CN214991656U - Magnetic bead adsorption system and magnetic bead adsorption mechanism thereof - Google Patents
Magnetic bead adsorption system and magnetic bead adsorption mechanism thereof Download PDFInfo
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- CN214991656U CN214991656U CN202121029133.3U CN202121029133U CN214991656U CN 214991656 U CN214991656 U CN 214991656U CN 202121029133 U CN202121029133 U CN 202121029133U CN 214991656 U CN214991656 U CN 214991656U
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Abstract
The utility model discloses a magnetic bead adsorption system and magnetic bead adsorption apparatus constructs thereof, magnetic bead adsorption apparatus constructs and includes: magnetism is inhaled device and is used for driving magnetism to inhale the mobile device that the device is close to or keeps away from sample liquid, still including being used for driving magnetism to inhale device circumferential direction's rotary device, magnetism inhales the device and includes can follow rotary device synchronous rotating's magnet, and magnet inhales the face including the first magnetism that is used for adsorbing the magnetic bead of sample liquid and second magnetism, and the area variation of size of face is inhaled to first magnetism and second magnetism, and rotary device and mobile device all inhale the device with magnetism and be connected. Through the magnetic bead adsorption apparatus who uses this device to provide constructs, can realize the switching of magnetism face and the transform operation of magnetic force, also can realize the magnet switching magnetism of different magnetic forces and inhale the operation, and simple structure, convenient to use of this device can use widely.
Description
Technical Field
The utility model relates to a medical external diagnosis technical field, more specifically say, relate to a magnetic bead adsorption apparatus constructs. In addition, still relate to a magnetic bead adsorption system including above-mentioned magnetic bead adsorption mechanism.
Background
In the prior art, medical in vitro diagnostic equipment is mainly used for detecting samples such as human blood, urine and the like, extracting DNA/RNA of the samples and the like. In the extraction process of the sample DNA/RNA, the sample needs to be incubated at different temperatures and subjected to magnetic attraction at different stages to obtain pure sample DNA/RNA. In the magnetic absorption process of the sample, magnetic beads are required to be added into the sample to be adsorbed and combined with DNA/RNA, and then the combination of the magnetic beads and the DNA/RNA is adsorbed on the inner wall of the reaction bin according to a preset requirement through a magnet so as to carry out further extraction operation.
At present, most of magnetic bead adsorption devices comprise a reaction bin, a driving device, a bracket and a magnetic suction part. The support is used for supporting the driving mechanism and the magnetic part. The specific implementation scheme is as follows: the driving device drives the magnetic suction part to be close to and far away from the reaction bin so as to perform magnetic suction operation, each reaction bin corresponds to one guide groove, and a plurality of standard magnets are installed at the bottom of each guide groove. However, this solution is limited to a fixed magnet, magnetic force and magnet attracting surface, and it cannot realize the switching of the attracting surface and the changing of the magnetic force.
In summary, how to switch the magnetic attraction operation between the magnets with different magnetic forces is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a magnetic bead adsorption apparatus can realize the switching of the face of inhaling and the transform operation of magnetic force, also can realize the magnet switching magnetism of different magnetic forces and inhale the operation, and simple structure, the convenient to use of this device can use widely. Another object of the utility model is to provide a magnetic bead adsorption system.
In order to achieve the above object, the present invention provides the following technical solutions:
a magnetic bead adsorption mechanism, comprising: magnetism is inhaled the device and is used for the drive magnetism is inhaled the device and is close to or keeps away from the mobile device of sample liquid, still including being used for the drive magnetism inhales device circumferential direction's rotary device, magnetism inhales the device and can follow including rotary device synchronous pivoted magnet, magnet is including being used for the absorption the face is inhaled to first magnetism of the magnetic bead of sample liquid and second magnetism, first magnetism inhale the face with the area variation in size of face is inhaled to the second magnetism, rotary device with mobile device all with the device connection is inhaled to magnetism.
Preferably, the magnetic attraction device comprises a plurality of magnets arranged in parallel.
Preferably, the magnetic attraction device comprises a magnetic isolation plate for isolating the magnetic beads in the non-magnetic attraction process.
Preferably, the magnetism isolating plate is a high-carbon steel material.
