# US 10,946,128 B2 · Self-contained heart pump > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,946,128 B2 - Document ID: US10946128B2 - Status: Granted - Kind: B2 - Application number: 15/885,963 - Filed: 2018-02-01 - Published: 2018-06-07 - Granted: 2021-03-16 - Earliest claimed: 2010-01-28 - Assignees: Fineheart - Applicants: Fineheart - Inventors: Stephane Garrigue - Web page: https://patentgrep.com/patent/US10946128B2 ## CPC - A61M 60/17: inside a ventricle, e.g. intraventricular balloon pumps - A61M 60/422: the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps - A61M 60/178: drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices - A61M 60/216: including a rotating member acting on the blood, e.g. impeller - A61M 60/237: the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps - A61M 60/419: the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets - A61M 60/515: Regulation using real-time patient data - A61M 60/546: of blood flow, e.g. by adapting rotor speed - A61M 60/569: synchronous with the native heart beat - A61M 60/81: Pump housings - A61M 60/863: Apex rings - A61M 60/876: Implantable batteries - A61N 1/365: controlled by a physiological parameter, e.g. heart potential {(evoked response A61N1/371)} - A61N 1/375: Constructional arrangements, e.g. casings - A61N 1/3962: {in combination with another heart therapy} - A61M 60/148: in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices - A61M 2205/054: with electrotherapy - A61M 2205/33: Controlling, regulating or measuring - A61M 2205/3303: Using a biosensor - A61M 2205/3334: Measuring or controlling the flow rate - A61M 2205/3523: using telemetric means - A61M 2205/8206: battery-operated - A61M 2210/125: Heart - A61M 2230/04: Heartbeat characteristics, e.g. ECG, blood pressure modulation - A61N 1/37288: {Communication to several implantable medical devices within one patient} - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) ## Abstract A heart pump includes a rotative impeller partly inserted into the systemic ventricle, this rotative impeller being equipped with a membrane sutured to the outer wall of the heart in such a way as to secure the rotative impeller to the wall of the heart, a housing arranged inside the systemic ventricle in such a way as to draw up then discharge blood, a motor connected to the housing and arranged partly outside the systemic ventricle in such a way as to facilitate maintenance; an integrated management unit in the epigastric region including a power supply and a rotative impeller control unit; and a wired link between the management unit and the rotative impeller. ## Claims ### Claim 1 A heart pump configured to be inserted, in an implanted state, partly into a systemic ventricle of a heart, through a wall of the heart, the heart pump comprising: a housing comprising at least one first opening on its side wall to allow for the drawing up of blood directly from the systemic ventricle, and a second opening configured to be inside the systemic ventricle in the implanted state for the discharge of blood directly inside the systemic ventricle through sigmoid valves of the systemic ventricle; an impeller inserted inside the housing; a motor connected to the housing at an opposite side of the second opening; a sealing and fixing membrane fastened to and around the motor; a management unit comprising a power supply, and an impeller control unit; a wired link between the management unit and the impeller; and an activity sensor configured to collect cardiac activity to synchronize an operation of the impeller with electrosystolic activity of the heart. ### Claim 2 (depends on 1) The heart pump according to claim 1, wherein the sealing and fixing membrane is circular thereby being configured to ensure a complete seal and secure the heart pump to the bottom part of the heart near an apex of the heart. ### Claim 3 (depends on 2) The heart pump according to claim 2, wherein the impeller is a rotary impeller and comprises a propeller shaft disposed in the housing. ### Claim 4 (depends on 2) The heart pump according to claim 2, wherein the impeller is a rotary impeller and comprises an Archimedes screw or worm shaft disposed in the housing. ### Claim 5 (depends on 1) The heart pump according to claim 1, wherein the impeller is a rotary impeller and comprises a propeller shaft disposed in the housing. ### Claim 6 (depends on 1) The heart pump according to claim 1, wherein the impeller is a rotary impeller and comprises an Archimedes screw or worm shaft disposed in the housing. ### Claim 7 (depends on 1) The heart pump according to claim 1, wherein the housing is a longilinear cylinder, a side wall of which is perforated to enable a discharge of drawn blood, and an axis of rotation of which is facing corresponding sigmoid valves. ### Claim 8 (depends on 1) The heart pump according to claim 1, wherein the management unit is biocompatible and is configured to be positioned inside the patient in an epigastric region. ### Claim 9 (depends on 1) The heart pump according to claim 1, wherein at least the motor is removable. ### Claim 10 (depends on 1) The heart pump according to claim 1, wherein the power supply comprises at least one rechargeable battery. ### Claim 11 (depends on 1) The heart pump according to claim 1, wherein the activity sensor is configured to be connected to the wall of the heart and having a wired link to the management unit. ### Claim 12 (depends on 1) The heart pump according to claim 1, further comprising a cardiac activity collection and stimulation sensor configured to be connected to a wall of the systemic ventricle and configured to communicate with the management unit. ### Claim 13 (depends on 1) The heart pump according to claim 1, further comprising a cardiac activity collection and stimulation non-systemic sensor configured to be connected to a wall of the non-systemic ventricle and configured to communicate with the management unit. ### Claim 14 (depends on 1) The heart pump according to claim 1, further comprising a cardiac activity collection and stimulation atrium sensor configured to be connected to a wall of a systemic atrium and configured to communicate with the management unit. ### Claim 15 (depends on 1) The heart pump according to claim 1, further comprising a cardiac activity collection, stimulation and defibrillation sensor configured to be connected to the wall of the heart and having a wired link to the management unit, wherein the control unit is configured as a defibrillator. ### Claim 16 (depends on 1) The heart pump according to claim 1, wherein the management unit has a wireless link to a defibrillator. ### Claim 17 (depends on 1) The heart pump according to claim 1, further comprising a second impeller configured to be positioned on a non-systemic ventricle and linked to said management unit. ### Claim 18 A method of regulating blood flow in a heart by a heart pump, the method comprising: providing a heart pump configured to be attached to the heart and configured to be inserted, in an implanted state, partly into a systemic ventricle of the heart, through a wall of the heart, the heart pump including: a housing comprising at least one first opening on its side wall in such a way as to allow for the drawing up of blood directly from the systemic ventricle and, a second opening for the discharge of blood directly inside the systemic ventricle through sigmoid valves of the systemic ventricle, an impeller inserted inside the housing, a motor connected to the housing at opposite side of the second opening, a sealing and fixing membrane fastened to and around the motor, a management unit comprising a power supply, and an impeller control unit, a wired link between the management unit and the impeller, and an activity sensor configured to collect cardiac activity to synchronize an operation of the impeller with electrosystolic activity of the heart; collecting cardiac activity using the activity sensor to synchronize an operation of the impeller with electrosystolic activity of the heart by identifying a start of electrical activation and synchronizing the impeller with the opening of the valves; and controlling a speed and an operating time of the pump in order to regulate blood flow when the heart pump is attached to the heart based on predetermined control laws or based on an automatic control instruction relating to cardiac activity and using the activity sensor. ### Claim 19 (depends on 18) The method according to claim 18, wherein at least at least one stimulation sensor is configured to be connected to the wall of the heart and is configured to stimulate the heart to regulate blood flow, the at least one stimulation sensor having a wired link to the management unit.