GB2561767A

GB2561767A - Ultrasonic washing unit for hard endoscope

Info

Publication number: GB2561767A
Application number: GB1811334.0A
Authority: GB
Inventors: Chang Liu Yong; Chang Zhang Jing; Chang Zhang Cong; Chang Wang Pengcheng; Chang Zeng Fanghua; Chang Li Zhayun
Original assignee: Laoken Medical Technology Co Ltd
Current assignee: Laoken Medical Technology Co Ltd
Priority date: 2016-01-12
Filing date: 2016-04-12
Publication date: 2018-10-24
Anticipated expiration: 2036-04-12
Also published as: CN105642610A; WO2017121045A1; GB2561767B; GB201811334D0; DE112016006205T5; CN105642610B

Abstract

Disclosed is an ultrasonic washing unit for a hard endoscope. The ultrasonic washing unit comprises a housing, a washing sink (2), an ultrasonic system, a liquid adding system, a suction system, a control system, an automatic water feeding and draining system, and a washing basket (8). The housing comprises a left housing (101), a right housing (102), a left panel (103), a right panel (104), a base plate (105) and a support (106). A sink body of the washing sink (2) is installed on the right housing (102) and the bottom of the sink body of the washing sink (2) is inclined by a pre-set angle. The washing basket (8) is placed in the washing sink (2). The ultrasonic washing unit for a hard endoscope mainly improves the existing washing manner, so that hard endoscope-type cavity instruments are washed by machine instead of by hand, greatly saving manpower and material resources, and improving the washing efficiency of the instruments.

Description

(71) Applicant(s):

Laoken Medical Technology Co. Ltd 211 Gangtong North 3rd Road,

North Modern Industrial Area, Pixian, Chengdu 611730, Sichuan, China (72) Inventor(s):

Yong Chang Liu Jing Chang Zhang Cong Chang Zhang Pengcheng Chang Wang Fanghua Chang Zeng Zhayun Chang Li (74) Agent and/or Address for Service:

CocreatelP

Eggenfeldenerstr.56, Munich 81929, Germany (51) INT CL:

B08B3/12 (2006.01) (56) Documents Cited:

CN 105188512 A US 2009/0241987 A1 CN 205362095 U CN 204147303 U CN 103796572 A CN 101664560 A CN 201371145 Y (58) Field of Search:

INT CLA61B, A61L, B08B (54) Title of the Invention: Ultrasonic washing unit for hard endoscope Abstract Title: Ultrasonic washing unit for hard endoscope (57) Disclosed is an ultrasonic washing unit for a hard endoscope. The ultrasonic washing unit comprises a housing, a washing sink (2), an ultrasonic system, a liquid adding system, a suction system, a control system, an automatic water feeding and draining system, and a washing basket (8). The housing comprises a left housing (101), a right housing (102), a left panel (103), a right panel (104), a base plate (105) and a support (106). A sink body of the washing sink (2) is installed on the right housing (102) and the bottom of the sink body of the washing sink (2) is inclined by a pre-set angle. The washing basket (8) is placed in the washing sink (2). The ultrasonic washing unit for a hard endoscope mainly improves the existing washing manner, so that hard endoscope-type cavity instruments are washed by machine instead of by hand, greatly saving manpower and material resources, and improving the washing efficiency of the instruments.

601

ffi 2

This international application has entered the national phase early.

1/3

FIG.2

2/3

402 504

FIG.4

3/3

FIG.6

Description

ULTRASONIC CLEANING MACHINE FOR HARD TYPE ENDOSCOPE

Technical field

The present invention relates to the technical field of medical instrument cleaning equipment, in particular to a cleaning device for a hard type endoscope-like medical instrument.

Technical Background

A hard type endoscope is a commonly used medical device during medical examination and minimally invasive surgery, after the hard type endoscope is used for inspecting the human body or perform the minimally invasive surgery, an inner cavity and an outer surface of the endoscope both need to be cleaned, dried and sterilized and then can be put into next use, a cleaning method for a hard type endoscope-like pipe cavity instrument in the prior art mainly comprises traditional manual cleaning, or hard type endoscope cleaning with a hard mirror cleaning workstation and a fully automatic spray cleaning machine, the difficulty of cleaning lies in the cleaning of a hard type endoscope pipe cavity and the inner wall of a narrow passage. The traditional cleaning method for the hard type endoscope pipe cavity instrument is to first soak the instrument in a multi-enzyme cleaning solution, and then rinse the instrument with a high pressure water gun, and a special endoscopic cotton swab is used to brush the inside of the pipe cavity with, a shaft section and a bending section and so on of the instrument are gently scrubbed by a soft brush. Although this method is simple and practical, the method is mainly manual operation, which takes time and labor, and the cleaning efficiency is low.

