Suction device
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United States of America Patent
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Sep 7, 2004
Grant Date -
N/A
app pub date -
Nov 30, 2001
filing date -
Jul 7, 1999
priority date (Note) -
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Abstract
A method for detaching a barrier means adapted to the end part of the suction device for closing an opening in the end part by the movement of a plunger intended for changing the volume of a cylindrical space provided in the end part whereby the barrier means is removed by bringing means for limiting the movement of the plunger in the cylindrical space, e.g. means intended for removing the disposable tip, in such a position that the plunger can be brought into contact with the barrier means for detaching the barrier means from the end part of the suction device.
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