CN112108461A - Probe cleaning device and method - Google Patents
Probe cleaning device and method Download PDFInfo
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- CN112108461A CN112108461A CN202010920306.4A CN202010920306A CN112108461A CN 112108461 A CN112108461 A CN 112108461A CN 202010920306 A CN202010920306 A CN 202010920306A CN 112108461 A CN112108461 A CN 112108461A
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- cleaning
- probe
- flow channel
- liquid inlet
- liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The invention discloses a probe cleaning device and a method, wherein the probe cleaning device comprises a shell; the top end of the shell is provided with a cleaning tank, a cleaning flow channel communicated with the cleaning tank is arranged in the shell, and the bottom of the shell is provided with a liquid outlet communicated with the cleaning flow channel; the side part of the shell is provided with more than one liquid inlet, the liquid inlet is communicated with the cleaning flow channel and distributed in the tangential or eccentric direction of the cleaning flow channel, a liquid inlet channel of the liquid inlet is in an inclined state, and the liquid inlet end is higher than the liquid outlet end; more than one overflow port is arranged in the cleaning tank, and the lower end of the overflow port is communicated with the liquid discharge port. According to the probe cleaning device and method, the cleaning liquid forms a vortex shape in the cleaning flow channel, so that the outer wall and the needle point of the probe are effectively cleaned under the high-speed rotation state of the cleaning liquid, the probability of pollution carried by the outer wall is reduced, and cross contamination among different reagents or samples is avoided. In addition, the using amount of the cleaning solution is reduced, and the detection and analysis cost is reduced.
Description
Technical Field
The invention relates to the technical field of medical detection instruments, in particular to a probe cleaning device and a probe cleaning method.
Background
In medical detection instruments such as medical immunoassays, probes are used to transport reagents or samples for testing. In order to avoid the contamination of the reagent or sample carried by the needle to other reagents or samples, which may result in a test failure, the instrument is usually cleaned after each reagent or sample transfer operation.
Generally, the reagent or sample is stored in a container with a protective film, and when the probe descends to suck the reagent or sample, the reagent or sample contacts with the protective film, and during the probe liquid suction process, the outer wall needle point and the inner wall directly contact with the reagent or sample, and if the reagent or sample is not cleaned cleanly, the reagent or sample can be cross-contaminated among different tests.
For this situation, a cleaning device is usually used to clean the outer wall of the probe, and the most common method is to clean the outer wall of the probe with a large amount of cleaning liquid and a slow flow rate of cleaning liquid. However, the above-mentioned probe cleaning method has disadvantages in that the cleaning effect of the slow flow rate on the outer wall of the probe is insignificant due to the large difference in the composition of the reagents or samples, and the probe is difficult to be effectively cleaned due to time limitation, and the risk of cross-contamination between different reagents or samples is high. In addition, the amount of the cleaning solution is large, which also causes excessive waste of the cleaning solution and increases the cost of detection and analysis.
Disclosure of Invention
The invention provides a probe cleaning device and a probe cleaning method, aiming at the technical problems of slow flow rate of cleaning liquid, poor cleaning effect and large cleaning liquid amount of the existing cleaning device.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention firstly provides a probe cleaning device, which comprises a shell; the top end of the shell is provided with a cleaning tank, a cleaning flow channel communicated with the cleaning tank is arranged in the shell, and the bottom of the shell is provided with a liquid outlet communicated with the cleaning flow channel; the side part of the shell is provided with more than one liquid inlet, the liquid inlet is communicated with the cleaning flow channel and distributed in the tangential or eccentric direction of the cleaning flow channel, a liquid inlet channel of the liquid inlet is in an inclined state, and the liquid inlet end is higher than the liquid outlet end; more than one overflow port is arranged in the cleaning tank, and the lower end of the overflow port is communicated with the liquid discharge port.
Furthermore, the main body of the cleaning flow channel is cylindrical, a contraction flow channel is arranged at the lower end of the main body, and the contraction flow channel is connected with the liquid outlet.
Furthermore, the cleaning flow channel is arranged at the center of the cleaning tank and used for inserting and cleaning the probe.
Furthermore, a first liquid inlet and a second liquid inlet are respectively formed in two sides of the shell, and the first liquid inlet and the second liquid inlet are respectively communicated with the cleaning flow channel.
Further, the first liquid inlet is parallel to the axis of the second liquid inlet.
Furthermore, a first overflow port and a second overflow port are symmetrically arranged on two sides in the cleaning tank.