The hard mirror cleaning workstation cleans the hard type endoscope-like pipe cavity instrument mainly by using a perfusion technique, after the instrument is soaked in the enzyme solution, a subsequent automatic perfusion device cleans the pipe cavity instrument. The fully automatic spray cleaning machine also uses the perfusion technique to clean the pipe cavity instrument. This kind of cleaning method has poor cleaning effect, there are always some blind spots that cannot be cleaned and the efficiency is not high.

In view of the defects in the above technologies, those skilled in the art are also trying to develop a new hard type endoscope cleaning solution, such as the Chinese patent document CN200920031197.X, which discloses a novel hard type endoscope cleaning device for the hard type endoscope in hospital, a primary cleaning tank, a enzyme cleaning tank and a final cleaning tank are sequentially arranged, the enzyme cleaning tank is provided with an enzyme solution injector, the final cleaning tank is provided therein with a flushing perfusion device, the primary cleaning tank is provided therein with a steam tube, the steam tube is connected to a steam generator. Two enzyme cleaning tanks are sequentially arranged, which are respectively an instrument enzyme cleaning tank and a mirror enzyme cleaning tank, an ultrasonic cleaning tank is provided in front of the final cleaning tank, and an ultrasonic generator is mounted at the bottom of the ultrasonic cleaning tank, the present invention can quickly and effectively dissolve stubborn stains and solidified blood stains on threads and a groove of the instrument, the cleaning effect is good, and a mirror can be well protected, this avoids scratches on the instrument and is safe and reliable. This kind of groove cleaning is beneficial to the cleaning effect, but has a low degree of automation and high labor intensity, and the cleaning effect is greatly affected by the operator's own factors.

Summary of the Present Invention

In view of the above-mentioned deficiencies in the prior art, the present invention proposes a novel ultrasonic cleaning machine for a hard type endoscope, comprising a casing, a cleaning tank, an ultrasonic system, a liquid adding system, a suction system, a control system, and an automatic water inlet and outlet system and a cleaning basket, wherein the casing comprises a left side casing, a right side casing, a left side panel, a right side panel, a bottom plate and a bracket; the body of the cleaning tank is mounted on the right side casing, the bottom of the body of the cleaning tank is inclined by a predetermined angle, the cleaning basket is placed in the cleaning tank, the ultrasonic cleaning machine for the hard type endoscope provided by the invention mainly improves a cleaning method in the prior art, and the hard type endoscope-like pipe cavity instrument replaces manual cleaning with machine cleaning, thus greatly saving manpower and material resources and improving the cleaning efficiency of the instrument.

The invention solves the technical problem thereof, and the technical solution adopted is as follows: an ultrasonic cleaning machine for a hard type endoscope comprises a casing, a cleaning tank, a control system and a water inlet and outlet system, wherein a water inlet and a water outlet are arranged on the cleaning tank, the structural feature thereof is to further comprise an ultrasonic system, a liquid adding system and a suction system, the liquid adding system comprises a liquid adding pump, a liquid inlet and a connected pipeline; the suction system comprises a 12-position valve, a peristaltic pump and the connected pipeline, the 12-position valve is provided with a liquid inlet end and a liquid outlet end, one or more liquid inlet nozzles are provided at the liquid inlet end thereof, the liquid inlet nozzle is connected to the hard type endoscope via the connected pipeline, the liquid outlet end of the 12-position valve is connected to the liquid inlet end of the peristaltic pump via the connected pipeline, a liquid return port further passes through and is provided with the wall of the cleaning tank, the liquid outlet end of the peristaltic pump is connected to the liquid return port via the connected pipeline.

Preferably, an adapter is further provided between the connected pipeline arranged at the liquid inlet nozzle of the 12-position valve and the hard type endoscope, one end of the adapter is sealedly connected to the connected pipeline, and the other end thereof is connected to the hard type endoscope.

Further, the 12-position valve is a multi-pipeline control valve, only one liquid outlet nozzle is provided at the liquid outlet end of the 12-position valve, the liquid outlet nozzle can be communicated with any one of a plurality of the liquid inlet nozzle of the liquid inlet end of the 12-position valve via a communicating vessel inside the 12-position valve.

Further, the 12-position valve can be replaced with a 1 to 20-position control valve.

