Apparatus for treating blood
OwnerHans Mullerinventor
Life of this patent
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Abstract
For an apparatus for the extra-corporal treatment of blood wherein blood is supplied from a body to a vacuum bottle via a conduit, an insertion spike for piercing a closure plug of a vacuum bottle has a front end with a pointed tip and includes a first passage extending from the front end to a connecting piece for connection to a gas supply means, the front end having a perforated side wall for the diffused discharge of gases admitted through the first passage and a second passage having means for connection to a blood conduit and extending to an opening in the side of the insertion spike adjacent the perforated side wall.
Claims6
An insertion spike for piercing a closure plug of a vacuum bottle, said insertion spike comprising a front end having a pointed tip and including a first passage extending from said front end to a connecting piece for connection to a pressure compensation structure, said front end having a perforated side wall with a plurality of small holes like a sieve in communication with said first passage for the diffused discharge of gases admitted through said first passage into said vacuum bottle, and a second passage with means for connection to a blood conduit, said second passage extending to an opening in the side of said insertion spike adjacent said foraminous side wall.
Dependencies are inferred from the claim text.