CN210222045U

CN210222045U - Liquid bag and sample test card

Info

Publication number: CN210222045U
Application number: CN201921115857.2U
Authority: CN
Inventors: Jinping Tang; 唐金平; Xizeng Shi; 石西增; Jiehua Xiao; 肖杰华
Original assignee: Xizeng Shi
Current assignee: Shenzhen Boshi Diagnostic Technology Co., Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-03-31
Anticipated expiration: 2029-07-16

Abstract

The utility model provides a liquid package and sample test card relates to external diagnosis check out test set technical field. The liquid bag comprises a cylindrical container, at least one cylindrical hole is formed in the cylindrical container, the upper end and the lower end of the cylindrical hole are communicated, a first sealing film is sealed at the upper end of the cylindrical hole, and a second sealing film is sealed at the lower end of the cylindrical hole; the first sealing film, the second sealing film and the cylinder hole form a reagent cavity for containing a reagent. The utility model discloses be independent of the encapsulated mode of test card main part with test reagent, can reduce the manufacturing process requirement of test card and effectively prevent that reagent from volatilizing, prolong the effective period of test card.

Description

Liquid bag and sample test card

Technical Field

The utility model belongs to the technical field of external diagnosis check out test set technique and specifically relates to a liquid package and sample test card is related to.

Background

Sample test cards have been used to analyze biological samples in magnetic-sensitive, spectroscopic, or other automated readers. Such a reader receives a test card having a size of about the size of a game card for testing the reaction products of the various reagents in the test card with the sample to be tested.

The existing sample test card is provided with a liquid storage chamber, a reaction chamber, a waste liquid pool and the like, wherein the liquid storage chamber is used for storing liquid reagents, re-solvents, cleaning agents and the like required by reaction, the bottom of the liquid storage chamber is provided with a unsealing opening for controlling the liquid in the liquid storage chamber to flow, when the sample test card is used, the unsealing opening at the bottom of the liquid storage chamber is opened through a puncture piece, and then the liquid in the liquid storage chamber can be extruded to a corresponding working chamber through a corresponding channel.

At present, the injection of liquid in the liquid storage chamber is carried out in the process of processing a sample test card, namely, in the process of processing the sample test card, the liquid storage chamber is processed and finished firstly, then the required liquid is injected into the liquid storage chamber, and after the liquid injection is finished, the sealing cover is utilized to be sealed and welded on the liquid storage chamber so as to realize the sealing of the liquid in the liquid storage chamber.

In practical application, the mode of storing liquid in the current liquid storage room is found, receives the influence of sealing performance, and partial sample test card is placed a period of time after, and liquid in it can partial evaporation, can all evaporate even after placing for a long time, leads to whole sample test card unable use, perhaps can not reach the operation requirement.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a liquid bag to the mode of storing liquid in the liquid storage room of having alleviated current sample test card receives sealing performance's influence, and partial sample test card is after placing a period, and liquid in it can the partial evaporation, leads to the unable technical problem who uses of whole sample test card easily.

A second object of the present invention is to provide a sample test card to the mode of storing liquid in the liquid storage room of having alleviated current sample test card receives sealing performance's influence, and partial sample test card is after placing a period, and liquid in it can the partial evaporation, leads to the unable technical problem who uses of whole sample test card easily.

The utility model provides a liquid bag, which comprises a cylindrical container, wherein at least one cylindrical hole is arranged on the cylindrical container, the upper end and the lower end of the cylindrical hole are communicated, a first sealing film is sealed at the upper end of the cylindrical hole, and a second sealing film is sealed at the lower end of the cylindrical hole;

the first sealing film, the second sealing film and the cylinder hole form a reagent cavity for containing a reagent.

Further, the material of the cylindrical container is rigid plastic;

the first sealing film and the second sealing film are both metal films, plastic layers are arranged on the surfaces of the metal films, and the plastic layers are made of the same material as the rigid plastic.

Further, the first sealing film and the second sealing film are both aluminum plastic films.

Further, the cylindrical container comprises a bottom surface and a top surface which are opposite and parallel to each other, the cylinder hole penetrates through the space between the bottom surface and the top surface, and the axis of the cylinder hole is perpendicular to the top surface or the bottom surface.

