Wound debridement by irrigation with ultrasonically activated microbubbles
AssigneeKCI Licensing, Inc.
InventorsChristopher Brian LOCKE, Timothy Mark ROBINSON
Life of this patent
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Abstract
A treatment system for debriding a treatment area of a tissue site and applying negative pressure is disclosed. In some embodiments, the treatment system may include an ultrasonic bubble generator fluidly coupled to a negative-pressure source, fluid source, and a dressing. Fluid may be drawn from the fluid source to the ultrasonic bubble generator, whereby micro-bubbles and ultrasonic waves may be generated in the fluid before the fluid is instilled to the dressing.
Claims20
An apparatus for debriding a tissue site, comprising:
- a dressing for placing on the tissue site;
- and
- an ultrasonic bubble generator fluidly coupled to the dressing and configured to generate micro-bubbles and ultrasonic waves in a fluid delivered to the dressing.
A micro-bubble system for treating a tissue site, the micro-bubble system comprising:
- a gas bubble generator configured to inject micro-bubbles in a fluid from a fluid source prior to the fluid entering the tissue site;
- and
- an acoustic transducer configure to transmit ultrasonic waves to the micro-bubbles in the fluid prior to the fluid entering the tissue site.
A method for debriding necrotic tissue from a tissue site, comprising:
- supplying a fluid from a fluid source to an ultrasonic bubble generator, the ultrasonic bubble generator comprising an acoustic transducer and a gas bubble generator;
- injecting micro-bubbles into the fluid with the gas bubble generator;
- generating ultrasonic waves in the fluid with the acoustic transducer prior to the fluid being delivered to the tissue site to deform at least a portion of the micro-bubbles;
- and
- delivering the fluid with micro-bubbles and ultrasonic waves to the tissue site.
Dependencies are inferred from the claim text.