Meconium sample collecting and storing device
By designing a meconium collection and preservation device that includes a vacuum insulation chamber, the problems of meconium sample falling off during vibration and short preservation time under high temperature conditions were solved, achieving stable sealing of the sample and extending the preservation time.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGXIA MEDICAL UNIV
- Filing Date
- 2025-06-25
- Publication Date
- 2026-05-26
Smart Images

Figure CN224278188U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of meconium sampling technology, specifically relating to a meconium sample collection and preservation device. Background Technology
[0002] Meconium is a sticky, dark green substance, medically known as a newborn's first bowel movement. It consists of amniotic fluid, mucus, lanugo, bile, and cells shed from the skin and digestive tract.
[0003] After a newborn passes meconium, it is generally necessary to take samples of the meconium for testing to understand the newborn's health condition. The current method usually uses a sampling tube with a sealed cap and a sampling spoon for sampling. After sampling, the sampling spoon is inserted into the sampling tube and the sealed cap is tightened to preserve the meconium. However, some meconium has poor adhesion due to excessive or insufficient moisture. During the testing process, it is easy for it to fall off the sampling spoon and into the sampling tube due to vibration. This makes it inconvenient for the testing personnel to remove the meconium during testing, which greatly affects the testing efficiency. Utility Model Content
[0004] The purpose of this invention is to provide a simple and reasonably designed device for collecting and preserving meconium samples in order to solve the above problems.
[0005] This utility model achieves the above objectives through the following technical solutions:
[0006] A meconium sample collection and preservation device includes a container for sealing meconium and a screw cap screwed onto the container. An outer tube is fixedly connected to the bottom wall of the inner cavity of the screw cap. A sliding rod is slidably connected inside the outer tube. A pressure handle is fixedly connected to the top of the sliding rod. The pressure handle penetrates the top wall of the screw cap and is slidably connected to the screw cap. An elastic reset structure is provided at the connection between the pressure handle and the sliding rod. A sampling spoon is fixedly connected to the bottom end of the sliding rod. A cover plate is rotatably connected to the bottom end of the outer tube near the opening of the sampling spoon. A linkage structure for driving the cover plate to open is provided at the bottom end of the sliding rod.
[0007] As a further optimization of this utility model, the container includes an outer shell and an inner shell disposed within the outer shell. The outer shell and the inner shell are ultrasonically welded together, and a heat-insulating cavity in a vacuum state is formed between the inner wall of the outer shell and the outer wall of the inner shell.
[0008] As a further optimization of this utility model, a counterweight ring with an annular structure is provided at the bottom of the outer shell, and the counterweight ring is sleeved on the outer shell and snapped and fixed to the outer shell.
[0009] As a further optimization of this utility model, the top of the inner shell extends upward to form an outer wall with an external threaded connection portion, and a sealing gasket is fixedly connected to the top wall of the inner cavity of the screw cap, the outer diameter of the sealing gasket being equal to the inner diameter of the screw cap.
[0010] As a further optimization of this utility model, the elastic reset structure includes a spring sleeved around the top of the slide rod, the bottom end of the spring being fixed to the inner wall of the outer sleeve, and the top end of the slide rod abutting against the pressure handle.
[0011] As a further optimization of this utility model, the bottom end of the outer sleeve is provided with a notch, and two symmetrically arranged brackets are installed on the side wall of the notch. The ends of the two brackets away from the side wall of the notch are rotatably connected to the same connecting shaft, and the cover plate is rotatably connected to the brackets through the connecting shaft.
[0012] As a further optimization of this utility model, the linkage structure includes a gear fixedly connected to the middle section of the connecting shaft, and a rack fixedly connected to the bottom end of the slide rod, wherein the gear and the rack mesh with each other.
[0013] The beneficial effects of this utility model are as follows:
[0014] 1. During sampling, pressing the handle moves the sliding rod downwards, which, in conjunction with the rack and gear, causes the cover plate mounted on the connecting shaft to flip open, allowing sampling to be performed using the sampling spoon. After sampling, releasing the handle causes the spring to push the sliding rod back to its original position under its elastic force, and causes the cover plate to rotate in the opposite direction to re-close the opening of the sampling spoon, sealing the sampled feces. This avoids the problem of feces easily falling off the sampling spoon after sampling, which is inconvenient for testing personnel and affects testing efficiency, as is the case with existing sampling devices.
[0015] 2. The container is formed by ultrasonic welding of the outer shell and the inner shell. A heat-insulating cavity is formed between the outer shell and the inner shell, which can isolate external heat and greatly extend the preservation time of meconium samples in hot weather. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a utility model Figure 1 A schematic diagram of the cross-sectional structure;
[0018] Figure 3 This is a schematic diagram of the sampling key connection structure of this utility model;
[0019] Figure 4 This is a utility model Figure 3 Enlarged view of a detail at point A in the middle.
[0020] In the diagram: 1. Outer shell; 2. Inner shell; 3. Insulation cavity; 4. Counterweight ring; 5. Connecting part; 6. Screw cap; 7. Sealing gasket; 8. Outer sleeve; 9. Slide rod; 10. Pressure handle; 11. Spring; 12. Sampling spoon; 13. Notch; 14. Bracket; 15. Connecting shaft; 16. Cover plate; 17. Gear; 18. Rack; 19. Anti-accidental contact cover. Detailed Implementation
[0021] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.
[0022] Example
[0023] like Figure 1 - Figure 4 As shown, the meconium sample collection and preservation device includes a container for sealing meconium. The container includes an outer shell 1 and an inner shell 2 disposed inside the outer shell 1. The outer shell 1 and the inner shell 2 are ultrasonically welded together. A vacuum-insulated cavity 3 is formed between the inner wall of the outer shell 1 and the outer wall of the inner shell 2. The heat insulation cavity 3 can maintain the internal temperature of the inner shell 2, which can greatly extend the preservation time of meconium in hot weather.
[0024] The bottom of the outer shell 1 is provided with a counterweight ring 4 in the form of an annular structure. The counterweight ring 4 is sleeved on the outer shell 1 and snapped and fixed to the outer shell 1. The counterweight ring 4 is used to reduce the center of gravity of the container and avoid the problem of the container easily tipping over when it is placed vertically and subjected to external forces. The snap-fit connection method makes it easy to recycle and reuse the counterweight ring 4.
[0025] The inner shell 2 extends upward from the top to form an outer wall with an externally threaded connecting part 5. A screw cap 6 is screwed onto the connecting part 5. A sealing gasket 7 is fixedly connected to the top wall of the inner cavity of the screw cap 6. The outer diameter of the sealing gasket 7 is equal to the inner diameter of the screw cap 6. When the screw cap 6 is screwed onto the connecting part 5 to seal the container, the bottom end of the sealing gasket 7 can be inserted into the connecting part 5 to further improve the sealing performance and prevent meconium from being contaminated by bacteria or impurities in the external environment.
[0026] An outer sleeve 8 is fixedly connected to the bottom wall of the inner cavity of the screw cap 6. A slide rod 9 is slidably connected inside the outer sleeve 8. A pressure handle 10 is fixedly connected to the top of the slide rod 9. The pressure handle 10 penetrates the top wall of the screw cap 6 and is slidably connected to the screw cap 6, so that the user can push the slide rod 9 along the length of the outer sleeve 8 by pressing the pressure handle 10 downwards.
[0027] An elastic reset structure is provided at the connection between the pressure handle 10 and the slide rod 9. The elastic reset structure includes a spring 11 sleeved on the periphery of the top of the slide rod 9. The bottom end of the spring 11 is fixed to the inner wall of the outer sleeve 8. The top of the slide rod 9 abuts against the pressure handle 10. When the pressure handle 10 is pressed and the slide rod 9 moves down, the spring 11 will be squeezed and contracted. When the pressure handle 10 is released, the spring 11 will push the slide rod 9 back to reset under its own elastic force.
[0028] A sampling spoon 12 is fixedly connected to the bottom end of the slide rod 9 for sampling meconium. A cover plate 16 is provided at the bottom end of the outer tube 8 near the opening of the sampling spoon 12. A notch 13 is opened at the bottom end of the outer tube 8. Two symmetrically arranged brackets 14 are installed on the side wall of the notch 13. The ends of the two brackets 14 away from the side wall of the notch 13 are rotatably connected to the same connecting shaft 15. The cover plate 16 is rotatably connected to the brackets 14 through the connecting shaft 15. When the spring 11 is in the extended state, the cover plate 16 covers the opening of the sampling spoon 12.
[0029] The bottom end of the slide bar 9 is provided with a linkage structure for driving the cover plate 16 to open. The linkage structure includes a gear 17 fixedly connected to the middle section of the connecting shaft 15, and a rack 18 fixedly connected to the bottom end of the slide bar 9. The gear 17 and the rack 18 mesh with each other. When the user presses down the handle 10, the slide bar 9 moves down and drives the rack 18 to move synchronously. Since the rack 18 meshes with the gear 17, it will drive the connecting shaft 15 to rotate through the gear 17, thereby causing the cover plate 16 fixedly connected to the connecting shaft 15 to flip outward and open, making it convenient for the user to take samples.
[0030] The top wall of the screw cap 6 is also provided with a cylindrical anti-accidental contact cover 19. The anti-accidental contact cover 19 is fitted around the pressure handle 10 and fixed to the screw cap 6, which can minimize the risk of the pressure handle 10 being accidentally touched, causing the cover plate 16 to open.
[0031] It should be noted that, when using this meconium sample collection and preservation device, first unscrew the cap 6 and remove the sampling spoon 12 from the inner housing 2. Then, the user presses down the handle 10 connected to the cap 6, causing the slide rod 9 to move down. This, in conjunction with the rack 18, drives the gear 17 to rotate, thereby opening the silicone cover 16 fixed to the connecting shaft 15. At this point, the user can take a meconium sample using the sampling spoon 12. After sampling, the user releases the handle 10, at which point the spring 11, under its own elastic force, pushes the slide rod 9 to slide in the opposite direction. The cover plate 16 reverses to seal the opening of the sampling spoon 12, allowing the user to reinsert the sampling spoon 12 into the inner housing 2 and tighten the cap 6 to store the sampled meconium in the inner housing 2. Because the meconium inside the sampling spoon 12 is sealed by the cover plate 16, it cannot fall out of the sampling spoon 12. This avoids the problem that existing sampling devices often cause meconium to fall off the sampling spoon 12 due to vibration and into the sampling tube, making it inconvenient for testing personnel to remove the meconium during testing and greatly affecting testing efficiency.
[0032] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.
Claims
1. A meconium sample collection and preservation device comprising a container for sealing meconium and a screw cap (6) screwed on the container, characterized in that: An outer sleeve (8) is fixedly connected to the bottom wall of the inner cavity of the screw cap (6). A slide rod (9) is slidably connected inside the outer sleeve (8). A pressure handle (10) is fixedly connected to the top of the slide rod (9). The pressure handle (10) penetrates the top wall of the screw cap (6) and is slidably connected to the screw cap (6). An elastic reset structure is provided at the connection between the pressure handle (10) and the slide rod (9). A sampling spoon (12) is fixedly connected to the bottom end of the slide rod (9). A cover plate (16) is rotatably connected to the side of the bottom end of the outer sleeve (8) near the opening of the sampling spoon (12). A linkage structure for driving the cover plate (16) to open is provided on the bottom end of the slide rod (9).
2. The meconium sample collection and preservation device of claim 1, wherein: The container includes an outer shell (1) and an inner shell (2) disposed within the outer shell (1). The outer shell (1) and the inner shell (2) are ultrasonically welded together, and a vacuum-insulated cavity (3) is formed between the inner wall of the outer shell (1) and the outer wall of the inner shell (2).
3. The meconium sample collection and preservation device of claim 2, wherein: The bottom of the outer shell (1) is provided with a counterweight ring (4) in the shape of an annular structure. The counterweight ring (4) is sleeved on the outer shell (1) and is snapped and fixed to the outer shell (1).
4. The meconium sample collection and preservation device of claim 2, wherein: The top of the inner shell (2) extends upward to form an outer wall with an external threaded connection part (5). A sealing gasket (7) is fixedly connected to the top wall of the inner cavity of the screw cap (6). The outer diameter of the sealing gasket (7) is equal to the inner diameter of the screw cap (6).
5. The meconium sample collection and preservation device according to claim 4, characterized in that: The elastic reset structure includes a spring (11) sleeved around the top of the slide rod (9), the bottom end of the spring (11) being fixed to the inner wall of the outer sleeve (8), and the top end of the slide rod (9) abutting against the pressure handle (10).
6. The meconium sample collection and preservation device according to claim 1, characterized in that: The outer sleeve (8) has a notch (13) at the bottom end. Two symmetrically arranged brackets (14) are installed on the side wall of the notch (13). The two brackets (14) are rotatably connected to the same connecting shaft (15) at the end away from the side wall of the notch (13). The cover plate (16) is rotatably connected to the bracket (14) through the connecting shaft (15).
7. The meconium sample collection and preservation device according to claim 6, characterized in that: The linkage structure includes a gear (17) fixedly connected to the middle section of the connecting shaft (15), and a rack (18) fixedly connected to the bottom end of the slide rod (9), wherein the gear (17) and the rack (18) mesh with each other.