CN114392432A - A breathe drug delivery system for breathing internal medicine - Google Patents
A breathe drug delivery system for breathing internal medicine Download PDFInfo
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- CN114392432A CN114392432A CN202210162186.5A CN202210162186A CN114392432A CN 114392432 A CN114392432 A CN 114392432A CN 202210162186 A CN202210162186 A CN 202210162186A CN 114392432 A CN114392432 A CN 114392432A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/105—Filters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
Abstract
The invention discloses a respiratory drug delivery system for respiratory medicine, which comprises a breathing machine and an atomizer, wherein the atomizer is arranged on the breathing machine; the air outlet end of the respirator is communicated with an atomizer, the atomizer is connected with a medicine storage box, the outlet end of the atomizer is connected with a filtering mechanism, and atomized medicine is conveyed into the respirator after passing through the filtering mechanism and is absorbed by a patient; the atomizer is controlled by a single chip microcomputer, the single chip microcomputer is connected with at least one temperature detection device, and the temperature detection device is arranged in a breather pipe from the atomizer to the respirator; the atomized water drops are filtered by the arranged filtering mechanism, so that the patient is prevented from being choked when being inhaled into the lung; through the automatic sealing structure who sets up, when changing the filter core, can prevent not through filterable pearl of water suction patient internal through the second baffle self sealing of a elastic component U type buckle and elastic component two, arouse patient's discomfort.
Description
Technical Field
The invention belongs to the field of respiratory medicine administration equipment, and particularly relates to a respiratory medicine administration system for respiratory medicine.
Background
The medicine has several administration routes, such as oral administration, intravenous injection, subcutaneous injection, sublingual administration, rectal perfusion, nasal spray, oral spray, and skin administration. The inhalation combines the anatomical physiological characteristics of the respiratory system and the aerosol technology, and has the characteristics of convenient administration, no pain, small dosage, quick drug effect, less adverse reaction and the like, thereby being widely concerned by the medical field. The medicine directly enters into alveolus through inhalation, can directly enter into blood through capillary vessels of the alveolus, has short transport distance, and can be conveyed to the whole body at a high speed; the nasal mucosa olfactory region is the only external environment directly communicated with the brain, so that the medicine acting on the brain can directly act on the brain without passing through the blood brain barrier, and the effect is quick.
At present, the respiratory medicine administration is simple, a spray bottle is generally adopted to be directly sprayed into a nasal cavity or an oral cavity for a patient to inhale, respiratory diseases can be assisted to inhale by combining a breathing machine and an atomizer, and after liquid or solid medicines are atomized, the medicines are directly inhaled into the body through the respiratory action of the patient. However, when the atomized water is inhaled after being atomized by the atomizer, the atomized water vapor can be condensed into water drops, and if the atomized water drops are inhaled directly, the water drops are choked to a patient, so that the patient feels uncomfortable; and current respiratory drug delivery system lacks corresponding monitoring or control accuracy is relatively poor to the steam temperature after the atomizing, if the medicine steam temperature after the atomizing is too high or low can cause patient's discomfort, experience is relatively poor.
Chinese patent application No. 201610462116.6 discloses a medical breathing device of dosing, including the liquid medicine warmer, advance the medicine mouth, liquid medicine atomizer, air purifier, the intake pipe, the venthole, respirator, the shower nozzle subassembly of dosing and the hose of dosing, be equipped with into the medicine mouth on the liquid medicine warmer, liquid medicine warmer lower extreme is equipped with liquid medicine atomizer, liquid medicine atomizer lower extreme assembly air purifier, the air purifier right-hand member is equipped with air purifier, the respirator is connected to the intake pipe right-hand member, install the venthole on the respirator, the hose of dosing is connected to the respirator left end, the hose right-hand member of dosing is equipped with the shower nozzle subassembly of dosing, liquid medicine atomizer is connected to the hose left end of dosing, the shower nozzle subassembly of dosing is installed inside respirator. Among the above-mentioned prior art, the steam after the atomizing can condense into the drop of water, can lead to chocking to the patient after directly inhaling to current respiratory drug delivery system lacks corresponding monitoring or control accuracy poor to the steam temperature after the atomizing, if the medicine steam temperature after the atomizing is too high or low can all cause patient's discomfort, experience feels relatively poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a respiratory drug delivery system for respiratory medicine, atomized water drops are filtered by a filtering mechanism, and a patient is prevented from being choked when being inhaled into the lung; through the arranged automatic sealing structure, when the filter element is replaced, the filter element can be automatically sealed through the U-shaped buckle of the elastic assembly I and the second baffle of the elastic assembly II, so that the phenomenon that unfiltered water drops are absorbed into the body of a patient to cause discomfort of the patient is prevented; through the temperature detecting system who sets up, carry out analysis processes to the temperature information of gathering, increase the accuracy nature of testing result, be convenient for control the temperature in the breather pipe, prevent that patient system's atomizing gas temperature is too high or cross low excessively.
