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1. AU2007227231 - Surgical cassette with bubble separating structure

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]
What is claimed is:
1. A surgical cassette having an aspiration chamber disposed therein, said aspiration chamber comprising:
a first entry for fluidly coupling to a surgical device;
a second entry for fluidly coupling to a source of vacuum in a surgical console for aspirating liquid infusion fluid from said surgical device; and
a bubble separating structure that divides said aspiration chamber into a first section and a second section, said bubble separating structure having a first opening that allows passage of liquid but prevents passage of air bubbles from said first section to said second section, and a second opening that allows liquid from said second section to return to said first section.
2. The surgical cassette of claim 1 wherein said first entry is disposed proximate a bottom of said aspiration chamber and said second entry is disposed proximate a top of said aspiration chamber.
3. The surgical cassette of claim 2 wherein said first opening is disposed proximate a bottom of said bubble separating structure.
4. The surgical cassette of claim 3 wherein said second opening is disposed proximate a top of said bubble separating structure.
5. The surgical cassette ofclaim 4 wherein said first opening and said second opening function to keep a fluid level in said first section equal to a fluid level in said second section.
6. The surgical cassette of claim 1 wherein said second section collects fluid for measuring a fluid level in said aspiration chamber.
7. The surgical cassette of claim 1 wherein said bubble separating structure is opaque.