Fluid withdrawing, expelling and filtering apparatus
AssigneesMackay Memorial Hospital, Shin Yan Sheno Precision Industrial Co., Ltd.
InventorsSchu-Rern Chen, Chih-Ping Chen, Ching-Kuei Lin
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Abstract
A fluid withdrawing, expelling and filtering apparatus includes a fluid container including a first chamber, a second chamber, and, a first through hole and a second through hole respectively disposed in communication between the first chamber and the second chamber, a filter device movable between a first position and a second position to open or close the second through hole of the fluid container and including a filter element mating with the first through hole, and a fluid withdrawing and expelling operator operable to withdraw and expel a fluid through the first chamber of the fluid container.
Claims4
A fluid withdrawing, expelling and filtering apparatus, comprising:
- a fluid container comprising a first chamber, a second chamber, and, a first through hole and a second through hole respectively disposed in communication between said first chamber and said second chamber;
- a filter device movably disposed between a first position where said filter device opens said second through hole of said fluid container and a second position where said filter device closes said second through hole of said fluid container, said filter device comprising a filter element facing toward said first through hole;
- and
- a fluid withdrawing and expelling operator withdrawing and expelling a fluid through said first chamber of said fluid container,
- wherein said first through hole is disposed relatively closer to said fluid withdrawing and expelling operator than said second through hole,
- wherein said first through hole is located in the center of said fluid container,
- wherein said second through hole is located in the periphery of said fluid container,
- wherein said fluid container comprises a receptacle;
- said first through hole and said second through hole are located in said receptacle,
- wherein a first stop portion is located in said receptacle of said fluid container,
- wherein the receptacle is provided with a slidably-fitting inner periphery and the filter device is provided with a slidably-fitting outer periphery slidably fitted with the slidably-fitting inner periphery of the receptacle.
Dependencies are inferred from the claim text.