Multi-dressing system for managing skin wounds

• US 20040241215A1
• Filed: 05/19/2004
• Published: 12/02/2004
• Est. Priority Date: 05/20/2003
• Status: Abandoned Application

• Current Assignee: Avery Dennison Corporation
• Original Assignee: Avery Dennison Corporation
• Inventors: Lipman, Roger D. A.
• Application Number:
  US10/849,640
• Publication Number:
  US 20040241215A1
• Time in Patent Office: Days
• US Class Current: 424/445
• CPC Class Codes: A61F 13/0246 characterised by the skin-adhering layer
• CPC Class Codes: A61F 13/122 specially adapted for the face
• CPC Class Codes: A61F 17/00 First-aid kits
• CPC Class Codes: A61F 2013/00229 with alginate
• CPC Class Codes: A61F 2013/00263 vapour permeability >500 g/m2/24h
• CPC Class Codes: A61F 2013/00268 impervious, i.e. occlusive bandage
• CPC Class Codes: A61F 2013/00578 conformable; soft or flexible, e.g. elastomeric
• CPC Class Codes: A61F 2013/00617 with different hardness
• CPC Class Codes: A61F 2013/00697 elastomer-, e.g. rubber- based
• CPC Class Codes: A61F 2013/00757 with absorbent adhesives
• CPC Class Codes: A61F 2013/00876 vapour permeability >500 g/mg/24h
• CPC Class Codes: A61F 2013/00885 impervious, i.e. occlusive bandage
• CPC Class Codes: A61L 15/58 Adhesives
• CPC Class Codes: A61L 15/585 Mixtures of macromolecular compounds

Abstract

A system for managing a skin wound, including at least one occlusive dressing; and at least one moldable composition, in which the occlusive dressing includes an occlusive layer and a fluid-absorbing pressure-sensitive adhesive material including a mixture of an adhesive material and at least one water-soluble and/or water-swellable polymer, and the moldable composition is moldable to fill body contours adjacent and/or overlapping the skin wound and when used with the occlusive dressing substantially all portions of the skin wound can be in contact with one of the moldable composition or the occlusive dressing.

Claims

1. A system for managing a skin wound in an animal, comprising:

at least one occlusive dressing; and

at least one moldable composition,

wherein the occlusive dressing comprises an occlusive layer and a fluid-absorbing pressure-sensitive adhesive material layer, the adhesive material layer comprising a mixture of an adhesive material and at least one water-soluble and/or water-swellable polymer,

wherein the moldable composition is moldable to fill body contours of the animal adjacent and/or overlapping the skin wound and when used with the occlusive dressing substantially all portions of the skin wound can be in contact with one of the moldable composition or the occlusive dressing.

2. The system of claim 1, further comprising at least one moisturizing dressing for application to the skin wound after removal of the occlusive dressing.

3. The system of claim 1, wherein the at least one occlusive dressing has a moisture absorbing capacity of at least 300 g/m²/24 hours.

4. The system of claim 1, wherein at least one said occlusive dressing has a moisture absorbing capacity in a range from about 300 g/m²/24 hours to about 5000 g/m²/24 hours.

5. The system of claim 1, wherein at least one said occlusive dressing has a moisture absorbing capacity greater than 3000 g/m²/24 hours.

6. The system of claim 1, wherein two occlusive dressings are sequentially applied, a first occlusive dressing having moisture absorbing capacity greater than 3000 g/m²/24 hours, and a second occlusive dressing having moisture absorbing capacity in a range from about 300 g/m²/24 hours to about 5000 g/m²/24 hours.

7. The system of claim 2, wherein the moisturizing dressing comprises a mixture of an adhesive material and at least one water-soluble and/or water-swellable polymer.

8. The system of claim 2, wherein the at least one moisturizing dressing comprises a trans-polyoctenamer polymer.

9. The system of claim 2, further comprising at least one moisturizing agent applied with the moisturizing dressing.

10. The system of claim 1, wherein the adhesive material comprises a thermoplastic polymer and a compatible liquid rubber.

11. The system of claim 10, wherein the thermoplastic polymer comprises a block copolymer.

12. The system of claim 10, wherein the thermoplastic polymer is either a physically cross-linked solid rubber or a styrene-containing thermoplastic elastomer.

13. The system of claim 12, wherein the polymer is a styrene-containing thermoplastic elastomer and further comprises one or more low molecular weight polyolefins.

14. The system of claim 12, wherein the polymer is a physically cross-linked solid rubber comprising at least one styrenic copolymer.

15. The system of claim 10, wherein the liquid rubber comprises at least one of a liquid isoprene polymer, a liquid isoprene-styrene copolymer, and a liquid isoprene-butadiene copolymer.

16. The system of claim 1, wherein the at least one water-soluble and/or water-swellable polymer comprises at least one hydrophilic absorbent polymer.

17. The system of claim 16, wherein the hydrophilic absorbent polymer comprises one or more of alginic acid, sodium alginate, calcium alginate, cellulose-derived material, starch or a modified starch, a copolymer of a starch or a cellulosic material, a water soluble hydrocolloid, a synthetic resin, a mannan, seaweeds, a plant mucilage.

18. The system of claim 1, wherein the skin wound is a skin resurfacing wound.

19. The system of claim 1, further comprising an adjunct absorbing layer comprising a highly absorbent polymeric material, wherein the adjunct absorbing layer is between the occlusive layer and the fluid-absorbing pressure-sensitive adhesive material layer.

20. The system of claim 19, wherein the adjunct absorbing layer comprises an absorbent material capable of absorbing about 15 or more grams of physiological saline per gram of absorbent.

21. The system of claim 1, wherein at least one of the dressings is provided in the form of a mask.

22. The system of claim 1 further comprising at least one fluid absorbing adhesive paste.

23. The system of claim 22 wherein the adhesive paste comprises

a continuous phase comprising at least one styrene-containing thermoplastic elastomer, at least one compatible liquid rubber, polyisobutylene, and at least one oil;

and

a discontinuous phase comprising at least one water soluble and/or water swellable absorbent polymer;

wherein the adhesive paste contains about 25% to about 45% by weight, based on the total weight of the adhesive paste, of the oil.

24. A method of managing a skin wound, comprising applying the system of claim 1 to a patient in need thereof.

25. A system for managing a skin wound, comprising:

(a) at least two occlusive dressings,

wherein a first of the at least two occlusive dressings exhibits a moisture absorbing capacity greater than about 3000 g/m²/24 hours, and a second of the at least two occlusive dressing exhibits a moisture absorbing capacity in a range from about 300 g/m²/24 hours to about 5000 g/m²/24 hours, and

wherein each of the at least two occlusive dressings comprises an occlusive layer and a fluid-absorbing pressure-sensitive adhesive material layer comprising a mixture of an adhesive material and at least one water-soluble and/or water-swellable polymer, wherein the first occlusive dressing is applied first and is subsequently replaced by the second occlusive dressing;

(b) a moldable composition moldable to fill body contours adjacent and/or overlapping the skin wound and that, when used with the at least one occlusive dressing, substantially all portions of the skin wound can be in contact with one of the moldable composition or the at least one occlusive dressing; and

(c) at least one moisturizing dressing.

26. The system of claim 25, wherein the first occlusive dressing is first applied to a skin wound, and the second occlusive dressing is subsequently applied to the wound, and thereafter the at least one moisturizing dressing is applied to the wound.

27. The system of claim 25, wherein the moisturizing dressing comprises a mixture of an adhesive material and at least one water-soluble and/or water-swellable polymer.

28. The system of claim 25, wherein the at least one moisturizing dressing comprises a trans-polyoctenamer polymer.

29. The system of claim 25, further comprising at least one moisturizing agent applied with the moisturizing dressing.

30. The system of claim 25, wherein the adhesive material layer comprises a thermoplastic polymer and a compatible liquid rubber.

31. The system of claim 30, wherein the thermoplastic polymer comprises a block copolymer.

32. The system of claim 30 wherein the thermoplastic polymer is either a physically cross-linked solid rubber or a styrene-containing thermoplastic elastomer.

33. The system of claim 32, wherein the polymer is a styrene-containing thermoplastic elastomer and further comprises a low molecular weight polyolefin.

34. The system of claim 32, wherein the thermoplastic polymer is a physically cross-linked solid rubber comprising at least one styrenic copolymer.

35. The system of claim 30, wherein the liquid rubber comprises at least one of a liquid isoprene polymer, a liquid isoprene-styrene copolymer, and a liquid isoprene-butadiene copolymer.

36. The system of claim 25, wherein the at least one water-soluble and/or water-swellable polymer comprises at least one hydrophilic absorbent polymer.

37. The system of claim 36, wherein the hydrophilic absorbent polymer comprises one or more of alginic acid, sodium alginate, calcium alginate, cellulose-derived material, starch or a modified starch, a copolymer of a starch or a cellulosic material, a water soluble hydrocolloid, a synthetic resin, a mannan, seaweeds, a plant mucilage.

38. The system of claim 25, wherein the skin wound is a skin resurfacing wound.

39. The system of claim 25, further comprising an adjunct absorbing layer comprising a highly absorbent polymeric material, wherein the adjunct absorbing layer is between the occlusive layer and the fluid-absorbing pressure-sensitive adhesive material layer.

40. The system of claim 39, wherein the adjunct absorbing layer comprises an absorbent material capable of absorbing about 15 or more grams of physiological saline per gram of absorbent.

