Pipetting device, processing system and analysis instrument

Abstract

A pipetting device, a processing system and an analytical instrument. The pipetting device comprises a motion assembly, a pipette and a limiting support. The motion assembly is configured to move along a reference direction and / or rotate about the reference direction. The pipette comprises a spiral section, a first lead-out section adjacent to one end of the spiral section and a second lead-out section adjacent to the other end of the spiral section, the extension direction of the first lead-out section is not parallel to the extension direction of the second lead-out section, and the first lead-out section extends into the motion assembly. The limiting support comprises a support groove, and the second lead-out section passes through the support groove to be constrained by the support groove. The pipetting device further comprises a probe, and one end of the pipette is connected to the probe. The angle between the central axis of the spiral section and the reference direction is less than or equal to 45 degrees, which not only avoids the cracking and leakage problems caused by the bending of the pipeline, improves the performance reliability and durability of the pipette, but also enables the pipetting device to operate on the liquid in a larger range.

Description

Technical Field

[0001] Embodiments of this utility model relate to a pipetting device, a processing system, and an analytical instrument. Background Technology

[0002] Liquid pipettes are indispensable precision tools in laboratories, used for the precise transfer of liquids, including small amounts. Liquids can include reagents, samples, standards, mobile phases, washing solutions, and other solvents, as well as combinations thereof; these are generally referred to as reagents. Applications cover key stages such as analytical instruments, patient sample analysis in clinical and research applications, drug development, cell culture, and molecular biology experiments. Pipettes achieve liquid aspiration and dispensing through mechanical or pressure differential principles. Pipettes can be integrated into instruments, such as analytical instruments, to transfer reagents or other liquids into or within the instrument. Utility Model Content

[0003] This utility model provides a pipetting device, a processing system, and an analytical instrument. The pipetting tube of this device includes a helical section, which not only avoids cracking and leakage problems caused by tubing bends, improving the reliability and durability of the pipetting tube, but also allows the moving components to have a wider range of displacement and rotation, enabling the pipetting device to handle liquids over a greater range. Furthermore, a limiting bracket can restrict the second lead-out section, ensuring the accuracy of the helical section's rotation around or movement along its central axis.

[0004] At least one embodiment of the present invention provides a pipetting device, comprising: a motion component configured to move along and / or rotate about a reference direction; a pipette including a helical segment, a first lead-out segment adjacent to one end of the helical segment, and a second lead-out segment adjacent to the other end of the helical segment, wherein the extension direction of the first lead-out segment is not parallel to the extension direction of the second lead-out segment, and the first lead-out segment extends into the motion component; and a limiting bracket including a bracket groove, wherein the second lead-out segment passes through the bracket groove to be constrained by the bracket groove, wherein the angle between the central axis of the helical segment and the reference direction is less than or equal to 45 degrees.

[0005] For example, in a pipetting device provided in one embodiment of the present invention, the moving component includes a receiving tube extending along the reference direction, the first lead-out section is located inside the receiving tube, and the angle between the central axis of the spiral section and the central axis of the receiving tube is less than or equal to 30 degrees.

[0006] For example, in a pipetting device provided in one embodiment of the present invention, the shape of the helical segment includes a cylindrical helix or a variable diameter helix.

[0007] For example, in a pipetting device provided in one embodiment of the present invention, the ratio of the depth of the support groove to the outer diameter of the second lead-out section is in the range of 1-1.5, or the ratio of the opening of the support groove to the outer diameter of the second lead-out section is in the range of 1-1.5.

[0008] For example, in a pipetting device provided in one embodiment of the present invention, the pipetting device includes a base plate, the reference direction intersects the base plate, and the groove of the support groove faces the base plate to define the space through which the second lead-out section passes together with the base plate.

[0009] For example, in a pipetting device provided in one embodiment of the present invention, the limiting bracket includes a fixing part and a limiting part, the fixing part is fixed on the base plate, and the bracket groove is disposed on the limiting part.

[0010] For example, in a pipetting device provided in one embodiment of the present invention, the limiting bracket includes a plurality of limiting portions, which are spaced apart, and the second lead-out section passes through the bracket groove of the plurality of limiting portions in sequence.

[0011] For example, in a pipetting device provided in one embodiment of the present invention, the pipetting device further includes a mounting base, one end of which is fixed to the base plate, the moving component is connected to the mounting base, and at least one fastening element passes through at least a portion of the fixing part and the mounting base to fix the fixing part and the mounting base to the base plate.

[0012] For example, in a pipetting device provided in one embodiment of the present invention, protective sleeves are provided on the outer surfaces of the first lead-out section and the second lead-out section.

[0013] For example, in a pipetting device provided in one embodiment of the present invention, the shape of the helical segment includes a cylindrical helix, the product of the number of turns of the helical segment and the outer diameter of the helical segment is greater than or equal to 16, and the unit of the outer diameter of the helical segment is centimeters.

[0014] For example, in a pipetting device provided in one embodiment of the present invention, the helical segment is configured such that, when the moving component moves along the reference direction, the helical segment is compressed or stretched along the central axis of the helical segment, and / or

[0015] The helical segment is configured to rotate about its central axis when the motion component rotates about the reference direction.

[0016] For example, in one embodiment of the pipetting device provided by this utility model, the displacement of the moving component along the reference direction is greater than or equal to 10 cm. For example, in another embodiment of the pipetting device provided by this utility model, the displacement of the moving component along the reference direction is greater than or equal to 12 cm. For example, the movement of the moving component along the reference direction can create a gap between the pipetting device and the container, other components, or other obstacles in the reference direction during the movement or pipetting process, thus preventing the movement of the pipetting device or the pipetting process from being affected or interfered with.

[0017] For example, in a pipetting device provided in one embodiment of the present invention, the starting position of the moving component is 0 degrees, and the moving component can rotate 60 degrees to 120 degrees around the reference direction from the starting position.

[0018] For example, in a pipetting device provided in one embodiment of the present invention, a pipetting assembly is further included, wherein the pipetting assembly is connected to the motion assembly, and the pipetting assembly includes a fluid channel communicating with the pipetting tube.

[0019] At least one embodiment of the present invention provides a processing system including a processing device and a pipetting device as described in any of the preceding claims, wherein the processing device is configured to receive material within the pipetting device for processing.

[0020] At least one embodiment of the present invention provides an analytical instrument including the pipetting device described in any of the preceding claims, wherein the analytical instrument is configured to receive and process a sample, at least a portion of the sample is treated with a reagent, and the pipetting device is configured to deliver at least a portion of the reagent. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of this utility model, and are not intended to limit this utility model.

[0022] Figure 1 A schematic diagram of the structure of a pipetting device in one state provided in an embodiment of this utility model;

[0023] Figure 2 A schematic diagram of another state of the pipetting device provided in this embodiment of the utility model;

[0024] Figure 3 for Figure 1 A partial structural diagram of the pipette shown;

[0025] Figure 4 This is a partial structural schematic diagram of another pipette provided in an embodiment of the present invention;

[0026] Figure 5 This is a partial structural schematic diagram of another pipette provided in an embodiment of the present invention;

[0027] Figure 6 for Figure 1 The diagram shows a structural schematic of the limiting bracket from one perspective.

[0028] Figure 7 for Figure 1 The diagram shows a structural schematic of the limiting bracket and the second lead-out section from another perspective.

[0029] Figure 8 This is a partial structural schematic diagram of another pipette provided in an embodiment of the present invention;

[0030] Figure 9 A structural schematic diagram of the rotation angle of the motion component provided in an embodiment of this utility model;

[0031] Figure 10 A schematic diagram of another state of the pipetting device provided in this embodiment of the utility model;

[0032] Figure 11 A schematic diagram of the structure of a processing system provided in an embodiment of this utility model; and

[0033] Figure 12 This is a schematic diagram of the structure of an analytical instrument provided for an embodiment of the present utility model. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0035] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0036] The components or structures in the accompanying drawings are not drawn to scale. For clarity, the dimensions of each component or structure may be exaggerated or reduced, but this should not be used to limit the scope of this invention. To keep the following description of the embodiments of this invention clear and concise, detailed descriptions of known functions and known components may be omitted.

[0037] Unless otherwise defined, the features such as "parallel," "perpendicular," and "identical" used in the embodiments of this utility model include the strictly defined cases of "parallel," "perpendicular," and "identical," as well as cases that include a certain degree of error, such as "approximately parallel," "approximately perpendicular," and "approximately identical." For example, the aforementioned "approximately" may indicate that the difference between the compared objects is within 10% or 5% of the average value of the compared objects. Unless otherwise specified in the following embodiments of this utility model, the quantity of a component or element is implied; it means that the component or element may be one or more, or can be understood as at least one. "At least one" refers to one or more, and "more" refers to at least two.

[0038] During routine use, pipette tubing is prone to cracking and leaking at bends or turns, affecting its normal operation. To overcome this problem, larger diameter tubing, looser tubing, or softer materials can be used at bends or turns for greater flexibility and less brittleness. However, these improvements do not completely eliminate leaks caused by tubing cracking. Furthermore, at bends or turns, the internal volume of softer tubing changes, negatively impacting the pipette's delivery accuracy and stability. For example, softer materials may be chemically incompatible with the reagents used in the system. Alternatively, materials with suboptimal mechanical properties and chemical compatibility with the reagents could be chosen.

[0039] This invention provides a pipetting device, a processing system, and an analytical instrument. The pipetting device includes a moving component, a pipette, and a limiting support. The moving component is configured to move along and / or rotate about a reference direction. The pipette includes a helical section, a first lead-out section adjacent to one end of the helical section, and a second lead-out section adjacent to the other end of the helical section. The extension direction of the first lead-out section is not parallel to the extension direction of the second lead-out section, and the first lead-out section extends into the moving component. The limiting support includes a support groove, through which the second lead-out section is constrained. The angle between the central axis of the helical section and the reference direction is less than or equal to 45 degrees. The helical section in the pipette of this pipetting device not only reduces or avoids cracking and leakage problems caused by tubing bends, improving the reliability and durability of the pipette, but also allows the moving component to have a wider range of displacement and rotation, enabling the pipetting device to operate on liquids over a wider range. In particular, this invention avoids introducing bends into the pipette. For example, bent tubing can be formed by heating and mechanically bending the tubing, a process that weakens the bent tubing. Therefore, avoiding bent tubing can improve the performance and lifespan of the pipette. Furthermore, the limiting bracket can restrict the second exit section, ensuring the accuracy of the spiral section's rotation around or movement along its central axis.

[0040] The pipetting device, processing system, and analytical instrument provided in the embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0041] This utility model provides a pipetting device. Figure 1 A schematic diagram of the structure of a pipetting device in one state provided in an embodiment of this utility model; Figure 2 A schematic diagram of another state of the pipetting device provided in this embodiment of the utility model; Figure 3 for Figure 1 The diagram shows a partial structural schematic of a pipette. Figures 1 to 3 As shown, the pipetting device 100 includes a motion component 120 and a pipette 110. The motion component 120 is configured to move along a reference direction Z, or the motion component 120 is configured to rotate about the reference direction Z, or the motion component 120 is configured to both move along and rotate about the reference direction Z. Figure 1 and Figure 2 The diagram schematically illustrates two states in which the motion component 120 moves along the reference direction Z.

[0042] like Figures 1 to 3As shown, the pipette 110 includes a helical section 113 and a first lead-out section 111 adjacent to one end of the helical section 113, the first lead-out section 111 extending into the motion assembly 120. The central axis 1130 of the helical section 113 makes an angle of less than or equal to 45 degrees with the reference direction Z. Figure 3 The schematic diagram shows that the angle between the central axis 1130 of the helical segment 113 and the reference direction Z is zero.

