WO2004092710A1 - 分注用シリンダ、大容量分注装置および大容量分注装置の使用方法 - Google Patents
分注用シリンダ、大容量分注装置および大容量分注装置の使用方法 Download PDFInfo
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- WO2004092710A1 WO2004092710A1 PCT/JP2004/005385 JP2004005385W WO2004092710A1 WO 2004092710 A1 WO2004092710 A1 WO 2004092710A1 JP 2004005385 W JP2004005385 W JP 2004005385W WO 2004092710 A1 WO2004092710 A1 WO 2004092710A1
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- Prior art keywords
- diameter portion
- dispensing
- small
- container
- dispensing cylinder
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/0098—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor involving analyte bound to insoluble magnetic carrier, e.g. using magnetic separation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1065—Multiple transfer devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/2575—Volumetric liquid transfer
Definitions
- the present invention relates to a dispensing cylinder, a large-capacity dispensing device, and a method for using a large-capacity dispensing device. More specifically, the present invention can apply a relatively large capacity (about milliliter or more) fluid. It relates to a cylinder for dispensing, a large-volume dispensing device, and a method of using a large-volume dispensing device.
- the present invention can be used in the field of performing a detection process requiring high quantitativeness and high accuracy when a relatively large volume of fluid is used.
- fields requiring inspection, extraction, concentration, analysis, and analysis of biological materials such as DNA, RNA, mRNA, plasmids, and other biological materials such as proteins, amino acids, and sugar chains, such as engineering, food, agricultural products, It is useful in the fields of fisheries, pharmaceuticals, health and hygiene, medical care, or sciences such as chemistry or biology.
- the present invention relates to, for example, a test or extraction or concentration of DNA or the like from a large volume of blood collected by a vacuum blood collection tube, extraction or concentration of DNA or the like from a living body such as a human body, food (drinks, solids). It is useful for extraction or concentration of DNA, bacteria, viruses, proteins, etc. for foods, meat, vegetables, etc.).
- a test or extraction or concentration of DNA or the like from a large volume of blood collected by a vacuum blood collection tube
- extraction or concentration of DNA or the like from a living body such as a human body, food (drinks, solids). It is useful for extraction or concentration of DNA, bacteria, viruses, proteins, etc. for foods, meat, vegetables, etc.).
- a dispensing device that handles a plurality of samples or reagents of a relatively small volume (about several hundred microliters to several hundred thousand microliters) in a batch.
- Patent No. 3, 115, 501, International Publication W096 / 2962, International Publication W097-444671 The dispensing apparatus is equipped with a plurality of nozzles having a plurality of pipette tips each having the above-mentioned capacity, and is not only used for a large number of containers having such a capacity but also for a number of unused or used pipes.
- a relatively small volume of liquid has been obtained by arranging a pipe tip and automatically attaching and detaching the pipe tip to and from the nozzle.
- a syringe having a plunger provided separately is used in order to perform suction and discharge by adjusting the pressure in the pipe tip.
- the pipette tip structure was simplified by mounting it on a nozzle that communicates with the nozzle.
- the amount of air used for adjusting the pressure must be equal to the total capacity of the pipe tip, the capacity of the nozzle, and separately provided.
- the total volume of the pipes connected to the selected cylinder Considering that the volume of gas such as air is more likely to fluctuate depending on pressure and temperature than liquid, the increase in the amount of air to be handled due to the large capacity of the pipette tip increases the accuracy of the liquid suction and discharge operation. There was a problem that there was a possibility that it would worsen.
- a first object of the present invention is to provide a relatively large capacity (more than several milliliters, for example, Dispense cylinder that can perform processing with excellent quantitative performance and high reliability, even though it handles fluids of 0 force and several hundred milliliters) It is an object of the present invention to provide a method of using a large volume dispensing device.
- the second purpose is a dispensing cylinder and a large-capacity dispensing device that can suppress the scale of the device and efficiently use the working space despite handling large volumes of fluid.
- An object of the present invention is to provide a method of using a volume dispensing device.
- the third purpose is to reliably prevent cross-contamination due to the inspection target, etc., and to take care of the safety of the operator and to make it easy to handle the dispensing cylinder, large-volume dispensing device and large-volume dispensing. It is to provide a method of using the device.
- a fourth object is to provide an inexpensive dispensing cylinder having a simple structure, a large-capacity dispensing device, and a method of using a large-capacity dispensing device.
- a first aspect of the present invention provides a small-diameter portion, a large-diameter portion that communicates with the small-diameter portion and is capable of containing a fluid, and is slidably provided in the large-diameter portion.
- a sliding part that enables suction and discharge of fluid to and from the large diameter part through the small diameter part, and a connecting part that detachably connects the sliding part to a suction and discharge mechanism that drives the sliding part.
- a dispensing cylinder having: .
- the sliding portion is preferably provided so as to slide in the large diameter portion along the axial direction of the large diameter portion.
- the connecting portion be provided at a portion of the sliding portion that is outside the large diameter portion.
- the small-diameter portion has a shape and a size such that the tip portion can be inserted into a container provided outside the small-diameter portion, and is sufficiently larger than the large-diameter portion so as not to impair the fluid suction / discharge operation. Formed thinly.
- the diameter of the small-diameter portion is such that a magnetic field is applied from outside the small-diameter portion, and the magnetic particles can be adsorbed on the inner wall of the small-diameter portion, and Therefore, it is preferable to form the liquid so as not to cause clogging in suction and discharge of the liquid.
- the suction and discharge mechanism refers to a mechanism provided outside the dispensing cylinder and configured to perform suction and discharge of fluid to the large diameter portion through the small diameter portion.
- the connecting portion is connected to the operating portion of the ejecting mechanism, the large-diameter portion is connected to the non-operating portion of the suction / discharge mechanism, and the sliding portion is driven.
- a locking portion for preventing the large diameter portion from moving is provided directly on the large diameter portion or on another member provided on the large diameter portion.
- a stopping part for example, the sliding part of the sliding part is formed at the outer surface of the large diameter part or at the end of the large diameter part which is far from the small diameter part.
- One or more flanges provided so that the driving shaft protrudes from the outer surface of the tubular member through which the moving shaft extends.
- the flange or the other member is clamped between the flanges or between the flange and another member so that a member provided at a non-operating portion of the suction / discharge mechanism is fitted into the flange.
- the end of the large-diameter portion, which is closer to the small-diameter portion, of the large-diameter portion prevents unintended 1 / ⁇ liquid from remaining in the large-diameter portion. It is preferable to form the tapered shape, for example, a truncated cone, so that the liquid can be smoothly moved between them.
- the fluid is directly sucked and stored in the large diameter portion provided with the sliding portion via the small diameter portion. Therefore, in the dispensing apparatus using the dispensing cylinder, in addition to the large-diameter portion for accommodating the fluid, a separately provided cylinder capable of accommodating the same volume of air, and a pipe for connecting them. Does not require Therefore, the adjustment of the pressure inside the dispensing cylinder when suctioning and discharging the liquid is performed by adjusting the capacity of the small diameter part and the capacity of the large diameter part which is minimized by sliding of the sliding part. You only have to go for the minute air. In general, the volume of a gas fluctuates remarkably due to temperature and pressure fluctuations.
