CN111373264A - Sample analyzer and sample frame transfer structure - Google Patents
Sample analyzer and sample frame transfer structure Download PDFInfo
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- CN111373264A CN111373264A CN201880074688.4A CN201880074688A CN111373264A CN 111373264 A CN111373264 A CN 111373264A CN 201880074688 A CN201880074688 A CN 201880074688A CN 111373264 A CN111373264 A CN 111373264A
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- sample rack
- clamping
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- arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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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
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- Health & Medical Sciences (AREA)
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- Analytical Chemistry (AREA)
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Abstract
A sample rack transport structure (100) and a sample analyzer, the sample rack transport structure (100) comprising: the carrying tray (110), the carrying tray (110) is provided with a placing cavity (114), the carrying tray (110) is provided with an opening (115) communicated with the placing cavity (114) at one side of the placing cavity (114), the placing cavity (114) is used for carrying sample racks (200) placed in a row, and the arrangement direction of the sample racks (200) extends towards the opening (115); the clamping mechanism (120) is arranged on the inner side wall of the bearing tray (110) and is adjacent to the opening (115); the clamping mechanism (120) can stretch into the placing cavity (114) and is in contact with the end part of the sample rack (200) to clamp the sample rack (200), so that the clamping mechanism (120) can reliably clamp the sample rack (200) in the bearing tray (110), the sample rack (200) is prevented from sliding off the bearing tray (110) when the sample rack (200) is transported, the transportation safety of the sample rack (200) is ensured, in addition, the clamping mechanism (120) clamps the sample rack (200) on the side surface, the sample rack transporting structure (100) is simple, and the clamping and locking operation of the sample rack (200) is facilitated.
Description
The invention relates to the technical field of chemiluminescence immunoassay, in particular to a sample analyzer and a sample rack transfer structure.
Typically, the tray transfers the sample racks of the storage area to the equipment platform. In the CN102246048B patent, the tray is limited at two sides (or the bottom moves back and forth), limited at the front side by preventing the tray from falling off, and the limited mechanism at the rear side (ratchet one-way locking mechanism) can move forward, and can move backward only by operating the disengaging ratchet with hand. When the sample rack is loaded, the front side is locked in a falling-proof way when the tray is placed on a plane, a plurality of sample racks are placed, and then the movable limiting mechanism at the rear side is moved, so that the sample racks are reliably limited in the tray; when the machine is operated, when the feeding in the feeding area is used, the front-side anti-disengaging structure is unlocked through the unlocking mechanism on the equipment platform, and the tray can push out the sample rack placed in the tray through the propelling device to the outside conveying track.
When the recovery area is used, the front side anti-disengaging structure and the rear side movable limiting protection plate are unlocked through the unlocking mechanism on the equipment platform, and the sample frame can be pushed into the tray through the back pushing device. When the tray is taken off the machine, due to the fact that the unlocking mechanism on the equipment platform is separated, the anti-falling structure on the front side of the tray and the movable limiting protection plate on the rear side of the tray restore to the locking state, the sample rack is reliably located in the tray, and the sample rack cannot slide or topple.
However, after the sample rack is placed on the tray, the movable protection plate needs to be pushed by a hand to be close to the front anti-falling mechanism, so that the sample rack is reliably clamped and limited. One more manual action is provided, the operation is more complicated, and the tray structure is complex, so that the quality is heavier, the handheld operation feeling is poor, and the use of an operator is influenced.
Disclosure of Invention
Based on this, it is necessary to provide a sample frame transport structure that can be convenient for lock the sample frame, reduce the operation complexity to the problem that the operation process is loaded down with trivial details that needs operating personnel manual locking to lead to at present, still provides a sample analyzer who contains above-mentioned sample frame transport structure simultaneously.
The above purpose is realized by the following technical scheme:
a sample rack transport structure comprising:
the bearing tray is provided with a placing cavity, one side of the placing cavity of the bearing tray is provided with an opening communicated with the placing cavity, the placing cavity is used for bearing sample racks placed in a row, and the arrangement direction of the sample racks extends towards the opening; and
the clamping mechanism is arranged on the inner side wall of the bearing tray and is adjacent to the opening; the clamping mechanism can extend into the placing cavity and is in contact with the end part of the sample rack so as to clamp the sample rack.
In one embodiment, the clamping mechanism comprises a first clamping mechanism and a second clamping mechanism, and the first clamping mechanism and the second clamping mechanism are arranged on the inner side wall of the bearing tray opposite to each other;
the first clamping mechanism and the second clamping mechanism can be synchronously abutted against two ends of the sample frame to clamp the sample frame.
In one embodiment, the sample rack transfer structure further comprises a handle, the handle is arranged on the bearing tray, and the bearing tray is carried through the handle.
In one embodiment, the clamping mechanism comprises a clamping arm rotatably mounted in the carrying tray, the clamping arm having a clamping rod and an unlocking portion;
the clamping arm rotates under the action of gravity, so that the unlocking part extends out of the bearing tray, and meanwhile, the clamping rod extends into the placing cavity and is abutted against the sample rack to clamp the sample rack.
In one embodiment, the clamping arm comprises a first arm and a second arm which are connected with each other, the joint of the first arm and the second arm is rotatably mounted on the bearing tray, one end of the first arm, which is far away from the second arm, is deviated from the other end of the second arm, and extends towards the direction of the placing cavity respectively, the clamping rod is positioned at the end of the first arm, and the unlocking part is positioned at the end of the second arm;
the first arm drives the clamping rod to extend into the placing cavity, and the second arm drives the unlocking part to extend out of the bottom of the bearing tray.
In one embodiment, the clamping mechanism further includes an elastic member, the elastic member is disposed in the carrying tray and is abutted against the carrying tray and the clamping arm, respectively, and the elastic force of the elastic member can make the clamping rod always abutted against the sample rack.
