CN104758998A - Exhaust and liquid stopping infusion apparatus - Google Patents
Exhaust and liquid stopping infusion apparatus Download PDFInfo
- Publication number
- CN104758998A CN104758998A CN201510190517.6A CN201510190517A CN104758998A CN 104758998 A CN104758998 A CN 104758998A CN 201510190517 A CN201510190517 A CN 201510190517A CN 104758998 A CN104758998 A CN 104758998A
- Authority
- CN
- China
- Prior art keywords
- dropping funnel
- drip chamber
- exhaust
- exhaustor
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- A61M5/14—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
- A61M5/36—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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
- A61M2005/1652—Filter with duct, e.g. filtering element incorporated in a flow line, tube, duct
-
- 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
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
- A61M2005/1657—Filter with membrane, e.g. membrane, flat sheet type infusion filter
-
- 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
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7536—General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
Landscapes
- 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 belongs to the field of medical instruments, and particularly relates to an exhaust and liquid stopping infusion apparatus. The exhaust and liquid stopping infusion apparatus comprises a drip chamber. An exhaust device and a liquid stopping device are arranged in the drip chamber. The exhaust device comprises an exhaust tube and a hydrophobic air filtering medium, wherein the exhaust tube is arranged at the bottom of the drip chamber and communicates an inner cavity of the drip chamber with the external atmosphere, the air filtering medium is fixed to and matched with the end face, on the inner cavity of the drip chamber, of the exhaust tube, and the upper surface of the air filtering medium is a cambered surface protruding towards the inner cavity of the drip chamber in the axial direction of the exhaust tube. The liquid stopping device is an air blocking and water permeating component which is arranged at the lower portion of the inner cavity of the drip chamber and divides the inner cavity of the drip chamber into an upper portion and a lower portion. The exhaust and liquid stopping infusion apparatus is simple and reasonable in structure, the drip chamber does not need to be arranged reversely or squeezed when the exhaust and liquid stopping infusion apparatus is in use, operation is convenient, air inside the drip chamber can be smoothly exhausted through the air filtering medium and the exhaust tube, and the liquid level height inside the drip chamber is kept during infusion; the filtering effect of the air blocking and water permeating component in the liquid stopping device is obvious, and the liquid stopping performance is reliable; the whole infusion apparatus is safe and convenient to use and rapid and reliable.
Description
Technical field
The present invention relates to a kind of aerofluxus and stop liquid transfusion device, belong to medical instruments field.
Background technology
Transfusion is widely used Therapeutic Method in clinical treatment, and safety is the indispensable essential condition of transfusion.
When general infusion set herb liquid starts to enter dropping funnel, very easily form the mixture of gas and liquid, this gas-liquid mixture can enter rapidly in the infusion pipeline below dropping funnel, form bubble phenomenon during transfusion, the healthy of patient is threatened, so medical personnel are when infusing, infuse again after the bubble in transfusion catheter must being discharged completely.The method of usual employing is, after bottle plug puncture unit is thrust transfusion bottle stopper, be inverted or extruding dropping funnel, make medicinal liquid enter in dropping funnel, when rapid again after the liquid about being filled with half in dropping funnel, dropping funnel is returned to normal operating condition, nonetheless, tube wall below dropping funnel also often adsorbs bubble, also need medical personnel to pinch bubble with finger bullet, this kind of operational approach is comparatively loaded down with trivial details, brings great inconvenience to medical personnel.
After medicinal liquid is totally lost, if do not process in time, will air be entered in pipeline, and can threaten to the healthy of patient equally.For avoiding this kind of situation, during usual clinical transfusion, patient and medical personnel's moment is needed to close injecting medical liquid surplus, occupy very large energy, also larger mental pressure is caused to patient simultaneously, when medicinal liquid residue of being everlasting is more, just call medical personnel, easily cause doctor-patient relationship contradiction, be unfavorable for the carrying out of Rehabilitation and normal medical and nursing work.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: provide a kind of structure simple, the air in dropping funnel can be discharged smoothly and automatic liquid-stopping, aerofluxus safe and convenient to use stop liquid transfusion device.