- the amount of gas to be pressure-controlled can be sufficiently small as compared with the case where a separate cylinder is provided, the liquid suction amount and the discharge amount can be accurately and precisely. It can be controlled and has high quantitativeness.
- the dispensing cylinder has a sliding portion at a large diameter portion where a fluid is suctioned and discharged. Therefore, in the dispensing apparatus using the dispensing cylinder, in addition to the large-diameter portion, another cylinder having a mechanism such as a piston having a similar capacity, or a pipe or the like connecting these cylinders is further provided. Since it is not required, the overall size of the dispensing device can be suppressed, and the work space can be used efficiently. Therefore, the dispensing cylinder is particularly suitable for handling a relatively large volume of fluid for many types of inspection objects. Also, a connecting portion detachably connectable to a suction / discharge mechanism for driving the sliding portion. Is provided on the dispensing cylinder.
- the sliding portion can be automatically driven by a suction and discharge mechanism, not manually, and is provided separately from the suction and discharge mechanism having a complicated drive mechanism and can be freely attached to and detached from the mechanism. And can be manufactured at low cost. Therefore, it can be used as a disposable dispensing cylinder, and highly reliable processing can be performed.
- the sliding portion has a piston that slides in the large diameter portion, an end portion fixed to the biston, and a port that is provided on the other end of the rod. Is a dispensing cylinder provided with the connecting portion.
- a pipe supported by the end portion and having a diameter such that the rod operably penetrates the inside thereof is coaxial, and from the end of the large diameter portion. It is preferable that the piston is provided outward so that the biston does not come off from the large diameter portion, and that the mouthpiece is operably held along the axis.
- a space is provided in which the space on the mouth side of the large-diameter portion partitioned by biston communicates with the outside air.
- the locking portion for example, a flange is provided on the pipe, and the pipe is sandwiched between the flange and the end of the large-diameter portion so as to be fitted into the side face of the pipe. It is preferable that the large diameter portion is prevented from moving when the piston slides by being locked to the portion.
- the diameter of the opening is sufficiently smaller than the large-diameter portion. Therefore, by forming the tube to be sufficiently thinner than the large-diameter portion, the tube can be formed more tightly than the large-diameter portion itself is sandwiched. Providing a clamping mechanism can secure the clamping without taking up space, and the structure is simple.
- the sliding portion in the dispensing cylinder since the sliding portion in the dispensing cylinder has a simple structure, it can be manufactured at a lower cost. This allows it to be used as a disposable dispensing cylinder. Therefore, cross contamination can be reliably prevented, and highly reliable processing can be performed. Also, by providing a portion for operably holding the mouthpiece in the large-diameter portion, the rod can be reliably operated, and by using the portion to lock the large-diameter portion, a simple structure is provided. The suction and discharge mechanism You can wear it.
- a fitting portion is provided outside the small-diameter portion of the dispensing cylinder so as to surround an upper portion of the small-diameter portion, and the fitting portion covers the small-diameter portion.
- This is a dispensing cylinder to which the opening of the sheath is fitted and fitted.
- the fitting portion is formed near the large diameter portion of the small diameter portion so as to cover the whole or most of the small diameter portion.
- the sheath can be mounted so as to cover the small-diameter portion.
- the operator can be prevented from coming into contact with the sample or the reagent, which is safe.
- the sheath is attached by fitting to the fitting portion, it is possible to automatically perform it without manual intervention by lowering the small diameter portion, so that handling, ease, .
- a small-diameter portion a large-diameter portion which communicates with the small-diameter portion and is capable of containing a fluid, and is slidably provided in the large-diameter portion.
- One or more parts each having a sliding portion capable of sucking and discharging a fluid and a connecting portion for detachably connecting the sliding portion to a suction / discharge mechanism for driving the sliding portion.
- An injection cylinder, the suction / discharge mechanism connected to the connection section to drive the sliding section, and a mounting for detachably mounting the large diameter section to the suction / discharge mechanism to lock the large diameter section.
- a large-capacity component comprising: a container, a container arrangement region in which a plurality of containers can be arranged, and a moving unit that can move one or more dispensing cylinders relative to the container arrangement region.
- Injection device it is preferable that the “moving unit” can be moved within a range covering the entire area of the container arrangement area. The movement includes not only movement between containers, for example, movement in the horizontal direction, but also raising and lowering movement of the dispensing cylinder for inserting or removing a small-diameter portion with respect to the container. It is preferable that the elevating / moving unit for elevating / lowering the dispensing cylinder is provided so as to move together with the dispensing cylinder by a horizontal moving unit of the dispensing cylinder.
- the “mounting portion” is removably mounted so as to stop at a non-operating portion of the suction / discharge mechanism using the locking portion of the dispensing cylinder.
- the container arrangement region at least a container having the same volume as the large diameter portion
- the plurality of containers may include the number of lines of the dispensing cylinder, a container containing a necessary reagent, a sample, a washing solution, a suspension of magnetic particles, a product, or a sheath, or a container for a reaction. It is preferable to arrange the containers in a matrix with the number of rows required for the processing and inspection such as.
- a dispensing cylinder including a function of performing suction and discharge of a fluid is mounted on and detached from a large-volume dispensing device for use. Therefore, when performing suction and discharge of the fluid, parts such as a cylinder using a piston having a capacity corresponding to the capacity and a connection pipe are not required in addition to the dispensing cylinder.
- the adjustment of the pressure at the time of sucking and discharging the liquid is performed by adjusting the gas in the dispensing cylinder, that is, the air in the large-diameter portion where the amount of air is minimized by the capacity of the small-diameter portion and the sliding of the sliding portion. It suffices to go for the amount corresponding to the capacity.
- the volume of a gas tends to fluctuate depending on temperature and pressure. Therefore, if a structure is adopted in which the amount of gas subject to pressure adjustment is sufficiently smaller than the amount of liquid to be handled, the amount of liquid suction and discharge can be determined more accurately and precisely. .
- this dispensing device uses a dispensing cylinder in which a sliding portion is provided in a large diameter portion where fluid is suctioned and discharged. Therefore, as described above, the present dispensing apparatus does not require another cylinder having a mechanism such as biston having the same volume in addition to the large diameter portion, or a pipe connecting these cylinders. Therefore, the overall size of the dispensing device can be suppressed, and the work space can be used efficiently. Therefore, this dispensing device is particularly suitable for handling relatively large volumes of fluid for many types of test objects.
- a large-sized apparatus having a gap removing mechanism provided in the connection part of the dispensing cylinder and the connected part connected to the connection part, the gap removal mechanism being provided in the suction / discharge mechanism. It is a volume dispensing device.
- a gap is provided between the connecting portion and the connected portion for easy operation. Provide. If an attempt is made to transmit the operation of the suction / discharge mechanism to the sliding portion of the dispensing cylinder in the presence of this gap, rattling occurs between the connecting portion and the connected portion, and an accurate amount of fluid is generated. There is a possibility that suction and discharge cannot be performed. Therefore, a gap removing mechanism for removing the gap is provided.
- the fifth aspect by providing a gap between the connecting portion of the dispensing cylinder and the connected portion of the suction / discharge mechanism, it is easy to connect the connecting portion to the connected portion. Can be done. Further, by providing a gap removing mechanism for automatically removing the gap, a gap between the connecting portion and the connected portion is removed, and transmission of force from the suction / discharge mechanism to the sliding portion is performed. It can be done reliably. This makes it possible to control the amount of suction and discharge of the dispensing cylinder precisely and accurately, so that highly reliable processing can be performed.