In one embodiment, the sample rack transfer structure further comprises a handle, and the handle is arranged in the tray in a lifting manner; the clamping mechanism comprises a clamping rod, the bottom of the handle is provided with an inclined surface, and the inclined surface inclines towards the placing cavity and is abutted against the clamping rod;
when the lifting handle is lifted, the inclined surface can enable at least part of the clamping rods to extend into the placing cavity so as to clamp the sample rack.
In one embodiment, the clamping mechanism further comprises a guide slide rail, the guide slide rail is arranged in the bearing tray, and the clamping rod is slidably arranged on the guide slide rail; the guide sliding rail is horizontally arranged, or the guide sliding rail is arranged along the inclined direction vertical to the inclined surface;
when the lifting handle is lifted, the inclined surface enables the clamping rod to slide into the placing cavity along the guide sliding rail so as to clamp the sample rack.
In one embodiment, the clamping rods are rotatably arranged in the carrying tray, and the rotation axes of the clamping rods are eccentrically arranged;
when the lifting handle is lifted, the inclined surface enables the clamping rod to rotate around the axis, so that the clamping rod partially extends into the placing cavity and clamps the sample rack.
In one embodiment, the sample rack transfer structure further comprises a handle, a braking part and a transmission mechanism, wherein the braking part is arranged on the handle, the clamping mechanism comprises a clamping rod, and the braking part is linked with the clamping rod through the transmission mechanism;
the braking part drives the clamping rods to move through the transmission mechanism, so that the clamping rods extend into the placing cavity to clamp the sample rack.
In one embodiment, the clamping bar is made of a flexible material.
In one embodiment, the clamping bar is made of an elastically deformable material.
In one embodiment, the clamping rod is provided with a plurality of matching parts, and the matching parts are matched with the fixing parts at the end parts of the sample racks;
the shape of the matching part is matched with that of the fixing part.
In one embodiment, the clamping mechanism further comprises a clamping sleeve, the clamping sleeve is sleeved outside the clamping rod, and the clamping sleeve is made of a flexible material.
In one embodiment, the clamping sleeve is provided with a plurality of positioning parts arranged at intervals, and the positioning parts are respectively matched with the fixing parts at the end parts of the sample racks;
the positioning part is matched with the fixing part in shape.
A sample analyser comprising a sample rack transport structure according to any one of the preceding technical features.
By adopting the technical characteristics, the invention has the beneficial effects that:
according to the sample analyzer and the sample rack transfer structure, after the sample rack is pushed into the placing cavity from the opening of the bearing tray, the clamping mechanism on the side surface of the bearing tray can extend into the placing cavity, so that the clamping mechanism can be contacted with one end part of the sample rack, and meanwhile, the other end of the sample rack is abutted against the side wall of the bearing tray opposite to the clamping mechanism, so that the sample rack is reliably clamped in the bearing tray, the sample rack is prevented from sliding off the bearing tray when the sample rack is transferred, and the transfer safety of the sample rack is ensured. In addition, the clamping mechanism clamps the sample rack on the side surface, so that the problem that the operation process is complicated due to the fact that an operator needs to manually lock the sample rack at present is effectively solved, the sample rack transferring structure is simple, and the clamping and locking operation of the sample rack is facilitated; and, simple structure is transported to the sample frame, makes things convenient for operating personnel to mention, promotes the operation and feels.
After the sample frame transfer structure is adopted, samples can be conveyed for the sample analyzer, so that the sample analyzer can continuously detect the samples, and the detection efficiency is improved.
Fig. 1 is a perspective view of a sample rack transport structure according to an embodiment of the present invention;
FIG. 2 is a perspective view of the sample rack transport structure shown in FIG. 1 carrying samples;
FIG. 3 is a cross-sectional view at M-M of the sample rack transport structure shown in FIG. 1, with the clamping mechanism locked;
FIG. 4 is a cross-sectional view of the sample rack transport structure shown in FIG. 1 at M-M with the clamping mechanism unlocked;
FIG. 5 is a schematic side view of a sample rack transport structure according to another embodiment of the present invention;
fig. 6 is a perspective view of a sample rack transport structure according to still another embodiment of the present invention;
fig. 7 is a schematic view showing the engagement of the clamping lever with the sample rack in the sample rack transfer structure shown in fig. 1.
Wherein:
100-a sample rack transport structure;
110-a carrying tray;
111-load bearing side panels;
112-a load-bearing baffle;
113-a load floor;
114-a placement chamber;
115-opening;
120-a clamping mechanism;
121-a gripper arm; 1211 — a first arm; 1212-a second arm;
122. 122', 122 "-clamping rods;
123-unlocking part;
124-an elastic member;
125-a clamping sleeve; 1251-a positioning portion;
130-a handle;
131-wedges;
140-a braking component;
200-a sample rack;
210-fixed part.
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the sample analyzer and the sample rack transferring structure of the present invention are further described in detail below by way of embodiments and with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 and 2, the present invention provides a sample rack transfer structure 100, where the sample rack transfer structure 100 is applied to a sample analyzer, and on one hand, provides a sample rack 200 for the sample analyzer, and on the other hand, can facilitate recovery of the sample rack 200 after sampling is completed, so as to ensure that the sample analyzer can perform continuous detection; furthermore, the sample rack transport structure 100 may carry a sample rack 200 with a sample container, a user may load the sample rack 100 onto the sample rack transport structure 100 at the sample storage area, and then the user places the sample rack transport structure 100 from the sample storage area onto the sample analyzer with the sample rack transport structure 100, thereby realizing the transport of the sample rack 200. Specifically, the sample rack transfer structure 100 may carry a plurality of sample racks 200 arranged side by side, and each sample rack 200 may carry a plurality of sample containers. When the sample analyzer is used for detection, the sample rack 200 is sent out from the sample rack transfer structure 100, the sample transport structure on the sample analyzer transports the sample rack 200 and the sample container thereon to a specified sample sucking position, and a dispensing needle sucks the sample in the sample container; after the sample on the sample rack 200 is completely sucked, the sample conveying structure conveys the sample rack 200 to a recovery position. In this embodiment, a sample rack transfer structure 100 is also disposed at the recycling site to facilitate the recycling and transferring of the sample rack 200. It should be noted that the specific type of sample to be tested is not limited, and in some embodiments, the sample to be tested includes a solid sample or a liquid sample. It will be appreciated that the liquid sample is carried by a container such as a test tube and placed on the sample holder 200. Further liquid samples include, but are not limited to, blood samples.
