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Patent
Title
Ventil zum Einsatz in einer Leitung zum Fuehren einer Fluessigkeit
Other Title
Medical valve for use in line for guiding liquor from cerebral ventricle of hydrocephalus patient, has valve seat cooperating with valve body such that valve is opened during exceeding liquor-pressure upper limit
Abstract
(A1) Ein Ventil (7) dient zum Einsatz in einer Leitung (3) zum Fuehren einer Fluessigkeit. Das Ventil (7) ist zwischen einer vorgegebenen Fluessigkeitsdruck-Untergrenze und einer vorgegebenen Fluessigkeitsdruck-Obergrenze geoeffnet und beim Unterschreiten der Fluessigkeitsdruck-Untergrenze einerseits und beim Ueberschreiten der Fluessigkeitsdruck-Obergrenze andererseits zumindest zeitweilig und zumindest weitgehend geschlossen. Es resultiert ein Ventil, bei dem eine unnoetige Drainage von Fluessigkeit vermieden ist.
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EP 2221083 A1 UPAB: 20100908 NOVELTY - The valve (7) has a low pressure-valve seat (10) co-operating with a valve body (13) such that the valve is closed below a liquor-pressure lower limit. The valve is opened between the liquor-pressure lower limit and an upper limit. The valve is closed during exceeding the liquor-pressure lower limit and falling below the liquor-pressure upper limit. The valve remains in a closed condition for a predetermined time period during exceeding the liquor-pressure lower limit. The valve is opened during exceeding liquor-pressure upper limit. USE - Medical valve for use in a line for guiding liquid i.e. liquor, from a body cavity i.e. cerebral ventricle, of a hydrocephalus patient. ADVANTAGE - The valve is designed such that discharge of unnecessary liquor from the cerebral ventricle is avoided.
Inventor(s)
Kunze, G.
Falkenhausen, C.
Ansorge, F.
Irlbauer, M.
Patent Number
102009009880
Publication Date
2009
Language
German