US3092279A - Means for preparing urinary drainage collection bottle - Google Patents

Description

S. S. STEVENS June 4, 1963 MEANS FOR PREPARING URINARY DRAINAGE COLLECTION BOTTLE Filed June 29, 1961 FIG.

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mm mT W S mm L P E H S D W F m TI 5 ATTO R N EY United States This invention relates to urinary drainage collection bottles and more particularly to means for reclaiming and using previously used intravenous solution bottles for urinary drainage collection.

Urinary collection bottles and systems are widely known and used. To be acceptable a urinary drainage system must be closed but vented, secure and sanitary with no danger of backfiow.

It is an object of my invention to provide such a system quickly and easily and at a lower cost than present systems.

It is a further object to provide means for supplying suitable bottles for such a system from previously used intravenous solution bottles.

Another object is to provide a cap for a collection bottle which may be sterilized and fitted in one operation.

Still another object is to provide a bottle assembly which may be stored after sterilization until its use hecomes necessary.

A better understanding of my invention will occur from a perusal of the following specification and claims which describe the preferred embodiment of my invention as shown in the drawing in which:

FIGURE 1 is a perspective elevational view of a urinary collection bottle as prepared by my novel means, ready for storage.

FIGURE 2 is a top plan view of the novel cap used on the bottle of FIGURE 1.

FIGURE 3 is a cross-sectional elevation view of the cap taken on line 3-3 of FIGURE 2.

FIGURE 4 is a cross-sectional elevational View of the collection bottle of FIGURE 1 in actual operation.

Viewing the drawing with greater particularity, generally depicts a prepared bottle assembly ready for service. This assembly is composed of a previously emptied intravenous solution bottle 12, a cap and a protective covering 30 retained in place by a rubber band 32. An example of the type of bottle to which I make reference is that sold under the name M-acbick. This bottle has a neck 14 suitable for tight engagement by the cap 20.

The cap construction is best shown in FIGURES 2 and 3. The basic shape of the cap 20 is selected as that best able to fit the neck 14. In the case presented here, and shown in FIGURE 2, the cap is round and contains a central circular opening 21. Bordering the opening on the interior of the cap is a circular lip 22 suitable for engaging a standard size drainage tube 34 (see FIGURE 4). Diametrically opposed on opposite sides of the central opening 21 are two vent holes 23 and 24.

The cap has a circular sidewall 25 extending downwardly from the top 28 of the cap. On the interior surface of the sidewall at its outer edge is a small bead 26 which goes completely around the interior surface of the cap.

At one point on the exterior portion of the sidewall at the outer edge is a tab 27 to facilitate grasping the cap. Preferably for ease in manufacture this tab is placed in line with the vent holes 23 and 24.

To prepare a bottle for use a clean used solution bottle such as shown by 12 is selected. The bottle is then covered by pressing the cap 20 onto the neck 14. The

ate

cap is of such a size as to loosely engage the bottle neck 14. A cover is then placed over the cap. This cover may be a square of autoclave paper or as shown in FIG- URE l at 30, a square pad gauze retained in place by a rubber band 32 fastened about the gauze and neck 14.

The complete assembly as described above is then placed in an autoclave and kept there preferably at a temperature of 250 degrees Fahrenheit for a preferred period of 30 minutes. To fulfill the requirements of my improved method it is important that the cap be made of a suitable heat shrinkable material. The material which I have found preferable is a plastic known as linear polyethylene. Since this material will soften under excessive heat it is essential that the autoclave temperature not exceed 255 degrees Fahrenheit.

With the bottle raised to the preferred temperature in the autoclave the cap will shrink-fit about the neck 14 until the small bead 26 on the sidewall 25 is in tight engagement with the neck 14. At the same time the bottle and cap will be sterilized. Upon removal from the autoclave the entire assembly may be stored until it is required for use.

To use the prepared assembly the pad 30 is removed, then the distal end of a standard drainage tube 34 is inserted through the opening 21 in the cap. FIGURE 4 shows such an assembly in operation with fluid 35 collecting in the bottle. Upon completion of the drainage, the cap 26' is removed and discarded.

Having shown and described a preferred embodiment of the present invention, by Way of example, it should be realized that structural changes could be made and other exmples given Without departing from either the spirit or scope of this invention.

What I claim is:

In combination a bottle having a neck and mouth with a cap for supporting and carrying a drainage tube, said cap including a fiat top wall positioned over the mouth of said bottle, said top wall having an annular opening formed in the center thereof, the portion of the cap defining said opening terminating in a circular lip depending from the bottom surface of said top wall, a plurality of vent holes provided in said top wall on opposite sides of said annular opening, an annular side wall formed integrally with said top wall and arranged in concentic relation with said circular lip for encompassing said neck, an annular bead formed on the inner surface of said side wall at the free end thereof for engaging the neck of said bottle, an outwardly projecting tab formed on the free end of said side wall with said tab and bead being disposed in a common plane, said cap being formed of a heat shrinkable thermoplastic material whereby said cap will shrink into firm engagement with the mouth and neck of said bottle upon the bottle and cap being heated to a temperature of approximately 255 Fahrenheit for a period of approximately thirty minutes, and said circular lip engaging said tube for retaining said tube in said cap.

References Qited in the file of this patent UNITED STATES PATENTS OTHER REFERENCES German application 1,048,481, printed Jan. 8, (K1. 59c 10).

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