Blending auxiliary device for vacuum blood collection tube

Abstract

The utility model discloses a uniform mixing auxiliary device for a vacuum blood collection tube. Comprising a base with the bottom connected with supporting legs, a bearing groove formed in the upper surface of the base, a main rotation driving unit installed above the bearing groove, a tube body inserting barrel installed at the output end of the main rotation driving unit and used for inserting a vacuum blood collection tube, and an inclination angle adjusting unit used for adjusting the outward inclination angle of the tube body inserting barrel. The centrifugal force effectively acts on the blood in the vacuum blood collection tube through superposition of time-varying dip angle movement on the basis of revolution, so that the internal layering state is broken, the internal blood is fully mixed under angle time-varying control, the mixing sufficiency is ensured in the mode, the structure is simpler, and the operation is more convenient. In the using process, the upper end of the vacuum blood collection tube does not face downwards, the technical problem that the blood collection tube flies out is solved, and application is safer.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model belongs to the technical field of mixing auxiliary device, more particularly, to a kind of vacuum blood collection tube mixing auxiliary device. BACKGROUND

[0002] Blood sedimentation can effectively monitor various inflammatory diseases, rheumatism, tuberculosis and the like. At present, the detection work of blood sedimentation has been instrumented and automatically completed, but the sample in the blood sedimentation tube needs to be fully mixed before detection to ensure the authenticity and consistency of data. Under normal circumstances, the staff usually uses manual shaking method, which obviously has many drawbacks. Therefore, a blood collection tube shaking auxiliary device is urgently needed to improve the efficiency of blood sedimentation detection.

[0003] To solve the above technical problems, a blood sedimentation instrument capable of mixing a single blood sedimentation tube is disclosed in Chinese patent CN204142611U, which includes a base, left and right side fixed left and right supports on the base. A plurality of stepping motors are arranged on the left and right supports, and the reciprocating motion of each component is driven by the stepping motor to realize the mixing function of each blood sedimentation tube. In addition, a special mixing device for blood sedimentation instrument is disclosed in Chinese utility model patent CN204882198U, which includes a base plate and a support installed on the base plate. The support includes left and right side plates installed vertically on the base plate. The left and right side plates are spaced apart and a rotating shaft is installed between them. The support is characterized in that a miniature driving motor is installed on the support, the output end of the miniature driving motor is connected to the rotating shaft in a driving manner, and a blood sedimentation tube rack is detachably installed on the rotating shaft. The utility model provides a special mixing device for blood sedimentation instrument with simple and compact structure, low cost and good mixing effect, to solve the defects of complex mixing structure, high manufacturing cost and poor mixing effect of existing blood sedimentation instruments, which affect the accuracy of experimental data.

[0004] The above-mentioned patent technologies realize mechanical shaking by automatic means, replacing manual shaking operation, but still have the following technical problems or improvements: (1) Patent technology CN204142611U realizes shaking effect by horizontal shaking, while blood stratification is mainly stratification in the vertical direction, which leads to insufficient mixing effect and causes errors in subsequent detection data; (2) Patent technology CN204882198U realizes shaking effect by reversing the tube body. In high-speed state, the blood collection tube is easily thrown out, which increases the complexity of the operation process of installing the blood collection tube; (3) Based on the above defect analysis, the mixing motion form should be optimized to realize sufficient mixing of stratification in the vertical direction, and on this basis, the overall structure should be simplified to achieve fast and safe application. UTILITY MODEL CONTENTS

[0005] In order to solve the above defects or improvement needs of the prior art, the utility model provides a kind of vacuum blood collection tube mixing auxiliary device. By superimposing time-varying inclination motion on revolution basis, centrifugal force is effectively applied to blood in vacuum blood collection tube, so that the internal stratification state is broken, and under the control of angle time-varying, internal blood is fully mixed. This method ensures the sufficiency of mixing, and the structure is simpler. The upper end of the vacuum blood collection tube will not be in the downward direction during use, avoiding the technical problem of blood collection tube flying out, and the application is safer.

[0006] In order to achieve the above purpose, a kind of vacuum blood collection tube mixing auxiliary device, comprising:

[0007] The base is connected with the support foot at the bottom, the bearing groove is arranged on the upper surface of the base, the main rotation driving unit is installed above the bearing groove, the pipe body plug-in cylinder for inserting the vacuum blood collection tube is installed on the output end of the main rotation driving unit, and the inclination adjustment unit is used to adjust the inclination angle of the pipe body plug-in cylinder.

[0008] The main rotation driving unit comprises a mounting groove opened in the middle of the base, a main rotation driving motor installed in the mounting groove, an end cover covering the mounting groove, a main rotation output base disc installed above the bearing groove, and a positioning slot opened in the side edge of the main rotation output base disc. The pipe body plug-in cylinder is installed in the positioning slot. The output shaft of the main rotation driving motor is coaxially fixedly connected with the main rotation output base disc.

[0009] The upper end of the pipe body plug-in cylinder with vacuum blood collection tube is controlled to incline outward by the inclination adjustment unit, and the main rotation driving motor is controlled to rotate, so as to mix the blood layer in the vacuum blood collection tube by centrifugal force, and the inclination is periodically dynamically adjusted by the inclination adjustment unit to enhance the mixing effect.

[0010] Preferably, the inclination adjustment unit comprises:

[0011] The intermediate guide column is fixedly arranged at the center above the main rotation output base disc, the auxiliary connecting disc is vertically slidably connected with the intermediate guide column, the second positioning slot is opened in the side of the auxiliary connecting disc, and the lifting adjustment assembly controls the vertical movement of the auxiliary connecting disc. The second positioning slot is rotatably connected with the outer wall of the middle segment of the pipe body plug-in cylinder.

[0012] The intermediate connecting rod is rotatably connected with the positioning slot at one end, and the other end of the intermediate connecting rod is rotatably connected with the lower end of the pipe body plug-in cylinder.

[0013] Preferably, the lifting adjustment assembly comprises:

[0014] The threaded hole is opened in the center of the intermediate guide column, the transmission screw rod is rotatably connected with the threaded hole, and the adjustment driving motor is coaxially fixedly connected with the transmission screw rod.

[0015] Preferably, the intermediate guide column comprises: a diameter greater than one fifth of the diameter of the secondary connecting disc.

[0016] Preferably, the intermediate connecting rod length is equal to the horizontal distance of both the first positioning notch and the second positioning notch.

[0017] Preferably, the inner wall of the tube insertion cylinder is provided with an anti-skid buffer layer.

[0018] Preferably, the anti-skid buffer layer is made of rubber.

[0019] Overall, compared with the prior art, the above technical scheme conceived by the utility model can achieve the following beneficial effects:

[0020] The vacuum blood collection tube mixing auxiliary device of the utility model, through the superposition of time-varying angle movement on the revolution base, effectively acts the centrifugal force on the blood in the vacuum blood collection tube, breaks the internal stratification state of the blood, and under the control of the angle time variation, the internal blood is fully mixed, which guarantees the fullness of the mixing, and the structure is simpler, and the upper end of the vacuum blood collection tube will not be in the downward direction in the use process, avoiding the technical problem of the flying of the blood collection tube, and the application is safer. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the vacuum blood collection tube mixing auxiliary device of the utility model embodiment;

[0022] Figure 2 It is a main rotation output disc structure schematic view of the vacuum blood collection tube mixing auxiliary device of the utility model embodiment;

[0023] In all the drawings, same reference signs represent same technical features, specifically: 1-base, 100-supporting leg, 101-bearing groove, 2-main rotation driving unit, 201-mounting groove, 202-end cover, 203-main rotation driving motor, 204-main rotation output disc, 205-first positioning notch, 3-angle adjustment unit, 301-intermediate connecting rod, 302-secondary connecting disc, 303-intermediate guide column, 304-second positioning notch, 310-lifting adjustment assembly, 311-adjustment driving motor, 312-transmission screw rod, 313-screw hole, 4-tube insertion cylinder, 400-anti-skid buffer layer. DETAILED DESCRIPTION

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as they do not conflict with each other.

