CN109201653B - Sample adding needle cleaning device - Google Patents
Sample adding needle cleaning device Download PDFInfo
- Publication number
- CN109201653B CN109201653B CN201811125778.XA CN201811125778A CN109201653B CN 109201653 B CN109201653 B CN 109201653B CN 201811125778 A CN201811125778 A CN 201811125778A CN 109201653 B CN109201653 B CN 109201653B
- Authority
- CN
- China
- Prior art keywords
- cleaning
- needle
- reinforced
- groove
- sample adding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 160
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000002699 waste material Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 238000012864 cross contamination Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003018 immunoassay Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The invention relates to a sample adding needle cleaning device, which is characterized by comprising the following components: the cleaning device comprises a shell, wherein an inner cavity is formed in the shell, the inner cavity is formed in one end of the shell, a cleaning groove is formed in the other end of the shell, an in-needle cleaning hole, an out-needle cleaning groove and a reinforced cleaning groove are formed in the cleaning groove, the in-needle cleaning hole is communicated with the inner cavity, the out-needle cleaning groove and the reinforced cleaning groove are protruded out of the bottom of the cleaning groove, and a liquid inlet pipe is arranged on the side wall of the reinforced cleaning groove. Compared with the cleaning device for the sample injection needle, the cleaning device for the sample injection needle can save one pump and corresponding matched parts by cleaning the inner wall and the outer wall of the needle simultaneously, and has simple software and hardware control mechanism.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a sample adding needle cleaning device of a chemiluminescent immunoassay analyzer.
Background
Sample needle cleaning is the most critical step in full-automatic chemiluminescence apparatus to ensure accurate results and prevent cross contamination, and is divided into conventional cleaning and intensified cleaning.
The common conventional cleaning mode is that the inner wall and the outer wall are simultaneously cleaned, the inner wall is quickly injected with cleaning liquid into the needle through the pump, and the outer wall is simultaneously injected with water through the other pump to the spray head arranged on the cleaning chamber for cleaning. The two pumps are arranged, so that the structure is complex, the production cost is high, and meanwhile, the software and hardware control mechanism is relatively complex.
For the items with strong pollution, such as infectious diseases, the enhanced cleaning is needed to be added for thorough cleaning, the enhanced cleaning liquid is NaOH solution with the concentration of 0.1mol, the enhanced cleaning liquid is sucked by the needle, then the inner wall and the outer wall are soaked, and protein substances adhered on the needle are destroyed by NaOH. However, the conventional cleaning area and the enhanced cleaning area are relatively easy to cause cross contamination.
Disclosure of Invention
The technical scheme adopted for solving the technical problems is as follows: a sample addition needle cleaning device, comprising: the cleaning device comprises a shell, wherein an inner cavity is formed in the shell, the inner cavity is formed in one end of the shell, a cleaning groove is formed in the other end of the shell, an in-needle cleaning hole, an out-needle cleaning groove and a reinforced cleaning groove are formed in the cleaning groove, the in-needle cleaning hole is communicated with the inner cavity, the out-needle cleaning groove and the reinforced cleaning groove are protruded out of the bottom of the cleaning groove, and a liquid inlet pipe is arranged on the side wall of the reinforced cleaning groove.
Further improved is that the top end of the side wall of the reinforced cleaning tank is higher than the top end of the side wall of the needle outer cleaning tank.
The further improvement is that the side wall of the reinforced cleaning tank is provided with an overflow groove.
The two overflow grooves are arranged oppositely.
The height of the bottom of the overflow groove is not lower than the top of the side wall of the needle outer cleaning groove.
In a further improvement, the number of the cleaning holes in the needle is three.
The cleaning holes in the needle are waist-shaped holes.
The improved structure is characterized in that the opening end of the inner cavity of the shell is connected with a connecting seat, and the connecting seat is provided with a waste liquid port communicated with the inner cavity.
The beneficial effects of the invention are as follows:
compared with the cleaning device for the sample injection needle, the cleaning device for the sample injection needle can save one pump and corresponding matched parts by cleaning the inner wall and the outer wall of the needle simultaneously, and has simple software and hardware control mechanism.
Compared with the mode of cleaning the outer wall by using the spray head, the sample adding needle cleaning device provided by the invention has the advantages that the phenomenon of hanging the needle tip caused by cleaning the spray head can be avoided, and the requirements on the speed of the pump and the flow rate of the cleaning liquid are not high.
