WO1981003423A1 - Bandage containing attachment post - Google Patents
Bandage containing attachment post Download PDFInfo
- Publication number
- WO1981003423A1 WO1981003423A1 PCT/US1981/000750 US8100750W WO8103423A1 WO 1981003423 A1 WO1981003423 A1 WO 1981003423A1 US 8100750 W US8100750 W US 8100750W WO 8103423 A1 WO8103423 A1 WO 8103423A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bandage
- base plate
- matrix
- layer
- post
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
- A61K9/7084—Transdermal patches having a drug layer or reservoir, and one or more separate drug-free skin-adhesive layers, e.g. between drug reservoir and skin, or surrounding the drug reservoir; Liquid-filled reservoir patches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive plasters or dressings
- A61F13/0203—Adhesive plasters or dressings having a fluid handling member
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/26—Cannula supporters
Definitions
- This invention relates to bandages, and more particu ⁇ larly, to a bandage which can be assembled just prior to use and which can dispense a medicament if desired. 2 * Description of the Prior Art
- bandages are in general of course well known in the art. However, bandages in the past have been of basically unitary construction and have been intended more for protec ⁇ tive rather than therapeutic uses.
- the above objects and others are obtained by providing a bandage composed of readily assembled pieces.
- the first piece is made up of a lower portion, a base plate attached to the lower portion, and a post extending from the surface of the base plate.
- the second piece of the bandage is a ma ⁇ trix, which is attached to the first piece by means of a hole in the matrix which fits around the post of the first piece.
- a matrix is de ⁇ fined as a material that will contact the skin of a patient for healing or other therapeutic purposes.
- a matrix is intended to refer to both a conventional bandage pad and an assembly that contains a medicament.
- Figure 1 is a perspective view of two bandages of the present invention having different shapes and sizes
- Figure 2 is a sectional side view of the bandage taken along line 2-2 of Figure 1;
- Figure 3 is an enlarged sectional side view of the ban ⁇ dage taken along line 3-3 of Figure 2, showing the assembly of the bandage in detail;
- Figure 4 is a sectional side view of another embodiment of the base plate and matrix
- Figure 5 is a perspective view of another configuration of the matrix
- Figure 6 through 8 show alternative constructions of the post
- Figure 9 is a top view of an alternative embodiment of the bandage wherein the lower portion is in the form of a strap.
- the bandage 10 is generally composed of a lower portion 12, a base plate 14 from which post 22 extends, and matrix 16. '
- the matrix 16 is secured to the rest of the bandage by means of hole 21 which extends through the matrix and fits around post 22.
- the hole 21 can be, but is not necessarily, defined by eyelet 20.
- the post can be attached to the base plate by means of a rivet 24 extending through the lower portion and base plate as shown in Figure 3.
- the rivet can also extend through the base plate alone (not shown) .
- Other forms of attachment such as adhesive attachment, are also readily useable as a means for attachment.
- the lower portion 12 is composed of a backing (or first) layer 15 and an adhesive layer 13 applied to the up ⁇ per surface of the backing layer.
- a release line 18 may be utilized to prevent unwanted adhesion prior to use.
- the base plate 14 can be composed of any suitable barrier material, such as metal- foil or metal foil-polymer laminates ("polyfoils”) .
- suitable barrier material such as metal- foil or metal foil-polymer laminates ("polyfoils”) .
- Other possible base plate combi ⁇ nations include, but are not limited to, aluminum foil- polyester, Surlyn-polypropylene, polyamide-aluminum foil- polyvinyl chloride ("Alusuisse”) , polyethylene-polyester, and bilaminate foil-CX-220 manufactured by the Ludlow Packaging division of Ludlow Corporation, Holyoke, Massachusetts 01040.
- the base plate is composed of a polyethylene layer 34, an aluminum foil layer 36, and a polyester layer 38.
- the "Alusuisse" embodiment specifically consists of an 18 micron thick layer of polyamide, a 40 micron thick layer of aluminum foil, and a 60 micron thick layer of polyvinyl- chloride.
- the matrix 16 can be composed of any suitable bandage material such as a cotton batt or synthetic bandage mate ⁇ rial, e..g., a polyester like polyethylene terephthalate.
- the matrix can also have several layers such as an aluminum foil layer and a polyester layer, or as shown in Figure 4, a layer of polyethylene 32, an aluminum foil layer 30, a layer of polyethylene 28, and a polyester layer 26.
- the matrix can also be further composed of a medica ⁇ ment containing-dispensing layer.
