CN208627927U - Specimen needle cleaning device - Google Patents
Specimen needle cleaning device Download PDFInfo
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- CN208627927U CN208627927U CN201820556459.3U CN201820556459U CN208627927U CN 208627927 U CN208627927 U CN 208627927U CN 201820556459 U CN201820556459 U CN 201820556459U CN 208627927 U CN208627927 U CN 208627927U
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Abstract
The utility model relates to the field of medical instrument technology, more particularly to a kind of specimen needle cleaning device.A kind of specimen needle cleaning device, including cleaning core and shell, the cleaning core is connect with the shell, inner flow passage is offered in the shell, the cleaning runner to place sample needle is offered on the cleaning core, and be connected with the cleaning runner it is multiple to by wash liquid stream to the cleaning hole of the sample needle, the cleaning runner is connected to the inner flow passage, the multiple cleaning hole compartment of terrain is set to the circumferential direction of the cleaning core, and straight line where the axis in the cleaning hole and the straight line where the cleaning runner axis are different surface beeline.Utility model has the advantages that structure is simple, and in specimen needle cleaning process, the outer wall hanging liquid phenomenon of specimen needle can be eliminated, measuring accuracy is improved.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly to a kind of specimen needle cleaning device.
Background technique
In IVD (In-Vitro Diagnostics, in-vitro diagnosis) industry, when adding sample or reagent, generally
The mode for taking sample needle to be loaded carries out.During sample-adding, other samples or reagent may be adhered on sample needle, thus
Cause to occur carrying pollution in machine system.Therefore, it needs to implement sample needle thoroughly cleaning before sample-adding.
Currently, most of clean sample needle using waterfall type and the alternate cleaning way of gas-liquid.It was cleaned in waterfall type
Cheng Zhong, when cleaning is close to end point, cleaning fluid volume is reduced, and cleaning solution is caused to be adsorbed on the outer wall of sample needle, formed plus
The outer wall hanging liquid phenomenon of sample, is contaminated to will lead to the change of needle sample-adding amount, sample or reagent, finally influences measuring accuracy.It adopts
With the alternate cleaning way of gas-liquid, it is first to clean sample needle using cleaning solution, is then blown away and be adsorbed on outside sample needle with gas again
The liquid of wall.Although this mode, it can eliminate and hang liquid phenomenon, it needs a set of liquid channel system and a set of air-channel system, from
And makes cleaning device structure is complicated, increased costs.
Utility model content
Based on this, it is necessary in view of the above technical problems, it is simple to provide a kind of structure, and the outer wall hanging of specimen needle can be eliminated
Liquid improves the specimen needle cleaning device of measuring accuracy.
In order to achieve the above objectives, the utility model uses a kind of following technical proposal: specimen needle cleaning device, including clear
Core and shell are washed, the cleaning core is connect with the shell, and inner flow passage is offered in the shell, is opened up on the cleaning core
Have a cleaning runner to place sample needle, and be connected with the cleaning runner it is multiple to by wash liquid stream to described
The cleaning hole of sample needle, the cleaning runner are connected to the inner flow passage, and the multiple cleaning hole compartment of terrain is set to the cleaning
The circumferential direction of core, straight line where the axis in the cleaning hole and the straight line where the cleaning runner axis are different surface beeline.
In this application, during the cleaning of this specimen needle cleaning device, at the end of cleaning, cleaning solution injection is reduced, this
When, the cleaning solution water note cleaned in hole becomes smaller, and due to straight line and the cleaning runner axis where the axis in the cleaning hole
The straight line at place is different surface beeline, it may be assumed that the axis of the cleaning solution flowed out from the cleaning hole and the cleaning runner is different
Face, thus, so that the cleaning solution cleaned in hole is no longer contacted with the outer wall of specimen needle, and then avoids cleaning at the end of cleaning is fast
Liquid is attached on the outer wall of specimen needle, eliminates the outer wall hanging liquid phenomenon of specimen needle, when to avoid influencing to use sample using the specimen needle,
Reduce measuring accuracy.
The cleaning hole has 2-14 as a further improvement of the utility model, 2-14 cleaning hole circumference
It is evenly distributed in the circumferential direction of the cleaning core.
The cleaning runner has vertical line PN as a further improvement of the utility model, and the vertical line PN is perpendicular to institute
The angle of straight line is α where the axis in straight line where stating the axis of cleaning runner, the vertical line PN and the cleaning hole, the α
Range are as follows: 30 degree -60 degree.