Further, the cross section of the first overflow port and the second overflow port is waist-shaped.
Further, the first overflow port and the second overflow port are parallel to the cleaning flow channel.
Furthermore, the upper end surfaces of the first overflow port and the second overflow port are slightly lower than the upper end of the cleaning flow channel, and the lower ends of the first overflow port and the second overflow port are connected with the liquid discharge port.
The invention also provides a probe cleaning method, which adopts the probe cleaning device and comprises the following steps:
s1, inserting the probe into the cleaning flow channel to enable the needle point to be positioned at the lower end of the necking of the cleaning flow channel, discharging cleaning liquid from the liquid inlet, and cleaning the outer wall of the probe;
s2, continuously discharging the cleaning solution from the liquid inlet, slowly lifting the probe to the position of the liquid inlet, and cleaning the probe tip;
and S3, slowly lifting the probe until the probe is separated from the liquid level.
Compared with the prior art, the invention has the beneficial effects that:
according to the probe cleaning device and method, the liquid inlet is distributed in the tangential or eccentric direction of the cleaning flow channel, the liquid inlet channel of the liquid inlet is in an inclined state, the liquid inlet end is higher than the liquid outlet end, so that cleaning liquid forms a vortex shape in the cleaning flow channel, the outer wall of the probe is cleaned under the high-speed rotation state of the cleaning liquid, the outer wall and the needle point of the probe are effectively cleaned, the probability of carrying pollution on the outer wall is reduced, and cross pollution among different reagents or samples is avoided. In addition, the probe can be cleaned by adopting small flow and high flow speed, the using amount of the cleaning liquid is reduced, the excessive waste of the cleaning liquid is avoided, and the detection and analysis cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a sectional view of a probe cleaning apparatus according to an embodiment of the present invention.
Fig. 2 is a top view of a probe cleaning apparatus according to an embodiment of the present invention.
Fig. 3 is a flowchart of a probe cleaning method according to an embodiment of the present invention.
Description of reference numerals:
1. cleaning flow channel, 2, first inlet, 3, second inlet, 4, leakage fluid dram, 5, first overflow mouth, 6, second overflow mouth, 7, casing, 8, washing tank.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, a probe cleaning apparatus according to the present invention includes a housing 7; a cleaning groove 8 is formed in the top end of the shell 7, a cleaning flow channel 1 communicated with the cleaning groove 8 is formed in the shell 7, and a liquid outlet 4 communicated with the cleaning flow channel 1 is formed in the bottom of the shell 7; more than one inlet has been seted up to the lateral part of casing 7, the inlet communicates with each other with wasing runner 1, and inlet channel distributes on wasing the tangent line or the eccentric direction of runner 1, the inlet channel of inlet is the tilt state, and the inlet end is higher than the liquid outlet end, set up more than one overflow mouth in the washing tank 8, the lower extreme and the leakage fluid dram 4 of overflow mouth communicate with each other. When a plurality of liquid inlets exist, the liquid inlets can be at the same height or different heights in the height direction; the angles of the liquid inlet channels can be the same or different, and the liquid inlet channels can be symmetrically distributed along the central axis or asymmetrically distributed.
Specifically, the main body of the cleaning flow channel 1 is cylindrical, a contraction flow channel is arranged at the lower end of the main body, and the contraction flow channel is connected with the liquid outlet 4. The cleaning flow channel 1 is arranged in the center of the cleaning tank 8 and is used for inserting and cleaning the probe. The two sides of the shell 7 are respectively provided with a first liquid inlet 2 and a second liquid inlet 3, and the first liquid inlet 2 and the second liquid inlet 3 are respectively communicated with the cleaning flow channel 1. The first liquid inlet 2 is parallel to the axis of the second liquid inlet 3. The cleaning liquid washes the inserted probe through the first liquid inlet 2 and the second liquid inlet 3.
A first overflow port 5 and a second overflow port 6 are symmetrically arranged on two sides in the cleaning tank 8. The first overflow port 5 and the second overflow port 6 are waist-shaped in cross section. The first overflow port 5 and the second overflow port 6 are parallel to the cleaning flow channel 1. The upper end surfaces of the first overflow port 5 and the second overflow port 6 are slightly lower than the upper end of the cleaning flow channel 1 and are used for storing overflow cleaning liquid, and the lower ends of the first overflow port and the second overflow port are connected with the liquid discharge port 4 and are used for discharging cleaning liquid stored in the overflow channel.
