CN110440137A - Gas source dynamical system and its cart - Google Patents
Gas source dynamical system and its cart Download PDFInfo
- Publication number
- CN110440137A CN110440137A CN201910735208.0A CN201910735208A CN110440137A CN 110440137 A CN110440137 A CN 110440137A CN 201910735208 A CN201910735208 A CN 201910735208A CN 110440137 A CN110440137 A CN 110440137A
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- gas
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- pass
- outlet
- valve
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- 238000005183 dynamical system Methods 0.000 title claims abstract description 31
- 230000030279 gene silencing Effects 0.000 claims description 17
- 235000004443 Ricinus communis Nutrition 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 10
- 239000007924 injection Substances 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000006837 decompression Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000007920 subcutaneous administration 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The present invention relates to the field of power equipment technology of gas-driven needle-less syringe, especially a kind of gas source dynamical system, furthermore the invention further relates to a kind of carts including above-mentioned gas source dynamical system, the gas source dynamical system includes the gas cylinder for being stored with compressed gas, first pressure reducing valve, switch valve with two-position and five-pass and switch, gas source dynamical system of the invention is applicable to biggish medical institutions, it utilizes the first pressure reducing valve, the setting of switch valve with two-position and five-pass and switch, when adapting to configure big gauge gas cylinder the compressed gas of required gas cylinder output can convenient control requirement, it realizes when switching unlatching, gas-driven needle-less syringe is injected, and when switching closing, gas-driven needle-less syringe automatic accurate can then reset, continuous several times injection is carried out to realize, it improves injection efficiency and reduces injection cost, and it is easy to operate；In addition, the gas source dynamical system, which is integrated on cart, can be convenient for shifting between each department of hospital.
Description
Technical field
The present invention relates to the field of power equipment technology of gas-driven needle-less syringe, especially a kind of gas source dynamical system, this
The invention further relates to a kind of carts including above-mentioned gas source dynamical system outside.
Background technique
The working principle of needleless injector is to generate instantaneous pressure after discharging power using power source, pushes medical fluid from micron
It is sprayed in the pore of grade, the medical fluid stream of high speed can penetrate skin moment and reach subcutaneously, make medical fluid in subcutaneous Dispersed precipitate, action
Between faster, drug absorption rate is higher；It is divided according to power source, needleless injector can be divided into spring mechanical dynamical type needleless note at present
Emitter, aerodynamic force formula Needleless injection and electrodynamometer type needleless injector；
Existing its power device of gas-driven needle-less syringe is commonly small portable power device, mainly includes decompression
Valve and the miniature gas cylinder for being compressed with carbon dioxide being connected with pressure reducing valve, it is in the majority less than the miniature gas cylinder of 20g with the compressed gas scale of construction,
Although the power device of the type has the advantages that easy to carry, it cannot achieve the automatic multiple of gas-driven needle-less syringe
Position, and the compressed gas scale of construction that can be supplied is very limited, generally injects and just needs replacing gas cylinder several times, leads to single injection
Cost is got higher, and causes injection efficiency lower because constantly to replace gas cylinder when batch is injected.
Summary of the invention
The technical problem to be solved by the present invention is in order to solve the power device of gas-driven needle-less syringe in the prior art without
Method realizes the problem of gas-driven needle-less syringe automatically resets, and now provides a kind of gas source dynamical system, furthermore the present invention provides one kind
Cart including above-mentioned gas source dynamical system.
The technical solution adopted by the present invention to solve the technical problems is: a kind of gas source dynamical system, including is stored with pressure
The gas cylinder of contracting gas, the first pressure reducing valve, switch valve with two-position and five-pass and switch, the switch valve with two-position and five-pass have P air inlet, A
Gas outlet, the gas outlet B, R exhaust outlet and S exhaust outlet；
The input port of first pressure reducing valve is connected to the delivery outlet of gas cylinder, the delivery outlet of first pressure reducing valve and two
The P air inlet of 5 way valve is connected to, and the gas outlet A of the switch valve with two-position and five-pass is used to connect going out for gas-driven needle-less syringe
Port, the gas outlet B of the switch valve with two-position and five-pass are used to be connected to the air inlet of gas-driven needle-less syringe；
The spool of switch valve with two-position and five-pass is in the closed position or open position for controlling for the switch, when switch is closed
When, the spool of switch valve with two-position and five-pass is in the closed position, and P air inlet is connected to the gas outlet A；When the switch is opened, two five
The spool of logical reversal valve is in the open position, and P air inlet is connected to the gas outlet B.
The setting of the first pressure reducing valve, switch valve with two-position and five-pass and switch is utilized in this programme, to adapt to configure big specification gas
When bottle the compressed gas of required gas cylinder output can convenient control requirement, when now switching on switch in fact, two-position five-way commutation
The P air inlet of valve is connected to the gas outlet B, and compressed gas enters pusher from the air inlet of gas-driven needle-less syringe and moves gas-driven needle-less note
The piston advances forward of emitter injects gas-driven needle-less syringe；Switch close when, the P of switch valve with two-position and five-pass into
Port is connected to the gas outlet A, and compressed gas enters pusher from the gas outlet of gas-driven needle-less syringe and takes offence dynamic needleless injector
Piston moves backward, and the piston of gas-driven needle-less syringe is made to reach the initial point of its stroke, and by the work of gas-driven needle-less syringe
Plug holds out against the initial point in its stroke, it is ensured that the accurate reset of gas-driven needle-less syringe.
The gas that gas-driven needle-less syringe is injected or is discharged when resetting in order to prevent generates biggish noise, further
Ground, the R exhaust outlet and S exhaust outlet of the switch valve with two-position and five-pass are connected to silencing means, when the switch is closed, two five
The S exhaust outlet of logical reversal valve can be connected accordingly with the gas outlet B, when the switch is opened, the R exhaust outlet of switch valve with two-position and five-pass
It can be connected accordingly with the gas outlet A；By silencing means noise reduction processing, drop can be carried out to the gas that gas-driven needle-less syringe is discharged
Noise when low use.
In order to realize that R exhaust outlet and the S exhaust outlet of switch valve with two-position and five-pass share a silencing means, to reduce cost,
Further, the R exhaust outlet of the switch valve with two-position and five-pass and S exhaust outlet are connected to by three-way connection with silencing means, the R
Exhaust outlet and S exhaust outlet pass through pipeline respectively and are connected to two input ports of three-way connection, and the delivery outlet of the three-way connection is logical
The connection of piping silencing means；The gas that R exhaust outlet and S exhaust outlet are discharged can be introduced into three-way connection using three-way connection
Delivery outlet, and reach same silencing means from the delivery outlet of three-way connection and carry out noise reduction processing.
For the fluctuation of pressure in reduction system, further, the P air inlet of the switch valve with two-position and five-pass subtracts with first
It is equipped with accumulator between pressure valve, the delivery outlet of first pressure reducing valve passes through the inlet communication of pipeline and accumulator, and described two
The P air inlet of 5 way valve passes through the outlet of pipeline and accumulator；It is linked into the system, can be reduced using accumulator
The fluctuation of pressure in system maintains system pressure balance.
Further, the switch valve with two-position and five-pass is two-position five-way air operated reversing valve, and the outlet of the accumulator is also set
There is the second pressure reducing valve, the outlet of the accumulator is connected to by pipeline with the input port of the second pressure reducing valve, and the switch is foot-operated
The air inlet of valve, the switch is connected to by pipeline with the delivery outlet of the second pressure reducing valve, and the gas outlet of the switch passes through pipeline
It is connected to the control mouth of switch valve with two-position and five-pass.
A kind of cart, it is described including the cart ontology with castor and the gas source dynamical system being arranged in cart ontology
Gas source dynamical system uses above-mentioned gas source dynamical system.
The beneficial effects of the present invention are: gas source dynamical system of the invention is applicable to biggish medical institutions, utilize
The setting of first pressure reducing valve, switch valve with two-position and five-pass and switch, required gas cylinder output when adapting to configure big gauge gas cylinder
Compressed gas can convenient control requirement, realize switch open when, gas-driven needle-less syringe is injected, and switch close
When closing, gas-driven needle-less syringe automatic accurate can then reset, thus can realize carry out continuous several times injection, improve injection efficiency and
Injection cost is reduced, and easy to operate；It can be convenient in each section of hospital in addition, the gas source dynamical system is integrated on cart
It is shifted between room.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic diagram of gas source dynamical system of the present invention；
Fig. 2 is the schematic diagram of cart of the present invention.
In figure: 1, gas cylinder, the 2, first pressure reducing valve, 3, switch valve with two-position and five-pass, 3-1, P air inlet, the gas outlet 3-2, A, 3-
3, the gas outlet B, 3-4, R exhaust outlet, 3-5, S exhaust outlet, 4, switch, 5, gas-driven needle-less syringe, 6, silencing means, 7, three connect
Head, 8, accumulator, the 9, second pressure reducing valve, 10, cart ontology, 10-1, castor.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention, direction and referring to (for example,
Upper and lower, left and right, etc.) can be only used for helping the description to the feature in attached drawing.Therefore, it is not adopted in restrictive sense
With following specific embodiments, and claimed theme is only limited by appended claims and its equivalent form
Range.
Embodiment 1
As shown in Figure 1, a kind of gas source dynamical system, gas cylinder 1, the first pressure reducing valve 2, two including being stored with compressed gas
5 way valve 3 and switch 4, the switch valve with two-position and five-pass 3 have the gas outlet P air inlet 3-1, A gas outlet 3-2, B 3-3, R
Exhaust outlet 3-4 and S exhaust outlet 3-5；
The input port of first pressure reducing valve 2 is connected to the delivery outlet of gas cylinder 1, the delivery outlet of first pressure reducing valve 2 with
The P air inlet 3-1 of switch valve with two-position and five-pass 3 is connected to, and the gas outlet the A 3-2 of the switch valve with two-position and five-pass 3 is for connecting pneumatic nothing
The gas outlet of needle injection 5, the gas outlet the B 3-3 of the switch valve with two-position and five-pass 3 be used to be connected to gas-driven needle-less syringe 5 into
Port；
The switch 4 be used to control switch valve with two-position and five-pass 3 spool is in the closed position or open position, when switch 4
When closing, the spool of switch valve with two-position and five-pass 3 is in the closed position, and P air inlet 3-1 is connected to the gas outlet A 3-2；When switch 4 is opened
The spool of Qi Shi, switch valve with two-position and five-pass 3 are in the open position, and P air inlet 3-1 is connected to the gas outlet B 3-3.
The R exhaust outlet 3-4 and S exhaust outlet 3-5 of the switch valve with two-position and five-pass 3 is connected to silencing means 6, the switch
When 4 closing, the S exhaust outlet 3-5 of switch valve with two-position and five-pass 3 can be connected accordingly with the gas outlet B 3-3, when the switch 4 is opened,
The R exhaust outlet 3-4 of switch valve with two-position and five-pass 3 can be connected accordingly with the gas outlet A 3-2；It can be to gas so as to pass through silencing means 6
The gas that dynamic needleless injector 5 is discharged carries out noise reduction processing, reduces noise when using.
R exhaust outlet 3-4 and S the exhaust outlet 3-5 of the switch valve with two-position and five-pass 3 is connected by three-way connection 7 and silencing means 6
Logical, the R exhaust outlet 3-4 and S exhaust outlet 3-5 passes through pipeline respectively and is connected to two input ports of three-way connection 7, the threeway
The delivery outlet of connector 7 is connected to by pipeline silencing device 6；R exhaust outlet 3-4 and S exhaust outlet 3-5 can be arranged using three-way connection 7
Gas out is introduced into the delivery outlet of three-way connection 7, and reaches same silencing means 6 from the delivery outlet of three-way connection 7 and carry out
Noise reduction processing.
Between the P air inlet 3-1 of the switch valve with two-position and five-pass 3 and the first pressure reducing valve 2 be equipped with accumulator 8, described first
The delivery outlet of pressure reducing valve 2 passes through the inlet communication of pipeline and accumulator 8, and the P air inlet 3-1 of the switch valve with two-position and five-pass 3 is logical
The outlet of piping and accumulator 8；Be linked into the system using accumulator 8, can in reduction system pressure fluctuation, dimension
Hold system pressure balance.
The switch valve with two-position and five-pass 3 is two-position five-way air operated reversing valve, and the outlet of the accumulator 8 is additionally provided with second and subtracts
The outlet of pressure valve 9, the accumulator 8 is connected to by pipeline with the input port of the second pressure reducing valve 9, and the switch 4 is foot valve, institute
The air inlet of switch 4 is stated be connected to by pipeline with the delivery outlet of the second pressure reducing valve 9, the gas outlet of the switch 4 pass through pipeline and
The control mouth of switch valve with two-position and five-pass 3 is connected to；Second pressure reducing valve 9 is actually by the compressed gas after the decompression of the first pressure reducing valve 2
Body distributes to switch 4 after depressurizing again, and is controlled whether the compressed gas after the secondary pressure leading to two-position five-way by switch 4
The control mouth of reversal valve 3, to realize the control to switch valve with two-position and five-pass 3；Wherein, switch 4 is using foot valve, it can be achieved that using foot
Whether stepping on just can control is injected, so as to vacate both hands operation other business.
