CN114534034A - Multi-connecting-rod simple respirator device capable of quickly changing air output - Google Patents
Multi-connecting-rod simple respirator device capable of quickly changing air output Download PDFInfo
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- CN114534034A CN114534034A CN202011333031.0A CN202011333031A CN114534034A CN 114534034 A CN114534034 A CN 114534034A CN 202011333031 A CN202011333031 A CN 202011333031A CN 114534034 A CN114534034 A CN 114534034A
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- vertical plate
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- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000008859 change Effects 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 60
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000011282 treatment Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 206010013647 Drowning Diseases 0.000 abstract description 2
- 230000035565 breathing frequency Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 230000009429 distress Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000011369 optimal treatment Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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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. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0075—Bellows-type
Abstract
The ventilator is an important indispensable and important component part for modern medical treatment and daily rescue production, and the simple ventilator under the common condition can not realize rapid change of the air output and can not adjust the proper air output according to the vital capacity of different people. In many emergency conditions, such as when the breathing is affected by debris flow distress and drowning, the optimal treatment time is delayed in the case that the patient is not in time to send to the hospital for treatment. The invention relates to a simple multi-connecting-rod respirator device capable of quickly changing the air output, which compresses a medical air bag arranged on an air bag bracket by utilizing a base and a multi-connecting-rod transmission mechanism arranged on the base to realize the functions of air suction and air expiration of the respirator, and can realize the adjustment of the compression stroke and the breathing frequency in the breathing device by adjusting the installation position of a connecting rod and the working length of a crank.
Description
Technical Field
The invention relates to a multi-connecting-rod simple respirator device capable of quickly changing air output, and belongs to the field of medical instruments.
Background
The breathing machine is an important and indispensable component part for modern medical treatment and daily rescue production; particularly, in recent years, due to the fact that new crowns are abused, the use frequency of the breathing machine is increased, and the breathing machine is suitable for occasions where breathing is stopped suddenly or is about to be stopped, cardio-pulmonary resuscitation is achieved, and first aid needs artificial respiration, and plays an important role in daily first aid, self rescue and activities. The operability and practicability of the simple respirator and the stability of the transmission are important factors for determining the quality of the respirator. The simple respirator under the common condition can not realize the rapid change of the air output and can not adjust the proper air output according to the vital capacity of different people. In many emergency conditions, such as debris flow distress, drowning and the like, the breathing is affected, and the optimal treatment time is delayed under the condition that the patient does not have time to send to the hospital for treatment. The invention relates to a simple multi-connecting-rod respirator device capable of quickly changing the air output, which compresses a medical air bag positioned on an air bag bracket by utilizing a base and a multi-connecting-rod transmission mechanism arranged on the base, realizes the functions of air suction and air expiration of the respirator, and can realize the adjustment of the compression stroke and the breathing frequency in the breathing device by adjusting the installation position of a connecting rod and the working length of a crank.
Disclosure of Invention
In view of the above situation, the present invention provides a simple multi-link respirator device capable of quickly changing the air output, which can be used for a simple respirator that is convenient for medical care personnel to carry under severe environment and emergency situations with complex terrain. A simple respirator device capable of responding to an emergency.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows:
a multi-link simple respirator device capable of quickly changing the ventilation volume can be used for ordinary daily rescue and rescue tasks under emergency situations. The air bag device is structurally characterized in that a motor is arranged on a flat plate of the base module, and power is transmitted to a driving crank through a shaft coupling and a crank shaft to penetrate through a vertical plate under the driving of the motor, so that an extrusion connecting rod can extrude the air bag device to be fixed above the vertical plate through an air bag support.