In the present invention, the sample rack transfer structure 100 includes a carrying tray 110 and a clamping mechanism 120. The carrier tray 110 plays a role of carrying for placing the sample rack 200. The carrying tray 110 has a placing cavity 114, the carrying tray 110 has an opening 115 communicating with the placing cavity 114 at one side of the placing cavity 114, the placing cavity 114 is used for carrying the sample racks 200 placed in a column, and the arrangement direction of the sample racks 200 extends towards the opening 115. Specifically, the supporting tray 110 includes a supporting bottom plate 113 and supporting plates surrounding three sides of the supporting bottom plate 113, the supporting bottom plate 113 and the supporting plates surround the placing cavity 114, wherein two opposite supporting plates are denoted as supporting side plates 111, the opening 115 is formed between the two supporting side plates 111, and the supporting plates between the opening 115 and the two supporting side plates 111 are denoted as supporting baffles 112 and are disposed oppositely. The opening 115 is used to load reaction containers into the carrier tray 110 or remove sample containers from the carrier tray 110.
It will be appreciated that the opening 115 is an entrance and exit for the sample rack 200 to and from the carrier tray 110 during operation of the sample analyzer. Specifically, the sample rack transfer structure 100 carries the sample rack 200 in the sample storage area to the sample analyzer, and the sample rack 200 enters the carrier tray 110 through the opening 115; when the sample analyzer is operated, the sample rack 200 can be carried out of the carrier tray 110 through the opening 115; the sample rack transfer structure 100 recovers the sample rack 200 after sampling, and when the sample analyzer operates, the sample rack 200 after sampling enters the carrying tray 110 through the opening 115; the sample rack transport structure 100 is removed from the sample analyzer and placed to a retrieval location, and the sample rack 200, which has been sampled, is carried out of the carrier tray 110 through the opening 115.
The plurality of sample racks 200 are arranged in the placing cavity 114 along the connecting line direction of the bearing baffle 112 and the opening 115, the positions of the sample racks 200 are limited by the bearing side plates 111 with two opposite sides, and the sample racks 200 are prevented from moving towards the outer sides of the bearing side plates 111, so that the sample racks 200 are reliably limited in the bearing tray 110. Further, the position of the sample rack 200 can be restricted relative to the bearing shutter 112 with respect to the opening 115, so that the loaded sample rack 200 can only abut against the bearing shutter 112 at most, and the sample rack 200 is prevented from moving to the outside of the bearing shutter 112.
Optionally, the bearing side plate 111 further has a guiding function, and accordingly, the sample rack 200 is provided with protruding portions towards two ends of the bearing side plate 111, after the sample rack 200 is loaded into the placing cavity 114, the sample rack 200 is overlapped on the top of the bearing side plate 111 through the protruding portions on two sides, at this time, the sample rack 200 can be pushed, so that the sample rack 200 slides along the bearing side plate 111, guiding and limiting are performed on loading and unloading of the sample rack 200, and the sample rack 200 is prevented from being inclined in the placing cavity 114 to affect loading and the like of the sample rack 200. Of course, in other embodiments of the present invention, a guide protrusion or a guide groove may be provided on the bottom plate 113, and the guide protrusion or the guide groove extends along a line connecting the baffle 112 and the opening 115, and accordingly, the bottom structure of the sample rack 200 is matched with the guide protrusion or the guide groove, so as to guide the loading and unloading of the sample rack 200.
The clamping mechanism 120 is fixedly disposed on the inner sidewall of the carrying tray 110 and is disposed adjacent to the opening 115. That is, the holding mechanism 120 is disposed on the side of the bearing side plate 111 facing the placing cavity 114, so as to facilitate the cooperation of the holding mechanism 120 and the sample rack 200. The clamping mechanism 120 is used to effect locking of the sample rack 200. The clamping mechanism 120 is movably disposed on an inner sidewall of the carrying tray 110, and the clamping mechanism 120 can extend into the placing cavity 114 and contact with an end of the sample rack 200 to clamp the sample rack 200. Correspondingly, the clamping mechanism 120 may also not clamp the sample rack 200, i.e., unlock the sample rack 200; specifically, the clamping mechanism 120 moves away from the placement chamber 114 and disengages from the end of the sample rack 200 to unlock the sample rack 200.
It can be understood that the clamping mechanism 120 has two operation modes, one is to clamp the sample rack 200 to achieve the locking operation of the sample rack 200, and in particular, the clamping mechanism 120 can extend into the placing cavity 114 and contact with the end of the sample rack 200 in the placing cavity 114 to achieve the clamping of the sample rack 200, so that the sample rack 200 can be reliably and fixedly placed in the placing cavity 114, and at the moment, the sample rack 200 cannot move in the carrying tray 110, and the sample rack 200 is prevented from sliding or toppling over during the transportation process. The other is to move away from the sample rack 200 to unlock the sample rack 200, specifically, the clamping mechanism 120 may move toward the outside of the placing cavity 114 in a direction away from the sample rack 200, so that the clamping mechanism 120 is disengaged from the sample rack 200 to unlock the sample rack 200, at this time, the sample rack 200 is not limited by the clamping mechanism 120 in the placing cavity 114, and the sample rack 200 may freely move in the placing cavity 114 to perform the loading or unloading operation of the sample rack 200.
