CN220387317U

CN220387317U - Needle cleaning equipment

Info

Publication number: CN220387317U
Application number: CN202322218016.7U
Authority: CN
Inventors: 全秋生; 唐庆文; 冯继文
Original assignee: Shanghai Pinfeng Medical Technology Co ltd; Pinfeng Shenzhen Medical Equipment Co ltd
Current assignee: Shanghai Pinfeng Medical Technology Co ltd; Pinfeng Shenzhen Medical Equipment Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-01-26
Anticipated expiration: 2033-08-16

Abstract

The utility model provides needle cleaning equipment, which comprises a cleaning pool, an ultrasonic transducer and a flushing mechanism; a cleaning pool cover is arranged right above the cleaning pool; the ultrasonic transducer is arranged right below the cleaning pool; the flushing mechanism is arranged on the cleaning tank. According to the utility model, cumbersome process is improved and the structure is simple. After the needle cleaning device is adopted, the inner surface and the outer surface of the needle can be cleaned strongly and rapidly, and the problem that the needle cannot be cleaned by the cleaning device can be solved.

Description

Needle cleaning equipment

Technical Field

The utility model belongs to the field of needle cleaning in the IDV industry, and particularly relates to needle cleaning equipment.

Background

At present, the needle in the IDV (in vitro diagnosis) industry has two cleaning modes, one method is to manufacture a water flow flushing needle with extremely fast flow rate in a cleaning pool of the needle, the method can not completely remove stubborn attachments on the surface of the needle, a professional is required to disassemble the needle and clean the needle after a certain time, the process is complicated, time and labor are wasted, and if the professional does not clean on time, the needle is polluted, and the analysis result is influenced; in another method, ultrasonic cleaning is used, only the needle point part of the needle can be cleaned, the whole needle body is stained with the reagent when the puncture sampling is performed, if the needle point is cleaned only, the whole needle body is not cleaned, the reagent is remained on the needle body, the reagent is polluted when the puncture sampling is performed next time, and the analysis result is deviated.

For example, the publication number is CN114544994, the utility model name is a patent of a sample analysis device and a sample analysis method, and the technical scheme of cleaning a needle by utilizing an ultrasonic transducer is disclosed, namely, the ultrasonic wave is used for accelerating liquid vibration to strip impurities on the surface of the needle, the liquid vibration is used for cleaning the impurities on the surface of the needle independently, the impurities are similar to filling water in a cup, when the cup body is vibrated to vibrate the water in the cup body, and when residues on the inner wall of the cup body are cleaned, the impact force is small, long time is required for cleaning the residues on the inner wall of the cup body, and the cleaning effect is good without directly flushing the inner wall of the cup body by utilizing large water pressure.

Disclosure of Invention

The utility model aims to provide needle cleaning equipment, which solves the problem that the existing needle in the IDV industry cannot be cleaned efficiently.

In order to achieve the above object, the present utility model provides a needle cleaning apparatus including a cleaning bath, an ultrasonic transducer, and a flushing mechanism;

the cleaning pool is internally provided with a cleaning cavity for accommodating the needle, and the opening size of the cleaning cavity corresponds to the diameter size of the needle to be cleaned;

the flushing mechanism is arranged on the side wall of the cleaning tank and comprises a water inlet pipe;

a cleaning channel is further arranged in the cleaning pool, one end of the cleaning channel corresponds to the water inlet pipe of the flushing mechanism, and the other end of the cleaning channel is communicated with the cleaning cavity;

the ultrasonic transducer is arranged right below the cleaning pool, and the distance between the upper end face of the ultrasonic transducer and the needle point of the needle to be cleaned is 3mm-5mm. The needle is inserted into the cleaning cavity, and impurities of the needle are cleaned under the combined action of ultrasonic waves generated in water by water flow of the flushing mechanism and ultrasonic transducers.

