CN202275054U - Medical detection analysis instrument - Google Patents

Abstract

The utility model provides a medical detection analyzer, comprising a main control device (10) and a test device (100), wherein the main control device (10) includes a power supply device (11), a control device, a detection result output device and a storage cavity (15), the test device (100) includes a stage (102) and a light source emitting and receiving device (103), the test device (100) is placed in the storage cavity (15) of the main control device, and the light source emitting and receiving device (103) Move closer to and away from the carrier in a direction approximately perpendicular to the moving direction of the carrier (102), and detect the color change parameters of the detection elements on the carrier (102), and then send the parameters to the control device , output the detection result after being processed by the control device. The utility model has an exquisite design and structure, and the test device can stably and accurately transport the carrier to the correct light source test position, and the test result is accurate.

Description

Medical Detection Analyzer

technical field

The utility model relates to a medical detection analyzer, in particular to an analyzer for detecting biochemical indicators of samples.

Background technique

With the advancement of science and technology, the bedside in vitro diagnostic test (POCT: Point of Care Testing) in the field of laboratory medicine came into being and developed rapidly. The "dip-and-read" dry chemistry method that appeared in the 1950s refers to adding liquid test samples directly to commercial dry reagent strips specially produced for different projects to test The moisture in the sample acts as a solvent to cause a specific chemical reaction, thereby performing a chemical analysis method. The biochemical dry test paper method has attracted people's attention because of its convenient portability, simple operation and fast determination speed, and it also plays an important role in on-site rapid detection. With the introduction of immune response and molecular biotechnology, the inspection field of medical dry test paper method has been expanded to the detection of blood sugar, pregnancy, blood coagulation state, myocardial injury, acid-base balance, infectious diseases, etc., as well as the monitoring of therapeutic drug concentration ( TMD), alcohol content detection, coagulation test, analysis of biochemical indicators in blood, infectious disease screening, hormone level during surgery, microchip DNA diagnosis and drug abuse detection, etc. Judging the test results of dry chemical test strips by visual inspection can only be used as a qualitative judgment. Human subjective factors have a great influence on the judgment of test results, which can easily cause misjudgment. Therefore, in order to make the interpretation of the rapid detection test paper more accurate, the corresponding miniaturized experimental instruments have been gradually developed. These testing instruments are more and more favored by clinical medical staff, patients and their families because of their simple operation, timely and accurate result reporting. And the data obtained by these testing instruments can also realize long-distance wireless transmission to the laboratory computer management system or electronic medical records.

U.S. Patent No. 4,780,283 discloses a dry chemical test paper analyzer. The analyzer includes a fixed detection light source and a hemispherical working platform loaded with test strips. Through the interaction between the springs, the hemispherical working platform is transported to the detection light source for detection. Because only the mechanical force between the springs is used, it not only requires a very precise control process in production, but also increases the production cost, and it is difficult to control the correct position between the reaction reagent strip and the detection light source by using the interaction of the springs , affecting the test results. The hemispherical structure increases the volume of the entire analytical instrument. On the other hand, the spring has a short service life and needs to be replaced regularly, which brings troubles to the users of the instrument.

U.S. Praxsys Biosystems Inc. has developed a rapid immunoassay system that can be used for qualitative and quantitative judgments. It is disclosed in U.S. Patent US6136610. The system consists of a detector and a matching test kit. The system uses a single channel, meaning only a single patient sample can be tested at a time. Since the detection instrument can only detect one indicator at a time, the detection efficiency is relatively low.

Chinese patent application 200910160639.5 discloses a multi-channel portable colloidal gold test paper rapid test device, which mainly includes: 4 independent detection channels, ARM data processor, keyboard and LCD part. The detection device of the invention can quickly and high-throughput complete various detection items. However, the four independent detection channels of the Chinese patent application are integrated with the entire detector, and the user of the instrument cannot change the test items at will by changing the detection channels.

Chinese patent application 200410052202.7 discloses a rapid diagnostic lateral flow analysis system and method. The detection system includes 1 main unit and 1 to 20 test modules, and is connected to the host computer through a USB or Bluetooth wireless receiver. The host computer passes software Control detector operation. This patent application also discloses that the main unit and the test module are designed to be relatively independent. When the main unit fails, all the test devices can be disassembled and reassembled with another main unit. The disassembly of the test module described in this patent application from the main unit is a very complicated process requiring the opening of many parts. On the other hand, the test module is not a closed structure. When samples or test reagents during the test are left in the disassembled test module, these residual samples or reagents will be exposed to the environment, which will not only pollute If it damages the surrounding environment, it will also pose a danger to the life safety of the operator.

Utility model content

In order to overcome the above-mentioned shortcomings in the prior art, one of the purposes of this utility model is to provide a testing device for medical testing.

1. A test device for medical inspection, characterized in that: it includes a base 101, a movable carrier 102 designed on the base 101 for transporting test elements and a movable light source emission and light source positioned above the carrier 102 The receiving device 103 and the carrier 102 can move back and forth on a preset track, the light source emitting and receiving device 103 can approach and stay away from the carrier 102, the moving track of the carrier 102 and the light source emitting and receiving device 103 or the extension line of the moving track Intersect each other in the same plane or orthographic projections in the same plane intersect each other.

2. The test device according to 1, characterized in that: when a certain fixed area on the carrier 102 is just at the front projection of the light source emitting and receiving device 103, the carrier 102 stops moving, and then the light source emitting and receiving device 103 approaches the fixed area on the stage 102 for detection, and then leaves the fixed area on the stage 102 after the detection is completed.

3. The test device according to 2, characterized in that the test device further comprises at least one bracket 104 fixedly designed on the base 101, and the light source emitting and receiving device 103 is designed on the bracket 104.

