USPTO Patent for Negative Pressure Wound Therapy Canisters

ChangeBridge: Patent Apps - Medical Devices (A61M)

Detected March 26th, 2026

Summary

The USPTO has published a new patent application, US20260083901A1, for negative pressure wound therapy canisters. The application details a canister design featuring two fluid chambers separated by a filter to manage fluids from a tissue site. This is a routine publication of a patent application.

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What changed

The United States Patent and Trademark Office (USPTO) has published a new patent application, US20260083901A1, related to negative pressure wound therapy (NPWT) canisters. The application, filed on September 19, 2023, by inventors Benjamin A. Pratt, Shannon C. Ingram, and Joseph Dartnell, describes a canister system with a first fluid chamber for receiving tissue fluids, a second fluid chamber, and a filter positioned between them to purify the fluids before they reach the second chamber.

This publication represents the granting of a patent application and does not impose new regulatory obligations or compliance requirements on medical device manufacturers or healthcare providers. It is an informational notice concerning intellectual property within the medical device sector. Compliance officers should note this as a development in medical device technology but no immediate action is required.

Source document (simplified)

← USPTO Patent Applications

NEGATIVE PRESSURE WOUND THERAPY CANISTERS

Application US20260083901A1 Kind: A1 Mar 26, 2026

Inventors

Benjamin A. PRATT, Shannon C . INGRAM, Joseph DARTNELL

Abstract

A canister for use in a negative pressure wound therapy system. The canister includes a first fluid chamber, a second fluid chamber, and a filter disposed between the first fluid chamber and the second fluid chamber. The first fluid chamber is configured to receive fluids from a tissue site. The filter is configured to filter the fluids from the tissue site as the fluids move from the first fluid chamber to the second fluid chamber.