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US 11,896,756 B2Granted
Negative pressure wound therapy instillation system
AssigneeDeRoyal Industries, Inc.
InventorsVincent Denis Jardret, Jonathan Matthew Cayce, Joe Lowell Smith
Life of this patent
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Abstract
A system for delivering reduced pressure and irrigation fluid to a wound site. The system includes a primary pressure source for delivering reduced pressure through a first lumen, a secondary pressure source for delivering secondary pressure through a second lumen, and an irrigation fluid source. A valve system is operable to selectively couple the secondary pressure source to the second lumen for delivering the secondary pressure to a wound site and selectively couple the fluid source to the second lumen for delivering the irrigation fluid to the wound site.
Claims21
A wound therapy system for delivering reduced pressure and irrigation fluid to a wound site, the system comprising:
- a wound enclosure configured to form a substantially sealed volume around the wound site;
- a wound exudate collection canister;
- a primary pressure source configured to deliver the reduced pressure to the substantially sealed volume and deliver exudate collected from the wound site to the wound exudate collection canister through a first lumen;
- a secondary pressure source configured to deliver a secondary pressure to the substantially sealed volume through a second lumen;
- a fluid source configured to deliver irrigation fluid to the substantially sealed volume through the second lumen;
- and
- a valve system fluidly coupled to the secondary pressure source and the fluid source, the valve system operable to selectively couple the secondary pressure source to the second lumen for delivering the secondary pressure to the substantially sealed volume independently of the irrigation fluid and selectively couple the fluid source to the second lumen for delivering the irrigation fluid to the substantially sealed volume independently of the secondary pressure,
- wherein the wound therapy system includes:
- a first mode of operation in which the primary pressure source delivers reduced pressure to the substantially sealed volume through the first lumen while the secondary pressure source delivers the secondary pressure to the substantially sealed volume through the second lumen and the valve system prevents delivery of the irrigation fluid to the substantially sealed volume through the second lumen;
- and
- a second mode of operation in which the primary pressure source delivers reduced pressure to the substantially sealed volume through the first lumen while the fluid source delivers irrigation fluid to the substantially sealed volume through the second lumen and the valve system prevents delivery of the secondary pressure to the substantially sealed volume through the second lumen.
8 more elements
A method for delivering reduced pressure and irrigation fluid to a wound site, the method comprising:
- providing a wound therapy system, the wound therapy system including:
- a wound enclosure configured to form a substantially sealed volume around the wound site,
- a wound exudate collection canister,
- a primary pressure source configured to deliver the reduced pressure to the substantially sealed volume and deliver exudate collected from the wound site to the wound exudate collection canister through a first lumen,
- a secondary pressure source configured to deliver a secondary pressure to the substantially sealed volume through a second lumen,
- a fluid source configured to deliver irrigation fluid to the substantially sealed volume through the second lumen, and
- a valve system fluidly coupled to the secondary pressure source and the fluid source, the valve system operable to selectively couple the secondary pressure source to the second lumen for delivering the secondary pressure to the substantially sealed volume independently of the irrigation fluid and selectively couple the fluid source to the second lumen for delivering the irrigation fluid to the substantially sealed volume independently of the secondary pressure;
- delivering secondary pressure from the secondary pressure source to the wound enclosure through a second lumen while the valve system prevents delivery of the irrigation fluid to the substantially sealed volume through the second lumen during a first mode of operation;
- delivering irrigation fluid from the fluid source to the wound enclosure through the second lumen while the valve system prevents delivery of the secondary pressure to the substantially sealed volume through the second lumen during a second mode of operation;
- preventing the delivery of both the secondary pressure and the irrigation fluid to the wound enclosure during a third mode of operation;
- and
- continuously delivering reduced pressure from the primary pressure source to the wound enclosure through a first lumen during each of the first mode of operation, the second mode of operation, and the third mode of operation.
9 more elements
A wound therapy system for delivering reduced pressure and irrigation fluid to a wound site, the system comprising:
- a wound enclosure configured to form a substantially sealed volume around the wound site;
- a wound exudate collection canister;
- a primary pressure source configured to deliver the reduced pressure to the substantially sealed volume and deliver exudate collected from the wound site to the wound exudate collection canister through a first lumen;
- a secondary pressure source configured to deliver a secondary pressure to the substantially sealed volume through a second lumen;
- a fluid source configured to deliver irrigation fluid to the substantially sealed volume through the second lumen;
- and
- a valve system fluidly coupled to the secondary pressure source and the fluid source, the valve system operable to:
- selectively couple the secondary pressure source to the second lumen for delivering the secondary pressure to the substantially sealed volume,
- selectively couple the fluid source to the second lumen for delivering the irrigation fluid to the substantially sealed volume, and
- selectively couple the secondary pressure source to the first lumen for bypassing the wound enclosure,
- wherein the wound therapy system includes a first mode of operation wherein the secondary pressure source is coupled to the second lumen for delivering the secondary pressure to the substantially sealed volume and a second mode of operation wherein the fluid source is coupled to the second lumen and the secondary pressure source is coupled to the first lumen for delivering the irrigation fluid to the substantially sealed volume while secondary pressure delivered from the secondary pressure source bypasses the wound enclosure.
8 more elements
Dependencies are inferred from the claim text.