CN106581808A - Heatable venting non-phthalate liquid-check precision filter infusion apparatus - Google Patents
Heatable venting non-phthalate liquid-check precision filter infusion apparatus Download PDFInfo
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- CN106581808A CN106581808A CN201611023310.0A CN201611023310A CN106581808A CN 106581808 A CN106581808 A CN 106581808A CN 201611023310 A CN201611023310 A CN 201611023310A CN 106581808 A CN106581808 A CN 106581808A
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- liquid
- dropping funnel
- air inlet
- inlet pipe
- dropper
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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
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
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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
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
- A61M5/38—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 with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
- A61M5/385—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 with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters using hydrophobic filters
-
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention provides a heatable venting non-phthalate liquid-check precision filter infusion apparatus, characterized in that a PTC (positive temperature coefficient) ceramic heater is fitted in a dropper, the lower portion of the dropper is provided with a liquid-check precision liquid medicine filter membrane, the lower end of the dropper is provided with a dropper lower cover, a liquid outlet of the dropper lower cover is connected with a line, the line is connected to an external conical connector, the external conical connector is provided with an external conical connector protecting sleeve, and the line is fitted with a flow regulator. The PTC ceramic heater is used to directly heat liquid medicine in the dropper, a special temperature control system is not required, the size is small, bubbles may be intercepted by the liquid-check precision liquid medicine filter membrane after heating; the apparatus has the advantages that filtering speed is high, heating speed is high, air can be evacuated, precise control of infusion rate is unaffected, and blood coagulating can be avoided.
Description
Technical field
The present invention relates to a kind of transfusion device, more particularly to one kind can heat, exhaust, automatic liquid-stopping accurate mistake simultaneously automatically
The transfusion device that filter liquid is not injured to human body again, belongs to medical instruments field.
Background technology
At present, disposable infusion set is the indispensable medical apparatus of clinical transfusion, and it typically includes successively from top to bottom
Puncture outfit, woven hose, drop cylinder, flow regulator, female Luer, transfusion needle.Though this transfusion device simple structure, in transfusion
If at the end of extract transfusion needle or carry out in time not in time and change bottle operation, air will enter infusion pipeline and form bubble, bubble
Vein blood back can be caused in patient's body, or even leads to serious medical accident.This requires that medical personnel's repeat runs in-motion viewing is examined,
Virtually increased the stress and work difficulty of patient, entourage and medical personnel.
And, with the development of science and technology, the cognitive lifting of people, gradually recognize in infusion process and have particulate presence,
And can not be produced harm by body metabolism.Because the capillary diameter in human body averagely only has 7um～9um, minimum is
4um.If patient Jing often infuses, particulate of the diameter more than 4um will be accumulated in the heart, liver, lung, brain, kidney, muscle, skin in liquid
In the capillaries such as skin, larger particulate can directly contribute capillary embolism, cause local blood supply insufficiency, histanoxia and lead
Cause oedema and inflammation, less particulate to be eaten by macrophage, cause macrophage to increase, form granuloma.These changes
Change can occur in body tissue, especially lungs.
Additionally, particulate can also directly cause exothermic reaction.At present in infusion process, infusion reaction happens occasionally, except thin
Outside bacterium pollution reaction, pyrogen reaction, the particulate pollution reaction that particulate matter causes also increasingly is subject to people's attention.
Because the temperature of the liquid in transfusion device is relatively low, human body, can be because ice-cold liquid be produced not in infusion process
Suitable sensation, particularly in cold winter, along with some liquid drop speed are very fast, patient can produce serious sense of discomfort, no
Beneficial to absorption of the body to liquid, the effect of infusion treatment is have impact on.Existing transfusion device typically sets heating mantle using outside
Mode is heated, and this mode of heating firing rate is slow, and generation bubble cannot be excluded in heating process, and transfusion device volume
Greatly, it is too fat to move.
The content of the invention
It is an object of the invention to provide it is a kind of heat can be vented stop liquid precision filter infusion set without adjacent benzene, its filtration
Speed is fast, and firing rate is fast, can exclude air, and does not affect infusion rate accurately to control, and can anti-hemostasis-coagulation.
