THERAPEUTIC DELIVERY DEVICES, SYSTEMS AND METHODS Russian patent published in 2014 - IPC A61M25/10 

FIELD: medicine.

SUBSTANCE: invention relates to medical equipment. A coaxial infusion catheter system comprises a component of an infusion catheter having an infusion section for infusion of a thrombolytic agent into a vascular occlusion or a transplant; as well as a component of an occlusion catheter having an elongated body wherein an expandable occlusion element is attached to a distal end of the elongated body. The expandable occlusion element is made in the form of an unloadable hood comprising two overlapping components and having moveable curtains or overlapping slots. The above components are relatively rotatable and provide depending on a rotation angle either the blood flow in the expanded and closed positions or occlusion of a vessel or the transplant lumen in the expanded and open positions.

EFFECT: providing effective vessel or transplant occlusion in the distal and/or proximal direction in relation to a zone of treatment.

4 cl, 8 dwg