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公开(公告)号：US07014623B2
公开(公告)日：2006-03-21
申请号：US10483517
申请日：2001-10-05
CPC分类号： A61M25/0643 , A61B2017/00867 , A61M5/158 , A61M5/321 , A61M5/3232 , A61M5/326 , A61M25/0631 , A61M2005/3212 , A61M2205/0266 , A61M2205/3613
摘要： A needle apparatus (10) includes a tubular needle (20) with a sharp point (22). The apparatus also includes a shielding means and movement means (17) in which the movement means is temperature sensitive. Upon the needle being inserted into tissue the movement means is heated by body heat and causes the needle and the shielding means to move relatively to render the sharp point safe. Preferably the movement means contains shape memory alloy.
摘要翻译： 针装置（10）包括具有尖锐点（22）的管状针（20）。 该装置还包括屏蔽装置和移动装置（17），其中移动装置是温度敏感的。 当针被插入组织中时，移动装置通过体热加热并使针和屏蔽装置相对移动以使尖锐点安全。 优选地，移动装置包含形状记忆合金。
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公开(公告)号：US06712790B1
公开(公告)日：2004-03-30
申请号：US09869655
申请日：2001-06-28
IPC分类号： A61M5178
CPC分类号： A61M25/0606 , A61B5/15003 , A61B5/150259 , A61B5/15074 , A61B5/150992 , A61M25/0631 , A61M25/0637 , A61M2025/0008
摘要： A parenteral catheter apparatus (40) comprises a catheter (18) enclosing a needle (20). The needle (20) and catheter (18) have a first position in which a sharp point (22) of the needle (20) extends from the catheter (18) and a second position in which the sharp point (22) is enclosed within a housing (12). Further, a tubular member (15) is connected to the needle (20). The tubular member (15) has a connection means (17) for connection to a fluid container. Thus, fluid can flow through the tube (15) and the needle (20) and in the reverse direction The needle (20) remains in a fluid pathway of the apparatus at all times.
摘要翻译： 肠胃外导管装置（40）包括封闭针（20）的导管（18）。 针（20）和导管（18）具有第一位置，其中针（20）的尖点（22）从导管（18）延伸，并且第二位置中尖锐点（22）被包围在其中 壳体（12）。 此外，管状构件（15）连接到针（20）。 管状构件（15）具有用于连接到流体容器的连接装置（17）。 因此，流体可以流过管（15）和针（20）并且在相反方向上。针（20）始终保持在装置的流体通路中。
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