US 12,005,160 B2
Implantable medical devices
Anthony J. Melkent, Memphis, TN (US); Brian R. Thoren, Memphis, TN (US); Timothy J. N. Smith, Kingston (CA); Ian D. Grant, Belleville (CA); and Ian R. Dunkley, Kingston (CA)
Assigned to Warsaw Orthopedic, Inc., Warsaw, IN (US)
Filed by WARSAW ORTHOPEDIC INC., Warsaw, IN (US)
Filed on Aug. 18, 2020, as Appl. No. 16/996,245.
Application 16/996,245 is a division of application No. 15/088,798, filed on Apr. 1, 2016, granted, now 10,933,172.
Application 15/088,798 is a division of application No. 12/508,856, filed on Jul. 24, 2009, granted, now 9,399,086, issued on Jul. 26, 2016.
Prior Publication US 2020/0376174 A1, Dec. 3, 2020
Int. Cl. A61L 31/12 (2006.01); A61F 2/44 (2006.01); A61L 27/42 (2006.01); A61L 27/56 (2006.01); A61L 27/58 (2006.01); B05D 1/18 (2006.01); B05D 3/02 (2006.01); B29C 45/00 (2006.01); B29C 45/14 (2006.01); C04B 38/00 (2006.01); C04B 41/45 (2006.01); C04B 41/81 (2006.01); C08L 71/12 (2006.01); A61F 2/30 (2006.01); A61L 27/46 (2006.01); B29K 71/00 (2006.01); B29L 31/00 (2006.01)
CPC A61L 31/121 (2013.01) [A61F 2/4455 (2013.01); A61L 27/425 (2013.01); A61L 27/56 (2013.01); A61L 27/58 (2013.01); B05D 1/18 (2013.01); B05D 3/0272 (2013.01); B29C 45/0055 (2013.01); B29C 45/14795 (2013.01); C04B 38/0051 (2013.01); C04B 41/4586 (2013.01); C04B 41/81 (2013.01); C08L 71/12 (2013.01); A61F 2002/30028 (2013.01); A61F 2002/30032 (2013.01); A61F 2002/30062 (2013.01); A61F 2002/30187 (2013.01); A61F 2002/30593 (2013.01); A61F 2/30724 (2013.01); A61F 2002/30957 (2013.01); A61F 2002/30973 (2013.01); A61L 27/46 (2013.01); A61L 2400/08 (2013.01); A61L 2400/18 (2013.01); A61L 2420/02 (2013.01); A61L 2420/04 (2013.01); B29C 2045/0058 (2013.01); B29K 2071/00 (2013.01); B29L 2031/7532 (2013.01); C04B 2235/606 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for producing a medical implant, the method comprising:
providing a foam with interconnected pores;
impregnating the foam with a slurry of ceramic material to provide a coated foam structure wherein struts of the coated foam structure are coated with the slurry and voids of the coated foam structure are substantially filled with the slurry;
heating and sintering the coated foam structure to provide a ceramic matrix having a plurality of interconnected macropores defined by a plurality of interconnected struts;
sintering the ceramic matrix; and
infusing a filler material into and throughout the macropores,
wherein the interconnected struts each comprise a hollow portion, the hollow portions remaining substantially free of the filler material after the filler material is infused into and throughout the macropores.