TWI688759B - Inspection test piece device - Google Patents

Abstract

A test piece device includes a pivot unit and a locking unit installed between a base unit and a top cover unit. The top cover unit is rotatable relative to the base unit by the pivot unit, and includes a base body and a first inspection part provided on the base body, the top cover unit includes a cover body and the cover body A perforation and a first observation window, the lock unit includes two clip seats, a movable seat and a fixed seat, the two clip seats are disposed on the cover and located on both sides of the perforation, the movable seat has a quilt The clamped block clamped by the two clamp seats, and a lock block disposed in the clamped block and an operation block located in the through hole, the fixing base is disposed on the base body and has a lock groove. When the top cover unit is in a closed position, the lock block can be inserted into the lock slot to lock the top cover unit and the base unit to each other. In this way, the invention can reduce the probability of the specimen being contaminated and improve the inspection accuracy.

Description

Inspection test piece device

The invention relates to a device for testing specimens, in particular to a device for testing specimens.

Referring to FIG. 1, a conventional test strip device 10 includes a lower cover 11, an upper cover 12, and a test strip group 13. The lower cover 11 is generally rectangular and has a plurality of insertion cylinders 111 on two long sides and a fixed group 112 in the middle. The upper cover 12 has a plurality of insertion columns 121 for inserting the insertion cylinders 111 and A specimen injection hole 122 and an inspection window 123 aligned with the fixed group 112, the test piece group 13 has a support block 131 detachably mounted on the fixed group 112, and a support block 131 fixed on the support block 131的检测片132.

In use, the inspector first puts the test strip group 13 into the fixed group 112, and then inserts the insertion pins 121 into the insertion cylinders 111, so that the upper cover 12 and the lower cover 11 are butted and combined, and the inspection The body injection hole 122 and the inspection window 123 are aligned with the test piece 132. Then, the tester drops the sample into the sample injection hole 122, and the sample can be absorbed by the test piece 132. Finally, the tester can View the inspection result through the inspection window 123, or insert the inspection test strip device 10 into an inspection instrument (not shown) to obtain inspection data.

Although the test strip device 10 has the above-mentioned use function, it still has the following problems: because the test strip group 13 is of a replaceable design, in order to facilitate assembly or disassembly of the upper cover 12 and the lower cover 11, the plug posts 121 Intermediate or clearance fits with the insertion cylinders 111. After using for a period of time, the insertion cylinders 111 will be expanded to produce holes, resulting in a gap between the upper cover 12 and the lower cover 11 The bonding strength of is not good, so, during the process of moving the test strip device 10, the upper cover 12 and the lower cover 11 are easily detached, which not only makes the specimen easily contaminated and reduces the accuracy of the inspection, but also the specimen Leakage and contamination of the tester.

Therefore, the object of the present invention is to provide an inspection test piece device that can increase the bonding strength between the constituent elements, can reduce the probability of contamination of the specimen to improve the inspection accuracy, and can prevent the leakage of the specimen.

Therefore, the test strip device of the present invention includes a base unit, a top cover unit, a pivot unit and a locking unit. The base unit includes a base body and a first inspection part disposed on the base body, the base body has two side walls spaced apart from each other, and a first connecting wall and a second connecting wall connecting the two side walls; the top The cover unit includes a cover body, a perforation, and a first viewing window. The cover body has an inner surface facing the seat body, and an outer surface opposite to the inner surface, connecting the inner surface and the outer side , And a first connecting edge and a second connecting edge connecting the inner surface, the outer surface and the two side edges, the perforation communicates the inner surface and the outer surface of the cover body, the first observation window is provided on the cover body Between the inner surface and the outer surface and corresponding to the first inspection portion; the pivot unit includes a pivot block group and a pivot shaft, the pivot block group is disposed on the first connecting wall of the seat body and the cover body Between a connecting edge, the pivot shaft passes through the pivot block group, and the pivot unit makes the top cover unit rotate relative to the base unit between an open position and a closed position; the lock unit It includes two clip seats, a movable seat and a fixed seat. The two clip seats are disposed on the inner surface of the cover body and are respectively located between the two side edges and the perforation. The movable seat is installed on the cover body and can extend along the The two sides move linearly. The movable seat has a clamped block clamped by the two clamps, a lock block disposed on the clamped block and protruding toward the first connecting edge, and a clamped block An operation block sandwiched by the block and located in the perforation, the fixing seat is provided on the seat body and has a lock slot open toward the second connecting wall; when the top cover unit is in the closed position, the first observation The window is located at the top of the first inspection part, the lock block of the movable seat is aligned with the lock groove of the fixed seat along the two sides and is in an unlocked position, and the movable seat is oriented toward the movable block by applying force to the operation block Pushed by the first connecting edge, the lock block of the movable seat is inserted into the lock groove of the fixed seat and is located at a locking position, so that the top cover unit and the base unit are locked with each other.

The effect of the present invention is that the locking unit can lock the top cover unit and the base unit to improve the bonding strength of the two, so that the top cover unit can be prevented from opening and detaching relative to the base unit. Not only can reduce the probability of the specimen being contaminated to improve the accuracy of the inspection, but also prevent the specimen from leaking.

Referring to FIG. 2, an embodiment of the test strip device 2 of the present invention includes a base unit 20, a top cover unit 30, a pivot unit 40 and a locking unit 50.

The base unit 20 includes a base 21, a first inspection part 22, a second inspection part 23 and a bottom wall 24.

The base 21 has two side walls 211 spaced parallel to each other, and a first connecting wall 212 and a second connecting wall 213 connecting the two side walls 211.

The first inspection portion 22 and the second inspection portion 23 are disposed on the base 21, and the first inspection portion 22 is close to the first connecting wall 212, and the second inspection portion 23 is located on the first inspection portion 22 and Between the second connecting walls 213. In this embodiment, the first inspection part 22 is used to inspect the characteristics of a specimen (not shown), such as concentration, activity, shape, etc., and has a boss 221 for the specimen to be dropped on the surface, and the second inspection The portion 23 is used to check the pH of the sample, and has a groove 231 to accommodate a test paper 3. The above is only the description of this embodiment, and it should not be used to limit the structure and types of the first inspection part 22 and the second inspection part 23 of the present invention.

The bottom wall 24 is disposed on the base 21 and surrounds the first inspection part 22 and the second inspection part 23 and has an inner wall surface 241. The bottom wall 24 is provided with a structure that can prevent the specimen from leaking Outside the bottom wall 24, the functions of the test piece device 2 and a tester 4 (see FIG. 11) are contaminated.

Referring to FIG. 2, FIG. 3 and FIG. 4, the top cover unit 30 includes a cover body 31, a perforation 32, a first observation window 33, a second observation window 34 and a top wall 35.

The cover 31 has an inner surface 311 facing the base 21, an outer surface 312 opposite to the inner surface 311, connecting two sides 313 of the inner surface 311 and the outer surface 312, connecting the inner surface 311, the A first connecting edge 314 and a second connecting edge 315 of the outer surface 312 and the two side edges 313 are respectively disposed on the two side pieces 316 of the two side edges 313, and are respectively provided on the two side pieces 316 and close to the first The two gripping areas 317 of the two connecting edges 315, each gripping area 317 has a rough super surface or a non-flat surface, which can increase the gripping friction of the user to facilitate the rotation of the top cover unit 30. The two side panels 316 are flush with the outer surface 312 but protrude from the inner surface 311, and the distance between the two side panels 316 is greater than the distance between the two side walls 211 of the base 21.

The through hole 32 communicates with the inner surface 311 and the outer surface 312 and is close to the second connecting edge 315.

The first observation window 33 is disposed between the inner surface 311 and the outer surface 312 and corresponds to the first inspection portion 22, and the second observation window 34 is disposed between the inner surface 311 and the outer surface 312 and is The second inspection part 23 corresponds, and both the first observation window 33 and the second observation window 34 are transparent.

The top wall 35 is disposed on the inner surface 311 of the cover 31 and surrounds the first observation window 33 and the second observation window 34 and has an outer wall 351, and the size of the top wall 35 is slightly smaller than The size of the bottom wall 24.

The pivot unit 40 includes a pivot block group 41 disposed between the first connection wall 212 of the seat body 21 and the first connection edge 314 of the cover body 31, and a pivot group passing through the pivot block group 41 The shaft 42 enables the top cover unit 30 to rotate relative to the base unit 20 between an open position (see FIG. 5) and a closed position (see FIG. 7) through the pivot unit 40.

In this embodiment, the pivot block group 41 has a first pivot block 411 disposed on the first connecting wall 212 and spaced apart from each other on the first connecting edge 314 and located on opposite sides of the first pivot block 411 Two second pivot blocks 412, by placing the two second pivot blocks 412 on opposite sides of the first pivot block 411, and then passing the pivot 42 along the first connecting edge 314 on the second Between the pivot block 412 and the first pivot block 411, the top cover unit 30 and the base unit 20 can be pivotally connected to each other, and the top cover unit 30 can be pivoted relative to the base unit with the pivot 42 as a supporting axis 20 turns. It is worth noting that the positions of the first pivot block 411 and the two second pivot blocks 412 can be interchanged, which can produce the same use effect.

Referring to FIGS. 2 to 6, the locking unit 50 includes two clip seats 51, a movable seat 52 and a fixed seat 53.

The two clip seats 51 are disposed on the inner surface 311 of the cover 31 and are respectively located between the two side edges 313 and the through hole 32. Each clip seat 51 has a clip extending along the side edge 313 and close to the through hole 32 A mounting surface 511, a latching surface 512 extending along the side edge 313 and opposite to the clamping surface 511, a first connecting surface 513 connecting the clamping surface 511 and the latching surface 512 and adjacent to the top surrounding wall 35 And a second connecting surface 514 near the second connecting edge 315, a third connecting surface 515 connecting the clamping surface 511, the latching surface 512, the first connecting surface 513 and the second connecting surface 514, A notch 516 extending along the side 313 and communicating with the first connection surface 513, the second connection surface 514 and the third connection surface 515, a direction from the third connection surface 515 away from the latching surface 512 The stopper 517 extending in the direction and protruding from the clamping surface 511, and a first locking groove 518 and a second locking groove 519 disposed on the locking surface 512 and spaced apart from each other. The first locking groove 518 is close to the first connecting surface 513, and the second locking groove 519 is close to the second connecting surface 514.

The movable seat 52 is mounted on the cover 31 and can move linearly along the side edge 313, that is, along a movement mark 70 in FIGS. 4, 7, and 9, and the movable seat 52 has a two clamped seat The clamped block 521 sandwiched by 51, a lock block 522 disposed on the clamped block 521 and protruding toward the first connecting edge 314, and a lock block 522 disposed on the clamped block 521 and located in the through hole 32 An operation block 523, a frame 524 surrounding the sandwiched block 521 and located outside the two clamping seats 51, and a first locking groove provided on the frame 524 for each of the two clamping seats 51 518 or a second latching block 525 that the second latching groove 519 latches with each other.

The length of the sandwiched block 521 along the side 313 is greater than the length of the through hole 32 along the side 313, and the length of the through hole 32 along the side 313 is greater than the length of the operating block 523 along the side 313, thereby So that the sandwiched block 521 will not fall into the through hole 32, and the operation block 523 can move linearly along the side edge 313 in the through hole 32.

When the sandwiched block 521 is sandwiched by the second clamping seat 51, the two cut grooves 516 can make the second clamping seat 51 maintain an appropriate clamping tightness to the clamped block 521, which can not only improve The positioning effect of the movable seat 52 at the same time can make the movable seat 52 move smoothly, and the two clamping blocks 525 and the first clamping groove 518 or the second clamping groove 519 of the two clamping seats 51 are locked with each other The stopper can further improve the positioning effect of the movable seat 52. By the clamped block 521 being restricted between the inner surface 311 and the second clamping surface 511 and the second stop block 517, the movable seat 52 can be improved The accuracy of the linear movement can also prevent the movable seat 52 from falling out of the perforation 32.

The fixing seat 53 is disposed on the seat body 21 close to the second inspection portion 23 and has a locking groove 531 open toward the second connecting wall 213.

Referring to FIGS. 3, 5 and 6, when the top cover unit 30 is in the open position, the two locking blocks 525 of the movable seat 52 are respectively locked in the second locking grooves 519 of the two clamping seats 51. At this time, the user can drop the specimen to be tested on the boss 221 of the first test portion 22 and the test paper 3 in the groove 231 of the second test portion 23 . In the present invention, the volume of the specimens that can be accommodated by the first inspection section 22 and the second inspection section 23 is 0.3 μl to 100 μl, and the volume of the specimens that can be accommodated in the bottom wall 24 is 100 μl to 1000 μl.

Referring to FIGS. 2, 7 and 8, when the top cover unit 30 is rotated toward the base unit 20 to the closed position, the two side pieces 316 are located outside the two side walls 211, and the first observation window 33 is located at the first At the top of the inspection part 22, and there is a gap 80 between the first observation window 33 and the boss 221, the gap 80 is not less than 0.005 mm, and the setting of the gap 80 is beneficial to the improvement of the resolution of the sample characteristic detection. The setting of the gap can also be adjusted for different samples or different characteristics detection needs. The second observation window 34 is located at the top of the second inspection section 23, and the outer wall 351 of the top fence 35 abuts against the inner wall of the bottom fence 24 A surface 241, and the seat 21, the bottom wall 24, the inner surface 311 of the cover 31 and the top wall 35 together define a closed leakproof chamber 60, and the lock block 522 of the movable seat 52 is along the side 313 The lock slot 531 of the fixing base 53 is aligned, but the lock block 522 has not been inserted into the lock slot 531 and is in an unlocked position.

Referring to FIG. 2, FIG. 3, FIG. 9, and FIG. 10, when the operating block 523 exerting force on the movable base 52 pushes the operating block 523 toward the first connecting edge 314, the locking block 522 of the movable base 52 can be inserted The locking groove 531 is located in a locking position, and the two locking blocks 525 of the movable seat 52 are respectively locked in the first locking grooves 518 of the two clamping seats 51, thereby increasing the positioning of the movable seat 52 As a result, the lock block 522 is prevented from coming out of the lock slot 531.

When the lock block 522 is inserted into the lock groove 531 and located at the lock position, the test sample device 2 can be moved, and the inspector can inspect the specimen from the first observation window 33 and the second observation window 34. As shown in FIG. 11, the test piece device 2 may be inserted into the tester 4 and the test data and test results may be displayed through the screen 400 of the tester 4.

It is worth noting that the inspection test piece device 2 of the present invention only needs to be provided with the first inspection part 22 and the first observation window 33, or the second inspection part 23 and the second observation window 34 to achieve the inspection The effect of the specimen.

The test strip device 2 of the present invention is suitable for testing the quality of sperm. Referring to FIG. 5, the top cover unit 30 is first rotated to the open position, and then the sample to be tested is dropped on the convex portion of the first test portion 22 On the table 221 and the test paper 3, then, referring to FIGS. 7, 9, and 10, rotate the top cover unit 30 to the closed position, and push the operation block 523 of the movable seat 52 to make the lock block 522 Inserting into the locking groove 531, the top cover unit 30 and the base unit 20 can be locked with each other, at this time, the inspector can move the inspection test strip device 2 and view the inspection test paper through the second observation window 34 The color of 3 indicates the pH of the specimen. To know the characteristics of the specimen, such as sperm concentration, motility, morphology, etc., the test strip device 2 can be placed in a microscope (not shown) On the observation table, the characteristics of the specimen can be checked through the first observation window 33 through the microscope, or as shown in FIG. 11, the test strip device 2 can also be inserted into the tester 4 and passed through the tester The screen 400 of 4 displays the inspection data and the inspection result, and accordingly judges the quality of the specimen.

In summary, the test strip device 2 of the present invention has the following effects and advantages, so it can indeed achieve the purpose of the invention.

1. In the present invention, the locking unit 50 can lock the top cover unit 30 and the base unit 20 to improve the bonding strength of the two. Thus, even if the test strip device 2 is moved, the top cover unit 30 It will not be opened or detached from the base unit 20, which not only reduces the probability of contamination of the specimen to improve the accuracy of inspection, but also does not leak the specimen and contaminate the inspection instrument 4.

2. In the present invention, by providing the two cut grooves 516 in the second clamping base 51, the second clamping base 51 can maintain an appropriate clamping tightness to the clamped block 521, and can improve the positioning effect of the movable base 52 And the movable seat 52 can move smoothly.

3. The present invention can improve the positioning effect of the movable seat 52 by the mutual locking of the second locking block 525 of the movable seat 52 and the first locking groove 518 or the second locking groove 519 of the second clamping seat 51, When the lock block 522 is in the lock position, it can ensure that the lock is maintained between the top cover unit 30 and the base unit 20.

4. In the present invention, the clamped block 521 is limited between the inner surface 311 of the cover 31 and the clamping surface 511 and the stop block 517 of the second clamp base 51, which can improve the linear movement of the movable base 52. The accuracy can also prevent the movable seat 52 from falling out of the perforation 32.

