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Ldr Medical
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Ldr Medical patents


Recent patent applications related to Ldr Medical. Ldr Medical is listed as an Agent/Assignee. Note: Ldr Medical may have other listings under different names/spellings. We're not affiliated with Ldr Medical, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Ldr Medical-related inventors


Expansible intervertebral implant

Various embodiments of an intervertebral implant comprise a body extending longitudinally along a primary axis, a baseplate, a plurality of elongated arms having a vertebral support surface, the arms being articulated such that the implant has a folded-back position in which the arms are close to each other, and a deployed position in which the arms are moved away from each other, and expansion means between the folded-back and deployed positions, comprising at least two branches pivotably mounted relative to each other and attached to the elongated arms by guide means such that translation of the expansion means parallel to the primary axis causes pivoting of the branches and moves the arms away from each other.. . ... Ldr Medical

Expansible intersomatic cage

Various embodiments comprise an expansible intervertebral implant intended to be implanted in a space between two adjacent vertebrae to at least partly supplant an intervertebral disc, said implant being able to expand along three substantially mutually orthogonal axes so as to comply with the lordosis of the patient while still having increased stability and reliability.. . ... Ldr Medical

Expansible intersomatic cage

An expansible intervertebral implant is disclosed, various embodiments of which comprise an elongated body along a longitudinal axis comprised between a proximal end and a distal end, a flexible arm mounted in the vicinity of the distal end of the longitudinal body and movable between: a folded-back position with the arm substantially parallel to the axis, and a deployed position with the arm not parallel to the axis and away from the body to expand said implant along an axis, by assuming the general shape of a circular arc, a means for deployment of said flexible arm for deploying the latter from the folded-back position to the deployed position, by the sliding of a proximal portion of said flexible arm with respect to the body inducing an increase in the space occupied by the implant, greater than the space of the implant in the folded-back position.. . ... Ldr Medical

Cage having spike

Disclosed is a cage which is inserted between vertebral bodies of a cervical vertebra or spine during an operation for treating a cervical disc disease, myelosis, or fracture of the cervical vertebra or spine, and more particularly, to a cage with spikes, including upper and lower spikes which are attached to a clip inserted into a main body of the cage, unfolded upward and downward from the main body, and locked to vertebral bodies of a cervical vertebra or spine positioned at the top and bottom of the cage such that the cage is fixed and locked between the vertebral bodies.. . ... Ldr Medical

Intersomatic cage, intervertebral prosthesis, anchoring device and implantation instruments

An intersomatic cage, an intervertebral prosthesis, an anchoring device and an instrument for implantation of the cage or the prosthesis and the anchoring device are provided. An intersomatic cage or an intervertebral prosthesis fit closely to the anchoring device, which includes a body of elongated shape on a longitudinal axis, of curved shape describing, along the longitudinal axis, an arc whose dimensions and radius of curvature are designed in such a manner that the anchoring device may be implanted in the vertebral plate of a vertebra by presenting its longitudinal axis substantially along the plane of the intervertebral space, where the anchoring device is inserted, by means of the instrument, through a slot located in at least one peripheral wall of the cage or on at least one plate of the intervertebral disc prosthesis to penetrate into at least one vertebral plate.. ... Ldr Medical

Intervertebral disc prosthesis, surgical methods, and fitting tools

An intervertebral disc prosthesis designed to be substituted for fibrocartilaginous discs ensures a connection between the vertebra of the vertebra column or the end of the latter. The prosthesis includes a pair of plates spaced from each other by a nucleus. ... Ldr Medical

Anchoring device and system for an intervertebral implant, intervertebral implant and implantation instrument

Anchoring devices, anchoring systems for intervertebral implants, intervertebral implants, and instruments and methods for implanting implants are disclosed. In preferred configurations, these various objects share the feature of comprising or cooperating with an anchoring device having a body comprising at least one curved plate elongated along a longitudinal axis, designed to be inserted through a passage crossing at least a part of implant, in order to penetrate into at least one vertebral endplate and attach implant onto this vertebral endplate by means of at least one stop retaining the implant, characterized in that the body comprises at least one longitudinal rib on at least a part of at least one of its faces, said rib being designed to cooperate with a groove made in passage of implant. ... Ldr Medical

Spinal osteosynthesis device and preparation method

A spinal internal implantation device for osteosynthesis has one or more bars for supporting for moving the spine and at least one implant for connecting the bars and vertebrae. The implant includes a blown anchor attached to a body of the implant and a fixation arrangement for the bars. ... Ldr Medical

Vertebral support device

A vertebral support device (1) is disclosed, which in various embodiments comprises at least two osseous anchoring implants (2), each designed to be anchored to a vertebra, and at least one linking element (3) fixed to the osseous anchoring implants (2) by fasteners (20) that maintain a fixed angle between the longitudinal axis (l) of the linking element (3) passing through rigid elements (34) of the linking element (3) and the insertion axis (dv) of the implants (2). The linking element (3) includes at least one elastic dampening element (31) that that allows the implant-bearing vertebrae some freedom of movement. ... Ldr Medical

Transforaminal intersomatic cage for an intervertebral fusion graft and an instrument for implanting the cage

This disclosure presents various embodiments of a transforaminal intersomatic cage for an intervertebral fusion graft, and an instrument and method for implanting the cage, an embodiment of the cage having a body in the shape of a circular arc and comprising a lateral concave surface, a lateral convex surface, a straight upper surface, a straight lower surface and an end wall having at least one hole, called the end hole, designed to receive a rod of an instrument for implanting the cage between the vertebrae, wherein: the end hole has an orientation that is more or less tangential to the circular arc described by the body; the extremity opposite to the end wall of the body includes a return part extending the body toward the center of the circle on which the circular arc described by the body lies.. . ... Ldr Medical

Ldr Medical

. . ... Ldr Medical

Vertebral cage device with modular fixation

Various embodiments of intervertebral arthrodesis devices for insertion in an intervertebral space separating opposite faces of two adjacent vertebrae are disclosed. In one embodiment, the device has a ring shaped intervertebral cage having a bar that extends perpendicular to the axis of the spine, the bar has a height less than the rest of the cage, and a surface of the cage contacting the vertebrae has an undulating shape for limiting sliding of the cage in a plane parallel to the vertebrae faces.. ... Ldr Medical

Intervertebral disc prosthesis

This disclosure relates to intervertebral disc prostheses which may have an upper plate, a lower plate, and a mobile core, with the upper surface of the core being in contact with at least a part of the lower surface of the upper plate. In some configurations, limit stops reduce friction while limiting or preventing the movements of the core relative to the lower plate, in translation and in rotation, respectively, along an axis substantially parallel to the lower plate and about an axis substantially perpendicular to the lower plate. ... Ldr Medical

Ldr Medical

. . ... Ldr Medical

09/07/17 / #20170252179

Intervertebral disc prosthesis

An intervertebral disc prosthesis is disclosed comprising at least two plates, namely first and second plates, articulated about each other by means of a curved surface, namely articulation, of at least one of the plates, each of the plates comprising a surface known as a contact surface, intended to be in contact with a vertebral plate of one of the vertebrae between which the prosthesis is intended to be inserted, this contact surface for each of the plates comprising a geometrical centre at equal distance from at least two diametrically opposite points located on the periphery of the plate, in which the geometric centres of the plates are not vertically aligned, this off-setting of the geometrical centres of the plates engendering an off-setting of the edges of the plates in at least one direction perpendicular to the vertical axis of the spinal column.. . ... Ldr Medical

08/31/17 / #the present invention relates to a spinal arthrodesis system including at least two types of implants from among the three following types:

Ldr Medical

. . ... Ldr Medical

08/31/17 / #20170246007

Anchoring device for a spinal implant, spinal implant and implantation instrumentation

Anchoring devices for rachidian implants, implants, surgical instruments, and surgical systems and methods are disclosed. In some embodiments, an anchor comprises a stiff plate with a longitudinal axis, configured for penetration of its anterior end into a vertebral surface while its posterior end remains engaged with the implant. ... Ldr Medical

08/10/17 / #20170224393

Bone implants

The present invention relates to an implant, to an instrument for implantation of the latter and to a method for manufacturing this implant which includes an elongated body (10) between a free end and a head (18) along a longitudinal axis on the one hand and turns (12) of at least one threading on at least one portion of said body (10) in proximity to the free end, along the longitudinal axis on the other hand, characterized in that the body (10) includes a longitudinal internal conduit (11) in at least one portion along the longitudinal axis, obtained by at least one first central machining operation parallel to the longitudinal axis and at least one second machining operation in a so-called transverse plane, not parallel to the longitudinal axis and crossing the wall of the body (10) as far as the longitudinal internal conduit (11) by making windows (15) communicating between said longitudinal internal conduit (11) and the outside of the body (10).. . ... Ldr Medical

08/03/17 / #20170216048

Intervertebral disc prosthesis

The present invention relates to an intervertebral disc prosthesis comprising at least three pieces including an upper plate, a lower plate, and a movable core at least in relation to a plate, wherein it also comprises at least one elongated movable osseous anchor comprising an insertion end disposed at a first longitudinal end of the anchor and a retention end disposed at a second longitudinal end of the anchor and a plate-like body disposed between the insertion end and the retention end.. . ... Ldr Medical

