Case for sterilization and sterile storage of objects

Details Case for sterilization and sterile storage of objects Case for sterilization and sterile storage of objects

1985-12-09

1988-05-24

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Apparatus for treating solid article or material with fluid...

422 36, 422298, A61L 200, A61L 218

Patent

active

047464968

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

This invention relates to medical practice, and more particularly to cases for sterilization and sterile storage of objects.


BACKGROUND OF THE INVENTION

There is known the KM-2 case for sterilization and sterile storage of the "Record" syringe and syringe needles (cf., pamphlet of the "Medexport" Foreign Trade Organization).
This known case comprises a housing with an air-tight cover accommodating holders for the syringe and needles. These objects are sterilized by immersion in an alcoholic solution preliminarily admitted to the housing.
The above case requires that the instruments be immersed in a sterilizing solution, which means that surgical instruments are not ready for immediate use, whereas with respect to electrosurgical instruments such method of sterilizing and such a case for sterile storage are absolutely inadequate.
There is also known a case for sterilization and sterile storage of objects comprising an air-tight housing, a cover plate, holders, and a partition with holes to divide the interior of the housing into two sections of which one section contains a sterilizing liquid and the other accommodates the holders (cf., e.g., U.S. Pat. No. 3,881,868, published 1975).
The above case sterilizes by vapours of the sterilizing liquid flowing through the holes in the partition to the section accommodating the holders. The case is advantageous for use when it is stationary, whereas when carrying such a case the sterilizing liquid tends to enter through the holes in the partition to the section accommodating the objects.


SUMMARY OF THE INVENTION

This invention is directed toward the provision of a case for sterilization and sterile storage of objects having means preventing a sterilizing liquid from reaching the objects when the case is handled, such as when carrying the case.
The aims of the invention are attained by that in a case for sterilization and sterile storage of objects comprising an air-tight housing with a cover plate, a partition having one or several holes dividing the interior of the housing into two sections of which one section contains a sterilizing liquid and the other accommodates holders of the objects, according to the invention, the section for the sterilizing liquid is disposed in the bottom portion of the housing, the holes of the partition are grouped in the central part thereof with each of the holes having a coaxial tube the free end of which faces the interior of this section, this section being further provided on the wall opposite to the partition in front of the holes with a spherical projection equal in size to the space occupied by the holes and the convex side of the projection faces the interior of the section for the sterilizing liquid.
Preferably, the tubes taper toward their free ends.
Alternatively, the partition has the form of a truncated cone tapering toward the interior of the section for the sterilizing liquid, the holes being grouped at the smaller base of the cone.
Advisably, the section for storing the objects is provided with another partition arranged in close proximity to the first partition and provided with holes somewhat offset relative to the holes in the firs partition.
Desirably, the case is provided with a gasket of porous moisture-absorbing material arranged on the second partition.
In view of the foregoing, the case for sterilization and sterile storage of objects embodying the present invention prevents penetration of the sterilizing liquid to the section accommodating the sterilized objects, such as electrosurgical instruments. The proposed case is simple to construct and reliable. Also, the case stores electrosurgical instruments which are at any time ready for immediate use to faciliate electrosurgery outdoors.


BRIEF DESCRIPTION OF THE DRAWINGS

The invention will now be described in greater detail with reference to various specific embodiments thereof taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a longitudinal sectional view of a case for sterilizing and sterile storage of ob

REFERENCES:
patent: 3741378 (1973-06-01), Parker
patent: 3881868 (1975-05-01), Duke
patent: 3884635 (1975-05-01), Sloan
patent: 3904102 (1975-09-01), Chu et al.
patent: 3955922 (1976-05-01), Moulthrop
patent: 4381285 (1983-04-01), Wittenberg
patent: 4544529 (1985-10-01), Hoeck

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