Aerofluxus of the present invention stops liquid transfusion device, comprise dropping funnel, exhaust apparatus is set in dropping funnel and stops liquid device, exhaust apparatus comprises and to be arranged on bottom dropping funnel and to be communicated with the exhaustor of dropping funnel inner chamber and ambient atmosphere and hydrophobic air filtration media, air filtration media to be fixed on end face that exhaustor is positioned at dropping funnel intracavity and suitable with the above-mentioned end face of exhaustor, the upper surface of air filtration media is along the convex cambered surface to cavity direction in dropping funnel of exhaustor axial direction, only liquid device be arranged on dropping funnel inner chamber bottom and dropping funnel inner chamber is divided into the permeable parts of upper and lower two-part choke.
Wherein, the end face that exhaustor is positioned at dropping funnel inner chamber can be one along the convex cambered surface to dropping funnel inner chamber of exhaustor axial direction or the cambered surface reverse with above-mentioned cambered surface, also can be a plane vertical with dropping funnel axial direction; The fixed form of air filtration media and exhaustor end face for welding, riveting, bonding or fixed by securing member; Air filtration media is hydrophobic material; The permeable parts of choke are the permeable filter membrane of choke, and its micropore size can be set to different size, to reach the effect of secondary filter medicinal liquid or common filtering liquid medicine.
When transfusion device has the requirement of secondary filter medicinal liquid, the permeable filter membrane of the choke that can play secondary filter effect that aperture can be adopted less, when transfusion device is without above-mentioned requirements, the permeable filter membrane of choke that direct employing aperture is relatively large, thus without the need to configuring liquid medicine filter in addition, realize dual-use material, provide cost savings.Certainly in order to reach the requirement of secondary filter medicinal liquid, the permeable filter membrane of the choke for the common filtration of medicinal liquid that aperture also can be adopted relatively large coordinates the version of precision liquid medicine filter.
In this transfusion device, exhaustor and air filtration media, after dropping funnel inner chamber is combined, define one along the convex cambered surface to dropping funnel inner chamber of exhaustor axial direction.When after puncture, medicinal liquid enters dropping funnel, air in dropping funnel is discharged in ambient atmosphere through air filtration media and exhaustor, when the amount of liquid medicine in dropping funnel increases to after liquid level floods air filtration media, because of the hydrophobic interaction of air filtration media, medicinal liquid cannot continue to discharge through herein, now space-closed in dropping funnel, and medicinal liquid cannot continue to enter dropping funnel, liquid level remains unchanged, and dropping funnel completes medicinal liquid and fills.
When dropping funnel fills medicinal liquid, the surface being positioned at dropping funnel inner chamber because of air filtration media is cambered surface, in relatively narrow dropping funnel space, uses the larger leaving area of less spatial placement, improves exhaust efficiency; During transfusion, when continuing to flow into dropping funnel without medicinal liquid, liquid level progressively declines, the surface contacted with medicinal liquid due to air filtration media is cambered surface, medicinal liquid cannot stop under gravity, ensure that dropping funnel again fill medicinal liquid time exhaust apparatus unimpeded, make its degassing function continuously effective.
In dropping funnel liquid level drop to only liquid device time, due to the effect of the permeable parts of choke, the air in dropping funnel cannot be descending, finally reaches only liquid function.
The beneficial effect that the present invention is compared with prior art had is:
This transfusion system structure advantages of simple, during use without the need to be inverted or extruding dropping funnel, easy to operate, the air in dropping funnel can be discharged by air filtration media and exhaustor smoothly, and keep transfusion time dropping funnel in liquid level; The filter effect of the permeable parts of choke only in liquid device is given prominence to, is stopped liquid dependable performance; Whole transfusion device is safe and convenient to use, fast reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial enlarged drawing at I position in Fig. 1.
