Inspection smear device

The motor-driven system with gears and eccentric shafts addresses uneven blood distribution on slides, ensuring uniform coverage and reducing contamination, thereby improving the accuracy of microscopic examination.

CN223107372UActive Publication Date: 2025-07-15BEIJING TONGZHOU DISTRICT HOSPITAL OF INTEGRATED TRADITIONAL CHINESE & WESTERN MEDICINE
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Patent Information

Application Number
CN202422146244.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-07-15
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

Existing inspection smears can easily lead to uneven detection fluid when applying blood, and the detection fluid may be squeezed to the edge of the slide or elsewhere, affecting the safety and accuracy of the detection environment.

Method used

The combined structure of the rotary shaft and the application deflection shaft is adopted. Through the coordinated movement of the application limit ring and the application cotton pad, the detection liquid is uniformly applied in the middle area of the slide, and combined with the use of the micro motor drive and clamping components, ensuring the stability and uniformity of the application process.

Benefits of technology

The detection liquid is uniformly applied in the middle area of the slide, avoiding the detection liquid being squeezed to the edge, improving the application efficiency and detection accuracy, and reducing the risk of pollution in the detection environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inspection smear device, and relates to the technical field of medical inspection, in particular to the inspection smear device which comprises a mounting plate, a continuous driving assembly, a smearing assembly, a baffle, a smearing limiting ring, a connecting rod, a rotating shaft, an eccentric rod and a smearing deflection shaft. The mounting plate is connected with the smearing limiting ring through a connecting rod, a rotating shaft is arranged on the lower side of the mounting plate, an eccentric rod is arranged on one side of the rotating shaft, a smearing deflection shaft is arranged on the eccentric rod, a continuous driving assembly is arranged between the rotating shaft and the smearing deflection shaft, and a smearing assembly is arranged between the rotating shaft and the smearing deflection shaft; and a baffle is arranged on the lower side of the mounting plate. Compared with the prior art, the glass slide has the advantages that detection liquid is prevented from being extruded outside the glass slide; the smearing is more uniform.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical inspection, in particular to a test smearer. Background Art

[0002] Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items directly or indirectly used on the human body, including the required computer software. When a doctor conducts a blood test, a smearer is needed to smear the blood on a flat glass slide for inspection.

[0003] A test smearer described in the patent publication No. CN220154037U includes a base, and a limit groove is provided on the upper surface of the base; in the utility model, through the settings of the first connecting block, the micro motor, the second screw rod, the bracket, the air cylinder, the connecting frame, the damping return rod, the movable plate and the smear cotton, when smearing blood, the smearer mostly adopts manual operation, making it very difficult to smear the blood evenly, thus affecting the blood test. Through the setting of the air cylinder, the height of the movable plate and the smear cotton can be adjusted, so that the distance between smears can be adjusted, thus better smearing. When the smear cotton smears the glass slide, by using the spring-back effect of the damping return rod, the smear cotton is closely attached to the glass slide, and can be well attached together for smearing, making the thickness of the smeared blood consistent. The settings of the micro motor and the second screw rod can drive the smear cotton to smear back and forth on the surface of the glass slide, liberating the hands of medical staff and improving the smearing efficiency.

[0004] Although the above test smear device solves certain problems, it still has the following disadvantages:

[0005] (1) When observing and inspecting the glass slide through a microscope to observe cells and the like on the glass slide, the observation area is a part of the middle area of the glass slide. This kind of smear device smears the entire glass slide, easily causing the test liquid to be squeezed to the edge of the glass slide or smeared to other places, affecting the safety of the test environment.

[0006] (2) Only by moving the smear cotton back and forth to smear the test liquid on the glass slide, it is easy to cause uneven smearing, and the test liquid is easily squeezed and scraped to both sides when the smear cotton moves. Summary of the Utility Model

[0007] The purpose of the utility model is to provide a test smearer.

[0008] To achieve the above purpose, the utility model is realized through the following technical solutions:

[0009] A test smearer includes:

[0010] Mounting plate, a coating limiting ring is provided on the lower side of the mounting plate, and a number of uniformly distributed connecting rods are provided between the mounting plate and the coating limiting ring. A rotating shaft is rotatably connected to the lower side of the mounting plate, an eccentric rod is fixedly connected to one side of the rotating shaft, and a coating eccentric shaft is provided at the end of the eccentric rod far from the rotating shaft;

[0011] Linkage drive assembly, the linkage drive assembly is provided between the mounting plate and the coating eccentric shaft. The linkage drive assembly includes a fixed gear, a planetary gear and a micro motor. The fixed gear is fixedly connected to the lower side of the mounting plate, the rotating shaft is rotatably connected to the fixed gear, the planetary gear is fixedly connected to the upper end of the coating eccentric shaft, and the fixed gear meshes with the planetary gear. The micro motor is fixedly connected to the upper side of the mounting plate and is adapted to the rotating shaft;

[0012] Coating assembly, the coating assembly is provided between the rotating shaft and the coating eccentric shaft;

[0013] Baffle plates, the baffle plates are respectively fixedly connected to both sides of the lower end of the outer part of the mounting plate. A protective box is fixedly connected to the upper end of the mounting plate. A handle is provided at the rear side of the mounting plate, and both sides of the front end under the handle are respectively fixedly connected to both sides of the upper end of the mounting plate;

[0014] Clamping assembly, the clamping assembly is provided between the baffle plates.

[0015] Further, the coating assembly includes:

[0016] Connecting plates, the connecting plates are respectively fixedly connected to the lower ends of the rotating shaft and the coating eccentric shaft;

[0017] Coating cotton pads, the coating cotton pads are attached to the lower side of the connecting plates by magic tapes.

[0018] Further, the clamping assembly includes:

[0019] Clamping plates, the clamping plates are respectively arranged on one side of the baffle plates close to each other;

[0020] Guide rods, the guide rods are respectively fixedly connected to the front and rear of the mutually remote sides of the clamping plates, and the guide rods are all slidably connected in the small holes opened on the front and rear of the mutually close sides of the baffle plates;

[0021] Clamping springs, the clamping springs are all sleeved outside the guide rods, and the clamping springs are located between the mutually remote sides of the clamping plates and the mutually close sides of the baffle plates.

[0022] Further, anti - detachment blocks are fixedly connected to the other ends of the guide rods connecting the clamping plates on the mutually remote sides of the baffle plates.

[0023] Furthermore, the upper ends of the connecting rods are fixedly connected to the lower side of the mounting plate, the lower ends of the connecting rods are fixedly connected to the upper ends of the outer part of the coating limit ring, and the coating eccentric shaft is rotatably connected to the eccentric rod.

[0024] The utility model provides a test smearer, which has the following beneficial effects:

[0025] (1) The detection liquid to be smeared is circled in the middle position of the glass slide through the coating limit ring, and the rotating shaft rotates and the coating eccentric shaft rotates around to smear the detection liquid, and the detection liquid is smeared in the middle area of the detection, so as to avoid the detection liquid being squeezed to the outside of the glass slide and causing pollution to the detection environment.

[0026] (2) The connecting plate at the lower end of the rotating shaft rotates, and the coating cotton sheet at the lower end of the rotating shaft rotates to smear the middle, and at the same time spreads the detection liquid in the middle. The coating cotton sheet at the lower end of the coating eccentric shaft can also rotate by itself while rotating around, and smears the detection liquid spread to the outer edge of the middle coating cotton sheet, ensuring that the detection liquid is smeared more evenly. Description of the Drawings

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained according to the provided drawings.

[0028] Figure 1 is a three-dimensional view of a test smearer of the present invention Figure 1 .

[0029] Figure 2 is a three-dimensional view of a test smearer of the present invention Figure 2 .

[0030] Figure 3 is a partial three-dimensional view of a test smearer of the present invention Figure 1 .

[0031] Figure 4 is a partially enlarged three-dimensional view of a test smearer of the present invention.

[0032] Indications in the figure: 1. Mounting plate; 2. Linked driving assembly; 201. Fixed gear; 202. Planetary gear; 203. Micro motor; 3. Smearing assembly; 301. Connecting plate; 302. Smearing cotton sheet; 4. Baffle; 5. Clamping assembly; 501. Clamping plate; 502. Guide rod; 503. Clamping spring; 6. Smearing limit ring; 7. Connecting rod; 8. Rotating shaft; 9. Eccentric rod; 10. Smearing eccentric rotating shaft; 11. Protection box; 12. Handle; 13. Anti-detachment block. Detailed implementation

[0033] Here, the exemplary embodiments will be described in detail, and the examples are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. On the contrary, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0034] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0035] Embodiment 1:

[0036] As Figures 1 to 4 shown, this embodiment proposes a smear checker, including a mounting plate 1, a linked driving assembly 2, a smearing assembly 3, a baffle 4, a clamping assembly 5, a smearing limit ring 6, a connecting rod 7, a rotating shaft 8, an eccentric rod 9, a smearing eccentric rotating shaft 10, a protection box 11, and a handle 12 provided at the rear side of the mounting plate 1.

[0037] Among them, the installation plate 1 with a circular shape in the middle of the long strip is fixedly connected with four evenly distributed connecting rods 7 at the exact middle position on the lower side. A smear limiting ring 6 is arranged on the lower side of the installation plate 1 to limit the smearing range, ensuring that after smearing the sample, it is within this circle. The lower ends of the connecting rods 7 are all fixedly connected to the upper side of the smear limiting ring 6. A rotating shaft 8 is rotatably connected to the lower side of the installation plate 1. An eccentric rod 9 is fixedly connected to one side of the rotating shaft 8. A smear deflecting shaft 10 is arranged on the eccentric rod 9. The smear deflecting shaft is vertically arranged and is rotatably connected to the other end of the eccentric rod 9 where it is connected to the rotating shaft 8. Circular connecting plates 301 are fixedly connected to the lower ends of the rotating shaft 8 and the smear deflecting shaft 10 respectively. The two connecting plates 301 just fill up the space inside the smear limiting ring 6. Circular smear cotton sheets 302 are pasted on the lower sides of the two connecting plates 301 through Velcro, which facilitates the disassembly and replacement of the smear cotton sheets 302. When the rotating shaft 8 rotates, the smear deflecting shaft 10 orbits around the rotating shaft 8.

[0038] The smear cotton sheet 302 at the lower end of the rotating shaft 8 smears the middle position, and the smear cotton sheet 302 at the lower end of the smear deflecting shaft 10 smears the position at the inner edge of the smear limiting ring 6. A protective box 11 is fixedly connected to the upper side of the installation plate 1. The protective box 11 protects the micro motor 203. To facilitate the grasping of the installation plate 1, a handle 12 is arranged at the rear side of the installation plate 1. The two sides at the lower front end of the handle 12 are respectively fixedly connected to the two sides on the upper side of the installation plate 1. Clamping plates 4 are fixedly connected to both sides at the lower end of the installation plate 1. The glass slides to be smeared are clamped and fixed through the clamping components 5 arranged on the clamping plates 4, reducing the contact with the hands.

[0039] A battery is arranged inside the protective box 11 to supply power to the micro motor 203. The micro motor 203 drives the rotating shaft 8 to rotate. While the rotating shaft 8 rotates, it drives the smear deflecting shaft 10 to orbit around the rotating shaft 8 through the eccentric rod 9. When the rotating shaft 8 rotates, the planetary gear 202 at the upper end of the smear deflecting shaft 10 will drive the smear deflecting shaft 10 to rotate due to meshing with the fixed gear 201. In this way, the smear deflecting shaft 10 orbits while rotating, and smears the detection liquid inside the smear limiting ring 6 evenly.

