US 12,011,606 B2
Intermediate member with protrusions for medical device battery assemblies
Jeffrey J. Louwagie, Minnetonka, MN (US); Joseph J. Viavattine, Vadnais Heights, MN (US); Richard W. Swenson, Edina, MN (US); and Jason P. Weiand, Lake Elmo, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Filed by Medtronic, Inc., Minneapolis, MN (US)
Filed on Nov. 13, 2020, as Appl. No. 17/097,903.
Claims priority of provisional application 62/955,556, filed on Dec. 31, 2019.
Prior Publication US 2021/0196961 A1, Jul. 1, 2021
Int. Cl. A61N 1/378 (2006.01); H01M 10/654 (2014.01); H01M 10/658 (2014.01)
CPC A61N 1/378 (2013.01) [H01M 10/654 (2015.04); H01M 10/658 (2015.04); H01M 2220/30 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A battery assembly, the assembly comprising:
a housing;
an electrode stack comprising a plurality of electrode plates disposed inside the housing; and
an intermediate member configured to align the electrode stack at a fixed position within the housing, the intermediate member comprising:
a plurality of side walls; and
a plurality of protrusions disposed on an exterior surface of the plurality of side walls,
wherein the plurality of protrusions comprise a same material as the plurality of side walls and are formed together through injection-molding or insertion-molding as a single component with the plurality of side walls, and wherein at least one protrusion of the plurality of protrusions is in thermal contact with an interior surface of the housing, and
wherein the side walls define a top edge and a bottom edge, wherein the at least one protrusion extends from the top edge toward the bottom edge, and wherein the at least one protrusion does not extend entirely to the bottom edge of the intermediate member.