Preferably, the liquid adding pump is an enzyme-solution liquid adding pump, the liquid inlet passes through and is arranged at the wall of the cleaning tank, one end of the liquid adding pump is connected to a pot body containing a cleaning enzyme solution via the connected pipeline, and the other end thereof is communicated with the liquid inlet via the connected pipeline.

More preferably, two liquid adding pumps are provided, corresponding to the two liquid adding pumps, two liquid inlets pass through and are provided in the wall of the cleaning tank, the two liquid inlets are connected to the liquid outlet end of the two liquid adding pumps, respectively, the liquid inlet end of one liquid adding pump is connected to the pot body containing the cleaning enzyme solution via the connected pipeline, and the liquid inlet end of the other liquid adding pump is connected to the pot body containing a disinfectant liquid via the connected pipeline.

In the above ultrasonic cleaning machine for the hard type endoscope, a flow meter is further arranged between the peristaltic pump and the 12-position valve, or the flow meter is arranged between the liquid outlet end of the peristaltic pump and the liquid return port.

Preferably, the flow meter can also be arranged between the 12-position valve and the adapter.

In the above ultrasonic cleaning machine for the hard type endoscope, the control system comprises a touch screen, a SCM controller and a switching power supply, the SCM controller is electrically connected to the touch screen, and can transmit instructions to the SCM controller via the touch screen.

For the above ultrasonic cleaning machine for the hard type endoscope, a cleaning basket is further provided in the cleaning tank, the hard type endoscope is placed in the cleaning basket for cleaning.

For the above-mentioned ultrasonic cleaning machine for the hard type endoscopes, the casing includes a left side casing, a right side casing, a left side panel, a right side panel, a bottom plate, and a bracket; and the right side casing is provided thereon with a sealing door that can flip, open and close.

For the above ultrasonic cleaning machine for the hard type endoscope, the body of the cleaning tank is mounted on the right side casing, and the bottom of the body of the cleaning tank is inclined by 5-10°, the water outlet is arranged at the low-lying place of the bottom of the body of the cleaning tank.

For the above-mentioned ultrasonic cleaning machine for the hard type endoscopes, the ultrasonic system comprises a transducer and a generator, the transducer is electrically connected to the generator and attached to the bottom outside the body of the tank.

For the above ultrasonic cleaning machine for the hard type endoscope, the water inlet and outlet system comprises a water inlet valve, a water drainage pump, a water inlet pipeline and a water drainage pipeline, and the water inlet is arranged on the wall of the cleaning tank, and the water inlet valve is connected to the cleaning tank via the water inlet pipeline; the water outlet is arranged at the bottom of the body of the cleaning tank, the water drainage pump is connected to the water outlet of the cleaning tank via the water drainage pipeline.

For the above-mentioned ultrasonic cleaning machine for the hard type endoscope, a temperature sensor is further provided in the cleaning tank, and a heating device is further provided on the outer wall of the cleaning tank.

For the above ultrasonic cleaning machine for the hard type endoscope, the control system further comprises a pressure difference switch, and the pressure difference switch is electrically connected to the SCM controller and the switching power supply.

Compared with the prior art, the present invention has the beneficial effects that the ultrasonic cleaning machine for the hard type endoscope provided by the present invention replaces a manual cleaning method of the hard type endoscope in the prior art, and can clean twelve hard type pipe cavity-like medical instruments at one time, thus greatly saving manpower and material resources and improving the cleaning efficiency of the instrument. Compared with the hard-mirror cleaning workstation in the prior art, the ultrasonic cleaning machine can quickly remove the dirt on the inner and outer surfaces, cracks, blind holes, etc. of the instrument to achieve the purpose of cleaning, and can completely clean a cavity which cannot be cleaned by other cleaning methods; meanwhile, ultrasonic technology combined with the novel cleaning machine suction system allows for the thorough cleaning of the hard type endoscope-like pipe cavity instrument through a fast-flowing circulating water flow.

Brief Description of the drawings

FIG. lisa structural view of the present invention.

FIG. 2 is a structural view of an internal part of a cleaning tank according to the present invention.

FIG. 3 is a structural view of an ultrasonic system according to the present invention.

Fig. 4 is a front elevational view of the interior of a needle of the present invention.

FIG. 5 is a view of a suction system and a control system of the present invention.

FIG. 6 is a view of a novel type of the present invention.