Further, the circumferential side surface of the cylindrical container is arc-shaped, and the circumferential side surface is perpendicular to the top surface or the bottom surface.

Furthermore, the liquid bag is provided with a plurality of cylinder holes, the cylinder holes are mutually independent, the upper ends of the cylinder holes are sealed by the same first sealing film, and the lower ends of the cylinder holes are sealed by the same second sealing film.

Further, a fixing mechanism is arranged on the side wall of the cylindrical container and used for fixing the cylindrical container.

The utility model provides a sample test card, which comprises a main body, wherein a liquid bag installation pool is arranged on the main body, and an elastic sealing cover is hermetically connected on the liquid bag installation pool;

be provided with in the liquid package installation pond the utility model provides a liquid package, be provided with on the bottom surface in liquid package installation pond and open the mouth, the second sealing film of liquid package with the bottom surface contact in liquid package installation pond sets up, just the second sealing film of liquid package with it corresponds the setting to open the mouth, the first sealing film of liquid package with the sealed lid of elasticity corresponds the setting.

Furthermore, a buckle is arranged on the side wall of the liquid bag mounting pool, a clamping bone is arranged on the cylindrical container, and the buckle is connected with the clamping bone to fix the liquid bag.

Furthermore, a guide boss is arranged at one end, close to the bottom surface, of the side wall of the liquid bag mounting pool, and the guide boss is used for guiding and positioning the mounting of the liquid bag.

The sample test card further comprises a top cover, an elastic sealing gasket, a printed circuit board and a bottom cover, wherein the main body is also provided with a sample cell, a waste liquid cell and a microfluidic channel, and the bottom of the sample cell is provided with an opening seal;

the top cover covers the upper part of the main body, the elastic sealing gasket, the printed circuit board and the bottom cover are sequentially connected to the bottom of the main body from top to bottom, and the microfluidic channel is formed between the elastic sealing gasket and the bottom of the main body; the microfluidic channel is respectively communicated with the liquid bag installation pool and the unsealing port of the sample pool.

The utility model provides a liquid bag, which comprises a cylindrical container, wherein the cylindrical container is provided with at least one cylindrical hole, the upper end and the lower end of the cylindrical hole are communicated, the upper end of the cylindrical hole is sealed with a first sealing film, and the lower end of the cylindrical hole is sealed with a second sealing film; the first sealing film, the second sealing film and the cylinder hole form a space for containing liquid. In the sample test card course of working, place the liquid package in the liquid package installation pond of test card (also can understand as current liquid reservoir) in advance to make first sealing film and liquid package installation bottom contact, when specifically using sample test card to detect the sample, pass the opening seal of liquid package installation bottom through the puncture piece and pierce the second sealing film, make the liquid in the liquid package can flow into opening seal, and accessible press first sealing film and make a large amount of liquid flow into opening seal, in order to satisfy the test demand. Compared with the prior mode of directly injecting liquid into the liquid storage chamber, the liquid bag of the utility model has the advantages that the sealing structure of the liquid is formed by the liquid bag, the sealing effect of the corresponding liquid is less influenced by the sealing of the liquid bag mounting pool, the sealing effect of the liquid in the sample detection card is improved, and the evaporation of the liquid in the sample detection card is avoided; and the liquid package is placed in the liquid package mounting pool, and the liquid package mounting pool is sealed generally, so that the liquid in the sample detection card is equivalently sealed doubly, and the double sealing ensures the sealing effect of the liquid in the sample detection card. It is thus clear that the utility model discloses the liquid package can provide good sealing performance for the required liquid of sample test card, has avoided the evaporation of liquid, and corresponding having avoided leads to the unable use of whole sample test card because liquid evaporation, perhaps does not reach operation requirement's the condition and takes place.

