MEDICAL INJECTION NEEDLE Russian patent published in 2008 - IPC A61M5/32 

FIELD: medicine.

SUBSTANCE: medical needle can be used for injection of medicinal aids and for blood aspiration. Medical injection needle has tube with central channel. Tube ha blind sharpened end, which smoothly turns to main part of tube and into slot-shaped openings in wall. Longitudinal channels in form of U-shaped grooves are made onto external surface of blood. Grooves get narrower in direction of working end of needle; grooves communicate with central channel through slot-shaped openings. Medical needle doesn't have cutting edge.

EFFECT: simplified design of needle; improved strength; lowered traumatism.

5 cl, 3 dwg