CN202920735U - Disposable infusion apparatus capable of stopping liquid automatically - Google Patents
Disposable infusion apparatus capable of stopping liquid automatically Download PDFInfo
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- CN202920735U CN202920735U CN 201220641715 CN201220641715U CN202920735U CN 202920735 U CN202920735 U CN 202920735U CN 201220641715 CN201220641715 CN 201220641715 CN 201220641715 U CN201220641715 U CN 201220641715U CN 202920735 U CN202920735 U CN 202920735U
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- dropping funnel
- air
- infusion apparatus
- self
- hose
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Abstract
The utility model discloses a disposable infusion apparatus capable of stopping 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 stop device, 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 stop device consists of a floater and a water stop diaphragm, the floater is provided with a liquid inlet and an exhaust 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, and the automatic liquid stop device is placed in the lower drip chamber and can float after being filled with liquid medicine. The automatic liquid stop device 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, air is prevented from entering the lower hose to increase the workload of the nursing personnel and is also prevented from entering a patient to cause a medical incident.
Description
Technical field
This utility model relates to disposable use medical apparatus and instruments, especially relates to a kind of energy self-stopping infusion apparatus.
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 self-stopping infusion apparatus is arranged in the market, these products are in clinical use procedure, and the self-stopping effect can not really be embodied.
The utility model content
the purpose of this utility model is to provide a kind of disposable use self-stopping infusion apparatus, can make product after bottle herb liquid of being totally lost, along with the dropping funnel inner liquid medicine constantly reduces, when the buoyancy deficiency of medicinal liquid so that self-stopping device when floating, 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, the self-stopping device, 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, and the latex cap sleeve is connected on the dosing mouth of dropping funnel lid, and flow regulator is placed on bottom hose, and the needle stand of venoclysis needle is socketed on the conehead of liquid medicine filter, it is characterized in that: the self-stopping device is by with inlet opening, the float of steam vent and sealing diaphragm form, and the sealing diaphragm is comprised of frame and thin intermediate, and the sealing diaphragm embeds the bottom of float, and the self-stopping device is placed in lower dropping funnel, 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.
The bottle plug puncture unit of self-stopping infusion apparatus, air-filtering membrane, air lock can be also to be substituted by bottle plug puncture unit, exhaust hose, air filter, and bottle plug puncture unit can be the plastic-steel pin, can be also plastics pin or two draw point.
The upper and lower part of float is middle caving in all, and the bottom section of caving in is provided with clamping part and coordinates with the sealing diaphragm, and the centre section of caving in is provided with symmetrical feed liquor through hole and exhaust hole, and float outer wall axial symmetry direction is provided with uniform spline.
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.
Self-stopping infusion apparatus also can add a sump assemblies at the upper conduit middle part.
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, self-stopping device of the present utility model can be when the dropping funnel inner liquid medicine reduces to a certain degree, the self-stopping device slides to lower dropping funnel liquid outlet because of its buoyancy under reducing, 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 the other two kinds of structural representations of this utility model self-stopping device;
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), the self-stopping device, upper dropping funnel (8), lower dropping funnel (9), 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 (9), 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: the self-stopping device is by with inlet opening (10-2), the float (10) of steam vent (10-3) and sealing diaphragm (11) form, sealing diaphragm (11) is comprised of frame (11-1) and thin intermediate (10-2), sealing diaphragm (11) embeds the bottom of float (10), the self-stopping device is placed in lower dropping funnel (9), and can float after being full of medicinal liquid.
In upper dropping funnel (8) and lower dropping funnel (9) 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.
The bottle plug puncture unit of self-stopping infusion apparatus (2), air-filtering membrane (3-1), air lock (4-1), 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 upper and lower part of float (10) is middle caving in all, the bottom section of caving in is provided with clamping part (10-4) and coordinates with sealing diaphragm (11), the centre section (10-1) of caving in is provided with symmetrical feed liquor through hole (10-2) and exhaust hole (10-3), and float outer wall axial symmetry direction is provided with uniform spline.
The thin intermediate (11-2) of sealing diaphragm (11) can be arranged on the base plane of sealing diaphragm (11) and the arbitrary position between upper plane, and the diameter of thin intermediate (11-2) 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).
Self-stopping infusion apparatus also can add a sump assemblies (20) at upper conduit (5) middle part.
In addition, the small hose of the top hose of self-stopping infusion apparatus (5), upper dropping funnel (8), bottom hose (12) and venoclysis needle (15) also can adopt double-layer coextrusion to go out to be processed to form, lower dropping funnel (9), liquid medicine filter (14) can be also that double injection forms, skin is and contains coloured lucifuge material, the accessory that other contacts with medicinal liquid adopts the ABS material, also can make the self-stopping infusion apparatus 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), the self-stopping device does not rise floating to projection (8a) position of upper dropping funnel (8), and medicinal liquid enters immediately in bottom hose and is full of whole pipeline.
Flexible pipe between the top hose of above-mentioned self-stopping infusion apparatus (5), upper dropping funnel (8), bottom hose (12), 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 (9), liquid medicine filter (14) can be also that double injection forms, skin is and contains coloured lucifuge material, bottle plug puncture unit, dropping funnel lid and female Luer adopt the ABS material, also can make the self-stopping infusion apparatus 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), the self-stopping device can not rise floating to projection (8a) position of upper dropping funnel (8), opens flow regulator (13), and 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, the self-stopping device also descends thereupon, until slide to lower dropping funnel (9) liquid outlet under the thin intermediate (11-2) of sealing diaphragm (11), medicinal liquid because of splendid attire presses down the suction that the hydraulic pressure difference in thin intermediate (11-2) and bottom hose (12) forms again, make its liquid outlet that has sealed time dropping funnel (9), 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. disposable use self-stopping infusion apparatus, 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, the self-stopping device, 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: the self-stopping device is by with inlet opening, the float of steam vent and sealing diaphragm form, the sealing diaphragm is comprised of frame and thin intermediate, the sealing diaphragm embeds the bottom of float, the self-stopping device is placed in lower dropping funnel, and can float after being full of medicinal liquid.
2. disposable use self-stopping infusion apparatus as claimed in claim 1 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 self-stopping infusion apparatus as claimed in claim 1, 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 self-stopping infusion apparatus as claimed in claim 1, 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 self-stopping infusion apparatus as claimed in claim 1, it is characterized in that: described float, its upper and lower part is middle caving in all, the bottom section of caving in is provided with clamping part and coordinates with the sealing diaphragm, the centre section of caving in is provided with symmetrical feed liquor through hole and exhaust hole, and float outer wall axial symmetry direction is provided with uniform spline.
6. disposable use self-stopping infusion apparatus as claimed in claim 1, 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.
7. disposable use self-stopping infusion apparatus as claimed in claim 1 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.
8. as claim 1 or 3 or 4 described disposable use self-stopping infusion apparatus, 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.
9. disposable use self-stopping infusion apparatus as claimed in claim 1 is characterized in that: described liquid medicine filter, can adopt medium-sizedly, and also can adopt accurate.
10. as claim 1 or 3 or 4 described disposable use self-stopping infusion apparatus, it is characterized in that: described self-stopping infusion apparatus also can add a sump assemblies at the upper conduit middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641715 CN202920735U (en) | 2012-11-22 | 2012-11-22 | Disposable infusion apparatus capable of stopping liquid automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641715 CN202920735U (en) | 2012-11-22 | 2012-11-22 | Disposable infusion apparatus capable of stopping liquid automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202920735U true CN202920735U (en) | 2013-05-08 |
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ID=48210729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220641715 Expired - Fee Related CN202920735U (en) | 2012-11-22 | 2012-11-22 | Disposable infusion apparatus capable of stopping liquid automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202920735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559346A (en) * | 2021-07-14 | 2021-10-29 | 舒管先 | Hanging automatic cut-off bottle head |
-
2012
- 2012-11-22 CN CN 201220641715 patent/CN202920735U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559346A (en) * | 2021-07-14 | 2021-10-29 | 舒管先 | Hanging automatic cut-off bottle head |
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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 |
|
| EXPY | Termination of patent right or utility model |