CN113941056A - Atomization device - Google Patents
Atomization device Download PDFInfo
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- CN113941056A CN113941056A CN202111072765.2A CN202111072765A CN113941056A CN 113941056 A CN113941056 A CN 113941056A CN 202111072765 A CN202111072765 A CN 202111072765A CN 113941056 A CN113941056 A CN 113941056A
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- 238000000889 atomisation Methods 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 216
- 238000001914 filtration Methods 0.000 claims abstract description 128
- 239000000443 aerosol Substances 0.000 claims abstract description 71
- 239000002245 particle Substances 0.000 claims abstract description 69
- 239000012528 membrane Substances 0.000 claims abstract description 66
- 210000004072 lung Anatomy 0.000 claims abstract description 14
- 210000002345 respiratory system Anatomy 0.000 claims abstract description 14
- 239000003814 drug Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 10
- 229920002521 macromolecule Polymers 0.000 claims description 2
- 230000000241 respiratory effect Effects 0.000 abstract description 3
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- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 3
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- GKLVYJBZJHMRIY-UHFFFAOYSA-N technetium atom Chemical compound [Tc] GKLVYJBZJHMRIY-UHFFFAOYSA-N 0.000 description 3
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- 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
-
- 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
- A61M15/00—Inhalators
- A61M15/0001—Details of inhalators; Constructional features thereof
-
- 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
- A61M15/00—Inhalators
- A61M15/0001—Details of inhalators; Constructional features thereof
- A61M15/0021—Mouthpieces therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pulmonology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Preparation (AREA)
Abstract
The invention relates to an atomization device, which comprises an atomization mechanism, an inhalation mechanism and a filtering mechanism, wherein the atomization mechanism is arranged on the inhalation mechanism; the bottom end of the atomization mechanism is hermetically connected with the first end of the inhalation mechanism, one end of the filtering mechanism is hermetically connected with the second end of the inhalation mechanism, the atomization mechanism, the inhalation mechanism and the filtering mechanism are communicated with each other, and the third end of the inhalation mechanism is used for matching with the mouth of the patient to inhale aerosol particles generated by the atomization mechanism into the respiratory tract and the lung of the patient along with the inhalation of the patient; the atomization mechanism comprises a shell and a first filtering membrane, the shell is surrounded into an accommodating cavity, the first filtering membrane is accommodated in the accommodating cavity, and the suction mechanism is communicated with the accommodating cavity; the filtering mechanism is used for filtering the gas exhaled by the patient and preventing aerosol particles in the gas exhaled by the patient from entering the air; through setting up first filtration membrane for aerosol particle size is little, so set up, avoids aerosol particle to deposit in human respiratory big air flue, has improved image quality's stability.
Description
Technical Field
The invention relates to the technical field of nuclear medicine, in particular to an atomizing device.
Background
Currently, pulmonary ventilation imaging (pulmonary ventilation imaging) is performed by inhaling a certain amount of radioactive aerosol or technetium gas through the respiratory tract, gradually entering alveoli from the airway to visualize both lungs, and the local radioactive aerosol or technetium gas distribution is proportional to the pulmonary ventilation. The lung ventilation imaging is often used for reflecting the ventilation function of double lungs and the unobstructed degree of an airway, and is combined with lung perfusion imaging to diagnose pulmonary embolism, the evaluation of the curative effect of the pulmonary embolism, the evaluation of the pulmonary function of chronic obstructive pulmonary disease and the pulmonary function and prediction before and after lung cancer operation and before and after lung cancer radiotherapy and chemotherapy.
Radiopharmaceuticals for pulmonary ventilation imaging require inhalation through an aerosolization device. The conventional atomization device uses atomization principle (ultrasonic or vibration) to make technetium labeled DTPA (diethylenetriaminepentaacetic acid) into fine particles for inhalation.
However, when the conventional atomization device is used for pulmonary ventilation imaging, the inhalation pipeline arranged in the atomization device is long, and the size of fine particles is large, so that the inhalation time of the imaging agent is long, the inhalation effect is poor, and the generated image quality is unstable; at the same time, fine particles are caused to accumulate in the large airways of the human respiratory system.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an atomization device which has the advantages that the technical problem that fine particles are accumulated in a large airway of a respiratory system of a human body can be solved; meanwhile, the stability of the image quality is improved.
The purpose of the invention is realized by the following technical scheme: an atomization device comprises an atomization mechanism, an inhalation mechanism and a filtering mechanism; the bottom end of the atomization mechanism is hermetically connected with the first end of the inhalation mechanism, one end of the filtering mechanism is hermetically connected with the second end of the inhalation mechanism, the atomization mechanism, the inhalation mechanism and the filtering mechanism are communicated with each other, and the third end of the inhalation mechanism is used for being matched with a mouth of a patient to inhale aerosol particles generated by the atomization mechanism into a respiratory tract and a lung of the patient along with inhalation of the patient; the atomizing mechanism comprises a shell and a first filtering membrane, the shell is enclosed into an accommodating cavity, the first filtering membrane is accommodated in the accommodating cavity, the outer edge of the first filtering membrane is connected with the inner wall of the accommodating cavity, the bottom end of the shell is connected with the suction mechanism, and the suction mechanism is communicated with the accommodating cavity; the atomization mechanism is used for converting liquid medicine added into the accommodating cavity into aerosol particles; the first filtering membrane is used for filtering the micron-sized aerosol particles; the filtering mechanism is used for filtering the gas exhaled by the patient and preventing aerosol particles in the gas exhaled by the patient from entering the air.
