CN215424609U - High-sensitivity pulmonary function detection device - Google Patents
High-sensitivity pulmonary function detection device Download PDFInfo
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- CN215424609U CN215424609U CN202120329260.9U CN202120329260U CN215424609U CN 215424609 U CN215424609 U CN 215424609U CN 202120329260 U CN202120329260 U CN 202120329260U CN 215424609 U CN215424609 U CN 215424609U
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Abstract
The utility model discloses a high-sensitivity lung function detection device which comprises a host, a detection mechanism arranged on the host and a pressure difference acquisition assembly arranged on the detection mechanism. The detection mechanism is connected with the host machine in a buckling mode. The utility model has the effects of high detection precision and durable structure.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a high-sensitivity lung function detection device.
Background
The lung function examination is one of necessary examinations of respiratory system diseases, and has important guiding significance for early detection of lung and airway lesions, assessment of disease severity and prognosis of diseases, assessment of curative effect of drugs or other treatment methods, identification of reasons of dyspnea, diagnosis of lesion parts, assessment of tolerance or labor intensity tolerance of lung functions to operations, monitoring of critical patients and the like, the lung capacity is a project which needs to be detected frequently in the existing physical quality test, the lung capacity of people with better health conditions is larger, and the lung capacity is possibly reduced when lung tissue damage such as tuberculosis, pulmonary fibrosis, atelectasis or pulmonary lobe excision reaches a certain degree; kyphosis, the pleura bodiness, exudative pleurisy or pneumothorax etc. also can make the lung expand limitedly, and the vital capacity reduces, so the vital capacity can reflect individual's physical quality to a certain extent, uses the vital capacity tester can pass through specific data monitoring individual's physical quality situation of change, has a lot of vital capacity testers on the existing market, but all have the shortcoming that the portability is not good or the test result is inaccurate basically.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a highly sensitive pulmonary function detection device having high detection accuracy and a durable structure.
In order to achieve the above purpose, the present invention provides a high-sensitivity lung function detecting device, which comprises a main machine, a detecting mechanism arranged on the main machine, and a differential pressure collecting assembly arranged on the detecting mechanism. The detection mechanism is connected with the host machine in a buckling mode. The detection mechanism comprises a first shell, a connector butt-joint device which is arranged at the top of the first shell and is in butt joint with the differential pressure acquisition assembly, a straight-through air duct and a three-way air duct which are respectively arranged at two sides of the connector butt-joint device, a first flow sensor arranged on a branch pipe at one end of the three-way air duct, and a second flow sensor which is arranged on a branch pipe at the other end of the three-way air duct and is simultaneously connected with the straight-through air duct. The connector butt-joint device comprises a plastic pressure guide support arranged in a first shell, a first pressure guide cavity and a second pressure guide cavity which are respectively arranged on two sides of the plastic pressure guide support, a first baffling air guide pipe communicated with the straight-through air guide pipe and arranged on the inner side of the first pressure guide cavity in a communicated mode, and a second baffling air guide pipe communicated with the three-way air guide pipe and arranged on the inner side of the second pressure guide cavity in a communicated mode. The pressure difference acquisition assembly comprises a Venturi type blowpipe arranged on the plastic pressure guide support, a first insertion pipe which is communicated with the interior and extends downwards to be inserted into the second pressure guide cavity is arranged at the necking position of the Venturi type blowpipe, and a second insertion pipe which is communicated with the interior and extends downwards to be inserted into the first pressure guide cavity is arranged on the Venturi type blowpipe positioned on the air inlet side. From this, host computer and detection mechanism pass through bullet needle and host computer electric connection, and the host computer passes through block tongue and groove matching block with the determine module to be connected, and simple structure is practical, the detect host computer still includes function button and display screen, detects the numerical value through the determine module and feeds back to the host computer master control center and show data in the display screen and by the host computer storage.
In some embodiments, a first cannula and a second impulse chamber on a venturi tube; the second pressure guide cavity is communicated with the second baffling air guide pipe and the three-way air guide pipe. The second intubation tube on the Venturi type blowpipe is communicated with the first pressure guide cavity, and the first pressure guide cavity is communicated with the first baffling air guide tube and the straight-through air guide tube.
In some embodiments, the bottom of the first pressure guide cavity is provided with a first groove for collecting large-particle water mist; a first baffle for shielding a communication opening of the first pressure guide cavity and the first baffling air guide pipe is arranged at a position between the first groove side communicated with the first pressure guide cavity and the first baffling air guide pipe. A second groove for collecting large-particle water mist is formed in the bottom of the second pressure guide cavity; and a second baffle for shielding part of communication openings of the second pressure guide cavity and the second baffling air guide pipe is arranged at a position between the second pressure guide cavity communicated with the second groove and the second baffling air guide pipe.
In some embodiments, a sealing silicone element is disposed between the inner wall of the plastic pressure guide bracket and the first cannula and the second cannula.
The utility model has the advantages of high detection precision and durable structure. Because first recess and second recess have the characteristics of storing, the wet air current forms the condensation through the airflow channel of above-mentioned trench, later can block the collection with large granule water smoke in first recess and second recess bottom, effectively avoid large granule water smoke to get into first flow sensor and second flow sensor direct contact air current and detect, solved because of the inside technical problem that causes detection error or device damage of the water smoke entering detection device of human exhalation, the life of detection device and the accuracy of detection have been improved. The effect that the detection precision is high and the structure is durable is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic structural view of a detection mechanism and a differential pressure acquisition assembly according to the present invention;
FIG. 5 is a schematic cross-sectional view of the detection mechanism and the differential pressure acquisition assembly of the present invention.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a high-sensitivity lung function detecting device includes a main machine 01, a detecting mechanism 02 provided on the main machine 01, and a differential pressure collecting assembly 03 provided on the detecting mechanism 02. The detection mechanism 02 is connected with the host 01 in a buckling mode. The detection mechanism 02 comprises a first shell 21, a connector butt-joint device 22 which is arranged on the top of the first shell 21 and is in butt joint with the differential pressure acquisition assembly 03, a straight-through air duct 23 and a three-way air duct 24 which are respectively arranged on two sides of the connector butt-joint device 22, a first flow sensor 25 which is arranged on a branch pipe at one end of the three-way air duct 24, and a second flow sensor 26 which is arranged on a branch pipe at the other end of the three-way air duct 24 and is simultaneously connected with the straight-through air duct 23. The connector butt-joint device 22 comprises a plastic pressure guide support 221 arranged in the first shell 21, a first pressure guide cavity 222 and a second pressure guide cavity 223 which are respectively arranged on two sides of the plastic pressure guide support 221, a first baffling air guide pipe 224 communicated with the through air guide pipe 23 and arranged on one side of the first pressure guide cavity 222 in a communicating mode, and a second baffling air guide pipe 225 communicated with the three-way air guide pipe 24 and arranged on one side of the second pressure guide cavity 223 in a communicating mode. The differential pressure acquisition assembly 03 comprises a venturi type blowpipe 31 arranged on the plastic pressure guide bracket 221, a first insertion pipe 32 which is communicated with the interior and extends downwards to be inserted into a second pressure guide cavity 223 and is arranged at the necking position of the venturi type blowpipe 31, and a second insertion pipe 33 which is communicated with the interior and extends downwards to be inserted into the first pressure guide cavity 222 and is arranged on the venturi type blowpipe 31 positioned on the air inlet side. Host 01 and detection mechanism 02 pass through bullet needle and host 01 electric connection, and host 01 passes through block tongue and groove matching block with the determine module and is connected, and simple structure is practical, detect host 01 and still include function button and display screen, detect numerical value feed back to host 01 main control center through the determine module and show data in the display screen and by host 01 storage. The first cannula 32 on the venturi tube 31 is communicated with the second pressure guiding cavity 223, and the second pressure guiding cavity 223 is communicated with the second baffled air guiding pipe 225 and the three-way air guiding pipe 24. Second cannula 33 of venturi tube 31 communicates with first impulse chamber 222, and first impulse chamber 222 communicates with first collapsible airway 224 and straight airway 23.
The bottom of the first pressure guide cavity 222 is provided with a first groove 34 for collecting large-particle water mist; a first baffle 35 for shielding part of the communication port of the first pressure guide cavity 222 and the first baffling air guide pipe 224 is arranged at the position between the first pressure guide cavity 222 and the first baffling air guide pipe 224 communicated with one side of the first groove 34. The bottom of the second pressure guide cavity 223 is provided with a second groove 36 for collecting large-particle water mist; a second baffle 37 for blocking the communication ports of the second guide cavity 223 and the second baffling air duct 225 is arranged at a position between the second guide cavity 223 and the second baffling air duct 225, which are communicated with the two sides of the second groove 36. Sealing silica gel pieces 27 are arranged between the inner wall of the plastic pressure guide bracket 221 and the first insertion pipe 32 and the second insertion pipe 33.
During the application, first recess 34 and second recess 36 have the characteristics of storing, the wet gas stream forms the condensation through the airflow channel of above-mentioned slot position, later can block the collection with the large granule water smoke in first recess 34 and second recess 36 bottoms, effectively avoid the large granule water smoke to get into first flow sensor 25 and second flow sensor 26 direct contact air current and detect, the technical problem of having solved because of the inside detection error or the device damage that causes of the water smoke entering detection device of human exhalation has improved detection device's life and the accuracy of detection.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept herein, and it is intended to cover all such modifications and variations as fall within the scope of the utility model.
Claims (4)
1. A high-sensitivity lung function detection device is characterized by comprising a host, a detection mechanism arranged on the host, and a pressure difference acquisition assembly arranged on the detection mechanism;
the detection mechanism is connected with the host machine in a buckling manner;
the detection mechanism comprises a first shell, a connector butt-joint device which is arranged at the top of the first shell and is in butt joint with the differential pressure acquisition assembly, a straight-through air guide pipe and a three-way air guide pipe which are respectively arranged at two sides of the connector butt-joint device, a first flow sensor arranged on a branch pipe at one end of the three-way air guide pipe, and a second flow sensor arranged on a branch pipe at the other end of the three-way air guide pipe and simultaneously connected with the straight-through air guide pipe;
the connector butt-joint device comprises a plastic pressure guide support arranged in a first shell, a first pressure guide cavity and a second pressure guide cavity which are respectively arranged at two sides of the plastic pressure guide support, a first baffling air guide pipe communicated with the straight-through air guide pipe is communicated and arranged at the inner side of the first pressure guide cavity, and a second baffling air guide pipe communicated with the three-way air guide pipe is communicated and arranged at the inner side of the second pressure guide cavity;
the pressure difference acquisition assembly comprises a Venturi type blowpipe arranged on the plastic pressure guide support, a first insertion pipe which is communicated with the interior and extends downwards to be inserted into the second pressure guide cavity is arranged at the necking position of the Venturi type blowpipe, and a second insertion pipe which is communicated with the interior and extends downwards to be inserted into the first pressure guide cavity is arranged on the Venturi type blowpipe positioned on the air inlet side.
2. The high sensitivity lung function test device according to claim 1, wherein the first cannula and the second pressure-guiding cavity are arranged on the venturi tube; the second pressure guide cavity is communicated with the second baffling air guide pipe and the three-way air guide pipe;
a second cannula and a first pressure guide cavity on the Venturi blowpipe; the first pressure guide cavity is communicated with the first baffling air guide pipe and the straight-through air guide pipe.
3. The high-sensitivity lung function detection device according to claim 2, wherein a first groove for collecting large-particle water mist is arranged at the bottom of the first pressure guide cavity; a first baffle for shielding part of communication openings of the first pressure guide cavity and the first baffling air guide pipe is arranged at a position on one side of the first groove, which is communicated between the first pressure guide cavity and the first baffling air guide pipe;
a second groove for collecting large-particle water mist is formed in the bottom of the second pressure guide cavity; and a second baffle for shielding part of communication openings of the second pressure guide cavity and the second baffling air guide pipe is arranged at a position between the second pressure guide cavity communicated with the second groove and the second baffling air guide pipe.
4. The device as claimed in claim 1, wherein a sealing silicone member is disposed between the inner wall of the plastic pressure-guiding holder and the first cannula and between the inner wall of the plastic pressure-guiding holder and the second cannula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120329260.9U CN215424609U (en) | 2021-02-05 | 2021-02-05 | High-sensitivity pulmonary function detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120329260.9U CN215424609U (en) | 2021-02-05 | 2021-02-05 | High-sensitivity pulmonary function detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215424609U true CN215424609U (en) | 2022-01-07 |
Family
ID=79701623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120329260.9U Active CN215424609U (en) | 2021-02-05 | 2021-02-05 | High-sensitivity pulmonary function detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215424609U (en) |
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2021
- 2021-02-05 CN CN202120329260.9U patent/CN215424609U/en active Active
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