CA2017506A1 - Adhesive bandage - Google Patents
Adhesive bandageInfo
- Publication number
- CA2017506A1 CA2017506A1 CA 2017506 CA2017506A CA2017506A1 CA 2017506 A1 CA2017506 A1 CA 2017506A1 CA 2017506 CA2017506 CA 2017506 CA 2017506 A CA2017506 A CA 2017506A CA 2017506 A1 CA2017506 A1 CA 2017506A1
- Authority
- CA
- Canada
- Prior art keywords
- reservoir
- compress
- adhesive bandage
- layer
- bandage according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- 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
-
- 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
- A61F2013/00361—Plasters
- A61F2013/00902—Plasters containing means
- A61F2013/0091—Plasters containing means with disinfecting or anaesthetics means, e.g. anti-mycrobic
Abstract
ABSTRACT OF THE DISCLOSURE
An adhesive bandage having a reservoir embedded between a cover layer and an upper layer of a compress of an adhesive bandage. The reservoir may be located either within the compress or between the compress and the cover layer. An active ingredient dissolved in a liquid or pasty substance is contained in the reservoir. The material of the reservoir is impermeable to penetration by the active ingredient and the substance in which it has been dissolved.
The reservoir can be broken under finger pressure and the active ingredient then soaks into the compress.
F-188 jaf/2
An adhesive bandage having a reservoir embedded between a cover layer and an upper layer of a compress of an adhesive bandage. The reservoir may be located either within the compress or between the compress and the cover layer. An active ingredient dissolved in a liquid or pasty substance is contained in the reservoir. The material of the reservoir is impermeable to penetration by the active ingredient and the substance in which it has been dissolved.
The reservoir can be broken under finger pressure and the active ingredient then soaks into the compress.
F-188 jaf/2
Description
BACKGROUND OF T_E INV NTION
Field of the Invention ~ ~7J~
This invention relates to an adhesive bandage, including a cover layer with sel~-adhesive lateral strips, a single-layer or multi-layer compress for placement on the wound and a removable protective layer.
_scription oE Prior Art Adhesive bandages or first aid bandages have been known for many years and are commercially available in many shapes and sizes.
For many years changes have not been made in their basic structure. Experience has resulted in many improvements and variations of the various materials of the individual layers. First aid bandages with various cover layers are available. The compress-type layer also is variously designed from gauze or webs.
Only recently has work begun on adhesive bandages with active ingredients added; such adhesive ~andages will be called medical plasters below. In part, these plasters are made without the compress on which a reservoir layer containing active ingredients has been placed. Such plasters are known, for example, from European patent references E~-A-0 154 904, EU-A-0 206 697, EU-A-0 148 391 and EU-A-0 204 9~6. They are particularly directed to a slow release o~ the active ingredient embedded in a resin-like substance. Mostly these active ingredients are those for transdermal applications.
For similar applications, Swiss patent reference CH-A-658 393 recites a plaster in which, in place of the compress, a reservoir has been formed from two different materials, namely a cover layer, essentially impermeable to penetration of the active ingredient, and a membrane F-188 2 jaf/2 intended for placement against the skin, made of a material which controls the speed of delivery of the active ingredient. Thus, the reservoir is a receptacle for a ~ ~ r~
liquid containing a rheoloyical medium and an active ingredientl the diffusion speed of which is optionally controllable by the membrane.
In contrast to the above described medical plasters intended to have an effect over a long period of time, first aid strips have not yet been provided with a reservoir for an active inqredient. Adhesive bandages are known, however, having compresses soaked in a solution containing an active ingredient, which have subsequently been dried.
If an active ingredient in liquid or pastP form for treating a wound is to be applied, it is still required today to store it separately, take it along and apply it directly to the wound at the appropriate time, after which the active ingredient is covered by an adhesive bandage.
Not only is this cumbersome, but often impossible, because the required active ingredients are not at hand.
SUMMARY OF THE INVENTION
It is an object of this invention to provide an adhesive bandage comprising a cover layer with self-adhesive lateral strips, a compress-type area of one or several layers for placing on the wound and a removable protective layer, which is suitable ~or immediate delivery of active ingredients in liquid or paste form.
