CN106581808B - Can heat can be vented stop liquid precision filter infusion set without adjacent benzene - Google Patents
Can heat can be vented stop liquid precision filter infusion set without adjacent benzene Download PDFInfo
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- CN106581808B CN106581808B CN201611023310.0A CN201611023310A CN106581808B CN 106581808 B CN106581808 B CN 106581808B CN 201611023310 A CN201611023310 A CN 201611023310A CN 106581808 B CN106581808 B CN 106581808B
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- dropping funnel
- liquid
- air inlet
- inlet pipe
- membrane
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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
-
- 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 present invention provides one kind can heat can be vented stop liquid precision filter infusion set without adjacent benzene; it is characterized by: installing PTC ceramics fever tablet in the dropping funnel; the dropping funnel lower part setting 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; piping connection outer circle taper joint, the outer circle taper joint are equipped with outer cone joint protective sleeve, install flow regulator on pipeline.The present invention directly heats medical fluid using PTC ceramics fever tablet in dropping funnel, without special temperature control system, it is small in size, and bubble can be intercepted by stopping liquid precision liquid medicine filter membrane after heating, fast with the rate of filtration, heating speed is fast, can exclude air, and it does not influence infusion rate and accurately controls, and can anticoagulative feature.
Description
Technical field
The present invention relates to a kind of infusion apparatuses more particularly to one kind to heat, exhaust, automatic liquid-stopping accurate mistake simultaneously automatically
The infusion apparatus that filter medical fluid does not again injure human body, belongs to medical instruments field.
Background technique
Currently, disposable infusion set is the medical apparatus of clinical transfusion indispensability, generally successively include from top to bottom
Puncture outfit, perfusion tube, drip tube, flow regulator, female Luer, transfusion needle.Though this infusion apparatus structure is simple, it is being infused
If transfusion needle is extracted not in time at the end of or carries out changing bottle operation in time, and air will enter infusion pipeline and form bubble, bubble
It will cause vein blood back into patient's body, or even lead to serious medical accident.This requires medical staff's repeat runs in-motion viewings to examine,
Virtually increase the stress and work difficulty of patient, entourage and medical staff.
Moreover, with the development of science and technology, people cognition promotion, gradually recognize in infusion process have particle presence,
And harm cannot be generated by body metabolism.Because the intracorporal capillary diameter of people averagely only has 7um~9um, the smallest to be
4um.If patient is often infused, diameter is more than that the particle of 4um will be accumulated in the heart, liver, lung, brain, kidney, muscle, skin in medical fluid
In the capillaries such as skin, biggish particle can directly contribute capillary embolism, cause local blood supply insufficiency, histanoxia and lead
It causes oedema and inflammation, lesser particle that may be eaten by macrophage, macrophage is caused to increase, form granuloma.These become
Change can occur in body tissue, especially lungs.
In addition, particle can also directly cause exothermic reaction.At present in infusion process, infusion reaction happens occasionally, except thin
Outside bacterium pollution reaction, pyrogen reaction, the pollution reaction of particle caused by particulate matter is also increasingly valued by people.
Since the temperature of the medical fluid in infusion apparatus is lower, human body, can be because ice-cold medical fluid be generated not in infusion process
Suitable feeling, especially in cold winter, along with some medical fluids drop speed is very fast, patient can generate serious sense of discomfort, no
Absorption conducive to body to medical fluid affects the effect of infusion treatment.Existing infusion apparatus generally sets heating mantle using outside
Mode heats, and this heating method heating speed is slow, and generates bubble in heating process and cannot exclude, and infusion apparatus volume
Greatly, too fat to move.
Summary of the invention
The purpose of the present invention is to provide one kind can heat can be vented stop liquid precision filter infusion set without adjacent benzene, filter
Speed is fast, and heating speed is fast, can exclude air, and does not influence infusion rate and accurately control, and can anti-hemostasis-coagulation.