Straight line where the axis in the cleaning hole and the cleaning runner as a further improvement of the utility model,
The distance between straight line where axis is h, the range of the h are as follows: 0.2mm-2mm.
The axis of the cleaning runner is overlapped with the axis of the inner flow passage as a further improvement of the utility model, sets
It sets.
The installation to install the cleaning core is offered on the shell as a further improvement of the utility model,
Chamber, and be connected to the installation cavity with the inlet opening for entering the installation cavity for cleaning solution, the installation cavity passes through institute
Cleaning hole is stated to be connected to the cleaning runner.
The cleaning core includes the first end and second end being oppositely arranged as a further improvement of the utility model,
The multiple cleaning hole is opened in the first end of the cleaning core, and the first end of the cleaning core is mounted in the installation cavity,
And it is sealed between the inner wall of the installation cavity.
Throttle orifice is also provided on the shell as a further improvement of the utility model, the throttle orifice is located at institute
It states between installation cavity and the inlet opening, and will be mutually connected between the installation cavity and the inlet opening by the throttle orifice
Logical, the aperture of the throttle orifice is less than the aperture of the inlet opening.
The axis of the throttle orifice is overlapped with the axis of the inlet opening and sets as a further improvement of the utility model,
It sets, and is vertically arranged with the axis of the installation cavity.
The specimen needle cleaning device includes power device as a further improvement of the utility model, the power dress
It sets to siphon away and be discharged the cleaning solution of the inner flow passage.
Compared with prior art, during the cleaning of this specimen needle cleaning device, at the end of cleaning, cleaning solution note is reduced
Enter, at this point, the cleaning solution water note in cleaning hole becomes smaller, and due to straight line and the cleaning runner where the axis in the cleaning hole
Straight line where axis is different surface beeline, it may be assumed that the axis of the cleaning solution flowed out from the cleaning hole and the cleaning runner
Line antarafacial, thus, so that the cleaning solution cleaned in hole is no longer contacted with the outer wall of specimen needle, and then is avoided at the end of cleaning is fast
Cleaning solution is attached on the outer wall of specimen needle, eliminates the outer wall hanging liquid phenomenon of specimen needle, to avoid influencing to use using the specimen needle
When sample, the examination precision of survey is reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of specimen needle cleaning device provided by the utility model；
Fig. 2 is the structural schematic diagram of cleaning core provided by the utility model；
Fig. 3 is the vertical view figure structure schematic representation of cleaning core provided by the utility model.
In figure, specimen needle cleaning device 100, specimen needle 101, cleaning core 10, the first end 11 for cleaning core, cleaning core the
Runner 13, cleaning hole 14, shell 20, the first end 201 of shell, the second end of shell 202, installation cavity 21, interior stream are washed in two ends 12
Road 22, inlet opening 23, throttle orifice 24.
Specific embodiment
The utility model will be described more fully below for the ease of understanding the utility model,.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to make the understanding of the disclosure of the utility model more thorough and comprehensive.
It should be noted that it can be directly on another component when component is referred to as " being installed in " another component
Or there may also be components placed in the middle.When a component is considered as " being set to " another component, it, which can be, is directly set
Set on another component or may be simultaneously present component placed in the middle.When a component is considered as " being fixed on " another group
Part, it, which can be, is directly anchored on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Herein in the term used in the description of specimen needle cleaning device
It is the purpose in order to describe specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein
Including any and all combinations of one or more related listed items.
Refering to fig. 1, the utility model provides a kind of specimen needle cleaning device 100, and the specimen needle cleaning device 100 is to clear
The outer wall of specimen needle 101 is washed, to avoid testing progress when being tested using the specimen needle 101 sampling.The specimen needle
101 include sample needle, using needle, injection needle etc..In the present embodiment, the specimen needle 100 is sample needle.
Refering to fig. 1 and Fig. 2, the specimen needle cleaning device 100 include cleaning core 10 and shell 20.The cleaning core 10
It is connected to the shell 20.The cleaning core 10 is to clean the specimen needle 101.
The cleaning core 10 modes such as is connected through a screw thread, snaps connection, being bolted and connecting with the shell 20.It can be with
Understand, the cleaning core 10 modes such as is connected through a screw thread, snaps connection, being bolted and connecting with the shell 20, institute
The dismounting for stating cleaning core 10 is very convenient, thus in order to the replacement and cleaning of the cleaning core 10.Preferably, in this implementation
In mode, the mode that the cleaning core 10 is connected through a screw thread is connect with the shell 20.
