CN106512138A - Dual-valve purification vein infusion device provided with filtering elastic valve and elastic buoyant valve - Google Patents

Dual-valve purification vein infusion device provided with filtering elastic valve and elastic buoyant valve Download PDF

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Publication number
CN106512138A
CN106512138A CN201611262319.7A CN201611262319A CN106512138A CN 106512138 A CN106512138 A CN 106512138A CN 201611262319 A CN201611262319 A CN 201611262319A CN 106512138 A CN106512138 A CN 106512138A
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CN
China
Prior art keywords
valve
elastic
transfusion
elastic force
spring
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Application number
CN201611262319.7A
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Chinese (zh)
Inventor
李云龙
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Individual
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Individual
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Priority to CN201611262319.7A priority Critical patent/CN106512138A/en
Publication of CN106512138A publication Critical patent/CN106512138A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16804Flow controllers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16877Adjusting flow; Devices for setting a flow rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16877Adjusting flow; Devices for setting a flow rate
    • A61M5/16881Regulating valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36Devices 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
    • A61M5/40Devices 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 using low-level float-valve to cut off media flow from reservoir
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/75General characteristics of the apparatus with filters

Abstract

The invention provides a dual-valve purification vein infusion device provided with a filtering elastic valve and an elastic buoyant valve. An upper infusion tube is arranged on the outer upper end of the outer housing of a drip cup, a puncture needle is arranged on the upper end of the upper infusion tube, an elastic valve cylinder connected to an elastic valve base is arranged in the outer housing of the drip cup, a dripping tube observing infusion speed is arranged on the inner upper end of the elastic valve cylinder, the elastic valve base is arranged on the upper middle portion of the elastic valve cylinder, an elastic valve liquid inlet hole is formed in the middle part of the elastic valve base, and a cone gear-shaped elastic valve is arranged on the lower end of the elastic valve liquid inlet hole. The elastic valve base, a cross base and the elastic valve cylinder are cast integrally to form an elastic filtering and purification combination, the elastic filtering and purification combination is fixedly arranged in the drip cup and fixed integrally with the drip cup, and a lower infusion tube is arranged on the lower end of the drip cup. When the vein infusion device is used, a seal film is uncovered, and a scalp intravenous needle is connected to and arranged on the inner end of an infusion connector with screw threads, so that infusion is achieved.