[0043] In the pipetting device 100 provided in this embodiment of the present invention, the movement or rotation of the motion component 120 enables the pipetting device 100 to better acquire liquids located at different positions or transfer liquids to different positions, thereby improving the convenience of the pipetting device 100. The pipetting tube 110 includes a helical section 113 and a first lead-out section 111. The first lead-out section 111 extends into the motion component 120. During the movement or rotation of the motion component 120, compared to traditional straight or curved tubes, the helical section 113 of the pipetting tube 110 can rotate around its central axis 1130 or move along its central axis 1130, exhibiting better tensile, compressive, and torsional properties. This not only allows the motion component 120 to have a larger range of displacement and rotation, but also enables the pipetting device 100 to achieve greater flexibility and efficiency. The design allows for a wider range of liquid manipulation without affecting the pipetting operation of the pipetting device 100. Furthermore, the rotation or movement of the helical segment 113 around or along its central axis 1130 minimizes the risk of cracking and leakage caused by localized bending of the helical segment 113 and the pipetting tube 110. This improves the reliability and durability of the helical segment 113 and the pipetting tube 110, ensuring the performance and reliability of the pipetting device 100 and reducing repair costs. The angle between the central axis 1130 of the helical segment 113 and the reference direction Z is less than or equal to 45 degrees, satisfying the aforementioned performance requirements and facilitating the structural design of the pipetting tube 110, allowing it to adapt to more complex or demanding assembly environments.

[0044] Furthermore, because the design of the helical segment 113 gives the pipette 110 better performance reliability and durability, the pipette 110 can be made of a wider variety of materials. For example, the pipette 110 can be made of materials with lower flexibility, or materials with higher hardness. For instance, during the movement of the pipette 110, especially when the helical segment 113 moves along or rotates around the reference direction Z, a higher hardness of the material of the pipette 110 results in a smaller change in the inner diameter of the pipette 110, and the internal volume of the pipette 110 remains essentially unchanged, leading to higher delivery accuracy and better stability. Moreover, materials with lower flexibility also prevent the sample, reagents, cleaning fluid, or other materials inside the pipette 110 from reacting with the material of the pipette 110. For example, the material of the pipette 110 can be fluorinated ethylene propylene copolymer (FEP). In some embodiments, the pipette 110 may be made of other materials, including other fluoropolymers such as polytetrafluoroethylene (PTFE), ethylene tetrafluoroethylene (ETFE), polyvinylidene fluoride (PVDF), or perfluoroalkoxyalkanes (PFAs). In some embodiments, the pipette 110 may have sufficient rigidity to prevent deformation during aspiration, dispensing, and transfer operations. In some embodiments, when the pipette 110 is exposed to the system flushing solution, an inert or substantially inert conduit may be selected. Of course, the material of the pipette 110 is not limited in the embodiments of the present invention. For example, the pipette 110 may be transparent to better observe the flow of fluid inside the pipette 110, observe bubbles, and troubleshoot.

[0045] In some examples, such as Figures 1 to 3 As shown, the helical segment 113 is configured to be compressed or stretched along its central axis 1130 when the motion assembly 120 moves along the reference direction Z. For example, the helical segment 113 is configured to rotate about its central axis 1130 when the motion assembly 120 rotates about the reference direction Z. Figure 1 The diagram schematically shows the helical segment 113 being compressed along its central axis 1130. Figure 2 The schematic diagram shows the helical segment 113 being stretched along the central axis 1130 of the helical segment 113.

[0046] In some examples, such as Figure 3As shown, the helical segment 113 includes multiple turns 1131. When the helical segment 113 moves along the reference direction Z, the interval D1 between adjacent turns 1131 of the helical segment 113 can become smaller or larger. For example, when the helical segment 113 rotates around its central axis 1130, the outer diameter D2 of each turn 1131 of the helical segment 113 can become smaller or larger. The above-mentioned changes in the helical segment 113 are all changes of circular arcs, without bending changes. Therefore, when the helical segment 113 moves along or rotates around the reference direction Z, the helical segment 113 has better durability, avoiding cracking and leakage of the pipette 110, ensuring the performance of the pipetting device 100, improving the reliability of the pipetting device 100, reducing failure cases, and reducing costs, such as repair-related costs, replacement costs of the pipette 110, and cleaning costs due to pipette 110 leakage.

[0047] In some examples, such as Figures 1 to 3 As shown, the angle between the central axis 1130 of the helical segment 113 and the reference direction Z can be zero. In this case, the central axis 1130 of the helical segment 113 is parallel to or coincides with the reference direction Z. For example, when the moving component 120 rotates around the reference direction Z, the helical segment 113 also rotates around the reference direction Z. For example, when the moving component 120 moves along the reference direction Z, the helical segment 113 also moves along the reference direction Z. Thus, the movement direction of the helical segment 113 of the pipette 110 is basically consistent with that of the moving component 120, ensuring the durability of the helical segment 113 and the pipette 110, and ensuring the performance of the pipetting device 100. Of course, the present invention does not limit the value of the angle between the central axis 1130 of the helical segment 113 and the reference direction Z.

[0048] Figure 4 This is a partial structural schematic diagram of another pipette provided in an embodiment of the present invention. (See attached diagram.) Figure 4 As shown, the angle θ1 between the central axis 1130 of the helical segment 113 and the reference direction Z is greater than zero and less than or equal to 45 degrees. For example, this angle θ1 can be 1 degree, 3 degrees, 5 degrees, 8 degrees, 10 degrees, 15 degrees, 20 degrees, 25 degrees, 30 degrees, 35 degrees, 40 degrees, etc., which will not be elaborated here. The above-mentioned numerical range of the angle θ1 can not only ensure the durability of the helical segment 113 and the pipette 110, and ensure the performance of the pipetting device 100, but also allow the pipette 110 to adapt to and meet more complex or demanding assembly environments.

[0049] In some examples, such as Figure 3As shown, the central axis 1130 of the helical segment 113 coincides with the reference direction Z. Therefore, the helical segment 113 is located directly below the moving component 120. When the moving component 120 moves along the reference direction Z, the helical segment 113 is located directly below the moving component 120 and moves along the reference direction Z. Thus, the helical segment 113 does not require additional space, reducing the space occupied by the pipetting device 100, facilitating structural design, and avoiding motion interference.

[0050] In some examples, such as Figure 3 As shown, the central axis 1130 of the helical segment 113 is a straight line. This makes the movement of the helical segment 113 along or around its central axis 1130 more stable and reliable, improving the durability of both the helical segment 113 and the pipette 110. Of course, this embodiment of the invention is not limited to this; the central axis 1130 of the helical segment 113 can also be an arc, allowing for more varied orientations of the pipette 110 and providing greater flexibility to adapt to more complex or demanding assembly environments.

