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    • 8. 发明专利
    • NEEDLE ASSEMBLY
    • JPH1057498A
    • 1998-03-03
    • JP19243097
    • 1997-07-17
    • BECTON DICKINSON CO
    • ERSKINE TIMOTHY J
    • A61B5/15A61M5/32A61M25/00A61M25/06A61B5/14
    • PROBLEM TO BE SOLVED: To sample a blood sample without detaching a needle from a catheter. SOLUTION: This needle assembly 10 is provided with a hollow handle 24 provided with a base end 30 and an end 26 where an opening part 28 is formed. The needle assembly 10 is also provided with the needle 32 provided with the tip 34 of the end, the base end 36 and an opened passage 38. Also, the needle assembly 10 is provided with an almost transparent needle hub 40 provided with an end part 42 to which the needle 32 is attached. The needle hub 40 is arranged coaxially slidably inside the handle 24 from a first position where the needle 32 is projected outwards from the handle. The needle hub 40 is provided with an internal flashback chamber 44 fluid-circulatably connected to the needle 32 so as to observe a backflow. When the needle hub 40 is present at a base end position, the needle 32 is almost housed inside the handle. The needle assembly 10 is provided with a hollow flexible tube inside the handle to be extended from the base end 43 of the hub 40 to the attaching part of a fluid processor.
    • 9. 发明专利
    • ADAPTER WITH VALVE FOR MEDICAL INSTRUMENT
    • JPH1015079A
    • 1998-01-20
    • JP7940497
    • 1997-03-31
    • BECTON DICKINSON CO
    • DAUGHERTY CHARLES WERSKINE TIMOTHY JHOWELL GLADE
    • A61M39/02A61M5/168A61M39/00A61M39/04
    • PROBLEM TO BE SOLVED: To prescribe medicines while speedily and easily using an adapter with valve. SOLUTION: An adapter 10 with valve is provided with a main body 12 which is equipped with a base end, terminal end and chamber having an inner surface and has a lengthwise axial line. The main body 12 is provided with a valve 26 which has a passage 24 from the base end to the terminal and is usually set at a closed position but made movable to an opening position and held inside a chamber 20. The valve 26 is provided with a hollow pipe 28, through which a hole 30 is passed, and having a closed terminal. The hollow pipe 28 is coaxially fitted into the passage 24. The hollow pipe 28 has at least one side part port 36 opened inside the hole 30 arranged on the terminal end side of the closed terminal part. The valve 26 is provided with an elastic member coaxially arranged around the hollow pipe 28, and the elastic member is made eccentric so as to close the side part port 36 at the always closed position. By moving the elastic member toward the terminal end and exposing the side part port 36 over eccentric force, the valve 26 is opened and a fluid flows through the valve 26.