CN202920736U - Disposable infusion apparatus capable of cutting off liquid automatically - Google Patents
Disposable infusion apparatus capable of cutting off liquid automatically Download PDFInfo
- Publication number
- CN202920736U CN202920736U CN 201220641737 CN201220641737U CN202920736U CN 202920736 U CN202920736 U CN 202920736U CN 201220641737 CN201220641737 CN 201220641737 CN 201220641737 U CN201220641737 U CN 201220641737U CN 202920736 U CN202920736 U CN 202920736U
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- dropping funnel
- liquid
- air
- hose
- transfusion device
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Abstract
The utility model discloses a disposable infusion apparatus capable of cutting off liquid automatically. The disposable infusion apparatus comprises a bottle stopper puncture device protective casing, a bottle stopper puncture device, an air filtering membrane, an air plug, an upper hose, a drip chamber cover, a latex cap, an upper drip chamber, an automatic liquid cut-off valve, a lower drip chamber, a lower hose, a flow regulator, a liquid medicine filter and an intravenous infusion needle. The disposable infusion apparatus is characterized in that the automatic liquid cut-off valve consists of a floater and a water stop diaphragm, the floater is provided with a through hole, the water stop diaphragm consists of a frame and a middle thin layer, the water stop diaphragm is embedded into the bottom of the floater with the through hole, and the automatic liquid cut-off valve is placed in the lower drip chamber and can float after being filled with liquid medicine. The automatic liquid cut-off valve can automatically close the liquid outlet of the lower drip chamber when a small amount of liquid medicine is stored in the drip chambers in the infusion process, so that air is prevented from entering the lower hose, accordingly, the increased workload caused by air entering the lower hose is avoided, and the medical dispute caused by a medical incident is also avoided.
Description
Technical field
This utility model relates to disposable use medical apparatus and instruments, especially relate to a kind of can be from liquid transfusion device only.
Background technology
the disposable infusion set of domestic each clinical use of clinical unit of medical institutions, mainly by protective sleeve for bottle stopper puncture outfit, bottle plug puncture unit, air filter, infusion tube, dropper, dropping funnel, flow regulator, liquid medicine filter and venoclysis needle form, this product is in clinical use procedure, particularly when medicinal liquid soon drips off, families of patients is nervous especially, slightly do not note will because of the medicine bottle inner liquid medicine be totally lost change the bottle untimely, air is entered in bottom hose under dropping funnel, in order to continue transfusion, the nursing staff can only carry out aerofluxus by being wound around finger with bottom hose, operation inconvenience very, or by turning on the transfusion needle stand, medicinal liquid is discharged from the liquid medicine filter joint, so both having wasted medicinal liquid also is easy to pathogenic bacteria and invades and to cause transfusion to infect.Though have in the market from stopping the liquid transfusion device, these products are in clinical use procedure, only the liquid effect can not really be embodied certainly.
The utility model content
the purpose of this utility model is to provide a kind of disposable use from stopping the liquid transfusion device, can make product after bottle herb liquid of being totally lost, along with the dropping funnel inner liquid medicine constantly reduces, when the buoyancy of medicinal liquid is not enough so that when only the liquid valve floats certainly, the thin intermediate of sealing diaphragm, be loaded with medicinal liquid under depress, sealed the liquid outlet of time dropping funnel, make the medicinal liquid in dropping funnel can not continue to flow down, medicinal liquid in bottom hose also is retained in the bottom hose pipeline always, air can't enter in bottom hose, so just can avoid carrying out the emptying increase medical personnel working strength that makes because entering air in managing, can alleviate again the nervous psychology pressure of family numbers of patients nurse, the medical tangle of avoiding malpractice to cause.
for achieving the above object, this utility model adopts following technical scheme: this utility model comprises protective sleeve for bottle stopper puncture outfit, bottle plug puncture unit, air-filtering membrane, air lock, top hose, the dropping funnel lid, the latex cap, upper dropping funnel, from stopping the liquid valve, lower dropping funnel, bottom hose, flow regulator, liquid medicine filter and venoclysis needle, protective sleeve for bottle stopper puncture outfit are placed on bottle plug puncture unit, and air lock is pressed on air-filtering membrane in the air inlet of bottle plug puncture unit, bottle plug puncture unit, top hose, the dropping funnel lid, upper dropping funnel, lower dropping funnel, bottom hose, liquid medicine filter is linked in sequence, the latex cap sleeve is connected on the dosing mouth of dropping funnel lid, flow regulator is placed on bottom hose, the needle stand of venoclysis needle is socketed on the conehead of liquid medicine filter, it is characterized in that: only the liquid valve is comprised of through hole float and sealing diaphragm certainly, and the sealing diaphragm is comprised of frame and thin intermediate, and the sealing diaphragm is embedded in bottom the through hole float, be placed in lower dropping funnel from stopping the liquid valve, and can float after being full of medicinal liquid.
