Patents Assigned to K2M
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Publication number: 20140142642Abstract: An instrument for inserting a spinal implant into an intervertebral space is disclosed. The instrument includes an elongated body having inner and outer shafts configured to longitudinally translate with respect to each other, a holding tip which is configured to articulate with respect to the elongated body in response to the longitudinal translation of the inner and outer shafts, and a driveshaft assembly configured to cooperate with the articulation of the holding tip and secure a spinal implant to the instrument. A spinal implant and a system for inserting a spinal implant into an intervertebral space including an insertion instrument and a spinal implant are also disclosed.Type: ApplicationFiled: November 21, 2012Publication date: May 22, 2014Applicant: K2M, INC.Inventors: Todd Wallenstein, George Miz, John I Williams
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Patent number: 8728163Abstract: An artificial disk replacement device includes opposing plate members with a pivoting assembly disposed therebetween. The pivoting assembly allows the plate members to pivot relative to each other in a first direction, but inhibit movement of the plate members in a second direction. The plate members may be installed prior to installing the pivoting assembly. An installation tool for use with the artificial disk replacement device is also disclosed.Type: GrantFiled: April 25, 2012Date of Patent: May 20, 2014Assignee: K2M, Inc.Inventors: Charles Theofilos, George England
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Publication number: 20140135843Abstract: A spinal stabilization system includes a connecting rod and a bone screw. The connecting rod includes an elongate rounded section, an elongate head portion, and a neck portion connecting the elongate rounded section with the elongate head portion. The bone screw includes a head portion defining a slot, a shank extending longitudinally from the head portion, and a set screw configured to secure the connecting rod in the slot. The slot includes a leading end portion configured to receive the elongate rounded section of the connecting rod and a trailing end portion configured to threadably engage the set screw, wherein the slot is flared such that elongate rounded section of the connecting rod is pivotable about the leading end portion of the slot.Type: ApplicationFiled: November 13, 2012Publication date: May 15, 2014Applicant: K2M, INC.Inventor: Michael Barrus
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Publication number: 20140135840Abstract: A spinal stabilization system includes an elongated loop member and a bone screw. The elongated loop member includes a pair of opposing elongate bodies defining a gap therebetween and a pair of connection members connecting the pair of opposing elongate bodies at opposite ends of the elongate bodies. The bone screw includes a head portion defining a slot, a shank extending longitudinally from the head portion and a set screw. The slot includes a leading end portion configured to receive at least a portion of the elongated loop member and a trailing end portion adapted to receive the set screw. The gap defined by the pair of opposing elongate bodies is dimensioned to receive at least a portion of the bone screw securely connected to one of the pair of opposing elongate bodies. The gap is configured and dimensioned to facilitate unilateral adjustment of the elongated loop member relative to the bone screw.Type: ApplicationFiled: November 13, 2012Publication date: May 15, 2014Applicant: K2M, INC.Inventors: Larry McClintock, Brandon Moore
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Publication number: 20140135841Abstract: A spinal stabilization system includes a connecting rod and a bone screw. The connecting rod includes an elongate rounded section, a pair of elongate rail portions, and a pair of neck portions connecting the elongate rounded section with the respective pair of elongate rail portions. Each elongate rail portion extends radially outward from the elongate rounded section and is diametrically opposed to the other elongate rail portion. The bone screw includes a head portion defining a slot, a shank extending longitudinally from the head portion, and a set screw configured to secure the connecting rod in the slot. The slot includes a leading end portion configured to receive one of the pair of elongate rail portions and a trailing end portion configured to engage the set screw, wherein the connecting rod is pivotable about the elongate rounded section in the slot.Type: ApplicationFiled: November 13, 2012Publication date: May 15, 2014Applicant: K2M, Inc.Inventor: Todd Wallenstein
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Publication number: 20140135842Abstract: A spinal stabilization system includes a connecting rod and a bone screw. The connecting rod includes an elongate rounded section, an elongate head portion, and a neck portion connecting the elongate rounded section with the elongate head portion. The bone screw includes a head portion defining a slot, a shank extending longitudinally from the head portion, and a cap. The slot includes a leading end portion configured to receive the elongate rounded section of the connecting rod and a trailing end portion defining a planar surface. The cap is configured to enclose the planar surface of the trailing end portion of the slot and secure the connecting rod in the slot to the bone screw.Type: ApplicationFiled: November 13, 2012Publication date: May 15, 2014Applicant: K2M, INC.Inventor: Todd Wallenstein
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Publication number: 20140135844Abstract: A spinal stabilization system including a connecting rod and a bone screw. The connecting rod includes an elongate rounded section, an elongate head portion, and a neck portion connecting the elongate rounded section with the elongate head portion. The bone screw includes a head portion defining a slot, a shank extending longitudinally from the head portion, and a set screw configured to secure the connecting rod in the slot. The head portion includes a pair of radially opposing walls defining the slot therebetween. The head portion includes a trailing end and a leading end. The trailing end includes a guide member defining an aperture configured and dimensioned to receive the set screw therethrough. The aperture is in communication with the slot. In particular, the guide member interconnects the pair of radially opposing walls.Type: ApplicationFiled: November 13, 2012Publication date: May 15, 2014Applicant: K2M, INC.Inventors: Timmon Ark, Robert Meyer, Michael Barrus
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Publication number: 20140135933Abstract: An expandable cage supports adjacent vertebra in spine surgery. The expandable cage includes a first supporting member configured to engage tissue and a second supporting member operatively associated with the first supporting member. The first and second supporting members are movable relative to each other. The expandable cage further includes a cam lock mechanism configured to maintain the first and second supporting members in a fixed relative position. In another embodiment, the expandable cage includes a ring plate lock mechanism in lieu of the cam lock mechanism. The ring plate lock mechanism is adapted to maintain the first and second supporting members in a fixed relative position.Type: ApplicationFiled: January 15, 2014Publication date: May 15, 2014Applicant: K2M, INC.Inventors: Larry Mcclintock, Kevin R. Strauss, Atiq Durrani
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Patent number: 8721647Abstract: The present invention features new methods, apparatuses and devices for fixing adjacent bone segments, segments of a bony structure and adjacent vertebrate of a spine. The methods, apparatuses and devices utilize a new apparatus for forming a channel in a surface of the bone or bony structure segments or adjacent vertebra or a channel submerged within the bone or bony structure segments or adjacent vertebra. In more particular embodiments such apparatuses and methods including forming an arcuate channel and which channel can receive therein a curved rod or implant member, which also preferably is arcuate, and avoids the associated problems with prior cage or straight rod and screw systems. Also featured are systems, apparatuses and methods for repairing, replacing or augmenting the nucleus and/or annulus of a disc.Type: GrantFiled: January 17, 2012Date of Patent: May 13, 2014Assignee: K2M, Inc.Inventors: Allen Carl, Josef K. Winkler, Robert Floyd Beisel, Spanky Allen Raymond, Daniel Stephen Savage, Jason John Gromek, Carl Michael Nilsson
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Publication number: 20140128873Abstract: A dynamic cervical plate includes a first end section and a second end section. In embodiments, the dynamic cervical plate may include one or more middle sections positioned between the first and second end sections. Each section may be longitudinally repositionable. Each section may include a plurality of openings for receiving threaded fasteners such as a self-starting screw or a self-tapping screw. In addition, each section may include an orifice for releasably mating with a drill guide. Each of the end sections may include a notch at one end for aligning with the drill guide or fixation pins. In one embodiment, a pin is used to interconnect the sections. In other embodiments, support bars are used to limit flexure between sections. In embodiments, one or more locking elements and/or one or more support bars may operably interconnect each section.Type: ApplicationFiled: January 14, 2014Publication date: May 8, 2014Applicant: K2M, Inc.Inventors: Larry McClintock, Todd Wallenstein, Peter Harris, Kevin R. Strauss, Megan Carnes
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Patent number: 8714427Abstract: A surgical rod scorer is provided. The surgical rod scorer includes a handle having an elongated shaft extending therefrom defining a longitudinal axis therethrough. A knob supported on a proximal end of the handle is movable about the longitudinal axis. A reciprocating member is operably disposed and translatable within the handle and the shaft of the surgical rod scorer. A drive member operably coupled to the proximal end of the reciprocating member and to the knob is configured to translate the reciprocating member along the longitudinal axis. The shaft and the reciprocating member including a respective distal end and operable head configured to support one or more cutting elements thereon. The reciprocating member including the one or more cutting elements supported thereon is translatable from a retracted position, to an extended position for scoring surgical rod.Type: GrantFiled: October 14, 2010Date of Patent: May 6, 2014Assignee: K2M, Inc.Inventors: Larry McClintock, Kevin R. Strauss, Faheem Sandhu
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Patent number: 8709082Abstract: A method of performing a surgical anterior extradiscal correction of a thoracolumbar pathology includes steps of surgically approaching a patient's spine and correcting a thoracolumbar pathology, aligning adjacent vertebral bodies, and securing the vertebral bodies in a desired relative position with anterior instrumentation that penetrates at least one of the vertebral bodies. The anterior instrumentation includes a bioabsorbable element and in one embodiment includes first and second bioabsorbable anchors for penetrating anterior portions of respective first and second sacral, thoracic or lumbar vertebral bodies and bioabsorbable instrumentation that fixedly connects the first bioabsorbable anchor to the second bioabsorbable anchor. This permits the first sacral, thoracic or lumbar vertebral body to be surgically fixed to the second sacral, thoracic or lumbar vertebral body for a predetermined period of time, when the bioabsorbable apparatus will be absorbed by a patient's body.Type: GrantFiled: July 13, 2012Date of Patent: April 29, 2014Assignee: K2M, Inc.Inventor: Robert W. Gaines, Jr.
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Patent number: 8696717Abstract: A pedicle screw construct includes a pedicle screw, a coupling, a collet, and a set screw. The pedicle screw includes a shank having a helical thread formed thereon and a head at one end. The collet is positioned atop the head of the pedicle screw. The collet and pedicle screw are inserted into the coupling. The set screw is positioned in the collet such that the set screw contacts a portion of the rod and is releasably secured to the pedicle screw via a gripping tool. The pedicle screw is rotatable and pivotable relative to the collet and coupling assembly.Type: GrantFiled: November 5, 2009Date of Patent: April 15, 2014Assignee: K2M, Inc.Inventors: Andrew T. Rock, Michael Barrus, Scott Jones, Kevin R. Strauss
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Patent number: 8696718Abstract: A polyaxial screw assembly includes a pedicle screw, a coupling, an insert, and a housing. The pedicle screw includes a shank having a helical thread formed thereon and a head at one end. The coupling is positioned on top the pedicle screw and releasably engages portions of the head. The coupling and pedicle screw are positioned within a distal portion of the housing. The pedicle screw is slid through an opening in the insert and the insert is thread into the distal portion of the housing to retain the coupling and the pedicle screw within the housing. The pedicle screw is rotatable and pivotable relative to the housing. Compressing the coupling within the housing locks the pedicle screw in a desired orientation.Type: GrantFiled: January 18, 2013Date of Patent: April 15, 2014Assignee: K2M, Inc.Inventors: Michael Barrus, Scott Jones
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Patent number: 8696560Abstract: A retractor having a pair of blades is disclosed. A ring having an opening is attached to one end of the blades. The blades define a channel therebetween. The blades may be pivotally coupled to the ring. The retractor may have at least two conditions. In a first condition, the retractor is insertable through an incision in a patient's skin to an operative site. In a second condition, the retractor may be manipulated for retracting tissue surrounding the operative site. Instruments, prostheses, or tissue may be inserted or removed through the channel of the retractor.Type: GrantFiled: May 2, 2007Date of Patent: April 15, 2014Assignee: K2M, Inc.Inventors: Kevin R. Strauss, Josef Gorek, Larry McClintock, John Kostuik