- the small-diameter portion has a fitting portion formed so as to protrude outward from the small-diameter portion.
- one or more sheaths that can be attached by fitting the opening to the fitting portion so as to cover the small-diameter portion of the dispensing cylinder. This is a large-capacity dispensing device that can be mounted on the small diameter part.
- a sheath attached so as to cover the small-diameter portion of the dispensing cylinder is arranged.
- the sheath is It has a sufficiently small volume compared to the dispensing cylinder. Therefore, instead of arranging the dispensing cylinder itself in the container arrangement area and automating the mounting and demounting, the mounting and demounting is manually performed, and only the mounting of the sheath is automatically performed so that the small diameter portion and the operator's hand can be connected. By preventing direct contact, the area used for mounting and removing the dispensing cylinder can be reduced, and the working area can be used more efficiently.
- a large-capacity dispenser comprising: Dispensing device.
- the magnetic working part and therefore the magnetic working area on the vertically movable path in which the magnetic working part can exert a magnetic field, is used for movement between containers, that is, for horizontal movement of the dispensing cylinder.
- it is provided so as to move with the dispensing cylinder.
- the magnetic particles can be separated from the container containing various contents by adsorbing the magnetic particles on the inner wall of the small diameter portion by magnetic force.
- the magnetic portion is formed to be slightly thicker than the lower portion of the diameter portion so that the magnetic field by the magnetic force portion is applied to the region, for example, the upper portion.
- the small-diameter portion is a position where a fluid can be suctioned and discharged to a container provided in the container arrangement region.
- a magnetic field can be exerted at the time of suction and discharge of the fluid.
- a magnetic field can be applied to the inside of the small-diameter portion in the path in which the small-diameter portion can move up and down. Therefore, no matter how large the capacity of the large diameter portion, a magnetic field can be reliably applied to the inside of the small diameter portion. Further, by providing a predetermined position or a magnetic force working area at a position where the fluid can be suctioned and discharged by the dispensing cylinder, a magnetic field can be exerted when the fluid is suctioned and discharged. Since a magnetic field can be applied to all the magnetic particles contained in the steel, the efficiency is high. In addition, since a magnetic field can be applied simultaneously with suction and discharge, Can be done quickly.
- An eighth invention is a large-capacity dispensing device having an optical measuring unit capable of optically measuring the liquid amount in the dispensing cylinder.
- the wall surface of the dispensing cylinder is preferably formed of a translucent or semi-translucent material.
- the optical measuring section can move in the horizontal direction together with the dispensing cylinder.
- the optical measurement unit is movable in the vertical direction independently of the dispensing cylinder.
- the liquid volume of the dispensing cylinder when the suction or discharge operation is performed by the dispensing cylinder is optically measured, so that the suction or discharge operation is performed after the suction or discharge operation is performed. Since the suction / discharge operation of the amount of the remaining liquid and the like can be confirmed, it is possible to perform processing with higher quantification and higher reliability.
- the optical measuring unit includes: a CCD camera having an optical axis along the axis direction of the dispensing cylinder; and reflecting light from the dispensing cylinder to be incident on the CCD camera. This is a large-capacity dispensing device having a mirror to be dispensed.
- the light from the dispensing cylinder can be changed in the optical axis direction of the CCD camera. Therefore, by setting the optical axis of the CCD camera so as to be parallel to the axial direction of the dispensing cylinder, the scale of the apparatus can be suppressed and the work area can be used efficiently.
- each dispensing cylinder is sandwiched.
- the presence or absence of the liquid in the small diameter portion may be detected.
- the degree of attenuation of transmitted light is different between the large-diameter portion and the small-diameter portion. Therefore, the level of the threshold value of the output electric signal of each pair of light receiving elements is made different.
- the CCD camera Since the structure is simpler than providing a mirror and a mirror, and there is no need for a mechanism for moving the dispensing cylinder, the scale of the apparatus and the manufacturing cost can be reduced.
- a tenth invention is a large-capacity dispensing device, wherein the optical measuring device is relatively movable with respect to two or more dispensing cylinders.
- one dispensing cylinder has a large capacity, two or more dispensing cylinders cannot be measured at the same time, so move one or a small number of dispensing cylinders for measurement. It is.
- the CCD camera so as to be relatively movable with respect to the two or more dispensing cylinders provided, using one CCD camera, Even with a plurality of large-capacity dispensing cylinders, it is possible to take an image of a necessary part by using each dispensing cylinder.
- An eleventh invention is a large-capacity dispensing device having an identifier for identifying the container attached to the container arranged in the container arrangement area, and having a reading unit for reading the identifier attached to the container. is there.
- the identifier is, for example, a par code.
- the reading unit can be movable together with the dispensing cylinder or independently of the dispensing cylinder. When reading the identifier attached to the side surface of the container, it is preferable that the container can be vertically moved independently of the dispensing cylinder. The movement of the reading unit may be performed together with or independently of the optical measuring unit.
- the eleventh aspect by attaching an identifier to the container and reading the identifier, the contents contained in the container are automatically recognized without increasing the burden on the user, Highly reliable processing can be performed.
- a twelfth invention is a large-volume dispensing device, wherein the identifier is attached to a tag that is detachably attached to the container.
- the identifier is attached to the tag that is detachably attached to the container instead of the container itself, so that the identifier can be easily attached and detached, and the container can be reused and the identifier can be used. It can be reused.
- a temperature for adjusting a temperature of the arranged container is provided in the container arrangement area. It is a large capacity dispensing device having a degree adjusting unit.
- the temperature control unit for controlling the temperature of the arranged container, a series of necessary processes can be performed consistently using the large-volume dispensing apparatus. At the same time, various kinds of processing can be performed.
- a fourteenth invention is directed to a small-diameter portion, a large-diameter portion that communicates with the small-diameter portion and is capable of containing a fluid, and that is slidably provided in the large-diameter portion and is connected to the large-diameter portion via the small-diameter portion.
- dispensing which has a sliding part that enables suction and discharge of fluid and a connecting part that detachably connects the sliding part to a suction and discharge mechanism that drives the sliding part.
- a method of using a large-volume dispensing device having the following.
- the dispensing cylinder is attached to the large-capacity dispensing apparatus, or the connection of the attached cylinder is connected to the suction / discharge mechanism. Preparation for placement is required.
- a dispensing cylinder having a function of sucking and discharging a fluid is mounted on and detached from a large-capacity dispensing apparatus for use. Therefore, when performing suction and discharge of the fluid, parts such as a cylinder using a piston having a capacity corresponding to the capacity and a connection pipe are not required in addition to the dispensing cylinder.
- the adjustment of the pressure at the time of sucking and discharging the liquid is performed in such a manner that the amount of gas in the dispensing cylinder, that is, air, is minimized by the capacity of the small diameter portion and the sliding of the sliding portion. It suffices if it is performed for the part corresponding to the capacity of the part. In general, the volume of a gas tends to fluctuate depending on temperature and pressure. Therefore, if a structure is adopted in which the amount of gas subject to pressure adjustment is sufficiently smaller than the amount of liquid to be handled, the amount of liquid suction and discharge should be determined more accurately and precisely. Can be.
