A method and system for piercing tissue is disclosed, comprising a puncture device for piercing tissue, and a support member for supporting the puncture device, wherein the puncture device is insertable into the support member and provides a method for puncturing tissue. It can be selectively used in cooperation with the support member during the section and independently of the support member during another part of the procedure. [Selection] Figure 1A組織を穿刺する方法およびシステムが開示され、組織を穿刺する穿刺デバイスと、穿刺デバイスを支持する支持部材とを備え、穿刺デバイスは、支持部材内に挿入可能であり、組織を穿刺する処置の一部の間、支持部材と協働して選択的に使用可能であり、処置の別の部分の間、支持部材から独立して使用可能である。【選択図】図１Ａ