This object is attained by an adhesive bandage including a cover layer having self-adhesive lateral strips, a single-layer or multi-layer compress for placing on a wound and a removable protective layer. A reservoir is positioned between an upper layer of the compress adjoining the wound and the cover layer. The reservoir is made of a F-188 3 jaf/2 material essentially impermeable to the penetration b~ the active ingredients and the liquid or pasty substance ~, r~
containing the active ingredients. The material has a stren~th which breaks under finger pressure.
The adhesive bandage in ascordance with this invention is, unless the removable protective layer is specially marked, hardly distinguishable in its exterior appearance from a conventional adhesive bandage.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a sectional view of one embodiment of an adhesive bandage in accordance with this invention;
Fig. 2 is another embodiment having multiple reservoirs;
Fig. 3 is a sectional view along the line III - III, as shown in Fig. 2;
Fig. 4 is a sectional view of another embodiment in accordance with Fig. 1; and Fig. 5 shows a protective layer of the adhesive bandage.
DESCRIPTION OF PREFERRED EMBODIMENTS
The topmost layer shown in Fig. 1 is the cover layer 1. It constitutes the actual support strip to which all other parts adhere directly or indirectly. The cover layer 1 may be made of longitudinally and laterally flexible flat textile bodies or of a breathing plastic foil. This aspect is unimportant for this invention, also unimportant is whether the cover layer is skin-colored or transparent.
According to present production methods, the adhesive bandage of this invention is also manufactured as an endless strip and is later cut as required. The lateral strips 2 of the cover layer 1 are coated with a suitable adhesive 30 reservoir 4 in the form of a strip is disposed in the center F-188 4 jaf/2 between the two lateral strips 2. The reservoir 4 is ~ a completely covered by a compress 5 in the form of a strip.
~he compress 5 is connected with the cover layer 1 in the area between and ad~acent to the lateral strips 2. The connection 6 betwesn the cover layer 1 and the compress 5 can be achieved in accordance with a suitable known method.
Depending on the type of the compress, for example whether it is made of gauze or of a web, the connection can be made by gluing, welding or sewing. ]Finally, a removable protective layer 7 is provided on the underside of the adhesive bandage and is held by the adhesive 3. As before, the protective layer 7 can be made of two strips overlapping in the area of the compress 5.
Fig. 2 illustrates how the reservoirs 4 can be made in the form of a continuous strip, the same as the adhesive bandage. In this embodiment, active ingredients in solution or in paste Eorm are enclosed by weld seams 8 between two foils of plastic at regula~ intervals. Suitable methods for such construction are known. The capsule-like reservoirs 4 made in this manner can be designed to burst upon finger pressure and can then soak the compress with their contents.
If the two foils of which the reservoirs are made are of even strength, it is not possible to predetermine the breaking point of the capsule~ This i of no consequence if the cover layer 1 is impermeable and the active ingredient is dissolved in a liquid. However, in many cases a directed delivery to the compress is desirable and necessary. This can be controlled by providing a predetermined breaking point 9 in the foil facing the compress. In such embodiment, it is possible, for example, to score the foil crosswise in the area of the predetermined breaking point 9.
Usable results were obtained in a test model where the F-188 5 jaf/2 dissolved ingredients were injected through a ~oil an~ ~e injection point 10 was covered. The injection point 10 was then used as the predetermined breakiny point 9.
It is also conceivable to fo~m the predetermined breaking point 9 by spot irradiation, for example with UV
radiation.
The embodiment shown in Fig. 4 is only slightly changed in comparison with the embodiment according to Fig. 1. The reservoir 4 of Fig. 4 is shown as a capsule. It does not adjoin the cover layer 1 direct:Ly, but is embedded between two layers of the compress 5 made of a web.
In the embodiment as shown in Fig. 1, the adhesive can also be applied to the entire underside of the cover layer 1, since the reservoir 4 adheres directly to the adhesive of the cover layer 1 and the compress 5 overlapping the reservoir 4 also only needs to be placed on it and is held by the same adhesive layer. The compression point 11, which causes breaking of the reservoir 4, may be marked on the protective layer. It can also contain further information, such as the identification of the appropriate active ingredient.
The reservoir 4 can be optionally filled with a disinfectant, insect bite reliever, burn ointment or any means for treating a wound, such as are available today under many trade names, and which today would have to be taken along, packaged in bottles or tubes, in excessive quantities. Therefore the adhesive bandages according to this invention are extremely suitable for first aid kitsA A
combination delivery of appropriately identified adhesive bandages for the most common uses is also possible. In this connection it would be useful to maXe the adhesive bandages F-188 6 jaf/2 ~al~7~
manufactured in the form of strips in series and to package them individually, as i5 often currently the case.
F-188 7 jaf/2
Field of the Invention ~ ~7J~
This invention relates to an adhesive bandage, including a cover layer with sel~-adhesive lateral strips, a single-layer or multi-layer compress for placement on the wound and a removable protective layer.
_scription oE Prior Art Adhesive bandages or first aid bandages have been known for many years and are commercially available in many shapes and sizes.
For many years changes have not been made in their basic structure. Experience has resulted in many improvements and variations of the various materials of the individual layers. First aid bandages with various cover layers are available. The compress-type layer also is variously designed from gauze or webs.
Only recently has work begun on adhesive bandages with active ingredients added; such adhesive ~andages will be called medical plasters below. In part, these plasters are made without the compress on which a reservoir layer containing active ingredients has been placed. Such plasters are known, for example, from European patent references E~-A-0 154 904, EU-A-0 206 697, EU-A-0 148 391 and EU-A-0 204 9~6. They are particularly directed to a slow release o~ the active ingredient embedded in a resin-like substance. Mostly these active ingredients are those for transdermal applications.
For similar applications, Swiss patent reference CH-A-658 393 recites a plaster in which, in place of the compress, a reservoir has been formed from two different materials, namely a cover layer, essentially impermeable to penetration of the active ingredient, and a membrane F-188 2 jaf/2 intended for placement against the skin, made of a material which controls the speed of delivery of the active ingredient. Thus, the reservoir is a receptacle for a ~ ~ r~
liquid containing a rheoloyical medium and an active ingredientl the diffusion speed of which is optionally controllable by the membrane.
In contrast to the above described medical plasters intended to have an effect over a long period of time, first aid strips have not yet been provided with a reservoir for an active inqredient. Adhesive bandages are known, however, having compresses soaked in a solution containing an active ingredient, which have subsequently been dried.
If an active ingredient in liquid or pastP form for treating a wound is to be applied, it is still required today to store it separately, take it along and apply it directly to the wound at the appropriate time, after which the active ingredient is covered by an adhesive bandage.
Not only is this cumbersome, but often impossible, because the required active ingredients are not at hand.
SUMMARY OF THE INVENTION
It is an object of this invention to provide an adhesive bandage comprising a cover layer with self-adhesive lateral strips, a compress-type area of one or several layers for placing on the wound and a removable protective layer, which is suitable ~or immediate delivery of active ingredients in liquid or paste form.
This object is attained by an adhesive bandage including a cover layer having self-adhesive lateral strips, a single-layer or multi-layer compress for placing on a wound and a removable protective layer. A reservoir is positioned between an upper layer of the compress adjoining the wound and the cover layer. The reservoir is made of a F-188 3 jaf/2 material essentially impermeable to the penetration b~ the active ingredients and the liquid or pasty substance ~, r~
containing the active ingredients. The material has a stren~th which breaks under finger pressure.
The adhesive bandage in ascordance with this invention is, unless the removable protective layer is specially marked, hardly distinguishable in its exterior appearance from a conventional adhesive bandage.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a sectional view of one embodiment of an adhesive bandage in accordance with this invention;
Fig. 2 is another embodiment having multiple reservoirs;
Fig. 3 is a sectional view along the line III - III, as shown in Fig. 2;
Fig. 4 is a sectional view of another embodiment in accordance with Fig. 1; and Fig. 5 shows a protective layer of the adhesive bandage.
DESCRIPTION OF PREFERRED EMBODIMENTS
The topmost layer shown in Fig. 1 is the cover layer 1. It constitutes the actual support strip to which all other parts adhere directly or indirectly. The cover layer 1 may be made of longitudinally and laterally flexible flat textile bodies or of a breathing plastic foil. This aspect is unimportant for this invention, also unimportant is whether the cover layer is skin-colored or transparent.
According to present production methods, the adhesive bandage of this invention is also manufactured as an endless strip and is later cut as required. The lateral strips 2 of the cover layer 1 are coated with a suitable adhesive 30 reservoir 4 in the form of a strip is disposed in the center F-188 4 jaf/2 between the two lateral strips 2. The reservoir 4 is ~ a completely covered by a compress 5 in the form of a strip.
