CN104587569B - A kind of Novel bubble-prevention infusion device - Google Patents

A kind of Novel bubble-prevention infusion device Download PDF

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Publication number
CN104587569B
CN104587569B CN201510062115.8A CN201510062115A CN104587569B CN 104587569 B CN104587569 B CN 104587569B CN 201510062115 A CN201510062115 A CN 201510062115A CN 104587569 B CN104587569 B CN 104587569B
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CN
China
Prior art keywords
dropping funnel
bottle plug
puncture unit
plug puncture
liquid
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Application number
CN201510062115.8A
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Chinese (zh)
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CN104587569A (en
Inventor
徐鹏
李飞
胡波
谢新强
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Sichuan Nigale Biomedical Inc
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Sichuan Nigale Biomedical Inc
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Priority to CN201510062115.8A priority Critical patent/CN104587569B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36Devices 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
    • A61M5/38Devices 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
    • A61M5/385Devices 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M2005/1401Functional features

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a kind of Novel bubble-prevention infusion device, including integral type bottle plug puncture unit, flow regulator, flexible pipe, liquid medicine filter and autoamtic venipuncture apptss, the integral type bottle plug puncture unit include dropping funnel lid, dropping funnel lid side is connected with dropping funnel body, and opposite side is provided with bottle plug puncture unit;Dropping funnel lid is internally provided with the fluid guidance port communicated with bottle plug puncture unit, is provided with dropper below fluid guidance port, filter chamber is formed between dropper and fluid guidance port, filter chamber is internally provided with only liquid filter membrane.The advantages of this programme, is:Can realize prevents bubble from entering liquid-transport pipe-line and automatic liquid-stopping function, improves the security and aseptic of infusion process, total is simple and reliable, and production cost is low.

