CN104415422A - Infusion flow controller - Google Patents
Infusion flow controller Download PDFInfo
- Publication number
- CN104415422A CN104415422A CN201310399584.XA CN201310399584A CN104415422A CN 104415422 A CN104415422 A CN 104415422A CN 201310399584 A CN201310399584 A CN 201310399584A CN 104415422 A CN104415422 A CN 104415422A
- Authority
- CN
- China
- Prior art keywords
- infusion
- cross bar
- briquetting
- piston
- lower dropper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Emergency Medicine (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
An infusion flow controller is used on a lower dropper between a drip cup and an infusion needle, and mainly comprises a fixing rack, a flow adjusting valve and a pneumatic valve. The flow adjusting valve and the pneumatic valve are arranged on the fixing rack. During infusion, when liquid medicine in an infusion bag or an infusion bottle runs off and only residual liquid medicine in the drip cup remains, negative pressure is generated in an 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
Technical field
The present invention relates to a kind of for infusing time use infusion drip 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 drip controller, is placed in drip on lower dropper 1 between kettle and transfusion needle to use, and it forms primarily of fixed mount 2, flow control valve 3 and pneumatic operated valve 4, and flow control valve and pneumatic operated valve are placed on fixed mount; One end of pneumatic operated valve by trachea and the air inlet pipe of dripping on kettle, or is communicated with the muffler on infusion bottle; 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, larger negative pressure can be formed in trachea, thus inhale dynamic pneumatic operated valve, make it extrude lower dropper, infusion flow is reduced further.
Described fixed mount 2 is provided with top-down groove 21, enables lower dropper be placed in groove; A fixed mount sidewall vertical with lower dropper is provided with flow control valve, be provided with two pieces of connecting plates extended in parallel 22 downwards being relatively fixed on another sidewall of frame with the fixed mount sidewall being provided with flow control valve, leave space between two pieces of connecting plates, space communicates with groove; The end of connecting plate is connected with the cylinder outer wall of pneumatic operated valve.
Described flow control valve 3 mainly comprises handle 31, screw rod 32 and the first briquetting 33, and the sidewall of fixed mount is provided with tapped adjustment hole, and screw rod is provided with the external screw thread matched with the female thread of adjustment hole; The end of screw rod enters groove through adjustment hole, and the first briquetting is placed in the end of screw rod; During work, the first briquetting is pressed in lower dropper outer wall; By screwing handle, the adjustment position of screw rod on fixed mount, thus change the first briquetting to the compression degree 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; The blind end of cylinder is provided with pore and communicates with trachea; Piston enters in cylinder from lower dropper side; 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 in the middle part of the end face of the second briquetting, and the other end of the second briquetting is pressed in tube for transfusion outer wall; Two pieces of connecting plates are provided with symmetrical opening towards the V-type draw-in groove of lower dropper or cross bar hole, and the cross bar axle on fixed transverse rod, enables cross bar rotate around cross bar axle; The top of cross bar and and the end of push rod that connects of cross bar axle can move in the space between two pieces of connecting plates.
Described cross bar axle is arranged on 1/3 place of distance transverse rod upper end.
The first described briquetting and the second briquetting are coaxial and lay respectively at lower dropper both sides.
When the negative pressure of trachea is less, the position of piston in cylinder is determined, at this moment, the second briquetting can not extrude tube for transfusion, on infusion flow without any impact; 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 second briquetting compression tube for transfusion, 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;
Fig. 3 is that the present invention is used in the schematic diagram in the transfusion bag of isolator.
Detailed description of the invention
As depicted in figs. 1 and 2, infusion drip controller, is placed in drip on lower dropper 1 between kettle and transfusion needle and uses, and it forms primarily of fixed mount 2, flow control valve 3 and pneumatic operated valve 4, and flow control valve and pneumatic operated valve are placed on fixed mount; If transfusion bag transfusion, one end of pneumatic operated valve is communicated with the air inlet pipe of dripping on kettle by trachea, as shown in Figure 3, air inlet pipe is also provided with disposable isolator, for preventing cross infection; 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, larger negative pressure can be formed in trachea, thus inhale dynamic pneumatic operated valve, make it extrude lower dropper, infusion flow is reduced further.