5. In the present invention, by providing the bottom wall 24 on the base 21, it is possible to prevent the specimen from leaking out of the bottom wall 24 and contaminating the test sample device 2 and the tester 4, in addition, by the seat body 21 , The bottom wall 24, the inner surface 311 of the cover 31 and the top wall 35 together define the closed leakproof chamber 60, so that the present invention has a second leakproof design, even if the test sample device 2 drops, If it falls over, the specimen will not leak from the closed leakproof chamber 60.

6. In the present invention, by providing the two gripping areas 317 on the two side pieces 316, the gripping friction of the user can be increased to facilitate the rotation of the top cover unit 30.

7. In the present invention, the top cover unit 30 can be rotated to the open position by a robotic arm (not shown), the specimen can be dropped on the first inspection part 22 and the second inspection part 23, and the top cover The unit 30 rotates to the closed position, pushes the operation block 523 so that the lock block 522 is at the lock position, and then moves the test strip device 2 into the tester 100, which not only can achieve automated operation, but also can lower the sample The probability of being contaminated can improve inspection accuracy.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as This invention covers the patent.

2: Inspection test piece device

20: Base unit

21: seat body

211: Side wall

212: First connection wall

213: Second connection wall

22: First Inspection Department

221: boss

23: Second Inspection Department

231: Groove

24: bottom wall

241: Inner wall

30: Top cover unit

31: Cover

311: Inside

312: Outside

313: Side

314: first connecting edge

315: second connecting edge

316: side panels

317: Holding area

32: Piercing

33: The first observation window

34: Second observation window

35: top fence

351: Exterior wall

40: hinge unit

41: Hub block group

411: The first pivot block

412: The second pivot block

42: pivot

50: Locking unit

51: Clamp seat

511: clamping surface

512: card noodle

513: the first connection surface

514: Second connection surface

515: third connection surface

516: Grooving

517: Stop

518: the first card slot

519: Second snap slot

52: Activity Block

521: Interposed block

522: Lock block

523: Operation block

524: Frame

525: snap block

53: Fixed seat

531: Lock slot

60: closed leakproof room

70: mobile sign

80: gap

3: Inspection test paper

4: Tester

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is an exploded perspective view of a conventional test strip device; 2 is an exploded perspective view of an embodiment of the test strip device of the present invention; 3 is a partial exploded perspective view of the embodiment, illustrating a top cover unit and a movable seat; 4 is another partially exploded perspective view of the embodiment, illustrating the top cover unit and the movable seat viewed from another angle; 5 is a combined perspective view of the embodiment, illustrating that the top cover unit is located in an open position relative to a base unit; 6 is a cross-sectional view taken from the VI-VI line in FIG. 5, showing the matching structure of the movable seat and the second clamp seat; 7 is a combined perspective view of the embodiment, illustrating that the top cover unit is located at a closed position relative to the base unit, and an insert block of the movable seat is located at an unlocked position relative to a slot of a fixed seat; 8 is a cross-sectional view taken from the line Ⅷ-Ⅷ in FIG. 7; 9 is a view similar to FIG. 7, illustrating that the insert block is inserted into the slot and is in a locking position; 10 is a cross-sectional view taken from line XX in FIG. 9; and FIG. 11 is a schematic view showing that the embodiment is applicable to a tester.

2: Inspection test piece device

32: Piercing

20: Base unit

33: The first observation window

21: seat body

34: Second observation window

211: Side wall

35: top fence

212: First connection wall

351: Exterior wall

213: Second connection wall

40: hinge unit

22: First Inspection Department

41: Hub block group

221: boss

411: The first pivot block

23: Second Inspection Department

412: The second pivot block

231: Groove

42: pivot

24: bottom wall

50: Locking unit

241: Inner wall

51: Clamp seat

30: Top cover unit

52: Activity Block

31: Cover

521: Interposed block

311: Inside

522: Lock block

313: Side

524: Frame

314: first connecting edge

525: snap block

315: second connecting edge

53: Fixed seat

316: side panels

531: Lock slot

317: Holding area

3: Inspection test paper

Claims (11)