According to the sample adding needle cleaning device provided by the invention, the height difference exists between the conventional cleaning area and the reinforced cleaning area, so that cross contamination of the conventional cleaning area and the reinforced cleaning area can be avoided.
The sample adding needle cleaning device provided by the invention has a compact structure, and the conventional cleaning and the intensified cleaning of the sample adding needle can be completely completed under the condition of small displacement, so that the whole test period can be shortened.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view showing the structure of a sample needle cleaning apparatus according to the present invention;
FIG. 2 is a cross-sectional view of the sample needle cleaning apparatus of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the invention will be understood by those skilled in the art according to the specific circumstances.
As shown in fig. 1 and 2, the present invention provides a sample injection needle cleaning apparatus, which includes: the waste liquid collecting device comprises a shell 1, wherein an inner cavity 11 is formed in the shell 1, the inner cavity 11 is formed in one end of the shell 1 and is used for collecting waste liquid, a cleaning groove 12 is formed in the other end of the shell 1, an in-needle cleaning hole 2, an out-needle cleaning groove 3 and an enhanced cleaning groove 4 are formed in the cleaning groove 12, the in-needle cleaning hole 2 is communicated with the inner cavity 11, and the out-needle cleaning groove 3 and the enhanced cleaning groove 4 are protruded out of the bottom of the cleaning groove 12.
When the inner wall of the sample injection needle 100 is cleaned, the sample injection needle is moved to the center of the cleaning hole 2 in the needle and inserted into the hole, the pump is turned on to directly wash the inner wall of the needle, and the cleaning liquid sprayed from the needle is directly injected into the cleaning hole 2 in the needle and flows into the inner cavity 11 to be pumped away.
When the outer wall of the sample adding needle is cleaned, the sample adding needle moves to the center of the outer cleaning tank 3 and is inserted a certain distance, the pump is opened to form a vortex in the outer cleaning tank 3 through the cleaning solution sprayed by the sample adding needle, the outer wall is further washed, the inner wall of the sample adding needle is further washed, and the waste liquid overflowed from the outer cleaning tank 3 flows into the inner cavity 11 through the inner cleaning hole 2 and is pumped away.
When the reinforced cleaning of the sample adding needle is carried out, the side wall of the reinforced cleaning tank 4 is provided with a liquid inlet pipe 41, the reinforced cleaning pump is turned on when the sample adding needle moves to the upper part of the reinforced cleaning tank 4, reinforced cleaning liquid is injected through the liquid inlet pipe 41, the injected reinforced cleaning liquid volume is larger than the maximum volume of the reinforced cleaning tank 4, excessive liquid flows out, then the sample adding needle descends and sucks a certain amount of reinforced cleaning liquid, and then the reinforced cleaning liquid moves upwards to the cleaning hole 2 in the needle and is sprayed out.
Further improved, the top end of the side wall of the reinforced cleaning tank 4 is higher than the top end of the side wall of the needle-out cleaning tank 3.
Further, an overflow groove 42 is formed on the side wall of the reinforced cleaning tank 4. The volume of the intensified cleaning liquid injected into the intensified cleaning tank 4 is larger than the maximum volume of the round hole, and the excessive liquid flows out along the overflow groove 42 and is discharged through the cleaning hole 2 in the needle, so that the excessive liquid cannot overflow into the cleaning tank 3 outside the needle, and pollution is caused.
Further, two overflow grooves 42 are provided, and the two overflow grooves 42 are disposed opposite to each other.
Further, the height of the bottom 421 of the overflow groove 42 is not lower than the top of the side wall of the cleaning groove 3. The waste liquid overflowed from the reinforced cleaning tank 4 is prevented from polluting the needle-out cleaning tank 3.
In a further improvement, the number of the cleaning holes 2 in the needle is three. For improving the discharge speed of the waste liquid.
In a further improvement, the cleaning holes 2 in the needle are waist-shaped holes.
In a further improvement, the open end of the inner cavity 11 of the shell 1 is connected with a connecting seat 5 through threads, and the connecting seat 5 is provided with a waste liquid port 51 communicated with the inner cavity 11. Thereby facilitating the discharge of waste liquid.
Compared with the cleaning device for the sample injection needle, the cleaning device for the sample injection needle can save one pump and corresponding matched parts by cleaning the inner wall and the outer wall of the needle simultaneously, and has simple software and hardware control mechanism.