- this dispensing device uses a dispensing cylinder in which a sliding portion is provided in a large diameter portion where fluid is suctioned and discharged. Therefore, in the present dispensing apparatus, as described above, in addition to the large-diameter portion, another cylinder having a mechanism such as biston having a similar body, or a pipe connecting these cylinders is further required. Therefore, the overall size of the dispensing device can be suppressed, and the work space can be used efficiently. Therefore, this dispensing The device is particularly suitable for handling relatively large volumes of fluid for many types of test objects.
- the dispensing cylinder is moved to a position in the container arrangement area where the sheath is arranged, and the dispensing cylinder is lowered to move the sheath to the dispensing cylinder.
- the sheath mounting step is necessary when the operator removes the dispensing cylinder used after storing a series of processes and storing the product in a predetermined container.
- a sheath mounted so as to cover a small-diameter portion of the dispensing cylinder is arranged in the container arrangement region. I am trying to do it.
- the sheath has a sufficiently small volume as compared to the dispensing cylinder. Therefore, instead of arranging the dispensing cylinder itself in the container arrangement area and automating the mounting and demounting, the mounting and demounting is performed manually and only the mounting of the sheath is automated, so that the connection between the small diameter portion and the operator's hand is performed. If direct contact is prevented, the area used for mounting and dismounting the dispensing cylinder can be reduced, so that the working area can be used more efficiently.
- the amount of liquid in the dispensing cylinder is controlled by light during the suction / discharge step.
- This is a method of using a large-volume dispensing device that has an operation confirmation step of confirming the results of suction and discharge by performing biological measurements.
- the liquid volume of the dispensing cylinder when the suction or discharge operation is performed by the dispensing cylinder is optically measured.
- the suction / discharge operation such as the amount of the liquid stored or remaining after the suction or the discharge, it is possible to perform the processing with higher quantitativeness and higher reliability.
- a seventeenth invention is a method for using a large-capacity dispensing apparatus having a container arrangement confirmation step of confirming arrangement of containers in the container arrangement region by reading an identifier of an arranged container.
- the seventeenth invention similarly to the eleventh invention, by attaching an identifier to the container and reading the identifier, the contents accommodated in the container can be reduced without increasing the burden on the user. It can automatically recognize and perform highly reliable processing.
- the eighteenth invention is directed to a large-capacity system having the step of adjusting the temperature of the fluid by transferring the fluid to a container provided with a temperature control unit for adjusting the temperature of the container using the dispensing cylinder. This is how to use the dispensing device.
- a temperature control unit for controlling the temperature of the arranged container, a series of necessary processes can be performed using the large-volume dispensing apparatus. Can be performed consistently, and various various processes can be performed.
- a ninth aspect of the present invention is a gap removing step that removes a gap between a connected portion of the dispensing cylinder mounted on the suction / discharge mechanism and a connected portion connected to the connected portion. This is a method of using a large-volume dispensing device having
- the covering of the connecting part can be improved.
- the connection with the connecting portion can be easily performed.
- a gap removing mechanism for automatically removing the gap the gap between the connecting portion and the connected portion is removed, and the transmission of the force from the suction / discharge mechanism to the sliding portion is performed. It can be done reliably. This enables precise and accurate control of the amount of suction and discharge of the dispensing cylinder. Therefore, highly reliable processing can be performed.
- the present invention provides a process for moving a small-diameter portion of a dispensing cylinder up and down to a magnetic force working area provided on a path in which the small-diameter portion can move up and down;
- a method for using a large-volume dispensing device comprising: applying or removing a magnetic field to or from the small-diameter portion in the magnetic working area when sucking or discharging a solution in which particles become turbid.
- the magnetic force working area that is, the height position where the magnetic force source of the magnetic force part is provided, is in a state where the tip of the small diameter part is inserted into the container and the liquid can be sucked and discharged. It is preferable that the height is set within a range of the height from the container disposition area so that a magnetic field can be applied to the small diameter portion. Further, the “magnetic particles” are provided such that a predetermined substance such as a target substance is bound thereto or can be bound thereto.
- a magnetic field can be applied to the inside of the small-diameter portion in the path in which the small-diameter portion can move up and down. Therefore, no matter how large the capacity of the large diameter portion, a magnetic field can be reliably applied to the small diameter portion. Further, by providing a predetermined position or a magnetic force working area at a position where the fluid can be suctioned and discharged by the dispensing cylinder, a magnetic field can be exerted when the fluid is suctioned and discharged, so that the magnetic field is contained in the fluid. Since a magnetic field can be applied to all the magnetic particles to be produced, the efficiency is high. In addition, since a magnetic field can be applied simultaneously with suction and discharge, processing can be performed quickly.
- FIG. 1 is a diagram showing a dispensing cylinder according to an embodiment of the present invention
- FIG. 2 is a perspective view of a large-volume dispensing device according to an embodiment of the present invention
- FIG. FIG. 4 is a front view of the large-volume dispensing apparatus according to the embodiment
- FIG. 4 is a side view of the large-volume dispensing apparatus according to the embodiment of the present invention
- FIG. 5 is a large-volume dispensing apparatus according to the embodiment of the present invention.
- FIG. 6 is a plan view of the apparatus
- FIG. 6 is a view showing a container and a bar code reader according to an embodiment of the present invention
- FIG. 7 is a processing flow chart according to the embodiment of the present invention
- FIG. 9 Dispensing according to another embodiment of FIG. 9 is a diagram illustrating a cylinder for use
- FIG. 9 is a diagram illustrating a large-capacity dispensing apparatus having an optical measurement unit according to another embodiment
- FIG. 10 is a diagram illustrating a multiple container storage unit according to the embodiment of the present invention.
- FIG. 11 is a perspective view
- FIG. 11 is a diagram showing a punching mechanism according to an embodiment of the present invention
- FIG. 12 is an explanatory diagram related to a bar code reader according to another embodiment of the present invention.
- FIG. 1 shows a dispensing cylinder 10 according to an embodiment.
- FIG. 1 (a) shows a perspective view of the appearance of the dispensing cylinder 10 and
- FIG. 1 (b) shows an exploded perspective view thereof.
- the dispensing cylinder 10 has a tapered substantially cylindrical small-diameter portion 11, a substantially cylindrical large-diameter portion 12 communicating with the small-diameter portion 11, and capable of containing a fluid;
- the large-diameter portion 12 corresponding to a sliding portion provided slidably in the portion 12 and capable of sucking and discharging fluid to the large-diameter portion 12 via the small-diameter portion 11.
- a disc-shaped piston 13 having an outer periphery closely contacting the inner wall, a rod 14 having one end fixed to the piston 13, and a rod 14 outside the large-diameter portion 12.
- a T-shaped end portion 1 formed in a substantially T-shaped front view as a connecting portion for detachably connecting the piston 13 to an operating portion of a suction / discharge mechanism described below that drives the biston 13. And 5.
- a head 16 is provided to cover the opening of the large diameter portion 12, and at the center of the head 16, a flange tube 17 is provided with a large diameter portion. It is provided so as to protrude outward coaxially with 12.
- the head 14 penetrates both the head 16 and the flange pipe 17, and a flange is provided at an upper end of the flange pipe 17.
- the T-shaped end 15 at the other end of the rod 14 is provided so as to be located outside the flange pipe 17.
- the flange pipe 17 holds the opening 14 operably and also corresponds to the stop section.
