Patent ID: 6537292
Filing Date: 2003-03-25
Classification: A61B

Abstract:
A lancet having a blood-collecting needle with a safety feature, which comprises:(a) a cap that is connected to a cap connecting screw of a cylinder; and (b) a blood-collecting needle, wherein said cap comprises: (c) a barrel having a lower part that is narrower than an upper part thereof, assembled with two sections; (d) a screw thread corresponding to the cap connecting screw, the thread being located on an inner circumference of the upper part thereof; (e) a stop projection protruding from the lower part thereof; (f) a stroke stop projection located at an inner surface of the lower part, and at a set distance from stop projection; (g) a needle stop projection at a lower end of the barrel; and (h) an elastic return spring located at one side within the cap, wherein said blood-collecting needle comprises: (i) a stop ring located at an upper part of a body in which a needle is installed; (j) a connecting rod located at the upper part of the body, and seated within a connection encasement; (k) a square fixed ring located at a lower part of the body; (l) a body fixed screw, located at the lower part of the body and having a screw thread on an exterior side thereof, corresponding to said needle stop projection; (m) a detachment knob located at the lower part of the body; and (n) a detachment part located between a part extending from said body fixed screw and the square fixed ring.