~he compress 5 is connected with the cover layer 1 in the area between and ad~acent to the lateral strips 2. The connection 6 betwesn the cover layer 1 and the compress 5 can be achieved in accordance with a suitable known method.
Depending on the type of the compress, for example whether it is made of gauze or of a web, the connection can be made by gluing, welding or sewing. ]Finally, a removable protective layer 7 is provided on the underside of the adhesive bandage and is held by the adhesive 3. As before, the protective layer 7 can be made of two strips overlapping in the area of the compress 5.
Fig. 2 illustrates how the reservoirs 4 can be made in the form of a continuous strip, the same as the adhesive bandage. In this embodiment, active ingredients in solution or in paste Eorm are enclosed by weld seams 8 between two foils of plastic at regula~ intervals. Suitable methods for such construction are known. The capsule-like reservoirs 4 made in this manner can be designed to burst upon finger pressure and can then soak the compress with their contents.
If the two foils of which the reservoirs are made are of even strength, it is not possible to predetermine the breaking point of the capsule~ This i of no consequence if the cover layer 1 is impermeable and the active ingredient is dissolved in a liquid. However, in many cases a directed delivery to the compress is desirable and necessary. This can be controlled by providing a predetermined breaking point 9 in the foil facing the compress. In such embodiment, it is possible, for example, to score the foil crosswise in the area of the predetermined breaking point 9.
Usable results were obtained in a test model where the F-188 5 jaf/2 dissolved ingredients were injected through a ~oil an~ ~e injection point 10 was covered. The injection point 10 was then used as the predetermined breakiny point 9.
It is also conceivable to fo~m the predetermined breaking point 9 by spot irradiation, for example with UV
radiation.
The embodiment shown in Fig. 4 is only slightly changed in comparison with the embodiment according to Fig. 1. The reservoir 4 of Fig. 4 is shown as a capsule. It does not adjoin the cover layer 1 direct:Ly, but is embedded between two layers of the compress 5 made of a web.
In the embodiment as shown in Fig. 1, the adhesive can also be applied to the entire underside of the cover layer 1, since the reservoir 4 adheres directly to the adhesive of the cover layer 1 and the compress 5 overlapping the reservoir 4 also only needs to be placed on it and is held by the same adhesive layer. The compression point 11, which causes breaking of the reservoir 4, may be marked on the protective layer. It can also contain further information, such as the identification of the appropriate active ingredient.
The reservoir 4 can be optionally filled with a disinfectant, insect bite reliever, burn ointment or any means for treating a wound, such as are available today under many trade names, and which today would have to be taken along, packaged in bottles or tubes, in excessive quantities. Therefore the adhesive bandages according to this invention are extremely suitable for first aid kitsA A
combination delivery of appropriately identified adhesive bandages for the most common uses is also possible. In this connection it would be useful to maXe the adhesive bandages F-188 6 jaf/2 ~al~7~
manufactured in the form of strips in series and to package them individually, as i5 often currently the case.
F-188 7 jaf/2
Claims (9)
1. An adhesive bandage, having a cover layer with self-adhesive lateral strips, one of a single-layer and a multi-layer compress for placing on a wound and a removable protective layer, the improvement comprising: a reservoir (4) positioned between an upper layer of the compress (5) adjoining the wound and the cover layer (1), said reservoir (4) of a material impermeable to penetration by active ingredients and one of a liquid and a pasty substance containing said active ingredients, and said material having a strength causing said reservoir (4) to break under finger pressure.
2. An adhesive bandage according to Claim 1, wherein said reservoir (4) comprises two foils each of different composition, which are sealingly connected with each other to form a hollow space, one said foil oriented towards said upper layer of the compress (5) having a lesser strength than another said foil oriented towards the cover layer (1).
3. An adhesive bandage according to Claim 1, wherein said reservoir (4) is formed of two foils having similar composition, said foils sealingly connected with each other forming a hollow space, one said foil oriented towards said upper layer of the compress having at least one predetermined breaking point.
4. An adhesive bandage according to Claim 1, wherein said reservoir (4) is positioned between the cover layer (1) and the compress (5).
F-188 8 jaf/2
F-188 8 jaf/2
5. An adhesive bandage according to Claim 1, wherein said reservoir (4) is positioned between two layers of the multi-layer compress.
6. An adhesive bandage according to Claim 3, wherein said predetermined breaking point (9) is achieved with a mechanical weakening of said one foil.
7. An adhesive bandage according to Claim 3, wherein said predetermined breaking point (9) is formed by local irradiation of said one foil.
8. An adhesive bandage according to Claim 1, wherein a pressure point (11) suitable for breaking said reservoir (4) is marked on the removable protective layer (7).
9. An adhesive bandage according to Claim 1, wherein said active ingredients are on the removable protective layer (7).
F-188 9 jaf/2
F-188 9 jaf/2
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1971/89 | 1989-05-25 | ||
| CH197189A CH677443A5 (en) | 1989-05-25 | 1989-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2017506A1 true CA2017506A1 (en) | 1990-11-25 |
Family
ID=4222903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2017506 Abandoned CA2017506A1 (en) | 1989-05-25 | 1990-05-24 | Adhesive bandage |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0399248A3 (en) |
| JP (1) | JPH0320216A (en) |
| CA (1) | CA2017506A1 (en) |
| CH (1) | CH677443A5 (en) |
| DD (1) | DD297914A5 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19860759C2 (en) * | 1998-12-23 | 2003-03-27 | Sergey Radchenko | injection bandages |
| GB2353219B (en) * | 1999-08-16 | 2004-02-11 | Johnson & Johnson Medical Ltd | Easy to remove adhesive sheets |
| US7407193B2 (en) | 2004-03-18 | 2008-08-05 | Takata Corporation | Seat belt buckle |
| GB2414397B (en) * | 2004-05-26 | 2009-03-11 | Johnson And Johnson Medical Ltd | Self-irrigating wound dressing |
| FR2904764A1 (en) * | 2006-08-10 | 2008-02-15 | Patrick Roger Lucien Guetta | Medical device for e.g. moistening gas compress, has gas compress/article provided in packaging bag, where compress/article is impregnated by pre-dosed dosing device that spills liquids/medical gels |
| DE202008009795U1 (en) | 2008-07-22 | 2008-09-25 | Neubauer, Norbert | wound dressing |
| DE202009013208U1 (en) | 2009-10-01 | 2010-02-18 | Neubauer, Norbert | vacuum valve |
| DE202009016141U1 (en) | 2009-11-26 | 2010-03-04 | Neubauer, Norbert | vacuum valve |
| DE102015118780A1 (en) * | 2015-09-15 | 2017-03-16 | Andre Piontek | Medical plaster |
| DE202015007868U1 (en) | 2015-11-14 | 2016-01-26 | Norbert Neubauer | Ventilation drainage for wounds |
| DE102019122159A1 (en) * | 2019-08-19 | 2021-02-25 | Adrian Abu-Ghazaleh | Adhesive plaster containing a specially designed reservoir for a pharmaceutical preparation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489675A (en) * | 1947-06-18 | 1949-11-29 | Roberts Aaron Webb | Bandage |
| US2595606A (en) * | 1950-02-18 | 1952-05-06 | Pohjola Uno | Surgical dressing |
| US2579403A (en) * | 1950-06-01 | 1951-12-18 | Slomowitz Julius | Medical bandage |
| US3580254A (en) * | 1967-07-13 | 1971-05-25 | Henry P Stuart | Bandage containing a medicinal material and method of using |
| KR840002646A (en) * | 1981-12-09 | 1984-07-16 | 고니시 진우에몬 | First Aid Band-Aid |
-
1989
- 1989-05-25 CH CH197189A patent/CH677443A5/de not_active IP Right Cessation
-
1990
- 1990-04-30 EP EP19900108214 patent/EP0399248A3/en not_active Withdrawn
- 1990-05-23 DD DD34095790A patent/DD297914A5/en not_active IP Right Cessation
- 1990-05-24 JP JP13516990A patent/JPH0320216A/en active Pending
- 1990-05-24 CA CA 2017506 patent/CA2017506A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CH677443A5 (en) | 1991-05-31 |
| EP0399248A2 (en) | 1990-11-28 |
| EP0399248A3 (en) | 1992-04-08 |
| DD297914A5 (en) | 1992-01-30 |
| JPH0320216A (en) | 1991-01-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |