CN104857598A - Double-scale accurate constant-speed and quantitative regulator for transfusion - Google Patents
Double-scale accurate constant-speed and quantitative regulator for transfusion Download PDFInfo
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- CN104857598A CN104857598A CN201510112553.0A CN201510112553A CN104857598A CN 104857598 A CN104857598 A CN 104857598A CN 201510112553 A CN201510112553 A CN 201510112553A CN 104857598 A CN104857598 A CN 104857598A
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- firm banking
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- rate regulation
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- 230000033228 biological regulation Effects 0.000 claims abstract description 90
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 43
- 239000012530 fluid Substances 0.000 claims description 20
- 239000003550 marker Substances 0.000 claims description 19
- 230000004308 accommodation Effects 0.000 claims description 4
- 238000001802 infusion Methods 0.000 description 16
- 230000001954 sterilising effect Effects 0.000 description 16
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 206010019280 Heart failures Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
- A61M5/141—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor with capillaries for restricting fluid flow
-
- 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
- A61M5/168—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
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- 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
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- 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
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- 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
- A61M2205/3331—Pressure; Flow
- A61M2205/3337—Controlling, regulating pressure or flow by means of a valve by-passing a pump
-
- 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
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/586—Ergonomic details therefor, e.g. specific ergonomics for left or right-handed users
Landscapes
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a double-scale accurate constant-speed and quantitative regulator for transfusion. The regulator comprises a fixed base; a liquid inlet and a liquid outlet are formed below the fixed base; a movable flow speed adjusting plate is fixed above the fixed base; a seal gasket is arranged between the fixed base and the flow speed adjusting plate; a passage communicated with the liquid inlet and the liquid outlet is formed in the seal gasket; the transfusion flow speed regulation is achieved by using passages of different pore diameters; a flow speed identification is arranged on the regulator, and comprises a dial and a corresponding flow speed indicator. According to the regulator, through the change of the liquid passage, the transfusion flow speed and flow are accurately, quickly and stably controlled, meanwhile, the transfusion flow speed and the transfusion flow are conveniently and intuitively read, the single hand operation is facilitated, the regulator meets various clinical use habits and various application environments, and the transfusion safety is ensured. When the state of an illness of a common patient deteriorates suddenly, the urgent requirement of accurate control of transfusion is quickly met, and the aid time is gained.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of flow regulator of infusing.
Background technology
Flow speed control during transfusion is very important, and rational flow velocity contributes to improving curative effect, reduces risk during transfusion.In clinical, doctor's advice has in the ordinary course of things to be assigned to drip speed, and can assign with flow during the heavier or special requirement of the state of an illness, special medication requires that flow velocity precisely arrives " dripping ".Especially, when cardiac insufficiency, child, neonate, elderly patients, critical patient are infused, if transfusion speed is too fast, enter that liquid in body is too much or drug dose is excessive the unit interval, can bring out that heart failure, blood pressure drops are too fast etc. causes patient's aggravation.If transfusion speed is excessively slow, the unit interval enter fluid low in body or drug dose very few, can cause correcting shock, blood pressure high etc.Transfusion speed and amount of infusion are not accurate, gently then delay treatment, affect patient's state of an illness and recover and add heavy patient's financial burden; Heavy then incur loss through delay rescue opportunity, cause patient's aggravation even dead.
Also have use traffic to set formula transfusion device clinically, but operator often cannot, directly by dripping fast medical order treatment, need spend certain hour to convert, delay treatment.Existing flow set formula transfusion device all adopts the method for step-less adjustment infusion channel cross section size, only be provided with several infusion flow scale markers directly simply to estimate and read, numerical value span between mark scale can be used larger, even if corresponding a certain scale carries out speed governing, still can there is certain para-position deviation and cause actual flow velocity deviation in actual fluid course and scale marker, need be estimated by operator when using non-infusion flow mark scale, but often deviation is comparatively large for estimated value clinically, causes actual flow velocity deviation larger.
The ultimate principle of existing infusion flow velocity regulator is roughly the same, and generally by extruding transfusion catheter, make it that deformation occur, the cross-sectional area changing conduit regulates flow velocity.This regulative mode is easy, can realize the step-less adjustment of flow velocity, but existence is difficult to precisive flow velocity, needs repeatedly to regulate just can reach desired value.The adjustment of the flow experience depending on operator, but not flow regulator itself more.When the accurate coutroi velocity regulation and control of needs, cannot apply.