- a medica ⁇ ment containing-dispensing layer An example of this type of matrix is disclosed in U.S. Patent Application 109,242 to Keith et al., entitled “Polymeric Diffusion Matrix", filed January 3, 1980, incorporated by reference herewith. That application discloses a polymeric diffusion matrix composed of glycerol, a polyvinyl alcohol, and a water sol ⁇ uble polymer with hydration sites, e.g., polyvinyl pyrroli- done. This matrix provides sustained release of a medica ⁇ ment which is introduced to the matrix during manufacture of the matrix.
- An example of a medicament which can be dispensed from such a matrix is trinitroglycerol, which is used as a vasodilator for treating heart conditions.
- the hole 21 should be of such a size as to fit snugly around the post 22, the post 22 preferably being contructed so that at some point, the body of the post is wider than at a point immediately closer to the base of the post. This structure provides a more secure holding of the ma ⁇ trix.
- the length of the post should also be less than the thickness of the matrix to prevent possible injury to the patient.
- Figure 5 shows a matrix of a variable size, wherein the size of the matrix can be increased by adding concen ⁇ tric rings 40, 42, and 44 to central matrix 46 containing hole 21, or decreased by removing concentric rings 40, 42, and 44.
- Figures 6, 7, and 8 show various configurations for the post.
- Figure 6 also shows a configuration for rivet 24.
- the post attachment bandage can be used as an I.V. tube supporter, with the I.V. tube extending through the rivet and post and then into the patient.
- FIG. 9 shows a second embodiment for the bandage.
- the lower portion 12 is in the form of a strap.
- the bandage is shown without the matrix attached.
- the strap is provided with fasteners 48 on each end of the strap.
- One suitable fastener is a flexible fabric fastener of an interconnectible series of loops and hooks, the fas ⁇ tener being located on opposite faces of the strap. This fastener is commonly known as a "Velcro" fastener in the trade.
- Other suitable fasteners such as snaps or adhesives are also readily conceived.
- the bandage can be packaged by having the combination of the lower portion, baseplate and post enclosed in one package and the matrix in another package.
- the pa ⁇ tient desires to use the bandage, he can open the two pack ⁇ ages and attach the matrix to the post. This is advanta ⁇ geous if different types of packaging are desirable for the matrix and lower portion.
Abstract
A bandage comprising a lower portion (12) and a matrix (16). The lower portion has an upper surface, a base plate (14) on the upper surface, and a post (22) extending from the surface of the base plate. The matrix is attached to the lower portion by means of a hole extending through the matrix which fits around the post. The upper surface of the lower portion can be adhesively coated (13) if desired. The lower portion can also be in the form of a strap. The base plate can be composed of a suitable barrier material such as metal foil-polyester laminates (36). If desired, the matrix can be of a material which can dispense medicaments such as trinitroglycerol.
Description
BANDAGE CONTAINING ATTACHMENT POST BACKGROUND OF THE INVENTION 1* Field of the Invention
This invention relates to bandages, and more particu¬ larly, to a bandage which can be assembled just prior to use and which can dispense a medicament if desired. 2* Description of the Prior Art
Bandages are in general of course well known in the art. However, bandages in the past have been of basically unitary construction and have been intended more for protec¬ tive rather than therapeutic uses.
SUMMARY OF THE INVENTION
It is an object of this invention to provide a bandage of simple construction.
It is a further object of this invention to provide a bandage which can be used for administering therapeutic doses of a medicament.
It is a still further object to provide a bandage which can be assembled by the patient prior to use.
It is a still further object to provide a bandage which is easily and economically fabricated.
The above objects and others are obtained by providing a bandage composed of readily assembled pieces. The first piece is made up of a lower portion, a base plate attached to the lower portion, and a post extending from the surface of the base plate. The second piece of the bandage is a ma¬ trix, which is attached to the first piece by means of a hole in the matrix which fits around the post of the first piece. For the purposes of this invention, a matrix is de¬ fined as a material that will contact the skin of a patient for healing or other therapeutic purposes. Thus a matrix is intended to refer to both a conventional bandage pad and an assembly that contains a medicament.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view of two bandages of the present invention having different shapes and sizes;
Figure 2 is a sectional side view of the bandage taken along line 2-2 of Figure 1;
Figure 3 is an enlarged sectional side view of the ban¬ dage taken along line 3-3 of Figure 2, showing the assembly of the bandage in detail;
Figure 4 is a sectional side view of another embodiment of the base plate and matrix;
Figure 5 is a perspective view of another configuration of the matrix;
Figure 6 through 8 show alternative constructions of the post; and
Figure 9 is a top view of an alternative embodiment of the bandage wherein the lower portion is in the form of a strap.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to Figures 1 through 3, the bandage 10 is generally composed of a lower portion 12, a base plate 14 from which post 22 extends, and matrix 16.' The matrix 16 is secured to the rest of the bandage by means of hole 21 which extends through the matrix and fits around post 22. The hole 21 can be, but is not necessarily, defined by eyelet 20. The post can be attached to the base plate by means of a rivet 24 extending through the lower portion and base plate as shown in Figure 3. The rivet can also extend through the base plate alone (not shown) . Other forms of attachment, such as adhesive attachment, are also readily useable as a means for attachment.