Described fixed mount 2 is provided with top-down groove 21, enables lower dropper be placed in groove; A fixed mount sidewall vertical with lower dropper is provided with flow control valve, be provided with two pieces of connecting plates extended in parallel 22 downwards being relatively fixed on another sidewall of frame with the fixed mount sidewall being provided with flow control valve, leave space between two pieces of connecting plates, space communicates with groove; The end of connecting plate is connected with the cylinder outer wall of pneumatic operated valve.
Described flow control valve 3 mainly comprises handle 31, screw rod 32 and the first briquetting 33, and the sidewall of fixed mount is provided with tapped adjustment hole, and screw rod is provided with the external screw thread matched with the female thread of adjustment hole; The end of screw rod enters groove through adjustment hole, and the first briquetting is placed in the end of screw rod; During work, the first briquetting is pressed in lower dropper outer wall; By screwing handle, the adjustment position of screw rod on fixed mount, thus change the first briquetting to the compression degree 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 to groove 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; The blind end of cylinder is provided with pore and communicates with trachea; Piston enters in cylinder from lower dropper side; 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 in the middle part of the end face of the second briquetting, and the other end of the second briquetting is pressed in tube for transfusion outer wall; Two pieces of connecting plates are provided with the symmetrical V-type draw-in groove of opening towards lower dropper or the cross bar hole of circle, and the cross bar axle on fixed transverse rod, enables cross bar rotate around cross bar axle; The top of cross bar and and the end of push rod that connects of cross bar axle can move in the space between two pieces of connecting plates.
Draw-in groove is set to V-type, is the installation of conveniently cross bar axle.The front end of V-type draw-in groove is V-type, and bottom is semicircle orifice, and cross bar axle is fixed from the front end press-in semicircle orifice of V-type draw-in groove.
If select circular cross bar hole, then cross bar axle inserts the cross bar hole on one piece of connecting plate from the side, then through the shaft hole on cross bar, eventually passes through the cross bar hole on another connecting plate, cross bar is rotated around cross bar axle.
Space communicates with groove, and the cross bar of pneumatic operated valve, push rod and the second briquetting are moved in space to communicate the space that formed with groove.
Described cross bar axle is arranged on 1/3 place of distance transverse rod upper end.
The first described briquetting and the second briquetting are coaxial and lay respectively at lower dropper both sides.Both are coaxial, and direction is contrary, extrudes lower dropper respectively, to reduce flow from the both sides of lower dropper.
When the negative pressure of trachea is less, the position of piston in cylinder is determined, at this moment, the second briquetting can not extrude tube for transfusion, on infusion flow without any impact; 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 second briquetting compression tube for transfusion, 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 (7)
1. infusion drip controller, is placed in the upper use of lower dropper (1) of dripping between kettle and transfusion needle, it is characterized in that: it is primarily of fixed mount (2), flow control valve (3) and pneumatic operated valve (4) composition, and flow control valve and pneumatic operated valve are placed on fixed mount; One end of pneumatic operated valve by trachea and the air inlet pipe of dripping on kettle, or is communicated with the muffler on infusion bottle; 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, larger negative pressure can be formed in trachea, thus inhale dynamic pneumatic operated valve, make it extrude lower dropper, infusion flow is reduced further.
2. infusion drip controller according to claim 1, is characterized in that: described fixed mount (2) is provided with top-down groove (21), enables lower dropper be placed in groove; A fixed mount sidewall vertical with lower dropper is provided with flow control valve, be provided with two pieces of connecting plates extended in parallel (22) downwards being relatively fixed on another sidewall of frame with the fixed mount sidewall being provided with flow control valve, leave space between two pieces of connecting plates, space communicates with groove; The end of connecting plate is connected with the cylinder outer wall of pneumatic operated valve.
3. infusion drip controller according to claim 2, it is characterized in that: described flow control valve (3) mainly comprises handle (31), screw rod (32) and the first briquetting (33), the sidewall of fixed mount is provided with tapped adjustment hole, and screw rod is provided with the external screw thread matched with the female thread of adjustment hole; The end of screw rod enters groove through adjustment hole, and the first briquetting is placed in the end of screw rod; During work, the first briquetting is pressed in lower dropper outer wall; By screwing handle, the adjustment position of screw rod on fixed mount, thus change the first briquetting to the compression degree of lower dropper.