Furthermore, gripping and unlocking control with respect to the gripping mechanism 120 is achieved by the position of the sample rack transport structure 100. For example, when the clamping mechanism 120 has a limit, the clamping mechanism 120 will move away from the sample rack 200 and gradually extend out of the placement chamber 114; when the holding mechanism 120 is unrestrained, the holding mechanism 120 moves toward the sample rack 200 and gradually extends into the placing chamber 114. The limitation herein refers to limitation by a table, it is understood that the table can be a position for placing the sample transfer structure for the sample analyzer, and can also be a reference surface for placing the sample rack transfer structure 100 when loading or unloading the sample rack 200, such as a table, a platform, etc.
Specifically, when the sample rack transfer structure 100 leaves the platform surface, the clamping mechanism 120 loses the limitation of the platform surface, so that the clamping mechanism 120 can extend into the placing cavity 114 and contact with the end of the sample rack 200, thereby clamping and fixing the sample rack 200 and avoiding the sample rack 200 from moving in the transfer process; when the sample rack transport structure 100 is located on the table, the clamping mechanism 120 is limited by the table, and the clamping mechanism 120 can move away from the placing cavity 114, so that the sample rack 200 is unlocked, and the sample rack 200 can move in the placing cavity 114 to load or unload the sample rack 200. That is, when the sample rack transfer structure 100 is lifted, the sample rack transfer structure 100 will leave the table, and at this time, the clamping mechanism 120 is out of the limit to clamp the sample rack 200 on the carrying tray 110, so as to lock the sample rack 200; when the sample rack 200 transfer mechanism is lowered, i.e. the sample rack transfer structure 100 is placed on the table, the clamping mechanism 120 is restricted to move away from the sample rack 200 on the load tray 110, so as to unlock the sample rack 200.
The present invention can achieve the gripping and unlocking of the sample rack 200 in the carrier tray 110 by lifting or lowering the sample rack transport structure 100. Thus, when the user transfers the sample rack 200 by using the sample rack transfer structure 100, the user places the sample rack 200 on the table, and the clamping mechanism 120 moves in the direction away from the placing cavity 114, at this time, the clamping mechanism 120 does not limit the position of the sample rack 200, and the sample rack 200 can be loaded into the carrying tray 110; after loading, a user lifts the sample rack transfer structure 100, the clamping mechanism 120 can clamp and fix the sample rack 200 to realize transfer, and the sample rack 200 is prevented from moving in the transfer process, so that the problems that the sample rack 200 falls from the bearing tray 110 to cause sample damage and the like are avoided; placing the sample rack transfer structure 100 on a sample analyzer, unlocking the sample rack 200 by the clamping mechanism 120, and sending the sample rack 200 out of the bearing tray 110 to convey the sample rack 200; when the transport of the sample rack 200 is completed, the sample rack transport structure 100 may be lifted to reload the sample rack 200. It is understood that, when the sample rack transfer structure 200 recovers the sample rack 200 of the sample container after sampling, the operation process is the same as the operation mode of the sample rack transfer structure 100, and detailed description thereof is omitted here.
Moreover, after the sample rack 200 is unlocked by the clamping mechanism 120, the movement of the sample rack 200 can be guided by the bearing side plates 111 at the two sides of the bearing tray 110, so that the sample rack 200 can slide into and out of the placing cavity 114 along the bearing side plates 111, and the loading and unloading of the sample rack 200 are realized. In addition, the sample rack transfer structure 100 of the present invention realizes the locking and unlocking of the sample rack 200 through the clamping mechanism 120, and does not need the manual locking and unlocking by the user, so that the sample rack transfer structure 100 has a simple structure, is convenient to operate and is convenient for the user to use, and meanwhile, after the clamping mechanism 120 is adopted, the sample rack transfer structure 100 can be light and handy, and the operation hand feeling of the user is improved.
Referring to fig. 1, 5 and 6, in the present embodiment, the clamping mechanism 120 includes a first clamping mechanism and a second clamping mechanism, and the first clamping mechanism and the second clamping mechanism are disposed on an inner sidewall of the tray 110 opposite to each other. The first and second gripping mechanisms can be simultaneously brought into contact with both ends of the sample rack 200 to grip the sample rack 200. That is, the sample rack transfer structure 100 of the present invention clamps the sample rack 200 by the cooperation of the two clamping mechanisms 120 disposed oppositely, so that the sample rack 200 is reliably fixed in the placing cavity 114 of the carrying tray 110, and the clamping fixation of the sample rack 200 is realized. It can be understood that the first clamping mechanism and the second clamping mechanism move synchronously, and when locked, the first clamping mechanism and the second clamping mechanism can synchronously extend into the placing cavity 114 and abut against two ends of the sample rack 200 respectively to clamp the sample rack 200; when unlocking, the first clamping mechanism and the second clamping mechanism can synchronously move towards the direction away from the placing cavity 114 and respectively separate from the end parts of the sample rack 200 so as to unlock the sample rack 200. Therefore, the two clamping mechanisms 120 move synchronously, so that the position of the sample rack 200 can be prevented from moving in the connecting line direction of the two bearing side plates 111, and the sample rack 200 is ensured to be clamped and fixed reliably.
Of course, in other embodiments of the present invention, the number of the clamping mechanism 120 may also be one, the clamping mechanism 120 is disposed on one of the carrying side plates 111, the clamping mechanism 120 is engaged with the other carrying side plate 111, and the clamping mechanism 120 pushes the sample rack 200 against the carrying side plate 111, so that the sample rack 200 is reliably fixed between the clamping mechanism 120 and the carrying side plate 111, and thus the clamping and fixing of the sample rack 200 can also be achieved.
Optionally, the sample rack transfer structure 100 further includes a handle 130, the handle 130 is disposed on the carrying tray 110, and the handle 130 is used for carrying the carrying tray 110. When the user carries the carrying tray 110, the carrying can be realized through the handle 130, which is convenient for the user to carry. It can be understood that the handle 130 and the carrying tray 110 are integrated, so as to ensure the reliability of the handle 130 for carrying the carrying tray 110; of course, the handle 130 is detachably connected to the carrying tray 110 to meet different user requirements. Preferably, the number of the handles 130 is two, and the two handles 130 are symmetrically disposed at two ends of the carrying tray 110. When the sample rack transfer structure 100 is carried, a user can directly lift the handle 130 to lift the carrying tray 110, so that the user can hold the carrying tray 110 conveniently.
Referring to fig. 1 to 4, in an embodiment of the present invention, the clamping mechanism 120 includes a clamping arm 121, a clamping rod 122 and an unlocking portion 123, the clamping arm 121 is rotatably installed in the carrying tray 110, and the clamping rod 122 and the unlocking portion 123 are located on the clamping arm 121. When the clamping arm 121 rotates under the action of gravity, the clamping arm 121 can drive the unlocking portion 123 to extend out of the carrying tray 110, and at the same time, the clamping rod 122 extends into the placing cavity 114 and abuts against the sample rack 200 to clamp the sample rack 200. Accordingly, when the unlocking part 123 is acted by a force towards the placing cavity 114, the unlocking part 123 retracts into the placing cavity 114, the unlocking part 123 can drive the clamping arm 121 to retract to the carrying tray 110, and the clamping rod 122 is separated from the sample rack 200. It should be noted that the holding arm 121 is a lever structure, and the holding arm 121 further includes a rotating member, and the holding arm 121 is rotatably installed in the carrying tray 110 through the rotating member, for example, the rotating member is a rotating shaft, a hinge joint, or the like to realize rotation. One end of the holding arm 121 is a holding rod 122 for matching with the end of the sample holder 200, and the other end of the holding arm 121 is an unlocking part 123 for matching with the table top. Illustratively, the unlocking portion 123 is a protrusion provided at an end of the clamp arm 121, facilitating unlocking control.
It will be appreciated that the clamp arm 121 is locked by gravity and unlocked by engagement with the table top. When lifting up sample frame transport structure 100, unblock portion 123 breaks away from the mesa to lose the action of gravity who bears tray 110, at this moment, clamping arm 121 drives unblock portion 123 under self action of gravity and resets and stretch out and bear tray 110, and make clamping rod 122 stretch into and place chamber 114, clamping rod 122 can with the tip butt of sample frame 200 in placing chamber 114, realize centre gripping sample frame 200. When sample frame transport structure 100 placed the mesa on, the mesa contacts with the portion 123 that unlocks, can make bearing tray 110 under the effect owing to bearing tray 110 self action of gravity, the gravity of bearing tray 110 can be applied for the portion 123 that unlocks through the mesa and counter-acting force, make clamping arm 121 drive the portion 123 that unlocks and carry tray 110 in the action of gravity of bearing tray 110 under the retraction, and simultaneously, clamping arm 121 drives clamping rod 122 towards keeping away from the tip of placing the direction motion in chamber 114 in order to break away from sample frame 200, realize unblock sample frame 200. Of course, in other embodiments of the present invention, the external force applied to or removed from the unlocking portion 123 may be used to unlock or lock the sample rack 200.
Further, the clamping arm 121 includes a first arm 1211 and a second arm 1212 connected to each other, a connection portion of the first arm 1211 and the second arm 1212 is rotatably mounted on the carrying tray 110, ends of the first arm 1211 and the second arm 1212, which are away from each other, extend away from each other and respectively extend toward the placing cavity 114, the clamping rod 122 is located at an end of the first arm 1211, and the unlocking portion 123 is located at an end of the second arm 1212. The first arm 1211 carries the clamping rod 122 into the placing chamber 114, and the second arm 1212 carries the unlocking portion 123 out of the bottom of the carrying tray 110. In this embodiment, an included angle exists between the first arm 1211 and the second arm 1212, one end of the first arm 1211 is connected to one end of the second arm 1212, the clamping rod 122 is disposed at the end of the other end of the first arm 1211, the unlocking portion 123 is disposed at the end of the other end of the second arm 1212, the first arm 1211 and the second arm 1212 both face the inner side of the load-bearing side plate 111, and the first arm 1211 and the second arm 1212 are linked. Preferably, the angle between the first arm 1211 and the second arm 1212 ranges from 75 ° to 150 °. It is understood that the carrying side plate 111 of the carrying tray 110 has a mounting space therein, the grip arm 121 is rotatably mounted in the mounting space, and the side of the carrying side plate 111 facing the placing cavity 114 has a protruding opening through which the grip lever 122 protrudes into or retracts from the placing cavity 114. The bottom of the carrying tray 110 has an unlocking hole, and the unlocking part 123 can be extended or retracted from the bottom of the carrying tray 110.
When the sample rack transfer structure 100 is lifted, the bottom of the bearing tray 110 is gradually far away from the table top, the first arm 1211 drives the unlocking part 123 to reset under the action of self gravity, the bearing tray 110 extends out of the unlocking opening, meanwhile, the first arm 1211 is linked with the second arm 1212, the second arm 1212 drives the clamping rod 122 to extend into the placing cavity 114 from the extending opening, and the clamping rod 122 can abut against the end of the sample rack 200 in the placing cavity 114, so that the sample rack 200 is clamped. When the sample rack transfer structure 100 is placed on the table top, the table top contacts the unlocking portion 123, the gravity of the carrying tray 110 causes the first arm 1211 to drive the unlocking portion 123 to retract the carrying tray 110 from the unlocking opening under the action of the gravity of the carrying tray 110, and meanwhile, the first arm 1211 is linked with the second arm 1212, and the second arm 1212 drives the clamping rod 122 to move from the extending opening in a direction away from the placing cavity 114 so as to be separated from the end of the sample rack 200, thereby unlocking the sample rack 200.