- the large diameter section 12 is attached to a non-operating portion of the suction / discharge mechanism. It is used for
- the rod 14 has a cross-section in cross section, and between the flange pipe 17 and A space is provided, and the space on the rod 14 side of the large diameter portion 12 partitioned by the piston 13 communicates with the outside air via a space between the flange tube 17. It is preferable that one or more grooves for improving watertightness are formed on the outer periphery 18 of the rubber 13.
- the lower end portion 19 of the large diameter portion 12 is formed in a substantially conical shape, and even when the piston 13 is at the bottom dead center, there is still a small capacity space there. Therefore, when the dispensing cylinder 10 according to the present embodiment is used, the pressure of air is reduced by the combined volume of the lower end portion 19 and the small diameter portion 11. Adjustments will be made. It should be noted that a gap may be provided in the head 16 instead of the gap between the flange pipe 17.
- the small diameter portion 11 has a tip portion 20 that can be inserted into each container, and as a fitting portion into which the opening portion 22 of the sheath 21 fits, one or a plurality of portions along the axis are provided.
- An outer ring portion 23 having a slightly larger diameter than the small-diameter portion 11 provided with a small cut is provided, and is provided so as to protrude downward from the lower end portion 19 so as to surround an upper portion of the small-diameter portion 11. Have been.
- the outer ring portion 23 is provided with a ridge along an outer periphery for engaging with an annular groove provided on the inner periphery of the opening of the sheath 21.
- the diameter of 3 is formed so as to fit into the opening of the sheath 21.
- the small-diameter portion 11, the large-diameter portion 12, and the outer ring portion 23 are made of a light-transmitting or semi-light-transmitting member, for example, glass or a resin such as polyethylene, acrylic, polyester, or polystyrene. It is formed.
- the capacity of the large diameter portion 12 is, for example, 50 milliliter.
- FIGS. 1 (c) and (d) show a dispensing cylinder 10 in a state where the opening of the sheath 21 is fitted to the outer ring portion 23 and the sheath 21 is attached, and the sheath 21 and Are respectively shown.
- FIG. 2 is a partially-omitted whole perspective view of a large-volume dispensing device 24 according to the second embodiment.
- the large-volume dispensing device 24 includes the eight dispensing cylinders 10 arranged in a line along a line extending in the X-axis direction in the figure and the eight dispensing cylinders 10 described above. It has a main body 26 provided with a suction / discharge mechanism 25 which is attached to the attachment / detachment itself and is connected to the connection portions 15 to drive the bistons 13 of the dispensing cylinder 10. You.
- the large-volume dispensing device 24 is further provided with the main body 26 and therefore the dispensing cylinder 10 movably in the vertical direction (Z-axis direction in the figure). 6 and, therefore, a Y-axis carriage 27 that allows the dispensing cylinder 10 to move along the Y-axis direction in the figure, and a container installation table provided with a container installation area 28 in which multiple containers are installed. 29 and are provided.
- the large-capacity dispensing device 24 includes, for example, an optical measuring unit 30 for optically measuring a liquid level and a container, in order to know the liquid amount of the eight dispensing cylinders 10.
- a bar code reader 31 for reading the obtained bar code, and a magnetic force part 32 for applying a magnetic field to the small diameter part 11 are provided.
- the main body 26 includes the suction / discharge mechanism 25 and eight dispensing cylinders 10.
- the suction / discharge mechanism 25 has eight substantially T-shaped front faces as eight connected parts to which the eight T-shaped ends 15 are fitted and the T-shaped ends 15 are connected by frictional force.
- a plate 34 belonging to the operating portion provided with a T-shaped groove 33 having a V-shaped groove, and fitted between the flange of the flange pipe 17 and the head 16 of the large diameter portion 12
- the dispensing cylinder 10 is attached by holding the outer peripheral surface in a state of being elastically biased from both sides of the outer peripheral surface, and the dispensing cylinder 10 is attached. And eight pairs of rod-shaped holding members 35.
- the suction / discharge mechanism 25 is notched in a guide plate to guide the dispensing cylinder 10 by contacting the outer peripheral surface of the large-diameter portion 12 of the dispensing cylinder 10.
- Eight semicircular guides 36 provided, and fixedly attached to the plate 34 so as to cover each T-shaped groove 33 from the upper side on the plate 34.
- Eight thin-hole Y-axis directions provided at positions corresponding to the T-shaped grooves 33 so that the T-shaped ends 15 can easily fit into the T-shaped grooves 33
- a gap removing mechanism for removing the gap is provided.
- a gap removing plate 37a provided so as to be able to advance and retreat along the Y-axis direction.
- the gap removing plate 37a is driven by a motor (not shown) and moves up and down together with the plate 34 and the like.
- the suction / discharge mechanism 25 includes the plate 34 and the upper plate which belong to the operation portion.
- a motor 38 for driving the biston 13 by driving a rate 37 or the like in the vertical direction; a pole screw 39 rotationally driven by the motor 38; a motor 38 and the ball screw 39, the holding member 35, and the guide portion 36 are provided, and the main body frame 40 belongs to a non-operating portion to which the eight dispensing cylinders 10 are mounted.
- the Y-axis carriage 27 is provided on a lower side of the frame 41 that supports the main body 26 so as to be movable in the vertical direction, and is provided below the frame 41 so that the Y-axis carriage 27 is movable.
- a timing belt 45 provided on the container mounting table 29; a leg 42 attached to the timing belt 45; and a container mounting table 29 provided along the Y-axis direction.
- the optical measuring section 30 is guided by a rail 48 fixedly provided on the frame 41 of the Y-axis carriage 27 along the X-axis direction in the drawing, and is provided along the rail 48.
- the X-axis carriage 50 that can travel on the Y-axis carriage 27 along the X-axis direction by the timing belt 49, and a support frame 5 that is provided to be vertically movable with respect to the X-axis carriage 50.
- the bar code reader 31 is provided below the support frame 51 so as to be movable up and down with respect to the X-axis carriage 50, similarly to the CCD camera 53 and the mirror 54.
- the CCD camera 53, the mirror 54, and the bar code reader 31 are independent of the dispensing cylinder 10 as far as the movement in the X-axis direction and the vertical direction is concerned.
- one cylinder is provided on the surface facing the cylinder 10 for dispensing, one cylinder corresponding to each cylinder 10 for dispensing.
- Eight rod-shaped backlight portions (not shown) having a length along the axial direction of about 0 large diameter portion 12 are provided. As a result, strong light is applied to the CCD camera 53. Can be incident.
- the backlight section corresponds to the irradiation section.
- the container arrangement region 28 is provided with eight rows of various containers 55, 56, 57, 58, 59, 60.
- reference numeral 61 denotes a container 55 and a barcode reader 31 attached to the container 56, and a size that allows the barcode reader 31 to be inserted.
- a groove is provided in the container placement table 29 which is arranged so as to be readable by the barcode reader 31.
- FIG. 3 shows the large-volume dispensing device 24 from the front.
- the magnetic force part 32 is provided on a frame 41 of the Y-axis carriage 27.
- the magnetic force part 32 is a movable path corresponding to each of the eight dispensing cylinders 10 that moves up and down, and has a magnetic work area at a relatively lower predetermined position.
- the magnetic force working area is located at a position where the distal end portion 20 of the small-diameter portion 11 is inserted into a container located in the container arrangement region and the liquid can be sucked and discharged to the container.
