Smear device for clinical medical examination

Abstract

The invention discloses a smear device for clinical medical examination, and belongs to the technical field of smears for clinical medical examination, the smear device for clinical medical examination comprises an examination table and a support frame fixed on the examination table, a glass slide is fixedly mounted on the support frame, a glass slide is mounted in the glass slide in an embedded manner, and the glass slide is fixed on the examination table. An electric sliding rail assembly is fixedly installed on the inspection table, the sliding end of the electric sliding rail assembly is connected with a movable frame, the movable frame is longitudinally and slidably sleeved with a lifting frame, a steering support is rotationally installed on the lifting frame, and a pushing piece is fixedly installed in the steering support through a bolt. An inspection mechanism for movably shooting smear uniformity is arranged on the inspection table, and a speed limiting mechanism for limiting the smear speed and keeping the smear uniformity is further arranged on the inspection table; in the smear process, the smear and camera monitoring are kept consistent, the smear speed can be adjusted in time according to the uniformity of the monitored smear, and the quality of the prepared smear is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of clinical medical examination smears, in particular to a smear device for clinical medical examinations. Background Art

[0002] Smears used in clinical medical examinations are microbial specimens fixed on glass slides to facilitate subsequent staining and microscopic observation. There are various methods for making smears. Depending on the sample type and detection requirements, direct smear method, hanging drop method, thick smear method, etc. can be used. The quality of the smear affects the subsequent inspection and observation of microorganisms.

[0003] For example, the patent with publication number CN118464569B discloses a smear device for medical testing, including a shell, a smear platform and a dripping mechanism; the dripping mechanism includes a dripping tube, a secondary tube and an outer tube; the dripping tube is mounted on the shell so as to be rotatable around a first direction, the secondary tube is coaxially arranged with the dripping tube and is sleeved inside the dripping tube, the outer tube is coaxially arranged with the dripping tube and is sleeved outside the dripping tube, and the rotation of the dripping tube around the first direction can respectively cause the secondary tube and the outer tube to move along the first direction; by arranging the shell, the smear platform and the dripping mechanism in coordination, the rotation of the dripping tube and the airflow are utilized to cause the liquid to be tested to drip, and at the same time, the centrifugal force generated by the rotation of the droplets of the liquid to be tested can weaken the rebound caused by the surface tension after the droplets land on the smear platform, thereby reducing the loss of the liquid to be tested caused by the rebound and splashing of the droplets.

[0004] For example, the patent with publication number CN116990099B discloses a smearer for medical testing, including a forward and reverse speed-changing rotating liquid homogenizing mechanism, a detachable sample liquid holding cylinder, an automatic coating device, a smear thickness limiting device, a glass slide placement piece and a smear box. Since the existing smearer is difficult to control the smear thickness, a method of pre-enclosing and locking extrusion to automatically control the liquid output is adopted to achieve the technical effect of automatic control of different smear thicknesses, effectively improving the quality of the inspection; since the smearer cannot shake the sample during smearing, resulting in inconsistent sample uniformity and affecting the accuracy of the inspection, a method of continuous forward and reverse speed-changing rotating liquid homogenizing is adopted to maintain the technical effect of continuous and uniform sample liquid uniformity, further improving the accuracy of the inspection.

[0005] For example, the patent publication number CN213580331U discloses a clinical medical detection smear device, including a smear device, a sampling head and a processor. A battery is installed on the left side of the smear device, and an electric lifting device is installed on the right side of the battery. The electric lifting device can be controlled by the control button set on the middle outer wall of the smear device to quickly absorb and push out the test sample. The operation is simple and easy to use. The one-way valve set in the inner cavity of the joint can effectively control the test sample to enter the inner cavity of the smear device to affect the accuracy of the next test. The guide groove set on the surface of the scraper can make the scraper uniformly transport the test sample, so that the coating is uniform, and then The accuracy of the test is increased. The smear device is connected to the joint on the left side of the sampling head so that the sampling head can be replaced after use, which can ensure that the sample tested this time will not affect the sample tested next time, thereby improving the accuracy of the test. When preparing smears in medical treatment, pushing the smear too fast will cause the smear to become thicker, because pushing the smear too fast will cause the sample to accumulate on the slide, thereby forming a thicker smear, which will affect the distribution and morphological observation of microorganisms, and thus affect the microscopic examination results. In addition, in the existing smear preparation process, the thickness, uniformity and microbial distribution of the smear cannot be monitored, and the smear operation cannot be adjusted in time, which increases the unqualified rate of the smear.

[0006] In view of the above problems, it is urgent to carry out innovative design based on the original clinical medical examination smear device. Summary of the Invention

[0007] The object of the present invention is to provide a smear device for clinical medical examination to solve the problem mentioned in the above background technology that pushing the smear too fast will cause the smear to become thicker, because pushing the smear too fast will cause the sample to accumulate on the slide, thereby forming a thicker smear, affecting the distribution and morphological observation of microorganisms, and further affecting the microscopic examination results.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a smear device for clinical medical testing, comprising a test table and a support frame fixed on the test table, a glass slide fixedly mounted on the support frame, a glass slide embedded in the glass slide, an electric slide assembly fixedly mounted on the test table, a sliding end of the electric slide assembly is connected to a moving frame, a longitudinal sliding sleeve on the outer side of the moving frame is provided with a lifting frame, a steering bracket is rotatably mounted on the lifting frame, a push piece is fixedly mounted in the steering bracket by bolts; an inspection mechanism for moving and photographing the uniformity of the smear is provided on the test table, and a speed limiting mechanism for limiting the smear speed to maintain the uniformity of the smear is also provided on the test table; during the smearing process, as the push piece moves, the camera moves laterally synchronously with the push piece moving speed, and the camera photographs whether the surface smear of the glass slide is uniform through the glass slide. If the smear uniformity is poor, the angle and speed of the push piece need to be adjusted in time.

[0009] Preferably, a threaded rod is rotatably connected to the movable frame, and the lifting frame is threadedly sleeved on the outside of the threaded rod.

[0010] Preferably, a drying sheet is rotatably installed on the side of the lifting frame away from the push sheet, and a heating tube is embedded in the drying sheet; the drying sheet and the steering bracket are both connected with transmission gears along the direction of the rotating shaft, and the two sets of transmission gears are meshed and connected.

[0011] Preferably, the inspection mechanism includes a guide slot provided on the support frame, a guide slider is slidably installed in the guide slot, and a support frame is fixedly installed at the bottom of the guide slider; a camera is rotatably installed on the support frame, and the camera shooting angle is tilted toward the slide.

[0012] Preferably, a cam is connected to the bottom of the camera along the direction of the rotation axis, and a slide rod is fixed off-center on the cam; a curved slide groove is opened on the inspection table along the smear direction, and the slide rod is slidably connected to the curved slide groove.

[0013] Preferably, the speed limiting mechanism includes a power frame rotatably mounted on a steering bracket, to which a convex rod is fixedly connected; a fixed seat is fixedly connected to a side of the steering bracket away from the power frame, to which an electric telescopic rod is rotatably connected, and an output end of the electric telescopic rod is rotatably connected to the convex rod.

[0014] Preferably, the speed limiting mechanism further comprises a pressure block longitudinally slidably mounted on the guide slider, and the pressure block is protrudingly arranged on the upper end surface of the guide slider.

[0015] Preferably, a limiting groove is provided on the power frame, and the power frame is connected to the pressing block by snapping through the limiting groove.

[0016] Preferably, a cylindrical rod is fixedly installed at the bottom of the pressure block, and the cylindrical rod is longitudinally slidably connected to the guide slider; a circular groove is symmetrically opened in the guide slider about the cylindrical rod, and a speed limiting disk is slidably connected in the circular groove, and the surface of the speed limiting disk is in contact with the inner wall of the guide groove.

[0017] Preferably, the guide slider is provided with an embedded slide groove, and a slide is slidably connected in the embedded slide groove, and the slide is fixedly connected to the bottom of the speed limit disc; the ends of the two sets of speed limit discs close to each other are inclined, and the bottom of the cylindrical rod is in contact with the inclined surface of the speed limit disc.

[0018] Compared with the existing technology, the beneficial effects of the present invention are: the smear device for clinical medical testing places the glass slide in a glass slide, drips microbial testing liquid on the surface of the glass slide, adjusts the angle and height of the pusher so that the pusher fits on the microbial testing liquid, and pushes the liquid evenly distributed on the glass slide through the pusher to complete the smear operation.

[0019] Furthermore, a mobile inspection mechanism for photographing the uniformity of smears is provided on the inspection table. During the smearing process, as the slide moves, the camera moves laterally synchronously with the slide movement speed. The camera photographs whether the surface smear is uniform through the slide. If the smear uniformity is poor, the angle and speed of the slide need to be adjusted in time.

[0020] When the camera moves laterally, the sliding bar at its bottom bends along the direction of the curved slide groove, and the cam drives the camera to rotate back and forth left and right, thereby expanding the camera's shooting range and enabling the camera to more clearly capture the uniformity of the smear on the slide surface.

[0021] Furthermore, the inspection table is also provided with a speed limiting mechanism that limits the smear speed to maintain the uniformity of the smear, and controls the rotation angle of the power frame so that when the push piece is in contact with the surface of the slide, the power frame is engaged with the outside of the pressure block through the limiting groove, so that during the lateral movement of the push piece, the camera below can be driven to move synchronously laterally to maintain the consistency of smearing and video recording.

[0022] The force of the power frame pressing on the surface of the pressure block is controlled to push the pressure block downward. The pressure block drives the cylindrical rod to press on the inclined surface of the speed limiter, so that the speed limiter moves toward the outside of the guide slider. The speed limiter is squeezed and fitted on the inner wall of the guide chute, which can limit the moving speed of the guide slider in the guide chute, thereby limiting the speed of the smear and avoiding uneven distribution of the liquid due to excessive smearing speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the inspection platform of the present invention.

[0024] Figure 2 It is a schematic diagram of the sheet pushing structure of the present invention.

[0025] Figure 3 Schematic diagram of the glass slide structure of the present invention.

[0026] Figure 4 It is a structural schematic diagram of the drying sheet of the present invention.

[0027] Figure 5 Schematic diagram of the camera structure of the present invention.

[0028] Figure 6 This is a schematic diagram of the curved chute structure of the present invention.

[0029] Figure 7 Schematic diagram of the sliding rod structure of the present invention.

[0030] Figure 8 This is a structural schematic diagram of the guide slider of the present invention.

[0031] Figure 9 This is a structural schematic diagram of the speed limiting disc of the present invention.

[0032] Figure 10 It is a schematic diagram of the power frame structure of the present invention.

[0033] Figure 11 It is a schematic diagram of the briquetting structure of the present invention.

[0034] Figure 12 It is a schematic diagram of the cylindrical rod structure of the present invention.

[0035] Figure 13 Schematic diagram of the sliding structure of the present invention.

[0036] In the figure: 1. Inspection table; 2. Support frame; 3. Glass carrier; 4. Glass slide; 5. Electric slide assembly; 6. Moving frame; 7. Lifting frame; 8. Steering bracket; 9. Push plate; 10. Threaded rod; 11. Drying plate; 12. Heating tube; 13. Transmission gear; 14. Guide slide; 15. Guide slider; 16. Support frame; 17. Camera; 18. Cam; 19. Slide; 20. Curved slide; 21. Power frame; 211. Limiting groove; 22. Protruding rod; 23. Fixed seat; 24. Electric telescopic rod; 25. Pressing block; 26. Cylindrical rod; 27. Circular groove; 28. Speed limit plate; 29. Slide; 30. Embedded slide. DETAILED DESCRIPTION

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0038] Example 1: Please refer to Figures 1-13 The present invention provides the following technical solutions: A smear device for clinical medical examination, comprising a test table 1 and a support frame 2 fixed on the test table 1, a glass slide 3 fixedly mounted on the support frame 2, a glass slide 4 embedded in the glass slide 3, an electric slide assembly 5 fixedly mounted on the test table 1, a sliding end of the electric slide assembly 5 connected to a moving frame 6, an outer longitudinal sliding sleeve of the moving frame 6 is provided with a lifting frame 7, a steering bracket 8 is rotatably mounted on the lifting frame 7, a push piece 9 is fixedly mounted in the steering bracket 8 by bolts; a smear uniformity inspection mechanism is provided on the test table 1, and a speed limiting mechanism is also provided on the test table 1 to limit the smear speed and maintain the smear uniformity.

[0039] A threaded rod 10 is rotatably connected to the moving frame 6 , and the lifting frame 7 is threadedly sleeved on the outside of the threaded rod 10 .

[0040] A drying sheet 11 is rotatably mounted on the lifting frame 7 away from the push sheet 9, and a heating tube 12 is embedded in the drying sheet 11; transmission gears 13 are connected to the drying sheet 11 and the steering bracket 8 along the rotating shaft direction, and the two sets of transmission gears 13 are meshed and connected.

[0041] The inspection mechanism includes a guide groove 14 opened on the support frame 2, in which a guide slider 15 is slidably installed, and a support frame 16 is fixedly installed at the bottom of the guide slider 15; a camera 17 is rotatably installed on the support frame 16, and the shooting angle of the camera 17 is tilted toward the slide 4.

[0042] A cam 18 is connected to the bottom of the camera 17 along the rotation axis, and a slide rod 19 is fixed eccentrically on the cam 18; a curved slide groove 20 is opened on the inspection table 1 along the smear direction, and the slide rod 19 is slidably connected to the curved slide groove 20.

[0043] The sterilized slide 4 is placed in the slide 3, and the liquid sample is dropped on the surface of the slide 4 through a dropper or other tools. Then the angle of the push piece 9 is adjusted, and the motor on the side of the lifting frame 7 is operated to control the steering bracket 8 to rotate. The steering bracket 8 drives the push piece 9 to rotate synchronously, and the smear angle of the push piece 9 is adjusted. At the same time, the steering bracket 8 is engaged with the transmission gear 13 on the side of the drying piece 11. Under the gear engagement transmission, the drying piece 11 and the steering bracket 8 rotate in opposite directions. When the push piece 9 moves to fit on the surface of the slide 4, the push piece 9, the drying piece 11 and the slide 4 roughly form a triangular area. During the smearing process, the heating tube 12 on the drying piece 11 is turned on to control the heating temperature. The specimen during the smearing process can be heated, so that the specimen after smearing can be quickly dried and formed.

[0044] First, operate the electric slide assembly 5 to control the horizontal movement of the movable frame 6, adjust the push piece 9 to the uppermost position of the liquid sample on the surface of the glass slide 4, and then operate the motor on the movable frame 6 to control the rotation of the threaded rod 10. Under the threaded transmission, the lifting frame 7 is controlled to move downward, and the lifting frame 7 drives the push piece 9 to move downward synchronously, so that the push piece 9 is attached to the surface of the glass slide 4, and the liquid sample is distributed at the oblique angle of the push piece 9. Under the power of the electric slide assembly 5, the push piece 9 is attached to the surface of the glass slide 4 and moves horizontally, so that the liquid sample can be evenly distributed on the surface of the glass slide 4 to achieve medical smear.

[0045] While smearing, the guide slider 15 slides in a direction along the guide groove 14, and the guide slider 15 drives the supporting bracket 16 and the camera 17 below to move synchronously. The moving speed of the camera 17 is consistent with the moving speed of the push piece 9, so that the camera 17 can capture the smear distribution on the surface of the slide 4 through the slide 4 and judge the uniformity of the smear in real time.

[0046] During the movement of the camera 17, the slide bar 19 below the camera 17 moves in a curve along the opening direction of the curved slide groove 20. The curved movement of the slide bar 19 drives the cam 18 and the camera 17 to rotate back and forth, expanding the shooting range of the camera 17, so that the camera 17 can more comprehensively monitor the distribution of smears on the surface of the slide 4.

[0047] Example 2: Based on Example 1, a speed limiting mechanism is also disclosed, and its specific structure is as follows: the speed limiting mechanism includes a power frame 21 rotatably mounted on the steering bracket 8, and a protruding rod 22 is fixedly connected to the power frame 21; a fixed seat 23 is fixedly connected to the side of the steering bracket 8 away from the power frame 21, and an electric telescopic rod 24 is rotatably connected to the fixed seat 23, and the output end of the electric telescopic rod 24 is rotatably connected to the protruding rod 22.

[0048] The speed limiting mechanism further includes a pressing block 25 longitudinally slidably mounted on the guide slider 15 , and the pressing block 25 protrudes from the upper end surface of the guide slider 15 .

[0049] A limiting groove 211 is defined on the power frame 21 , and the power frame 21 is engaged and connected with the pressing block 25 via the limiting groove 211 .

[0050] A cylindrical rod 26 is fixedly installed at the bottom of the pressure block 25, and the cylindrical rod 26 is longitudinally slidably connected to the guide slider 15; a circular groove 27 is symmetrically opened in the guide slider 15 about the cylindrical rod 26, and a speed limit plate 28 is slidably connected in the circular groove 27, and the surface of the speed limit plate 28 is in contact with the inner wall of the guide groove 14.

[0051] An embedded slide groove 30 is provided in the guide slider 15, and a slide plate 29 is slidably connected in the embedded slide groove 30, and the slide plate 29 is fixedly connected to the bottom of the speed limit disc 28; the ends of the two sets of speed limit discs 28 that are close to each other are inclined, and the bottom of the cylindrical rod 26 is in contact with the inclined surface of the speed limit disc 28.

[0052] When controlling the push piece 9 to move and fit onto the surface of the glass slide 4, the rotation angle of the power frame 21 on the side of the push piece 9 is adjusted, and the length of the electric telescopic rod 24 connected between the fixed seat 23 and the protruding rod 22 is operated to drive the protruding rod 22 and the power frame 21 to rotate. After adjusting the angle of the power frame 21, the push piece 9 is controlled to move downward. When the push piece 9 fits onto the surface of the glass slide 4, the power frame 21 is engaged on the top of the pressure block 25 through the limit groove 211, so that in the process of the push piece 9 moving horizontally for smearing, the pressure block 25, the guide slider 15, the support frame 16 and the camera 17 can be mobilized to move synchronously, thereby maintaining the consistency of smearing and video monitoring.

[0053] According to the uniformity of smear distribution during video monitoring, the speed of smear can be adjusted, and the power frame 21 can be controlled to press and rotate on the surface of the pressing block 25, pushing the pressing block 25 to move downward (under normal conditions, the end faces of the two speed limiting disks 28 are respectively squeezed and restricted by the guide chute 14, and the speed limiting disk 28 is supported under the cylindrical rod 26, which can limit the height of the cylindrical rod 26 and the pressing block 25). The pressing block 25 drives the cylindrical rod 26 to move downward synchronously, and the cylindrical rod 26 moves downward to squeeze the inclined surface of the speed limiting disk 28, pushing the speed limiting disk 28 to move in the direction close to the inner wall of the guide chute 14. The greater the force of the speed limiting disk 28 squeezing on the guide chute 14, the greater the friction force of the guide slider 15 moving in the guide chute 14, thereby limiting the speed of the guide slider 15, thereby adjusting the smear speed, and avoiding the situation where the smear speed is too fast and the microorganisms are unevenly distributed.

[0054] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0055] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A smear device for clinical medical examination, comprising an examination table (1) and a support frame (2) fixed on the examination table (1), a glass slide (3) fixedly mounted on the support frame (2), a glass slide (4) embedded in the glass slide (3), characterized in that: An electric slide assembly (5) is fixedly mounted on the inspection table (1), a sliding end of the electric slide assembly (5) is connected to a moving frame (6), an outer longitudinal sliding sleeve of the moving frame (6) is provided with a lifting frame (7), a steering bracket (8) is rotatably mounted on the lifting frame (7), and a push piece (9) is fixedly mounted in the steering bracket (8) by bolts; The inspection platform (1) is provided with an inspection mechanism for moving and photographing the uniformity of the smear, and the inspection platform (1) is also provided with a speed limiting mechanism for limiting the smear speed to maintain the uniformity of the smear.

2. A smear device for clinical medical examination according to claim 1, characterized in that: The movable frame (6) is rotatably connected to a threaded rod (10), and the lifting frame (7) is threadably sleeved on the outside of the threaded rod (10).

3. A smear device for clinical medical examination according to claim 2, characterized in that: A drying sheet (11) is rotatably mounted on the lifting frame (7) at a side away from the push sheet (9), and a heating tube (12) is embedded in the drying sheet (11); The drying sheet (11) and the steering bracket (8) are both connected with transmission gears (13) along the rotation axis direction, and the two sets of transmission gears (13) are meshed and connected.

4. A smear device for clinical medical examination according to claim 1, characterized in that: The inspection mechanism includes a guide slot (14) provided on the support frame (2), a guide slider (15) being slidably mounted in the guide slot (14), and a support frame (16) being fixedly mounted on the bottom of the guide slider (15); A camera (17) is rotatably mounted on the support frame (16), and a shooting angle of the camera (17) is tilted toward the slide glass (4).

5. A smear device for clinical medical examination according to claim 4, characterized in that: The bottom of the camera (17) is connected to a cam (18) along the direction of the rotation axis, and a slide bar (19) is fixed off-center on the cam (18); The inspection table (1) is provided with a curved chute (20) along the smear direction, and the slide rod (19) is slidably connected to the curved chute (20).

6. A smear device for clinical medical examination according to claim 1, characterized in that: The speed limiting mechanism comprises a power frame (21) rotatably mounted on a steering bracket (8), and a protruding rod (22) is fixedly connected to the power frame (21); A fixed seat (23) is fixedly connected to a side of the steering bracket (8) away from the power frame (21), and an electric telescopic rod (24) is rotatably connected to the fixed seat (23). The output end of the electric telescopic rod (24) is rotatably connected to the protruding rod (22).

7. A smear device for clinical medical examination according to claim 6, characterized in that: The speed limiting mechanism further comprises a pressing block (25) longitudinally slidably mounted on the guide slider (15), wherein the pressing block (25) is protrudingly arranged on the upper end surface of the guide slider (15).

8. A smear device for clinical medical examination according to claim 7, characterized in that: A limiting groove (211) is provided on the power frame (21), and the power frame (21) is engaged and connected with the pressing block (25) via the limiting groove (211).

9. The smear device for clinical medical examination according to claim 7, characterized in that: A cylindrical rod (26) is fixedly mounted on the bottom of the pressing block (25), and the cylindrical rod (26) is longitudinally slidably connected to the guide slider (15); A circular groove (27) is symmetrically provided in the guide slide block (15) about the cylindrical rod (26), and a speed limiting disk (28) is slidably connected in the circular groove (27). The surface of the speed limiting disk (28) is in contact with the inner wall of the guide slide groove (14).

10. The smear device for clinical medical examination according to claim 9, characterized in that: The guide slider (15) is provided with an embedded sliding groove (30), and a sliding plate (29) is slidably connected in the embedded sliding groove (30), and the sliding plate (29) is fixedly connected to the bottom of the speed limiting plate (28); The ends of the two sets of speed limiting disks (28) that are close to each other are both inclined, and the bottom of the cylindrical rod (26) is in contact with the inclined surface of the speed limiting disk (28).

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