Description

A kind of Novel bubble-prevention infusion device
Technical field
The present invention relates to a kind of technical field of disposable medical treatment consumptive materials, particularly a kind of novel gas-tight bubble transfusion Device.
Background technology
At present, disposable infusion set is mainly by bottle plug puncture unit, air cleaner, flexible pipe, dropping funnel, flow regulator Formed with liquid medicine filter and intravenous infusion needle, usual structure is that bottle plug puncture unit root air inlet connects a flexible pipe, external One air cleaner, usual one band filter screen of the structure of the double dropping funnels of connection one below puncture outfit, a band dropping funnel, thus The structure of transfusion device is set to become increasingly complex, production cost more and more higher, and infusion safety can not be ensured.
The content of the invention
In view of the foregoing, this programme proposes a kind of simple in construction durable, is easy to a transfusion device of production, concrete scheme It is as follows:
A kind of Novel bubble-prevention infusion device, including integral type bottle plug puncture unit, flow regulator, flexible pipe, liquid medicine filter And autoamtic venipuncture apptss,:The integral type bottle plug puncture unit includes dropping funnel lid, and dropping funnel lid side is connected with dropping funnel body, and opposite side is set It is equipped with bottle plug puncture unit;Dropping funnel lid is internally provided with the fluid guidance port communicated with bottle plug puncture unit, and dropper is provided with below fluid guidance port, Filter chamber is formed between dropper and fluid guidance port, filter chamber is internally provided with only liquid filter membrane.
Preferably, the dropper passes through ultrasonic bonding, bonding or click on fashion phase with the linkage section of dropping funnel lid lower end Connection.
Preferably, air inlet and the inlet chamber being connected with air inlet, air inlet are additionally provided with the dropping funnel lid Bottle plug puncture unit is connected, and dropping funnel cover outer wall position corresponding with inlet chamber sets having air switch, inlet chamber and air switch Between be provided with air filter film.
Preferably, the cross-sectional sizes of the air inlet for fluid guidance port cross-sectional sizes a quarter to half.
Preferably, the dropping funnel lid lower end setting is fluted, groove is connected with dropping funnel body phase by being bonded form.
Preferably, being additionally provided with helmet centring ring on the bottle plug puncture unit, fixed by helmet centring ring with helmet.
Preferably, the integral type bottle plug puncture unit bottom is provided with liquid outlet, pass through flexible pipe and liquid medicine filter one End is connected, and the medicine liquid controller other end is connected with autoamtic venipuncture apptss.
Preferably, the flow controller is positioned close on the flexible pipe of liquid outlet one end.
Only liquid filter membrane is a kind of extremely strong high polymer material of hydrophily used by this programme, when only liquid filter membrane runs into liquid When moment be wet, due to stopping the film hole diameter very little (5um~8um) of liquid filter membrane, caused capillarity can be very strong, So as to produce a upward gravitation to stopping the liquid under liquid filter membrane, to allow gas to be needed greatly by hydraulically full fenestra Pressure, only allow liquid by filter membrane so as to reach, and the effect that gas can not pass through, so as to prevent bubble from entering woven hose Road, to ensure infusion safety.When liquid level drops to only liquid filter membrane, the switch that only liquid filter membrane is closed equivalent to one now, The pressure that fluid column is formed in air is formed in dropping funnel body body negative pressure+human vein pressure=infusion pipeline and dropping funnel body, dropping funnel body It will not continue to decline with remaining liquid in flexible pipe, reach automatic liquid-stopping effect, the syringe needle of vein penetrator also will not be because of negative Press and blood back, infusion safety can be further ensured that.Dropping funnel outer side of lid adds having air switch, can according to circumstances adjust and keep defeated Pressure balance in liquid pipe road, while air switch is provided with air filter film with inlet chamber interface, is used in air filtering Impurity and bacterium, ensure that liquid is not contaminated.Use environment due to stopping liquid filter membrane requires higher, if dropping funnel lid side is leaked Gas, only liquid filter membrane failure can be caused, dropper passes through ultrasonic bonding, bonding or click on fashion phase with the linkage section of dropping funnel lid lower end Connection, further fixed better seal effect while stop liquid filter membrane, also functioned to, to ensure to stop the stability of liquid filter membrane. If air inlet is more than fluid guidance port, liquid can be caused to be spilt from air inlet, therefore the cross-sectional sizes of air inlet are arranged to fluid guidance port The a quarter of cross-sectional sizes is to half, to ensure that air inlet will not leakage.Bottle plug puncture unit is provided with helmet centring ring, Helmet is effectively secured, prevents from coming off in moving process, ensures the aseptic on puncture outfit head.
In summary, it is the advantages of this programme:Can realize prevents bubble from entering liquid-transport pipe-line and automatic liquid-stopping function, The security and aseptic of infusion process are improved, total is simple and reliable, and production cost is low.
Brief description of the drawings
Fig. 1 is the integrally-built schematic diagram of the embodiment of the present invention;
Fig. 2 is the structural representation of integral type bottle plug puncture unit;
Fig. 3 is the partial schematic diagram of inlet chamber and air switch;
Fig. 4 is the structural representation of dropping funnel lid and bottle plug puncture unit;
Fig. 5 is the structural representation of dropping funnel body;
Fig. 6 is the enlarged diagram at I in Fig. 1;
In figure, 1 is integral type bottle plug puncture unit, and 2 be flow regulator, and 3 be flexible pipe, and 4 be liquid medicine filter, and 41 be vein Puncture outfit, 5 be dropping funnel lid, and 6 be dropping funnel body, and 7 be bottle plug puncture unit, and 8 be helmet, and 9 be helmet centring ring, liquid filter membrane untill 10, 11 be dropper, and 12 be fluid guidance port, and 13 be air switch, and 14 be air filter film, and 15 be air inlet, and 16 be inlet chamber, and 17 be liquid Mouthful, 18 be groove, and 19 be filter chamber, and 20 be linkage section.
Embodiment
With reference to specific embodiments and the drawings, the present invention is further illustrated.
With reference to shown in figure 1, the bottom of integral type bottle plug puncture unit 1 is provided with liquid outlet 17 and flexible pipe 3 connects, and flexible pipe 3 is another End connection liquid medicine filter 4, liquid medicine filter 4 are connected with autoamtic venipuncture apptss 41 again simultaneously, and flow regulator 2 is arranged on flexible pipe 3 Close to the position of integral type bottle plug puncture unit 1.
With reference to shown in figure 2, disposable bottle plug puncture unit 1 is by dropping funnel lid 5 and dropping funnel body 6 and is arranged on dropping funnel lid 5 Bottle plug puncture unit 7 is formed, and helmet 8 is arranged on bottle plug puncture unit 7 via helmet centring ring 9, and dropping funnel lid 5 is internally provided with and bottle The fluid guidance port 12 that puncture outfit 7 connects is filled in, conduit 11 is connected by ultrasonic bonding with the linkage section 20 of dropping funnel lid 5, fluid guidance port Filter chamber 19 is formed between 12 and conduit 11, only liquid filter membrane 10 is arranged in filter chamber 19, and both ends are by the bottom of dropping funnel lid 7 and conduit 11 fix.
With reference to shown in figure 3, inlet chamber 16, the connection air inlet of the one end of inlet chamber 16 are additionally provided with disposable bottle plug puncture unit 1 Mouth 15, air inlet 15 connect with bottle plug puncture unit 7 again simultaneously, and the outer wall of dropping funnel lid 7 and 16 corresponding position of inlet chamber set and had time Air cock 13, air filter film 14 is provided between inlet chamber 16 and air switch 13.The cross-sectional sizes of air inlet 15 are fluid guidance port The a quarter of 12 cross-sectional sizes.
With reference to shown in figure 4 and Fig. 5, the groove 18 of dropping funnel lid 5 is linked together with dropping funnel body 6 by bonding form, structure Into the main part of disposable bottle plug puncture unit 1.
Fig. 6 is the partial enlarged drawing at Fig. 1 I, and helmet 8 is fixed by helmet centring ring 9 and bottle plug puncture unit 7.
The workflow of the present invention:Helmet 8 is removed, bottle plug puncture unit 7 is inserted to infusion bottle to be adapted to, vein is worn The insertion transfusion object vein of device 41 is pierced, while adjusts flow regulator 2 and carries out transfusion flow.Due to stopping the presence of liquid filter membrane 10, Air cannot be introduced into flexible pipe 3, when liquid level drops to only 10 position of liquid filter membrane, because pressure balance reason no longer declines, Realize automatic liquid-stopping.The pressure in the balance integral type of air switch 13 bottle plug puncture unit 1 can be adjusted manually in infusion process, Because the sectional area of air inlet 15 only has a quarter of the sectional area of fluid guidance port 12, therefore liquid will not be let out by air inlet 15 Dew, air filter film 14 can play a part of impurity and bacterium in air filtering, ensure infusion safety.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (6)

1. a kind of Novel bubble-prevention infusion device, including integral type bottle plug puncture unit, flow regulator, flexible pipe, liquid medicine filter and Autoamtic venipuncture apptss, it is characterised in that:The integral type bottle plug puncture unit includes dropping funnel lid, and dropping funnel lid side is connected with dropping funnel body, Opposite side is provided with bottle plug puncture unit;Dropping funnel lid is internally provided with the fluid guidance port communicated with bottle plug puncture unit, is set below fluid guidance port Dropper is equipped with, filter chamber is formed between dropper and fluid guidance port, filter chamber is internally provided with only liquid filter membrane;Also set in the dropping funnel lid It is equipped with air inlet and the inlet chamber being connected with air inlet, air inlet is connected with bottle plug puncture unit, dropping funnel cover outer wall is with entering Position corresponding to air cavity sets having air switch, and air filter film is provided between inlet chamber and air switch;The air inlet Cross-sectional sizes for fluid guidance port cross-sectional sizes a quarter to half.
A kind of 2. Novel bubble-prevention infusion device as claimed in claim 1, it is characterised in that:The dropper and dropping funnel lid lower end Linkage section is connected by ultrasonic bonding, bonding or click on fashion.
A kind of 3. Novel bubble-prevention infusion device as claimed in claim 2, it is characterised in that:The dropping funnel lid lower end is provided with recessed Groove, groove is connected with dropping funnel body phase by being bonded form.
A kind of 4. Novel bubble-prevention infusion device as claimed in claim 3, it is characterised in that:Also set up on the bottle plug puncture unit There is helmet centring ring, fixed by helmet centring ring with helmet.
A kind of 5. Novel bubble-prevention infusion device as claimed in claim 4, it is characterised in that:The integral type bottle plug puncture unit bottom Portion is provided with liquid outlet, is connected by flexible pipe with liquid medicine filter one end, the medicine liquid controller other end and autoamtic venipuncture apptss phase Connection.
A kind of 6. Novel bubble-prevention infusion device as claimed in claim 5, it is characterised in that:The flow controller, which is arranged on, to be leaned on On the flexible pipe of nearly liquid outlet one end.
CN201510062115.8A 2015-02-06 2015-02-06 A kind of Novel bubble-prevention infusion device Active CN104587569B (en)

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Application Number Priority Date Filing Date Title
CN201510062115.8A CN104587569B (en) 2015-02-06 2015-02-06 A kind of Novel bubble-prevention infusion device

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CN104587569B true CN104587569B (en) 2018-02-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105288773A (en) * 2015-10-30 2016-02-03 刘青山 Infusion apparatus low in contamination and easy to operate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2619651Y (en) * 2003-06-02 2004-06-09 王惠武 Disposable self-destroying transfusion system
CN104138628A (en) * 2013-05-22 2014-11-12 山东威高集团医用高分子制品股份有限公司 Automatic liquid-stopping dripping funnel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201798965U (en) * 2010-09-28 2011-04-20 柯丽红 Venous transfusion device capable of automatic exhaust
CN203577032U (en) * 2013-10-08 2014-05-07 成都市新津事丰医疗器械有限公司 Automatic liquid stopping precise filter bag type infusion set
CN204543147U (en) * 2015-02-06 2015-08-12 四川南格尔生物科技有限公司 A kind of Novel bubble-prevention infusion device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2619651Y (en) * 2003-06-02 2004-06-09 王惠武 Disposable self-destroying transfusion system
CN104138628A (en) * 2013-05-22 2014-11-12 山东威高集团医用高分子制品股份有限公司 Automatic liquid-stopping dripping funnel

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