Patent ID: 6575992
Filing Date: 2003-06-10
Classification: A61H

Abstract:
A safety needle comprising:(1) a guide tube; (2) one or more stuffings holding needle body which are plugged into the guide tube to be fixed at a desired position, to give resistance to a needle body during its passage therethrough, and to hold the needle body; (3) the needle body movably held by the stuffing which has the length longer than that of the guide tube by an amount equal to the insertion depth of the needle body; and (4) a stopper which is mounted to the lower end of a needle handle attached to the top of the needle body, or which is mounted to the top end of the guide tube, and prevents the needle handle from advancing further at the moment when the needle point reach a specified insertion depth; (5) wherein the guide tube is longer than the insertion depth of the needle body.