Medical instrument cleaning equipment

Abstract

The invention relates to the technical field of cleaning, and discloses medical instrument cleaning equipment which comprises an ultrasonic cleaning tank for cleaning medical instruments, and a sealing cover is arranged on the upper side of the ultrasonic cleaning tank; the water drainer extends into the ultrasonic cleaning tank, and the volume of the water drainer in the ultrasonic cleaning tank can be changed; the volume of the drainer in the ultrasonic cleaning tank is increased, and the cleaning liquid in the ultrasonic cleaning tank is drained, so that the liquid level of the cleaning liquid rises to be in contact with the inner side of the sealing cover; through the drainer with the volume capable of being changed and increased in the cleaning tank, cleaning liquid can be drained to enable the liquid level in the cleaning tank to rise, so that the upper end surface of the cleaning tank and the inner side of the sealing cover are infiltrated and contacted with the cleaning liquid to receive the ultrasonic cleaning effect transmitted in the cleaning liquid; the ultrasonic cleaning equipment has the advantages that the cleaning effect is good, the number of dead corners is small, a new cleaning structure does not need to be added and replaced, and dirt does not need to be collected again.

Description

Technical Field

[0001] The invention relates to the field of cleaning technology, and in particular to a medical device cleaning device. Background Art

[0002] Ultrasonic cleaning is a technology that uses the cavitation, acceleration and straight-through flow effects of ultrasonic waves in liquids to clean objects. It is a physical cleaning method that uses high-frequency vibrating ultrasonic waves to generate countless tiny bubbles in the cleaning liquid. When these bubbles come into contact with dirt on the surface of the object, they remove the dirt through a series of complex physical processes. This cleaning method is widely used in many fields such as industry, medicine, electronics, and jewelry. It is an efficient, environmentally friendly cleaning method that can clean objects of complex shapes. Medical device cleaning is an important application scenario for ultrasonic cleaning. For example, surgical instruments such as tweezers and scalpels will be contaminated with pollutants such as blood and tissue fragments after use. Ultrasonic cleaning can quickly and thoroughly clean these instruments, and due to its physical cleaning characteristics, it will not cause corrosion to the instruments like chemical cleaning.

[0003] Ultrasonic cleaning mainly includes ultrasonic generator, ultrasonic transducer and cleaning tank. Ultrasonic generator is one of the core components of ultrasonic cleaning system. Its main function is to convert mains power (usually AC power) into high-frequency AC signal, the frequency of which is usually between 20kHz-100kHz. This signal is used to drive ultrasonic transducer. The function of ultrasonic transducer is to convert the high-frequency AC signal generated by ultrasonic generator into high-frequency mechanical vibration. The transducer is generally installed at the bottom or side of the cleaning tank, and transmits vibration to the cleaning liquid through contact with the cleaning liquid. The cleaning tank is a container for the cleaning liquid and the objects to be cleaned. The cleaning tank is usually made of corrosion-resistant materials such as stainless steel to prevent corrosion by the cleaning liquid.

[0004] When medical devices are ultrasonically cleaned, the level of the cleaning liquid in the cleaning tank is lower than the notch of the cleaning tank to prevent the cleaning liquid from splashing out of the cleaning tank under the action of ultrasound, and a sealing cover will be installed on most ultrasonic cleaning tanks to prevent the cleaning liquid carrying dirt from splashing out of the cleaning tank. During ultrasonic cleaning, not only the medical devices below the liquid level of the cleaning tank can be cleaned, but also the inner wall of the cleaning tank below the liquid level can be cleaned; however, the inner wall surface and upper surface of the cleaning tank above the liquid level, and even the inner surface of the sealing cover are covered with dirt due to the splashing of liquid, and dirt with blood and tissue fragments is stained on the inner side of the upper end of the cleaning tank, which is not conducive to the re-cleaning effect of medical devices, and must be avoided in the cleaning of medical devices that strictly require sanitary conditions; the common practice is that the staff needs to manually clean the inner side of the upper end of the cleaning tank with hand-held tools, and the cleaning requires frequent water changes, and manual cleaning is labor-intensive, the effect is poor, and it is easy to leave cleaning dead corners.