4. infusion drip controller according to claim 3, 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); The blind end of cylinder is provided with pore and communicates with trachea; Piston enters in cylinder from lower dropper side; 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 in the middle part of the end face of the second briquetting, and the other end of the second briquetting is pressed in tube for transfusion outer wall; Two pieces of connecting plates are provided with symmetrical opening towards the V-type draw-in groove of lower dropper or cross bar hole, and the cross bar axle on fixed transverse rod, enables cross bar rotate around cross bar axle; The top of cross bar and and the end of push rod that connects of cross bar axle can move in the space between two pieces of connecting plates.
5. infusion drip controller according to claim 4, is characterized in that: described cross bar axle is arranged on 1/3 place of distance transverse rod upper end.
6. infusion drip controller according to claim 4, is characterized in that: the first described briquetting and the second briquetting are coaxial and lay respectively at lower dropper both sides.
7. infusion drip controller according to claim 4, is characterized in that: when the negative pressure of trachea is less, and the position of piston in cylinder is determined, at this moment, the second briquetting can not extrude tube for transfusion, on infusion flow without any impact; 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 second briquetting compression tube for transfusion, reduces infusion flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399584.XA CN104415422A (en) | 2013-09-06 | 2013-09-06 | Infusion flow controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399584.XA CN104415422A (en) | 2013-09-06 | 2013-09-06 | Infusion flow controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104415422A true CN104415422A (en) | 2015-03-18 |
Family
ID=52966235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310399584.XA Pending CN104415422A (en) | 2013-09-06 | 2013-09-06 | Infusion flow controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104415422A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245241A (en) * | 2016-12-28 | 2018-07-06 | 南京森盛医疗设备有限公司 | A kind of electrode coagulation apparatus |
| CN110141721A (en) * | 2019-04-30 | 2019-08-20 | 深圳市刚竹医疗科技有限公司 | Infusion device, infusion method, computer equipment and computer readable storage medium |
-
2013
- 2013-09-06 CN CN201310399584.XA patent/CN104415422A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245241A (en) * | 2016-12-28 | 2018-07-06 | 南京森盛医疗设备有限公司 | A kind of electrode coagulation apparatus |
| CN110141721A (en) * | 2019-04-30 | 2019-08-20 | 深圳市刚竹医疗科技有限公司 | Infusion device, infusion method, computer equipment and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105174169A (en) | Filling machine | |
| CN104415422A (en) | Infusion flow controller | |
| CN2722928Y (en) | Dropping speed monitoring alarm venous transfusion device | |
| CN203469141U (en) | Infusion controller | |
| CN204699000U (en) | A kind of liquid medicine quantitative administration medicine bottle | |
| CN104415424A (en) | Infusion controller | |
| CN203123026U (en) | Dispensing needle | |
| CN203539796U (en) | Transfusion flow controller | |
| CN203635408U (en) | Silicification treatment equipment for body fluid collection tubes | |
| CN204737717U (en) | Can be accurate measurement liquid medicine draw with filling equipment | |
| CN204198399U (en) | A kind of suction means of serum separation gel | |
| CN212047985U (en) | Cosmetics filling device | |
| CN204193183U (en) | A kind of acousto-optic control dropping liquid drop kettle | |
| CN211157790U (en) | Infusion device for neonatal intensive care unit | |
| CN208265759U (en) | One kind being used for Gernebcin eye drops priming device | |
| CN207810726U (en) | Screen device for taking | |
| CN201603213U (en) | Quickly exhausting infusion system | |
| CN215134665U (en) | Infusion support lifting device for operating room nursing | |
| CN202620236U (en) | Quick dosing device | |
| CN204932449U (en) | From the compound dropper component of exhaust | |
| CN204411297U (en) | A kind of new medicine pill dripping machine | |
| CN210009466U (en) | Multifunctional liquid medicine filter for internal medicine | |
| CN201543053U (en) | Injection-absorption needle for dosage | |
| CN209490322U (en) | Bag pressing device | |
| CN208360536U (en) | A kind of ENT dept.'s dropping liquid dispenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |
|
| WD01 | Invention patent application deemed withdrawn after publication |