The gas cylinder 1 that compressed gas is 4L can be selected in gas cylinder 1 in the present embodiment；
Two-position five-way solenoid directional control valve can also be used in switch valve with two-position and five-pass 3 in the present embodiment, and corresponding switch 4 becomes electricity
Switch, Simultaneous Switching 4 need not also be connected with the second pressure reducing valve 9.
The working principle of the present embodiment is as follows:
Switch 4 is normally closed switch, and the compressed gas in gas cylinder 1 reaches accumulator 8 after the decompression of the first pressure reducing valve 2, is passed through
Divide two-way after accumulator 8: compressed gas reaches the P air inlet 3-1 of switch valve with two-position and five-pass 3 all the way；Another way reaches second and subtracts
Pressure valve 9, the second pressure reducing valve 9 are assigned to switch 4 after depressurizing the compressed gas on the road；
When switch 4 is opened, the compressed gas after the second pressure reducing valve 9 depressurizes again can be led to two-position five-way by switch 4
The control mouth of reversal valve 3 makes the spool of switch valve with two-position and five-pass 3 be moved to open position, the P air inlet of switch valve with two-position and five-pass 3
Mouth 3-1 can be then connected to the gas outlet B 3-3, and the compressed gas at the P air inlet 3-1 of switch valve with two-position and five-pass 3 can go out from B at this time
Port 3-3 reaches the air inlet of gas-driven needle-less syringe 5, to push the piston advances forward of gas-driven needle-less syringe 5, realizes
Power is provided for needleless injector and is injected；At the same time, after switch 4 is opened, the R exhaust outlet of switch valve with two-position and five-pass 3
3-4 can be connected accordingly with the gas outlet A 3-2, then when gas-driven needle-less 5 piston advances forward of syringe, gas-driven needle-less syringe 5
The gas that is discharged of gas outlet R exhaust outlet 3-4 can be then reached from the gas outlet the A 3-2 of switch valve with two-position and five-pass 3, and be vented from R
Mouth 3-4 reaches silencing means 6 through three-way connection 7 and carries out noise reduction；
When switch 4 is closed, switch 4 can cut off the pressure that the second pressure reducing valve 9 supplies 3 control mouth of switch valve with two-position and five-pass
Contracting gas, makes the valve core reset of switch valve with two-position and five-pass 3 to closed position, and the P air inlet 3-1 of switch valve with two-position and five-pass 3 then can
Be connected to the gas outlet A 3-2, at this time the compressed gas at the P air inlet 3-1 of switch valve with two-position and five-pass 3 can from the gas outlet A 3-2 to
Up to the gas outlet of gas-driven needle-less syringe 5, so that the piston of gas-driven needle-less syringe 5 be pushed to be returned, infuse gas-driven needle-less
The piston of emitter 5 reaches the initial point of its stroke, and the piston of gas-driven needle-less syringe 5 is held out against the initial point in its stroke,
Ensure the accurate reset of gas-driven needle-less syringe 5；At the same time, after switch 4 is closed, the S exhaust outlet 3- of switch valve with two-position and five-pass 3
5 can connect accordingly with the gas outlet B 3-3, then when 5 piston of gas-driven needle-less syringe moves backward, gas-driven needle-less syringe 5
The gas that air inlet is discharged then can reach S exhaust outlet 3-5 from the gas outlet the B 3-3 of switch valve with two-position and five-pass 3, and from S exhaust outlet
3-5 reaches silencing means 6 through three-way connection 7 and carries out noise reduction.
Embodiment 2
As shown in Fig. 2, a kind of cart, including the cart ontology 10 with castor 10-1 and is arranged in cart ontology 10
Gas source dynamical system, the gas source dynamical system is using the gas source dynamical system in embodiment 1；Using by the gas in embodiment 1
The driving source system integration is on cart, so that the convenience used can be improved, gas source dynamical system is enable conveniently to exist
It is shifted between each department of hospital.