- the magnetic force portion 32 approaches and separates from each of the small-diameter portions 11 in order to apply a magnetic field to each of the small-diameter portions 11 located in the magnetic-force working area to remove the magnetic force.
- Eight magnet blocks 62 provided so as to be movable in the Y-axis direction, and the magnet blocks 62 are driven so as to approach and separate from the small-diameter portion 11. And a motor 63. Since the magnetic force portion 32 is provided on the Y-axis carriage 27 ′, the magnetic force portion 32 can be moved together with the dispensing cylinder 10 by moving the Y-axis carriage 27.
- Reference numeral 66 denotes a timing belt for transmitting the rotation of the Z-axis elevating motor 46 to the ball screw 47 together with the sprocket.
- reference numeral 67 denotes a motor for rotating a timing belt 45 for moving the Y-axis carriage 27.
- FIG. 4 shows a side view of the large-volume dispensing device 24 according to the embodiment.
- reference numeral 68 denotes a motor for rotating a timing belt 49 for moving the X-axis carriage 50 with a sprocket.
- reference numeral 69 denotes the flange tube 17 with respect to the holding member 35. This is for moving each of the holding members 35 by a very small distance so as to hold them in a state of being urged.
- FIG. 5 shows a plan view of the large-volume dispensing device 24 according to the embodiment.
- reference numeral 70 denotes a rotating shaft for transmitting the rotational drive of the motor 67 for driving the timing belt 45 to the timing belt 45 provided on the opposite side of the container mounting table 29.
- the containers 55, 56, 57, 58, 59, 60 are arranged on the container mounting table 29.
- the container 55 stores a product
- the tag 71 to which a bar code as an identifier described above is attached is detachably provided to the container 55.
- the container 56 for storing the sample is also provided with a par code as an identifier.
- the container 57 houses the sheath 21 so that the sheath 21 can be attached by inserting the small-diameter portion 11 of the dispensing cylinder 10.
- the container 58 is a 50 milliliter container for storing a liquid having a relatively large capacity corresponding to the capacity of the large diameter portion 12.
- the container 59 is a pre-packed reagent tray of 15 milliliters in which a relatively small volume of a predetermined reagent is previously stored.
- the container 60 contains a predetermined reagent.
- a heating block (not shown) for heating the container 60 is provided on the container mounting table 29 so as to surround the container 60 or in the vicinity thereof.
- FIGS. 6A and 6B show a bar code 72 attached to a tag 71 detachably attached to the container 55 and a par code 73 attached to the container 56.
- FIG. 6C shows the bar code reader 31, and reference numeral 74 denotes a reading surface on which bar codes 72 and 73 can be read.
- Said read up surface 7 4, the barcode one Dorida 3 1 are also provided on the back side, by moving the groove 61 in the X-axis direction, are disposed to face the groove portion 61 side barcode It is possible to read the keys 7 2 and 7 3 at a time.
- a notch is provided in a portion of the groove 61 for accommodating the container 56 so that the bar code 73 is arranged on a wall surface of the groove 61.
- the tag 71 is provided with a hole having a size into which the upper portion of the container 55 enters, and the tag 71 moves around the container 55.
- a locking portion such as a protrusion or a dent is provided so as not
- the suction / discharge mechanism 25 the Y-axis carriage 27, the X-axis carriage 50, the Z-axis lifting / lowering mechanism,
- the monitoring unit further includes an arrangement data storage unit that stores the arrangement data obtained from the arrangement confirmation unit, and the measurement result determines a comparison result with a normal optical pattern based on data obtained in advance or an experiment. As a result, it has a measurement result determination unit for associating the operation instruction with the data related to the dispensing cylinder 10 and a monitoring result storage unit for storing the monitoring result.
- control unit is constituted by an information processing device (not shown) having a CPU, various memories, and various program data.
- the input unit is formed by, for example, a keyboard, a mouse, a switch, a communication line, or the like (not shown).
- the output unit may include a display unit such as a liquid crystal or a CRT, a printer, a CD drive, a DVD drive, or a communication line.
- step S1 a whole blood sampled from each human body is stored in each of eight containers 56 as a specimen, and the sheath 21 is stored in each of eight containers 57, and a relatively large volume is stored.
- Each of the first eight systems of container 58 contains a lysate for lysing cells in blood, and each of the eight in the second column contains magnetic particles as magnetic particles.
- each of the eight pieces in the first row of the container 59 having a relatively small capacity holds a suspension of silica beads having a magnetic material, and each of the eight pieces in the second row contains pure silica beads.
- a container containing an eluate such as water is placed on the container mounting table 29.
- step S2 after installation, the Y-axis carriage 27 is moved in the Y-axis direction to be positioned in the groove 61, and then the motor 52 is driven to move the support frame 51.
- the bar code reader 31 is inserted into the groove 61, and then the X-axis carriage 50 is moved to move the containers 55, 56 while moving in the X-axis direction.
- the eight sets of barcodes are sequentially read to determine whether the containers 55, 56 contain or intend to contain the intended contents in advance.
- the comparison result may be immediately displayed on the display unit as the output unit, or may be stored in the memory.
- each of the dispensing cylinders 10 is mounted on the large-volume dispensing device 24.
- the dispensing cylinder 10 is mounted manually by an operator.
- the T-shaped end 15 provided at the upper end of the rod 14 of the dispensing cylinder 10 is fitted into the T-shaped groove 33 by utilizing a gap provided in the upper plate 34.
- the flange tube 17 of the dispensing cylinder 10 is moved by the holding member 35 on both sides. And put it on.
- step S4 in order to remove a gap above the T-shaped end 15 of the dispensing cylinder 10 mounted and held in the T-shaped groove 33 by frictional force.
- the gap is removed by sliding the gap removing plate 37a in the gap in the Y-axis direction to enter the gap.
- step S5 the Y-axis carriage 27 provided with the eight dispensing cylinders 10 arranged along the X-axis direction is simultaneously moved along the Y-axis to Move to the row position of 56, drive the Z-axis elevating motor 46, lower the eight dispensing cylinders 10 all at once, and insert them into the container 56.
- the eight bistons 13 are simultaneously moved upward. Then, eight blood samples of each patient contained in the container 56 are simultaneously aspirated to the large-diameter portions 12 of the dispensing cylinder 10.
- the backlight portion (not shown) irradiates the large-diameter portion 12 of the dispensing cylinder 10 with light, and the dispensing is performed using the CCD camera 53 and the mirror 54.
- the CCD camera 53 sequentially took images of the eight dispensing cylinders 10 while moving the X-axis carriage 50 in the X-axis direction, and aspirated the large-diameter portions 12. Confirm the presence and amount of the sample liquid, and make it possible.
- step S6 the dispensing cylinder 10 is moved in the Y-axis direction to the position of the first column of the container 58, and the aspirated blood is collected in the container 58. Dispense into the contained cell lysate.
- the cells in the blood are lysed by mixing and agitating the cell lysate with the blood to extract DNA and the like into the liquid. The entire amount of the solution is sucked into the dispensing cylinder 10 and the dispensing cylinder 10 is moved in the Y-axis direction.
- Step 7! Then, the dispensing cylinder 10 is moved to the second system IJ of the container 58, and the solution is placed in the binding reagent for facilitating the binding of the DNA and the like to the magnetic particles. Discharge.
