A smear device for clinical medical testing

Abstract

This utility model discloses a smear device for clinical medical testing, relating to the field of smear technology. It includes a support with a horizontally positioned bearing surface; a circular plate arranged parallel to the bearing surface, forming a dynamic gap between them; four hollow arc-shaped guide plates, symmetrically hinged in pairs to the central area of ​​the bottom of the circular plate, their inner surfaces forming a vertical tubular channel; a dropper axially positioned within the tubular channel and fixed to the circular plate, with the dropper's outlet end facing the center of the bearing surface; and four sets of linkages equidistantly arranged in a ring within the dynamic gap, each linkage's ends hinged to the free end of a guide plate and the edge of the bearing surface, respectively. This utility model uses a drive source to move the circular plate, causing the linkages to work and pushing the free end of the guide plate to unfold, forming a gradually sloping airflow channel, thereby evenly spreading all the sample liquid and ultimately completing the smear operation. When heated gas is applied, it can also achieve the effect of spreading and drying simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of smear technology, specifically to a smear device for clinical medical testing. Background Technology

[0002] Clinical laboratory testing involves examining samples such as blood, body fluids, secretions, excretions, and shed tissues from patients using various methods to obtain disease-related information. These methods include visual observation, physical, chemical, instrumental analysis, and molecular biological techniques. Smear technique is a commonly used specimen preparation method; by observing cells or other formed elements in smears under a microscope, it provides important information for clinical diagnosis, treatment evaluation, and prognosis.

[0003] In existing technologies, the sample solution is coated by adsorbing the liquid onto a glass slide using a coating sphere and rolling it. Due to the rolling characteristics of the sphere and the liquid adsorption during the coating process, some sample solution cannot be completely and evenly distributed on the glass slide, resulting in waste of sample solution. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a smear device for clinical medical testing.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A smear device for clinical medical testing, comprising:

[0007] The bracket has a horizontally positioned load-bearing surface;

[0008] A circular plate is arranged parallel to the bearing surface above it, forming a dynamic gap with the bearing surface;

[0009] Four hollow arc-shaped guide plates are symmetrically hinged in pairs to the central area of ​​the bottom of the circular plate, and their inner sides enclose and form a vertical tubular channel.

[0010] A dripper is axially disposed within a tubular channel and fixed to a circular plate, with the liquid outlet of the dripper facing the center of the bearing surface.

[0011] Four sets of linkages are arranged in a ring at equal intervals within the dynamic gap, with each linkage hinged at both ends to the free end of the guide plate and the edge of the bearing surface, respectively.

[0012] The drive source is located on the top wall inside the bracket. When the drive source is driven, it causes the circular plate to move longitudinally, and the connecting member pulls the free end of the guide plate to rotate and unfold the hinged end of the guide plate outward.

[0013] When the sample liquid in the dropper drips vertically onto the glass slide placed on the support surface, the expansion thrust generated by the gradually inclined airflow in the guide plate causes the sample liquid on the glass slide to spread evenly in the radial direction.

[0014] Preferably, the gradually inclined airflow discharge direction of the guide plate forms an angle of ≤60° with the top of the bearing surface.

[0015] Preferably, the air cavity inside the guide plate is tapered along the airflow discharge direction.

[0016] Preferably, the deflector includes:

[0017] A groove is formed at the top of the guide plate;

[0018] The curved hose is fixed in the groove, its bottom end is connected to the air cavity in the guide plate, and its top end extends to the top of the circular plate;

[0019] The trachea is fixed to the top of the circular plate, and its bottom end is connected to the top end of the curved hose.

[0020] Preferably, the linkage includes:

[0021] Connector block;

[0022] The connecting rod has one end hinged to the bottom of the connecting block and the other end hinged to the edge of the bearing surface;

[0023] The pull plate has one end fixed to the side wall of the connecting block and the other end hinged to the free end of the guide plate.

[0024] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0025] This invention uses a drive source to move a circular plate, which in turn drives a linkage to expand the free end of a guide plate, forming a gradually sloping airflow channel. This allows for the uniform spreading of the entire sample liquid, ultimately completing the smearing process. When heated gas is applied, it also achieves the effect of simultaneous spreading and drying. Attached Figure Description

[0026] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0027] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0028] Figure 2 This is a partial structural schematic diagram of the present invention;

[0029] Figure 3 This is a schematic diagram of the open structure of the guide plate of this utility model.

[0030] The diagram is labeled as follows: 1. Support; 2. Circular plate; 3. Guide plate; 31. Arc-shaped hose; 32. Air tube; 4. Drip device; 5. Linkage component; 51. Connecting block; 52. Connecting rod; 53. Pull plate; 6. Drive source. Detailed Implementation

[0031] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0032] Example

[0033] like Figures 1-3 As shown, a smear device for clinical medical testing includes:

[0034] Bracket 1 has a horizontally positioned load-bearing surface;

[0035] The circular plate 2 is arranged parallel to the bearing surface above it, forming a dynamic gap with the bearing surface;

[0036] Four hollow arc-shaped guide plates 3 are symmetrically hinged to the central area of ​​the bottom of the circular plate 2, and their inner sides enclose each other to form a vertical tubular channel.

[0037] The deflector 3 includes:

[0038] A groove is formed at the top of the guide plate 3;

[0039] The arc-shaped hose 31 is fixed in the groove, its bottom end is connected to the air cavity in the guide plate 3, and its top end extends to the top of the circular plate 2.

[0040] The trachea 32 is fixed to the top of the circular plate 2, and its bottom end is connected to the top end of the arc-shaped hose 31.

[0041] The dripper 4 is axially positioned inside the tubular channel and fixed to the circular plate 2, with the liquid outlet of the dripper 4 facing the center of the bearing surface.

[0042] The dropper 4 drips an appropriate amount of sample solution onto the top of the glass slide on the supporting surface, and the sample solution begins to spread out in a circular pattern. Through the cooperation of the air tube 32 and the arc-shaped flexible tube 31, the external airflow is guided into the guide plate 3 through the arc-shaped flexible tube 31. When the drive source 6 is not driven, the airflow direction is vertical, and the airflow impacts the center of the sample solution, causing the sample solution to expand outward.

[0043] Four sets of linkages 5 are arranged in a ring at equal intervals within the dynamic gap, and the two ends of each linkage 5 are respectively hinged to the free end of the guide plate 3 and the edge of the bearing surface.

[0044] Linkage 5 includes:

[0045] Connector block 51;

[0046] The connecting rod 52 has one end hinged to the bottom of the connecting block 51 and the other end hinged to the edge of the bearing surface.

[0047] The pull plate 53 has one end fixed to the side wall of the connecting block 51 and the other end hinged to the free end of the guide plate 3.

[0048] When the circular plate 2 is longitudinally displaced, the downward force of the guide plate 3 causes the pull plate 53 to push the connecting block 51, which in turn causes the connecting rod 52 to move, thereby causing the pull plate 53 to drive the hinge end of the guide plate 3 to rotate and the free end of the guide plate 3 to unfold outward.

[0049] The drive source 6 is located on the inner top wall of the bracket 1. When the drive source 6 is driven, it drives the circular plate 2 to move longitudinally, and pulls the free end of the guide plate 3 through the linkage 5 to make the hinge end of the guide plate 3 rotate outward and unfold.

[0050] When the sample liquid in the dropper 4 drips vertically onto the glass slide placed on the support surface, the expansion thrust generated by the gradually inclined airflow in the guide plate 3 causes the sample liquid on the glass slide to spread evenly in the radial direction.

[0051] The drive source 6 is located on the inner top wall of the bracket 1;

[0052] The driving source 6 is set as a cylinder, and the telescopic end of the cylinder is fixed to the circular plate 2. When the cylinder is started, its telescopic end can push the circular plate 2 to move vertically downward.

