A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
73/103, 128/90
A61M 5/14 (2006.01) A61M 5/165 (2006.01) A61M 5/40 (2006.01)
Patent
CA 1160930
Burette With Filter Screen Abstract An administration set including a burette (16), in which the burette chamber (36) encloses a number of equally spaced upright vanes (76) which support a screen filter (80) having a surface area that is greater than the cross-sectional area of the chamber (36). A hemis- phere (84) is positioned at the top of the vanes (76) to directly underlie the inlet opening (86) to the burette chamber (36), for providing a maximum distance fall for the liquid, such as blood, which drops from the inlet opening (86). A ball valve (60) is located at the outlet of the burette (16) and includes a ball (62), a valve chamber (65) and a ball seat (64), with the bottom (77) of the vanes (76) defining the top of the ball valve chamber (65). The ball valve chamber (65) includes a number of angled flow directors (66) spaced about the inner wall (68) defining the ball valve chamber (65).
375978
Baxter Travenol Laboratories Inc.
Sim & Mcburney
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