JP2011000510A - Washing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washing apparatus dispensing with separate moving of medical instruments after washing when moving them from a washing apparatus to a heating sterilizing apparatus, and allowing easy moving in a short time.SOLUTION: The washing apparatus includes: a net-like heat resistant placing plate having a brush-like heat resistant elastic body on the surface and placing washing objects; a basket-like tray 20 having a brush-like elastic body on at least lid inner face, and after containing the heat resistant placing plate placed with the washing objects, setting the lid and locking it; a rotation means 13 rotating the tray containing the heat resistant placing plate; water spraying means 31, 33, 34 washing by spraying water in the case of rotating the tray containing the heat resistant placing plate; and an air blowing means 35 blowing air to the tray after spraying the tray containing the heat resistant placing plate with the water spraying means.

Description

  The present invention relates to a cleaning apparatus, and more particularly, to a cleaning apparatus that allows a cleaned object to be easily transferred to a sterilization process in a short time.

  In hospitals, surgical instruments such as scalpels, forceps and scissors, and medical instruments such as glass instruments and anesthesia instruments are used in large quantities, and they are reused after being cleaned and sterilized. At the time of cleaning and sterilization of this medical device, blood or the like is attached to the used medical device, and it is strongly demanded from the viewpoint of preventing nosocomial infections to prevent scattering of pathogenic bacteria from the medical device. Usually, in a small-scale medical institution, used medical instruments are mostly manually washed using a brush or the like. On the other hand, in relatively large hospitals, used medical instruments are mechanically cleaned using a high-performance jet cleaning machine or ultrasonic cleaning machine in accordance with the kind of attached dirt. These washing machines are generally expensive and large.

  By the way, medical instruments are sterilized after washing. In general, a medical instrument is often set in a heat sterilization apparatus such as an autoclave and heat sterilized at a temperature of about 160 to 180 ° C.

JP 2002-355624 A

  However, in the conventional cleaning apparatus, the cleaned medical instrument is manually removed from the cleaning apparatus and set in the heat sterilization apparatus. Therefore, when the medical instrument is transferred from the cleaning apparatus to the heat sterilization apparatus, the human hand is touched. There is a problem that the medical device becomes dirty or the work of transferring the medical device takes time and is troublesome.

  The present invention has been made to solve the above-described conventional problems, and it is not necessary to move the medical device after cleaning from the cleaning device to the heat sterilization device, and it can be easily transferred in a short time. An object of the present invention is to provide a cleaning device that can perform the above.

In order to achieve this object, the invention described in claim 1 has a brush-like heat-resistant elastic body on the surface and a net-like heat-resistant placement plate (24 in FIG. 2B) on which the object to be cleaned is placed. )When,
At least a brush-like elastic body on the inner surface of the lid, and after storing the heat-resistant mounting plate on which the object to be cleaned is placed, a lid-like tray that can be locked with a lid (the flange portion 21 of FIG. 2A) )When,
Rotating means (rotation drive unit 13 in FIG. 1) for rotating the tray containing the heat-resistant mounting plate;
Water spraying means (high-pressure water supply unit 31, spraying head 33, cleaning liquid supply unit 34, etc.) for spraying and cleaning water while rotating the tray containing the heat-resistant mounting plate by the rotating unit;
Blowing means (such as the high-pressure air blow unit 35) for spraying air on the tray after spraying on the tray containing the heat-resistant mounting plate with the water spraying means;
A cleaning device (cleaning machine SK).

  Further, the invention according to claim 2 is the cleaning apparatus according to claim 1, wherein selection control means (the operation unit 52 in FIG. 4 and FIG. 5 in FIG. 5) that selects and operates either the water spraying means or the air blowing means. A flow chart).

  The invention according to claim 3 is the cleaning apparatus according to claim 1 or 2, wherein the object to be cleaned is a medical instrument.

  According to the first aspect of the present invention, the object to be cleaned is placed on the brush-like heat-resistant elastic body of the net-like heat-resistant placement plate, and the heat-resistant placement plate is at least brush-like elastic on the inner surface of the lid. The object to be cleaned is stored in a bowl-shaped tray having a body, sprayed with water while rotating the tray, and blown with air to clean and dry the object to be cleaned. There is an effect that the net-like heat-resistant mounting plate placed can be taken out from the tray and set as it is in a sterilization / disinfection device such as an autoclave. For this reason, the object to be cleaned after cleaning can be sterilized and disinfected by a sterilization / disinfection device such as an autoclave without directly touching it.

  According to the invention described in claim 2, since either the water spraying means or the air blowing means can be selected and operated by the selection control means, only cleaning or drying is selectively performed depending on the object to be cleaned. It is possible to reduce wasteful cost and working time.

  According to the third aspect of the present invention, since the object to be cleaned is a medical instrument, even in a small-scale medical institution, it is possible to eliminate the work variation by the worker and further prevent the worker from being infected.

It is sectional drawing of embodiment of this invention, Comprising: While (A) shows the washing | cleaning machine SK whole, a cleaning tray shows a horizontal state, (B) shows a cleaning tray vertical state. It is a perspective view which shows the washing | cleaning tray in the embodiment, Comprising: (A) is a collar part, (B) shows a heat resistant mounting board. It is an external appearance perspective view of the washing | cleaning apparatus in the embodiment. It is a front view of the operation part in the embodiment. It is a flowchart which shows operation | movement of the embodiment.

  Hereinafter, the present invention will be described based on the illustrated embodiments.

  As shown in FIGS. 1A and 1B, the cleaning machine SK includes a tray rotating unit 10, a cleaning tray 20, a sprinkling unit 30, and a drain tank 40.

  The tray rotating unit 10 is provided with bearings 12 a and 12 b that support support shafts 23 a and 23 b of the cleaning tray 20 described below on the left and right side surfaces of the housing 11. One support shaft 23a is driven by a rotation drive unit 13 made of a motor or the like and rotates once per minute.

  In the sprinkling unit 30, tap water is pressurized by the high-pressure water supply unit 31 and supplied to the pipe 32. Three sprinkling heads 33 a to 33 b are provided in the pipe line 32 downward, and water is sprayed from the watering heads 33 a to 33 b to the cleaning tray 20 through an opening formed in the upper part of the housing 11. .

  Further, ozone water is supplied from the cleaning liquid supply unit 34, tap water and ozone water supplied from the high-pressure water supply unit 31 are mixed, and water is sprayed from the watering heads 33a to 33b to the cleaning tray 20.

  A drainage port 11 a is formed at the bottom of the housing 11, and washed tap water or ozone water is drained from the drainage port 11 a to the drainage tank 40.

  Next, the cleaning tray 20 will be described with reference to FIGS. 2 (A) and 2 (B).

  The cleaning tray 20 includes a collar part 21, a lid part 22, and a heat-resistant placement plate 24 on which medical instruments such as tweezers and scissors are placed in the collar part.

  The eaves part 21 has a flat square box shape, and a plurality of holes 21b for water supply / drainage are formed on the side surfaces and the bottom surface of the eaves part 21 so that tap water supplied from the watering heads 33a to 33c is received. The medical instrument which passes through the hole 21b and is mounted on the heat-resistant mounting plate 4 to be described next is cleaned and drained after cleaning. Further, the above-described support shafts 23 a and 23 b are fixed to the left and right side surfaces of the flange portion 21.

  The collar portion 21 and the lid portion 22 are locked by locking means (not shown) to prevent the medical device from dropping, dropping, or misalignment.

  The lid portion 22 having a rectangular shape is made of the same material as the flange portion 21, and a large number of bridges 22a are formed. A large number of large and small triangular holes 22a are formed between the bridges 22a and 22a. A brush-like elastic support portion 22c (not shown in FIG. 2A) is formed on the entire surface of the bridge 22a, and a medical instrument on the heat-resistant mounting plate 24 described below is rotated during the rotation of the cleaning tray 20. It works to stabilize the position without disturbing it.

  The flange portion 21 and the lid portion 22 are connected to the left and right ends of the flange portion 21 and the lid portion 22 so as to be freely opened and closed by two hinges 23c and 23d.

  The heat-resistant mounting plate 24 is made of a high-heat-resistant (200 ° C. or higher) synthetic resin such as a heat-resistant fluororesin or perfluoroelastomer, and has a large number of bridges 24a and holes 24b like the lid portion 22. ing. Perfluoroelastomer is a resin that is molecularly close to a fluororesin, has excellent chemical resistance and heat resistance, and also has rubber elasticity. On the upper surface side of the bridge 24a, a brush-like heat-resistant elastic support portion 24c is formed over the entire surface. The heat resistant elastic support 24c is also formed of a high heat resistant (200 ° C. or higher) synthetic resin such as a fluororesin or perfluoroelastomer.

  Then, the heat-resistant placement plate 24 is stored in the storage portion of the collar portion 21 in a state where the medical instrument 25 that is the object to be cleaned is placed on the heat-resistant elastic support portion 24c of the heat-resistant placement plate 24. The lid portion 22 is rotated around the hinges 23c and 23d to cover the lid portion, and the collar portion 21 and the lid portion 22 are fixed by a lock portion (not shown). By this fixing, the medical instrument 25 is sandwiched between the elastic support part 22c and the heat-resistant elastic support part 24c, and the position of the medical instrument 25 may be shifted even when the cleaning tray 20 is rotated inside the tray rotating part 10. Not to be held.

  The cleaning machine SK is accommodated in the cleaning device SJ shown in FIG.

  The cleaning device SJ includes a first cleaning machine SK1 disposed in the lower part, a second cleaning machine SK2 placed on the upper part of the first cleaning machine SK1, the first cleaning machine SK1 and the second cleaning machine. And a dedicated moving stand SK3 with casters 54 on which the machine SK2 is movably mounted. The cleaning machine SK (FIGS. 1 and 2) of the present embodiment is accommodated in the first cleaning machine SK1. The first washer SK1 and the second washer SK2 can be used separately from each other, and the first washer SK1 can also be used as a table-type instrument washer. The second cleaning machine SK2 has a built-in cleaning machine for cleaning a medical instrument having a through-hole inside an ophthalmic handpiece and can be used as a desktop handpiece cleaning machine. However, it is not detailed here. Reference numeral 53 denotes a foot switch used in the second cleaning machine SK2, but this is not described in detail in this specification.

  As shown in FIG. 3 and FIG. 4, the first washer SK1 is provided with a door 51 that opens and closes to the left and right on the front surface of a rectangular parallelepiped housing 50, and the heat resistance in which the medical instrument 25 is placed by opening the door 51. Withdrawing / inserting into / from the flange portion 21 that houses the mounting plate 24 is performed.

  Above the door 51, an operation unit (panel switch) 52 for operating the first cleaning machine SK1 is disposed. As shown in FIG. 4, the operation unit 52 includes a power switch 52a of the first cleaning machine SK1, a fully automatic switch 52b for setting both cleaning and drying, and a cleaning single switch 52c for setting only cleaning. And a single drying switch 52d for setting only drying.

  Next, the operation of the first cleaning machine SK1 (cleaning machine SK) will be described with reference to the flowchart of FIG. This operation is a case where both cleaning and drying are performed fully automatically.

  First, the medical instrument 25 that is the object to be cleaned is placed on the flange portion 21 of the cleaning tray 10 in a state of being placed on the heat-resistant mounting plate 24 (step S1), and the cleaning tray 10 is set in the cleaning machine SK (step S1). Step S2).

  Next, when the power switch 52a is set to ON (step S3) and the fully automatic switch 52b is set to ON (step S4), the cleaning liquid is supplied from the cleaning liquid supply unit 34 under the control of a control unit (not shown). In the state of the mixed water mixed with the tap water supplied from the high-pressure water supply part 31, it sprays on the washing | cleaning tray 10 rotating only for 1 minute (step S5). By this spraying, the cleaning liquid is sufficiently applied to the medical instrument 25 inside the cleaning tray 10.

  Next, high-pressure mist-like tap water is sprayed from the spray heads 33a to 33c onto the rotating cleaning tray 10 for 1 minute, and the cleaning tray 20 and the medical instrument 25 are cleaned (step S6).

  Next, the operation of the high-pressure water supply unit 31 for tap water is switched to the operation of the high-pressure air blow unit 35, and moisture attached to the cleaning tray 10 and the medical instrument 25 inside thereof is blown off by the high-pressure air blow. This water blowing is performed only for 1 minute and 1 rotation (step S7). Thereafter, the cleaning tray 10 is removed from the cleaning machine SK (step S8), and the cleaned medical instrument 25 is removed from the cleaning tray 10 together with the heat-resistant mounting plate 24 (step S9). As a result, a series of “cleaning” and “drying” fully automatic processes is completed, and the medical instrument 25 taken out together with the heat-resistant mounting plate 24 can be set in a sterilization / disinfection device such as an autoclave as it is.

  In the case of “cleaning only”, if the cleaning single switch 52c is turned ON instead of the fully automatic switch 52b in step S4, steps S5 and S6 are performed, but “high pressure air blow” in step S7 is not performed. Thereafter, steps S8 and S9 are performed, and the “cleaning only” step is completed.

  In the case of “drying only”, if the drying single switch 52d is turned ON in step S4 instead of the fully automatic switch 52b, steps S5 and S6 are omitted, and the steps S7 to S9 are performed. The “drying only” process ends.

The present invention can be widely used not only for medical instruments but also for biological instruments, pharmaceutical instruments, semiconductor instruments and the like as objects to be cleaned.

SJ cleaning device SK cleaning machine SK1 first cleaning machine SK2 second cleaning machine SK3 dedicated moving stand 10 tray rotating part 20 cleaning tray 21 flange part 21b hole 22 lid part 22a bridge 22b hole 22c elastic support part 23a, 23b 23c, 23d Hinge 24 Heat resistant mounting plate 24a Bridge 24b Hole 24c Heat resistant elastic support part 25 Medical instrument 31 High pressure water supply part 33a-33c Spray head 34 Cleaning liquid supply part

Claims (3)

A net-like heat-resistant mounting plate having a brush-like heat-resistant elastic body on the surface, on which the object to be cleaned is mounted,
At least a brush-like elastic body on the inner surface of the lid, and after storing the heat-resistant mounting plate on which the object to be cleaned is placed, a bowl-shaped tray that can be locked with a lid,
Rotating means for rotating the tray containing the heat-resistant mounting plate;
Water spraying means for spraying and washing water while rotating the tray containing the heat-resistant mounting plate by the rotating means;
Blowing means for spraying air on the tray after spraying the tray containing the heat-resistant mounting plate with the water spraying means;
A cleaning apparatus comprising: The cleaning device according to claim 1,
A cleaning apparatus comprising selection control means for selecting and operating either the water spraying means or the air blowing means. The cleaning apparatus according to claim 1 or 2,
The cleaning apparatus, wherein the object to be cleaned is a medical instrument.

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