JPS60220032A - Washing and disinfection apparatus for endoscope - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Technical Field of the Invention) The present invention relates to a cleaning and disinfecting device for an internal 7R endoscope that cleans or disinfects an endoscope.

[Technical background of the invention and its problems]

In an endoscope cleaning and disinfecting device, the endoscope is generally housed in a cleaning tank that is equipped with a liquid injection part that sprays a cleaning liquid into the interior, and a disinfectant supply part that supplies a disinfectant solution. The dirty endoscope is washed with the sprayed cleaning solution, then a disinfectant solution is supplied into the cleaning tank, the endoscope is immersed in the disinfectant solution, and the endoscope is disinfected, and then the cleaning solution is sprayed again. It is known that the endoscope is rinsed with

By the way, in such an endoscope cleaning and disinfecting device, a cover is usually provided at the opening of the cleaning tank to open and close the opening so that the cleaning liquid that scatters from inside the cleaning tank does not escape to the outside. When cleaning, droplets of cleaning solution adhere to the inner surface of the cover.

However, these droplets contain dirt that had adhered to the endoscope. For this reason, the inside surface of the cover tends to become very dirty, and if left unattended, there is a great risk that bacteria will breed inside the cover during the subsequent rinsing process. J! There is a danger that germs may adhere to the endoscope and contaminate the endoscope after being sterilized, so there is a strong need for something that can protect endoscopes from germs.

[Purpose of the invention]

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to provide an endoscope cleaning and disinfecting device that can keep the inner surface of the cover clean.

(Summary of the Invention) That is, the present invention attempts to keep the inner surface of the cover, which gets dirty during washing, always clean by providing a washing means for washing the inner surface of the cover that opens and closes the washing tank.

[Embodiments of the invention]

The present invention will be explained below based on a first embodiment shown in FIGS. 1 to 5. Figure 1 shows the entire endoscope cleaning and disinfecting device, and Figures 2 and 3 show the structure around the cleaning tank, where 1 is the main body, and 2 is the cleaning tank provided on the upper side of the main body 1. , 3 is a transparent cover pivotally supported on the upper part of the main body 1 for opening and closing the opening 2a of the washing tank 2. Further, a rotor 5 provided with rotating nozzles 4, 4 is disposed at the center of the interior of the washing tank 2, while a holder for holding the internal congratulations 116 in a wound state is provided at the inner bottom around the rotor 5. 7 is provided. Further, inside the cleaning tank 2, there are a plurality of tank tube connectors 8..., a water leakage detection water inlet 9, an in-tank disinfectant solution inlet 10, a fixed nozzle 11,
In addition to an abnormal liquid level detection switch 12 in the tank and an immersion liquid level switch 13 in the tank, a discharge hole 14 and a basket 15 for small items are provided. Furthermore, a fixing connector 16 is provided at the top of the main body 1 for setting the operating section 6b of the endoscope 6 outside the tank so that the endoscope 16, in which only the insertion section 6a can be washed, can be cleaned. On the other hand, an external tube connector 17 is provided. The rotor 5 is connected to a motor section 18a disposed at the lower stage of the washing tank 2, and the rotary nozzles 4, 4, fixed nozzle 11. IL tank inner tube connector 8... and tank outer tube connector 17...
... is connected to a disinfectant tank 18 that constitutes a cleaning solution supply section and a disinfection solution supply section, although not shown, and the cleaning solution spouted from the rotating nozzles 4, 4 and the fixed nozzles 11 and 11 is used to clean the house 116. In addition to washing or rinsing the outer surface of the tubular tube connector 8.
... (in the case of an endoscope 6 whose entire part is washable), the channel of the endoscope 6 (not shown) to the external tube connector 17 ... (in the case of an endoscope 16 where only the insertion section 6a is washable)
It is now possible to supply cleaning liquid for cleaning or rinsing and disinfectant for disinfecting.