[0053] When driven by the drive source 6, the linkage 5, through its connection with the circular plate 2, can drive the hinge end of the guide plate 3 to rotate as the circular plate 2 moves longitudinally, causing the free end of the guide plate 3 to unfold. Through its shape and the design of the airflow channel, a gradually sloping airflow channel is formed. The airflow channel allows the expanding thrust of the airflow to evenly spread the sample liquid. The gradually sloping airflow of the guide plate 3 helps to evenly distribute the sample liquid on the surface of the glass slide.

[0054] As another embodiment, the gas can be set as a heat flow, which can promote the spread of the sample liquid on the one hand, and achieve the effect of spreading and drying at the same time on the other hand, ensuring that the sample liquid dries quickly during the coating process.

[0055] The gradually inclined airflow discharge direction of the guide plate 3 forms an angle of ≤60° with the top of the bearing surface.

[0056] The gradually sloping airflow channel formed inside the guide plate 3 can effectively adjust the direction of the airflow, allowing the airflow to act evenly on the sample liquid. The exhaust direction of the airflow forms a certain angle with the top of the bearing surface, ensuring that the airflow can spread the sample liquid evenly and effectively.

[0057] The air cavity inside the deflector 3 is tapered along the airflow discharge direction.

[0058] The air chambers within the guide plate 3 have a gradually decreasing shape, which helps to accelerate and expand the airflow. Under the action of the airflow, the sample liquid spreads evenly in the radial direction. Through the thrust of the airflow and the gradual expansion of the guide plate 3, the airflow is amplified, allowing the sample liquid to be evenly coated on the glass slide.

[0059] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A smear preparation device for clinical medical testing, characterized in that, include: The bracket (1) has a horizontally arranged bearing surface; The circular plate (2) is arranged parallel to the bearing surface above it, forming a dynamic gap with the bearing surface; Four hollow arc-shaped guide plates (3) are symmetrically hinged to the central area of ​​the bottom of the circular plate (2), and the inner side of the plate encloses the vertical tubular channel. The dripper (4) is axially disposed in the tubular channel and fixed to the circular plate (2), with the liquid outlet of the dripper (4) facing the center of the bearing surface; Four sets of linkages (5) are arranged in a ring at equal intervals within the dynamic gap. The two ends of each linkage (5) are respectively hinged to the free end of the guide plate (3) and the edge of the bearing surface. The drive source (6) is located on the inner top wall of the bracket (1). When the drive source (6) is driven, it drives the circular plate (2) to move longitudinally. The connecting member (5) pulls the free end of the guide plate (3) to rotate outward and unfold the hinged end of the guide plate (3). When the sample liquid in the dropper (4) drips vertically onto the glass slide placed on the support surface, the expansion thrust generated by the gradually inclined airflow in the guide plate (3) causes the sample liquid on the glass slide to spread evenly in the radial direction.

2. The smear device for clinical medical testing according to claim 1, characterized in that: The gradually inclined airflow discharge direction of the guide plate (3) forms an angle of ≤60° with the top of the bearing surface.

3. The smear device for clinical medical testing according to claim 1, characterized in that: The air cavity inside the guide plate (3) is reduced in shape along the airflow discharge direction.

4. A smear preparation device for clinical medical testing according to claim 1, characterized in that: The guide plate (3) includes: A groove is formed at the top of the guide plate (3); The curved hose (31) is fixed in the groove, with its bottom end connected to the air cavity inside the guide plate (3) and its top end extending to the top of the circular plate (2); The trachea (32) is fixed to the top of the circular plate (2), and its bottom end is connected to the top end of the arc-shaped hose (31).

5. A smear preparation device for clinical medical testing according to claim 1, characterized in that: The linkage (5) includes: Connector block (51); The connecting rod (52) has one end hinged to the bottom of the connecting block (51) and the other end hinged to the edge of the bearing surface; The pull plate (53) has one end fixed to the side wall of the connecting block (51) and the other end hinged to the free end of the guide plate (3).

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