In upper dropping funnel and lower dropping funnel junction, the bottom is provided with the spline projection.
The dropping funnel lid can be provided with automatic exhauster and also can not arrange, and the air lock on automatic exhauster is pressed on air-filtering membrane in exhaust passage outlet port, or adopts high frequency heat seal be heat sealing at air-filtering membrane in exhaust passage outlet port and use the air lock jam-pack.
From the bottle plug puncture unit, air-filtering membrane, the air lock that stop the liquid transfusion device, can be also to be substituted by bottle plug puncture unit, exhaust hose, air filter, bottle plug puncture unit can be the plastic-steel pin, can be also plastics pin or two draw point.
The thin intermediate of sealing diaphragm can be arranged on the base plane of sealing diaphragm and the arbitrary position between upper plane, and the diameter of thin intermediate is 4mm-20mm, and thickness is between 0.06mm-0.2mm.
Dropping funnel lid and upper dropping funnel also can unite two into one and be injection molded into one, and the fluid dropper that dropping funnel covers is by latex cap and threeway or two-way replacement.
Air lock is provided with an interior plug, and the interior plug both openable air lock that also can make seals, and air-filtering membrane should be hydrophobic material.
Liquid medicine filter can adopt medium-sizedly, also can adopt accurate.
Also can add a sump assemblies at the upper conduit middle part from stopping the liquid transfusion device.
Small hose from the exhaust hose, top hose, upper dropping funnel, bottom hose and the venoclysis needle that stop the liquid transfusion device also can adopt double-layer coextrusion to go out to be processed to form, lower dropping funnel, liquid medicine filter can be also that double injection forms, and skin is and contains coloured lucifuge material.
this utility model is compared with the disposable infusion set of conventional use clinically, in use not too large difference, also bottle plug puncture unit to be inserted the infusion solutions bottle stopper get rid of air in the transfusion device inner tube afterwards, two kinds of manual methods are arranged: the first is after bottle plug puncture unit is inserted the transfusion bottle stopper of reversal of the natural order of things, make dropper get rid of air in dropping funnel above lower liquid outlet, be filled with dropping funnel and slowly make after half to drip and vertically can avoid producing a large amount of bubbles in dropping funnel, other method: after bottle plug puncture unit being inserted the transfusion bottle stopper of reversal of the natural order of things, pinch and press dropping funnel to make it suck medicinal liquid to dropping funnel approximately behind 1/2 to 2/3 place, pinch and depress float valve floating after flexible pipe, medicinal liquid enters bottom hose, until after medicinal liquid is full of pipeline, namely puncture after closing actuator, transfusion, but after medicine bottle and dropping funnel inner liquid medicine are totally lost, of the present utility model from only the liquid valve can be when the dropping funnel inner liquid medicine reduces to a certain degree, slide to lower dropping funnel liquid outlet from liquid valve only under reducing because of its buoyancy, medicinal liquid because of splendid attire presses down thin intermediate again, make the liquid outlet of the lower dropping funnel of its sealing and the suction that the hydraulic pressure difference in bottom hose forms, thereby the self-closed pipeline stops liquid, prevent that air from entering bottom hose, this utility model can reduce medical personnel and get rid of because entering the workload of air in managing, can alleviate again the nervous psychology pressure of family numbers of patients nurse, thereby make the transfusion safer, so both facilitated medical personnel easy to operate, save time, can avoid medical tangle again.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment 1;
Fig. 2, Fig. 3 are respectively this utility model from stopping the other two kinds of structural representations of liquid valve;
Fig. 4, Fig. 5 are respectively the structural representation of this utility model dropping funnel lid and the other pattern of upper dropping funnel;
Fig. 6, Fig. 7 are respectively the structural representation of this utility model embodiment 2 and embodiment 3.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing this utility model is described in further detail.
Embodiment 1
as Fig. 1, Fig. 2, Fig. 3, in Fig. 4 and Fig. 5, this utility model is by protective sleeve for bottle stopper puncture outfit (1), bottle plug puncture unit (2), air-filtering membrane (3-1), air lock (4-1), top hose (5), dropping funnel lid (6), latex cap (7), from stopping the liquid valve, upper dropping funnel (8), lower dropping funnel (11), bottom hose (12), flow regulator (13), liquid medicine filter (14) and venoclysis needle (15) form, protective sleeve for bottle stopper puncture outfit (1) is placed on bottle plug puncture unit (2), air lock (4-1) is pressed on air-filtering membrane (3-1) in the air inlet of bottle plug puncture unit (2), bottle plug puncture unit (2), top hose (5), dropping funnel lid (6), upper dropping funnel (8), lower dropping funnel (11), bottom hose (12), liquid medicine filter (14) is linked in sequence, latex cap (7) is socketed on the dosing mouth of dropping funnel lid (6), flow regulator (13) is placed on bottom hose (12), the needle stand of venoclysis needle (15) is socketed on the conehead of liquid medicine filter (14), it is characterized in that: only the liquid valve is comprised of through hole float (9) and sealing diaphragm (10) certainly, sealing diaphragm (10) by frame (10-1) or (10-2) and thin intermediate (10a) form, sealing diaphragm (10) is embedded in bottom through hole float (9), be placed in lower dropping funnel (11) from stopping the liquid valve, and can float after being full of medicinal liquid.
In upper dropping funnel (8) and lower dropping funnel (11) junction, the bottom is provided with spline projection (8a).
Dropping funnel lid (6) can be provided with automatic exhauster and also can not arrange, air lock on automatic exhauster (4-2) is pressed on air-filtering membrane (3-2) in exhaust passage outlet port, or adopts high frequency heat seal that air-filtering membrane (3-2) is heat sealing in exhaust passage outlet port also with air lock (4-2) jam-pack.
From the bottle plug puncture unit (2), air-filtering membrane (3-1), the air lock (4-1) that stop the liquid transfusion device, can be also as being substituted by bottle plug puncture unit (2), exhaust hose (18), air filter (19) in Fig. 6, bottle plug puncture unit (2) can be also as the plastic-steel pin in Fig. 7, can be also plastics pin or two draw point.
The thin intermediate (10a) of sealing diaphragm (10) can be arranged on the base plane of sealing diaphragm (10) and the arbitrary position between upper plane, and the diameter of thin intermediate (10a) is 4mm-20mm, and thickness is between 0.06mm-0.2mm.
Dropping funnel lid (6) and upper dropping funnel (8) also can unite two into one and be injection molded into one, and the fluid dropper on dropping funnel lid (6) is by latex cap (7-1) and threeway (6-1) or two-way (6-2) replacement.
Air lock (4-1,4-2) is provided with an interior plug, and the interior plug both openable air lock that also can make seals, and air-filtering membrane (3-1,3-2) should be hydrophobic material.
Liquid medicine filter (14) can adopt plain edition (14), also can adopt accurate (14a).
Also can add a sump assemblies (20) at upper conduit (5) middle part from stopping the liquid transfusion device.
Small hose from the top hose (5), upper dropping funnel (8), bottom hose (12) and the venoclysis needle (15) that stop the liquid transfusion device also can adopt double-layer coextrusion to go out to be processed to form, lower dropping funnel (11), liquid medicine filter (14) can be also that double injection forms, skin is and contains coloured lucifuge material, accessory that other contacts with medicinal liquid adopts the ABS material, by also making the liquid transfusion device only certainly with lucifuge performance after connecting.
In Fig. 6, the structure of the present embodiment 2 is substantially the same manner as Example 1, its difference is to adopt the plastic-steel pin, dropping funnel lid (6) is the band automatic exhauster, in flow regulator (13) lower end, liquid medicine filter (14) is become accurate filter (14a), liquid stopping clamp (17) and female Luer (16) have been increased, other is same as in figure 1, and plastic-steel pin (2) is to be formed through bonding by fluid base (2c), feed liquor cap (2b) and air inlet needle tubing (2a); During use, take out plastic-steel needle shield (1), plastic-steel pin (2) is inserted in the medicine bottle stopper of reversal of the natural order of things, medicinal liquid enters in dropping funnel automatically to spacing position (6a), liquid level no longer rises, pinch and depress flexible pipe (12), only the liquid valve does not rise floating to projection (8a) position of upper dropping funnel (8) certainly, and medicinal liquid enters immediately in bottom hose and is full of whole pipeline.
above-mentioned top hose (5) from stopping the liquid transfusion device, upper dropping funnel (8), bottom hose (12), flexible pipe between accurate filter (14a) and female Luer (16) and the small hose of venoclysis needle (15) also can adopt double-layer coextrusion to go out to be processed to form, lower dropping funnel (11), liquid medicine filter (14) can be also that double injection forms, skin is and contains coloured lucifuge material, bottle plug puncture unit (2), dropping funnel lid (6) and female Luer (16) adopt the ABS material, by also making the liquid transfusion device only certainly with lucifuge performance after connecting.
