CN101927044A - Intravenous infusion set capable of exhausting air automatically - Google Patents
Intravenous infusion set capable of exhausting air automatically Download PDFInfo
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- CN101927044A CN101927044A CN 201010293954 CN201010293954A CN101927044A CN 101927044 A CN101927044 A CN 101927044A CN 201010293954 CN201010293954 CN 201010293954 CN 201010293954 A CN201010293954 A CN 201010293954A CN 101927044 A CN101927044 A CN 101927044A
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Abstract
The invention discloses an intravenous infusion set capable of exhausting air automatically, which comprises a liquid inlet component, a drip chamber, a liquid outlet component and a disposable intravenous infusion needle, which are connected in turn, wherein the upper opening of the drip chamber is provided with a drip chamber cover; a drip tube extending into the drip chamber and a medicinal liquid injection piece for adding medicinal liquid are arranged on the drip chamber cover; at least one air guide cavity is formed on the upper part of the side wall of the drip chamber integrally; the bottoms of the air guide cavities are communicated with the inner cavity of the drip chamber; devices above the air guide cavities have hole covers; and breathable filter members, which can exhaust air, but not discharge liquid, are arranged between the hole covers and the air guide cavities. In the invention, due to the smart adoption of the at least one air guide cavity formed on the upper part of the side wall of the drip chamber integrally, the caliber is big enough and the radial distance is long enough for water drops to fall down and flow out to ensure the reliability of secondary air exhaust; and the same kind of material avoids shielding, and the dripping speed can be observed reliably.
Description
Technical field
The present invention relates to a kind of medical intravenous infusion set, particularly a kind of can self-bleeding intravenous transfusion device, belong to medical instruments field.
Background technology
At present, the general infusion set that medical field is commonly used constitutes by parts such as bottle plug puncture unit protective sleeve, bottle plug puncture unit, transfusion upper conduit, exhaust manifolds, air filter, last dropper, dropping funnel, flow regulator, transfusion downcomer, liquid medicine filter and disposable use venoclysis needles.When general infusion set has just begun in transfusion, medicinal liquid flows out from dropper by pipeline, enter dropping funnel, liquid is easily discharged the gas in the dropping funnel downwards the formation gas-liquid mixture and is entered down in the transfusion catheter, therefore produces bubble, simultaneously, because of the surface tension effects of transfusion catheter inwall, the inwall of transfusion catheter is a spot of bubble of absorption easily, and it is comparatively difficult, time-consuming and loaded down with trivial details to get rid of consequent bubble process, if the bubble that is produced enters in patient's body, easily cause harm such as aeroembolism.So, medical personnel are before infusing, must be artificial with the emptying as much as possible of the bubble in the catheter of transfusion system, common artificial deflated method is: after bottle plug puncture unit is inserted transfusion bottle stopper, earlier dropping funnel is hung upside down, squeeze dropping funnel with hands simultaneously, medicinal liquid is entered in the dropping funnel, treat that certain amount of fluid is full of dropping funnel after, just most bubble may be got rid of, the process of this artificial aerofluxus bubble is not only loaded down with trivial details but also time-consuming, is unfavorable for promptly infusing and giving emergency treatment to a patient.At the problems referred to above, Chinese patent CN101337098A and CN101708349A disclose respectively a kind of can self-bleeding intravenous transfusion device, both cover setting at dropping funnel can stretch into exhaustor in the dropping funnel or exhaust needle and combine with the air filtration film of the not discharge opeing of aerofluxus of device on exhaustor or exhaust needle opening and realize the automatic vent of dropping funnel, exempt the operating process that loaded down with trivial details time-consuming again artificial aerofluxus is steeped, but these two patent applications are owing to be to cover exhaustor or the exhaust needle that setting can be stretched into the dropping funnel inner chamber at dropping funnel all, because exhaustor or exhaust needle aperture are little, be subjected to the capillary effect of liquid in the dropping funnel can be stained with water droplet and stop up the mouth of pipe or pinhole aperture, influence is automatic vent for the second time, and the exhaustor that stretches in the dropping funnel is two kinds of different materials with dropping funnel, can influence the observation drip velocity like this, simultaneously, because the ring stand of fixing permeable air-locked permeable filter membrane directly is installed in the dropping funnel from the opening of dropping funnel top, ring stand is difficult to accurate location, there is the phenomenon of inclination easily, thereby cause production efficiency low, be easy to generate substandard products, the cost height, and the ring stand of fixing permeable air-locked permeable filter membrane is two kinds of different materials with dropping funnel, its coefficient of expansion is different, the space occurs between dropping funnel inwall and the ring stand, thereby influence the sealing between permeable air-locked permeable filter membrane ring stand and the dropping funnel.