For achieving the above object, following technical proposals be present invention employs.It is a kind of heat can be vented stop liquid without adjacent benzene
Precision filter infusion set, including protective sleeve for bottle stopper puncture outfit, bottle plug puncture unit, air inlet pipe, air cleaner, dropper, air inlet seat,
Lid, only dropping funnel, liquid precision liquid medicine filter membrane, dropping funnel lower cover, pipeline, flow regulator, cylindrical tapered joint in latex block, dropping funnel
Head, outer cone joint protective sleeve；The dropping funnel upper end is provided with dropping funnel and covers, and feed tube, feed tube connection are provided with covering on dropping funnel
Dropper, dropper connection bottle plug puncture unit, sets three-way interface in the bottle plug puncture unit, one of interface connects dropper, and second
Individual interface connection cutting tip, the 3rd interface connect air inlet pipe, and the inlet end of air inlet pipe arranges air cleaner, and the bottle stopper is worn
The cutting tip of thorn device is cased with protective sleeve for bottle stopper puncture outfit；Air inlet pipe and chemical feed pipe are covered with the dropping funnel, are installed on chemical feed pipe
Latex block, installs air inlet seat in air inlet pipe；It is characterized in that：PTC-ceramic fever tablet is installed, under the dropping funnel in the dropping funnel
Portion is arranged stops liquid precision liquid medicine filter membrane, the installation dropping funnel lower cover of the dropping funnel lower end, the liquid outlet connecting line of dropping funnel lower cover,
Pipeline connects cylindrical taper joint, and the cylindrical taper joint is provided with outer cone joint protective sleeve, flow regulator is installed on pipeline.
Preferably, lid installs heating plate rack on the dropping funnel, and heating plate rack gos deep in dropping funnel, fever tablet
PTC-ceramic fever tablet is fixed in the lower end of frame, and the electric lead that connects of PTC-ceramic fever tablet is located in heating plate rack and connects on dropping funnel
Plug-in type connection terminal outside lid, heating plate rack adopts hard plastic charge bar, inside sets wire；Plug-in type connection terminal is fixed on drop
Exterior surface on bucket.
Further improve, the only liquid precision liquid medicine filter membrane is by cylinder stent, only liquid coarse filtration film, only liquid essence filter membrane
Constitute, the upper end of cylinder stent is provided with the first rank boss, bonding stops liquid coarse filtration film, the lower end of cylinder stent on the first rank boss
Second-order boss is provided with, bonding stops liquid essence filter membrane on second-order boss；The internal diameter of second-order boss is than the first rank boss internal diameter
Little, during assembling, first assembling stops liquid essence filter membrane, then assembles only liquid coarse filtration film；The only liquid coarse filtration film is that thickness is 1mm,
The SiO 2-ceramic film in 5-8 μm of filter opening aperture, the only liquid essence filter membrane is with the SiO 2-ceramic in 2-3 μm of filter opening aperture
Film is basement membrane, and cationic polyelectrolyte layer is first deposited on basement membrane, then deposits supermolecule on cationic polyelectrolyte layer
Polymeric layer, cationic polyelectrolyte layer and supermolecule polymer layer alternating deposit it is multiple.
Further improve, the outer wall of air inlet pipe lower end is provided with a circle bulge loop, and waterproof ventilated membrane is fixed by becket, gold
Groove is set in category ring, waterproof ventilated membrane surrounding is clamped in groove, or, becket is made up of two panels annular sheet metal, is led to
Cross two panels annular sheet metal and clamp waterproof ventilated membrane, becket is arranged in the base of the rubber protecting jacket of annular, and rubber is protected
The chassis outer side of sheath extends upward rubber protecting jacket wall extension, and the internal diameter of rubber protecting jacket wall extension is than air inlet pipe external diameter slightly
Little, rubber protecting jacket wall extension is provided with the deep-slotted chip breaker coordinated with the bulge loop of air inlet pipe, and rubber protecting jacket wall extension is enclosed within air inlet pipe
Outward, the base of rubber protecting jacket is against air inlet pipe lower end, is matched somebody with somebody by rubber protecting jacket wall extension and the air inlet pipe of rubber protecting jacket
Close.
The waterproof and breathable net of the air inlet pipe of the present invention is easy for installation, and good reliability will not be blocked because of viscose glue.The present invention's
Only liquid precision liquid medicine filter membrane adopts thickness two film construction, empty profit capillary force characteristic only liquid not only to be realized, also by this
Simple mode realizes miniflow transfusion, and anti-hemostasis-coagulation realizes structure compared to other miniflows, and this mode processing technology is more
For simple.The present invention directly installs heater in dropping funnel, and firing rate is fast, and is heated using PTC-ceramic fever tablet,
The characteristics of PTC-ceramic fever tablet has automatic constant-temperature, it is not necessary to temperature control system, be by PTC-ceramic fever tablet direct-electrifying
Can, so without the need for control, as long as selecting PTC-ceramic fever tablet of the heating temp within 36 DEG C.Plug-in type connection terminal
Exterior surface on dropping funnel is fixed on, electricity is connect by plug-in type connection terminal, small volume is connect electricity conveniently, can be charged using mobile phone
Line connects electricity, is powered using charger baby.