[0051] In some examples, such as Figures 1 to 4 As shown, the shape of the helical segment 113 includes a cylindrical helix. Each coil 1131 of the helical segment 113 has the same size and experiences approximately the same force; therefore, the performance of the helical segment 113 is more stable. Of course, this embodiment of the invention does not limit the shape of the helical segment 113; the helical segment 113 can also be a variable-diameter helix.

[0052] Figure 5 This is a partial structural schematic diagram of another pipette provided in an embodiment of the present invention. (See attached diagram.) Figure 5 As shown, the shape of the helical segment 113 can also be a variable-diameter helix. For example, the shapes of variable-diameter helices include conical helices, convex helices, concave helices, etc., which will not be listed here. For example, along the direction away from the moving component, the diameter D1 of each turn 1131 of the conical helix gradually increases or decreases. Thus, the movement of the helical segment 113 along the reference direction Z can be made more stable and reliable.

[0053] In some examples, such as Figures 1 to 4As shown, the motion assembly 120 includes a receiving tube 121 extending along the reference direction Z, with a portion of the first lead-out section 111 located within the receiving tube 121. For example, the motion assembly 120 includes a motion body portion 122, which includes the receiving tube 121. The receiving tube 121 can provide a receiving cavity to accommodate the first lead-out section 111, allowing the pipette 110 to extend through the receiving tube 121 to the other side of the motion assembly 120. Thus, the motion assembly 120 can both move or rotate to allow the pipetting device 100 to aspirate or transfer liquid to different locations, and can also serve as a conduit for the pipette 110, facilitating the arrangement of the pipette 110 and the structural design of the pipetting device 100.

[0054] In some examples, such as Figure 3 and Figure 4 As shown, the angle θ2 between the central axis 1130 of the spiral section 113 and the central axis 1210 of the receiving tube 121 is less than or equal to 30 degrees. Figure 3 The schematic diagram shows that the angle θ2 between the central axis 1130 of the spiral segment 113 and the central axis 1210 of the receiving tube 121 is zero. Figure 4 The diagram schematically illustrates an angle θ2 between the central axis 1130 of the helical segment 113 and the central axis 1210 of the receiving tube 121. For example, this angle θ2 is less than or equal to 30 degrees. For example, this angle θ2 is less than or equal to 15 degrees. For example, this angle θ2 can be zero, 1 degree, 3 degrees, 5 degrees, 8 degrees, 10 degrees, 15 degrees, 20 degrees, 25 degrees, 30 degrees, etc., which will not be elaborated further here. For example, when the angle θ2 is zero, the helical segment 113 of the pipette 110 maintains a substantially consistent direction of movement with the moving assembly 120. For example, when the angle θ2 is greater than zero, the pipette 110 can adapt to and meet more complex or demanding assembly environments.

[0055] In some examples, such as Figure 3 and Figure 4 As shown, the angle between the extension direction 1110 of the first lead-out section 111 and the central axis 1130 of the receiving tube 121 is less than or equal to 30 degrees. The figure schematically shows the extension direction 1110 of the first lead-out section 111 coinciding with the central axis 1130 of the receiving tube 121. This embodiment of the invention does not limit this angle. For example, the angle can be zero, 1 degree, 3 degrees, 5 degrees, 8 degrees, 10 degrees, 15 degrees, 20 degrees, 25 degrees, 30 degrees, etc., which will not be elaborated here. For example, the angle between the extension direction 1110 of the first lead-out section 111 and the central axis 1130 of the receiving tube 121 can be designed and matched based on the angle θ2 between the central axis 1130 of the spiral section 113 and the central axis 1210 of the receiving tube 121.

[0056] In some examples, such as Figure 3 and Figure 4 As shown, the ratio of the outer diameter D3 of the first lead-out section 111 to the inner diameter D4 of the receiving tube 121 ranges from 1 to 5. For example, this ratio can be 1, 1.1, 1.2, 1.3, 1.4, 1.5, 2, 2.5, 3, 4, 5, etc., which will not be elaborated here. By ensuring that the ratio of the outer diameter D3 of the first lead-out section 111 to the inner diameter D4 of the receiving tube 121 is within the above range, the first lead-out section 111 can extend into the receiving tube 121 and be routed through the receiving tube 121. Furthermore, when the moving component 120 moves or rotates, the amount of swaying of the first lead-out section 111 in the receiving tube 121 can be limited, preventing the swaying of the first lead-out section 111 from affecting the movement of the helical section 113 and ensuring the accuracy of the helical section 113's rotation around or movement along its central axis 1130.

[0057] In some examples, such as Figures 1 to 4 As shown, the pipette 110 also includes a second lead-out section 112 adjacent to the other end of the helical section 113. The extending direction 1110 of the first lead-out section 111 is not parallel to the extending direction 1120 of the second lead-out section 112. For example, the extending direction 1110 of the first lead-out section 111 is perpendicular to the extending direction 1120 of the second lead-out section 112. The helical section 113 can achieve the turning between the first lead-out section 111 and the second lead-out section 112, and can achieve the turning of the pipette 110, for example, a 90-degree turn. The turning of the first lead-out section 111 and the second lead-out section 112 is achieved by the helical section 113, avoiding the cracking and leakage problems caused by direct bending and turning of the pipeline.

[0058] It should be noted that the spiral section 113, the first lead-out section 111, and the second lead-out section 112 are each part of the pipette 110, and the part of the pipette 110 including the spiral section 113, the first lead-out section 111, and the second lead-out section 112 is a continuous tube.

[0059] In some examples, such as Figures 1 to 3As shown, the extension direction 1120 of the second lead-out section 112 forms an angle with the reference direction Z. For example, the extension direction 1120 of the second lead-out section 112 is approximately perpendicular to the reference direction Z, that is, the angle is approximately 90 degrees. For example, the second lead-out section 112 is located within the vertical plane P1 perpendicular to the reference direction Z. Thus, not only can the pipette 110 be rotated 90 degrees, but it can also avoid the second lead-out section 112 from bending or other defects caused by the movement of the spiral section 113, ensuring the performance reliability and durability of the pipette 110; in addition, it can also prevent the movement of the second lead-out section 112 from affecting the movement of the spiral section 113. For example, when the spiral section 113 rotates around its central axis 1130 or moves along its central axis 1130, the second lead-out section 112 is always located within the vertical plane P1 perpendicular to the reference direction Z, or the extension direction 1120 of the second lead-out section 112 is always perpendicular to the reference direction Z. Of course, this embodiment of the present invention is not limited in this respect. For example, the extension direction 1120 of the second lead-out segment 112 can have a certain angle with the vertical plane P1.

