Catheter with protection system to aspirate, fragment and evacuate removable material from hollow bodies or vessels, in particular from the human or animal body
Device for removing and evacuating removable material, such as deposits inside hollow bodies (1), in particular thrombi (2) and blood vessel embolisms or the like, with a drainage catheter (3) that can be inserted into the hollow body (1) and a vascular access catheter (4) that can also be inserted into the same hollow body (1), the drainage catheter (3) and the vascular access catheter (4) having a proximal end (3a, respectively). 4a) and a distal end (3b, 4b), the vascular access catheter (4) at its distal end (4b) is connected to an end portion (5) of liquid permeable material that can be radially deformed, in the form of a funnel, which widens against its distal end in cross-section and the drainage catheter (3) has an operating head (6) and a flexible sleeve (7) connected with it, presenting the operating head (6) of the catheter drain (3) to enter in the area of the end part (5) in shape funnel of the vascular access catheter (4) an outside diameter that is smaller than the inside diameter of the widened end portion, characterized in that the operating head (6) of the drainage catheter (3) has a stator (8, 14, 17, 21, 25, 27, 38) in the form of a sleeve and a rotor (9, 39) centrally arranged therein which can be moved by turning relatively to the stator (8, 14, 17, 21, 25, 27, 38) , the stator (8, 14, 17, 21, 25, 27, 38) is provided on its perimeter with at least one inlet opening (8a, 14a, 17a, 21a, 38a) and the rotor (9, 39) is configured together with a transport screw (10, 40) or as a single piece, the at least one inlet opening (8a, 14a, 17a, 21a, 38a) being stator side (8, 14, 17, 21, being configured) 25, 27, 38) as at least two holes (15, 16； 18, 19； 22, 23, 42, 43, 44) round axially arranged one after the other relative to the longitudinal axis of the drainage catheter (3).Dispositivo para eliminar y evacuar material amovible, como depósitos del interior de cuerpos huecos (1), en particular de trombos (2) y embolias de vasos sanguíneos o similares, co