Referring to Fig.2, the cleaning core 10 is general " t "-shaped, the cleaning core 10 include the first end 11 that is oppositely arranged with
And second end 12, the first end 11 of the cleaning core is connect with the shell 20, and is located at the inside of the shell 20, described clear
The second end 12 for washing core is located at the outside of the shell 20.It offers on the cleaning core 10 to place the sample needle 101
Cleaning runner 13 and multiple cleaning holes 14.The cleaning hole 13 has axis X 1, vertical line PN.The vertical line PN perpendicular to
Straight line where the axis X 1 of the cleaning runner.The cleaning hole 14 is connected to setting with the cleaning runner 13, with for clear
Washing lotion flows into the cleaning runner 13, cleans the sample needle 101.
Further, the cleaning runner 13 runs through the cleaning core from first end 11 to the second end 12 of the cleaning core
10。
The multiple cleaning hole 14 is provided close to the first end 11 of the cleaning core, and the multiple cleaning hole 14 is circumferentially-spaced
Ground is set on the cleaning core 10.The cleaning hole 14 has axis X 2, the 2 place straight line of axis X in the cleaning hole 14 and institute
The 1 place straight line of axis X for stating cleaning runner 13 is different surface beeline so that from the cleaning hole 14 the cleaning solution water column that flows out with
1 antarafacial of axis X of the cleaning runner 13, at the end of cleaning, stop during cleaning specimen needle 101
Inject cleaning solution, it is described cleaning hole 14 in cleaning solution water note becomes smaller so that cleaning hole 14 in cleaning solution no longer with specimen needle
101 outer wall contact, and then avoid specimen needle 101 withdraw from cleaning runner 13 during cleaning solution be attached to specimen needle 101
On outer wall, to influence measuring accuracy when detecting using the specimen needle 101 using sample.
It is worth explaining, the cleaning hole flowed out from the cleaning hole 14 through pressure that cleaning solution water column refers to is with water column side
The outer wall of formula flushing specimen needle 101.The cleaning solution includes water, acidic liquid, neutral liquid, akaline liquid etc..
Refering to Fig. 3, further, the axis of the relatively described cleaning runner 13 of the 2 place straight line of axis X in the cleaning hole 14
Straight line eccentric setting where X1, it may be assumed that it is appreciated that the axis X 2 in the cleaning hole 14 and the axis X 1 of the cleaning runner 13 it
Between there is certain distance, if the axis X 2 in the cleaning hole 14 and the distance between the axis X 1 of the cleaning runner 13 are h, institute
State the range of h are as follows: 0.2mm-2mm.It is understood that can guarantee that the specimen needle 101 is inserted under the range of the h
The cleaning solution water note flowed out from the cleaning hole 14 when being cleaned in the cleaning runner 13 and the specimen needle 101
Outer wall contact, achievees the purpose that cleaning, and can guarantee at the end of cleaning, and the specimen needle 101 withdraws cleaning runner 13, becomes smaller
Cleaning solution water note no longer contacted with the outer wall of the specimen needle 101, eliminate the outer wall hanging liquid phenomenon of specimen needle, improve test essence
Degree.
Preferably, the range of the h are as follows: 0.25mm-0.85mm.In the present embodiment, the h=0.5mm.
The cleaning hole 14 has 2-10, is distributed in the cleaning core 10 to a 14 even circumferential of cleaning hole of 2-14
Circumferential direction.Preferably, the cleaning hole 14 has 4-10.In the present embodiment, the cleaning hole 14 has 8.Described 8
The outer wall for the first end 11 for being provided with the cleaning core to a cleaning 14 even circumferential of hole is circumferential.
There is angle α between 14 axis X of the cleaning hole, 2 place straight line and the vertical line PN.Further, the α
Range is 30 degree of -60 degree.Preferably, α=45 degree.
Refering to fig. 1, the shell 20 has the first end 201 and second end 202 being oppositely arranged.It is opened on the shell 20
Equipped with installation cavity 21, inner flow passage 22 and inlet opening 23.The installation cavity 21 is connected to the inner flow passage 22, the inlet opening 23
It is connected to the installation cavity 21.The inner flow passage 22 is discharged with for cleaning solution.The inlet opening 23 is to input cleaning solution.