The invention provides the following technical scheme:
a respiratory drug delivery system for respiratory medicine comprises a breathing machine and a nebulizer; the air outlet end of the respirator is communicated with an atomizer, the atomizer is connected with a medicine storage box, the outlet end of the atomizer is connected with a filtering mechanism, and atomized medicine is conveyed into the respirator after passing through the filtering mechanism and is absorbed by a patient; the atomizer is controlled by a single chip microcomputer, the single chip microcomputer is connected with at least one temperature detection device, and the temperature detection device is arranged in a breather pipe from the atomizer to the respirator;
the filter mechanism comprises a shell, a filter element is arranged in the shell, a movable door is arranged on the outer side wall of the shell, and the filter element can be replaced through the movable door; the inside automatic sealing mechanism that is equipped with of casing, automatic sealing mechanism can self-sealing when taking out the filter core, prevents that the medicine after the atomizing directly gets into the respiratory mask in, automatic sealing mechanism includes elastic component one and elastic component two, elastic component one connection has U type buckle, and elastic component two is connected with first baffle, and one side symmetry that elastic component two was kept away from to first baffle is equipped with two second baffles, and second baffle and U type buckle can carry out sealing connection.
Preferably, elastic component one sets up in the both sides of casing, elastic component one includes two solid pieces, two solid piece with the inner wall connection of casing, two be equipped with the slide bar between the solid piece, be equipped with the sliding block on the slide bar, sliding block and slide bar clearance sliding connection, one side of sliding block is equipped with first compression spring, the opposite side of sliding block is equipped with extension spring, first compression spring and extension spring all overlap and establish on the slide bar.
Preferably, the outer side wall of the sliding block is connected with a U-shaped buckle, and a filter element is clamped in the U-shaped buckle; the elastic assembly comprises a support rod, one end of the support rod is connected with the inner wall of the shell, a sleeve is arranged at the other end of the support rod, the end part of the support rod is arranged in the sleeve, and the support rod and the sleeve form clearance sliding connection; the other end of the sleeve is connected with a first baffle, the other side of the first baffle is vertically connected with two second baffles, the free end part of each second baffle is provided with a sealing gasket, and each second baffle can be in sealing connection with the U-shaped buckle through the corresponding sealing gasket.
Preferably, the one end that the atomizer was kept away from to the casing is equipped with the shell body, the inside of shell body is equipped with interior casing, the one end and the casing intercommunication of interior casing, be equipped with at least one air inlet on the interior casing, be equipped with at least one gas outlet on the shell body.
Preferably, a first air valve is arranged on the outer side of the air inlet, and a second air valve is arranged on the outer side of the air outlet.
Preferably, one side of the first baffle close to the U-shaped buckle is provided with at least one support plate, the lower part of the support plate is rectangular, the upper part of the support plate is trapezoidal, and one side of the support plate close to the filter element is of an inclined structure.
Preferably, the temperature detection system comprises a single chip microcomputer and at least one temperature detection device, the single chip microcomputer is in control connection with the atomizer, and the temperature detection device is arranged on the inner wall of the vent pipe; the temperature detection device comprises a plurality of temperature sensor probes, the temperature sensor probes are connected with a data acquisition card, the data acquisition card is connected with an FPGA module, the FPGA module comprises a Lora module, and the Lora module wirelessly transmits acquired temperature signals to an upper computer through a relay network management system.
Preferably, the upper computer analyzes the temperature state of the atomized medicine in the vent pipe by analyzing the data of the acquired temperature signal, and gives a temperature alarm when the temperature state is greater than or less than a set threshold value; and meanwhile, storing the collected temperature data into a database.
Preferably, the detection method of the temperature detection system comprises the following steps of firstly, acquiring temperature information in the ventilation tube through a temperature sensing probe; step two, configuring a database for the acquired temperature information for storage; step three, analyzing and processing the collected temperature information; and step four, comparing the analyzed and processed output data with a set temperature threshold, giving a temperature alarm when the output data is greater than the set threshold or smaller than the set threshold, and controlling the temperature of the atomizer to rise or fall by the singlechip.
Preferably, the first valve is rotatably connected with the outer wall of the inner shell through a hinge, and the second valve is rotatably connected with the outer wall of the outer shell through a hinge.
Preferably, the filter element is a multi-layer nylon mesh cloth and is fixed by a plastic frame, so that water drops with larger particles can be filtered.
In addition, when the filter element is installed, the movable door is opened, and the filter element is clamped on the U-shaped clamp. The U-shaped buckle and the second baffle are under the action of the elastic assembly I and the elastic assembly II, the default state is a sealing state, when the filter element is clamped on the U-shaped buckle, the filter element presses the supporting plate, the supporting plate drives the first baffle to compress the elastic assembly II, the second compression spring compresses the supporting rod to enable the supporting rod to enter the sleeve, and the first baffle moves towards the direction close to the elastic assembly II; simultaneously because cross the filter core and receive the pressure of backup pad, cross the filter core and drive U type buckle and advance to the direction of keeping away from first baffle and remove, first compression spring receives the compression, and extension spring stretches, and U type buckle and second baffle separation in this process make the left side and the right side of casing form the intercommunication state, and the medicine after supplying the atomizing enters into breather pipe and respiratory mask through crossing the filter core in. When filtering the filter core and changing, take out the filter core from U type buckle, at this moment because the backup pad breaks away from the support of filtering the filter core, second compression spring receives the restoring force and drives first baffle and second baffle and carry out reverse motion, first compression spring receives bounce simultaneously, extension spring receives the restoring force and drives sliding block and U type buckle jointly and slide, U type buckle receives the elasticity of elastic component one, the second baffle receives the elasticity of elastic component two, make U type buckle and the sealed crimping of second baffle, when preventing to take out the filter core, the atomized water pearl inhales the patient internally, effectively protect the patient, prevent to chock the patient. In order to improve the sealing effect of the second baffle and the U-shaped buckle, the acting force directions of the first compression spring and the extension spring are the same, the first compression spring and the extension spring act together with the U-shaped buckle, the acting force of the second compression spring is opposite to the acting force of the first compression spring and the extension spring, and the pitch t, the pitch D and the length l of the first compression spring and the second compression spring meet the following relations: t ═ α · (l/D); wherein alpha is the pitch coefficient of the spring, and the value range is 0.26-3.32.