Embodiment 3
In Fig. 7, the structure of the present embodiment 3 is substantially the same manner as Example 2, its difference is that the plastic-steel pin becomes the plastics pin, replaced by bottle plug puncture unit (2), exhaust hose (18), air filter (19), and increased sump assemblies (20), latex cap (7-2), venting plug (21) and liquid stopping clamp (17-1) in the top hose middle and lower part; During use, take out plastics needle shield (1), plastics pin (2) is inserted in the medicine bottle stopper of reversal of the natural order of things, close flow regulator (13), medicinal liquid enters in sump assemblies (20) and dropping funnel automatically to spacing position (6a), liquid level no longer rises, medicinal liquid is to specified volume, close tongs (17-1), pinch and depress flexible pipe (12), can not rise floating to projection (8a) position of upper dropping funnel (8) from stopping the liquid valve, open flow regulator (13), medicinal liquid enters immediately in bottom hose and is full of whole pipeline.
In above-described embodiment 1, embodiment 2 and embodiment 3, after the medicine bottle medicinal liquid is totally lost, reduction along with dropping funnel giving drugs into nose liquid level, from only also decline thereupon of liquid valve, until slide to lower dropping funnel (11) liquid outlet under the thin intermediate (10a) of sealing diaphragm (10), medicinal liquid because of splendid attire presses down the suction that the hydraulic pressure difference in thin intermediate (10a) and bottom hose (12) forms again, make its liquid outlet that has sealed time dropping funnel (11), thereby prevent that air from entering bottom hose (12) and reaching self-closing effect.
The above embodiment is only preferential embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from this utility model principle; also can carry out some modification and improvement to each accessory, this also should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a disposable use is from stopping the liquid transfusion device, comprise protective sleeve for bottle stopper puncture outfit, bottle plug puncture unit, air-filtering membrane, air lock, top hose, the dropping funnel lid, the latex cap, upper dropping funnel, from stopping the liquid valve, lower dropping funnel, bottom hose, flow regulator, liquid medicine filter and venoclysis needle, protective sleeve for bottle stopper puncture outfit is placed on bottle plug puncture unit, air lock is pressed on air-filtering membrane in the air inlet of bottle plug puncture unit, bottle plug puncture unit, top hose, the dropping funnel lid, upper dropping funnel, lower dropping funnel, bottom hose, liquid medicine filter is linked in sequence, the latex cap sleeve is connected on the dosing mouth of dropping funnel lid, flow regulator is placed on bottom hose, the needle stand of venoclysis needle is socketed on the conehead of liquid medicine filter, it is characterized in that: only the liquid valve is comprised of through hole float and sealing diaphragm certainly, the sealing diaphragm is comprised of frame and thin intermediate, the sealing diaphragm is embedded in bottom the through hole float, be placed in lower dropping funnel from stopping the liquid valve, and can float after being full of medicinal liquid.
2. disposable use as claimed in claim 1 from liquid transfusion device only, is characterized in that: in described upper dropping funnel, itself and lower dropping funnel junction, the bottom is provided with the spline projection.
3. disposable use as claimed in claim 1 is from stopping the liquid transfusion device, it is characterized in that: described dropping funnel lid, can be provided with automatic exhauster can not arrange yet, air lock on automatic exhauster is pressed on air-filtering membrane in exhaust passage outlet port, or adopts high frequency heat seal be heat sealing at air-filtering membrane in exhaust passage outlet port and use the air lock jam-pack.
4. disposable use as claimed in claim 1 is from stopping the liquid transfusion device, it is characterized in that: described bottle plug puncture unit, air-filtering membrane, air lock, can be also to be substituted by bottle plug puncture unit, exhaust hose, air filter, bottle plug puncture unit can be the plastic-steel pin, can be also plastics pin or two draw point.
