IMDS CORPORATION Patent applications |
Patent application number | Title | Published |
20140277522 | HUMERAL ARTHROPLASTY - Arthroplasty components include an articular surface and a bone-facing surface. The bone-facing surface includes a concave arrangement of planar surfaces which converge as they approach a middle portion of the articular surface. Instruments and implantation methods are also disclosed. | 09-18-2014 |
20140271028 | POLYAXIAL LOCKING INTERFACE - An interlocking interface retains a screw head in a socket to prevent migration of the screw head out of the socket, or to lock the screw head in the socket. The interlocking interface may retain or lock the screw at various polyaxial angles with respect to the socket. The screw head includes external corrugations. The socket includes an internal corrugated structure which interlocks with the external corrugations of the screw head when the screw is at various polyaxial angles with respect to the socket. | 09-18-2014 |
20140257495 | GLENOID ARTHROPLASTY - Arthroplasty components include an articular surface and a bone-facing surface. The bone-facing surface bears at least one anchoring element adapted for an oblique implantation trajectory. The articular surface includes a larger radius of curvature in the superior-inferior direction than in the anterior-posterior direction. An inferior chamfer may be present on the articular surface. Instruments and implantation methods are also disclosed. | 09-11-2014 |
20140135837 | MODULAR PERCUTANEOUS SPINAL FUSION - A posterior spinal fusion system may include pedicle screws and one or more segments designed to be attached to the implanted pedicle screws via nuts to fuse spinal motion segments in a modular fashion. The pedicle screws may have semispherical receiving surfaces, and each segment may have mounting portions at both ends, with corresponding semispherical engagement surfaces. The nuts may also have semispherical surfaces. The semispherical surfaces permit polyaxial adjustment of the relative orientations of the segments and pedicle screws. Each mounting portion may have a passageway therethrough to receive the proximal end of the corresponding pedicle screw; each passageway may intersect the edge of the corresponding engagement surface to facilitate percutaneous placement. Such placement may be carried out through cannulae to provide a minimally invasive (MIS) implantation procedure. | 05-15-2014 |
20140066931 | EXTERNAL FIXATION - External fixation systems, and methods for immobilizing joints or fractured bones. An external fixation system may include one or more clamp assemblies connected to one or more rod assemblies at polyaxial joints. Each rod assembly may be length adjustable, and may include a one-way locking mechanism to provisionally lock the length of the rod assembly, and additional locking mechanisms to permanently lock the length of the rod assembly. The system may be deployed pre-assembled as a unit to immobilize a joint or fracture. Another external fixation system further includes a spanning member extending transverse to the rod assemblies. Two or more external fixation systems may be deployed in a stacked configuration on one set of bone pins to immobilize two joints and/or fractures. The systems may be provided in kits including guiding instrumentation, bone pins and pin clamping assemblies for connecting the bone pins to the external fixation systems. | 03-06-2014 |
20140039632 | GLENOID VAULT FIXATION SYSTEM - A glenoid vault fixation device includes a body and at least one blade anchor. Interchangeable glenoid articular components connect to the body. The set of interchangeable components may address a continuum of glenoid and/or total shoulder indications. The body may provide multiple attachment points for the blade anchor, or may accept multiple anchors. | 02-06-2014 |
20140031932 | DOUBLE BUNDLE ACL REPAIR - A system for single tunnel, double bundle anterior cruciate ligament reconstruction includes implant constructs and instruments. The implant constructs provide a combination of cortical fixation and bone tunnel aperture fixation. The implant constructs separate a graft into distinct bundles. The instruments are used to prepare shaped bone tunnels to receive the implant constructs and graft bundles. Methods for reconstructing the antero-medial and postero-lateral bundles of the anterior cruciate ligament may rely on single femoral and tibial tunnels and a single strand of graft. | 01-30-2014 |
20140020690 | ADJUSTABLE FOOT POSITIONING SYSTEM - A limb positioner apparatus includes a stabilizing plate and a movable positioning plate for arrangement about a joint or fracture. The movable plate is movable with respect to the stabilizing plate about three mutually perpendicular planes which intersect at a point corresponding to a center of rotation of the joint or fracture. The positioning plate may also be movable with respect to the stabilizing plate along at least one linear direction. At least some of the available degrees of freedom are selectively lockable. The apparatus is illustrated in the context of the foot and ankle. Methods of use are disclosed. | 01-23-2014 |
20140018834 | Curved Burr Surgical Instrument - A tissue resection device may include an hourglass shaped bun to resect tissue according to the shape and curvature of the hourglass shaped burr. The tissue resection device may also include a depth stop window and a movable protective guard to control the amount of cutting. | 01-16-2014 |
20140012388 | RADIAL HEAD PROSTHESES AND TRIALS - Radial head prostheses and trialing devices. A radial head prosthesis includes a head component and a stem component, and may include an intermediate component. The head component may be offset from the stem component. The head component includes a bearing surface having an axis of rotation, which may be radially and/or angularly offset from the central longitudinal axis of the stem component. A radial head trialing device may include cutting edges for resection of a distal radius. Another trialing device may allow for adjusting the radial offset and/or angular position of a trial head component from a trial stem component. | 01-09-2014 |
20140012383 | EXPANDABLE INTERVERTEBRAL IMPLANTS AND INSTRUMENTS - Systems for interbody fusion of adjacent bone portions may include an expanding implant and related instruments. An expanding implant may be formed as a linkage which is movable between a compact configuration and an expanded configuration. A shaft of the implant may increase and decrease in length to move between the compact and expanded configurations, and an implant width perpendicular to the length may be increased in the expanded configuration. The implant width may increase more in a first direction than a second direction opposite the first direction. An inserter instrument may releasably grasp the spacer and transform the implant between the compact and expanded configurations. | 01-09-2014 |
20130331941 | DOUBLE BUNDLE ACL REPAIR SYSTEM - A system for single tunnel, double bundle anterior cruciate ligament reconstruction includes implant constructs and instruments. The implant constructs provide a combination of cortical fixation and bone tunnel aperture fixation. The implant constructs separate a graft into distinct bundles. The instruments are used to prepare shaped bone tunnels to receive the implant constructs and graft bundles. Methods for reconstructing the antero-medial and postero-lateral bundles of the anterior cruciate ligament may rely on single femoral and tibial tunnels and a single strand of graft. | 12-12-2013 |
20130325009 | JOINT ARTHRODESIS AND ARTHROPLASTY - An implantable fixation system for fusing a joint between a first bone and a second bone. The system may include an intramedullary nail and an anchor. The intramedullary nail may include a standoff and a compression bolt. The system may be implanted across the joint along an intramedullary trajectory. The length of the system may be adjustable to provide compressive force between the anchor and the compression bolt. The system may be implanted across a tibiotalar joint with the anchor positioned in the sinus tarsi. A spacing member may be inserted between the two bones and the fixation system implanted to extend through an opening in the spacing member. The spacing member may be anatomically shaped and/or provide deformity correction. An ankle arthroplasty system may include a tibial plate, a talar plate, and a bearing insert. The plates may be anchored to the tibia and talus along a single trajectory. The ankle arthroplasty system may be revisable to a fusion system. | 12-05-2013 |
20130289585 | TISSUE FIXATION DEVICE - Tissue fixation members interact with a housing to hold tissue relative to the housing and allow the orientation and position of the grasped tissue to be manipulated with improved efficacy. The tissue fixation members can be easily and quickly moved between deployed and retracted positions to reversibly grasp and release tissue. | 10-31-2013 |
20130267956 | BLADE ANCHOR FOR FOOT AND ANKLE - Fixation devices for the foot and ankle are based on a design with a central portion between a pair of blade anchors. The central portion may include sharpening, apertures, notches, or protrusions. The fixation devices may engage two or more bone portions. | 10-10-2013 |
20130245686 | COMPACT LINE LOCKS AND METHODS - A line lock includes a body at least partially bounding two passageways that cooperate to receive a locking portion of a line such as a suture in such a manner that the locking portion can only be drawn through the passageways along one direction. A second suture locking portion may also be received by the passageways, or by one of the two passageways in combination with a third passageway. The body may have an elongated, compact shape that is easily implantable in the body. | 09-19-2013 |
20130238083 | SYSTEMS AND METHODS FOR ANEURYSM TREATMENT AND VESSEL OCCLUSION - A system for treating an aneurysm includes an expandable barrier positionable to bridge an aneurysm neck. The barrier may comprise a fiber mesh, a balloon or a molly anchor member, and may unroll, unfold, or inflate from a compact configuration to an expanded configuration. Expansion of the barrier may be greater radially than axially. A vaso-occlusive member comprising a coil or balloon may be deposited in the aneurysm. Another aneurysm treatment system comprises an outer fenestrated stent and/or an inner fenestrated sleeve, which may be implanted together adjacent an aneurysm neck to regulate blood flow to the aneurysm. The sleeve may be movable relative to the stent to open or occlude the fenestrations, which may vary in size, shape, and distribution. An intra-luminal vessel occlusion device comprises a stent and a sheath. A drawstring may be actuated to gradually close a sheath orifice to control blood flow through the vessel. | 09-12-2013 |
20130211408 | Curved Arthroscopic Burr and Measurement Instrumentation - A tissue resection device includes a housing, a drive shaft, and a set of cutting inserts arranged in sequence. The cutting inserts are connected in the sequence by off-axis torque couplings so that each cutting insert may lie at an angle to an adjacent cutting insert. Each cutting insert includes at least one cutting edge, and the cutting edges in sequence form a cutting profile which may include a combination of straight and curved sections. The housing may be curved. Rotation of the drive shaft rotates the set of cutting inserts to form a cutting burr. | 08-15-2013 |
20130204247 | Ergonomic Handle for Surgical Instrument - A surgical instrument handle includes adaptations for improved ergonomics, such as broad, rounded hand-contacting surfaces and physiologic range of motion for instrument actuation. The handle may be mostly enclosed by the hand in use, and may be stabilized by the palm, ring finger, and little finger. One example includes a ratchet mechanism and release button. | 08-08-2013 |
20130190827 | Blade Fixation for Ankle Fusion and Arthroplasty - Systems for lower extremity fusion and arthroplasty include fusion spacers, bone plates, and articular prostheses fixed to bone by blade anchors. Examples are shown for anterior, lateral, and medial approaches. | 07-25-2013 |
20130178900 | Porous Implants - A porous PEEK implant system which may provide tissue ingrowth throughout the body of the implant. The implant may comprise a solid or porous PEEK core. The porous PEEK implants may be of general shape and size but provide the structure necessary to carry out the function of the implant. The porous PEEK implant pores may be seeded with agents to encourage tissue ingrowth as well as other agents such as antibiotics, anesthetics, analgesics and the like. | 07-11-2013 |
20130178898 | TISSUE APPROXIMATION - Systems and methods for approximating tissue using suture are described. The systems include at least one suture with a locking portion that is integral to the suture. The locking portion may be an expanded portion of the suture body. The locking portion may receive a plurality of snares that work to carry the at least one end of the suture through the locking portion. The systems may also include suture anchors and external locking mechanisms such as a tubular sheath. The systems may be used to approximate two soft tissue portions together, or a soft tissue and a bone portion together. | 07-11-2013 |
20130165973 | COMPACT LINE LOCKS AND METHODS - A line lock includes a body at least partially bounding two passageways that cooperate to receive a locking portion of a line such as a suture in such a manner that the locking portion can only be drawn through the passageways along one direction. A second suture locking portion may also be received by the passageways, or by one of the two passageways in combination with a third passageway. The body may have an elongated, compact shape that is easily implantable in the body. | 06-27-2013 |
20130165939 | Patient Specific Implants and Instrumentation For Patellar Prostheses - Patient specific implants and instrumentation for replacing a portion of a patella. Methods for producing patient specific implants and instrumentation include conducting imaging studies of the patient's native patella, deriving measurements of the patella and surrounding soft tissues from the imaging studies, manufacturing customized implants and instrumentation specific to the derived measurements, and implanting a customized implant using the customized instrumentation. Patient specific instrumentation includes: a patellar clamp ring, an anterior clamp, a restraining arm, a posterior clamping surface, a dual bore reaming collet, a reamer, a reaming depth gauge, and a resection cutting guide. Patient specific portions of a patellar implant include: topography of the posterior articular surface, facet angle, shape and dimensions of the anterior attachment surface, implant length, implant width, implant thickness and the outer perimeter shape of the implant. | 06-27-2013 |
20130165938 | PROSTHETIC FEMORAL STEM FOR USE IN HIGH IMPACT HIP REPLACEMENT - A total hip femoral prosthesis provides a shortened neck and more proximal coating level. Additionally, a means for strengthening the neck may be incorporated to increase stress transfer to the native bone. A method for reducing potential impingement that results from a high neck resection level includes instrumentation for cutting chamfered surfaces into the bone surrounding the proximal end of the implant. Instrumentation and methods of creating chamfered cuts are disclosed. | 06-27-2013 |
20130150975 | Shoulder Arthroplasty - A joint prosthesis system, specifically a shoulder prosthesis, for shoulder replacement, revision and repair. The implants provide fixation into the best bone available to a surgeon. The implants are used in a superior-inferior and anterior-posterior construct forming a type of cross or X-shape. The implants allow for interchangeability of the articulating component as well as rotational orientation. The systems will allow for augments to accommodate bone loss. The implants may allow for additional security using screws or anchors inserted into the scapula. | 06-13-2013 |
20130144343 | Sacroiliac Fusion Cage - Devices for sacroiliac joint fusion may be implanted from an anterior, posterior, or lateral approach. Multiple devices may be used in a single fusion procedure. Some examples include blade anchors which extend from a central beam, pin, cage, or body. | 06-06-2013 |
20130123863 | Blade Anchor Systems for Bone Fusion - Fusion devices include blade anchors. The blade anchors may slidingly penetrate a bone or bone fragment, and may induce compression of one bone to another or one fragment to another. The fusion devices may also include a body to which the blade anchors connect. | 05-16-2013 |
20130123848 | FACET FIXATION SYSTEMS - Facet fixation implants include a cap member with a circular base portion and an eccentric raised portion. The raised portion includes first and second lobes and is smoothly contoured to provide an unobtrusive profile when implanted. Beveled teeth project from the implant to provide fixation and compression across the facet joint. The cap member includes an offset aperture which receives a fastener. Tools, guiding instruments and methods for implantation of the implants are disclosed. | 05-16-2013 |
20130103001 | Side-Loading Torque Device - A surgical instrument for grasping and controlling a guide wire includes a male member having a longitudinal slit in communication with an inner hollow bore and a female member having a longitudinal slit in communication with an inner chamber. The male member is rotatably engageable within at least a portion of the female member. A method of threading a guide wire into a surgical instrument includes engaging a male member within a female member, rotating the male member relative to the female member until a longitudinal slit of the male member is aligned with a longitudinal slit of the female member; inserting a guide wire through the slits and into an interior of the male member and female member; and rotating the male member relative to the female member until the slits of the male member and female member are not aligned, trapping the guide wire within the surgical instrument. | 04-25-2013 |
20130096677 | ACL IMPLANTS, INSTRUMENTS, AND METHODS - Systems for single tunnel, double bundle anterior cruciate ligament reconstruction include implant constructs and instruments. The implant constructs provide a combination of cortical fixation and bone tunnel aperture fixation. The implant constructs separate a graft into distinct bundles. The instruments are used to prepare shaped bone tunnels to receive the implant constructs and graft bundles. The instruments are also used to exercise and insert the ligament graft constructs. Methods for reconstructing the antero-medial and postero-lateral bundles of the anterior cruciate ligament may rely on a single femoral tunnel, single or double tibial tunnels, and one or more ligament grafts. | 04-18-2013 |
20130053877 | Multiple Function Surgical Instrument - A surgical instrument includes first and second jaw members which are pivotable between closed, grasping, and cutting configurations. A spring-driven safety feature prevents unintentional movement of the first and second jaw members into the cutting configuration. The instrument allows the user to perform separate tissue grasping and cutting actions without changing instruments or removing the instrument from the surgical site. | 02-28-2013 |
20130018395 | SURGICAL IMPLANT DEPLOYMENT DEVICE - An apparatus, method, and system for the deployment of surgical mesh material, which are particularly suited for use in the laparoscopic surgical repair of hernias. Any suitable surgical mesh can be placed between at least two elongate retaining members; wrapped around the elongate retaining members; inserted into a patient; and then deployed using at least two elongate deploying members on either side of the mesh. | 01-17-2013 |
20120310242 | Collet Fixation System - A bone fixation assembly which may include a bone fixation element, a collet and a flexible line. The bone fixation element may comprise a first and second passageway and at least the first passageway is configured to receive the collet. The flexible line passes through both passageways and is secured through the second passageway. The collet may be advanced into the first passageway causing the collet to circumferentially engage the flexible line fixing it in place. Instrumentation for securing the collet includes a collet driver, a counter torque instrument and a tensioner. | 12-06-2012 |
20120283830 | DOUBLE BUNDLE ACL REPAIR - A system for single tunnel, double bundle anterior cruciate ligament reconstruction includes implant constructs and instruments. The implant constructs provide a combination of cortical fixation and bone tunnel aperture fixation. The implant constructs separate a graft into distinct bundles. The instruments are used to prepare shaped bone tunnels to receive the implant constructs and graft bundles. Methods for reconstructing the antero-medial and postero-lateral bundles of the anterior cruciate ligament may rely on single femoral and tibial tunnels and a single strand of graft. | 11-08-2012 |