Of course, the disinfectant tank 18 and the in-tank disinfectant inlet 1
Although not shown, it is connected to 0 through a connecting pipe,
A disinfectant solution can be supplied into the washing machine 412. Note that an air supply device (not shown) for draining water from the channel is connected to the tank inner tube connector 8 and the outer tank tube connector 17.

Further, although not shown, the discharge hole 14 of the cleaning tank 112 has a function for discharging the cleaning liquid discharged from the cleaning tank 2 to the outside of the device, and for collecting the discharged disinfectant solution into the disinfectant tank 18.
A flow path switching valve is provided that performs three switching operations, such as closing the discharge hole 14 and stopping flow from the discharge hole 14. This switching valve, the cleaning solution supply section, and the disinfection solution supply section are all connected to a control device built into the main body 1, and under the control of the control device, A cleaning process in which the endoscope 6 is sprayed with a cleaning solution and the cleaning solution is sent into the channel to remove dirt from the inside and outside of the inner and outer walls 116.The endoscope 6 is immersed in disinfectant and the disinfectant is sent into the channel for disinfection. The process of
A rinsing process to remove the disinfectant adhering to the inside and outside of the endoscope 6 is performed sequentially.

On the other hand, on the inner corner side of the cleaning tank 2 of the endoscope cleaning and disinfecting device configured as described above, a cleaning means, which is an important part of the present invention, such as a liquid spraying device 21 using water pressure, is provided. . The liquid dispersion device 21 has a blowout hole 2 around its tip, as shown in detail in FIGS. 4 and 5, for example.
A cylindrical nozzle body 22 having a diameter 2a formed therein is provided, and a rotary blade 23 is attached to a support portion 24 in an outlet hole 22a of this nozzle body 22.
As shown in FIG. 3, a disinfectant tank 18 is connected to the inlet of the nozzle body 22 via a connecting pipe 26 with a liquid feed pump 25 interposed therebetween. ing. A nozzle body 22 of this liquid spraying device 21 is disposed to protrude into the washing tank 2, and sprays disinfectant toward the entire inner surface of the cover 3 using a rotating blade 23 rotated by a water stream. Thus, the inner surface of the cover 3 can be washed using a disinfectant. The liquid pump 25 is controlled by the above-mentioned control device to operate, for example, in accordance with the sterilization process, so that the disinfection of the cover 2 is completed before the rinsing process.

In FIG. 1, reference numeral 27 denotes a main operating spring.When cleaning the endoscope 6, which is entirely washable, using the endoscope cleaning/erasing device configured in this way, for example,
First, the endoscope 6 is set on the holder 7 and housed in the washing tank 2. Next, the channel of the inner tube 1i6 is connected to the horizontal inner tube connector 8 using a connecting tube (not shown). After that, after closing the opening of the cleaning tank 2 with the cover 3, by operating the main operation panel 27, the rotating nozzles 4, 4 and the fixed nozzle 11.1 are transferred from the cleaning tank (not shown).
A cleaning liquid (water or detergent liquid) is sent toward the tank tube connectors 8 and 1. As a result, the outer surface of the endoscope 6 is connected to the rotating nozzle 4.4I'3 and the fixed nozzle 1.
1.11 was washed with washing liquid spouting out, and inside 7116
Each channel is washed with a washing liquid supplied from the tank inner tube connector 8, and the dirt adhering to the endoscope 6 is washed away. During this cleaning, droplets of dirty cleaning liquid adhere to the inner surface of the cover 3. Note that the dirty cleaning liquid is discharged to the outside through the discharge hole 14 and the switching valve. Next, when the cleaning is finished, the water inside the channel of the endoscope 6 is removed, and then the disinfection process begins.

The disinfection process is performed by pumping disinfectant from the disinfectant tank 18 into the cleaning tank 2 through the in-tank disinfectant inlet 10. While soaking the i4 mirror 6 in disinfectant,
This is done by supplying disinfectant to each channel of the endoscope 6 through... Of course, the switching valve switches the flow path so that no liquid flows out from the discharge hole portion 14. During this disinfectant injection step, the liquid feed pump 25 is activated to spray the disinfectant onto the inner surface of the cover 3 from the nozzle body 22, thereby disinfecting the entire inner surface of the cover 3 that has been contaminated in the previous cleaning step. Afterwards, once the disinfection process has been completed, the sterilization that has accumulated in the washing side 2 will be removed.
Collect i into the disinfectant tank 18, and then return it inside the same way as at the start. ! The outer surface of the mirror 6 is washed with the cleaning liquid sprayed from the rotating nozzle 4.4 and the fixed nozzle 11.11, and the inside of the endoscope 6, that is, the channel, is washed with the cleaning liquid supplied from the tubular tube connector 8... By washing with water, the inside and outside of the endoscope 6 are rinsed.

Here, it is pointed out that splashes of dirty cleaning liquid that conventionally adhered to the inner surface of the cover 3 during cleaning end up adhering to the endoscope 6 during rinsing.

However, according to this invention, the inner surface of the cover 3 is cleaned and kept clean by spraying disinfectant, so no dirty cleaning solution adheres to the inner surface of the cover 3, and even if the cover 3 is Is the attached water inside? 116, or even in the past, without contaminating the endoscope 6 with germs.
can be thoroughly cleaned and disinfected. Furthermore, by washing the inner surface of the cover 3, germs can be eliminated from the inner surface of the cover 3, so that the cover 3 can always be kept clean. Of course, it will be more effective if the inner surface of the cover 3 is cleaned not only during the disinfection process, but also during the cleaning process, and even at the beginning and end of the cleaning and disinfection process.

In addition, in the above explanation, when cleaning the cover 3, disinfectant was sprayed onto the inner surface of the cover 3 as an example, but of course, clean cleaning liquid from the cleaning liquid tank was sprayed onto the cover 3 using the liquid spraying device 21. The cover 3 may be cleaned by spraying it onto the inner surface of the cover 3.

Further, the present invention is not limited to the first embodiment described above, but also applies to the second embodiment shown in FIGS. 6 and 7, the third embodiment shown in FIG. 8, and the fourth embodiment shown in FIG. Example, 11th
The fifth embodiment shown in FIG. 12 and the sixth embodiment shown in FIG. 13 may also be used.

That is, in the second embodiment, injection nozzles 31 each having a fan-shaped injection area centered on the center of the inner surface of the cover 3 are provided on two opposing corner sides of the inside of the washing tank 2, and each injection The cover 3 is cleaned by spraying disinfectant or cleaning liquid onto the entire inner surface of the cover 3 from nozzles 31 and 31. Of course, each injection nozzle 31
．． 31 is disposed obliquely above the inner surface of the cover 3, and even if the cleaning means is constituted by such two injection nozzles 31 and 31, the same effect as in the first embodiment described above can be obtained. play. Note that FIG. 6 shows the injection nozzle 31.
FIG. 7 shows a plane showing the injection state of No. 31 along with the area around the washing tank 2, and FIG. 7 shows a side cross section thereof.

Further, in the third embodiment, the rotor 5 which is the center of the cleaning tank 2 is
A spray nozzle 33 for spraying a disinfectant or cleaning solution toward the inner surface of the cover 3 is provided at the center of the upper part of the cover 3, while the entire cover 3 is formed into a substantially spherical shape with the spray nozzle 33 in the center. The inner surface of the cover 3 is cleaned with a disinfectant solution or a cleaning solution sprayed from the cover 33, and such a cleaning means may be used.