To achieve the above object, present invention employs following technical proposals.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 filter, dropper, air inlet seat,
Latex nut cap, dropping funnel upper cover, dropping funnel, only liquid precision liquid medicine filter membrane, dropping funnel lower cover, pipeline, flow regulator, outer circle tapered joint
Head, outer cone joint protective sleeve；The dropping funnel upper end is equipped with dropping funnel upper cover, and inlet tube, inlet tube connection are equipped in dropping funnel upper cover
Dropper, dropper connect bottle plug puncture unit, set three-way interface in the bottle plug puncture unit, and one of interface connects dropper, and second
A interface connection cutting tip, third interface connect air inlet pipe, and air filter is arranged in the inlet end of air inlet pipe, and the bottle stopper is worn
The cutting tip of thorn device is cased with protective sleeve for bottle stopper puncture outfit；The dropping funnel upper cover is equipped with dropping funnel air inlet pipe and chemical feed pipe, on chemical feed pipe
Latex nut cap is installed, air inlet seat is installed in dropping funnel air inlet pipe；It is characterized by: installing PTC ceramics fever tablet, institute in the dropping funnel
It states the setting of dropping funnel lower part and stops liquid precision liquid medicine filter membrane, the installation dropping funnel lower cover of the dropping funnel lower end, the liquid outlet of dropping funnel lower cover
Connecting line, piping connection outer circle taper joint, the outer circle taper joint are equipped with outer cone joint protective sleeve, install flow on pipeline
Adjuster.
Preferably, the dropping funnel upper cover installation fever plate rack, fever plate rack go deep into dropping funnel, fever tablet branch
The electric lead that connects of the fixed PTC ceramics fever tablet in the lower end of frame, PTC ceramics fever tablet is located in fever plate rack and connects on dropping funnel
Plug-in type connection terminal outside lid, fever plate rack use hard plastic charge bar, inside set conducting wire；Plug-in type connection terminal is fixed on drop
Exterior surface on bucket.
It is further improved, the only liquid precision liquid medicine filter membrane is by cylinder stent, only liquid coarse filtration film, only liquid essence filter membrane
It constitutes, the upper end of cylinder stent is equipped with the first rank boss, and bonding stops liquid coarse filtration film, the lower end of cylinder stent on the first rank boss
Equipped with second-order boss, 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
Small, when assembling, first assembling stops liquid essence filter membrane, then assembles only liquid coarse filtration film；It is described only liquid coarse filtration film be with a thickness of 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 are multiple.
It is further improved, the outer wall of dropping funnel air inlet pipe lower end is equipped with a circle bulge loop, and waterproof ventilated membrane is solid by becket
It is fixed, groove is set in becket, waterproof ventilated membrane surrounding is clamped in groove, alternatively, becket is by two panels annular sheet metal structure
At by two panels annular sheet metal clamping waterproof ventilated membrane, becket is mounted in the pedestal of the rubber protecting jacket of annular, rubber
The chassis outer side of glue protective case extends upward rubber protecting jacket wall extension, the internal diameter of rubber protecting jacket wall extension than dropping funnel into
Tracheae outer diameter is slightly smaller, and rubber protecting jacket wall extension is equipped with the arc groove cooperated with the bulge loop of dropping funnel air inlet pipe, and rubber protecting jacket prolongs
It stretches wall to cover outside dropping funnel air inlet pipe, the pedestal of rubber protecting jacket is against dropping funnel air inlet pipe lower end, passes through the rubber of rubber protecting jacket
Protective case wall extension and dropping funnel air inlet pipe cooperate.
The waterproof and breathable net of dropping funnel air inlet pipe of the invention is easy for installation, and good reliability will not be blocked because of viscose glue.This hair
Bright only liquid precision liquid medicine filter membrane uses thickness two film construction, and empty profit capillary force characteristic not only realizes only liquid, also logical
Crossing this simple mode realizes miniflow infusion, and anti-hemostasis-coagulation realizes that structure, this mode add compared to other miniflows
Work technique is more simple.The present invention directly installs heating device in dropping funnel, and heating speed is fast, and is generated heat using PTC ceramics
Piece heating, PTC ceramics fever tablet has the characteristics that automatic constant-temperature, does not need temperature control system, and PTC ceramics fever tablet is straight
Electricity is connected, so without control, as long as PTC ceramics fever tablet of the selection heating temperature within 36 DEG C.Plug-in
Connecting terminal is fixed on exterior surface on dropping funnel, connects electricity by plug-in type connection terminal, small in size, connects electricity conveniently, can use
Mobile phone charging wire connects electricity, is powered using charger baby.
Detailed description of the invention
Fig. 1 is the schematic diagram for separating air admission type and stopping liquid precision filter infusion set without adjacent benzene.
Fig. 2 is waterproof ventilated membrane scheme of installation in dropping funnel 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 filter 5- dropper 6- air inlet seat
7- latex nut cap 8- dropping funnel upper cover 9- dropping funnel 10- stops liquid precision liquid medicine filter membrane 11- dropping funnel lower cover 12- pipeline 13- stream
Measure adjuster 14- outer circle taper joint 15- outer cone joint protective sleeve 16- dropping funnel air inlet pipe 17- waterproof ventilated membrane 18- gold
Belong to ring 19- rubber protecting jacket 20-PTC ceramic heating plate 21- fever plate rack 22- plug-in type connection terminal.