Description

It is a kind of to be provided with the bivalve purification intravenous transfusion device for filtering elastic valve and playing formula floating valve
Technical field
The present invention relates to a kind of intravenous transfusion device, is specifically that one kind is provided with drainage screen and elastic force valve gear and bullet formula is floating The bivalve purification intravenous transfusion device of power valve.
Background technology
Intravenous transfusion device is the visual plant of clinical treatment, has played main effect, mesh to the treatment and rehabilitation of patient The front intravenous transfusion device for using suffers from the drawback that in Clinical practice that due to structure and the defect of design one is transfusion outpatient side During sleeping or transfusion limb elevation, the blood reflux phenomenon in infusion needle is easily caused;Two be transfusion when, as run in infusion bottle Medicinal liquid drip light, not in time change infusion bottle when, in dropper will air inlet or blood reflux, when change again infusion bottle continue it is defeated During liquid, the air in tube for transfusion will be entered in human vas, and the rehabilitation for giving people body is adversely affected;Three is due to using Murphy's transfusion device drop kettle in be not provided with drainage screen, before transfusion, by nurse in advance to adding medicine in transfusion bottle when, it is difficult Exempt to have in other drugs impurity or antibacterial, cell entry infusion bottle, human body is input into by transfusion device, also can cause wound to patient Evil.
The content of the invention
Therefore, people are present greatly to being provided with filter screen and elastic force valve gear and playing the purification intravenous transfusion device of formula floating valve Expect and demand.Up to now, it has not been found that with regard to the relevant report of the present invention, the present inventor is tried through research repeatedly Test, successfully develop finally and be provided with the bivalve intravenous transfusion device for filtering elastic valve and elastic buoyancy valve gear, so as to complete The present invention.
It is an object of the invention to provide a kind of, to be provided with the bivalve purification vein with elastic force valve gear and floating valve is filtered defeated Liquid device, to solve the problems, such as backflowing without filter screen and blood flow for Murphy's transfusion device.
The solution of the present invention include dripping kettle, bevel gear shape elastic valve, elastic force valve seat, elastic force valve cylinder, drop keyholed back plate, it is upper, Lower tube for transfusion, transfusion union joint and scalp intravenous needle, which is structurally characterized in that described drop kettle is the transparent outer of a cylindrical, hollow Housing, the outer upper end of shell body are provided with upper tubing, and the upper end of upper tubing is provided with puncture needle, is provided with and bullet in drop kettle shell body The elastic force valve cylinder that power valve seat is connected, the interior upper end of elastic force valve cylinder are provided with the drop keyholed back plate of observation transfusion drip speed speed, elastic force valve cylinder Upper middle part be provided with elastic force valve seat, be provided with elastic valve inlet opening in the middle part of elastic force valve seat, the lower end of elastic valve inlet opening is provided with circle Conical tooth colyliform elastic valve, is provided with guide cylinder on the outside of elastic valve, the circumference of upper guide cylinder is provided with liquid outlet, elastic valve Bottom is provided with upper flange, and the lower end of upper flange is provided with spring, and the lower middle part of elastic force valve cylinder is provided with cross base, cross base Filter screen is provided with inside, the middle upper end of cross base is provided with spring base, and the lower end of spring is arranged on the spring base of cross upper end, Described elastic force valve seat, cross base and elastic force valve cylinder are cast as one, and are combined into elastic force filtration, purification association, the elastic force Filtration, purification association is fixedly installed in drop kettle, is fixed as one with drop kettle, and the lower end for dripping kettle is provided with lower tube for transfusion, lower transfusion The lower end of pipe is provided with transfusion union joint, and union joint of infusing is sealed in the outer end of lower tube for transfusion, is provided with the pipeline of union joint of infusing Lower buoyancy valve rod, the lower end of lower buoyancy valve rod are provided with lower bevel gear shape bullet formula floating valve, the lower buoyancy valve rod and lower circle Conical tooth colyliform bullet formula floating valve is cast as one, and is provided with lower guide cylinder, sets on the circumference of lower guide cylinder on the outside of lower buoyancy valve body There is liquid outlet, flow out for liquid and be oriented to and control elastic limit, the lower tube for transfusion of plane upper end on gear-like bullet formula floating valve Lower buoyancy valve seat is provided with mouthful, and the upper end for playing formula floating valve is provided with spring, and spring upper end is fixed on lower buoyancy seating spring groove Interior upper end, lower guide cylinder, lower bevel gear shape bullet formula floating valve and spring and valve seat combination into down spring buoyancy control valve, under Elastic force buoyancy control valve is arranged in transfusion union joint, is provided with female thread, bottom and is provided with sealed thin on the inside of lower transfusion union joint Film, the lower end of sealing film are provided with standby scalp intravenous needle, and the upper end of scalp intravenous needle is provided with external screw thread.During use, open Sealing film, can transfusion installed in the inner of transfusion union joint with threaded connection by scalp intravenous needle.
During transfusion, by the puncture needle insertion transfusion bottle of transfusion device upper end, the medicinal liquid in transfusion bottle is along upper tubing Into in drop kettle, in the presence of atmospheric pressure and liquid head pressure, liquid washes the gear-like elastic valve of lower end in drop kettle open will Spring-compressed, down through entering in lower liquid-transport pipe-line after strainer filtering purification, the liquid for flowing downwardly into washes transfusion union joint again open Interior lower bevel gear shape bullet formula floating valve, flows in the vein blood vessel of patient along scalp vein needle tract.Work as transfusion bottle When interior medicinal liquid drips light, the bevel gear shape elastic valve in kettle is dripped under the elastic force effect of spring, inlet opening is blocked in upper shifting, and Liquid-transport pipe-line is closed, makes the fluid in lower liquid-transport pipe-line stop flowing downward.The lower conical tooth infused in union joint simultaneously On colyliform bullet formula floating valve, plane floats in the presence of spring retraction force and blocks tube for transfusion liquid outlet, and liquid outlet is sealed Close, prevent blood from backflowing to tube for transfusion, then can safety etc. next bottle of infusion vessel to be replaced continue transfusion.Described On lower conical gear-like bullet formula floating valve, plane and liquid outlet are combined into new fluid control device, during transfusion, medicinal liquid by Liquid outlet flows out the space of Jing floating valves upper end and the space in gear grooved is flowed out, you can guarantees the smooth of transfusion, can prevent again Blood backflows.
This has simple structure, designs ingenious, and processing cost is low, and using safety, effect is obvious.
It is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is cross base and filter structure schematic diagram.
Specific embodiment
The drop kettle 9 illustrated in Fig. 1-2 is the transparent outer cover body of a cylindrical, hollow, and the outer upper end of shell body is provided with defeated Liquid pipe 18, the upper end of upper tubing are provided with puncture needle 19, are provided with the elastic force valve cylinder being connected with elastic force valve seat in drop kettle shell body 16, the interior upper end of elastic force valve cylinder 16 is provided with the drop keyholed back plate 17 of observation transfusion drip speed speed, and the upper middle part of elastic force valve cylinder is provided with elastic force Valve seat 15, is provided with elastic valve inlet opening in the middle part of elastic force valve seat, the lower end of elastic valve inlet opening is provided with bevel gear shape elastic force Valve 13, is provided with guide cylinder 23 on the outside of elastic valve, the circumference of upper guide cylinder is provided with liquid outlet, and the bottom of elastic valve is provided with Flange, the lower end of upper flange are provided with spring 14, and the lower middle part of elastic force valve cylinder is provided with cross base 11, is provided with cross base Filter screen 10, the middle upper end of cross base are provided with spring base 12, and the lower end of spring 14 is arranged on the spring base of cross upper end, Described elastic force valve seat 15, cross base 11 are cast as one with elastic force valve cylinder 16, are combined into elastic force filtration, purification association, institute State elastic force filtration, purification association to be fixedly installed in drop kettle, be fixed as one with drop kettle, the lower end for dripping kettle is provided with lower tube for transfusion 8, the lower end of lower tube for transfusion is provided with transfusion union joint 7, and union joint of infusing is sealed in the outer end of lower tube for transfusion, the pipe of union joint of infusing Lower buoyancy valve rod 6 is provided with road, and the lower end of lower buoyancy valve rod is provided with lower bevel gear shape bullet formula floating valve 5, the lower buoyancy Valve rod is cast as one with lower bevel gear shape bullet formula floating valve, is provided with lower guide cylinder 22, lower guiding on the outside of lower buoyancy valve body The circumference of cylinder is provided with liquid outlet, is provided with lower buoyancy valve seat on gear-like bullet formula floating valve in the lower tubing port of plane upper end 20, the upper end for playing formula floating valve is provided with spring 21, and upper end in lower 20 spring groove of buoyancy valve seat is fixed in 21 upper end of spring, under Guide cylinder, lower bevel gear shape bullet formula floating valve and spring and valve seat combination are into down spring buoyancy control valve, down spring buoyancy Control valve is arranged in transfusion union joint, the outside of the lower tube for transfusion 8 that lower guide cylinder 22 is fixed in lower transfusion pipe connector 7, Female thread 4, bottom is provided with the inside of lower transfusion union joint and is provided with sealing film 3, the lower end of sealing film is provided with standby scalp Intravenous needle 1, the upper end of scalp intravenous needle are provided with external screw thread 2.