Preferably, in the atomizing device provided by the present invention, the inhalation mechanism comprises a mouthpiece and a connecting piece, one end of the mouthpiece is connected with the connecting piece in a sealing manner, one end of the connecting piece, which is away from the mouthpiece, is connected with the filtering mechanism in a sealing manner, the top end of the connecting piece is connected with the housing in a sealing manner, and the housing and the filtering mechanism are both communicated with the mouthpiece through the connecting piece.
Preferably, in the atomizing device provided by the present invention, the connecting member includes a first sleeve and a second sleeve, a connecting hole extending along a radial direction of the first sleeve is formed in an outer peripheral wall of the first sleeve, one end of the second sleeve is inserted into the connecting hole, and the second sleeve is communicated with the first sleeve.
Preferably, in the atomizing device provided by the present invention, the mouthpiece is tubular, one end of the mouthpiece is sleeved on one end of the first sleeve, and the mouthpiece is connected with the first sleeve in a sealing manner; one end of the mouthpiece departing from the first sleeve is provided with an occlusion part, and the occlusion part is connected with the mouthpiece in a sealing manner.
Preferably, in the atomizing device provided by the present invention, the filtering mechanism includes a body and a second filtering membrane, the body is enclosed to form a rotating cavity, the second filtering membrane is accommodated in the rotating cavity, an outer edge of the second filtering membrane is connected to an inner wall of the rotating cavity, the body is hermetically connected to a second end of the suction mechanism, the suction mechanism is communicated with the rotating cavity, a gas outlet is provided on a side of the body away from the suction mechanism, and gas passing through the rotating cavity flows out of the gas outlet through the second filtering membrane.
Preferably, in the atomization device provided by the invention, the first filter membrane and the second filter membrane are both polymer NK-3.
Preferably, the atomization device provided by the invention further comprises a protection body, wherein the protection body comprises a first shell and a second shell matched with the first shell, and the second shell is buckled on the first shell in a folding manner; the first shell is provided with a first accommodating groove, the second shell is provided with a second accommodating groove, and the first accommodating groove and the second accommodating groove jointly form an accommodating cavity; the atomization mechanism, the suction mechanism and the filtering mechanism are all accommodated in the accommodating cavity, the third end of the suction mechanism extends out of the accommodating cavity, and one end of the filtering mechanism, which is far away from the suction mechanism, extends out of the accommodating cavity; the protective body is used for shielding rays emitted by the aerosol particles in the atomization mechanism, the air suction mechanism and the filtering mechanism.
Preferably, in the atomization device provided by the invention, a first notch is formed in the outer side wall of the first housing, the first notch is communicated with the first accommodating groove, a second notch matched with the first notch is formed in the second housing, the second notch is communicated with the second accommodating groove, the first notch and the second notch are correspondingly arranged, and the first notch and the second notch are matched to form an installation hole; and the third end of the suction mechanism penetrates through the mounting hole and extends outwards.
Preferably, in the atomization device provided by the invention, a first opening is formed in one side of the first shell, which is away from the first notch, the first opening is communicated with the first accommodating groove, a second opening matched with the first opening is formed in one side of the second shell, which is away from the second notch, the second opening is communicated with the second accommodating groove, the first opening and the second opening are correspondingly arranged, and the first opening and the second opening are matched to form a fixing hole together; one end of the filtering mechanism, which is far away from the air suction mechanism, penetrates through the fixing hole and extends outwards.
Preferably, in the atomization device provided by the invention, the protective body further comprises at least one shielding lock, and one end of the shielding lock is connected with the outer wall of the first housing; the shielding lock catch is used for locking the second shell when the first shell is matched with the second shell.
In conclusion, the beneficial technical effects of the invention are as follows: the application provides an atomization device, which comprises an atomization mechanism, an inhalation mechanism and a filtering mechanism; the bottom end of the atomization mechanism is hermetically connected with the first end of the inhalation mechanism, one end of the filtering mechanism is hermetically connected with the second end of the inhalation mechanism, the atomization mechanism, the inhalation mechanism and the filtering mechanism are communicated with each other, and the third end of the inhalation mechanism is used for matching with the mouth of the patient to inhale aerosol particles generated by the atomization mechanism into the respiratory tract and the lung of the patient along with the inhalation of the patient; the atomizing mechanism comprises a shell and a first filtering membrane, the shell is enclosed into an accommodating cavity, the first filtering membrane is accommodated in the accommodating cavity, the outer edge of the first filtering membrane is connected with the inner wall of the accommodating cavity, the bottom end of the shell is connected with a suction mechanism, and the suction mechanism is communicated with the accommodating cavity; the atomization mechanism is used for converting liquid medicine added into the accommodating cavity into aerosol particles; the first filtering membrane is used for filtering micron-sized aerosol particles; the filtering mechanism is used for filtering the gas exhaled by the patient and preventing aerosol particles in the gas exhaled by the patient from entering the air; through setting up first filtration membrane for aerosol particle size is little, so set up, avoids aerosol particle to deposit in human respiratory big air flue, has improved image quality's stability.
Drawings
Fig. 1 is a schematic overall structure diagram of an atomization device according to an embodiment of the present invention.
Fig. 2 is a schematic view of the overall structure of the atomization device according to the embodiment of the present invention.
In the figure, 1, an atomizing device; 10. an atomization mechanism; 101. a housing; 1011. an end cap; 1012. a USB interface; 102. a connecting pipe; 20. a suction mechanism; 201. biting mouth; 2011. an engaging portion; 2012. an inclined surface; 202. a connecting member; 2021. a first sleeve; 2022. a second sleeve; 30. a filtering mechanism; 40. driving a wire; 50. a protective body; 501. a first housing; 5011. a first accommodating groove; 502. a second housing; 5021. a second accommodating groove; 5022. a second notch; 5023. a grip portion; 503. and (6) shielding and locking.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, an atomizing device 1 disclosed in the present invention includes an atomizing mechanism 10, an inhaling mechanism 20, and a filtering mechanism 30; the bottom end of the atomizing mechanism 10 is hermetically connected with the first end of the inhalation mechanism 20, one end of the filtering mechanism 30 is hermetically connected with the second end of the inhalation mechanism 20, the atomizing mechanism 10, the inhalation mechanism 20 and the filtering mechanism 30 are communicated with each other, and the third end of the inhalation mechanism 20 is used for matching with the mouth of a patient to inhale aerosol particles generated by the atomizing mechanism 10 into the respiratory tract and the lung of the patient along with the inhalation of the patient; the atomizing mechanism 10 is hermetically connected with the suction mechanism 20, and the filtering mechanism 30 is hermetically connected with the suction mechanism 20, so that aerosol particles are prevented from leaking to pollute the external environment and damage the body of a worker; meanwhile, the utilization rate of the medicine is improved, and the dosage is reduced.
In the orientation shown in fig. 1, for example, the first end of the suction mechanism 20 is the upper end of the suction mechanism 20, the second end of the suction mechanism 20 is the right end of the suction mechanism 20, and the third end of the suction mechanism 20 is the left end of the suction mechanism 20.
Specifically, the bottom end of the atomizing mechanism 10 is inserted into the first end of the inhalation mechanism 20, the atomizing mechanism 10 is hermetically connected with the inhalation mechanism 20, the atomizing mechanism 10 is electrically connected with an external driver through a driving wire 40, the external driver is used for providing signals and energy for the atomizing mechanism 10, and liquid medicine in the atomizing mechanism 10 is driven to be converted into aerosol particles. In the using process, the external driver utilizes the piezoelectric physical vibration principle, and after the external driver is powered on, the liquid medicine in the atomizing mechanism 10 is converted into aerosol particles after being extruded through physical vibration.
In order to ensure that the atomizing mechanism 10 can continuously operate for 2 hours after being charged fully once, a large-capacity lithium ion battery is accommodated in the external driver. For example, the driving line 40 may be a USB data line, but the driving line 40 may also be other power lines as long as it is sufficient for an external driver to provide signals and energy to the atomizing mechanism 10 through the driving line 40.
In the implementation manner that the driving wire 40 adopts a USB data wire, a USB interface 1012 adapted to the USB data wire is disposed on the outer wall of the atomization mechanism 10; in the use, the one end of USB data line is inserted and is located in USB interface 1012, and the other end and the external driver of USB data line are connected, and when the patient needs atomizing inhalation, the patient carries out simple operation according to medical staff's instruction and can start atomizing, from this, has reduced medical staff's intensity of labour, has also avoided the medicine to leak the injury to medical staff, has further improved the security that atomizing device 1 used.
The atomizing mechanism 10 comprises a housing 101 and a first filtering membrane, the housing 101 is enclosed to form an accommodating cavity, the first filtering membrane is accommodated in the accommodating cavity, the outer edge of the first filtering membrane is connected with the inner wall of the accommodating cavity, the bottom end of the housing 101 is connected with a suction mechanism 20, and the suction mechanism 20 is communicated with the accommodating cavity; the atomizing mechanism 10 is used for converting the liquid medicine added into the accommodating cavity into aerosol particles; the first filtering membrane is used for filtering micron-sized aerosol particles; the filtering mechanism 30 is used for filtering the gas exhaled by the patient and preventing aerosol particles in the gas exhaled by the patient from entering the air; liquid medicines in the accommodating cavity are converted into aerosol particles through physical vibration extrusion, micron-sized aerosol particles are filtered through the first filtering membrane, the filtered aerosol particles enter the suction mechanism 20 and then enter the respiratory tract and the lung of a patient along with the inspiration of the patient, and the size of the aerosol particles sucked into the body of the patient is reduced through the arrangement of the first filtering membrane, so that the aerosol particles are not easy to remain in the atmospheric tract of a respiratory system of the human body, and the stability of image quality is improved; meanwhile, the inhalation smoothness is improved, and the damage to patients with basic diseases of respiratory tracts is avoided.
Specifically, in the use, atomizing mechanism 10 is connected with external driver through drive line 40, utilizes piezoelectricity physical vibration principle, will hold liquid medicine in the chamber and convert into aerosol particle after through the physical vibration extrusion, and the aerosol particle that then converts filters the aerosol particle of micron order through first filtration membrane, and the aerosol particle of micron order gets into in inhaling mechanism 20, then inhales with the patient and gets into patient's respiratory tract and lung.
With reference to fig. 1, in this embodiment, the casing 101 is shaped like a top, the bottom end (small diameter end) of the casing 101 is provided with a connecting pipe 102, the connecting pipe 102 is communicated with the accommodating cavity, the central axis of the connecting pipe 102 is parallel to the central axis of the casing 101, and in some realizable manners, the central axis of the connecting pipe 102 is arranged in a collinear manner with the central axis of the casing 101; a medicine placing opening is formed in the top end (large-diameter end) of the shell 101 and communicated with the accommodating cavity; in order to prevent the medicine from leaking to the external environment, an end cover 1011 is arranged on the medicine discharge port, and the end cover 1011 is detachably connected with the shell 101; in the using process, one end of the connecting pipe 102, which is far away from the shell 101, is inserted into the first end of the inhalation mechanism 20, the connecting pipe 102 is communicated with the inhalation mechanism 20, the end cover 1011 is opened, the liquid medicine is injected into the accommodating cavity from the medicine discharge port, and then the end cover 1011 is covered on the medicine discharge port.
Specifically, the first filtering membrane is perpendicular to the central axis of the connecting pipe 102, and taking the orientation shown in fig. 1 as an example, the first filtering membrane may be located at the middle position of the accommodating cavity along the central axis direction thereof, and of course, the first filtering membrane may also be located at the bottom position of the accommodating cavity along the central axis direction thereof; in the present embodiment, the first filtering membrane is located at the bottom end of the accommodating chamber along the central axis direction thereof, that is, at the upper part of the connecting pipe 102, so that the aerosol particles passing through the first filtering membrane directly enter the connecting pipe 102, and then the aerosol particles in the connecting pipe 102 enter the inhalation mechanism 20.
Illustratively, the housing 101 is made of plastic, but the housing 101 may be made of other non-metal materials.
In other embodiments, the housing 101 may also have a rectangular parallelepiped shape or an ellipsoidal shape.
In an implementation manner that the housing 101 is shaped like a top, the first filtering membrane is perpendicular to the central axis of the housing 101, wherein the first filtering membrane may be disposed at any position of the accommodating cavity below the middle portion of the accommodating cavity along the central axis of the housing 101, and the first filtering membrane may also be disposed at one end of the connecting pipe 102 facing the housing 101, which is not limited in this embodiment.
With continued reference to fig. 1 and 2, in the present embodiment, the inhalation mechanism 20 includes a mouthpiece 201 and a connecting member 202, one end of the mouthpiece 201 is hermetically connected to the connecting member 202, one end of the connecting member 202 facing away from the mouthpiece 201 is hermetically connected to the filter mechanism 30, a top end of the connecting member 202 is hermetically connected to the housing 101, and the housing 101 and the filter mechanism 30 are both communicated with the mouthpiece 201 through the connecting member 202; by providing the connection member 202, the mouthpiece 201, the atomizing mechanism 10, and the filter mechanism 30 are connected by the connection member 202, whereby the time for inhaling aerosol particles is shortened, and the inhalation concentration is ensured.
Specifically, one end of the connecting tube 102 away from the housing 101 is inserted into the top end of the connecting member 202, and the connecting tube 102 is communicated with the connecting member 202.
For example, the connection member 202 may include a first installation tube, a second installation tube, and a third installation tube, one end of the first installation tube, one end of the second installation tube, and one end of the third installation tube are connected to each other, and the first installation tube, the second installation tube, and the third installation tube are all communicated with each other, and the first installation tube, the second installation tube, and the third installation tube are radially disposed with a connection point of the first installation tube, the second installation tube, and the third installation tube as a midpoint; in the use, the one end that first installation pipe deviates from the second installation pipe is connected with stinging mouth 201 sealing, and the one end that the second installation pipe deviates from first installation pipe is connected with filtering mechanism 30 sealing, and the one end that the third installation pipe deviates from first installation pipe is connected with atomizing mechanism 10 sealing.
With reference to fig. 1, in the present embodiment, the connecting member 202 includes a first sleeve 2021 and a second sleeve 2022, a connecting hole extending along the radial direction of the first sleeve 2021 is formed on the outer peripheral wall of the first sleeve 2021, one end of the second sleeve 2022 is inserted into the connecting hole, and the second sleeve 2022 is communicated with the first sleeve 2021.
A preset angle is formed between the central axis of the first sleeve 2021 and the central axis of the second sleeve 2022. In this embodiment, the central axis of the first sleeve 2021 is perpendicular to the central axis of the second sleeve 2022, the connection hole is located at the middle position of the first sleeve 2021 along the central axis direction thereof, and the first sleeve 2021 and the second sleeve 2022 form a T shape. That is, connection 202 is a tee.
In the using process, one end of the first sleeve 2021 is hermetically connected with the mouthpiece 201, one end of the first sleeve 2021, which is away from the mouthpiece 201, is hermetically connected with the filtering mechanism 30, one end of the second sleeve 2022, which is away from the first sleeve 2021, is sleeved at one end of the connecting pipe 102, which is away from the casing 101, liquid medicine added into the accommodating cavity is converted into aerosol particles after piezoelectric physical vibration, the aerosol particles filter micron-sized aerosol particles through the first filtering membrane, the aerosol particles are vertically ejected downwards, the micron-sized aerosol particles are ejected into the first sleeve 2021 through the second sleeve 2022, the first sleeve 2021 forms a stable dispersion region of the aerosol particles, and the stable aerosol particles enter the respiratory tract and the lung of a patient along with the inspiration of the patient; thereby, the requirement of the patient for one-time inhalation amount of the aerosol particles is ensured; meanwhile, the patient is prevented from being choked by directly spraying aerosol particles to the mouth of the patient.
The first sleeve 2021 is a common channel (it should be noted that aerosol particles generated in the atomizing mechanism 10 pass through the first sleeve 2021 and are inhaled into the lung by the patient, the gas exhaled by the patient flows into the first sleeve 2021, and then the exhaled gas is filtered by the filtering mechanism 30 and then discharged into the air, so that the first sleeve 2021 is the common channel), the volume of the common channel is determined according to the one-time inhalation amount of the aerosol particles by the patient, and further the length of the common channel is determined, so that on the premise that the one-time inhalation amount of the patient is ensured, the retention time of the remaining aerosol particles in the common channel is prevented from being too long, thereby reducing the condensation of the aerosol particles in the common channel, and reducing the medicine residue in the common channel.
Further, in this embodiment, the mouthpiece 201 is tubular, one end of the mouthpiece 201 is sleeved on one end of the first sleeve 2021, and the mouthpiece 201 is hermetically connected to the first sleeve 2021; one end of the mouthpiece 201, which is far away from the first sleeve 2021, is provided with a meshing part 2011, and the meshing part 2011 is in sealed connection with the mouthpiece 201; by providing the occlusion portion 2011, the comfort of the patient is improved when the patient atomizes.
Illustratively, the cross-sectional shape of the engagement portion 2011 may be oblong, and the cross-sectional shape of the engagement portion 2011 may also be oval or rectangular, taking a plane perpendicular to the central axis of the first sleeve 2021 as a cross-section. In an implementation manner in which the cross-sectional shape of the bite 2011 is oblong, in order to make the bite 2011 fit the mouthpiece 201, two inclined surfaces 2012 are provided on an outer wall near an end of the mouthpiece 201 away from the first sleeve 2021, the two inclined surfaces 2012 are arranged oppositely, and taking the orientation shown in fig. 1 as an example, one inclined surface 2012 is arranged to be inclined downward, and the other inclined surface 2012 is arranged to be inclined upward.
Further, in this embodiment, the filtering mechanism 30 includes a body and a second filtering membrane, the body is enclosed to form a rotating cavity, the second filtering membrane is accommodated in the rotating cavity, an outer edge of the second filtering membrane is connected to an inner wall of the rotating cavity, the body is hermetically connected to a second end of the suction mechanism 20, the suction mechanism 20 is communicated with the rotating cavity, a gas outlet is formed in a side of the body away from the suction mechanism 20, and gas passing through the rotating cavity flows out of the gas outlet through the second filtering membrane; by arranging the second filtering membrane, in the using process, the gas with aerosol particles exhaled by the patient enters the first sleeve 2021, the aerosol particles are retained in the first sleeve 2021 and the rotating cavity after the gas with aerosol particles passes through the second filtering membrane, and the rest of the gas flows into the air from the air outlet after passing through the second filtering membrane; therefore, the pollution to the environment caused by the leakage of aerosol particles is avoided; meanwhile, the utilization rate of the medicine is improved, and the dosage is reduced.
By arranging the second filtering membrane, the patient is ensured to carry out atomization inhalation under sterile conditions, and impurities in the air are filtered outside the rotating cavity when passing through the second filtering membrane.
Specifically, the second filtering membrane is perpendicular to the central axis of the rotating cavity, and the outer edge of the second filtering membrane is connected with the inner peripheral wall of the rotating cavity. The second filter membrane is located at a middle position of the rotating cavity along the central axis direction thereof, and of course, the second filter membrane may also be located at an end portion of the rotating cavity along the central axis direction thereof, which is not limited in this embodiment.
Wherein, one side of the body facing the connecting piece 202 is provided with a fixed pipe, one end of the fixed pipe is inserted into the body, the fixed pipe is communicated with the rotating cavity, and the fixed pipe extends along the central axis direction of the rotating cavity; in the use process, the end of the fixing pipe departing from the body is inserted into the end of the first sleeve 2021 departing from the mouthpiece 201, and the fixing pipe is hermetically connected with the first sleeve 2021.
Further, in this embodiment, the first filtration membrane and the second filtration membrane are both polymer NK-3.
Wherein, the main technical index of the macromolecule NK-3 reaches the effect of 0.5-30 um. The diameter range of the aerosol particles filtered by the first filtering membrane/the second filtering membrane is 0.5-30um, the filtering effect can reach more than 90%, wherein the filtering effect of the aerosol particles with the diameter less than 0.5um is 68-89%. Ensuring the asepsis of the breathing process and preventing the leakage of the atomized aerosol particles.
With continued reference to fig. 1 and fig. 2, the atomization device 1 provided in this embodiment further includes a protection body 50, where the protection body 50 includes a first housing 501 and a second housing 502 adapted to the first housing 501, and the second housing 502 is fastened to the first housing 501 in an openable manner; a first accommodating groove 5011 is formed in the first shell 501, a second accommodating groove 5021 is formed in the second shell 502, and the first accommodating groove 5011 and the second accommodating groove 5021 jointly form an accommodating cavity; the atomizing mechanism 10, the air suction mechanism 20 and the filtering mechanism 30 are all accommodated in the accommodating cavity, the third end of the air suction mechanism extends out of the accommodating cavity, and one end of the filtering mechanism 30, which is far away from the air suction mechanism, extends out of the accommodating cavity; the protective body 50 is used for shielding the rays emitted by the aerosol particles in the atomizing mechanism 10, the air suction mechanism 20 and the filtering mechanism 30; on one hand, the protection body 50 shields the radiation hazard of the radiation generated by the aerosol particles to the human body, and improves the safety of the human body; meanwhile, the protection body 50 is arranged, so that the protection performance of the atomizing mechanism 10, the suction mechanism 20 and the filtering mechanism 30 is improved, and the atomizing mechanism 10, the suction mechanism 20 and the filtering mechanism 30 are prevented from being damaged by external objects; on the other hand, the atomizing mechanism 10, the air suction mechanism and the filtering mechanism 30 are all accommodated in the accommodating cavity, so that the atomizing device 1 is convenient to carry.
Specifically, the protection body 50 has a rectangular parallelepiped shape, that is, the first housing 501 and the second housing 502 are combined to form a rectangular parallelepiped shape. Wherein, for the convenience of being connected with atomizing mechanism 10 for drive wire 40, seted up the jack on the lateral wall of the protective body 50, jack and holding cavity intercommunication, the drive wire 40 deviates from the one end of external driver and passes the jack and be connected with atomizing mechanism 10. Wherein, the jack is opened in the protection body and deviates from one side of the mouthpiece, and corresponds the setting with the USB interface, from this, the drive wire 40's of being convenient for one end passes jack and USB interface connection.
In order to facilitate carrying the atomization device 1, a grip 5023 is disposed on an outer wall of the second housing 502, and illustratively, the grip 5023 may be U-shaped, and of course, the grip 5023 may also be T-shaped or rectangular. In an implementation manner that the grip 5023 is U-shaped, an open end of the grip 5023 is fixedly connected with an outer wall of the second housing 502.
Further, in this embodiment, a first notch is formed in an outer side wall of the first housing 501, the first notch is communicated with the first accommodating slot 5011, a second notch 5022 matched with the first notch is formed in the second housing 502, the second notch 5022 is communicated with the second accommodating slot 5021, the first notch 5022 corresponds to the second notch 5022, and the first notch 5022 and the second notch 5022 are matched to form an installation hole; the third end of the air suction mechanism penetrates through the mounting hole and extends outwards; through setting up the mounting hole, from this, to the fixed action of air suction mechanism gas, avoid in the use, air suction mechanism produces and rocks.
In this embodiment, a first opening is formed in a side of the first shell 501 away from the first notch, the first opening is communicated with the first accommodating groove 5011, a second opening matched with the first opening is formed in a side of the second shell 502 away from the second notch 5022, the second opening is communicated with the second accommodating groove 5021, the first opening and the second opening are correspondingly arranged, and the first opening and the second opening are matched to form a fixing hole; the end of the filter means 30 facing away from the suction means projects through the fastening hole.
The central axis of the mounting hole is parallel to the central axis of the fixing hole, and in some realizable modes, the central axis of the mounting hole and the central axis of the fixing hole are arranged in a collinear manner. In this embodiment, the fixing hole and the insertion hole are both located on the same side of the protection body 50, and the fixing hole and the insertion hole are disposed at an interval.
With continued reference to fig. 1 and fig. 2, in this embodiment, the protection body 50 further includes at least one shielding latch 503, and one end of the shielding latch 503 is connected to the outer wall of the first housing 501; the shielding lock 503 is used for locking the second housing 502 when the first housing 501 is matched with the second housing 502; by providing the shielding latch 503, on one hand, when the first housing 501 is mated with the second housing 502, the first housing 501 is firmly connected with the second housing 502; on the other hand, aerosol particles are prevented from leaking out.
Specifically, the shielding latch 503 is plate-shaped, one side portion of the shielding latch 503 is connected to the outer wall of the first housing 501, the thickness of the shielding latch 503 ranges from 4cm to 6cm, and in this embodiment, the thickness of the shielding latch 503 is 5 cm.
In some embodiments, the shielding body 50 may include a plurality of shielding latches 503, the plurality of shielding latches 503 are disposed at the position where the first housing 501 and the second housing 502 are matched, and the plurality of shielding latches 503 are disposed at intervals along the outer edge of the first housing 501/the second housing 502.
The shield 50 may include two shield latches 503, three shield latches 503, or four shield latches 503, etc. In an implementation manner in which the protection body 50 includes two shielding latches 503, the two shielding latches 503 are respectively disposed at two adjacent sides of the first housing 501.
For example, the shielding latch 503, the first housing 501 and the second housing 502 may be made of lead, and of course, the shielding latch 503, the first housing 501 and the second housing 502 may also be made of lead glass.
The using process of the atomization device 1 provided by the embodiment is as follows: the atomizing mechanism 10, the mouthpiece 201 and the filtering mechanism 30 are respectively connected with the connecting piece 202 in a sealing manner, then the atomizing mechanism 10, the suction mechanism 20 and the filtering mechanism 30 which are connected are accommodated in the first accommodating groove 5011, and one end of the driving wire 40 departing from the external driver penetrates through the insertion hole to be connected with the atomizing mechanism 10; opening the end cover 1011, adding the medicine into the accommodating cavity through the medicine discharge port, then injecting DTPA into the accommodating cavity through the medicine discharge port, and covering the end cover 1011 on the medicine discharge port; buckling the second shell 502 on the top end of the first shell 501, and locking the shielding lock 503 on the second shell 502; the patient sits on the seat, the height of the atomization device 1 relative to the ground is adjusted, so that the atomization device 1 and the patient reach a specified distance, the principle and the clinical effect of the imaging are explained for the patient in detail, the patient is informed to breathe as deep as possible, the patient is informed to check the patient safely and reliably, and the ray receiving quantity is small; pinching or holding the patient's nose with nasal prongs so that the patient can only inhale aerosol particles from the mouth; atomizing the patient for about 10-20 seconds, stopping gas when the count reaches 1Kcount, and immediately developing images; taking the atomizing mechanism 10, the suction mechanism 20 and the filtering mechanism 30 out of the protective body 50, and placing the protective body in a prepared radioactive object garbage bag; the radiation protection and the waste of the patient are properly arranged, and all the waste with radioactivity is placed in a radioactive garbage can of a department.
The atomization device 1 provided by the application comprises an atomization mechanism 10, an inhalation mechanism 20 and a filtering mechanism 30; the bottom end of the atomizing mechanism 10 is hermetically connected with the first end of the inhalation mechanism 20, one end of the filtering mechanism 30 is hermetically connected with the second end of the inhalation mechanism 20, the atomizing mechanism 10, the inhalation mechanism 20 and the filtering mechanism 30 are communicated with each other, and the third end of the inhalation mechanism 20 is used for matching with the mouth of a patient to inhale aerosol particles generated by the atomizing mechanism 10 into the respiratory tract and the lung of the patient along with the inhalation of the patient; the atomizing mechanism 10 comprises a housing 101 and a first filtering membrane, the housing 101 is enclosed to form an accommodating cavity, the first filtering membrane is accommodated in the accommodating cavity, the outer edge of the first filtering membrane is connected with the inner wall of the accommodating cavity, the bottom end of the housing 101 is connected with a suction mechanism 20, and the suction mechanism 20 is communicated with the accommodating cavity; the atomizing mechanism 10 is used for converting the liquid medicine added into the accommodating cavity into aerosol particles; the first filtering membrane is used for filtering micron-sized aerosol particles; the filtering mechanism 30 is used for filtering the gas exhaled by the patient and preventing aerosol particles in the gas exhaled by the patient from entering the air; through setting up first filtration membrane for aerosol particle size is little, so set up, avoids aerosol particle to deposit in human respiratory big air flue, has improved image quality's stability.
The atomization device 1 provided by the invention has the following advantages: the device has simple structure, easy manufacture and convenient operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. An atomizing device characterized by: comprises an atomizing mechanism, an inhaling mechanism and a filtering mechanism;
the bottom end of the atomization mechanism is hermetically connected with the first end of the inhalation mechanism, one end of the filtering mechanism is hermetically connected with the second end of the inhalation mechanism, the atomization mechanism, the inhalation mechanism and the filtering mechanism are communicated with each other, and the third end of the inhalation mechanism is used for being matched with a mouth of a patient to inhale aerosol particles generated by the atomization mechanism into a respiratory tract and a lung of the patient along with inhalation of the patient;
the atomizing mechanism comprises a shell and a first filtering membrane, the shell is enclosed into an accommodating cavity, the first filtering membrane is accommodated in the accommodating cavity, the outer edge of the first filtering membrane is connected with the inner wall of the accommodating cavity, the bottom end of the shell is connected with the suction mechanism, and the suction mechanism is communicated with the accommodating cavity;
the atomization mechanism is used for converting liquid medicine added into the accommodating cavity into aerosol particles;
the first filtering membrane is used for filtering the micron-sized aerosol particles;
the filtering mechanism is used for filtering the gas exhaled by the patient and preventing aerosol particles in the gas exhaled by the patient from entering the air.
2. The atomizing device of claim 1, wherein: the suction mechanism comprises a mouthpiece and a connecting piece, one end of the mouthpiece is connected with the connecting piece in a sealing mode, one end of the connecting piece, which is far away from the mouthpiece, is connected with the filtering mechanism in a sealing mode, the top end of the connecting piece is connected with the shell in a sealing mode, and the shell and the filtering mechanism are communicated with the mouthpiece through the connecting piece.
3. The atomizing device of claim 2, wherein: the connecting piece includes first sleeve pipe and second sleeve pipe, set up on the first sheathed tube periphery wall along the radial connecting hole that extends of first sleeve pipe, second sheathed tube one end is inserted and is located in the connecting hole, the second sleeve pipe with first sleeve pipe intercommunication.
4. The atomizing device of claim 3, wherein: the mouthpiece is tubular, one end of the mouthpiece is sleeved at one end of the first sleeve, and the mouthpiece is connected with the first sleeve in a sealing manner;
one end of the mouthpiece departing from the first sleeve is provided with an occlusion part, and the occlusion part is connected with the mouthpiece in a sealing manner.
5. The atomizing device of claim 1, wherein: filtering mechanism includes body and second filtration membrane, the body encloses and establishes into rotatory cavity, second filtration membrane holding is in the rotatory cavity, second filtration membrane outward flange with the inner wall connection of rotatory cavity, the body with inhale mechanism's second end sealing connection, inhale mechanism with rotatory cavity intercommunication, the body deviates from inhale mechanism's one side and seted up the gas outlet, process rotatory cavity's gas passes through second filtration membrane flows the gas outlet.
6. The atomizing device of claim 5, wherein: the first filtering membrane and the second filtering membrane are both macromolecule NK-3.
7. The atomizing device of claim 1, wherein: the protective body comprises a first shell and a second shell matched with the first shell, and the second shell can be buckled on the first shell in an openable and closable manner;
the first shell is provided with a first accommodating groove, the second shell is provided with a second accommodating groove, and the first accommodating groove and the second accommodating groove jointly form an accommodating cavity;
the atomization mechanism, the suction mechanism and the filtering mechanism are all accommodated in the accommodating cavity, the third end of the suction mechanism extends out of the accommodating cavity, and one end of the filtering mechanism, which is far away from the suction mechanism, extends out of the accommodating cavity;
the protective body is used for shielding rays emitted by the aerosol particles in the atomizing mechanism, the air suction mechanism and the filtering mechanism.
8. The atomizing device of claim 7, wherein: the outer side wall of the first shell is provided with a first notch, the first notch is communicated with the first accommodating groove, the second shell is provided with a second notch matched with the first notch, the second notch is communicated with the second accommodating groove, the first notch and the second notch are correspondingly arranged, and the first notch and the second notch are matched to form an installation hole;
and the third end of the suction mechanism penetrates through the mounting hole and extends outwards.
9. The atomizing device of claim 8, wherein: a first opening is formed in one side, away from the first notch, of the first shell, the first opening is communicated with the first accommodating groove, a second opening matched with the first opening is formed in one side, away from the second notch, of the second shell, the second opening is communicated with the second accommodating groove, the first opening and the second opening are correspondingly arranged, and the first opening and the second opening are matched to form a fixing hole;
one end of the filtering mechanism, which is far away from the air suction mechanism, penetrates through the fixing hole and extends outwards.
10. The atomizing device of claim 9, wherein: the protective body further comprises at least one shielding lock catch, and one end of the shielding lock catch is connected with the outer wall of the first shell;
the shielding lock catch is used for locking the second shell when the first shell is matched with the second shell.
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|---|---|---|---|
| CN202111072765.2A CN113941056A (en) | 2021-09-14 | 2021-09-14 | Atomization device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111072765.2A CN113941056A (en) | 2021-09-14 | 2021-09-14 | Atomization device |
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