Selectively expanding spine cage, hydraulically controllable...

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone

Reexamination Certificate

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C623S017150

Reexamination Certificate

active

08070813

ABSTRACT:
A selectively expanding spine cage has a minimized diameter in its unexpanded state that is smaller than the diameter of the neuroforamen through which it passes in the distracted spine. The cage conformably engages between vertebral bodies to effectively distract the disc space and rigidly fix the spine. Extendible members with multiple interfitting stages permit a relatively large range of distraction capability in a compact package.

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Related U.S. Appl. No. 11/535,432, filed Sep. 26, 2006, in the name of Thomas Grotz et al., titled ,“Selectively Expanding Spine Cage, Hydraulically Controllable in Three Dimensions for Enhanced Spinal Fusion.”
Related U.S. Appl. No. 12/787,281, filed May 25, 2010, in the name of John E. Ashley et al., titled “Adjustable Distraction Cage with Linked Locking Mechanism.”
Related U.S. Appl. No. 12/380,840, filed Mar. 4, 2009, in the name of Philip J. Simpson et al., titled “Lockable Spinal Implant.”
Related International Application No. PCT/US2009/067446 filed Dec. 10, 2009, in the name of Innvotec Surgical, Inc., titled “Lockable Expanding Spine Cage.”
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Related International Application No. PCT/US2009/00974 filed Feb. 17, 2009, in the name of Innvotec Surgical, Inc., titled “Spinal Implant with Expandable Fixation.”
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Related International Application No. PCT/US2008/003776 filed Mar. 21, 2008, in the name of Innvotec Surgical, Inc., titled “Selectively Expanding Spine Cage, Hydraulically Controllable in Three Dimensions for Vertebral Body Replacement.”
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Preliminary Amendment dated Oct. 31, 2007 in related U.S. Appl. No. 11/981,452, titled “Selectively Expanding Spine Cage, Hydraulically Controllable in Three Dimensions for Vertebral Body Replacement.”
Related U.S. Appl. No. 11/981,150, filed Oct. 31, 2007, in the name of R. Thomas Grotz et al., titled “Selectively Expanding Spine Cage, Hydraulically Controllable in Three Dimensions for Vertebral Body Replacement.”
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Preliminary Amendment dated Dec. 4, 2007 in related U.S. Appl. No. 11/535,432, titled “Selectively Expanding Spine Cage, Hydraulically Controllable in Three Dimensions for Enhanced Spinal Fusion.”
Second Preliminary Amendment dated Mar. 18, 2008 in related U.S. Appl. No. 11/535,432, titled “Selectively Expanding Spine Cage, Hydraulically Controllable in Three Dimensions for Enhanced Spinal Fusion.”
Third Preliminary Amendment dated Aug. 7, 2008 in related U.S. Appl. No. 11/535,432, titled “Selectively Expanding Spine Cage, Hydraulically Controllable in Three Dimensions for Enhanced Spinal Fusion.”
Restriction Requirement dated Mar. 17, 2010 in related U.S. Appl. No. 11/535,432, titled “Selectively Expanding Spine Cage, Hydraulically Controllable in Three Dimensions for Enhanced Spinal Fusion.”
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