According to the probe cleaning device, the cleaning liquid can be in a high-speed rotating state in the cleaning flow channel according to the structural characteristics of the designed cleaning flow channel and the first liquid inlet and the second liquid inlet, and when the probe is inserted into the cleaning flow channel for cleaning, the impact force generated by the cleaning liquid rotating at high speed can effectively clean the residual reagent or sample on the outer wall; through the design that the cleaning flow channel is communicated with the liquid outlet, the inner wall and the outer wall can be cleaned simultaneously, so that the cleaning time is saved to a great extent; through the design of the contraction flow channel at the lower end of the cleaning flow channel, a certain amount of cleaning liquid can be remained in the cleaning flow channel within a certain time, when the cleaning liquid amount is larger than the capacity of the cleaning flow channel, redundant cleaning liquid can overflow along the upper end of the cleaning flow channel and is discharged along the overflow port, so that when the probe is separated from the liquid after cleaning, the probe tip can be ensured not to hang liquid; through the characteristic design of first overflow mouth, second overflow mouth, can effectually discharge out belt cleaning device with the washing waste liquid.
As shown in fig. 3, a probe cleaning method according to the present invention employs the probe cleaning apparatus described above, and includes the steps of:
s1, inserting the probe into the cleaning flow channel 1 to enable the needle point to be positioned at the lower end of the necking of the cleaning flow channel, discharging cleaning liquid from the first liquid inlet 2 and the second liquid inlet 3, and cleaning the outer wall of the probe;
s2, continuously discharging the cleaning solution from the first liquid inlet 2 and the second liquid inlet 3, slowly lifting the probe to the positions of the first liquid inlet 2 and the second liquid inlet 3, and cleaning the tip of the probe;
and S3, slowly lifting the probe until the probe is separated from the liquid level.
Adopt above-mentioned probe belt cleaning device to carry out probe and wash, set up first inlet 2, second inlet 3 on through wasing runner 1, make the washing liquid form the vortex form in wasing runner 1, under the high-speed rotation state of washing liquid, wash the probe outer wall, make probe outer wall and needle point obtain effectual washing, reduce outer wall contamination carrying's probability. At the moment, the inner wall of the probe can be cleaned simultaneously, the cleaning waste liquid of the inner wall is discharged along the contraction port of the cleaning flow channel, and when the cleaning liquid amount in the cleaning flow channel exceeds the capacity of the cleaning flow channel, the cleaning liquid is discharged along the first overflow port and the second overflow port. When the cleaning is nearly finished, a certain amount of cleaning liquid can be remained in the cleaning flow channel, and the probe is separated from the cleaning liquid level, so that the liquid hanging phenomenon on the surface of the probe is reduced.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A probe cleaning device, characterized by comprising a housing (7); a cleaning groove (8) is formed in the top end of the shell (7), a cleaning flow channel (1) communicated with the cleaning groove (8) is formed in the shell (7), and a liquid discharge port (4) communicated with the cleaning flow channel (1) is formed in the bottom of the shell (7); more than one liquid inlet is formed in the side part of the shell (7), the liquid inlet is communicated with the cleaning flow channel (1) and distributed in the tangential or eccentric direction of the cleaning flow channel (1), a liquid inlet channel of the liquid inlet is in an inclined state, and the liquid inlet end is higher than the liquid outlet end; more than one overflow port is arranged in the cleaning tank (8), and the lower end of the overflow port is communicated with the liquid discharge port (4).
2. The probe cleaning device according to claim 1, wherein the main body of the cleaning flow channel (1) is cylindrical, and a constricted flow channel is provided at the lower end, and the constricted flow channel is connected to the liquid discharge port (4).
3. The probe cleaning apparatus according to claim 1, wherein the cleaning flow path (1) is provided at the center of the cleaning tank (8) for probe insertion cleaning.
4. The probe cleaning device according to claim 1, wherein a first liquid inlet (2) and a second liquid inlet (3) are respectively formed on two sides of the housing (7), and the first liquid inlet (2) and the second liquid inlet (3) are respectively communicated with the cleaning flow channel (1).
5. The probe cleaning device according to claim 4, wherein the first liquid inlet (2) is axially parallel to the second liquid inlet (3).
6. The probe cleaning device according to claim 1, wherein the cleaning tank (8) is symmetrically provided with a first overflow port (5) and a second overflow port (6) at two sides.
7. The probe cleaning device according to claim 6, characterized in that the first overflow opening (5) and the second overflow opening (6) are waist-shaped in cross-section.