In figure: 1, bottle plug puncture unit; 2, infusion pipeline; 3, dropping funnel; 4, air filtration media; 5, exhaustor; 6, the permeable parts of choke; 7, flow regulator; 8, cone joint; 9, venoclysis needle.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described further:
As Fig. 1, shown in 2, this aerofluxus stops liquid transfusion device and comprises bottle plug puncture unit 1, infusion pipeline 2, dropping funnel 3, flow regulator 7, cone joint 8 and venoclysis needle 9 (also can not be with venoclysis needle), exhaust apparatus is set in dropping funnel 3 and stops liquid device, exhaust apparatus comprises and to be arranged on bottom dropping funnel 3 and to be communicated with the exhaustor 5 of dropping funnel 3 inner chamber and ambient atmosphere and hydrophobic air filtration media 4, exhaustor 5 is connected with dropping funnel 3 one, air filtration media 4 to be fixed on end face that exhaustor 5 is positioned at dropping funnel 3 intracavity and suitable with the above-mentioned end face of exhaustor 5, after the two is relatively fixing, the upper surface of air filtration media 4 forms one along the convex cambered surface to cavity direction in dropping funnel 3 of exhaustor 5 axial direction, only liquid device be arranged on dropping funnel 3 inner chamber bottom and dropping funnel inner chamber is divided into the permeable parts 6 of upper and lower two-part choke, the position of the permeable parts 6 of choke is lower than air filtration media 4.
Wherein, for reaching the said structure of exhaust apparatus, the end face that exhaustor 5 is positioned at dropping funnel 3 inner chamber can be one along the convex cambered surface to dropping funnel 3 inner chamber of exhaustor 5 axial direction (namely the present embodiment adopts this version) or the cambered surface reverse with above-mentioned cambered surface, also can be a plane vertical with dropping funnel 3 axial direction; The fixed form of air filtration media 4 and exhaustor 5 end face for welding, riveting, bonding or fixed by securing member; Air filtration media 4 is the hydrophobic material that can form arc shape; The permeable parts of choke 6 are the permeable filter membrane of choke, and its micropore size can be set to different size, to reach the effect of secondary filter medicinal liquid or common filtering liquid medicine.
When transfusion device has the requirement of secondary filter medicinal liquid, the permeable filter membrane of the choke that can play secondary filter effect that aperture can be adopted less, when transfusion device is without above-mentioned requirements, the permeable filter membrane of choke that direct employing aperture is relatively large, thus without the need to configuring liquid medicine filter in addition, realize dual-use material, provide cost savings.Certainly in order to reach the requirement of secondary filter medicinal liquid, the permeable filter membrane of the choke for the common filtration of medicinal liquid that aperture also can be adopted relatively large coordinates the version of precision liquid medicine filter.
Operation principle and process:
When after puncture, medicinal liquid enters dropping funnel 3, air in dropping funnel 3 is discharged in ambient atmosphere through air filtration media 4 and exhaustor 5, when the amount of liquid medicine in dropping funnel 3 increases to after liquid level floods air filtration media 4, because of the hydrophobic interaction of air filtration media 4, medicinal liquid cannot continue to discharge through herein, now space-closed in dropping funnel 3, and medicinal liquid cannot continue to enter dropping funnel 3, liquid level remains unchanged, and dropping funnel 3 completes medicinal liquid and fills.
When dropping funnel 3 fills medicinal liquid, the surface being positioned at dropping funnel 3 inner chamber because of air filtration media 4 is cambered surface, in relatively narrow dropping funnel 3 space, uses the larger leaving area of less spatial placement, improves exhaust efficiency; During transfusion, when continuing to flow into dropping funnel 3 without medicinal liquid, liquid level progressively declines, the surface contacted with medicinal liquid due to air filtration media 4 is cambered surface, medicinal liquid cannot stop under gravity, ensure that dropping funnel 3 again fill medicinal liquid time exhaust apparatus unimpeded, make its degassing function continuously effective.
In dropping funnel 3 liquid level drop to only liquid device time, due to the effect of the permeable parts 6 of choke, air in dropping funnel 3 cannot be descending, and finally reach only liquid function, the permeable filter membrane of choke can also play the effect of secondary filter medicinal liquid or common filtering liquid medicine according to the difference of micropore size simultaneously.