101 - left side casing, 102 - right side casing, 103 - left side panel, 104 - right side panel, 105 bottom panel, 106 - bracket, 107 - sealed door, 108 - water outlet, 2 - cleaning tank, 301 Transducer, 302-generator, 401-liquid adding Pump, 402-liquid Inlet, 403-liquid return port, 501-12-position Valve, 502-Peristaltic Pump, 503-Flow Meter, 504-Pressure difference Switch , 505-Adapter, 601-Touch Panel, 602-SCM Controller, 603-Switching Power Supply, 701-Water Inlet Valve, 702-water Drainage Pump, 703-Water Inlet, 8-Cleaning Basket, 9-Temperature Sensor

Detailed Description

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in FIGS. 1-6, a first embodiment of the present invention is as follows: an ultrasonic cleaning machine for a hard type endoscope comprises a casing, a cleaning tank 2, an ultrasonic system, a liquid adding system, a suction system, and a control system, a water inlet and outlet system and a cleaning basket 8.

The casing comprises a left side casing 101, a right side casing 102, a left side panel 103, a right side panel 104, a bottom plate 105 and a bracket 106, the right side casing 102 is provided with a reversible opening and closing sealing door 107, various components are connected by a rivet or a screw. According to the present invention the ultrasonic cleaning machine is divided into two left and right chambers by installing the left side casing and the right side casing, the control system is provided in a left side cavity covered by the left side casing 101, the cleaning tank 2 is provided in a right side cavity covered by the right side casing 102, a sealed door 107 provided on the right side casing 102 can be pressed and sealed at the mouth of the cleaning tank 2 via a rubber or plastic sealing ring provided on the end surface of the cleaning tank 2 to achieve the closed cover between the sealed door and the cleaning tank 2 . The bottom of the body of the cleaning tank 2 is inclined by 5-10°, and the water outlet 108 is provided at the low-lying place of the inclined surface of the bottom so as to facilitate the smooth discharge of the residual water in the cleaning tank 2 after cleaning. In the present embodiment, the direction of the bottom of the body of the cleaning tank 2 is left high and right low. In the present embodiment, the inner surface of the cleaning tank 2 is mechanically polished and electrochemically polished to resist corrosion and to facilitate the durability. The cleaning basket 8 is placed in the cleaning tank 2. During the cleaning, the hard type endoscope medical instrument to be cleaned is placed in the cleaning basket 8 for cleaning, so as to avoid the hard type endoscop medical device from directly contacting the cleaning tank 2 and damaging the hard type endoscope or the cleaning tank.

The present invention adopts a reasonable division of the product area from left to right, wherein the left side is an equipment control area and the right side is a cleaning operation area to prevent the water in the right cleaning tank 2 from falling into the left control area and failing.

In this embodiment, the control system comprises a touch screen 601, a SCM controller 602, and a switching power supply 603, the SCM controller 602 is electrically connected to the touch screen 601, the touch screen 601 transmits instructions to the SCM controller 602, and the information transmitted by the SCM controller 602 is also transmitted to the touch screen

601 and displayed on the touch screen 601, the switching power supply 603 provides operating power for the touch screen 601 and the SCM controller 602. The SCM controller

602 is connected to the electrical components in the ultrasonic system, the liquid adding system, the suction system, and the water drainage system, and transmits control instructions thereto.

The ultrasonic system mainly comprises a transducer 301 and a generator 302, the transducer 301 is electrically connected to the generator 302, the transducer 301 is evenly attached to the outer bottom of the body of the cleaning tank 2, and the generator 302 is mounted on the bottom bracket 106, the transducer 301 and the generator 302 are both electrically connected to the SCM controller 602 and the switching power supply 603 of the control system, the switching power supply 603 supplies the power for driving the transducer 301 and the generator 302, and the SCM controller 602 sends control instructions to the transducer 301 and the generator 302 to control the start and stop and the work intensity thereof. According to the present invention, the transducer 301 and the generator 302 can generate high-energy ultrasonic waves in the cleaning liquid of the cleaning tank 2 to enhance the cleaning effect, the working principle of the ultrasonic wave generation is that the high-frequency oscillation wave is emitted by the ultrasonic generator 302, and converted into high-frequency mechanical oscillating kinetic energy via the transducer 301 and propagated into a medium. Ultrasonic waves diverge dense interphase radiation in the cleaning liquid, causing the liquid in the cleaning tank 2 to flow and generate tens of thousands of tiny air bubbles. The tiny bubbles (cavitation nucleuses) existing in the liquid oscillate under the action of a sound field, when sound pressure reaches a certain value, the bubbles rapidly increase, and then suddenly close, when the bubbles close, a shock wave is generated and thousands of atmospheric pressures are generated around and destroy insoluble dirt and disperse the dirt in the cleaning liquid, when the group particles are wrapped by oil and adhered to the surface of a cleaning member, the oil is emulsified, and solid particles are detached, thereby achieving the purpose of purifying the surface of the cleaning member, and the penetration of the ultrasonic waves is strong and has strong dirt peeling force, a dead angle is not left in the cleaning process of the hard type endoscope pipe cavity, which helps to thoroughly clean the pipe cavity instrument. The liquid adding system mainly comprises a liquid adding pump 401, a liquid inlet 402, and a connected pipeline, the liquid adding system is responsible for adding a cleaning enzyme solution and a disinfectant solution to the cleaning tank 2 according to the proportion set by the control system. The liquid adding pump401 is electrically connected to the touch screen