Summary of the invention
The objective of the invention is at above-mentioned existing problems and deficiency, a kind of self-bleeding intravenous transfusion device that simple, easy to operate, good seal performance, aerofluxus are more thorough, use safety and reliability of making is provided.
Technical scheme of the present invention is achieved in that self-bleeding intravenous transfusion device of the present invention, comprise the feed liquor assembly that connects in regular turn, dropping funnel, fluid assembly and disposable vein entry needle, wherein said dropping funnel upper opening top cover labyrinth is equipped with the dropping funnel lid, and this dropping funnel covers and is provided with the liquid injecting piece that stretches into the dropper in the dropping funnel and be used to add medicinal liquid, described feed liquor assembly is connected with dropper top by the transfusion upper conduit, described fluid assembly is connected with the liquid outlet of dropping funnel below, the disposable vein entry needle is connected with the outlet of fluid assembly, being characterized in that described dropping funnel side wall upper part is one-body molded goes out at least one inducing QI cavity, and each inducing QI cavity bottom and dropping funnel intracavity inter-connection, this inducing QI cavity upper unit has port lid, and device has the air-permeative filter film of not discharge opeing of aerofluxus between the contact surface of port lid and inducing QI cavity.
Wherein, the position that is positioned at dropping funnel lid below on the above-mentioned dropping funnel sidewall is provided with the opening that is communicated with above-mentioned inducing QI cavity, and above-mentioned hole cover device is on this opening, and device has the air-permeative filter film of not discharge opeing of aerofluxus between the contact surface of port lid and this opening; Perhaps above-mentioned dropping funnel lid sidewall is provided with the slotted eye that is communicated with above-mentioned inducing QI cavity, and above-mentioned hole cover device is on this slotted eye, and device has the air-permeative filter film of not discharge opeing of aerofluxus between the contact surface of port lid and this slotted eye; Perhaps above-mentioned dropping funnel tops is provided with the slotted eye that is communicated with above-mentioned inducing QI cavity, and above-mentioned hole cover device is on this slotted eye, and device has the air-permeative filter film of not discharge opeing of aerofluxus between the contact surface of port lid and this slotted eye.
What the bottom of above-mentioned inducing QI cavity was positioned at dropping funnel upper opening below accounts for dropping funnel sidewall total height
～
On the dropping funnel sidewall of position.
Above-mentioned dropping funnel is the cavity of both ends open up and down, and described dropping funnel upper end open top cover labyrinth is equipped with the dropping funnel lid, and the lower ending opening top cover labyrinth is equipped with the bottom of drag-out mouth.And the bottom of above-mentioned bottom is fixed with permeable air-locked permeable filter membrane.
The present invention is owing to adopt dexterously in the one-body molded structure that goes out at least one inducing QI cavity of dropping funnel side wall upper part, not only bore can increase, and radial distance is long, the drop that helps water droplet is discharged, guaranteed deflated reliability for the second time, and can there be the problem of blocking in commaterial, and is convenient to observe reliably the speed of instillation.Because the lower end seal cover of dropping funnel is equipped with the bottom of drag-out mouth, both helped forming between the tube wall manufacturing and the processing of dual chamber, make things convenient for again and place permeable air-locked permeable filter membrane, guaranteed the sealing property of film body.The present invention also has advantages such as simple in structure, easy to manufacture, practical, that production cost is low.
The present invention is further illustrated below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is that the present invention program 1 structure is formed sketch map.
Fig. 2 is the local structure for amplifying sketch map of Fig. 1.
Fig. 3 is that the present invention program 2 structure is formed sketch map.
Fig. 4 is the local structure for amplifying sketch map of Fig. 3.
Fig. 5 is another structural representation of the present invention program 2.
Fig. 6 is the cross-sectional view of Fig. 5.
Fig. 7 is the top surface structure sketch map of Fig. 5.
Fig. 8 is another structural representation of the present invention program 2.
Fig. 9 is the cross-sectional view of Fig. 8.
Figure 10 is the top surface structure sketch map of Fig. 8.
Figure 11 is another structural representation of the present invention program 2.
Figure 12 is the cross-sectional view of Figure 11.
Figure 13 is the top surface structure sketch map of Figure 11.
Figure 14 is that the present invention program 3 structure is formed sketch map.
Figure 15 is the local structure for amplifying sketch map of Figure 14.
