Abstract: A connection device for medical use, suitable to connect together biological and/or artificial liquid conveying structures, e.g. a blood vessel and a syringe, where one of the structures is provided with a first end and a lumen. The device is provided with a tubular portion with an insertion end which end is intended to be inserted in said lumen, and a sleeve, which is slideable along the tubular portion, and arranged to keep the vessel at the connection device.
Abstract: A system and a method for assessing the patency of a vessel or a graft during coronary artery bypass grafting surgery or PTCA, said system comprising a syringe capable of electronically measuring the pressure and flow of a fluid that is injected into the vessel or graft. The system also comprises a reading device connected to said syringe for displaying flow, pressure and flow resistance parameters.