Abstract: An anterior lumbar interbody fusion device comprising a superior component, an inferior component, and a locking mechanism. The superior component bottom side and the inferior component top side oppose each other when these are received in the intervertebral space whereby their external sides abut against the respective vertebra, thereby coupling force between the latter. The components inter-engage with each other whereby they are constrained to move in an anterior-posterior direction relative to each other and resistance is presented to movement relative to each other in each of a direction of separation and a direction orthogonal to the anterior-posterior direction and to the direction of separation.

Abstract: The insertion instrument (10) for inserting a modular intervertebral fusion device or components thereof into an inter-vertebral space comprises at least one superior (arm 16), (18) mounted on a superior support (12) such that the at least one superior arm extends from the superior support. The insertion instrument further comprises at least one inferior arm (20), (22) mounted on an inferior support (14) such that the at least one inferior arm extends from the inferior support.

Abstract: The intervertebral fusion device (200) comprises a superior component (220), an inferior component (240) and a core component (260). The superior and inferior components (220, 240) are received in an intervertebral space between first and second vertebrae whereby the superior component top side abuts against the first vertebra, the inferior component bottom side abuts against the second vertebra, and the superior component bottom side and the inferior component top side oppose each other. A height of the intervertebral fusion device is determined upon insertion of the core component (260) between the superior and inferior components (220, 240). Each of the superior component top side and the inferior component bottom side is one of: oblong having a major axis; and square, being bounded by four edges.

Abstract: The present invention relates to an intervertebral fusion device (10) comprising a superior component (20), an inferior component (40), and a core component (80) inserted there between. The intervertebral fusion device further comprises first and second retention mechanisms which resist ejection of the core component from between the superior and inferior components. Each of the first and second retention mechanisms comprises first and second portions. One of the first and second portions is unitary with one of the superior and inferior components. The other of the first and second portions is unitary with the core component. The first and second portions each comprise an inter-engaging formation which are urged in an opposite direction. The first inter-engaging formation is urged to inter-engage with the second inter-engaging formation upon insertion of the core component between the superior and inferior components.

Abstract: An assembly for determining height and angle of an intervertebral device to be implanted in an intervertebral space. The assembly comprises a sizing instrument (12) comprising a support (18) attached to first and second arms (20), (22) which extend in generally a same direction from the support. The assembly also comprises superior and inferior endplates (14), (16) of the intervertebral device to be implanted. One of the superior and inferior endplates (14), (16) engages with a distal end of the first arm (20) and the other of the superior and inferior endplates (14), (16) engages with a distal end of the second arm (22), the superior and inferior endplates opposing each other when they are engaged with their respective arms.

Abstract: The present invention relates to an intervertebral fusion device (10) comprising a superior component (20), an inferior component (40) receivable in an intervertebral space between first and second vertebrae, with the core component (80) insertable between the superior and inferior components to determine a separation between the superior and inferior components. The superior, inferior components and core components comprise respective formations and profiles. The formations (54, 68) present a barrier to separation of the core from one of the inferior and superior components during insertion of the core component. The profiles guide the core component during insertion of the core component while presenting no barrier to separation from each other during its insertion. The components comprise further formations (39, 76) which present a barrier to separation of the components from each other once the core has been fully inserted between the inferior and superior components.

Abstract: The present invention relates to an intervertebral fusion device (10) comprising a superior component (12), an inferior component (14) and a core component (16). The superior component (12) and the inferior component (14) are receivable in an intervertebral space between first and second vertebrae with the core component (16) insertable between the superior and inferior components to determine a separation between the superior and inferior components. A bone graft conveying aperture is defined in at least one of a superior component top surface (18) of the superior component and an inferior component bottom surface (20) of the inferior component. The core component defines a bone graft material holding space which is enclosed except at at least one of a core component top surface and core component bottom surface of the core component and a bone graft material delivery opening. The bone graft material delivery opening extends from outside the core component side to the bone graft material holding space.

Abstract: An intervertebral fusion device is disclosed. The intervertebral fusion device comprises a superior component (40), an inferior component (60) and a core component (10). The superior component (40) has a superior component top side and a superior component bottom side and is configured to be received in an intervertebral space between first and second vertebrae whereby the superior component top side abuts against the first vertebra. The inferior component (60) has an inferior component top side and an inferior component bottom side and is configured to be received in the intervertebral space whereby the inferior component bottom side abuts against the second vertebra. The superior component bottom side and the inferior component top side oppose each other when the superior and inferior components (40, 60) are received in the intervertebral space.

Abstract: A self-supporting surgical retractor is provided for retracting soft tissue and anatomy at a spinal surgical site. The retractor includes a tubular base defining an upper rim and a lower rim and a working channel there between the upper and lower rims, in which the base and lower rim are sized and configured to be seated on adjacent vertebral bodies spanning an intervertebral space. At least two elongated legs are provided, each projecting from the upper rim and each including a fixation feature at a free end thereof. Each of the legs has a length sufficient for the fixation feature to be outside the body of a patient when the lower rim is seated on adjacent vertebral bodies of the patient. The retractor is formed of a radio-transparent or radio-lucent material.