Preferably, the sealing gasket is made of one or more of natural rubber, chloroprene rubber, nitrile rubber and ethylene propylene rubber, so that the sealing performance of the U-shaped buckle and the second baffle plate is improved. The Shore hardness H of the sealing gasket meets 15-85, and the rebound rate k is 30-85%; and k is lambda.H/3 between the Shore hardness H and the rebound rate k of the sealing gasket, wherein lambda is the coefficient of the rebound rate and is in the range of 0.009-0.055. In order to enable the first spring assembly and the second spring assembly to have better synergistic effect and further improve the sealing effect of the second baffle and the U-shaped bayonet, the Shore hardness H and the rebound rate k of the sealing gasket and the pitch t, the pitch D and the length l of the first compression spring and the second compression spring meet the following relations: h · D ═ Ψ · (kt)/l; psi is a relation adjusting coefficient, and the value range is 0.68-16.88.
In addition, when a patient breathes, in order to prevent exhaled air from reversely entering the shell and affecting the normal inhalation efficiency of atomized medicines, when the patient inhales medicines, the inside of the outer shell is in an open state under the action of negative pressure, the first valve is in a closed state under the action of negative pressure due to the arrangement outside the outer shell, and the atomized medicines enter the outer shell from the inside of the inner shell through the air inlet after being filtered and enter the breathing mask through the air pipe connected with the outer shell for the patient to inhale; when the patient exhales, the gas of exhalation gets into outer box body in, outer box body internal pressure grow, and the second valve receives pressure and outwards is the open mode, and first valve receives pressure and is the closed condition, and the gas of exhalation is inside from the gas outlet through outer box body at this moment and discharges, prevents inside the air admission casing of exhalation, and it is internal with the gas mixture after the atomizing from newly inhaling the patient, influences the absorption efficiency of medicine to promote the effect of breathing and dosing.
In addition, when the temperature detection system analyzes and processes the acquired temperature data in the vent pipe, the method for extracting the temperature characteristics comprises the following steps: firstly, respectively placing a base number of minus 50 ℃ into a hair cutting calculator 1 and a temperature register, and presetting the base number value corresponding to the minus 50 ℃ in the subtraction counter 1 and the temperature register; and then the down counter 1 subtracts the pulse signal generated by the low-temperature coefficient crystal oscillator, when the preset value of the square down counter 1 is equal to 0, the value of the temperature register is added by 1, the preset of the down counter is reloaded, the down counter 1 restarts to count the pulse signal generated by the low-temperature coefficient crystal oscillator, when the count of the down counter 2 is equal to 0 after the calculation is circulated, the accumulation of the value of the temperature register is stopped, and the value in the temperature register is the measured temperature value. The temperature value can be obtained by the method, and the temperature data can be conveniently processed in the subsequent steps.
After temperature data is obtained, the temperature data is processed in a segmented mode, information processing samples are obtained, when sample processing is carried out, the spatial characteristics and accuracy of sample data are improved by adopting sample selection, the selected samples are more representative, the sample selection method comprises the steps of calculating the Euclidean distance between any two classified samples, and selecting two samples with the farthest distance to form a sample subset; respectively calculating Euclidean distances between the rest samples and the sample subsets, and storing the minimum distance; selecting a new sample with the largest distance from the stored minimum distances, storing the new sample into a sample subset, calculating Euclidean distances between the rest samples and the samples in the sample subset, and repeating the steps until all sample data meeting the conditions are found; after the sample data is found, the clustering operation is carried out on the sample data, and finally the temperature data in the vent pipe is obtained, so that the temperature error is eliminated, and the accuracy of temperature measurement is greatly improved.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the respiratory drug delivery system for the respiratory medicine department, atomized water drops are filtered through the arranged filtering mechanism, so that a patient is prevented from being choked by inhaling the lung; through the automatic sealing structure who sets up, when changing the filter core, can prevent not through filterable pearl of water suction patient internal through the second baffle self sealing of a elastic component U type buckle and elastic component two, arouse patient's discomfort.
(2) According to the respiratory medicine delivery system for the respiratory medicine department, the acquired temperature information is analyzed and processed through the arranged temperature detection system, so that the accuracy of the detection result is improved, the temperature in the ventilation tube is convenient to control, and the over-high or over-low temperature of the atomized gas of a patient system is prevented.
(3) The respiratory drug delivery system for the respiratory medicine department is characterized in that the acting force directions of a first compression spring and an extension spring are the same, the first compression spring and the extension spring act together to form a U-shaped buckle, the acting force of a second compression spring is opposite to the acting force of the first compression spring and the extension spring, the first compression spring and the second compression spring are limited, the pitch and the length of the first compression spring and the second compression spring meet the requirements, and the sealing effect of a second baffle and the U-shaped buckle is further improved.
(4) According to the respiratory medicine delivery system for the respiratory medicine department, the Shore hardness and the rebound rate of the sealing gasket and the relation among the pitch, the thread pitch and the length of the first compression spring and the second compression spring are limited, so that the better synergistic effect of the first spring assembly and the second spring assembly is improved, and the sealing effect of the second baffle and the U-shaped bayonet is further improved.
(5) According to the respiratory drug delivery system for the respiratory medicine department, the temperature value can be obtained through the set temperature extraction method, and the temperature data can be conveniently processed in the subsequent steps.
(6) According to the respiratory drug delivery system for the respiratory medicine department, after the set sample data is found by the set sample selection method, the cluster operation is performed on the sample data, and finally the temperature data in the vent pipe is obtained, so that the temperature error is eliminated, and the accuracy of temperature measurement is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the filter mechanism of the present invention.
FIG. 3 is a schematic view of the first and second elastic members of the present invention.
FIG. 4 is an internal view of the outer case according to the present invention.
Fig. 5 is a schematic view of the overall structure of the filter mechanism of the present invention.
Fig. 6 is a schematic view of a support plate of the present invention.
Fig. 7 is a block diagram of a respiratory drug delivery system of the present invention.
FIG. 8 is a block diagram of the temperature sensing system of the present invention.
Fig. 9 is a block diagram of the temperature detection device of the present invention.
FIG. 10 is a functional block diagram of the temperature sensing system of the present invention.
In the figure: 1. a housing; 2. an outer case; 3. an atomizer; 4. a respiratory mask; 5. a first elastic component; 6. a second elastic component; 7. a first baffle plate; 8. a second baffle; 9. a support plate; 10. a filter element; 11. a slider; 12. a U-shaped buckle; 13. a gasket; 14. an air inlet; 15. an air outlet; 16. a first valve; 17. a second valve; 18. an inner box body; 19. a movable door; 20. a breather pipe; 51. fixing blocks; 52. a slide bar; 53. a first compression spring; 54. an extension spring; 61. a strut; 62. a sleeve; 63. a second compression spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, a respiratory drug delivery system for respiratory medicine comprises a breathing machine, a nebulizer 3; the air outlet end of the respirator is communicated with an atomizer 3, the atomizer 3 is connected with a medicine storage box, the outlet end of the atomizer 3 is connected with a filtering mechanism, and atomized medicine is conveyed into a respirator 4 after passing through the filtering mechanism for absorption by a patient; the atomizer 3 is controlled by a single chip microcomputer which is connected with at least one temperature detection device, and the temperature detection device is arranged in a breather pipe 20 from the atomizer 3 to the breathing mask 4;
the filter mechanism comprises a shell 1, a filter element 10 is arranged in the shell 1, a movable door 19 is arranged on the outer side wall of the shell 1, and the filter element 10 can be replaced through the movable door 19; the inside automatic sealing mechanism that is equipped with of casing 1, automatic sealing mechanism can self-sealing when taking out filter core 10, prevents that the medicine after the atomizing directly gets into in respiratory mask 4, automatic sealing mechanism includes elastic component one 6 and elastic component two, elastic component one 6 is connected with U type buckle 12, and elastic component two is connected with first baffle 7, and the one side symmetry that elastic component two was kept away from to first baffle 7 is equipped with two second baffles 8, and second baffle 8 can carry out sealing connection with U type buckle 12.
The first air valve 16 is rotatably connected with the outer wall of the inner shell 1 through a hinge, and the second air valve 17 is rotatably connected with the outer wall of the outer shell 1 through a hinge. The filter element 10 is a multi-layer nylon mesh cloth, is fixed by a plastic frame and can filter water drops with larger particles.
Example two:
as shown in fig. 2 to 6, on the basis of the first embodiment, the first elastic assembly 6 is disposed on two sides of the housing 1, the first elastic assembly 6 includes two fixing blocks 51, the two fixing blocks 51 are connected to the inner wall of the housing 1, a sliding rod 52 is disposed between the two fixing blocks 51, the sliding rod 52 is provided with a sliding block 11, the sliding block 11 is slidably connected to the sliding rod 52 in a gap, one side of the sliding block 11 is provided with a first compression spring 53, the other side of the sliding block 11 is provided with an extension spring 54, and the first compression spring 53 and the extension spring 54 are both sleeved on the sliding rod 52.
The outer side wall of the sliding block 11 is connected with a U-shaped buckle 12, and a filter element 10 is clamped in the U-shaped buckle 12; the elastic assembly II comprises a supporting rod 61, one end of the supporting rod 61 is connected with the inner wall of the shell 1, a sleeve 62 is arranged at the other end of the supporting rod 61, the end part of the supporting rod 61 is arranged in the sleeve 62, and the supporting rod 61 and the sleeve 62 form clearance sliding connection; the other end of sleeve pipe 62 is connected with first baffle 7, the opposite side of first baffle 7 is connected with two second baffles 8 perpendicularly, the free end of second baffle 8 is equipped with sealed the pad 13, second baffle 8 through sealed pad 13 can with U type buckle 12 constitutes sealing connection.
The one end that atomizer 3 was kept away from to casing 1 is equipped with shell body 1, the inside of shell body 1 is equipped with interior casing 1, the one end and the casing 1 intercommunication of interior casing 1, be equipped with at least one air inlet 14 on the interior casing 1, be equipped with at least one gas outlet 15 on the shell body 1.
A first air valve 16 is arranged outside the air inlet 14, and a second air valve 17 is arranged outside the air outlet 15. One side of the first baffle 7 close to the U-shaped buckle 12 is provided with at least one support plate 9, the lower part of the support plate 9 is rectangular, the upper part of the support plate 9 is trapezoidal, and one side of the support plate 9 close to the filter element 10 is of an inclined structure.
When the filter element 10 is loaded, the movable door 19 is opened, and the filter element 10 is clamped on the U-shaped buckle 12. Under the action of the first elastic assembly 6 and the second elastic assembly, the U-shaped buckle 12 and the second baffle plate 8 are under the action of elasticity, the default state is a sealing state, when the filter element 10 is clamped on the U-shaped buckle 12, the filter element 10 presses the support plate 9, the support plate 9 drives the first baffle plate 7 to compress the second elastic assembly, the second compression spring 63 compresses to enable the support rod 61 to enter the sleeve 62, and the first baffle plate 7 moves towards the direction close to the second elastic assembly; meanwhile, the filter core 10 is pressed by the support plate 9, the filter core 10 drives the U-shaped buckle 12 to move in the direction away from the first baffle 7, the first compression spring 53 is compressed, the extension spring 54 is extended, and the U-shaped buckle 12 is separated from the second baffle 8 in the process, so that the left side and the right side of the shell 1 form a communication state, and atomized medicines enter the ventilating pipe 20 and the breathing mask 4 through the filter core 10. When the filter element 10 is replaced, the filter element 10 is drawn out from the U-shaped buckle 12, at the moment, the supporting plate 9 is separated from the support of the filter element 10, the second compression spring 63 is subjected to restoring force to drive the first baffle 7 and the second baffle 8 to move reversely, meanwhile, the first compression spring 53 is subjected to rebound force, the extension spring 54 is subjected to restoring force to jointly drive the sliding block 11 and the U-shaped buckle 12 to slide, the U-shaped buckle 12 is subjected to elastic force of the first elastic component 6, the second baffle 8 is subjected to elastic force of the second elastic component, the U-shaped buckle 12 and the second baffle 8 are in sealed pressure joint, when the filter element 10 is prevented from being drawn out, atomized water drops are sucked into a patient body, the patient is effectively protected, and the patient is prevented from being choked. In order to improve the sealing effect of the second baffle 8 and the U-shaped buckle 12, the acting force directions of the first compression spring 53 and the extension spring 54 are the same, the acting force of the second compression spring 63 and the acting force of the first compression spring 53 and the acting force of the extension spring 54 are opposite, and the pitch t, the pitch D and the length l of the first compression spring 53 and the second compression spring 63 satisfy the following relations: t ═ α · (l/D); wherein alpha is the pitch coefficient of the spring, and the value range is 0.26-3.32.
The sealing gasket 13 is made of one or more of natural rubber, chloroprene rubber, nitrile rubber and ethylene propylene rubber to increase the sealing performance of the U-shaped buckle 12 and the second baffle 8. The Shore hardness H of the sealing gasket 13 meets 15-85, and the rebound rate k is 30-85%; and k is lambda.H/3 between the Shore hardness H and the rebound rate k of the sealing gasket 13, wherein lambda is a coefficient of the rebound rate and is in a value range of 0.009-0.055. In order to better cooperate the first spring assembly and the second spring assembly, and further improve the sealing effect of the second baffle 8 and the U-shaped bayonet, the shore H and the rebound rate k of the sealing gasket 13 and the pitch t, the pitch D and the length l of the first compression spring 53 and the second compression spring 63 satisfy the following relations: h · D ═ Ψ · (kt)/l; psi is a relation adjusting coefficient, and the value range is 0.68-16.88.
Example three:
as shown in fig. 7-10, on the basis of the first embodiment, the temperature detection system further comprises a single chip microcomputer and at least one temperature detection device, wherein the single chip microcomputer is controlled and connected with the atomizer 3, and the temperature detection device is arranged on the inner wall of the vent pipe 20; the temperature detection device comprises a plurality of temperature sensor probes, the temperature sensor probes are connected with a data acquisition card, the data acquisition card is connected with an FPGA module, the FPGA module comprises a Lora module, and the Lora module wirelessly transmits acquired temperature signals to an upper computer through a relay network management system.
The upper computer analyzes the temperature state of the atomized medicine in the vent pipe 20 by performing data analysis on the acquired temperature signal, and performs temperature alarm when the temperature state is greater than or less than a set threshold value; and meanwhile, storing the collected temperature data into a database.
The detection method of the temperature detection system comprises the following steps that firstly, temperature information in the vent pipe 20 is obtained through the temperature sensing probe; step two, configuring a database for the acquired temperature information for storage; step three, analyzing and processing the collected temperature information; and step four, comparing the analyzed and processed output data with a set temperature threshold, giving a temperature alarm when the output data is greater than the set threshold or smaller than the set threshold, and controlling the temperature of the atomizer 3 to rise or fall by the singlechip.
When the temperature detection system analyzes and processes the acquired temperature data in the vent pipe 20, the method for extracting the temperature characteristics comprises the following steps: firstly, respectively placing a base number of minus 50 ℃ into a hair cutting calculator 1 and a temperature register, and presetting the base number value corresponding to the minus 50 ℃ in the subtraction counter 1 and the temperature register; and then the down counter 1 subtracts the pulse signal generated by the low-temperature coefficient crystal oscillator, when the preset value of the square down counter 1 is equal to 0, the value of the temperature register is added by 1, the preset of the down counter is reloaded, the down counter 1 restarts to count the pulse signal generated by the low-temperature coefficient crystal oscillator, when the count of the down counter 2 is equal to 0 after the calculation is circulated, the accumulation of the value of the temperature register is stopped, and the value in the temperature register is the measured temperature value. The temperature value can be obtained by the method, and the temperature data can be conveniently processed in the subsequent steps.
After temperature data is obtained, the temperature data is processed in a segmented mode, information processing samples are obtained, when sample processing is carried out, the spatial characteristics and accuracy of sample data are improved by adopting sample selection, the selected samples are more representative, the sample selection method comprises the steps of calculating the Euclidean distance between any two classified samples, and selecting two samples with the farthest distance to form a sample subset; respectively calculating Euclidean distances between the rest samples and the sample subsets, and storing the minimum distance; selecting a new sample with the largest distance from the stored minimum distances, storing the new sample into a sample subset, calculating Euclidean distances between the rest samples and the samples in the sample subset, and repeating the steps until all sample data meeting the conditions are found; after the sample data is found, the clustering operation is carried out on the sample data, and finally the temperature data in the vent pipe 20 is obtained, so that the temperature error is eliminated, and the accuracy of temperature measurement is greatly improved.
Example four
On the basis of the first embodiment, when a patient breathes, in order to prevent exhaled air from reversely entering the shell 1 and affecting the normal inhalation efficiency of the atomized medicine, when the patient inhales the medicine, the inside of the outer shell 2 is under the action of negative pressure, the first air valve 16 is under the action of negative pressure and is in an open state, the second air valve 17 is arranged outside the outer shell 1 and is under the action of negative pressure and is in a closed state, at the moment, the atomized medicine enters the outer shell 2 from the inside of the inner shell 18 through the air inlet 14 after being filtered, and enters the breathing mask 4 through the air pipe 20 connected with the outer shell 2 for the patient to inhale; when the patient exhales, the gas of exhalation gets into outer box 2 in, outer box 2 internal pressure grow, second valve 17 receives pressure and outwards is the open mode, first valve 16 receives pressure and is the closed condition, the gas of exhalation is inside from gas outlet 15 through outer box 2 at this moment, prevent that the air of exhalation from getting into casing 1 inside, mix from newly inhaling the patient internal with the gas after the atomizing, influence the absorption efficiency of medicine to promote the effect of breathing and dosing.
The device obtained by the technical scheme is a respiratory drug delivery system for respiratory medicine, atomized water drops are filtered by the arranged filtering mechanism, and a patient is prevented from being choked when being inhaled into the lung; through the automatic sealing structure who sets up, when changing the filter core, can prevent not through filterable pearl of water suction patient internal through the second baffle self sealing of a elastic component U type buckle and elastic component two, arouse patient's discomfort. Through the temperature detecting system who sets up, carry out analysis processes to the temperature information of gathering, increase the accuracy nature of testing result, be convenient for control the temperature in the breather pipe, prevent that patient system's atomizing gas temperature is too high or cross low excessively. The acting force direction through setting up first compression spring and extension spring is the same, combined action and U type buckle, second compression spring's acting force is reverse opposite with first compression spring and extension spring's combined action, prescribes a limit to first compression spring and second compression spring, the relation that satisfies between its pitch, the length, further improves the sealed effect of second baffle and U type buckle. Through the relation between the shore hardness and the rebound rate of the limited sealing gasket, and the pitch, the thread pitch and the length of the first compression spring and the second compression spring, the better synergistic effect of the first spring assembly and the second spring assembly is improved, and the sealing effect of the second baffle and the U-shaped bayonet is further improved. The temperature value can be obtained through the set temperature extraction method, and the subsequent steps can conveniently process the temperature data. After the set sample selection method is used for finding the sample data, the clustering operation is carried out on the sample data, and finally the temperature data in the vent pipe is obtained, so that the temperature error is eliminated, and the accuracy of temperature measurement is greatly improved.
Other technical solutions not described in detail in the present invention are prior art in the field, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A respiratory drug delivery system for respiratory medicine, characterized by: comprises a breathing machine and a atomizer (3); the air outlet end of the respirator is communicated with an atomizer (3), the atomizer (3) is connected with a medicine storage box, the outlet end of the atomizer (3) is connected with a filtering mechanism, and atomized medicine is delivered into a respirator (4) after passing through the filtering mechanism for absorption by a patient; the atomizer (3) is controlled by a single chip microcomputer, the single chip microcomputer is connected with at least one temperature detection device, and the temperature detection device is arranged in a breather pipe (20) from the atomizer (3) to the breathing mask (4); the filter mechanism comprises a shell (1), a filter element (10) is arranged in the shell (1), a movable door (19) is arranged on the outer side wall of the shell (1), and the filter element (10) can be replaced through the movable door (19); the inside automatic sealing mechanism that is equipped with of casing (1), automatic sealing mechanism can self-sealing when taking out filter core (10), prevents that the medicine after the atomizing directly gets into respiratory mask (4) in, automatic sealing mechanism includes elastic component (6) and elastic component two, elastic component (6) are connected with U type buckle (12), and the elastic component second is connected with first baffle (7), and one side symmetry that elastic component two was kept away from in first baffle (7) is equipped with two second baffles (8), and sealing connection can be carried out with U type buckle (12) in second baffle (8).
2. The respiratory drug delivery system for the respiratory medicine department according to claim 1, wherein the first elastic component (6) is arranged on two sides of the shell (1), the first elastic component (6) comprises two fixing blocks (51), the two fixing blocks (51) are connected with the inner wall of the shell (1), a sliding rod (52) is arranged between the two fixing blocks (51), a sliding block (11) is arranged on the sliding rod (52), the sliding block (11) is in clearance sliding connection with the sliding rod (52), a first compression spring (53) is arranged on one side of the sliding block (11), an extension spring (54) is arranged on the other side of the sliding block (11), and the first compression spring (53) and the extension spring (54) are both sleeved on the sliding rod (52).
3. The respiratory drug delivery system for department of respiratory medicine according to claim 2, characterized in that the outer side wall of the sliding block (11) is connected with a U-shaped buckle (12), and the U-shaped buckle (12) is internally clamped with the filter element (10); the elastic assembly II comprises a supporting rod (61), one end of the supporting rod (61) is connected with the inner wall of the shell (1), a sleeve (62) is arranged at the other end of the supporting rod (61), the end part of the supporting rod (61) is arranged inside the sleeve (62), and the supporting rod (61) and the sleeve (62) form clearance sliding connection; the other end of sleeve pipe (62) is connected with first baffle (7), the opposite side of first baffle (7) is connected with two second baffles (8) perpendicularly, the free end of second baffle (8) is equipped with sealed pad (13), second baffle (8) through sealed pad (13) can with U type buckle (12) constitute sealing connection.
4. The respiratory drug delivery system for department of respiratory medicine according to claim 1, characterized in that the end of the shell (1) far away from the atomizer (3) is provided with an outer shell (1), the inner shell (1) is arranged inside the outer shell (1), one end of the inner shell (1) is communicated with the shell (1), the inner shell (1) is provided with at least one air inlet (14), and the outer shell (1) is provided with at least one air outlet (15).
5. The respiratory drug delivery system for department of respiratory medicine according to claim 4, characterized in that the outside of the gas inlet (14) is provided with a first air damper (16) and the outside of the gas outlet (15) is provided with a second air damper (17).
6. The respiratory drug delivery system for department of respiratory medicine according to claim 3, wherein at least one support plate (9) is arranged on one side of the first baffle (7) close to the U-shaped buckle (12), the lower part of the support plate (9) is rectangular, the upper part of the support plate (9) is trapezoidal, and one side of the support plate (9) close to the filter core (10) is of an inclined structure.
7. The respiratory drug delivery system for department of respiratory medicine according to claim 1, further comprising a temperature detection system, wherein the temperature detection system comprises a single chip microcomputer and at least one temperature detection device, the single chip microcomputer is in control connection with the atomizer, and the temperature detection device is arranged on the inner wall of the ventilation pipe; the temperature detection device comprises a plurality of temperature sensor probes, the temperature sensor probes are connected with a data acquisition card, the data acquisition card is connected with an FPGA module, the FPGA module comprises a Lora module, and the Lora module wirelessly transmits acquired temperature signals to an upper computer through a relay network management system.
8. The respiratory drug delivery system for department of respiratory medicine according to claim 7, wherein the upper computer analyzes the temperature state of the atomized drug in the ventilation tube by performing data analysis on the acquired temperature signal, and performs temperature alarm when the temperature state is greater than or less than a set threshold value; and meanwhile, storing the collected temperature data into a database.
9. The respiratory drug delivery system for department of respiratory medicine according to claim 8, characterized in that the detection method of the temperature detection system is, step one, obtaining the temperature information in the airway through the temperature sensing probe; step two, configuring a database for the acquired temperature information for storage; step three, analyzing and processing the collected temperature information; and step four, comparing the analyzed and processed output data with a set temperature threshold, giving a temperature alarm when the output data is greater than the set threshold or smaller than the set threshold, and controlling the temperature of the atomizer to rise or fall by the singlechip.
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Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4904382A (en) * | 1987-11-23 | 1990-02-27 | Everpure, Inc. | Filter cartridge security for locking between operating and non-operating positions |
| US5336406A (en) * | 1993-01-26 | 1994-08-09 | Elkay Manufacturing Company | Replaceable filter cartridge and head assembly with safety shut-off valve |
| US20030168062A1 (en) * | 2002-03-11 | 2003-09-11 | Blythe Kevin Sanford | Pulmonary dosing system and method |
| US20040231517A1 (en) * | 2003-05-23 | 2004-11-25 | Van Der Maas Marinus Frans | Quick-change filter system and a base and a quick-change filter intended for such a system |
| WO2005082462A1 (en) * | 2004-02-03 | 2005-09-09 | Rolland Marais | Method and devices for fully controlling respiratory protection provided with assisted ventilation and based on the use of filters |
| US20060078506A1 (en) * | 2004-05-20 | 2006-04-13 | Ralph Niven | Methods, systems and devices for noninvasive pulmonary delivery |
| US20120217196A1 (en) * | 2009-11-03 | 2012-08-30 | Mann+Hummel Gmbh | Exchangeable Filter Element, Filter Part Fixed with Respect to System, and Filter System |
| US20120285464A1 (en) * | 2011-05-11 | 2012-11-15 | Birch Stephen J | Non-invasive ventilation facial skin protection |
| CN106377822A (en) * | 2016-10-21 | 2017-02-08 | 姚树娈 | Administration device of respiratory medicine |
| CN107661651A (en) * | 2017-11-08 | 2018-02-06 | 湖州森德高新材料有限公司 | A kind of automatic filter for changing filter core |
| CN109172964A (en) * | 2018-10-17 | 2019-01-11 | 青岛大学 | A kind of medical treatment and nursing atomizer |
| CN208582817U (en) * | 2017-12-06 | 2019-03-08 | 龚海芳 | A kind of Respiratory Medicine drug delivery device |
| CN209286402U (en) * | 2018-11-21 | 2019-08-23 | 于国华 | A kind of respiratory department atomization device |
| CN210301963U (en) * | 2019-02-28 | 2020-04-14 | 王素娟 | Breathe internal medicine with medical treatment and send medicine cover |
| CN211611143U (en) * | 2019-08-27 | 2020-10-02 | 刘婵 | Medicine spraying device for respiratory medicine |
| WO2020201483A1 (en) * | 2019-04-05 | 2020-10-08 | Hengst Se | Filter with a two-part filter housing and with a filter insert with a seal support, and filter insert for the filter |
| CN213432359U (en) * | 2020-06-10 | 2021-06-15 | 吴永利 | Breathe atomizing device for internal medicine |
| US20210236750A1 (en) * | 2018-06-06 | 2021-08-05 | The Research Foundation For The State University Of New York | Breath actuated nebulizer for ventilator circuit |
| CN213885254U (en) * | 2020-11-23 | 2021-08-06 | 新乡市振航机电有限公司 | Automatic sealing filter for replacing filter element |
| CN113279938A (en) * | 2021-05-11 | 2021-08-20 | 敖朱宇 | Air compressor machine with blowdown device of making an uproar falls |
| CN214018800U (en) * | 2020-05-27 | 2021-08-24 | 皖南医学院第一附属医院（皖南医学院弋矶山医院） | Breathe internal medicine nursing and use artificial respirator |
| CN214406341U (en) * | 2021-03-12 | 2021-10-15 | 湖南智慧生活科技有限公司 | Intelligent indoor fresh air filtering device |
| CN215309463U (en) * | 2021-06-29 | 2021-12-28 | 朱玲 | Air flue humidifying device in intensive care |
-
2022
- 2022-02-22 CN CN202210162186.5A patent/CN114392432B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4904382A (en) * | 1987-11-23 | 1990-02-27 | Everpure, Inc. | Filter cartridge security for locking between operating and non-operating positions |
| US5336406A (en) * | 1993-01-26 | 1994-08-09 | Elkay Manufacturing Company | Replaceable filter cartridge and head assembly with safety shut-off valve |
| US20030168062A1 (en) * | 2002-03-11 | 2003-09-11 | Blythe Kevin Sanford | Pulmonary dosing system and method |
| US20040231517A1 (en) * | 2003-05-23 | 2004-11-25 | Van Der Maas Marinus Frans | Quick-change filter system and a base and a quick-change filter intended for such a system |
| WO2005082462A1 (en) * | 2004-02-03 | 2005-09-09 | Rolland Marais | Method and devices for fully controlling respiratory protection provided with assisted ventilation and based on the use of filters |
| US20060078506A1 (en) * | 2004-05-20 | 2006-04-13 | Ralph Niven | Methods, systems and devices for noninvasive pulmonary delivery |
| US20120217196A1 (en) * | 2009-11-03 | 2012-08-30 | Mann+Hummel Gmbh | Exchangeable Filter Element, Filter Part Fixed with Respect to System, and Filter System |
| US20120285464A1 (en) * | 2011-05-11 | 2012-11-15 | Birch Stephen J | Non-invasive ventilation facial skin protection |
| CN106377822A (en) * | 2016-10-21 | 2017-02-08 | 姚树娈 | Administration device of respiratory medicine |
| CN107661651A (en) * | 2017-11-08 | 2018-02-06 | 湖州森德高新材料有限公司 | A kind of automatic filter for changing filter core |
| CN208582817U (en) * | 2017-12-06 | 2019-03-08 | 龚海芳 | A kind of Respiratory Medicine drug delivery device |
| US20210236750A1 (en) * | 2018-06-06 | 2021-08-05 | The Research Foundation For The State University Of New York | Breath actuated nebulizer for ventilator circuit |
| CN109172964A (en) * | 2018-10-17 | 2019-01-11 | 青岛大学 | A kind of medical treatment and nursing atomizer |
| CN209286402U (en) * | 2018-11-21 | 2019-08-23 | 于国华 | A kind of respiratory department atomization device |
| CN210301963U (en) * | 2019-02-28 | 2020-04-14 | 王素娟 | Breathe internal medicine with medical treatment and send medicine cover |
| WO2020201483A1 (en) * | 2019-04-05 | 2020-10-08 | Hengst Se | Filter with a two-part filter housing and with a filter insert with a seal support, and filter insert for the filter |
| CN211611143U (en) * | 2019-08-27 | 2020-10-02 | 刘婵 | Medicine spraying device for respiratory medicine |
| CN214018800U (en) * | 2020-05-27 | 2021-08-24 | 皖南医学院第一附属医院（皖南医学院弋矶山医院） | Breathe internal medicine nursing and use artificial respirator |
| CN213432359U (en) * | 2020-06-10 | 2021-06-15 | 吴永利 | Breathe atomizing device for internal medicine |
| CN213885254U (en) * | 2020-11-23 | 2021-08-06 | 新乡市振航机电有限公司 | Automatic sealing filter for replacing filter element |
| CN214406341U (en) * | 2021-03-12 | 2021-10-15 | 湖南智慧生活科技有限公司 | Intelligent indoor fresh air filtering device |
| CN113279938A (en) * | 2021-05-11 | 2021-08-20 | 敖朱宇 | Air compressor machine with blowdown device of making an uproar falls |
| CN215309463U (en) * | 2021-06-29 | 2021-12-28 | 朱玲 | Air flue humidifying device in intensive care |
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|---|---|
| CN114392432B (en) | 2022-12-16 |
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