PH-triggered therapeutical wound dressing
AssigneePaul Hartmann AG
InventorsMarkus Kettel, Andrew Tobias Jenkins, Laura Wallace
Life of this patent
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Abstract
The invention relates to a functional wound dressing being able to provide substances supporting the healing of a wound to the wound depending on the condition of the wound. In particular, in case of an infection which is reported to be frequently associated with poorly healing wounds, such as chronic wounds, a therapeutic substance is provided to the wound whereas in other cases no therapeutic substance is provided. The present wound dressing can be used in moist wound healing and contains a substance being able to absorb wound exudate from the wound and to provide moisture to the wound.
Claims15
A wound dressing comprising
- a) a hydrogel layer able to be orientated facing towards the wound,
- b) a layer comprising a pH-sensitive polymer, and
- c) one or more compartment(s) comprising carrier containing one or more therapeutic substance(s),
- wherein each compartment c) is placed in layer b), and
- wherein layer b) comprises one or more recesses opposite the wound, wherein in said one or more recesses the one or more compartment(s) c) are embedded.
A method of treating a wound comprising the step of applying a wound dressing to the wound, wherein said wound dressing comprises:
- a) a hydrogel layer able to be orientated facing towards the wound,
- b) a layer comprising a pH-sensitive polymer, and
- c) one or more compartments comprising carrier containing one or more therapeutic substances,
- wherein each of the one or more compartments c) is placed in layer b), wherein layer b) comprises one or more recesses opposite the wound, wherein in said one or more recesses the one or more compartment(s) c) are embedded, and wherein the one or more therapeutic substances is provided to the wound.
Dependencies are inferred from the claim text.