CN213000096U

CN213000096U - Reagent dripping device for fluorescence immunoassay

Info

Publication number: CN213000096U
Application number: CN202021565040.8U
Authority: CN
Inventors: 任浩冉; 李敏
Original assignee: Shenzhen Huaili Medical Equipment Co ltd
Current assignee: Shenzhen Huaili Medical Equipment Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-20
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a fluorescence immunoassay is with reagent dropwise add device, including the movable mounting support, fix the fixed establishment on the movable mounting support and install the burette on the fixed establishment, be provided with the stop gear who is used for the accurate quantitative dropwise add of reagent single in the burette on the movable mounting support, this fluorescence immunoassay is with reagent dropwise add device to be different from prior art, setting through stop gear, make when the real-time dropwise add of reagent detects the use, the piston is influenced by manual promotion when can avoiding the reagent to drip in the burette and is difficult to the problem of accurate location, can the accurate location of piston dropwise add time in the burette, thereby guarantee the accurate dropwise add of reagent, with the detection precision that effectively improves fluorescence immunoassay time measuring.

Description

Reagent dripping device for fluorescence immunoassay

Technical Field

The utility model relates to a fluorescence immunoassay dropping device technical field specifically is a fluorescence immunoassay is with reagent dropping device.

Background

The fluorescence immunoassay technology has the advantages of strong specificity, high sensitivity, good practicability and the like, so the fluorescence immunoassay technology is used for measuring bioactive compounds with low content, such as proteins (enzymes, acceptors and antibodies), hormones (steroids, thyroid hormones and phthalein hormones), medicines, microorganisms and the like, when the fluorescence immunoassay is carried out, reagents such as protein, hormone, drugs, microorganisms and the like need to be dripped, the purpose of extracting a small amount of reagents for fluorescence immunoassay is achieved by a dripping mode, however, when the traditional reagent dripping device for fluorescence immunoassay is used for dripping the reagents such as protein, hormone, medicaments, microorganisms and the like, accurate quantification can not be carried out on the dropwise added reagent, excessive dropwise addition of the reagent can lead to the waste of the reagent, and insufficient dropwise addition of the reagent can lead to inaccurate detection results, so that accurate quantification of the dropwise added reagent is very important.

According to the reagent dripping device for fluorescence immunoassay disclosed in patent application No. CN201821710280.5, the device comprises a base, wherein a placing table is arranged on the upper surface of the base, a beaker is arranged on the upper surface of the placing table, a supporting rod is arranged on one side of the placing table, a sliding rail is arranged on the outer wall of one side of the supporting rod, a locking slider is arranged on the sliding rail, a locking handle is arranged on the outer wall of the locking slider and is connected with the locking slider in a sliding manner, a fixing plate is arranged on the outer wall of one side of the locking slider and is connected with the locking slider in a welding manner, a second sliding rod is arranged on the inner wall of the fixing plate, a first sliding rod is arranged on the second sliding rod and is connected with the first sliding rod in a sliding manner, a fixing block is arranged on the first sliding rod and is connected with the first sliding rod in a sliding manner, and the reagent dripping device can facilitate the user to take the value of the piston on, the purpose of quantitatively dripping the reagent is achieved.

However, we find in the in-service use process, though this application can guarantee the accurate dropwise add of reagent to a certain extent, but the precision is limited, when pushing the ejector pin manually and driving the piston to push down dropwise add reagent, because ejector pin and piston are according to the scale artificial location through personnel, lead to the piston to be difficult to accurate location when reagent is dripped in real time, be difficult to stop at fixed scale position, just so there is still artifical error in the real-time volume of dripping that leads to reagent, and unavoidable, accurate measurement when the influence fluorescence immunoassay that equally can not equidimension, for this reason, we propose a reagent dropwise add device for fluorescence immunoassay.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fluorescence immunoassay is with reagent dropwise add device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fluorescence immunoassay is with reagent dropwise add device, includes the movable mounting support, fixes the fixed establishment on the movable mounting support and installs the burette on the fixed establishment, be provided with the stop gear who is used for the accurate quantitative dropwise add of reagent single in the burette on the movable mounting support, be different from prior art, through stop gear's setting for when the real-time dropwise add of reagent detects the use, can avoid in the burette the reagent to drip the problem that the piston is influenced by manual promotion and is difficult to accurate location when adding, can the accurate location of piston dropping-time in the burette, thereby guarantee the accurate dropwise add of reagent, with the detection precision of effectively improving fluorescence immunoassay time measuring.

