis of the first connecting component and the longitudinal central axis of the second connecting component. Thereby the connecting device of joint prosthesis is adjustable for fitting individual patients with more effect in regard of the musculoskeletal mechanics.

Abstract: A modular prosthesis kit includes a sleeve. The sleeve has a central portion and a fin. At least part of the central portion includes a plurality of adjacent terraces. The fin includes a pair of tapered outer surfaces that are continuous, non-terraced and define a wedge-shape to stabilize the position of the sleeve when implanted. The sleeve may include a single terraced spout or wing with such a fin or may not have any spouts or wings extending out from the central portion. The kit may also include sleeves with two spouts or wings extending out from the central portion.

Abstract: A surgical instrument including at least one tibial phantom generally corresponding to at least certain features of the tibial implant. The tibial phantom includes a top surface adapted to move freely against the prepared bottom end of the tibia. At least one talus phantom generally corresponding to at least certain features of the talus implant is engaged with the prepared top surface of the talus. At least one phantom skid is located between the tibial phantom and the talus phantom. The phantom skid is engaged with the tibial phantom such that dynamic engagement between the phantom skid and the talus phantom through at least extension and flexion of the ankle joint positions the tibial phantom on the prepared bottom end of the tibia. The phantom skid can either be a part of the tibial phantom or a separate component.

Abstract: A tibial insert includes a platform defining an upper bearing surface and a bottom surface. A keel of the tibial insert is coupled to the bottom surface of the platform. A surgical method for knee anthroplasty is also disclosed.

Abstract: A device for unicompartmental arthroplasty of the knee. The device permits arthroplasty of the medial and/or lateral tibial condyle, and allows for securing of the device without the use of bone cement. Such a device comprises a baseplate, the baseplate comprising a first surface configured to be secured to a surgically prepared medial (or lateral) compartment of a proximal end of a patient's tibia, and an opposing second surface configured to replicate a medial (or lateral) tibial condyle; a flange adjacent the baseplate, the flange shaped to interface with a surgically prepared anterior surface of the proximal end of the patient's tibia, the flange comprising an orifice therethrough; and at least one anchor protruding from the first surface, the at least one anchor arranged to coincide with at least one corresponding surgically prepared void in the patient's tibia.

Abstract: An orthopaedic knee prosthesis includes a tibial bearing component with articular features which operate to protect adjacent soft tissues of the natural knee, promote and/or accommodate desired articulation with an abutting femoral component, and facilitate expedient and effective implantation by a surgeon.

Abstract: A system and method for transmitting implant data includes an orthopaedic implant, a wireless receiver, and a processing circuit electrically coupled to the wireless receiver. The orthopaedic implant is configured to transmit implant identification data and implant sensor data to the wireless receiver in response to a power signal. The orthopedic implant may transfer the data over, for example, a wireless network. The processing circuit receives the implant identification data and the implant sensor data from the wireless receiver and is configured to retrieve patient-related data from a database based on the implant identification data. The processing circuit may also be configured to update a patient queue, assign a patient room to a patient, and/or transmit the patient-related data and the implant sensor data to a client machine located in the patient room.

Abstract: Disclosed herein are prosthesis, surgical tools, and methods to preserve one or more ligaments of the knee by cutting a least a portion of natural bone during joint surgery. The natural bone may be cut using various methods and associated cutting guides, and the natural bone is retained along with the natural attachment of an associated soft tissue structure. The bone block cutting guides may create a variety of standard natural block shapes or may create mechanical mating features (e.g., keystone or dovetail configuration) in the natural bone portion that may be inserted, wedged, press-fit, and/or mechanically attached to the tibia. The natural bone block with the associated soft tissue may be further secured by incorporating features in the tibial prosthesis, providing the surgeon with additional fixation components and/or fixation mechanisms.

Abstract: A knee joint prosthesis for implantation to replace a portion of a knee joint. The knee joint prosthesis includes a tibial tray and a bearing member that engages the tibial tray. The prosthesis also includes an insert with a base that is fixed to the bearing member and an extension portion that extends away from the bearing member and the tibial tray. The extension portion has an axis, and the extension portion includes a threaded portion. The prosthesis further includes a post that is rotatably coupled to the extension portion, and the post is rotatable about the axis of the extension portion relative to the insert. Furthermore, the prosthesis includes a retention member that threadably couples to the threaded portion of the insert to limit movement of the post along the axis away from the bearing member and the tibial tray.

Abstract: In order to improve a modular implant part for replacing a part of a natural knee joint with an implant component comprising a shaft extending away from the implant component and a connecting device for connecting the shaft to the implant component such that the shaft is adapted to be fixed to the implant component in a multiplicity of desired positions in a simple manner, it is proposed that the connecting device be formed in such a manner that, in a mounting disposition, the shaft is adapted to be moved into different translatory positions by a translatory movement in a direction transverse or substantially transverse to its longitudinal axis, and that, in an implantation disposition, the shaft is adapted to be fixed immovably to the implant component in one of the different translatory positions. Furthermore, an improved knee joint prosthesis is proposed.

Abstract: A tibial insert includes a platform defining an upper bearing surface and plurality of keels of the tibial insert extend downwardly from the platform. A surgical method for knee arthroplasty is also disclosed.

Abstract: Apparatus for reconstructing a joint, the apparatus comprising: an implant body having a bone contacting surface; and a plurality of fixation elements secured to the implant body and extending into the host bone at a plurality of angles, wherein all angles are not equal to one another, so as to create immediate stability between the implant body and the host bone.

Abstract: A prosthesis system for replacing a knee joint between a femur and a tibia can include a first femoral component including a first condylar portion, a second condylar portion, a first sidewall extending superiorly from the first condylar portion and a second sidewall offset from the first sidewall a first distance and extending superiorly from the second condylar portion. A tibial component can have a bone engaging inferior surface and a bearing engaging superior surface. A bearing can have an inferior surface that engages the bearing engaging surface and a superior femoral engaging surface. The bearing can define an opening and a bearing keyway. A first yoke and a second yoke can each have an inferior portion, a superior portion, and a yoke keyway extending therethrough.

Abstract: Systems and methods for providing deeper knee flexion capabilities, more physiologic load bearing and improved patellar tracking for knee prosthesis patients. Such systems and methods include (i) adding more articular surface to the antero-proximal posterior condyles of a femoral component, including methods to achieve that result, (ii) modifications to the internal geometry of the femoral component and the associated femoral bone cuts with methods of implantation, (iii) asymmetrical tibial components that have an unique articular surface that allows for deeper knee flexion than has previously been available, (iv) asymmetrical femoral condyles that result in more physiologic loading of the joint and improved patellar tracking and (v) modifying an articulation surface of the tibial component to include an articulation feature whereby the articulation pathway of the femoral component is directed or guided by articulation feature.

Abstract: An orthopaedic knee prosthesis is provided including a tibial baseplate component having a distal, bone-contacting surface with one or more fixation structures extending distally therefrom, in which the fixation structures are asymmetrically arranged within the baseplate periphery.

Abstract: One embodiment of the present invention relates to a knee prosthesis system with at least a first tibial portion element (a tibial insert or a tibial insert trial) and a second tibial portion element (a tibial insert or a tibial insert trial), wherein each of the first tibial portion element and the second tibial portion element has a different slope. Another embodiment of the present invention relates to a method of implanting a knee prosthesis, wherein the method utilizes at least a first tibial portion element (a tibial insert or a tibial insert trial) and a second tibial portion element (a tibial insert or a tibial insert trial), wherein each of the first tibial portion element and the second tibial portion element has a different slope.

Abstract: The invention concerns monolithic foam sleeves that comprises titanium or titanium alloy foam having a porosity of 50 to 85% and possesses a proximal surface, a distal end, an interior wall that defines an interior channel and extends from the proximal surface to the distal end; and a terraced outer surface that tapers such that said sleeve is widest at the proximal surface and most narrow at the distal end.

Abstract: An orthopedic prosthesis includes a tibial implant and a tibial insert. The tibial implant includes an upper surface, a medial side, a lateral side and a first locking structure provided on the upper surface where the medial side and the lateral side of the tibial implant are defined by a medial-lateral midline. The tibial insert includes a second locking structure provided on its bottom surface. The first and second locking structures are configured for engaging each other along an engagement direction vector when the tibial insert is inserted into the tibial base towards the posterior side. The engagement direction vector is angled away from the medial-lateral midline of the tibial implant towards the medial side of the tibial implant by a predetermine angle.

Abstract: Systems and methods for providing deeper knee flexion capabilities, more physiologic load bearing and improved patellar tracking for knee prosthesis patients. Such systems and methods include (i) adding more articular surface to the antero-proximal posterior condyles of a femoral component, including methods to achieve that result, (ii) modifications to the internal geometry of the femoral component and the associated femoral bone cuts with methods of implantation, (iii) asymmetrical tibial components that have an unique articular surface that allows for deeper knee flexion than has previously been available, (iv) asymmetrical femoral condyles that result in more physiologic loading of the joint and improved patellar tracking and (v) modifying an articulation surface of the tibial component to include an articulation feature whereby the articulation pathway of the femoral component is directed or guided by articulation feature.

Abstract: The present invention relates to a mounting system and method for enhancing implant fixation to bone. That is, the present invention relates generally to the field of orthopaedics. Various embodiments of the present invention relate to the replacement (totally or partially) of a joint. In one example (which example is intended to be illustrative and not restrictive), the present invention provides a modular system with different anchoring mechanisms for optimized fixation of a joint implant to the bone (wherein “optimized” fixation may be as desired by a surgeon).

Abstract: Modular bone implants, modes of assembly, and their method of use are presented.

Abstract: A tibial component for use in conjunction with a knee replacement surgery. An inferior surface of the tibial component may be concave to thereby improve bonding between the tibial component and a tibia. The tibial component may produce low stress in the cement mantle during in-vivo loading. A stem extending from the inferior surface of the tibial component may include an anterior curvature to facilitate the use of minimally evasive surgical techniques. The stem may further include medial-lateral wing portions with a posterior curvature to provide improved support.

Abstract: A prosthesis for replacing a knee joint between a femur and a tibia can include a femoral component having a first condylar portion, a second condylar portion, a first sidewall and a second sidewall that collectively comprise a first hinge portion. A tibial component can have a first engagement portion formed thereon. A bearing can have an articulating inferior surface adapted to articulate along the bearing. The bearing can have an opening. A yoke can have an inferior portion and superior portion, the superior portion having an axle that comprises a second hinge portion. The inferior portion can have a second engagement portion and be configured to at least partially pass through the opening. The femoral component is operable to rotate relative to the tibial component about a superior/inferior axis a first rotational distance until the first and second engagement portions engage each other and inhibit further rotation.

Abstract: A tibial insert includes a platform defining an upper bearing surface and a bottom surface. A keel of the tibial insert is coupled to the bottom surface of the platform and a rod of the tibial insert extends through a portion of the keel. A surgical method for knee arthroplasty is also disclosed.

Abstract: A modular knee prosthesis can include a femoral component having a superiorly extending portion, a first femoral bearing surface and a second femoral bearing surface. The superiorly extending portion can define a first tapered augment receiving surface. A tibial component can have an inferiorly extending portion and a tibial bearing surface. The inferiorly extending portion can define a second tapered augment receiving surface. A first augment can define a first receiving bore and a first stepped surface. A second augment can define a second receiving bore and a second stepped surface. The first and second augments are adapted to mate at the first and second stepped surfaces in a first position at the first tapered augment receiving surface of the femoral component and in a second position at the second tapered augment receiving surface of the tibial component.

Abstract: A knee joint prosthesis for implantation to replace a portion of a knee joint. The knee joint prosthesis includes a tibial tray and a bearing member that engages the tibial tray. The prosthesis also includes an insert with a base that is fixed to the bearing member and an extension portion that extends away from the bearing member and the tibial tray. The extension portion has an axis, and the extension portion includes a threaded portion. The prosthesis further includes a post that is rotatably coupled to the extension portion, and the post is rotatable about the axis of the extension portion relative to the insert. Furthermore, the prosthesis includes a retention member that threadably couples to the threaded portion of the insert to limit movement of the post along the axis away from the bearing member and the tibial tray.

Abstract: A mobile tibial assembly includes a tibial tray and a tibial insert. The tibial tray includes a track that is defined in an upper surface, and the track has a bottom wall that is flat in the medial-lateral direction and convex in the anterior-posterior direction. The tibial insert includes a bottom bearing surface configured to contact the upper surface of the tibial tray and a stem including a circular neck connected to the bottom bearing surface. The bottom bearing surface has a surface area that is less than the cross-sectional area of the circular neck. The convex upper surface of the tibial tray contacts the concave bottom bearing surface of the tibial insert and the tibial insert is freely rotatable about a central axis defined by the stem as the tibial insert is moved along the track relative to the tibial tray in the generally anterior-posterior direction.

Abstract: Modular bone implants, means of assembly, and their method of use are presented.

Abstract: There is provided a tibial component comprising: a tibial tray with an inferior side; and a support member connected to the inferior side of the tibial tray, the support member having a stem portion, the support member further comprising at least one opening. In one embodiment, the at least one opening is constructed and arranged to receive a sawblade or an osteotome. In another embodiment, the at least one opening is comprised of solid material but is radio-lucent. In yet another embodiment, the at least one opening is comprised of solid material and is frangible.

Abstract: A prosthetic knee system includes a tibial tray, a non-rotating tibial insert, and a rotating tibial insert. The non-rotating tibial insert and the rotating tibial insert are selectively coupleable to the tibial tray such that a fixed or a mobile orthopaedic prosthesis may be configured. In some embodiments, the tibial tray may be a fixed or mobile tibial tray. Additionally, in some embodiments, the prosthetic knee system may include a femoral component.

Abstract: A knee arthroplasty prosthesis includes a femoral component having multiple pieces with engagement means provided for engaging various pieces of the femoral component to one another following their insertion in the incised area of the femur. A tibial component includes multiple pieces designed for assembly following positioning in the incision. The tibial component includes a Morse taper cavity on one piece of the tibial component and a Morse taper extension on another member of the component for receipt therein.

Abstract: A knee arthroplasty prosthesis includes a femoral component having multiple pieces with engagement means provided for engaging various pieces of the femoral component to one another following their insertion in the incised area of the femur. A tibial component includes multiple pieces designed for assembly following positioning in the incision. The tibial component includes a Morse taper cavity on one piece of the tibial component and a Morse taper extension on another member of the component for receipt therein.

Abstract: A tibial tray assembly includes a platform having a stem extending downwardly from a bottom surface and a stem extension couple to the an end of the stem. The stem extension is electrically insulated from the stem. The tibial tray assembly also includes a wireless communication device configured to transmit data using the stem extension as an antenna.

Abstract: Modular bone implants, means of assembly, and their method of use are presented.

Abstract: A system and method for transmitting implant data includes an orthopaedic implant, a wireless receiver, and a processing circuit electrically coupled to the wireless receiver. The orthopaedic implant is configured to transmit implant identification data and implant sensor data to the wireless receiver in response to a power signal. The orthopedic implant may transfer the data over, for example, a wireless network. The processing circuit receives the implant identification data and the implant sensor data from the wireless receiver and is configured to retrieve patient-related data from a database based on the implant identification data. The processing circuit may also be configured to update a patient queue, assign a patient room to a patient, and/or transmit the patient-related data and the implant sensor data to a client machine located in the patient room.

Abstract: An orthopedic prosthetic implant comprises a metal alloy stem element (13, 63, 113), which has one end portion (19, 69, 119) constructed to reside in the medullary cavity of a bone and an integral connector (23, 73, 123) at the opposite end to which crystalline brittle head (17, 67, 117), preferably made of pyrocarbon-coated graphite, is joined. The head interfaces with human bone, and its effective joinder to the stem element is achieved through a polymeric insert (15, 65, 115) of proportional shape and design which has selected elastic properties. The design and material of the polymeric insert allow it to be securely received within an interior cavity (35, 77, 131) of the pyrocarbon-coated graphite head and mated to the stem connector in an either rigidly or bi-polar arrangement. The method of joinder allows the construction of composite implants that utilize the most desirable properties of metallic and brittle crystalline materials.

Abstract: A modular implant system operable to implant into a selected portion of the anatomy. The modular implant system may include an adaptor to allow for interconnection of disparate connection portions to allow for connecting a plurality of connection types. Expanding the modularity of an implant system by allowing interconnection of a plurality of modular implant systems.

Abstract: A modular device for coupling a stem to an end component of an implant. The device includes a plurality of rotatably interconnectable intermediate components for coupling the stem to the end component, such that each intermediate component can be rotated for selectively changing a total offset between the stem and the end component by a relative offset.

Abstract: A press-fit prosthesis for replacing a portion of a bone. The prosthesis can comprise a first side and a second side opposite the first side. The second side can be operable to engage the bone. The prosthesis can include at least one resorbable fixation member coupled to the second side such that the at least one resorbable fixation member does not extend through to the first side. The at least one resorbable fixation member can be coupled offset from a center of the second side. The at least one resorbable fixation member can substantially resist movement of the prosthesis relative to the bone. The at least one resorbable fixation member can resorb at a rate that enables bone in-growth to fixedly couple the prothesis to the bone.

Abstract: The present invention relates to a knee joint prosthesis including femoral and tibial components. The bodies of the components possess a network of channels which may be used to deliver bone cement to the component bone interface after the components are implanted. The body of the femoral component possesses a network of channels which is in communication with a bore on the distal surface of the component which may be used to deliver bone cement into the network of channels after the component is implanted. The body of the tibial component possesses a network of channels which is in communication with a bore on the proximal surface of the component which may be used to deliver bone cement into the network of channels after the component is implanted. The components are suitable for implantation using arthroscopic as well as open surgical procedures. The components may be used as unicondylar implants in either compartment of the knee or in both compartments of the knee.

Abstract: Modular bone implants, manner of assembly, and their method of use are presented. In one form thereof, a tibial component of a knee prosthesis is providing including a tray having substantially planar top and bottom surfaces and an extension forming an elongate body having a top end and a bottom end. One of the tray and extension includes an outwardly projecting boss, with the boss having an outer wall including a cylindrical portion and a tapered portion. The other of the tray and extension includes an inwardly extending bore forming a bore wall, the bore wall including a cylindrical portion and a tapered portion.

Abstract: A knee joint prosthesis for implantation to replace a portion of a knee joint. The knee joint prosthesis includes a tibial tray and a bearing member that engages the tibial tray. The prosthesis also includes an insert with a base that is fixed to the bearing member and an extension portion that extends away from the bearing member and the tibial tray. The extension portion has an axis, and the extension portion includes a threaded portion. The prosthesis further includes a post that is rotatably coupled to the extension portion, and the post is rotatable about the axis of the extension portion relative to the insert. Furthermore, the prosthesis includes a retention member that threadably couples to the threaded portion of the insert to limit movement of the post along the axis away from the bearing member and the tibial tray.