# US 2014/0207232 A1 · Removable heart pump, and method implemented in such a pump > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0207232 A1 - Document ID: US20140207232A1 - Status: Published application - Kind: A1 - Application number: 14/235,200 - Filed: 2011-07-28 - Published: 2014-07-24 - Earliest claimed: 2011-07-28 - Assignees: Fineheart - Applicants: Fineheart - Inventors: Stephane Garrigue - Web page: https://patentgrep.com/patent/US20140207232A1 ## CPC - A61M 60/422: the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps - A61M 60/17: inside a ventricle, e.g. intraventricular balloon 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 60/515: Regulation using real-time patient data - A61M 60/538: Regulation using real-time blood pump operational parameter data, e.g. motor current - A61M 60/863: Apex rings - A61M 60/148: in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices - A61M 2205/33: Controlling, regulating or measuring - A61M 2205/3303: Using a biosensor - 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)} ## Abstract The heart pump includes: a rotary impeller inserted in the systemic ventricle, the rotary impeller being provided with: a sealing membrane sutured onto the outer wall of the heart so as to secure the rotary impeller to the wall of the heart; a casing arranged inside the systemic ventricle such as to be able to suction and then discharge the blood; a preferably brushless motor connected to the casing and arranged inside the systemic ventricle and/or in the body of the ventricle, so as to facilitate maintenance; a managing unit installed in the epigastric region and including a preferably rechargeable power source and a unit for controlling the rotary impeller; a wired link between the managing unit and the rotary impeller; and a system for transmitting haemodynamic and rhythmic data measured by the heat pump via telemedicine. ## Claims ### Claim at position 1 1-19. (canceled) ### Claim 20 Heart pump comprising: an impeller (14) intended to be inserted in the systemic ventricle (5) of a heart, through the wall of said heart, this impeller being provided with: a sealing and fixing membrane (19) intended to be partly sutured on the external wall of the heart so as to make the a housing (18) integral with the sealing and fixing membrane (19), this housing being intended to be arranged within the systemic ventricle, a motor (15) arranged in the systemic ventricle and/or in the thickness of the ventricle, so as to aspirate and then eject blood, from the bottom, into the systemic ventricle, outside the impeller and in the direction of sigmoid valves (7) of the systemic ventricle, through the housing the sealing membrane being associated with a fixing system fixed to the motor and/or the housing within the thickness of the wall of the heart, a management unit (12) comprising a power supply (23) and a unit (24) for controlling the impeller; and a connecting wire (13) between the management unit and the impeller. ### Claim 21 (depends on 20) The heart pump according to claim 20, wherein the motor (15) is a brushless motor. ### Claim 22 (depends on 20) The heart pump according to claim 20, wherein the impeller constitutes a removable unit interchangeable via the wall of the systemic ventricle. ### Claim 23 (depends on 20) The heart pump according to claim 20, wherein the sealing and fixing membrane (19) is fixed so as to ensure a perfect seal and make the impeller integral with the lower part of the heart near the cardiac apex. ### Claim 24 (depends on 20) The heart pump according to claim 20, wherein the motor is of the rotary type and comprises a drive shaft of the rotor type (16) equipped with vanes or an endless screw, said drive shaft being arranged in the housing. ### Claim 25 (depends on 20) The heart pump according to claim 20, wherein the housing (18) is a slender cylinder the side wall of which is of openwork construction so as to allow the flow of aspirated blood, and the axis of revolution of which is in the direction of corresponding sigmoid valves. ### Claim 26 (depends on 20) The heart pump according to claim 20, wherein the management unit (12) is biocompatible so that it can be arranged inside the patient in the epigastric region. ### Claim 27 (depends on 20) The heart pump according to claim 20, wherein the power supply (23) comprises at least one rechargeable battery. ### Claim 28 (depends on 20) The heart pump according to claim 20, further comprising an activity sensor (S1), for collecting data on cardiac activity so as to synchronize the operation of the impeller with the electrosystolic cardiac activity; said activity sensor being connected to a wall of the heart. ### Claim 29 (depends on 20) The heart pump according to claim 20, further comprising a systemic sensor (S2) for collecting data on cardiac activity and for stimulation, said systemic sensor being connected to the wall of the systemic ventricle and able to communicate with the management unit. ### Claim 30 (depends on 20) The heart pump according to claim 20, further comprising a non-systemic sensor (S3) for collecting data on cardiac activity and for stimulation, said non-systemic sensor being connected to the wall of the non-systemic ventricle and able to communicate with the management unit. ### Claim 31 (depends on 20) The heart pump according to claim 20, further comprising an atrium sensor (S4) for collecting data on cardiac activity and for stimulation, said atrium sensor being connected to the wall of the systemic atrium and able to communicate with the management unit. ### Claim 32 (depends on 20) The heart pump according to claim 20, further comprising a defibrillation sensor (S5) for collecting data on cardiac activity, for stimulation and for defibrillation, said defibrillation sensor being connected to the wall of the heart and connected by wire to the management unit; the control unit being moreover configured as a defibrillator. ### Claim 33 (depends on 20) The heart pump according to claim 20, wherein the management unit (12) is connected wirelessly to a defibrillator. ### Claim 34 (depends on 20) The heart pump according to claim 20, further comprising a second impeller arranged on the non-systemic ventricle and connected to said management unit. ### Claim 35 (depends on 20) The heart pump according to claim 20, wherein the management unit (12) comprises a wireless transmitter-receiver for transmitting data for monitoring by telecardiology. ### Claim 36 Method for regulating the blood flow in a heart by means of a heart pump comprising: an impeller (14) intended to be inserted in the systemic ventricle (5) of a heart, through the wall of said heart, this impeller being provided with: a sealing and fixing membrane (19) intended to be partly sutured on the external wall of the heart so as to make the impeller integral with the wall of the heart, a housing (18) integral with the sealing and fixing membrane (19), this housing being intended to be arranged within the systemic ventricle, a motor (15) arranged in the systemic ventricle and/or in the thickness of the ventricle, so as to aspirate and then eject blood, from the bottom, into the systemic ventricle, outside the impeller and in the direction of sigmoid valves (7) of the systemic ventricle, through the housing; the sealing membrane being associated with a fixing system fixed to the motor and/or the housing within the thickness of the wall of the heart, a management unit (12) comprising a power supply (23) and a unit (24) for controlling the impeller; and a connecting wire (13) between the management unit and the impeller; and in said method the blood flow is regulated by controlling the speed and duration of operation of the pump on the basis of predetermined control laws or on the basis of a control instruction relating to cardiac activity. ### Claim 37 (depends on 36) The method according to claim 36, wherein the control instruction is generated by collecting data on cardiac activity by a sensor connected to the wall of the heart and connected by wire to the management unit. ### Claim 38 (depends on 36) The method according to claim 36, wherein the blood flow is regulated by stimulating the heart by at least one stimulation sensor connected to the wall of the heart and connected by wire to the management unit.