CN204147341U - The two steel needle type safe transfusion system of single use dorsal pore - Google Patents
The two steel needle type safe transfusion system of single use dorsal pore Download PDFInfo
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- CN204147341U CN204147341U CN201420527595.1U CN201420527595U CN204147341U CN 204147341 U CN204147341 U CN 204147341U CN 201420527595 U CN201420527595 U CN 201420527595U CN 204147341 U CN204147341 U CN 204147341U
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- dropping funnel
- steel needle
- floating plug
- single use
- transfusion system
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Abstract
The utility model discloses the two steel needle type safe transfusion system of single use dorsal pore, bottle stopper puncture steel needle (2) is connected with dropping funnel lid (5) by conduit (3), dropping funnel lid (5) is sleeved on soft dropping funnel (6), hard dropping funnel (7) is installed in the bottom of soft dropping funnel (6), the bottom of hard dropping funnel (7) connects transfusion catheter (12) one end, the other end of transfusion catheter (12) connects liquid injecting piece (14) through flow regulator (13), liquid injecting piece (14) installs entry needle (16) by two pass joints (15), overall formation safe transfusion system.This utility model is automatic plugging infusion unit titrimeter liquid outlet when transfusion nearly completes, and makes the medicinal liquid in the infusion pipeline of liquid outlet lower end stop flowing, thus automatically terminates transfusion, reach and prevent air from entering in patient body, ensure safe infusion.
Description
Technical field
This utility model relates to the aseptic medical equipment for clinical transfusion purposes, especially relating to one has when transfusion completes nearly, automatic plugging dropping funnel liquid outlet, makes infusion pipeline liquid stop flowing, prevents air from entering the two steel needle type safe transfusion system of single use dorsal pore in patient body.
Background technology
In clinical transfusion process, usual medical personnel will look after the transfusion of patient in several ward, labor intensity is very large, usually occur that failing to observe in time infusion bottle inner liquid medicine because of medical personnel, patient or family numbers of patients has been totally lost and does not change infusion bottle in time or extract the phenomenon of infusion needle, liquid level declines too low and causes gas to enter human body causing the adverse consequencess such as aeroembolism, bring heavy mental burden to medical personnel, patient or family numbers of patients.Therefore, in clinical transfusion operation, use a kind of safe transfusion system with automatic liquid-stopping function just particularly important.
Summary of the invention
The purpose of this utility model is: provide a kind of single use dorsal pore two steel needle type safe transfusion system, structure is simple, safe and reliable, the automatic plugging infusion unit titrimeter liquid outlet when transfusion nearly completes, the medicinal liquid in the infusion pipeline of liquid outlet lower end is made to stop flowing, thus automatically terminate transfusion, reach and prevent air from entering in patient body, ensure safe infusion.
This utility model is achieved through the following technical solutions: this safe transfusion system comprises bottle stopper puncture steel needle, aerofluxus draw point, conduit, dropping funnel lid, soft dropping funnel, hard dropping funnel, transfusion catheter, flow regulator, liquid injecting piece, two pass joints and entry needle, bottle stopper puncture steel needle is connected with dropping funnel lid by conduit, dropping funnel lid is sleeved on soft dropping funnel, hard dropping funnel is installed in the bottom of soft dropping funnel, the bottom of hard dropping funnel connects transfusion catheter one end, the other end of transfusion catheter connects liquid injecting piece through flow regulator, liquid injecting piece is by two-way jiont treatment entry needle, overall formation safe transfusion system, it is characterized in that: dropping funnel covers integrated injection molding dosing mouth, and dosing mouth installs calparine cap, medical filtration Netcom crosses high frequency heat seal and is fixed in liquid medicine filter lid and is arranged on hard dropping funnel inner bottom surface together, floating plug is contained in hard dropping funnel, and the concave surface that latex cap is embedded in floating plug is interior relative with the infusion port of liquid medicine filter lid.
Wherein, described liquid medicine filter lid is for falling funnel type, and form with infusion port integrated injection molding, medical filtration Netcom crosses high frequency and is heat sealing in liquid medicine filter lid.
Wherein, the external diameter of described floating plug is more smaller than hard dropping funnel internal diameter, and the outside of floating plug is gear-like sidewall, and the top of floating plug is ball-type buffering convex surface, and the bottom of floating plug is concave surface.
