Surgery – Means and methods for collecting body fluids or waste material – Receptacle attached to or inserted within body to receive...
Patent
1996-06-17
1998-03-17
Clarke, Robert A.
Surgery
Means and methods for collecting body fluids or waste material
Receptacle attached to or inserted within body to receive...
A61F 544
Patent
active
057280800
DESCRIPTION:
BRIEF SUMMARY
This application claims the benefit of international application PCT/JP94/01,038 which international application was filed 28, Jun. 1994.
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an artificial anal bag for containing the solid and liquid waste matter passed from the artificial anus, and more particularly to an improvement in or relating to a degassing device for permitting the discharging of gas of unpleasant odor from the bag.
2. Description of the Prior Art
There are two different types of artificial anal bags for containing the solid and liquid waste matter excreted from the artificial anus, that is, the direct application type of bag to be attached directly to a patient's body, and a two-piece type bag comprising an annular-ridged piece to be attached to the circumference of the artificial anus and a bag having a counter annular recess to permit the fitting-in of the annular-ridged piece.
As for the two-piece type of bag the bag is freely rotatable by its annular recess about the the annular ridge of the artificial anus, and therefore, the bag is permitted to take any position appropriate for the patient's posture no matter in what way they may hold their body while lying in bed or standing or walking.
Also, there are two different types of bags, that is, a closed bag (see FIG. 8) and a bottomless bag (see FIG. 9). Closed bags are disposable. In contrast, bottomless bags can be repeatedly washed and used, and are called "U-type bag".
The bags 20 shown in FIGS. 8 and 9 is made of sheet material which is not pervious to liquid and gas, and it has an opening 21 made on its rear side. The artificial anus, which is called "Stoma" (not shown), is exposed from the cut in the abdominal region of the patient to be connected to the circumference of the opening 21 of the bag 1. Before use a separable or peeling-off piece of paper is applied to the two-sided adhesive tape 22, which is applied to the opening 21 of the bag 20.
A piece of sponge 23 is made of a soft fiber material, which is capable of absorbing liquid, and permitting gas to pass therethrough. The sponge 23 is impregnated with activated charcoal. The bag 20 has small ventilating holes 24 made in a small circular area at one corner of the bag 20, in FIG. 8, or in a rectangular area at the top, center of the bag 20, as seen in FIG. 9. The sponge 23 is applied to the inside of the bag 20 by an adhesive agent so as to cover the ventilating holes 24.
As for the bottomless bag 20 of FIG. 9 it is used with its open bottom bent and pinched with a clip 30. When the bag 20 is filled with solid and liquid waste matter excreted from the artificial anus, it is removed from the patient, and then the clip 30 is removed for discharging the content. The bag 20 is washed and dried for reuse.
Before attaching such a bag 20 to a patient, the skin around the artificial anus is cleaned, and then, the separable piece of paper is peeled off from the circumference of the opening 21 of the bag 20. The bag 20 is applied to the patient with the aid of the two-sided adhesive tape 22. Thus, the bag 20 is connected to the artificial anus via its opening 21.
As the artificial anus has no means of controlling the discharging of excreta, the patient excretes without being aware of excretion, thus allowing excreta to be accumulated in the bag 20. Likewise, gas generated in the intestines is released into the bag 20 via the artificial anus to be accumulated therein. Usually the bag 20 is filled with such gas in two hours.
As the gas is accumulated in the bag 20, the inner pressure of the bag 20 increases until it leaks from the bag 20 through the ventilating holes 24. Japanese Patent Application, Publication Nos. 61-22580 and 4-60659, and Japanese Utility Model Application, Publication Nos. 60-34258 and 57-128819 proposed artificial anal bags which are designed to permit leakage of the gas without accompanying excreta while the patient is sleeping in bed, and are designed to remove the unpleasant odor from the leaking gas.
Leakage of the
REFERENCES:
patent: 2476375 (1949-07-01), Kent
patent: 4636313 (1987-01-01), Vaillancourt
patent: 5470325 (1995-11-01), Fundock
Clarke Robert A.
Suyamasaburoshoten Co., Ltd.
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