Patents by Inventor Todd Wallenstein
Todd Wallenstein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10292832Abstract: A spinal fixation device includes an outer housing and an end plate assembly coupled with the outer housing. The outer housing defines an aperture and a longitudinal axis. At least a portion of the end plate assembly is slidably received within the outer housing. The end plate assembly includes a first end plate configured to engage a vertebral body, wherein the end plate assembly is selectively movable between a first position in which the first end plate is spaced apart from the outer housing and a second position in which the first end plate is adjacent the outer housing. Further, the first end plate is selectively adjustable to an angular orientation of a plurality of angular orientations with respect to the longitudinal axis of the outer housing.Type: GrantFiled: November 10, 2015Date of Patent: May 21, 2019Assignees: Ohio State Innovation Foundation, K2M, Inc.Inventors: Chester Evan Sutterlin, III, Ehud Mendel, Michael Finn, Clint Boyd, Scott Jones, Todd Wallenstein, Jacob M. Buchowski
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Publication number: 20180325692Abstract: An interbody spacer is provided including a body portion defining a longitudinal axis. The body portion includes a distal end portion, a proximal end portion, opposed side surfaces that extend between the distal and proximal end portions, and top and bottom surfaces configured and adapted to engage vertebral bodies. The interbody spacer includes first orifices defined through the top surface. The first orifices include orifices having first and second cross-sectional configurations and the first orifices are arranged in rows extending along the longitudinal axis.Type: ApplicationFiled: July 19, 2018Publication date: November 15, 2018Applicant: K2M, Inc.Inventors: Jennifer Moore, Megan Carnes, Todd Wallenstein, Clint Boyd, Jordan Floyd, Stephen Truesdell
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Patent number: 10028841Abstract: An interbody spacer is provided including a body portion defining a longitudinal axis. The body portion includes a distal end portion, a proximal end portion, opposed side surfaces that extend between the distal and proximal end portions, and top and bottom surfaces configured and adapted to engage vertebral bodies. The interbody spacer includes first orifices defined through the top surface. The first orifices include orifices having first and second cross-sectional configurations and the first orifices are arranged in rows extending along the longitudinal axis.Type: GrantFiled: January 27, 2016Date of Patent: July 24, 2018Assignee: K2M, Inc.Inventors: Jennifer Moore, Megan Carnes, Todd Wallenstein, Clint Boyd, Jordan Floyd, Stephen Truesdell
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Patent number: 9943341Abstract: A retention member for a spinal plate system where at least one or more segments of the retention member cover the head portion of a bone anchor member to inhibit movement of the bone anchor member that is inserted into the plate. The retention member allows for ease of insertion of the bone anchor member and once the bone anchor member is fully seated the retention member is in place.Type: GrantFiled: July 16, 2013Date of Patent: April 17, 2018Assignee: K2M, LLCInventors: Megan Carnes, Todd Wallenstein, Scott Jones
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Patent number: 9827114Abstract: A distraction device includes a cage distractor, two distractor blades, an inserter positioner, and a clip inserter. The cage distractor is selectively securable to the two distractor blades and includes two distractor housings moveable relative to one another. The inserter positioner is selectively securable to the two distractor blades and include a center member that is centered between the distractor blades when the inserter positioner is secured to the two distractor blades. The clip inserter is configured to secure a clip to a distal end thereof and is slidable through the center member to secure the clip to a cage distracted by the movement of the two distractor housings away from one another. The clip maintaining the distraction of the cage.Type: GrantFiled: January 13, 2016Date of Patent: November 28, 2017Assignee: K2M, Inc.Inventors: Charles Theofilos, Todd Wallenstein, Adam Wassinger, Scott Jones
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Publication number: 20170112555Abstract: A bone screw for attaching a spinal prosthetic or bone plate to bone includes a tubular body having open proximal and distal ends. The open proximal and distal ends define a passageway therethrough. A shaft is insertable into the passageway and includes a distal tip that extends beyond the open distal end. The shaft is insertable through a lumen of a head of the bone screw. A gap is defined between a distal surface of the head and a proximal end of the tubular body. The shaft is rotationally fixed with the tubular body and the head. The head is repositionable with respect to the shaft such that an acute angle is defined between the head and a longitudinal axis of the shaft.Type: ApplicationFiled: October 24, 2016Publication date: April 27, 2017Inventors: Todd Wallenstein, Megan Carnes, John Donohoe