4. The test device according to 3, characterized in that the test device includes at least two motors to drive the stage 102 and the light source emitting and receiving device 103 respectively.

5. The testing device according to 4, wherein the electric motors are stepping motors 107, 130.

6. According to the test device described in 5, it is characterized in that: a rack plate 111 is fixed on the stage 102, a stepping motor 107 with a gear 108 is installed on the bracket, and the gear 108 on the stepping motor and The rack plate 111 on the stage 102 is meshed and connected to drive the stage 102 to move.

7. According to the test device described in 3, it is characterized in that: a left bracket 104 and a right bracket 105 are designed on the base 101, an upper bracket 106 is designed on the left bracket and the right bracket, and the light source emitting and receiving device 103 is designed on the upper bracket 106 .

8. The test device according to 1, wherein the light source emitting and receiving device 103 includes a light source emitting device 131, a light receiving device and an optocoupler switch 132 for controlling the movement of the light source emitting and receiving device.

9. The test device according to 8, characterized in that: the optical coupler switch 132 has a light emitting hole 133, and the light source emitting and receiving device has a shielding plate 134, and the shielding plate 134 has a shielding light emitting hole relative to the light emitting hole 133 133 and two positions away from the light-emitting hole 133.

10. The test device according to 9, characterized in that: during the downward operation of the light source transmitting and receiving device 103, when the shielding plate 134 is located above the light-emitting hole 133 of the optical coupler switch 132, the light path is unblocked at this time, and the power supply is always maintained state, the light source emitting device 131 continues to move downward under the rotation of the electric motor 130, and when the shielding plate 134 blocks the light emitting hole 133 of the optical coupler switch 132, the light path is cut off, thereby closing the electric motor 130 of the light source emitting and receiving device 103 power supply, and turn on the light source emitting and receiving device 103 to analyze the sample.

11. The test device according to any one of 1-10, characterized in that: the base 101 is fixedly designed with a guide rail seat 112, and the stage 104 is fixedly designed with a guide rail 113, and the guide rail 113 and the guide rail seat 112 are slidably combined.

The second purpose of the utility model is to provide a medical detection analyzer.

12. A medical detection analyzer, characterized in that it includes a main control device 10 and at least one test device 100, wherein the main control device 10 includes a power supply device 11, a control device, a test result output device and no less than a test device number of storage chambers 15, the test device 100 includes a stage 102 for carrying detection elements and test samples and a light source emitting and receiving device 103 above the stage 102, the test device 100 is placed in the storage chamber 15 of the main control device It is inside and electrically connected with the power supply device 11 of the main control device, the control device and the test result output device. The control device controls the carrier 102 of the test device to move back and forth in a certain direction, and the light source transmitting and receiving device 103 moves in the same direction as the carrier 102. Move close to and away from the stage in a roughly vertical direction, and detect the color change parameters of the detection element placed on the stage 102, and then send the parameters to the control device, after being processed by the control device, the test result output device Output the detection result.

13. The medical detection analyzer according to 12, characterized in that the testing device 100 can be extracted and assembled into the main control device 10 repeatedly.

14. The medical testing analyzer according to 13, characterized in that a sliding rail structure is designed between the outer wall of the testing device 100 and the inner wall of the storage chamber 15 of the main control device 10 .

15. The medical detection analyzer according to 14, characterized in that the slide rail structure includes a guide rail 16 and a slider structure 120 arranged on the inner wall of the storage chamber 15 and the outer wall of the test device, and the slider structure 120 can be placed in the storage chamber. Slide in the guide rail 16 of 15.

16. The medical detection analyzer according to any one of 12-15, characterized in that it includes two or more test devices 100, each test device can detect the same or different parameters of the same type of test samples , can also detect the same or different parameters of different types of detection samples.

17. The medical detection analyzer according to 15, further comprising at least one reagent storage unit 18, and several detection components can be placed in the reagent storage unit 18.

18. The medical detection analyzer according to 17, characterized in that: the storage chamber 15 in the main control device 10 can selectively accommodate the test device 100 or the reagent storage unit 18, that is, the storage chamber 15 can not only accommodate the test device 100, A reagent storage unit 18 can also be accommodated.

19. The medical test analyzer according to any one of 12-15 and 17-18, wherein the test result output device includes a printer 14 and/or a display 13 .

20. The medical testing analyzer according to any one of 12-15 and 17-18, wherein the control device includes a touch screen display 13, which provides an operation interface.

21. The medical testing analyzer according to any one of 12-15 and 17-18, further comprising a locking device for locking or releasing the main control device 10 and the testing device 100.

22. The medical detection analyzer according to 21, characterized in that: the locking device includes three permanent magnetic blocks, wherein the first and second magnetic blocks are arranged on the casing of the main control device 10, and the third magnetic block Fixed on the casing of the test device 100, when the test device is fully accommodated in the storage cavity 15 of the main control device, the three magnetic blocks are basically arranged in a straight line, and the second magnetic block is located between the first and third magnetic blocks , the opposite magnetic poles of the second and third magnetic blocks are opposite (for example, one is S pole and the other is N pole), and the opposite magnetic poles of the first magnetic block and the second magnetic block are the same (for example, all are N pole or S pole), the first magnetic block can move along the line connecting the three magnetic blocks with the test device (100).

The third purpose of the utility model is to provide a biochemical analyzer.

23. A biochemical analyzer, characterized in that it includes a main control device 10 and at least one test device 100, the main control device 10 includes at least one storage cavity 15, the test device 100 is accommodated in the storage cavity 15, and stored A guide rail 16 is designed in the cavity 15, and the test device 100 is designed with a slider structure, which can slide in the guide rail 16 of the storage cavity 15, thereby smoothly removing the test device 100 from the storage cavity 15 or moving the test device 100 is assembled into the storage chamber 15.