Preferably, each magnet is all located on the support perpendicularly, the magnetic shield parallel is located the top of support, the both sides of support and each magnet all run through and are equipped with the axis of rotation, the axis of rotation with rotary device connects.
Preferably, the rotating device includes a rotating electrical machine, a driving wheel sleeved on the outer periphery of the output shaft of the rotating electrical machine, a driven wheel and a synchronous belt, the driven wheel is sleeved on the outer periphery of the rotating shaft of the magnetic attraction device, and the synchronous belt is sleeved on the outer periphery of the driving wheel and the outer periphery of the driven wheel.
Preferably, the rotating device comprises a rotating motor capable of rotating circumferentially, and the rotating motor is connected with the rotating shaft of the magnetic attraction device.
Preferably, the moving device comprises a linear guide rail, a sliding block capable of sliding along the linear guide rail and a driving piece for driving the sliding block to move transversely, and the rotating device and the magnetic attracting device are both arranged on the sliding block.
Preferably, the driving piece is of a screw motor structure or a telescopic cylinder structure.
A magnetic bead adsorption system, comprising: the reagent card strip and be used for adsorbing the adsorption equipment of the magnetic bead of reagent card strip, adsorption equipment is the magnetic bead adsorption mechanism of any preceding item.
Use the utility model provides a during magnetic bead adsorption apparatus constructs, can place sample liquid in the reaction storehouse of reagent card strip, because the first magnetism of magnet is inhaled the face and the area variation of second magnetism is inhaled the face, also first magnetism is inhaled the face and the second magnetism is inhaled the magnetic force size of face to the magnetic bead also can be different, magnetic force can increase along with the area increase of magnetism face of inhaling, when the magnetic bead in the great magnetic force adsorption reaction storehouse is utilized to needs, then can rotate magnetism through rotary device and inhale the device, make the bigger magnetism of area inhale the face and aim at the reaction storehouse, then, recycle mobile device drive magnetism and inhale the device and be close to the reaction storehouse, so that the bigger magnetism of area is inhaled the face and is laminated with the binding face in reaction storehouse mutually, so that sample liquid in the reaction storehouse carries out magnetism and inhale the operation under the required magnetic force condition.
When the operation is inhaled to sample liquid magnetism once more to needs to change magnetic force, can utilize mobile device drive magnetism to inhale the device and keep away from the reaction storehouse of reagent card strip, recycle rotary device drive magnet and rotate to make the area littleer magnetism inhale the face and aim at the reaction storehouse, later recycle mobile device drive magnetism and inhale the device and be close to the reaction storehouse, make the area littleer magnetism inhale the face and laminate mutually with the binding face in reaction storehouse, so that the sample liquid in the reaction storehouse is inhaled the operation again. Wherein, the area size of magnetism face of inhaling can make magnetic force different, and this device can realize the switching operation of different magnetic forces promptly.
In conclusion, the magnetic bead adsorption mechanism provided by the device can realize the switching of the magnetic attraction surface and the magnetic force conversion operation, also can realize the magnetic attraction operation of the magnet switching of different magnetic forces, and has the advantages of simple structure, convenient use and popularization and application.
Furthermore, the utility model also provides a magnetic bead adsorption system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a magnetic bead adsorption mechanism provided by the present invention;
FIG. 2 is a schematic view of the rotation device and the magnetic attraction device moving along the linear guide;
FIG. 3 is a schematic view of a magnetic attraction device;
FIG. 4 is a schematic view of a magnet structure;
FIG. 5 is a schematic view of a reagent card strip;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a side view of FIG. 5;
fig. 8 is a top view of fig. 5.
In fig. 1-8:
the magnetic attraction device comprises a reagent card strip 1, a magnetic attraction device 2, a magnet 21, a first magnetic attraction surface 22, a second magnetic attraction surface 23, a magnetic separation plate 24, a support 25, a rotating device 3, a rotating motor 31, a driving wheel 32, a driven wheel 33, a synchronous belt 34, a reaction bin 4, a binding surface 5 and a linear guide rail 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a magnetic bead adsorption apparatus constructs, can realize the switching of magnetism face of inhaling and the transform operation of magnetic force, also can realize the magnet switching magnetism of different magnetic forces and inhale the operation, and simple structure, the convenient to use of this device can use widely. The other core of the utility model is to provide a magnetic bead adsorption system.
