Impregnated bandage

• US 4,176,664 A
• Filed: 03/13/1978
• Issued: 12/04/1979
• Est. Priority Date: 03/13/1978
• Status: Expired due to Term

• Current Assignee: Sherwood Medical Company (Medtronic Plc)
• Original Assignee: Stanley Kalish
• Inventors: Kalish, Stanley
• Primary Examiner(s): Yasko, John D.
• Application Number:
  US05/885,620
• Time in Patent Office: 631 Days
• Field of Search: 128/156, 128/155, 128/82, 128/268, 128/290 R, 128/169-171
• US Class Current: 604/307
• CPC Class Codes: A61F 13/0203 with fluid retention members

Abstract

An impregnated bandage having a backing strip with an adhesive coating on one side. A layer of or patch of absorbent material positioned in the approximate center from the ends of the backing strip. An impregnated layer of gauze adapted to contact the wound positioned above the absorbent layer. The impregnated bandage includes protective strips for protecting the adhesive surfaces until immediately prior to use and for separating the impregnated layer and the absorbent material. The protective strips are removed by a pulling movement applied to the ends of the protective strip prior to use of the bandage.

Claims

1. An impregnated bandage comprising:

(a) a backing having an adhesive surface on one side;

(b) an absorbent pad positioned partially along the length and intermediate the ends of the adhesive strip;

(c) a first protective strip attached to one portion of the adhesive extending beyond one end of the absorbent pad;

(d) a second protective strip having a first leg connected to a second portion of the adhesive extending beyond the other end of the absorbent pad;

(e) said second protective strip having a second leg positioned on the top of the absorbent pad;

(f) an impregnated gauze strip positioned in face-to-face engagement with the upper surface of said second leg of said second protective strip.

2. An impregnated bandage comprising:

(a) a backing having an adhesive surface;

(b) an absorbent pad positioned on the adhesive surface of said backing intermediate the ends thereof;

(c) an impregnated absorbent gauze superimposed over said absorbent pad;

(d) a protective strip positioned between said absorbent pad and said impregnated gauze sheet to thereby prevent contact between said absorbent pad and said impregnated absorbent sheet until said protective paper is removed.

3. An impregnated bandage comprising:

(a) a backing strip having one adhesive surface;

(b) an absorbent pad positioned on the adhesive surface of the backing strip intermediate the ends thereof so that there are adhesive surfaces adjacent the terminal edge of said absorbent pad adapted to engage the body adjacent the wound;

(c) an impregnated gauze sheet superimposed on said absorbent pad;

(d) a first and a second protective strip, said protective strips including a portion positioned in sandwich-like relationship between said absorbent pad and said impregnated gauze strip and including portions which protect the adhesive surfaces adjacent said absorbent pad prior to use of the bandage; and

(e) means for sliding that portion of the protective strip from the position between said absorbent pad and said impregnated gauze sheet and for removing the protective strips from the adhesive surfaces so that the impregnated bandage can be applied.

4. An impregnated bandage as defined in claim 3 wherein said first protective strip includes a leg means releasably attached to said adhesive surface of said backing strip on one side of said absorbent pad.

5. An impregnated bandage as defined in claim 4 wherein said second protective strip includes a first leg means releasably attached to said adhesive surface of said backing strip at the other end of said absorbent pad and a second leg means comprising a first layer of said second protective strip positioned between said absorbent pad and said impregnated gauze sheet.

6. An impregnated bandage as defined in claim 5 wherein extensions of said first and said second legs of said second protective strip form together a third leg comprising a double layer of protective strips in superimposed relationship with said impregnated gauze sheet.

7. An impregnated bandage as defined in claim 6 wherein said double layer of said protective strip is bent backwards and is adapted to form another layer of release paper in face-to-face relationship with said impregnated gauze sheet and to provide a gripping tab.

8. An impregnated bandage as defined in claim 7 wherein said first leg of said protective strip is attached to a second leg means adapted to be placed in sandwich-like relationship with said gripping tab and said second layer of said second protective strip.

9. An impregnated bandage as defined in claim 8 wherein said second leg means of said first protective strip has a reverse portion forming a gripping tab.

10. An impregnated bandage as defined in claim 9 wherein said absorbent gauze sheet is impregnated with a medicinal composition.

11. An impregnated bandage as defined in claim 9 wherein said absorbent gauze sheet is impregnated with a petroleum composition.

12. A bandage adapted to cover a wound and be attached to the human body comprising:

(a) a backing strip one surface of which is coated with an adhesive;

(b) an absorbent pad attached to the adhesive surface of said backing strip so that there are first and second end portions of said backing strip adhesively coated and adapted to be connected to the body;

(c) an impregnated gauze sheet on said absorbent pad, said impregnated gauze sheet having a portion in engagement with the adhesive surface of said backing strip;

(d) protective strip means having portions engaging the first and second end portions of said backing strip, and a portion positioned between said absorbent pad and said impregnated gauze sheet to prevent wicking of the impregnant into said absorbent pad, said protective strip means being removable prior to the application of the bandage to the wound.

