CN103143076A - Automatic infusion apparatus - Google Patents
Automatic infusion apparatus Download PDFInfo
- Publication number
- CN103143076A CN103143076A CN2012103313738A CN201210331373A CN103143076A CN 103143076 A CN103143076 A CN 103143076A CN 2012103313738 A CN2012103313738 A CN 2012103313738A CN 201210331373 A CN201210331373 A CN 201210331373A CN 103143076 A CN103143076 A CN 103143076A
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- murphy
- dropper
- chamber
- vertebral body
- body seat
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Abstract
The invention discloses an infusion apparatus with automatic exhausting and automatic infusion stoppage functions. The automatic infusion apparatus is characterized in that a dual-cavity pipe consisting of an infusion cavity and an exhausting cavity is connected and communicated with a Murphy dropper and a bottle-stopper puncture set; and the Murphy dropper is internally provided with a floating and sinking switch consisting of a conical body seat, a floating and sinking cap, an air chamber and a sealing ring. When the automatic infusion apparatus disclosed by the invention is used, the bottle-stopper puncture set is punctured into an infusion bottle, liquid in the infusion bottle flows into the Murphy dropper from the infusion cavity, air in the Murphy dropper enters the infusion bottle from the exhausting cavity so as to carry out automatic exhausting. When the liquid in the infusion bottle is infused completely, the liquid in the Murphy dropper is reduced slowly, the floating cap sinks slowly along the drawdown of the liquid level; and when the sealing ring and the conical body seat are sealed together after being contacted completely, the floating and sinking switch is closed, and the infusion is stopped automatically.
Description
Technical field
The present invention be a kind of just can automatic vent can access infusion bottle the time and when infusion bottle in, liquid is totally lost after with regard to the transfusion device of energy automatic stopping infusion.
Background technology
At present, the transfusion device of clinical middle utilization can not automatic vent after the access infusion bottle, be inverted or push the Murphy's dropper manual exhaust; After the liquid in infusion bottle is totally lost, can not automatic stopping infusion, in transfusion device, remaining liquid also can continue input, until the pressure in tube for transfusion and and after endovascular pressure reaches balance, could stopping infusion.At this moment, the liquid in transfusion device has dropped in the following tube for transfusion of Murphy's dropper, thereby has caused blood back and plugging in transfusion device.When the nursing staff changes next bottle liquid, the needs of plugging manual exhaust again not, plugging needs pull out scalp acupuncture after, puncture transfusion again.Such transfusion device has increased patient's misery and misgivings and nursing staff's working strength, then causes patient and family members thereof being discontented with nursery work.
Summary of the invention
In order to overcome the transfusion device of now clinical middle utilization, can not automatic vent and deficiency that can not automatic stopping infusion, reduce patient's misery and misgivings and nursing staff's working strength, the invention provides a kind of transfusion device.This transfusion device can not only be infused simply and easily, and can also be safely automatic vent and automatic stopping infusion timely.
The technical solution adopted for the present invention to solve the technical problems is: the above tube for transfusion of Murphy's dropper is double lumen tube, one chamber of double lumen tube is transfusing chamber, another chamber is discharge chamber, transfusing chamber is thicker than discharge chamber, transfusing chamber flows into Murphy's dropper for the liquid in infusion bottle, and discharge chamber is discharged in infusion bottle for the air in Murphy's dropper.The opening of transfusing chamber in bottle plug puncture unit is the entrance of liquid, and the opening in Murphy's dropper is the outlet of liquid, and the opening of discharge chamber in bottle plug puncture unit is the outlet of air, and the opening in Murphy's dropper is the entrance of air.The entrance of transfusing chamber is higher than the outlet of discharge chamber, and the entrance of discharge chamber lower than the outlet of transfusing chamber is, and in Murphy's dropper, the pipeline of discharge chamber porch has a bit of stretching out.Thrust in the process of infusion bottle at bottle plug puncture unit, in bottle plug puncture unit, the opening of transfusing chamber is introduced in infusion bottle.At this moment, above the transfusing chamber porch, the pressure of liquid is greater than the pressure of following air, liquid in infusion bottle flows in transfusing chamber, form one section liquid level lower than the water column of discharge chamber outlet, when making discharge chamber thrust in infusion bottle, the pressure of transfusion intracavity liquid is greater than the pressure of discharge chamber exit liquid, thereby the liquid in transfusing chamber continues to flow into downwards in Murphy's dropper, and the air in the extruding Murphy's dropper is discharged to infusion bottle in discharge chamber.at this moment, the speed of transfusion intracavity liquid inflow Murphy's dropper equals the speed that in discharge chamber, the Murphy's dropper Air is discharged and adds that in Murphy's dropper, liquid flows into the interior speed of lower end tube for transfusion, be that the transfusion intracavity liquid flows into the speed of Murphy's dropper greater than the speed in liquid inflow lower end tube for transfusion in Murphy's dropper, so the liquid in Murphy's dropper can constantly increase, liquid-immersed after the entrance of discharge chamber in Murphy's dropper, when being full of liquid in discharge chamber, liquid level in Murphy's dropper is not rising, at this moment, the speed that in discharge chamber, the Murphy's dropper Air is discharged equals zero, be, the speed that the transfusion intracavity liquid flows into Murphy's dropper equals the speed in the tube for transfusion of liquid inflow lower end in Murphy's dropper.
