Patents Assigned to LDR Medical
  • Patent number: 10779953
    Abstract: This disclosure provides vertebral implants, fastening devices for vertebral implants, and implant instrumentation, and various combinations thereof. In some embodiments, the implant comprises a peripheral wall extending according to a vertical axis between upper and lower surfaces of the implant, with each such surface configured to be placed in contact with a vertebral structure, respectively, at the top and the bottom of the vertebral segment replaced by the implant. Some embodiments comprise fastening means, deployment of which anchors the implant in the lower and upper vertebral structures. Some fastening means may be deployed by sliding parallel to the vertical axis of the implant, and may comprise a plate with at least one part remaining in contact with the peripheral wall of the implant when deployed and a pointed end projecting from one of the upper and lower surfaces of the implant to enter a vertebral structures on completion of deployment.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: September 22, 2020
    Assignee: LDR Medical
    Inventors: Herve Dinville, Samuel Lequette
  • Patent number: 10765531
    Abstract: 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.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: September 8, 2020
    Assignee: LDR Medical, S.A.S.
    Inventors: Seo-Kon Kim, Il Kim
  • Patent number: 10758363
    Abstract: 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.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: September 1, 2020
    Assignee: LDR Medical
    Inventors: Reginald J. Davis, Kevin Kaufman, Gregory A Hoffman, Alan W McGee, Jean Huppert, Hugues Mousselard, Ludovic Rillardon
  • Patent number: 10751187
    Abstract: 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.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: August 25, 2020
    Assignee: LDR Medical
    Inventors: Jerome Allain, Jean Lombard, Jeff Phelps, Pierce Nunley, Charles Gordon, Vincent Leone, Michael Hisey
  • Patent number: 10702391
    Abstract: 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 s
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: July 7, 2020
    Assignee: LDR Medical, S.A.S.
    Inventors: Marc Ameil, Daniel D. Lee, Paul Henry Cho
  • Patent number: 10687877
    Abstract: 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).
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: June 23, 2020
    Assignee: LDR Medical
    Inventors: Christophe Lavigne, Patrick Richard, Alexis Mercier, Samuel Lequette
  • Patent number: 10631996
    Abstract: 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.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: April 28, 2020
    Assignee: LDR Medical, S.A.S.
    Inventors: Pierre Bernard, Hervé Chataigner, Craig Chebuhar, Alexander Kirgis, Ross Sherban, Samuel Lequette, Emmanuel Bougere, Aymeric Fresneau, Nicolas Roche
  • Patent number: 10624756
    Abstract: 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.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: April 21, 2020
    Assignee: LDR Medical, S.A.S.
    Inventors: Pierre Bernard, Hervé Chataigner, Craig Chebuhar, Alexander Kirgis, Ross Sherban, Samuel Lequette, Emmanuel Bougere, Aymeric Fresneau
  • Patent number: 10603185
    Abstract: 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. Instrumentation for insertion of the prostheses into intervertebral spaces is also described.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 31, 2020
    Assignee: LDR Medical
    Inventors: Istvan Hovorka, Pierre Bernard
  • Patent number: 10561502
    Abstract: 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.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: February 18, 2020
    Assignee: LDR Medical, S.A.S.
    Inventors: Pierre Bernard, Hervé Chataigner, Craig Chebuhar, Alexander Kirgis, Ross Sherban, Samuel Lequette, Emmanuel Bougere, Aymeric Fresneau, Nicolas Roche
  • Patent number: 10531961
    Abstract: 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. In some preferred configurations, anchoring device comprises withdrawal stops or latches, and/or means for withdrawing the anchor from an inserted position.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: January 14, 2020
    Assignee: LDR Medical
    Inventors: Hervé Dinville, Samuel Lequette, Manuel Delhaye, Henry François Parent, Alexis Faline, Pablo Lawner, Faissal Zahrawi, Thomas Bierstedt
  • Patent number: 10517652
    Abstract: The present invention relates to an interspinous implant, intended to be implanted between two adjacent dorsal spines, each including an upper edge, a lower edge and two opposed lateral faces, wherein the implant includes at least one body with dimensions arranged so as to maintain or restore a distance between the adjacent edges of the two spinous processes and including at least two wings extending so that at least a part of each wing lies along at least a part of one lateral face of one of the two spinous processes and, additionally, at least one retainer for the implant, designed to retain the body of the implant between the two spinous processes and to be inserted from the same lateral face as the body.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: December 31, 2019
    Assignee: LDR Medical
    Inventors: Herve Dinville, Samuel Lequette, Alexandre Jodaitis, Richard Wohns, Philippe Tisserand, Laurent Zabee
  • Patent number: 10492919
    Abstract: 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.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: December 3, 2019
    Assignee: LDR Medical
    Inventors: Ralph Rashbaum, Kee D. Kim, Hyun Bae
  • Patent number: 10485591
    Abstract: An anchoring system for the implantation of at least one anchoring device in at least one preferably bone tissue, the system is disclosed, with some embodiments comprising: at least one anchoring device comprising a curved body extending between an anterior end intended to penetrate without any deformation in the bone tissue and a posterior end intended to remain turned outward of the bone tissue, at least one guide extending along a longitudinal axis between a posterior end and an anterior end and comprising at least one guiding surface, substantially along the longitudinal axis, able to guide at least one anchoring device.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: November 26, 2019
    Assignee: LDR Medical, S.A.S.