Description of the drawings
Fig. 1 is to separate the schematic diagram that air admission type stops liquid precision filter infusion set without adjacent benzene.
Fig. 2 is waterproof ventilated membrane scheme of installation in air inlet pipe.
Fig. 3 is the schematic diagram of only liquid precision liquid medicine filter membrane.
1- protective sleeve for bottle stopper puncture outfit 2- bottle plug puncture unit 3- air inlet pipe 4- air cleaner 5- dropper 6- enter
9- dropping funnel 10- are covered on gas seat 7- latex block 8- dropping funnels and stops liquid precision liquid medicine filter membrane 11- dropping funnel lower cover 12-
Pipeline 13- flow regulatorsThe cylindrical taper joint 15- outer cones joint protective sleeve 16- air inlet pipe 17- waterproofs of 14-
Ventilated membrane 18- becket 19- rubber protecting jacket 20-PTC ceramic heating plates 21- heating plate rack 22- plug-ins
Binding post.
Specific embodiment
The technical scheme in the present invention is carried out specifically, clearly and completely describe below in conjunction with drawings and Examples.
Embodiment 1
With reference to Fig. 1, can heat can be vented stop liquid precision filter infusion set, including protective sleeve for bottle stopper puncture outfit without adjacent benzene（1）, bottle
Plug puncture outfit（2）, air inlet pipe（3）, air cleaner（4）, dropper（5）, air inlet seat（6）, latex block（7）, cover on dropping funnel
（8）, dropping funnel（9）, only liquid precision liquid medicine filter membrane（10）, dropping funnel lower cover（11）, pipeline（12）, flow regulator（13）, it is cylindrical
Taper joint（14）, outer cone joint protective sleeve（15）, PTC-ceramic fever tablet（20）, heating plate rack（21）, plug-in terminals
Son（22）.The dropping funnel（9）Upper end is provided with dropping funnel and covers（8）, cover on dropping funnel（8）In be provided with feed tube, feed tube connection dropper
（5）, dropper（5）Connection bottle plug puncture unit（2）, the bottle plug puncture unit（2）Inside set three-way interface, one of interface connection drop
Pipe（5）, second interface connection cutting tip, the 3rd interface connect air inlet pipe（3）, air inlet pipe（3）Inlet end arrange air
Filter（4）, the bottle plug puncture unit（2）Cutting tip be cased with protective sleeve for bottle stopper puncture outfit（1）.Cover on the dropping funnel（8）If
There is air inlet pipe（16）And chemical feed pipe, latex block is installed on chemical feed pipe（7）, air inlet seat is installed in air inlet pipe（6）, under air inlet pipe
Dropping funnel is goed deep at end（9）It is interior and lower than the feed liquor mouth of pipe.Cover on the dropping funnel（8）Heating plate rack is installed（21）, generate heat plate rack
（21）Go deep into dropping funnel（9）Interior, generate heat plate rack（21）Lower end fix PTC-ceramic fever tablet（20）, PTC-ceramic fever tablet（20）
Connect electric lead be located at heating plate rack（21）It is interior and connect on dropping funnel cover（8）Outside plug-in type connection terminal（22）, heating
Plate rack（21）Hard plastic charge bar can be adopted, wire is inside set；Plug-in type connection terminal（22）It is fixed on dropping funnel and covers（8）Appearance
Face, using plug-in type connection terminal（22）, small volume, it is convenient to connect electricity, can be heated using charger baby, cellular phone power supplies；PTC-ceramic
Fever tablet（20）The characteristics of with automatic constant-temperature, it is not necessary to temperature control system, by PTC-ceramic fever tablet（20）Direct-electrifying
, so without the need for control, as long as selecting PTC-ceramic fever tablet of the heating temp within 36 DEG C（20）.The dropping funnel
（9）Bottom is arranged stops liquid precision liquid medicine filter membrane（10）, the dropping funnel（9）The installation dropping funnel lower cover of lower end（11）, dropping funnel lower cover
（11）Liquid outlet connecting line（12）, pipeline（12）Connect cylindrical taper joint（14）, the cylindrical taper joint（14）It is provided with outer
Cone joint protective case（15）, pipeline（12）Upper installation flow regulator（13）.In the present invention, in dropping funnel（9）Interior heating liquid,
Then again by only liquid precision liquid medicine filter membrane（10）Filter, only liquid precision liquid medicine filter membrane（10）Interception bubble, gas can be filtered
Bubble will not be entered in human body.