When needs accurately control infusion flow rate, generally use infusion pump, but infusion pump price is high, unfavorable popularization and operation is too complicated, not intuitively easy, especially when the sudden turn of events of the common patient state of an illness, when costing, installation and debugging can drop into application.
Summary of the invention
The object of the present invention is to provide one can precisely, infusion flow velocity regulator intuitively.
The technical solution used in the present invention is:
The accurate constant speed quantitative actuator of a kind of transfusion double scale, actuator comprises firm banking, is fixed with movable flow rate regulation plate, is provided with inlet and liquid outlet below firm banking above firm banking; Firm banking is provided with the feed liquor major trough and fluid major trough that are connected with liquid outlet with inlet respectively, at least one major trough is provided with the speed governing groove being attached thereto logical different pore size, the interface channel that speed governing groove and sealing gasket are arranged, or sealing gasket is communicated with the interface channel that flow rate regulation plate is formed jointly;
Actuator is provided with flowrate marker, and flowrate marker is made up of graduated disc and corresponding flow rate indicator.
The accurate constant speed quantitative actuator of a kind of transfusion double scale, actuator comprises firm banking, is fixed with movable flow rate regulation plate above firm banking, and firm banking and flow rate regulation plate are respectively equipped with liquid outlet and inlet; Be provided with sealing gasket between firm banking and flow rate regulation plate, sealing gasket is provided with the through hole for being communicated with liquid outlet and inlet;
At least one in firm banking or flow rate regulation plate is provided with flow rate regulation passage, flow rate regulation passage is made up of major trough and the speed governing groove of different pore size that is communicated with major trough, major trough is connected with the liquid outlet of firm banking or the inlet of flow rate regulation plate, and the other end of speed governing groove is connected with the through hole of sealing gasket;
Actuator is provided with flowrate marker, and flowrate marker is made up of graduated disc and corresponding flow rate indicator.
Preferably, in above-mentioned actuator, speed governing groove radially extends and is distributed in major trough side, or is circular arc or the annular groove of cross-section variation.
Preferably, in above-mentioned actuator, firm banking is outward extended with positioning chassis, and flow rate regulation plate is outward extended with location Moving plate, is provided with locating piece between positioning chassis and location Moving plate.
Preferably, in above-mentioned actuator, flow rate regulation slab integral is discoid, and flow rate regulation plate is fixed in rotating shaft by its center of circle.
Preferably, in above-mentioned actuator, graduated disc is fixed on firm banking, corresponding flow rate indicator and flow rate regulation plate synchronizing moving; Or flow rate indicator is fixed on firm banking, graduated disc is fixed in flow rate regulation plate or rotating shaft.
Preferably, in above-mentioned actuator, graduated disc is provided with double scale.
Preferably, in above-mentioned actuator, the scale on graduated disc staggers mutually.
Preferably, in above-mentioned actuator, firm banking is outward extended with lower supporting plate, accommodates the pipeline being communicated with liquid outlet in lower supporting plate.
Preferably, in above-mentioned actuator, firm banking is outward extended with upper backup pad, accommodates the pipeline being communicated with inlet in upper backup pad.
Preferably, in above-mentioned actuator, between firm banking and flow rate regulation plate, be provided with cut-off screens.
Preferably, in above-mentioned actuator, firm banking inwall is provided with the buckle structure for fixed flow rate adjustable plate.
Preferably, in above-mentioned actuator, firm banking or flow rate regulation plate are provided with sealing gasket locating dowel, and sealing gasket is provided with the locating hole of corresponding sealing gasket locating dowel.
Preferably, in above-mentioned actuator, flow rate regulation plate is upwards extended with and protects edge around on graduated disc.
Preferably, in above-mentioned actuator, firm banking is outward extended with upper backup pad and lower supporting plate, upper backup pad with accommodate the pipeline being communicated with inlet and liquid outlet in lower supporting plate respectively, described location Moving plate is extended with downwards and protects edge around under positioning chassis, and the firm banking between upper backup pad and lower supporting plate protects the groove of edge under being provided with accommodation.
Preferably, in above-mentioned actuator, at least one in flow rate regulation plate and firm banking is provided with at least one sterilizing through hole.
Preferably, in above-mentioned actuator, flowrate marker is provided with flow velocity increase and decrease mark.
Preferably, in above-mentioned actuator, graduated disc is made up of transparent material.