The base module is by the flat board, the riser, two angle support, 4 base type lower margin, two motor support are constituteed, wherein 4 base type lower margins are fixed in dull and stereotyped below four corners department through articulated mode, dull and stereotyped top right side is fixed in dull and stereotyped centre with motor support four corners department respectively and is leaned on right position through bolt and nut, the bolt through-hole of installation motor is reserved to motor support top, two angle support are installed through articulated mode in dull and stereotyped top left side, reserve the through-hole of installation riser on the angle support, pass through bolt and nut cooperation with the riser according to the through-hole simultaneously and fix on two angle support.
The motor driving module is composed of a motor, a coupler, a crankshaft, a driving crank, a driving connecting rod, a horizontal swing rod, an extrusion connecting rod 1, an extrusion connecting rod 2, an extrusion rocker 1, an extrusion rocker 2 and an extrusion circular plate. A through hole reserved in the lower part of the motor is hinged with a through hole in the upper part of the motor support and horizontally placed on the right side of the vertical plate, an output shaft of the motor is fixed with a crank shaft through a coupler, the crank shaft penetrates through the vertical plate and is fixed with a driving crank through a bolt, the driving crank is thickened at a position where the driving crank is contacted with a driving shaft, friction between the driving crank and the vertical plate during rotation is avoided, a U-shaped groove is formed in the driving crank, and a screw mounting groove and a scale groove are formed in the driving crank; the bolt can freely slide in the groove before being fixed, and the working length of the driving crank can be controlled; the driving crank and the driving connecting rod are installed at the through hole through a bolt, 4 through holes are formed in the horizontal swing rod, a through hole is formed in the tail end of the horizontal swing rod, the third through hole and the fourth through hole are located at the position, one fourth of the length of the horizontal swing rod away from the through hole at the tail end, of the through hole of the horizontal swing rod and the through hole of the driving crank are located on the same horizontal line, the third through hole of the horizontal swing rod is hinged to the through hole of the vertical plate, thickening processing is conducted on the inner side of the horizontal swing rod at the position where the horizontal swing rod is in contact with the vertical plate, and friction between the horizontal swing rod and the vertical plate during swinging is avoided; the through hole at the tail end farthest from the hinge position of the third through hole is hinged with the through hole at the other end of the driving connecting rod; the through holes at the left and right quarters of the fixed hinge are respectively installed with the extrusion connecting rod 1 and the extrusion connecting rod 2 through bolts, the extrusion rocker 1 and the extrusion rocker 2 are respectively hinged with the extrusion connecting rod 1 and the extrusion connecting rod 2 through bolts, the through holes reserved at the edge of the upper side of the vertical plate are respectively hinged and fixed with the through holes in the middles of the extrusion rocker 1 and the extrusion rocker 2, the through hole at the upper end of the extrusion connecting rod is hinged and installed with the through hole at the back of the extrusion circular plate, the position of the through hole at the back of the circular plate deviates from the center of a circle, and the circular plate is ensured to be in a vertical state under the action of gravity.
The air bag module consists of an air bag bracket 1, an air bag and an air bag bracket 2, wherein a through hole of the air bag bracket 1 is attached to the front side of a reserved through hole above the vertical plate, a through hole of the air bag bracket 2 is attached to the rear side of the reserved through hole of the vertical plate, the air bag bracket 1 and the air bag bracket 2 are fixedly installed through bolt connection, the air bag is installed on the upper side of the vertical plate, and the air bag bracket 1 and the air bag bracket 2 are arranged between each other; the part of the air bag bracket 1 for fixing the air bag is designed into a U shape, the part of the air bag bracket 2 for fixing the air bag is designed into a ring shape, and the air bag is firstly installed in a matching way with the air bag bracket 2 and then installed in a matching way with the air bag bracket 1; is positioned between the air bag bracket 1 and the air bag bracket 2 and above the vertical plate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a simple portable ventilator with multiple connecting rods for rapid ventilation
FIG. 2 is a schematic view of a backplane module configuration
FIG. 3 is a schematic view of the structure of the driving module 1
FIG. 4 is a schematic view of the structure of the driving module 2
FIG. 5 is a schematic view of an airbag module configuration
FIG. 6 is a schematic view of a balloon stent structure
FIG. 1 shows a base module 1, a drive module 2 and an airbag module 3
Fig. 2 base type feet 2.1, angle brackets 2.2, vertical plates 2.3, beam brackets 2.4, motor brackets 2.5 and flat plates 2.6
FIG. 3 FIG. 4 Motor 3.1 coupling 3.2 crankshaft 3.3 drive crank 3.4 drive link 4.1 horizontal swing rod 4.2 horizontal link 4.3 extrusion rocker 4.4 extrusion circular plate 4.5 extrusion rocker 4.6 horizontal link 4.7
FIG. 5 balloon stent 5.1 balloon 5.2 balloon stent 5.3
Detailed Description
For a further understanding of the contents, features and effects of the invention, reference is made to the following examples, which are intended to be further illustrative in view of the accompanying drawings. The technical scheme of the invention is as shown in the figure, and comprises a base module 1, a driving module 2 and an air bag module 3.