Referring to fig. 1 to 8, fig. 1 is a schematic structural view of a magnetic bead adsorption mechanism provided in the present invention; FIG. 2 is a schematic view of the rotation device and the magnetic attraction device moving along the linear guide; FIG. 3 is a schematic view of a magnetic attraction device; FIG. 4 is a schematic view of a magnet structure; FIG. 5 is a schematic view of a reagent card strip; FIG. 6 is a front view of FIG. 5; FIG. 7 is a side view of FIG. 5; fig. 8 is a top view of fig. 5.
This embodiment provides a magnetic bead adsorption apparatus structure, includes: magnetism is inhaled device 2 and is used for the drive to inhale mobile device that device 2 is close to or keeps away from sample liquid, still including being used for the drive to inhale device 2 circumferential direction's rotary device 3, magnetism is inhaled device 2 and is included can be along with rotary device 3 synchronous pivoted magnet 21, and magnet 21 is including the first magnetism face 22 and the second magnetism face 23 of inhaling that is used for adsorbing the magnetic bead of sample liquid, and the area variation of size of first magnetism face 22 and second magnetism face 23 of inhaling, and rotary device 3 and mobile device all are connected with magnetism device 2.
It should be noted that the magnetic attraction surfaces have different areas, so that the magnetic force is different, and the first magnetic attraction surface 22 and the second magnetic attraction surface 23 have different areas, so that the magnetic force between the first magnetic attraction surface 22 and the attachment surface 5 is different from the magnetic force between the second magnetic attraction surface 23 and the attachment surface 5, that is, the device can realize the switching operation of different magnetic forces.
Wherein, can inhale face 22 to magnetism with first magnetism and set up to the bigger big magnetism of area and inhale the face, inhale face 23 with the second magnetism and set up to the littleer little magnetism of area and inhale the face, when reaction storehouse 4 needs great magnetic force to inhale the operation, then can utilize rotary device 3 to inhale face 22 with first magnetism and rotate to the one side of binding face 5 towards reaction storehouse 4, when reaction storehouse 4 needs less magnetic force to inhale the operation, then can utilize rotary device 3 to inhale face 23 with the second magnetism and rotate to the one side of binding face 5 towards reaction storehouse 4.
The shape, structure, size, material, position and the like of the magnetic attraction device 2, the rotating device 3 and the mobile device can be determined according to actual conditions and actual requirements in the actual application process.
Use the utility model provides a during magnetic bead adsorption apparatus constructs, can place sample liquid in reagent card strip 1's reaction storehouse 4, because the first magnetism of magnet 21 is inhaled face 22 and the area variation of second magnetism and is inhaled face 23, also first magnetism is inhaled face 22 and second magnetism and is inhaled the magnetic force size of face 23 to the magnetic bead and also can be different, magnetic force can increase along with the area increase of magnetism face, when the magnetic bead in the great magnetic force absorption reaction storehouse 4 of needs utilization, then can rotate magnetism through rotary device 3 and inhale device 2, make the magnetism that the area is bigger inhale to aim at reaction storehouse 4, then, reuse mobile device drive magnetism and inhale device 2 and be close to reaction storehouse 4, so that the magnetism that the area is bigger inhales the face and laminates with 5 binding faces of reaction storehouse 4 mutually, so that the sample liquid in the reaction storehouse 4 carries out magnetism under the required magnetic force and inhales the operation.
When the operation is inhaled to magnetism to sample liquid once more to needs to change magnetic force, can utilize mobile device drive magnetism to inhale device 2 and keep away from the reaction storehouse 4 of reagent card strip 1, recycle 3 drive magnet 21 of rotary device and rotate, so that the magnet face that the area is littleer is aimed at reaction storehouse 4, later recycle mobile device drive magnetism and inhale device 2 and be close to reaction storehouse 4, make the magnet face that the area is littleer laminate mutually with binding face 5 of reaction storehouse 4, so that the sample liquid in the reaction storehouse 4 is inhaled the operation again.
In conclusion, the magnetic bead adsorption mechanism provided by the device can realize the switching of the magnetic attraction surface and the magnetic force conversion operation, namely can realize the switching of the magnets 21 with different magnetic forces, and the device has the advantages of simple structure and convenient use, and can be popularized and used.