24. The biochemical analyzer according to 23, characterized in that guide rails 16 are designed on both side walls of the storage cavity 15, or guide rails 17 are designed on the bottom of the storage cavity, or both side walls and bottom of the storage cavity Designed with rails.

25. The biochemical analyzer according to 24, characterized in that: the slider structure includes a slider seat 120 designed on the side of the test device base 101, and a slider 121 is arranged in the slider seat 120, the The slider 121 can slide in the guide rail 16 of the storage cavity 15 .

26. The biochemical analyzer according to 24, characterized in that: the slider structure includes a slider seat 120 designed on the bottom of the testing device base 101, and a slider 121 is arranged in the slider seat 120, and the slider The block 121 can move within the guide rail 17 of the storage chamber 15 .

27. The biochemical analyzer according to 23, characterized in that it includes two or more testing devices 100 and storage chambers 15 whose number is not less than the number of testing devices.

28. The biochemical analyzer according to 27, wherein the testing devices 100 work independently of each other.

29. The biochemical analyzer according to 23, further comprising at least one reagent storage unit 18, at least one storage cavity 15 is used to store the reagent storage unit 18, and the remaining storage cavities are used to store the testing device 100.

30. The biochemical analyzer according to 29, characterized in that: there is a reagent storage rack 19 in the reagent storage unit.

31. The biochemical analyzer according to any one of 23 to 30, characterized in that: the testing device 100 or the reagent storage rack 19 and the main control device 10 are engaged with each other through a magnetic block locking structure.

32. The biochemical analyzer according to 31, characterized in that: the magnetic block locking structure includes three permanent magnetic blocks, wherein the first magnetic block 151 and the second magnetic block 152 are placed on the main control device 10 Shell, the third magnetic block 153 is fixed on the shell of the test device 100, when the test device is fully accommodated in the storage cavity 15 of the main control device, the three magnetic blocks are basically arranged in a straight line, and the second magnetic block 152 is located at the first Between the first magnetic block 151 and the third magnetic block 153, the relative two poles of the second magnetic block 152 and the third magnetic block 153 are magnetically opposite (for example, one is an S pole and the other is an N pole), and the first magnetic block The two poles opposite to the second magnetic block 151 and the second magnetic block 152 have the same magnetic properties (for example, all are N poles or S poles), and the first magnetic block 151 can move along the line connecting the three magnetic blocks.

33. The biochemical analyzer according to 32, characterized in that: the first magnetic block 151 is designed on the rear baffle plate 126 of the testing device, and the second magnetic block 152 is designed in the main control device 10 and on the back cover of the main control device Two supporting frames 154 are designed, and the third magnetic block 153 is connected with the supporting frames 154 through a spring piece 155 .

34. The biochemical analyzer according to 23, characterized in that: the main control device 10 also includes a main power supply 11, a main switch 12, an operation panel 13 and a printer 14, and the main switch 12, the operation panel 13 and the printer 14 are connected with the main power supply 11 electrical connection.

35. The biochemical analyzer according to 23, wherein the main control device 10 further includes a USB interface 19, a fan 20 and a main power inlet 21.

36. The biochemical analyzer according to 23, characterized in that the test device 100 includes a base 101, a stage 102 designed on the base 101 to transport test strips, and a light source emitting and receiving device located above the stage 102 103, at least one bracket is fixedly designed on the base 101, the light source emitting and receiving device 103 is designed on the bracket, and a rack plate 111 is fixedly designed on at least one side of the stage 102, on the bracket A stepping motor 107 is designed, and the gear 108 on the stepping motor is meshed with the rack plate 111 on the stage 102. The stepping motor drives the gear to rotate, and the gear drives the stage to move in the test device.

37. The biochemical analyzer according to 36, characterized in that: the light source emitting and receiving device 103 includes a motor 130 for driving the light source emitting device 131 to move up and down, a light source emitting device 131, a light receiving device and a control light source emitting and receiving device The optocoupler switch 132 of the moving position.

38. The biochemical analyzer according to 23, wherein the main control device 10 is in electrical communication with the testing device 100 .

39. The biochemical analyzer according to 38, wherein the main control device 10 is connected to the test device 100 through the power connector 140 .

The fourth purpose of the utility model is to provide another biochemical analyzer.

40. A biochemical analyzer, comprising a main control device 10 and a test device 100 electrically connected to the main control device 10, characterized in that the main control device 10 includes a power supply device 11 and a control device, and the test device 100 includes a movable load The platform 102 and the light source emitting and receiving device 103 located above the platform and can move close to and away from the platform.

41. The biochemical analyzer according to 40, wherein the control device includes an operation panel 13 connected to the casing of the main control device 10 by a hinge, and the operation panel 13 can be turned over 0-180 degrees around the hinge.

42. The biochemical analyzer according to 41, characterized in that: the operation interface of the operation panel 13 is downward, and when the operation panel 13 is turned over 90-180 degrees on the hinge as the rotation axis, the operation panel 13 is in the open state.

43. The biochemical analyzer according to 41, characterized in that: the operation interface of the operation panel 13 is upward, and when the operation panel 13 is turned over 0-90 degrees on the hinge as the rotation axis, the operation panel 13 is in the open state.

44. The biochemical analyzer according to 43, characterized in that: the operation panel 13 is provided with a bracket 24, and the two ends of the bracket 24 respectively abut against the operation panel 13 and the shell of the main control device 10, so that the operation panel 13 and the main control device The shell of 10 maintains an included angle between 0-90 degrees.

45. The biochemical analyzer according to any one of 40-44, wherein the operation panel 13 is an LCD or LED display panel.

46. The biochemical analyzer according to 45, wherein the operation panel 13 is a touch-screen LCD or LED display panel capable of touch-screen operation.

