Patent ID: 7517387

Claim:
A gas separation device for a physiological fluid, comprising: a containing body having an internal active surface, at least one first inlet aperture for a physiological fluid positioned with a tangential direction of access, and at least one outlet aperture for said fluid spaced apart from said first inlet aperture; said containing body having: a guide element housed at least partially within said containing body, said guide element having a continuous active surface configured to contact and guide said fluid, said guide element further comprising: a first terminal portion configured to face towards said outlet aperture; a second terminal portion axially opposed to the first terminal portion, said second terminal portion configured to face towards a second chamber extending above said guide element; and a central portion having a cross section with a radial dimension that is reduced progressively away from said first and second terminal portions, to form an intermediate area having a minimum radial dimension; and a first annular chamber formed between the active surface of said guide element and the internal active surface of said containing body.