The base module 1 of the invention is composed of base type feet 2.1, an angle bracket 2.2, a vertical plate 2.3, a beam bracket 2.4, a motor bracket 2.5 and a flat plate 2.6. The base module install the four corners in dull and stereotyped 2.6 bottom respectively by four base type lower margin 2.1, base type lower margin 2.1 with reserve the through-hole laminating back that is good in dull and stereotyped 2.6 four corners in advance, screw up to base type lower margin 2.1 direction from dull and stereotyped 2.6 direction with the nut, cooperate two angle support 2.2 and dull and stereotyped 2.6 reserved through-hole respectively, pass angle support 2.2 and dull and stereotyped 2.6 in proper order to dull and stereotyped 2.6 direction from angle support 2.2 direction respectively with 4M 6 bolts, screw up with the nut in dull and stereotyped 2.6 bottom. After the beam support 2.4 with the reserved hole position is attached to the angle support 2.2, the vertical plate 2.3, the angle support 2.2 and the beam support 2.4 are sequentially penetrated through bolts, and nuts are screwed on the rear side of the vertical plate 2.3. The two motor supports 2.5 and the flat plate 2.6 are abutted according to the hole positions which are designed in advance, bolts sequentially penetrate through the flat plate 2.6 electric supports 2.5 from the bottom of the flat plate 2.6, and nuts are screwed on the upper part of the flat plate 2.6; the vertical plate 2.3 is provided with 3 rows of honeycomb-type through holes phi 8 except some reserved through holes, the distance is 40mm, different through holes are selected to be hinged according to needs, different output motion strokes are realized, and the purpose of reducing weight is realized.
The driving module of the invention is represented by a third graph and a fourth graph which are respectively divided into a motor 3.1 elastic coupling 3.2 crankshaft 3.3 driving crank 3.4 driving connecting rod 4.1 horizontal swing rod 4.2 horizontal connecting rod 4.3 extrusion rocker 4.4 extrusion round plate 4.5 extrusion rocker 4.6 horizontal connecting rod 4.7. The motor 3.1 is attached after through holes on the upper surfaces of the two motor supports 2.5 are aligned, and sequentially passes through the motor supports 2.5 and the motor 3.1 from bottom to top through bolts, and the bolt holes are distributed at four corners to ensure the stable reliability of the normal operation of the motor; after an output shaft of a motor 3.1 is fixed with a crankshaft 3.3 through an elastic coupling 3.2, the crankshaft 3.3 is embedded into a vertical plate 2.3 through a through hole and is installed with a driving crank 3.4, through the rotation of the motor 3.1, the rotating motion of the driving crank 3.4 in the plane of the vertical plate 2.3 is realized, a groove is formed in the driving crank 3.4, the driving crank 3.4 can freely slide in the groove with a driving connecting rod 4.1 before the bolt is hinged, a designed scale mark is arranged in the groove of the driving crank 3.4 and is divided into '1' 2 '3' gears, a nut is screwed before different gears to control the actual working length of the driving crank 3.4, the horizontal working stroke of extruding the circular plate 4.5 is further influenced, and the controllability of the degree of extruding air bags is realized. The contact position of the driving crank 3.4 and the crank shaft 3.3 is thickened by 10mm at one side of the driving crank 3.4 close to the vertical plate 2.3, so that the driving crank 3.4 is prevented from rubbing with the vertical plate 2.3 during high-speed rotation and is convenient to assemble. The driving connecting rod 4.1 is hinged with the driving crank 3.4 through a bolt at the position of the through hole, sequentially penetrates through the driving connecting rod 4.1 from top to bottom to drive the crank 3.4, and is screwed up by a nut from the lower part; the other end of the driving connecting rod 4.1 is connected with a through hole at the position farthest away from the fixed point of the horizontal swing rod 4.2 through a bolt, the bolt sequentially penetrates through the driving connecting rod 