According to the utility model, the upper surface of the cleaning tank is provided with a concave groove which is concave downwards;

the upper part of the cleaning cavity is provided with a groove, the bottom of the cleaning cavity is of an opening structure, and the cleaning cavity is connected with a switching part; the needle can ensure that the water of the flushing mechanism can smoothly enter the cleaning cavity through the cleaning channel and flush the needle when the needle is inserted into the cleaning cavity.

The bottom of the switching part is contacted with the upper end face of the ultrasonic transducer, and the side wall of the switching part is connected with the water outlet pipe.

According to the utility model, the cleaning tank further comprises a cleaning tank cover, a pinhole is arranged on the cleaning tank cover, the upper end of the cleaning cavity is positioned in the cleaning tank cover, and the cleaning cavity corresponds to the pinhole in position;

the cleaning channel is arranged in the cleaning pool cover, and penetrates through the side wall of the cleaning pool cover.

According to the utility model, the first O-shaped ring and the second O-shaped ring are sleeved on the outer surface of the cleaning pool cover, and the first O-shaped ring and the second O-shaped ring are positioned between the cleaning pool cover and the cleaning pool to form a sealing structure. The first O-shaped ring and the second O-shaped ring are arranged to seal the outer wall of the cleaning pool cover and the inner wall of the cleaning pool, so that the condition that cleaning liquid overflows is avoided.

According to the utility model, a third O-shaped ring is sleeved on the outer surface of the ultrasonic transducer, and the third O-shaped ring is positioned between the ultrasonic transducer and the cleaning tank. The third O-shaped ring is arranged for ensuring the sealing performance between the ultrasonic transducer and the cleaning pool.

According to the utility model, the bottom of the cleaning tank is fixedly connected with the pressing plate, the outer surface of the ultrasonic transducer is fixedly connected with the sealing gasket, and the sealing gasket is positioned below the pressing plate. The ultrasonic transducer is fixedly connected to the bottom of the cleaning pool through the sealing gasket and the pressing plate, the position of the ultrasonic transducer is fixed, the stability of the ultrasonic transducer during working is guaranteed, and shaking is avoided.

According to the utility model, the flushing mechanism comprises a straight-hole hose connector, a cleaning tank connector and a water outlet pipe, wherein the straight-hole hose connector is connected with the water inlet pipe, and the cleaning tank connector is connected with the water outlet pipe. The water flow enters the cleaning cavity from the water inlet pipe of the straight hole hose joint of the flushing mechanism through the cleaning channel, and then the attachments on the surface of the needle are flushed away and then discharged through the water outlet pipe.

According to the utility model, the straight hole hose connector and the cleaning tank connector are both fixed on the side wall of the cleaning tank through the screw device. The setting of detachable link can be when straight hole hose connection and wash pond joint damage simple change, improves the convenience of operation.

According to the utility model, the outer surface of the cleaning pool joint is sleeved with the fourth O-shaped ring, and the fourth O-shaped ring is positioned between the cleaning pool head and the cleaning pool to play a sealing effect.

The utility model has the beneficial effects that:

1. the size of the opening of the cleaning cavity corresponds to the diameter of the needle to be cleaned, the gap between the cleaning cavity of the needle and the needle body is reduced, under the condition that the water flow is the same, the smaller the gap is, the larger impact force is realized, the residual reagent on the surface of the needle body can be washed more easily, the outer surface of the needle can be cleaned strongly and rapidly, and the cleaning efficiency is improved.

2. The ultrasonic transducer is arranged under the cleaning pool, and the distance between the upper end surface of the ultrasonic transducer and the needle point of the needle to be cleaned is 3mm-5mm. The ultrasonic wave can be utilized to clean the needle body by vibrating the water in the cleaning pool. The utility model has simple structure, improves the complicated process and can realize the beneficial effect of efficiently cleaning the surface test agent of the needle body.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The utility model may be better understood by reference to the following description taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic view of the needle cleaning apparatus of the present utility model wherein a needle is disposed within a cleaning chamber;

fig. 2 is a schematic partial structure of the needle cleaning apparatus of the present utility model.

