US 12,336,911 B2
Orthopedic implants and methods
Jon A. Harmon, Byhalia, MS (US); Ruxandra C. Marinescu Tanasoca, Memphis, TN (US); Ryan Landon, Olive Branch, MS (US); Mark Housman, North Attleboro, MA (US); and Sean Haddock, Germantown, TN (US)
Assigned to Smith & Nephew, Inc., Memphis, TN (US)
Appl. No. 16/650,239
Filed by Smith & Nephew, Inc., Memphis, TN (US)
PCT Filed Oct. 26, 2018, PCT No. PCT/US2018/057654
§ 371(c)(1), (2) Date Mar. 24, 2020,
PCT Pub. No. WO2019/084363, PCT Pub. Date May 2, 2019.
Claims priority of provisional application 62/577,205, filed on Oct. 26, 2017.
Prior Publication US 2020/0306050 A1, Oct. 1, 2020
Int. Cl. A61F 2/38 (2006.01); A61F 2/30 (2006.01)
CPC A61F 2/389 (2013.01) [A61F 2002/3082 (2013.01); A61F 2002/30841 (2013.01); A61F 2002/30845 (2013.01); A61F 2002/30878 (2013.01); A61F 2002/30879 (2013.01); A61F 2002/30884 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A tibial component comprising:
a tibial tray having a superior side, an inferior side, a posterior side, an anterior side, a first side, a second side, and a rim defining a periphery thereof; and
a support member connected to the inferior side of the tibial tray, the support member having a stem portion, the stem portion including a plurality of fins, the plurality of fins including a plurality of fins having a first configuration and a plurality of fins having a second configuration, wherein the plurality of fins having the first configuration have a longer length as compared to the plurality of fins having the second configuration as measured along the inferior side;
wherein the plurality of fins having the first configuration include a first fin and a second fin, the first fin extending from the stem portion toward the rim, the first fin extending posteriorly and toward the first side, the second fin extending from the stem portion toward the rim, the second fin extending posteriorly and toward the second side, each of the first and second fins including a curved profile as they extend from the stem portion towards the first and second sides, respectively, the curved profile bending about an axis that is perpendicular to the superior side; and
wherein the plurality of fins having the second configuration include a third fin and a fourth fin, the third fin extending from the stem portion toward the rim, the third fin extending anteriorly and toward the first side, the fourth fin extending from the stem portion toward the rim, the fourth fin extending anteriorly and toward the second side; the third fin including a length extending from the stem portion towards an anterior edge of the third fin, the fourth fin including a length extending from the stem portion towards an anterior edge of the fourth fin, the length of the fourth fin being greater than the length of the third fin.