A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/175 (2006.01) A61M 5/168 (2006.01)
Patent
CA 2049002
A device for infusion or transfusion can be connected to a flexible tube line (16). The regulating arrangement (8, 9, 10, 12) for regulating the flow rate of the fluid through the flexible tube line (16) is a rigid structural member of the intravenous drip chamber (1) containing the infusion or transfusion liquid. The flow rate is regulated by means of a regulating nut (12) which effectively connects the regulating knob (10) with a flexible tube line (16). The structural member has a tubular connection piece (2) provided with a closed end (3) and having lateral perforations (4). The tubular connection piece (2) is coaxially spaced by a surrounding tubular threaded pipe (6) divided into segments (8, 9) separated by dividing points (7). The lateral perforations (4) open into downwardly directed grooves (5) which establish a flow path. The segments (8, 9) are provided with regulating members (10) which move the tube line into the grooves (5) and are displaceable by an internally threaded regulating nut (12) threaded on the threaded pipe (6).
Dispositif de perfusion ou de transfusion pouvant être raccordé à une tubulure souple (16). Le mécanisme de régulation (8, 9, 10, 12) du débit du liquide à l'intérieur de la tubulure souple (16) est un élément structural rigide de la chambre compte-gouttes (1) contenant le liquide pour perfusion ou transfusion. Le débit est régulé par un écrou de régulation (12) qui raccorde effectivement le bouton de régulation (10) à une tubulure souple (16). L'élément structural comporte une pièce de raccordement tubulaire (2) à bout scellé (3) ayant des perforations latérales (4). La pièce de raccordement tubulaire (2) est entourée d'un tuyau fileté tubulaire (6) divisé en segments (8, 9) séparés par des points de séparation (7). Les perforations latérales (4) donnent sur des rainures orientées vers le bas (5) qui établissent une voie d'écoulement. Les segments (8, 9) comportent des éléments de régulation (10) qui déplacent la tubulure dans les rainures (5) et peuvent être déplacés par un bouton de régulation fileté à l'intérieur (12) vissé sur le tuyau fileté (6).
Forberg Hans-Jurgen
Marks & Clerk
LandOfFree
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