CN212547890U - Be used for tube drawing to prevent intelligent suction device of splash - Google Patents
Be used for tube drawing to prevent intelligent suction device of splash Download PDFInfo
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- CN212547890U CN212547890U CN202020833464.1U CN202020833464U CN212547890U CN 212547890 U CN212547890 U CN 212547890U CN 202020833464 U CN202020833464 U CN 202020833464U CN 212547890 U CN212547890 U CN 212547890U
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Abstract
The utility model relates to an intelligent suction device for preventing tube drawing from splashing, which comprises a piezoelectric film sensor, a breathing filter, an instrument amplifier, a single chip microcomputer, a relay and a suction apparatus, wherein the piezoelectric film sensor is arranged between filter cotton and a far-end interface; the filter cotton is arranged in the breathing filter; the piezoelectric film sensor is connected with a piezoelectric film sensor joint on the lower cover of the filter layer through a piezoelectric film sensor plug and then connected to a lead, and the lead extends out of the breathing filter and is connected with the instrument amplifier; the instrument amplifier is connected with the single chip microcomputer through a wire, the single chip microcomputer is connected with the relay through a wire, and the relay is connected with the suction apparatus through a wire; the respiratory filter is connected with the aspirator through the near end interface of the gas pipeline. Compare traditional endotracheal tube, the utility model discloses a piezoelectric film sensor and one set of device of formation such as singlechip, it is stronger to prevent the splash effect. The utility model discloses thereby can realize preventing the splash through intelligent attraction when the pipe of trachea pipe is gone to the tube drawing.
Description
Technical Field
The utility model belongs to medical appurtenance field, concretely relates to be used for tube drawing to prevent intelligent suction device of splash.
Background
When a traditional tracheal catheter is used for drawing a tube and sucking phlegm through the tracheal catheter, a large amount of secretion, blood or spray or aerosol can be sprayed or generated due to stimulation of an airway, and particularly, the tracheal catheter is used for drawing the tube or sucking phlegm of a patient suffering from diseases transmitted through a respiratory tract, such as a novel coronavirus pneumonia patient, and an operator is very close to the head and face of the patient and is more at high risk in medicine. When the tracheal catheter is pulled out, the tracheal catheter and a breathing loop are required to be disconnected, then a sputum suction tube is arranged in the tracheal catheter to carry out sputum suction operation, and the sputum suction tube can often cause the patient to choke and cough, so that the generation of respiratory droplets and aerosol or the outward splashing of secretion through the tracheal catheter is caused, and the cross infection of medical workers and other patients is easily caused.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a discharge tube prevent intelligent suction device of splash, experience the splash air flue pressure change in the twinkling of an eye through the piezoelectric film sensor in the trachea guide tube, through signal conversion, enlarge, the value after the rethread singlechip corresponds the signal of telecommunication analog-to-digital conversion judges whether pressure exceeds the warning value of settlement, start the aspirator when exceeding, and then realize a discharge tube and prevent intelligent suction device of splash, reduce medical personnel and receive patient's splash when the discharge tube operation and splash, the risk of infection such as aerosol or secretion, protect medical personnel better.
The utility model discloses technical solution does: an intelligent suction device for preventing tube drawing from splashing comprises a piezoelectric film sensor, a breathing filter, an instrument amplifier, a single chip microcomputer, a relay and a suction apparatus, wherein the piezoelectric film sensor is arranged between filter cotton and a far-end interface; the filter cotton is arranged in the breathing filter;
the piezoelectric film sensor is provided with a piezoelectric film sensor plug, a piezoelectric film sensor joint is arranged on the lower cover of the filter layer of the respiratory filter, the piezoelectric film sensor is connected with the piezoelectric film sensor joint on the lower cover of the filter layer through the piezoelectric film sensor plug and then connected to a lead, and the lead extends out of the respiratory filter and is connected with an instrument amplifier;
the instrument amplifier is connected with the single chip microcomputer through a wire, the single chip microcomputer is connected with the relay through a wire, and the relay is connected with the suction apparatus through a wire; the respiratory filter is connected with the aspirator through the near end interface of the gas pipeline.
