Invention Grant
- Patent Title: Ultrasound-guided piercing needle and indwelling needle
- Patent Title (中): 超声引导穿刺针和留置针
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Application No.: US13515403Application Date: 2010-11-01
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Publication No.: US09592352B2Publication Date: 2017-03-14
- Inventor: Masaki Matsuzawa
- Applicant: Masaki Matsuzawa
- Applicant Address: JP Shibuya-Ku, Tokyo
- Assignee: TERUMO KABUSHIKI KAISHA
- Current Assignee: TERUMO KABUSHIKI KAISHA
- Current Assignee Address: JP Shibuya-Ku, Tokyo
- Agency: Buchanan, Ingersoll & Rooney PC
- Priority: JP2009-289598 20091221
- International Application: PCT/JP2010/069401 WO 20101101
- International Announcement: WO2011/077837 WO 20110630
- Main IPC: A61M5/32
- IPC: A61M5/32 ; A61M5/158 ; A61B8/08 ; A61B17/34

Abstract:
An ultrasound-guided piercing needle constituting the internal needle of an indwelling needle has ridged and grooved portions which reflect ultrasonic waves. The ridged and grooved portions comprise grooves, which are disposed on the outer periphery near the tip having a blade face, and ridges, which are arranged on both sides of the grooves.
Public/Granted literature
- US20120253297A1 ULTRASOUND-GUIDED PIERCING NEEDLE AND INDWELLING NEEDLE Public/Granted day:2012-10-04
Information query
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