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US 2020/0268562 A1Published application
Negative pressure wound closure devices and methods
AssigneeUniversity of Massachusetts
InventorRaymond Dunn
Life of this patent
Estimating the term…
Abstract
Systems, devices, and methods of the present application can accelerate and reduce medical complications associated with healing of amputation wounds. The devices and methods utilize a compression structure and negative pressure to cause the amputation wound to preferentially close from the deepest portion of the wound to the shallowest portion.
Claims29
1-17. (canceled)
A method for treating an open wound with negative pressure therapy comprising:
- surgically preparing a wound opening for negative pressure therapy;
- applying a flexible structure above the wound, the structure having a curved surface overlying the wound;
- and
- applying negative pressure to drain fluid from the wound and exert a force on tissue on a side of the wound opening.
1 more element
(canceled)
A method for treating an open wound with negative pressure therapy comprising:
- surgically preparing a wound opening for negative pressure therapy;
- applying a flexible structure to the wound, the flexible structure including a wound filler positioned in the wound opening and a collapsible structure that is external to the wound and having a curved surface overlying the wound opening;
- and
- applying negative pressure to drain fluid from the wound and exert a force on tissue on a side of the wound opening.
1 more element
Dependencies are inferred from the claim text.