The dropper（5）, dropping funnel（9）, pipeline（12）Primary raw material is adopted to be made up of polyvinyl chloride, with tri trimellitate
Monooctyl ester TOTM is plasticizer, and using ethylene oxide sterilizing, product is aseptic, apyrogeneity, for clinical single use.
With reference to Fig. 2, in order to prevent liquid from entering air inlet pipe（16）, need in air inlet pipe（16）Lower end is installed by waterproof ventilated membrane
（17）, the general waterproof ventilated membrane of comparison（17）Installation method is waterproof ventilated membrane by glue（17）It is pasted onto air inlet pipe
（16）Lower end.But it is because air inlet pipe（16）It is little, waterproof ventilated membrane（17）Also area is little, and slightly imprudence will drop in glue anti-
Water ventilated membrane（17）, cause waterproof ventilated membrane（17）Gas permeability is impacted, when serious, it is impossible to air inlet.Therefore, the present embodiment design
Following structure：Air inlet pipe（16）The outer wall of lower end is provided with a circle bulge loop（161）, waterproof ventilated membrane（17）By becket
（18）It is fixed, becket（18）Inside set groove, waterproof ventilated membrane（17）Surrounding is clamped in groove, or, becket（18）By
Two panels annular sheet metal is constituted, and by two panels annular sheet metal waterproof ventilated membrane is clamped（17）, becket（18）It is arranged on
The rubber protecting jacket of annular（19）Base in, rubber protecting jacket（19）Chassis outer side extend upward rubber protecting jacket extension
Wall（191）, rubber protecting jacket wall extension（191）Internal diameter compare air inlet pipe（16）External diameter is slightly smaller, rubber protecting jacket wall extension（191）
It is provided with and air inlet pipe（16）Bulge loop（161）The deep-slotted chip breaker of cooperation, rubber protecting jacket wall extension（191）It is enclosed within air inlet pipe（16）
Outward, rubber protecting jacket（19）Base be against air inlet pipe（16）Lower end, by rubber protecting jacket（19）Rubber protecting jacket extend
Wall（191）With air inlet pipe（16）Coordinate, it is easy for installation, and be completely embedded waterproof.In addition, becket（18）Play support work
With protection waterproof ventilated membrane（17）It is indeformable.
When using, cylindrical taper joint（14）Connecting intravenous infusion pin.In the present invention, directly dropping funnel（9）It is transformed into filtration
Device so as to possess filtration and air intake-exhaust function, dropping funnel（9）Space is larger, and the rate of filtration is fast, and in bottle plug puncture unit（2）
Upper connection air inlet device, making the liquid of infusion bottle can smoothly flow into dropping funnel（9）It is interior, not by dropping funnel（9）Interior effects of air pressure.
By pressing latex block（7）, can conveniently exclude pipeline（12）In bubble.Open latex block（7）Can dosing.
The only liquid precision liquid medicine filter membrane（10）Structure is as shown in figure 3, by cylinder stent（101）, only liquid coarse filtration film
（102）, only liquid essence filter membrane（103）Constitute, cylinder stent（101）Upper end be provided with the first rank boss, on the first rank boss glue
Knot stops liquid coarse filtration film（102）, cylinder stent（101）Lower end be provided with second-order boss, on second-order boss bonding stop liquid essence
Filter membrane（103）.The internal diameter of second-order boss is less than the first rank boss internal diameter, and during assembling, first assembling stops liquid essence filter membrane
（103）, then assemble only liquid coarse filtration film（102）.The only liquid coarse filtration film（102）It is that thickness is 1mm, 5-8 μm of filter opening aperture
SiO 2-ceramic film, the only liquid essence filter membrane（103）SiO 2-ceramic film with 2-3 μm of filter opening aperture is as base
Film, first deposits cationic polyelectrolyte layer on basement membrane, and supermolecule polymer layer is then deposited on cationic polyelectrolyte layer,
Cationic polyelectrolyte layer and supermolecule polymer layer alternating deposit are multiple, such as 4 layers, 6 layers, 8 layers.The number of plies is more, filter opening aperture
It is less, it is combined membrane aperture and is less than 1.5 μm, filtering accuracy is higher, and only liquid effect is better.
In the present invention, when liquid declines liquid coarse filtration film to end（102）When, due to stopping liquid coarse filtration film（102）Filter opening hole
Footpath is larger, although can play necessarily only liquid effect, but it cannot be guaranteed that all filter openings can be closed because of capillary force, minority filter
Hole still can breathe freely.Such characteristic is had been proven that through test, only liquid coarse filtration film（102）The only venting capability after liquid, can
According to only liquid coarse filtration film（102）Thickness and the big minor mode of filter opening.Here through experimental selection thickness be 1mm, filter opening aperture 5-8
μm.Only liquid essence filter membrane（103）The particle of more than 1.5 μm sizes is may filter that, its filter opening is little, capillary force is strong, when the only thick mistake of liquid
Filter membrane（102）Only after liquid, only liquid coarse filtration film（102）Only liquid essence filter membrane（103）Between liquid still can be thick because stopping liquid
Filter membrane（102）Breathe freely and slowly flow, liquid level progressively declines, miniflow injection can prevent blood coagulation at intravenous infusion needle, due to stream
Dynamic slow, generally enough nurses are processed during this.If do not processed, when liquid level declines liquid essence filter membrane to end
（103）After can thoroughly dam.
Claims (4)
1. it is a kind of heat can be vented stop liquid precision filter infusion set, including protective sleeve for bottle stopper puncture outfit without adjacent benzene（1）, bottle stopper
Puncture outfit（2）, air inlet pipe（3）, air cleaner（4）, dropper（5）, air inlet seat（6）, latex block（7）, cover on dropping funnel（8）、
Dropping funnel（9）, only liquid precision liquid medicine filter membrane（10）, dropping funnel lower cover（11）, pipeline（12）, flow regulator（13）, cylindrical tapered joint
Head（14）, outer cone joint protective sleeve（15）；The dropping funnel（9）Upper end is provided with dropping funnel and covers（8）, cover on dropping funnel（8）In be provided with
Feed tube, feed tube connection dropper（5）, dropper（5）Connection bottle plug puncture unit（2）, the bottle plug puncture unit（2）Inside set three to connect
Mouthful, one of interface connects dropper（5）, second interface connection cutting tip, the 3rd interface connect air inlet pipe（3）, air inlet
Pipe（3）Inlet end arrange air cleaner（4）, the bottle plug puncture unit（2）Cutting tip be cased with protective sleeve for bottle stopper puncture outfit
（1）；Cover on the dropping funnel（8）It is provided with air inlet pipe（16）And chemical feed pipe, latex block is installed on chemical feed pipe（7）, pacify in air inlet pipe
Dress air inlet seat（6）；It is characterized in that：The dropping funnel（9）Interior installation PTC-ceramic fever tablet（20）, the dropping funnel（9）Bottom is arranged
Only liquid precision liquid medicine filter membrane（10）, the dropping funnel（9）The installation dropping funnel lower cover of lower end（11）, dropping funnel lower cover（11）Liquid outlet
Connecting line（12）, pipeline（12）Connect cylindrical taper joint（14）, the cylindrical taper joint（14）It is provided with outer cone joint protective
Set（15）, pipeline（12）Upper installation flow regulator（13）.
2. it is according to claim 1 heat can be vented stop liquid precision filter infusion set without adjacent benzene, it is characterised in that：Institute
State and covered on dropping funnel（8）Heating plate rack is installed（21）, generate heat plate rack（21）Go deep into dropping funnel（9）Interior, generate heat plate rack（21）'s
PTC-ceramic fever tablet is fixed in lower end（20）, PTC-ceramic fever tablet（20）Connect electric lead be located at heating plate rack（21）It is interior and connect
Connect and covered on dropping funnel（8）Outside plug-in type connection terminal（22）, generate heat plate rack（21）Using hard plastic charge bar, wire is inside set；Insert
Pull out formula binding post（22）It is fixed on dropping funnel and covers（8）Outer surface.
3. it is according to claim 1 heat can be vented stop liquid precision filter infusion set without adjacent benzene, it is characterised in that：Institute
The only liquid precision liquid medicine filter membrane（10）By cylinder stent（101）, only liquid coarse filtration film（102）, only liquid essence filter membrane（103）
Constitute, cylinder stent（101）Upper end be provided with the first rank boss, on the first rank boss bonding stop liquid coarse filtration film（102）, cylinder
Support（101）Lower end be provided with second-order boss, on second-order boss bonding stop liquid essence filter membrane（103）；Second-order boss
Internal diameter is less than the first rank boss internal diameter, and during assembling, first assembling stops liquid essence filter membrane（103）, then assemble only liquid coarse filtration film
（102）；The only liquid coarse filtration film（102）It is that thickness is 1mm, the SiO 2-ceramic film in 5-8 μm of filter opening aperture is described to stop
Liquid essence filter membrane（103）SiO 2-ceramic film with 2-3 μm of filter opening aperture deposits cation and gathers as basement membrane, first on basement membrane
Dielectric substrate, then deposits supermolecule polymer layer, cationic polyelectrolyte layer and supermolecule on cationic polyelectrolyte layer
Polymeric layer alternating deposit is multiple.
4. it is according to claim 1 heat can be vented stop liquid precision filter infusion set without adjacent benzene, it is characterised in that：Enter
Tracheae（16）The outer wall of lower end is provided with a circle bulge loop（161）, waterproof ventilated membrane（17）By becket（18）It is fixed, becket
（18）Inside set groove, waterproof ventilated membrane（17）Surrounding is clamped in groove, or, becket（18）By two panels annular sheet metal
Constitute, waterproof ventilated membrane is clamped by two panels annular sheet metal（17）, becket（18）Installed in the rubber protecting jacket of annular
（19）Base in, rubber protecting jacket（19）Chassis outer side extend upward rubber protecting jacket wall extension（191）, rubber protection
Set wall extension（191）Internal diameter compare air inlet pipe（16）External diameter is slightly smaller, rubber protecting jacket wall extension（191）It is provided with and air inlet pipe（16）
Bulge loop（161）The deep-slotted chip breaker of cooperation, rubber protecting jacket wall extension（191）It is enclosed within air inlet pipe（16）Outward, rubber protecting jacket（19）
Base be against air inlet pipe（16）Lower end, by rubber protecting jacket（19）Rubber protecting jacket wall extension（191）With air inlet pipe
（16）Coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023310.0A CN106581808B (en) | 2016-11-21 | 2016-11-21 | Can heat can be vented stop liquid precision filter infusion set without adjacent benzene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023310.0A CN106581808B (en) | 2016-11-21 | 2016-11-21 | Can heat can be vented stop liquid precision filter infusion set without adjacent benzene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106581808A true CN106581808A (en) | 2017-04-26 |
| CN106581808B CN106581808B (en) | 2019-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611023310.0A Expired - Fee Related CN106581808B (en) | 2016-11-21 | 2016-11-21 | Can heat can be vented stop liquid precision filter infusion set without adjacent benzene |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643770A (en) * | 2020-06-24 | 2020-09-11 | 陆明京 | Infusion equipment with heat preservation leak protection gas effect |
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2016
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| CN2400126Y (en) * | 1999-12-28 | 2000-10-11 | 宋振林 | Heating thermostat for venous transfusion |
| CN201227456Y (en) * | 2008-06-30 | 2009-04-29 | 刘明霞 | Transfusion device |
| CN201862059U (en) * | 2010-06-22 | 2011-06-15 | 王育蓉 | Medical used transfusion apparatus |
| CN201880112U (en) * | 2010-12-24 | 2011-06-29 | 江西洪达医疗器械集团有限公司 | Automatic gas-discharging and liquid-stopping precision infusion set |
| CN204275155U (en) * | 2014-11-26 | 2015-04-22 | 天津德瑞迪科技有限公司 | A kind of disposable transfusion device with heating function |
| CN204379887U (en) * | 2014-12-30 | 2015-06-10 | 北京伏尔特技术有限公司 | A kind of automatic vent automatic liquid-stopping dropping funnel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643770A (en) * | 2020-06-24 | 2020-09-11 | 陆明京 | Infusion equipment with heat preservation leak protection gas effect |
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| Publication number | Publication date |
|---|---|
| CN106581808B (en) | 2019-05-28 |
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Inventor after: Liu Yan Inventor after: Li Ying Inventor after: Wu Bin Inventor before: Wu Bin |
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Effective date of registration: 20190506 Address after: No. 45 Huashan Road Brain Hospital, Liaocheng Economic Development Zone, Shandong Province Applicant after: Liu Yan Applicant after: Li Ying Address before: 330001 No. 138, Nan Lian Road, Qingyun District, Nanchang, Jiangxi Applicant before: Wu Bin |
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