KR100598417B1 - Apparatus for Sterilization and Cleaning of Medical Instruments - Google Patents

Abstract

The present invention relates to a sterilizing and cleaning device which eliminates the concern about infection of a person handling the sterilizing and cleaning process of a medical device and enables perfect sterilizing and cleaning. Sterilizing and cleaning apparatus of the present invention is a sterilization cleaning tank for receiving the washing water and the medical device to be cleaned supplied from the outside (20); An ultrasonic vibrator (21a) installed on the bottom wall of the sterilization cleaning tank (20) to irradiate the medical instrument with ultrasonic waves; A rotationally driven pulsator (21b) installed on the bottom wall of the sterilization cleaning tank (20) to impart rotational water to the washing water contained in the sterilization cleaning tank (20); A bubble generator (21c) installed on the bottom wall of the sterilization cleaning tank (20) to impart air bubbles to the washing water contained in the sterilization cleaning tank (20); Sheathed heater (22a) installed on one side wall of the sterilization cleaning tank 20 to heat the washing water contained in the sterilization cleaning tank (20); A water temperature sensor 22b which senses the water temperature of the washing water heated by the sheath heater 22a and releases the energization of the sheath heater when the water temperature of the washing water reaches a predetermined temperature; A level control sensor 22c for detecting the level of the washing water contained in the sterilizing cleaning tank 20 and stopping the supply of the washing water when the level of the washing water reaches a predetermined suitable level; An ultraviolet (UV) lamp 23a for irradiating ultraviolet light for sterilization to the medical apparatus cleaned with the washing water; An ozone (O ₃ ) generator (23b) for injecting ozone for sterilization into the medical apparatus cleaned with the washing water; A drying fan apparatus 23c for blowing wind for drying the medical apparatus cleaned by the washing water; A detergent storage tank 24 for supplying a detergent for improving cleaning power of a medical device to the washing water contained in the sterilization cleaning tank 20 through a valve 24a; A wastewater drain pipe 25 having a wastewater valve 25a for discharging the contaminated wastewater to the outside of the sterilization cleaning tank 20 after the cleaning operation of the medical apparatus is finished; And the ultrasonic vibrator 21a, the pulsator 21b, the bubble generator 21c, the sheath heater 22a, the water temperature sensor 22b, the water level control sensor 22c, the ultraviolet (UV) lamp 23a, And a control means 30 for controlling the operation state of the ozone (O ₃ ) generating device 23b, the drying fan device 23c, the cleaning agent supply valve 24a, and the wastewater valve 25a.

Description

Apparatus for Sterilization and Cleaning of Medical Instruments             

1 is an external view of a medical device sterilizing and cleaning apparatus according to the present invention,

2 is an overall configuration diagram of a medical device sterilizing and cleaning apparatus according to the present invention.

<Explanation of symbols for the main parts of the drawings>

(1) Sterilizing Cleaner Main Unit (1a) Door

(1b) handle (2) control panel

(2a) Main switch (2b) Reset switch

(2c) Sterilization lamps (2d) Temperature display means

(2e) Operation lamp (2f) Earth leakage breaker

(3) freezer (3a) handle

(3b) Door (10) Water Purifier

(11) source of raw water (12) pressurized pump

(13a) pretreatment filter (13b) carbon filter

(13c) Post Treatment Filter (13d) Membrane Filter

(13e) DI filter (14) Water storage tank

(15) Water supply pipe (15a) Water cock

(15b) Clean water supply valve (15c) Clean water discharge port

(20) sterilizing bath (21a) ultrasonic vibrator

(21b) Pulsator (21c) Bubble Generator

(22a) Sheath heater (22b) Water temperature sensor

(22c) Water level sensor (23a) UV lamp

(23b) Ozone (O ₃ ) Generator (23c) Drying Fan

23d water vapor outlet 23e fixed brush

(23f) Detachable Brush (24) Detergent Storage Tank

(25) Wastewater valve pipe (25a) Wastewater valve

(25b) Waste water purification device (30) Control means

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic sterilizing and cleaning apparatus for a medical instrument in which medical instruments such as forceps, scalpels, needles and the like are deposited in washing water, and cleaned and sterilized by ultrasonic vibration and ozone injection.

