Antiseptic and antifermentative sanitary towels particularly nap

Details Antiseptic and antifermentative sanitary towels particularly nap Antiseptic and antifermentative sanitary towels particularly nap

1989-12-27

1994-08-09

Green, Randall L.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

A61F 1315

Patent

active

053362128

DESCRIPTION:

BRIEF SUMMARY
The invention relates to sanitary towels in the form of nappies, pants and the like to he applied to the procto-uro-genital areas, for infants, women and incontinent adults.
Sanitary towels by their very nature collect and conserve organic liquids. These liquids, being excretions from the body, tend to decompose, generate unpleasant smells, infect and irritate the delicate and sensitive parts to which sanitary towels are applied.
The U.S. Pat. No. 3,093,546 discloses a means for effectively eliminating from sanitary towels the odour caused by the menstrual cycle.
Sanitary towels comprise a central specifically absorbent part surrounded by a permeable and filtering wrapping. According to the U.S. patent that part of the wrapping that comes in contact with the menstrual liquid (first claim) is impregnated with a deodorant made from water-insoluble halogenated diphenyl methane having the following structure: ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen or chlorine. The compounds of this type include the chlorinated dihydroxy diphenyl methanes. This product is dissolved in a polyhydric alcohol possessing humectant properties and is confined to that part of the wrapping of the sanitary towel, that comes in contact with the menstrual liquid, by means of a water-soluble resin binder.
Due to the humectant properties of the hydric alcohol, the deodorant is found to be present on the surface of the water-soluble resin binder.
The deodorizing properties therefore become effective when the product comes in contact with the menstrual liquid. It is clear from the foregoing that the U.S. patent is characterized by a product confined to that part of the wraping of the sanitary towel that comes against the menstrual liquid.
This product dissolves when in contact with said menstrual liquid in which it exercises its deodorizing action. As the action of this chemical product is purely deodorant and specific to menstrual liquid, being further limited to the part of the towel encountering said liquid, the rest of the towel is left defenceless and without any antifermentative and fungicidal action.
It is actually a characteristic of the U.S. patent that the deodorant functions only when the chemical product comes in contact with the menstrual liquid and becomes a part of it without spreading to other parts of the towel. All the foregoing greatly limits the US invention both as regards its field of application (women's sanitary towels) and as regards the effect.
Subject of the invention, for which a patent is now applied, is the sanitary towel generally in its various forms of nappies, happy-pants and others, for use not only by women but also by children and incontinent adults. Such absorbing articles are impregnated with chemical preparations not only bacteriostatic and bactericidal but also fungicidal, antifermentative and generally antiseptic.
The entire towel is impregnated and therefore not only the internal fluffy part, but also the permeable and filtering wrapping enclosing it.
The treatment can be applied with advantage to the materials composing the fluff and its filtering wrapping. The chemical product used is a mixed solution of paraoxybenzoate of ethylene glycol phenyl undecyl ether, cetyltrimethylammonium chloride and distilled water.
Preferably the percentages are as follows:
The effects of the above preparation have been checked by numerous experiments.
The following are the results obtained at the "Institute of Health and Preventive Medicine" of the University of Catania on Sep. 1, 1989. 12 commercially available sanitary towels and 12 sanitary towels treated with the aforementioned chemical preparation were used.
The sanitary towels were impregnated by means of a spraying technique. A quantity equivalent to circa 1 ml of the product was distributed evenly on each sanitary towel. In order to test antibacterial activity at the outer surface of the sanitary towel, about 4 cm.sup.2 of the surface layer of each sample were soaked with bacterial suspensions of two micro-organisms:
The concentration of these suspe

REFERENCES:
patent: 4731063 (1988-03-01), Newkirk
patent: 5045322 (1991-09-01), Blank et al.
patent: 5103500 (1992-04-01), Nages et al.

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