Breathing sampling device for lung cancer diagnosis
By designing an automated respiratory sampling device for lung cancer diagnosis, the problem of nozzles being easily contaminated and unable to be automatically replaced in the prior art is solved, and the automatic replacement and discharge of nozzles are realized, which improves the accuracy and safety of detection results.
Patent Information
- Application Number
- CN202421498725.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-06-27
AI Technical Summary
When used by patients, the mouthpiece is easily contaminated by bacteria and dust, and cannot be replaced automatically, resulting in an increase in the risk of impact on the test results and cross-infection.
A respiratory sampling device for lung cancer diagnosis was designed, and the automated system was used to realize the replacement and discharge of the nozzle. The replacement and collection of the nozzle was automatically completed through the telescopic motor, rotating column and clamp structure, and avoid manual operation.
This achieves the need for a patient to manually replace the mouthpiece without the need for a patient, which reduces the risk of bacteria and dust transmission, improves the accuracy of the test results, and prevents cross-infection caused by the secondary use of the mouthpiece.
Smart Images

Figure CN222899164U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sampling devices, in particular to a breath sampling device for lung cancer diagnosis. Background Art
[0002] A large number of studies have shown that there are some volatile organic compounds in the exhaled breath of patients with lung cancer. These compounds are derived from the oxidation of unsaturated fatty acids during the development of cancer and can therefore be used as biomarkers to identify cancer.
[0003] When diagnosing lung cancer, a breath sampling device is needed to detect and identify the air exhaled by the patient.
[0004] When sampling the patient's exhaled gas, a separate mouthpiece needs to be obtained in advance, and then the mouthpiece is inserted into the detection device for blowing. The mouthpiece will be infected with bacteria and dust in the patient's hand, and the dust and bacteria will enter the gas tank with the patient's blowing, affecting the detection result. At the same time, the contact between the user's mouth and the mouthpiece when blowing is easy to cause bacterial infection. The existing breath sampling device cannot automatically replace the mouthpiece.
[0005] Furthermore, after the existing mouthpiece is used, if it is not removed actively, it will remain on the detection device, which may lead to secondary use and cause cross infection. Utility Model Content
[0006] The purpose of the utility model is to provide a breath sampling device for lung cancer diagnosis to solve the problems raised in the above background technology.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: A breath sampling device for lung cancer diagnosis, comprising a gas tank, a gas detection device and a feeding trough, the bottom fastener of the gas tank is connected to a support plate, the bottom of the support plate is connected to the top of the base by welding, one side of the gas tank is connected to the gas detection device through a pipeline, one side of the support plate is connected to one side of the feeding trough by welding, the inside of the feeding trough is connected to a push plate by sliding, one side of the push plate is provided with a first telescopic motor, the first telescopic motor is fixedly connected to the push plate through an output shaft, the end of the feeding trough away from the push plate is connected to the feeding block by a fastener, the bottom fastener of the support plate is connected to a third telescopic motor, the output shaft of the third telescopic motor is connected to a driving motor through a fastener, the output shaft of the driving motor is fastened to one end of a rotating column, the end of the rotating column away from the driving motor is fastened to a connecting rod, one end of the connecting rod is provided with a lower clamping block, and one end of the lower clamping block is provided with an upper clamping block.
[0008] Preferably, a feed port is provided at the top of the feed trough, the inside of the feed port is connected to a baffle in a sliding manner, one end of the gas tank is connected to the blowing nozzle in an embedded manner, and one side of the base is connected to the collecting trough through a fastener.
[0009] Preferably, the rotating column is connected to a slider via a rotating shaft, and one end of the slider away from the rotating column is connected to the inside of the support plate in a sliding manner.
[0010] Preferably, the bottom of the support plate is connected to the second telescopic motor via a fastener, and the output shaft of the second telescopic motor is connected to a material discharge column via a fastener, and the material discharge column is located on one side of the connecting rod.
[0011] Preferably, a fastener on one side of the lower clamping block is connected to one end of the support column, an end of the support column away from the lower clamping block is connected to one end of the telescopic column in an embedded manner, and an end of the telescopic column away from the support column is connected to the upper clamping block through a fastener.
[0012] Preferably, the internal fastener of the support column is connected to one end of the elastic member, and the fastener at one end of the elastic member away from the support column is connected to one end of the telescopic column away from the upper clamping block.
[0013] Preferably, the upper clamping block and the lower clamping block are respectively arranged at two ends of the connecting rod, and the openings of the upper clamping block and the lower clamping block are in opposite directions.
[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:
[0015] First, the utility model can automatically replace the mouthpiece by providing a feeding trough and an upper clamping block. When the mouthpiece on the gas cylinder needs to be replaced, the first telescopic motor is turned on, and the first telescopic motor drives the push plate to move through the output shaft. The push plate moves and pushes the mouthpiece inside the feeding trough to move to the feeding block. Then the driving motor is turned on, and the driving motor drives the connecting rod to rotate through the output shaft. The connecting rod drives the upper clamping block and the lower clamping block to move to the center of the feeding block, and continues to move. The middle parts of the upper clamping block and the lower clamping block contact the mouthpiece, and the feeding block clamps the mouthpiece at an oblique angle. The mouthpiece pushes the upper clamping block, and the movement of the upper clamping block drives the telescopic column to move, and the telescopic column drives the elastic member The connecting rod drives the upper clamping block to move to one end of the gas tank, and the third telescopic motor is turned on. The third telescopic motor drives the driving motor to move through the output shaft, and the driving motor drives the rotating column to move through the slider, so that one end of the mouthpiece is inserted into the interior of the gas tank, and the mouthpiece can be automatically replaced without the need for manual replacement by the patient, which effectively prevents bacteria and dust from being infected to the mouthpiece through the patient's hands, thereby reflecting the practicality of the device.
[0016] Secondly, the utility model can automatically unload the used mouthpieces by setting up a unloading column and a collecting trough. After the mouthpiece is used, the third telescopic motor is turned on, and the third telescopic motor drives the connecting rod to move outward through the rotating column, and the connecting rod drives the mouthpiece to move to the outside of the gas tank, and the driving motor is turned on, and the driving motor drives the mouthpiece to continue to move through the connecting rod. When the mouthpiece moves to the unloading column, the second telescopic motor is turned on, and the second telescopic motor drives the unloading column to move through the output shaft. The unloading column pushes one end of the mouthpiece on the upper block and the lower block to move it to the collecting trough on one side, so as to achieve the unloading work of the used mouthpiece, prevent cross infection caused by the secondary use of the mouthpiece, and embody the safety of this device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional diagram of the utility model;
[0018] Figure 2 It is a side view of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the feeding block and feeding trough of the utility model;
[0020] Figure 4 This is a schematic diagram of the push plate and baffle structure of the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the rotating column and the sliding block of the utility model;
[0022] Figure 6 It is a schematic structural diagram of the upper clamping block and the lower clamping block of the utility model.
[0023] Among them: 1. base; 2. support plate; 3. gas tank; 4. gas detection device; 5. blowing nozzle; 6. loading trough; 7. collecting trough; 8. feeding port; 9. first telescopic motor; 10. connecting rod; 11. second telescopic motor; 12. unloading column; 13. loading block; 14. push plate; 15. baffle; 16. third telescopic motor; 17. driving motor; 18. slider; 19. rotating column; 20. upper clamping block; 21. lower clamping block; 22. supporting column; 23. telescopic column; 24. elastic part. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-6A breath sampling device for lung cancer diagnosis comprises a gas tank 3, a gas detection device 4 and a feeding trough 6, wherein the bottom fastener of the gas tank 3 is connected to the support plate 2, the bottom of the support plate 2 is connected to the top of the base 1 by welding, one side of the gas tank 3 is connected to the gas detection device 4 by a pipeline, one side of the support plate 2 is connected to one side of the feeding trough 6 by welding, the inside of the feeding trough 6 is connected to the push plate 14 by sliding, one side of the push plate 14 is provided with a first telescopic motor 9, the first telescopic motor 9 is fixedly connected to the push plate 14 by an output shaft, one end of the feeding trough 6 away from the push plate 14 is connected to the feeding block 13 by a fastener, and the bottom of the support plate 2 is fastened The third telescopic motor 16 is connected to the third telescopic motor 16 by a fastener, and the output shaft of the third telescopic motor 16 is connected to the driving motor 17 by a fastener. The output shaft fastener of the driving motor 17 is connected to one end of the rotating column 19, and the end fastener of the rotating column 19 away from the driving motor 17 is connected to the connecting rod 10, and a lower clamping block 21 is provided at one end of the connecting rod 10, and an upper clamping block 20 is provided at one end of the lower clamping block 21. When the blowing nozzle 5 on the gas tank 3 needs to be replaced, the first telescopic motor 9 is turned on, and the first telescopic motor 9 pushes the push plate 14 to move the blowing nozzle 5 inside the loading trough 6 to the loading block 13 through the output shaft, and then the driving motor is turned on. The drive motor 17 drives the connecting rod 10 to rotate through the output shaft, and the connecting rod 10 drives the upper clamping block 20 and the lower clamping block 21 to move to the center of the upper material block 13, and continues to move. The middle parts of the upper clamping block 20 and the lower clamping block 21 contact the blowing nozzle 5, and the upper material block 13 engages the blowing nozzle 5 in an oblique form, and the blowing nozzle 5 pushes the upper clamping block 20. The movement of the upper clamping block 20 drives the telescopic column 23 to move, and the telescopic column 23 drives the elastic member 24 to extend. At this time, the upper clamping block 20 and the lower clamping block 21 are in an open state, and the connecting rod 10 drives it to continue to move, so that the blowing nozzle 5 enters the upper clamping block 20 and the lower clamping block 21. Inside, through the resilience of the elastic member 24, the elastic member 24 pulls the upper clamping block 20 through the telescopic column 23 to clamp the mouthpiece 5, and the connecting rod 10 drives it to move to one end of the gas tank 3, and turns on the third telescopic motor 16. The third telescopic motor 16 drives the driving motor 17 to move through the output shaft, and the driving motor 17 drives the rotating column 19 to move through the slider 18, so that one end of the mouthpiece 5 is inserted into the interior of the gas tank 3, so that the mouthpiece 5 can be automatically replaced without the patient manually replacing it, which effectively prevents bacteria and dust from being infected to the mouthpiece 5 through the patient's hands, reflecting the practicality of this device.
[0026] Specifically, a feed port 8 is provided on the top of the feed trough 6, the inside of the feed port 8 is connected to the baffle 15 by sliding, one end of the gas tank 3 is connected to the blowing nozzle 5 by embedding, and one side of the base 1 is connected to the collecting trough 7 by fasteners.
[0027] Through the above technical scheme, the gas detection device 4 is a gas analyzer, and a baffle 15 is provided on one side of the collecting tank 7 to prevent the blowing nozzle 5 from being pushed to the outside when unloading. The bottom of the loading tank 6 is in an oblique angle to match the shape of the blowing nozzle 5. A gap is provided in the middle of the loading block 13, and the size of the gap matches the cross-section of the connecting rod 10. At the same time, a limit block is provided on one side of the loading block 13 to prevent the upper clamping block 20 and the lower clamping block 21 from directly driving the blowing nozzle 5 to move when they move to the blowing nozzle 5.
[0028] Specifically, the rotating column 19 is connected to the slider 18 via a rotating shaft, and one end of the slider 18 away from the rotating column 19 is connected to the inside of the support plate 2 in a sliding manner.
[0029] Through the above technical solution, the rotating column 19 can rotate on the slider 18. When the blowing nozzle 5 needs to be installed, the slider 18 can move vertically to drive the rotating column 19 to move. The position of the unloading column 12 is located at the track when the connecting rod 10 rotates.
[0030] Specifically, the bottom of the support plate 2 is connected to the second telescopic motor 11 through a fastener, and the output shaft of the second telescopic motor 11 is connected to the unloading column 12 through a fastener. The unloading column 12 is located on one side of the connecting rod 10.
[0031] Through the above technical solution, the unloading column 12 is cylindrical, and the diameter of the unloading column is smaller than the openings of the upper clamping block 20 and the lower clamping block 21. When the second telescopic motor 11 is started, it will drive the unloading column 12 to move and push the blowing nozzle 5 on the upper clamping block 20 and the lower clamping block 21 to the outside.
[0032] Specifically, a fastener on one side of the lower block 21 is connected to one end of the support column 22, an end of the support column 22 away from the lower block 21 is connected to one end of the telescopic column 23 in an embedded manner, and an end of the telescopic column 23 away from the support column 22 is connected to the upper block 20 through a fastener.
[0033] Through the above technical solution, the support column 22 is used to limit the upper clamping block 20 through the telescopic column 23 to prevent the upper clamping block 20 from shifting and tilting during movement, making it difficult for the upper clamping block 20 and the lower clamping block 21 to clamp the nozzle 5.
[0034] Specifically, the internal fastener of the support column 22 is connected to one end of the elastic member 24 , and the fastener at one end of the elastic member 24 away from the support column 22 is connected to one end of the telescopic column 23 away from the upper clamping block 20 .
[0035] Through the above technical solution, the elastic member 24 is used to pull the telescopic column 23 to move through the telescopic column 23, and at the same time pull the upper clamping block 20 to clamp and fix the blowing nozzle 5 on the lower clamping block 21, and at the same time, one end of the upper clamping block 20 and the lower clamping block 21 fit each other.
[0036] Specifically, the upper clamping block 20 and the lower clamping block 21 are respectively disposed at two ends of the connecting rod 10 , and the openings of the upper clamping block 20 and the lower clamping block 21 are in opposite directions.
[0037] Through the above technical solution, an upper clamping block 20 and a lower clamping block 21 are respectively provided at both ends of the connecting rod 10, and the openings of the clamping blocks at both ends of the connecting rod 10 are in opposite directions, so that the connecting rod 10 can clamp the mouthpiece 5 when driving the upper clamping block 20 and the lower clamping block 21 to rotate.
[0038] When in use, first when the blowing nozzle 5 on the gas cylinder 3 needs to be replaced, turn on the first telescopic motor 9, the first telescopic motor 9 pushes the push plate 14 to move through the output shaft, the push plate 14 moves and pushes the blowing nozzle 5 inside the loading trough 6 to move to the loading block 13, and then turn on the driving motor 17, the driving motor 17 drives the connecting rod 10 to rotate through the output shaft, the connecting rod 10 drives the upper clamping block 20 and the lower clamping block 21 to move to the center of the loading block 13, and continues to move, the middle parts of the upper clamping block 20 and the lower clamping block 21 contact the blowing nozzle 5. The upper material block 13 is engaged with the mouthpiece 5 at an angle, and the mouthpiece 5 pushes the upper clamping block 20, and the upper clamping block 20 moves to drive the telescopic column 23 to move, and the telescopic column 23 drives the elastic member 24 to extend. At this time, the upper clamping block 20 and the lower clamping block 21 are in an open state, and the connecting rod 10 drives it to continue to move, so that the mouthpiece 5 enters the interior of the upper clamping block 20 and the lower clamping block 21. Through the resilience of the elastic member 24, the elastic member 24 pulls the upper clamping block 20 through the telescopic column 23 to clamp the mouthpiece 5, and the connecting rod 10 Drive it to move to one end of the gas tank 3, turn on the third telescopic motor 16, the third telescopic motor 16 drives the driving motor 17 to move through the output shaft, and the driving motor 17 drives the rotating column 19 to move through the slider 18, so that one end of the mouthpiece 5 is inserted into the interior of the gas tank 3, and the mouthpiece 5 can be automatically replaced without the need for the patient to manually replace it, which effectively prevents bacteria and dust from infecting the mouthpiece 5 through the patient's hands. After the mouthpiece 5 is used, turn on the third telescopic motor 16, the third telescopic motor 16 drives the connecting rod 10 to move outward through the rotating column 19, and the connecting rod 10 drives the mouthpiece 5 to move to the outside of the gas tank 3, turn on the driving motor 17, and the driving motor 17 drives the mouthpiece 5 to continue to move through the connecting rod 10. When the mouthpiece 5 moves to the unloading column 12, turn on the second telescopic motor 11, and the second telescopic motor 11 drives the unloading column 12 to move through the output shaft. The unloading column 12 pushes one end of the mouthpiece 5 on the upper block 20 and the lower block 21 to move it to the collecting tank 7 on one side, and the work can be completed.
[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0040] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A breath sampling device for lung cancer diagnosis, comprising a gas tank (3), a gas detection device (4) and a feeding trough (6), characterized in that: The bottom fastener of the gas tank (3) is connected to the support plate (2), the bottom of the support plate (2) is connected to the top of the base (1) by welding, one side of the gas tank (3) is connected to the gas detection device (4) by a pipeline, one side of the support plate (2) is connected to one side of the feed trough (6) by welding, the inside of the feed trough (6) is connected to the push plate (14) by sliding, one side of the push plate (14) is provided with a first telescopic motor (9), the first telescopic motor (9) is fixedly connected to the push plate (14) by an output shaft, and the feed trough (6) The fastener at one end away from the push plate (14) is connected to the loading block (13), the fastener at the bottom of the support plate (2) is connected to the third telescopic motor (16), the output shaft of the third telescopic motor (16) is connected to the drive motor (17) through a fastener, the output shaft of the drive motor (17) is fastened to one end of a rotating column (19), the fastener at one end of the rotating column (19) away from the drive motor (17) is connected to a connecting rod (10), one end of the connecting rod (10) is provided with a lower clamping block (21), and one end of the lower clamping block (21) is provided with an upper clamping block (20).
2. A breath sampling device for lung cancer diagnosis according to claim 1, characterized in that: The top of the feeding trough (6) is provided with a feeding port (8), the inside of the feeding port (8) is connected to a baffle (15) in a sliding manner, one end of the gas tank (3) is connected to the blowing nozzle (5) in an embedded manner, and one side of the base (1) is connected to the collecting trough (7) via a fastener.
3. A breath sampling device for lung cancer diagnosis according to claim 1, characterized in that: The rotating column (19) is connected to the slider (18) via a rotating shaft, and one end of the slider (18) away from the rotating column (19) is connected to the inside of the support plate (2) in a sliding manner.
4. A breath sampling device for lung cancer diagnosis according to claim 1, characterized in that: The bottom of the support plate (2) is connected to the second telescopic motor (11) via a fastener, and the output shaft of the second telescopic motor (11) is connected to a material discharge column (12) via a fastener, and the material discharge column (12) is located on one side of the connecting rod (10).
5. A breath sampling device for lung cancer diagnosis according to claim 1, characterized in that: A fastener on one side of the lower clamping block (21) is connected to one end of a support column (22); an end of the support column (22) away from the lower clamping block (21) is connected to one end of a telescopic column (23) in an embedded manner; and an end of the telescopic column (23) away from the support column (22) is connected to the upper clamping block (20) via a fastener.
6. A breath sampling device for lung cancer diagnosis according to claim 5, characterized in that: The internal fastener of the support column (22) is connected to one end of the elastic member (24), and the fastener at one end of the elastic member (24) away from the support column (22) is connected to one end of the telescopic column (23) away from the upper clamping block (20).
7. A breath sampling device for lung cancer diagnosis according to claim 1, characterized in that: The upper clamping block (20) and the lower clamping block (21) are respectively arranged at two ends of the connecting rod (10), and the openings of the upper clamping block (20) and the lower clamping block (21) are in opposite directions.