[0060] In some examples, such as Figure 4 As shown, the angle θ3 between the extension direction 1120 of the second lead-out section 112 and the vertical plane P1 is less than or equal to 45 degrees. For example, this angle θ3 can be 1 degree, 1 degree, 3 degrees, 5 degrees, 8 degrees, 10 degrees, 15 degrees, 20 degrees, 25 degrees, 30 degrees, 35 degrees, 40 degrees, etc., which will not be elaborated here. Limiting this angle θ3 to within 45 degrees can prevent the second lead-out section 112 from bending too much, which could lead to cracking and leakage.

[0061] Figure 6 for Figure 1 The diagram shows a structural schematic of the limiting bracket from one perspective. Figure 7 for Figure 1 The diagram shows a structural schematic of the limiting bracket and the second lead-out section from another perspective. (See diagram for reference.) Figure 1 , Figure 2 , Figure 6 and Figure 7As shown, the pipetting device 100 also includes a limiting bracket 130. The limiting bracket 130 includes a bracket groove 131, through which the second lead-out section 112 passes and is constrained. The limiting bracket 130 restricts the second lead-out section 112, limiting the amount of wobble of the second lead-out section 112 when the helical section 113 rotates about or moves along its central axis 1130, thus ensuring the accuracy of the rotation or movement of the helical section 113 around or along its central axis 1130. The bracket groove 131 facilitates the passage of the second lead-out section 112 through the groove, simplifying the assembly between the pipetting tube 110 and the limiting bracket 130. Furthermore, the limiting bracket 130 also facilitates the individual installation and removal of the limiting bracket 130 by restricting the second lead-out section 112. For example, after the pipette 110 is installed, the limiting bracket 130 is then installed to limit the second lead section 112. For example, when the pipette 110 needs to be replaced, the limiting bracket 130 can be removed directly without disassembling other parts of the pipetting device 100, thus simplifying the installation and disassembly operations.

[0062] In some examples, such as Figure 6 and Figure 7 As shown, the ratio of the groove size D5 of the bracket groove 131 to the outer diameter D7 of the second lead-out section 112 ranges from 1 to 1.5. Therefore, the bracket groove 131 can better limit the movement of the second lead-out section 112. For example, the groove size D5 of the bracket groove 131 can be equal to the outer diameter D7 of the second lead-out section 112. Alternatively, the groove size D5 of the bracket groove 131 can be larger than the outer diameter D7 of the second lead-out section 112. Thus, a protective sleeve can be provided on the outer surface of the second lead-out section 112, allowing the protected second lead-out section 112 to be located within the bracket groove 131, and the protective sleeve can protect the second lead-out section 112. For example, this ratio can be 1.1, 1.2, 1.3, 1.4, etc., which will not be elaborated here. For example, the groove depth D6 of the bracket groove 131 can be larger than the groove size D5 of the bracket groove 131. This prevents the second lead-out section 112 from being squeezed. Of course, this embodiment of the invention does not limit the dimensions D5 of the groove opening and D6 of the groove depth of the bracket groove 131. Similarly, for example, the ratio of the groove depth D6 of the bracket groove 131 to the outer diameter D7 of the second lead-out section 112 can range from 1 to 1.5. Thus, the bracket groove 131 can better limit the positioning of the second lead-out section 112. For example, the groove depth D6 of the bracket groove 131 can be equal to the outer diameter D7 of the second lead-out section 112. For example, the groove depth D6 of the bracket groove 131 can be greater than the outer diameter D7 of the second lead-out section 112. Further details will not be elaborated here.

[0063] In some examples, such as Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the pipetting device 100 includes a base plate 140, with a reference direction Z intersecting the base plate 140. For example, the reference direction Z is perpendicular to the base plate 140. For example, the vertical plane P1 is the plane where the base plate 140 is located. The groove of the support groove 131 faces the base plate 140 to define the space through which the second lead-out section 112 passes, together with the base plate 140. This facilitates the assembly between the pipetting tube 110 and the limiting support 130. For example, the second lead-out section 112 can be directly arranged or placed on the base plate 140. After determining the position of the second lead-out section 112, the limiting support 130 can be directly placed on the base plate 140, aligning the support groove 131 with the second lead-out section 112, so that the second lead-out section 112 is located within the space jointly defined by the support groove 131 and the base plate 140. This makes the limiting support 130 for the second lead-out section 112 simpler, more convenient, and easier to operate. Keeping the second lead-out section 112 relatively fixed can reduce the risk of other system components snagging or colliding with the pipette 110 during operation, thereby further reducing wear and damage to the pipette 110.

[0064] In some examples, such as Figure 1 and Figure 2 As shown, the second lead-out section 112 is located on the base plate 140. That is, the second lead-out section 112 is in contact with the base plate 140. For example, when the spiral section 113 rotates around or moves along its central axis 1130, the second lead-out section 112 remains on the base plate 140. This prevents the second lead-out section 112 from bending or other defects caused by the movement of the spiral section 113, ensuring the reliability and durability of the pipette 110. For example, as... Figure 4 As shown, the angle θ4 between the extension direction 1120 of the second lead-out section 112 and the base plate 140 is less than or equal to 45 degrees. For example, this angle θ4 can be 1 degree, 1 degree, 3 degrees, 5 degrees, 8 degrees, 10 degrees, 15 degrees, 20 degrees, 25 degrees, 30 degrees, 35 degrees, 40 degrees, etc., which will not be elaborated here. Limiting this angle θ4 to within 45 degrees can prevent the second lead-out section 112 from bending too much, which could lead to cracking and leakage.

[0065] In some examples, such as Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the limiting bracket 130 includes a fixing part 132 and a limiting part 133. The fixing part 132 is fixed on the base plate 140, and the bracket groove 131 is provided on the limiting part 133. The limiting bracket 130 can be fixed on the base plate 140 by the fixing part 132, which ensures that the limiting bracket 130 limits the second lead-out section 112.

