Back to results
US 2014/0155847 A1Published application
Suction Canister Having A Replaceable Filter Cartridge
AssigneeDevilbiss Healthcare LLC
InventorsJoel David Neatrour, Matt Smith
Life of this patent
Estimating the term…
Abstract
A canister assembly for use with a medical suction or aspiration device having a ball float assembly defined in the lid. The lid accepts a replaceable filter cartridge containing a filter element. The ball float engages the replaceable filter cartridge when the canister is near full.
Claims19
A lid assembly for a suction canister comprising:
- a lid body, having a lip defined therein for engagement with a canister;
- a hollow cylindrical structure, having a top portion extending above a top surface of said lid and a bottom portion extending below a bottom surface of said lid, such that said bottom portion of said cylindrical structure will contact fluid collected in a canister to which it is attached when the canister is nearly full;
- a bottom wall, covering all or a portion of the open end of said bottom portion of said cylindrical structure;
- one or more slots, defined in the bottom portion of said cylindrical structure, allowing fluid communication with the canister;
- and
- one or more tabs, defined in bottom portion of said cylindrical structure, said tabs extending into the interior of said cylindrical structure at said one or more slots.
3 more elements
The lid assembly wherein said filter cartridge comprises:
- a cylindrical body having a first diameter smaller than the diameter of the top portion of said cylindrical structure of said lid;
- a cap having a second diameter larger than the diameter of the top portion of said cylindrical structure;
- and
- a tube, extending through said cap, allowing fluid communication between the interior of said filter cartridge and the exterior of said filter cartridge, for connection to a vacuum source.
1 more element
The lid assembly of claim 13 wherein said filter element acts is composed of a material exhibiting hydrophilic or hygroscopic properties.
A filter cartridge comprising:
- a cylindrical body having a first diameter;
- a cap disposed at one end of said cylindrical body, said cap having a second diameter larger than said first diameter, wherein said cap and said cylindrical body form a space therebetween;
- and
- a tube, extending through said cap, allowing fluid communication between the interior of said filter cartridge and the exterior of said filter cartridge, for connection to a vacuum source.
1 more element
Dependencies are inferred from the claim text.