US 12,264,677 B2
Device to assist the performance of a heart
Werner Mohl, Altenmarkt-Thenneberg (AT)
Assigned to Miracor Medical SA, (BE)
Filed by Miracor Medical SA, Awans (BE)
Filed on Oct. 8, 2024, as Appl. No. 18/909,088.
Application 13/555,318 is a division of application No. 12/449,632, granted, now 8,255,050, issued on Aug. 28, 2012, previously published as PCT/IB2008/000421, filed on Feb. 27, 2008.
Application 18/909,088 is a continuation of application No. 18/906,911, filed on Oct. 4, 2024.
Application 18/906,911 is a continuation of application No. 18/795,656, filed on Aug. 6, 2024.
Application 18/795,656 is a continuation of application No. 18/740,119, filed on Jun. 11, 2024, granted, now 12,117,007.
Application 18/740,119 is a continuation of application No. 18/363,166, filed on Aug. 1, 2023, granted, now 12,104,600, issued on Oct. 1, 2024.
Application 18/363,166 is a continuation of application No. 18/308,958, filed on Apr. 28, 2023, granted, now 11,754,077, issued on Sep. 12, 2023.
Application 18/308,958 is a continuation of application No. 18/087,083, filed on Dec. 22, 2022, granted, now 11,674,517, issued on Jun. 13, 2023.
Application 18/087,083 is a continuation of application No. 17/446,046, filed on Aug. 26, 2021, granted, now 11,572,879, issued on Feb. 7, 2023.
Application 17/446,046 is a continuation of application No. 16/282,948, filed on Feb. 22, 2019, granted, now 11,123,540, issued on Sep. 21, 2021.
Application 16/282,948 is a continuation of application No. 14/454,965, filed on Aug. 8, 2014, granted, now 10,251,984.
Application 14/454,965 is a continuation of application No. 13/555,318, filed on Jul. 23, 2012, granted, now 8,801,590, issued on Aug. 12, 2014.
Claims priority of application No. A 306/2007 (AT), filed on Feb. 27, 2007.
Prior Publication US 2025/0035119 A1, Jan. 30, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 60/523 (2021.01); A61M 60/13 (2021.01); A61M 60/148 (2021.01); A61M 60/17 (2021.01); A61M 60/237 (2021.01); A61M 60/405 (2021.01); A61M 60/419 (2021.01); A61M 60/422 (2021.01); A61M 60/861 (2021.01); F04D 13/02 (2006.01); A61M 60/414 (2021.01); A61M 60/833 (2021.01)
CPC F04D 13/027 (2013.01) [A61M 60/13 (2021.01); A61M 60/148 (2021.01); A61M 60/17 (2021.01); A61M 60/237 (2021.01); A61M 60/405 (2021.01); A61M 60/419 (2021.01); A61M 60/422 (2021.01); A61M 60/523 (2021.01); A61M 60/861 (2021.01); A61M 60/414 (2021.01); A61M 60/833 (2021.01)] 34 Claims
OG exemplary drawing
 
1. A heart assist pump device configured to be positioned within a patient's body and comprising:
a blood flow path comprising:
an inflow tube with a distal suction end configured to be inserted into a ventricle of a heart, wherein the inflow tube is substantially linear and comprises a central axis, wherein the distal suction end is aligned with the central axis;
a first chamber comprising one or more side walls and a substantially planar bottom wall having an inner surface that is located at a position that is axially opposite of the distal suction end, the first chamber in fluid communication with the inflow tube, wherein the first chamber is axially aligned with the distal suction end and with the central axis; and
a blood outflow path located downstream of the inflow tube and in fluid communication with the first chamber and with a blood vessel of the body, and configured to direct blood in at least one direction that is not axially aligned with the central axis;
a magnetic rotor assembly comprising a rotor and a first magnetic device, wherein the entire magnetic rotor assembly is located entirely within the first chamber, wherein the first magnetic device is a single magnetic device that is axially adjacent to the rotor and rigidly coupled to the rotor;
a second magnetic device associated with, and sealed from, the magnetic rotor assembly and wherein the second magnetic device is configured to couple magnetically with the first magnetic device to rotate the magnetic rotor assembly, wherein the second magnetic device is a single magnetic device,
wherein the magnetic rotor assembly and the second magnetic device are axially aligned with the central axis and with the distal suction end of the inflow tube, and
wherein a magnetic coupling between the first magnetic device and the second magnetic device is configured to rotate the magnetic rotor assembly, and to orient the magnetic rotor assembly within the first chamber to control a radial position of the magnetic rotor assembly within the first chamber such that the magnetic rotor assembly is entirely spaced away from the one or more side walls of the first chamber by the magnetic coupling to define a gap between the one or more side walls of the first chamber and the magnetic rotor assembly, the gap configured for blood flow therethrough,
wherein the magnetic rotor assembly further comprises guide surfaces in fluid communication with the blood flowing through the blood flow path and the blood outflow path, the guide surfaces configured to produce centrifugal components within the blood within the first chamber during rotation of the magnetic rotor assembly,
wherein at least the guide surfaces of the magnetic rotor assembly are configured to drive the blood flow along the blood outflow path.