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Patent number: 8696681Abstract: Provided is a novel surgical instrument having an adjustable distal end that can securely engage an interbody for introduction of the interbody into an intervertebral space, can be adjusted before and during the surgical procedure to vary the angle of the distal end of the device and the angle of introduction of the interbody, and after positioning that interbody at the surgical site, can be easily disengaged and removed.Type: GrantFiled: September 29, 2006Date of Patent: April 15, 2014Assignee: K2M, Inc.Inventors: Peter M. Harris, Larry E. McClintock, Todd M. Wallenstein, Kevin R. Strauss
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Patent number: 8673011Abstract: An apparatus supports the spine between vertebrae and promotes spinal fusion. The apparatus generally includes a first supporting member, a second support member, and an expansion member. The first support member has a first longitudinal passage extending therethrough, a first supporting end configured to engage tissue, and a rack configured to engage a tool. The second supporting member contains a second longitudinal passage extending therethrough and a second supporting end configured to engage tissue. The second longitudinal passage is dimensioned to receive at least a portion of the first supporting member. The first and second supporting members are configured to move with respect to each other. The expansion member is removably positioned between the first and second supporting members and is adapted to maintain the first and second supporting members in a fixed relative position.Type: GrantFiled: March 30, 2009Date of Patent: March 18, 2014Assignee: K2M, Inc.Inventors: Charles Theofilos, Todd Wallenstein, Adam Wassinger, Larry McClintock, Kevin R. Strauss
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Patent number: 8672944Abstract: Systems and methods for surgical spinal correction are disclosed. A system including a plurality of bone screws, spinal rods, manipulators, and/or transverse couplers is disclosed for the manipulation of the spinal column is disclosed. A method of achieving, in a single action, manipulation and/or rotation of the spinal column using the disclosed system is disclosed. Also disclosed is a method of conducting spinal surgery to correct spinal deformities wherein spinal rods are pre-bent in a physiological sagittal plane prior to attachment of the vertebrae using bone screws.Type: GrantFiled: June 29, 2009Date of Patent: March 18, 2014Assignee: K2M, Inc.Inventors: Oheneba Boachie-Adjei, Andrew Thomas Rock, Raymund Woo, Michael Barrus, Scott Jones
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Publication number: 20140074168Abstract: A growing spinal rod system is configured to grow in response to the growth of a patient. The growing spinal rod system includes a housing, a spacer, and a sliding spinal rod. The housing includes a stepped passage therethrough. The spacer is disposed within the stepped passage and defines a through hole. The spacer includes a plurality of ribs biased inwards and into the through hole. The sliding spinal rod is slidably inserted through the through hole of the spacer. The sliding spinal rod moves the plurality of ribs outwards. The plurality of ribs permits the sliding spinal rod to extend from the housing and inhibit the sliding spinal rod from retracting into the housing.Type: ApplicationFiled: September 9, 2013Publication date: March 13, 2014Applicant: K2M, Inc.Inventors: Gregory Mundis, Kevin R. Strauss, Larry McClintock
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Publication number: 20140066990Abstract: A multi-planar axial spinal rod connector includes a first portion, a second portion, and a connector assembly. The first portion defines a longitudinal axis and defines a first passage. The first passage is sized and configured to slidably receive a first spinal rod. The second portion defines a second longitudinal axis and defines a second passage. The second longitudinal axis is different from the first longitudinal axis. The second passage is sized and configured to slidably receive a second spinal rod. The connector assembly is configured to fix the first and second portions relative to one another such that the first and second longitudinal axes define an angle relative to one another.Type: ApplicationFiled: August 29, 2013Publication date: March 6, 2014Applicant: K2MInventors: Behrooz Akbarnia, Clint Boyd