Wherein, described latex cap is the latex ring that one side is provided with Emulsoid-film, and latex cap entirety plug is in the concave surface of floating plug, and Emulsoid-film is just to infusion port.
Wherein, concave surface inwall and the latex cap joint of floating plug have air channel, and under air channel size ensures normal infusion state, medicinal liquid cannot enter floating plug cavity.
Wherein, arrange in soft dropping funnel and only rise bank, floating plug is active in and only rises between bank and infusion port.
Wherein, soft dropping funnel and hard dropping funnel combination after dropping funnel capacity be respectively: 6cc, 8cc, 10cc, 12cc, 14cc.
Another embodiment of the present utility model: two draw point is set to the exhaust integrated injection molded puncture of puncture and moulds pin, dosing mouth is arranged in threeway, medical filtration net is set to the liquid medicine filter be connected on transfusion catheter, the intravenous needle of female Luer in the band standard that two pass joints connect any manufacturer production.
This utility model places gear-like plastics (also can be other material) floating plug in its dropping funnel, the latex cap that floating plug and the liquid outlet place of closing have a flexible medical latex to make, during transfusion, liquid flows into dropping funnel from the space of gear-like floating plug, floating plug rises under the buoyancy of liquid, automatically liquid outlet is opened, realize infusion process, when infusing close to when completing, floating plug declines along with liquid level, when contacting to floating plug latex cap with liquid outlet, under atmospheric pressure and floating plug gravity pressure, flexible latex cap just tightly blocks liquid outlet, transfusion catheter under making air not enter into liquid outlet, thus prevent air from entering human body, realize safe infusion, this for reduce further and avoid malpractice there is very positive meaning.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is another embodiment overall structure schematic diagram of the present utility model.
Fig. 3 is automatic liquid-stopping device schematic diagram.
Fig. 4 is the upward view of floating plug.
Fig. 5 is the upward view of liquid medicine filter lid.
In figure: 1 aerofluxus draw point, 2 bottle stopper puncture steel needles, 3 conduits, 4 calparine caps, 5 dropping funnel lids, 6 soft dropping funnels, 7 hard dropping funnels, 8 floating plugs, 9 latex caps, 10 liquid medicine filter lids, 11 medical filtration nets, 12 transfusion catheters, 13 flow regulators, 14 liquid injecting pieces, 15 2 pass joints, 16 entry needles, 6a only rises bank, 8a concave surface, 8b air channel, 9a Emulsoid-film, 10a infusion port, pin is moulded in 1A puncture, 5A dropping funnel lid, the hard dropping funnel of 7A, 11A liquid medicine filter, 14A threeway, 16A intravenous needle.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As Figure 1-5, this safe transfusion system comprises aerofluxus draw point 1, bottle stopper puncture steel needle 2, conduit 3, calparine cap 4, dropping funnel lid 5, soft dropping funnel 6, hard dropping funnel 7, transfusion catheter 12, flow regulator 13, liquid injecting piece 14, two pass joints 15 and entry needle 16, bottle stopper puncture steel needle 2 is connected with dropping funnel lid 5 by conduit 3, dropping funnel lid 5 is sleeved on soft dropping funnel 6, hard dropping funnel 7 is installed in the bottom of soft dropping funnel 6, the bottom of hard dropping funnel 7 connects transfusion catheter 12 one end, the other end of transfusion catheter 12 connects liquid injecting piece 14 through flow regulator 13, liquid injecting piece 14 installs entry needle 16 by two pass joints 15, overall formation safe transfusion system, it is characterized in that: integrated injection molding dosing mouth 5a on dropping funnel lid 5, dosing mouth 5a installs calparine cap 4, medical filtration net 11 is fixed in liquid medicine filter lid 10 by high frequency heat seal and is arranged on hard dropping funnel 7 inner bottom surface together, floating plug 8 is contained in hard dropping funnel 7, and the concave surface 8a that latex cap 9 is embedded in floating plug is interior relative with the infusion port 10a of liquid medicine filter lid.
As shown in Fig. 3,5, described liquid medicine filter lid 10, for falling funnel type, forms with infusion port 10a integrated injection molding, medical filtration net 11 by high frequency heat seal in liquid medicine filter lid 10.
As shown in Fig. 1,3,4, the external diameter of described floating plug 8 is more smaller than hard dropping funnel 7 internal diameter, and the outside of floating plug 8 is gear-like sidewall, and the top of floating plug 8 is ball-type buffering convex surface, and the bottom of floating plug is concave surface 8a.
As shown in Figure 1,3, described latex cap 9 is the latex ring that one side is provided with Emulsoid-film 9a, and latex cap 9 entirety plug is in the concave surface 8a of floating plug, and Emulsoid-film 9a is just to infusion port 10a.
As shown in Fig. 1,3,4, concave surface 8a inwall and latex cap 8 joint of floating plug have air channel 8b, and the size of air channel 8b ensures that medicinal liquid cannot enter floating plug cavity under normal infusion state.
As shown in Figure 1, arrange in soft dropping funnel 6 and only rise bank 6a, floating plug 8 is active in and only rises between bank 6a and infusion port 10a.
As shown in Figure 2, another embodiment of the present utility model: aerofluxus draw point 1, bottle stopper puncture steel needle 2 are set to the exhaust integrated injection molded puncture of puncture and mould pin 1A, dosing mouth 5a is arranged on threeway 14A, medical filtration net 11 is set to the liquid medicine filter 11A be connected on transfusion catheter, the intravenous needle 16A of female Luer in the band standard that two pass joints 15 connect any manufacturer production.
When transfusion operation starts, first bottle stopper puncture steel needle 2 is inserted in medical liquid container bottle stopper, again aerofluxus draw point 1 is also inserted in bottle stopper, air filtration cap is opened simultaneously, medicinal liquid automatically enters in soft dropping funnel 6 under the effect of atmospheric pressure and self gravitation, the top ball-type being first dropped in floating plug 8 cushions on convex surface and is flowed in hard dropping funnel 7 by dispersion drain through the space of gear-like sidewall, along with the accumulation gradually of medicinal liquid, comparatively medicinal liquid is light for the density of the plastic material that floating plug 8 adopts due to it, rise under the buoyancy of liquid, Emulsoid-film 9a leaves binding face and automatically opens infusion port 10a, medicinal liquid flows through medical filtration net 11 and enters in transfusion long duct 12 again, finally flow out from entry needle 16 needle tubing endoporus, air in each parts of automatic eliminating, when medicinal liquid is nearly totally lost, floating plug 8 is along with liquid level decline, when contacting to Emulsoid-film 9a with infusion port 10a, under atmospheric pressure and floating plug 8 gravity pressure, Emulsoid-film 9a just tightly blocks infusion port 10a, make air not enter into the infusion pipeline of below infusion port 10a, thus prevent air from entering patient's vein.
Above-mentioned only for the technical solution of the utility model is described, and be not limitation of the utility model, those skilled in the art, when not departing from the spirit and scope of utility model, can also make a variety of changes and modification, all equivalent technical schemes also belong to category of the present utility model.
Claims (8)
1. the two steel needle type safe transfusion system of single use dorsal pore, comprise aerofluxus draw point (1), bottle stopper puncture steel needle (2), conduit (3), calparine cap (4), dropping funnel lid (5), soft dropping funnel (6), hard dropping funnel (7), transfusion catheter (12), flow regulator (13), liquid injecting piece (14), two pass joints (15) and entry needle (16), bottle stopper puncture steel needle (2) is connected with dropping funnel lid (5) by conduit (3), dropping funnel lid (5) is sleeved on soft dropping funnel (6), hard dropping funnel (7) is installed in the bottom of soft dropping funnel (6), the bottom of hard dropping funnel (7) connects transfusion catheter (12) one end, the other end of transfusion catheter (12) connects liquid injecting piece (14) through flow regulator (13), liquid injecting piece (14) installs entry needle (16) by two pass joints (15), overall formation safe transfusion system, it is characterized in that: the upper integrated injection molding dosing mouth (5a) of dropping funnel lid (5), dosing mouth (5a) is installed calparine cap (4), medical filtration net (11) is fixed in liquid medicine filter lid (10) by high frequency heat seal and is arranged on hard dropping funnel (7) inner bottom surface together, floating plug (8) is contained in hard dropping funnel (7), and the concave surface (8a) that latex cap (9) is embedded in floating plug is interior relative with the infusion port (10a) of liquid medicine filter seat.