The installation cavity 21 is to install the cleaning core 10.The axis of the installation cavity 21 and the cleaning runner 13
Axis X 1 is overlapped setting.
The installation cavity 21 has inner wall, has internal screw thread on the inner wall of the installation cavity 21, described to clean the first of core
End 11 is equipped with external screw thread, and the internal screw thread matches with the external screw thread.The first end 11 of the cleaning core is mounted on described
In installation cavity 21, and interconnected by screw thread.
Preferably, it is tightly connected between the first end 11 of the cleaning core and the inner wall of the installation cavity 21.Specifically, institute
State the inner wall upper seal of installation cavity 21, the first end 11 of the cleaning core and the internal screw thread screw thread on 21 inner wall of installation cavity
Connection, and will be sealed between the first end 11 of the cleaning core and the inner wall of the installation cavity 21 by the sealing element.Preferably,
The sealing element includes sealing ring, sealing strip etc..
Further, while the first end 11 of the cleaning core is mounted in the installation cavity 21, the cleaning core
Second end 12 is exposed at the outside of the installation cavity 21, to as handle with facilitating the installation cleaning core 10.In other realities
It applies in example, the second end 12 of the cleaning core can be located at the installation cavity 21.The inner flow passage 22 from the shell
One end 201 is arranged to second end 202 through the shell 10.The cleaning runner 13 is connected to the inner flow passage 22, to make
It obtains the cleaned runner 13 of cleaning solution and has cleaned the specimen needle 101, the shell 10 then is discharged from the inner flow passage 22.Into one
Step ground, the axis of the inner flow passage 22 are overlapped setting with the axis X 1 of the cleaning runner 13.One end of the specimen needle 101 from
The cleaning runner 13 is inserted into the inner flow passage 22, is cleaned.
The inlet opening 23 is entered in the installation cavity 21 with for the cleaning solution.The axis of the inlet opening 23 and institute
The axis for stating inner flow passage 22 is vertically arranged, it may be assumed that it is appreciated that the axis of the axis of the inlet opening 23 and the installation cavity 21,
The axis of the cleaning runner X2 is vertically arranged.
In other embodiments, to connect with delivery pump, delivery pump cleaning solution is delivered into water for the inlet opening 23
Hole 23, and flowed into the installation cavity 21 from inlet opening 23.
Further, be also provided with throttle orifice 24 on the shell 20, the throttle orifice 24 be located at the installation cavity 21 with
Between the inlet opening 23, and it will be interconnected between the installation cavity 21 and the inlet opening 23 by the throttle orifice 24.
The aperture of the throttle orifice 24 is less than the aperture of the inlet opening 23 and the internal diameter of installation cavity 21.The axis of the throttle orifice 24
Line is overlapped with the axis of the inlet opening 23, and is vertically arranged with the axis of the inner flow passage 22.Herein, the throttling is set
The purpose in hole 24 includes the pressure reduced at inlet opening 23.
The specimen needle cleaning device 100 includes power device, and the power device will to generate power, power device
Cleaning solution sucks from the inlet opening 23, makes cleaning solution by flowing out and being formed in the installation cavity 21 and the cleaning hole 14
Cleaning solution water note is rinsed the outer wall of specimen needle 101, and the waste liquid cleaned is discharged from the second end of the inner flow passage 22, together
When, the power device also siphons away the remaining cleaning fluid being attached on 101 outer wall of specimen needle in cleaning process, and from described interior
Runner 22 is discharged, to avoid cleaning solution is adhered on 101 outer wall of specimen needle.
Preferably, the power device is set on the shell 20, and is located at the second end 202 of the shell.It is described dynamic
Power device includes vacuum pump, hydraulic pump etc..
