CN104524659A - Medical infusion device - Google Patents
Medical infusion device Download PDFInfo
- Publication number
- CN104524659A CN104524659A CN201410835934.7A CN201410835934A CN104524659A CN 104524659 A CN104524659 A CN 104524659A CN 201410835934 A CN201410835934 A CN 201410835934A CN 104524659 A CN104524659 A CN 104524659A
- Authority
- CN
- China
- Prior art keywords
- infusion
- hole
- liquid
- right chamber
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16822—Flow controllers by controlling air intake into infusion reservoir
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
Abstract
The invention discloses a medical infusion device which comprises a liquid storage box, a partition plate and an air guide pipe. The partition plate divides the liquid storage box into a left cavity and a right cavity. The size of the left cavity is larger than that of the right cavity. The bottom of the partition plate is provided with a communication hole. One end opening of the air guide pipe is in a funnel shape, and the air guide pipe penetrates through the partition plate. The end, with the end opening in the funnel shape, of the air guide pipe is located at the bottom of the left cavity, and the other end of the air guide pipe is located in the right cavity. The top of the left cavity is provided with a liquid adding hole, and the liquid adding hole is provided with a detachable stopper. The top of the right cavity is provided with an air inlet hole. The bottom of the right cavity is provided with an infusion hole, and the infusion hole is provided with a rubber stopper. One end of an infusion hose is provided with a bottle stopper puncturing device, and the other end is provided with a vein needle. The infusion hose is provided with a drip chamber, a flow speed adjuster and a liquid medicine filter. The bottler stopper puncturing device penetrates through the infusion hole. According to the medical infusion device, the liquid medicine can drip stably at a constant speed no matter whether the infusion speed is high or low.
Description
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of medical infusion device.
Background technology
Medical infusion bottle be for patient infusion fashionable dress the bottle of the liquid of medical configuration in defeated human body.Transfusion device be for venous transfusion through aseptic process, the common disposable medical treatment consumptive materials of setting up passage between vein and medicinal liquid.Generally connected to form by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, dropping funnel, bottle plug puncture unit, air inlet pipe, air filter.Under atmospheric pressure effect, the infusion tube that in infusion bottle, liquid runs down is thinner flows into dropping funnel, and when dropping funnel water column pressure is greater than venous pressure, the liquid runs down flexible pipe in bottle flows into vein.The sterilization effect duration of medical worker's preoperation inspection disposable transfusion device and packaging are with or without gas leakage and other exceptions, take out transfusion device, by cone joint partial insertion infusion bottle, hang infusion bottle on transfusion pole, be vented to medicinal liquid and flow to tube for transfusion lower end, fasten actuator, again intravenous needle is thrust the vein disinfected, after fixing, untie tourniquet, adjustment flow velocity.
There is following problem in existing transfusion device: first, medicinal liquid flow velocity time incipient in tube for transfusion is very fast, along with medicinal liquid flows out, fluid column in bottle is in a slight decrease, overhead gas volume slightly becomes large, pressure slightly reduces, the total pressure of bottle mouth position is made to be slightly smaller than external atmosphere pressure, air just supplements by outer atmospheric pressure from air inlet pipe press-in bottle, the pressure of bottle mouth position is made to remain essentially in an atmospheric pressure, medicinal liquid can at the uniform velocity stably be dripped, minimizing gradually not with bottle herb liquid changes again. and but when starting in bottle the pressure of gas be approximately an atmospheric pressure, the pressure of bottle mouth position is greater than an atmospheric pressure, so always drip very fast in a period of time started, easily bring discomfort to patient body.Second, when transfusion speed is very fast, the liquid level short time in infusion bottle changes greatly, because air inlet pipe is arranged on bottle plug puncture unit, the inlet channel of air inlet pipe is very thin, air just cannot be entered in infusion bottle by air inlet pipe timely and supplement, thus makes that change during the pressure at mouth of infusion bottle place instead of constant, therefore there will be the phenomenon of dripping that medicinal liquid cannot be at the uniform velocity stable.
When how to ensure transfusion, no matter transfusion speed is fast, or slowly, and medicinal liquid can both at the uniform velocity stable dripping be the technical problem of a very worth research and solution.
Summary of the invention
The technical problem to be solved in the present invention: existing transfusion device is within a period of time started, and medicinal liquid always drips very fast, cannot at the uniform velocity stable dripping, and easily brings discomfort to patient body; And when transfusion speed is very fast, also easily there is the phenomenon of dripping that medicinal liquid cannot be at the uniform velocity stable.
In order to solve above technical problem, technical scheme of the present invention is as follows: medical infusion device, comprises liquid storage box body, dividing plate, airway; Liquid storage box body is divided into left chamber, right chamber by described dividing plate; The volume of left chamber is greater than the volume of right chamber; The bottom of described dividing plate is provided with intercommunicating pore; The Single port of described airway is funnel-form, and airway is through dividing plate, and port is the bottom that funnelform one end is positioned at left chamber, and the other end is positioned at right chamber;
The top of described left chamber is provided with liquid filling hole, and described liquid filling hole is provided with detachable stopper; The top of described right chamber is provided with air inlet; The bottom of described right chamber arranges infusion hole, and described infusion hole is provided with rubber closure;
Also comprise bottle plug puncture unit, dropping funnel, flow regulator, liquid medicine filter, infusion tube, intravenous needle; One end of described infusion tube arranges bottle plug puncture unit, and the other end arranges intravenous needle; Described infusion tube is arranged dropping funnel, flow regulator, liquid medicine filter;
Described bottle plug puncture unit is through described infusion hole.
Further, the volume of described left chamber is 800 milliliters, and the volume of right chamber is 8 milliliters.
The device that liquid storage box body, dividing plate, airway form is referred to as: device for storing liquid;
The device that bottle plug puncture unit, dropping funnel, flow regulator, liquid medicine filter, infusion tube, intravenous needle form is referred to as: infusion part.
Compared with prior art, beneficial effect of the present invention: the first, the medical infusion device that the present invention proposes infuse start most very short time medicinal liquid just can at the uniform velocity stable dripping, discomfort can not be brought to patient body; The second, even if transfusion speed is very fast, medicinal liquid still can at the uniform velocity stable dripping; 3rd, infusion hole is provided with rubber closure, can ensures that bottle plug puncture unit is not fixedly connected with infusion hole like this, the words that infusion part has been gone bad can be easy to replace, and the infusion apparatus product of prior art can substitute the infusion part in the present invention; 4th, the difference of infusion part of the present invention and existing transfusion device is exactly: be provided with air inlet pipe above the bottle plug puncture unit of existing transfusion device, also air filter is provided with above air inlet pipe, air inlet pipe part and the air filter part of production of existing transfusion device are very complicated, present invention eliminates the complexity that air inlet pipe and air filter greatly reduce production technology; 5th, the Single port of airway is that funnel-form is conducive to more air and enters in left chamber, thus makes the liquid level of right chamber almost constant, almost invariable.6th, once the liquid level of right chamber is lower than the port of airway, air immediately can be entered in left chamber by airway, thus ensures the invariable of right chamber liquid level.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is existing transfusion device and infusion bottle connection diagram (existing transfusion is all adopted in this way).
Wherein, 1 is liquid filling hole; 2 is air inlets; 3 is airways; 4 is intercommunicating pores; 5 is infusion holes; 6 is bottle plug puncture units; 7 is dropping funnels; 8 is flow regulators; 9 is liquid medicine filters; 10 is intravenous needles; 12 is infusion bottles; 13 is transfusion devices.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 2, existing infusion method is all directly be inserted into by the bottle plug puncture unit of transfusion device in input bottle, at the uniform velocity stable in order to realize transfusion, existing conventional thought is all the structure updating transfusion device, the present invention breaks the normal procedure thinking, have employed device for storing liquid, is poured in device for storing liquid by the medicinal liquid in infusion bottle, no longer attention is placed on above transfusion device, but realizes the at the uniform velocity stable of transfusion by device for storing liquid.
Embodiment 1: as shown in Figure 1: medical infusion device, comprises liquid storage box body, dividing plate, airway; Liquid storage box body is divided into left chamber, right chamber by described dividing plate; The volume of left chamber is greater than the volume of right chamber; The bottom of described dividing plate is provided with intercommunicating pore; The Single port of described airway is funnel-form, and airway is through dividing plate, and port is the bottom that funnelform one end is positioned at left chamber, and the other end is positioned at right chamber; The top of described left chamber is provided with liquid filling hole, and described liquid filling hole is provided with detachable stopper; The top of described right chamber is provided with air inlet; The bottom of described right chamber arranges infusion hole, and described infusion hole is provided with rubber closure; Also comprise bottle plug puncture unit, dropping funnel, flow regulator, liquid medicine filter, infusion tube, intravenous needle; One end of described infusion tube arranges bottle plug puncture unit, and the other end arranges intravenous needle; Described infusion tube is arranged dropping funnel, flow regulator, liquid medicine filter; Described bottle plug puncture unit is through described infusion hole.
Embodiment 2: on the basis of embodiment 1, the volume of left chamber is 800 milliliters, and the volume of right chamber is 8ml.
Operation principle of the present invention: add medicinal liquid in left chamber, medicinal liquid in right chamber floods the port of airway, because the volume of right chamber is very little, therefore liquid level will soon maintain an equal level with the airway port of right chamber, once liquid level is lower than the height of the port of airway, air is just entered rapidly in left chamber by airway, the pressure located bottom left chamber can increase, at this moment the liquid in left chamber can enter into right chamber by intercommunicating pore, then right chamber liquid level is again flooded airway port and is maintained an equal level with airway port, so the liquid level of right chamber is almost always invariable, therefore the pressure at infusion hole place is invariable, also the volume due to right chamber is very little, therefore very short time is started most in transfusion, medicinal liquid just can at the uniform velocity stable dripping.Owing to being specially provided with airway and the Single port of airway is funnel-form, therefore air can be easy to enter in left chamber, even if therefore transfusion speed is very fast, the liquid level of right chamber also can keep constant.
Using method of the present invention: take off the detachable stopper that liquid filling hole is arranged, medicinal liquid is joined in left chamber, then detachable stopper is covered, bottle plug puncture unit is inserted in the rubber closure that infusion hole is arranged, at this moment the medicinal liquid in infusion tube can at the uniform velocity drip, and is then changed the speed of transfusion by flow regulator.
Claims (2)
1. medical infusion device, is characterized in that, comprises liquid storage box body, dividing plate, airway; Liquid storage box body is divided into left chamber, right chamber by described dividing plate; The volume of left chamber is greater than the volume of right chamber; The bottom of described dividing plate is provided with intercommunicating pore; The Single port of described airway is funnel-form, and airway is through dividing plate, and port is the bottom that funnelform one end is positioned at left chamber, and the other end is positioned at right chamber;
The top of described left chamber is provided with liquid filling hole, and described liquid filling hole is provided with detachable stopper; The top of described right chamber is provided with air inlet; The bottom of described right chamber arranges infusion hole, and described infusion hole is provided with rubber closure;
Also comprise bottle plug puncture unit, dropping funnel, flow regulator, liquid medicine filter, infusion tube, intravenous needle; One end of described infusion tube arranges bottle plug puncture unit, and the other end arranges intravenous needle; Described infusion tube is arranged dropping funnel, flow regulator, liquid medicine filter;
Described bottle plug puncture unit is through described infusion hole.
2. medical infusion device according to claim 1, is characterized in that, the volume of described left chamber is 800 milliliters, and the volume of right chamber is 8 milliliters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835934.7A CN104524659A (en) | 2014-12-28 | 2014-12-28 | Medical infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835934.7A CN104524659A (en) | 2014-12-28 | 2014-12-28 | Medical infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104524659A true CN104524659A (en) | 2015-04-22 |
Family
ID=52840403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410835934.7A Pending CN104524659A (en) | 2014-12-28 | 2014-12-28 | Medical infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104524659A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730135A (en) * | 2017-02-14 | 2017-05-31 | 谢媛 | Medical infusion device |
| CN106730137A (en) * | 2017-02-16 | 2017-05-31 | 谢媛 | Medical infusion device |
| CN106929414A (en) * | 2017-03-29 | 2017-07-07 | 朱郎平 | Nutrient solution constant basis feedway needed for a kind of hematopoietic stem cell expansion culture medium |
-
2014
- 2014-12-28 CN CN201410835934.7A patent/CN104524659A/en active Pending
Non-Patent Citations (4)
| Title |
|---|
| 封宇飞 等: "静脉输液技术发展沿革", 《临床药物治疗杂志》 * |
| 王宝新: "静脉输液的变革", 《中国医学报》 * |
| 王宝新: "静脉输液的变革及对发展的建议", 《中国药学杂志》 * |
| 郭进 等: "袋装输液和瓶装输液的发展及前景展望", 《现代中西医结合杂志》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730135A (en) * | 2017-02-14 | 2017-05-31 | 谢媛 | Medical infusion device |
| CN106730137A (en) * | 2017-02-16 | 2017-05-31 | 谢媛 | Medical infusion device |
| CN106929414A (en) * | 2017-03-29 | 2017-07-07 | 朱郎平 | Nutrient solution constant basis feedway needed for a kind of hematopoietic stem cell expansion culture medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |