US 11,833,343 B2
Diffusion and infusion resistant implantable devices for reducing pulsatile pressure
Karl Vollmers, Minneapolis, MN (US); Lynn Zwiers, Lino Lakes, CA (US); John Gainor, Mendota Heights, MN (US); and John Scandurra, Saint Paul, MN (US)
Assigned to Aria CV, Inc., St. Paul, MN (US)
Filed by Aria CV, Inc., St. Paul, MN (US)
Filed on Oct. 7, 2021, as Appl. No. 17/496,719.
Application 17/496,719 is a continuation of application No. 17/011,870, filed on Sep. 3, 2020, granted, now 11,141,581.
Claims priority of provisional application 62/897,166, filed on Sep. 6, 2019.
Prior Publication US 2022/0023614 A1, Jan. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 60/869 (2021.01); A61M 60/268 (2021.01); A61M 60/122 (2021.01); A61M 60/135 (2021.01); A61M 60/00 (2021.01); A61M 60/274 (2021.01); A61B 17/12 (2006.01); A61M 1/00 (2006.01); A61M 29/02 (2006.01); C01B 17/00 (2006.01); C01B 17/45 (2006.01); A61B 17/00 (2006.01)
CPC A61M 60/869 (2021.01) [A61B 17/12022 (2013.01); A61B 17/12027 (2013.01); A61B 17/12036 (2013.01); A61B 17/12109 (2013.01); A61B 17/12131 (2013.01); A61B 17/12136 (2013.01); A61M 1/00 (2013.01); A61M 29/02 (2013.01); A61M 60/00 (2021.01); A61M 60/122 (2021.01); A61M 60/135 (2021.01); A61M 60/268 (2021.01); A61M 60/274 (2021.01); C01B 17/00 (2013.01); C01B 17/45 (2013.01); C01B 17/453 (2013.01); C01B 17/4507 (2013.01); C01B 17/4515 (2013.01); A61B 2017/00535 (2013.01); A61B 2017/00557 (2013.01); A61M 2202/025 (2013.01); A61M 2202/0208 (2013.01); A61M 2202/0225 (2013.01); A61M 2202/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for introducing fluids into an implantable system, the method comprising:
implanting a balloon within a blood vessel of a patient;
determining an amount of a diffusion-resistant fluid to introduce into the balloon and introducing the amount of the diffusion-resistant fluid into the balloon;
determining an amount of one or more constituent fluids to introduce into the balloon and introducing the amount of the one or more constituent fluids into the balloon;
permitting the one or more constituent fluids to equilibrate across the balloon such that each of the one or more constituent fluids is pressurized within the balloon to match their respective partial pressure in the blood surrounding the balloon within the blood vessel; and
after a predetermined time period, determining a current volume of fluids within the balloon and either extracting fluids from the balloon or introducing an additional amount of the diffusion-resistant fluid into the balloon to achieve a desired active volume of fluids within the balloon.