In the fourth embodiment, a nozzle body 36 is provided, for example, in the center of the inner surface of the cover 3, and has injection holes 35 directed toward the inner surface of the cover 3. A cleaning means is configured by connecting the disinfectant to the disinfectant supply path 37 that supplies the disinfectant into the cleaning tank 2, and automatically sprays the disinfectant from the nozzle body 36 onto the entire inner surface of the cover 3 in synchronization with the injection of the disinfectant. It was designed to be attached. Note that 38 is a liquid pump for feeding the disinfectant from the disinfectant tank 19 into the washing tank 2 . Regarding this fourth embodiment, as a modification example, the nozzle body 36 and the washing tank 2 as shown in FIG. It is also conceivable that the inner surface of the cover 3 is washed by washing the inner surface of the cover 3. Of course, liquid pump 3
9 is set to operate at an arbitrary time range during the disinfection process.

In the fifth embodiment, a pipe 43 provided with a large number of comb-shaped ejection holes 42 on both sides of the back surface of the cover 3 is used as a cleaning means.
(), these pipes 4
3. For example, connect the inlet of 43 to the disinfectant tank 19 in the same manner as in the third or fourth embodiment described above, spray disinfectant onto the entire inner surface of the cover 3, and close the cover 3. It is designed to be washed, and even if you do this, the cover 3
can be kept clean. However, Fig. 11 shows the washing tank 2.
FIG. 12 shows a side cross-sectional view of the plane in which disinfectant is spouted from the spout pipes 43 and 43 along with the surroundings. Of course, the method is not limited to the one using the comb-shaped pipe 43, 43. For example, a liquid spout body having a plurality of nozzle parts provided in a tubular header is provided on both sides of the inner surface of the cover 2, and the disinfectant liquid is spouted from the nozzles. However, even if a tubular header has a large number of slits and the disinfectant is sprayed from the slits, a tubular header has long slits that span the length of the header and disinfectant is sprayed from the slits. You may also do so. Note that the cover 3 may be washed by spraying a clean washing liquid onto the inner surface of the cover 3 instead of the disinfectant, or a pipe or a header may be provided on the washing tank 2 side.

In the sixth embodiment, the cleaning means and the cover 3 are, for example, 2!
In this structure, a water channel 45 is formed inside the cover 3, and a large number of ejection ILs 46 communicating with the water channel 45 are provided on the inner wall of the cover 3 facing the inside of the washing tank 2. Further, an inflow passage 47 communicating with the water channel 45 is formed on the standing wall on the rear side of the cover 3, for example, and a rotary nozzle 4. An outflow path 49 is formed which is connected to a supply pipe 48 for supplying cleaning liquid to the inflow path 47 and outflow path 49 so that when the cover 3 is closed, the inflow path 47 and the outflow path 49 are in watertight communication with each other, and the outflow path 49 and In the above-mentioned supply, when cleaning the endoscope, the high-pressure cleaning liquid sent to the rotary nozzles 4, 4 is depressurized by the pressure regulating valve 51 and sent to the water channel 45 through the outflow path 49 and the inflow path 47. Spout hole 46...
The dust is transmitted to the inner surface of the cover 3 and is ejected so as to flow down, thereby washing away the inner surface of the cover 3 on which dirt has adhered. Even in this case, the same effects as in the first embodiment described above can be achieved. Note that a disinfectant solution may be sent to the inner surface of the cover 3 instead of the cleaning solution.

However, in FIG. 13, 52 indicates the outflow path 49 and the inflow path 4.
This is a gasket for sealing between 7 and 7.

Furthermore, in both of the above-mentioned embodiments, the inner surface of the cover is washed away using a cleaning solution or a disinfectant solution as a cleaning means.
Although a case has been described in which the cover is disinfected, the present invention is not limited thereto, and for example, a blade member or a brush member may be used as a cleaning means to clean the inner surface of the cover.

Further, FIGS. 14 and 15 show different embodiments, and FIG. 14 shows that during the rinsing process, the cleaning liquid is sprayed from a rotating nozzle 4.4 whose spray direction is set in the vertical direction. The spray from the upward rotating nozzle 4a is stopped during rinsing so as not to hit the cover 3, thereby preventing the dirty cleaning liquid adhering to the inner surface of the cover 3 from adhering to the endoscope (not shown). It is. in particular,
The rotor 5 is provided with dedicated inlet bodies 60a and 60b for the upwardly disposed rotating nozzle 4a and the downwardly disposed rotating nozzle 4b, respectively. There is a gap in the receiving part 61 that receives the rotor 5! ! 62, and a first branch space 64 inside which communicates with each of the inlet bodies 60a and 60b.
, while forming a second branch space 65, concentric branch flow passages 67, 68 connected to each of the rotating nozzles 4a, 4b are formed inside the rotor 5 and in the shaft 66 supporting the rotor 5, This is connected to the first branch space 64.
, and the second branch space 65, respectively. Furthermore, each of the inlet bodies 60a and 60b is transferred to a cleaning tank 69.
For example, a solenoid valve 71 is interposed in a connecting path 70 that is connected in parallel to the rotary nozzle 4a and communicates with the upward rotating nozzle 4a.
The piping leading to each rotating nozzle 4a, 4b is separated, and during the rinsing process, by closing the solenoid valve 71, it is possible to stop the cleaning liquid from being ejected from the upward rotating nozzle 4a. This prevents dirty water from adhering to the endoscope during rinsing. Specifically, it takes a long time to disinfect an endoscope (for example, 10 hours or one day), so large water droplets adhering to the cover 3 already fall down during disinfection. Therefore, during rinsing, unless new water droplets are applied to the cover 3, no water droplets will fall from the cover 3. Note that 72 is a liquid feed pump for supplying cleaning liquid.

On the other hand, the one shown in FIG. 15 is made of a resin that can be peeled off by drying on the entire inner surface of the cover 3 so that when the inner surface of the cover 3 becomes dirty, the dirty cover 3 can be easily cleaned. If the cover 3 becomes dirty, the cover 3 can be easily cleaned by peeling off the coating agent 80 from the cover 3 and applying coatings 1 to 80 again.

〔Effect of the invention〕

As explained above, according to the present invention, the inner surface of the cover, which gets dirty during washing, can be kept clean at all times, and the inner surface of the cover, which is the cause of dirt, can be kept clean, and the dirt attached to the cover can be removed. The endoscope can be cleaned or disinfected without contaminating the endoscope again with germs.

[Brief explanation of drawings]

1 to 5 show a first embodiment of the invention,
FIG. 1 is a perspective view showing the entire 8-screen cleaning/erasing Wj for endoscopes;
Fig. 2 is a plan view showing the washing tank and the washing means, Fig. 3 is a side sectional view thereof, Fig. 4 is a side sectional view showing the nozzle constituting the washing means, and Fig. 5 is its Fig. A plan sectional view taken along line A, FIGS. 6 and 7 show a second embodiment of the present invention, FIG. 6 is a plan view showing the cleaning means and the spraying state, and FIG. 7 is a side sectional view thereof. Figure 8 shows f1 of this invention.
9 is a perspective view showing a fourth embodiment of the present invention, FIG. 10 is a block diagram showing a modification thereof, and FIGS. 11 and 12 are perspective views showing a fourth embodiment of the present invention. 11 is a plan view showing the cleaning means and the injection state, FIG. 12 is a side sectional view thereof, FIG. 13 is a sectional view showing the sixth embodiment of the present invention, and FIG. 14 is a plan view showing the cleaning means and the injection state. is a sectional view showing another embodiment, and FIG. 15 is a sectional view showing another different embodiment. 2... Washing tank, 3... Cover, 21.31, 33° 36.43.45... Liquid spraying device, spray nozzle, nozzle body, vibrator, water channel (cleaning means). Applicant's representative Patent attorney Jun Tsuboi Figure 1 Figure 4 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10! 1 Figure 11 Figure 12 Figure 8a

Claims (1)

[Claims] A cleaning and disinfecting device for an endoscope, characterized in that it is provided with a cleaning means for cleaning the inner surface of a cover that opens and closes a cleaning tank.