CN111956931B - A nebulizer drug delivery device integrated in a ventilator pipeline - Google Patents
A nebulizer drug delivery device integrated in a ventilator pipeline Download PDFInfo
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- CN111956931B CN111956931B CN202010778853.3A CN202010778853A CN111956931B CN 111956931 B CN111956931 B CN 111956931B CN 202010778853 A CN202010778853 A CN 202010778853A CN 111956931 B CN111956931 B CN 111956931B
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- supply pipe
- air supply
- hole
- plate
- connecting column
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- 238000012377 drug delivery Methods 0.000 title claims abstract description 12
- 239000006199 nebulizer Substances 0.000 title 1
- 239000003814 drug Substances 0.000 claims abstract description 38
- 229940079593 drug Drugs 0.000 claims abstract description 8
- 238000000889 atomisation Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 19
- 239000007789 gas Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 230000029058 respiratory gaseous exchange Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002572 peristaltic effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 201000004193 respiratory failure Diseases 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
-
- 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
- A61M11/001—Particle size control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Nozzles (AREA)
Abstract
本发明公开了一种集成在呼吸机管路中的雾化给药装置，涉及医疗器械技术领域。本发明包括混合供气管和供药管；混合供气管内并排固定有固定板；混合供气管侧壁开设有调节槽口；两固定板间通过连接柱转动连接有调节板；两固定板侧面均圆周阵列有通气孔；连接柱开设有雾化孔，且雾化孔两端分别贯穿固定板；供药管与雾化孔位置对应；调节板侧面开设有与通气孔对应的调节孔；调节板周侧面固定有与调节槽口间隙配合的拨杆。本发明通过转动调节板调节气量，使得雾化液滴粒径大小得到调节，实现对雾化液滴粒径均匀可控的目的。
The present invention discloses an atomizing drug delivery device integrated in a ventilator pipeline, and relates to the technical field of medical devices. The present invention includes a mixed air supply pipe and a drug supply pipe; a fixed plate is fixed side by side in the mixed air supply pipe; an adjusting notch is provided on the side wall of the mixed air supply pipe; an adjusting plate is rotatably connected between the two fixed plates through a connecting column; both sides of the two fixed plates have vents in a circular array; the connecting column is provided with an atomizing hole, and both ends of the atomizing hole pass through the fixed plate respectively; the drug supply pipe corresponds to the atomizing hole; an adjusting hole corresponding to the vent is provided on the side of the adjusting plate; a lever that matches the clearance of the adjusting notch is fixed on the side surface of the adjusting plate. The present invention adjusts the gas volume by rotating the adjusting plate, so that the particle size of the atomized droplets is adjusted, thereby achieving the purpose of uniform and controllable particle size of the atomized droplets.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to an atomization drug delivery device integrated in a breathing machine pipeline.
Background
The medical respirator can effectively replace autonomous ventilation function, is widely used in respiratory failure caused by various reasons, anesthesia respiratory management during major surgery, respiratory support treatment and emergency resuscitation, occupies very important positions in the field of modern medicine, and is a vital medical device capable of preventing and treating respiratory failure, reducing complications, saving and prolonging the life of patients.
In the prior art, the medical breathing machine generally only provides the oxygen supply function, and lacks adaptability to patients who need to carry out atomization administration at the same time of oxygen inhalation, and the patients need to stop oxygen inhalation and take down the oxygen inhalation device to carry out atomization, so that the operation is troublesome, the treatment time can be prolonged, and the rehabilitation of the patients is unfavorable.
The invention 201910716550.6 in China discloses a medical ventilator capable of realizing atomized drug delivery, which comprises a ventilator main body, wherein an oxygen supply device and an atomized drug delivery box are arranged in an inner cavity of the ventilator main body. The invention can simultaneously meet the requirements of oxygen inhalation and atomization administration of patients, does not need to replace instruments, and is convenient to use.
Meanwhile, the size of the particle size of atomized liquid drops of the existing breathing machine combined with the atomizing device is not easy to adjust, and the size of the particle size of the atomized liquid drops cannot be adjusted according to the use condition. In addition, the existing atomizing device can only atomize the independent liquid medicine, and can not realize simultaneous atomization of two liquid medicines or can enable the two liquid medicines to generate a mixed micro-wrapping state.
But this technical solution is simple to combine oxygen suppliment and atomizing device to the structure is comparatively complicated, is difficult to integrate, and the convenience of use is relatively poor.