[0066] In some examples, such as Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the limiting bracket 130 includes multiple limiting parts 133, which are spaced apart. The second lead-out section 112 passes through the bracket grooves 131 of the multiple limiting parts 133 in sequence. This allows for better limiting of the second lead-out section 112, preventing the movement of the spiral section 113 from causing the second lead-out section 112 to twist or bend.

[0067] In some examples, such as Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the pipetting device 100 also includes a mounting base 150, one end of which is fixed to a base plate 140. A moving assembly 120 is connected to the mounting base 150. At least one fastening element 151 passes through both the fixing portion 132 and at least a portion of the mounting base 150 to secure the fixing portion 132 and the mounting base 150 to the base plate 140. For example, as... Figure 6 and Figure 7 As shown, the limiting bracket 130 also includes a mounting hole 134. For example, the mounting hole 134 is formed on the fixing portion 132 of the limiting bracket 130. For example, the mounting hole 134 is formed on the edge of the fixing portion 132. For example, the shape of the mounting hole 134d includes a U-shaped hole to facilitate the installation of the limiting bracket 130. For example, the fastening element 151 passes through both the mounting hole 134 of the fixing portion 132 and at least a portion of the mounting base 150 to fix the fixing portion 132 and the mounting base 150 to the base plate 140. By using the same fastening element 151 for the fixing portion 132 of the limiting bracket 130 and the mounting base 150, the assembly process can be simplified, installation space can be saved, the limiting bracket 130 can avoid occupying too much extra space, and the structure of the pipetting device 100 can be made more compact.

[0068] Figure 8 This is a partial structural schematic diagram of another pipette provided in an embodiment of the present invention. (See attached diagram.) Figure 8 As shown, a first protective sleeve 1611 is provided on the outer surface of the first lead-out section 111. The first protective sleeve 1611 can protect the first lead-out section 111. The first lead-out section 111 with the first protective sleeve 1611 has higher strength and rigidity, reduces stress on the first lead-out section 111, reduces shrinkage of the first lead-out section 111, avoids wear of the first lead-out section 111, and improves the life and durability of the pipette 110. This embodiment of the utility model does not specifically limit the material, length, etc. of the first protective sleeve 1611, and can be set according to product requirements.

[0069] In some examples, such as Figure 8As shown, a second protective sleeve 1612 is provided on the outer surface of the second lead-out section 112. The second protective sleeve 1612 can protect the second lead-out section 112. The second lead-out section 112 with the second protective sleeve 1612 has higher strength and rigidity, reduces the stress on the second lead-out section 112, avoids wear on the second lead-out section 112, and improves the life and durability of the pipette 110. This embodiment of the utility model does not specifically limit the material, length, etc. of the first protective sleeve 1611 and the second protective sleeve 1612, and can set them according to product requirements.

[0070] For example, the materials of the first protective sleeve 1611 and the second protective sleeve 1612 can be epoxy resin or a white polymer. In some embodiments, other plastic or resin materials can be used, particularly those that can shrink and maintain mechanical abrasion resistance. For example, the first protective sleeve 1611 can be heat-shrinked and fitted onto the outer surface of the first lead-out section 111 using a heat-shrink process. For example, the first protective sleeve 1611 can be heat-shrinked onto the outer surface of the first lead-out section 111 using a heat gun. For example, the second protective sleeve 1612 can be fitted onto the outer surface of the second lead-out section 112 using the same process as the first protective sleeve 1611, which will not be described further here.

[0071] In some examples, such as Figures 1 to 3 As shown, the minimum interval D8 between the limiting bracket 130 and the helical segment 113 ranges from 0.1 to 1 times the outer diameter D2 of the helical segment 113. Therefore, this interval D8 can prevent interference between the helical segment 113 and the limiting bracket 130 during movement, and prevent the limiting bracket 130 from affecting the movement of the helical segment 113. Furthermore, this interval D8 can ensure the limiting of the second lead-out segment 112 by the bracket groove 131, preventing insufficient limiting of the second lead-out segment 112 due to an excessively large interval D8, thus ensuring the stability and reliability of the movement of the helical segment 113. In addition, this interval D8 can make the structure of the pipetting device 100 more compact, avoiding occupying too much space.

[0072] In some examples, such as Figures 1 to 3As shown, the shape of the helical segment 113 includes a cylindrical helix. The product of the number of turns of the helical segment 113 and its outer diameter D2 is greater than or equal to 16, where the outer diameter D2 is in centimeters. By limiting this value, the pipette 110 can have better durability and the moving component 120 can have a wider range of displacement and rotation when designing the number of turns and the outer diameter D2 of the helical segment 113. For example, if the outer diameter D2 of the helical segment 113 is too small, the helical segment 113 has a shorter tube length, and its durability will also decrease. Therefore, by limiting the above, the outer diameter D2 of the helical segment 113 can be designed to have a larger value, which can improve the durability of the pipette 110 and also allow the helical segment 113 to have a longer tube length, thus enabling the moving component 120 to have a wider range of displacement and rotation. For example, the spiral segment 113 can be designed to have a greater number of turns. Within a certain range, the more turns, the better the spiral segment 113 of the pipette 110 can move or rotate with the motion component 120, so that the motion component 120 can have a larger range of displacement and rotation.

[0073] In some examples, such as Figures 1 to 3 As shown, the outer diameter D2 of the helical segment 113 is 2.54 cm. For example, the outer diameter D2 of the helical segment 113 can range from 1 cm to 5 cm. For example, the number of turns of the helical segment 113 can be 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, etc., which will not be elaborated here. Of course, this embodiment of the invention does not limit the outer diameter D2 and the number of turns of the helical segment 113. For example, it can be designed according to design requirements or the dimensions of the pipetting device 100, and verified through durability tests to obtain the optimal outer diameter and number of turns for the corresponding product. For example, when the helical segment 113 is a cylindrical helix with an outer diameter D2 of 2.54 cm and 7 turns, durability tests have verified that the pipetting device 100 has better durability, and the helical segment 113 can adapt to a more compact layout space, avoiding occupying more space.