[0028] As shown in Figure 1 and Figure 2 In the embodiment of the present application, the vacuum blood collection tube mixing auxiliary device comprises:

[0029] The base 1 is connected with a support foot 100, a bearing groove 101 is arranged on the upper surface of the base 1, a main rotating drive unit 2 is installed above the bearing groove 101, a tube insertion cylinder 4 for inserting a vacuum blood collection tube is installed at the output end of the main rotating drive unit 2, and an inclination adjusting unit 3 is used to adjust the inclination angle of the tube insertion cylinder 4.

[0030] The main rotation driving unit 2 comprises a mounting groove 201 arranged in the middle of the base 1, a main rotation driving motor 203 mounted in the mounting groove 201, an end cover 202 covering the mounting groove 201, a main rotation output base 204 mounted on the bearing groove 101, and a positioning slot 205 arranged in the side edge of the main rotation output base 204; the tube insertion cylinder 4 is mounted in the positioning slot 205; the output shaft of the main rotation driving motor 203 is coaxially fixedly connected with the main rotation output base 204.

[0031] The upper end of the tube insertion cylinder 4 provided with the vacuum blood collection tube is controlled to be inclined outward by the inclination adjusting unit 3, and the main rotation driving motor 203 is controlled to rotate, so that the blood layer in the vacuum blood collection tube is mixed by the centrifugal force, and the inclination is periodically and dynamically adjusted by the inclination adjusting unit 3, thereby enhancing the mixing effect.

[0032] In the embodiment of the utility model, on the basis of revolution, time-varying inclination movement is superimposed, centrifugal force is effectively applied to the blood in the vacuum blood collection tube, the internal stratification state is broken, and under the control of angle time variation, the internal blood is fully mixed. This kind of mode guarantees the fullness of mixing, and the structure is simpler, the upper end of the vacuum blood collection tube is not in the downward direction in the use process, the technical problem of blood collection tube flying out is avoided, and application is safer.

[0033] As shown in the figure, Figure 1 As shown in the figure,

[0034] The intermediate guide column 303 is fixedly arranged at the center of the upper side of the main rotation output base 204, the auxiliary connecting disc 302 is vertically slidably connected with the intermediate guide column 303, the second positioning slot 304 is arranged in the side of the auxiliary connecting disc 302, and the lifting adjusting assembly 310 is arranged to control the vertical movement of the auxiliary connecting disc 302; the second positioning slot 304 is rotatably connected with the middle segment outer wall of the tube insertion cylinder 4.

[0035] The intermediate connecting rod 301 is rotatably connected with the positioning slot 205 at one end, and rotatably connected with the lower end of the tube insertion cylinder 4 at the other end.

[0036] As shown in the figure, Figure 1 As shown in the figure,

[0037] The threaded hole 313 is arranged at the center of the intermediate guide column 303, the transmission screw rod 312 is rotatably connected with the threaded hole 313, and the adjustment driving motor 311 is coaxially fixedly connected with the transmission screw rod 312.

[0038] As shown in the figure, Figure 1As shown in the utility model embodiment, the intermediate guide column 303 comprises: the diameter of the intermediate guide column 303 is greater than one fifth of the diameter of the secondary connecting disc 302.

[0039] As Figure 1 As shown in the utility model embodiment, the intermediate connecting rod 301 has a length equal to the horizontal distance between the first positioning notch 205 and the second positioning notch 304.

[0040] As Figure 1 As shown in the utility model embodiment, the inner wall of the pipe insertion cylinder 4 is provided with an anti-skid buffer layer 400.

[0041] As Figure 1 As shown in the utility model embodiment, the anti-skid buffer layer 400 is made of rubber.

[0042] Principle of the utility model:

[0043] S100: First, insert the vacuum blood collection tube into the pipe insertion cylinder 4, and under the action of the anti-skid buffer layer 400, reduce the movement of the pipe body and improve the stability;

[0044] S200: Start the system and control the adjustment drive motor 311 to move up and down periodically, and under the action of the screw drive, realize the reciprocating change of the distance between the secondary connecting disc 302 and the main rotating output base disc 204, and then under the action of the intermediate connecting rod 301, the pipe insertion cylinder 4 presents the reciprocating change of the size of the inclination angle;

[0045] S300: Start the main rotating drive motor 302 to drive the main rotating output base disc 204 to rotate, thereby driving the pipe insertion cylinder to do revolution, so that the blood in the vacuum blood collection tube is affected by the centrifugal force, the internal stratification state is broken, and under the control of the angle time variation, the internal blood is fully mixed. This method not only ensures the fullness of the mixing, but also has a simpler structure and is safer in use.

[0046] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principle of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A vacuum blood collection tube mixing assisting device, characterized in that, The application relates to a vacuum blood collection tube inserting device. The device comprises a base (1) connected with supporting legs (100), a bearing groove (101) arranged on the upper surface of the base (1), a main rotating drive unit (2) arranged above the bearing groove (101), a tube inserting cylinder (4) for inserting a vacuum blood collection tube and arranged at the output end of the main rotating drive unit (2), and an inclination adjusting unit (3) for adjusting the inclination angle of the tube inserting cylinder (4). The main rotating drive unit (2) comprises a mounting groove (201) arranged in the middle of the base (1), a main rotating drive motor (203) arranged in the mounting groove (201), an end cover (202) covering the mounting groove (201), a main rotating output base (204) arranged above the bearing groove (101), and a positioning slot (205) arranged in the side edge of the main rotating output base (204); the tube inserting cylinder (4) is arranged in the positioning slot (205); the output shaft of the main rotating drive motor (203) is coaxially fixedly connected with the main rotating output base (204). The inclination adjusting unit (3) controls the outer inclination of the upper end of the tube inserting cylinder (4) containing the vacuum blood collection tube, and controls the rotation of the main rotating drive motor (203), so that the blood layer in the vacuum blood collection tube is mixed by centrifugal force, and the mixing effect is enhanced by the periodic dynamic adjustment of the inclination angle of the inclination adjusting unit (3).

2. The mixing aid for vacuum blood collection tube according to claim 1, wherein, The inclination adjusting unit (3) comprises an intermediate guide column (303) fixedly arranged at the center above the main rotating output base (204), a secondary connecting disc (302) vertically slidably connected with the intermediate guide column (303), a second positioning slot (304) arranged in the side of the secondary connecting disc (302), and a lifting adjusting assembly (310) for controlling the vertical movement of the secondary connecting disc (302); the second positioning slot (304) is rotationally connected with the outer wall of the middle segment of the tube inserting cylinder (4). An intermediate connecting rod (301) has one end rotationally connected with the positioning slot (205) and the other end rotationally connected with the lower end of the tube inserting cylinder (4). The lifting adjusting assembly (310) comprises a threaded hole (313) arranged at the center of the intermediate guide column (303), a transmission screw rod (312) rotationally connected with the threaded hole (313), and an adjusting drive motor (311) coaxially fixedly connected with the transmission screw rod (312).

3. The device of claim 2, wherein the device is configured to be used with a blood collection tube having a volume of 2.5 mL. The intermediate guide column (303) has a diameter greater than one fifth of the diameter of the secondary connecting disc (302). The length of the intermediate connecting rod (301) is equal to the horizontal distance between the first positioning slot (205) and the second positioning slot (304).

4. The mixing aid for vacuum blood collection tube according to claim 2, wherein, The inner wall of the tube inserting cylinder (4) is provided with an antiskid buffer layer (400).

5. The mixing aid for vacuum blood collection tube according to claim 2, wherein: The antiskid buffer layer (400) is made of rubber.

6. The device according to any one of claims 1 to 5, wherein ​ 7. The mixing aid according to claim 6, wherein the mixing aid is a tube having a cylindrical shape. ​

Images