K2M
New York, NY, United States
New York, NY, United States

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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.


Patent
K2M | Date: 2017-05-03

A spinal implant (10) configured for positioning within a space between adjacent vertebral bodies includes an upper end plate (100) including an outer surface (110) extending between first and second end surfaces (104, 108) and opposed side surfaces (114, 116). The outer surface includes a first convex profile (110a) extending between the first and second end surfaces and a second convex profile (110b) extending between the opposed side surfaces. The first convex profile and the second convex profile have different curvatures. The spinal implant further includes a lower end plate (200) and a core (300) disposed between the upper and lower end plates and coupled thereto. A method of assembling a spinal implant is also disclosed.


Patent
K2M | Date: 2016-12-29

Provided is a novel rod reducing device including a screw jack mechanism that is moveably engaged with an elongated grasping fork assembly, the screw jack mechanism having an elongated threaded portion, the elongated threaded portion being connected at its most distal end to a rod contact member, which is positioned in sliding circumferential contact with each of the two opposing elongated grasping members and the most proximal end of the elongated threaded portion terminating in a controlling member, which can be activated in a measured and controlled manner. A method of using the device is also provided.


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.


Patent
K2M | Date: 2016-10-24

A spinal implant configured for positioning within a space between adjacent vertebral bodies includes an upper end plate including an outer surface extending between first and second end surfaces and opposed side surfaces. The outer surface includes a first convex profile extending between the first and second end surfaces and a second convex profile extending between the opposed side surfaces. The first convex profile and the second convex profile have different curvatures. The spinal implant further includes a lower end plate and a core disposed between the upper and lower end plates and coupled thereto. A method of assembling a spinal implant and a method of performing spinal surgery are also disclosed.


Patent
K2M | Date: 2017-01-27

An expandable spinal implant configured for positioning within the intervertebral space between adjacent vertebral bodies is disclosed. The spinal implant includes a first body, a second body, a ratchet, and a locking mechanism. The first and second bodies are pivotably affixed to each other on respective first ends thereof and are capable of movement relative to each other in a medial-lateral direction with respect to the adjacent vertebral bodies. The ratchet is pivotably supported within a slot defined in the first body and is capable of engaging the second body thereby permitting movement of the first and second body relative to each other in a first direction, but not in a second direction that is different than the first direction. A method of performing spinal surgery is also disclosed.


Patent
K2M | Date: 2016-11-21

A spinal rod reduction apparatus including an elongated body member, a pair of arms extending distally from the elongated body member, and first and second elongated slots defined between the pair of arms. The first and second elongated slots are configured to receive a spinal rod therethrough. The first elongated slot is positioned in opposed relation to the second elongated slot and is longer than the second elongated slot.


An expandable spinal implant configured for positioning within a space between adjacent vertebral bodies includes an upper body, a lower body, a ratchet mechanism, and a plurality of bone screws. The upper body and lower body are pivotably affixed at a first end and are capable of movement relative to each other. The ratchet mechanism is slidably disposed on one of the upper and lower body and is capable of engaging the opposite one of the upper and lower body thereby permitting movement of the upper and lower body relative to each other in a first direction, but not in a second direction. An insertion instrument capable of being attached to the expandable spinal instrument and a method of performing spinal surgery is also disclosed.


Patent
K2M | Date: 2017-02-13

An implant includes an implantable portion and a housing. The implantable portion has a head and a shank extending from the head. The shank has a solid outer surface and defines a radius of curvature. The housing is pivotally and rotatably coupled to the head and is configured to secure a rod to the implantable portion. The housing is fixed relative to the implantable portion when a rod is secured within the housing.


Patent
K2M | Date: 2017-02-13

A bone plate that is configured to operatively attach to bone includes a first segment, a second segment, and a locking mechanism. The first segment includes a compression notch. The first and second segments are positioned along a longitudinal axis and are movable relative to one another. The locking mechanism inhibits relative axial movement of the first and second segments along the longitudinal axis away from one another. The locking mechanism includes first and second grooves disposed on the second segment. The first and second grooves and the compression slot are configured to receive an instrument to move the first segment towards the second segment along the longitudinal axis.

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