The invention has the beneficial effects as follows:
Apparatus of the present invention, by changing the size of fluid passage, to realize the control of infusion flow rate, flow accurately and fast, stable, the simultaneously reading infusion flow rate of intuitive and convenient and infusion flow, facilitate one-handed performance, meet clinical multiple use habit, multiple applied environment, ensure infusion safety.Special in the common patient state of an illness worsens suddenly, meet transfusion fast and change the urgent need precisely controlled into, get rescue opportunity.Apparatus of the present invention, both can be applied to conventional infusion, also can be used for blood transfusion, intravenous nutrition, anesthesia pump.
Device of the present invention, structure is simple, and reliability is high.When fluid course adopts compartment groove or flow rate regulation passage to adopt compartment speed governing groove to arrange, can realize regulating the discontinuous constant speed of flow.When fluid course adopts annular groove or flow rate regulation passage to adopt annular speed governing groove to arrange, stepless constant speed can be realized and regulate, be easier to regulate flow velocity.
Device of the present invention, can carry out sterilizing easily and obtain gratifying sterilization effect, make product to be advantageously applied to medical field.
Accompanying drawing explanation
Fig. 1 is a kind of agent structure schematic diagram of apparatus of the present invention;
Fig. 2 is the top view of a kind of firm banking of apparatus of the present invention;
Fig. 3 is a kind of plan structure figure of apparatus of the present invention;
Fig. 4 is the another kind of agent structure schematic diagram of apparatus of the present invention;
Fig. 5 is the another kind of agent structure schematic diagram of apparatus of the present invention;
Fig. 6 is the plan structure schematic diagram of the another kind of flow rate regulation plate lower surface of apparatus of the present invention;
Fig. 7 is the top view of the another kind of firm banking of apparatus of the present invention;
Fig. 8 is the another kind of plan structure figure of apparatus of the present invention;
Fig. 9 is the structural representation of another kind of flow rate regulation passage.
Detailed description of the invention
With reference to the accompanying drawings, technical scheme of the present invention is further illustrated.
With reference to Fig. 1 ~ 4, the accurate constant speed quantitative actuator of a kind of transfusion double scale, comprises firm banking 1, is fixed with movable flow rate regulation plate 2 above firm banking 1, is provided with inlet 11 and liquid outlet 12 below firm banking 1;
Firm banking 1 is provided with the feed liquor major trough and fluid major trough that are connected with liquid outlet 12 with inlet 11 respectively, at least one major trough is provided with the speed governing groove 212 being attached thereto logical different pore size, the interface channel 41 that speed governing groove 212 and sealing gasket 4 are arranged, or sealing gasket 4 is communicated with the interface channel 41 that flow rate regulation plate 2 is formed jointly;
Actuator is provided with flowrate marker 3, and flowrate marker is made up of graduated disc 31 and corresponding flow rate indicator 32.
In above-mentioned actuator, the speed governing groove of major trough and different pore size forms flow rate regulation passage jointly.When speed governing groove is connected with feed liquor major trough, medicinal liquid enters feed liquor major trough by inlet, then carries out speed governing by speed governing groove, the interface channel afterwards by sealing gasket is arranged, or the interface channel that sealing gasket and flow rate regulation plate are formed jointly enters liquid outlet, realizes flow rate regulation; Similar, when speed governing groove is connected with liquid outlet, medicinal liquid enters feed liquor major trough by inlet, then the interface channel by sealing gasket is arranged, or the interface channel that sealing gasket and flow rate regulation plate are formed jointly enters speed governing groove, then enters fluid major trough, flows out from liquid outlet.Interface channel the best on sealing gasket is simple groove, also can be a duct; Also can by arranging two through holes on sealing gasket, correspondence on flow rate regulation plate, arrange groove or duct forms the final fluid course being communicated with inlet and liquid outlet.The interface channel of sealing gasket is groove, can obtain better sealing, is better selection.