Further, the piezoelectric thin film sensor includes: the piezoelectric film, a piezoelectric film sensor plug on the piezoelectric film sensor, an annular bracket and supporting legs; the piezoelectric film is adhered to the lower surface of the annular support.
Furthermore, the piezoelectric film sensor is connected with a piezoelectric film sensor joint on the lower cover of the filter layer through a piezoelectric film sensor plug, and the piezoelectric film sensor plug and the piezoelectric film sensor joint adopt a plug-joint connection mode.
Furthermore, a plurality of supporting legs are connected around the annular support, and the supporting legs are in a sheet shape and are larger than the thickness of the annular support.
Furthermore, the piezoelectric film is made of a polyvinylidene fluoride film or a coarse fiber piezoelectric composite film.
Further, the piezoelectric film is strip-shaped or circular.
Compared with the prior art, the utility model difference and advantage lie in:
(1) at present, the tracheal catheter is mainly and clinically used for being directly connected to a breathing circuit, before the tracheal catheter is drawn out, the tracheal catheter and the breathing circuit are required to be disconnected, and then the tracheal catheter is placed into a sputum suction pipe to be drawn out after sputum suction operation in the tracheal catheter. The above method has the disadvantage that the patient is easy to choke by the sputum aspiration operation, and a large amount of spray or aerosol is instantly sprayed to the end of the catheter, so that the medical operator has the potential risk of infection by the spray, aerosol or secretion.
(2) The utility model discloses an innovation part lies in: the utility model discloses be applied to endotracheal tube extubation link with piezoelectric film sensor and automatic attraction, serve clinical scene. The patient chocks and coughs the air flue pressure that arouses and increases instantaneously before drawing the pipe when inhaling phlegm and convert pressure change into the signal of telecommunication through pressure sensor to transmit for the singlechip through signal amplification, combine the singlechip to programme and set up certain pressure warning value, automatic start aspirator when pressure exceedes this warning value, thereby the droplet of intelligent attraction splash, connect bee calling organ or LED lamp scintillation through the IO mouth of singlechip simultaneously and report to the police for medical personnel.
1) The piezoelectric film sensor is of a passive structure, and does not need a power supply, so that the system is low in power consumption and simple in structure;
2) the signal of the piezoelectric film sensor is only related to the vibration generated by gas, so that the anti-interference capability is strong, and the application range is wide;
3) the piezoelectric film sensor has low cost, can be made into a disposable adhesive sensor and is discarded after being used for one time or a plurality of times;
4) the piezoelectric film sensor leads out electrical signals through the plug-connector and the outer lead wire.
The technical scheme of the utility model can attract completely to retrieve the splash or the aerosol that the patient splashes out owing to chocking when the tube is pulled out, reduced medical personnel and received splash's the risk of splash, aerosol or secretion infection of patient when the operation.
Drawings
Fig. 1 is a schematic view of an intelligent suction device for preventing tube drawing from splashing;
FIG. 2 is an exploded view of the piezoelectric film sensor and respiratory filter of the present invention;
fig. 3 is a schematic diagram of the strip-shaped piezoelectric thin film sensor of the present invention;
fig. 4 is a schematic view of the circular piezoelectric film sensor of the present invention.
Wherein: the device comprises a piezoelectric film sensor 1, a breathing filter 2, an instrument amplifier 3, a single chip microcomputer 4, a relay 5, an aspirator 6, a strip-shaped piezoelectric film 1-1, a piezoelectric film sensor plug 1-2, an annular support 1-3, support legs 1-4, a circular piezoelectric film 1-5, a near-end interface 2-1, a filter layer upper cover 2-2, a gas collection port 2-3, a gas collection port cover cap 2-4, filter cotton 2-5, a piezoelectric film sensor joint 2-6, a filter layer lower cover 2-7, a lead 2-8, a drainage side pipe 2-9, a drainage side pipe cover cap 2-10 and a far-end interface 2-11.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work belong to the protection scope of the present invention based on the embodiments of the present invention.
