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US 4,622,032 AGranted
Blood reservoir
AssigneeTerumo Kabushiki Kaisha
InventorsYoshiro Katsura, Kazuhiko Hagiwara, Osamu Nomura
Life of this patent
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Abstract
In a blood reservoir comprising a hollow rectangular container for containing blood therein, a projected portion is provided on one vertical side of the container that is remoter from blood inlet means and nearer to blood outlet means by projecting into the container space substantially from the intersection between the one side and a horizontal extension of the blood inlet.
Claims5
A blood reservoir comprising:
- a hollow container of a flexible synthetic resin defining a space for containing blood therein,
- vent means provided at an upper portion of said container in communication with the space of said container for venting air therefrom,
- blood inlet means and blood outlet means each communicating with the space of said container,
- said blood inlet means including a tubular member extending into the space through a lower portion of said container, a closed top end and a plurality of blood inlet openings formed in a region of the wall of said tubular member below said closed top end, and
- said blood outlet means being located near the lower portion of the space for discharging blood therefrom, and
- a projected portion is provided on one side of the inner surface of said container that is remoter from said blood inlet means and nearer to said blood outlet means, said projected portion being projected into the container space at about the intersection between said one side and the horizontal plane of said blood inlet openings.
3 more elements
Dependencies are inferred from the claim text.