Be provided with the switch that drifts along in Murphy's dropper.The switch that drifts along is comprised of buoyancy cap, vertebral body seat, air chamber, sealing ring.The vertebral body seat is fixed in Murphy's dropper lower end inner bottom surface centre, is cone, the vertebral body smooth surface.Vertebral body seat centre is provided with a hollow tract, communicates with the tube for transfusion of Murphy's dropper lower end.Be the buoyancy cap above the vertebral body seat, the buoyancy cap is worn on the vertebral body seat as a cap, and buoyancy cap profile is cylindrical, and the inside is funnel-form, and smooth surface can fully closely coincide together with the vertebral body seat.Buoyancy cap cap mouth (lower end) edge is fixed wtih sealing ring, and sealing ring is an annular membrane with elasticity, softness.When Murphy's dropper is vertically placed, under buoyancy cap action of gravitation, sealing ring can be sealed after the vertebral body seat contacts fully, close the switch that drifts along, stop passing through of air and liquid.The crown of buoyancy cap (upper end) hollow is air chamber.When Murphy's dropper was vertical, after the certain liq amount was arranged in Murphy's dropper, air chamber provided the buoyancy cap to produce enough buoyancy in liquid, made the buoyancy cap break away from the vertebral body seat at sealing ring when being sealed after the vertebral body seat contacts fully, opened the switch that drifts along.
When using this automatic transfusion device, bottle plug puncture unit is thrust in infusion bottle, the liquid in infusion bottle flows in Murphy's dropper in transfusing chamber, and the air in Murphy's dropper enters infusion bottle in discharge chamber.When the liquid in Murphy's dropper is increased to when a certain amount of, the buoyancy cap breaks away from the vertebral body plug under the effect of buoyancy, float in liquid, and the switch opens of drifting along, the liquid in Murphy's dropper flows in the tube for transfusion of its lower end.When liquid flows to position suitable in tube for transfusion, close speed regulator, at this moment, the liquid in infusion bottle continues to flow into Murphy's dropper by transfusing chamber, and the liquid in Murphy's dropper continues to increase, and liquid level rises gradually.Be submerged to the entrance of discharge chamber at liquid level after, liquid flows into and when being full of discharge chamber, the liquid in infusion bottle stops flowing into Murphy's dropper, completes automatic vent.After the liquid in infusion bottle had been totally lost, the liquid in Murphy's dropper slowly reduced, and the buoyancy cap slowly sinks with the decline of liquid level, and when being sealed after the vertebral body seat contacts fully, the switch that drifts along cuts out, and infuses automatically to stop when sealing ring.
The invention has the beneficial effects as follows, access just can automatically carry out aerofluxus during infusion bottle and when the liquid in infusion bottle is totally lost after with regard to the energy automatic stopping infusion, simple in structure, safe and reliable, make transfusion operation economize time power, reduced patient's misery and misgivings and nursing staff's working strength.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is floor map of the present invention.
Fig. 2 is the vertical section structural map of double lumen tube.
Fig. 3 is the vertical section structural map of switch of drifting along.
1. transfusing chamber entrances in figure, 2. discharge chamber outlet, 3. bottle plug puncture unit, 4. transfusing chamber, 5. discharge chamber, 6. transfusing chamber outlet, 7. discharge chamber entrance, 8. air chamber, 9. buoyancy cap, 10. vertebral body seat, 11. sealing ring, 12. Murphy's droppers, 13. double lumen tubes, 14. switches that drift along.
The specific embodiment
In Fig. 1, be connected 5 by transfusing chamber (4) with discharge chamber) double lumen tube (13) that forms connects and ganging up Murphy's dropper (12) and bottle plug puncture unit (3), transfusing chamber (4) is thicker than discharge chamber (5), the entrance of transfusing chamber (1) is higher than the outlet (2) of discharge chamber, the entrance of discharge chamber (7) lower than the outlet (6) of transfusing chamber, is that the pipeline that discharge chamber entrance (7) is located in Murphy's dropper (12) has a bit of stretching out.The switch that drifts along (14) that is fixed in Murphy's dropper (12) is comprised of vertebral body seat (10), the cap that drifts along (9), air chamber (8), sealing ring (11), vertebral body seat (10) is fixed in Murphy's dropper (12) lower end inner bottom surface centre, be cone, the vertebral body smooth surface.Vertebral body seat (10) centre is provided with a hollow tract, communicate with the tube for transfusion of Murphy's dropper (12) lower end, buoyancy cap (9) is worn on vertebral body seat (10) as a cap, buoyancy cap (9) profile is cylindrical, the inside is funnel-form, and smooth surface can fully closely coincide together with vertebral body seat (10), buoyancy cap (9) cap mouth (lower end) edge is fixed wtih sealing ring (11), and sealing ring (11) is an annular membrane with elasticity, softness.Sealing ring (11) can be sealed after vertebral body seat (10) contact fully.
Claims (4)
1. automatic transfusion device, the above liquid-transport pipe-line of Murphy's dropper is double lumen tube, it is characterized in that: a chamber of double lumen tube is transfusing chamber, and another chamber is discharge chamber, and transfusing chamber is thicker than discharge chamber.
2. an automatic transfusion device, be provided with the switch that drifts along in Murphy's dropper, it is characterized in that: the switch that drifts along is comprised of buoyancy cap, vertebral body seat, air chamber, sealing ring.
3. automatic transfusion device according to claim 1, it is characterized in that: the opening of transfusing chamber in bottle plug puncture unit is the entrance of liquid, opening in Murphy's dropper is the outlet of liquid, the opening of discharge chamber in bottle plug puncture unit is the outlet of air, and the opening in Murphy's dropper is the entrance of air; The entrance of transfusing chamber is higher than the entrance of discharge chamber, and the entrance of discharge chamber is lower than the outlet of transfusing chamber, and the pipeline that is discharge chamber porch in Murphy's dropper has a bit of stretching out.
4. automatic transfusion device according to claim 2, it is characterized in that: the vertebral body seat is fixed in Murphy's dropper lower end inner bottom surface centre, is cone, the vertebral body smooth surface, vertebral body seat centre is provided with a hollow tract, communicating with the tube for transfusion of Murphy's dropper lower end, is the buoyancy cap above the vertebral body seat, and the buoyancy cap is worn on the vertebral body seat as a cap, buoyancy cap profile is cylindrical, the inside is funnel-form, and smooth surface can fully closely coincide together with the vertebral body seat; Cap mouth (lower end) edge of buoyancy cap is fixed wtih sealing ring, and sealing ring is one and has elasticity, soft annular membrane, sealing ring can be sealed after the vertebral body seat contacts fully; The crown of buoyancy cap (upper end) hollow is air chamber, and air chamber provides the buoyancy cap to produce enough buoyancy in liquid, makes the buoyancy cap break away from the vertebral body seat at sealing ring when being sealed after the vertebral body seat contacts fully, opens the switch that drifts along.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103313738A CN103143076A (en) | 2012-09-10 | 2012-09-10 | Automatic infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103313738A CN103143076A (en) | 2012-09-10 | 2012-09-10 | Automatic infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103143076A true CN103143076A (en) | 2013-06-12 |
Family
ID=48541571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103313738A Pending CN103143076A (en) | 2012-09-10 | 2012-09-10 | Automatic infusion apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN103143076A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469180A (en) * | 2017-08-22 | 2017-12-15 | 丁向峰 | Easily regulation transfusion device |
| CN108478896A (en) * | 2018-04-11 | 2018-09-04 | 刘玮 | Universal decompression and central controlled medical infusion automatic decanting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6261267B1 (en) * | 1998-10-09 | 2001-07-17 | Globe Enterprises, Inc. | Automatic IV shut off valve |
| CN2753397Y (en) * | 2004-10-22 | 2006-01-25 | 陈庆强 | Lapped non-return structure Murphy's transfusion tube |
| KR20080031760A (en) * | 2006-09-21 | 2008-04-11 | 김경복 | Ooxo |
| CN201768221U (en) * | 2010-08-02 | 2011-03-23 | 王亚明 | Disposable infusion apparatus capable of being closed automatically |
| CN202044600U (en) * | 2011-04-06 | 2011-11-23 | 张孟赐 | Medical automatic exhaust venous transfusion device |
-
2012
- 2012-09-10 CN CN2012103313738A patent/CN103143076A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6261267B1 (en) * | 1998-10-09 | 2001-07-17 | Globe Enterprises, Inc. | Automatic IV shut off valve |
| CN2753397Y (en) * | 2004-10-22 | 2006-01-25 | 陈庆强 | Lapped non-return structure Murphy's transfusion tube |
| KR20080031760A (en) * | 2006-09-21 | 2008-04-11 | 김경복 | Ooxo |
| CN201768221U (en) * | 2010-08-02 | 2011-03-23 | 王亚明 | Disposable infusion apparatus capable of being closed automatically |
| CN202044600U (en) * | 2011-04-06 | 2011-11-23 | 张孟赐 | Medical automatic exhaust venous transfusion device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469180A (en) * | 2017-08-22 | 2017-12-15 | 丁向峰 | Easily regulation transfusion device |
| CN108478896A (en) * | 2018-04-11 | 2018-09-04 | 刘玮 | Universal decompression and central controlled medical infusion automatic decanting device |
| CN108478896B (en) * | 2018-04-11 | 2023-07-28 | 刘玮 | Universal type pressure-reducing and centralized-control automatic bottle changing device for medical transfusion |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130612 |