Compared with the mode of cleaning the outer wall by using the spray head, the sample adding needle cleaning device provided by the invention has the advantages that the phenomenon of hanging the needle tip caused by cleaning the spray head can be avoided, and the requirements on the speed of the pump and the flow rate of the cleaning liquid are not high.
According to the sample adding needle cleaning device provided by the invention, the height difference exists between the conventional cleaning area and the reinforced cleaning area, so that cross contamination of the conventional cleaning area and the reinforced cleaning area can be avoided.
The sample adding needle cleaning device provided by the invention has a compact structure, and the conventional cleaning and the intensified cleaning of the sample adding needle can be completely completed under the condition of small displacement, so that the whole test period can be shortened.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (3)
1. A sample addition needle cleaning device, comprising: the cleaning device comprises a shell, wherein an inner cavity is formed in the shell, the inner cavity is opened at one end of the shell, a cleaning groove is formed in the other end of the shell, an in-needle cleaning hole, an out-needle cleaning groove and a reinforced cleaning groove are formed in the cleaning groove, the in-needle cleaning hole is communicated with the inner cavity, the out-needle cleaning groove and the reinforced cleaning groove are protruded out of the bottom of the cleaning groove, and a liquid inlet pipe is arranged on the side wall of the reinforced cleaning groove;
the top end of the side wall of the reinforced cleaning tank is higher than the top end of the side wall of the needle outer cleaning tank;
the side wall of the reinforced cleaning tank is provided with an overflow tank;
the number of the overflow grooves is two, and the two overflow grooves are oppositely arranged;
the bottom height of the overflow groove is not lower than the top height of the side wall of the needle outer cleaning groove;
the number of the cleaning holes in the needle is three;
when the inner wall of the sample adding needle is cleaned, the sample adding needle moves to the center of the cleaning hole in the needle and is inserted into the hole, the pump is turned on, the cleaning liquid directly washes the inner wall of the needle, and the cleaning liquid sprayed from the needle is directly injected into the cleaning hole in the needle and flows into the inner cavity to be pumped away;
when the outer wall of the sample adding needle is cleaned, the sample adding needle moves to the center of the outer cleaning tank and is inserted into the outer cleaning tank for a certain distance, the pump is started, the cleaning liquid sprayed by the sample adding needle forms a vortex in the outer cleaning tank so as to further flush the outer wall, the inner wall of the sample adding needle is further flushed, and the waste liquid overflowed from the outer cleaning tank flows into the inner cavity through the cleaning hole in the needle and is pumped out;
when the reinforced cleaning of the sample adding needle is carried out, the side wall of the reinforced cleaning tank is provided with a liquid inlet pipe, the reinforced cleaning pump is turned on when the sample adding needle moves to the upper part of the reinforced cleaning tank, reinforced cleaning liquid is injected through the liquid inlet pipe, the injected reinforced cleaning liquid volume is larger than the maximum volume of the reinforced cleaning tank, and excessive liquid flows out, then the sample adding needle descends and sucks a certain amount of reinforced cleaning liquid, and then moves upwards to the cleaning hole in the needle and then is sprayed out.
2. The sample addition needle cleaning apparatus according to claim 1, wherein the in-needle cleaning hole is a waist-shaped hole.
3. The sample addition needle cleaning device according to claim 1, wherein the opening end of the inner cavity of the shell is connected with a connecting seat, and the connecting seat is provided with a waste liquid port communicated with the inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125778.XA CN109201653B (en) | 2018-09-26 | 2018-09-26 | Sample adding needle cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125778.XA CN109201653B (en) | 2018-09-26 | 2018-09-26 | Sample adding needle cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109201653A CN109201653A (en) | 2019-01-15 |
| CN109201653B true CN109201653B (en) | 2023-12-26 |
Family