47. The biochemical analyzer according to any one of 40-44, characterized in that: the main control device 10 is provided with a storage chamber 15, and the testing device 100 is inserted into or drawn out of the storage chamber in the form of a drawer.

48. The biochemical analyzer according to 47, characterized in that: the inner wall of the storage chamber 15 and the outer wall of the testing device 100 are provided with sliding rail devices that cooperate with each other.

49. The biochemical analyzer according to 48, wherein the slide rail structure includes a guide rail 16 and a slider structure 120, and the slider structure can move on the guide rail.

The fifth purpose of the utility model is to provide a magnetic block locking structure.

50. A magnetic locking structure, including at least three permanent magnetic blocks, wherein the first magnetic block 151 is fixed on the first device, the second magnetic block 152 is fixed on the second device, and the third magnetic block 153 can be Moveably arranged on the second device, when the first and second devices are in a position close to each other, the three magnetic blocks are basically arranged in a straight line, and the second magnetic block 152 is located between the first magnetic block 151 and the third magnetic block 153 Between them, the opposite magnetic poles of the second magnetic block 152 and the third magnetic block 153 are the same (for example, all are N poles or S poles), and the opposite magnetic poles of the first magnetic block 151 and the second magnetic block 152 are different. (For example, one is an S pole and the other is an N pole), and the third magnetic block 153 can move along the line connecting the three magnetic blocks.

51. The magnetic block lock structure according to 50, characterized in that: the second device is designed with two brackets 154 and a spring piece 155 whose two ends are movably connected to the brackets 154, and the third magnetic block 153 and the spring piece 155 fixed connections.

52. The magnetic block locking structure according to 50, characterized in that: the second device is designed with two sliding rods 156 and a sliding rod buckle 157 sleeved on the sliding rods 156, and the third magnetic block 153 can pass through the sliding rods Buckle 157 slides on slide bar 156 .

53. The magnetic block locking structure according to 50, characterized in that: the second device is designed with two springs 158, and the third magnetic block 153 is connected to the springs 158 through a spring buckle 159.

The sixth purpose of the present utility model is to provide a method for interlocking and separating two devices using a magnetic block locking structure.

54. A method for interlocking and separating two devices using a magnetic block locking structure, the magnetic block locking structure comprising at least three permanent magnetic blocks, wherein the first magnetic block 151 is fixed on the first device , the second magnetic block 152 is fixed on the second device, and the third magnetic block 153 is movably arranged on the second device. When the first and second devices are in positions close to each other, the three magnetic blocks are basically arranged in a line Straight line, the second magnetic block 152 is located between the first magnetic block 151 and the third magnetic block 153, and the opposite poles of the second magnetic block 152 and the third magnetic block 153 have the same magnetic properties (for example, all are N poles or S poles) The two poles of the first magnetic block 151 and the second magnetic block 152 are magnetically different (for example, one is an S pole and the other is an N pole), and the third magnetic block 153 can move along the line connecting the three magnetic blocks, so The above method includes the following steps: 1) Bring the first device on which the first magnetic block 151 is fixed close to the second device on which the second magnetic block 152 is fixed, and make the third magnetic block 153 and the The second magnetic block 152 is kept far enough away, the first magnetic block 151 and the second magnetic block 152 are attracted together by magnetic force, thereby locking the first device and the second device with each other; 2) pushing the third magnetic block 153 toward The second magnetic block 152 is close, and the mutual repulsion between the third magnetic block 153 and the second magnetic block 152 and the first magnetic block 151 weakens the magnetic attraction force between the first magnetic block 151 and the second magnetic block 153, thereby The first device and the second device are separated from each other.

The seventh purpose of the utility model is to provide a biochemical analyzer with a magnetic block locking structure.

55. A biochemical analyzer with a magnetic block lock structure, including a main control device 10 and a test device 100, the main control device 10 is provided with a storage cavity 15, and the test device 100 is accommodated in the storage cavity 15, characterized in that : The magnetic block locking structure includes at least three permanent magnetic blocks, wherein the first magnetic block 151 is fixed on the test device 100, the second magnetic block 152 is fixed on the main control device 10, and the third magnetic block 153 is movable Placed on the main control device 10, when the main control device 10 and the test device 100 are in a position close to each other, the three magnetic blocks are basically arranged in a straight line, and the second magnetic block 152 is located between the first magnetic block 151 and the third magnetic block. Between the blocks 153, the opposite magnetic poles of the second magnetic block 152 and the third magnetic block 153 are the same (for example, all are N poles or S poles), and the opposite magnetic poles of the first magnetic block 151 and the second magnetic block 152 are Different (for example, one is S pole and the other is N pole), the third magnetic block 153 can move along the line connecting the three magnetic blocks.

56. The biochemical analyzer according to 55, characterized in that: two supporting frames 154 are designed on the main control device 10.) The third magnetic block 153 is connected to the supporting frame 154 through a spring piece 155.

57. The biochemical analyzer according to 55, characterized in that: the main control device 10 is designed with two slide bars 156, and the third magnetic block 153 can slide on the slide bars 156 through the slide bar buckle 157.

58. The biochemical analyzer according to 55, characterized in that two springs 158 are designed on the main control device 10, and the third magnetic block 153 interferes with the springs 158 through a spring buckle 159.

The eighth purpose of the utility model is to provide a test method for measuring parameters of biological samples using a biochemical analyzer.

