Intervertebral Body Fusion Device Expanded With Hardening Material
AssigneeStryker European Holdings I, LLC
InventorsChristopher P. Bell, Agustin Quintana
Life of this patent
Estimating the term…
Abstract
An expandable, intervertebral spacer includes a top component and a base component in engagement with the top component, the base component defining at least one channel for receiving a hardening material, and placement of the hardening material within the channel causes the top component to move between a first position in which the top component is a first distance from the base component and a second position in which the top component is a second distance from the base component, the second distance being greater than the first distance. The hardening material can be removed from the channel by a flexible coring tool, and the top component forced toward the base component to collapse the spacer.
Claims22
An expandable, intervertebral spacer, comprising:
- a top component;
- and
- a base component in engagement with the top component, the base component defining at least one channel for receiving a hardening material,
- wherein placement of the hardening material within the channel causes the top component to move between a first position in which the top component is a first distance from the base component and a second position in which the top component is a second distance from the base component, the second distance being greater than the first distance.
The spacer of 7, wherein the securing member is a post including a rounded member connected to a first end of a shaft and a flange connected to a second end of the shaft.
A method for implanting and expanding an expandable, intervertebral spacer in the intervertebral disc space between two adjacent vertebrae, the method comprising the steps of:
- inserting the spacer at least partially into the intervertebral disc space;
- and
- inserting hardening material into a channel of a base component of the spacer, the hardening material causing a top component of the spacer to move a distance from a first position to a second position, the top component being relatively further from the base component in the second position than in the first position.
A method for implanting and expanding an expandable, intervertebral spacer in intervertebral disc space between two adjacent vertebrae, the method comprising the steps of:
- providing an expandable spacer including a top component and a base component in engagement with the top component, the base component defining at least one channel for receiving hardening material, wherein the top component is movable between a first position in which the top component is a first distance from the base component, and a second position in which the top component is a second distance from the base component, the second distance being greater than the first, and wherein, with the hardening material in the at least one channel, the top component is in the second position;
- inserting the spacer at least partially into the intervertebral disc space;
- and
- inserting the hardening material into the channel causing the top component to move to the second position.
Dependencies are inferred from the claim text.