USOO834901 3B2

(12) United States Patent (10) Patent No.: US 8,349,013 B2 Zucherman et al. (45) Date of Patent: Jan. 8, 2013

(54) SPINE DISTRACTION MIPLANT continuation-in-part of application No. 1 1/389,002, (75) Inventors: James F. Zucherman, San Francisco, filed on Mar. 24, 2006. CA (US); Ken Y. Hsu, San Francisco, (60) Provisional application No. 60/421,921, filed on Oct. CA (US); Charles J. Winslow, Walnut 29, 2002, provisional application No. 60/565,910, Creek, CA (US); Henry A. Klyce, filed on Apr. 28, 2004, provisional application No. Piedmont, CA (US); Scott A. Yerby, (51) (402. filed on Apr. 18, 2005. Montara, CA (US); John J. Flynn, A6IF 2/44 (2006.01) Walnut Creek, CA (US); Steven T. (52) U.S. Cl...... 623/17.12; 623/17.16; 606/247 Mitchell, Pleasant Hill, CA (US); John (58) Field of Classification Search ...... 606/86A, A. Markwart, Castro Valley, CA (US) 606/246, 247, 248, 249, 279, 914; 623/17.11, (73) Assignee: Kyphon Sarl, Neuchatel (CH) 623/17.16; 128/898 (*) Notice: Subject to any disclaimer, the term of this See application file for complete search history. patent is extended or adjusted under 35 (56) References Cited U.S.C. 154(b) by 341 days. (21) Appl. No.: 12/821,077 U.S. PATENT DOCUMENTS (22) Filed: Jun. 22, 2010 624,969 A 5, 1899 Peterson Prior Publication Data (Continued) (65) FOREIGN PATENT DOCUMENTS US 2010/O262243 A1 Oct. 14, 2010 DE 2821678 A1 11, 1979 Related U.S. Application Data (Continued) (60) Division of application No. 1 1/788.763, filed on Apr. OTHER PUBLICATIONS 19, 2007, now abandoned, which is a continuation-in-part of application No. 1 1/092,862, Benzel et al., “Posterior Cervical Interspinous Compression Wiring filed on Mar. 29, 2005, now Pat. No. 7,621,939, which and Fusion for Mid to Low Cervical Spinal Injuries,” J. Neurosurg. is a division of application No. 09/842,819, filed on Jun. 1989, pp. 893-899, vol. 70. Apr. 26, 2001, now Pat. No. 7,201,751, which is a continuation-in-part of application No. 09/579,039, (Continued) filed on May 26, 2000, now Pat. No. 6,451,019, which Primary Examiner — Pedro Philogene is a continuation-in-part of application No. (74) Attorney, Agent, or Firm — Coats and Bennett, P.L.L.C. 09/473,173, filed on Dec. 28, 1999, now Pat. No. (57) ABSTRACT 6,235,030, which is a continuation of application No. A method for stabilizing at least one spinal motion segment 09/179,570, filed on Oct. 27, 1998, now Pat. No. includes an expandable spacer in a collapsed State into the 6,048.342, which is a continuation-in-part of interspinous space between Superior and inferior Vertebrae application No. 08/958,281, filed on Oct. 27, 1997, Such that the spacer extends through the Sagittal plane defined by the spinous processes of the Superior and inferior verte now Pat. No. 5,860,977, which is a brae. The spacer has a flexible membrane defining an interior continuation-in-part of application No. 08/778,093, cavity. The method includes expanding the spacer to an filed on Jan. 2, 1997, now Pat. No. 5,836,948, said expanded state by forcing a fill material in a fluid state into the application No. 1 1/788.763 is a continuation-in-part of cavity with the spacer disposed in the interspinous space, and application No. 10/684,847, filed on Oct. 14, 2003, thereafter solidifying the fill material to a solid state in the now Pat. No. 7.306.628, said application No. cavity. The method may be performed through a percutane 11/788.763 is a continuation-in-part of application No. ous penetration in the patient’s skin and may cause the first 11/003,555, filed on Dec. 3, 2004, now and second vertebrae to be distracted. abandoned, said application No. 1 1/788,763 is a 4 Claims, 118 Drawing Sheets US 8,349,013 B2 Page 2

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Surgery and Therapy for Spine and Nerves, Alexandre et al., eds., Wilke et al., "Biomedical Effect of Different Lumbar Interspinous 2011, pp. 177-182, Spinger-Verlat/Wien. Implants on Flexibility and Intradiscal Pressure.” EurSpine J. Vo. 17. Phillipset al., “Biomechanics of Posterior Dynamic Stabiling Device published online Jun. 27, 2008, pp. 1049-1056. (DIAM) After and Disectomy.” The Spine Journal, Zhao et al., “Efficacy of the Dynamic Interspinous Assisted Motion 2006, vol. 6, pp. 714-722. System in Clinical Treatment of Degenerative Lumbar Disease.” Taylor et al., “Device for Intervertebral Assisted Motion: Technique Chin. Med. J., 2010, vol. 123, No. 21, pp. 2974-2977. and Intial Results.” 22 NeuroSurg. Focus, Jan. 2007, vol. 22, No. 1, pp. 1-6. * cited by examiner U.S. Patent Jan. 8, 2013 Sheet 1 of 118 US 8,349,013 B2

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