[0005] In the prior art, the patent with publication number CN217990251U has a self-cleaning structure for a tank-type ultrasonic cleaning machine, which can wipe away the stains on the upper side of the cleaning tank by moving a sponge brush; the patent with publication number CN218049375U has an ultrasonic cleaning machine that is easy to clean and the patent with publication number CN11644124A has an ultrasonic cleaning machine with an inner wall that is easy to clean, which scrapes away the dirt inside the cleaning tank by a cleaning disk and a scraper respectively. The above-mentioned prior art is used to replace manual automatic cleaning of ultrasonic cleaning tanks, but the traditional scraping method has the disadvantages of poor cleaning effect, the need to collect or manually remove the dirt after scraping, many dead corners, and the cleaning structure is quickly contaminated and needs to be frequently replaced. Summary of the invention

[0006] The purpose of the present invention is to provide a medical device cleaning device in order to solve the above-mentioned problems in the prior art.

[0007] To achieve the above object, the present invention provides the following technical solutions: A medical device cleaning device comprises an ultrasonic cleaning tank for cleaning medical devices, wherein a sealing cover is provided on the upper side of the ultrasonic cleaning tank; and further comprises: The drainer extends into the ultrasonic cleaning tank and its volume can be changed; the drainer increases in volume in the ultrasonic cleaning tank, discharging the cleaning liquid in the ultrasonic cleaning tank, so that the cleaning liquid level rises to contact the inner side of the sealing cover.

[0008] Furthermore, an inclined surface is arranged on the upper end of the inner wall on each side of the ultrasonic cleaning tank, and the inclined surface is inclined from bottom to top in a direction away from the center of the ultrasonic cleaning tank.

[0009] Furthermore, a groove matching the upper end of the ultrasonic cleaning tank is provided on the lower side of the edge of the sealing cover; the sealing cover is hinged to the ultrasonic cleaning tank; and a first automatic telescopic rod is hinged between the sealing cover and the outer side of the upper end of the ultrasonic cleaning tank.

[0010] Furthermore, a bracket supporting the ultrasonic cleaning tank is connected to the outside of the ultrasonic cleaning tank; a support leg is provided on the lower side of the bracket; a fixed enclosure and a removable enclosure are provided on the outside of the bracket; a plurality of ultrasonic transducers are installed on the outside of the ultrasonic cleaning tank, and also includes an ultrasonic generator, which transmits a high-frequency alternating current signal to the ultrasonic transducer.

[0011] Furthermore, the upper part and the bottom part of the ultrasonic cleaning tank are respectively connected with a water inlet pipe and a waste discharge pipe; valves are installed on the water inlet pipe and the waste discharge pipe.

[0012] Furthermore, the drainer is a columnar body, which slides through the middle of the sealing cover, and a second automatic telescopic rod is connected to the upper side of the columnar body to drive the columnar body to move; when the columnar body is extended into the ultrasonic cleaning tank, there is a gap between the outer side and the four side walls of the ultrasonic cleaning tank.

[0013] Furthermore, a through hole is provided in the middle of the sealing cover for the column to pass through, and a sealing ring is provided inside the through hole to fit the outside of the column.

[0014] Furthermore, the columnar body is a hollow structure with an opening on the upper side; a flange is provided on the outer side of the upper end of the columnar body; a top frame is provided on the outer side of the sealing cover, and the second automatic telescopic rod is installed between the top frame and the lower wall of the columnar body.

[0015] Furthermore, the drainer is an airbag, which is located in an ultrasonic cleaning tank; it also includes an air pump for inflating and deflation of the airbag; an electromagnetic reversing valve is connected between the airbag and the air pump through an air pipe.

