Automatic uncovering device for blood collection tube

Abstract

The utility model relates to the technical field of blood collection tube uncovering, in particular to a blood collection tube automatic uncovering device which comprises a base plate, a supporting device used for placing a blood collection tube body is arranged on the upper portion of the base plate, and a clamping device and a detecting device which act on the blood collection tube body are arranged on the side edge of the supporting device. The supporting device comprises a rotating disc horizontally arranged on the base plate, a plurality of elastic test tube clamps are arranged on the upper surface of the rotating disc, and two height detectors used for detecting the height of a blood collection tube body are arranged on the side edge of the rotating disc. And the infection risk of manual operation and the possibility of cross contamination are greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of opening a blood collection tube cover, in particular to an automatic blood collection tube cover opening device. Background Art

[0002] In recent years, in order to improve the efficiency of clinical testing, laboratory automation systems (LAS) have been paid attention to and developed. In clinical testing, samples to be tested are usually stored in test tubes. Before testing, the test tube caps on the test tubes need to be opened before operations such as sample addition can be performed. Sampling tubes exist in various forms, which can be roughly divided into twist-opening test tubes and straight-pull-opening test tubes. Before testing the centrifuged samples, the sampling tubes need to be opened manually. When opening the cap, aerosols will be generated due to the pressure difference between the inside and outside of the test tube. If the operator directly opens the cap with a handheld test tube, the risk of infection is increased. At the same time, the operator's direct manual operation increases the possibility of cross-contamination between test tubes. Therefore, this technical solution is proposed for improvement. Utility Model Content

[0003] The purpose of the utility model is to overcome the disadvantage of the prior art that there is a greater risk of infection during the manual opening of blood collection tubes, and to provide an automatic blood collection tube opening device.

[0004] In order to achieve the above-mentioned purpose, the embodiment of the present utility model specifically adopts the following technical solution: an automatic opening device for a blood collection tube, comprising a base plate, a support device for placing the blood collection tube body is provided on the upper part of the base plate, a clamping device and a detection device acting on the blood collection tube body are provided on the side of the support device, the support device comprises a turntable horizontally arranged on the base plate, a plurality of elastic test tube clamps are provided on the upper surface of the turntable, and two height detectors for detecting the height of the blood collection tube body are provided on the side of the turntable.

[0005] Furthermore, the elastic test tube clamp includes a base arranged on the turntable, a fixing seat is provided on the upper portion of the base, and a plurality of spring pieces bent toward the middle position are provided on the upper surface of the fixing seat.

[0006] Furthermore, the height detector includes a support rod fixedly mounted on a base plate, and two position sensors of different heights are mounted on the upper portion of the support rod. The position sensor at the top is flush with the height of the tube cap of the blood collection tube body.

[0007] Furthermore, the clamping device includes a bottom plate fixedly arranged on the base plate, a horizontal driving device is arranged on the upper part of the bottom plate, and the moving direction of the horizontal driving device is toward the middle position of the turntable. The horizontal driving device includes a back plate slidably arranged on the bottom plate, and the back plate is arranged vertically. The front side of the back plate is provided with a horizontal clamping device for clamping the tube body of the blood collection tube, and a rotating clamping device for clamping the tube cap of the blood collection tube is provided above the horizontal clamping device.

[0008] Furthermore, the horizontal clamping device includes a mounting plate arranged on the back plate, the upper part of the mounting plate is provided with two horizontal clamping jaws extending toward the turntable, and the inner side of the mounting plate is provided with a gear rack drive structure for driving the horizontal clamping jaws to open and close.

[0009] Furthermore, the rotary clamping device includes a lifting plate arranged on the back plate, the lifting plate is connected to a driving device for driving the lifting plate to rise and fall, and the front end of the lifting plate is provided with a rotating clamp, and the rotating clamp is coaxially arranged with the horizontal clamp.

[0010] Furthermore, the detection device is a detection camera arranged on the side of the back plate, and the side of the back plate is provided with a fill light.

[0011] Furthermore, a flexible rubber layer is provided on each side of the horizontal clamping jaws that contacts the blood collection tube body.

[0012] The beneficial effects of the embodiment of the utility model are as follows: a plurality of elastic test tube clamps are evenly distributed on the upper surface of the turntable, and each time the turntable rotates, one of the elastic test tube clamps can be brought close to the clamping device, which is convenient for opening the cover, and the rotation operation improves the opening efficiency. The elastic test tube clamp is used to fix and support the blood collection tube body, and the spring can elastically clamp blood collection tubes of different diameters to ensure that they are stable and do not shake, and are suitable for a variety of blood collection tubes of different diameters, increasing applicability. The horizontal clamping claw clamps the blood collection tube body stably, and the upper rotating clamping claw descends, and according to the detected distance of the tube cap, the blood collection tube body is opened. The rotating claw clamps to the side of the tube cap. If the blood collection tube body is a straight-opening type test tube, the lifting plate rises directly after the side rotating claw is clamped. Since the blood collection tube body is fixed by the horizontal claw, the tube cap is separated when the rotating claw rises, completing the opening operation. If the blood collection tube body adopts a knob-opening type test tube, the motor drives the tube cap to rotate after the rotating claw clamps the tube cap. While rotating, the lifting plate also rises at the same time, thereby realizing the rotary opening operation, realizing an automated, efficient and safe blood collection tube opening operation, greatly reducing the infection risk and the possibility of cross contamination during manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the turntable structure of the utility model;

[0015] Figure 3 This is a schematic structural diagram of the elastic test tube clamp of the present utility model;

[0016] Figure 4 This is a schematic structural diagram of the horizontal clamping device of the present invention;

[0017] Figure 5 This is a schematic structural diagram of the rotary clamping device of the present utility model;

[0018] In the figure: 1. Base plate; 2. Turntable; 201. Elastic test tube clamp; 2011. Base; 2012. Fixed seat; 2013. Shrapnel; 3. Support rod; 301. Position sensor; 4. Bottom plate; 401. Detection camera; 402. Fill light; 5. Horizontal clamping device; 501. Mounting plate; 502. Horizontal clamping jaw; 6. Back plate; 7. Rotating clamping device; 701. Rotating clamping jaw; 702. Lifting plate. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0020] Example 1

[0021] See also Figures 1 to 5 The embodiment of the utility model discloses an automatic opening device for blood collection tubes, which is mainly composed of a base plate 1, a supporting device, a clamping device, a detection device and a driving system. The base plate 1 is horizontally arranged on an operating table to ensure stability in use. The supporting device includes a turntable 2 horizontally arranged on the base plate 1. The turntable 2 is driven by a motor at the bottom to rotate. A plurality of elastic test tube clamps 201 are evenly distributed on the upper surface of the turntable 2. Each time the turntable 2 rotates, one of the elastic test tube clamps 201 is close to the clamping device, which is convenient for opening the cover. The rotation operation improves the opening efficiency. The elastic test tube clamps 201 are used to fix and support the blood collection tube body. Each elastic test tube clamp 201 is composed of a base 2011, a fixing seat 2012 and a spring 2013. The seat 2011 is fixed on the turntable 2, and the fixed seat 2012 is installed on the base 2011. The upper surface of the seat is provided with multiple spring pieces 2013 bent toward the middle position. These spring pieces 2013 can elastically clamp blood collection tubes of different diameters to ensure their stability and no shaking. They are suitable for a variety of blood collection tubes with different diameters, increasing applicability. In addition, the elastic upper part is provided with finger protrusions bent toward the middle, which increases the friction between the clamping fingers and the tube cap, and independently elastic clamping, thereby ensuring the clamping success rate and not damaging the barcode on the blood collection tube body.

[0022] In order to accurately identify the height of the blood collection tube, two sets of height detectors are installed on the side of the turntable 2, one of which is used to detect blood collection tube bodies of different heights. The height detector consists of a support rod 3 and a position sensor 301. The height of the position sensor 301 is adjustable to determine the height position of the tube cap and feed back the collected height information to the control end to facilitate the control of the descending distance of the rotating clamping device 7. The support rod 3 is fixed on the base plate 1, and two position sensors 301 of different heights are installed on its upper part. The top position sensor 301 is set at a position flush with the height of the tube cap of the blood collection tube body, which is used to accurately detect the height information of the blood collection tube and provide data support for subsequent clamping and uncapping operations. The other set of support rods 3 is set in a relative position on the side of the turntable 2 to detect whether the blood collection tube body is still installed with a tube cap after passing through the clamping device, and is used to detect whether the uncapping is successful, provide feedback messages, and ensure the accuracy of the data.

