A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/168 (2006.01) G01L 7/20 (2006.01)
Patent
CA 2403045
A manometer (1) for measuring the hydrodynamic pressure of fluids parenterally administered to a patient is disclosed. The manometer includes a transparent housing (2) that has a passage that accommodates continuous flow of fluid. A pressure-measuring chamber (10) is formed in the housing with one end in fluid communication with the passage (8). The other end of the chamber communicates with an enclosed air space. The fluid flowing through the passage enters the pressure-measuring chamber and rises to a level which is dependent upon the pressure of the fluid flowing through the passage. A space-saving chamber (12) is provided, which is in air communication with the pressure-measuring chamber, and which allows the housing to be reduced in size. Markings (14) are provided on the housing which indicate the relative flow state of fluid flowing through the passage.
L'invention porte sur un manomètre (1) de mesure de la pression hydrodynamique de liquides administrés parentéralement à un patient. Ledit manomètre comporte une enveloppe transparente (2) munie d'un passage parcouru par un flux continu de liquide. L'enveloppe contient une chambre de mesure de pression (10) dont une extrémité communique avec le passage (8), son autre extrémité communiquant avec un espace d'air clos. Le liquide traversant le passage, entre dans la chambre de mesure de pression, et monte jusqu'à un niveau fonction de la pression dudit liquide. Il est prévu en outre une cavité de réduction d'espace (12), en communication pneumatique avec la chambre de mesure de pression, et qui permet de réduire la taille de l'enveloppe. Des marques (14) faites sur l'enveloppe indiquent l'état relatif du débit du liquide traversant le passage.
Borden Ladner Gervais Llp
I-Flow Corporation
Kimberly-Clark Worldwide Inc.
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