5. disposable use as claimed in claim 1 is from stopping the liquid transfusion device, it is characterized in that: described sealing diaphragm, in the middle of it, thin layer can be arranged on the base plane of sealing diaphragm and the arbitrary position between upper plane, and the diameter of thin intermediate is 4mm-20mm, and thickness is between 0.06mm-0.2mm.
6. disposable use as claimed in claim 1 from stopping the liquid transfusion device, is characterized in that: described dropping funnel lid and upper dropping funnel, and also can unite two into one and be injection molded into one, the fluid dropper that dropping funnel covers replaces by adding medicated cap and threeway or two-way.
7. certainly stop the liquid transfusion device as claim 1 or 3 or 4 described disposable uses, it is characterized in that: described air lock is provided with an interior plug, and the interior plug both openable air lock that also can make seals, and described air-filtering membrane should be hydrophobic material.
8. disposable use as claimed in claim 1 from liquid transfusion device only, is characterized in that: described liquid medicine filter, can adopt medium-sizedly, and also can adopt accurate.
9. certainly stop the liquid transfusion device as claim 1 or 3 or 4 described disposable uses, it is characterized in that: the described liquid transfusion device that certainly stops also can add a sump assemblies at the upper conduit middle part.
10. disposable use as claimed in claim 1 is from stopping the liquid transfusion device, it is characterized in that: the small hose of described exhaust hose, top hose, upper dropping funnel, bottom hose and venoclysis needle also can adopt double-layer coextrusion to go out to be processed to form, lower dropping funnel, liquid medicine filter can be also that double injection forms, and skin is and contains coloured lucifuge material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641737 CN202920736U (en) | 2012-11-22 | 2012-11-22 | Disposable infusion apparatus capable of cutting off liquid automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641737 CN202920736U (en) | 2012-11-22 | 2012-11-22 | Disposable infusion apparatus capable of cutting off liquid automatically |
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| Publication Number | Publication Date |
|---|---|
| CN202920736U true CN202920736U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220641737 Expired - Fee Related CN202920736U (en) | 2012-11-22 | 2012-11-22 | Disposable infusion apparatus capable of cutting off liquid automatically |
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| CN (1) | CN202920736U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611201A (en) * | 2013-11-27 | 2014-03-05 | 陈玲 | Disposable infusion apparatus with liquid stopping function |
| CN103611202A (en) * | 2013-11-27 | 2014-03-05 | 陈玲 | Universal type disposable infusion device with liquid stop function |
| CN104274877A (en) * | 2013-07-29 | 2015-01-14 | 江西丽华鑫朗药业科技有限公司 | Precise automatic liquid-stopping blood-return-proof infusion device |
| CN104474603A (en) * | 2014-12-26 | 2015-04-01 | 北京伏尔特技术有限公司 | Self-exhausting, liquid-stopping and liquid-purifying infusion apparatus and safe infusion method thereof |
| CN104707222A (en) * | 2013-12-14 | 2015-06-17 | 广东龙心医疗器械有限公司 | Disposable infusion instrument with liquid stopping function |
| CN104288874B (en) * | 2013-07-19 | 2017-09-26 | 广东龙心医疗器械有限公司 | Disposable automatic exhaust stops liquid transfusion device and method |
| CN109157702A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | Dropping funnel is used in a kind of infusion |
-
2012
- 2012-11-22 CN CN 201220641737 patent/CN202920736U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104288874B (en) * | 2013-07-19 | 2017-09-26 | 广东龙心医疗器械有限公司 | Disposable automatic exhaust stops liquid transfusion device and method |
| CN104274877A (en) * | 2013-07-29 | 2015-01-14 | 江西丽华鑫朗药业科技有限公司 | Precise automatic liquid-stopping blood-return-proof infusion device |
| CN103611201A (en) * | 2013-11-27 | 2014-03-05 | 陈玲 | Disposable infusion apparatus with liquid stopping function |
| CN103611202A (en) * | 2013-11-27 | 2014-03-05 | 陈玲 | Universal type disposable infusion device with liquid stop function |
| CN104707222A (en) * | 2013-12-14 | 2015-06-17 | 广东龙心医疗器械有限公司 | Disposable infusion instrument with liquid stopping function |
| CN104474603A (en) * | 2014-12-26 | 2015-04-01 | 北京伏尔特技术有限公司 | Self-exhausting, liquid-stopping and liquid-purifying infusion apparatus and safe infusion method thereof |
| CN109157702A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | Dropping funnel is used in a kind of infusion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151122 |
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| EXPY | Termination of patent right or utility model |