Blood or living tissue is attached to various medical instruments such as medical instruments or scalpels after surgery or treatment. Among these attachments, infectious pathogens are likely latent. Therefore, in order to prevent secondary infection by infectious pathogens, sterilization and cleaning must be performed before reuse of medical tools.

According to the conventional method, this type of ultrasonic sterilization cleaning involves depositing precious metals, dentures, contact lenses, eyeglasses, and the like in the washing water stored in the washing tank, and ultrasonically vibrating the article by an ultrasonic vibrator installed in the washing tank or the washing water. There is a problem in that the contaminant adhering to the article is separated and washed, and the effect of ultrasonic vibration is only a cleaning effect, and there is a problem that sterilization cannot be performed.

As another conventional sterilization cleaning treatment, the following operations are generally performed. In the presence of soap, the pathogens of the object to be cleaned are sterilized by dropping the adherend of the object to be cleaned and thoroughly washing with clean water, and then immersing it in a disinfectant solution or by holding it in the autoclave for a predetermined time. However, there is a problem that the treatment takes considerable labor and time to avoid the spread of infection or infectious pathogens during the operation to the handler of the treatment, and in the case of handling sharp and pointed medical instruments, the hands of the processor may be stabbed or wounded. In case of wearing, there was a problem that the concern about external infection is very large.

In view of the above problems, the present inventors have conducted a long-term review, and have developed a sterilizing and cleaning device capable of eliminating the concern of infection of a person who handles sterilizing and cleaning treatment of a medical device and enabling perfect sterilizing and cleaning.

It is another object of the present invention to provide an ultrasonic sterilization cleaning apparatus that exhibits a function of a humidifier for controlling indoor humidity when not used as a cleaning apparatus.

It is still another object of the present invention to provide an ultrasonic sterilization washing apparatus which enables the purified water supplied to the washing tank to be used for drinking water, experimental water, and other uses.

In order to solve the above problems, the present invention seeks the following technical means.

Sterilizing and cleaning apparatus for a medical device of the present invention is a sterilization cleaning tank for receiving the cleaning water and the medical device to be cleaned supplied from the outside; An ultrasonic vibrator installed on the bottom wall of the sterilization cleaning tank to irradiate the medical instrument with ultrasonic waves; A rotationally driven pulsator installed on the bottom wall of the sterilization cleaning tank to impart rotational water to the washing water contained in the sterilization cleaning tank; A bubble generating device installed on a bottom wall of the sterilization cleaning tank to impart air bubbles to the washing water contained in the sterilization cleaning tank; A sheath heater installed on one side wall of the sterilization cleaning tank to heat the washing water contained in the sterilization cleaning tank; A water temperature sensor for sensing the water temperature of the washing water heated by the sheath heater and releasing the energization to the sheath heater when the water temperature of the washing water reaches a predetermined temperature; A level control sensor which senses the level of the washing water contained in the sterilization cleaning tank and stops the supply of the washing water when the level of the washing water reaches a predetermined suitable level; An ultraviolet (UV) lamp for irradiating ultraviolet light for sterilization to the medical apparatus cleaned with the washing water; An ozone (O ₃ ) generator for injecting ozone for sterilization into medical instruments cleaned by the washing water; A drying fan apparatus for blowing wind for drying the medical apparatus cleaned by the washing water; A detergent storage tank for supplying a detergent through a valve to the cleaning water contained in the sterilization cleaning tank to improve the cleaning power of the medical apparatus; A wastewater drainage pipe having a wastewater valve for discharging the contaminated wastewater to the outside of the sterilization cleaning tank after the cleaning operation of the medical device is finished; And operation of the ultrasonic vibrator, pulsator, bubble generator, sheath heater, water temperature sensor, water level control sensor, ultraviolet lamp, ozone generator, drying fan device, cleaning agent supply valve, waste water valve And control means for controlling the state.