The device comprises a 1-cleaning tank, a 2-cleaning tank cover, a 3-cleaning tank connector, a 4-straight hole hose connector, a 5-first O-shaped ring, a 6-second O-shaped ring, a 7-third O-shaped ring, an 8-fourth O-shaped ring, a 9-ultrasonic transducer, a 10-sealing gasket, a 11-pressing plate, a 12-needle, a 13-cleaning cavity, a 14-cleaning channel, a 15-water inlet pipe, a 16-water outlet pipe, a 17-needle hole, an 18-adapter and a 19-groove.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

Referring to fig. 1, a needle cleaning apparatus of the present utility model is used for cleaning a needle 12, which may be a reagent needle, sampling needle, the needle 12 having a hollow structure, both the inner and outer surfaces of the needle 12 being stained with reagent after the reagent is sucked, cleaning the inner and outer surfaces of the needle 12 after the test is completed, for the next use, the needle cleaning apparatus comprising a cleaning tank 1, one side of the cleaning tank 1 being provided with a flushing structure, wherein the flushing structure comprises a water inlet pipe 15 and a water outlet pipe 16, an ultrasonic transducer 9 for providing kinetic energy being provided at the bottom of the cleaning tank 1, and when in use, the needle 12 is placed in the cleaning tank 1, cleaning liquid being introduced into the cleaning tank 1 from the water inlet pipe 15, the cleaning liquid being fluctuated in the cleaning tank 1 by the vibration of the ultrasonic transducer 9, thereby realizing the flushing of the reagent on the surface of the needle 12, and the cleaning liquid being discharged from the water outlet pipe 16 after the cleaning.

The cleaning pool 1 is internally provided with a cleaning cavity 13 for accommodating the needle 12, after the needle 12 is inserted into the cleaning cavity 13, the gap between the needle 12 and the inner wall of the cleaning cavity 13 is 0.5mm, and a waste liquid sucking pump is externally connected with a water outlet, so that the water flow is ensured to rapidly flow out from the water outlet.

The bottom of the cleaning cavity 13 is of an opening structure and is connected with a switching part 18, the bottom of the switching part 18 is in contact with the upper end face of the ultrasonic transducer 9, the side wall of the switching part 18 is connected with a water outlet pipe 16, and cleaning liquid in the cleaning cavity 13 is discharged through the water outlet pipe 16 communicated with the switching part 18.

Referring to fig. 2, specifically, the upper surface of the cleaning tank 1 is provided with a concave groove 19, a detachable cleaning tank cover 2 is connected in the groove 19, a needle hole 17 is further provided on the cleaning tank cover 2, when the needle 12 needs to be cleaned, the needle 12 is inserted into the cleaning cavity 13 through the needle hole 17 for cleaning, and the distance between the needle tip of the needle 12 and the upper surface of the ultrasonic transducer 9 is 3mm-5mm, the cleaning effect is poor due to the increase of the distance, the needle cannot be cleaned sufficiently due to the decrease of the distance, and the preferred distance in the embodiment is 3mm-5mm.

Referring to fig. 1, specifically, the washing tank 1 further includes a washing passage 14, one end of the washing passage 14 is connected to a water inlet pipe 15 of the washing mechanism, and the other end of the washing passage 14 is communicated with the washing chamber 13;

specifically, under the drive of external liquid feeding pump equipment, water flow enters the cleaning channel 14 from the water inlet pipe 15 and flows into the cleaning cavity 13 from the cleaning channel 14, the water flow is larger in jet impact force under the condition that the liquid feeding pump works, and when the water flow flows into the cleaning cavity 13, the impact force of the water for flushing the surface of the needle 12 is larger than that of normal water flow, so that the efficiency for cleaning the surface of the needle 12 is improved, and the residual reagent on the surface of the needle 12 can be removed rapidly and effectively.

