CN110433366B - Portable department of respiration ware of dosing - Google Patents

Portable department of respiration ware of dosing Download PDF

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Publication number
CN110433366B
CN110433366B CN201910742064.1A CN201910742064A CN110433366B CN 110433366 B CN110433366 B CN 110433366B CN 201910742064 A CN201910742064 A CN 201910742064A CN 110433366 B CN110433366 B CN 110433366B
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Prior art keywords
flow channel
sleeve
venturi tube
tube assembly
supply pipe
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CN201910742064.1A
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Chinese (zh)
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CN110433366A (en
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林华芳
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Hangzhou Red Cross Hospital
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Hangzhou Red Cross Hospital
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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
    • A61M11/02—Sprayers or atomisers specially adapted for therapeutic purposes operated by air or other gas pressure applied to the liquid or other product to be sprayed or atomised
    • 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
    • A61M15/002—Details of inhalators; Constructional features thereof with air flow regulating means
    • 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
    • A61M15/0086—Inhalation chambers

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Nozzles (AREA)

Abstract

The invention relates to the technical field of drug feeders for department of respiration, and discloses a portable drug feeder for department of respiration.A capillary supply pipe extends into a lower end flow channel to be adjusted in length by adjusting the depth and the position of the lower end of a screw-in micro-flow channel mechanism of a drug charging container, so that the flow resistance of liquid medicine in the capillary supply pipe is adjusted, the atomization rate of liquid medicine with different viscosities can be well adjusted, a good atomization effect is realized, the concentration of the liquid medicine in an atomized airflow is ensured to be in a better range, and the treatment effect is improved; the invention adopts the Venturi tube principle to realize the atomization effect on the liquid medicine, is stable and reliable, has long service life, and ensures that the liquid medicine enters the Venturi tube assembly through the capillary supply tube and the lower end flow channel of the micro-channel mechanism and forms fog under the negative pressure effect at the negative pressure cavity of the Venturi tube assembly when the air pump sprays air flow to the contraction section at the lower end of the Venturi tube assembly, thereby ensuring the atomization treatment effect and improving the respiratory administration effect and energy.