Disclosure of Invention
The invention aims to provide an atomization drug delivery device integrated in a breathing machine pipeline, which solves the problem that the particle size of the existing atomization liquid drops can not be adjusted by arranging a fixed plate, a connecting column and a drug delivery pipe, arranging an adjusting plate between the two fixed plates and adjusting the air quantity by rotating the adjusting plate.
In order to solve the technical problems, the invention is realized by the following technical scheme:
The invention relates to an atomization drug delivery device integrated in a breathing machine pipeline, which comprises a mixed air supply pipe and a drug supply pipe; the inner wall of the mixed gas supply pipe is fixedly connected with a fixing plate side by side; an adjusting notch is formed in the side wall of the mixed air supply pipe and is positioned between the two fixed plates;
a connecting column is fixedly connected between the two fixing plates; the side surfaces of the two fixing plates are provided with vent holes in one-to-one correspondence in a circumferential array;
The connecting column is arranged concentrically with the mixed gas supply pipe; an atomization hole is formed in one end of the connecting column, and two ends of the atomization hole penetrate through the side face of the fixing plate respectively; the peripheral side surface of the connecting column is rotationally connected with an adjusting plate;
One end of the medicine supply pipe is connected with a medicine supply device, and the other end of the medicine supply pipe penetrates through the side wall of the mixed air supply pipe and corresponds to the atomization hole;
The two side surfaces of the adjusting plate are respectively attached to the fixing plate; the side surface of the adjusting plate is provided with a connecting hole matched with the connecting column; the side surface of the adjusting plate is provided with adjusting holes which are in one-to-one correspondence with the vent holes; the side face of the circumference of the adjusting plate is fixedly connected with a deflector rod which is in clearance fit with the adjusting notch.
Further, the atomizing hole is of a truncated cone-shaped structure, and the flaring end is positioned at one side close to the medicine supply pipe.
Further, annular grooves are formed in the opposite side faces of the adjusting plate; and a sliding sealing ring is arranged in the annular groove.
Further, the upper end of the deflector rod is fixedly connected with a deflector block; the shifting block is of an arc-shaped structure matched with the outer wall of the mixed air supply pipe.
The invention has the following beneficial effects:
1. According to the invention, the medicine supply pipe is arranged in the mixed air supply pipe, the medicine supply pipe corresponds to the atomization holes, and the medicine liquid in the medicine supply pipe is atomized Kong Chuiguo by the air flow, so that the medicine liquid is atomized, the structure is compact, the integration is high, and the integral use convenience is effectively improved.
2. According to the invention, the ventilation amount can be adjusted by rotating the adjusting plate, and the particle size of atomized liquid drops can be adjusted by controlling the liquid medicine flow in the medicine supply pipe and the ventilation amount of the air supply pipe, so that the atomization process is highly controllable, and the use convenience and practicality are effectively improved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of an aerosolized drug delivery device integrated into a ventilator circuit in accordance with the present invention;
FIG. 2 is a front view of the structure of FIG. 1;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
FIG. 4 is a half cross-sectional view of a mixed gas feed tube;
FIG. 5 is a schematic structural view of an adjusting plate;
in the drawings, the list of components represented by the various numbers is as follows:
1-mixed air supply pipe, 2-medicine supply pipe, 3-fixed plate, 4-adjusting plate, 101-adjusting notch, 301-connecting column, 302-vent hole, 303-atomizing hole, 401-connecting hole, 402-adjusting hole, 403-deflector rod, 404-sliding sealing ring and 405-deflector block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1,2 and 4, the present invention is an atomized medicine feeding device integrated in a ventilator circuit, comprising a mixed gas supply pipe 1 and a medicine supply pipe 2; one end of the mixed air supply pipe 1 is connected with a breathing machine, the other end is connected with accessories such as a breathing mask and the like. The inner wall of the mixed gas supply pipe 1 is fixedly connected with a fixed plate 3 side by side. The side wall of the mixed air supply pipe 1 is provided with an adjusting notch 101, and the adjusting notch 101 is positioned between the two fixed plates 3;
a connecting column 301 is fixedly connected between the two fixing plates 3; the side surfaces of the two fixing plates 3 are provided with vent holes 302 in a one-to-one correspondence in a circumferential array.
The connection column 301 is arranged concentrically with the mixed gas supply pipe 1; an atomization hole 303 is formed in one end of the connecting column 301, two ends of the atomization hole 303 penetrate through the side face of the fixed plate 3 respectively, and the peripheral side face of the connecting column 301 is connected with an adjusting plate 4 in a rotating mode.
As shown in fig. 3 and 4, one end of the medicine supply tube 2 is connected with a medicine supply device, and the other end penetrates through the side wall of the mixed gas supply tube 1 and corresponds to the position of the atomizing hole 303, and the medicine supply tube 2 can be a capillary tube, a glass tube, a stainless steel needle or the like.