The use process of this specimen needle cleaning device is described below:
Specimen needle 101 to be cleaned is inserted into the inner flow passage 22, then, cleaning solution from the cleaning runner 14 first
From the inlet opening 23 followed by the throttle orifice 24, the installation cavity 21, enters the cleaning from the cleaning hole 14 and flow
Road 13, and the specimen needle 101 being located in the cleaning runner 14 is cleaned.After cleaning, reduce defeated in inlet opening 23
The cleaning solution entered, while vacuum pump siphons away the cleaning solution for being attached to 101 outer wall of specimen needle, by the specimen needle 101 from institute
State inner flow passage 22, cleaning runner 13 is withdrawn, completion cleaning.In this process, at the end of cleaning is fast, at this point, the cleaning
Cleaning solution water note in hole 14 becomes smaller, and due to the axis of the 1 place straight line of axis X in the cleaning hole 13 and the cleaning runner 14
Straight line where line X2 is different surface beeline, it may be assumed that the cleaning solution and the cleaning runner 14 flowed out from the cleaning hole 13
2 antarafacial of axis X, thus, so that outer wall of the cleaning solution cleaned in hole 13 no longer with specimen needle 101 connects at the end of cleaning is fast
Touching, and then cleaning solution is avoided to be attached on the outer wall of specimen needle 101, the outer wall hanging liquid phenomenon of specimen needle 101 is eliminated, to avoid influence
When using the specimen needle 101 using sample, the precision of test is reduced.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of specimen needle cleaning device, including cleaning core and shell, the cleaning core are connect with the shell, the shell
Inside offer inner flow passage, which is characterized in that offer cleaning runner to place sample needle on the cleaning core, and with institute
State that cleaning runner is connected it is multiple to by wash liquid stream to the cleaning hole of the sample needle, the cleaning runner with it is described interior
Runner connection, it is the multiple cleaning hole compartment of terrain be set to it is described cleaning core circumferential direction, it is described cleaning hole axis where straight line with
Straight line where the cleaning runner axis is different surface beeline.
2. specimen needle cleaning device according to claim 1, which is characterized in that the cleaning hole has 2-14,2-14
A cleaning hole even circumferential it is distributed in the circumferential direction of the cleaning core.
3. specimen needle cleaning device according to claim 1, which is characterized in that the cleaning runner has vertical line PN, institute
Vertical line PN is stated perpendicular to straight line where the axis of the cleaning runner, the axis place straight line of the vertical line PN and the cleaning hole
Angle be α, the range of the α are as follows: 30 degree -60 degree.
4. specimen needle cleaning device according to claim 1, which is characterized in that the straight line where the axis in the cleaning hole
It is h, the range of the h are as follows: 0.2mm-2mm with the distance between the straight line where the axis of the cleaning runner.
5. specimen needle cleaning device according to claim 1, which is characterized in that it is described cleaning runner axis with it is described interior
The axis of runner is overlapped setting.
6. specimen needle cleaning device according to claim 1, which is characterized in that offer on the shell to install
State cleaning core installation cavity, and be connected to the installation cavity with for cleaning solution into the installation cavity inlet opening, institute
Installation cavity is stated to be connected to by the cleaning hole with the cleaning runner.
7. specimen needle cleaning device according to claim 6, which is characterized in that the cleaning core includes the be oppositely arranged
One end and second end, the multiple cleaning hole are opened in the first end of the cleaning core, the first end installation of the cleaning core
It is sealed in the installation cavity, and between the inner wall of the installation cavity.
8. specimen needle cleaning device according to claim 6, which is characterized in that it is also provided with throttle orifice on the shell,
The throttle orifice between the installation cavity and the inlet opening, and by the throttle orifice by the installation cavity and it is described into
It is interconnected between water hole, the aperture of the throttle orifice is less than the aperture of the inlet opening.
9. specimen needle cleaning device according to claim 8, which is characterized in that the axis of the throttle orifice and the water inlet
The axis in hole is overlapped setting, and is vertically arranged with the axis of the installation cavity.
10. specimen needle cleaning device according to claim 1, which is characterized in that the specimen needle cleaning device includes dynamic
Power device, the power device is to siphon away and be discharged the cleaning solution of the inner flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820556459.3U CN208627927U (en) | 2018-04-18 | 2018-04-18 | Specimen needle cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820556459.3U CN208627927U (en) | 2018-04-18 | 2018-04-18 | Specimen needle cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208627927U true CN208627927U (en) | 2019-03-22 |
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ID=65732554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820556459.3U Active CN208627927U (en) | 2018-04-18 | 2018-04-18 | Specimen needle cleaning device |
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| Country | Link |
|---|---|
| CN (1) | CN208627927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355157A (en) * | 2019-07-29 | 2019-10-22 | 南京诺尔曼生物技术有限公司 | Sample needle cleaning device and component |
-
2018
- 2018-04-18 CN CN201820556459.3U patent/CN208627927U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355157A (en) * | 2019-07-29 | 2019-10-22 | 南京诺尔曼生物技术有限公司 | Sample needle cleaning device and component |
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