Specifically, the frequency of the ultrasonic transducer 9 is selected to be 10 to 500kHz according to the size and purpose of the cleaning object, and the smaller the vibration frequency of the ultrasonic transducer is, the stronger the ultrasonic wave is, and the inner and outer surfaces of the needle are easily damaged, preferably the frequency of 37.5kHz is used.

Specifically, the cleaning device further comprises a sealing gasket 10 and a pressing plate 11, the pressing plate 11 is fixedly connected to the bottom of the cleaning tank 1, the sealing gasket 10 is fixedly connected to the outer surface of the ultrasonic transducer 9, and the sealing gasket 10 is located below the pressing plate 11.

Further, the first O-shaped ring 5 and the second O-shaped ring 6 are sleeved on the outer surface of the cleaning tank cover 2, the first O-shaped ring 5 is located on the upper half portion of the cleaning tank cover 2, the second O-shaped ring 6 is located on the lower half portion of the cleaning tank cover 2, and the first O-shaped ring 5 and the second O-shaped ring 6 are located between the cleaning tank cover 2 and the cleaning tank 1 to form a sealing structure for guaranteeing tightness between the cleaning tank 1 and the cleaning tank cover 2.

Further, a third O-shaped ring 7 is sleeved on the outer surface of the ultrasonic transducer 9, and the third O-shaped ring 7 is positioned between the ultrasonic transducer 9 and the cleaning tank 1 to form a sealing structure for sealing the ultrasonic transducer 9 and the cleaning tank 1 from outflow and permeation of liquid flow.

Further, the flushing mechanism further comprises a cleaning tank joint 3 connected with the water outlet pipe 16 and a straight hole hose joint 4 connected with the water inlet pipe 15, and the cleaning tank joint 3 is arranged below the side of the cleaning tank 1; a straight bore hose fitting 4 is provided laterally above the washing tank 1.

Further, the outer surface of the cleaning tank joint 3 is sleeved with a fourth O-shaped ring 8, and the fourth O-shaped ring 8 is positioned between the cleaning tank joint 3 and the cleaning tank 1 to form a sealing structure for sealing the cleaning tank joint and the cleaning tank, so that liquid flow is prevented from flowing outwards and permeating.

When the needle 12 needs to be cleaned, the cleaned needle 12 is inserted downwards from the needle hole 17 of the cleaning pool cover 2 into the cleaning cavity 13, external water supply equipment is started, cleaning liquid enters the cleaning channel 14 from the water inlet pipe 15 of the straight-hole hose joint 4, rapid water flow flows into the cleaning cavity 13 through the cleaning channel 14 to scour the outer surface of the needle 12, and general attachments on the outer surface of the needle 12 are discharged from the cleaning pool joint 3 along with the liquid after passing through the water outlet pipe 16.

The working principle and beneficial effects of the technical scheme are as follows: when the needle 12 is cleaned, the flow rate is constant, but the cross-sectional area is small because the gap between the needle 12 and the cleaning chamber 13 is small, so that the flow rate of the cleaning liquid is increased, and the rapid water flow can clean most of the attached matter adhering to the surface of the needle 12.

As a further illustration, the needle 12 is of a hollow structure, when the cleaning liquid is accumulated in the cleaning cavity 13, the cleaning liquid enters the interior of the needle 12 from the hollow point of the needle 12, the ultrasonic transducer 9 is started at the same time during cleaning, the ultrasonic transducer 9 starts vibrating to emit ultrasonic waves to vibrate the water in the cleaning tank 1, the ultrasonic transducer 9 vibrates to help to clean the stubborn attachments on the inner and outer surfaces of the needle 12 in the cleaning tank 1, and the stubborn attachments are separated from the inner and outer surfaces of the needle 12 after being broken by the bubble cavity generated by the ultrasonic waves, and are discharged from the cleaning tank joint 3 along with the liquid through the water outlet 16.