The utility model discloses be provided with in the liquid package installation pond of sample test card the utility model provides a liquid package, the utility model discloses the sample test card is independent of the packaging mode of test card main part with test reagent, can reduce the manufacturing process requirement of test card and effectively prevent that reagent from volatilizing, prolongs the valid period of test card.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic top perspective view of a liquid pack according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is an external view of a sample test card according to an embodiment of the present invention;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic diagram of a side of a main body of a sample test card facing a top cover according to an embodiment of the present invention;

fig. 6 is a schematic view of a side of a main body of a sample test card facing a bottom cover according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a bottom cover of a sample test card according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of a sample test card along the direction of a liquid bag installation pool and a waste liquid pool according to an embodiment of the present invention;

fig. 9 is a top view of a top cover of a sample test card according to an embodiment of the present invention;

fig. 10 is a top bottom view of a sample test card according to an embodiment of the present invention;

fig. 11 is a front view of a sample test card according to an embodiment of the present invention;

fig. 12 is a side cross-sectional view of a sample test card according to an embodiment of the present invention;

fig. 13 is a schematic view illustrating unsealing and filling of the sample test card according to an embodiment of the present invention.

Icon: 1-a top cover; 2-an elastic sealing cover; 3-a body; 4-an elastic sealing gasket; 5-a printed circuit board; 6-bottom cover; 7-liquid bag; 8-liquid injection pressure head; 9-opening a seal head; 101-air holes; 103-a first upper via; 105-a second upper via; 106-third upper via; 301-a microfluidic channel; 302-liquid bag installation tank; 303-first reagent unsealing; 304-second reagent unsealing; 306-sample unsealing; 311-a first waste reservoir; 312-a second waste reservoir; 313-a sample cell; 314-a card slot; 315-fastener; 316-guide boss; 601-ultrasonic welding line; 603-a first lower via; 604-a second lower via; 606-a third lower via; 700-cartridge type container; 701-a first reagent chamber; 702-a second reagent chamber; 703-Kagu; 704-a first sealing film; 705-second sealing film.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

Example one

As shown in fig. 1-2, the present embodiment provides a liquid pack 7, which includes a cylindrical container 700, wherein at least one cylindrical hole is formed in the cylindrical container 700, the upper end and the lower end of the cylindrical hole are through, a first sealing film 704 is sealed at the upper end of the cylindrical hole, a second sealing film 705 is sealed at the lower end of the cylindrical hole, and the first sealing film 704, the second sealing film 705 and the cylindrical hole form a reagent chamber for containing a reagent.

Note that, when the material of the cartridge 700 and the first and

second sealing films

704 and 705 is selected, it should be noted that the material does not react with the liquid reagent to be contained in the reagent chamber. It will be appreciated that the side wall of the cartridge type container 700 is the frame of the integral liquid pack 7, which may be made of a material having a certain rigidity, such as plastic having a certain supporting strength, etc. The first sealing film 704 and the second sealing film 705 are structures that are easily broken by an external force.

The embodiment of the utility model provides a liquid package 7, compare current direct liquid storage chamber mode of injecting reagent into, because liquid package 7 self has formed the seal structure of liquid, the sealed influence that receives liquid package installation pond 302 itself of corresponding liquid is less, the sealed effect of the liquid in the sample test card has been improved, the evaporation of liquid in it has been avoided, correspondingly avoided leading to whole sample test card can't use because liquid evaporation, or can't reach operation requirement's the condition and take place, the shelf life of sample test card has been improved.

In a preferred embodiment of the present invention, the cylindrical container 700 is made of rigid plastic, the first sealing film 704 and the second sealing film 705 are both metal films, and the surface of the metal films is provided with a plastic layer, which is made of the same material as the rigid plastic. Specifically, the first sealing film 704 and the second sealing film 705 are both aluminum-plastic films.

The rigid plastic is a plastic that is not easily deformed at normal temperature, and for example, PE (polyethylene) plastic having an appropriate thickness.

It will be appreciated that the surface of the metal film is provided with a layer of plastic of the same material as the rigid plastic, i.e. the sealing film is a metal film with a coating of the same material as the cartridge type container 700. This configuration facilitates the connection of the first sealing film 704 and the second sealing film 705 to the cartridge type container 700, and particularly, the first sealing film 704 and the second sealing film 705 may be connected to the cartridge type container 700 by thermal welding. The butt fusion of the same kind of material can play fine sealed effect, and simultaneously, metal film has splendid anti-volatile property, so this structure is favorable to the reagent long-term storage in the liquid package 7.