Specific embodiment
The technical solution in the present invention specifically, clearly and completely describe below in conjunction with drawings and examples.
Embodiment 1
Referring 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 unit (2), air inlet pipe (3), air filter (4), dropper (5), air inlet seat (6), latex nut cap (7), dropping funnel
Upper cover (8), dropping funnel (9), only liquid precision liquid medicine filter membrane (10), dropping funnel lower cover (11), pipeline (12), flow regulator (13),
Outer circle taper joint (14), outer cone joint protective sleeve (15), PTC ceramics fever tablet (20), fever plate rack (21), plug-in
Connecting terminal (22).Dropping funnel (9) upper end is equipped with dropping funnel upper cover (8), and inlet tube is equipped in dropping funnel upper cover (8), and inlet tube connects
It connects dropper (5), dropper (5) connects bottle plug puncture unit (2), sets three-way interface, one of interface in the bottle plug puncture unit (2)
It connects dropper (5), second interface connection cutting tip, third interface connection air inlet pipe (3), the inlet end of air inlet pipe (3) are set
It empties air filter (4), the cutting tip of the bottle plug puncture unit (2) is cased with protective sleeve for bottle stopper puncture outfit (1).On the dropping funnel
It covers (8) and is equipped with dropping funnel air inlet pipe (16) and chemical feed pipe, latex nut cap (7) are installed on chemical feed pipe, air inlet is installed in dropping funnel air inlet pipe
Seat (6), the lower end of dropping funnel air inlet pipe are protruded into dropping funnel (9) and lower than feed liquor nozzle.The dropping funnel upper cover (8) installs fever tablet branch
Frame (21), fever plate rack (21) are goed deep into dropping funnel (9), the fixed PTC ceramics fever tablet in the lower end of fever plate rack (21)
(20), the electric lead that connects of PTC ceramics fever tablet (20) is located in fever plate rack (21) and connects dropping funnel upper cover (8) outside
Plug-in type connection terminal (22), fever plate rack (21) can use hard plastic charge bar, inside set conducting wire；Plug-in type connection terminal
(22) it is fixed on dropping funnel upper cover (8) outer surface, it is small in size using plug-in type connection terminal (22), it connects electricity conveniently, can use
Charger baby, cellular phone power supplies heating；PTC ceramics fever tablet (20) has the characteristics that automatic constant-temperature, does not need temperature control system,
By PTC ceramics fever tablet (20) direct-electrifying, so without control, as long as selection heating temperature is within 36 DEG C
PTC ceramics fever tablet (20).Dropping funnel (9) the lower part setting stops liquid precision liquid medicine filter membrane (10), the dropping funnel (9)
The installation dropping funnel lower cover (11) of lower end, the liquid outlet connecting line (12) of dropping funnel lower cover (11), pipeline (12) connect outer circle tapered joint
Head (14), the outer circle taper joint (14) are equipped with outer cone joint protective sleeve (15), and pipeline installs flow regulator on (12)
(13).In the present invention, medical fluid is heated in dropping funnel (9), then again by stopping liquid precision liquid medicine filter membrane (10) filtering, only liquid is smart
Close liquid medicine filtering membrane (10) can filter interception bubble, and bubble will not enter in human body.
The dropper (5), dropping funnel (9), pipeline (12) are all made of primary raw material and are made of polyvinyl chloride, with tri trimellitate
Monooctyl ester TOTM is plasticizer, and using ethylene oxide sterilizing, product is sterile, apyrogeneity, for clinical disposable.
Referring to Fig. 2, medical fluid enters dropping funnel air inlet pipe (16) in order to prevent, needs to install in dropping funnel air inlet pipe (16) lower end anti-
Water ventilated membrane (17), more general waterproof ventilated membrane (17) installation method are that waterproof ventilated membrane (17) are pasted by glue
In dropping funnel air inlet pipe (16) lower end.But because dropping funnel air inlet pipe (16) are small, also area is small for waterproof ventilated membrane (17), slightly not small
The heart will drip glue in waterproof ventilated membrane (17), cause waterproof ventilated membrane (17) gas permeability impacted, when serious, Wu Fajin
Gas.Therefore, the present embodiment is devised with flowering structure: the outer wall of dropping funnel air inlet pipe (16) lower end is equipped with circle bulge loop (161),
Waterproof ventilated membrane (17) is fixed by becket (18), sets groove in becket (18), waterproof ventilated membrane (17) surrounding is clamped in
In groove, alternatively, becket (18) is made of two panels annular sheet metal, it is saturating to clamp waterproof by two panels annular sheet metal
Air film (17), becket (18) is mounted in the pedestal of the rubber protecting jacket (19) of annular, outside the pedestal of rubber protecting jacket (19)
Side extends upward rubber protecting jacket wall extension (191), and the internal diameter of rubber protecting jacket wall extension (191) is than dropping funnel air inlet pipe
(16) outer diameter is slightly smaller, and rubber protecting jacket wall extension (191) is equipped with the arc cooperated with the bulge loop (161) of dropping funnel air inlet pipe (16)
Slot, rubber protecting jacket wall extension (191) cover dropping funnel air inlet pipe (16) outside, the pedestal of rubber protecting jacket (19) be against dropping funnel into
Tracheae (16) lower end is cooperated by the rubber protecting jacket wall extension (191) of rubber protecting jacket (19) and dropping funnel air inlet pipe (16),
It is easy for installation, and be completely embedded waterproof.In addition, becket (18) plays the role of bracket, waterproof ventilated membrane (17) is protected no
Deformation.
In use, outer circle taper joint (14) connecting intravenous infusion needle.In the present invention, dropping funnel (9) is directly transformed into filtering
Device makes it have filtering and air intake-exhaust function, and 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 flow into the medical fluid of infusion bottle can smoothly in dropping funnel (9), not by dropping funnel (9) interior effects of air pressure.
By pressing latex nut cap (7), the bubble excluded in pipeline (12) can be facilitated.Opening latex nut cap (7) can dosing.
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), stop liquid essence filter membrane (103) to constitute, the upper end of cylinder stent (101) is equipped with the first rank boss, glues on the first rank boss
Knot stops liquid coarse filtration film (102), and the lower end of cylinder stent (101) is equipped with second-order boss, and bonding stops liquid essence on second-order boss
Filter membrane (103).The internal diameter of second-order boss is smaller than the first rank boss internal diameter, and when assembling, first assembling stops liquid essence filter membrane
(103), only liquid coarse filtration film (102) are assembled then.The only liquid coarse filtration film (102) is with a thickness of 1mm, 5-8 μm of filter opening aperture
SiO 2-ceramic film, the only liquid essence filter membrane (103) is using the SiO 2-ceramic film in 2-3 μm of filter opening aperture 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, and such as 4 layers, 6 layers, 8 layers.The number of plies is more, filter opening aperture
Smaller, for compound membrane aperture less than 1.5 μm, filtering accuracy is higher, and only liquid effect is better.
In the present invention, when medical fluid declines liquid coarse filtration film (102) to end, due to stopping liquid coarse filtration film (102) filter opening hole
Diameter is larger, centainly stops liquid effect although can play, 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 overtesting, and only liquid coarse filtration film (102) stops the venting capability after liquid, can
According to only liquid coarse filtration film (102) thickness and the big minor mode of filter opening.Here by experimental selection with a thickness of 1mm, filter opening aperture 5-8
μm.Only liquid essence filter membrane (103) may filter that the particle of 1.5 μm or more sizes, and filter opening is small, and capillary force is strong, when the only thick mistake of liquid
After filter membrane (102) stops liquid, only liquid coarse filtration film (102) the and only medical fluid between liquid essence filter membrane (103) still can be thick because stopping liquid
Filter membrane (102) is ventilative and slowly flows, and liquid level gradually declines, miniflow injection, blood coagulation at intravenous infusion needle can be prevented, due to stream
It is dynamic slow, enough nurse's processing during this under normal circumstances.If do not handled, when liquid level declines liquid essence filter membrane to end
(103) can thoroughly shut off after.
