Severing by tearing or breaking – Breaking or tearing apparatus – Including means to apply thermal shock to work
Patent
1987-09-17
1988-12-27
Yost, Frank T.
Severing by tearing or breaking
Breaking or tearing apparatus
Including means to apply thermal shock to work
241 99, A61J 108
Patent
active
047935383
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to an arrangement for the manual breaking of ampoules comprising a base part so arranged as to maintain in position one end of an ampoule, and projecting upwards from the base part a side support part so arranged as to provide lateral support for the ampoule. TECHNICAL BACKGROUND
Ampoules are used widely in the medical care field to contain a certain quantity of a liquid drug or similar under hygienic conditions. The ampoules consist of small glass containers which are opened by breaking the ampoule. This is usually done without any form of instrument, thereby exposing the staff to the risk of injury by cuts to the fingers caused by the sharp edges of the glass. The arrangement of devices for breaking an ampoule is previously disclosed, although these are usually complicated to use and contain moving parts.
Technical problem
The object of the present invention is to provide an arrangement for breaking ampoules which is simple to use, does not contain any moving parts, and also affords a holder for the ampoule both before and after breaking.
The solution
The aforementioned object is achieved by means of an arrangement in accordance with the present invention, which is characterized in that the supporting part exhibits two finger supporting surfaces for the fingers of a user, which finger supporting surfaces extend to either side of at least the other end of the ampoule, so that this projects partly into a space between the finger supporting surfaces, so that before the moment of breaking the other end of the ampoule projects slightly beyond the connecting line between the aforementioned finger supporting surfaces, and at the moment of breaking is introduced into the aforementioned space by the fingers of the user being squeezed together with the side supporting part and the head of the ampoule in between.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is described below in greater detail in relation to an illustrative embodiment with reference to the accompanying drawings, in which
FIG. 1 shows a side view of an arrangement in accordance with the invention,
FIG. 2 shows a view of the arrangement from above, and
FIGS. 3, 4 and 5 show the application of the arrangement.
BEST MODE OF CARRYING OUT THE INVENTION:
As will most easily be appreciated from FIGS. 1 and 2, the arrangement for the breaking of ampoules consists of a base part 1 and a side supporting part 2 projecting upwards from the base part in the form of two supporting elements 3, 4. The base part is executed as an essentially cylindrical plate with a similarly cylindrical hollow 5 having a diameter which slightly exceeds the diameter of the ampoule which is to be broken, more specifically the dimension at the lower part of the ampoule. The two supporting elements 3, 4 are executed as two bar-shaped elements which are securely attached at the bottom to the base part 1 by, for example, being executed in a single piece with the base part 1. Each of the supporting elements exhibits at the top a height which extends down below the point of breaking of the ampoule with an ampoule placed in the arrangement 1, each having a supporting part 7, 8 projecting into the space 6 between the two supporting elements. Each of these two supporting parts 7, 8 exhibits its own concave supporting surface 9, 10, which has a curve of the same shape as the shape of the ampoule, that is to say a curve in the form of the generating surface of a cylinder. Above these parts in the example illustrated the supporting elements 3, 4 exhibit a mutual distance which at least exceeds the transverse dimension, that is to say the diameter of the upper part or the head 11 of the ampoule. In the illustrated example the mutual distance is actually slightly greater than the transverse dimension or the diameter of the widest part of the ampoule.
The bar-shaped supporting elements 3, 4 exhibit finger supporting surfaces 12, 13 which, in the example illustrated, are plane and form a front surface for the entire height of the supporting elements, alth
REFERENCES:
patent: 2659253 (1953-11-01), Myrick
patent: 3450319 (1969-06-01), Ray et al.
patent: 3552083 (1971-01-01), Andersen et al.
patent: 4659024 (1987-04-01), Frunzi et al.
AB Vastsvensk Medicinteknik
Yost Frank T.
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