With reference to Fig. 5 ~ 8, the accurate constant speed quantitative actuator of a kind of transfusion double scale, comprises firm banking 1, is fixed with movable flow rate regulation plate 2 above firm banking 1, and firm banking 1 and flow rate regulation plate 2 are respectively equipped with liquid outlet 12 and inlet 11; Be provided with sealing gasket 4 between firm banking 1 and flow rate regulation plate 2, sealing gasket 4 is provided with the through hole 41 for being communicated with liquid outlet 12 and inlet 11;
At least one in firm banking 1 or flow rate regulation plate 2 is provided with flow rate regulation passage, flow rate regulation passage is made up of major trough 211 and the speed governing groove 212 of different pore size that is communicated with major trough 211, major trough 211 is connected with the liquid outlet 12 of firm banking 1 or the inlet 11 of flow rate regulation plate 2, and the other end of speed governing groove 212 is connected with the through hole 41 of sealing gasket 4;
Actuator is provided with flowrate marker 3, and flowrate marker is made up of graduated disc 31 and corresponding flow rate indicator 32.
When flow rate regulation channel setting is in flow rate regulation plate, liquid enters major trough by inlet, enters liquid outlet successively afterwards by the through hole on speed governing groove and sealing gasket; Similar, when flow rate regulation channel setting is in firm banking, liquid enters the through hole on sealing gasket successively by inlet and enters speed governing groove, then enters major trough, flows out eventually through liquid outlet.
Preferably, in above-mentioned actuator, at least one in flow rate regulation plate 2 and firm banking 1 is provided with at least one sterilizing through hole 22, and sterilizing through hole preferably has two at least, one of them is for inputting sterilized solution (gas), and another one is for deriving into sterilized solution (gas).After assembling, sterilizing through hole is in closed state.
Preferably, in above-mentioned actuator, fluid course is groove spaced apart, or cross-sectional area continually varying at least one groove.As shown in Figure 9, the flow rate regulation passage be jointly made up of major trough and speed governing groove also can be an annular groove C1, and the cross-sectional area of this groove diminishes successively, and the cross-sectional area of the tail end C be connected with inlet or liquid outlet is maximum.When such groove rotates, the cross-sectional area between groove and outlet also changes thereupon, realizes the adjustment to flow velocity.
When fluid course be groove spaced apart or flow rate regulation passage adopt compartment speed governing groove time, groove has different apertures (cross-sectional area).Preferably, groove is radial distribution, and the length of different grooves is identical.Especially, the smallest cross-section area of adjacent groove increases successively towards a direction, as increased successively from left to right, like this when carrying out flow rate regulation, flow velocity can be made to increase in turn or reduce, conveniently regulate flow velocity; The groove at these intervals both can regulate flow velocity as fluid course separately, also can be that multiple groove common combination forms fluid course, like this can the area of more accurate regulator solution circulation road, regulates more accurately flow velocity.The cross section of groove can be rectangle, semicircle, tubulose or other shapes.
When fluid course be cross-sectional area continually varying groove or flow rate regulation passage adopt annular speed governing groove time, groove is preferably circular arc.Fluid course or annular speed governing groove also can be made up of many grooves jointly, and these grooves are the concyclic heart to each other.In this case, the cross-sectional area of fluid course is total cross-sectional area of many grooves.When groove moves, the cross-sectional area between itself and sealing gasket also changes thereupon, and then coutroi velocity.Cross-sectional area preferably increases continuously along a direction or reduces, and conveniently makes flow velocity correspondingly increase continuously or reduce.The cross section of groove can be rectangle, semicircle or other semiclosed shapes.
Preferably, in above-mentioned actuator, firm banking 1 is outward extended with positioning chassis 13, and flow rate regulation plate 2 is outward extended with location Moving plate 23, is provided with locating piece 24 between positioning chassis 13 and location Moving plate 23.
Locating piece can be the positioning convex and detent that cooperatively interact, and especially, locating piece is the hemispherical protuberances and hemispherical depression that cooperatively interact.Locating piece preferably has many groups.Whether arranging of locating piece can indicate speed governing to put in place, facilitates the setting of flow velocity, avoids making a fault when regulating, the process of impact transfusion.Arranging of locating piece can also ensure, after setting flow velocity, can not change easily, cause flow velocity to drift about.
Preferably, in above-mentioned actuator, flow rate regulation slab integral is discoid, and flow rate regulation plate is fixed in rotating shaft by its center of circle.When regulating flow velocity, flow rate regulation plate take rotating shaft as axis rotation, is relative rotation with firm banking.
Preferably, in above-mentioned actuator, graduated disc is fixed on firm banking, corresponding flow rate indicator and flow rate regulation plate synchronizing moving; Or flow rate indicator is fixed on firm banking, graduated disc is fixed in flow rate regulation plate or rotating shaft.