ID=64981578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811125778.XA Active CN109201653B (en) | 2018-09-26 | 2018-09-26 | Sample adding needle cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109201653B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877120A (en) * | 2019-04-10 | 2019-06-14 | 安图实验仪器(郑州)有限公司 | Sleeve needle suitable for magnetic bead cleaning system |
| CN110142262A (en) * | 2019-05-24 | 2019-08-20 | 中国科学院苏州生物医学工程技术研究所 | Liquid distributes needle cleaning device |
| CN110252741B (en) * | 2019-06-18 | 2020-09-04 | 珠海丽珠试剂股份有限公司 | Cleaning control method, device and system for sampling needle |
| CN112547699B (en) * | 2020-11-13 | 2022-04-12 | 苏州长光华医生物医学工程有限公司 | Avoid cleaning structure of sample needle hanging liquid |
| CN115290873B (en) * | 2022-07-20 | 2024-05-31 | 世纪一束(杭州)医学诊断科技有限公司 | Cleaning device and chemiluminescent immunoassay analyzer thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186194A (en) * | 1990-08-24 | 1993-02-16 | Olympus Optical Co., Ltd. | Probe washing vessel |
| WO1997003766A1 (en) * | 1995-07-14 | 1997-02-06 | Pasteur Sanofi Diagnostics | Apparatus and method for washing a pipette probe |
| CN103447268A (en) * | 2012-06-05 | 2013-12-18 | 北京普源精电科技有限公司 | Automatic sample feeder and needle bath thereof |
| CN204583791U (en) * | 2014-12-22 | 2015-08-26 | 嘉兴凯实生物科技有限公司 | One washes pin pond |
| CN205008327U (en) * | 2015-09-22 | 2016-02-03 | 安图实验仪器(郑州)有限公司 | Sample needle belt cleaning device |
| CN205496146U (en) * | 2016-03-31 | 2016-08-24 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analytical equipment and sampling needle belt cleaning device |
| CN208944761U (en) * | 2018-09-26 | 2019-06-07 | 苏州长光华医生物医学工程有限公司 | A kind of sample needle cleaning device |
-
2018
- 2018-09-26 CN CN201811125778.XA patent/CN109201653B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186194A (en) * | 1990-08-24 | 1993-02-16 | Olympus Optical Co., Ltd. | Probe washing vessel |
| WO1997003766A1 (en) * | 1995-07-14 | 1997-02-06 | Pasteur Sanofi Diagnostics | Apparatus and method for washing a pipette probe |
| CN103447268A (en) * | 2012-06-05 | 2013-12-18 | 北京普源精电科技有限公司 | Automatic sample feeder and needle bath thereof |
| CN204583791U (en) * | 2014-12-22 | 2015-08-26 | 嘉兴凯实生物科技有限公司 | One washes pin pond |
| CN205008327U (en) * | 2015-09-22 | 2016-02-03 | 安图实验仪器(郑州)有限公司 | Sample needle belt cleaning device |
| CN205496146U (en) * | 2016-03-31 | 2016-08-24 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analytical equipment and sampling needle belt cleaning device |
| CN208944761U (en) * | 2018-09-26 | 2019-06-07 | 苏州长光华医生物医学工程有限公司 | A kind of sample needle cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109201653A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109201653B (en) | Sample adding needle cleaning device | |
| CN110434128B (en) | Sampling needle cleaning device and cleaning method | |
| CN112547699B (en) | Avoid cleaning structure of sample needle hanging liquid | |
| CN208944761U (en) | A kind of sample needle cleaning device | |
| CN217931689U (en) | Cleaning device and chemiluminescence immunoassay appearance thereof | |
| CN111604328A (en) | Negative pressure cleaning device for preventing sampling needle from hanging liquid | |
| CN215641318U (en) | Non-contact trace liquid transfer device and biochemical instrument | |
| CN209174523U (en) | A kind of liquid splashing prevention effect reagent needle cleaning device | |
| CN213856203U (en) | Biochemical reaction cup cleaning module and cleaning device | |
| CN215965292U (en) | Double-injection-pump sample injection cleaning device | |
| CN213856173U (en) | Simple biochemical reaction cup cleaning module and cleaning device | |
| CN206139591U (en) | Cleaning pool | |
| CN203061510U (en) | Needle cleaning tank | |
| CN218554911U (en) | Sampling needle cleaning device and medical equipment | |
| CN107716494A (en) | A kind of Laboratory Clean volumetric flask servicing unit | |
| CN104690044B (en) | A kind of active sampling probe preventing cross-contamination cleans device and cleaning method | |
| CN206763485U (en) | Homogenizer duplex rinse bath | |
| CN209715942U (en) | Sleeve needle suitable for magnetic bead cleaning system | |
| CN208527448U (en) | A kind of cleaning swab | |
| CN208466744U (en) | Sample introduction needle cleaning device | |
| CN204657034U (en) | A kind of active sampling probe cleaning device preventing cross pollution | |
| CN215940828U (en) | Sample needle outer wall belt cleaning device | |
| CN220901306U (en) | Needle washing structure and automatic sampling equipment | |
| CN115290873B (en) | Cleaning device and chemiluminescent immunoassay analyzer thereof | |
| CN216323900U (en) | Sampling tube washs pond |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |