WO2010017521A3 - Surgical access with target visualization - Google Patents

Surgical access with target visualization Download PDF

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Publication number
WO2010017521A3
WO2010017521A3 PCT/US2009/053217 US2009053217W WO2010017521A3 WO 2010017521 A3 WO2010017521 A3 WO 2010017521A3 US 2009053217 W US2009053217 W US 2009053217W WO 2010017521 A3 WO2010017521 A3 WO 2010017521A3
Authority
WO
WIPO (PCT)
Prior art keywords
curved
cannula
radio
opaque
access cannula
Prior art date
Application number
PCT/US2009/053217
Other languages
French (fr)
Other versions
WO2010017521A2 (en
Inventor
T. Wade Fallin
Joel Saxton
E. Marlowe Goble
Morteza M. Farr
Mike Wentz
Ephraim Akyuz
Daniel F. Justin
Douglas M. Lorang
Original Assignee
Innovative Spine, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innovative Spine, Llc filed Critical Innovative Spine, Llc
Publication of WO2010017521A2 publication Critical patent/WO2010017521A2/en
Publication of WO2010017521A3 publication Critical patent/WO2010017521A3/en

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    • A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
    • A61F2250/0006—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting angular orientation

Abstract

Accessing a spine from a curved postero-lateral approach may include a curved cannula positioned along a curved path from an opening in the skin to a location proximate to the spine. Positioning of the distal end of a radiolucent curved access cannula may be assisted by use of one or more radio-opaque markers. Markers may be positioned to form a cross hair image in fluoroscopy to assist in cannula placement. Radio-opaque inserts placed in and extended beyond the curved access cannula may have radiolucent windows to allow viewing of the cannula's radio-opaque markers. An appropriately placed curved access cannula may be clamped to prevent subsequent movement. Appropriate tools may be introduced through the curved access cannula and the distal radio-opaque tool heads may be viewed relative to the radio-opaque markers. The curved access cannula may be attached to the spine through one or more screws.
PCT/US2009/053217 2008-08-07 2009-08-07 Surgical access with target visualization WO2010017521A2 (en)

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US8694008P 2008-08-07 2008-08-07
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US12/357,596 US8840621B2 (en) 2006-11-03 2009-01-22 Spinal access systems and methods
US12/357,596 2009-01-22

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