CN217112035U - Biochemical detector - Google Patents

Abstract

The utility model provides a biochemical detector. The biochemical detector comprises a base and a liquid injection assembly. The base is provided with a micro-fluidic disc, a tray and a driving device, the driving device is in driving connection with the tray and is used for driving the tray to rotate, the micro-fluidic disc is arranged on the tray, and a liquid injection port is formed in the micro-fluidic disc; annotate the liquid subassembly and include installing support and diluent container, the installing support sets up in the base top, and the diluent container sets up in the installing support, and the liquid outlet of diluent container is used for with annotate liquid mouth intercommunication setting in order to be used for adding the diluent to annotating the liquid mouth. The utility model discloses a set up on biochemical detector and annotate the liquid subassembly, during annotating the liquid, medical staff need not handheld diluent bottle and extrudees, and only need through set up the diluent container on the installing support to the micro-fluidic disc add the diluent can, easy operation is convenient, is convenient for improve biochemical detector's detection efficiency.

Description

Biochemical detector

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a biochemical detector.

Background

Biochemical detectors, also commonly referred to as biochemics, are devices that use the principle of optoelectric colorimetry to measure a particular chemical component in a body fluid. Because the device has high measuring speed, high accuracy and small reagent consumption, the device is widely used in hospitals at all levels, epidemic prevention stations and family planning service stations, and the efficiency of conventional biochemical inspection can be greatly improved.

In recent years, biochemical detection is usually realized by adopting a microfluidic technology, freeze-dried reagent balls are packaged on a microfluidic disc for biochemical detection in advance, and in the process of biochemical detection, diluent is required to be added into the disc to dilute the freeze-dried reagent balls. However, the existing diluent is usually added manually by manually holding a diluent bottle, which is tedious to operate and takes a long time.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a biochemical detector to solve the problem that the diluent of biochemical detector among the prior art adds process complex operation.

In order to achieve the above object, the present invention provides a biochemical detector, including:

the micro-fluidic disc, the tray and the driving device are arranged on the base, the driving device is in driving connection with the tray and used for driving the tray to rotate, the micro-fluidic disc is arranged on the tray, and a liquid injection port is formed in the micro-fluidic disc; and

annotate the liquid subassembly, annotate the liquid subassembly and include installing support and diluent container, the installing support set up in the base top, the diluent container set up in the installing support, the liquid outlet of diluent container be used for with annotate liquid mouth intercommunication setting in order to be used for to annotate the liquid mouth and add the diluent.

Further, the diluent container is arranged on the mounting bracket in an inverted manner so that the liquid outlet is aligned with the liquid injection port; alternatively, the first and second electrodes may be,

the diluent container is upright or obliquely arranged on the mounting bracket, and the liquid outlet is communicated with the liquid injection port through a pipeline.

Furthermore, a positioning hole is formed in the mounting bracket, the positioning hole penetrates through the mounting bracket in the height direction, and the diluent container is arranged in the positioning hole in an inverted manner;

the diluent container comprises a bottle body, a nozzle and a suction assembly, the nozzle is arranged on the bottle body, the liquid outlet is arranged on the nozzle, the suction assembly is arranged in the nozzle and communicated with the bottle body and the liquid outlet, and when the nozzle moves to a preset position in a direction close to the bottle body under the action of external force, the suction assembly is triggered to suck the diluent in the bottle body to the liquid outlet.

Furthermore, a supporting portion is arranged on the inner wall of the positioning hole and used for supporting the diluent container.

Further, the liquid injection assembly further comprises an elastic element, and the elastic element is arranged between the supporting part and the nozzle in a supporting mode.

Further, the nozzle is towards be provided with on the terminal surface of base the liquid outlet, the tip of liquid outlet is provided with the pipe, the nozzle orientation when the base direction moves, the pipe stretches into annotate the liquid mouth.

Further, be provided with the support guard plate on the installing support, the support guard plate set up in the locating hole orientation the one end of base, be provided with on the support guard plate with the hole of stepping down that the locating hole is relative, the pipe is followed the locating hole stretch out in the hole of stepping down, the both sides that the support guard plate is relative are provided with the occlusion part.

Further, the diluent container is a transparent or translucent container.

Further, annotate the liquid subassembly and still include liquid level detection component, liquid level detection component is used for detecting the liquid level of the diluent in the diluent container.

Further, the biochemical detector also comprises a controller and an alarm device, wherein the alarm device and the liquid level detection element are electrically connected with the controller, and when the liquid level detection element detects that the liquid level in the diluent container drops to a preset value, the controller controls the alarm device to send out an alarm signal.

Use the technical scheme of the utility model, through set up on biochemical detector and annotate the liquid subassembly, during the notes liquid, medical staff need not handheld diluent bottle and extrudees, and only need through set up the diluent container on the installing support to the micro-fluidic disc add the diluent can, easy operation is convenient, is convenient for improve biochemical detector's detection efficiency.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a biochemical detector according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the biochemical detector according to the embodiment of the present invention after a portion of the housing is removed;

fig. 3 is a schematic structural diagram of the liquid injection assembly disclosed in the embodiment of the present invention during liquid injection;

fig. 4 is a front view of a liquid injection assembly disclosed in an embodiment of the present invention;

fig. 5 is a partial cross-sectional view of a priming assembly as disclosed in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a diluent container disclosed in an embodiment of the present invention.

Wherein the figures include the following reference numerals:

100. a biochemical detector; 10. a housing; 20. a base; 21. a microfluidic disk; 211. a liquid injection port; 22. a tray; 23. a drive device; 30. a liquid injection assembly; 31. mounting a bracket; 311. positioning holes; 312. a support portion; 313. supporting the protection plate; 3131. a shielding portion; 3132. a hole of abdication; 32. a diluent container; 321. a bottle body; 322. a nozzle; 3221. a liquid outlet; 33. a conduit; 34. an elastic element.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As described in the background art, the conventional biochemical detector is not provided with a liquid injection device, and usually, the diluent is manually added to the microfluidic disk, so that the diluent bottle needs to be manually held and squeezed in the process, the operation is complicated, the labor cost is high, and the use requirements of medical staff are difficult to meet. Therefore, the present embodiment provides a novel biochemical detector. The biochemical detector of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1 to 3, according to an embodiment of the present invention, a biochemical detector 100 is provided, the biochemical detector 100 includes a housing 10, a base 20, and a liquid injection assembly 30.

Wherein, the shell 10 encloses to establish and forms an installation cavity, and during actual equipment, base 20 and notes liquid subassembly 30 all set up in the installation cavity that shell 10 encloses and establishes the formation. Specifically, the base 20 is arranged at the bottom of the installation cavity, the base 20 is provided with a micro-fluidic disc 21, a tray 22 and a driving device 23, the driving device 23 is in driving connection with the tray 22 to drive the tray 22 to rotate, the micro-fluidic disc 21 is arranged on the tray 22, and the micro-fluidic disc 21 is provided with a liquid injection port 211; annotate liquid subassembly 30 includes mounting bracket 31 and diluent container 32, and mounting bracket 31 sets up in the top of mounting chamber and is located the top of base 20, and diluent container 32 sets up in mounting bracket 31, and this diluent container 32's liquid outlet 3221 is used for setting up with annotating liquid mouth 211 intercommunication in order to be used for adding the diluent to annotating liquid mouth 211.

When the biochemical detection instrument 100 in this embodiment is used for biochemical detection, the microfluidic disc 21 is placed on the tray 22, a sample to be detected is injected into the microfluidic disc 21, a diluent is added to the microfluidic disc 21 by the liquid injection assembly 30, so that the lyophilized reagent balls pre-packaged in the microfluidic disc 21 can be diluted, the tray 22 and the microfluidic disc 21 placed on the tray 22 are driven by the driving device 23 to rotate, so that a sample contained in the microfluidic disc 21 can be separated and reacted with the reagent, and finally, the sample is detected by using a light source and a detector (not shown in the figure) and the like pre-installed on the biochemical detection instrument 100.

Now to prior art the utility model discloses in, through set up on biochemical detector 100 and annotate liquid subassembly 30, during the notes liquid, medical staff need not handheld diluent bottle and extrudes, and only need through set up the diluent container 32 on installing support 31 to micro-fluidic disc 21 add the diluent can, easy operation is convenient, is convenient for improve biochemical detector 100's detection efficiency.

In an embodiment of the present invention, the diluent container 32 is disposed upside down (i.e. the liquid outlet 3221 is downward, and the installation manner of the bottle body 321 is upward, as shown in fig. 3 to fig. 5) on the mounting bracket 31, so that the liquid outlet 3221 can be aligned with the liquid injection port 211, and in practical use, only the diluent container 32 needs to be controlled, and the diluent in the diluent container 32 flows downward from the liquid outlet 3221. At this time, if the liquid outlet 3221 of the diluent container 32 is aligned with the liquid injection port 211 of the microfluidic disc 21, a connection pipe does not need to be arranged between the liquid outlet 3221 and the liquid injection port 211, so that the structure of the biochemical detector 100 can be simplified, and the transmission path of the diluent is shorter, which is more suitable for being used in a precise detection instrument.

Of course, in other embodiments of the present invention, the diluent container 32 may be set on the mounting bracket 31 upright or inclined, and at this time, the liquid outlet 3221 and the liquid injection port 211 need to be communicated through a pipeline, as long as they are in other deformation modes under the concept of the present invention, all are within the protection scope of the present invention.

In a specific embodiment of the present invention, as shown in fig. 3 to fig. 6, the mounting bracket 31 of the present invention is provided with a positioning hole 311, the positioning hole 311 runs through the mounting bracket 31 in the height direction, so that the diluent container 32 is disposed inside the positioning hole 311 in an inverted manner.

Further, the diluent container 32 includes a body 321, a nozzle 322, and a pumping assembly (not shown in the drawings), wherein the nozzle 322 is disposed on the body 321, the nozzle 322 is disposed with the above-mentioned liquid outlet 3221, the pumping assembly is disposed in the nozzle 322 and is communicated with the body 321 and the liquid outlet 3221, and when the nozzle 322 moves to a predetermined position toward the body 321 under the action of an external force, the pumping assembly is triggered to pump the diluent in the body 321 to the liquid outlet 3221. When the biochemical detector 100 is used, the diluent container 32 is first installed in the positioning hole 311 upside down, the nozzle 322 faces downward, and the bottle body 321 faces upward, and at this time, the nozzle 322 is pressed, so that the suction assembly can be triggered to suck the diluent in the bottle body 321 downward to the liquid outlet 3221, and further downward to the microfluidic disc 21, and the operation is simple and rapid. In the actual application of force, the diluent container 32 may be manually pressed, or a pressing mechanism may be provided to press the diluent container 32.

Alternatively, the diluent container 32 in this embodiment is a transparent or translucent container, and the transparent or translucent container refers to a container in which the level of the diluent inside can be viewed from the outside. In this embodiment, the diluent container 32 is set to be a transparent or translucent container, which is convenient for medical staff to observe the amount of the diluent in the diluent container 32, and further can remind the medical staff to replace the diluent container 32. The diluent container 32 in the present embodiment may be a glass sheet, a plastic bottle, or the like.

Further, in order to facilitate the detection of the diluent in the diluent container 32 (not shown in the figure), the automation degree of the biochemical detector in this embodiment is improved, the liquid injection assembly 30 in this embodiment further includes a liquid level detection element, and the liquid level detection element is used for detecting the liquid level of the diluent in the diluent container 32, so as to prompt the medical staff to replace the diluent container 32 in time. Alternatively, the liquid level detecting element here may be, for example, a float, a liquid level sensor, or the like.

Further, the biochemical detector 100 in this embodiment further includes a controller (not shown in the figure) and an alarm device (not shown in the figure), both the alarm device and the liquid level detecting element are electrically connected to the controller, and when the liquid level detecting element detects that the liquid level in the diluent container 32 drops to a predetermined value, the controller controls the alarm device to send an alarm signal, so as to prompt medical staff to replace the diluent container 32. Optionally, the alarm device in this embodiment can be a buzzer, and can also be a warning light or the like, as long as it is in the utility model discloses an other deformation modes under the design are all within the protection scope of the utility model. Alternatively, the predetermined value described herein may be, for example, 5 ml.

Further, the diluent container 32 in this embodiment is a diluent bottle, which may be a cylindrical bottle, a prismatic bottle or other special-shaped bottle. The drawings in this embodiment show the diluent container 32 in a cylindrical bottle arrangement.

Further, the suction assembly in this embodiment is a suction pump, and the suction pump is disposed in the nozzle 322, and when the nozzle 322 is pressed to a certain extent in a direction toward the bottle body 321, the suction pump can be triggered to suck the diluent in the bottle body 321, so that the structure is simple, and the operation is convenient. When the diluent container 32 is disposed in the positioning hole 311 upside down, the diluent in the diluent container 32 can be pumped out to fill the microfluidic disk 21 by pressing the bottle body 321 downward and further pressing the nozzle 322.

In order to support and mount the diluent container 32, the inner wall of the positioning hole 311 in this embodiment is provided with a support portion 312, and the support portion 312 is used for supporting the diluent container 32, so that the diluent container 32 can be prevented from falling out of the positioning hole 311. Optionally, the supporting portion 312 in this embodiment is a supporting step protruding on the side wall surface of the positioning hole 311, and the supporting step may be an annular step arranged in the positioning hole 311, and may also be an annular step formed by surrounding a plurality of supporting blocks, as long as it is other deformation structures capable of supporting and positioning the diluent container 32, which is within the protection scope of the present invention.

Further, the liquid injection assembly 30 in this embodiment further includes an elastic element 34, the elastic element 34 is supported and disposed between the supporting portion 312 and the nozzle 322, and when liquid injection is required, the diluent container 32 is pressed downward, so that when the nozzle 322 moves toward the bottle body 321 to a predetermined position, the suction assembly can be triggered to suck the diluent in the bottle body 321 to the liquid outlet 3221, and further, the diluent is injected from the liquid outlet 3221 to the liquid injection port 211 on the microfluidic disc 21; when the liquid is not required to be filled, the external force applied to the diluent container 32 is removed, and the diluent container 32 can be supported in the positioning hole 311 by the elastic element 34, so that the nozzle 322 is prevented from being extended too long and easily touched by mistake. For example, the elastic element 34 in the present embodiment may be a spring, an elastic pad, or the like.

In some embodiments, the end surface of the nozzle 322 facing the base 20 is provided with the liquid outlet 3221, the end of the liquid outlet 3221 is provided with a conduit 33, and when the nozzle 322 moves toward the base 20, the conduit 33 extends into the liquid injection port 211, so that the diluent flowing out from the diluent container 32 can be completely injected into the microfluidic disc 21, and the diluent is prevented from spilling on the microfluidic disc 21. Alternatively, the duct 33 in this embodiment may be provided integrally with the nozzle 322, or may be separately machined and assembled to the nozzle 322.

Furthermore, the mounting bracket 31 is provided with a supporting protection plate 313, the supporting protection plate 313 is disposed at one end of the positioning hole 311 facing the base 20, the supporting protection plate 313 is provided with a relief hole 3132 opposite to the positioning hole 311, in actual use, the guide tube 33 extends out of the relief hole 3132 from the positioning hole 311 and can further communicate with the liquid injection port 211 on the microfluidic disk 21, two opposite sides of the supporting protection plate 313 are provided with shielding portions 3131, the shielding portions 3131 can be shielding plates, the inner side guide tube 33 and the like can be protected by the shielding portions 3131, and the whole mounting bracket 31 can be supported and mounted on the base 20 (see fig. 2).