The lower portion 12 is composed of a backing (or first) layer 15 and an adhesive layer 13 applied to the up¬ per surface of the backing layer. A release line 18 may be utilized to prevent unwanted adhesion prior to use.
The base plate 14 can be composed of any suitable
barrier material, such as metal- foil or metal foil-polymer laminates ("polyfoils") . Other possible base plate combi¬ nations include, but are not limited to, aluminum foil- polyester, Surlyn-polypropylene, polyamide-aluminum foil- polyvinyl chloride ("Alusuisse") , polyethylene-polyester, and bilaminate foil-CX-220 manufactured by the Ludlow Packaging division of Ludlow Corporation, Holyoke, Massachusetts 01040. In the preferred embodiment shown in Figure 4 , the base plate is composed of a polyethylene layer 34, an aluminum foil layer 36, and a polyester layer 38. The "Alusuisse" embodiment specifically consists of an 18 micron thick layer of polyamide, a 40 micron thick layer of aluminum foil, and a 60 micron thick layer of polyvinyl- chloride.
The matrix 16 can be composed of any suitable bandage material such as a cotton batt or synthetic bandage mate¬ rial, e..g., a polyester like polyethylene terephthalate. The matrix can also have several layers such as an aluminum foil layer and a polyester layer, or as shown in Figure 4, a layer of polyethylene 32, an aluminum foil layer 30, a layer of polyethylene 28, and a polyester layer 26.
The matrix can also be further composed of a medica¬ ment containing-dispensing layer. An example of this type of matrix is disclosed in U.S. Patent Application 109,242 to Keith et al., entitled "Polymeric Diffusion Matrix", filed January 3, 1980, incorporated by reference herewith. That application discloses a polymeric diffusion matrix composed of glycerol, a polyvinyl alcohol, and a water sol¬ uble polymer with hydration sites, e.g., polyvinyl pyrroli- done. This matrix provides sustained release of a medica¬ ment which is introduced to the matrix during manufacture of the matrix. An example of a medicament which can be dispensed from such a matrix is trinitroglycerol, which is used as a vasodilator for treating heart conditions.
The hole 21 should be of such a size as to fit snugly
around the post 22, the post 22 preferably being contructed so that at some point, the body of the post is wider than at a point immediately closer to the base of the post. This structure provides a more secure holding of the ma¬ trix. The length of the post should also be less than the thickness of the matrix to prevent possible injury to the patient.
Figure 5 shows a matrix of a variable size, wherein the size of the matrix can be increased by adding concen¬ tric rings 40, 42, and 44 to central matrix 46 containing hole 21, or decreased by removing concentric rings 40, 42, and 44.
Figures 6, 7, and 8 show various configurations for the post. Figure 6 also shows a configuration for rivet 24. If a hollow post and rivet are provided, the post attachment bandage can be used as an I.V. tube supporter, with the I.V. tube extending through the rivet and post and then into the patient.
Figure 9 shows a second embodiment for the bandage. In this embodiment, the lower portion 12 is in the form of a strap. The bandage is shown without the matrix attached. The strap is provided with fasteners 48 on each end of the strap. One suitable fastener is a flexible fabric fastener of an interconnectible series of loops and hooks, the fas¬ tener being located on opposite faces of the strap. This fastener is commonly known as a "Velcro" fastener in the trade. Other suitable fasteners such as snaps or adhesives are also readily conceived.
The bandage can be packaged by having the combination of the lower portion, baseplate and post enclosed in one package and the matrix in another package. When the pa¬ tient desires to use the bandage, he can open the two pack¬ ages and attach the matrix to the post. This is advanta¬ geous if different types of packaging are desirable for the matrix and lower portion.
OMPI
Claims
1. A bandage comprising: a) a lower portion comprising.:
1) a first layer having an upper surface; and
2) a base plate having an upper face and a lower face, said lower face being attached to said upper surface of said first layer, said base plate having a surface area less than the surface of said upper surface of said first layer; b) a post extending upwardly from the upper face of said base plate; and c) a matrix having an upper surface and a lower surface and a hole extending from said lower surface to said upper surface, said lower surface being in intimate contact with the upper face of said base plate, said post passing through said hole.