On the basis of the above-mentioned embodiment, it is preferable that the magnetic attracting means 2 includes a plurality of magnets 21 arranged in parallel with each other, and each magnet 21 may be arranged in one-to-one correspondence with each reaction chamber 4.
It should be noted that, can be with a plurality of reagent card strip 1 parallel arrangement, magnet 21 and the setting of each reaction storehouse 4 one-to-one can make a plurality of reaction storehouses 4 to carry out magnetism simultaneously and inhale the operation like this, inhales the operation through carrying out magnetism to a plurality of mutually independent reaction storehouses 4 simultaneously, can improve the detection efficiency of sample liquid by a wide margin.
The number, position, shape, size and the like of the magnets 21 and the reaction bins 4 can be determined according to actual conditions and actual requirements in the actual application process.
Preferably, the magnetic attracting device 2 includes a magnetic shield 24 for shielding magnetic beads during non-magnetic attracting. The arrangement of the magnetic isolation plate 24 can effectively solve the problem of interference of the magnet 21 on the magnetic bead suspension of the reaction chamber 4 in the non-magnetic attraction state.
Preferably, the magnetic isolation plate 24 is made of high-carbon steel, and the high-carbon steel can well absorb the external magnetic field emitted by the magnet 21, so as to achieve the magnetic isolation effect. In the actual application process, the shape, size, material and the like of the magnetism isolating plate 24 can be determined according to the actual situation and the actual requirement.
Preferably, each magnet 21 is vertically arranged on the bracket 25, the magnetic isolation plate 24 is arranged on the top of the bracket 25 in parallel, and both sides of the bracket 25 and each magnet 21 are provided with a rotating shaft in a penetrating way, and the rotating shaft is connected with the rotating device 3.
It should be noted that, can set up support 25 to U type groove structure, each magnet 21 of vertical installation in U type inslot, and make every magnet 21 equidistant setting, the interval of each magnet 21 is the same with the interval between each reagent card strip 1, in order to ensure magnet 21 and reaction chamber 4 one-to-one, set up magnetic shield 24 at the top in U type groove again, magnetic shield 24 can effectively block one side of magnet 21, and magnet 21's first magnetism is inhaled face 22 and second magnetism and is inhaled face 23 and all set up with magnetic shield 24 is perpendicular, run through two sides and each magnet 21 setting in U type groove with the axis of rotation at last, as shown in fig. 3. Therefore, when the rotation axis rotates along with the rotating device 3, the first magnetic attraction surface 22 faces the attachment surface 5 of the reaction chamber 4, the second magnetic attraction surface 23 faces the attachment surface 5 of the reaction chamber 4, and the magnetic isolation plate 24 faces the attachment surface 5 of the reaction chamber 4.
In the actual application process, the structures, sizes, numbers, installation manners and the like of the magnetism isolating plate 24, the bracket 25 and the magnet 21 can be determined according to actual conditions and actual requirements.
In addition to the above-described embodiments, it is preferable that the rotating device 3 includes a rotating motor 31, a driving pulley 32 fitted around an outer peripheral portion of an output shaft of the rotating motor 31, a driven pulley 33, and a timing belt 34, the driven pulley 33 is fitted around an outer peripheral portion of a rotating shaft of the magnetic attraction device 2, and the timing belt 34 is fitted around an outer peripheral portion of the driving pulley 32 and an outer peripheral portion of the driven pulley 33.
It should be noted that, when the rotating electrical machine 31 starts operation, it can drive the output shaft to rotate, the output shaft can drive the driving wheel 32 to rotate in the rotation process, then drive the synchronous belt 34 and rotate from the driving wheel 33, and can drive the rotation axis to rotate from the driving wheel 33 in the rotation process, the rotation axis of the magnetic attraction device 2 here is the same structure with the above-mentioned rotation axis that is used for running through both sides of the bracket 25 and each magnet 21, when the rotation axis rotates, the magnet 21 can be made to rotate circumferentially, thereby the switching operation of the first magnetic attraction face 22, the second magnetic attraction face 23 and the magnetic separation plate 24 is performed, thereby realizing the magnetic force switching and the magnetic separation operation, etc.
In the actual application process, according to actual conditions and actual requirements, the shapes, structures, dimensions, materials, positions, and the like of the rotating motor 31, the driving pulley 32, the driven pulley 33, the synchronous belt 34, and the rotating shaft can be determined.