In summary, when the liquid injection assembly 30 of the present invention injects liquid, at first, the diluent container 32 is installed at the positioning hole 311, and the liquid outlet 3221 of the diluent container 32 is aligned with the liquid injection port 211 of the micro-fluidic disc 21, and then the pressing force is applied to the nozzle 322, so that the suction assembly sucks the diluent in the bottle body 321 to the liquid outlet 3221, and further injects the liquid into the liquid injection port 211. It can be seen that, the utility model discloses a need not the manual work when the biochemical detector annotates liquid and grips diluent container 32 and extrude, and only need can realize the interpolation and the pouring of diluent through pressing diluent container 32, easy operation is swift, is convenient for improve biochemical detector 100's detection efficiency.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A biochemical detector, comprising:

the device comprises a base (20), wherein a micro-fluidic disc (21), a tray (22) and a driving device (23) are arranged on the base (20), the driving device (23) is in driving connection with the tray (22) and is used for driving the tray (22) to rotate, the micro-fluidic disc (21) is arranged on the tray (22), and a liquid injection port (211) is arranged on the micro-fluidic disc (21); and

annotate liquid subassembly (30), annotate liquid subassembly (30) including installing support (31) and diluent container (32), installing support (31) set up in base (20) top, diluent container (32) set up in installing support (31), the liquid outlet (3221) of diluent container (32) be used for with annotate liquid mouth (211) intercommunication and set up in order to be used for to annotate liquid mouth (211) and add the diluent.

2. The biochemical detector according to claim 1, wherein the diluent container (32) is disposed upside down on the mounting bracket (31) such that the liquid outlet (3221) is aligned with the liquid inlet (211); alternatively, the first and second electrodes may be,

the diluent container (32) is arranged on the mounting bracket (31) in an upright or inclined manner, and the liquid outlet (3221) is communicated with the liquid injection port (211) through a pipeline.

3. The biochemical detector according to claim 1, wherein the mounting bracket (31) is provided with a positioning hole (311), the positioning hole (311) is arranged to penetrate through the mounting bracket (31) in a height direction, and the diluent container (32) is arranged in the positioning hole (311) in an inverted manner;

the diluent container (32) comprises a bottle body (321), a nozzle (322) and a suction assembly, wherein the nozzle (322) is arranged on the bottle body (321), the nozzle (322) is provided with the liquid outlet (3221), the suction assembly is arranged in the nozzle (322) and communicated with the bottle body (321) and the liquid outlet (3221), and when the nozzle (322) moves to a preset position in a direction close to the bottle body (321) under the action of external force, the suction assembly is triggered to suck the diluent in the bottle body (321) to the liquid outlet (3221).

4. The biochemical detector according to claim 3, wherein a support portion (312) is disposed on an inner wall of the positioning hole (311), and the support portion (312) is used for supporting the diluent container (32).

5. The biochemical detector according to claim 4, wherein the liquid injection assembly (30) further includes an elastic member (34), and the elastic member (34) is supported and disposed between the supporting portion (312) and the nozzle (322).

6. The biochemical detector according to claim 4, wherein the end surface of the nozzle (322) facing the base (20) is provided with the liquid outlet (3221), the end of the liquid outlet (3221) is provided with a conduit (33), and when the nozzle (322) moves towards the base (20), the conduit (33) extends into the liquid injection port (211).

7. The biochemical detector according to claim 6, wherein a supporting protection plate (313) is disposed on the mounting bracket (31), the supporting protection plate (313) is disposed at one end of the positioning hole (311) facing the base (20), a yielding hole (3132) opposite to the positioning hole (311) is disposed on the supporting protection plate (313), the guide tube (33) extends out of the yielding hole (3132) from the positioning hole (311), and two opposite sides of the supporting protection plate (313) are disposed with shielding portions (3131).

8. The biochemical detector according to any one of claims 1 to 7, wherein the diluent container (32) is a transparent or translucent container.

9. The biochemical detector according to any one of claims 1 to 7, wherein the priming assembly (30) further comprises a liquid level detection element for detecting a liquid level of the diluent in the diluent container (32).

10. The biochemical detector according to claim 9, further comprising a controller and an alarm device, wherein the alarm device and the liquid level detecting element are electrically connected to the controller, and the controller controls the alarm device to send an alarm signal when the liquid level detecting element detects that the liquid level in the diluent container (32) drops to a predetermined value.

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