2. A bandage comprising: a) a lower portion comprising:
1) a first layer having an adhesively coated ■ upper surface; and
2) a base plate having an upper face and a lower face, said lower face being attached to said adhe¬ sively coated upper surface of said first layer, said base plate having a surface area less than the surface area of said adhesively coated upper surface of the first layer; b) a post extending upwardly from the upper face of said base plate; and c) a matrix having an upper surface and a lower surface and a hole extending from said lower surface to said upper surface, said lower surface being in intimate contact with the upper face of said base plate, said post passing through said hole.
3. The bandage of claim 1 or 2 wherein said base plate is a metal foil.
4. The bandage of claim 2 further comprising a release liner in contact with the adhesively coated upper surface of said first layer.
5. The bandage of claim 1 or 2 wherein said matrix has a surface area less than the surface area of said base plate.
6. The bandage of claim 4 wherein said release liner surrounds said base plate.
7. The bandage of claim 3 wherein said metal foil is a laminate containing aluminum foil and a polyester layer.
8. The bandage of claim 1 or 2 wherein in said post is adhesively attached to said base plate.
9. The bandage of claim 1 or 2 wherein said post is attached to said base plate by a rivet extending through said base plate and said first layer.
10. The bandage of claim 1 or 2 wherein said post is attached to said base plate by a rivet extending through said base plate.
11. The bandage of claim 1 or 2 wherein the hole in said matrix is defined by an eyelet.
12. The matrix of claim 1 or 2 wherein said matrix contains a medicament.
13. The bandage of claim 1 or 2 wherein said matrix comprises a series of concentric matrices having a central matrix.
.
14. The bandage of claim 13 wherein said hole is located in said central matrix.
15. The bandage of claim 1 wherein the first layer of said lower portion is a strap.
16. The bandage of claim 15 wherein said strap com¬ prises opposite faces each having a flexible fabric fas¬ tener of an interconnectable series of loops and hooks.
17. The bandage of claim 1 or 2 wherein said lower portion and said post are preassembled and combined in a first package and said matrix is contained in a second package, said bandage being assembled from said first and said second package prior to use.
18. The bandage of claim 1 or 2 wherein said matrix includes a laminate containing aluminum foil and a polyester.
19. The bandage of claim 18 wherein said matrix comprises a layer of polyethylene, a layer of aluminum foil, a thin layer of polyethylene, and a layer of polyester.
20. The bandage of claim 19 wherein said matrix further comprises a layer containing a medicament.
21. The bandage of claim 20 wherein said medicament - is trinitroglycerol.
22. The bandage of claim 1 or 2 wherein said post has a bottom next to said base plate, at some point said post having a greater cross sectional area than the cross sectional area at a point immediately closer to said bottom.
23. The bandage of claim 1 or 2 wherein said post has a length shorter than the thickness of said matrix.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/156,025 US4297995A (en) | 1980-06-03 | 1980-06-03 | Bandage containing attachment post |
US156025 | 1993-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1981003423A1 true WO1981003423A1 (en) | 1981-12-10 |
Family
ID=22557765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1981/000750 WO1981003423A1 (en) | 1980-06-03 | 1981-06-03 | Bandage containing attachment post |
Country Status (3)
Country | Link |
---|---|
US (1) | US4297995A (en) |
EP (1) | EP0052660A1 (en) |
WO (1) | WO1981003423A1 (en) |
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WO1989002754A1 (en) * | 1987-09-22 | 1989-04-06 | Coloplast A/S | A dressing material for the treatment of wounds, and corpuscles for use in the production thereof |
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US3491753A (en) * | 1969-01-14 | 1970-01-27 | Price Brothers & Co Ltd | Medical dressings |
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- 1981-06-03 EP EP81901941A patent/EP0052660A1/en not_active Withdrawn
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US2221758A (en) * | 1937-05-12 | 1940-11-19 | Elmquist Francis | Surgical dressing |
US2572641A (en) * | 1947-03-10 | 1951-10-23 | Manley Charles | Wound dressing |
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EP0258521A1 (en) * | 1986-08-23 | 1988-03-09 | Arno Walter Latzke | Means for applying media by percutany |
WO1989002754A1 (en) * | 1987-09-22 | 1989-04-06 | Coloplast A/S | A dressing material for the treatment of wounds, and corpuscles for use in the production thereof |
Also Published As
Publication number | Publication date |
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EP0052660A1 (en) | 1982-06-02 |
US4297995A (en) | 1981-11-03 |
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