CN103499527A

CN103499527A - Improved structure for improving detection accuracy of clinical in vitro detection analyzer

Info

Publication number: CN103499527A
Application number: CN201310454715.XA
Authority: CN
Inventors: 王钧; 黄剑峰
Original assignee: SHANGHAI UPPER BIO-TECH PHARMA Co Ltd
Current assignee: Shanghai Aopu biomedical Co., Ltd
Priority date: 2013-09-27
Filing date: 2013-09-27
Publication date: 2014-01-08
Anticipated expiration: 2033-09-27
Also published as: CN103499527B

Abstract

The invention relates to an improved structure for improving the detection accuracy of a clinical in vitro detection analyzer. The improved structure comprises a detection head and a sample feeding tray, wherein a bottom tray of the sample feeding tray is provided with holes; elastic/power jacking bosses are fixedly arranged under the detection head; when a reaction plate in the sample feeding tray is jacked upwards by the elastic/power jacking bosses, a fixed distance is reserved between the reaction plate and the detection head. The distance between a charge coupled device (CCD) of the detection head and sample liquid in the reaction plate is not stable, so that the shooting effect of the CCD is influenced, and the accuracy of a detection result is unstable. In order to solve the technical problem, the elastic/power jacking bosses are arranged under the detection head, the bottom of the sample feeding tray is provided with the holes, and the reaction plate is jacked upwards by the elastic/power jacking bosses which pass through the holes; the thickness accuracy of the reaction plate is generally high, so that the consistency of the distances between the detection head and all reaction plates which pass through the detection head can be guaranteed only by guaranteeing the consistency of the upward jacking distances of the reaction plates; therefore, the shooting effect of the CCD is guaranteed, and the detection accuracy is further guaranteed.

Description

A kind of structure-improved that improves clinical vitro detection analyser accuracy of detection

Technical field

The present invention relates to a kind of clinical vitro detection analyser, relate in particular to a kind of structure-improved that improves clinical vitro detection analyser accuracy of detection, belong to clinical treatment technique with the apparatus field.

Background technology

POCT, real-time test (point-of-care testing), refer to the clinical detection of carrying out on the patient side, in sampling location, at once analyzed, and saves the complex process program of sample when laboratory inspection, obtains fast a class new method of assay.The main standard of POCT is not need the detection place of fixing, and reagent and instrument are of portable form, and can operate in time.In recent years, due to development and the medical science applied progress of current new and high technology, and efficient allegro working method, make there is the experimental apparatus miniaturization, the POCT of simple to operateization, the just-in-time of reporting the result more and more has been subject to people's favor.

Clinical vitro detection analyser in the market is generally with the loading pallet of reaction plate, reaction plate Fang Ge is on the loading pallet, move to the detection head below with the loading pallet, detection head is taken pictures to the sample liquid in reaction plate by the CCD of Qi Nei Ge, automatically judge testing result by the color to sample liquid, the loading pallet has continuously upper pattern, also have and go up one by one pattern, have by slide rail and automatically go up pattern, pattern in manual propelling is also arranged, above these sample loading modes, all adopt the loading pallet, there is a common weak point: because the spacing of detection head Nei Ge CCD and reaction plate is very large on the impact of accuracy of detection, so unstable due to this spacing, caused testing result precision deficiency.This thing happens a multiple possibility, such as, loading pallet chassis consistency of thickness is poor, and the movement on slide rail of loading pallet may produce slightly beats etc.

Summary of the invention

The technical issues that need to address of the present invention are: the Shang Yang Zhuan Ge of existing clinical vitro detection analyser, the spacing of detection head Nei Ge CCD and reaction plate is unstable, has had a strong impact on accuracy of detection.

The present invention takes following technical scheme:

A kind of structure-improved that improves clinical vitro detection analyser accuracy of detection, comprise the catotropic detection head 4 of mirror, and the loading pallet 2 that is positioned at detection head 4 bottoms, loading pallet 2 with automatic or manual Fang Ge on chute board, perforate 2a on the base plate of described loading pallet 2, position Ge for perforate 2a on chute board establishes Ge elasticity jack-up convex, perhaps power jack-up convex, described elasticity/power jack-up convex props up the reaction plate 1 in loading pallet 2 at the jack-up state through perforate 2a, lift, reaction plate 1 is certain with detection head 4 spacings; Described elasticity jack-up convex is the spring leaf popped up, or covers deduction cap above spring; The push rod that described power jack-up convex is solenoid valve or cylinder.

The characteristics of the technical program are: unstable for the sample liquid spacing in detection head CCD and reaction plate, thereby affect the CCD shooting effect, thereby cause unstable this technical matters of testing result precision, She Ge elasticity below detection head/power jack-up boss, simultaneously in the perforate of loading tray bottom, elasticity/power jack-up boss through this hole by the reaction plate jack-up that makes progress, because the thickness making precision of reaction plate is higher, as long as so guarantee the upwards consistance of the distance of jack-up, just can guarantee when each reaction plate passes through detection head and the consistance of the spacing of detection head, thereby guaranteed the CCD shooting effect, and then guaranteed accuracy of detection.

Further, described elastic top plays boss 5 for spring, and covering truncated cone-shaped in spring top is buckled and emitted, and button emits with the spring upper end and is welded and fixed.Make whole elastic top play boss more stable, reliable.

Further, the quantity that described elastic top plays boss 5 is two, corresponding with two chassis perforate 2a respectively.Two elastic top play boss and work simultaneously, and reaction plate is more stable by jack-up.

Further, described power jack-up Zhuan Ge is solenoid valve, and described loading pallet 2 chassis perforate 2a are positioned at center chassis, corresponding with the push rod of solenoid valve.

Beneficial effect of the present invention is:

1) greatly improved the accuracy of detection of clinical vitro detection analyser.

2) less to the structural modification of existing clinical vitro detection analyser, easily realize.

3) be skillfully constructed, drop into littlely, concerning whole detection analyser, cost does not obviously increase, but improvement effect is fairly obvious, and ratio for input and output is quite large.

The accompanying drawing explanation

Fig. 1 is the structural representation of the Shang Yang Zhuan Ge of clinical vitro detection analyser, wherein, with the closely-related elasticity of the present invention/power jack-up Zhuan Ge, is positioned at the below of detection head and loading pallet, and the visual angle of this view, fail to show.In figure, 1. reaction plate, 2. loading pallet, 3. guide rail, 4. detection head.

Fig. 2 is the slide rail slided thereon for the loading pallet, and two elastic top play boss and are fixed on the position Ge that slide rail is corresponding with detection head.In figure, 5. elastic top plays boss.

Fig. 3 is the enlarged diagram at Fig. 2 medi-spring position.

Fig. 4 be with embodiment mono-in the schematic diagram of loading pallet, wherein, first reaction plate Fang Ge position of loading pallet is empty, all the other four Ge Wei Ge are placed with reaction plate.In figure, the 2a. hole.

Fig. 5 is that electromagnet is not switched on, the structural representation when electromagnet push rod is contraction state.

Fig. 6 is the electromagnet energising, and the electromagnet push rod is the structural representation while ejecting state.

Fig. 7 is the schematic diagram that adopts spring leaf, spring leaf one end and chute board riveted joint, and its width is slightly less than the aperture of perforate on chute board.In figure, 6. spring leaf.

When Fig. 8 is loading pallet process spring leaf, by under spring pressure, spring leaf embeds the schematic diagram in perforate, and now, spring leaf is by reaction plate jack-up.

Fig. 9 leaves hole 2a Wei Ge when spring leaf, but still the schematic diagram while being pushed down by the loading pallet.

Figure 10 is the schematic diagram of loading pallet in embodiment bis-, and wherein, first reaction plate Fang Ge position of loading pallet is empty, and in order to illustrate the hole at center, tray bottom, all the other four Ge Wei Ge are placed with reaction plate.

Embodiment

Below in conjunction with embodiment and accompanying drawing, the present invention is further described.

Embodiment (one): referring to Fig. 1, figure mono-has meaned a kind of loading system of clinical vitro detection analyser, there is five reaction plates, 1 Fang Ge position in loading pallet 2, reaction plate 1 is placed in loading pallet 2, first with the loading pallet, along X-direction, move, along Y-direction, move, reaction plate 1 passes through the below of detection head 4 one by one, is detected again.