4.1 and the horizontal swing rod 4.2, and the other side of the bolt is screwed by a nut; the circular motion of the driving crank 3.4 is realized, and the swinging function of the driving connecting rod 4.1 can be realized; the fixed point of the driving crank 3.4 and the horizontal swing rod 4.1 is positioned on the same horizontal line, 4 through holes are arranged on the horizontal swing rod 4.2, the tail end of the horizontal swing rod 4.2 is respectively provided with a through hole, the third through hole and the fourth through hole are positioned at the position which is one fourth and one half of the length of the horizontal swing rod 4.2 away from the through hole at one tail end, the through hole at the fixed point is the third through hole, the contact joint position of the third through hole and the vertical plate 2.3 is thickened by 10mm, the interference between the horizontal swing rod 4.2 and the vertical plate 2.3 during the swing is avoided, the installation is convenient, the through holes are reserved at the fixed point of the horizontal swing rod 4.2 and the vertical plate 2.3 for installation, bolts sequentially penetrate through the vertical plate 2.3 of the horizontal swing rod 4.2 from top to bottom, and nuts are screwed up from the back of the vertical plate 2.3; the fixation of the horizontal swing rod 4.2 is realized; a through hole is respectively arranged at the left and right quarter of the hinge point of the horizontal swing rod 4.2; the bolts respectively penetrate through the horizontal connecting rod 4.3, the horizontal swing rod 4.2, the horizontal connecting rod 4.7 and the horizontal swing rod 4.2 in sequence, and the nuts are screwed from the other end; regular swinging of the horizontal swing rod 4.2 on the horizontal plane of the vertical plate 2.3 is realized; three through holes are formed in the 4.4(4.6) of the extrusion rocker, two ends of the 4.4(4.6) of the extrusion rocker are respectively provided with one through hole, and a third through hole is formed in the 4.4 position, which is away from one third of the length of the extrusion rocker, which is matched with the 4.4(4.6) of the extrusion rocker 4.3(4.7) of the horizontal connecting rod in an installing way; the through holes at the tail ends close to the through holes in the middles of the extrusion rocker 4.4 and the extrusion rocker 4.6 are respectively installed with the through holes of the horizontal connecting rod 4.3 and the horizontal connecting rod 4.7, and bolts respectively penetrate through the extrusion rocker 4.4, the horizontal connecting rod 4.3 and the extrusion rocker 4.6, the horizontal connecting rod 4.7 in sequence; the other side is screwed up by a nut; the middle through holes of the extrusion rocker 4.4 and the extrusion rocker 4.6 are respectively matched with through holes reserved in the vertical plate 2.3, bolts are sequentially embedded into the extrusion rocker 4.4(4.6) and the vertical plate 2.3, nuts are screwed from the back of the vertical plate, the through holes at the top of the extrusion rocker 4.4(4.6) are respectively matched with the through holes of the circular plate 4.5, and the function of regularly swinging the extrusion connecting rod 4.4(4.6) is realized; the bolt sequentially penetrates through the extrusion circular plate 4.5, the extrusion rocker 4.4(4.6) and the extrusion circular plate 4.5 from inside to outside, and is screwed by the nut at the inner side, so that the position of the through hole at the back of the extrusion circular plate 4.5 deviates from the circle center, and the extrusion circular plate is ensured to be in a vertical state under the action of gravity. The function of regular reciprocating motion of the extrusion round plate 4.5 is realized through the reciprocating motion of the extrusion rocker 4.4 (4.6); the driving connecting rod 4.1 is 136mm long, the actual working length is 120mm, the horizontal swing rod 4.2 is 196mm long, the actual working length is 180mm, the actual working length of the horizontal connecting rod 4.3(4.7) is 61mm and 45mm, the extrusion rocker 4.4(4.6) is 316mm, and the actual working length is 300 mm.
