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US 2002/0177786 A1Published application
Blood collection device
OwnerEnrico Balboinventor
Life of this patent
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Abstract
A blood collection device comprises: a first lower portion, which is adapted to contain blood and air; a second upper portion, which is adapted to contain air; an elastic diaphragm, which is interposed between the lower portion and the upper portion and can be deformed due to the difference between the pressure of the air that is present in the lower portion and the pressure of the air in the upper portion; and a blood transfer connector.
Claims10
A blood collection device, comprising:
- a first lower portion, for containing blood and air;
- a second upper portion, for containing air, which extends along a longitudinal axis thereof;
- an elastic diaphragm, which is interposed between said lower portion and said upper portion, and is deformable following a pressure difference between pressure of air that is present in said lower portion and pressure of air present in said upper portion;
- and blood transfer means for transferring a blood stream in the device.
1 more element
Dependencies are inferred from the claim text.