The specific embodiment
As Fig. 1-shown in Figure 15, self-bleeding intravenous transfusion device of the present invention, comprise the feed liquor assembly that connects in regular turn, dropping funnel 11, fluid assembly and disposable vein entry needle 17, wherein said dropping funnel 11 upper opening top cover labyrinths are equipped with dropping funnel lid 7, and this dropping funnel lid 7 is provided with dropper 10 that stretches in the dropping funnel 11 and the liquid injecting piece 6 that is used to add medicinal liquid, described feed liquor assembly is connected with dropper 10 tops by transfusion upper conduit 3, described fluid assembly is connected with the liquid outlet of dropping funnel 11 belows, disposable vein entry needle 17 is connected with the outlet of fluid assembly, described dropping funnel 11 side wall upper part are one-body molded to go out at least one inducing QI cavity 18, and each inducing QI cavity 18 bottom and dropping funnel 11 intracavity inter-connections, these inducing QI cavity 18 upper units have port lid 9, and device has the air-permeative filter film 8 of not discharge opeing of aerofluxus between the contact surface of port lid 9 and inducing QI cavity 18.Extremely shown in Figure 2 as Fig. 1, be positioned at the position that dropping funnel covers 7 belows on above-mentioned dropping funnel 11 sidewalls and be provided with the opening that is communicated with above-mentioned inducing QI cavity 18, above-mentioned port lid 9 devices are on this opening, and device has the air-permeative filter film 8 of not discharge opeing of aerofluxus between the contact surface of port lid 9 and this opening.To shown in Figure 15, above-mentioned dropping funnel covers 7 sidewalls and is provided with the slotted eye that is communicated with above-mentioned inducing QI cavity 18 as Figure 14, and above-mentioned port lid 9 installs on this slotted eye, and device has the air-permeative filter film 8 of not discharge opeing of aerofluxus between the contact surface of port lid 9 and this slotted eye.To shown in Figure 13, above-mentioned dropping funnel covers 7 tops and is provided with the slotted eye that is communicated with above-mentioned inducing QI cavity 18 as Fig. 3, and above-mentioned port lid 9 installs on this slotted eye, and device has the air-permeative filter film 8 of not discharge opeing of aerofluxus between the contact surface of port lid 9 and this slotted eye.When dropping funnel covered 7 tops and is provided with the slotted eye that is communicated with above-mentioned inducing QI cavity 18, to shown in Figure 4, being arranged on the slotted eye that dropping funnel covers 7 tops was one, accordingly, is provided with an inducing QI cavity 18 in the dropping funnel 11 and is connected with described slotted eye as Fig. 3; Perhaps as Fig. 5 to shown in Figure 7, being arranged on the slotted eye that dropping funnel covers 7 tops is two, accordingly, is provided with two inducing QI cavitys 18 in the dropping funnel 11 and is connected with described two slotted eyes; Perhaps as Fig. 8 to shown in Figure 10, being arranged on the slotted eye that dropping funnel covers 7 tops is three, accordingly, is provided with three inducing QI cavitys 18 in the dropping funnel 11 and is connected with described three slotted eyes; Perhaps as Figure 11 to shown in Figure 13, being arranged on the slotted eye that dropping funnel covers 7 tops is four, accordingly, is provided with four inducing QI cavitys 18 in the dropping funnel 11 and is connected with described four slotted eyes.And the bottom of above-mentioned inducing QI cavity 18 be positioned at dropping funnel 11 upper openings belows account for dropping funnel 11 sidewall total heights
～
On dropping funnel 11 sidewalls of position.Wherein above-mentioned dropping funnel 11 is the cavity of both ends open up and down, and described dropping funnel 11 upper end open top cover labyrinths are equipped with dropping funnel lid 7, and the lower ending opening top cover labyrinth is equipped with the bottom 13 of drag-out mouth.And the bottom of above-mentioned bottom 13 is fixed with permeable air-locked permeable filter membrane 12.And but above-mentioned port lid 9 can be arranged to have the lid of the block of folding.Wherein feed liquor assembly and fluid assembly are prior art, the multiple technologies scheme can be arranged, in the present embodiment, the feed liquor assembly comprises in regular turn the bottle plug puncture unit 2 that connects and bottle plug puncture unit protective sleeve 1, exhaust manifolds 4, air filter 5, and wherein bottle plug puncture unit 2 is connected with the upper conduit 3 of infusing; The fluid assembly comprises flow regulator 14, transfusion downcomer 15 and the catheter adapter 16 that connects in regular turn, and wherein flow regulator 14 is sleeved on the transfusion downcomer 15.
The present invention describes by embodiment, but the present invention is not construed as limiting, with reference to description of the invention, other variations of the disclosed embodiments, expect easily that as professional person such variation should belong within the claim restricted portion of the present invention for this area.
