BONE STRUCTURAL DEVICE

• US 20140358246A1
• Filed: 07/05/2012
• Published: 12/04/2014
• Est. Priority Date: 07/05/2011
• Status: Active Grant

• Current Assignee: CoreLink, LLC
• Original Assignee: CoreLink, LLC
• Inventors: Levy, Mark M., Spector, Shimon, Teichman, Eyal, Sapir, Elad, Amar, Gal
• Granted Patent: US 10,307,254 B2
• Time in Patent Office: Days
• US Class Current: 623/23.47
• CPC Class Codes: A61F 2/28 Bones joints A61F2/30
• CPC Class Codes: A61F 2/2846 Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects nets or sleeves applied to surface of endoprostheses A61F2/30907; bone plates A61B17/80; bone regeneration in dental surgery A61C8/0006
• CPC Class Codes: A61F 2/30 Joints
• CPC Class Codes: A61F 2/30734 Modular inserts, sleeves or augments, e.g. placed on proximal part of stem for fixation purposes or wedges for bridging a bone defect
• CPC Class Codes: A61F 2/442 Intervertebral or spinal discs, e.g. resilient non-disc-shaped intervertebral inflatable pockets A61F2/441; non-disc-shaped intervertebral fusion implants A61F2/4455
• CPC Class Codes: A61F 2/4455 for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages intervertebral discs A61F2/442
• CPC Class Codes: A61F 2/4603 for insertion or extraction of endoprosthetic joints or of accessories thereof
• CPC Class Codes: A61F 2/4611 of spinal prostheses
• CPC Class Codes: A61F 2002/2835 Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
• CPC Class Codes: A61F 2002/30062 (bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
• CPC Class Codes: A61F 2002/30069 elastomeric
• CPC Class Codes: A61F 2002/30291 spirally-coiled, i.e. having a 2D spiral cross-section
• CPC Class Codes: A61F 2002/30365 with additional means for limiting said rotation
• CPC Class Codes: A61F 2002/30372 with additional means for limiting said translation
• CPC Class Codes: A61F 2002/30405 made by screwing complementary threads machined on the parts themselves
• CPC Class Codes: A61F 2002/30433 using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
• CPC Class Codes: A61F 2002/30448 using adhesives
• CPC Class Codes: A61F 2002/30451 soldered or brazed or welded
• CPC Class Codes: A61F 2002/30461 sutured, ligatured or stitched
• CPC Class Codes: A61F 2002/30462 retained or tied with a rope, string, thread, wire or cable
• CPC Class Codes: A61F 2002/30471 : connected by a hinged linkage mechanism, e.g. of the single-bar or multi-bar linkage type
• CPC Class Codes: A61F 2002/30476 : locked by an additional locking mechanism
• CPC Class Codes: A61F 2002/30484 : Mechanically expandable devices located on the first prosthetic part for locking into or onto the second prosthetic part
• CPC Class Codes: A61F 2002/30505 : spring biased
• CPC Class Codes: A61F 2002/30515 : using a locking wedge or block
• CPC Class Codes: A61F 2002/30538 : for adjusting angular orientation
• CPC Class Codes: A61F 2002/3055 : for adjusting length
• CPC Class Codes: A61F 2002/30556 : for adjusting thickness
• CPC Class Codes: A61F 2002/30568 : Multiple spring systems including two or more helical springs
• CPC Class Codes: A61F 2002/30573 : 2-D spiral springs
• CPC Class Codes: A61F 2002/30578 : having apertures, e.g. for receiving fixation screws
• CPC Class Codes: A61F 2002/30579 : with mechanically expandable devices, e.g. fixation devices
• CPC Class Codes: A61F 2002/30601 : telescopic
• CPC Class Codes: A61F 2002/30622 : Implant for fusing a joint or bone material
• CPC Class Codes: A61F 2002/30624 : Hinged joint, e.g. with transverse axle restricting the movement
• CPC Class Codes: A61F 2002/30649 : Ball-and-socket joints
• CPC Class Codes: A61F 2002/30841 : Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
• CPC Class Codes: A61F 2002/4415 : elements of the prosthesis being arranged in a chain like manner
• CPC Class Codes: A61F 2002/4627 : with linear motion along or rotating motion about the instrument axis or the implantation direction, e.g. telescopic, along a guiding rod, screwing inside the instrument
• CPC Class Codes: A61F 2002/4635 : using minimally invasive surgery
• CPC Class Codes: A61F 2002/4693 : hydraulic
• CPC Class Codes: A61F 2002/4694 : pneumatic
• CPC Class Codes: A61F 2210/0014 : using shape memory or superelastic materials, e.g. nitinol
• CPC Class Codes: A61F 2250/0007 : for adjusting length
• CPC Class Codes: A61F 2310/00011 : Metals or alloys
• CPC Class Codes: A61F 2310/00023 : Titanium or titanium-based alloys, e.g. Ti-Ni alloys
• CPC Class Codes: A61F 2310/00952 : Coating, pre-coating or prosthesis-covering structure made of bone cement, e.g. pre-applied PMMA cement mantle
• CPC Class Codes: A61F 2310/00976 : Coating or prosthesis-covering structure made of proteins or of polypeptides, e.g. of bone morphogenic proteins BMP or of transforming growth factors TGF

Abstract

A bone structural device including a plurality of bone structural segments (40), wherein adjacent bone structural segments (40) are pivotally connected to one another about a pivot axis, and the bone structural segments (40) are expandable in height, which is in a direction generally parallel to the pivot axis.

Claims

1. A bone structural device comprising:

a plurality of bone structural segments, wherein adjacent bone structural segments are pivotally connected to one another about a pivot axis, and said bone structural segments are expandable in height, which is in a direction generally parallel to said pivot axis.

2. The bone structural device according to claim 1, wherein at least some of said bone structural segments are expandable independently from one another.

3. The bone structural device according to claim 1, wherein at least some of said bone structural segments are expandable to different heights.

4. The bone structural device according to claim 1, wherein said bone structural segments are made of a resorbable, tissue-compatible material.

5. The bone structural device according to claim 1, wherein at least some of said bone structural segments are pivotally interconnected by resilient links.

6. The bone structural device according to claim 1, wherein said bone structural segments are linked to each other by one or more unidirectional hinges.

7. The bone structural device according to claim 1, wherein said bone structural segments are linked to each other by one or more multidirectional hinges.

8. The bone structural device according to claim 1, wherein said bone structural segments are lockable in place by a locking mechanism.

9. The bone structural device according to claim 1, wherein said bone structural segments are movable after installation in a body.

10. The bone structural device according to claim 1, wherein said bone structural segments form a closed ring-shaped structure.

11. The bone structural device according to claim 1, wherein at least some of said bone structural segments are fillable with a material.

12. The bone structural device according to claim 1, wherein at least some of said bone structural segments are linked by a plastically or elastically deformable component without hinges.

13. The bone structural device according to claim 1, wherein said bone structural segments comprise a pair of parallel support plates, which are expandable by a jacking mechanism.

14. The bone structural device according to claim 1, wherein said bone structural segments expandable by a telescoping mechanism.

15. The bone structural device according to claim 1, wherein said bone structural segments expandable by a wedge mechanism.

16. The bone structural device according to claim 1, wherein said bone structural segments expandable by a hydraulic or pneumatic mechanism.

17. The bone structural device according to claim 1, wherein said bone structural segments are expandable additionally in another direction different than said height.

18. The bone structural device according to claim 1, wherein said parallel support plates comprise an extension which is not parallel to said parallel plates.