Fluid Collection Canister Including Canister Top with Filter Membrane and Negative Pressure Wound Therapy Systems Including Same
First Claim
1. A fluid collection canister, comprising:
- a chamber to collect fluids;
a canister top disposed over the chamber, the canister top including a bottom side facing into the chamber, the bottom side including first and second ribs disposed thereon;
a filter membrane attached to the first and second ribs,a first port located on the canister top to communicate with the chamber and a pressure source external to the chamber;
a second port located on the canister top to communicate with the chamber and a sensor external to the chamber; and
wherein the first port is in fluid communication with a first area, the first area bounded by the filter membrane, the first and second ribs and the bottom side of the canister top, andwherein the second port is in fluid communication with a second area, the second area bounded by the filter membrane, the second rib and the bottom side of the canister top.
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Accused Products
Abstract
A fluid collection canister including a chamber to collect fluids and a canister top disposed over the chamber. The canister top includes a bottom side facing into the chamber, including first and second ribs disposed thereon, a filter membrane attached to the first and second ribs, a first port to communicate with the chamber and a pressure source external to the chamber, and a second port to communicate with the chamber and a sensor external to the chamber. The first port is in fluid communication with a first area, which is bounded by the filter membrane, the first and second ribs and the bottom side of the canister top. The second port is in fluid communication with a second area, which is bounded by the filter membrane, the second rib and the bottom side of the canister top.
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Citations
11 Claims
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1. A fluid collection canister, comprising:
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a chamber to collect fluids; a canister top disposed over the chamber, the canister top including a bottom side facing into the chamber, the bottom side including first and second ribs disposed thereon; a filter membrane attached to the first and second ribs, a first port located on the canister top to communicate with the chamber and a pressure source external to the chamber; a second port located on the canister top to communicate with the chamber and a sensor external to the chamber; and wherein the first port is in fluid communication with a first area, the first area bounded by the filter membrane, the first and second ribs and the bottom side of the canister top, and wherein the second port is in fluid communication with a second area, the second area bounded by the filter membrane, the second rib and the bottom side of the canister top. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A portable negative pressure wound therapy system, comprising:
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a dressing assembly for positioning over a wound to apply a negative pressure to the wound; and a canister assembly including; a control unit; a vacuum source disposed in the control unit; a pressure sensor in communication with the control unit; and a collection canister including; a chamber to collect wound fluids from the dressing assembly; a canister top disposed over the chamber, the canister top including a bottom side facing into the chamber, the bottom side including first and second ribs disposed thereon; an inlet port in fluid communication with the dressing assembly to introduce the wound fluids from the dressing assembly into the chamber; a suction port located on the canister top to communicate with the chamber and the vacuum source; a pressure sensor port located on the canister top to communicate with the chamber and the pressure sensor; and a filter membrane attached to the first and second ribs, wherein the pressure sensor port is in fluid communication with a first chamber, the first chamber bounded by the filter membrane, the first and second ribs and the bottom side of the canister top, and wherein the suction port is in fluid communication with a second chamber, the second chamber bounded by the filter membrane, the second rib and the bottom side of the canister top. - View Dependent Claims (10, 11)
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Specification