601 of the control system, the SCM controller 602 and the switching power supply 603, and provides the working power for the liquid adding pump401 via the switching power supply 603, controls the liquid adding amount of the liquid adding pump 401 via the SCM controller

602 and sets the liquid adding amount for the liquid adding pump via the touch screen 601. Two liquid adding pumps 401 are totally provided, one of the liquid adding pumps is responsible for injecting the cleaning enzyme solution into the cleaning tank 2 and the other is responsible for injecting the disinfectant solution into the cleaning tank 2. Corresponding to the two liquid adding pumps 401, two liquid inlets 402 are provided at the lower end of an inner cavity on the side of the cleaning tank 2, in the present embodiment, the two liquid inlets 402 are provided on the inner wall of the left side of the cleaning tank 2 (i.e., the high side of the inclined inner cavity), respectively. A pot body containing the cleaning enzyme solution is connected to the liquid inlet end of the liquid adding pump 401, the liquid outlet end of the liquid adding pump 401 is connected to one liquid inlet 402 provided in the cleaning tank 2 via the connected pipeline; the pot body containing the disinfectant solution is connected to the liquid inlet end of the other liquid adding pump 401, the liquid outlet end of the liquid adding pump 401 is connected to the other liquid inlet 402 provided in the cleaning tank 2 via the connected pipeline, the cleaning enzyme solution and the disinfectant solution are injected into the cleaning tank 2 via the two liquid inlets. Under the setting of the touch screen 601 and the control of the SCM controller 602, it is possible to precisely control the proportion of the cleaning enzyme solution and the disinfectant solution added to the cleaning tank 2 via the two liquid adding pumps 401 so as not to leave excess cleaning enzyme solution and disinfectant solution on the hard type endoscope while ensuring thorough cleaning and disinfection.

In order to make the ratio of cleaning enzyme solution, disinfectant solution and cleaning water in the cleaning solution more accurate, so as to enhance the cleaning and disinfection effects, the amount of water and the water level in the cleaning tank 2 need to be accurately controlled, for this reason, according to the present embodiment, the control system is also provided with a pressure difference switch 504, the nozzle of the pressure difference switch 504 is connected to the water outlet 108 at the bottom of the cleaning tank 2 via the connected pipeline. According to the principle of a communicating vessel, the pressure difference switch

504 can sense the pressure born by the bottom of the cleaning tank 2, the water level can be known according to the water pressure, the water amount in the cleaning tank 2 can be known according to the water level, the pressure difference switch 504 is also electrically connected to the touch screen 601, the SCM controller 602 and the switching power supply 603, the SCM controller 602 can obtain the amount of water in the cleaning tank 2 according to the pressure value measured by the pressure difference switch 504 and display the amount of water on the touch screen 601, and the SCM controller 602 can also obtain the amount of the cleaning enzyme solution and disinfectant solution to be added according to the pressure value measured by the pressure difference switch 504 and the set ratio of the enzyme solution to the disinfectant solution, display the amount on the touch screen 601, and control the liquid adding pump 401 to add the cleaning enzyme liquid and the disinfectant solution into the cleaning tank 2 according with the quantitative value to achieve precise control of the ratio of the cleaning enzyme solution, the cleaning disinfectant water and the cleaning water in the cleaning solution.