The airbag module in fig. 5 is composed of an airbag 5.2, an airbag bracket 5.1 and an airbag bracket 5.3, wherein the airbag bracket 5.1 is a U-shaped opening with a maximum opening of 36 mm; the through hole of the air bag bracket 5.1 is attached to the front side of the reserved through hole above the vertical plate, the through hole of the air bag bracket 5.3 is attached to the rear side of the reserved through hole of the vertical plate 2.3, the air bag bracket 5.2 is embedded from the front side through a bolt and sequentially passes through the air bag bracket 5.1 and the vertical plate air bag bracket 5.2, the air bag bracket 5.2 is installed and fixed by a nut from the rear side of the vertical plate 2.3, the air bag 5.2 is installed on the upper side of the vertical plate 2.3, and the air bag bracket 5.1 is arranged between the air bag bracket 5.3; the part, 5.2, of the air bag support 5.1, for fixing the air bag is designed into a U shape, the part, 5.2, of the air bag support 5.3, for fixing the air bag is designed into a ring shape, and the air bag 5.2 is firstly installed in a matching way with the air bag support 5.3 and then installed in a matching way with the air bag support 5.1 when installed; is positioned between the air bag bracket 5.1 and the air bag bracket 5.3 and above the vertical plate 2.3.
Fig. 6 is a schematic structural diagram of the airbag support, and the function of rapidly replacing the airbag 5.2 is realized by the U-shaped design of the mounting position of the airbag support 5.1 and the annular design of the mounting position of the airbag support 5.3.
The simple compressor with the multiple connecting rods and capable of quickly changing the air output can conveniently rescue patient wheels in time in different environments, change the length of the crank and the rotating speed of the motor, directly and quickly change different frequencies of the extrusion air bags, and further change the aim of rescuing for different people.
While the invention has been described in detail with reference to specific embodiments thereof, the foregoing description is only illustrative of the preferred embodiments of the invention, and is not intended to limit the scope of the invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A can change the simple and easy breathing apparatus of many tie rods of the ventilation volume fast, mainly there are motor drive, the base, the gasbag three modules, its structural feature is, is equipped with the electric motor on the flat plate of the module of the said base, pass the riser through the riser to transmit the power to the driving crank through the shaft coupling and crankshaft under the drive of the electric motor, make the extrusion tie rod can extrude and fix on the riser by the gasbag support to get the gasbag device;
the base module consists of a flat plate, a vertical plate, two corner supports, 4 base type feet and two motor supports, wherein the 4 base type feet are fixed at four corners below the flat plate in a hinged mode, the right side above the flat plate and the four corners of the motor supports are fixed at the positions close to the right in the middle of the flat plate through bolts and nuts respectively, bolt through holes for mounting the motor are reserved above the motor supports, the two corner supports are mounted at the left side above the flat plate in a hinged mode, through holes for mounting the vertical plate are reserved on the corner supports, and the vertical plate is fixed on the two corner supports in a matched mode through the bolts and the nuts according to the through holes;
the motor driving module consists of a motor, a coupler, a crankshaft, a driving crank, a driving connecting rod, a horizontal swing rod, an extrusion connecting rod 1, an extrusion connecting rod 2, an extrusion rocker 1, an extrusion rocker 2 and an extrusion circular plate; a through hole reserved in the lower part of the motor is hinged with a through hole in the upper part of the motor bracket and is horizontally arranged on the right side of the vertical plate; an output shaft of the motor is fixed with a crankshaft through a coupler, the crankshaft penetrates through the vertical plate and is fixed with a driving crank through a bolt, the driving crank is thickened at the position where the driving crank is in contact with a driving shaft, and friction between the driving crank and the vertical plate during rotation is avoided; a U-shaped groove is formed in the driving crank and is provided with a screw mounting groove and a scale groove; the bolt can freely slide in the groove before being fixed, and the working length of the driving crank can be controlled; the driving crank and the driving connecting rod are installed at the through hole through a bolt, 4 through holes are formed in the horizontal swing rod, the tail end of the horizontal swing rod is provided with a through hole, the third through hole and the fourth through hole are located at the position which is one fourth and one half of the length of the horizontal swing rod away from the tail end through hole, the through hole position of the horizontal swing rod on the vertical plate and the through hole position of the driving crank are located on the same horizontal line, and the third through hole of the horizontal swing rod is hinged to the through hole of the vertical plate; the through hole at the tail end farthest from the hinge position of the third through hole is hinged with the through hole at the other end of the driving connecting rod; the left and right quarter through holes are fixedly hinged to the left and right through holes respectively and are installed with the extrusion connecting rod 1 and the extrusion connecting rod 2 through bolts, the extrusion rocker 1 and the extrusion rocker 2 are hinged to the extrusion connecting rod 1 and the extrusion connecting rod 2 through bolts respectively, the through holes reserved in the edge of the upper side of the vertical plate are hinged and fixed to the through holes in the middles of the extrusion rocker 1 and the extrusion rocker 2 respectively, the through hole in the upper end of the extrusion connecting rod is hinged to the through hole in the back of the extrusion circular plate, the through hole in the back of the circular plate is located at a position deviated from the center of a circle, and the circular plate is guaranteed to be in a vertical state under the action of gravity;
the air bag module consists of an air bag bracket 1, an air bag and an air bag bracket 2, wherein a through hole of the air bag bracket 1 is attached to the front side of a reserved through hole above the vertical plate, a through hole of the air bag bracket 2 is attached to the rear side of the reserved through hole of the vertical plate, the air bag bracket 1 and the air bag bracket 2 are fixedly installed through bolt connection, the air bag is installed on the upper side of the vertical plate, and the air bag bracket 1 and the air bag bracket 2 are arranged between each other; the fixed gasbag department of air bag support 1 designs for the U-shaped, and air bag support 2 fixed gasbag department designs into the circularity, earlier with air bag support 2 cooperation installation during the gasbag installation, is cooperating the installation with air bag support 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333031.0A CN114534034A (en) | 2020-11-25 | 2020-11-25 | Multi-connecting-rod simple respirator device capable of quickly changing air output |
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| CN202011333031.0A CN114534034A (en) | 2020-11-25 | 2020-11-25 | Multi-connecting-rod simple respirator device capable of quickly changing air output |
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| WO2019229776A1 (en) * | 2018-06-01 | 2019-12-05 | Mathew Joseph L | Automated artificial breathing device |
| CN209174503U (en) * | 2018-11-16 | 2019-07-30 | 济南巴克超声波科技有限公司 | A kind of wabbler mechanism on supersonic wave cleaning machine |
| CN109730048A (en) * | 2019-03-08 | 2019-05-10 | 重庆西玛福科技有限公司 | It waves drug spraying equipment and waves spray method |
| CN211536084U (en) * | 2020-02-23 | 2020-09-22 | 薛蕊 | Breathe internal medicine nursing and use artificial respiration device |
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