Optionally, the clamping mechanism 120 further includes an elastic member 124, the elastic member 124 is disposed in the carrying tray 110 and is abutted against the carrying tray 110 and the clamping arm 121, respectively, and the elastic force of the elastic member 124 can make the clamping rod 122 always abutted against the sample rack 200. The elastic member 124 can provide a pushing force so that the grip lever 122 of the grip arm 121 can be in a state of being extended into the placing chamber 114, abutting against the end of the sample rack 200. That is, the elastic member 124 always keeps the grip arm 121 in gripping the sample rack 200; when the sample rack is unlocked, the gravity of the carrying tray 110 is greater than the elastic force of the elastic member 124, and at this time, the unlocking portion 123 pushes the first arm 1211 to move upward, the first arm 1211 is linked with the second arm 1212, and the second arm 1212 drives the clamping rod to disengage from the sample rack 200; during clamping, after the unlocking portion 123 loses the gravity action of the carrying tray 110, under the gravity action of the clamping arm 121 and the thrust action of the elastic member 124, the second arm 1212 drives the clamping rod 122 to extend into the placing cavity 114 to abut against the sample rack 200, the second arm 1212 is linked with the first arm 1211, and the first arm 1211 drives the unlocking portion 123 to extend out of the bottom of the carrying tray 110. The elastic member 124 is, for example, an elastic structure such as a torsion spring, a tension spring, a compression spring, etc.
Referring to fig. 5, in another embodiment of the present invention, the handle 130 is liftably disposed in the carrying tray 110, and the clamping mechanism 120 includes a clamping rod 122', and the bottom of the handle 130 has an inclined surface inclined toward the placing cavity 114 and abutting against the clamping rod 122'. When the handle 130 is lifted, the inclined surface enables at least a portion of the clamping bar 122' to extend into the placement chamber 114 to clamp the sample rack 200. When the handle 130 is lowered, the clamping rod 122' can move away from the placement chamber 114 to disengage the sample rack 200. That is, when the handle 130 is lifted up, the inclined surface at the bottom of the handle 130 can apply an upward acting force to the clamping rod 122', so that the clamping rod 122' can at least partially extend into the placing cavity 114 to abut against the sample rack 200, and the sample rack 200 is locked; when the handle 130 is put down, the inclined surface at the bottom of the handle 130 descends, so that the clamping rod 122 'returns to the initial position, and at the moment, the clamping rod 122' is separated from the sample rack 200, and the sample rack 200 is unlocked.
Specifically, in one embodiment of the present embodiment, the clamping lever 122 'is rotatably disposed in the carrying tray 110, and the rotation axis of the clamping lever 122' is eccentrically disposed. When the handle 130 is lifted, the inclined plane drives the clamping rods 122 'to rotate around the axis, so that the clamping rods 122' partially extend into the placing cavity 114 and clamp the sample rack 200, and when the handle 130 is lowered, the inclined plane drives the clamping rods 122 'to rotate around the axis, so that the clamping rods 122' slide out of the placing cavity 114 to unlock the sample rack 200. That is, the clamping rod 122' is eccentrically arranged, when the sample rack transfer structure 100 is lifted, the handle 130 is lifted and drives the inclined surface at the bottom to lift, and the inclined surface can drive the clamping rod 122' to eccentrically rotate, so that the eccentric large end of the clamping rod 122' rotates to the end of the placing cavity 114 to abut against the sample rack 200, and the sample rack 200 is locked; when the sample rack transfer structure 100 is put down, the handle 130 descends and drives the inclined plane at the bottom to descend, and the inclined plane can drive the clamping rod 122 'to eccentrically rotate, so that the eccentric large end of the clamping rod 122' rotates out of the placing cavity 114 to be separated from the end part of the sample rack 200, and the unlocking of the sample rack 200 is realized. Of course, the clamping bar 122' may be a cam structure; further, the bottom of the handle 130 is provided with a wedge 131, and the inclined surface of the wedge 131 forms the inclined surface, but of course, an inclined plate or the like may be provided.
Of course, in another embodiment of this embodiment, the clamping mechanism 120 further includes a guiding slide rail (not shown), the guiding slide rail is disposed in the carrying tray 110, and the clamping rod 122' is slidably disposed on the guiding slide rail; the guide slide rail is horizontally arranged, or the guide slide rail is arranged along the inclined direction perpendicular to the inclined plane. When the handle 130 is lifted, the inclined surface makes the clamping rod 122' slide into the placing cavity 114 along the guide slide rail to clamp the sample rack 200; when the handle 130 is lowered, the inclined surface causes the clamping rod 122' to slide out of the placement chamber 114 along the guide slide to unlock the sample rack 200. That is, the handle 130 drives the clamping rod 122' to slide into or out of the placing cavity 114 along the guiding slide rail by the inclined surface, so as to lock and unlock the sample rack 200.
When the sample rack transfer structure 100 is lifted, the lifting handle 130 rises and drives the inclined surface at the bottom to rise, and the inclined surface can drive the clamping rod 122 'to slide out along the guide sliding rail, so that the clamping rod 122' at least partially slides into the placing cavity 114 to abut against the end part of the sample rack 200, and the sample rack 200 is locked; when the sample rack transfer structure 100 is put down, the handle 130 descends and drives the inclined surface at the bottom to descend, the inclined surface is separated from the clamping rod 122', and at the moment, the clamping rod 122' can slide out of the placing cavity 114 along the guide sliding rail to be separated from the end part of the sample rack 200, so that the sample rack 200 is unlocked.
Optionally, the clamping mechanism 120 further comprises a reset member disposed in the carrier tray 110 for connecting the carrier tray 110 and the clamping rods 122', the reset member being capable of generating a force to move the clamping rods 122' away from the sample rack 200. The reset piece is an elastic element, such as a tension spring, a pressure spring, an elastic rope and the like. It is understood that when the clamping rod 122' locks the sample rack 200, the clamping rod 122' brings the elastic member 124 into a stretching state, so that the clamping rod 122' can abut against the end of the sample rack 200; when the clamping rod 122 'unlocks the sample rack 200, the elastic member 124 brings the clamping rod 122' to an initial position away from the sample rack 200. Specifically, when the sample rack transfer structure 100 is lifted, the lifting handle 130 rises and drives the inclined surface at the bottom to rise, and the inclined surface can drive the clamping rod 122 'to overcome the elastic force of the reset piece, so that the clamping rod 122' at least partially slides into the placing cavity 114 to abut against the end of the sample rack 200, and the sample rack 200 is locked; when the sample rack transfer structure 100 is put down, the handle 130 descends and drives the inclined plane at the bottom to descend, the inclined plane is separated from the clamping rod 122', and the clamping rod 122' resets and slides out of the placement cavity 114 under the action of elastic force of the resetting piece so as to be separated from the end part of the sample rack 200, so that the sample rack 200 is unlocked.
