Wound dressing suitable for insertion in nasal passages
AssigneeFerris Pharmaceuticals Inc.
InventorRobert W. Sessions
Life of this patent
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Abstract
The invention provides a wound dressing comprising a body and a polymeric film adhered to at least a portion of the body. The body comprises a flexible, porous polyurethane-based foam and a liquid absorbing component. The invention further provides a wound dressing comprising a first body, a second body, and at least one polymeric film disposed between the first and second bodies. The invention additionally provides methods for treating an injury to a patient's nasal passages utilizing a wound dressing according to the invention.
Claims30
A wound dressing having an exterior portion adapted to contact a wound comprising:
- (i) a first body comprising a flexible, porous polyurethane-based foam and a liquid absorbing component,
- (ii) a second body comprising a flexible, porous polyurethane-based foam and a liquid absorbing component, and
- (iii) at least one polymeric film intermediate of at least a portion of a surface of the first body and at least a portion of a surface of the second body.
- wherein the first and second bodies are adhered to each other so that at least a portion of the polymeric film is disposed between the first and second bodies, and
- wherein at least a portion of the exterior of the first and second bodies comprise the exterior portion of the wound dressing and are capable of absorbing liquid.
A method for treating an injury to a nasal passage, the method comprising the steps of:
- (a) providing a wound dressing having an exterior portion adapted to contact a wound comprising:
- (i) a first body comprising a flexible, porous polyurethane-based foam and a liquid absorbing component,
- (ii) a second body comprising a flexible, porous polyurethane-based foam and a liquid absorbing component, and
- (iii) a polymeric film intermediate of at least a portion of a surface of the first body and at least a portion of a surface of the second body, wherein at least a portion of the exterior of the first and second bodies comprise the exterior portion of the wound dressing and are capable of absorbing liquid,
- (b) inserting the wound dressing into a patient's nasal passage so that at least a portion of the exterior portion of the wound dressing contacts an injured surface of the nasal passage.
- (c) retaining the wound dressing in the patient's nasal passage for a time sufficient for the injury to at least partially heal, and
- (d) removing the wound dressing from the patient's nasal passage.
A method for treating an injury to a nasal passage, the method comprising the steps of:
- (a) providing a wound dressing comprising:
- (i) a first body comprising a flexible, porous polyurethane-based foam and a liquid absorbing component,
- (ii) a second body comprising a flexible, porous polyurethane-based foam and a liquid absorbing component, and
- (iii) at least one polymeric film adhered to at least a portion of a surface of the first or second body,
- wherein the first and second bodies are adhered to each other so that at least a portion of the polymeric film is disposed between the first and second bodies,
- (b) inserting the wound dressing into a patient's nasal passage so that at least a portion of the wound dressing contacts an injured surface of the nasal passage,
- (c) retaining the wound dressing in the patient's nasal passage for a time sufficient for the injury to at least partially heal, and
- (d) removing the wound dressing from the patient's nasal passage.
Dependencies are inferred from the claim text.