Needle for hemodialysis

Abstract

Abstract 1503469 Haemodialysis needle or catheter R BEELEN 1 Oct 1976 [6 Oct 1975 22 Sept 1976] 40839/76 Heading A5R A needle for removing and returning blood during dialysis includes a wall 2 that divides the interior of the needle into two, separate, longitudinally extending passages 3, 4 for the whole of its length. Blood is sucked from the patient via one passage and is returned after dialysis via the other. The inlet/outlet end of the needle may be straight, bevelled as shown, or may have the end of passage 3 bevelled in the opposite direction. If an inlet 8 is provided in the passageway 3 its end 9 is blocked off. The cross-sections of the passages may be equal or unequal.

Inventors

No inventors recorded.

Bibliographic Details