As shown in fig. 1 or fig. 2, this embodiment specifically provides a structure form that the liquid bag 7 contains two reagents, that is, two reagent chambers are arranged on the liquid bag 7. Specifically, the cylindrical container 700 is provided with two cylindrical holes which are independent from each other, the upper ends of the two cylindrical holes are sealed by using the same first sealing film 704, and the lower ends of the two cylindrical holes are sealed by using the same second sealing film 705. Each through hole and the sealing films at the upper and lower ends thereof form one reagent chamber, and for convenience of description, the two reagent chambers are defined as a first reagent chamber 701 and a second reagent chamber 702.

It can be understood that one liquid bag 7 is provided with two reagent chambers, and each reagent chamber can contain one liquid, so that the applicability of the liquid bag 7 is improved.

Naturally, the liquid bag 7 may also be provided with one reagent chamber or a plurality of reagent chambers, such as three or four reagent chambers larger than two, and the specific structure is different from the form of two reagent chambers provided in this embodiment only in terms of quantity, and details are not described here. It should be noted that the size, number and arrangement form of the plurality of reagent chambers on the cartridge type container 700 can be arranged according to actual needs, and are not limited to the form shown in the figure of the present embodiment.

As a preferred embodiment of the present invention, as shown in fig. 1 or 2, the reagent chamber of the liquid pack 7 is a straight cylinder, that is, the cylinder container 700 includes a bottom surface and a top surface which are opposite and parallel to each other, the cylinder hole is formed between the bottom surface and the top surface, and the axis of the cylinder hole is perpendicular to the top surface or the bottom surface. It can be understood that the straight-tube reagent chamber is more suitable for actual requirements and is also beneficial to the outflow of liquid in the reagent chamber.

As another preferred embodiment of the present invention, as shown in fig. 1, the outer wall of the liquid pack 7 is arc-shaped, specifically, the circumferential side of the cylindrical container 700 is arc-shaped, and the circumferential side is perpendicular to the top surface or the bottom surface. It will be appreciated that the arcuate shape of the liquid pack 7 is more aesthetically pleasing and facilitates the mounting of the liquid pack 7 than an angular configuration.

With continued reference to fig. 1, the sidewall of the cylindrical container 700 of this embodiment is provided with a fixing mechanism, and the fixing mechanism is used to fix the cylindrical container 700. Specifically, the securing mechanism in this embodiment may be a snap 703 that fits into a catch 315 of the fluid pack receiving well 302 of the sample test card.

It should be noted that the bore of the cylindrical container is not limited to a circular shape, and may be designed into any shape as required, for example: square, oval, irregular, etc. The outer shape of the cartridge type container is not limited to the shape shown in the drawings, but can be designed into any shape as required, for example, but not limited to: and (4) square.

In the specific production of the liquid pack 7 of this embodiment, the cylindrical container 700 is manufactured first, and then the second sealing film 705 is sealed at the bottom of the cylindrical container 700 by heat welding to form a bottom-sealed cylinder; and then injecting a required liquid reagent into the cylinder with the sealed bottom, and after the injection of the liquid reagent is finished, sealing the first sealing film 704 at the upper end of the cylinder-shaped container 700 by adopting a thermal welding mode to form a reagent cavity with two sealed ends and sealing the liquid in the reagent cavity.

The embodiment of the utility model provides a liquid package 7, in sample test card course of working, place liquid package 7 in the liquid package installation pond 302 of test card (also can understand present liquid reservoir), and make first sealing film 704 and the contact of liquid package installation pond 302 bottom in advance, when specifically using sample test card to detect the sample, the opening that passes liquid package installation pond 302 bottom through the puncture piece seals second sealing film 705 and punctures, make the liquid in the liquid package 7 can flow in open in the seal, and the accessible presses first sealing film 704 and makes a large amount of inflow of liquid open and seal, in order to satisfy the test demand.

Since the liquid pack 7 is placed in the liquid pack installation well 302, and the liquid pack installation well 302 is sealed generally, the liquid in the sample detection card is equivalently sealed doubly, and the double sealing ensures the sealing effect of the liquid in the double sealing. It can be seen that, the embodiment of the utility model provides a liquid package 7 can provide good sealing performance for the required liquid of sample test card, has avoided the evaporation of liquid, and corresponding having avoided leads to whole sample test card to be unable to use because liquid evaporation, perhaps does not reach operation requirement's the condition and takes place, has improved the shelf life of sample test card.

