Sampling assembly for medical respiration detection
By designing a medical respiratory detection sampling component, which employs a snap-fit connection and a guide groove sealing structure, the problems of complex sampling head installation and loose stainless steel tubes in existing technologies have been solved. This achieves stable connection and convenient replacement, improving sampling accuracy and equipment lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 知心健(南京)科技有限公司
- Filing Date
- 2024-12-30
- Publication Date
- 2026-05-12
AI Technical Summary
Existing respiratory testing equipment has a complex and bulky sampling head, the component sampling tube cannot be disassembled, and the lack of a guide groove to prevent reverse insertion causes the stainless steel tube to loosen, affecting the sampling accuracy.
A sampling component for medical respiratory detection was designed. The upper and lower shells of the sampling head are connected by a snap-fit, the component sampling tube is connected by a straight insertion, and the flow pressure transducer is connected to the snap-fit through a guide groove and sealed with a silicone gasket to ensure stable insertion of the stainless steel tube.
It enables simple installation and stable connection of the sampling components, prevents the stainless steel tube from loosening, improves sampling accuracy, and supports the disassembly and replacement of component sampling tubes, extending the service life of the sampling head.
Smart Images

Figure CN224220166U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of respiratory detection equipment technology, and in particular to a sampling component for medical respiratory detection. Background Technology
[0002] In existing technologies, respiratory testing devices are widely used in the medical field. The collection of gas composition and flow rate in respiratory testing is accomplished using a respiratory sampling head and a flow-pressure transducer. These devices collect the flow rate and composition of the subject's exhalation and inhalation through the sampling head and flow-pressure transducer. Currently available sampling heads and flow-pressure transducers are complex to install, the sampling heads are bulky, the component sampling tubes are non-removable, and the lack of a guide groove to prevent reverse insertion leads to loosening of the stainless steel tube on the sampling head, resulting in incomplete insertion and affecting sampling accuracy. This fails to meet market demands. Therefore, we propose a medical respiratory testing sampling component to address the aforementioned problems. Utility Model Content
[0003] Based on the technical problems existing in the background technology, this utility model proposes a sampling component for medical respiratory detection.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A sampling component for medical breath detection, including
[0006] The sampling head consists of a top shell, a silicone pad, a bottom shell, a stainless steel tube 1, a flow-pressure transducer, stainless steel tubes 2 and 3, PVC tubing 1 and 2, a blue Luer male connector, a yellow Luer male connector, and a component sampling tube. The top shell is movably connected to the outer wall of the stainless steel tube 1. The bottom shell is fixedly connected to the top of the top shell. Stainless steel tubes 1 and 2 are both fixedly connected to the inner wall of the bottom shell. The silicone pad is connected to the inner wall of the bottom shell. PVC tubing 1 and 2 are fixedly connected to the bottom of stainless steel tubes 2 and 3, respectively. The yellow Luer male connector is fixedly connected to the bottom of PVC tubing 1. The blue Luer male connector is fixedly connected to the bottom of PVC tubing 2. Stainless steel tube 2, PVC tubing 1, and the yellow Luer male connector are connected. Stainless steel tube 3, PVC tubing 2, and the blue Luer male connector are also connected. The component sampling tube is movably connected to the top of the top shell. The top shell and bottom shell are movably connected. The flow-pressure transducer is movably connected to the outer wall of the bottom shell.
[0007] In a preferred embodiment of this utility model, the lower shell of the sampling head and the upper shell of the sampling head are connected by a snap-fit connection.
[0008] In a preferred embodiment of this invention, the component sampling tube and the sampling head shell are connected by a direct insertion method.
[0009] In a preferred embodiment of this invention, the flow-pressure converter and the lower housing of the sampling head are sealed by a silicone gasket through a guide groove and a snap-fit connection. Beneficial effects
[0010] In this invention, the component sampling tube is detachable and replaceable. The guide groove of the lower shell of the sampling head is aligned with the rib of the flow-pressure converter and inserted. The flow-pressure converter is secured by the buckle of the lower shell of the sampling head. This structure is not only simple and quick to install, but the guide groove of the lower shell of the sampling head can also prevent the stainless steel tube from loosening due to misinsertion of the sampling head. This product has a stable structure, is easy to process, and can well protect the service life of the sampling head. It can be widely used. Attached Figure Description
[0011] Figure 1 This is a front sectional view of the present invention;
[0012] Figure 2 This is a side sectional view of the present invention.
[0013] In the diagram: 1. Sampling head lower shell; 2. Silicone pad; 3. Sampling head upper shell; 4. Stainless steel tube 1; 5. Component sampling tube; 6. Flow-pressure converter; 7. Stainless steel tube 2; 8. Stainless steel tube 3; 9. PVC air tube 1; 10. Yellow Luer male connector; 11. PVC air tube 2; 12. Blue Luer male connector. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example
[0015] Reference Figures 1-2 A sampling component for medical breath detection, including
[0016] The sampling head shell 3, silicone pad 2, sampling head lower shell 1, stainless steel tube 14, flow-pressure transducer 6, stainless steel tube 27, stainless steel tube 38, PVC air tube 19, PVC air tube 211, blue Luer male connector 12, yellow Luer male connector 10, and component sampling tube 5 are connected. The sampling head shell 3 is movably connected to the outer wall of the stainless steel tube 14. The sampling head lower shell 1 is fixedly connected to the top of the sampling head shell 3. Stainless steel tubes 27 and 38 are both fixedly connected to the inner wall of the sampling head lower shell 1. The silicone pad 2 is connected to the inner wall of the sampling head lower shell 1. PVC air tubes 19 and 211 are also connected. 1. The bottom of stainless steel pipe 27 and stainless steel pipe 38 are fixedly connected respectively. The yellow Luer male connector 10 is fixedly connected to the bottom of PVC pipe 19. The blue Luer male connector 12 is fixedly connected to the bottom of PVC pipe 211. Stainless steel pipe 27, PVC pipe 19 and yellow Luer male connector 10 are connected. Stainless steel pipe 38, PVC pipe 211 and blue Luer male connector 12 are connected. Component sampling tube 5 is movably connected to the top of sampling head shell 3. Sampling head shell 3 and sampling head lower shell 1 are movably connected. Flow pressure converter 6 is movably connected to the outer wall of sampling head lower shell 1.
[0017] In a preferred embodiment of this utility model, the lower shell 1 of the sampling head and the upper shell 3 of the sampling head are connected by a snap-fit.
[0018] As a preferred embodiment of this utility model, the component sampling tube 5 and the sampling head shell 3 are connected by a direct insertion method.
[0019] As a preferred embodiment of this utility model, the flow pressure converter 6 and the lower shell of the sampling head 1 are connected by a guide groove and a fastener, with a silicone pad 2 added in between for sealing.
[0020] The working principle of this utility model is as follows: In actual use, the sampling head is inserted by aligning the guide groove of the lower shell 1 with the rib of the flow-pressure transducer 6. The lower shell 1 of the sampling head is used to fasten the flow-pressure transducer 6, thereby achieving the installation effect of the sampling head and the flow-pressure transducer 6. The anti-reverse insertion function of the guide groove keeps the stainless steel tube on the sampling head stable, which is convenient for use. The component sampling tube 5 can be disassembled and replaced for sampling by the user. This product has a stable structure, is simple to process, and can well protect the service life of the sampling head.
[0021] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A sampling component for medical breath detection, characterized in that, include The sampling head shell (3), silicone pad (2), sampling head lower shell (1), stainless steel tube 1 (4), flow pressure converter (6), stainless steel tube 2 (7), stainless steel tube 3 (8), PVC air tube 1 (9), PVC air tube 2 (11), blue Luer male connector (12), yellow Luer male connector (10) and component sampling tube (5) are connected. The sampling head shell (3) is movably connected to the outer wall of the stainless steel tube 1 (4). The sampling head lower shell (1) is fixedly connected to the top of the sampling head shell (3). The stainless steel tube 2 (7) and stainless steel tube 3 (8) are both fixedly connected to the inner wall of the sampling head lower shell (1). The silicone pad (2) is connected to the inner wall of the sampling head lower shell (1). The PVC air tube 1 (9) and PVC air tube 2 (11) are connected. Pipe 2 (11) is fixedly connected to the bottom of stainless steel pipe 2 (7) and stainless steel pipe 3 (8) respectively. The yellow Luer male connector (10) is fixedly connected to the bottom of PVC pipe 1 (9). The blue Luer male connector (12) is fixedly connected to the bottom of PVC pipe 2 (11). Stainless steel pipe 2 (7), PVC pipe 1 (9) and yellow Luer male connector (10) are connected. Stainless steel pipe 3 (8), PVC pipe 2 (11) and blue Luer male connector (12) are connected. The component sampling tube (5) is movably connected to the top of the sampling head shell (3). The sampling head shell (3) and sampling head lower shell (1) are movably connected. The flow pressure converter (6) is movably connected to the outer wall of the sampling head lower shell (1).
2. The sampling component for medical respiratory detection according to claim 1, characterized in that, The lower shell (1) of the sampling head and the upper shell (3) of the sampling head are connected by a snap-fit.
3. The sampling component for medical respiratory detection according to claim 1, characterized in that, The component sampling tube (5) and the sampling head shell (3) are connected by a direct insertion method.
4. The sampling component for medical respiratory detection according to claim 1, characterized in that, The flow pressure converter (6) and the lower shell of the sampling head (1) are sealed by a silicone pad (2) in the middle of the guide groove and fastening connection.