US 12,290,660 B2
Heating elements for thermally-driven phase transition implantable micropump
Wolfram Frederik Dueck, Hannover (DE); Daniel Smyth, Mechelen (BE); and Jonathon Kirk, Centennial (AU)
Assigned to Cochlear Limited, Macquarie University (AU)
Appl. No. 17/274,760
Filed by Cochlear Limited, Macquarie University (AU)
PCT Filed Dec. 31, 2019, PCT No. PCT/IB2019/061465
§ 371(c)(1), (2) Date Mar. 9, 2021,
PCT Pub. No. WO2020/144534, PCT Pub. Date Jul. 16, 2020.
Claims priority of provisional application 62/789,677, filed on Mar. 9, 2021.
Prior Publication US 2022/0047804 A1, Feb. 17, 2022
Int. Cl. A61M 5/142 (2006.01); A61F 2/18 (2006.01); A61M 5/168 (2006.01)
CPC A61M 5/14276 (2013.01) [A61F 2/18 (2013.01); A61M 5/14228 (2013.01); A61M 5/16804 (2013.01); A61F 2002/183 (2013.01); A61F 2250/0068 (2013.01); A61M 2205/3653 (2013.01)] 23 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an enclosure containing a hermetically sealed region and a non-hermetically sealed region, the enclosure configured to be implanted on or within a recipient;
circuitry within the hermetically sealed region, the circuitry configured to generate signals;
at least one heating element configured to receive the signals and to generate heat in response to the signals; and
at least one flow control element within the non-hermetically sealed region, the at least one flow control element configured to respond to the heat by controlling a flow of liquid through at least one cannula.