A thromboelastogram detection module and detection method thereof

Abstract

The present invention relates to a thrombelastogram detection module and a detection method. The module includes a swinging component that drives a reaction cup to swing, a detection head component, and a lifting component that drives the detection head component to move up and down; the detection head component includes a detection head, a suspension wire that suspends the detection head, and an angle sensor that detects the swinging angle of the detection head; the thrombelastogram detection module also includes a locking component that locks and unlocks the swingable state of the detection head; by applying the method of the present application, in conjunction with a robotic arm, the reaction cup can be automatically loaded and unloaded, which greatly improves the degree of automation, and the overall structure is reasonable and very compact, with a small size, high detection efficiency, good reliability, and low cost.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and more particularly to a thromboelastogram detection module and a detection method thereof. Background Art

[0002] Thromboelastography instruments are used to test various thromboelastography items and are a commonly used medical device. The thromboelastography instruments currently used have multiple nodes that require human participation during testing, especially the opening of the reaction cup, which makes automated testing difficult to achieve. At the same time, the existing equipment is large in size, has low reliability, complex structure and high cost. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a thromboelastogram detection module and a thromboelastogram detection module detection method in response to the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A thrombelastogram detection module is constructed, which includes a swinging assembly that drives a reaction cup to swing, a detection head assembly, and a lifting assembly that drives the detection head assembly to move up and down; the detection head assembly includes a detection head, a suspension wire that suspends the detection head, and an angle sensor that detects the swinging angle of the detection head; the thrombelastogram detection module also includes a locking assembly that locks and unlocks the swingable state of the detection head.

[0006] In the thromboelastogram detection module of the present invention, the swing assembly includes a cuvette rotating seat, a mounting seat for rotatably mounting the cuvette rotating seat, and a swing driving assembly for driving the cuvette rotating seat to rotate and swing.

[0007] In the thromboelastogram detection module of the present invention, the swing drive assembly includes a shift fork connected to the reaction cup rotating seat, a drive head plugged into the fork head of the shift fork, and a drive unit driving the drive head.

[0008] The thromboelastogram detection module of the present invention further includes a moving component that drives the mounting seat to move laterally toward or away from the driving head.

[0009] In the thromboelastogram detection module of the present invention, a temperature control unit for controlling the temperature of the reaction cup is provided on the reaction cup rotating seat.

[0010] The thromboelastogram detection module of the present invention further includes a reaction cup fork for stopping the cup cover of the reaction cup.

[0011] In the thromboelastogram detection module of the present invention, the detection head assembly further includes a mounting seat for mounting the suspension wire, and the mounting seat is driven to move up and down by the lifting assembly.

[0012] The thromboelastogram detection module described in the present invention, wherein the locking assembly includes a suspension wire locking seat and a pressing unit for pressing the detection head against the suspension wire locking seat; the suspension wire locking seat and the pressing unit are both arranged on the mounting seat.

[0013] The thromboelastogram detection module described in the present invention is characterized in that an opening is provided on the suspension wire locking seat for the detection head to pass through, and the tightening unit includes a rotating shaft provided on the inner wall of the opening, a tightening block longitudinally connected to the rotating shaft, and a pushing unit that pushes the tightening block to rotate around the rotating shaft; the movable end of the pushing unit acts on the tightening block through a buffer member.

[0014] A thromboelastogram detection module detection method, based on the above-mentioned thromboelastogram detection module, includes the following steps:

[0015] Step 1: The locking assembly locks the detection head in its swingable state, and the lifting assembly drives the detection head downward, passing through the lid of the reaction cup;

[0016] Step 2: The lifting assembly drives the detection head upward to a set height, so that the cup cover is separated from the cup body of the reaction cup. At this time, the lower end of the cup cover is still below the sample liquid level in the reaction cup;

[0017] Step 3: The locking component unlocks the swingable state of the detection head;

[0018] Step 4: The swing component drives the reaction cup to swing, the sample in the reaction cup begins to solidify, and the angle sensor outputs the detected detection head swing data.

[0019] In the thromboelastography detection module detection method of the present invention, in the fourth step, the swing assembly is composed of a cuvette rotating seat, a mounting seat for rotatably mounting the cuvette rotating seat, a shift fork connected to the cuvette rotating seat, a drive head pluggable with the fork of the shift fork, and a drive unit that drives the drive head; the mounting seat is connected to a moving assembly that drives it to move laterally toward or away from the drive head; and further includes a cuvette shift fork that stops the lid of the cuvette;

[0020] The first step also includes the method:

[0021] After loading the reaction cup onto the reaction cup rotating seat, the moving assembly drives the mounting seat to move until the reaction cup is directly under the detection head. At this time, the driving head is inserted into the fork of the shift fork;

[0022] The fourth step also includes the method:

[0023] After the detection is completed, the lifting assembly drives the detection head upward to reset. The cup cover of the reaction cup is blocked by the reaction cup fork and separated from the detection head and falls on the cup body of the reaction cup. The moving assembly drives the mounting base to move the reaction cup out of the detection position, and the driving head separates from the fork.

[0024] The beneficial effects of the present invention are: by applying the method of the present application, the swingable state of the detection head is locked by relying on the locking component, so that the automatic opening of the reaction cup can be realized, which greatly improves the degree of automation, and the overall structure is reasonable and very compact, with a small size, high detection efficiency, good reliability and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work.

[0026] Figure 1 This is a schematic structural diagram of a thromboelastogram detection module according to a preferred embodiment of the present invention;

[0027] Figure 2 This is a side view of a thromboelastography detection module according to a preferred embodiment of the present invention;

[0028] Figure 3 is a cross-sectional view of a thromboelastography detection module before detection in a preferred embodiment of the present invention;

[0029] Figure 4 is a cross-sectional view of the thromboelastography detection module in the detection state according to a preferred embodiment of the present invention;

[0030] Figure 5 This is the locked state of the thromboelastography detection module locking assembly of the preferred embodiment of the present invention;

[0031] Figure 6 This is the unlocked state of the locking assembly of the thromboelastography detection module of the preferred embodiment of the present invention;

[0032] Figure 7 This is a top view of the cooperation between the shift fork and the drive head of the thromboelastography detection module in a preferred embodiment of the present invention;

[0033] Figure 8 This is a flow chart of the thromboelastogram detection method of the preferred embodiment of the present invention. DETAILED DESCRIPTION

[0034] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the following will be a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work shall fall within the scope of protection of the present invention.

[0035] The thromboelastogram detection module of the preferred embodiment of the present invention is as follows: Figure 1 See also Figure 2-Figure 7 , including a swinging assembly 1 for driving the reaction cup to swing, a detection head assembly 2, and a lifting assembly 3 for driving the detection head assembly 2 to move up and down; the detection head assembly 2 includes a detection head 20, a suspension wire 21 for suspending the detection head 20, and an angle sensor 22 for detecting the swing angle of the detection head 20; the thromboelastography detection module also includes a locking assembly 4 for locking and unlocking the swingable state of the detection head 20;

[0036] By applying the method and approach of the present application, the locking assembly 4 is used to lock the swingable state of the detection head 20, thereby realizing the automatic opening of the reaction cup 5, thereby greatly improving the degree of automation. The overall structure is reasonable and very compact, with a small size, high detection efficiency, good reliability, and low cost.

[0037] More specifically, during operation, the locking component 4 locks the swingable state of the detection head 20, the lifting component 3 drives the detection head 20 downward, and the detection head 20 passes through the cup cover 50 of the reaction cup 5; the lifting component 3 drives the detection head 20 upward to a set height, so that the cup cover 50 is separated from the cup body 51 of the reaction cup 5, and at this time, the lower end of the cup cover 50 is still below the sample liquid level in the cup body 51 of the reaction cup 5; the locking component 4 unlocks the swingable state of the detection head 20; the swinging component 1 drives the reaction cup 5 to swing, and the sample in the reaction cup 5 reacts, and the angle sensor 22 outputs the detected detection head swing data, and the thromboelastogram is produced by the swing data.

[0038] It should be noted that, in addition to the structural forms described below, the swing assembly 1, the lifting assembly 3, and the locking assembly 4 of the present application may also adopt other existing structural forms. For example, the lifting assembly may be an electric cylinder, a linear motor, a screw rod with a motor, etc., and equivalent replacements of the above components based on the principles of the present application fall within the scope of protection of the present application.

[0039] It is particularly important to note that the locking assembly is not limited to a tight fit, but may also rely on a clamping force, an adsorption force, or other force to switch between the locked and unlocked states, all of which fall within the scope of protection of this application.

[0040] Preferably, the detection head 20 is configured in the shape of a cone to ensure the reliability of the operation of inserting the cup cover 50; of course, detection heads of other shapes can also be used, and simple replacement of the detection head shape falls within the scope of protection of this application.

[0041] Preferably, the swing assembly 1 includes a cuvette rotating seat 10, a mounting seat 11 for rotatably mounting the cuvette rotating seat 10, and a swing driving assembly 12 for driving the cuvette rotating seat 10 to rotate and swing; the structure is reasonable and compact, and the cost is low.

[0042] Preferably, the swing drive assembly 12 includes a shift fork 120 connected to the reaction cup rotating seat 10, a drive head 121 plugged into the fork of the shift fork 120, and a drive unit 122 that drives the drive head 121. Through the clutch cooperation of the shift fork 120 and the drive head 121, the reaction cup 5 can be placed first and then moved. During the movement, the shift fork 120 and the drive head 121 are plugged in, which facilitates the external cup loading operation.

[0043] It should be noted that the external cup loading operation can be performed by a robot or other equipment, or it can be performed manually;

[0044] Preferably, the drive head adopts a bearing, and the drive unit adopts an eccentric shaft motor. This implementation method can ensure a small volume and high swing accuracy; of course, other forms of swing drive methods can also be used, such as cylinders, linear motors as power for driving, etc.

[0045] Preferably, the thromboelastogram detection module further includes a moving assembly 6 for driving the mounting base 11 to move laterally toward or away from the driving head 121 ; the moving assembly 6 may be an existing structural device.

[0046] Preferably, the reaction cup rotating seat 10 is provided with a temperature control unit for controlling the temperature of the reaction cup, thereby ensuring that the reagents and samples react at a suitable temperature.

[0047] Preferably, the thromboelastogram detection module further includes a reaction cup fork 8 for stopping the cup cover of the reaction cup 5; after the test is completed, the lifting assembly drives the detection head to reset upward, and the cup cover of the reaction cup is blocked by the reaction cup fork and separated from the detection head and falls onto the cup body of the reaction cup;

[0048] Preferably, the detection head assembly 2 further includes a mounting seat 23 for mounting the suspension wire, and the mounting seat 23 is driven by the lifting assembly 3 to move up and down, so as to facilitate the assembly operation;

[0049] Preferably, the overall structure is further provided with a bracket 7, and the swing component 1, the moving component 6, the mounting seat 23, etc. are all arranged on the bracket 7 to ensure the integrity.

[0050] Preferably, the locking assembly 4 includes a suspension wire locking seat 40 and a pressing unit 41 that presses the detection head against the suspension wire locking seat 40; the suspension wire locking seat 40 and the pressing unit 41 are both arranged on the mounting seat 23; wherein, the pressing unit can adopt the pressing structure form as described below, or can adopt the existing pressing structure, of course, it can also be replaced with the above-mentioned adsorption effect member, clamping effect member, etc., and simple replacement methods based on this principle all fall within the protection scope of this application.

[0051] Preferably, an opening is provided on the suspension wire locking seat 40 for the detection head 20 to pass through, and the tightening unit 41 includes a rotating shaft 410 arranged on the inner wall of the opening, a tightening block 411 longitudinally connected to the rotating shaft 410, and a pushing unit 412 for pushing the tightening block 411 to rotate around the rotating shaft; the movable end of the pushing unit 412 acts on the tightening block through a buffer member 413 (which can be a direct connection or a tightening effect relying on elastic force); the pushing unit 412 drives the tightening block 411 to rotate around the rotating shaft 410, and one end of the tightening block 411 can perform tightening and loosening actions. At the same time, the rotating shaft 410 and the tightening block 411 are both arranged in a position inside the opening, which can better prevent external interference.

[0052] A thromboelastogram detection module detection method, based on the above-mentioned thromboelastogram detection module, such as Figure 7 As shown, the following steps are included:

[0053] S01: The locking assembly locks the swingable state of the detection head, and the lifting assembly drives the detection head downward, and the detection head passes through the lid of the reaction cup;

[0054] S02: The lifting assembly drives the detection head upward to a set height, so that the cup cover is separated from the cup body of the reaction cup. At this time, the lower end of the cup cover is still below the sample liquid level in the reaction cup;

[0055] S03: The locking component unlocks the swingable state of the detection head;

[0056] S04: The swing component drives the reaction cup to swing, the sample in the reaction cup begins to solidify, and the angle sensor outputs the detected detection head swing data;

[0057] By applying the method of the present application, the swingable state of the detection head is locked by relying on the locking component, so that the automatic opening of the reaction cup can be realized, which greatly improves the degree of automation. The overall structure is reasonable and very compact, with a small size, high detection efficiency, good reliability and low cost.

[0058] Preferably, in S04 (see the structural drawings above), the swing assembly is composed of a cuvette rotating seat, a mounting seat for rotatably mounting the cuvette rotating seat, a shift fork connected to the cuvette rotating seat, a drive head plugged into the fork of the shift fork, and a drive unit that drives the drive head; a moving assembly is connected to the mounting seat to drive it to move laterally toward or away from the drive head; and the cuvette shift fork also includes a stop for the cuvette lid;

[0059] S01 also includes methods:

[0060] After loading the reaction cup onto the reaction cup rotating seat, the moving assembly drives the mounting seat to move until the reaction cup is directly under the detection head. At this time, the driving head is inserted into the fork of the shift fork;

[0061] S04 also includes methods:

[0062] After the test is completed, the lifting assembly drives the detection head upward to reset. The cup cover of the reaction cup is blocked by the reaction cup fork and separated from the detection head and falls on the cup body of the reaction cup. The moving assembly drives the mounting base to move the reaction cup out of the test position, and the driving head separates from the fork.

[0063] By engaging and disengaging the shift fork 120 and the drive head 121, the reaction cup 5 can be loaded first, and then the material can be moved. When moving the material, the shift fork 120 and the drive head 121 are engaged and connected, which facilitates external loading operations. It should be noted that the external loading operation can be performed by equipment such as a robot or manually.

[0064] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A thromboelastogram detection module, characterized in that: It includes a swinging assembly that drives the reaction cup to swing, a detection head assembly and a lifting assembly that drives the detection head assembly to move up and down; the detection head assembly includes a detection head, a suspension wire for suspending the detection head and an angle sensor for detecting the swinging angle of the detection head; the thromboelastogram detection module also includes a locking assembly for locking and unlocking the swingable state of the detection head; the detection head assembly also includes a mounting seat for installing the suspension wire, and the mounting seat is driven to move up and down by the lifting assembly; the locking assembly includes a suspension wire locking seat and a pressing unit that presses the detection head against the suspension wire locking seat; the suspension wire locking seat and the pressing unit are both arranged on the mounting seat.

2. The thromboelastogram detection module according to claim 1, characterized in that: The swing assembly includes a reaction cup rotating seat, a mounting seat for rotatably mounting the reaction cup rotating seat, and a swing driving assembly for driving the reaction cup rotating seat to rotate and swing.

3. The thromboelastogram detection module according to claim 2, characterized in that: The swing drive assembly includes a shift fork connected to the reaction cup rotating seat, a drive head plugged into the fork head of the shift fork, and a drive unit driving the drive head.

4. The thromboelastogram detection module according to claim 3, characterized in that: The thromboelastogram detection module further includes a moving component that drives the mounting seat to move laterally toward or away from the driving head.

5. The thromboelastogram detection module according to claim 3, characterized in that: The thromboelastogram detection module further includes a reaction cup fork for stopping the cup cover of the reaction cup.

6. The thromboelastogram detection module according to claim 1, characterized in that: The suspension wire locking seat is provided with an opening for the detection head to pass through, and the tightening unit includes a rotating shaft arranged on the inner wall of the opening, a tightening block longitudinally connected to the rotating shaft, and a pushing unit that pushes the tightening block to rotate around the rotating shaft; the movable end of the pushing unit acts on the tightening block through a buffer member.

7. A thromboelastogram detection module detection method, according to any one of claims 1-6, characterized in that: The following steps are involved: Step 1: The locking assembly locks the detection head in its swingable state, and the lifting assembly drives the detection head downward, passing through the lid of the reaction cup; Step 2: The lifting assembly drives the detection head upward to a set height, so that the cup cover is separated from the cup body of the reaction cup. At this time, the lower end of the cup cover is still below the sample liquid level in the reaction cup; Step 3: The locking component unlocks the swingable state of the detection head; Step 4: The swing component drives the reaction cup to swing, the sample in the reaction cup begins to solidify, and the angle sensor outputs the detected detection head swing data.

8. The thromboelastogram detection module detection method according to claim 7, characterized in that: In the fourth step, the swing assembly is composed of a cuvette rotating seat, a mounting seat for rotatably mounting the cuvette rotating seat, a shift fork connected to the cuvette rotating seat, a drive head plugged into the fork of the shift fork, and a drive unit that drives the drive head; the mounting seat is connected to a moving assembly that drives it to move laterally toward or away from the drive head; and the cuvette shift fork also includes a stop for the cuvette lid; The first step also includes the method: After loading the reaction cup onto the reaction cup rotating seat, the moving assembly drives the mounting seat to move until the reaction cup is directly under the detection head. At this time, the driving head is inserted into the fork of the shift fork; The fourth step also includes the method: After the detection is completed, the lifting assembly drives the detection head upward to reset. The cup cover of the reaction cup is blocked by the reaction cup fork and separated from the detection head and falls on the cup body of the reaction cup. The moving assembly drives the mounting base to move the reaction cup out of the detection position, and the driving head separates from the fork.

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