Claims (4)

1. it is a kind of to be provided with the bivalve purification intravenous transfusion device for filtering elastic valve and playing formula floating valve, including drop kettle, bevel gear Shape elastic valve, elastic force valve seat, elastic force valve cylinder, drop keyholed back plate, upper and lower tube for transfusion, transfusion union joint and scalp intravenous needle, its feature exist In:The drop kettle(9)It is the transparent outer cover body of a cylindrical, hollow, the outer upper end of shell body is provided with upper tubing(18), on The upper end of tube for transfusion is provided with puncture needle(19), the elastic force valve cylinder being connected with elastic force valve seat is provided with drop kettle shell body(16), bullet Power valve cylinder(16)Interior upper end be provided with observation transfusion drip speed speed drop keyholed back plate(17), the upper middle part of elastic force valve cylinder is provided with elastic valve Seat(15), elastic valve inlet opening is provided with the middle part of elastic force valve seat, the lower end of elastic valve inlet opening is provided with bevel gear shape elastic force Valve(13), on the outside of elastic valve, it is provided with guide cylinder(23), the circumference of upper guide cylinder is provided with liquid outlet, and the bottom of elastic valve sets The lower end for having upper flange, upper flange is provided with spring(14), the lower middle part of elastic force valve cylinder is provided with cross base(11), cross bottom Filter screen is provided with seat(10), the middle upper end of cross base is provided with spring base(12), spring(14)Lower end be arranged on cross On the spring base of upper end.
2. according to claim 1 to be provided with the bivalve purification intravenous transfusion device for filtering elastic valve and playing formula floating valve, which is special Levy and be:Described elastic force valve seat(15), cross base(11)With elastic force valve cylinder(16)It is cast as one, is combined into elastic force filtration Purification association, the elastic force filtration, purification association are fixedly installed in drop kettle, are fixed as one with drop kettle, are dripped the lower end of kettle It is provided with lower tube for transfusion(8), the lower end of lower tube for transfusion is provided with transfusion union joint(7).
3. according to claim 2 to be provided with the bivalve purification intravenous transfusion device for filtering elastic valve and playing formula floating valve, which is special Levy and be:The transfusion union joint is sealed in the outer end of lower tube for transfusion, is provided with lower buoyancy valve rod in the pipeline of union joint of infusing (6), the lower end of lower buoyancy valve rod is provided with lower bevel gear shape bullet formula floating valve(5), the lower buoyancy valve rod and lower cone Gear-like bullet formula floating valve is cast as one, and is provided with lower guide cylinder on the outside of lower buoyancy valve body(22), set on the circumference of lower guide cylinder There is liquid outlet, on gear-like bullet formula floating valve, in the lower tubing port of plane upper end, be provided with lower buoyancy valve seat(20), play formula buoyancy The upper end of valve is provided with spring(21), spring(21)Upper end be fixed on lower buoyancy valve seat(20)Upper end in spring groove, lower circular cone Shape gear-like bullet formula floating valve is with spring and valve seat combination into down spring buoyancy control valve, lower guide cylinder(22)It is fixed on lower transfusion Device union joint(7)Interior lower tube for transfusion(8)Outside.
4. according to claim 3 to be provided with the bivalve purification intravenous transfusion device for filtering elastic valve and playing formula floating valve, which is special Levy and be:The force control valve of floating downward is arranged in transfusion union joint, is provided with female thread on the inside of lower transfusion union joint(4), bottom End is provided with sealing film(3), the lower end of sealing film is provided with standby scalp intravenous needle(1), the upper end of scalp intravenous needle is provided with External screw thread(2).
CN201611262319.7A 2016-12-30 2016-12-30 Dual-valve purification vein infusion device provided with filtering elastic valve and elastic buoyant valve Withdrawn CN106512138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611262319.7A CN106512138A (en) 2016-12-30 2016-12-30 Dual-valve purification vein infusion device provided with filtering elastic valve and elastic buoyant valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611262319.7A CN106512138A (en) 2016-12-30 2016-12-30 Dual-valve purification vein infusion device provided with filtering elastic valve and elastic buoyant valve

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CN106512138A true CN106512138A (en) 2017-03-22

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106860977A (en) * 2017-04-06 2017-06-20 张金铭 A kind of automatic liquid-stopping filter
CN108653864A (en) * 2018-05-23 2018-10-16 镇江倍斯特曼新材料研究有限公司 A kind of medical infusion connection combination apparatus
CN108744152A (en) * 2018-07-09 2018-11-06 程其明 Infusion apparatus
WO2021253831A1 (en) * 2020-06-16 2021-12-23 苏州悦肤达医疗科技有限公司 Vacuum liquid-filling needle and pressure relief valve therefor
CN116585564A (en) * 2023-07-17 2023-08-15 四川天府南格尔生物医学有限公司 Disposable blood transfusion device and use method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106860977A (en) * 2017-04-06 2017-06-20 张金铭 A kind of automatic liquid-stopping filter
CN108653864A (en) * 2018-05-23 2018-10-16 镇江倍斯特曼新材料研究有限公司 A kind of medical infusion connection combination apparatus
CN108744152A (en) * 2018-07-09 2018-11-06 程其明 Infusion apparatus
WO2021253831A1 (en) * 2020-06-16 2021-12-23 苏州悦肤达医疗科技有限公司 Vacuum liquid-filling needle and pressure relief valve therefor
CN116585564A (en) * 2023-07-17 2023-08-15 四川天府南格尔生物医学有限公司 Disposable blood transfusion device and use method thereof
CN116585564B (en) * 2023-07-17 2023-09-19 四川天府南格尔生物医学有限公司 Disposable blood transfusion device and use method thereof

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Application publication date: 20170322

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