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Publication number: 20170079807Abstract: A spinal fixation device includes a housing defining a chamber and a longitudinal axis, and an end plate assembly operatively coupled with the housing. The end plate assembly includes a first end plate configured to engage a vertebral body and first and second support assemblies operatively coupled to the first end plate. The first support assembly is selectively movable between a first position in which the first end plate is spaced apart from the housing and a second position in which the first end plate is adjacent the housing. The second support assembly is transitionable between a first state in which the first end plate has a first angular orientation and a second state in which the first end plate has a second angular orientation.Type: ApplicationFiled: September 19, 2016Publication date: March 23, 2017Inventors: Todd Wallenstein, Clint Boyd
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Patent number: 9498350Abstract: An insertion device includes a first engagement arm having a first body portion and a first proximal extension, a second engagement arm including a second body portion and a second proximal extension, and an adjustment mechanism. The second proximal extension is disposed about the first proximal extension and is slidable therealong to vary a spacing between the first and second engagement arms. The adjustment mechanism includes an adjustment screw rotatably coupled to the first proximal extension and an adjustment cylinder coupled to the second proximal extension. The adjustment cylinder is configured to receive the adjustment screw in threaded engagement therewith such that rotation of the adjustment screw relative to the adjustment cylinder urges the second proximal extension to translate along the first proximal extension to vary the spacing between the first and second engagement arms.Type: GrantFiled: October 22, 2013Date of Patent: November 22, 2016Assignee: K2M, Inc.Inventors: Charles Theofilos, Adam Wassinger, Todd Wallenstein, John Donohoe
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Publication number: 20160213488Abstract: An interbody spacer is provided including a body portion defining a longitudinal axis. The body portion includes a distal end portion, a proximal end portion, opposed side surfaces that extend between the distal and proximal end portions, and top and bottom surfaces configured and adapted to engage vertebral bodies. The interbody spacer includes first orifices defined through the top surface. The first orifices include orifices having first and second cross-sectional configurations and the first orifices are arranged in rows extending along the longitudinal axis.Type: ApplicationFiled: January 27, 2016Publication date: July 28, 2016Inventors: Jennifer Moore, Megan Carnes, Todd Wallenstein, Clint Boyd, Jordan Floyd, Stephen Truesdell
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Publication number: 20160120663Abstract: A distraction device includes a cage distractor, two distractor blades, an inserter positioner, and a clip inserter. The cage distractor is selectively securable to the two distractor blades and includes two distractor housings moveable relative to one another. The inserter positioner is selectively securable to the two distractor blades and include a center member that is centered between the distractor blades when the inserter positioner is secured to the two distractor blades. The clip inserter is configured to secure a clip to a distal end thereof and is slidable through the center member to secure the clip to a cage distracted by the movement of the two distractor housings away from one another. The clip maintaining the distraction of the cage.Type: ApplicationFiled: January 13, 2016Publication date: May 5, 2016Inventors: Charles Theofilos, Todd Wallenstein, Adam Wassinger, Scott Jones
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Patent number: 9301785Abstract: A spinal buttress plate includes a body having a top surface and a bottom surface and including an annular lip, a ledge, and a pair of teeth. The annular lip defines an opening. The annular lip and the opening are adapted to engage a screw for facilitating the securement of the buttress plate to one or more vertebrae. The ledge defines an aperture. The ledge and aperture are adapted to engage an instrument for positioning the buttress plate adjacent a spinal bone graft. The teeth are disposed in spaced-apart relation on the bottom surface of the body and are positionable within the one or more vertebrae.Type: GrantFiled: October 21, 2009Date of Patent: April 5, 2016Assignee: K2M, Inc.Inventor: Todd Wallenstein
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Publication number: 20160058575Abstract: A spinal fixation device includes an outer housing and an end plate assembly coupled with the outer housing. The outer housing defines an aperture and a longitudinal axis. At least a portion of the end plate assembly is slidably received within the outer housing. The end plate assembly includes a first end plate configured to engage a vertebral body, wherein the end plate assembly is selectively movable between a first position in which the first end plate is spaced apart from the outer housing and a second position in which the first end plate is adjacent the outer housing. Further, the first end plate is selectively adjustable to an angular orientation of a plurality of angular orientations with respect to the longitudinal axis of the outer housing.Type: ApplicationFiled: November 10, 2015Publication date: March 3, 2016Inventors: Chester Evan Sutterlin, III, Ehud Mendel, Michael Finn, Clint Boyd, Scott Jones, Todd Wallenstein