Preferably, the rotating device 3 comprises a rotating motor capable of rotating circumferentially, and the rotating motor is connected with the rotating shaft of the magnetic attraction device 2. Also can directly adopt the mode of rotating motor and rotation axis lug connection for the rotation motor direct drive rotation axis rotates, wherein, the rotation axis here is same structure with the foretell axis of rotation that is used for running through both sides and each magnet 21 of support 25, can make magnet 21 circumferential direction when the rotation axis rotates, thereby carry out the switching operation of first magnetism face 22 and second magnetism face 23 and magnetic shield 24 of inhaling, thereby realize magnetic force switching and magnetism isolation operation etc..
Preferably, the moving device comprises a linear guide rail 6, a sliding block capable of sliding along the linear guide rail 6 and a driving piece for driving the sliding block to move transversely, and the rotating device 3 and the magnetic attraction device 2 are arranged on the sliding block. When the driving member is operated, the driving member can drive the sliding block to move transversely along the linear guide rail 6, so that the rotating device 3 and the magnetic attraction device 2 are synchronously close to or far away from the reaction bin 4 of the reagent card strip 1.
Preferably, the driving part is a screw motor structure or a telescopic cylinder structure so as to drive the sliding block to transversely reciprocate.
Except that above-mentioned magnetic bead adsorption apparatus constructs, the utility model discloses still provide a magnetic bead adsorption system, this magnetic bead adsorption system includes: reagent card strip 1 and the adsorption equipment who is used for adsorbing the magnetic bead of reagent card strip 1, adsorption equipment is the magnetic bead adsorption device of above-mentioned arbitrary item. For the structure of other parts of the magnetic bead adsorption system, please refer to the prior art, which is not described herein again.
In order to further explain the usage of the magnetic bead adsorption mechanism and the magnetic bead adsorption system provided by the present invention, the following description is made by way of example.
When the sample liquid is injected into the reaction chamber 4 of the reagent card strip 1, the sample liquid is a magnetic bead suspension to be magnetically attracted, firstly, the sample liquid can be magnetically attracted with a large magnetic force, that is, the rotating motor 31 can be used to drive the driving wheel 32 to rotate, the driving wheel 32 can drive the synchronous belt 34 and the driven wheel 33 to rotate in the rotating process, the driven wheel 33 is connected with the rotating shaft of the magnetic attraction device 2, so as to drive the magnet 21 of the magnetic attraction device 2 to rotate circumferentially, at the moment, the rotating angle of the magnet 21 can be determined according to the inclination angle of the attachment surface 5 of the reaction chamber 4, the angle of the first magnetic attraction surface 22 is adjusted by adjusting the pulse number of the rotating motor 31, so that the first magnetic attraction surface 22 faces the attachment surface 5 of the reaction chamber 4 and is arranged in parallel to the attachment surface 5 of the reaction chamber 4, and then, the moving device is used to push the magnetic attraction device 2 and the rotating device 3 to slide left and right on the linear guide rail 6, and make the first magnetic attraction face 22 and the binding face 5 of the reaction chamber 4 completely bind, so as to start the magnetic attraction operation of large magnetic force to the sample liquid, and after the magnetic attraction operation is completed, drive the magnetic attraction device 2 and the rotating device 3 to be away from the reagent card strip 1.
After the sample liquid is repeatedly subjected to the large magnetic attraction operation for several times, and then subjected to the operations of incubation, extraction, re-mixing and the like, the sample liquid needs to be subjected to the small magnetic attraction operation. It specifically performs the actions of: utilize 3 drives of rotary device magnetism to inhale 2 rotatory certain angles of device, make magnet 21's second magnetism inhale 23 faces binding face 5 of reaction storehouse 4, and with 5 parallel arrangement of binding face of reaction storehouse 4, then, utilize mobile device to promote magnetism inhale 2 and rotary device 3 and be close to reagent card strip 1 along linear guide 6, so that the second magnetism inhale 23 and the binding face 5 of reaction storehouse 4 laminate completely, so as to begin to carry out the magnetism of little magnetic force to sample liquid and inhale the operation, inhale the operation when magnetism and accomplish the back, the magnetism is inhaled to the device 2 and is kept away from reagent card strip 1 with rotary device 3 again in the drive.