Preferably, in above-mentioned actuator, the scale on graduated disc is double scale.Double scale and graduated disc are provided with two graduation marks, article two, the unit of graduation mark is not identical, and if the first graduation mark 34 is flux unit ml/h, the second graduation mark 35 of offside is that flow rate " drips/min ", handled easily personnel determine flow velocity fast according to doctor's advice, reduce the time needed for manual conversion; Or the unit of two graduation marks is identical, but be mutually in staggered distribution, coordinate corresponding flow rate regulation plate like this, the precision of flow rate regulation can be improved further.
Especially, graduated disc is fan-shaped or annulus, and scale main line 36 is one or more complete or incomplete circle or ellipses, and the scale marker extended line of the first scale 34 and the second scale 35 all passes through the center of circle.Regulate direction for ease of more clearly indicating in use, graduated disc is provided with flow increase and decrease mark, and the side increased as flow or flow velocity arranges increase mark, corresponding, opposite side is set to reduce mark, as shown in Figure 3.
Preferably, in above-mentioned actuator, flowrate marker is provided with flow velocity increase and decrease mark.Flow velocity increase and decrease mark can be arranged on graduated disc, also can be arranged in flow rate indicator.
Especially, graduated disc is established scale panel, graduated disc adopts transparent design, and liquid adjusting valve is provided with graduation indication extended seat, flow rate graduation indication, coordinate with the scale marker on the scale panel of graduated disc, infusion flow rate and the infusion flow state of transfusion device are read in instruction.
Further, scale panel is provided with at least two graduation marks, and the scale of graduation mark staggers mutually; The linear module of graduation mark is identical or different; Or two graduation marks share a scale main line, the scale of two graduation marks lays respectively at the both sides of scale main line, is mutually in staggered distribution; Better, Digital ID is positioned at the not homonymy of scale main line, and the Digital ID direction of at least two is different, is dislocation arrangement.By this dislocation design, make the scale spacing on every bar graduation mark larger, facilitate accurate reading.Article two, the total scale on graduation mark is more, while facilitating accurate reading, can improve the precision of reading further.
A concrete graduated disc example is: graduated disc is fan-shaped or annulus, graduated disc is provided with two graduation marks, if a graduation mark is the first scale 34, if flux unit ml/h, being provided with another graduation mark at the first scale 34 offside is the second scale 35, if flow rate " drips/min ", handled easily personnel determine flow velocity, flow fast according to doctor's advice, reduce the time needed for manual conversion, when linear module as graduation mark is different, the Digital ID numerical value of the first scale 34 and the second scale 35 presses Drops coefficient conversion relation each other.
Preferably, in above-mentioned actuator, firm banking 1 is outward extended with upper backup pad 15 and lower supporting plate 16, and upper backup pad 15 accommodates with in lower supporting plate 16 pipeline being communicated with inlet 11 and liquid outlet 12 respectively.
Gripper shoe, when carrying out adjustment operation, can provide better support, handled easily, can make liquid inflow and outflow more smoothly simultaneously, reduces manual operation to the impact of external tube for transfusion, also can avoid the problem caused by tube for transfusion bending.
Preferably, in above-mentioned actuator, between firm banking and flow rate regulation plate, be provided with cut-off screens.The setting of cut-off screens, can limit the maximum displacement of flow rate regulation plate well, is convenient to manipulation, reduces maloperation.
Preferably, in above-mentioned actuator, firm banking 1 inwall is provided with the buckle structure 5 for fixed flow rate adjustable plate 2.
Firm banking and flow rate regulation plate can fit together by buckle structure be arranged so that very easily, avoid assembly after sterilization because inconvenience assembling causes secondary pollution.Especially, when being provided with two buckles, first sterilization assembly can be fixed on buckle together during assembling, the cavity assembling the inner formation of the semi-finished product obtained like this can be connected with liquid outlet with the inlet on firm banking, better can carry out sterilization treatment.After sterilizing, simple press can obtain finished product, contributes to reducing production difficulty, obtains sterilizing product more thoroughly.
Preferably, in above-mentioned actuator, firm banking 1 or flow rate regulation plate 2 are provided with sealing gasket locating dowel 14, and sealing gasket is provided with the locating hole of corresponding sealing gasket locating dowel.Locating dowel with there is the groove of speed-regulating function or fluid course with on one component, as speed governing groove be positioned at firm banking time, then locating dowel is arranged on flow rate regulation plate; Otherwise, as speed governing groove be positioned at flow rate regulation plate time, then locating dowel is arranged at firm banking.
Preferably, in above-mentioned actuator, flow rate regulation plate 2 is upwards extended with and protects edge 25 around on graduated disc 31.
Preferably, in above-mentioned actuator, firm banking is outward extended with upper backup pad 15 and lower supporting plate 16, upper backup pad 15 accommodates with in lower supporting plate 16 pipeline being communicated with inlet and liquid outlet respectively, location Moving plate 23 is extended with downwards and protects edge 26 13 times around positioning chassis, protects the groove of edge 26 under the firm banking 2 between upper backup pad 15 and lower supporting plate 16 is provided with accommodation.
Protect arranging when can avoid operation of edge and too much friction occurs, make Flow-rate adjustment more smooth and easy.
Preferably, in above-mentioned actuator, graduated disc is made up of transparent material.Like this, flow rate indicator can be arranged on below graduated disc, avoids rubbing between flow rate indicator and graduated disc, brings unnecessary resistance.
embodiment 1:
The accurate constant speed quantitative actuator of transfusion double scale, comprise firm banking 1, inlet 11 and liquid outlet 12 is provided with below firm banking 1, upwards fixed axis is extended with in the middle part of firm banking 1, edge is upwards extended with sidewall, fixed axis and sidewall are provided with upper and lower twice buckle 5, are fixed with movable flow rate regulation plate 2 by buckle 5; Cut-off screens and sealing gasket 4 are between firm banking 1 and flow rate regulation plate 2; Firm banking 1 is provided with the feed liquor major trough 211 and fluid major trough 213 that are connected with liquid outlet 12 with inlet 11 respectively, wherein the side radiated entends of feed liquor major trough 211 is distributed with the speed governing groove 212 of different pore size, speed governing groove 212 is connected with groove 41 one end on sealing gasket 4, and on sealing gasket, the other end of groove 41 of 4 is communicated with fluid major trough 213;
Flow rate regulation plate 2 is provided with two sterilizing through holes, and through hole is symmetrically distributed on flow rate regulation plate 2; Top buckle 5 is for tentatively fixing by flow rate regulation plate 2 before sterilization, make the cavity that between flow rate regulation plate and firm banking, formation one is larger, be convenient to make sterilizing gas or liquid fully contact each position, sterilizing is thoroughly more convenient, buckle 5 on the lower for after sterilizing completes further by pressing, make flow rate regulation plate 2 finally be fixed on firm banking 1;
Speed adjustable plate 2 is provided with multiple sealing gasket fixed leg 14, and on sealing gasket 4, correspondence is provided with corresponding through hole; Cut-off screens is the projection that firm banking and flow rate regulation panel edges cooperatively interact, and wherein firm banking is provided with two projections, and flow rate regulation plate is provided with a projection, between two projections moving range of flow rate regulation plate being limited in firm banking;
Firm banking 1 is outward extended with positioning chassis 13 and gripper shoe, and gripper shoe comprises upper backup pad 15 and lower supporting plate 16, and its purposes is conveniently to hold hands, upper backup pad 15 with accommodate the pipeline be connected with liquid outlet 12 with inlet 11 in lower supporting plate 16;
Flow rate regulation plate 2 is outward extended with location Moving plate 23, is provided with locating piece 24 between positioning chassis 13 and location Moving plate 23, and locating piece 24 is the positioning convex that cooperatively interacts and detent; Protect on the edge of location Moving plate 23 extends respectively up and down edge 25 and under protect edge 26;
The graduated disc 31 forming one of flowrate marker is fixed on the fixed axis on firm banking 1, graduated disc is made up of transparent material, for fan-shaped or circular, scale main line is one or more complete or incomplete circle or ellipses, the scale marker extended line of the first scale and the second scale all passes through the center of circle, article two, the scale of graduation mark lays respectively at the both sides of scale main line, and mutually staggering is uniformly distributed; Graduated disc 31 is provided with flow increase and decrease mark, and the side that flow or flow velocity increase is arranged increases mark, corresponding, and opposite side is set to reduce mark, is convenient in use more clearly instruction and regulates direction, its surface a little less than on protect edge 25; Flow rate indicator is positioned at protects on edge 25, rotates with the rotation of flow rate regulation plate 2 and indicates correct flow velocity; Protect the groove of edge under upper backup pad 15 and lower supporting plate 16 are provided with accommodation, the plane at positioning chassis 13 place a little more than under protect the plane at edge 26 lowest part place, avoid the rotation affecting flow rate regulation plate 2.
embodiment 2:
With reference to Fig. 5 ~ 8, the structure of actuator is substantially with embodiment 1, and what difference was flow rate regulation realizes different, and the setting of gripper shoe is also had some change accordingly:
Flow rate regulation plate 2 is provided with inlet 11, firm banking 1 is provided with liquid outlet 12, flow rate regulation plate 2 is provided with flow rate regulation passage, flow rate regulation passage is made up of major trough 211 and the speed governing groove 212 of different pore size that is communicated with major trough, major trough 211 is connected with inlet 11, speed governing groove 212 other end is communicated with the through hole on sealing gasket 4, and on sealing gasket 4, the other end of through hole is communicated with the liquid outlet 12 of firm banking 1, and the locating dowel 14 that sealing gasket 4 is arranged by firm banking 1 is fixed on firm banking 1.
Similar, flow rate regulation passage also can be arranged on firm banking, and the annexation of each passage is similar to be changed.
Claims (9)
1. the accurate constant speed quantitative actuator of transfusion double scale, is characterized in that: described actuator comprises firm banking, is fixed with movable flow rate regulation plate, is provided with inlet and liquid outlet below firm banking above firm banking;
Firm banking is provided with the feed liquor major trough and fluid major trough that are connected with liquid outlet with inlet respectively, and at least one major trough is provided with the speed governing groove being attached thereto logical different pore size;
The interface channel that speed governing groove and sealing gasket are arranged, or sealing gasket is communicated with the interface channel that flow rate regulation plate is formed jointly;
Actuator is provided with flowrate marker, and flowrate marker is made up of graduated disc and corresponding flow rate indicator.
2. the accurate constant speed quantitative actuator of transfusion double scale, is characterized in that: described actuator comprises firm banking, is fixed with movable flow rate regulation plate above firm banking, and firm banking and flow rate regulation plate are respectively equipped with liquid outlet and inlet; Be provided with sealing gasket between firm banking and flow rate regulation plate, sealing gasket is provided with the through hole for being communicated with liquid outlet and inlet;
At least one in firm banking or flow rate regulation plate is provided with flow rate regulation passage, flow rate regulation passage is made up of major trough and the speed governing groove of different pore size that is communicated with major trough, major trough is connected with the liquid outlet of firm banking or the inlet of flow rate regulation plate, and the other end of speed governing groove is connected with the through hole on sealing gasket;
Actuator is provided with flowrate marker, and flowrate marker is made up of graduated disc and corresponding flow rate indicator.
3. the accurate constant speed quantitative actuator of a kind of transfusion double scale according to claim 1 and 2, is characterized in that: described speed governing groove radially extends and is distributed in major trough side, or is circular arc or the annular groove of cross-section variation.
4. the accurate constant speed quantitative actuator of one transfusion double scale according to claim 1 or 2, is characterized in that: described graduated disc is provided with double scale.
5. the accurate constant speed quantitative actuator of one transfusion double scale according to Claims 1 to 4 any one, is characterized in that: described firm banking is outward extended with lower supporting plate, accommodates the pipeline being communicated with liquid outlet in lower supporting plate.
6. the accurate constant speed quantitative actuator of one transfusion double scale according to claim 1,3 ~ 5 any one, is characterized in that: described firm banking is outward extended with upper backup pad, accommodates the pipeline being communicated with inlet in upper backup pad.
7. the accurate constant speed quantitative actuator of one transfusion double scale according to claim 1 ~ 6 any one, it is characterized in that: firm banking or flow rate regulation plate are provided with sealing gasket locating dowel, sealing gasket is provided with the locating hole of corresponding sealing gasket locating dowel.
8. the accurate constant speed quantitative actuator of one transfusion double scale according to claim 4 ~ 7 any one, is characterized in that: the scale on described graduated disc staggers mutually.
