Surgery – Means for introducing or removing material from body for... – Treating material applied to or removed from external...
Patent
1986-11-13
1988-04-26
Truluck, Dalton L.
Surgery
Means for introducing or removing material from body for...
Treating material applied to or removed from external...
604297, 604295, 604310, 220306, 215309, 215DIG3, 222207, A61M 3500
Patent
active
047402067
DESCRIPTION:
BRIEF SUMMARY
The present invention refers to a disposable pocket-size package for eye-rinsing liquids and comprising a bottle-like body preferably of flexible material and having a neck in which is mounted a connecting member for a liquid discharge tube and which is closed by a cap which is formed with a cupshaped eye-bowl and outwardly from the bottle-like body having a liquid sprinkle member, the eye-bowl having at least one opening for draining liquid from the bowl and a cover being adapted to close the mouth of said eye-bowl.
At certain working sites, particularly in industry, there is risk for the occurrence of mechanical or chemical eye injuries. Therefore, at such working sites equipments are mounted for carrying out a rinsing operation of the eyes in case of such injuries. Said equipments can either be a permanently installed eye sprinkle with water and sewage connected to the public networks or loose plastic containers which are filled with the rinsing liquid and distributed to places adjacent particularly dangerous working sites. Since every second after the occurrence of an injury is valuable before the rinsing of the eyes can be started it might even be advantageous to equip the personnel at such working sites with a rinsing liquid in a pocket package which also can be carried in a pocket of a garment such as a pair of overalls or the like.
Such pocket packages of rinsing liquid of the above-stated kind are previously known but have essential drawbacks. Firstly, the cover over the mouth of the eye-bowl is just snapped over the mouth and therefore exhibits poor sealing ability. Rinsing liquid which is forced into the bowl, particularly when the bottle-like body of flexible material such as plastic is subjected to unintentional compression, hence will leak out into the pocket of the garment. In order to provide for a drainage of used rinsing liquid the eye-bowl is furthermore provided with at least one drainage opening and this feature in combination with the-unsufficiently sealed cover makes it impossible to keep the package sterile even for a short time. For this reason the liquid in such known pocket packages has to be exchanged often and this is a supervision and maintenance work which is time-consuming as well as expensive.
The present invention therefore has for an object to eliminate the above-stated drawbacks and suggests a disposable pocket-size package of the afore-mentioned kind. The invention is essentially distinguished in that in order to provide for maintaining a long-time sterility of the filled container, (i) at least one liquid drainage hole is formed in the bottom of the eye-bowl, a closure means for said hole being supported from the inside of said cover, and (ii) the cover is provided with an axial flange closely surrounding the outer surface of said bowl and being tearably welded thereto at its free edge, the closure cap also being welded to the neck of the bottle-like body.
Owing to the invention it is now achieved that the filled package can be kept sterile for more than three years. Therefore no supervision and maintenance work on said pocket packages is required whatsoever. After a period of three years or even more it is thus sufficient to quite simply exchange all packages for new ones. Another advantage is that since the cover is welded to the outer surface of the eye-bowl and only can be destroyably torn away, the cover cannot be re-fitted and hence no re-use of the package why filling another liquid can take place, which would be reprehensible from a point of view as far as sterility is concerned. To this furthermore assists the fact that the closure cap of the bottle-like body is welded at the bottle neck so that also the latter will be broken into pieces when attempting to fill the package for re-use.
By way of example, the invention will be further described below with reference to the accompanying drawing, in which
FIG. 1 is a partially sectioned side view and
FIG. 2 a plan view from above of a pocket package for eye-rinsing liquid according to the invention.
The pocket pack
REFERENCES:
patent: 1692143 (1928-11-01), Strunz
patent: 2626606 (1953-01-01), Cambell
patent: 2847010 (1958-08-01), Knight
patent: 3059816 (1962-10-01), Goldstein
patent: 3910618 (1975-10-01), Massenz
Tobin Scandinavia AB
Truluck Dalton L.
Whelton Denise
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