In addition, in the non-magnetic time period, the rotating device 3 can be used to drive the magnetic device 2 to rotate by a certain angle, so that the magnetic isolation plate 24 faces the binding surface 5 of the reaction chamber 4, that is, the magnetic isolation plate 24 is located between the reaction chamber 4 and the magnet 21, and thus the magnetic isolation plate 24 can effectively absorb the magnetism of the shielding magnet 21, and the magnet 21 is prevented from generating magnetic interference on the magnetic bead suspension of the reaction chamber 4 in the non-magnetic time period.
It should be noted that, in this document, the first magnetic attraction surface 22 and the second magnetic attraction surface 23 are mentioned, wherein, the first and the second are only used for distinguishing the different positions, and are not sequentially distinguished.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
It is right above the utility model provides a magnetic bead adsorption system and magnetic bead adsorption apparatus constructs and has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A magnetic bead adsorption mechanism, comprising: magnetism is inhaled device (2) and is used for the drive magnetism is inhaled device (2) and is close to or keeps away from the mobile device of sample liquid, its characterized in that still including being used for the drive magnetism inhales device (2) circumferential direction's rotary device (3), magnetism is inhaled device (2) and is followed including rotary device (3) synchronous pivoted magnet (21), magnet (21) are including being used for adsorbing face (22) and second magnetism of the magnetic bead of sample liquid are inhaled face (23), first magnetism inhale face (22) with the area variation in size of face (23) is inhaled to the second magnetism, rotary device (3) with mobile device all with magnetism is inhaled and is inhaled device (2) and connect.
2. A magnetic bead adsorption mechanism according to claim 1, characterized in that the magnetic attraction means (2) comprises a plurality of said magnets (21) arranged parallel to each other.
3. The magnetic bead adsorption mechanism of claim 2, wherein the magnetic attraction device (2) comprises a magnetic isolation plate (24) for isolating the magnetic beads during non-magnetic attraction.
4. The mechanism of claim 3, wherein the magnetic shield (24) is made of high carbon steel.
5. A mechanism for adsorbing magnetic beads according to claim 3, wherein each of the magnets (21) is vertically disposed on a support (25), the magnetic shielding plate (24) is disposed in parallel on the top of the support (25), and a rotation shaft is disposed through both sides of the support (25) and each of the magnets (21), and is connected to the rotating device (3).
6. The magnetic bead adsorption mechanism of any one of claims 1 to 5, wherein the rotating device (3) comprises a rotating motor (31), a driving wheel (32) sleeved on the outer periphery of an output shaft of the rotating motor (31), a driven wheel (33), and a synchronous belt (34), the driven wheel (33) is sleeved on the outer periphery of a rotating shaft of the magnetic attraction device (2), and the synchronous belt (34) is sleeved on the outer periphery of the driving wheel (32) and the outer periphery of the driven wheel (33).
7. A mechanism for attracting magnetic beads according to any one of claims 1 to 5, characterized in that the rotating means (3) comprises a rotating motor that is rotatable in a circumferential direction and is connected to the rotating shaft of the magnetic attracting means (2).
8. A mechanism according to any one of claims 1 to 5, wherein the moving means comprises a linear guide (6), a slider slidable along the linear guide (6), and a driving member for driving the slider to move laterally, and the rotating means (3) and the magnetic attracting means (2) are both disposed on the slider.
9. The mechanism of claim 8, wherein the driving member is a lead screw motor structure or a telescopic cylinder structure.
10. A magnetic bead adsorption system, comprising: a reagent card strip (1) and an adsorption device for adsorbing magnetic beads of the reagent card strip (1), wherein the adsorption device is the magnetic bead adsorption mechanism of any one of claims 1 to 9.
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| CN113046348A (en) * | 2021-05-13 | 2021-06-29 | 安图实验仪器(郑州)有限公司 | Magnetic bead adsorption system and magnetic bead adsorption mechanism thereof |
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| CN113046348A (en) * | 2021-05-13 | 2021-06-29 | 安图实验仪器(郑州)有限公司 | Magnetic bead adsorption system and magnetic bead adsorption mechanism thereof |
| CN113046348B (en) * | 2021-05-13 | 2024-09-06 | 安图实验仪器(郑州)有限公司 | Magnetic bead adsorption system and magnetic bead adsorption mechanism thereof |
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