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    • 1. 发明授权
    • Insertion indicator for needle
    • 插针指针
    • US08608697B2
    • 2013-12-17
    • US13041284
    • 2011-03-04
    • Pelu TranKhang Trong DinhAndrew PipathsoukBenjamin ChungHongbin Li
    • Pelu TranKhang Trong DinhAndrew PipathsoukBenjamin ChungHongbin Li
    • A61M5/178A61M1/00A61M5/00
    • A61M13/00
    • A method and apparatus are provided for a fluid level insertion indicator that provides immediate feedback to a surgeon by draining when a tip of a needle has entered a body lumen, such as peritoneal cavity. An apparatus includes a handle connected to a hollow needle and a hollow stylet that extends through the hollow needle and has a blunt distal end that includes an opening for passing fluid. A spring biases the stylet to extend past the sharp distal end of the needle absent resistance by tissue against the stylet. An at least partially translucent pressure chamber configured to hold a quantity of fluid under pressure is connected to the proximal end of the stylet. The pressure chamber and stylet form a conduit for passing fluid through the opening in the blunt distal end when the stylet extends past the sharp distal end of the hollow needle.
    • 提供了一种用于液位插入指示器的方法和装置,其通过在针的尖端进入体腔(例如腹膜腔)时通过排水而向外科医生提供即时反馈。 一种装置包括连接到中空针的手柄和延伸穿过中空针的空心探针并具有钝的远端,该远端包括用于使流体通过的开口。 弹簧偏压探针以延伸穿过针尖的尖端,组织抵抗探针而没有阻力。 构造成在压力下保持一定量的流体的至少部分半透明的压力室连接到通球针的近端。 当探针延伸穿过中空针的尖锐远端时,压力室和探针形成一个导管,用于使流体通过钝头远端的开口。
    • 4. 发明申请
    • Insertion Indicator for Needle
    • 针插入指示器
    • US20110218485A1
    • 2011-09-08
    • US13041284
    • 2011-03-04
    • Pelu TranKhang Trong DinhAndrew PipathsoukBenjamin ChungHongbin Li
    • Pelu TranKhang Trong DinhAndrew PipathsoukBenjamin ChungHongbin Li
    • A61M13/00
    • A61M13/00
    • A method and apparatus are provided for a fluid level insertion indicator that provides immediate feedback to a surgeon by draining when a tip of a needle has entered a body lumen, such as peritoneal cavity. An apparatus includes a handle connected to a hollow needle and a hollow stylet that extends through the hollow needle and has a blunt distal end that includes an opening for passing fluid. A spring biases the stylet to extend past the sharp distal end of the needle absent resistance by tissue against the stylet. An at least partially translucent pressure chamber configured to hold a quantity of fluid under pressure is connected to the proximal end of the stylet. The pressure chamber and stylet form a conduit for passing fluid through the opening in the blunt distal end when the stylet extends past the sharp distal end of the hollow needle.
    • 提供了一种用于液位插入指示器的方法和装置,其通过在针的尖端进入体腔(例如腹膜腔)时通过排水而向外科医生提供即时反馈。 一种装置包括连接到中空针的手柄和延伸穿过中空针的空心探针并具有钝的远端,该远端包括用于使流体通过的开口。 弹簧偏压探针以延伸穿过针尖的尖端,组织抵抗探针而没有阻力。 构造成在压力下保持一定量的流体的至少部分半透明的压力室连接到通球针的近端。 当探针延伸穿过中空针的尖锐远端时,压力室和探针形成一个导管,用于使流体通过钝头远端的开口。