Patent ID: 7780621

Claim:
A blood chamber for an extracorporeal circuit comprising: a blood containment chamber having a blood inlet and a blood outlet, said blood outlet being situated at a lower height than said blood inlet, said blood inlet being vertically arranged and said blood outlet being vertically arranged, said containment chamber being delimited by a first side wall having a recess with a deepest point situated above said blood inlet and a second side wall opposite said first side wall and situated above said blood outlet, said containment chamber having a bottom wall which is inclined and arranged between said blood inlet and said blood outlet, said bottom wall joining a lower edge of said blood inlet with a lower edge of said blood outlet, said bottom wall having a section with a constant inclination from said lower edge of said blood inlet to said lower edge of said blood outlet; a blood inlet port situated below said containment chamber; a first conduit connecting said blood inlet port to said blood containment chamber, said first conduit being conformed and arranged in order not to extend beyond a lateral dimension of said containment chamber, said first conduit having an end tract which terminates in said blood inlet, said end tract being curved and having at least a horizontal inlet component directed internally of said containment chamber towards said second side wall, said end tract nearing said blood outlet, said first conduit comprising a pre-terminal tract which precedes said end tract and which has at least a second horizontal component directed oppositely to said horizontal inlet component, said pre-terminal tract having at least an ascending vertical component, said pre-terminal tract developing in a distancing direction from said blood outlet, said pre-terminal tract being contiguous to said end tract, said end tract and said pre-terminal tract being part of a single curved tract, said first conduit having an ascending tract which precedes said pre-terminal tract and which has at least an ascending vertical component, said first conduit comprising a curve which connects said ascending vertical tract with said pre-terminal tract, a part of said pre-terminal tract extending in a parallel direction to said constantly inclined bottom wall; a blood outlet port situated in an upper zone of said chamber; a second conduit for connecting said blood outlet with said blood outlet port, said second conduit extending in a prevalently vertical direction, said second conduit being in remote lateral connection with said second side wall of said containment chamber.