CN104415424A - Infusion controller - Google Patents

Infusion controller Download PDF

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Publication number
CN104415424A
CN104415424A CN201310399585.4A CN201310399585A CN104415424A CN 104415424 A CN104415424 A CN 104415424A CN 201310399585 A CN201310399585 A CN 201310399585A CN 104415424 A CN104415424 A CN 104415424A
Authority
CN
China
Prior art keywords
infusion
briquetting
fixing head
cylinder
cross bar
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
Application number
CN201310399585.4A
Other languages
Chinese (zh)
Inventor
李耀强
肖晟
胡锦辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHONGSHAN MEIGUIYUAN ENVIRONMENT ELECTRICAL APPLIANCE CO Ltd
Original Assignee
ZHONGSHAN MEIGUIYUAN ENVIRONMENT ELECTRICAL APPLIANCE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHONGSHAN MEIGUIYUAN ENVIRONMENT ELECTRICAL APPLIANCE CO Ltd filed Critical ZHONGSHAN MEIGUIYUAN ENVIRONMENT ELECTRICAL APPLIANCE CO Ltd
Priority to CN201310399585.4A priority Critical patent/CN104415424A/en
Publication of CN104415424A publication Critical patent/CN104415424A/en
Pending legal-status Critical Current

Links

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
    • 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
    • A61M5/16813Flow controllers by controlling the degree of opening of the flow line
    • 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
    • A61M5/16831Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/16854Monitoring, detecting, signalling or eliminating infusion flow anomalies by monitoring line pressure
    • 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
    • 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
    • A61M2005/1401Functional features
    • A61M2005/1406Minimizing backflow along the delivery catheter track

Abstract

An infusion controller is used on a lower dropper between a drip cup and an infusion needle, and mainly comprises a flow adjusting valve, a fixing rack and a pneumatic valve, wherein the flow adjusting valve and the pneumatic valve are arranged on the fixing rack; and the pneumatic valve is connected with an air tube. If an infusion bag is used in infusion, one end of the pneumatic valve is connected with an air inlet tube on the drip cup through the air tube; and if an infusion bottle is used in infusion, one end of the pneumatic valve is connected with an air return tube on the infusion bottle through the air tube. During infusion, if liquid medicine in the infusion bag or the infusion bottle runs off and only residual liquid medicine in the drip cup remains, negative pressure can be generated in the air tube to suck a piston in a cylinder, a push rod is driven to push a second pressing block to press the lower dropper, the flow of the liquid medicine in the lower dropper is reduced, the running-off time of the liquid medicine is prolonged so that infusion equipment can be replaced by medical workers before the liquid medicine runs off, and the circumstance that blood of a patient returns or air enters the blood of the patient after the liquid medicine runs off is avoided.

Description

Infusion controller
Technical field
The present invention relates to a kind of for infusing time use infusion controller, belong to the optimisation technique of transfusion.
Background technology
When the medicinal liquid stream in infusion bottle or transfusion bag is complete, the medicinal liquid dripped in kettle has also flowed, and liquid level drops to and drips below kettle, and just likely occur blood back phenomenon, namely blood enters lower dropper, or air enters blood and causes air embolism, makes patient even bring danger in alarm.
Therefore, after the medicinal liquid stream in infusion bottle or transfusion bag is complete, except coming to replace except fluid delivery apparatus by reminiscences calling medical personnel, also needing to slow down and dripping the dirty thing of kettle herb liquid, to extend the waiting time, make medical personnel have time enough to come to process.Therefore, need to find a kind of equipment that automatically can slow down medicinal liquid dropping velocity when being only left the medicinal liquid in a kettle.
Summary of the invention
The object of this invention is to provide a kind of equipment that automatically can slow down medicinal liquid dropping velocity when being only left the medicinal liquid in a kettle.
Technical scheme of the present invention is: infusion controller, is placed in drip on lower dropper 1 between kettle and transfusion needle to use, and form primarily of flow control valve 2, fixed mount 3 and pneumatic operated valve 4, flow control valve and pneumatic operated valve are placed on fixed mount; Pneumatic operated valve connects trachea, and trachea and transfusion bag drip the air inlet pipe on kettle, or the muffler on infusion bottle is communicated with; Lower dropper is placed between flow control valve and pneumatic operated valve, and flow control valve controls infusion flow by the lower dropper of extruding; When there is no medicinal liquid in infusion bottle or transfusion bag, in trachea, forming larger negative pressure, thus pneumatic operated valve can be inhaled, make it extrude lower dropper, infusion flow is reduced further.
Described fixed mount 3 mainly comprises the fixing head 31 and fixed frame 32 longitudinally settled, fixing head and fixed frame are longitudinally settled and parallel to each other, flow control valve is placed on fixing head, to be provided with raised to fixing head direction 4 identical fixing feet 33 towards four angles of fixing head at fixed frame, these fixing feet are fixed on four angles of fixing head; The side of fixed frame arranges two over braces 34 parallel to each other towards fixing head, and each over brace is provided with a symmetrical hole slot 35; Fixed frame is also provided with cylinder-bore; Pneumatic operated valve is fixed on fixed frame by over brace and cylinder-bore.
Described over brace is arranged on 1/3 place on distance fixed frame top.
Described hole slot is the opening that is located at over brace end towards the V-shaped groove of lower dropper or axis hole, and the bottom land of V-shaped groove is circular port.
Described flow control valve 2 mainly comprises handle 21, screw mandrel 22 and the first briquetting 23, and fixing head is provided with tapped adjustment hole, and screw mandrel is fixed on the middle part of handle, and screw mandrel is provided with the external screw thread matched with the female thread of adjustment hole; The end of screw mandrel is through adjustment hole, and wear out from the other end of fixing head, arrange the first briquetting at the end of screw mandrel, the first briquetting is pressed in lower dropper outer wall; By screwing handle, the adjustment position of screw mandrel on fixing head, thus change the first briquetting to the pressure of lower dropper.
Described pneumatic operated valve 4 mainly comprises cylinder 41, piston, piston rod 42, cross bar 43, push rod 44 and the second briquetting 45; Cylinder is fixed in the cylinder-bore on fixed frame, and cylinder and fixed frame intersect vertically, and the blind end of cylinder is provided with pore and communicates with trachea, and other end opening is towards fixing head, and piston enters in cylinder from opening; One end of piston rod is fixed on piston, and one end axle of the other end and cross bar connects, and the other end of cross bar and push rod shaft connect, and the other end of push rod is fixed on the middle part of the second briquetting end face, and the other end of the second briquetting is pressed in lower dropper outer wall; Two over braces are horizontally in the both sides of fixing head; Cross bar axle through the hole slot on the hole slot on an over brace, cross bar, another over brace, enables cross bar rotate around cross bar axle successively.
The first described briquetting and the second briquetting are coaxial and lay respectively at wheel liquid pipe both sides.
When the negative pressure of trachea is less, the position of piston in cylinder is relatively fixing, and at this moment, the second briquetting can not extrude lower dropper, does not affect infusion flow; When infusion bottle or transfusion bag Chinese medicine liquid stream complete after, negative pressure in trachea increases, the direction of piston to trachea under the effect of negative pressure is moved, piston rod is driven to move to trachea direction, piston rod pulls the bottom of cross bar to the direction of piston, the direction of the downward dropper in top of cross bar is moved, thus promotes push rod by the lower dropper of the second briquetting compression, reduces infusion flow.
beneficial effect
