[특허]Multipoint fixation implants

Multipoint fixation implants 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/70 A61B-017/80 A61B-017/56 A61B-017/68
출원번호	US-0073020 (2016-03-17)
등록번호	US-9962192 (2018-05-08)
발명자 / 주소	Hawkins, J. Riley Montello, Albert Ramsay, Christopher Lee, Kevin Peterson, Joseph Johnston, Ben Koller, Heiko Albert, Todd Ames, Chris Currier, Brad Thome, Claudius Neo, Masashi
출원인 / 주소	Medos International Sarl
대리인 / 주소	Nutter McClennen & Fish LLP
인용정보	피인용 횟수 : 0 인용 특허 : 42

초록 ▼

Bone anchor assemblies are disclosed herein that can provide for improved fixation as compared with traditional bone anchor assemblies. An exemplary assembly can include a bracket or wing that extends down from the receiver member and accommodates one or more auxiliary bone anchors that augment the fixation of the assembly's primary bone anchor. Another exemplary assembly can include a plate that is seated between the receiver member and the rod and accommodates one or more auxiliary bone anchors that augment the fixation of the assembly's primary bone anchor. Another exemplary assembly can include a hook that extends out from the receiver member to hook onto an anatomical structure or another implant to augment the fixation of the assembly's primary bone anchor. Surgical methods using the bone anchor assemblies described herein are also disclosed.

대표청구항 ▼

1. A bone anchor assembly, comprising: a bone anchor;a receiver member coupled to a proximal end of the bone anchor and defining a recess configured to receive a rod;a closure mechanism threadably mated to the receiver member;a wing having a proximal portion with a distal surface that bears against the receiver member, the proximal portion being disposed proximal to the receiver member, a distal portion that defines a bone anchor opening, the distal portion having a lateral surface that is distal to a rod seat of the receiver member and a proximal surface that is distal to the distal surface of the proximal portion, and a spanning portion that connects the proximal and distal portions, the spanning portion having a lateral surface that extends along a sidewall of the receiver member; anda nut configured to threadably engage the closure mechanism to secure the proximal portion of the wing to the proximal end of the receiver member. 2. The assembly of claim 1, wherein the closure mechanism comprises a threaded post and wherein the wing includes an opening through which at least a portion of the threaded post is disposed. 3. The assembly of claim 1, wherein the wing is rotatable about the closure mechanism. 4. The assembly of claim 1, wherein a distal-facing surface of the proximal portion of the wing bears against a proximal terminal end of the receiver member. 5. The assembly of claim 1, wherein the lateral surface of the distal portion of the wing forms a negative of the sidewall of the receiver member and wherein the lateral surface of the spanning portion of the wing forms a negative of the sidewall of the receiver member. 6. The assembly of claim 1, wherein the lateral surface of the spanning portion of the wing includes a protrusion that engages a corresponding recess formed in the receiver member. 7. The assembly of claim 1, wherein the spanning portion hugs the sidewall of the receiver member. 8. The assembly of claim 1, wherein the receiver member is polyaxially movable relative to the bone anchor. 9. The assembly of claim 1, further comprising an auxiliary bone anchor disposed in the bone anchor opening of the distal portion of the wing. 10. The assembly of claim 9, wherein the proximal-most extent of the auxiliary bone anchor is distal to a rod when the rod is disposed in the recess of the receiver member. 11. The assembly of claim 9, wherein the proximal-most extent of the auxiliary bone anchor is distal to the distal-most extent of the receiver member. 12. The assembly of claim 1, wherein the spanning portion has an adjustable height. 13. The assembly of claim 12, wherein the spanning portion comprises first and second legs movable toward one another to increase the height of the spanning portion and movable away from one another to decrease the height of the spanning portion. 14. The assembly of claim 1, wherein the spanning portion is deformable to allow the distal portion of the wing to be angled to match an abutting bone surface. 15. A bone anchor assembly, comprising: a bone anchor;a receiver member coupled to a proximal end of the bone anchor and defining a recess configured to receive a rod;a closure mechanism threadably mated to the receiver member;a wing having a proximal mating portion disposed proximal to the receiver member, the proximal portion having a distal surface that bears against the receiver member to mate the wing to the receiver member, a distal portion that defines a plurality of bone anchor openings, and a spanning portion that connects the proximal and distal portions, the distal portion having a proximal surface that is distal to the distal surface of the proximal portion; anda nut configured to threadably engage the closure mechanism to secure the proximal portion of the wing to the proximal end of the receiver member. 16. The assembly of claim 15, wherein the spanning portion includes a protrusion for engaging a sidewall of the receiver member. 17. The assembly of claim 16, wherein the protrusion engages a recess formed in the sidewall of the receiver member. 18. The assembly of claim 15, wherein the spanning portion has ribs on an outer surface thereof. 19. The assembly of claim 15, wherein a central axis that extends through at least one of the plurality of openings is substantially parallel to a central axis that extends through an opening in the proximal portion.

이 특허에 인용된 특허 (42)

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Chin, Kingsley Richard; Ibarra, Matthew, Apparatus and method for spine fixation.
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Uribe, Juan S.; Johnson, Wesley M., Apparatus for occipital-cervical fixation enabling supplemental occipital bone fixation.
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Assaker, Richard; Conchy, Frederic; Le Couedic, Regis, Backbone osteosynthesis system with clamping means, in particlular for anterior fixing.
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Carbone, John; Markworth, Aaron; Horan, Michael; Crozet, Yves, Biased angulation bone fixation assembly.
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Schneider, Rolf, Bone plate.
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Schneider, Rolf, Bone plate.
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Schneider, Rolf, Bone plate.
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Schneider, Rolf, Bone plate.
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Youssef, Jim A.; Hamlin, Lance; Hewko, Brian, Bone plate system configurable as static or dynamic implant.
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Biedermann, Lutz; Harms, Jürgen, Bone screw.
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Schläpfer, Fridolin; Hess, Martin, Device for stabilizing bones.
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Dixon, Robert A; Hackman, Donald J, Dynamized vertebral stabilizer using an outrigger implant.
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Kalfas, Iain H.; Lauryssen, Carl; Ludwig, Steven; O'Brien, Michael; Doherty, Thomas; Hall, Mark T.; Jones, Bryan S.; Konieczynski, David; Murphy, Raymond F., Head-to-head connector spinal fixation system.
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Chan, Jason S.; Fernandez, Alberto Angel, Highly-versatile variable-angle bone plate system.
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Berg, Phillip; Ohrt, John Arthur; Abidin, Cin; Kuiper, Mark K.; Funk, Michael J.; Finazzo, Anthony V.; Ralph, Christopher; Broman, Richard J.; Suh, Sean Sung-Ho, Minimally invasive spine restoration systems, devices, methods and kits.
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Altarac,Moti; Mellinger,Philip A.; Vaccaro,Alex, Occipital plate and rod system.
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Ziemek, Terry; Causey, Greg; Fulton, Michael, Occipital plate fixation system.
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Moore, Jennifer; Kostuik, John; Brown, Steve A., Occipital plate for cervical fixation.
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Abdou, M. Samy, Occipito fixation system and method of use.
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Ziolo, Tara; Termyna, Stephen, Occipito-cervical fixation assembly and method for constructing same.
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Null, William B.; Paul, Marc T.; Sherman, Micheal C., Orthopedic revision connector.
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Dubousset Jean (Clamart FRX), Osteosynthesis device for the correction of spinal curvatures.
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Sicvol,Christopher W; Lopez,Erasmo; Ruberte,Ramon, Percutaneous access devices and bone anchor assemblies.
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Markworth, Aaron D., Polyaxial occipital plate.
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Foley, Kevin T.; Bruneau, Aure; Melkent, Anthony J.; Roehm, III, Thomas E., Posterior pedicle screw and plate system and methods.
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Montello, Albert A.; Bae, Hyun W.; Strausbaugh, William L.; Bonner, Christopher M.; McDonough, William P.; Koch, David K.; Milford, Jordan N., Posterior vertebral plating system.
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Stinson, David; Jones, Lawrence R.; Scribner, Robert M.; Reiley, Mark A., Prostheses and methods for replacement of natural facet joints with artificial facet joint surfaces.
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Capote, Marco; Biscup, Robert S.; Branch, Jr., Charles L., Revision fixation plate and method of use.
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Chopin Daniel (le Touquet Paris Plage FRX), Sacral support saddle for a spinal osteosynthesis device.
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Apfelbaum Ronald I. ; Dinkler ; II Charles E., Spinal fixation device with laterally attachable connectors.
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Mangione, Paolo; Le Couedic, Regis; Pasquet, Denis; Conchy, Frederic, Spinal osteosynthesis device for anterior fixation with plate.
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Capote, Marco Dagoberto; Biscup, Robert S.; Branch, Charles L., Spinal stabilization systems and methods.
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Lindner, Stephan, Surgical bone anchoring device and spinal column fixation system.
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Ray R. Charles (Tacoma WA), System for stabilizing the cervical and the lumbar region of the spine.
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Gustine, Seth; Donahoe, Ryan; Shoshtaev, Eugene; Pettine, Spencer, Systems and methods for performing spine surgery.
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Duggal, Neil; Fallin, T. Wade; Hushka, Dylan M.; Butters, Joshua A., Systems and methods for posterior dynamic stabilization.
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Mahoney, Michael; Ramsay, Christopher; Hawkins, John Riley; Dupak, Erin; Varghese, Jayson; Bartish, Jr., Charles M.; Fanger, Jonathan; Kwak, SeungKyu Daniel, Unilateral placement.
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Koay, Kenny; Haag, Rene, Variable angle compression plate.
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Fernandez, Alberto Angel, Variable angle locked bone fixation system.
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Khodadadyan-Klostermann, Cyrus; Neumann, Carsten, Ventral bone plate.
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Lin Chih-I (14292 Spring Vista La. Chino Hills CA 91709), Vertebral fixing and retrieving device having centrally two fixation.
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