41. The system of claim 36, wherein at least one of the dressings is provided in the form of a mask.

42. The system of claim 25 further comprising a fluid absorbing adhesive paste.

43. The system of claim 42 wherein the paste comprises

a continuous phase comprising at least one styrene-containing thermoplastic elastomer, at least one compatible liquid rubber, polyisobutylene, and at least one oil;

and

a discontinuous phase comprising at least one water soluble and/or water swellable absorbent polymer;

wherein the adhesive paste contains about 25% to about 45% by weight, based on the total weight of the adhesive paste, of the oil.

44. A method of managing a skin wound, comprising applying the system of claim 25 to a patient in need thereof.

45. A method for managing a skin wound, comprising:

applying to a patient in need thereof a system of wound dressings, the system comprising;

at least one occlusive dressing; and

at least one moldable composition,

wherein the occlusive dressing comprises an occlusive layer and a fluid-absorbing pressure-sensitive adhesive material layer comprising a mixture of an adhesive material and at least one water-soluble and/or water-swellable polymer,

wherein the applying includes the moldable composition is moldable to fill body contours of the animal adjacent and/or overlapping the skin wound and when used with the occlusive dressing substantially all portions of the skin wound can be in contact with one of the moldable composition or the occlusive dressing, and

the step of applying includes first applying the at least one moldable composition to cover portions of the skin wound that otherwise would not be contacted by the occlusive dressing, and second applying the at least one occlusive dressing to contact the skin wound and the moldable composition.

46. The method of claim 45, further comprising removing the occlusive dressing and, after the occlusive dressing is removed, applying at least one moisturizing dressing to the skin wound.

47. The system of claim 46, wherein the moisturizing dressing comprises a mixture of a an adhesive material and at least one water-soluble and/or water-swellable polymer.

48. The method of claim 45, wherein the at least one occlusive dressing has a moisture absorbing capacity of at least 300 g/m²/24 hours.

49. The method of claim 45, wherein at least one said occlusive dressing has a moisture absorbing capacity in a range from about 300 g/m²/24 hours to about 5000 g/m²/24 hours.

50. The method of claim 45, wherein at least one said occlusive dressing has a moisture absorbing capacity greater than 3000 g/m²/24 hours.

51. The method of claim 45, wherein the step of applying comprises first applying the moldable composition to portions of the skin wound that otherwise would not be contacted by the occlusive dressing, and thereafter applying sequentially two occlusive dressings, comprising first applying a first occlusive dressing having moisture absorbing capacity greater than about 3000 g/m²/24 hours, removing the first occlusive dressing, and thereafter applying a second occlusive dressing having moisture absorbing capacity in a range from about 300 g/m²/24 hours to about 5000 g/m²/24 hours.

52. The method of claim 45, further comprising applying at least one moisturizing agent with the moisturizing dressing.

53. The method of claim 52, wherein at least one said moisturizing agent is topically applied.

54. The method of claim 45, wherein the skin wound is a skin resurfacing wound.

55. The method of claim 45, wherein the at least one occlusive dressing further comprises an adjunct absorbing layer comprising a highly absorbent polymeric material, wherein the adjunct absorbing layer is between the occlusive layer and the fluid-absorbing pressure-sensitive adhesive material layer.

56. The method of claim 55, wherein the adjunct absorbing layer comprises an absorbent material capable of absorbing about 15 or more grams of physiological saline per gram of absorbent.

57. The method of claim 45, wherein the at least one water-soluble and/or water-swellable polymer comprises at least one hydrophilic absorbent polymer.

58. The method of claim 57, wherein the hydrophilic absorbent polymer comprises one or more of alginic acid, sodium alginate, calcium alginate, cellulose-derived material, starch or a modified starch, a copolymer of a starch or a cellulosic material, a water soluble hydrocolloid, a synthetic resin, a mannan, seaweeds, a plant mucilage.

59. The method of claim 45, wherein at least one of the dressings is provided in the form of a mask.

60. A wound treatment kit, comprising:

managing a skin wound, comprising;

at least one occlusive dressing, the occlusive dressing comprising a fluid-absorbing pressure-sensitive adhesive material comprising a mixture of an adhesive material and at least one water-soluble and/or water-swellable polymer;

at least one moldable composition; and

at least one moisturizing dressing.

61. The kit of claim 60, wherein at least one of the occlusive dressings is provided in the form of a mask.

62. The kit of claim 60, wherein at least one of the moisturizing dressings is provided in the form of a mask.

63. The kit of claim 60, further comprising a mask for use with at least one of the occlusive and/or moisturizing dressings.

64. The kit of claim 60, the at least one occlusive dressing comprising two occlusive dressings, a first occlusive dressing having moisture absorbing capacity greater than about 3000 g/m²/24 hours, and a second occlusive dressing having moisture absorbing capacity in a range from about 300 g/m²/24 hours to about 5000 g/m²/24 hours.