US 12,453,635 B2
Joint implant for administering a pharmaceutical product
Helmut D. Link, Hamburg (DE); and Hans-Joachim Fischer, Norderstedt (DE)
Assigned to WALDEMAR LINK GmbH & Co. KG, Hamburg (DE)
Appl. No. 17/626,017
Filed by WALDEMAR LINK GmbH & Co. KG, Hamburg (DE)
PCT Filed Jul. 9, 2020, PCT No. PCT/EP2020/069359
§ 371(c)(1), (2) Date Jan. 10, 2022,
PCT Pub. No. WO2021/005152, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 19185710 (EP), filed on Jul. 11, 2019.
Prior Publication US 2022/0249238 A1, Aug. 11, 2022
Int. Cl. A61F 2/30 (2006.01); A61F 2/38 (2006.01); A61F 2/46 (2006.01)
CPC A61F 2/384 (2013.01) [A61F 2002/30367 (2013.01); A61F 2002/30387 (2013.01); A61F 2002/30405 (2013.01); A61F 2002/30433 (2013.01); A61F 2002/30492 (2013.01); A61F 2002/30507 (2013.01); A61F 2002/30593 (2013.01); A61F 2002/30672 (2013.01); A61F 2002/3068 (2013.01); A61F 2002/30827 (2013.01); A61F 2002/4631 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A joint implant component for administering a pharmaceutical product, comprising an implant shaft, a joint section arranged at a proximal end of the implant shaft, a flush supply opening and a backflush opening, wherein:
a connection with the flush supply opening is in a connection recess made laterally in the joint section, wherein the connection is set back and does not protrude beyond an outer contour of the joint section,
said implant shaft comprises a shaft flush channel and a shaft backflush channel extending along the implant shaft inside the implant shaft,
said shaft flush channel is connected to the outside of the implant shaft via shaft flush holes for discharging the pharmaceutical product, and the shaft backflush channel is connected to the outside of the implant shaft via at least one shaft backflush hole for receiving the discharged pharmaceutical product,
the flush supply opening is fluidically connected to the proximal end of the shaft flush channel,
the backflush opening is fluidically connected to the proximal end of the shaft backflush channel, and
wherein the flush supply opening is provided in the joint section and the joint section comprises a joint section flush passage connecting the flush supply opening to the shaft flush channel, the joint section comprising joint section flush holes connected to the flush supply opening, wherein the joint section flush passage comprises at least one branch that connects the flush supply opening to the joint section flush holes.