CN1448190A - Controller for transfusion device - Google Patents
Controller for transfusion device Download PDFInfo
- Publication number
- CN1448190A CN1448190A CN 02110239 CN02110239A CN1448190A CN 1448190 A CN1448190 A CN 1448190A CN 02110239 CN02110239 CN 02110239 CN 02110239 A CN02110239 A CN 02110239A CN 1448190 A CN1448190 A CN 1448190A
- Authority
- CN
- China
- Prior art keywords
- level detection
- detection switch
- liquid level
- gauge tap
- vertical tube
- 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
Links
Images
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
- 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
-
- 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
- A61M5/1414—Hanging-up devices
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3382—Upper level detectors
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3386—Low level detectors
Abstract
The infusion controller includes control instrument, high liquid level detection switch, low liquid level detection switch, inlet control switch and outlet control switch. The inlet control switch is connected via wire to the high liquid level detection switch, the outlet control switch is connected via wire to the low liquid level detection switch, and the control instrument is connected via wire to the high liquid level detection switch and the low liquid level detection switch. The T-pipe between the infusion device bottle plug and the funnel has one vertical tube connected to a vertical air filter. The present invention can be used for the accurate metering of liquid medicine and convenient regulation of the liquid medicine flow rate and can close infusion automatically when the liquid medicine is to be exhausted to avoid air entering to the blood vessel of the patient.
Description
Affiliated technical field
The invention belongs to disposable medical use, gravity liquid infusing type controller for transfusion device.
Background technology
At present, existing disposable infusion set, as the State Standard of the People's Republic of China: the size of the disposable infusion set medicinal liquid flow of stipulating among the GB8368-1998 depends on the speed of dripping of dropper place medicinal liquid, promptly the unit interval inner liquid medicine drips number.When regulating flow regulator, on one side will see stopwatch, drip number Yi Bian number, it is comparatively loaded down with trivial details to operate.Because the transfusion of this kind disposable infusion set is to lean on the action of gravity of medicinal liquid to realize, when patient moves health, when causing that the vertical dimension between the liquid level changes in transfusion needle and the infusion bottle, the perpendicular differential pressure that medicinal liquid produces will change, the dripping speed and will be affected of medicinal liquid.In addition, even for a promptly fixed disposable infusion set, to be subjected to the influence of the factor such as temperature, density, viscosity, flow velocity of medicinal liquid from the actual volume of the effusive every drops physic liquor of dropper, different conditions, the actual volume difference of every drops physic liquor.When being totally lost, medical personnel or families of patients must stop transfusion to this kind disposable infusion set as early as possible at medicinal liquid, otherwise the medicinal liquid back air of all being totally lost can have influence on patient's life security followed by entering patient's blood vessel when serious.Total the above, present disposable infusion set is both to have operated loaded down with trivial detailsly, can not accomplish the accurate metering to medicinal liquid again.
Summary of the invention
The object of the present invention is to provide factor affecting such as a kind of temperature, density, viscosity, flow velocity and medicinal liquid perpendicular differential pressure that is not subjected to medicinal liquid and regulate flow arbitrarily and realize accurately metering, simultaneously, can close the novel transfusion device control device of transfusion when being totally lost again automatically at medicinal liquid.
The present invention realizes by following form:
Controller for transfusion device comprises control instrument, high Level Detection switch, low Level Detection switch, flows into gauge tap, flows out gauge tap; Flow into gauge tap and link to each other with high Level Detection switch by lead, flow out gauge tap and link to each other with low Level Detection switch by lead, control instrument links to each other with low Level Detection switch with high Level Detection switch respectively by lead; Connect a tee T on the conduit between transfusion device bottle plug puncture unit and funnel, the centre of tee T is communicated with the VERTICAL TUBE air filter by VERTICAL TUBE to the upper end, and VERTICAL TUBE is fixed on high Level Detection switch and low Level Detection switch place; Inflow catheter is clipped in and flows on the gauge tap, flows out vessel clamp and is flowing out on the gauge tap.