59. A test method for measuring biological sample parameters using a biochemical analyzer, characterized in that it includes the following steps: 1) Turn on the power, start the biochemical analyzer and enter the power-on self-test step; 2) After the power-on self-test passes, biochemical analysis The instrument enters the preheating step; 3) When the test temperature of the biochemical analyzer meets the preset temperature conditions, it prompts to put in the test element and the test sample; 4) The biochemical analyzer starts the test; 5) After the test is completed, output the test result ;6) Prompt to take out the used test element and test sample; 7) Prompt whether the test is over; 8) If the selection is not finished, prompt to put in a new test element and test sample, and then repeat steps 4)-6);9 ) If you choose to end, then shut down and end the test.

60. The test method according to 59, characterized in that: the biochemical analyzer includes a main control device 10 and at least one test device 100, and the power-on self-inspection step includes checking whether the status of each device is normal, and checking the status of the test device 100 quantity.

61. The test method according to 60, characterized in that: when the number of test devices 100 is equal to or greater than two, after the step of passing the power-on self-check and before the preheating step, it also includes selecting which device or devices to test The device 100 performs the steps of testing.

62. The testing method according to 61, characterized in that: after the step of selecting the testing device 100 for testing or after the preheating step, it also includes the step of selecting the type of test to be performed by the selected testing device 100 step.

63. The test method according to 61, characterized in that: after the test element and test sample are put in and before the analyzer starts the test, it also includes the step of automatically judging the type of test to be performed by the selected test device 100 .

64. The test method according to 63, characterized in that: the test component is attached with marked information of the test type, and the biochemical analyzer automatically judges the test type after reading the marked information on the test component.

65. The test method according to 64, characterized in that: after each test device 100 completes the test, the biochemical analyzer prompts whether the test is over, if it is selected to end, then close the test device 100 of this station, if no selection is made, Then, the test device 100 of this station is turned off after being idle for a predetermined time.

66. The test method according to 65, wherein the biochemical analyzer is turned off when all the test devices 100 are turned off.

67. The test method according to 59, characterized in that: guide rails are provided between the main control device 10 of the biochemical analyzer and at least one test device 100, and at least one test device 100 can slide in the main control device 10.

68. The test method according to 67, characterized in that: the biochemical analyzer also includes a reagent storage unit 18 whose outline and size are the same as or similar to those of the test device 100, and the main control device 10 is equipped with the same profile and size as the test device. 100 is a storage cavity 15 that matches the reagent storage unit 18, and the storage cavity can selectively accommodate the test device 100 or the reagent storage unit 18, that is, the storage cavity 15 can not only accommodate the test device 100, but also accommodate the reagent storage unit 18.

69. The testing method according to 68, wherein a guide rail is provided between the reagent storage unit 18 and the main control device 10.

Due to the above-mentioned technical scheme, the utility model brings the following beneficial effects:

In the testing device, the sliding block on the testing device moves and fits in the guide rail of the main control device, so that the testing device can be installed on the main control device or disassembled from the main control device. This operation process is simple and convenient.

Since the reagent storage unit can also be accommodated in the storage cavity, the operator can put the required reagents in the reagent rack of the reagent storage unit in advance, and can easily take out the required reagents from the reagent storage rack during detection. If a certain type of test device is used for a long time, its corresponding reagent storage unit can also be stored in the main control device for a long time, forming a one-to-one relationship with the test device to prevent misuse of reagents. The reagent storage unit is stored in the main control device, so that the operating table will not be full of reagent bottles, preventing dangerous events such as reagent bottle overturning.

The magnetic block locking structure described in the utility model utilizes the principle of magnetic blocks of the same sex attracting each other and opposite sexes repelling each other, and effectively realizes the assembly between the testing device and the main control device. The magnetic block locking structure described in the utility model does not require the operator to use a lot of strength, nor does the operator need to dismantle many screws and nuts, etc., and the whole process is very simple and convenient.

The utility model uses the stepper motor to drive the gear to drive the rack plate on the carrier to run, thereby driving the movement of the test paper carrier, which not only improves the test speed, but also the continuous and stable driving effect of the stepper motor can be stable and stable. Precisely transport the carrier to the correct position.

The lower part of the stage is designed with a guide rail to cooperate with the guide rail seat on the base, so that the stage can move smoothly in the test device and reduce the interference of noise.

The baffle plate of the utility model not only protects the test strip carrier and the light source emitting and receiving device in the test device well, but also protects the carrier platform and the light source emitting and receiving device from external impacts and prevents dust pollution. At the same time, when the test device is stored separately, since the test device is a closed structure, when samples or test reagents during the test are retained in the disassembled test device, the remaining reagents or samples on the carrier will not be exposed. In the external environment, prevent pollution to the surrounding environment and operators.

The biochemical analyzer of the present invention also includes a support structure for supporting the operation panel. Since the operation panel is erected, there is a support behind it, and the operation panel will not collapse backwards when the operator uses the keys on the panel.

Description of drawings

Figure 1 Schematic diagram of biochemical analyzer;

Figure 2 Schematic diagram of the open state of the operation panel of the biochemical analyzer;

Figure 3 is a schematic diagram of a state in which a test device in the biochemical analyzer is drawn out;

Figure 4 Schematic diagram of the reagent storage unit in the biochemical analyzer;

Figure 5 Schematic diagram of the rear structure of the biochemical analyzer and testing device;

Figure 6 is a schematic diagram of the second design in which the operation panel of the biochemical analyzer is supported by a bracket;

Figure 7 Schematic diagram of the internal structure of the test device of the biochemical analyzer;

Figure 8 is a cross-sectional view of the test device of the biochemical analyzer along the line A-A;

Figure 9 is a schematic diagram of opening the test device door of the test device of the biochemical analyzer;

Fig. 10 is a schematic diagram of mutual attraction between the first magnetic block and the second magnetic block in the first magnetic block locking structure;

Fig. 11 is a schematic diagram showing that the first magnetic block and the second magnetic block are separated from each other in the first magnetic block locking structure;

Figure 12 Schematic diagram of the structure of the second magnetic block lock;

Figure 13 Schematic diagram of the structure of the third magnetic block lock;

Figure 14 Flow chart of biochemical analyzer test.