The suction system mainly comprises a 12-position valve 501, a peristaltic pump 502, an adapter 505, and a connected pipeline, the liquid inlet end of the 12-position valve 501 is provided with twelve liquid inlet nozzles, the twelve liquid inlet nozzles are circle-shaped and evenly arranged on the end surface of the 12-position valve 501, the liquid outlet end of the 12-position valve 501 is provided with only one liquid outlet nozzle, this liquid outlet nozzle can be communicated with any one of the twelve liquid inlet nozzles via the communicating vessel inside the 12-position valve 501. a total of twelve mutually independent connected pipe are provided in the 12-position valve 501, one end of each of the twelve connected pipes is connected to the twelve liquid inlet nozzles of the 12-position valve 501 respectively and the other end thereof is connected to one liquid outlet nozzle of the liquid outlet end via the communicating vessel inside the 12-position valve 501, the twelve connected pipes can be opened one by one under the control of the 12-position valve 501 and close the other eleven connected pipes while opening the connected pipe, the opened connected pipe is connected to the liquid outlet nozzle of the liquid outlet end of the 12-position valve 501.

Of course, the 12-position valve 501 can be replaced with a 1 to 20 position control valve, and the number of the liquid inlet nozzles of the liquid inlet end can also be correspondingly 1 to 20, and the number of the hard type endoscopes corresponding to the 12-position valve 501 is correspondingly 1 to 20.

The inner cavity at one end of the cleaning tank 2 is provided with twelve connected heads, in the embodiment, the twelve connected heads pass through and are provided at the inner wall of the left side of the cleaning tank 2 (i.e., the high side of the inclined inner cavity), the liquid outlet nozzle of the 12-position valve 501 is connected to the liquid inlet end of the peristaltic pump 502 via the connected pipeline, the twelve liquid inlet nozzles of the 12-position valve 501 are connected to the liquid outlet ends of the twelve connected heads on the outer wall of the cleaning tank 2 via the connected pipelines, respectively, the adapter 505 is connected to the liquid inlet ends of the twelve connected heads on the inner wall of the cleaning tank 2, respectively, the hard type endoscope needs to be cleaned and disinfected for the connection of the adapter 505, the adapter 505 is an adjustable type flexible connector, the specific structure of the adapter 505 refers to the patent document of a pipe connector of the patent number CN201420677507,6 filed on November 13, 2014 by the applicant, the hard type endoscope and the liquid inlet nozzle of the 12-position valve 501 can quickly achieve a leak-free, hermetic connection via the adapter 505, thereby ensuring that the cleaning fluid in the inner cavity of the hard type endoscope can be completely drawn into the liquid inlet nozzle of the 12-position valve 501 via the adapter 505 without leakage. That is, a total of twelve adapters 505 are provided in the embodiment, and twelve hard type endoscopes that need to be cleaned and disinfected can be respectively connected via the twelve adapters 505, the liquid outlet ends of the twelve adapters 505 are connected to the liquid inlet nozzle of the 12-position valve, respectively, the liquid inlet ends of the twelve adapters 505 are connected to one end of each of the twelve hard type endoscopes, respectively. Under the suction of the peristaltic pump 502, the cleaning fluid in the twelve hard type endoscope pipe cavitys can be sequentially drawn into the 12-position valve 501 and the peristaltic pump 502, that is, by the suction of the peristaltic pump 502, the cleaning fluid flows rapidly in the twelve hard type endoscope pipe cavitys, and the kinetic energy generated by the liquid flow promotes the cleaning for the inner wall of the twelve hard type endoscope pipe cavitys by the cleaning liquid, thereby enhancing the cleaning effect.

Of course, instead of providing a connected head, the liquid inlet nozzle of the liquid inlet end of the 12-position valve 501 can be directly connected to the hard type endoscope by the connected pipeline, at this time, the adapter 505 is also provided between the connected pipeline provided at the liquid inlet nozzle of the 12-position valve 501 and the hard type endoscope, one end of the adapter 505 is sealedly connected to the connected pipeline, and the other end thereof is sealedly connected to one end of the hard type endoscope.

One liquid return port 403 is provided at the lower end of the inner cavity at one side of the cleaning tank 2, the liquid return port 403 passes through and is provided at the inner wall of the left side of the cleaning tank 2 (i.e., the high side of the inclined inner cavity), that is, the liquid return port 403 and the two liquid inlets 402 are arranged side by side or staggered up and down, the liquid outlet end of the peristaltic pump 502 is connected to the liquid return port 403 via the connected pipeline, that is, under the action of the peristaltic pump 502, the cleaning liquid in the cleaning tank 2 sequentially and rapidly flows through pipe cavity pipelines of twelve hard type endoscopes connected to the adapter 505, passes through the 12-position valve 501, the peristaltic pump 502 and the connected pipeline, and finally flows back to the cleaning tank 2 via the liquid return port 403 so that the cleaning fluid in the cleaning tank 2 is rapidly circulated in the twelve hard type endoscope pipe cavitys, the kinetic energy is generated by the rapid flow of water in the hard type endoscope pipe cavity, and the stains on the inner wall of the hard type endoscope tube is peeled by the kinetic energy of the water flow and carried away by the water flow, thereby enhancing the cleaning effect.