Referring to fig. 6, in a further embodiment of the present invention, the sample rack transferring structure 100 further includes a handle 130, a braking part 140 and a driving mechanism, the braking part 140 is disposed on the handle 130, the clamping mechanism 120 includes a clamping rod 122", and the braking part 140 is linked with the clamping rod 122" through the driving mechanism. The braking part 140 drives the clamping rod 122 "to move through the transmission mechanism, so that the clamping rod 122" extends into the placing cavity 114 to clamp the sample rack 200. The brake member 140 is a handbrake in this embodiment. When the sample rack transfer structure 100 is lifted, a user grips the brake part 140 while gripping the handle 130, and the brake part 140 drives the clamping rod 122 "to move through the transmission mechanism, so that the clamping rod 122" extends into the placing cavity 114 to abut against the end part of the sample rack 200, so as to clamp the sample rack 200 and realize the locking of the sample rack 200; when putting down sample rack transport structure 100, the user loosens braking part 140 when loosening handle 130, and braking part 140 resets this moment to drive clamping rod 122 "through drive mechanism and reset, at this moment, clamping rod 122" can move towards the direction of keeping away from placing chamber 114, makes clamping rod 122 "break away from the tip of sample rack 200, realizes the unblock of sample rack 200. For example, the transmission mechanism may be a wire transmission mechanism, a link transmission mechanism, or the like, which can realize the linkage between the clamping rod 122 ″ and the braking member 140.
Referring to fig. 1-7, optionally, the clamping bar 122 is made of a flexible material. Therefore, the contact acting force between the clamping rods 122 and the sample rack 200 can be increased, the sample rack 200 is prevented from slipping from the clamping rods 122, and the sample rack 200 is ensured to be fixed and reliable. Alternatively, the clamping bar 122 is made of an elastically deformable material, such as a silicone material or a hard elastic material, etc. Therefore, the contact acting force between the clamping rods 122 and the sample rack 200 can be increased, the sample rack 200 is prevented from slipping off from the clamping rods 122, and the sample rack 200 is ensured to be fixed and reliable. Optionally, the clamping rods 122 may be made of a material with a large friction coefficient, so as to increase the friction force at the contact position of the sample rack 200 and the clamping rods 122, prevent the sample rack 200 from slipping off the clamping rods 122, and ensure that the sample rack 200 is fixed reliably.
Still alternatively, the clamping rod 122 may have a plurality of engaging portions, which are engaged with the fixing portions 210 at the ends of the sample rack 200, respectively. The shape of the fitting portion is adapted to the fixing portion 210. In this way, when the sample rack 200 is mounted on the carrier tray 110, the fixing portion 210 of the sample rack 200 can be engaged with the engaging portion, and the reliability of fixing the sample rack 200 can be further improved. Illustratively, the fixing portion 210 is a protrusion, and the mating portion is a groove; of course, the fixing portion 210 may be a groove, and the matching portion may be a protrusion.
Still optionally, the clamping mechanism 120 further includes a clamping sleeve 125, the clamping sleeve 125 is sleeved outside the clamping rod 122, and the clamping sleeve 125 is made of a flexible material. That is, the clamping bar 122 is in contact with the end of the sample rack 200 through the clamping sleeve 125. To ensure reliable contact of the clamping sleeve 125 with the sample rack 200, the clamping sleeve 125 is made of a flexible material. Therefore, the contact acting force between the clamping rods 122 and the sample rack 200 can be increased, the sample rack 200 is prevented from slipping from the clamping rods 122, and the sample rack 200 is ensured to be fixed and reliable.
Further, the clamping sleeve 125 has a plurality of positioning portions 1251 arranged at intervals, and the plurality of positioning portions 1251 are respectively matched with the fixing portions 210 of the sample rack end portion 200; the positioning portion 1251 is shaped to fit the fixing portion 210. In this way, when the sample rack 200 is mounted on the carrier tray 110, the fixing portion 210 of the sample rack 200 can be engaged with the positioning portion 1251, and the reliability of fixing the sample rack 200 is further improved. Illustratively, the fixing portion 210 is a protrusion, and the positioning portion 1251 is a groove; of course, the fixing portion 210 may be a groove, and the positioning portion 1251 may be a protrusion. In this embodiment, the fixing portions 210 are protrusions, the positioning portions 1251 are grooves, and the fixing portions 210 are spaced apart from each other on the clamping sleeve 125, and can be matched with the grooves spaced apart from each other on the sample holder 200, so as to ensure that the sample holder 200 is fixed reliably when locked.
Alternatively, the clamping sleeve 125 is made of an elastically deformable material, such as a silicone material or a hard elastic material, etc. Therefore, the contact acting force between the clamping rods 122 and the sample rack 200 can be increased, the sample rack 200 is prevented from slipping off from the clamping rods 122, and the sample rack 200 is ensured to be fixed and reliable. Optionally, the clamping sleeve 125 may be made of a material with a large friction coefficient to increase the friction force at the contact position of the sample rack 200 and the clamping rod 122, so as to prevent the sample rack 200 from slipping off the clamping rod 122, and ensure that the sample rack 200 is fixed reliably.