- the binding reagent is, for example, a neutralization buffer solution when the magnetic particles are silica beads.
- step S8 after the solution is discharged, the empty dispensing cylinder 10 is moved in the Y-axis direction, and is moved to the first row of the container 59 to have a magnetic material.
- the suspension of the silica beads is sucked, moved in the Y-axis direction, moved to the second row of the container 58, and discharged into the container 58 to discharge the solution. And stir together.
- step S9 the small-diameter portion 11 of the dispensing cylinder 10 is moved up and down to the magnetic working area of the magnetic portion 32.
- the motor 63 is driven to apply a magnetic field to the small-diameter portion 11, and the eight magnet blocks 62 are connected to each of the eight small blocks. Close the diameter part 1 1.
- the suction and discharge of the solution are repeated with the magnet block 62 approaching.
- the silica beads to which the DNA or the like has been attached are separated while being adsorbed on the inner wall of the small-diameter portion 11, and the remaining liquid is separated. Is discharged.
- step S10 with the magnet block 62 approaching the small-diameter portion 11, the silica beads combined with the DNA and the like are mixed with the small-diameter portion 11 of the dispensing cylinder 10.
- the dispensing cylinder 10 is moved in the Y-axis direction while being adsorbed on the inner wall, and positioned at the third position IJ of the container 58 containing the cleaning liquid.
- the small-diameter portion 11 is inserted into the container 58, and the magnet block 62 is separated from the small-diameter portion 11 to remove the magnetic field. Resuspend the pelleted beads.
- the suction and discharge are repeated by bringing the magnet block 62 into close proximity, and the silica beads are again sucked to the inner wall of the small diameter portion 11 and the remaining liquid is discharged.
- step S11 the dispensing cylinder 10 is moved to be positioned in the second column of the container 59 containing the eluate for separating the DNA and the like from the silica beads, The liquid is sucked, moved in the Y-axis direction, and discharged together with the force bead in a state where the magnet block 62 is separated from the container 60 provided with a heating block. And incubate.
- step S12 after a lapse of a predetermined time, with the magnet block 62 approaching, the entire amount is sucked, moved to the Y-axis, moved to the container 55, and discharged in that state.
- the silica beads are still adsorbed on the inner wall of the small-diameter portion 11, a liquid in which a residual liquid such as DNA is suspended is obtained.
- step S13 the dispensing cylinder 10 is moved to the container 57 in which the sheath 21 is accommodated, and the small-diameter portion 11 is lowered. Then, the sheath 21 is fitted to the outer ring portion 23 and the sheath 21 is attached to the small diameter portion 11.
- step S14 the operator detaches the dispensing cylinder 10 from the large-volume dispensing device 24 with the sheath 21 and is discarded.
- the dispensing cylinder 10 can be attached and detached without the reagent or the like adhering to the operator's hand, so that the operator is not contaminated with the reagent, the sample, and the like, so that it is safe. It is.
- step S 7 step S 10, and step S 12, using the CCD camera 53, Capture the state and complete the process It is preferable to confirm the operation later. As a result, highly reliable processing can be performed.
- FIG. 8 shows a dispensing cylinder 80 used in a large-volume dispensing device (indicated by reference numeral 124 in FIG. 9) according to another embodiment.
- the dispensing cylinder 80 has a tapered substantially cylindrical small diameter portion 81, a substantially cylindrical large diameter portion 12 communicating with the small diameter portion 81, and capable of containing a fluid, A disk-shaped piston that is slidably provided within the portion 12 and that corresponds to a sliding portion that can suck and discharge fluid to the large-diameter portion 12 through the small-diameter portion 81.
- the large-volume dispensing device (reference numeral 124 in FIG. 9) according to the embodiment is different from the large-volume dispensing device 24.
- the small-diameter portion 81 is composed of an upper small-diameter portion 84 and a lower small-diameter portion 88, and the upper small-diameter portion 84 has a smaller diameter than the large-diameter portion 12. Although it is formed sufficiently small, it is formed relatively larger than the diameter of the lower small diameter part. As a result, the upper small-diameter portion 84 can sufficiently apply a magnetic field to the inside. It does not impede fluid flow.
- Reference numeral 86 denotes a head
- reference numeral 87 denotes a flange pipe.
- FIG. 9 shows a liquid amount detection mechanism in the large-volume dispensing device 124.
- the X-axis carriage 50 that can travel along the X-axis direction, and the CCD camera 53 and the mirror 5 provided on the X-axis carriage 50
- each pair of light-emitting element 91, light-receiving element 93, light-emitting element 92, and light-receiving element 94 for each of eight dispensing cylinders 80 each dispensing cylinder 80 And is fixed to the support plate 90 perpendicularly to the axial direction so as to sandwich it.
- one pair detects the presence or absence of the liquid in the large-diameter portion 12, and the other pair detects the presence or absence of the liquid in the small-diameter portion 81 so that the electric power output from the light receiving element is detected.
- the dispensing cylinder 80 is moved up and down while measuring the presence or absence of liquid at the large diameter portion and the small diameter portion. According to the present embodiment, there is no need to provide a CCD camera, a mirror, a backlight, and a moving mechanism for the X-axis carriage, so that the size of the apparatus can be suppressed and the manufacturing cost can be reduced.
- FIG. 10 (a) shows a multiple container storage unit 100 used in the large-volume dispensing device 124 according to the present embodiment.
- the multi-container storage unit 100 includes a plurality of (seven in this example) containers 101 for storing or storing various reagents, and a box for storing the bottles 101 in a row. 102.
- information on the multi-container storage section 100 for example, information such as expiration date, reagent type, test type, identification number, person in charge, etc. is displayed.
- the par code 103 is added as an identifier.
- FIG. 10 (b) shows an example of the capacity of the bottle 101 stored in the box 102, although there may be various cases.
- the bottle 101 has a neck 104, a body 105, and a tapered bottom 106, and the body 105 has a locking claw 107 provided with the box 100. This prevents rattling of the bottle 101 within 2.
- FIG. 11 shows a punching mechanism provided in the large-volume dispensing device 124.
- the object to be perforated by the perforation mechanism is a case where the opening of the bottle 109 of the multi-container storage unit 108 is sealed in advance with a lid that can be perforated.
- the drilling mechanism includes a plate 111 attached with the magnet block 62 and movably provided to move the magnet block 62 closer to or away from the dispensing cylinder 80.
- An upper end portion 113 of the drilling pin 110 provided with a recess for receiving a tip of the sheath 21 in a state where the sheath 21 is attached to the cylinder 80, and the through-hole below the plate 111.
- a pipe 1 1 4 provided to surround and protrude 1 1 2
- a spring 115 having an end attached thereto and the other end attached to the drilling pin 110, and for urging the drilling pin 110 upward elastically.
- the upper end portion 113 of the piercing pin 110 is located immediately below the tip portion 89 of the dispensing cylinder 80.
- the plate 11 is moved so as to perform the operation.
- the dispensing cylinder 80 is moved downward in the Z-axis direction so that the upper end 113 and the tip of the sheath 21 are in contact with each other.
- the bottle is moved downward to pierce the lid of the bottle 109.
- the dispensing cylinder 80 is moved upward to separate the tip of the sheath 21 from the upper end portion 113, so that the perforation pin 110 is also in the bottle 1. It will be located above 0 9.