In the present embodiment, a flow meter 503 is further provided between the peristaltic pump

502 and the 12-position valve 501, the flow meter 503 can monitor the flow rate of the twelve hard type endoscope pipe cavitys under the suction of the peristaltic pump 502, the flow meter

503 can also monitor the sealed performance of the attachment between the adapter 505 and the outer wall of the hard type endoscope. The flow meter 503 is electrically connected to the touch screen 601 and the switch power supply 603 to timely display the data monitored by the flow meter 503 in the touch screen 601. The flow meter 503 is also provided between the liquid outlet end of the peristaltic pump 502 and the liquid return port 403, or is provided between the 12-position valve 501 and the adapter 505.

The water inlet and outlet system mainly comprises an water inlet valve 701, a water drainage pump 702, a water inlet pipeline and a water drainage pipeline, the water inlet valve 701 is connected to the water inlet 703 at the inner wall of the right side of the cleaning tank 2 (i.e., the low side of the inclined inner cavity) via a water inlet pipeline, in order to inject cleaning water into the cleaning tank 2 via the water inlet valve 701 and the water inlet 703. The water drainage pump 702 is connected to the water outlet 108 at the bottom of the cleaning tank 2 via the water drainage pipeline so that the wastewater in the cleaning tank 2 is discharged via the water drainage pump 702 and the water outlet 108 after the cleaning.

In order to improve the cleaning effect, the water in the cleaning tank 2 can be heated, therefore, in the present embodiment, a heating device is further added to the outer wall of the cleaning tank 2, or the heating device is externally provided so that the water entering the cleaning tank 2 via the water inlet valve 701 and the water inlet 703 is directly hot water, in order to further improve the cleaning effect, it is necessary to control the temperature of the hot water in the cleaning tank 2, for this purpose, a temperature sensor is also provided in the cleaning tank 2 in this embodiment, 9, the temperature sensor can be provided at the bottom or the middle of the left side of the cleaning tank 2, the temperature sensor 9 is electrically connected to the touch screen 601 and the switching power supply 603, and can display the measured temperature value in the touch screen 601.

In the present embodiment, the ultrasonic cleaning machine for the hard type endoscopes mainly has three stages, i.e., a preparation stage, a cleaning stage and a self-cleaning stage, when the hard type endoscopic pipe cavity instrument is cleaned, the processes of water addition, self-checking and exhaust are completed during the preparation stage. With the automatic water inlet and outlet system, after the water inlet valve 701 is controlled to complete automatic water intake, a self-checking function is started. The self-checking is one part of the control system and is mainly to perform the function detection of various components inside the cleaning machine, all components, such as the 12-position valve 501, the peristaltic pump 502, and the pressure difference switch 504, are sequentially activated to receive the sealing check of the adapter 505, if the flow rate of the flow meter 503 is consistent with the expected rate, indicating that the sealing is normal, and then an exhaust function is entered. Exhaust is to remove air from the water when the ultrasonic system works, to improve the ultrasonic cleaning effect.

The ultrasonic cleaning machine for the hard type endoscope of the present invention improves the cleaning method in the prior art, replaces the manual cleaning of the prior art, and can clean twelve hard type endoscope pipe cavity instruments at the same time, thereby greatly saving manpower and material resources and improving the efficiency of the cleaning of the instrument. Compared with a cleaning workstation of hard type endoscope in the prior art, the ultrasonic cleaning machine can quickly remove the dirt on the inner and outer surfaces, cracks, blind holes, etc. of the instrument, thereby achieving the purpose of cleaning, and being able to thoroughly clean the parts that cannot be cleaned by other cleaning methods; at the same time, the ultrasonic technology combined with the novel cleaning machine suction system, by circulating water flow, can greatly improve the cleaning effect of the inner cavity of the hard type endoscope type pipe cavity instrument.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, or alterations may be made to these embodiments without departing from the principle and spirit of the present invention, the scope of the present invention is defined by the appended claims and the equivalents thereof.