07/27/17 / #20170209181

Implant for osseous anchoring with polyaxial head

An osseous anchorage implant comprising an attachment structure adapted to receive and be attached to at least one bar is disclosed. The implant is made up of an osseous anchor and an attachment head bearing the attachment means. ... Ldr Medical

07/13/17 / #20170196596

Plate for osteosynthesis device and method of preassembling such device

Various methods, devices, and systems are disclosed that facilitate easier and more compact implantation of osteosynthesis devices. In some embodiments, implants are screwed into two vertebrae and a plate is used to hold and displace the spine. ... Ldr Medical

06/22/17 / #20170172761

Nucleus prosthesis

An nucleus prosthesis is disclosed having a plurality of linked segments configured to form, in a closed position, a disc shape. A method includes inserting a plurality of linked segments into an annulus fibrosus and closing the prosthesis so that a first segment inserted into the annulus fibrosus and a last segment inserted into the annulus fibrosus are substantially abutted. ... Ldr Medical

04/27/17 / #20170112636

Intervertebral disc prosthesis insertion assemblies

In various embodiments, an intervertebral disc prosthesis is provided. The prosthesis may be provided with an insertion adapter, such as a head, holder, or other carrier of the prosthesis. ... Ldr Medical

03/16/17 / #20170071754

Intervertebral disc prosthesis

The present invention relates to an intervertebral disc prosthesis preferably comprising at least three pieces including an upper plate (1), a lower plate (2) and a mobile core (3) at least in relation to the lower plate (2), co-operation means (23, 33) allowing to limit or eliminate the movements of the core (3) in relation to the lower plate (2), in translation and in rotation, respectively, about an axis substantially parallel to the lower plate (2) and about an axis substantially perpendicular to the lower plate (2), at least one part of the surface of at least one plate being concave and complementary with a convex surface (30) of the core (3), with which it is in contact, wherein the tip (31) of the convex surface (30) of the core (3) is off centre, in at least one direction, in relation to the centre (32) of this convex surface (30).. . ... Ldr Medical

03/02/17 / #20170056198

Vertebral implant, device for vertebral attachment of the implant and instrumentation for implantation thereof

The present invention relates to a vertebral implant, in particular for corpectomy, to a device for attaching a vertebral implant and to implantation instrumentation, the implant including at least one first body (2) and at least one second body (3) each having at least one face having shapes and dimensions mating those of at least one face of another body (3, 2) and forming mutual fitting means, in order to allow assembling of said bodies (2, 3) by sliding along a sliding axis and, on the other hand, at least one locking means (4) retained in at least one of the bodies (2, 3) and at least one abutment portion of which is laid out for passing from a so-called open position, allowing sliding for the assembling of said bodies (2, 3), to a so-called closed position, locking said bodies (2, 3) assembled together by the contact between at least said abutment portion and at least one abutment (42, 43) of at least one of said bodies (2, 3), said abutment (42, 43) being oriented not parallel to the sliding axis and said abutment portion passing from the open position to the closed position elastically by flexure or torsion.. . ... Ldr Medical

02/16/17 / #20170042692

Devices, methods, and systems to implant and secure a fusion cage or intervertebral prosthesis for spinal treatment

Various devices, methods, and systems to implant and secure a fusion cage or intervertebral prosthesis during treatment of spinal injury or disease are provided. In various embodiments, such devices may comprise an instrument assembly having a body comprising a head, a shaft, and a handle; an insertion stop; and an intervertebral device retainer. ... Ldr Medical

02/02/17 / #20170027620

Interspinous implant and instrument for implanting an interspinous implant

The present invention relates to an interspinous implant (1), intended to be implanted between two adjacent dorsal spines (ei,es), each including an upper edge (e2), a lower edge (e3) and two opposed lateral faces (e4, e5), wherein the implant (1) includes at least one body (10) with dimensions arranged so as to maintain or restore a distance between the adjacent edges (e2, e3) of the two spinous processes (ei, es) and including at least two wings (11, 12) extending so that at least a part of each wing (11, 12) lies along at least a part of one lateral face (e4, e5) of one of the two spinous processes (ei, es) and, additionally, at least one retainer (2, 3, 4, 7, 111, 121, 221, 24, 28, 29, l, 90) for the implant, designed to retain the body (10) of the implant between the two spinous processes and to be inserted from the same lateral face as the body (10).. . ... Ldr Medical








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