Referring to Fig. 2-3, on chute board, admittedly surely establishing two elastic top of Ge plays boss 5 at the Ge place, position corresponding with detection head 4 belows, the platform elastic top plays boss 5 spring, and the truncated cone-shaped deduction cap that is positioned at the spring top forms, deduction cap and spring upper end are welded and fixed, and spring is through the hole of offering on chute board, and the spring bottom is located and fixed.

Referring to Fig. 4, bottom at loading pallet 2 each reaction plate Fang Ge Wei Ge, offer with above-mentioned elastic top and play two hole 2a that boss 5 is corresponding, when loading pallet 2 moves to detection head 4 below, elastic top plays boss 5 and penetrates in the 2a of hole, by reaction plate 1 jack-up upwards, because the consistency of thickness of reaction plate 1 self is higher, therefore can guarantee that the CCD in reaction plate and detection head has the spacing of stable and consistent, thereby guarantee accuracy of detection and stability.

The effect of the impulsive force of buffering loading pallet is played in the side of the deduction cap of truncated cone-shaped, and its upper surface level, steadily by reaction plate 1 jack-up.

Embodiment (two):

Together referring to Fig. 5-6, Fig. 9, with the difference of embodiment (), be, adopt solenoid valve as Dong Li Zhuan Ge, the push rod of solenoid valve is corresponding with the hole 2a of loading pallet 2 bottoms, when loading pallet 2 passes through the below of detection heads 4, the solenoid valve energising, its push rod, by reaction plate 1 jack-up upwards, can be guaranteed the spacing of reaction plate and detection head CCD equally, guarantees accuracy of detection and stability.What adopt solenoid valve is that a little reliability is high, and stability and precision are relatively high.

Embodiment (three):

The difference part of the present embodiment and embodiment (one) is, referring to Fig. 7, adopt spring leaf 6 to play boss as elastic top, directly at chute board Shang Pei Ge spring leaf 6, spring leaf front end and chute board welding or riveted joint, the rear end perk, the width of spring leaf is slightly less than the diameter that hole 2a is offered in the loading tray bottom; Referring to Fig. 8, when the loading pallet slides into spring leaf when top, spring leaf 6 is just in time in embedded hole 2a, by reaction plate 1 jack-up; Referring to Fig. 9, when spring leaf 6 leaves hole 2a Wei Ge, but still while being pushed down by loading pallet 2, spring leaf is pressed into horizontal configuration.The benefit that this employing spring leaf 6 plays boss as elastic top is, simple in structure, on chute board also without perforate.

Above three embodiment are only for solving the technology of the present invention problem preferred embodiment, under actual conditions, can also adopt other mode to be replaced, for example adopt the cylinder replacement of solenoid valve, for example each loading pallet only comprises a reaction plate Fang Ge position again, adopts the clinical vitro detection analyser Shang Yang Zhuan Ge that manually the loading pallet is pushed into to the form of detection head below.All situations like this are all in the present invention under total design.

Claims

1. a structure-improved that improves clinical vitro detection analyser accuracy of detection, comprise the catotropic detection head of mirror (4), and the loading pallet (2) that is positioned at detection head (4) bottom, loading pallet (2) is placed on chute board with automatic or manual, it is characterized in that:

Perforate (2a) on the base plate of described loading pallet (2), position for perforate (2a) on chute board arranges elasticity jack-up convex, perhaps power jack-up convex, described elasticity/power jack-up convex props up the reaction plate (1) in loading pallet (2) at the jack-up state through perforate (2a), lift, reaction plate (1) is certain with detection head (4) spacing;

Described elasticity jack-up convex is the spring leaf popped up, or covers deduction cap above spring;

The push rod that described power jack-up convex is solenoid valve or cylinder.

2. structure-improved as claimed in claim 1, it is characterized in that: it is spring that described elastic top plays boss (5), and the spring top covers truncated cone-shaped and buckles and emit, and button emits with the spring upper end and is welded and fixed.

3. structure-improved as claimed in claim 3, it is characterized in that: the quantity that described elastic top plays boss (5) is two, corresponding with two chassis perforates (2a) respectively.

4. structure-improved as claimed in claim 1, it is characterized in that: described power jacking system is solenoid valve, described loading pallet (2) chassis perforate (2a) is positioned at center chassis, corresponding with the push rod of solenoid valve.