In the sterilizing and washing apparatus of the present invention, the washing water supplied to the sterilizing and washing tank is purified water through a water purifying apparatus.

Sterilization and cleaning device of the medical device of the present invention, the water purification device is a pressure pump for applying pressure to the raw water supplied from the raw water supply source; Filter means including a pre-treatment filter, a carbon filter, a post-treatment filter, a membrane filter, and a DI filter for removing foreign matters and the like from the pressurized water pressurized by the pressure pump; A purified water storage tank having preheating means for storing purified water obtained through said filter means and heating said purified water; And a purified water supply pipe for supplying purified water stored in the purified water storage tank to a sterilization cleaning tank through a purified water supply valve and a purified water discharge port.

The sterilization cleaning apparatus of the present invention is a fixed brush fixed to an upper wall of the sterilization cleaning tank or a detachable brush accommodated in the sterilization cleaning tank together with the medical device to apply cleaning power to the medical equipment contained in the sterilization cleaning tank to improve cleaning power. It characterized in that it further comprises.

Sterilizing and cleaning device of the medical device of the present invention is characterized in that it further comprises a waste water purification device having a filter for purifying the waste water discharged through the waste water valve pipe.

In addition, the sterilization cleaning apparatus of the medical device of the present invention is characterized in that it further comprises a water cock installed on the outer wall of the sterilization cleaning tank installed to discharge the purified water stored in the purified water storage tank to the outside of the sterilization cleaning tank. .

Sterilizing and cleaning apparatus of the medical device of the present invention is characterized in that it further comprises a steam discharge port for discharging the steam generated during the sterilization cleaning operation of the medical device to the outside of the sterilization cleaning tank.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention. This embodiment is only to aid the understanding of the present invention is not limited or limited to the scope of the present invention will be apparent to those skilled in the art having ordinary skill in the art.

1 is an external view of a medical device sterilizing and cleaning apparatus according to the present invention, wherein reference numeral 1 in the drawing denotes a body of the sterilizing and cleaning apparatus. On the upper surface of the sterilizing and cleaning device main body 1, a door 1a is provided to allow the medical device to be sterilized into and out of the sterilizing and cleaning tank 20 to be described later. The door 1a is preferably formed of a heat resistant and non-toxic plastic injection molding. In addition, the door (1a) is preferably formed of a plastic injection molded material of the transparent material in order to be able to visually observe the sterilization cleaning conditions from the outside. Reference numeral 1b is a handle of the door 1a.

1, the main switch 2a, the reset switch 2b, the sterilization lamp 2c, the temperature display means 2d, the operation lamp 2e, A control panel 2 including an electric leakage prevention switch 2f for preventing an electric shock is provided, and one side of the control panel 2 freezes the medical device in which the sterilization and cleaning work taken out from the sterilization cleaning tank 20 described later is completed. A door 3b for entering and exiting the freezer 3 to be stored is provided. Reference numeral 3a is a handle of the door 3b. As the cooling means for the freezer 3, there may be mentioned means for using a common refrigerant or cooling means for using a semiconductor.

2 is an overall configuration diagram of a medical device sterilization cleaning apparatus according to the present invention, as shown in the medical device sterilization cleaning apparatus of the present invention is largely purified water device 10, sterilization cleaning tank 20, and the control means 30 )

The water purifier 10 is provided by a pressure pump 12 for applying pressure to the raw water supplied from the raw water supply source 11 shown in the lower left of the figure to the filter 13 and the pressure pump 12. A filter including a pretreatment filter 13a, a carbon filter 13b, a posttreatment filter 13c, a membrane filter 13d, and a DI filter 13e for removing foreign matters from pressurized pressurized water to obtain purified water. The purified water storage tank 14 provided with the means 13, the preheating means which stores the purified water obtained through the said filter means 13, and heats this purified water, and the purified water stored in the said purified water storage tank 14 It is provided with a purified water supply pipe 15 for supplying the sterilization cleaning tank 20 through the purified water supply valve 15b and the purified water discharge port 15c. The filter means 13 is not limited to the filter means described above, and any filter that can be employed in the water purifier field such as a hollow fiber filter, a Kidney filter, an ion exchange resin, a ceramic filter, and the like can be used.

In addition, a water coke 15a for discharging the purified water stored in the purified water storage tank 14 to the outside of the sterilizing cleaning tank 20 is installed on the outer wall of the sterilizing cleaning tank 20. Therefore, the user can take out the purified water from the water purifying device 10 as needed and use it for drinking or experiment.

An ultrasonic vibrator 21a for irradiating ultrasonic waves to the medical device on the bottom wall of the sterilization cleaning tank 20 and a motor (not shown) to impart rotational water to the washing water contained in the sterilization cleaning tank 20. A pulsator 21b that is rotationally driven and a bubble generator 21c for imparting air bubbles to the washing water contained in the sterilization cleaning tank 20 are provided.

The side wall of the sterilization cleaning tank 20 has a sheath heater 22a for heating the washing water contained in the sterilization cleaning tank 20 and the water temperature of the washing water heated by the sheath heater 22a. When the water temperature of the washing water reaches a predetermined temperature, the water temperature sensor 22b for releasing the energization of the sheath heater and the level of the washing water contained in the sterilization cleaning tank 20 are detected. When the water level of the washing water reaches a suitable level predetermined according to the quantity of the medical device to be sterilized, the water level control sensor 22c is provided to stop the supply of the washing water.

On the upper side of the sterilization cleaning tank 20, an ultraviolet (UV) lamp 23a for irradiating sterilizing ultraviolet rays to the medical instrument cleaned with the washing water, and ozone for sterilization is applied to the medical instrument cleaned with the washing water. Injecting ozone (O ₃ ) generator 23b, a drying fan apparatus 23c for blowing air for drying the medical instrument cleaned by the washing water, and a medical instrument housed in the sterilization cleaning tank 20. A fixed brush 23e is provided for applying friction to improve cleaning power. In another embodiment of the present invention, the fixed brush 23e is accommodated in the sterilizing and washing tank 20 together with the medical device, and the detachable brush 23f can be improved by the friction and collision with the medical device. Can also be replaced with In addition, the upper surface of the sterilization cleaning tank 20 is provided with a steam discharge port 23d for discharging the steam generated during the sterilization cleaning operation of the medical device to the outside of the sterilization cleaning tank 20. The discharge port 23d serves as a humidification discharge outlet when the sterilizing and cleaning tank 20 is used as a humidifier for controlling indoor humidity.

On the upper side of the sterilization cleaning tank 20 is provided with a detergent storage tank 24 for supplying a cleaning agent for improving the cleaning power of the medical device through the valve 24a in the washing water contained in the sterilization cleaning tank 20, A wastewater drainage pipe 25 having a wastewater valve 25a for discharging the contaminated wastewater to the outside of the sterilization cleaning tank 20 after the cleaning operation of the medical apparatus is disposed below the sterilization cleaning tank 20. It is installed. On the downstream side of the wastewater valve 25a, a wastewater purification apparatus 25b including a filter (for example, a nonwoven fabric, a sediment filter, a carbon filter, etc.) for purifying the wastewater is provided.

In FIG. 2, reference numeral 30 denotes the ultrasonic vibrator 21a, the pulsator 21b, the bubble generator 21c, the sheath heater 22a, the water temperature sensor 22b, and the water level control sensor 22c. Control means for controlling the operating conditions of the ultraviolet (UV) lamp 23a, the ozone (O ₃ ) generator 23b, the drying fan apparatus 23c, the cleaning agent supply valve 24a, and the wastewater valve 25a. Indicates.

Hereinafter, the operation of one embodiment of the present invention described above will be described in detail.

First, the door 1a installed on the upper surface of the sterilization cleaner main body 1 shown in FIG. 1 is opened, the medical equipment to be sterilized is charged into the sterilization cleaning tank 20, and the door 1a is closed. The power is turned on through the main switch 2a provided in the control panel 2 on the front of the main body 1. Accordingly, in the sterilization cleaning tank 20 accommodated in the sterilization cleaning apparatus main body 1, the hot water purified by the water purifying device 10 and preheated in the water purification storage tank 14 is supplied through the purified water supply pipe 15. When the water level of the washing water reaches a predetermined level according to the quantity of the medical apparatus to be cleaned by the water level control sensor 22c, the control means 30 closes the purified water supply valve 15c to stop the supply of purified water.

Subsequently, ultrasonic waves are irradiated to the medical apparatus from the ultrasonic vibrator 21a provided on the bottom wall of the sterilization cleaning tank 20, and the rotating water is applied to the washing water by a pulsator 21b, and the bubble generator Air bubbles are applied by (21c), and the cleaning ability of the medical device can be doubled by their combined cleaning effect. In addition, the medical device accommodated in the sterilization cleaning tank 20 by the rotating water generated by the pulsator (21) (b) is rotated along the water flow, wherein the medical device is a sterilization cleaning tank (20) The washing effect is further maximized by colliding with and rubbing against the detachable brush 23f accommodated in the sterilizing cleaning tank 20 together with the brush 23e or the medical apparatus installed on the upper side of the slit. The cleaning effect is further improved by heating the washing water to a temperature of 100 ° C. by a sheath heater 22a provided on the side wall of the sterilizing cleaning tank 20. In addition, by cleaning the cleaning agent from the detergent storage tank 24 through the valve 24a into the sterilization cleaning tank 20 it is possible to chemically clean the medical device.

When the cleaning by the washing water as described above is finished, the drain valve 25a of the wastewater drainage pipe 25 is opened by the control means 30 so that the contaminated wastewater is discharged through the wastewater purification apparatus 25b and the sewer 26. It is discharged to the outside of the sterilization cleaning tank (20).

The cleaning operation by the cleaning water as described above may be performed two or more times depending on the degree of contamination of the medical device to be cleaned.

Once the cleaning operation by the washing water is finished, the air is blown from the drying fan apparatus 23c installed on the upper side of the sterilization cleaning tank 20 to dry the medical apparatus, and then the ultraviolet (UV) lamp 23a and The ozone (O ₃ ) generator (23b) is used to sterilize dry medical instruments. After sterilization is completed, the medical device is stored in the freezer (3) shown in FIG. 1 or used directly in a medical procedure.

Sterilizing and cleaning device of the medical device of the present invention has a combined sterilization and cleaning effect of the ultrasonic vibrator, pulsator, bubble generator, sheath heater, ultraviolet (UV) lamp, ozone (O ₃ ) generator, etc. As a result, the sterilizing and cleaning effect of the medical device can be improved. In addition, the present invention can purify the washing water supplied to the sterilization cleaning tank is improved sterilization cleaning effect of the medical device. In addition, by employing a fixed brush or a detachable brush in the sterilization cleaning apparatus of the present invention, friction force can be applied to the medical apparatus accommodated in the sterilization cleaning tank, thereby improving the cleaning power of the medical apparatus. In addition, in the present invention, the wastewater discharged by introducing the wastewater valve tube can be purified by the wastewater purification apparatus, thereby preventing environmental pollution caused by sterilization and cleaning of the medical device. The present invention can take the purified water of the water purification device with drinking water or other experimental water through a water cock installed on the outer wall of the sterilization cleaning tank, and discharges water vapor generated during the sterilization cleaning operation of the medical device to the outside of the sterilization cleaning tank By providing a water vapor discharge port there is a humidifier function for controlling the indoor humidity in the sterilization cleaning tank.

