IP Library Granted Patent US 8,748,689
Granted Patent B2
US 8,748,689 · App. 12/290,899 · Granted Jun 10, 2014

Device for the treatment of vaginal fungal infection

Inventors: Sten Björnberg (Spånga, SE); Jan G. Smith (Askim, SE)
Assignee: Abigo Medical AB
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Quick Facts
Patent No.
US 8,748,689
App. No.
12/290,899
Granted
Jun 10, 2014
Kind
B2
Abstract

An absorbent article, e.g. tampons, sanitary napkins, panty liners and the like, and the process for their preparation in which a hydrophobic and/or cationactive layer is attached to a conventional absorbent layer, for the binding of microorganisms, specifically for treating or alleviating or prophylactically preventing vaginal fungal infections.

Claims (21)

1. A method for binding and removing fungi associated with vaginal fungal infections, comprising: providing a device for treatment of a patient with a vaginal fungal infection, comprising: a) a core of absorbent material having a shape selected from the group consisting of a flat shape and a cylindrical shape; and b) a liquid pervious layer covering the core and forming a topsheet which is in direct contact with a user of the device, wherein the topsheet is treated to adsorb fungal yeast, and treating the patient having the vaginal fungal infection with the device, wherein treating the patient consists of contacting the patient with the topsheet which causes fungal yeast cells to be bound to the topsheet and removed from the patient, and wherein the device has no antifungal property provided by additional compounds including drugs, lactic acid bacteria or pH decreasing compounds.

2. The method of claim 1 , further comprising providing superabsorbents within or applied to the core.

3. The method of claim 1 further comprising making the absorbent core of fibers selected from the group consisting of a) natural fibers selected from the group consisting of cellulose, viscose cellulose acetate and cotton fibers; and b) synthetic fibers selected from the group consisting of polypropylene, polyester and polypropylene-polyester fibers.

4. The method of claim 3 , further comprising providing superabsorbents within or applied to the core.

5. The method of claim 1 further comprising treating the topsheet with a substance selected from the group consisting of dialkyl carbamoyl chloride and alkyl ketene dimer.

6. The method of claim 1 further comprising positively charging the topsheet.

7. The method of claim 1 further comprising treating the topsheet with fatty acid esters so that the top layer has a strong hydrophobic property.

8. The method of claim 7 further comprising treating the topsheet with a substance selected from the group consisting of dialkyl carbamoyl chloride and alkyl ketene dimer.

9. The method of claim 1 further comprising making the topsheet from a material selected from the group consisting of a) a nonwoven or textile web of synthetic fibers; b) natural fibers; and c) combinations of natural and synthetic fibers.

10. The method of claim 9 further comprising making the topsheet from a material selected from the group consisting of polyester, polyethylene, polypropylene and bicomponent fibers.

11. The device of claim 9 wherein the topsheet is make from a material selected from the group consisting of wood, cotton, rayon, and cellulose acetate.

12. The method of claim 1 , wherein the core has a flat shape, and wherein the device further comprises an impervious backsheet on the opposite side of the core as the topsheet.

13. A method for binding and removing fungi associated with vaginal fungal infections, comprising: providing a device for treatment of a patient with a vaginal fungal infection, comprising: a) a core of absorbent material having a shape selected from the group consisting of a flat shape and a cylindrical shape, and made of fibers selected from the group consisting of a) natural fibers selected from the group consisting of cellulose, viscose cellulose acetate and cotton fibers; and b) synthetic fibers selected from the group consisting of polypropylene, polyester and polypropylene-polyester fibers; and b) a liquid pervious layer covering the core and forming a topsheet which is in direct contact with a user of the device, wherein the topsheet is treated to adsorb fungal yeast with a substance selected from the group consisting of dialkyl carbamoyl chloride and alkyl ketene dimer, and treating the patient having the vaginal fungal infection with the device, wherein treating the patient consists of contacting the patient with the topsheet which causes fungal yeast cells to be bound to the topsheet and removed from the patient wherein the device has no antifungal property provided by additional compounds including drugs, lactic acid bacteria or pH decreasing compounds.

14. The method of claim 13 , further comprising providing superabsorbents within or applied to the core.

15. The method of claim 13 further comprising positively charging the topsheet.

16. The method of claim 13 further comprising making the topsheet from a material selected from the group consisting of polyester, polyethylene, polypropylene and bicomponent fibers.

17. The device of claim 13 wherein the topsheet is make from a material selected from the group consisting of wood, cotton, rayon, and cellulose acetate.

18. The method of claim 13 , further comprising providing that the core has a flat shape, and providing an impervious backsheet on the opposite side of the core as the topsheet.

19. The method of claim 18 , further comprising making the core of three layers of material.

20. The method of claim 13 , wherein the device is selected from the group consisting of intravaginal tampons, sanitary napkins, and panty liners.

21. The method of claim 13 , wherein the fungal vaginal infections are infections of Candida albicans.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 14, 2014
From: BJORNBERG, STEN; SMITH, JAN G.
To: ABIGO MEDICAL AB
Reel/Frame 032713/0716 →
Continuity (2)
Provisional Application 61001889 · Nov 5, 2007
Related Publication 20090131909A1 · May 21, 2009