1,during transfusion, when the medicinal liquid in transfusion bag or infusion bottle has flowed, the only remaining medicinal liquid dripping remnants in kettle, the piston in negative pressure suction dynamic air cylinder will be produced in trachea, drive push rod to promote the second briquetting and press to lower dropper, the flow in lower dropper is even lower, extend the time that medicinal liquid stream is complete, wait for that medical personnel replace fluid delivery apparatus, the blood backflow after preventing medicinal liquid stream complete or air enter blood.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is explosive view of the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, infusion controller, is placed in drip on lower dropper 1 between kettle and transfusion needle and uses, and form primarily of flow control valve 2, fixed mount 3 and pneumatic operated valve 4, flow control valve and pneumatic operated valve are placed on fixed mount; Pneumatic operated valve connects trachea, if transfusion bag transfusion, one end of pneumatic operated valve is communicated with the air inlet pipe of dripping on kettle by trachea; If infusion bottle transfusion, one end of pneumatic operated valve is communicated with the muffler on infusion bottle by trachea.
Lower dropper is placed between flow control valve and pneumatic operated valve, and flow control valve controls infusion flow by the lower dropper of extruding; When there is no medicinal liquid in infusion bottle or transfusion bag, in trachea, forming larger negative pressure, thus pneumatic operated valve can be inhaled, make it extrude lower dropper, infusion flow is reduced further.
Described fixed mount 3 mainly comprises the fixing head 31 and fixed frame 32 longitudinally settled, fixing head and fixed frame are longitudinally settled and parallel to each other, flow control valve is placed on fixing head, to be provided with raised to fixing head direction 4 identical fixing feet 33 towards four angles of fixing head at fixed frame, these fixing feet are fixed on four angles of fixing head; The side of fixed frame arranges two over braces 34 parallel to each other towards fixing head, and each over brace is provided with a symmetrical hole slot 35; Fixed frame is also provided with cylinder-bore; Pneumatic operated valve is fixed on fixed frame by over brace and cylinder-bore.
Described over brace is arranged on 1/3 place on distance fixed frame top.
Described hole slot is the opening that is located at over brace end towards the V-shaped groove of lower dropper or axis hole, and the bottom land of V-shaped groove is circular port.
Described flow control valve 2 mainly comprises handle 21, screw mandrel 22 and the first briquetting 23, and fixing head is provided with tapped adjustment hole, and screw mandrel is fixed on the middle part of handle, and screw mandrel is provided with the external screw thread matched with the female thread of adjustment hole; The end of screw mandrel is through adjustment hole, and wear out from the other end of fixing head, arrange the first briquetting at the end of screw mandrel, the first briquetting is pressed in lower dropper outer wall; By screwing handle, the adjustment position of screw mandrel on fixing head, thus change the first briquetting to the pressure of lower dropper.When transfusion speed accelerated by needs, outwards screw handle, reduce the pressure of the first briquetting to lower dropper, when needs reduce transfusion speed, the direction of downward dropper screws handle, makes the first briquetting compress lower dropper further.
Described pneumatic operated valve 4 mainly comprises cylinder 41, piston, piston rod 42, cross bar 43, push rod 44 and the second briquetting 45; Cylinder is fixed in the cylinder-bore on fixed frame, and cylinder and fixed frame intersect vertically, and the blind end of cylinder is provided with pore and communicates with trachea, and other end opening is towards fixing head, and piston enters in cylinder from opening; One end of piston rod is fixed on piston, and one end axle of the other end and cross bar connects, and the other end of cross bar and push rod shaft connect, and the other end of push rod is fixed on the middle part of the second briquetting end face, and the other end of the second briquetting is pressed in lower dropper outer wall; Two over braces are horizontally in the both sides of fixing head; Cross bar axle through the hole slot on the hole slot on an over brace, cross bar, another over brace, enables cross bar rotate around cross bar axle successively.
The first described briquetting and the second briquetting are coaxial and lay respectively at wheel liquid pipe both sides.
When the negative pressure of trachea is less, the position of piston in cylinder is relatively fixing, and at this moment, the second briquetting can not extrude lower dropper, does not affect infusion flow; When infusion bottle or transfusion bag Chinese medicine liquid stream complete after, negative pressure in trachea increases, the direction of piston to trachea under the effect of negative pressure is moved, piston rod is driven to move to trachea direction, piston rod pulls the bottom of cross bar to the direction of piston, the direction of the downward dropper in top of cross bar is moved, thus promotes push rod by the lower dropper of the second briquetting compression, reduces infusion flow.
During transfusion, when the medicinal liquid in transfusion bag or infusion bottle has flowed, the only remaining medicinal liquid dripping remnants in kettle, the piston in negative pressure suction dynamic air cylinder will be produced in trachea, drive push rod to promote the second briquetting and press to lower dropper, the flow in lower dropper is even lower, extend the time that medicinal liquid stream is complete, wait for that medical personnel replace fluid delivery apparatus, the blood backflow after preventing medicinal liquid stream complete or air enter blood.
Above-described embodiment is only used to interpretation purposes of the present invention, and is not limitation of the present invention, those skilled in the art, in essential scope of the present invention, makes a variety of changes or substitutes, also should belong to protection category of the present invention.