[0040] Embodiment 2:

[0041] The solution in Embodiment 1 will be further introduced below in combination with the specific working mode. See the following description for details:

[0042] To facilitate the clamping and fixing of the glass slide to be smeared, clamping plates 501 are provided on the sides of the baffle 4 close to each other. A guide rod 502 is fixedly connected to the front and back of the sides of the clamping plates 501 away from each other. The guide rods 502 are slidably connected to the inside of the small holes opened in the front and back of the sides of the baffle 4 close to each other. A clamping spring 503 is sleeved on each guide rod 502. The clamping spring 503 is between the side of the clamping plate 501 away from each other and the side of the baffle 4 close to each other. The clamping spring 503 squeezes the clamping plates 501 to approach each other, and the clamping plates 501 clamp the glass slide. The lower side of the smearing limit ring 6 contacts the upper side surface of the glass slide to ensure uniform external force applied to the glass slide. The other ends of the guide rods 502 connected to the clamping plates 501 are fixedly connected with an anti-detachment block 13 to prevent the guide rods 502 from falling off the baffle 4.

[0043] The electrical components appearing in this text are all electrically connected to the external main controller and battery, and the main controller can be a conventional known device such as a computer for control. In the specific implementation manner of the present disclosure, the detailed description of known functions and known components is omitted. To ensure the compatibility of the device, the operation means adopted are consistent with the parameters of market instruments.

[0044] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A smear tester, characterized in that: Comprising: An installation plate (1), a coating limiting ring (6) is arranged on the lower side of the installation plate (1), and a plurality of uniformly distributed connecting rods (7) are arranged between the installation plate (1) and the coating limiting ring (6). A rotating shaft (8) is rotatably connected to the lower side of the installation plate (1). One side of the rotating shaft (8) is fixedly connected with an eccentric rod (9), and a coating eccentric shaft (10) is arranged at the end of the eccentric rod (9) far away from the rotating shaft; A linkage driving component (2) is arranged between the installation plate (1) and the coating eccentric shaft (10). The linkage driving component (2) includes a fixed gear (201), a planetary gear (202) and a micro motor (203). The fixed gear (201) is fixedly connected to the lower side of the installation plate (1). The rotating shaft (8) is rotatably connected to the fixed gear (201). The planetary gear (202) is fixedly connected to the upper end of the coating eccentric shaft (10), and the fixed gear (201) is meshed with the planetary gear (202). The micro motor (203) is fixedly connected to the upper side of the installation plate (1), and the micro motor (203) is adapted to the rotating shaft (8); A coating component (3) is arranged between the rotating shaft (8) and the coating eccentric shaft (10); A baffle (4) is respectively fixedly connected to both sides of the lower end of the outside of the installation plate (1). A protective box (11) is fixedly connected to the upper end of the installation plate (1). A handle (12) is arranged at the rear side of the installation plate (1), and both sides of the front end under the handle (12) are respectively fixedly connected to both sides of the upper end of the installation plate (1); A clamping component (5) is arranged between the baffles (4).

2. The smear tester according to claim 1, wherein: The coating component (3) includes: A connecting plate (301) is respectively fixedly connected to the lower ends of the rotating shaft (8) and the coating eccentric shaft (10); Coating cotton pads (302) are attached to the lower side of the connecting plate (301) by magic tapes.

3. The smear checker according to claim 1, wherein: The clamping component (5) includes: Clamping plates (501) are respectively arranged on the sides of the baffles (4) close to each other; Guide rods (502) are respectively fixedly connected to the front and rear of the sides of the clamping plates (501) far away from each other. The guide rods (502) are slidably connected to the small holes opened in the front and rear of the sides of the baffles (4) close to each other; Clamping springs (503) are respectively sleeved on the outside of the guide rods (502). The clamping springs (503) are located between the sides of the clamping plates (501) far away from each other and the sides of the baffles (4) close to each other.

4. The smear checker according to claim 3, characterized in that: Anti - detachment blocks (13) are fixedly connected to the other ends of the guide rods (502) connecting the clamping plates (501) to the sides of the baffles (4) far away from each other.

5. A smear checker according to claim 1, characterized in that: The upper ends of the connecting rods (7) are respectively fixedly connected to the lower side of the installation plate (1), the lower ends of the connecting rods (7) are respectively fixedly connected to the upper end of the outside of the coating limiting ring (6), and the coating eccentric shaft (10) is rotatably connected to the eccentric rod (9).

Citation Information

Patent Citations

  • Inspection smear device

    CN220154037U