Leak detection in negative pressure wound therapy system

US10744239B2 · kind B2 · utility

Assignee

• SMITH & NEPHEW, INC. · US

Inventors

• Edward Armstrong · Palm Harbor, US
• Carrie Lee Childress · Dallas, US
• William W. Gregory · Gainesville, US
• William Joseph Jaecklein · St. Petersburg, US
• Kathryn Ann Leigh · St. Petersburg, US
• Paul N. Minor · Raleigh, US
• Michael B. Mosholder · Palm Harbor, US
• Felix Clarence Quintanar · Hull, GB
• Christopher Rouseff · St. Petersburg, US
• Matthew Smith · Erie, US
• W. Len Smith · Raleigh, US
• Anthony Trupiano · Lakeville, US
• John Wyatt · Shirley, GB

Key dates

• Filing date: Nov 19, 2014
• Grant date: Aug 18, 2020
• Expiry date: Jun 27, 2036

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2209/086
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Embodiments of a negative pressure wound therapy systems and methods for operating the systems are disclosed. In some embodiments, a system includes a pump assembly, canister, and a wound dressing configured to be positioned over a wound. The pump assembly, canister, and the wound dressing can be fluidically connected to facilitate delivery of negative pressure to a wound. The pump assembly can present graphical user interface screens for controlling and monitoring delivery of negative pressure. The system can be configured to efficiently deliver negative pressure and to detect and indicate presence of certain conditions, such as low pressure, high pressure, leak, canister full, and the like. Monitoring and detection of operating condition can be performed by measuring one or more operational parameters, such as pressure, flow rate, and the like.