Patent ID: 6231541
Filing Date: 2001-05-15
Classification: A61M

Abstract:
A no-needle blood access device for hemodialysis comprising,an artificial conduit whose opposite ends are adapted to be anastomosed to a target artery or vein;a metallic body, the body including a cylindrical horizontal portion covering the entire circumference of the conduit or an arcuate-shaped horizontal portion covering at least an upper half of the circumference of the conduit, and a cylindrical vertical portion connected to approximately the center of an upper part of the horizontal portion so as to be disposed perpendicular to the horizontal portion, defining a well therein, and having one end adapted to project through the skin of a patient to make the well externally accessible, the horizontal portion being provided at a part located at the bottom of the well with a first pair of apertures, the conduit being provided at a corresponding part with a second pair of apertures, whereby the well is in communication with the conduit through each of the apertures; anda pair of shutters slidably housed within opposed pockets formed in the upper part of the horizontal portion and arranged such that the shutters are accessible in the well and can be opened and closed, wherein each of the shutters is provided at opposite ends with upwardly extending projection pieces, the projection pieces serving as a knob during opening and closing of the shutters, and wherein one of the projection pieces is formed to be higher than the other;whereby the device is arranged such that, when the shutters are opened, the well is brought into communication with the conduit, and when the shutters are closed, the well is brought out of communication with the conduit.