9. the accurate constant speed quantitative actuator of one transfusion double scale according to claim 1,3 ~ 8 any one, it is characterized in that: described firm banking is outward extended with upper backup pad and lower supporting plate, upper backup pad with accommodate the pipeline being communicated with inlet and liquid outlet in lower supporting plate respectively, described location Moving plate is extended with downwards and protects edge around under positioning chassis, and the firm banking between upper backup pad and lower supporting plate protects the groove of edge under being provided with accommodation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112553.0A CN104857598B (en) | 2014-03-17 | 2015-03-13 | A kind of accurate constant speed quantitative adjuster of transfusion double scale |
| TW104122335A TW201609212A (en) | 2014-09-01 | 2015-07-09 | Double-scale accurate constant-speed quantitative regulator for infusion |
Applications Claiming Priority (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097175 | 2014-03-17 | ||
| CN2014100971759 | 2014-03-17 | ||
| CN2014101474734 | 2014-04-14 | ||
| CN201410147473 | 2014-04-14 | ||
| CN2014107324641 | 2014-12-06 | ||
| CN201410732464.1A CN104383623A (en) | 2014-12-06 | 2014-12-06 | Flow rate setting type regulator |
| CN201510045554 | 2015-01-29 | ||
| CN2015100455548 | 2015-01-29 | ||
| CN2015100716162 | 2015-02-11 | ||
| CN201510071616 | 2015-02-11 | ||
| CN2015100737900 | 2015-02-12 | ||
| CN201510073790 | 2015-02-12 | ||
| CN201510112553.0A CN104857598B (en) | 2014-03-17 | 2015-03-13 | A kind of accurate constant speed quantitative adjuster of transfusion double scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104857598A true CN104857598A (en) | 2015-08-26 |
| CN104857598B CN104857598B (en) | 2017-11-17 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520146540.0U Expired - Fee Related CN204563162U (en) | 2014-03-17 | 2015-03-13 | The accurate constant speed quantitative actuator of a kind of transfusion double scale |
| CN201510112553.0A Expired - Fee Related CN104857598B (en) | 2014-03-17 | 2015-03-13 | A kind of accurate constant speed quantitative adjuster of transfusion double scale |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520146540.0U Expired - Fee Related CN204563162U (en) | 2014-03-17 | 2015-03-13 | The accurate constant speed quantitative actuator of a kind of transfusion double scale |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN204563162U (en) |
| WO (1) | WO2015139573A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955387A (en) * | 2017-03-20 | 2017-07-18 | 段书霞 | A kind of anesthesia outfit |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015139573A1 (en) * | 2014-03-17 | 2015-09-24 | 胡绍勤 | Double scale, precise, fixed speed and quantitative regulator for infusion |
| CN108607131B (en) * | 2018-04-27 | 2024-01-30 | 苏州科技城医院 | Precise infusion tube |
| CN114129814B (en) * | 2021-12-14 | 2023-06-23 | 北京信息科技大学 | Method for controlling infusion precision of infusion apparatus for pump |
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| CN204033937U (en) * | 2014-03-17 | 2014-12-24 | 胡绍勤 | The accurate constant speed quantitative actuator of transfusion double scale |
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2015
- 2015-03-12 WO PCT/CN2015/074056 patent/WO2015139573A1/en active Application Filing
- 2015-03-13 CN CN201520146540.0U patent/CN204563162U/en not_active Expired - Fee Related
- 2015-03-13 CN CN201510112553.0A patent/CN104857598B/en not_active Expired - Fee Related
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| US3785378A (en) * | 1972-04-06 | 1974-01-15 | C Stewart | Flow control valve for intravenous fluids |
| US4802506A (en) * | 1984-07-13 | 1989-02-07 | Aslanian Jerry L | Flow control device for administration of intravenous fluids |
| CN1907510A (en) * | 2005-06-09 | 2007-02-07 | 伯尔拉工业有限公司 | Flow regulator for medical liquids and method for its fabrication |
| CN201094782Y (en) * | 2007-09-17 | 2008-08-06 | 佛山特种医用导管有限责任公司 | Infusion flow adjuster and liquid controlling valve thereof |
| CN202036624U (en) * | 2011-04-16 | 2011-11-16 | 广州中医药大学 | Flow control device of vein infusion apparatus with stable flow |
| CN204563162U (en) * | 2014-03-17 | 2015-08-19 | 胡绍勤 | The accurate constant speed quantitative actuator of a kind of transfusion double scale |
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| CN106955387A (en) * | 2017-03-20 | 2017-07-18 | 段书霞 | A kind of anesthesia outfit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204563162U (en) | 2015-08-19 |
| WO2015139573A1 (en) | 2015-09-24 |
| CN104857598B (en) | 2017-11-17 |
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