US 12,029,656 B2
Customized intervertebral prosthetic disc with shock absorption
Malan de Villiers, Wapadrand (ZA); David Hovda, Mountain View, CA (US); and James Shapiro, San Francisco, CA (US)
Assigned to Globus Medical Inc., Audubon, PA (US)
Filed by Simplify Medical Pty Ltd, Melbourne (AU)
Filed on Jan. 3, 2022, as Appl. No. 17/567,243.
Application 13/941,121 is a division of application No. 12/883,068, filed on Sep. 15, 2010, granted, now 8,506,631, issued on Aug. 13, 2013.
Application 12/883,068 is a division of application No. 11/836,684, filed on Aug. 9, 2007, abandoned.
Application 17/567,243 is a continuation of application No. 16/705,894, filed on Dec. 6, 2019, granted, now 11,229,526.
Application 16/705,894 is a continuation of application No. 15/795,184, filed on Oct. 26, 2017, granted, now 10,548,739, issued on Feb. 4, 2020.
Application 15/795,184 is a continuation of application No. 15/606,587, filed on May 26, 2017, granted, now 9,827,108, issued on Nov. 28, 2017.
Application 15/606,587 is a continuation of application No. 15/368,437, filed on Dec. 2, 2016, granted, now 9,687,355, issued on Jun. 27, 2017.
Application 15/368,437 is a continuation of application No. 13/941,121, filed on Jul. 12, 2013, granted, now 9,554,917, issued on Jan. 31, 2017.
Prior Publication US 2022/0117752 A1, Apr. 21, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 2/44 (2006.01); A61F 2/46 (2006.01); A61F 2/30 (2006.01)
CPC A61F 2/4425 (2013.01) [A61F 2/442 (2013.01); A61F 2/447 (2013.01); A61F 2/4611 (2013.01); A61F 2002/30383 (2013.01); A61F 2002/30405 (2013.01); A61F 2002/30495 (2013.01); A61F 2002/305 (2013.01); A61F 2002/30563 (2013.01); A61F 2002/30568 (2013.01); A61F 2002/30579 (2013.01); A61F 2002/30601 (2013.01); A61F 2002/30616 (2013.01); A61F 2002/30617 (2013.01); A61F 2002/30662 (2013.01); A61F 2002/30663 (2013.01); A61F 2002/30673 (2013.01); A61F 2002/3071 (2013.01); A61F 2002/30841 (2013.01); A61F 2002/30884 (2013.01); A61F 2002/30899 (2013.01); A61F 2002/30904 (2013.01); A61F 2002/443 (2013.01); A61F 2002/4628 (2013.01); A61F 2220/0025 (2013.01); A61F 2250/0085 (2013.01); A61F 2250/0097 (2013.01); A61F 2310/00017 (2013.01); A61F 2310/00023 (2013.01); A61F 2310/00029 (2013.01); A61F 2310/00179 (2013.01); A61F 2310/00407 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A core for an intervertebral prosthesis, the core comprising:
an upper component having an upper surface;
a lower component having a lower surface, wherein a spacing between the upper component and the lower component defines an inner chamber of the core;
a resilient material disposed between the upper component and the lower component, wherein the resilient material allows the upper component and the lower component to move toward and away from each other; and
at least one spring disposed between the upper component and the lower component, wherein the at least one spring is disposed within the resilient material.