Claims (3)
1. one kind can heat can be vented stop liquid precision filter infusion set, including protective sleeve for bottle stopper puncture outfit (1), bottle stopper without adjacent benzene
Puncture outfit (2), air inlet pipe (3), air filter (4), dropper (5), air inlet seat (6), latex nut cap (7), dropping funnel upper cover (8),
Dropping funnel (9), only liquid precision liquid medicine filter membrane (10), dropping funnel lower cover (11), pipeline (12), flow regulator (13), outer circle tapered joint
Head (14), outer cone joint protective sleeve (15)；Dropping funnel (9) upper end is equipped with dropping funnel upper cover (8), and dropping funnel upper cover is equipped in (8)
Inlet tube, inlet tube connect dropper (5), and dropper (5) connects bottle plug puncture unit (2), set three in the bottle plug puncture unit (2) and connect
Mouthful, one of interface connects dropper (5), second interface connection cutting tip, third interface connection air inlet pipe (3), air inlet
Air filter (4) are arranged in the inlet end for managing (3), and the cutting tip of the bottle plug puncture unit (2) is cased with protective sleeve for bottle stopper puncture outfit
(1)；The dropping funnel upper cover (8) is equipped with dropping funnel air inlet pipe (16) and chemical feed pipe, installs latex nut cap (7) on chemical feed pipe, air inlet pipe
Upper installation air inlet seat (6), the dropping funnel (9) is interior to install PTC ceramics fever tablet (20), and dropping funnel (9) the lower part setting stops liquid essence
Close liquid medicine filtering membrane (10), the installation dropping funnel lower cover (11) of dropping funnel (9) lower end, the liquid outlet connecting tube of dropping funnel lower cover (11)
Road (12), pipeline (12) connect outer circle taper joint (14), and the outer circle taper joint (14) is equipped with outer cone joint protective sleeve (15),
Flow regulator (13) are installed on pipeline (12)；It is characterized by: the outer wall of dropping funnel air inlet pipe (16) lower end is convex equipped with a circle
Ring (161), waterproof ventilated membrane (17) is fixed by becket (18), sets groove, waterproof ventilated membrane (17) four in becket (18)
Week is clamped in groove, alternatively, becket (18) is made of two panels annular sheet metal, is clamped by two panels annular sheet metal
Waterproof ventilated membrane (17), becket (18) are mounted in the pedestal of the rubber protecting jacket (19) of annular, rubber protecting jacket (19)
Chassis outer side extends upward rubber protecting jacket wall extension (191), and the internal diameter of rubber protecting jacket wall extension (191) is than dropping funnel air inlet
Pipe (16) outer diameter is slightly smaller, and rubber protecting jacket wall extension (191) is equipped with the arc cooperated with the bulge loop (161) of dropping funnel air inlet pipe (16)
Slot, rubber protecting jacket wall extension (191) cover dropping funnel air inlet pipe (16) outside, the pedestal of rubber protecting jacket (19) is against dropping funnel air inlet
(16) lower end is managed, is cooperated by the rubber protecting jacket wall extension (191) of rubber protecting jacket (19) and dropping funnel air inlet pipe (16).
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
Dropping funnel upper cover (8) installation fever plate rack (21) is stated, fever plate rack (21) is goed deep into dropping funnel (9), fever plate rack (21)
Lower end is fixed PTC ceramics fever tablet (20), and the electric lead that connects of PTC ceramics fever tablet (20) is located in fever plate rack (21) and connects
The external plug-in type connection terminal (22) of dropping funnel upper cover (8) is connect, fever plate rack (21) uses hard plastic charge bar, inside sets conducting wire；It inserts
It pulls out formula connecting terminal (22) and is fixed on dropping funnel upper cover (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
State only liquid precision liquid medicine filter membrane (10) by cylinder stent (101), only liquid coarse filtration film (102), only liquid essence filter membrane (103) structure
At the upper end of cylinder stent (101) is equipped with the first rank boss, and bonding stops liquid coarse filtration film (102), cylinder branch on the first rank boss
The lower end of frame (101) is equipped with second-order boss, and bonding stops liquid essence filter membrane (103) on second-order boss；Second-order boss it is interior
Diameter is smaller than the first rank boss internal diameter, and when assembling, first assembling stops liquid essence filter membrane (103), then assembles only liquid coarse filtration film (102)；
The only liquid coarse filtration film (102) is with a thickness of the SiO 2-ceramic film of 1mm, 5-8 μm of filter opening aperture, the only liquid essence
Filter membrane (103) deposits the poly- electrolysis of cation using the SiO 2-ceramic film in 2-3 μm of filter opening aperture as basement membrane, first on basement membrane
Then matter layer deposits supermolecule polymer layer, cationic polyelectrolyte layer and supermolecule polymerization on cationic polyelectrolyte layer
Nitride layer alternating deposit is multiple.
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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN106581808A CN106581808A (en) | 2017-04-26 |
| CN106581808B true CN106581808B (en) | 2019-05-28 |
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| CN111643770A (en) * | 2020-06-24 | 2020-09-11 | 陆明京 | Infusion equipment with heat preservation leak protection gas effect |
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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 |
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| CN106581808A (en) | 2017-04-26 |
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