Abstract: A pump intended to be immersed in a fluid, including a housing, a brushless motor unit formed by a stator in which first magnetic elements are disposed, a rotor having second magnetic elements intended for magnetic coupling with the first magnetic elements of the stator, a transmission shaft connected to the rotor and constituting, in its upper part, a turbine, the turbine includes, at its apex, an output pivot interacting with a guide fastened to the housing, the guide having a complementary shape to that of the output pivot so as to keep the output pivot stable in rotation and to form a space between the output pivot and the guide, and the guide includes a central opening in the axis of rotation of the output pivot for a passage of fluid from the inside of the housing to the outside via the space and the opening.

Abstract: A pump intended to be immersed in a fluid, including a housing, a brushless motor unit formed by a stator in which first magnetic elements are disposed, a rotor having second magnetic elements intended for magnetic coupling with the first magnetic elements of the stator, a transmission shaft connected to the rotor and constituting, in its upper part, a turbine, the turbine includes, at its apex, an output pivot interacting with a guide fastened to the housing, the guide having a complementary shape to that of the output pivot so as to keep the output pivot stable in rotation and to form a space between the output pivot and the guide, and the guide includes a central opening in the axis of rotation of the output pivot for a passage of fluid from the inside of the housing to the outside via the space and the opening.

Abstract: An intraventricular pump including a fixed housing with a top part forming a propulsion chamber propelling fluid towards the top end, and a bottom part forming a stator and connected to the top part, at least one side opening between the top part and the bottom part, and forming an inlet chamber for fluid entry from the outside towards the propulsion chamber, a motor unit formed by the stator in which first magnetic elements are arranged, a bell-shaped rotor including second magnetic elements for magnetic coupling with the stator first magnetic elements, the bell having at least one opening in its top part creating a reverse fluid flow from the inlet chamber to the base of the stator via a rotor-to-stator passage, a transmission shaft including at least one connecting arm holding the bell above the stator, the transmission shaft coinciding with the bell rotational axis being coaxial.

Abstract: A pump intended to be immersed in a fluid, including a housing, a brushless motor unit formed by a stator in which first magnetic elements are disposed, a rotor having second magnetic elements intended for magnetic coupling with the first magnetic elements of the stator, a transmission shaft connected to the rotor and constituting, in its upper part, a turbine, the turbine includes, at its apex, an output pivot interacting with a guide fastened to the housing, the guide having a complementary shape to that of the output pivot so as to keep the output pivot stable in rotation and to form a space between the output pivot and the guide, and the guide includes a central opening in the axis of rotation of the output pivot for a passage of fluid from the inside of the housing to the outside via the space and the opening.

Abstract: An intraventricular pump including a fixed housing with a top part forming a propulsion chamber propelling fluid towards the top end, and a bottom part forming a stator and connected to the top part, at least one side opening between the top part and the bottom part, and forming an inlet chamber for fluid entry from the outside towards the propulsion chamber, a motor unit formed by the stator in which first magnetic elements are arranged, a bell-shaped rotor including second magnetic elements for magnetic coupling with the stator first magnetic elements, the bell having at least one opening in its top part creating a reverse fluid flow from the inlet chamber to the base of the stator via a rotor-to-stator passage, a transmission shaft including at least one connecting arm holding the bell above the stator, the transmission shaft coinciding with the bell rotational axis being coaxial.

Abstract: A turbine for pumping a fluid includes a body designed to move rotationally, a hollow central part which extends through the body from one side to the other and is intended to allow the fluid to pass through the turbine, and at least one blade that is positioned on the inner wall of the body, in the hollow central part, and is designed to circulate the fluid.

Abstract: A cardiac pump having a turbine with internal blades, includes a pump designed to circulate a fluid, including a housing, and a turbine which is arranged in the housing and is designed to move rotationally relative to the housing. The turbine includes a body designed to move rotationally, a hollow central part which extends through the body from one side to the other and is intended to allow the fluid to pass through the turbine, and at least one blade that is positioned on the inner wall of the body, in the hollow central part, and is designed to circulate the fluid.

Abstract: A pump for immersion in a fluid includes—an inductor having guide vanes to induce linear fluid flow; —a rotor with a central, flared body, this rotor being downstream of the inductor relative to the direction of fluid circulation; —a helical blade provided around the central body; this helical blade having a flared external profile and having turns with an increasing winding pitch, and the internal casing volume being complementary to the flared helical blade, —a casing around the rotor; —a diffuser having blades making the flow of fluid linear and disposed downstream of the rotor to evacuate the fluid from the rotor; and—a diffuser insert having blades and an outlet orifice with a diameter less than the inlet diameter of the diffuser insert, the blades directing the fluid from the diffuser towards the orifice to increase the orifice outlet pressure.

Abstract: A cardiac pump having a turbine with internal blades, includes a pump designed to circulate a fluid, including a housing, and a turbine which is arranged in the housing and is designed to move rotationally relative to the housing. The turbine includes a body designed to move rotationally, a hollow central part which extends through the body from one side to the other and is intended to allow the fluid to pass through the turbine, and at least one blade that is positioned on the inner wall of the body, in the hollow central part, and is designed to circulate the fluid.

Abstract: A turbine for pumping a fluid includes a body designed to move rotationally, a hollow central part which extends through the body from one side to the other and is intended to allow the fluid to pass through the turbine, and at least one blade that is positioned on the inner wall of the body, in the hollow central part, and is designed to circulate the fluid.

Abstract: A pump for immersion in a fluid includes—an inductor having guide vanes to induce linear fluid flow; —a rotor with a central, flared body, this rotor being downstream of the inductor relative to the direction of fluid circulation; —a helical blade provided around the central body; this helical blade having a flared external profile and having turns with an increasing winding pitch, and the internal casing volume being complementary to the flared helical blade, —a casing around the rotor; —a diffuser having blades making the flow of fluid linear and disposed downstream of the rotor to evacuate the fluid from the rotor; and—a diffuser insert having blades and an outlet orifice with a diameter less than the inlet diameter of the diffuser insert, the blades directing the fluid from the diffuser towards the orifice to increase the orifice outlet pressure.