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US 9,174,034 B2Granted
Adaptable topical hyperbaric device
AssigneeAOTI, Inc.
InventorsPhillip Loori, George Hovorka
Life of this patent
Estimating the term…
Abstract
A wound treatment device includes a seal of variable size for attaching the device to various locations on a patient for treatment of wounds or lesions. The seal has a plurality of weakened areas which allow portions of the seal to be removed for increasing the size of the seal opening to accommodate wounds or lesions of different size.
Claims9
A hyperbaric wound treatment device comprising:
- an enclosure defining an interior region providing a wound treatment chamber, said enclosure comprising first and second polymer sheets attached to each other about their respective edges;
- a first circular line of perforations within said first sheet;
- a second circular line of perforations within said first sheet arranged concentric with said first line of perforations outwardly thereof forming an annular region of said first sheet therebetween;
- a first seal adhered to said first sheet radially inward of said first circular line of perforations;
- a second seal adhered to said annular region of said first sheet and bound by said first and second circular lines of perforations, said first seal separable from said second seal;
- said first and second seals each comprising a foam body having opposing first and second sides, a first adhesive layer adhered to said first side, a second adhesive layer adhered to said second side, and a release layer releasably adhered to said first adhesive layer, said first and second seals adhered to said first sheet by said second adhesive layer;
- said first seal and an adhered portion of said first sheet adapted to be torn away together from a remainder of the first sheet along said first circular line of perforations;
- said second seal and an adhered annular region of said first sheet adapted to be torn away together from a remainder of the first sheet together with the first seal and the adhered thereto portion of the first sheet along said second circular line of perforations;
- a fluid inlet in communication with said wound treatment chamber for supply of a treatment medium thereto;
- and
- a fluid outlet in communication with said wound treatment chamber for withdrawal of the treatment medium therefrom.
8 more elements
Dependencies are inferred from the claim text.