Preferably, stop gear installs the gag lever post on the piston in the burette including rotating, the last slip of fixed establishment runs through there is the guide bar, the guide bar outside is provided with and is connected with the gag lever post and is used for the gag lever post ration to shift with the adjustable locating part of accurate dropwise add reagent, guarantees the accurate quantitative dropwise add use of reagent single in the burette to guarantee fluorescence immunoassay's precision.

Preferably, the guide bar outside is provided with the external screw thread, and installs the scale strip on the guide bar, stop gear includes that the screw thread is installed in the tight nut in the guide bar top outside, the guide bar top is fixed with the connecting seat, the stopper rod slides and runs through the connecting seat, guarantees the accurate ration aversion of guide bar, and then cooperates the stopper rod, guarantees the stable accurate ration dropwise add of reagent in the burette.

Preferably, the cock stem outside also is provided with the external screw thread, and cock stem screw thread runs through the connecting seat, set nut is installed to guide bar bottom outside screw thread, and the guide bar bottom is fixed with spacing kicking block, and then, guarantees the at the uniform velocity aversion of cock stem to guarantee the even dropwise add use of reagent in the burette, avoid manual promotion cock stem aversion dropwise add when reagent too much or too little and influence efficient reaction detection and use.

Preferably, the piece that grips that the plug rod was convenient for the plug rod to shift the dropping liquid at the uniform velocity spiral in real time and use is installed on plug rod top, improves convenience and the travelling comfort that the plug rod gripped rotatory dropwise add in real time and uses, guarantees to facilitate the use.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses be different from prior art, through stop gear's setting for when the real-time dropwise add of reagent detects the use, the piston receives manual promotion influence and is difficult to the problem of accurate location when can avoiding in the burette reagent to drip to add, can drip the accurate location of overtime by the inner piston of burette, thereby guarantee the accurate dropwise add of reagent, with the detection precision that effectively improves fluorescence immunoassay time measuring.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another orientation according to the present invention;

fig. 3 is the enlarged structure diagram of the area a of the present invention.

In the figure: 1-movably mounting a bracket; 2-a fixing mechanism; 3-a dropper; 4-a limiting mechanism; 5-a stopper rod; 6-a guide rod; 7-adjustable limiting piece; 8-external threads; 9-a scale bar; 10-tightening the nut; 11-a connecting seat; 12-a positioning nut; 13-limiting a top block; 14-a grip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a reagent dripping device for fluorescence immunoassay comprises a movable mounting bracket 1, a fixing mechanism 2 fixed on the movable mounting bracket 1 and a dropper 3 arranged on the fixing mechanism 2, further, a piston for extruding reagent is arranged in the dropper 3 in a sliding manner in real-time use, and the movable mounting bracket 1 and the dropper 3 are both designed by the prior art structure in a comparison file and are not described herein;

be provided with stop gear 4 that is used for the accurate quantitative dropwise add of reagent single in burette 3 on the movable mounting support 1 to be different from prior art, through stop gear 4's setting, make when the real-time dropwise add of reagent detects the use, can avoid the problem that the interior reagent of burette 3 drips the time-addition piston and is influenced by manual promotion and be difficult to accurate location, can drip the accurate location of time-addition of 3 interior pistons of burette, thereby guarantee the accurate dropwise add of reagent, with the detection precision that effectively improves fluorescence immunoassay time measuring.

Stop gear 4 is including rotating stopper rod 5 of installing on burette 3 internal piston, and stopper rod 5 is circular rod structure, and 5 tip diameters of its stopper rod are greater than stopper rod 5 diameters to guarantee to press the travelling comfort that the dropwise add was used in real time, it has guide bar 6 to slide to run through on fixed establishment 2, the 6 outside of guide bar is provided with and is connected with stopper rod 5 and is used for stopper rod 5 ration to shift with accurate adjustable locating part 7 of dropwise add reagent, and then when using in real time, through adjustable locating part 7's real-time use, with order to order about guide bar 6 and stopper rod 5 ration and shift, realizes its accurate position use of time shift in-process, thereby guarantees that the accurate dropwise add of reagent reacts and uses.

