<p>A dialysis needle or the like comprises a tube with a razor edge cutting blade extending diametrically across its forward end. The blade has a generally "V" shape with a pair of razor sharp cutting edges converging forwardly from opposite sides of the tube and terminating in a needle-sharp point. A pair of diametrically opposed, smooth, tissue-spreading ribs are located in a plane normal to the cutting edges and converge forwardly from opposite sides of the tube to positions immediately rearwardly adjacent of the point. Two specific embodiments are described: an all-stainless-steel version; and a plastic version with a cutting blade insert.</p>
申请公布号
CA1219505(A)
申请公布日期
1987.03.24
申请号
CA19840457688
申请日期
1984.06.28
申请人
KEMPF, JOSEPH, 121 S. VERNON STREET, PRINCETON, ILLINOIS, 61356
发明人
KEMPF, JOSEPH, 121 S. VERNON STREET, PRINCETON, ILLINOIS, 61356