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1. (CA2726387) SYSTEMS AND METHODS FOR POSTERIOR DYNAMIC STABILIZATION

Office : Canada
Application Number: 2726387 Application Date: 17.06.2009
Publication Number: 2726387 Publication Date: 23.12.2009
Publication Kind : A1
Prior PCT appl.: Application Number:US2009047684 ; Publication Number: Click to see the data
IPC:
A61B 17/70
A61F 2/44
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
56
Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58
for osteosynthesis, e.g. bone plates, screws or the like
68
Internal fixation devices
70
Spinal positioners or stabilisers
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2
Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02
Prostheses implantable into the body
30
Joints
44
for the spine, e.g. vertebrae, spinal discs
CPC:
A61B 17/7043
A61B 17/7026
A61B 17/7031
A61B 17/7071
A61B 17/8033
A61B 17/8052
A61B 17/8665
A61B 17/8869
A61B2017/7073
Applicants: MEDICINELODGE, INC.
DUGGAL, NEIL
Inventors: DUGGAL, NEIL
BUTTERS, JOSHUA
FALLIN, T. WADE
HUSHKA, DYLAN
Priority Data: 61/074,534 20.06.2008 US
Title: (EN) SYSTEMS AND METHODS FOR POSTERIOR DYNAMIC STABILIZATION
(FR) SYSTEMES ET PROCEDES POUR UNE STABILISATION DYNAMIQUE POSTERIEURE
Abstract:
(EN) A system for providing dynamic stabilization and balance control at a vertebral motion segment has first and second bridge elements and at least one bias element. The bridge elements anchor to adjacent vertebrae with polyaxially adjustable anchoring members, and the bias elements attach to each bridge element to span between them. Each bias element has two fixation portions and a bias body extending between the fixation portions. Each bias element may comprise an elastically deformable material to provide dynamic stabilization with motion, or may comprise rigid material to provide rigid stabilization, and both bias element types may be included in one system. The bias elements are attachable to the bridge elements at discrete attachment locations, or at non-discrete attachment locations. Alternate embodiments may include three or more bridge elements on adjacent vertebrae, and multiple bias elements. A tensioning tool may provide adjustable tension to an elastically deformable bias element.


Also published as:
EP2303164WO/2009/155360