The present invention finishes periodic process one by one by flowing into gauge tap and flowing out the gauge tap coordination, thereby realizes the accurate metering of transfusion device.
The invention has the beneficial effects as follows that one can not be subjected to the influence of factors such as fluid temperature, density, viscosity, flow velocity and patient activity health and realizes the accurate metering of medicinal liquid; The 2nd, owing to adopted control instrument, can directly show medicinal liquid flow, and can very simply must regulate arbitrarily medicinal liquid flow; The 3rd, owing to adopted high Level Detection switch, low Level Detection switch, flow into gauge tap and flowed out gauge tap, can close transfusion at medicinal liquid automatically when having flowed, so can avoid the air admission patient's blood vessel, greatly reduce the psychological burden of medical personnel and families of patients; The 4th, because overall structure is simple, so have low cost of manufacture, be suitable for the characteristics that popularize.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing 1 is a structural representation of the present invention.
Accompanying drawing 2 is the connection figure of control system of the present invention.
In the accompanying drawing, 1 is bottle plug puncture unit, and 2 is inflow catheter, 3 for flowing out conduit, and 4 is flow regulator, and 5 is funnel, 6 for flowing into gauge tap, and 7 is control instrument, 8 VERTICAL TUBE air filters, 9 is VERTICAL TUBE, 10 is high Level Detection switch, and 11 is the instrument control chamber, and 12 are low Level Detection switch, 13 for flowing out gauge tap, and 14 is tee T.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail:
Use when of the present invention, the VERTICAL TUBE 9 of transfusion device is fixed on high Level Detection switch 10 and low Level Detection switch 12 places successively, inflow catheter 2 is clipped in flows on the gauge tap 6, flow out conduit 3 and be clipped in and flow out on the gauge tap 13.Bottle plug puncture unit 1 is inserted in the infusion bottle, open and regulate control instrument 7, such as, the actual flow that make medicinal liquid is 3.90ml/min, then regulates control instrument 7, making its show value is 3.90ml/min.After regulating, the concrete action of controller for transfusion device is as follows: the course of action of control instrument 7 is divided into inlet time and two stages of delivery time, in the inlet time section, control instrument 7 opens inflow gauge tap 6 by high Level Detection switch 10, medicinal liquid enters VERTICAL TUBE 9 by infusion bottle through bottle plug puncture unit 1, inflow catheter 2, tee T 14, when the liquid level in the VERTICAL TUBE 9 arrives the position of high Level Detection switch 10, high Level Detection switch 10 actions, disconnecting circuit, inflow gauge tap 6 cuts out, and the medicinal liquid in the infusion bottle stops to flow into; After inlet time, section finished, enter the delivery time section, in the delivery time section, control instrument 7 opens outflow gauge tap 13 by low Level Detection switch 12, medicinal liquid in the VERTICAL TUBE 9 is through tee T 14, flowing out conduit 3 flows out, when the liquid level in the VERTICAL TUBE 9 drops to the position of low Level Detection switch 12, low Level Detection switch 12 actions, disconnecting circuit cuts out outflow gauge tap 13, and the medicinal liquids in the VERTICAL TUBE 9 stop to flow out, after the delivery time section is finished, action in the one-period of this device is all finished, this device reciprocation cycle action then, thus finish work process of the present invention.In an action cycle of control instrument 7, flowing into the amount of liquid medicine of VERTICAL TUBE 9 and the amount of liquid medicine of outflow VERTICAL TUBE 9 equates, amount of liquid medicine between promptly low Level Detection switch 12 and the high Level Detection switch 10 in the VERTICAL TUBE 9, so, the influence of only controlled instrument 7 operating frequencies of medicinal liquid flow of the present invention can not be subjected to the influence of factors such as fluid temperature, density, viscosity, flow velocity and patient activity health and realizes the accurate metering of medicinal liquid.When the liquid level in the VERTICAL TUBE 9 drops to the position of low Level Detection switch 12, low Level Detection switch 12 actions, disconnecting circuit, make and flow out gauge tap 13 and close, the medicinal liquids in the VERTICAL TUBE 9 stop to flow out, so when the medicinal liquid in the infusion bottle is approaching when having flowed, under the effect of low Level Detection switch 12, flow out gauge tap 13 and can be in closed condition all the time, 9 liquid level will maintain low Level Detection switch 12 places in the VERTICAL TUBE, has prevented in the air admission patient's blood vessel.
Claims (2)
1. a controller for transfusion device is characterized in that comprising control instrument, high Level Detection switch, low Level Detection switch, flows into gauge tap, flows out gauge tap; Flow into gauge tap and link to each other with high Level Detection switch, flow out gauge tap and link to each other with low Level Detection switch by lead by lead; Control instrument links to each other with low Level Detection switch with high Level Detection switch respectively by lead; A tee T is arranged on the conduit between transfusion device bottle plug puncture unit and funnel, and the centre of tee T is communicated with the VERTICAL TUBE air filter by VERTICAL TUBE to the upper end.
2. a kind of controller for transfusion device as claimed in claim 1 is characterized in that: flow regulator is placed on and flows out on the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02110239 CN1448190A (en) | 2002-03-28 | 2002-03-28 | Controller for transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02110239 CN1448190A (en) | 2002-03-28 | 2002-03-28 | Controller for transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1448190A true CN1448190A (en) | 2003-10-15 |
Family
ID=28680459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02110239 Pending CN1448190A (en) | 2002-03-28 | 2002-03-28 | Controller for transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1448190A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521538A (en) * | 2014-10-20 | 2016-04-27 | 贝克顿·迪金森控股私人有限公司 | Vein flow regulator |
-
2002
- 2002-03-28 CN CN 02110239 patent/CN1448190A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521538A (en) * | 2014-10-20 | 2016-04-27 | 贝克顿·迪金森控股私人有限公司 | Vein flow regulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102688533B (en) | Self-stopping type accurate filtering transfusion apparatus capable of preventing blood return | |
| CN102631733A (en) | Automatic exhaust and liquid stop and anti-blood backflow high-speed precision intelligent security infusion set | |
| CN104117109B (en) | A kind of automatic decanting infusion apparatus based on law of buoyancy | |
| CN1186102C (en) | Monitoring and therapeutic apparatus for draining and displacing cerebrospinal fluid and pressurizing | |
| CN102671252A (en) | Full automatic infusion set | |
| CN104288857A (en) | Medical infusion device | |
| CN204121505U (en) | A kind ofly change a bottle transfusion device device based on law of buoyancy | |
| CN1448190A (en) | Controller for transfusion device | |
| CN203525089U (en) | Liquid-stopping-bag-type infusion apparatus capable of automatically exhausting air and stopping liquid | |
| CN208974803U (en) | A kind of precisely fine tuning infusion apparatus | |
| CN201399134Y (en) | Dropping-funnel and filter integrated precise-filtering transfusion device | |
| CN206081191U (en) | Automatic trade a bag transfusion system | |
| CN203555999U (en) | Safe and intelligent double-security infusion apparatus | |
| CN208741635U (en) | Two-tube infusion apparatus | |
| CN202128777U (en) | Disposable safety transfusion device | |
| CN209575400U (en) | It is a kind of can changing liquid automatically gravity type Multi-way transfusion apparatus | |
| CN101229403B (en) | Murphy's burette | |
| CN2721106Y (en) | Multifunctional infusion apparatus | |
| CN202682449U (en) | Infusion device | |
| CN204951842U (en) | A dropping funnel for on transfusion system | |
| CN209529815U (en) | A kind of disposable automatic liquid-stopping precision infusion set | |
| CN2602772Y (en) | Transfusion flow controller | |
| CN1586651A (en) | Automatic controller for medical transfusion system | |
| CN209316683U (en) | A kind of new type of safe prompting type infusion set | |
| CN213312406U (en) | Disposable automatic exhaust and liquid-stop infusion apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |