Stable tear collection device

Abstract

The utility model discloses a stable tear fluid collecting device which comprises a tear fluid collecting seat used for collecting tear fluid, a height adjusting air cylinder used for adjusting the height of the tear fluid collecting seat and a length adjusting air cylinder used for adjusting the horizontal position of the tear fluid collecting seat, and a pressing device is installed on the top of the tear fluid collecting seat. The height of the tear collecting seat can be flexibly adjusted according to needs through the height adjusting air cylinder, tear collection of different people is facilitated, the horizontal position of the tear collecting seat can be accurately adjusted by vertically installing the length adjusting air cylinder on the piston rod of the height adjusting air cylinder, and the tear collecting seat is convenient to use. The pressing device installed at the top of the tear collection seat can provide stable pressure in the collection process so as to effectively collect tears, and the collection balloon serves as a main collection part, is designed to be of a hollow structure and is provided with a capillary tube, so that the tears can be smoothly sucked into the collection balloon through the capillary tube.

Description

Technical Field

[0001] The utility model relates to the technical field of ophthalmic equipment, in particular to a stable tear collection device. Background Art

[0002] Tears are an exocrine fluid produced by the lacrimal glands, which have multiple functions such as barrier, lubrication, bactericidal and immunomodulatory. Tear collection is of great significance in ophthalmic research and clinical diagnosis. Tears contain a variety of biomarkers, such as proteins, enzymes, hormones, etc. These substances play a vital role in understanding eye health, diagnosing eye diseases and evaluating treatment effects. Therefore, accurate and efficient collection of tear samples is crucial for ophthalmic research and clinical practice. Existing tear collection methods have some limitations. Traditional collection methods, such as capillary aspiration or tear test paper methods, often have problems such as insufficient collection volume, easy contamination or complicated operation. Utility Model Content

[0003] In order to solve the problems existing in the background technology, the utility model provides a stable tear collection device to solve the problems raised in the background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A stable tear collection device comprises a tear collection seat for collecting tears, a height adjustment cylinder for adjusting the height of the tear collection seat, and a length adjustment cylinder for adjusting the horizontal position of the tear collection seat, wherein a pressing device is installed on the top of the tear collection seat; the length adjustment cylinder is vertically installed on the piston rod of the height adjustment cylinder; the tear collection seat is installed on the end of the guide rod of the length adjustment cylinder; a hollow collection balloon is embedded in the end of the tear collection seat away from the guide rod, a capillary is installed on the collection balloon, a threaded connection groove is opened at the end of the tear collection seat, and a threaded connection ring seat that matches the size of the threaded connection groove and is threadedly connected is installed on the outer wall of the collection balloon.

[0006] Furthermore, a mounting base for fixing on the slit lamp stand is installed at the bottom of the height adjustment cylinder.

[0007] Furthermore, the collection balloon is made of a hollow transparent ellipsoidal medical-grade PP material with a thickness of 0.5-1 mm.

[0008] Furthermore, the diameter of the capillary is 0.1-0.3 mm.

[0009] Furthermore, the pressing device includes a pressing rod plugged into the top surface of the tear collection seat and a pressing base installed at the bottom of the pressing rod, and the bottom surface of the pressing base is in contact with the outer wall of the collection balloon.

[0010] Furthermore, a pressing plate is coaxially mounted on the top surface of the pressing rod.

[0011] Furthermore, a return spring is wound around the outer wall of the pressing rod, and the return spring is arranged between the pressing plate and the outer wall of the tear collecting seat.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In this stable tear collection device, by setting a height adjustment cylinder, the height of the tear collection seat can be flexibly adjusted as needed, which is convenient for tear collection from different groups of people. By vertically installing the length adjustment cylinder on the piston rod of the height adjustment cylinder, the horizontal position of the tear collection seat can be accurately adjusted. The pressing device installed on the top of the tear collection seat can provide stable pressure during the collection process, ensuring that the collection balloon is in close contact with the tears, thereby effectively collecting tears. The collection balloon, as the main collection component, is designed as a hollow structure and is equipped with a capillary, so that the tears can be smoothly sucked into the collection balloon through the capillary, thereby achieving efficient and lossless collection. The threaded connection groove opened at the end of the tear collection seat and the threaded connection ring seat installed on the outer wall of the collection balloon are of compatible sizes and are connected by threads, so that the collection balloon can be easily replaced and cleaned, thereby improving the practicability and hygiene of the device.

[0014] In this stable tear collection device, the bottom surface of the pressing base is in contact with the outer wall of the collection balloon. Through the cooperation of the pressing rod and the pressing base, the pressing rod can apply stable pressure to the collection balloon during the collection process. The pressing base is in contact with the outer wall of the collection balloon, ensuring uniform distribution of pressure.

[0015] In this stable tear collection device, a pressing plate is coaxially installed on the top surface of the pressing rod, and a return spring is wound on the outer wall of the pressing rod. The return spring is arranged between the pressing plate and the outer wall of the tear collection seat. The pressing plate on the top surface of the pressing rod facilitates the operation of medical personnel, and the setting of the return spring enables the pressing rod to automatically reset after the pressing plate is released, so as to facilitate the next collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural schematic diagram of a stable tear collection device of the utility model;

[0018] Figure 2It is a schematic diagram of the cross-sectional structure of the tear collection seat of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional exploded structure of the tear collection seat of the utility model.

[0020] The meaning of each number in the figure:

[0021] 10. Height lifting cylinder; 11. Piston rod; 12. Mounting base;

[0022] 20. Length adjustment cylinder; 21. Guide rod;

[0023] 30. Tear collection seat; 31. Collection balloon; 32. Capillary tube; 33. Threaded connection ring seat; 34. Threaded connection groove;

[0024] 40. Pressing device; 41. Pressing rod; 42. Pressing base; 43. Pressing plate; 44. Return spring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1 to Figure 3As shown, a stable tear collection device comprises a tear collection seat 30 for collecting tears, a height adjustment cylinder 10 for adjusting the height of the tear collection seat 30, and a length adjustment cylinder 20 for adjusting the horizontal position of the tear collection seat 30. A pressing device 40 is installed on the top of the tear collection seat 30; the length adjustment cylinder 20 is vertically installed on the piston rod 11 of the height adjustment cylinder 10; the tear collection seat 30 is installed at the end of the guide rod 21 of the length adjustment cylinder 20; a hollow collection balloon 31 is embedded in the end of the tear collection seat 30 away from the guide rod 21, a capillary 32 is installed on the collection balloon 31, a threaded connection groove 34 is opened at the end of the tear collection seat 30, and a threaded connection ring seat 33 that matches the size of the threaded connection groove 34 and is threadedly connected is installed on the outer wall of the collection balloon 31. By arranging the height adjustment cylinder 10, the height of the tear collection seat 30 can be flexibly adjusted as needed. Flexible adjustment facilitates the tear collection of different groups of people. By vertically installing the length adjusting cylinder 20 on the piston rod 11 of the height adjusting cylinder 10, the horizontal position of the tear collecting seat 30 can be accurately adjusted. The pressing device 40 installed on the top of the tear collecting seat 30 can provide stable pressure during the collection process to ensure that the collection balloon 31 is in close contact with the tears, thereby effectively collecting the tears. The collection balloon 31 is the main collection component, which is designed as a hollow structure and is equipped with a capillary 32, so that the tears can be smoothly sucked into the collection balloon 31 through the capillary 32, thereby achieving efficient and lossless collection. The threaded connection groove 34 opened at the end of the tear collecting seat 30 and the threaded connection ring seat 33 installed on the outer wall of the collection balloon 31 are of compatible sizes and are connected by threads, so that the collection balloon 31 can be easily replaced and cleaned, thereby improving the practicability and hygiene of the device.

[0027] Furthermore, a mounting base 12 for fixing on the slit lamp stand is installed at the bottom of the height adjustment cylinder 10, so that the entire device can be stably fixed on the slit lamp stand.

[0028] Specifically, the collection balloon 31 is made of a hollow transparent ellipsoidal medical-grade PP material with a thickness of 0.5-1 mm, and has excellent transparency and durability. The balloon is marked with scales to achieve quantitative collection of tears.

[0029] It is worth noting that the diameter of the capillary 32 is 0.1-0.3 mm, which ensures that the tear fluid can smoothly pass through the capillary into the collection balloon.

[0030] Among them, the pressing device 40 includes a pressing rod 41 which is plugged into the top surface of the tear collection seat 30 and a pressing base 42 installed at the bottom of the pressing rod 41. The bottom surface of the pressing base 42 is in contact with the outer wall of the collection balloon 31. Through the cooperation between the pressing rod 41 and the pressing base 42, the pressing rod can apply stable pressure to the collection balloon during the collection process. The pressing base 42 is in contact with the outer wall of the collection balloon to ensure uniform distribution of pressure.

[0031] In addition, a pressing plate 43 is coaxially installed on the top surface of the pressing rod 41, and a return spring 44 is wound on the outer wall of the pressing rod 41. The return spring 44 is arranged between the pressing plate 43 and the outer wall of the tear collection seat 30. The pressing plate 43 on the top surface of the pressing rod facilitates the operation of medical staff, and the setting of the return spring 44 enables the pressing rod to automatically reset after the pressing plate is released, which is convenient for the next collection.

[0032] It should be noted that the utility model is a stable tear collection device, and the specific process is as follows: the medical staff ensures that the device is placed on a stable slit lamp stand, and adjusts the height adjustment cylinder 10 according to the object of tear collection. By operating the height adjustment cylinder 10, the piston rod 11 is extended and retracted, thereby driving the entire tear collection seat 30 to rise to a suitable height to adapt to the eye height of different people. The horizontal position of the tear collection seat 30 is accurately adjusted by the length adjustment cylinder 20. When the position of the tear collection seat 30 is adjusted, the pressing device 40 can be started. The pressing device 40 is located at the top of the tear collection seat 30. It will provide stable pressure during the collection process. During the collection process, the tears will be smoothly sucked into the collection balloon 31 through the capillary 32. After the collection is completed, the collection balloon 31 can be disassembled by rotating the threaded connection ring seat 33.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A stable tear collection device, characterized in that: The invention comprises a tear collection seat (30) for collecting tears, a height adjustment cylinder (10) for adjusting the height of the tear collection seat (30), and a length adjustment cylinder (20) for adjusting the horizontal position of the tear collection seat (30), wherein a pressing device (40) is installed on the top of the tear collection seat (30); the length adjustment cylinder (20) is vertically installed on the piston rod (11) of the height adjustment cylinder (10); the tear collection seat (30) is installed on the end of the guide rod (21) of the length adjustment cylinder (20); a hollow collection balloon (31) is embedded in the end of the tear collection seat (30) away from the guide rod (21), and a capillary (32) is installed on the collection balloon (31); a threaded connection groove (34) is opened at the end of the tear collection seat (30), and a threaded connection ring seat (33) that matches the size of the threaded connection groove (34) and is threadedly connected is installed on the outer wall of the collection balloon (31).

2. A stable tear collection device according to claim 1, characterized in that: A mounting base (12) for fixing on a slit lamp stand is installed at the bottom of the height adjustment cylinder (10).

3. A stable tear collection device according to claim 1, characterized in that: The collection balloon (31) is made of a hollow transparent ellipsoidal medical-grade PP material and has a thickness of 0.5-1 mm.

4. A stable tear collection device according to claim 1, characterized in that: The capillary (32) has a diameter of 0.1-0.3 mm.

5. A stable tear collection device according to claim 1, characterized in that: The pressing device (40) comprises a pressing rod (41) plugged into and matched with the top surface of the tear collection seat (30) and a pressing base (42) mounted on the bottom of the pressing rod (41), wherein the bottom surface of the pressing base (42) is in contact with the outer wall of the collection balloon (31).

6. A stable tear collection device according to claim 5, characterized in that: A pressing plate (43) is coaxially mounted on the top surface of the pressing rod (41).

7. A stable tear collection device according to claim 6, characterized in that: A return spring (44) is wound around the outer wall of the pressing rod (41), and the return spring (44) is arranged between the pressing plate (43) and the outer wall of the tear collection seat (30).

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