Example two

As shown in fig. 3-13, the present embodiment provides a sample test card, which comprises a top cover 1, an elastic sealing cover 2, a main body 3, an elastic sealing gasket 4, a printed circuit board 5 and a bottom cover 6 from top to bottom in sequence, wherein the main body 3 is provided with a liquid bag installation pool 302, a sample pool 313, a waste liquid pool, a microfluidic channel 301, the liquid bag installation pool 302 is connected with the elastic sealing cover 2 in a sealing manner, and the liquid bag installation pool 302 is provided with a liquid bag 7 according to an embodiment of the present invention.

The sample test card of this embodiment will be described in detail by taking an example in which two reagent chambers are provided in the liquid pack 7.

Specifically, as shown in fig. 6, the main body 3 is provided with a microfluidic channel 301 at a side of the bottom cover 6. As shown in fig. 5, the main body 3 includes a sample cell 313 and two waste liquid cells, which are a first waste liquid cell 311 and a second waste liquid cell 312, on one side of the top cover 1. The main body 3 is provided with a first reagent unsealing seal 303, a second reagent unsealing seal 304, and a sample unsealing seal 306 at the bottom of the first reagent chamber 701 and the second reagent chamber 702 of the liquid pack 7 and the bottom of the sample cell 313, respectively. The inlets of the microfluidic channel 301 at the first reagent chamber 701, the second reagent chamber 702 and the sample cell 313 are connected to the first reagent chamber 701, the second reagent chamber 702 and the sample cell 313 through respective unsealing seals. The first reagent unsealing port 303 and the second reagent unsealing port 304 are through holes; the sample unsealing opening 306 has a structure that is breakable by an external force, and is made of a material that does not chemically react with a reagent and does not adhere to particles. Preferably, the sample opening closure 306 is of unitary construction with the main body 3, and the sample opening closure 306 is locally thinned to facilitate opening under external forces. The bottoms of the first waste reservoir 311 and the second waste reservoir 312 communicate with the liquid outlet of the microfluidic channel 301. The cuvette 313 of the main body 3 on one side of the top cover 1 is formed with an upwardly protruding inlet. The body 3 is provided with a clamp groove 314 which is matched with the elastic sealing cover 2 at the periphery of the liquid bag mounting pool 302 and the sample pool 313.

In this embodiment, the bottom cover 6 is provided with an ultrasonic bonding wire 601, and the bottom cover 6 is used to cover the main body 3 or to be connected to the main body 3 to press the printed circuit board 5 and the elastic sealing gasket 4, thereby sealing the microfluidic channel 301. The bottom cover 6 is provided with a first lower through hole 603, a second lower through hole 604 and a third lower through hole 606, which are coaxial with the seal-opening ports of the first reagent chamber 701, the second reagent chamber 702 and the sample cell 313, respectively, and are used for penetrating the elastic sealing gasket 4 through the acting force of the seal-opening head 9 or other seal-opening devices on the testing instrument to act on each seal-opening port, so as to open the seal-opening ports or the sealing films. The aperture of each lower through hole is slightly larger than that of the opening end enclosure 9 on the instrument.

As shown in fig. 8, the elastic sealing cap 2 has a structure to be fitted with a catching groove 314 formed on the main body 3, and functions to seal the inlet of the liquid pack installation well 302 when it is fitted on the main body 3, and is shaped to be fitted with the liquid pack installation well 302. For example, the portion of the elastic sealing cap 2 that fits into the annular groove 314 of the body 3 is formed in a wedge shape, the top end of the wedge shape is narrower than the groove, and the tail end of the wedge shape is wider than the groove, so that the elastic sealing cap 2 is pressed into the annular groove 314 during assembly, and the liquid pack is mounted on the inlet portion of the tank 302 by compression deformation of the elastic sealing cap 2. The elastic sealing cover 2 may further include a portion extending to the sample cell 313 to seal the sample cell 313, and an opening portion of the elastic sealing cover 2 corresponding to the sample cell 313 has an easy-to-open and easy-to-snap structure to facilitate opening of the sample cell 313 for sample injection during testing.

The resilient sealing gasket 4 acts to seal the microfluidic channel 301 and has a length and width dimension at least to cover the microfluidic channel 301 and the respective unsealing mouths of the body 3.

As shown in fig. 9 and 10, the top cover 1 is provided with a first upper through hole 103, a second upper through hole 105, and a third upper through hole 106, which are coaxially located with the first reagent chamber 701, the second reagent chamber 702, and the sample cell 313, respectively, and preferably, the size of each upper through hole may be determined by the injection ram 8 on the device, specifically, the aperture of the first upper through hole 103, the second upper through hole 105, and the third upper through hole 106 is slightly larger than the injection ram 8 on the device. The top cover 1 is also provided with an ultrasonic welding line, and the top cover 1 is used for connecting with the main body 3, sealing the first waste liquid pool 311 and the second waste liquid pool 312 and pressing the elastic sealing covers 2 on the liquid bag mounting pool 302 and the sample pool 313. The top cover 1 is also provided with an air hole 101, and the air hole 101 is used for communicating the microfluidic channel 301 with the atmosphere, so that the internal pressure is unchanged in the fluid movement process and is always close to the atmospheric pressure. In this embodiment, there are 12 small air holes 101 at 3 positions.

In this embodiment, the sample test card may be a magnetic sensitive immunoassay diagnostic test card. Specifically, in this embodiment, the method for assembling the diagnostic test card for a magnetic immunoassay analyzer having a microfluidic channel 301 is as follows: the elastic sealing gasket 4 is firstly placed on the main body 3 to cover the microfluidic channel 301, then the printed circuit board 5 is placed on the elastic sealing gasket 4, then the bottom cover 6 is placed on the printed circuit board 5, and the bottom cover 6 is welded with the main body 3 by an ultrasonic welding machine, so that the elastic sealing gasket 4 seals the microfluidic channel 301 on the main body 3. After welding, the liquid bag 7 is put in; tightly covering the elastic sealing cover 2; finally, the top cover 1 is placed on the body 3, and the top cover 1 and the body 3 are preferably welded together by an ultrasonic welding machine.

As shown in fig. 13, in this embodiment, when the sample test card is used, the open end cap 9 on the instrument firstly pierces the second sealing films 705 at the bottoms of the first reagent chamber 701 and the second reagent chamber 702 on the liquid pack 7 and the sample open end 306 on the main body 3 through the first lower through hole 603, the second lower through hole 604 and the third lower through hole 606 on the bottom cap 6, and then the corresponding liquid injection pressure head 8 injects liquid into the microfluidic channel 301 by pressing the elastic sealing cap 2 on the upper portion of the liquid pack installation well 302 on one side of the top cap 1 of the main body 3; the reciprocating extrusion can also realize the reciprocating flow of the liquid in the channel.

The liquid injection sequence of various liquids can be set according to practical application. Preferably, the opener head 9 acts on the second sealing film 705 of the fluid package 7 and on the sample opener seal 306 on the body 3 via the elastic sealing gasket 4 without piercing the elastic sealing gasket 4. The material chosen to form the resilient seal 4 is sufficiently malleable so that the resilient seal 4 does not rupture when the second sealing film 705 of the fluid pack 7 and the sample tear-off seal 306 on the body 3 are opened.

As a specific installation form, as shown in fig. 4 or 5, a clip 315 is provided on a side wall of the liquid pack installation well 302, a clip 703 is provided on the cartridge type container 700, and the clip 315 is connected with the clip 703 to fix the liquid pack 7.

Further, as a preferred embodiment, one end of the side wall of the liquid bag installation pool 302 near the bottom surface is provided with a guide boss 316, and the guide boss 316 is used for guiding and positioning the installation of the liquid bag 7.

When the liquid bag 7 is installed, the guide boss 316 of the main body 3 on one side of the top cover 1 guides and positions the side edge of the liquid bag 7, and the clamp 315 of the main body 3 of the test card on one side of the top cover 1 buckles the clamp rib 703 on the side of the liquid bag 7, so that the liquid bag 7 is prevented from loosening.