[0016] Furthermore, the airbag includes a plurality of vertically stacked sub-capsules, the middle parts of which are connected in sequence, and ventilation holes are provided between the centers of adjacent sub-capsules; it also includes a traction rope, which passes through the ventilation holes, and the upper end of the traction rope is connected to the upper wall of the top sub-capsule, and the lower end is connected to the lower wall of the bottom sub-capsule.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The present invention uses a drainer whose volume can be changed and increased in the cleaning tank, which can drain the cleaning liquid to raise the liquid level in the cleaning tank, so that the upper end surface of the cleaning tank and the inner side of the sealing cover are infiltrated and contacted with the cleaning liquid, and receive the ultrasonic cleaning effect transmitted in the cleaning liquid. Therefore, the ultrasonic cleaning equipment can self-clean the contaminated part of the upper part of its own cleaning tank, and has the advantages of good cleaning effect, few dead corners, no need to increase or replace new cleaning structures, and no need to collect dirt again. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 from an upper side perspective.

[0019] Figure 2 This is a perspective structural diagram of Example 1.

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure from a bottom side perspective of Example 1.

[0021] Figure 4 This is a schematic diagram of the sealing cover of Example 1 in the open state.

[0022] Figure 5 This is a bottom view schematic diagram of Example 1.

[0023] Figure 6 This is a schematic diagram of the cross-sectional structure of Example 1.

[0024] Figure 7 This is a schematic diagram of the self-cleaning state of Example 1.

[0025] Figure 8 for Figure 7 A partial enlarged schematic diagram.

[0026] Fig. 9 This is a schematic diagram of the cross-sectional structure of Example 2.

[0027] Fig.10 This is a schematic diagram of the self-cleaning state of Example 2.

[0028] Fig.11 This is a schematic diagram of the self-cleaning state of Example 3.

[0029] Fig.12 This is a schematic diagram of the fully-filled state of the airbag of Example 3.

[0030] In the figure: 1. ultrasonic cleaning tank; 2. sealing cover; 3. drainer; 4. inclined plane; 5. groove; 6. bracket; 7. support foot; 8. fixed enclosure; 9. removable enclosure; 10. ultrasonic transducer; 11. ultrasonic generator; 12. first automatic telescopic rod; 13. reinforcing rib; 14. water inlet pipe; 15. waste pipe; 16. valve; 17. through hole; 18. sealing ring; 19. flange; 20. top frame; 21. second automatic telescopic rod; 22. charging and discharging air pump; 23. electromagnetic reversing valve; 24. first air pipe; 25. second air pipe; 26. air guide tube; 27. subsac; 28. vent; 29. ​​traction rope; 30. cleaning fluid. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention, that is, the embodiments described are only part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0032] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" that may appear should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "provided with" that may appear should be understood in a broad sense. For example, the object "provided with" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or an inseparable connection. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Specific embodiment 1 of the medical device cleaning equipment provided by the present invention: See also Figure 1-8 The medical device cleaning equipment comprises an ultrasonic cleaning tank 1 for cleaning medical devices, and a sealing cover 2 is arranged on the upper side of the ultrasonic cleaning tank 1.

[0036] A bracket 6 for supporting the ultrasonic cleaning tank 1 is connected to the outside of the ultrasonic cleaning tank 1; the bracket 6 is welded with a square steel pipe and directly supports the bottom of the ultrasonic cleaning tank 1. The ultrasonic cleaning tank 1 is located on the inner side of the upper part of the bracket 6 and there is a gap between the bracket 6.

[0037] Four legs 7 are provided at the lower side of the bracket 6; a plurality of ultrasonic transducers 10 are installed on the outer side of the ultrasonic cleaning tank 1. In this embodiment, the ultrasonic transducers 10 are installed on the left and right side walls of the ultrasonic cleaning tank 1. An ultrasonic generator 11 is installed on the upper part of the bracket 6. The ultrasonic generator 11 converts the mains power into a high-frequency AC signal and transmits the high-frequency AC signal to the ultrasonic transducer 10. The ultrasonic transducer 10 converts the high-frequency AC signal into a high-frequency mechanical vibration, which acts on the cleaning liquid 30 in the ultrasonic cleaning tank 1 to clean the medical devices placed in the ultrasonic cleaning tank 1.

