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US08715234B2 Device for locating epidural space while safeguarding against dural puncture through differential friction technique 有权
硬膜外腔定位装置，通过差分摩擦技术防止硬膜穿刺

  • Patent Title: Device for locating epidural space while safeguarding against dural puncture through differential friction technique
  • Patent Title (中): 硬膜外腔定位装置，通过差分摩擦技术防止硬膜穿刺
  • Application No.: US12999473
    Application Date: 2009-06-12
  • Publication No.: US08715234B2
    Publication Date: 2014-05-06
  • Inventor: Ravindar Bethi
  • Applicant: Ravindar Bethi
  • Applicant Address: DE Melsungen
  • Assignee: B. Braun Melsungen AG
  • Current Assignee: B. Braun Melsungen AG
  • Current Assignee Address: DE Melsungen
  • Agency: RatnerPrestia
  • Priority: IN1491/CHE/2008 20080619
  • International Application: PCT/IN2009/000340 WO 20090612
  • International Announcement: WO2009/153807 WO 20091223
  • Main IPC: A61M5/00
  • IPC: A61M5/00
Device for locating epidural space while safeguarding against dural puncture through differential friction technique
Abstract:
A device for locating a cavity within two walls including a syringe including a syringe piston slideable in a first syringe barrel for discharging air or fluid contained in the first syringe barrel on forward movement of the syringe piston into the cavity, the first syringe barrel being attached to a hub of a needle cannula; and a frame which at least in part encases the syringe and which is solely connected to the back of the syringe piston.
Abstract(Chinese):

一种用于在两个壁内定位空腔的装置，包括注射器，所述注射器包括可在第一注射器筒中滑动的注射器活塞，用于在注射器活塞向腔中向前运动时排出包含在第一注射器筒中的空气或流体， 到针管的轮毂; 以及框架，其至少部分地包围注射器并且仅框架连接到注射器活塞的背部。

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