In this embodiment, the top cover 1, the main body 3, and the bottom cover 6 are preferably made of rigid materials, the number of the liquid pack installation wells 302 is not limited to one, the number of the sample wells 313 is not limited to one, and the number of the waste liquid wells is not limited to two, and the number thereof can be set as needed. The elastic sealing cover 2 and the elastic sealing gasket 4 can be made of rubber with the physical property of smooth surface, so that the channel can not be adhered with microparticles in the liquid reagent, and the application limitation is reduced. The liquid pack 7 is sealed by glue between the main body 3 and the side of the top cover 1 when mounted in the liquid pack mounting well 302.

The sample test card of the embodiment has the following advantages:

1) one or more liquid reagents participating in diagnosis can be arranged in the diagnosis test card, so that the injection of the liquid reagents becomes simple, the size of the instrument can be greatly reduced, the risk of liquid pollution in the instrument is reduced, and the portability and the usability of the instrument are improved.

2) The liquid microchannel is sealed by the elastic pad, so that the liquid microchannel can be suitable for various liquid reagents, and particularly, the liquid reagents with microparticles cannot be adhered in the microchannel, thereby expanding the application range and simplifying the assembly.

3) The microfluidic channels 301 are provided in a rigid material, which ensures a uniform and consistent channel and thus a smooth movement of the fluid.

4) The liquid reagent in the test card adopts a packaging mode independent of the test card main body 3, so that the manufacturing process requirement of the test card can be reduced, the reagent is effectively prevented from volatilizing, and the validity period of the test card is prolonged.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A liquid bag is characterized by comprising a cylindrical container, wherein at least one cylindrical hole is formed in the cylindrical container, the upper end and the lower end of the cylindrical hole are communicated, a first sealing film is sealed at the upper end of the cylindrical hole, and a second sealing film is sealed at the lower end of the cylindrical hole;

2. The fluid pack according to claim 1, wherein the cartridge container is made of a rigid plastic material;

3. The fluid bag according to claim 2, wherein the first sealing film and the second sealing film are both aluminum plastic films.

4. The fluid pack as claimed in claim 3, wherein the cartridge container comprises a bottom surface and a top surface which are opposed and arranged in parallel, the cartridge hole is formed between the bottom surface and the top surface, and an axis of the cartridge hole is perpendicular to the top surface or the bottom surface.

5. The liquid pack according to claim 4, wherein the peripheral side surface of the cartridge-type container is arc-shaped, and the peripheral side surface is perpendicular to the top surface or the bottom surface.

6. The fluid pack according to any one of claims 1 to 5, wherein a plurality of the cylinder holes are provided in the fluid pack, the plurality of the cylinder holes are provided independently of each other, and the upper ends of the plurality of the cylinder holes are sealed with the same first sealing film and the lower ends of the plurality of the cylinder holes are sealed with the same second sealing film.

7. A fluid pack according to any one of claims 1 to 5, wherein fixing means for fixing the cartridge type container is provided on a side wall of the cartridge type container.

8. A sample test card is characterized by comprising a main body, wherein a liquid bag installation pool is arranged on the main body, and an elastic sealing cover is hermetically connected to the liquid bag installation pool;

the liquid bag according to any one of claims 1 to 7 is arranged in the liquid bag installation pool, an opening seal is arranged on the bottom surface of the liquid bag installation pool, the second sealing film of the liquid bag is arranged in contact with the bottom surface of the liquid bag installation pool, the second sealing film of the liquid bag is arranged corresponding to the opening seal, and the first sealing film of the liquid bag is arranged corresponding to the elastic sealing cover.

9. The sample testing card of claim 8, wherein a snap is provided on a side wall of the fluid pack mounting well, and a snap rib is provided on the cartridge type container, the snap rib being connected with the snap rib to fix the fluid pack.

10. The sample test card according to claim 8 or 9, wherein a guide projection is provided at an end of the side wall of the liquid pack installation well near the bottom surface, and the guide projection is used for guiding and positioning installation of the liquid pack.

11. The sample testing card of claim 8 or 9, wherein the sample testing card further comprises a top cover, an elastic sealing gasket, a printed circuit board and a bottom cover, the main body is further provided with a sample cell, a waste liquid cell and a microfluidic channel, and the bottom of the sample cell is provided with an opening seal;