The invention also provides a sample analyzer, which comprises the sample rack transfer structure 100 in the embodiment, a dispensing needle for sucking and discharging a sample and a reagent, an incubation photometric device for incubation and luminescence detection, and a reagent loading device for bearing the reagent; the sample rack transfer structure 100 transports the sample rack 200 to a sample sucking position, the dispensing needle sucks the sample in the sample container on the sample rack 200 at the sample sucking position and transfers the sample to an empty reaction container, the dispensing needle also transfers the reagent in the reagent loading device to the reaction container, the sample and the reagent in the reaction container are incubated by an incubation photometric device, after the incubation is finished, luminescence detection is performed in the incubation photometric device, and finally various parameters of the sample are obtained. In this embodiment, the sample analyzer is an immunoassay analyzer; of course, the sample analyzer of the present invention may also be referred to as a biochemical analyzer, a blood analyzer, etc.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the technical features should be considered as the scope of the description in the present specification.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (16)
- A sample rack transport structure, comprising:the bearing tray is provided with a placing cavity, one side of the placing cavity of the bearing tray is provided with an opening communicated with the placing cavity, the placing cavity is used for bearing sample racks placed in a row, and the arrangement direction of the sample racks extends towards the opening; andthe clamping mechanism is arranged on the inner side wall of the bearing tray and is adjacent to the opening; the clamping mechanism can extend into the placing cavity and is in contact with the end part of the sample rack so as to clamp the sample rack.
- The specimen rack transport structure of claim 1, wherein the clamping mechanism includes a first clamping mechanism and a second clamping mechanism, the first clamping mechanism and the second clamping mechanism being disposed opposite each other on an inner sidewall of the carrying tray;the first clamping mechanism and the second clamping mechanism can be synchronously abutted against two ends of the sample frame to clamp the sample frame.
- The specimen rack transport structure according to claim 1 or 2, further comprising a handle provided on the carrying tray, the handle being used for carrying the carrying tray.
- The sample rack transport structure according to claims 1 to 3, wherein the gripping mechanism comprises a gripping arm rotatably mounted in the carrying tray, the gripping arm having a gripping lever and an unlocking part;the clamping arm rotates under the action of gravity, so that the unlocking part extends out of the bearing tray, and meanwhile, the clamping rod extends into the placing cavity and is abutted against the sample rack to clamp the sample rack.
- The specimen rack transport structure of claim 4, wherein the clamping arm comprises a first arm and a second arm connected with each other, the joint of the first arm and the second arm is rotatably mounted on the carrying tray, the ends of the first arm and the second arm far away from each other are far away from each other and respectively extend towards the direction of the placing cavity, the clamping rod is located at the end of the first arm, and the unlocking part is located at the end of the second arm;the first arm drives the clamping rod to extend into the placing cavity, and the second arm drives the unlocking part to extend out of the bottom of the bearing tray.
- The specimen rack transfer structure according to claim 4 or 5, wherein the clamping mechanism further includes an elastic member disposed in the carrying tray and abutting against the carrying tray and the clamping arm, respectively, and the elastic member is capable of causing the clamping lever to always abut against the specimen rack by elastic force.
- The sample rack transport structure according to claim 1 or 2, further comprising a handle, the handle being elevatably disposed in the tray; the clamping mechanism comprises a clamping rod, the bottom of the handle is provided with an inclined surface, and the inclined surface inclines towards the placing cavity and is abutted against the clamping rod;when the lifting handle is lifted, the inclined surface can enable at least part of the clamping rods to extend into the placing cavity so as to clamp the sample rack.
- The specimen rack transport structure of claim 7, wherein the clamping mechanism further comprises a guide slide disposed in the carrying tray, the clamping bar being slidably disposed on the guide slide; the guide sliding rail is horizontally arranged, or the guide sliding rail is arranged along the inclined direction vertical to the inclined surface;when the lifting handle is lifted, the inclined surface enables the clamping rod to slide into the placing cavity along the guide sliding rail so as to clamp the sample rack.
- The specimen rack transport structure of claim 7, wherein the clamping lever is rotatably disposed in the carrying tray, and a rotation axis of the clamping lever is eccentrically disposed;when the lifting handle is lifted, the inclined surface enables the clamping rod to rotate around the axis, so that the clamping rod partially extends into the placing cavity and clamps the sample rack.
- The sample rack transfer structure according to claim 1 or 2, further comprising a handle, a braking member and a transmission mechanism, wherein the braking member is disposed on the handle, the clamping mechanism comprises a clamping rod, and the braking member is linked with the clamping rod through the transmission mechanism;the braking part drives the clamping rods to move through the transmission mechanism, so that the clamping rods extend into the placing cavity to clamp the sample rack.
- The sample rack transport structure according to any of claims 4 to 10, wherein the clamping bars are made of a flexible material.
- The sample rack transport structure according to any one of claims 4 to 10, wherein the clamping rods are made of an elastically deformable material.
- The specimen rack transport structure according to any one of claims 4 to 12, wherein the clamping lever has a plurality of engaging portions thereon, the engaging portions engaging with the fixing portions of the ends of the specimen racks;the shape of the matching part is matched with that of the fixing part.
- The specimen rack transport structure of any one of claims 4 to 12, wherein the clamping mechanism further comprises a clamping sleeve sleeved outside the clamping rod, the clamping sleeve being made of a flexible material.
- The specimen rack transfer structure according to claim 14, wherein the grip sleeve has a plurality of positioning portions arranged at intervals, and the plurality of positioning portions are respectively engaged with the fixing portions of the ends of the specimen racks;the positioning part is matched with the fixing part in shape.
- A sample analyzer comprising the sample rack transport structure of any one of claims 1 to 15.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/079287 WO2019174034A1 (en) | 2018-03-16 | 2018-03-16 | Sample analyzer and sample rack transport structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111373264A true CN111373264A (en) | 2020-07-03 |
Family
ID=67908730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880074688.4A Pending CN111373264A (en) | 2018-03-16 | 2018-03-16 | Sample analyzer and sample frame transfer structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111373264A (en) |
| WO (1) | WO2019174034A1 (en) |
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| Publication number | Publication date |
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| WO2019174034A1 (en) | 2019-09-19 |
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