[0038] A fixed panel 8 and a removable panel 9 are provided on the outside of the bracket 6; fixed panels 8 are provided on all sides of the bracket 6, and the fixed panels 8 are connected to the bracket 6 by welding. The front control panel of the ultrasonic generator 11 passes through the fixed panel 8 on the upper front side of the bracket 6, which is convenient for operating the ultrasonic generator 11. The lower front side of the bracket 6 and both sides of the bracket 6 are connected to the removable panels 9 by bolts; the edge of the removable panels 9 is provided with mounting holes for the bolts to pass through, and the bracket 6 is provided with threaded holes corresponding to the bolts; the ultrasonic transducer 10 corresponds to the removable panels 9 on both sides, and after the removable panels 9 on both sides are removed, it is convenient to install and repair the ultrasonic transducer 10.

[0039] The upper end of the inner wall of each side of the ultrasonic cleaning tank 1 is provided with an inclined surface 4, which is inclined from bottom to top away from the center of the ultrasonic cleaning tank 1, and the ends of adjacent inclined surfaces 4 are connected. The inclined surface 4 replaces the plane outside the slot of the traditional cleaning tank, avoiding the accumulation of dirty liquid outside the slot of the ultrasonic cleaning tank 1 and reducing the dirt in the slot. When the inclined medical device cleaning frame is taken out, the drained liquid falls on the upper side of the inclined surface 4 and flows back into the ultrasonic cleaning tank 1, and will not accumulate in large quantities outside the slot.

[0040] The upper end of the inclined surface 4 is connected to the upper end of the fixed enclosure 8. The outer side of the upper end of the fixed enclosure 8 is provided with a reinforcing rib 13. The reinforcing rib 13 is a rectangular ring structure surrounding the fixed enclosure 8 on each side. The upper side of the reinforcing rib 13 is inclined, and the upper side of the reinforcing rib 13 gradually decreases from the center of the ultrasonic cleaning tank 1 to the outside. In this way, the inclined surface 4 and the upper side of the reinforcing rib 13 are connected, and the connection is the highest, and gradually decreases from the highest point to both sides; the width of the upper side of the reinforcing rib 13 is not greater than one-sixth of the width of the inclined surface 4. The upper edge area of ​​the inclined surface 4 is small and serves as the contact point with the sealing cover 2, which can effectively reduce the blind area when cleaning the inclined surface 4 in the later stage, and ensure a comprehensive self-cleaning effect.

[0041] A groove 5 is provided on the lower side of the edge of the sealing cover 2 to match the upper end of the ultrasonic cleaning tank 1; the groove 5 is in a rectangular ring shape as a whole, and the cross section of the groove 5 is V-shaped. When the sealing cover 2 is covered on the upper side of the ultrasonic cleaning tank 1, the groove 5 can fit with the upper part of the inclined surface 4 and the upper side of the reinforcing rib 13 to achieve sealing of the notch of the ultrasonic cleaning tank 1. In some embodiments, rubber sealing pads are provided on the inner side of the groove 5 to provide the sealing cover 2 with a better sealing effect.

[0042] The sealing cover 2 is hinged to the ultrasonic cleaning tank 1; a first automatic telescopic rod 12 is hinged between the sealing cover 2 and the outer side of the upper end of the ultrasonic cleaning tank 1, that is, the two ends of the first automatic telescopic rod 12 are respectively hinged to the sealing cover 2 and the ultrasonic cleaning tank 1; the first automatic telescopic rod 12 can be an electric telescopic rod or a hydraulic telescopic rod; through the extension and retraction of the telescopic end of the first automatic telescopic rod 12, the sealing cover 2 can be rotated around the hinge center between it and the ultrasonic cleaning tank 1 to realize the opening and closing of the sealing cover 2. When the sealing cover 2 needs to be sealed, the first automatic telescopic rod 12 can make the sealing cover 2 tightly attached to the upper side of the notch of the ultrasonic cleaning tank 1 to achieve sealing and prevent the internal cleaning liquid 30 from overflowing.