Claims (8)
1. self-bleeding intravenous transfusion device, comprise the feed liquor assembly that connects in regular turn, dropping funnel (11), fluid assembly and disposable vein entry needle (17), wherein said dropping funnel (11) upper opening top cover labyrinth is equipped with dropping funnel lid (7), and this dropping funnel lid (7) is provided with the liquid injecting piece (6) that stretches into the dropper (10) in the dropping funnel (11) and be used to add medicinal liquid, described feed liquor assembly is connected with dropper (10) top by transfusion upper conduit (3), described fluid assembly is connected with the liquid outlet of dropping funnel (11) below, disposable vein entry needle (17) is connected with the outlet of fluid assembly, it is characterized in that described dropping funnel (11) side wall upper part is one-body molded goes out at least one inducing QI cavity (18), and each inducing QI cavity (18) bottom and dropping funnel (11) intracavity inter-connection, this inducing QI cavity (18) upper unit has port lid (9), and device has the air-permeative filter film (8) of not discharge opeing of aerofluxus between the contact surface of port lid (9) and inducing QI cavity (18).
2. according to the described self-bleeding intravenous transfusion device of claim 1, it is characterized in that the position that is positioned at dropping funnel lid (7) below on above-mentioned dropping funnel (11) sidewall is provided with the opening that is communicated with above-mentioned inducing QI cavity (18), above-mentioned port lid (9) device is on this opening, and device has the air-permeative filter film (8) of not discharge opeing of aerofluxus between the contact surface of port lid (9) and this opening.
3. according to the described self-bleeding intravenous transfusion device of claim 1, it is characterized in that above-mentioned dropping funnel lid (7) sidewall is provided with the slotted eye that is communicated with above-mentioned inducing QI cavity (18), above-mentioned port lid (9) device is on this slotted eye, and device has the air-permeative filter film (8) of not discharge opeing of aerofluxus between the contact surface of port lid (9) and this slotted eye.
4. according to the described self-bleeding intravenous transfusion device of claim 1, it is characterized in that above-mentioned dropping funnel lid (7) top is provided with the slotted eye that is communicated with above-mentioned inducing QI cavity (18), above-mentioned port lid (9) device is on this slotted eye, and device has the air-permeative filter film (8) of not discharge opeing of aerofluxus between the contact surface of port lid (9) and this slotted eye.
5. according to the described self-bleeding intravenous transfusion device of claim 1, what the bottom that it is characterized in that above-mentioned inducing QI cavity (18) was positioned at dropping funnel (11) upper opening below accounts for dropping funnel (11) sidewall total height
～
On the dropping funnel of position (11) sidewall.
6. according to claim 1 or 2 or 3 or 4 or 5 described self-bleeding intravenous transfusion devices, it is characterized in that above-mentioned dropping funnel (11) is the cavity of both ends open up and down, described dropping funnel (11) upper end open top cover labyrinth is equipped with dropping funnel lid (7), and the lower ending opening top cover labyrinth is equipped with the bottom (13) of drag-out mouth.
7. according to the described self-bleeding intravenous transfusion device of claim 6, it is characterized in that the bottom of above-mentioned bottom (13) is fixed with permeable air-locked permeable filter membrane (12).
8. according to claim 1 or 2 or 3 or 4 described self-bleeding intravenous transfusion devices, it is characterized in that above-mentioned port lid (9) but can be arranged to have the lid of the block of folding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010293954 CN101927044A (en) | 2010-09-28 | 2010-09-28 | Intravenous infusion set capable of exhausting air automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010293954 CN101927044A (en) | 2010-09-28 | 2010-09-28 | Intravenous infusion set capable of exhausting air automatically |
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| Publication Number | Publication Date |
|---|---|
| CN101927044A true CN101927044A (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010293954 Pending CN101927044A (en) | 2010-09-28 | 2010-09-28 | Intravenous infusion set capable of exhausting air automatically |
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| CN (1) | CN101927044A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927043A (en) * | 2010-09-28 | 2010-12-29 | 柯丽红 | Medical intravenous infusion set |
| CN102068737A (en) * | 2011-02-09 | 2011-05-25 | 贾宇东 | Automatic exhaust half-full transfusion system liquid-filter-storage dropping bottle |
| WO2012041200A1 (en) * | 2010-09-30 | 2012-04-05 | Rong Jinghua | Air-exhaust device for backflow-preventing blood transfusion apparatus |
| CN103191499A (en) * | 2013-03-27 | 2013-07-10 | 贾宇东 | Positioning installation structure of pointed bubble stopping exhaust film in dripping bottle exhaust vent |
| CN103622820A (en) * | 2013-09-20 | 2014-03-12 | 张玉武 | Automatic preparing system for sealed type venous transfusion |
| WO2014071775A1 (en) * | 2012-11-09 | 2014-05-15 | 郑州昊能科技有限公司 | Automatic cut-off drip chamber with negative pressure conduction device |
| WO2014166156A1 (en) * | 2013-04-10 | 2014-10-16 | 中国人民解放军第四军医大学 | Quick-insertion membrane pump-type transfusion device |
| CN107206148A (en) * | 2014-12-17 | 2017-09-26 | 移动Iv系统公司 | The function instillation chamber component unrelated with orientation |
| CN107970498A (en) * | 2016-10-21 | 2018-05-01 | 上海康德莱企业发展集团股份有限公司 | It is a kind of eccentric from exhaust dropping funnel |
| CN109833537A (en) * | 2017-11-24 | 2019-06-04 | 姜娟 | A kind of infusion apparatus |
| CN110237589A (en) * | 2019-06-14 | 2019-09-17 | 江苏金塔药业有限公司 | Multi-layer filtrating equipment and filtration system |
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| CN101670134A (en) * | 2008-09-13 | 2010-03-17 | 谢世庚 | Automatic exhaust blood return prevention infusion apparatus |
| CN101791444A (en) * | 2010-03-01 | 2010-08-04 | 江西洪达医疗器械集团有限公司 | Safe bubble-free infusion set |
| CN101927043A (en) * | 2010-09-28 | 2010-12-29 | 柯丽红 | Medical intravenous infusion set |
| CN201798965U (en) * | 2010-09-28 | 2011-04-20 | 柯丽红 | Venous transfusion device capable of automatic exhaust |
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2010
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Patent Citations (5)
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| CN2082173U (en) * | 1991-01-09 | 1991-08-07 | 范小凡 | Infusion apparatus being able to filter particles and eliminate bubbles |
| CN101670134A (en) * | 2008-09-13 | 2010-03-17 | 谢世庚 | Automatic exhaust blood return prevention infusion apparatus |
| CN101791444A (en) * | 2010-03-01 | 2010-08-04 | 江西洪达医疗器械集团有限公司 | Safe bubble-free infusion set |
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| CN201798965U (en) * | 2010-09-28 | 2011-04-20 | 柯丽红 | Venous transfusion device capable of automatic exhaust |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927043A (en) * | 2010-09-28 | 2010-12-29 | 柯丽红 | Medical intravenous infusion set |
| WO2012041200A1 (en) * | 2010-09-30 | 2012-04-05 | Rong Jinghua | Air-exhaust device for backflow-preventing blood transfusion apparatus |
| CN102068737A (en) * | 2011-02-09 | 2011-05-25 | 贾宇东 | Automatic exhaust half-full transfusion system liquid-filter-storage dropping bottle |
| WO2014071775A1 (en) * | 2012-11-09 | 2014-05-15 | 郑州昊能科技有限公司 | Automatic cut-off drip chamber with negative pressure conduction device |
| CN103191499A (en) * | 2013-03-27 | 2013-07-10 | 贾宇东 | Positioning installation structure of pointed bubble stopping exhaust film in dripping bottle exhaust vent |
| WO2014166156A1 (en) * | 2013-04-10 | 2014-10-16 | 中国人民解放军第四军医大学 | Quick-insertion membrane pump-type transfusion device |
| CN103622820A (en) * | 2013-09-20 | 2014-03-12 | 张玉武 | Automatic preparing system for sealed type venous transfusion |
| CN103622820B (en) * | 2013-09-20 | 2018-04-27 | 张玉武 | Closed venous transfusion automatic preparation system |
| CN107206148A (en) * | 2014-12-17 | 2017-09-26 | 移动Iv系统公司 | The function instillation chamber component unrelated with orientation |
| CN107970498A (en) * | 2016-10-21 | 2018-05-01 | 上海康德莱企业发展集团股份有限公司 | It is a kind of eccentric from exhaust dropping funnel |
| CN107970498B (en) * | 2016-10-21 | 2023-11-21 | 上海康德莱企业发展集团股份有限公司 | Eccentric self-exhaust dropping funnel |
| CN109833537A (en) * | 2017-11-24 | 2019-06-04 | 姜娟 | A kind of infusion apparatus |
| CN110237589A (en) * | 2019-06-14 | 2019-09-17 | 江苏金塔药业有限公司 | Multi-layer filtrating equipment and filtration system |
| CN110237589B (en) * | 2019-06-14 | 2022-03-01 | 江苏金塔药业有限公司 | Multilayer filter device and filter system |
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