Claims

1. An ultrasonic cleaning machine for a hard type endoscope, comprising a casing, a cleaning tank (2), a control system, and a water inlet and outlet system, wherein a water inlet (703) and a water outlet (108) are provided on the cleaning tank (2), the ultrasonic cleaning machine further comprises an ultrasonic system, a liquid adding system and a suction system, the liquid adding system comprises a liquid adding pump (401), a liquid inlet port (402) and a connected pipeline; the suction system comprises a 12-position valve (501), a peristaltic pump (502) and the connected pipeline, the 12-position valve (501) is provided with a liquid inlet end and a liquid outlet end, and one or more liquid inlet nozzles are provided at the liquid inlet end thereof, the liquid inlet nozzle is connected to the hard type endoscope via the connected pipeline, the liquid outlet end of the 12-position valve (501) is connected to the liquid inlet end of the peristaltic pump (502) via the connected pipeline, a liquid return port (403) further passes through and is provided on the wall of the cleaning tank (2), the liquid outlet end of the peristaltic pump (502) is connected to the liquid return port (403) via the connected pipeline, an adapter (505) is further arranged between the connected pipeline provided at the liquid inlet nozzle of the 12-position valve (501) and the hard type endoscope, one end of the adapter (505) is sealedly connected to the connected pipeline and the other end thereof is sealedly connected to one end of the hard type endoscope.

2. The ultrasonic cleaning machine for the hard type endoscope according to claim 1, wherein the body of the cleaning tank (2) is mounted on the right side casing (102), and the bottom of the body of the cleaning tank (2) is inclined by 5-10°, the water outlet (108) is arranged at a low-lying place of the bottom of the body of the cleaning tank (2).

3. The ultrasonic cleaning machine for the hard type endoscope according to claim 1, wherein the 12-position valve (501) is a multi-pipeline control valve, only a liquid outlet nozzle is provided at the liquid outlet end of the 12-position valve (501), one end of the liquid outlet nozzle can be communicated with any one of a plurality of the liquid inlet nozzles of the liquid inlet end of the 12-position valve (501) via a communicating vessel inside the 12-position valve (501).

4. The ultrasonic cleaning machine for the hard type endoscope according to claim 1, wherein the liquid adding pump (401) is an enzyme-solution liquid adding pump, the liquid inlet (402) passes through and is provided on the wall of the cleaning tank (2), one end of the liquid adding pump (401) is connected to a pot body containing a cleaning enzyme solution via the connected pipeline, and the other end thereof is communicated with the liquid inlet via the connected pipeline.

5. The ultrasonic cleaning machine for the hard type endoscope according to claim 1, wherein two liquid adding pumps (401) are provided, corresponding to two liquid adding pumps (401), two liquid inlets pass through and are provided at the wall of the cleaning tank (2), two liquid inlets (402) are connected to the liquid outlet ends of two liquid adding pumps (401), respectively, the liquid inlet end of one liquid adding pump is connected to the pot body containing the cleaning enzyme solutjion via the connected pipeline, and the liquid inlet end of the other liquid adding pump (401) is connected to the pot body containing a disinfectant liquid via the connected pipeline.

6. The ultrasonic cleaning machine for the hard type endoscope according to claim 1, wherein a flow meter (503) is further arranged between the peristaltic pump ( 502 ) and the 12-position valve ( 501 ), or the flow meter (503) is arranged between the liquid outlet end of the peristaltic pump (502) and the liquid return port (403).

7. The ultrasonic cleaning machine for hard type endoscope according to any one of claims 1 to 6, wherein the control system comprises a touch screen (601), a SCM controller (602) and a switching power supply (603), the SCM controller (602) is electrically connected to the touch screen (601), and can transmit instructions to the SCM controller (602) via the touch screen (601).

8. The ultrasonic cleaning machine for the hard type endoscope according to any one of claims 1 to 6, wherein the ultrasonic system comprises a transducer (301) and a generator (302), the transducer (301) is electrically connected to the generator (302) and attached to the outer bottom of the body of the cleaning tank (2).

9. The ultrasonic cleaning machine for the hard type endoscope according to any one of claims 1 to 6, wherein the water inlet and outlet system comprises a water inlet valve (701), a water drainage pump (702), a water inlet pipeline and a water drainage pipeline, the water inlet (703) is provided on the wall of the cleaning tank (2), and the water inlet valve (701) is connected to the water inlet (703) of the cleaning tank (2) via the water inlet pipeline; the water outlet is provided at the bottom of the cleaning tank (2), and the water drainage pump (702) is connected to the water outlet (108) of the cleaning tank (2) via the water drainage pipeline.

10. The ultrasonic cleaning machine for the hard type endoscope according to claim 7, wherein the control system further comprises a pressure difference switch ( 504 ), the pressure difference switch ( 504 ) is electrically connected to a SCM controller (602) of the switching power supply (603).