US 12,138,418 B2
Fluid drug spread-promoting pump
Touby A. Drew, Eden Prairie, MN (US); and Jeffrey P. Bodner, Plymouth, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Filed by Medtronic, Inc., Minneapolis, MN (US)
Filed on Oct. 5, 2022, as Appl. No. 17/938,224.
Claims priority of provisional application 63/283,126, filed on Nov. 24, 2021.
Prior Publication US 2023/0158225 A1, May 25, 2023
Int. Cl. A61M 5/14 (2006.01)
CPC A61M 5/14 (2013.01) [A61M 2205/3523 (2013.01); A61M 2205/50 (2013.01)] 21 Claims
OG exemplary drawing
 
1. An implantable infusate spread promoting system configured to enable improved dispersion of delivered infusate, the system comprising:
an implantable device configured to enable infusate delivery to a target site within a body of a patient, wherein an implantable pump or implantable port disburses a first quantity of infusate to the target site; and
an implantable manually actuatable flushing pump configured to remove and re-inject mixtures of bodily fluid and at least a portion of the first quantity of infusate from and to the target site with repeated pump actuation, wherein the repeated pump actuation promotes improved dispersion of the delivered infusate at the target site.