A disposable<unk>  The<unk>  is a trephine needle for performing bone marrow biopsy, whereby a cylindrical sample of tissue, a core biopsy specimen, is obtained. It is a cylindrical needle with a tapered cutting tip. The tapered end reduces the potential of crush artifact. It is the most commonly used needle for performing bone marrow biopsies. The device is named for its inventor Khosrow<unk>  who is an Iranian physician.
Jamshidi needle
Reverdin needle
Haidinger's brush
Blood lancet
Tuohy needle
Jet injector
Hug machine
Needle holder