Patent ID: 11951296
Assignee: MLB INNOVATION SRL
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 17:
18. A device for ventricular emergency support of a treated patient, the device comprising:
a first flexible catheter with a variable transversal section, the first catheter including a first extremal balloon configured for controlled occlusion of an ascending aorta of the treated patient;
a first pump coupled to the first catheter for the aspiration and contemporary input of equivalent blood quantities into a blood circle of the treated patient, the first pump comprising:
a Y-shaped inlet duct, for the inlet of the blood aspired from the blood flow of the treated patient, provided with an electrovalve connected to a non-collapsible duct of the first catheter;
a Y-shaped outlet duct, for the outlet of the blood inserted into the blood flow of the treated patient, provided with an electrovalve, connected to an elastic duct of the first catheter;
a machine body containing two internal chambers, separated by a rigid median septum provided with an electrovalve, connected to the inlet and outlet ducts by unidirectional valves, working by difference of pressure, imposing to the blood entering and leaving the two internal chambers to always move in a same direction;
hydraulic cylinders with relative pistons that cyclically manage compression and expansion of an operating fluid that is kept separate from the blood contained in the two internal chambers by elastic membranes; and
an electromechanical mechanism for operating pistons of the hydraulic cylinders, provided with eccentric kinematic mechanism coupled to a frame integral with the pistons and linearly sliding on guides with a stroke limited by cushioning springs;

a second flexible catheter with a fixed transversal section, provided with at least two second extremal balloons, the second flexible catheter being spaced between the at least two second extremal balloons, for the controlled occlusion of the inferior vena cava and of the superior vena cava of the treated patient;
a second pump coupled to the first and second catheter for inflating and deflating the first and second extremal balloons of the first and second catheter; and
an electronic control unit for adjusting and controlling operational parameters of the first and second pump, and for detection of cardiac parameters of the treated patient.