Claims (6)
1. an aerofluxus stops liquid transfusion device, comprise dropping funnel (3), it is characterized in that: dropping funnel arranges exhaust apparatus in (3), exhaust apparatus comprises and is arranged on dropping funnel (3) bottom and the exhaustor (5) and the hydrophobic air filtration media (4) that are communicated with dropping funnel (3) inner chamber and ambient atmosphere, air filtration media (4) to be fixed on end face that exhaustor (5) is positioned at dropping funnel (3) intracavity and suitable with the above-mentioned end face of exhaustor (5), the upper surface of air filtration media (4) is along the convex cambered surface to dropping funnel (3) interior cavity direction of exhaustor (5) axial direction, only liquid device is for being arranged on the bottom of dropping funnel (3) inner chamber and dropping funnel (3) inner chamber being divided into the permeable parts of upper and lower two-part choke (6).
2. aerofluxus according to claim 1 stops liquid transfusion device, it is characterized in that: the end face that described exhaustor (5) is positioned at dropping funnel (3) inner chamber is along the convex cambered surface to dropping funnel (3) inner chamber of exhaustor (5) axial direction or the cambered surface reverse with above-mentioned cambered surface.
3. aerofluxus according to claim 1 stops liquid transfusion device, it is characterized in that: the end face that described exhaustor (5) is positioned at dropping funnel (3) inner chamber is the plane vertical with dropping funnel (3) axial direction.
4. stop liquid transfusion device according to the arbitrary described aerofluxus of claims 1 to 3, it is characterized in that: described air filtration media (4) and the fixed form of exhaustor (5) end face be weld, rivet, bonding or fixed by securing member.
5. stop liquid transfusion device according to the arbitrary described aerofluxus of claims 1 to 3, it is characterized in that: described air filtration media (4) is hydrophobic material.
6. stop liquid transfusion device according to the arbitrary described aerofluxus of claims 1 to 3, it is characterized in that: the permeable parts of described choke (6) are the permeable filter membrane of choke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190517.6A CN104758998A (en) | 2015-04-21 | 2015-04-21 | Exhaust and liquid stopping infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190517.6A CN104758998A (en) | 2015-04-21 | 2015-04-21 | Exhaust and liquid stopping infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104758998A true CN104758998A (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190517.6A Pending CN104758998A (en) | 2015-04-21 | 2015-04-21 | Exhaust and liquid stopping infusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104758998A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268062A (en) * | 2015-12-02 | 2016-01-27 | 玉环县安尔康橡胶有限公司 | Drip chamber of infusion apparatus |
| KR20200134647A (en) * | 2019-05-23 | 2020-12-02 | 위더스 주식회사 | Medical drip chamber |
| KR102284875B1 (en) * | 2021-04-05 | 2021-08-02 | 주식회사 켄루 | Auto drip chamber |
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| CN104436360A (en) * | 2014-12-30 | 2015-03-25 | 北京伏尔特技术有限公司 | Automatic exhaust and automatic liquid stopping dropping bucket and automatic exhaust and automatic liquid stopping method thereof |
| CN204684330U (en) * | 2015-04-21 | 2015-10-07 | 山东新华安得医疗用品有限公司 | Aerofluxus stops liquid transfusion device |
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2015
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201871039U (en) * | 2010-12-01 | 2011-06-22 | 河南曙光健士医疗器械集团有限公司 | Self-exhaust non-bubble infusion apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268062A (en) * | 2015-12-02 | 2016-01-27 | 玉环县安尔康橡胶有限公司 | Drip chamber of infusion apparatus |
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| KR20200134647A (en) * | 2019-05-23 | 2020-12-02 | 위더스 주식회사 | Medical drip chamber |
| KR102240665B1 (en) * | 2019-05-23 | 2021-04-15 | 위더스 주식회사 | Medical drip chamber |
| KR102284875B1 (en) * | 2021-04-05 | 2021-08-02 | 주식회사 켄루 | Auto drip chamber |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150708 |