JPS5937234Y2 - Sterile water reservoir - Google Patents

Description

[Detailed description of the invention] This invention relates to a storage tank for storing sterile water used for hand washing during surgery in hospitals, and a filter provided to introduce sterile air into the tank and an attached filter. non-return valve,
This invention relates to a sterile water storage tank that facilitates sterilization of pipes, etc.

Hand washing water used for surgeries in hospitals is required to be sterilized, but sterile water produced by sterile water production equipment is stored in a sterile water storage tank and taken out as needed. be done.

As the sterile water flows out of the storage tank, air flows into the tank from the outside, but this air must also be kept sterile.

For this reason, conventionally, a filter has been provided at the air inlet to remove bacteria from the air.

Figure 1 shows the structure of such a conventional sterile water storage tank.
A supply pipe 2 for sterile water sent from a separately provided sterile water production device is connected to the main body 1 of the storage tank via an on-off valve 3, and a pipe 2 for heating the sterile water to an appropriate temperature is provided at the bottom of the main body 1. A heater 6 is provided.

The illustrated example shows a steam heater, with a button outside the main body and an on-off valve 4.
, a steam corrugated pipe equipped with a steam trap 5.

The heater 6 can also be of an electric heating type.

Reference numeral 7 denotes a take-out pipe through which sterilized water 9 is discharged from the main body by operating an on-off valve 8, and 10 is an air inlet provided at the upper part of the main body, to which a filter 12 is attached via a check valve 11 outside the main body.

Reference numeral 13 denotes an overflow pipe for discharging sterilized water when it is excessively supplied into the main body, and a check valve 14 is attached thereto to prevent air from entering from the covered pipe 13.

With this structure, as the sterile water 9 is taken out from the take-out pipe 7 and used, air from which bacteria has been removed passes through the filter 12 and enters the main body 1, allowing the sterile water to be taken out in a circular manner. When sterilized water is supplied into the main body 1 from the supply pipe 2, the air inside the main body is discharged through the overflow pipe 13.

The filter 12 is used to remove bacteria from the air from door to door, and each time it is used, it becomes contaminated with bacteria. etc. must be frequently sterilized.

Conventionally, filters, check valves, etc. were installed outside the main body 1, so for sterilization, these were removed from the main body 1 and sterilized by boiling in a separate sterilizer.

Therefore, it is troublesome to attach and remove the filter etc. from the main body 1, and there is also a fear that the main body etc. may be contaminated due to this work, which is inconvenient.

In the present invention, a heater 6 provided in the main body 1 is used to sterilize filters and the like.

FIG. 2 shows an example of the structure of the sterilized water storage tank of the present invention, and the same parts as the conventional structure shown in FIG.

Check valve 11. A filter 12, a connecting pipe, etc. are attached to the air inlet 10 from inside the main body 1.

In the example shown in FIG. 2, a check valve 14 for the overflow pipe 13 is also provided within the main body.

Since the sterilized water storage tank of the present invention is configured as described above,
As the sterile water 9 is used, the check valve 11 is removed from the air inlet 10. The outside air from which bacteria have been removed through the filter 12 is passed through the main body 1
As with conventional storage tanks, sterilized water can be used without contaminating the inside of the main body 1.

Next, to sterilize the filter 12 and the like, sterilized water 9 is boiled by passing steam through the heater 6.

This sterilizes the filter 12, check valves 11, 14, connecting pipes, etc. inside the main body 1, so once the treatment for a predetermined period of time is finished, the steam passing through the heater 6 can be stopped and the sterilization can be completed. Processing ends.

When using other types of heaters, such as electric ones, operate in the same way.

As described above, the present invention is capable of sterilizing the filter and the like by providing the filter 12 and the like in the main body 1 by boiling sterilized water using the necessary heater for temperature adjustment. , filter 12, check valve 11, etc.
There is no need to attach and detach the parts each time, and these sterilization processes can be easily performed by simply operating the heater 6, so that the inside of the main body 1 can be maintained in a good sterile state by performing sterilization processes frequently.

[Brief explanation of drawings]

FIG. 1 is a vertical sectional view of a conventional storage tank, and FIG. 2 is a vertical sectional view illustrating the storage tank of the present invention. 1: Main body, 2: Supply pipe, 6: Heater, 7: Output pipe, 10
: Air inlet, 11: Check valve, 12: Filter, 13:
Overflow pipe.

Claims (1)

[Scope of utility model registration request] An air inlet 10 is provided at the top of the main body 1 and a heater 6 is provided at the bottom.・Check valve 11
, a sterilized water storage tank characterized in that a filter 12 is connected to an air inlet 10 of a main body 1.