[0074] In some examples, such as Figure 1 and Figure 2As shown, the displacement of the moving component 120 along the reference direction Z is greater than or equal to 10 cm. For example, this displacement is greater than or equal to 12 cm. For example, when the helical segment 113 is compressed, there is a gap D9 between the moving component 120 and the base plate 140. For example, when the helical segment 113 is stretched, there is a gap D10 between the moving component 120 and the base plate 140. For example, the displacement of the moving component 120 along the reference direction Z is the difference between gap D10 and gap D9. Thus, the arrangement of the helical segment 113 allows the moving component 120 of the pipetting device 100 to have a larger range of displacement, enabling the pipetting device 100 to operate on liquids over a wider range and meet higher pipetting requirements. For example, the movement of the moving component 120 along the reference direction Z can create a gap between the pipetting device and containers, other components, or other obstacles in the reference direction Z during the movement or pipetting process, preventing the movement of the pipetting device or the pipetting process from being affected or interfered with. For example, the value of gap D9 ranges from 1 cm to 5 cm. For example, the interval D9 can be 1.5 cm, 2 cm, 2.5 cm, 3 cm, 3.5 cm, 4 cm, 4.5 cm, etc. For example, the interval D10 can range from 8 cm to 20 cm. For example, the interval D10 can be 9 cm, 10 cm, 11 cm, 12 cm, 13 cm, 14 cm, 15 cm, 16 cm, 17 cm, 18 cm, 19 cm, etc. For example, the displacement along the reference direction Z can be 10 cm, 11 cm, 12 cm, 13 cm, 14 cm, 15 cm, 16 cm, etc. Of course, this embodiment of the invention does not specifically limit the values ​​of interval D9, interval D10, and the displacement along the reference direction Z; appropriate values ​​can be selected according to design requirements, which will not be elaborated further here.

[0075] Figure 9 This is a structural schematic diagram of the rotation angle of the motion component provided in an embodiment of the present utility model. (See attached diagram.) Figure 9 As shown, the starting position of the motion component 120 is 0 degrees, and the motion component 120 can rotate 60 degrees to 120 degrees around the reference direction Z from the starting position. Figure 9In this context, angle θ5 represents the angle at which the moving component 120 can rotate around the reference direction Z from its starting position. Compared to straight or curved tubes, the helical segment 113 of the pipette 110 can rotate around its central axis 1130 at a larger angle while maintaining durability. This allows the moving component 120 to rotate a larger angle around the reference direction Z, enabling the pipetting device 100 to operate on liquids over a wider range and meet higher pipetting requirements. For example, this angle can be 60 degrees, 70 degrees, 80 degrees, 90 degrees, 100 degrees, 110 degrees, 120 degrees, etc., which will not be elaborated further here. Of course, this invention does not limit the starting position and can be designed according to requirements. This embodiment of the invention does not limit the angle at which the moving component 120 rotates around the reference direction Z. Since the moving component 120 can rotate a larger angle around the reference direction Z, it can also have a smaller rotation angle, and can be designed according to actual needs.

[0076] In some examples, such as Figure 1 and Figure 2 As shown, the pipetting apparatus 100 also includes a pipetting assembly 170. The pipetting assembly 170 is connected to the motion assembly 120. For example, the pipetting assembly 170 is configured to move along a reference direction Z under the action of the motion assembly 120. For example, the pipetting assembly 170 is also configured to rotate about the reference direction Z under the action of the motion assembly 120. For example, the pipetting assembly 170 includes a fluid channel communicating with the pipette 110. Thus, the pipetting assembly 170 can conveniently acquire liquid at different locations or transfer liquid to different locations, etc. For example, the pipetting assembly 170 is located on the side of the motion assembly 120 away from the helical section 113, and the first lead-out section 111 of the pipette 110 passes through the motion assembly 120 and is connected to the pipetting assembly 170. For example, the pipetting assembly 170 includes a probe 172, and one end of the pipette 110 is connected to the probe 172. For example, the pipetting assembly 170 includes a cantilever structure 171 and a probe 172. For example, the probe 172 includes a fluid channel to enable liquid aspiration and dispensing operations. For example, the probe 172 can penetrate into containers such as containers, test tubes, reagent bottles, sample bottles, dropper bottles, glass containers, cuvettes, and cuvettes to manipulate the liquids within. It should be noted that the liquids in this invention include, but are not limited to, samples, reagents, cleaning solutions, or other materials. In some embodiments, the reagent container can be disposed in multiple holders within a reagent turntable. The reagent turntable can rotate to allow the user to access the holders within the reagent turntable for loading and unloading, and to facilitate the acquisition of a pipette.

[0077] In some examples, such as Figure 1 , Figure 2 and Figure 9As shown, by rotating the motion component 120 about the reference direction Z, the probe 172 can reach, for example, the position of the reagent turntable to obtain reagents. For example, by rotating the motion component 120 about the reference direction Z, the probe 172 can transfer the obtained reagents into a container inside the incubator. For example, by moving the motion component 120 along the reference direction Z, for example, moving towards the base plate 140, the probe 172 can obtain reagents from the reagent turntable located at a lower position or dispense reagents into the incubator located at a lower position. For example, by moving the motion component 120 along the reference direction Z, for example, moving away from the base plate 140, the cantilever structure 171 and the probe 172 can be positioned at a higher position, which facilitates the rotation of the motion component 120 about the reference direction Z to avoid obstacles or other components of the pipetting device 100, and avoids interference or collisions.

[0078] Figure 10 This is a schematic diagram of another state of the pipetting device provided in an embodiment of the present invention. Figure 1 , Figure 2 and Figure 10 As shown, the motion assembly 120 also includes a motion body 122 and a drive motor. The drive motor can drive the motion body 122 to move along the reference direction Z, or drive the motion assembly 120 to rotate about the reference direction Z.

[0079] For example, such as Figure 1 , Figure 2 and Figure 10 As shown, the drive motor includes a first drive motor 1231 and a second drive motor 1232. For example, the first drive motor 1231 drives the moving body 122 to move along the reference direction Z. For example, the first drive motor 1231 drives the lead screw 125 to rotate via the transmission belt 1241 to drive the moving body 122 to move along the reference direction Z. For example, the second drive motor 1232 drives the moving body 122 to rotate around the reference direction Z. For example, the second drive motor 1232 drives the moving body 122 to rotate around the reference direction Z via the transmission belt 1242. For example, both the first drive motor 1231 and the second drive motor 1232 are stepper motors. Of course, the specific structure and driving method of the motion component 120 are not specifically limited in this embodiment of the utility model.