Claims (8)

1. infusion controller, is placed in the upper use of lower dropper (1) of dripping between kettle and transfusion needle, it is characterized in that: primarily of flow control valve (2), fixed mount (3) and pneumatic operated valve (4) composition, flow control valve and pneumatic operated valve are placed on fixed mount; Pneumatic operated valve connects trachea, and trachea and transfusion bag drip the air inlet pipe on kettle, or the muffler on infusion bottle is communicated with; Lower dropper is placed between flow control valve and pneumatic operated valve, and flow control valve controls infusion flow by the lower dropper of extruding; When there is no medicinal liquid in infusion bottle or transfusion bag, in trachea, forming larger negative pressure, thus pneumatic operated valve can be inhaled, make it extrude lower dropper, infusion flow is reduced further.
2. infusion controller according to claim 1, it is characterized in that: described fixed mount (3) mainly comprises the fixing head (31) and fixed frame (32) longitudinally settled, fixing head and fixed frame are longitudinally settled and parallel to each other, flow control valve is placed on fixing head, to be provided with raised to fixing head direction 4 identical fixing feet (33) towards four angles of fixing head at fixed frame, these fixing feet are fixed on four angles of fixing head; The side of fixed frame arranges two over braces (34) parallel to each other towards fixing head, and each over brace is provided with a symmetrical hole slot (35); Fixed frame is also provided with cylinder-bore; Pneumatic operated valve is fixed on fixed frame by over brace and cylinder-bore.
3. infusion controller according to claim 2, is characterized in that: described over brace is arranged on 1/3 place on distance fixed frame top.
4. infusion controller according to claim 2, is characterized in that: described hole slot is the opening that is located at over brace end towards the V-shaped groove of lower dropper or axis hole, and the bottom land of V-shaped groove is circular port.
5. infusion controller according to claim 2, it is characterized in that: described flow control valve (2) mainly comprises handle (21), screw mandrel (22) and the first briquetting (23), fixing head is provided with tapped adjustment hole, screw mandrel is fixed on the middle part of handle, and screw mandrel is provided with the external screw thread matched with the female thread of adjustment hole; The end of screw mandrel is through adjustment hole, and wear out from the other end of fixing head, arrange the first briquetting at the end of screw mandrel, the first briquetting is pressed in lower dropper outer wall; By screwing handle, the adjustment position of screw mandrel on fixing head, thus change the first briquetting to the pressure of lower dropper.
6. infusion controller according to claim 5, is characterized in that: described pneumatic operated valve (4) mainly comprises cylinder (41), piston, piston rod (42), cross bar (43), push rod (44) and the second briquetting (45); Cylinder is fixed in the cylinder-bore on fixed frame, and cylinder and fixed frame intersect vertically, and the blind end of cylinder is provided with pore and communicates with trachea, and other end opening is towards fixing head, and piston enters in cylinder from opening; One end of piston rod is fixed on piston, and one end axle of the other end and cross bar connects, and the other end of cross bar and push rod shaft connect, and the other end of push rod is fixed on the middle part of the second briquetting end face, and the other end of the second briquetting is pressed in lower dropper outer wall; Two over braces are horizontally in the both sides of fixing head; Cross bar axle through the hole slot on the hole slot on an over brace, cross bar, another over brace, enables cross bar rotate around cross bar axle successively.
7. infusion controller according to claim 6, is characterized in that: the first described briquetting and the second briquetting are coaxial and lay respectively at wheel liquid pipe both sides.
8. infusion controller according to claim 7, is characterized in that: when the negative pressure of trachea is less, and the position of piston in cylinder is relatively fixing, and at this moment, the second briquetting can not extrude lower dropper, does not affect infusion flow; When infusion bottle or transfusion bag Chinese medicine liquid stream complete after, negative pressure in trachea increases, the direction of piston to trachea under the effect of negative pressure is moved, piston rod is driven to move to trachea direction, piston rod pulls the bottom of cross bar to the direction of piston, the direction of the downward dropper in top of cross bar is moved, thus promotes push rod by the lower dropper of the second briquetting compression, reduces infusion flow.
CN201310399585.4A 2013-09-06 2013-09-06 Infusion controller Pending CN104415424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310399585.4A CN104415424A (en) 2013-09-06 2013-09-06 Infusion controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310399585.4A CN104415424A (en) 2013-09-06 2013-09-06 Infusion controller

Publications (1)

Publication Number Publication Date
CN104415424A true CN104415424A (en) 2015-03-18

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ID=52966237

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310399585.4A Pending CN104415424A (en) 2013-09-06 2013-09-06 Infusion controller

Country Status (1)

Country Link
CN (1) CN104415424A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112096494A (en) * 2020-11-23 2020-12-18 山东艾泰克环保科技股份有限公司 Novel integrated form urea case flow control for assembly device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5807337A (en) * 1994-04-27 1998-09-15 Daiken Iki Co., Ltd. Liquid infusion apparatus
CN1321222A (en) * 1999-09-03 2001-11-07 巴克斯特国际公司 Programmable, fluid pressure actuated blood processing systems and methods
CN2593796Y (en) * 2002-11-29 2003-12-24 王英 Self-block positioning infusion systems
CN203469141U (en) * 2013-09-05 2014-03-12 湖南工业大学 Infusion controller

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5807337A (en) * 1994-04-27 1998-09-15 Daiken Iki Co., Ltd. Liquid infusion apparatus
CN1321222A (en) * 1999-09-03 2001-11-07 巴克斯特国际公司 Programmable, fluid pressure actuated blood processing systems and methods
CN2593796Y (en) * 2002-11-29 2003-12-24 王英 Self-block positioning infusion systems
CN203469141U (en) * 2013-09-05 2014-03-12 湖南工业大学 Infusion controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112096494A (en) * 2020-11-23 2020-12-18 山东艾泰克环保科技股份有限公司 Novel integrated form urea case flow control for assembly device
CN112096494B (en) * 2020-11-23 2021-02-09 山东艾泰克环保科技股份有限公司 Integrated form is flow control device for urea case assembly

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Application publication date: 20150318

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