Detailed ways

Below in conjunction with specific accompanying drawing, the utility model is described in detail. These specific embodiments are only limited enumerations without violating the spirit of the utility model, and do not exclude other specific implementations produced by those skilled in the art by combining the prior art with the utility model.

As shown in Figure 1, the biochemical analyzer 1 described in the utility model includes a main control device 10 and one or more independent test devices 100, the main control device 10 and the test device 100 are connected by an electrical connector 140 and a wire . Each test device 100 can independently complete the testing items according to the instructions transmitted by the main control device 10 and transmit the test results to the main control device 10 for output. Each test device 100 is designed to be relatively independent, and the test device 100 can be freely and repeatedly disassembled from the main control device 10 .

As shown in FIGS. 1 to 6 , the casing of the main control device 10 includes a main power supply 11 (to supply power to various parts of the biochemical analyzer after being connected to external commercial power). The main control device 10 also includes a main switch 12 of the analyzer, an operation panel 13 and a printer 14 . The main switch 12 , the operation panel 13 and the printer 14 are respectively electrically connected to the main power supply 11 . The operation panel 13 is a touch display screen, which can not only display the interface of the detection process and the detection result, but also facilitate the operator to touch the screen for operation.

One or more storage chambers 15 substantially equivalent in size to the testing device 100 are arranged side by side in the casing of the main control device 10 . In order to enable the test device to be quickly and smoothly pushed into the storage cavity 15 of the main control device, at least two side walls of the storage cavity 15 are respectively designed with guide rails 16, or a guide rail 17 is designed at the bottom of the storage cavity 15, or a guide rail 17 is designed at the bottom of the storage cavity 15. Both side walls and the bottom of the chamber are designed with guide rails. The rails cooperate with sliders or pulleys (not shown) on the testing device. When the test device is assembled to or disassembled from the main control device, the slide block or pulley on the test device slides in the guide rail to guide the test device into the storage cavity of the main control device or leave the storage cavity 15 .

As shown in Figure 4, a reagent storage unit 18 having a size and shape substantially equivalent to that of the test device 100 can also be placed in the storage cavity 15, and one or more reagent storage racks 19 can be arranged in the reagent storage unit 18, It is used to store test elements for testing, and the test elements can be test reagents or reagent buckets. The advantage of this design is that, according to actual needs, the storage chamber 15 in the main control device 10 can be equipped with the test device 100 in all, or part of the test device 100, and the other reagent storage unit 18, so that the design is more flexible. The biochemical analyzer 1 shown in FIG. 4 includes a main control device 10 , two testing devices 100 and a reagent storage unit 18 . As more modified embodiments, the biochemical analyzer 1 may include one main control device 10, one to ten, or even more than ten test devices 100, and one to ten, or even more than ten reagent storage units 18, and the test devices 100 and the number of storage units 18 can be freely combined as required. The operator can place the reagents needed for detection in the reagent storage rack 19 in advance. When testing, the operator can conveniently take out the corresponding reaction reagent from the reagent storage unit of the analyzer. If the test device is used for a long time, its corresponding reagent storage unit can also be stored in the main control device for a long time, forming a one-to-one relationship with the test device to prevent misuse of reagents. In addition, the reagents are classified and placed in the reagent storage unit, so that the operating table will not be full of reagent bottles, preventing dangerous events such as reagent bottle overturning.

The shell of the main control device 10 is equipped with a USB interface 26 , a fan 20 , a main power inlet 21 and the like. In order to keep the pushed test device 100 stably in the storage cavity 15 , the back cover of the main control device may further include a locking hole 22 at a position corresponding to each test device.

The operation panel 13 can be LCD, LED touch screen panel or some LCD and LED panels with keys. The operation panel 13 is connected to the main control device 10 through a hinge 23 , and may also be connected to the main control device 10 through a hinge (not shown) and a bracket 24 .

As shown in FIG. 7 to FIG. 9 , the testing device 100 includes a base 101 on which a platform 102 for transporting test strips is designed, and a light source emitting and receiving device 103 is located above the platform 102 . A left bracket 104 and a right bracket 105 are fixedly designed on the base 101, and the left and right brackets surround the stage 102 therein. The light source emitting and receiving device 103 is installed on the left and right brackets, or an upper bracket 106 is fixedly designed on the left and right brackets, and the light source emitting and receiving device 103 is installed on the upper bracket 106 . The carrier 102 can move back and forth on a preset track, the light source emitting and receiving device 103 can approach and stay away from the carrier 102, the moving track of the carrier 102 and the light source emitting and receiving device 103 or the extension line of the moving track are in the same plane Intersect each other or orthographic projections in the same plane intersect each other.

A stepping motor 107 is designed on at least one support 104 or 105, and a gear 108 is mounted on the stepping motor. The carrier 102 for transporting the test strips includes a tray 110 for carrying the test strips 109 . A rack plate 111 is fixedly formed on at least one side of the carrier 102 . The gear 108 meshes with the rack plate 111 on the platform 102 . When the stepping motor works, the drive gear is driven to rotate, and then the rack plate 111 is driven to run in a straight line, so that the stage connected to the rack plate is sent to or withdrawn from the test area. The precision of the stepping motor is relatively high, so when the gear drives the movement of the rack plate, it not only improves the speed of transporting the test paper, but also improves the stability and accuracy of the test.

The middle position of the base 101 is fixedly designed with a guide rail seat 112, which is used in conjunction with the guide rail 113 on the test strip carrier 102, and the carrier 102 can slide along the guide rail seat in the test device to transport the test strip to the test location or exit the test area. The guide rail 113 is designed on the lower part of the platform 102 .

There is a temperature control device 114 located below the test area of the test strip on the stage. When the temperature of the test environment does not meet the preset temperature range, the temperature control device will automatically adjust the temperature (such as heating), so that the temperature of the test environment meets the preset temperature range. The temperature control device includes a resistance heating device and transmits the temperature through a ceramic plate or a metal plate.

A slider seat 120 can also be placed on the left and right sides of the test device base 101 , and the slider seat 120 is fixed on the base 101 by bolts. The slider 121 is fixedly designed on the slider seat 120, and the slider 121 can slide freely in the guide rail 16 on the side wall of the storage cavity 15, thereby driving the whole test device to move in the storage cavity 15, and the test device is pushed into the storage cavity for preparation. The detection of the analyte is carried out, or it is removed from the storage chamber. The slide block seat with slide block can also be arranged on the bottom of the base, and is used in cooperation with the bottom guide rail 17 in the storage cavity. As a modified design, the slider seat 120 and the slider 121 can also be a whole, or a bar that matches the guide rail 16 .

In order to better protect the test carrier and the light source emitting and receiving device, baffles 122-126 can also be designed on the front, rear, left, and right sides of the test device 100, that is, the right baffle 122, the left baffle 123, the upper baffle 124, the front Fender 125 and tailgate 126 . A test device door 127 is designed on the front baffle 125, and the test device door 127 and the front baffle 125 can be connected by hinges. The tester door is closed when the tester is not in use or is being tested. When the test strip carrier in the testing device needs to transport the test strips, the door of the testing device is opened, which is convenient for the operator to store or take out the test strips. The baffle can well protect the test strip carrier and the light source emitting and receiving device in the test device, so that the carrier platform and the light source emitting and receiving device can be prevented from being impacted by external force and can prevent dust pollution. At the same time, when the test device is completely taken out, the remaining reagents or samples on the stage will not be exposed to the external environment, preventing environmental pollution.

The light source emitting and receiving device 103 includes an electric motor 130 (preferably a stepping motor) that drives the light source emitting and receiving device to move up and down, and a light source emitting device 131 . The light source transmitting and receiving device 103 also includes an optocoupler switch 132 for controlling the moving position of the light source device, and the optocoupler switch 132 is electrically connected with the electric motor 130 for controlling the operation and braking of the electric motor 130 . The optical coupler switch 132 has a light emitting hole 133 , and the light source emitting and receiving device has a shielding plate 134 . The shielding plate 134 has two positions relative to the light-emitting hole 133 : blocking the light-emitting hole 133 and away from the light-emitting hole 133 . When the light source transmitting and receiving device is running downwards, when the shading plate 134 is located above the light-emitting hole 133 of the optical coupler switch 132, the light path is unimpeded at this moment, the power supply is always kept in the power supply state, and the light source device continues to move downward under the rotation of the electric motor 130 . When the shading plate 134 blocks the light-emitting hole 133 of the optical coupler switch 132, the optical path is cut off, thereby turning off the power of the electric motor 130, the light source device no longer moves downward, and simultaneously turns on the sample detection light source 131 to detect and analyze the sample.

Each test device 100 can also include an independent microprocessor, which can execute programs including but not limited to, for example, controlling the light source emitting device, monitoring the movement position of the tray, testing the ambient temperature and heating of the heating plate, and transmitting them to the outside world through the data transmission interface. data.

The test device 100 may also include a power interface and a data transmission interface, so as to supply power to the test device and transmit test results. The test device 100 can also use an integrated electrical connector 140 . The electrical connector is a device that integrates a power interface and a data transmission interface, which allows the testing device to have more space for storing other accessories, reduces production procedures, and improves production efficiency. The test device is connected to the main control device through an electrical connector, and receives power from the main control device to the test device, or transmits data to the data output device of the main control device. The electrical connectors of the test device can also be connected to other data output devices.

The detection light source used on each test device can be the same or different. When the detection light source adopted by multiple test devices is the same, the detection speed and efficiency can be improved. If the detection light sources used by the test devices are different from each other, each test device can measure the same or different biochemical parameters of the same or different samples, so as to realize one machine with multiple functions. Any other combination of master control device and test device is suitable.

In order to ensure that the test device is well fixed on the main control device, a locking structure for fixing the test device to the main control device can be provided on the test device and the main control device. The lock structure may be a threaded lock (such as a bolt and a nut, a screw and a threaded hole), a snap lock or a magnetic block lock. The structure of the magnetic block lock, as shown in FIGS. 10 to 13 , includes at least three magnetic blocks, a first magnetic block 151 , a second magnetic block 152 and a third magnetic block 153 . The first magnetic block 151 is designed on the first device, and the second magnetic block 152 and the third magnetic block 153 are designed on the second device. The magnetic properties of the two opposing surfaces of the first magnetic block 151 and the second magnetic block 152 are different (respectively S pole and N pole), and the magnetic properties of the two opposing surfaces of the second magnetic block 152 and the third magnet 153 are the same (same as as S pole or both as N pole). The projections of the first magnetic block 151 , the second magnetic block 152 and the third magnetic block 153 in a direction perpendicular to their facing surfaces are substantially overlapped. If two devices are to be interlocked, the first device with the first magnetic block 151 is pushed towards the second device with the second magnetic block 152, and the first device and the second device are finally attracted by magnetic force Together, at this time, the third magnetic block 153 is far away from the second magnetic block 152 . If the two devices are to be separated from each other, the third magnetic block 153 is pushed towards the second magnetic block 152 to approach, and the mutual repulsion between the third magnetic block 153, the second magnetic block 152 and the first magnetic block 151 is utilized. , which weakens the magnetic attraction force between the first magnetic block 151 and the second magnetic block 153 , so that the first device and the second device are separated from each other.

In the embodiment of the biochemical analyzer of the present invention as shown in FIGS. 10 to 11 , the first magnetic block 151 is designed on the rear baffle 126 of the testing device 100 . The second magnetic block 152 is fitted into the locking hole 22 of the main control device 10 . Two support frames 154 are designed on the rear cover of the main control device, and the support frames 154 are respectively designed on both sides of the lock hole. The third magnetic block 153 is connected to the supporting frame 154 through the spring piece 155 . The magnetic properties of the two opposite surfaces of the first magnetic block 151 and the second magnetic block 152 are different (S pole and N pole respectively), and the magnetic properties of the two opposite surfaces of the second magnetic block 152 and the third magnetic block 153 are the same ( Both are S poles or both are N poles). What Fig. 10 shows is the state in which the test device 100 is pushed into the storage cavity 15 of the main control device 10. At this moment, the first magnetic block 151 and the second magnetic block 152 attract each other because of the opposite sex of the magnets, and this magnetic attraction makes The test device is firmly attached to the main control unit without slipping out of the main control unit. As shown in Figure 11, when the test device 100 needs to be drawn out, the third magnetic block 153 is pushed toward the second magnetic block direction, because the polarities of the two opposite faces of the second magnetic block 152 and the third magnetic block 153 are the same and the polarities of the opposite faces of the third magnetic block 153 and the first magnetic block 151 are also the same. According to the principle of the same-sex repulsion of magnets, the third magnetic block 153 has the same polarity for the first magnetic block and the second magnetic block. A repulsive effect weakens the magnetic attraction force between the first magnetic block 151 and the second magnetic block 152 . As the third magnetic block 153 approaches, this repulsive force will basically cancel the magnetic attraction force between the first magnetic block 151 and the second magnetic block 152 . Therefore, the test device 100 can be easily drawn out from the storage chamber of the main control device.

FIG. 12 is another embodiment of the locking structure of the magnetic block. The third magnetic block 153 can slide on the sliding bar 156 through the sliding bar buckle 157 . FIG. 13 is another embodiment of the locking structure of the magnetic block. The third magnetic block 153 is in conflict with the spring 158 through the spring buckle 159, and the spring is compressed and stretched by the third magnetic block.

The test flow between the main control device and the test device is shown in Figure 14. The working process is as follows: first turn on the power, the biochemical analyzer starts and enters the power-on self-inspection program. After the power-on self-inspection is completed, it enters the preheating program. Waiting for the test state, the operator selects the test device that needs to be tested, puts in the test strip, the analyzer starts the test, after the test, outputs the test result, and takes out the test strip. If the detection of the next sample is to be carried out, a new test strip is put in again to start a new round of determination. If all samples have been tested, then shut down.

Claims (10)

1. A medical detection analyzer, characterized in that it includes a main control device (10) and at least one test device (100), wherein the main control device (10) includes a power supply device (11), a control device, and a test result An output device and a storage chamber (15) with no less than the number of test devices. The test device (100) includes a stage (102) for carrying detection elements and test samples and a light source emitting and receiving light source above the stage (102). The device (103), the test device (100) is placed in the storage chamber (15) of the main control device and is electrically connected with the power supply device (11), the control device and the test result output device of the main control device, and the control device controls the test device The carrier (102) moves back and forth in a certain direction, and the light source emitting and receiving device (103) moves close to and away from the carrier in a direction roughly perpendicular to the moving direction of the carrier (102), and detects the (102) detects the color change parameter of the element, and then sends the parameter to the control device, and outputs the detection result through the detection result output device after being processed by the control device. 2. The medical testing analyzer according to claim 1, characterized in that the testing device (100) can be drawn out and assembled into the main control device (10) repeatedly many times. 3. The medical detection analyzer according to claim 2, characterized in that a slide rail structure is designed between the outer wall of the test device (100) and the inner wall of the storage cavity (15) of the main control device (10). 4. The medical detection analyzer according to claim 3, characterized in that: the slide rail structure includes a guide rail (16) and a slider structure (120) arranged on the inner wall of the storage chamber (15) and the outer wall of the testing device, the The slider structure (120) can slide in the guide rail (16) of the storage chamber (15). 5. The medical testing analyzer according to any one of claims 1-4, characterized in that it includes two or more testing devices (100), and each testing device can detect the same Or different parameters, the same or different parameters of different types of detection samples can also be detected. 6. The medical detection analyzer according to claim 4, characterized in that it further comprises at least one reagent storage unit (18), and several detection elements can be placed in the reagent storage unit (18). 7. The medical detection analyzer according to claim 6, characterized in that: the storage cavity (15) in the main control device (10) can selectively accommodate the testing device (100) or the reagent storage unit (18). 8. The medical detection analyzer according to any one of claims 1-4 and 6-7, wherein the control device comprises a touch screen display (13), and the touch screen display (13) provides an operation interface. 9. The medical detection analyzer according to any one of claims 1-4 and 6-7, characterized in that it also includes a lock for locking or releasing the main control device (10) and the test device (100) device. 10. The medical detection analyzer according to claim 9, characterized in that: the locking device includes three permanent magnetic blocks, wherein the first and second magnetic blocks are arranged on the shell of the main control device (10), The third magnetic block is fixed on the casing of the test device (100). When the test device is fully accommodated in the storage cavity (15) of the main control device, the three magnetic blocks are basically arranged in a straight line, and the second magnetic block is located at the first Between the first and third magnetic blocks, the opposite magnetic poles of the second and third magnetic blocks are opposite, and the opposite magnetic poles of the first magnetic block and the second magnetic block are the same. The first magnetic block can be used with the test device ( 100) Move along the line connecting the three magnets.

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