[0023] The clamping device is installed on the other side of the base plate 1, including a base plate 4, a horizontal driving device, a horizontal clamping device 5 and a rotating clamping device 7. The base plate 4 is fixed on the base plate 1, and a horizontal driving device is installed thereon. The horizontal driving device consists of a back plate 6, a sliding mechanism and a driving motor. The back plate 6 is vertically arranged, and the sliding mechanism is a guide rail. The back plate 6 can slide back and forth along the guide rail through the driving device (driving motor or screw rod). Its moving direction is toward the center of the turntable 2, so that the back plate 6 is toward the center of the turntable 2, which is convenient for clamping operation. The horizontal clamping device 5 is installed on the front of the back plate 6. The horizontal clamping device 5 includes a mounting plate 501 and two horizontal clamping jaws 502 The mounting plate 501 is fixed on the back plate 6, on which are mounted two horizontal clamping jaws 502 extending toward the turntable 2. The horizontal clamping jaws 502 are controlled to open and close by the gear rack structure inside the mounting plate to clamp the blood collection tube body. When in use, the back plate 6 moves forward, so that the two horizontal clamping jaws 502 move to both sides of the blood collection tube body on the turntable 2. By controlling the two horizontal clamping jaws 502 to clamp toward the middle, it is used to stabilize the blood collection tube body and maintain operational stability. A flexible rubber layer is provided on the side of the horizontal clamping jaws that contacts the blood collection tube body to prevent the label on the side of the blood collection tube body from being scratched. The control structure is compact and reliable, ensuring the use effect. The rotary clamping device 7 is arranged above the horizontal clamping device 5, and includes a lifting plate 702 and a rotating clamping claw 701. The lifting plate 702 is moved up and down by a driving device (such as a screw mechanism driven by a cylinder or a motor). The front end of the lifting plate 702 is provided with a rotating clamping claw 701 arranged coaxially with the horizontal clamping claw 502. The rotating clamping claw 701 is driven by a motor to clamp and rotate, thereby achieving the clamping and rotating opening operation of the blood collection tube cap. When in use, the lower horizontal clamping claw 502 clamps the blood collection tube body stably, and the upper rotating clamping claw 701 descends. According to the detected distance of the tube cap, the rotating clamping claw 701 is clamped to the side of the tube cap. If the blood collection tube body is a straight-opening test tube, the side rotating clamping claw After 701 is clamped, the lifting plate 702 rises directly. Since the blood collection tube body is fixed by the horizontal clamping jaws 502, the tube cap is separated when the rotating clamping jaws 701 rises, completing the uncapping operation. If the blood collection tube body adopts a knob-opening test tube, the motor drives the tube cap to rotate after the rotating clamping jaws 701 clamp the tube cap. While rotating, the lifting plate 702 also rises at the same time, thereby realizing the rotary uncapping operation. The uncapping operation can be realized for different blood collection tube bodies. The operation is stable and the structure is reliable. It is suitable for blood collection tube bodies of different heights, different diameters and different buckling methods. It has strong adaptability and is easy to use, realizing an automated, efficient and safe blood collection tube uncapping operation, greatly reducing the infection risk and the possibility of cross contamination during manual operation.

[0024] Example 2

[0025] The main difference between this embodiment and embodiment 1 is that a detection device for detecting the serum stratification effect inside the blood collection tube body is provided on the side of the back plate 6. The detection device mainly consists of a detection camera 401 and a fill light 402, which are installed on the side of the back plate 6. The detection camera 401 is used to capture the position and state of the serum inside the blood collection tube body. If the serum separation effect does not meet the opening requirements, the opening operation is not performed to ensure the accuracy of the clamping and opening operations. The fill light 402 provides sufficient light for the detection camera 401 to ensure a clear image, thereby ensuring the detection effect and the accuracy of the opening.

[0026] It should be noted that in the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is merely for ease of description and does not indicate or imply that the device or element described must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] Furthermore, it should be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0028] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, article, or apparatus / device.

[0029] Thus far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present invention.

Claims

1. An automatic opening device for blood collection tubes, comprising a base plate, characterized in that: A supporting device for placing the blood collection tube body is provided on the upper part of the base plate, and a clamping device and a detection device acting on the blood collection tube body are provided on the side of the supporting device. The supporting device includes a turntable horizontally arranged on the base plate, and a plurality of elastic test tube clamps are provided on the upper surface of the turntable. Two height detectors for detecting the height of the blood collection tube body are provided on the side of the turntable.

2. The automatic opening device for blood collection tubes according to claim 1, characterized in that: The elastic test tube clamp comprises a base arranged on a turntable, a fixing seat is arranged on the upper part of the base, and a plurality of spring pieces bent toward a middle position are arranged on the upper surface of the fixing seat.

3. The automatic opening device for blood collection tubes according to claim 1, characterized in that: The height detector includes a support rod fixedly arranged on a base plate, and two position sensors of different heights are arranged on the upper part of the support rod. The position sensor at the top is flush with the height of the tube cap of the blood collection tube body.

4. The automatic opening device for blood collection tubes according to claim 1, characterized in that: The clamping device includes a bottom plate fixedly arranged on the base plate, a horizontal driving device is arranged on the upper part of the bottom plate, and the moving direction of the horizontal driving device is toward the middle position of the turntable. The horizontal driving device includes a back plate slidably arranged on the bottom plate, and the back plate is arranged vertically. The front side of the back plate is provided with a horizontal clamping device for clamping the tube body of the blood collection tube, and a rotating clamping device for clamping the tube cap of the blood collection tube is provided above the horizontal clamping device.

5. The automatic opening device for blood collection tubes according to claim 4, characterized in that: The horizontal clamping device includes a mounting plate arranged on a back plate, the upper portion of the mounting plate is provided with two horizontal clamping jaws extending toward the turntable, and the inner side of the mounting plate is provided with a gear rack drive structure for driving the horizontal clamping jaws to open and close.

6. The automatic opening device for blood collection tubes according to claim 4, characterized in that: The rotary clamping device includes a lifting plate arranged on a back plate, the lifting plate is connected to a driving device for driving the lifting plate to rise and fall, and a rotating clamping claw is provided at the front end of the lifting plate, and the rotating clamping claw is coaxially arranged with the horizontal clamping claw.

7. The automatic opening device for blood collection tubes according to claim 4, characterized in that: The detection device is a detection camera arranged on the side of the back plate, and a fill light is arranged on the side of the back plate.

8. The automatic opening device for blood collection tubes according to claim 5, characterized in that: The sides of the horizontal clamping jaws that contact the blood collection tube body are both provided with a flexible rubber layer.

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