Removable heart pump, and method implemented in such a pump

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.

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.