Description

Portable department of respiration ware of dosing
Technical Field
The invention relates to the technical field of drug administration devices for department of respiration, in particular to a portable drug administration device for department of respiration.
Background
The general mode of treating respiratory system disease is injection or oral medicine, but both modes can not directly carry out effective treatment to deeper respiratory disease, in order to improve the treatment effect of patient, need directly send medicine to the respiratory, reach the effect of quick treatment. However, the respirator of the respiratory department of the present hospital is generally installed on a special atomization device, the structure is bulky, and atomization needs to be performed each time when the patient goes to the hospital, while the atomization effect can be realized by the common small atomization device, however, the problem of too fast atomization or too slow atomization is likely to occur when the common atomizer is used, especially for a liquid medicine with high viscosity or low viscosity due to insufficient power, which causes the concentration of the liquid medicine in the atomized air flow to be too high or too low, thereby affecting the administration effect.
Accordingly, the present invention provides a portable respirator that solves the problems set forth in the background above.
Disclosure of Invention
The present invention is directed to a portable respirator for solving the problems set forth in the background of the invention.
In order to achieve the purpose, the invention provides the following technical scheme: a portable dosing device for department of respiratory department comprises a respiratory mask, a medicine charging container, a shell, an air pump, a Venturi tube assembly, a micro-channel mechanism and a capillary supply pipe, wherein the air pump and the Venturi tube assembly are arranged in the shell, a contraction section at the lower end of the Venturi tube assembly is communicated with an air outlet end of the air pump, and a negative pressure cavity at the joint of the contraction section and a diffusion section of the Venturi tube assembly is communicated with the upper end of the micro-channel mechanism;
the lower end of the micro-channel mechanism is communicated with the upper end of the capillary supply pipe, the upper end of the capillary supply pipe extends into a lower end flow channel of the micro-channel mechanism, the lower end flow channel of the micro-channel mechanism is of a conical structure with a small upper end and a large lower end, and the length of the capillary supply pipe extending into the lower end flow channel is adjustable; the medicine charging container is detachably arranged at the lower end of the micro flow channel mechanism at the lower end of the shell, and the lower end of the capillary supply pipe is detachably inserted into the upper end of the medicine charging container in a sealing manner and is communicated with the inner cavity; when the air pump sprays air flow to the contraction section at the lower end of the Venturi tube assembly, the liquid medicine enters the Venturi tube assembly through the capillary supply pipe and the lower end flow channel of the micro flow channel mechanism under the negative pressure action of the negative pressure cavity of the Venturi tube assembly and forms fog; the diffuser section of the venturi assembly is connected to the respiratory mask.
Preferably, the length of the capillary supply pipe extending into the lower end flow channel is adjusted by adjusting the depth and the position of the lower end of the medicine-charging container screwed into the micro flow channel mechanism, so that the flow resistance of the liquid medicine in the capillary supply pipe is adjusted.
Further, as preferred, the miniflow channel mechanism includes connecting seat, endotheca and toper runner cover, wherein, the connecting seat sets up in the shell, just fixed mounting is provided with in the connecting seat the endotheca, the internal fixation cover of endotheca is equipped with toper runner cover, the center of toper runner cover is provided with the constitution the runner hole of lower extreme runner, the capillary supply tube stretches into in the runner hole, the lower extreme of connecting seat is provided with internal thread section, be provided with on the upper end ladder structure of powder charge container with the external screw thread section of connecting seat threaded connection realizes through threaded connection the length adjustment that stretches into of toper runner cover is stretched into to the capillary supply tube.
Further, as preferred, the top center of connecting seat is provided with the recess of toper structure, the recess inner wall with construct between the outer wall of venturi subassembly and be equipped with the clearance, this clearance will the runner hole at toper runner cover center with venturi subassembly's negative pressure chamber department is linked together.
Further, as preferred, the venturi subassembly includes outer diffusion cover, interior shrink cover, wherein, the upper end of outer diffusion cover is provided with the diffuser, the lower extreme of outer diffusion cover with connecting seat upper end fixed connection, the lower extreme center of outer diffusion cover be provided with the intercommunication cavity of recess relative intercommunication, be provided with in the intercommunication cavity interior shrink cover, the inside of interior shrink cover is provided with the bell mouth that upwards is the shrink, this bell mouth with the diffusion hole structure of outer diffusion cover establishes to the venturi structure, and the outer wall of interior shrink cover with the clearance between the outer diffusion cover is linked together with the clearance of recess inner wall department.
Further, as preferred, a communicating air inlet hole is formed in the side wall of the inner shrinkage sleeve, the air pump is communicated with the communicating air inlet hole through an air pipe, and a flow equalizing net is further arranged at the top of the flow passage hole in the groove of the connecting seat.
Further, as preferred, the top of outer diffusion cover still is provided with the water conservancy diversion seat, be provided with the blend stop in the hole of water conservancy diversion seat, the blend stop adopts fixed muscle to install in the inner hole wall of water conservancy diversion seat.
Further, preferably, the upper end of the diversion seat is communicated with the respirator through an L-shaped pipe.
Further, as preferred, the upper end of water conservancy diversion seat is for being the toper structure of diffusion, the lower extreme of water conservancy diversion seat is for being the toper structure of shrink.
Further, as the preferred, still include the controller, the controller sets up in the casing.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the length of the capillary supply pipe extending into the lower end flow channel is adjusted by adjusting the depth and position of the lower end of the medicine charging container screwed into the micro flow channel mechanism, so that the flow resistance of the liquid medicine in the capillary supply pipe is adjusted, the atomization rates of the liquid medicines with different viscosities can be well adjusted, a better atomization effect is realized, the concentration of the liquid medicine in the atomized airflow is ensured to be in a better range, and the treatment effect is improved; the invention adopts the venturi tube principle to realize the atomization effect on the liquid medicine, is stable and reliable, has long service life, and ensures that the liquid medicine enters the venturi tube component through the capillary supply tube and the lower end flow channel of the micro-flow channel mechanism to form fog under the negative pressure effect at the negative pressure cavity of the venturi tube component when the air pump sprays air flow to the contraction section at the lower end of the venturi tube component, thereby ensuring the atomization treatment effect and improving the respiratory administration effect and energy.
Drawings
FIG. 1 is a schematic diagram of a portable respiratory administration device;
FIG. 2 is a schematic structural diagram of a venturi tube assembly and a micro flow channel mechanism of a portable administration device for department of respiratory medicine;
FIG. 3 is an enlarged view of the location of the micro flow channel mechanism of a portable respiratory applicator.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the present invention, a portable drug delivery device for department of respiration includes a respiratory mask 12, a drug container 3, a housing 1, an air pump 2, a venturi tube assembly 5, a micro flow channel mechanism 6 and a capillary supply tube 13, wherein the air pump 2 and the venturi tube assembly 5 are disposed in the housing 1, a contraction section at a lower end of the venturi tube assembly 5 is communicated with an air outlet end of the air pump 2, and a negative pressure cavity at a connection position of a contraction section 9 and a diffusion section 8 of the venturi tube assembly 5 is communicated with an upper end of the micro flow channel mechanism 6;
the lower end of the micro flow channel mechanism 6 is communicated with the upper end of the capillary supply pipe 13, the upper end of the capillary supply pipe 13 extends into the lower end flow channel 4 of the micro flow channel mechanism, the lower end flow channel of the micro flow channel mechanism 6 is of a conical structure with a small upper end and a large lower end, and the length of the capillary supply pipe 13 extending into the lower end flow channel is adjustable; the medicine-charging container 3 is detachably arranged at the lower end of the micro-channel mechanism at the lower end of the shell, and the lower end of the capillary supply pipe 13 is detachably and hermetically inserted into the upper end of the medicine-charging container 3 and is communicated with the inner cavity; when the air pump 2 sprays air flow to the contraction section at the lower end of the Venturi tube assembly, the negative pressure at the negative pressure cavity of the Venturi tube assembly enables liquid medicine to enter the Venturi tube assembly through the capillary supply pipe and the lower end flow channel of the micro flow channel mechanism and form fog; the diffuser section of the venturi assembly is connected to the respiratory mask.