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Patent number: 9241700Abstract: A distraction device includes a cage distractor, two distractor blades, an inserter positioner, and a clip inserter. The cage distractor is selectively securable to the two distractor blades and includes two distractor housings moveable relative to one another. The inserter positioner is selectively securable to the two distractor blades and include a center member that is centered between the distractor blades when the inserter positioner is secured to the two distractor blades. The clip inserter is configured to secure a clip to a distal end thereof and is slidable through the center member to secure the clip to a cage distracted by the movement of the two distractor housings away from one another. The clip maintaining the distraction of the cage.Type: GrantFiled: October 21, 2013Date of Patent: January 26, 2016Assignee: K2M, Inc.Inventors: Charles Theofilos, Todd Wallenstein, Adam Wassinger, Scott Jones
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Patent number: 9186182Abstract: 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: GrantFiled: November 13, 2012Date of Patent: November 17, 2015Assignee: K2M, Inc.Inventor: Todd Wallenstein
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Publication number: 20150223950Abstract: A spinal implant configured for positioning within a space between adjacent vertebral bodies includes first and second bone screws and a body. The body includes a back surface having first and second openings for receiving the first and second screws. The first and second openings are configured for orientation towards opposing vertebral bodies. The body further includes first and second side surfaces extending from opposing ends of the back surface and first and second end surfaces extending from respective first and second side surfaces, wherein the ends of the first and second end surfaces meet and define an atraumatic nose. A first angle is formed between the first side surface and the first end surface that is different than a second angle that is formed between the second side surface and the first end surface. A method using same is also disclosed.Type: ApplicationFiled: February 12, 2015Publication date: August 13, 2015Inventors: Todd Wallenstein, Jennifer Moore
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Patent number: 9095378Abstract: 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: GrantFiled: November 13, 2012Date of Patent: August 4, 2015Assignee: K2M, Inc.Inventor: Todd Wallenstein
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Patent number: 9095385Abstract: 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: GrantFiled: November 21, 2012Date of Patent: August 4, 2015Assignee: K2M, Inc.Inventors: Todd Wallenstein, George Miz, John I Williams
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Patent number: 9095390Abstract: A bone screw for attaching a bone plate to bone includes a shank defining a lumen extending at least partially therethrough from a proximal end thereof, a head defining a lumen therethrough, and a rod member. The rod member is configured for insertion through the lumen of the head and into the lumen of the shank. The rod member is fixedly engageable with the shank and moveably coupled to the head such that both the rod member and the shank are moveable with respect to the head.Type: GrantFiled: April 12, 2013Date of Patent: August 4, 2015Assignee: K2M, Inc.Inventors: Todd Wallenstein, Larry McClintock, Scott Jones
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Patent number: 9017409Abstract: An intervertebral implant system is disclosed which includes a spinal spacer for engagement between vertebrae and at least one semi-constrained bone screw assembly. The spinal spacer includes a body extending between first and second end surfaces to define opposing top and bottom vertebral engaging surfaces. The second end surface of the body includes at least one aperture formed therethrough at an angle relative to the centerline axis and a screw opening defined therethrough. The semi-constrained bone screw assembly is adapted for insertion through the screw opening and includes a shank, a head and a rod member. The rod member is fixedly engageable with the shank and moveably coupled to the head such that both the rod member and the shank are moveable with respect to the head.Type: GrantFiled: April 22, 2011Date of Patent: April 28, 2015Assignee: K2M, Inc.Inventors: Todd Wallenstein, Megan E. McMullen
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Patent number: 8961517Abstract: 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: GrantFiled: January 14, 2014Date of Patent: February 24, 2015Assignee: K2M, Inc.Inventors: Larry McClintock, Todd Wallenstein, Peter Harris, Kevin R. Strauss, Megan Carnes