Claims (7)

A sterilization cleaning apparatus for medical devices, comprising: a sterilization cleaning tank (20) for receiving cleaning water supplied from the outside and a medical device to be cleaned; An ultrasonic vibrator (21a) installed on the bottom wall of the sterilization cleaning tank (20) to irradiate the medical instrument with ultrasonic waves; A rotationally driven pulsator (21b) installed on the bottom wall of the sterilization cleaning tank (20) to impart rotational water to the washing water contained in the sterilization cleaning tank (20); Bubble generator 21c installed on the bottom wall of the sterilization cleaning tank 20 to impart air bubbles to the washing water contained in the sterilization cleaning tank 20; heating the washing water contained in the sterilization cleaning tank 20 Sheath heater (22a) installed on one side wall of the sterilization cleaning tank (20); A water temperature sensor for sensing the water temperature of the washing water heated by the sheath heater (22a) and releasing the energization of the sheath heater when the water temperature of the washing water reaches a predetermined temperature ( 22b); A level control sensor 22c for detecting the level of the washing water contained in the sterilizing cleaning tank 20 and stopping the supply of the washing water when the level of the washing water reaches a predetermined suitable level; An ultraviolet (UV) lamp 23a for irradiating ultraviolet light for sterilization to the medical apparatus cleaned with the washing water; An ozone (O ₃ ) generator (23b) for injecting ozone for sterilization into the medical apparatus cleaned with the washing water; A drying fan apparatus 23c for blowing wind for drying the medical apparatus cleaned by the washing water; A detergent storage tank 24 for supplying a detergent for improving cleaning power of a medical device to the washing water contained in the sterilization cleaning tank 20 through a valve 24a; A wastewater drain pipe 25 having a wastewater valve 25a for discharging the contaminated wastewater to the outside of the sterilization cleaning tank 20 after the cleaning operation of the medical apparatus is finished; And the ultrasonic vibrator 21a, a pulsator 21b, a bubble generator 21c, a sheath heater 22a, a water temperature sensor 22b, a water level control sensor 22c, and an ultraviolet ray UV) lamp 23a, ozone (O ₃ ) generator 23b, drying fan unit 23c, And a control means (30) for controlling the operation state of the cleaning agent supply valve (24a) and the wastewater valve (25a). The method according to claim 1, The washing water supplied to the sterilization cleaning tank 20 is a sterilizing and cleaning device for a medical instrument, characterized in that the purified water purified through the water purifying device (10). The method according to claim 2, The water purifying device 10 includes a pressure pump 12 for applying pressure to the raw water supplied from the raw water supply source 11; Preheating for storing the purified water obtained by the filter means 13 and the filter means 13 for removing foreign matters and the like from the pressurized water pressurized by the pressurized pump 12 and the filter means 13 and heating the purified water. A water storage tank 14 having means; And a purified water supply pipe (15) for supplying purified water stored in the purified water storage tank (14) to the sterilization cleaning tank (20) through a purified water supply valve (15b) and a purified water discharge port (15c). Sterilizing and cleaning equipment. The method according to claim 1,  In the sterilization cleaning tank 20 together with the fixed brush 23e fixed to the upper wall of the sterilization cleaning tank 20 or the medical equipment to apply friction to the medical equipment contained in the sterilization cleaning tank 20 to improve cleaning power. Sterilizing and cleaning device for medical instruments, characterized in that it further comprises a detachable brush (23f) accommodated. The method according to claim 1,  A sterilization cleaning apparatus for medical instruments, further comprising a wastewater purification device (25b) having a filter for purifying the wastewater discharged through the wastewater valve pipe (25). The method of claim 3, wherein It is characterized in that it further comprises a water coke (15a) provided on the outer wall of the sterilization cleaning tank 20 installed to discharge the purified water stored in the purified water storage tank 14 to the outside of the sterilization cleaning tank (20). Disinfection and cleaning device for medical equipment. The method according to claim 1, And a steam discharge port (23d) for discharging steam generated during the sterilization cleaning operation of the medical apparatus to the outside of the sterilization cleaning tank (20).

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