The external thread 8 is arranged on the outer side of the guide rod 6, the scale strip 9 is arranged on the guide rod 6, the adjustable limiting mechanism 4 comprises a tight nut 10 which is installed on the outer side of the top end of the guide rod 6 in a threaded manner, the connecting seat 11 is fixed on the top end of the guide rod 6, the connecting seat 11 is of a rectangular seat structure but is not limited, the plug rod 5 penetrates through the connecting seat 11 in a sliding manner, and further, when the adjustable limiting mechanism is used in real time, the plug rod 5 is pressed to move after the guide rod 6 drives the connecting seat 11 to accurately move up and down by matching with the scale strip 9 so as to ensure accurate lifting of the guide rod 6 and matching with spiral displacement contact of the tight nut 10, so that the longitudinal position of the guide rod 6 is limited, the plug rod 5 is pressed to move after the guide rod 6 drives the connecting seat 11 to accurately lift up and down, the contact extrusion limit of the end part of the plug rod 5 is realized by, guarantee the accurate dropwise add of the interior reagent of burette 3, the effectual interior stopper rod 5 of burette 3 of having avoided is connected with the problem that is difficult to accurate location with the piston to guarantee the accurate dropwise add of reagent and use.

The stopper rod 5 outside also is provided with external screw thread 8, and stopper rod 5 screw thread through connection seat 11, set nut 12 is installed to 6 bottom outside screw threads of guide bar, and 6 bottom mounting of guide bar have spacing kicking block 13, and then use in real time, through tight nut 10 and set nut 12, can fix guide bar 6, no matter the guide bar 6 is unmovable this moment goes up and down, then rotatory stopper rod 5, can order about stopper rod 5 at the uniform spiral aversion on connecting seat 11, through the steerable real-time lifting speed of stopper rod 5 rotational speed, and then, guarantee stopper rod 5's at the uniform aversion, use with the even dropwise add of guaranteeing interior reagent of burette 3, single dropwise add is too much or too little and influence efficient reaction detection when avoiding manual promotion stopper rod 5 aversion dropwise add reagent and use.

The utility model discloses a stopper 5, including stopper 5, the stopper is equipped with the stopper 5 top and is convenient for stopper 5 to be in real time at the uniform velocity spiral and shift the gripping member 14 that the dropping liquid used, gripping member 14 is the hand wheel but not the restriction, also can be for other spare parts that are convenient for it to grip the rotation in real time and use such as carousel or rotation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fluorescence immunoassay is with reagent dropwise add device, includes movable mounting support (1), fixes fixed establishment (2) on movable mounting support (1) and installs burette (3) on fixed establishment (2), its characterized in that: the movable mounting bracket (1) is provided with a limiting mechanism (4) for single accurate quantitative dripping of the reagent in the dropper (3).

2. The reagent dripping device for fluorescence immunoassay according to claim 1, characterized in that: stop gear (4) are including rotating cock stem (5) of installing on burette (3) inner piston, it has guide bar (6) to slide to run through on fixed establishment (2), guide bar (6) outside is provided with and is connected with cock stem (5) and is used for cock stem (5) ration aversion with accurate adjustable locating part (7) of dropwise add reagent.

3. The reagent dripping device for fluorescence immunoassay according to claim 2, characterized in that: the utility model discloses a stop lever, including guide bar (6), stop lever (6) top are fixed with connecting seat (11), the guide bar (6) outside is provided with external screw thread (8), and installs scale strip (9) on guide bar (6), stop gear (4) with adjustable include tight position nut (10) of screw thread installation in guide bar (6) top outside, guide bar (6) top is fixed with connecting seat (11), stopper rod (5) slip through connecting seat (11).

4. The reagent dripping device for fluorescence immunoassay according to claim 3, characterized in that: the external side of the plug rod (5) is also provided with an external thread (8), the plug rod (5) penetrates through the connecting seat (11) in a threaded manner, the external side of the bottom end of the guide rod (6) is provided with a positioning nut (12) in a threaded manner, and the bottom end of the guide rod (6) is fixed with a limiting ejector block (13).

5. The reagent dripping device for fluorescence immunoassay according to claim 4, wherein: the top end of the plug rod (5) is provided with a holding piece (14) which is convenient for the plug rod (5) to spirally shift dropping liquid at a constant speed in real time.