After 1 to 2 seconds of cleaning, the cleaning time is over, the needle 12 leaves the cleaning chamber 13, the ultrasonic transducer 9 stops working, and the next cleaning is waited.

The working principle and beneficial effects of the technical scheme are as follows: after the needle 12 is inserted into the cleaning cavity 13 and hovered 3mm-5mm above the ultrasonic transducer 9, the ultrasonic transducer 9 starts vibrating, and the generated ultrasonic waves form bubble cavities on the outer surface and the inner surface of the needle 12 to burst, so that stubborn attachments adsorbed on the surface of the needle 12 are removed, the attachments on the inner surface of the needle 12 are separated by the ultrasonic waves and washed out, and the attachments are discharged from the cleaning pool connector 3 along with water flowing through the water outlet 16.

The cleaning time of the needle 12 is about 1 second to 2 seconds, the cleaning time interval is 6 seconds, the low-power ultrasonic transducer 9 can dissipate heat quickly, and the service life is not shortened due to poor heat dissipation.

Although one or more embodiments of the present utility model have been described above, it will be appreciated by those of ordinary skill in the art that the utility model can be embodied in any other form without departing from the spirit or scope thereof. The above-described embodiments are therefore intended to be illustrative rather than limiting, and many modifications and substitutions will now be apparent to those of ordinary skill in the art without departing from the spirit and scope of the present utility model as defined in the appended claims.

Claims

1. The needle cleaning equipment is characterized by comprising a cleaning pool, an ultrasonic transducer and a flushing mechanism;

the ultrasonic transducer is arranged right below the cleaning pool.

2. The needle cleaning apparatus of claim 1, wherein the cleaning bath upper surface is provided with a downwardly concave recess; the bottom of the cleaning cavity is of an opening structure and is connected with an adapter part; the bottom of the switching part is contacted with the upper end face of the ultrasonic transducer, and the side part of the switching part is connected with a water outlet pipe.

3. The needle cleaning apparatus according to claim 1, wherein the cleaning tank further comprises a cleaning tank cover inserted into the groove, the cleaning tank cover is provided with a needle hole, an upper end of the cleaning cavity is positioned inside the cleaning tank cover, and the cleaning cavity corresponds to the needle hole; the cleaning channel is arranged in the cleaning pool cover, and penetrates through the side wall of the cleaning pool cover.

4. A needle cleaning apparatus according to claim 3, wherein the outer surface of the cleaning basin cover is fitted with a first O-ring and a second O-ring, the first O-ring and the second O-ring being positioned between the cleaning basin cover and the cleaning basin to form a seal.

5. The needle cleaning apparatus of claim 1, wherein the ultrasound transducer outer surface is sleeved with a third O-ring, and the third O-ring is located between the ultrasound transducer and the cleaning tank.

6. The needle cleaning apparatus of claim 1, wherein a platen is fixedly connected to the bottom of the cleaning tank, and a gasket is fixedly connected to the outer surface of the ultrasonic transducer and positioned below the platen.

7. The needle cleaning apparatus of claim 1, wherein the flushing mechanism further comprises a straight bore hose fitting, a cleaning tank fitting, and a water outlet pipe, the straight bore hose fitting being connected to the water inlet pipe, the cleaning tank fitting being connected to the water outlet pipe.

8. The needle cleaning apparatus of claim 7, wherein the straight bore hose connector and the cleaning tank connector are secured to the cleaning tank sidewall by a screw arrangement.

9. The needle cleaning apparatus of claim 7, wherein the cleaning tank adapter outer surface is sleeved with a fourth O-ring, and the fourth O-ring is located between the cleaning tank adapter and the cleaning tank.

10. Needle cleaning apparatus according to claim 1, characterized in that the distance between the upper end surface of the ultrasonic transducer and the needle tip of the needle to be cleaned is 3mm-5mm.