The medicine supplying device comprises two liquid storage tanks and a peristaltic pump, and the medicine liquid is injected into the medicine supplying pipe 2 through the peristaltic pump. Wherein, the atomizing hole 303 is in a truncated cone-shaped structure, and the flaring end is positioned at one side close to the medicine supply pipe 2. The liquid medicine flows out from the medicine supply pipe 2, passes through the atomizing hole 303 under the action of the air flow, and forms micro liquid drops under the shearing action of the atomizing hole 303 and the air flow, so that the liquid medicine is atomized.
As shown in fig. 3 and 5, two side surfaces of the adjusting plate 4 are respectively attached to the fixing plate 3; the side surface of the adjusting plate 4 is provided with a connecting hole 401 matched with the connecting column 301; the side surface of the adjusting plate 4 is provided with adjusting holes 402 which are in one-to-one correspondence with the vent holes 302; a deflector rod 403 which is in clearance fit with the adjusting notch 101 is fixedly connected with the circumferential side surface of the adjusting plate 4.
The adjusting plate 4 is rotated through the deflector rod 403 to enable the adjusting hole 402 and the vent holes 302 to be staggered, so that the air flow in the mixed air supply pipe 1 is adjusted, the air flow passing through the atomizing hole 303 can be controlled, the atomization effect of liquid medicine is adjusted, the particle size of atomized liquid drops is adjusted, and meanwhile, the flow of the liquid medicine in the medicine supply pipe 2 is controlled through the peristaltic pump to achieve the adjustment of the atomization effect, so that the atomized liquid drops are uniformly and controllably atomized.
Preferably, an annular groove is formed on one opposite side surface of the adjusting plate 4; a sliding sealing ring 404 is arranged in the annular groove, and the sealing effect between the adjusting plate 4 and the fixed plate 3 can be improved through the sliding sealing ring 404.
Meanwhile, the upper end of the shift lever 403 is fixedly connected with a shift block 405; the shifting block 405 is of an arc structure matched with the outer wall of the mixed gas supply pipe 1, the adjusting convenience can be improved through the shifting rod 403, and anti-slip grooves can be uniformly distributed on the upper surface of the shifting rod 403, so that the anti-slip effect during adjustment is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (2)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010778853.3A CN111956931B (en) | 2020-08-05 | 2020-08-05 | A nebulizer drug delivery device integrated in a ventilator pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010778853.3A CN111956931B (en) | 2020-08-05 | 2020-08-05 | A nebulizer drug delivery device integrated in a ventilator pipeline |
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| Publication Number | Publication Date |
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| CN111956931A CN111956931A (en) | 2020-11-20 |
| CN111956931B true CN111956931B (en) | 2024-11-12 |
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| CN202010778853.3A Active CN111956931B (en) | 2020-08-05 | 2020-08-05 | A nebulizer drug delivery device integrated in a ventilator pipeline |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112915347B (en) * | 2021-01-21 | 2023-09-05 | 浙江大学医学院附属第一医院 | A prostacyclin liquid electrode atomization device that can be connected to a ventilator |
| CN113082446A (en) * | 2021-04-08 | 2021-07-09 | 江西省人民医院 | Department of anesthesia uses controllable formula anaesthesia device |
| CN113674831A (en) * | 2021-07-19 | 2021-11-19 | 深圳来福士雾化医学有限公司 | Quantitative aerosol administration method, system, device and computer readable storage medium |
| CN113598904B (en) * | 2021-08-10 | 2022-07-05 | 张加永 | Pelvic floor operation puncture outfit for internal medicine operation |
| CN113693775B (en) * | 2021-08-25 | 2024-02-06 | 延边大学 | Model preparation aerosol inhalation device and method for asthmatic mice |
| CN114588506B (en) * | 2022-03-07 | 2022-09-20 | 广东固特超声股份有限公司 | Automatic regulating system for nasal cavity atomization, wetting, inflammation diminishing and sterilization device |
| CN114618061A (en) * | 2022-04-12 | 2022-06-14 | 深圳融昕医疗科技有限公司 | Breathing machine |
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| CN212547902U (en) * | 2020-08-05 | 2021-02-19 | 合肥中科力一科技有限公司 | Atomizing medicine feeding device integrated in breathing machine pipeline |
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| CN212547902U (en) * | 2020-08-05 | 2021-02-19 | 合肥中科力一科技有限公司 | Atomizing medicine feeding device integrated in breathing machine pipeline |
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