As shown in fig. 1, the utility model discloses an intelligent suction device of splash is prevented to tube drawing, include: the device comprises a piezoelectric film sensor 1, a breathing filter 2, an instrument amplifier 3, a single chip microcomputer 4, a relay 5 and an aspirator 6, wherein the breathing filter 2 comprises filter cotton 2-5 and a far-end interface 2-11, and the piezoelectric film sensor 1 is arranged between the filter cotton 2-5 and the far-end interface 2-11; the filter cotton 2-5 is arranged in the breathing filter 2; a piezoelectric film sensor plug 1-2 is arranged on the piezoelectric film sensor 1, a piezoelectric film sensor connector 2-6 is arranged on a filter layer lower cover 2-7 of the breathing filter 2, the piezoelectric film sensor 1 is connected with the piezoelectric film sensor connector 2-6 through the piezoelectric film sensor plug 1-2 and then connected to a lead 2-8, the piezoelectric film sensor 1 extends out of the breathing filter 2 and is connected with an instrument amplifier 3, the instrument amplifier 3 is connected with a single chip microcomputer 4 through a lead, the single chip microcomputer 4 is connected with a relay 5 through a lead, and the relay 5 is connected with an aspirator 6 through a lead; the respiratory filter 2 is connected with the aspirator 6 through a proximal end interface 2-1 of a gas pipeline.
As shown in fig. 2, the assembled exploded view of the piezoelectric film sensor 1 and the breathing filter 2 of the present invention includes: the device comprises a piezoelectric film sensor 1, a near-end interface 2-1, a filter layer upper cover 2-2, a gas collection port 2-3, a gas collection port cap 2-4, filter cotton 2-5, a piezoelectric film sensor joint 2-6, a filter layer lower cover 2-7, a piezoelectric film sensor outer lead 2-8, a drainage side tube 2-9, a drainage side tube cap 2-10 and a far-end interface 2-11.
As shown in fig. 3, the piezoelectric thin film sensor 1 of the present invention includes: the piezoelectric sensor comprises a strip-shaped piezoelectric film 1-1, a piezoelectric film sensor plug 1-2, an annular support 1-3 and supporting legs 1-4. The piezoelectric film sensor 1-1 is adhered to the lower surface of the annular bracket 1-3; a plurality of supporting feet 1-4 are connected around the annular bracket 1-3. The supporting legs 1-4 are in a sheet shape, and the height is greater than the thickness of the annular bracket;
the piezoelectric film sensor is made of a polyvinylidene fluoride film or a coarse fiber piezoelectric composite film.
Alternatively, as shown in fig. 4, the piezoelectric film of the present invention may be a circular piezoelectric film 1-5.
The piezoelectric film sensor is mounted in the manner including, but not limited to, the manner of fig. 3 and 4.
The utility model discloses as follows at the use: when the trachea is pulled out, the far-end interface 2-11 is connected with a tracheal catheter, when the instantaneous pressure in the airway of a patient is increased due to the cough, the pressure change is sensed by the piezoelectric film sensor 1 and converted into an electric signal, the signal is amplified and transmitted to the singlechip 4 through the instrumentation amplifier 3, the singlechip 4 sets a certain pressure warning value through programming, when the pressure exceeds the warning value, the aspirator 6 is started through the relay 5, the aspirator 6 sucks the gas/droplet coming out from the breathing filter 2 through the near-end interface 2-1 of the gas pipeline, so that the intelligent sucking of the sputtered droplet is realized, and meanwhile, the I/O interface of the singlechip is connected with the buzzer or the LED lamp to give a flash alarm to medical care personnel.
The above description is only a part of the embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides an intelligent suction device that is used for tube drawing to prevent splash which characterized in that:
the breathing filter comprises a piezoelectric film sensor (1), a breathing filter (2), an instrument amplifier (3), a single chip microcomputer (4), a relay (5) and an aspirator (6), wherein the breathing filter (2) comprises filter cotton (2-5) and a far-end interface (2-11), and the piezoelectric film sensor (1) is arranged between the filter cotton (2-5) and the far-end interface (2-11); the filter cotton (2-5) is arranged in the breathing filter (2);
the first interface is arranged on the piezoelectric film sensor (1), a piezoelectric film sensor joint is arranged on the lower cover of the filter layer of the breathing filter, the piezoelectric film sensor is connected with the piezoelectric film sensor joint on the lower cover of the filter layer through the first interface and then connected to the lead (2-8), and the lead extends out of the breathing filter (2) and is connected with the instrument amplifier (3);
the instrument amplifier (3) is connected with the single chip microcomputer (4) through a wire, the single chip microcomputer (4) is connected with the relay (5) through a wire, and the relay (5) is connected with the aspirator (6) through a wire; the breathing filter (2) is connected with the aspirator (6) through a near-end interface (2-1) of a gas pipeline.
2. The intelligent suction device for preventing the pipe drawing from splashing as claimed in claim 1, wherein:
the piezoelectric thin-film sensor (1) comprises: the piezoelectric sensor comprises a piezoelectric film (1-1), a piezoelectric film sensor plug (1-2), an annular support (1-3) and supporting legs (1-4); the piezoelectric film (1-1) is adhered to the lower surface of the annular support (1-3).
3. The intelligent suction device for preventing the pipe drawing from splashing as claimed in claim 1, wherein:
the piezoelectric film sensor (1) is connected with a piezoelectric film sensor joint on the lower cover of the filter layer through a piezoelectric film sensor plug, and the piezoelectric film sensor plug and the piezoelectric film sensor joint adopt a plug-joint connection mode.
4. The intelligent suction device for preventing the pipe drawing from splashing as claimed in claim 2, wherein:
a plurality of supporting legs (1-4) are connected around the annular support (1-3), and the supporting legs (1-4) are sheet-shaped and are larger than the annular support in height.
5. The intelligent suction device for preventing the pipe drawing from splashing as claimed in claim 1, wherein:
the piezoelectric film (1-1) is made of a polyvinylidene fluoride film or a crude fiber piezoelectric composite film.
6. The intelligent suction device for preventing the pipe drawing from splashing as claimed in claim 1, wherein:
the piezoelectric film (1-1) is strip-shaped or circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833464.1U CN212547890U (en) | 2020-05-19 | 2020-05-19 | Be used for tube drawing to prevent intelligent suction device of splash |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833464.1U CN212547890U (en) | 2020-05-19 | 2020-05-19 | Be used for tube drawing to prevent intelligent suction device of splash |
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| CN212547890U true CN212547890U (en) | 2021-02-19 |
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| CN202020833464.1U Active CN212547890U (en) | 2020-05-19 | 2020-05-19 | Be used for tube drawing to prevent intelligent suction device of splash |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658828A (en) * | 2020-05-19 | 2020-09-15 | 中国科学院合肥物质科学研究院 | Anti-splashing intelligent suction device for tube drawing and use method thereof |
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2020
- 2020-05-19 CN CN202020833464.1U patent/CN212547890U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658828A (en) * | 2020-05-19 | 2020-09-15 | 中国科学院合肥物质科学研究院 | Anti-splashing intelligent suction device for tube drawing and use method thereof |
| CN111658828B (en) * | 2020-05-19 | 2023-09-12 | 中国科学院合肥物质科学研究院 | Intelligent suction device for preventing tube drawing from splashing and application method thereof |
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