Above-mentioned desirable embodiment according to the present invention is enlightenment, and through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention'.This invention it is technical
Range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (6)
1. a kind of gas source dynamical system, it is characterised in that: including be stored with the gas cylinder (1) of compressed gas, the first pressure reducing valve (2),
Switch valve with two-position and five-pass (3) and switch (4), the switch valve with two-position and five-pass (3) have P air inlet (3-1), the gas outlet A (3-
2), the gas outlet B (3-3), R exhaust outlet (3-4) and S exhaust outlet (3-5)；
The input port of first pressure reducing valve (2) is connected to the delivery outlet of gas cylinder (1), the delivery outlet of first pressure reducing valve (2)
It is connected to the P air inlet (3-1) of switch valve with two-position and five-pass (3), the gas outlet A (3-2) of the switch valve with two-position and five-pass (3) is used for
The gas outlet of gas-driven needle-less syringe (5) is connected, the gas outlet B (3-3) of the switch valve with two-position and five-pass (3) is pneumatic for being connected to
The air inlet of needleless injector (5)；
The switch (4) be used to control switch valve with two-position and five-pass (3) spool is in the closed position or open position, work as switch
(4) when closing, the spool of switch valve with two-position and five-pass (3) is in the closed position, and P air inlet (3-1) is connected to the gas outlet A (3-2)；
When switch (4) are opened, the spool of switch valve with two-position and five-pass (3) is in the open position, P air inlet (3-1) and the gas outlet B (3-
3) it is connected to.
2. gas source dynamical system according to claim 1, it is characterised in that: the R of the switch valve with two-position and five-pass (3) is vented
Mouth (3-4) and S exhaust outlet (3-5) are connected to silencing means (6), when the switch (4) is closed, switch valve with two-position and five-pass (3)
S exhaust outlet (3-5) can be connected accordingly with the gas outlet B (3-3), the switch (4) open when, switch valve with two-position and five-pass (3)
R exhaust outlet (3-4) can be connected accordingly with the gas outlet A (3-2).
3. gas source dynamical system according to claim 2, it is characterised in that: the R of the switch valve with two-position and five-pass (3) is vented
Mouth (3-4) and S exhaust outlet (3-5) are connected to by three-way connection (7) with silencing means (6), the R exhaust outlet (3-4) and S exhaust
Mouth (3-5) is connected to by pipeline with two input ports of three-way connection (7) respectively, and the delivery outlet of the three-way connection (7) passes through
Pipeline silencing device (6) connection.
4. gas source dynamical system according to claim 1, it is characterised in that: the P air inlet of the switch valve with two-position and five-pass (3)
Accumulator (8) are equipped between mouth (3-1) and the first pressure reducing valve (2), the delivery outlet of first pressure reducing valve (2) by pipeline and stores
Can device (8) inlet communication, the P air inlet (3-1) of the switch valve with two-position and five-pass (3) gone out by pipeline and accumulator (8)
Mouth connection.
5. gas source dynamical system according to claim 4, it is characterised in that: the switch valve with two-position and five-pass (3) is two
The outlet of five logical air operated reversing valves, the accumulator (8) is additionally provided with the second pressure reducing valve (9), and the outlet of the accumulator (8) passes through
Pipeline is connected to the input port of the second pressure reducing valve (9), and the switch (4) is foot valve, and the air inlet of the switch (4) passes through pipe
Road is connected to the delivery outlet of the second pressure reducing valve (9), and the gas outlet of the switch (4) passes through pipeline and switch valve with two-position and five-pass (3)
Control mouth connection.
6. a kind of cart, it is characterised in that: including the cart ontology (10) with castor (10-1) and be arranged in cart ontology
(10) the gas source dynamical system in, the gas source dynamical system use gas source dynamical system as described in any one in claim 1-5
System.
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| CN201910735208.0A CN110440137A (en) | 2019-08-09 | 2019-08-09 | Gas source dynamical system and its cart |
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| CN201910735208.0A CN110440137A (en) | 2019-08-09 | 2019-08-09 | Gas source dynamical system and its cart |
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| CN201910735208.0A Pending CN110440137A (en) | 2019-08-09 | 2019-08-09 | Gas source dynamical system and its cart |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021249099A1 (en) * | 2020-06-12 | 2021-12-16 | 维景医疗科技(浙江)有限公司 | Structure for maintaining insufflation pressure and flow |
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| CN202261625U (en) * | 2011-09-02 | 2012-05-30 | 中国石油化工集团公司 | High-temperature television monitoring system with flame failure alarm function |
| CN104922757A (en) * | 2015-05-20 | 2015-09-23 | 杭州大潮石化设备有限公司 | Double-acting pneumatic miniature infusion pump |
| CN204785544U (en) * | 2015-05-20 | 2015-11-18 | 岳阳长岭炼化通达建筑安装工程有限公司 | Liquefied gas is from pressure boost conveying system that vaporizes |
| US20180008775A1 (en) * | 2016-07-07 | 2018-01-11 | Carebay Europe Ltd. | Drug Delivery Device with Pneumatic Power Pack |
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| WO2021249099A1 (en) * | 2020-06-12 | 2021-12-16 | 维景医疗科技(浙江)有限公司 | Structure for maintaining insufflation pressure and flow |
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