[0080] This utility model embodiment also provides a processing system. Figure 11 This is a schematic diagram of a processing system provided in an embodiment of the present utility model. Figure 11 As shown, the processing system 200 includes any of the pipetting devices 100 mentioned above, and thus, the processing system 200 has the beneficial effects corresponding to the beneficial effects of the pipetting device 100, which will not be described in detail here.

[0081] In some examples, such as Figure 11 As shown, the processing system 200 also includes a processing device 210 configured to receive material from the pipette 100 for processing. For example, the processing system 200 is a sample processing system. The pipette enables automated sample acquisition and transfer, thus automating the processing of the processing system 200.

[0082] This utility model embodiment also provides an analytical instrument. Figure 12 This is a schematic diagram of the structure of an analytical instrument provided for an embodiment of this utility model. (See attached diagram.) Figure 12 As shown, the analytical instrument 300 includes any of the pipetting devices 100 mentioned above, and thus, the analytical instrument 300 has the beneficial effects corresponding to the beneficial effects of the pipetting device 100, which will not be elaborated here.

[0083] In some examples, such as Figure 12 As shown, the analytical instrument 300 is configured to receive and process samples. At least a portion of the sample is treated with reagents, and the pipette 100 is configured to deliver at least a portion of the reagents.

[0084] In some examples, the processing system or analytical instrument may include two or more pipetting devices. For example, multiple pipetting devices may include a first pipetting device and a second pipetting device. For example, the first pipetting device may aspirate a sample from a sample container. For example, the second pipetting device may aspirate a reagent from a reagent container. Of course, pipetting devices can also perform other operations. For example, pipetting devices may transfer materials into containers suitable for incubation, refrigeration, detection, waste collection, or other functions of the system. The following points need to be noted:

[0085] (1) The accompanying drawings of the embodiments of this utility model only involve the structures involved in the embodiments of this utility model. Other structures can be referred to the general design.

[0086] (2) Where there is no conflict, the features of the same embodiment and different embodiments of the present invention can be combined with each other.

[0087] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A pipetting device, characterized in that, include: A motion component is configured to move along a reference direction and / or rotate about the reference direction; A pipette includes a helical section, a first lead-out section adjacent to one end of the helical section, and a second lead-out section adjacent to the other end of the helical section. The extension direction of the first lead-out section is not parallel to the extension direction of the second lead-out section, and the first lead-out section extends into the motion assembly. as well as A limiting bracket includes a bracket groove, through which the second lead-out section passes to be constrained. Wherein, the angle between the central axis of the spiral segment and the reference direction is less than or equal to 45 degrees.

2. The pipetting apparatus according to claim 1, characterized in that, The motion assembly includes a receiving tube extending along the reference direction, with the first lead-out section located within the receiving tube, and the angle between the central axis of the helical section and the central axis of the receiving tube being less than or equal to 30 degrees.

3. The pipetting apparatus according to claim 1, characterized in that, The shape of the helical segment includes a cylindrical helix or a variable diameter helix.

4. The pipetting apparatus according to any one of claims 1-3, characterized in that, The ratio of the groove depth of the bracket groove to the outer diameter of the second lead-out section is in the range of 1-1.5, or the ratio of the groove opening of the bracket groove to the outer diameter of the second lead-out section is in the range of 1-1.

5.

5. The pipetting apparatus according to any one of claims 1-3, characterized in that, The pipetting device includes a base plate, and the reference direction intersects the base plate. The groove of the bracket faces the base plate so that it, together with the base plate, defines the space through which the second lead-out section passes.

6. The pipetting apparatus according to claim 5, characterized in that, The limiting bracket includes a fixing part and a limiting part. The fixing part is fixed to the base plate, and the bracket groove is provided on the limiting part.

7. The pipetting apparatus according to claim 6, characterized in that, The limiting bracket includes multiple limiting parts, which are spaced apart, and the second lead-out section passes through the bracket groove of the multiple limiting parts in sequence.

8. The pipetting apparatus according to claim 7, characterized in that, The pipetting device further includes a mounting base, one end of which is fixed to the base plate, the motion assembly is connected to the mounting base, and at least one fastening element passes through at least a portion of the fixing part and the mounting base to secure the fixing part and the mounting base to the base plate.

9. The pipetting apparatus according to any one of claims 1-3, characterized in that, The outer surfaces of the first lead-out section and the second lead-out section are provided with protective sleeves.

10. The pipetting apparatus according to any one of claims 1-3, characterized in that, The minimum interval between the limiting bracket and the spiral segment is between 0.1 and 1 times the outer diameter of the spiral segment.

11. The pipetting apparatus according to any one of claims 1-3, characterized in that, The shape of the helical segment includes a cylindrical helix, and the product of the number of turns of the helical segment and the outer diameter of the helical segment is greater than or equal to 16. The outer diameter of the helical segment is in centimeters.

12. The pipetting apparatus according to any one of claims 1-3, characterized in that, The helical segment is configured such that, as the moving component moves along the reference direction, the helical segment is compressed or stretched along its central axis, and / or The helical segment is configured to rotate about its central axis when the motion component rotates about the reference direction.

13. The pipetting apparatus according to any one of claims 1-3, characterized in that, The displacement of the motion component along the reference direction is greater than or equal to 12 centimeters.

14. The pipetting apparatus according to any one of claims 1-3, characterized in that, The starting position of the motion component is 0 degrees, and the motion component can rotate 60 degrees to 120 degrees around the reference direction from the starting position.

15. The pipetting apparatus according to any one of claims 1-3, characterized in that, It also includes a pipetting assembly, wherein the pipetting assembly is connected to the motion assembly, and the pipetting assembly includes a fluid channel communicating with the pipette.

16. A processing system, characterized in that, The invention includes a processing device and a pipetting apparatus according to any one of claims 1-15, wherein the processing device is configured to receive material within the pipetting apparatus for processing.

17. An analytical instrument, characterized in that, The instrument includes a pipetting device according to any one of claims 1-15, wherein the analytical instrument is configured to receive and process a sample, at least a portion of which is treated with a reagent, and the pipetting device is configured to deliver at least a portion of the reagent.

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