CN114796749A - Dry powder administration device inspiration flow indicating device - Google Patents
Dry powder administration device inspiration flow indicating device Download PDFInfo
- Publication number
- CN114796749A CN114796749A CN202110107793.7A CN202110107793A CN114796749A CN 114796749 A CN114796749 A CN 114796749A CN 202110107793 A CN202110107793 A CN 202110107793A CN 114796749 A CN114796749 A CN 114796749A
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- CN
- China
- Prior art keywords
- indicating
- dry powder
- channel
- display window
- flow
- Prior art date
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- 239000000843 powder Substances 0.000 title claims abstract description 49
- 230000003434 inspiratory effect Effects 0.000 claims abstract description 15
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 239000008188 pellet Substances 0.000 claims description 18
- 239000011324 bead Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 1
- 239000003814 drug Substances 0.000 description 13
- 208000023504 respiratory system disease Diseases 0.000 description 4
- 210000002345 respiratory system Anatomy 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 208000006673 asthma Diseases 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 208000014181 Bronchial disease Diseases 0.000 description 1
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007721 medicinal effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- 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
- A61M15/0065—Inhalators with dosage or measuring devices
-
- 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
- A61M15/0065—Inhalators with dosage or measuring devices
- A61M15/0068—Indicating or counting the number of dispensed doses or of remaining doses
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Hematology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses an inspiratory flow indicating device of a dry powder dispenser, which comprises the dry powder dispenser, a display window and an indicating small ball. The inside air suction airflow channel that is provided with of dry powder administrator is provided with the instruction bobble motion passageway and the display window that the bottom is the back taper at dry powder administrator side, instructs bobble motion passageway upper end to be provided with one and separates the fender, and there is a translucent cover display window outside. The indicating small balls are arranged in the indicating small ball movement channel, and when the air suction flow reaches a certain value, the indicating small balls are pushed by the air suction flow passing through the movement channel, and move upwards to a specific position by overcoming the gravity, and whether the air suction flow meets the requirement or not can be judged by seeing the indicating small balls in the display window.
Description
Technical Field
The invention relates to an inspiratory flow indicating device, in particular to an inspiratory flow indicating device of a dry powder administration device.
Background
With the increasing severity of air pollution, the number of patients suffering from respiratory diseases increases at home and abroad, and the medicines for the respiratory system gradually enter the visual fields of medicine enterprises, doctors and patients. Asthma (Asthma) and Chronic Obstructive Pulmonary Disease (COPD) are two diseases with the most serious influence on patients in respiratory diseases, and the world health organization statistics in 2013 show that respiratory diseases are leaped to the third highest mortality rate, and the mortality rate is as high as 14.09%. However, with the development of new technologies for pulmonary inhalation, patients will prefer to treat pulmonary diseases and bronchial diseases by inhalation. Recently, inhalation administration from dry powder applicators has become the primary route of choice for drugs involved in the treatment of respiratory diseases. The aerosol inhalation administration devices are mainly classified into the following four types: MDI inhalation aerosols, dry powder applicators, active nebulized solution inhalation devices, and precision nebulized drug delivery devices.
Wherein the dry powder administration device is a lung administration device which uses the respiratory airflow or power device of a patient to atomize and transmit quantitative medicine powder to the lung. The medicine is simple to use, easy to carry, good in patient compliance and wide in clinical application.
The dry powder administration device is divided into a capsule type, a bubble cap type and a storage type, the storage type dry powder administration device utilizes medicinal powder to be stored in an integral medicine storage, when a patient uses the device every time, the medicine is charged by rotating a quantitative device, the medicinal powder falls into a quantitative cavity by utilizing the self gravity or other mechanical thrust of the medicinal powder, and the patient inhales the medicinal powder in the quantitative cavity into a respiratory system by inhaling.
In the prior art, when a patient uses the dry powder administration device, the patient needs to ensure that the inspiration flow reaches a certain value, and then one dose of medicinal powder can be completely inhaled into a respiratory system to achieve the medicinal effect, but the traditional dry powder administration device cannot indicate the inspiration flow, so that the problem of insufficient medicament absorption amount is caused. The dry powder feeder has the advantages of simple structure, integrated structure with the feeder, portability, strong reliability and accurate reading, and can ensure the correct use of the dry powder feeder.
Disclosure of Invention
The invention mainly aims to provide an inhalation flow indicating device of a dry powder administration device.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: comprises a dry powder dispenser, a display window and an indicating small ball. The inside air suction air flow channel that is provided with of dry powder administrator is provided with the instruction bobble motion channel and the display window of back taper at dry powder administrator side, indicates bobble motion channel upper end to be provided with one and separates the fender, and the display window outside has a translucent cover. The indicating small balls are arranged in the indicating small ball movement channel, and when the air suction flow reaches a certain value, the indicating small balls are pushed by the air suction flow passing through the movement channel, and move upwards to a specific position by overcoming the gravity, and whether the air suction flow meets the requirement or not can be judged by seeing the indicating small balls in the display window.
Preferably, the indicator bead is made of plastic or metal.
Preferably, the pellets are made of stainless steel.
Preferably, the indicator pellet has a diameter in the range of 1-30 mm.
Preferably, the indicator bead has a diameter of 10 mm.
Preferably, the transparent cover is made of plastic, through which the position of the indicator pellet can be observed.
Preferably, the transparent cover is made of plastic Polycarbonate (PC).
Preferably, the baffle is made of plastic, and can prevent the small indicating ball from falling out of the upper part of the small indicating ball moving channel.
Preferably, an air flow channel is arranged in the dry powder dispenser, when the medicine is sucked, the sucked air flow enters the indicating small ball movement channel through the air flow channel, and the air flow direction is from bottom to top.
Preferably, the side of the dry powder feeder is provided with an indication pellet movement channel with an inverted cone-shaped bottom and a display window, the included angle range of the conical surface of the inverted cone-shaped bottom of the indication pellet movement channel is 10-170 degrees, the diameter of the cross section of the minimum diameter position of the bottom of the indication pellet movement channel is smaller than the diameter of the indication pellet, or the bottom of the indication pellet movement channel is provided with a baffle, so that the indication pellet can be prevented from being separated from the movement channel.
Preferably, the included angle of the conical surface of the inverted conical bottom of the small ball movement indicating channel is 90 degrees.
Preferably, the display window has a display area in the range of 1-600 square millimeters.
Preferably, the display window has a display area of 51 square millimeters.
Preferably, the diameter of the minimum position of the indicating small ball moving channel ranges from 0.5 mm to 30 mm, the diameter of the maximum position of the indicating small ball moving channel ranges from 1 mm to 35 mm, the indicating small ball is enabled to move freely in the channel, and the indicating small ball can be pushed to the display window to be displayed when the inspiratory airflow reaches a set value.
Preferably, the diameter of the small ball movement indicating channel at the minimum is 8 mm, and the diameter of the large ball movement indicating channel at the maximum is 15 mm.
Preferably, when the air suction is not carried out or the air suction flow is insufficient, the indicating ball is positioned below the display window, when the air suction flow is larger than a certain value, the indicating ball is pushed by the air suction flow passing through the moving channel to move upwards against the gravity, and the position of the indicating ball can be seen through the display window.
Compared with the prior art, the invention has the following beneficial effects:
this dry powder medicine feeder flow indicating device that breathes in and dry powder medicine feeder formula structure as an organic whole, simple structure, portable, the good reliability, the reading is accurate, can reach better effect of using medicine.
Drawings
FIG. 1 is a front view of a preferred embodiment according to the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment according to the present invention;
FIG. 3 is a perspective view of a baffle according to a preferred embodiment of the present invention;
fig. 4 is a perspective view of a transparent cover according to a preferred embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-4, an inhalation flow indicator for dry powder administration device comprises a dry powder administration device 1, a display window 2 and an indicating ball 3. The mode of administration of the dry powder dispenser 1 is not described here using widely used conventional principles. An indication pellet moving channel 5 with an inverted cone-shaped bottom and a display window 2 are arranged on the side edge of the dry powder feeder 1, a baffle 6 is arranged at the upper end of the indication pellet moving channel 5, and a transparent cover 7 is arranged on the outer side of the display window 2.
The indicating small ball 3 can move freely in the indicating small ball channel 5, and the baffle 6 can prevent the indicating small ball 3 from falling out from the upper part of the indicating small ball moving channel 5.
The dry powder feeder 1 is internally provided with an airflow channel 4, when medicine is sucked, air flow sucked can enter an indicating small ball movement channel 5 through the airflow channel 4, and the flowing direction of the air flow is from bottom to top. The small indicating ball 3 is arranged in the small indicating ball movement channel 5, when the air suction is not performed or the air suction flow is insufficient, the small indicating ball 3 is positioned below the display window 2, when the air suction flow is larger than a certain value, the small indicating ball 3 is pushed by the air suction flow passing through the movement channel 5, the upward movement is realized by overcoming the gravity, and the position of the small indicating ball 3 can be seen through the display window 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An inhalation flow indicating device of a dry powder administration device comprises the dry powder administration device, a display window and an indicating small ball. The inside air suction airflow channel that is provided with of dry powder administrator is provided with bottom for the instruction bobble motion passageway and the display window of back taper at dry powder administrator side, instructs bobble motion passageway upper end to be provided with one and separates the fender, and the display window outside has a translucent cover. The indicating small balls are arranged in the indicating small ball movement channel, and when the air suction flow reaches a certain value, the indicating small balls are pushed by the air suction flow passing through the movement channel, and move upwards to a specific position by overcoming the gravity, and whether the air suction flow meets the requirement or not can be judged by seeing the indicating small balls in the display window.
2. The device of claim 1, wherein the indicator bead is made of plastic or metal.
3. The device for indicating inspiratory flow of a dry powder applicator according to claim 1, wherein said indicator bead has a diameter ranging from 1 mm to 30 mm.
4. The device for indicating inspiratory flow of a dry powder applicator according to claim 1, wherein the transparent cover is made of plastic, and the position of the indicating ball can be observed through the transparent cover.
5. The indicator of inspiratory flow of a dry powder applicator according to claim 1, wherein said barrier is made of plastic to prevent said indicator bead from falling out from above said indicator bead moving channel.
6. The device for indicating inhalation flow of a dry powder administration device according to claim 1, wherein an air flow channel is provided inside the dry powder administration device, and when inhaling, the inhalation air flow enters the indicating ball movement channel through the air flow channel, and the air flow direction is from bottom to top.
7. The indicating device for indicating the inspiratory flow of the dry powder administration device as claimed in claim 1, wherein the indicating pellet moving channel and the display window are arranged on the side of the dry powder administration device, the bottom of the indicating pellet moving channel is in an inverted cone shape, the included angle range of the conical surface of the inverted cone bottom of the indicating pellet moving channel is 10-170 degrees, the diameter of the cross section at the minimum diameter position of the bottom of the indicating pellet moving channel is smaller than the diameter of the indicating pellet, or the bottom of the indicating pellet moving channel is provided with a baffle, so that the indicating pellet can be prevented from being separated from the moving channel.
8. The device for indicating inspiratory flow of a dry powder applicator according to claim 1, wherein said display window has a display area in the range of 1-600 mm.
9. The indicator of inspiratory flow of dry powder applicator according to claim 1, wherein the diameter of the indicator bead moving channel at the minimum is in the range of 0.5-30 mm, and the diameter of the indicator bead moving channel at the maximum is in the range of 1-35 mm, so as to ensure that the indicator bead moves freely in the channel and can be pushed to the display window for displaying when the inspiratory flow reaches the set value.
10. The device for indicating inspiratory flow of a dry powder applicator according to claim 1, wherein the indicating ball is located below the display window when there is no inspiration or insufficient inspiratory flow, and when the inspiratory flow is greater than a certain value, the indicating ball is pushed by inspiratory airflow passing through the moving channel to move upward against gravity, and the indicating ball can be seen through the display window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110107793.7A CN114796749A (en) | 2021-01-27 | 2021-01-27 | Dry powder administration device inspiration flow indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110107793.7A CN114796749A (en) | 2021-01-27 | 2021-01-27 | Dry powder administration device inspiration flow indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114796749A true CN114796749A (en) | 2022-07-29 |
Family
ID=82525081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110107793.7A Pending CN114796749A (en) | 2021-01-27 | 2021-01-27 | Dry powder administration device inspiration flow indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114796749A (en) |
-
2021
- 2021-01-27 CN CN202110107793.7A patent/CN114796749A/en active Pending
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