An inspection test piece device includes: a base unit, including a base and a first inspection part provided on the base, the base has two side walls spaced apart from each other, and a first connecting wall connecting the two side walls 1. A second connecting wall; a top cover unit, including a cover body, a perforation, and a first observation window, the cover body has an inner surface facing the seat body, and an outer surface opposite to the inner surface, connected The two sides of the inner face and the outer face, and a first connecting edge and a second connecting edge connecting the inner face, the outer face and the two side edges, the perforation communicates the inner face and the outer face of the cover, the The first observation window is disposed between the inner surface and the outer surface of the cover body and corresponds to the first inspection portion; a pivot unit includes a pivot block group and a pivot shaft, and the pivot block group is disposed on the seat body Between the first connecting wall and the first connecting edge of the cover body, the pivot shaft penetrates the pivot block group, and by the pivot joint unit, the top cover unit is in an open position relative to the base unit and Rotating between a closed position; and a locking unit, including two clip seats, a movable seat and a fixed seat, the two clip seats are disposed on the inner surface of the cover body and are respectively located between the two side edges and the perforation , The movable seat is installed on the cover and can move linearly along the two sides, the movable seat has a clamped block clamped by the two clamp bases, and a movable block is disposed on the clamped block and faces the first A locking block protruding from the connecting edge, and an operating block provided in the sandwiched block and located in the perforation, the fixing seat is provided on the seat body and has a locking groove open toward the second connecting wall; The top cover unit is located at the closed position relative to the base unit, the first observation window is located at the top of the first inspection portion, and the lock block of the movable seat is along The two side edges are aligned with the lock groove of the fixed seat and are located in an unlocked position. The movable seat is pushed toward the first connecting edge by applying force to the operating block, and the lock block of the movable seat is inserted into the fixed seat The locking slot is also in a locking position, so that the top cover unit and the base unit are locked with each other. The test piece device according to claim 1, wherein each clamping seat of the locking unit has a clamping surface extending along the side and close to the perforation, and extending along the side and opposite to the clamping A clamping surface of the mounting surface, a first connecting surface and a second connecting surface connecting the clamping surface and the clamping surface, a connecting the clamping surface, the clamping surface, the first connecting surface and the first The third connecting surface of the two connecting surfaces, and a notch extending along the side and connecting the first connecting surface, the second connecting surface and the third connecting surface. The test piece device according to claim 2, wherein each clamping seat of the locking unit further has a stopper extending from the third connecting surface away from the catching surface and protruding from the clamping surface . The test piece device according to claim 2 or 3, wherein each clamping seat of the locking unit further has a first locking groove and a second locking groove provided on the locking surface, the movable The seat also has a frame surrounding the sandwiched block and located outside the two clip seats, and a first latching groove or a second latch groove provided on the frame for the respective two clip seats Two locking blocks that are locked to each other, when the two locking blocks are locked to the second locking grooves of the two clamping seats, the locking block of the movable seat is located at the unlocked position, when the two locking blocks are locked In the first locking groove of the two clamping seats, the locking block of the movable seat is located at the locking position. The test sample device according to claim 2, wherein the base unit further includes a second test portion provided on the seat body, and the top cover unit further includes a A second observation window provided between the inner surface and the outer surface of the cover body and corresponding to the second inspection portion, when the top cover unit is at the closed position, the second observation window is located at the top of the second inspection portion . The test sample device according to claim 5, wherein the base unit further includes a bottom wall disposed on the base body and surrounding the first test part and the second test part, and the bottom wall With an inner wall surface. The test piece device according to claim 6, wherein the top cover unit further includes a top surrounding wall disposed on the inner surface of the cover body and surrounding the first observation window and the second observation window, and the The top wall has an outer wall surface, and when the top cover unit is in the closed position, the outer wall surface of the top wall abuts against the inner wall surface of the bottom wall, and the seat body, the bottom wall, and the inside of the cover body The surface and the top enclosure wall together define a closed leakproof chamber. The test piece device of claim 6, wherein the first test portion of the base unit has a boss, and the second test portion of the base unit has a groove. The test piece device of claim 8, wherein when the top cover unit is in the closed position, there is a gap between the first viewing window and the boss, and the gap is not less than 0.005 mm. The test sample device according to claim 6, wherein the volume of a sample that can be accommodated by the first test section and the second test section is 0.3 μl to 100 μl, and the volume of the sample that can be contained in the bottom wall It is 100μl~1000μl. The test piece device according to claim 2, wherein the cover of the top cover unit further has two side pieces respectively disposed on the two side edges, and respectively provided on the two side pieces and close to the second connecting edge Second grip area.

Images