| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an intravascular (IV) set of self-priming type capable of positively maintaining/controlling liquid height in a chamber without needing to manage carefully, and controlling liquid flow while preventing air from entering a tube. <P>SOLUTION: The IV set 10 includes a drip chamber 24 and a pressure activated valve 50. The drip chamber has an operable liquid height 38 and an outlet orifice 34. The pressure activated valve is disposed proximate to the outlet orifice of the drip chamber and has a sealing orifice, a valve and a biasing mechanism 56. The sealing orifice and the operable liquid height correspond to a head. The energizing mechanism biases the valve against the sealing orifice with a force less than the head of the operable liquid height to control the flow of liquid through the pressure activated valve. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