13. A bandage as defined in claim 12 wherein said protective strip means comprise first and second protective strips.

14. A bandage as defined in claim 13 wherein said first protective strip has a leg portion adapted to engage one of said end portions of said backing strip.

15. A bandage as defined in claim 14 wherein said second protective strip has one leg portion adapted to engage said other end portion of said backing strip and another leg portion positioned between said absorbent pad and said impregnated gauze sheet.

16. A bandage as defined in claim 15 wherein said first and said second protective strips have means for gripping said strips so that by a pulling force said protective strips are removed from engagement with said adhesive surfaces on said backing strip.

17. A bandage as described in claim 16 wherein said gripping means comprises tabs on the free ends of said first and second protective strips.

18. A bandage comprising:

(a) a first wound contacting impregnated gauze layer;

(b) a second secretion absorbing pad layer above said contacting impregnated gauze layer;

(c) a backing strip having an adhesive surface in engagement with said pad layer;

(d) said first wound contacting layer having a portion in engagement with said adhesive surface;

(e) said first and second layers being positioned on said backing strip so as to provide first and second adhesive end portions;

(f) protective strip means for protecting said first and second end portions and for separating said contacting impregnated layer and said pad layer until immediately prior to use;

(g) said protective strip means being removed while said bandage is applied to the wound.

19. A method of assembling an impregnated bandage comprising:

(a) providing a backing strip having an adhesive coating on one side;

(b) placing an absorbent pad on the adhesive side of said backing strip so that the free ends of the adhesive surface can be attached to the body;

(c) placing the first leg of a protective strip in face-to-face relationship with the upper surface of the absorbent pad;

(d) placing the second leg of the protective strip in face-to-face relationship with one of the free ends of said adhesive surface, there being a third free leg;

(e) placing a sheet of gauze in superimposed face-to-face relationship with the leg of the protective strip in engagement with the upper surface of the absorbent pad, a portion of said sheet of gauze being in engagement with said adhesive coating;

(f) placing the first leg of another protective strip in face-to-face relationship with the other adhesive surface of the backing strip, there being a second free leg;

(g) folding said free legs of said protective strips so that the third leg is in superimposed face-to-face relationship with said gauze strip, and said second free leg is in superimposed face-to-face relationship with said third leg.

20. A method of forming an impregnated bandage comprising:

(a) providing a backing sheet having an adhesive coating on one side;

(b) placing an absorbent pad in engagement with the adhesive surface of an adhesive backing in a position so that there are two free adhesive surfaces on opposite sides of said absorbent pad;

(c) placing leg means of first and second protective strips in engagement with the free adhesive surfaces of said backing sheet;

(d) placing another leg means of one of said protective strips in superimposed face-to-face relationship with the upper surface of said absorbent pad;

(e) positioning an impregnated gauze sheet in superimposed face-to-face relationship with the leg of the protective strip in paragraph (d) above;

(f) folding free legs of said protective strip in superimposed relationship so as to cover the upper surface of said gauze sheet.

21. A method of applying to the wound on a human body an impregnated bandage having an absorbent pad positioned on the adhesive surface of a backing strip between the ends thereof so that there are terminal adhesive end positions and said bandage having first and second protective strips attached to the terminal adhesive surfaces of said protective strips and one of said release papers including a leg positioned in superimposed face-to-face relationship with said absorbent pad, said bandage further having an impregnated gauze sheet in superimposed face-to-face relationship with the protective strip leg in engagement with said absorbent pad comprising:

(a) positioning said impregnated bandage adjacent the wound;

(b) grasping the free ends of said protective strips and moving them to uncover said impregnated gauze sheet;

(c) applying pulling force to said free ends of the protective strips so that said impregnated gauze is exposed and then brought in engagement with the wound;

(d) applying continuing pulling force to said free ends of said protective strips so as to uncover the free adhesive portions of said backing strip and to slidably remove leg of said protective strip positioned between said absorbent pad and said impregnated gauze sheet so that said impregnated gauze sheet can contact said absorbent pad;

(e) placing said free adhesive portions of said backing strip in adhering engagement with the portion of the body adjacent the wound.

22. A method of assembling an impregnated bandage comprising:

(a) providing a backing sheet with one adhesive surface;

(b) providing an absorbent pad of sufficient size to absorb wound secretions and placing the same in engagement with the adhesive surface of said backing strip so that the backing strip has free end portions the adhesive surfaces of which can be used to attach the bandage to the wound.

(c) providing a protective strip and placing one leg of said protective strip in engagement with one of the free ends of said adhesive surfaces and another leg in face-to-face engagement with said absorbent pad;

(d) providing a gauze strip causing said strip to become impregnated with a suitable impregnant;

(e) placing said impregnated gauze sheet in face-to-face engagement with the other leg of said protective strip and placing a small portion of said impregnated gauze strip in engagement with one of said adhesive surfaces adjacent said absorbent pad;

(f) providing another protective strip and placing one leg of said protective strip in engagement with the other free adhesive surface of said backing strip.