In this embodiment, the length of the capillary supply tube 13 extending into the lower end flow channel is adjusted by adjusting the depth and position of the lower end of the drug container screwed into the micro flow channel mechanism, so as to adjust the flow resistance of the drug solution in the capillary supply tube 13.
As a preferred embodiment, the micro flow channel mechanism includes a connecting seat 24, an inner sleeve 18 and a tapered flow channel sleeve 17, wherein the connecting seat 24 is disposed in the housing 1, the inner sleeve 18 is fixedly mounted in the connecting seat 24, the tapered flow channel sleeve 17 is fixedly sleeved in the inner sleeve, a flow channel hole forming the lower end flow channel 4 is disposed in the center of the tapered flow channel sleeve, the capillary supply tube 13 extends into the flow channel hole, an inner thread section 14 is disposed at the lower end of the connecting seat 24, an outer thread section 15 in threaded connection with the connecting seat is disposed on the stepped structure at the upper end of the powder charging container, and the extension length adjustment of the capillary supply tube extending into the tapered flow channel sleeve is realized through threaded connection.
The top center of the connecting seat 24 is provided with a groove with a conical structure, a gap is formed between the inner wall of the groove and the outer wall of the Venturi tube assembly, and the gap communicates the flow channel hole at the center of the conical flow channel sleeve with the negative pressure cavity of the Venturi tube assembly.
In the invention, the venturi tube assembly comprises an outer diffusion sleeve 23 and an inner shrinkage sleeve 20, wherein a diffusion section 8 is arranged at the upper end of the outer diffusion sleeve 23, the lower end of the outer diffusion sleeve 23 is fixedly connected with the upper end of the connecting seat 24, a communication cavity which is relatively communicated with the groove is arranged at the center of the lower end of the outer diffusion sleeve, the inner shrinkage sleeve 20 is arranged in the communication cavity, an upward shrinkage tapered hole is arranged in the inner shrinkage sleeve, the tapered hole is a shrinkage section 9, the tapered hole and the diffusion hole of the outer diffusion sleeve are of a venturi tube structure, and a gap between the outer wall of the inner shrinkage sleeve and the outer diffusion sleeve is communicated with a gap at the inner wall of the groove.
As a better embodiment, a communication air inlet 22 is arranged on the side wall of the inner shrinkage sleeve, the air pump 2 is communicated with the communication air inlet through an air pipe, and a flow equalizing net is further arranged at the top of the flow passage hole at the groove of the connecting seat. The top of the outer diffusion sleeve is also provided with a flow guide seat, a barrier strip 10 is arranged in an inner hole of the flow guide seat, and the barrier strip 10 is installed in the inner hole wall of the flow guide seat by adopting a fixed rib 7. The upper end of the diversion seat is communicated with the respirator 12 through an L-shaped pipe, the upper end of the diversion seat is of a diffusion conical structure, and the lower end of the diversion seat is of a contraction conical structure.
In addition, in the invention, the controller is further included, and the controller is arranged in the shell.
According to the invention, the length of the capillary supply pipe extending into the lower end flow channel is adjusted by adjusting the depth and position of the lower end of the medicine charging container screwed into the micro flow channel mechanism, so that the flow resistance of the liquid medicine in the capillary supply pipe is adjusted, the atomization rates of the liquid medicines with different viscosities can be well adjusted, a better atomization effect is realized, the concentration of the liquid medicine in the atomized airflow is ensured to be in a better range, and the treatment effect is improved; the invention adopts the venturi tube principle to realize the atomization effect on the liquid medicine, is stable and reliable, has long service life, and ensures that the liquid medicine enters the venturi tube component through the capillary supply tube and the lower end flow channel of the micro-flow channel mechanism to form fog under the negative pressure effect at the negative pressure cavity of the venturi tube component when the air pump sprays air flow to the contraction section at the lower end of the venturi tube component, thereby ensuring the atomization treatment effect and improving the respiratory administration effect and energy.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (9)

1. A portable dosing device for department of respiratory department comprises a respiratory mask, a medicine charging container, a shell, an air pump, a Venturi tube assembly, a micro-channel mechanism and a capillary supply pipe, wherein the air pump and the Venturi tube assembly are arranged in the shell, a contraction section at the lower end of the Venturi tube assembly is communicated with an air outlet end of the air pump, and a negative pressure cavity at the joint of the contraction section and a diffusion section of the Venturi tube assembly is communicated with the upper end of the micro-channel mechanism;
the lower end of the micro-channel mechanism is communicated with the upper end of the capillary supply pipe, the upper end of the capillary supply pipe extends into a lower end flow channel of the micro-channel mechanism, the lower end flow channel of the micro-channel mechanism is of a conical structure with a small upper end and a large lower end, and the length of the capillary supply pipe extending into the lower end flow channel is adjustable; the medicine charging container is detachably arranged at the lower end of the micro flow channel mechanism at the lower end of the shell, and the lower end of the capillary supply pipe is detachably inserted into the upper end of the medicine charging container in a sealing manner and is communicated with the inner cavity; when the air pump sprays air flow to the contraction section at the lower end of the Venturi tube assembly, the liquid medicine enters the Venturi tube assembly through the capillary supply pipe and the lower end flow channel of the micro flow channel mechanism under the negative pressure action of the negative pressure cavity of the Venturi tube assembly and forms fog; the diffuser section of the venturi assembly is connected with the respiratory mask;
the length of the capillary supply pipe extending into the lower end flow channel is adjusted by adjusting the depth and the position of the medicine charging container screwed into the lower end of the micro flow channel mechanism, so that the flow resistance of the liquid medicine in the capillary supply pipe is adjusted.
2. The portable drug delivery device for department of respiration as claimed in claim 1, wherein the micro flow channel mechanism comprises a connecting seat, an inner sleeve and a tapered flow channel sleeve, wherein the connecting seat is arranged in the outer shell, the inner sleeve is fixedly arranged in the connecting seat, the tapered flow channel sleeve is fixedly sleeved in the inner sleeve, a flow channel hole forming the lower end flow channel is arranged in the center of the tapered flow channel sleeve, the capillary supply pipe extends into the flow channel hole, the lower end of the connecting seat is provided with an inner thread section, an outer thread section in threaded connection with the connecting seat is arranged on the ladder structure at the upper end of the drug charging container, and the extension length adjustment of the capillary supply pipe extending into the tapered flow channel sleeve is realized through threaded connection.
3. The portable respirator of claim 2, wherein a groove with a conical structure is formed in the center of the top of the connecting seat, a gap is formed between the inner wall of the groove and the outer wall of the venturi tube assembly, and the gap connects the flow channel hole in the center of the conical flow channel sleeve with the negative pressure cavity of the venturi tube assembly.
4. The portable drug feeder for the department of respiration as claimed in claim 3, wherein the venturi tube assembly comprises an outer diffusion sleeve and an inner contraction sleeve, wherein a diffusion section is arranged at the upper end of the outer diffusion sleeve, the lower end of the outer diffusion sleeve is fixedly connected with the upper end of the connecting seat, a communication cavity which is oppositely communicated with the groove is arranged at the center of the lower end of the outer diffusion sleeve, the inner contraction sleeve is arranged in the communication cavity, a tapered hole which contracts upwards is arranged in the inner contraction sleeve, the tapered hole and the diffusion hole of the outer diffusion sleeve are of a venturi tube structure, and a gap between the outer wall of the inner contraction sleeve and the outer diffusion sleeve is communicated with a gap at the inner wall of the groove.
5. The portable drug delivery device for department of respiration as claimed in claim 4, wherein the side wall of the inner shrinking sleeve is provided with a communication air inlet hole, the air pump is communicated with the communication air inlet hole through an air pipe, and the top of the flow passage hole at the groove of the connecting seat is further provided with a flow equalizing net.
6. The portable respirator of claim 4, wherein a flow guide seat is further disposed on the top of the outer diffusion sleeve, a barrier strip is disposed in an inner hole of the flow guide seat, and the barrier strip is mounted in a hole wall of the flow guide seat by using a fixing rib.
7. The portable respirator of claim 6, wherein the top of the diversion seat is connected to the respirator through an L-shaped tube.
8. The portable respirator of claim 7, wherein the upper end of the flow guide seat is of a divergent conical structure and the lower end of the flow guide seat is of a convergent conical structure.
9. The portable respiratory applicator of claim 4 further comprising a controller disposed within the housing.
CN201910742064.1A 2019-08-12 2019-08-12 Portable department of respiration ware of dosing Active CN110433366B (en)

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Publication number Priority date Publication date Assignee Title
CN110812632B (en) * 2019-11-28 2021-08-03 上海中医药大学附属曙光医院 Oxygen-driven jet type atomizer for nursing respiratory diseases of children
CN111972478B (en) * 2020-09-01 2023-01-24 极速(广东)冷链设备有限公司 Tunnel type poultry instant freezer

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AU779413B2 (en) * 1999-11-08 2005-01-20 Capnia Incorporated Method for co-application of gases and drugs to potentiate their action in relieving headaches, angina, and other ailments
US8573203B2 (en) * 2004-02-20 2013-11-05 Pneumoflex Systems, Llc Nebulizer having flow meter function
CN101189503A (en) * 2005-03-31 2008-05-28 C2诊断公司 Optical device for blood analysis, analyzing apparatus equipped with same
CN2894719Y (en) * 2006-01-17 2007-05-02 纪明毅 Resistance-free oxygen-uptake access device
CN201436037U (en) * 2009-01-03 2010-04-07 张慧颖 Smoking abatement and cigarette replacement device
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