- FIG. 12 illustrates a bar code reader 131, which is a reading unit, in the large-volume dispensing device 124.
- Fig. 12 (a) is a side view showing a container group provided with a barcode to be read by the barcode reader 13 1 and the parcode reader 131
- Fig. 12 (b) is a barcode reader.
- FIG. 3 is a plan view of a reader 13 1 and the container group.
- no mechanism is provided for moving the par code reader in the X-axis direction together with the above-mentioned CCD camera and mirror. Instead, a mechanism for moving the barcode reader 131 in the X-axis direction is provided in a space corresponding to the groove 61.
- the par code reader 13 1 is provided with par codes 72, 73 attached to each of the container 55, the container 56, and the multiple container storage section 108. , 103 are read without omission by moving in parallel in the X-axis direction such that the reading surface is at a predetermined angle with respect to the arrangement direction of the containers.
- reference numeral 120 denotes a mounting plate for mounting the containers 55, 56 and the plurality of container storage portions 108
- reference numeral 122 denotes the mounting plate.
- connection holes used for connection.
- these container groups are installed in the large-capacity dispensing device 124 corresponding to the container setting table 29 of the large-capacity dispensing device 24. In the large-volume dispensing apparatus according to the embodiment shown in FIGS.
- step S2 the barcode is read by the barcode reader 131, 1 3 1 force S, previously provided in the space corresponding to the groove 61 Therefore, there is no need to move the Y-axis carriage 27 in the axial direction to enter the groove 61, and it is only necessary to move the barcode reader 131 in the X-axis direction. Can be.
- step S5 the detection of the liquid amount does not require irradiation with the backlight portion, imaging with the CCD camera 53 and the mirror 54, and the process of moving the CCD camera 53 in the X-axis direction.
- the liquid of the large diameter part 12 and the small diameter part 81 are respectively used. By detecting the presence or absence, the presence or absence of the liquid can be detected.
- each of the embodiments described above is specifically described for better understanding of the present invention, and does not limit another embodiment. Therefore, it can be changed without changing the gist of the invention.
- the number, size, or shape of each component used in the above embodiment is not limited to these descriptions.
- the number of containers and dispensing cylinders is not limited to eight or eight rows, but may be another number including one or one row, for example.
- the dispensing cylinders may be arranged not only in a line but also in a matrix, ring or the like. Also, the arrangement of the containers can be changed according to the number and arrangement of the dispensing cylinders.
- the capacity of the dispensing cylinder and container is not limited to 5 milliliters.
- the shape of the sliding portion is not limited to that described in the embodiment.
- the processing for extracting DN and the like from blood has been described, but the present invention is not limited to the processing or the processing procedure.
- processing such as extraction of proteins such as antigens and antibodies, extraction of plasmids and DNA from tissues of living organisms such as humans, extraction of foods (drinks, solids, meat, vegetables, etc.)
- the present invention can be applied to various biochemical treatments such as extraction and concentration of bacteria such as DNA, bacteria, viruses and proteins, and treatment for obtaining a large volume solution from a small amount of a sample.
- the T-shaped end or the spherical end of the connecting portion of the dispensing cylinder is connected not only to the T-shaped groove or the circular groove provided on the plate as the connected portion, but also to various other types. It is possible to connect members having shapes. Further, the shape of the fitting portion is not limited to the outer ring shape, but may be a prism shape. Also, The lower end of the outer ring portion 23 may be formed with a slope so that the sheath is easily inserted.
- the above components, parts, devices, etc. such as a dispensing cylinder, a sliding portion, a large-volume dispensing device, a suction / discharge mechanism, an optical measuring portion, a magnetic force portion, a Y-axis carriage, an X-axis carriage,
- the mounting section, purple section, connecting section, reading section, and the like can be arbitrarily combined while appropriately deforming.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200480010274.3A CN1774622B (zh) | 2003-04-15 | 2004-04-15 | 分注用缸体、分注装置以及分注装置的使用方法 |
US10/552,913 US7947512B2 (en) | 2003-04-15 | 2004-04-15 | Dispensing cylinder, large capacity dispensing device, and method of using large capacity dispensing device |
KR1020057019604A KR101089882B1 (ko) | 2003-04-15 | 2004-04-15 | 분주용 실린더, 대용량 분주장치 및 대용량 분주장치의사용방법 |
EP04727696A EP1615013A4 (en) | 2003-04-15 | 2004-04-15 | DISTRIBUTION CYLINDER, HIGH CAPACITY DISPENSING DEVICE, AND METHOD OF USING THE DEVICE |
JP2005505449A JP4268968B2 (ja) | 2003-04-15 | 2004-04-15 | 分注用シリンダ、大容量分注装置および大容量分注装置の使用方法 |
US13/089,111 US20110215118A1 (en) | 2003-04-15 | 2011-04-18 | Dispensing cylinder, large capacity dispensing device and method of using large capacity dispensing device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-109838 | 2003-04-15 | ||
JP2003109838 | 2003-04-15 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/089,111 Division US20110215118A1 (en) | 2003-04-15 | 2011-04-18 | Dispensing cylinder, large capacity dispensing device and method of using large capacity dispensing device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004092710A1 true WO2004092710A1 (ja) | 2004-10-28 |
Family
ID=33295931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/005385 WO2004092710A1 (ja) | 2003-04-15 | 2004-04-15 | 分注用シリンダ、大容量分注装置および大容量分注装置の使用方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7947512B2 (ja) |
EP (1) | EP1615013A4 (ja) |
JP (1) | JP4268968B2 (ja) |
KR (1) | KR101089882B1 (ja) |
CN (1) | CN1774622B (ja) |
WO (1) | WO2004092710A1 (ja) |
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JP2013068612A (ja) * | 2011-09-21 | 2013-04-18 | Sakura Finetex Usa Inc | 自動染色システムおよび反応チャンバ |
JP2017148037A (ja) * | 2017-02-13 | 2017-08-31 | ヤマハ発動機株式会社 | ヘッド装置及び移動装置 |
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Cited By (6)
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---|---|---|---|---|
JP2009019922A (ja) * | 2007-07-10 | 2009-01-29 | Hitachi High-Technologies Corp | 化学分析装置 |
JP2009115751A (ja) * | 2007-11-09 | 2009-05-28 | Fujirebio Inc | 収容容器、吐出装置、及び収容容器の製造方法 |
JP2013068612A (ja) * | 2011-09-21 | 2013-04-18 | Sakura Finetex Usa Inc | 自動染色システムおよび反応チャンバ |
US10295444B2 (en) | 2011-09-21 | 2019-05-21 | Sakura Finetek U.S.A., Inc. | Automated staining system and reaction chamber |
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Also Published As
Publication number | Publication date |
---|---|
KR101089882B1 (ko) | 2011-12-05 |
US20110215118A1 (en) | 2011-09-08 |
KR20050121731A (ko) | 2005-12-27 |
JPWO2004092710A1 (ja) | 2006-07-06 |
JP4268968B2 (ja) | 2009-05-27 |
US7947512B2 (en) | 2011-05-24 |
EP1615013A1 (en) | 2006-01-11 |
EP1615013A4 (en) | 2010-04-14 |
CN1774622A (zh) | 2006-05-17 |
CN1774622B (zh) | 2010-12-01 |
US20060263260A1 (en) | 2006-11-23 |
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