2. the two steel needle type safe transfusion system of single use dorsal pore according to claim 1, it is characterized in that: liquid medicine filter lid (10) is for falling funnel type, form with infusion port (10a) integrated injection molding, medical filtration net (11) by high frequency heat seal in liquid medicine filter lid (10).
3. the two steel needle type safe transfusion system of single use dorsal pore according to claim 1, it is characterized in that: the external diameter of floating plug (8) is more smaller than hard dropping funnel (7) internal diameter, the outside of floating plug (8) is gear-like sidewall, the top of floating plug (8) is ball-type buffering convex surface, and the bottom of floating plug is concave surface (8a).
4. the two steel needle type safe transfusion system of single use dorsal pore according to claim 1, it is characterized in that: latex cap (9) is the latex ring that one side is provided with Emulsoid-film (9a), latex cap (9) entirety plug is in the concave surface (8a) of floating plug, and Emulsoid-film (9a) is just to infusion port (10a).
5. the two steel needle type safe transfusion system of single use dorsal pore according to claim 1, it is characterized in that: concave surface (8a) inwall and latex cap (9) joint of floating plug have air channel (8b), the size of air channel (8b) ensures that medicinal liquid cannot enter floating plug cavity under normal infusion state.
6. the two steel needle type safe transfusion system of single use dorsal pore according to claim 1, is characterized in that: arrange in soft dropping funnel (6) and only rise bank (6a), floating plug (8) is active in and only rises between bank (6a) and infusion port (10a).
7. the two steel needle type safe transfusion system of single use dorsal pore according to claim 1, is characterized in that: the dropping funnel capacity after soft dropping funnel and hard dropping funnel combine is respectively: 6cc, 8cc, 10cc, 12cc, 14cc.
8. the two steel needle type safe transfusion system of single use dorsal pore according to claim 1, it is characterized in that: aerofluxus draw point (1), bottle stopper puncture steel needle (2) are set to the exhaust integrated injection molded puncture of puncture and mould pin (1A), dosing mouth (5a) is arranged in threeway (14A), medical filtration net (11) is set to the liquid medicine filter (11A) be connected on transfusion catheter, the intravenous needle (16A) of female Luer in the band standard that two pass joints (15) connect any manufacturer production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527595.1U CN204147341U (en) | 2014-09-15 | 2014-09-15 | The two steel needle type safe transfusion system of single use dorsal pore |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527595.1U CN204147341U (en) | 2014-09-15 | 2014-09-15 | The two steel needle type safe transfusion system of single use dorsal pore |
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| CN204147341U true CN204147341U (en) | 2015-02-11 |
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| CN201420527595.1U Active CN204147341U (en) | 2014-09-15 | 2014-09-15 | The two steel needle type safe transfusion system of single use dorsal pore |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477750A (en) * | 2016-01-04 | 2016-04-13 | 湖南省绿洲惠康发展有限公司 | Disposable automatic liquid-stop infusion apparatus |
| CN106581806A (en) * | 2015-10-20 | 2017-04-26 | 湖南省绿洲惠康发展有限公司 | Disposable self-sealed automatic liquid-stopping transfusion device |
| WO2017118110A1 (en) * | 2016-01-05 | 2017-07-13 | 胡绍勤 | Infusion tube |
-
2014
- 2014-09-15 CN CN201420527595.1U patent/CN204147341U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106581806A (en) * | 2015-10-20 | 2017-04-26 | 湖南省绿洲惠康发展有限公司 | Disposable self-sealed automatic liquid-stopping transfusion device |
| CN106581806B (en) * | 2015-10-20 | 2023-02-28 | 湖南省绿洲惠康发展有限公司 | Disposable self-closed automatic liquid-stopping infusion apparatus |
| CN105477750A (en) * | 2016-01-04 | 2016-04-13 | 湖南省绿洲惠康发展有限公司 | Disposable automatic liquid-stop infusion apparatus |
| WO2017118110A1 (en) * | 2016-01-05 | 2017-07-13 | 胡绍勤 | Infusion tube |
| WO2017118109A1 (en) * | 2016-01-05 | 2017-07-13 | 胡绍勤 | Infusion tube |
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