Safety puncturing instrument and method

作者: Inbae Yoon

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摘要: A surgical instrument 10 having a normally closed valve assembly 20 at its proximal end 28 which may be manually opened to receive an implement 40 terminating in sharp blade 46 and point 48 for puncturing the wall 82 of anatomical cavity 84. During penetration wall, inner sleeve 56 or blunt probe 354 is depressed. The depression provides tactile signal sensible surgeon holding and, conjunction with ancilliary electronic network 110, causes visual aural ready emitted. Upon completion puncture, released, thereby shielding interior structure from providing while simultaneously triggering generate indicating puncture.