8. The probe cleaning device according to claim 6, characterized in that the first overflow opening (5) and the second overflow opening (6) are parallel to the cleaning flow channel (1).
9. The probe cleaning device according to claim 6, wherein the upper end surfaces of the first overflow port (5) and the second overflow port (6) are slightly lower than the upper end of the cleaning flow channel (1), and the lower ends are connected with the liquid discharge port (4).
10. A probe cleaning method, characterized by using the probe cleaning apparatus according to any one of claims 1 to 9, and comprising the steps of:
s1, inserting the probe into the cleaning flow channel to enable the needle point to be positioned at the lower end of the reducing opening of the cleaning flow channel (1), discharging cleaning liquid from the liquid inlet, and cleaning the outer wall of the probe;
s2, continuously discharging the cleaning solution from the liquid inlet, slowly lifting the probe to the position of the liquid inlet, and cleaning the probe tip;
and S3, slowly lifting the probe until the probe is separated from the liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010920306.4A CN112108461A (en) | 2020-09-04 | 2020-09-04 | Probe cleaning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010920306.4A CN112108461A (en) | 2020-09-04 | 2020-09-04 | Probe cleaning device and method |
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| Publication Number | Publication Date |
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| CN112108461A true CN112108461A (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010920306.4A Pending CN112108461A (en) | 2020-09-04 | 2020-09-04 | Probe cleaning device and method |
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| CN (1) | CN112108461A (en) |
Citations (9)
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|---|---|---|---|---|
| CN2684952Y (en) * | 2004-03-05 | 2005-03-16 | 上海艾诺电子有限公司 | Cleaning system for biochemical analysis instrument |
| CN102218418A (en) * | 2010-04-14 | 2011-10-19 | 深圳迈瑞生物医疗电子股份有限公司 | Sampling needle cleaning method and device |
| CN104107815A (en) * | 2013-04-16 | 2014-10-22 | 深圳迈瑞生物医疗电子股份有限公司 | Cleaning device of sampling needle, cleaning method of sampling needle and sample analyzing device |
| CN205362126U (en) * | 2015-12-14 | 2016-07-06 | 重庆南方数控设备有限责任公司 | Sampling needle washs ware |
| CN206435545U (en) * | 2016-12-01 | 2017-08-25 | 深圳市东邦生物医疗技术有限公司 | A kind of suction needle purging system |
| CN108554941A (en) * | 2018-06-06 | 2018-09-21 | 苏州长光华医生物医学工程有限公司 | Needle device is washed in a kind of layering |
| CN109622482A (en) * | 2018-11-13 | 2019-04-16 | 迪瑞医疗科技股份有限公司 | Probe rinse bath, Biochemical Analyzer and the probe cleaning method of Biochemical Analyzer |
| CN210411723U (en) * | 2019-07-30 | 2020-04-28 | 香港大德昌龙生物科技有限公司 | Cleaning device |
| CN213349971U (en) * | 2020-09-04 | 2021-06-04 | 迪瑞医疗科技股份有限公司 | Probe cleaning device |
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2020
- 2020-09-04 CN CN202010920306.4A patent/CN112108461A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2684952Y (en) * | 2004-03-05 | 2005-03-16 | 上海艾诺电子有限公司 | Cleaning system for biochemical analysis instrument |
| CN102218418A (en) * | 2010-04-14 | 2011-10-19 | 深圳迈瑞生物医疗电子股份有限公司 | Sampling needle cleaning method and device |
| CN104107815A (en) * | 2013-04-16 | 2014-10-22 | 深圳迈瑞生物医疗电子股份有限公司 | Cleaning device of sampling needle, cleaning method of sampling needle and sample analyzing device |
| CN205362126U (en) * | 2015-12-14 | 2016-07-06 | 重庆南方数控设备有限责任公司 | Sampling needle washs ware |
| CN206435545U (en) * | 2016-12-01 | 2017-08-25 | 深圳市东邦生物医疗技术有限公司 | A kind of suction needle purging system |
| CN108554941A (en) * | 2018-06-06 | 2018-09-21 | 苏州长光华医生物医学工程有限公司 | Needle device is washed in a kind of layering |
| CN109622482A (en) * | 2018-11-13 | 2019-04-16 | 迪瑞医疗科技股份有限公司 | Probe rinse bath, Biochemical Analyzer and the probe cleaning method of Biochemical Analyzer |
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| CN213349971U (en) * | 2020-09-04 | 2021-06-04 | 迪瑞医疗科技股份有限公司 | Probe cleaning device |
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Application publication date: 20201222 |
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