[0043] The upper and lower parts of the ultrasonic cleaning tank 1 are connected with an inlet pipe 14 and a waste pipe 15, respectively; the inlet pipe 14 and the waste pipe 15 are both equipped with electric valves 16; the inlet pipe 14 and the waste pipe 15 are connected to the rear side of the ultrasonic cleaning tank 1 and pass through the fixed enclosure 8 at the rear side. The inlet pipe 14 is connected to a clean water source with pressure, and when the valve 16 on the inlet pipe 14 is opened, the clean water source enters the ultrasonic cleaning tank 1 through the inlet pipe 14; the waste pipe 15 is connected to an external waste water delivery pipeline, and when the valve 16 on the waste pipe 15 is opened, the cleaned waste water enters the external waste water delivery pipeline from the waste pipe 15.

[0044] During the cleaning process of medical devices: add clean water to the ultrasonic cleaning tank 1 until the water level reaches the middle and upper part of the ultrasonic cleaning tank 1; add detergent; put the medical device into the cleaning frame and place it below the liquid level of the ultrasonic cleaning tank 1; close the sealing cover 2, turn on the ultrasonic generator 11 to clean the medical device; take out the medical device and the cleaning frame after cleaning. When the amount of dirt is large, change the water and clean the medical device again, and do not add detergent for the second cleaning.

[0045] During the cleaning process, the inner wall surface and upper side surface of the ultrasonic cleaning tank 1 and the inner surface of the sealing cover 2 are contaminated by the splashing effect of the liquid surface; they need to be cleaned to ensure the hygiene and safety of the ultrasonic cleaning equipment so as to facilitate the cleaning of the medical device next time.

[0046] Therefore, in this embodiment, a drainer 3 is provided, which extends into the ultrasonic cleaning tank 1 and has a changeable volume in the ultrasonic cleaning tank 1; the volume of the drainer 3 increases in the ultrasonic cleaning tank 1, discharging the cleaning liquid 30 in the ultrasonic cleaning tank 1, so that the liquid level of the cleaning liquid 30 rises to contact the inner side of the sealing cover 2.

[0047] When the cleaning liquid 30 contacts the position that was not originally in contact with the cleaning liquid 30 during the ultrasonic cleaning process of the medical device, the ultrasonic generator 11 and the ultrasonic transducer 10 work, and the cleaning effect is transmitted through the cleaning liquid 30; the ultrasonic cleaning machine uses its own ultrasonic generating structure to clean its own ultrasonic cleaning tank 1, and truly achieves a self-cleaning effect; there is no need to add other cleaning structures. Ultrasonic cleaning has a better cleaning effect than the traditional scraping cleaning structure, and the dirt on the surface of the ultrasonic cleaning tank 1 and the sealing cover 2 is mixed with the cleaning liquid 30 and can be directly discharged with the wastewater, without the need to collect the dirt and then transport it. Through the inclined surface 4 structure of the ultrasonic cleaning tank 1 of this embodiment and the small area contact sealing structure with the sealing cover 2, there are fewer blind spots in the cleaning, ensuring the comprehensiveness of self-cleaning.

[0048] In this embodiment, the drainer 3 is a columnar body, which slides through the middle of the sealing cover 2. The middle of the sealing cover 2 is provided with a through hole 17 for the columnar body to pass through. The inner side of the through hole 17 is provided with three sealing rings 18 that fit on the outer side of the columnar body. A second automatic telescopic rod 21 for driving the movement of the column is connected to the upper side of the column; in order to make the equipment lightweight, the column is a hollow structure with an opening on the upper side; a flange 19 is provided on the outer side of the upper end of the column, and the horizontal outer edge of the flange 19 is larger than the through hole 17 to prevent the column from passing through the through hole 17 when moving downward; a top frame 20 is provided on the outer side of the sealing cover 2, and the second automatic telescopic rod 21 is installed between the top frame 20 and the lower wall of the column, and the telescopic end of the second automatic telescopic rod 21 is located inside the column when contracted, which can reduce the vertical height of the equipment; a cross-shaped reinforcement plate is provided on the inner side of the lower wall of the column, and the center of the reinforcement plate is connected to the telescopic end of the second automatic telescopic rod 21 to improve the connection strength between the column and the second automatic telescopic rod 21; the second automatic telescopic rod 21 adopts an electric telescopic rod or a hydraulic telescopic rod.

[0049] After the medical device is cleaned with clean water as the cleaning liquid 30 and taken out, the sealing cover 2 is closed, and when the telescopic end of the second automatic telescopic rod 21 is fully retracted, the lower side of the column is not higher than the lower side of the sealing cover 2. When the telescopic end of the second automatic telescopic rod 21 is extended to allow the column to extend into the ultrasonic cleaning tank 1, there is a gap between the outer side and the four side walls of the ultrasonic cleaning tank 1; the column extends into the cleaning liquid 30 in the ultrasonic cleaning tank 1, displacing the cleaning liquid 30 so that the liquid level of the cleaning liquid 30 rises until the liquid level of the cleaning liquid 30 contacts the lower side of the sealing cover 2. The ultrasonic generator 11 and the ultrasonic transducer 10 work to ultrasonically clean the upper side of the inner wall of the ultrasonic cleaning tank 1, the inclined surface 4 and the lower side of the sealing cover 2. The upper side of the inner wall of the ultrasonic cleaning tank 1, the inclined surface 4 and the sealing cover 2 are not immersed in the cleaning liquid 30 during the ultrasonic cleaning of the medical device, and they will be contaminated by the splashing effect of the cleaning liquid 30 on the liquid surface; the contaminated dirt is thoroughly cleaned at this time, and the dirt is dissolved or dispersed into the cleaning liquid 30 under the action of ultrasound. After the self-cleaning is completed, the valve 16 of the waste pipe 15 is opened to discharge the waste water from the ultrasonic cleaning tank 1. Then the ultrasonic generator 11 is closed and the column is reset.

[0050] Specific embodiment 2 of the medical device cleaning equipment provided by the present invention: See also Fig. 9 and Fig.10 , the difference between this embodiment and embodiment 1 is that: in embodiment 1, the drainer 3 is a columnar body, which, although the structure is ingenious and stable, will occupy a large space on the upper side of the sealing cover 2. In this embodiment, the drainer 3 is an airbag, which is located in the ultrasonic cleaning tank 1. When the airbag is contracted, it is located at the bottom of the ultrasonic cleaning tank 1. In some other embodiments, when the airbag is contracted, it can be located on the side wall of the ultrasonic cleaning tank 1 or even on the inner side of the sealing cover 2; there is no through hole 17 and top frame 20 on the sealing cover 2. The lower part of the bracket 6 is set as a charging and discharging air pump 22 for charging and discharging the airbag; an electromagnetic reversing valve 23 is connected between the airbag and the charging and discharging air pump 22 through an air pipe; the electromagnetic reversing valve 23 is connected to the charging port and the exhaust port of the charging and discharging air pump 22 through the first air pipe 24 and the second air pipe 25 respectively, and the electromagnetic reversing valve 23 is connected to the airbag through the air guide pipe 26. The charging port and the exhaust port of the charging and discharging air pump 22 are connected to the airbag respectively through the reversal of the electromagnetic reversing valve 23, and then the airbag is inflated and exhausted respectively. The structure of this embodiment is more compact, and has no change in appearance and volume compared with the conventional ultrasonic cleaning equipment.

[0051] When the medical device is tilted, the airbag is in a contracted state and occupies a small volume; the medical device and the cleaning frame for placing the medical device are placed on the upper side of the airbag. The self-cleaning process of the upper part of the ultrasonic cleaning tank 1: take out the cleaned medical device; close the sealing cover 2; the ultrasonic generator 11 and the ultrasonic transducer 10 continue to work; the charging and discharging air pump 22 inflates the airbag, the volume of the airbag increases to displace the cleaning liquid 30, so that the liquid level of the cleaning liquid 30 rises to the point of contacting the inner side of the sealing cover 2, and the airbag is stopped from being inflated or maintained; the ultrasonic self-cleaning of the upper side of the inner wall of the ultrasonic cleaning tank 1, the inclined surface 4 and the inner side of the sealing cover 2 is completed, the valve 16 of the waste pipe 15 is opened to discharge the waste water from the ultrasonic cleaning tank 1, and then the ultrasonic generator 11 is closed, and the electromagnetic reversing valve 23 is actuated to cause the charging and discharging air pump 22 to evacuate the airbag, and the airbag shrinks and resets.

[0052] Specific embodiment 3 of the medical device cleaning equipment provided by the present invention: See also Fig.11 and Fig.12 The difference between this embodiment and embodiment 2 is that in embodiment 2, the airbag adopts an integral single airbag. During the use of this single airbag, the shape is a curved surface, and the shape is irregular due to the pressure of the cleaning fluid 30. Therefore, in the present embodiment, the airbag comprises a plurality of vertically stacked sub-capsules 27, the middle parts of the sub-capsules 27 are connected in sequence, and vent holes 28 are provided between the centers of adjacent sub-capsules 27. The area of ​​the mutually connected parts of the sub-capsules 27 is larger than the cross-sectional area of ​​the vent holes 28. The vent holes 28 are located at the center of the connected parts of the sub-capsules 27 to avoid air leakage between the sub-capsules 27. When the airbag composed of the multiple layers of sub-capsules 27 is contracted, the thickness is thicker than that of a single integral airbag, but the side walls of the sub-capsules 27 are relatively thin, which has little effect and does not affect the placement of medical equipment and its cleaning frame. The shape of the multiple layers of sub-capsules 27 when inflated is more regular, especially the vertical deformation is more uniform. In the present embodiment, a traction rope 29 is provided, the traction rope 29 passes through the vent holes 28, the upper end of the traction rope 29 is connected to the upper wall of the top sub-capsule 27, and the lower end is connected to the lower wall of the bottom sub-capsule 27. The length of the traction rope 29 is the same as the height from the bottom of the ultrasonic cleaning tank 1 to the sealing cover 2. The middle of the lower wall of the bottom subcapsule 27 is connected to the middle of the bottom of the ultrasonic cleaning tank 1. The traction rope 29 pulls the upper wall of the top subcapsule 27. After the subcapsule 27 is fully expanded, the top subcapsule 27 is centered, further improving the stability and position accuracy of the multi-layer subcapsule 27. The top subcapsule 27 can be set larger than the lower subcapsule 27 to accommodate the larger space at the inclined surface 4, so that the airbag of this embodiment can completely fill the ultrasonic cleaning tank 1 under the sealing cover 2. Fig.11The self-cleaning is performed as shown; during the waste discharge process after self-cleaning, the airbag is inflated, which can pressurize the waste discharge, improve the waste discharge efficiency, and promote the discharge of dirt with the cleaning liquid 30, so as to avoid dirt remaining in the ultrasonic cleaning tank 1. In some other embodiments, the valves 16 of the water inlet pipe 14 and the waste discharge pipe 15 are opened at the end of the self-cleaning, and the ultrasonic generator 11 is kept turned on, so that the flowing clean water flushes between the airbag and the ultrasonic cleaning tank 1. In some other embodiments, the position of the waste discharge pipe 15 is changed so that the waste discharge pipe 15 is located at the upper end of the ultrasonic cleaning tank 1, which is suitable for occasions with less precipitated dirt and more floating dirt. The airbag squeezes the waste water so that the waste water is discharged from the waste discharge pipe 15 at the upper end of the ultrasonic cleaning tank 1; the floating dirt is completely removed.

[0053] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments without creative work, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A medical device cleaning device, comprising an ultrasonic cleaning tank (1) for cleaning medical devices, wherein a sealing cover (2) is provided on the upper side of the ultrasonic cleaning tank (1); characterized in that: Also includes: A drainer (3) extends into the ultrasonic cleaning tank (1) and has a changeable volume in the ultrasonic cleaning tank (1); the drainer (3) increases in volume in the ultrasonic cleaning tank (1) and discharges the cleaning liquid (30) in the ultrasonic cleaning tank (1), so that the liquid level of the cleaning liquid (30) rises to contact the inner side of the sealing cover (2).

2. The medical device cleaning equipment according to claim 1, characterized in that: An inclined surface (4) is provided at the upper end of the inner wall on each side of the ultrasonic cleaning tank (1), and the inclined surface (4) is inclined from bottom to top in a direction away from the center of the ultrasonic cleaning tank (1).

3. The medical device cleaning equipment according to claim 1 or 2, characterized in that: A groove (5) is provided on the lower side of the edge of the sealing cover (2) and is matched with the upper end of the ultrasonic cleaning tank (1); the sealing cover (2) is hinged to the ultrasonic cleaning tank (1); and a first automatic telescopic rod (12) is hinged between the sealing cover (2) and the outer side of the upper end of the ultrasonic cleaning tank (1).

4. The medical device cleaning equipment according to claim 1, characterized in that: The ultrasonic cleaning tank (1) is connected to a bracket (6) for supporting the ultrasonic cleaning tank (1) on its outer side; a support foot (7) is provided on the lower side of the bracket (6); a fixed panel (8) and a removable panel (9) are provided on the outer side of the bracket (6); a plurality of ultrasonic transducers (10) are installed on the outer side of the ultrasonic cleaning tank (1), and the ultrasonic generator (11) transmits a high-frequency alternating current signal to the ultrasonic transducer (10).

5. The medical device cleaning equipment according to claim 1, characterized in that: The upper part and the bottom part of the ultrasonic cleaning tank (1) are respectively connected to a water inlet pipe (14) and a waste discharge pipe (15); valves (16) are installed on the water inlet pipe (14) and the waste discharge pipe (15).

6. The medical device cleaning equipment according to claim 1, characterized in that: The drainer (3) is a columnar body that slides through the middle of the sealing cover (2). The upper side of the columnar body is connected to a second automatic telescopic rod (21) that drives the columnar body to move. When the columnar body is inserted into the ultrasonic cleaning tank (1), there is a gap between the outer side and the four side walls of the ultrasonic cleaning tank (1).

7. The medical device cleaning equipment according to claim 6, characterized in that: The sealing cover (2) is provided in the middle with a through hole (17) for the column to pass through, and a sealing ring (18) is provided inside the through hole (17) and is fitted on the outside of the column.

8. The medical device cleaning equipment according to claim 6, characterized in that: The columnar body is a hollow structure with an opening on the upper side; a flange (19) is provided on the outer side of the upper end of the columnar body; a top frame (20) is provided on the outer side of the sealing cover (2); and a second automatic telescopic rod (21) is installed between the top frame (20) and the lower wall of the columnar body.

9. The medical device cleaning equipment according to claim 1, characterized in that: The drainer (3) is an air bag, which is located in the ultrasonic cleaning tank (1); it also includes an air pump (22) for inflating and deflation of the air bag; an electromagnetic reversing valve (23) is connected between the air bag and the air pump (22) via an air pipe.

10. The medical device cleaning equipment according to claim 9, characterized in that: The airbag comprises a plurality of vertically stacked sub-bags (27), the middle parts of the sub-bags (27) are connected in sequence, and a vent hole (28) is provided between the centers of adjacent sub-bags (27); and also comprises a traction rope (29), the traction rope (29) passes through the vent hole (28), the upper end of the traction rope (29) is connected to the upper wall of the top sub-bag (27), and the lower end is connected to the lower wall of the bottom sub-bag (27).

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