    Inventors: Samuel Lequette, Emmanuel Bougere, Nicolas Bidegaimberry, Aymeric Fresneau
  • Patent number: 10478310
    Abstract: This disclosure provides various vertebral implants, devices for attaching a vertebral implant and implantation instrumentations. In some embodiments, the implant includes a first body and a second body, each having a face with shapes and dimensions mating that of the other body and forming mutual fitting means, thus allowing assembly of the bodies by sliding along a sliding axis. In some embodiments, a locking means is retained in one of the bodies and an abutment portion may move from an open position allowing sliding for the assembling of the bodies to a closed position locking the bodies in assembly by the contact between the abutment portion, by contact with an abutment of the other body, the abutment being oriented angularly to the sliding axis and the abutment portion passing from the open position to the closed position elastically by flexure or torsion.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 19, 2019
    Assignee: LDR Medical, S.A.S.
    Inventors: Marc Ameil, Daniel D. Lee, Paul Henry Cho
  • Patent number: 10478234
    Abstract: The present invention relates to an interspinous implant, intended to be implanted between two adjacent dorsal spines, each including an upper edge, a lower edge and two opposed lateral faces, wherein the implant includes at least one body with dimensions arranged so as to maintain or restore a distance between the adjacent edges of the two spinous processes and including at least two wings extending so that at least a part of each wing lies along at least a part of one lateral face of one of the two spinous processes and, additionally, at least one retainer for the implant, designed to retain the body of the implant between the two spinous processes and to be inserted from the same lateral face as the body.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: November 19, 2019
    Assignee: LDR Medical
    Inventors: Herve Dinville, Samuel Lequette, Alexandre Jodaitis, Richard Wohns, Philippe Tisserand, Laurent Zabee
  • Patent number: 10456268
    Abstract: The present invention relates to a spinal arthrodesis system including at least two types of implants from among the three following types: an intersomatic implant (IS), including at least one passage (40) mating at least one anchoring device (1); an interspinous implant (IE), including at least two wings able to run along a portion of the vertebral spines (EI, ES); a facet implant (IF) including a bone attachment.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: October 29, 2019
    Assignee: LDR Medical, S.A.S.
    Inventors: Alexis Mercier, Samuel Lequette
  • Patent number: 10398574
    Abstract: 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. The insertion adapter may be configured to retain the prosthesis and to engage an insertion tool body. In various embodiments, the prosthesis and the insertion holder are provided in a sterile pack, with the prosthesis components and the insertion holder sterilized and packaged in one or more types or layers of sterile packaging. In various other embodiments, the prosthesis and an insertion tool are provided in a sterile pack, with the prosthesis components and the insertion tool sterilized and packaged in one or more types or layers of sterile packaging.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: September 3, 2019
    Assignee: LDR Medical
    Inventors: Alexandre Jodaitis, Herve Dinville, Alexis Mercier
  • Patent number: 10369009
    Abstract: The present invention relates to a vertebral system comprising a vertebral implant (2) and a plurality of inserts, said implant being designed to be implanted in a vertebral segment composed of at least two vertebrae and including a body (20) the walls whereof delimit a cavity (23) leading to the outside of the body (20) through at least one opening in at least one of said walls, at least one passage (21) passing through the implant (2) from the periphery to an upper or lower surface to receive a bone-anchoring device (1) capable of anchoring the implant (2) in at least one of said vertebrae, the system being characterized in that it includes at least two inserts selected from among the following inserts: at least one graft insert (3, 3A, 3B, 4, 5A, 5B, 6A, 6B, 6C, 6D, 202, 250) capable of being colonized by bone tissue and/or receiving at least one bone tissue graft and/or at least one substitute; and/or at least one bone-anchoring insert (210) comprising said passage (21) capable of receiving said bone-a
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: August 6, 2019
    Assignee: LDR Medical, S.A.S.
    Inventors: Florian Joly, Edouard Jouan, Alexis Mercier, Thierry Millard
  • Patent number: 10350083
    Abstract: Various embodiments of intervertebral implants, anchoring devices for intervertebral implants, and implantation instrumentation are provided, along with various embodiments of methods for using one or more of the devices. Some embodiments of an anchoring device have a body comprising at least one curve and a rigid plate elongated along a longitudinal axis so that its front end enters at least one vertebra while its rear end remains in the passage of an implant. In some embodiments, the plate comprises at least one longitudinal slot separating at least one posterior portion of the plate into two branches, with at least one branch comprising at least one withdrawal stop configured to retain the device in the implant.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: July 16, 2019
    Assignee: LDR Medical
    Inventors: Hervé Chataigner, Craig Chebuhar, Hervé Dinville, Emmanuel Bougere