CN106798956A - A kind of multithread quantity regulating device of infusion pump - Google Patents
A kind of multithread quantity regulating device of infusion pump Download PDFInfo
- Publication number
- CN106798956A CN106798956A CN201710089500.0A CN201710089500A CN106798956A CN 106798956 A CN106798956 A CN 106798956A CN 201710089500 A CN201710089500 A CN 201710089500A CN 106798956 A CN106798956 A CN 106798956A
- Authority
- CN
- China
- Prior art keywords
- key
- current limiting
- core base
- liquid feeding
- control valve
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
-
- 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
- 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
Abstract
The invention discloses a kind of multithread quantity regulating device of infusion pump, including the housing being made up of upper shell and lower house, upper shell and lower house fasten to form shell chamber, are characterized in：Also include flow control valve, pipeline assembly, key and three-way connection, pipeline assembly, flow control valve are arranged in shell chamber, and key, three-way connection are arranged at outside housing；Flow control valve is made up of valve element and three-way valve core base；Pipeline assembly is made up of feed tube, drain pipe, the first current limiting tube, the second current limiting tube and flexible pipe, the spool bore that can pass through the upper end of valve element is provided with the centre of upper shell, the keyhole for allowing key to insert is provided with the crown center of valve element, the administration flow of key energy regulating three-way valve core base is rotated.The present invention is by rotating key, the convenient administration flow for accurately selecting to be wanted needed for clinic；And key is operated by medical personnel, the problems such as prevent patient's mistuning section；Simple production process, is able to batch production simultaneously, can be widely used for clinic.
Description
Technical field
The present invention relates to medicine equipment, and in particular to a kind of multithread quantity regulating device of infusion pump.
Background technology
Infusion pump also known as analgesia pump, it makes analgesic that a timely stable concentration can be kept in blood plasma, and
Patient can be allowed voluntarily to press automatic control administration button administration with rapid stiffening effect, treatment more individuation.
The single use infusion pump that clinically uses all is single flow at present, and such as 2 milliliters per hour or 5 milliliters
Per hour.When using, once selecting certain product, as single flow cannot then change.But use process in actual clinical
In, for the treatment of different patients, generally require to change administration flow.But current single use infusion pump cannot expire
Sufficient this function.
In order to mitigate patient's pain, safely and effectively analgesic effect is realized, need a kind of rational in infrastructure, safe and effective, stream badly
The multithread quantity regulating device and corresponding speed regulating method of amount infusion pump accurate, easy to use.
Utility model content
Will needed for flow control valve, convenient accurately selection clinic by adjusting it is an object of the invention to provide one kind
Administration flow, easily realize, the multithread quantity regulating device of infusion pump simple to operate.
The object of the present invention is achieved like this：
A kind of multithread quantity regulating device of infusion pump, including the housing being made up of upper shell and lower house, upper shell and lower house
Fastening forms shell chamber, is characterized in：Also include flow control valve, pipeline assembly, key and three-way connection, pipeline assembly, flow control
Valve processed is arranged in shell chamber, and key, three-way connection are arranged at outside housing；
Flow control valve is made up of valve element and three-way valve core base, and the right-hand member in lower house is provided with the control valve bottom of upward opening
Seat, valve element above is inserted downwardly into the middle of three-way valve core base in the valve pocket of upward opening by interference fit, threeway
The lower end of valve core base is snapped onto in the control valve base on lower house by draw-in groove so that flow control valve is arranged on lower house
It is interior；
Pipeline assembly pipeline assembly is made up of feed tube, drain pipe, the first current limiting tube, the second current limiting tube and flexible pipe, feed tube
Liquid feeding end is connected with the outlet end of infusion pump, and the outlet end of feed tube is connected with the liquid feeding end of three-way connection, the first current limiting tube
Liquid feeding end is connected with the first outlet end of three-way connection, the outlet end of the first current limiting tube and the first liquid feeding end of three-way valve core base
Connection, the liquid feeding end of the second current limiting tube is connected with the second outlet end of three-way connection, outlet end and the flexible pipe of the second current limiting tube
Liquid feeding end is connected, and the outlet end of flexible pipe is connected with the second liquid feeding end of three-way valve core base, the liquid feeding end and triple valve of drain pipe
The outlet end connection of core base；
The spool bore that can pass through the upper end of valve element is provided with the centre of upper shell, is provided with the crown center of valve element and is allowed key
The keyhole of insertion, rotates the administration flow of key energy regulating three-way valve core base.
The scale value of display different dosing flow is indicated around the upper surface of upper shell, spool bore.
The present invention is made up of housing, flow control valve, pipeline assembly, key and three-way connection, and the present invention has following excellent
Point：
1st, without silicone tube, because there is problems with silicone tube：（1）, it is yielding, it is difficult to recover, once silica gel pipeline obstruction,
The flow velocity of needs is not reached then, just cannot effectively mitigate the pain of patient yet；（2）, silicone tube cracky, cause outside liquid
Leakage, does not reach due analgesic effect, is likely to become the unsafe factor of influence analgesic effect；
2nd, can be by rotating key, the convenient administration flow for accurately selecting to be wanted needed for clinic；And key is by medical personnel
Operation, the problems such as prevent patient's mistuning section；
3rd, simple production process, is able to batch production, can be widely used for clinic.
Brief description of the drawings
Fig. 1 is assembling pre-structure schematic diagram of the invention；
Fig. 2 is structural representation after assembling of the invention；
Fig. 3 is the structural representation of flow control valve；
Fig. 4 is structural representation of the present invention under the first flow velocity；
Fig. 5 is structural representation of the present invention under second flow velocity；
Fig. 6 is structural representation of the present invention under the third flow velocity；
Fig. 7 is structural representation of the present invention under the 4th kind of flow velocity.
Specific embodiment
With reference to embodiment and compare accompanying drawing the present invention is described in further detail.
The multithread quantity regulating device of a kind of infusion pump, by housing 12, flow control valve 13, pipeline assembly 14, key 1 and three
Pass joint 8 is constituted, and housing 12 is made up of upper shell 2 and lower house 9, and upper shell 2 and lower house 9 are fastened and form shell chamber 15, pipeline
Component 14, flow control valve 13 are arranged in shell chamber 15, and key 1, three-way connection 8 are arranged at outside housing 12；
Flow control valve 13 is made up of valve element 3 and three-way valve core base 5, and the right-hand member in lower house 9 is provided with the control of upward opening
Valve base processed 16, valve element 3 above is inserted downwardly into the valve of the middle upward opening of three-way valve core base 5 by interference fit
In chamber 17, the lower end of three-way valve core base 5 is snapped onto in the control valve base 16 on lower house 9 by draw-in groove so that flow control
Valve processed 13 is arranged in lower house 9；
Pipeline assembly 14 is made up of feed tube 11, drain pipe 4, the first current limiting tube 6, the second current limiting tube 7 and flexible pipe 10, feed tube 11
Liquid feeding end be connected with the outlet end of infusion pump, the outlet end of feed tube 11 is connected with the liquid feeding end of three-way connection 8, the first current limliting
The liquid feeding end of pipe 6 is connected with the first outlet end of three-way connection 8, and the of the outlet end of the first current limiting tube 6 and three-way valve core base 5
One liquid feeding end is connected, the liquid feeding end of the second current limiting tube 7 is connected with the second outlet end of three-way connection 8, and the second current limiting tube 7 goes out liquid
End is connected with the liquid feeding end of flexible pipe 10, and the outlet end of flexible pipe 10 is connected with the second liquid feeding end of three-way valve core base 5, drain pipe 4
Liquid feeding end be connected with the outlet end of three-way valve core base 5；
The spool bore 20 that can pass through the upper end of valve element 3 is provided with the centre of upper shell 2, is provided with the crown center of valve element 3
The keyhole 18 for allowing key 1 to insert, rotates the administration flow of the energy regulating three-way valve core of key 1 base 5.
The scale value 19 of display different dosing flow is indicated around the upper surface of upper shell 2, spool bore 20.
Refering to Fig. 4, it is shown that the structural representation under the first flow velocity of the invention.As shown in figure 4, working as medical personnel's root
When setting amount of infusion as the flow velocity of 2ml/h according to the state of an illness, speed governing key 1 puts valve element 3 into, and rotary spool 3 makes valve element 3 and threeway
Valve core base 5 is rotated against so that the first current limiting tube 6 and the second current limiting tube 7 are not connected with drain pipe 4, and now liquid leads to
The pipeline outflow crossed outside the present invention, realizes the flow of 2ml/h.
Refering to Fig. 5, it is shown that the structural representation under second flow velocity of the invention.As shown in figure 5, working as medical personnel's root
When setting amount of infusion as the flow velocity of 4ml/h according to the state of an illness, speed governing key 1 puts valve element 3 into, and rotary spool 3 makes valve element 3 and threeway
Valve core base 5 is rotated against so that the first current limiting tube 6 is connected with drain pipe 4, and the second current limiting tube 7 is not connected with drain pipe 4,
Now liquid is flowed out simultaneously by the pipeline and drain pipe 4 outside the present invention, realizes the flow of 4ml/h.
Refering to Fig. 6, it is shown that the structural representation under the third flow velocity of the invention.As shown in fig. 6, working as medical personnel's root
When setting amount of infusion as the flow velocity of 6ml/h according to the state of an illness, speed governing key 1 puts valve element 3 into, and rotary spool 3 makes valve element 3 and threeway
Valve core base 5 is rotated against so that the first current limiting tube 6 is not connected with drain pipe 4, and the second current limiting tube 7 is connected with drain pipe 4,
Now liquid is flowed out simultaneously by the pipeline outside the present invention with drain pipe 4, realizes the flow of 6ml/h.
Refering to Fig. 7, it is shown that the structural representation under the 4th kind of flow velocity of the invention.As shown in fig. 7, working as medical personnel's root
When setting amount of infusion as the flow velocity of 8ml/h according to the state of an illness, speed governing key 1 puts valve element 3 into, and rotary spool 3 makes valve element 3 and threeway
Valve core base 5 is rotated against so that the first current limiting tube 6 is connected with drain pipe 4, and the second current limiting tube 7 is connected with drain pipe 4, this
When liquid by the outside pipeline of the present invention and the outflow simultaneously of drain pipe 4, realize the flow of 8ml/h.
Claims (2)
1. the multithread quantity regulating device of a kind of infusion pump, including the housing being made up of upper shell and lower house, upper shell and lower casing
Body fastens to form shell chamber, it is characterised in that：Also including flow control valve, pipeline assembly, key and three-way connection, pipeline assembly,
Flow control valve is arranged in shell chamber, and key, three-way connection are arranged at outside housing；
Flow control valve is made up of valve element and three-way valve core base, and the right-hand member in lower house is provided with the control valve bottom of upward opening
Seat, valve element above is inserted downwardly into the middle of three-way valve core base in the valve pocket of upward opening by interference fit, threeway
The lower end of valve core base is snapped onto in the control valve base on lower house by draw-in groove so that flow control valve is arranged on lower house
It is interior；
Pipeline assembly is made up of feed tube, drain pipe, the first current limiting tube, the second current limiting tube and flexible pipe, the liquid feeding end of feed tube with
The outlet end connection of infusion pump, the outlet end of feed tube is connected with the liquid feeding end of three-way connection, the liquid feeding end of the first current limiting tube and
The first outlet end connection of three-way connection, the outlet end of the first current limiting tube is connected with the first liquid feeding end of three-way valve core base, the
The liquid feeding end of two current limiting tubes is connected with the second outlet end of three-way connection, and the outlet end of the second current limiting tube connects with the liquid feeding end of flexible pipe
Connect, the outlet end of flexible pipe is connected with the second liquid feeding end of three-way valve core base, liquid feeding end and the three-way valve core base of drain pipe
Outlet end is connected；
The spool bore that can pass through the upper end of valve element is provided with the centre of upper shell, is provided with the crown center of valve element and is allowed key
The keyhole of insertion, rotates the administration flow of key energy regulating three-way valve core base.
2. the multithread quantity regulating device of infusion pump according to claim 1, it is characterised in that：The upper surface of upper shell,
The scale value of display different dosing flow is indicated around spool bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089500.0A CN106798956A (en) | 2017-02-20 | 2017-02-20 | A kind of multithread quantity regulating device of infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089500.0A CN106798956A (en) | 2017-02-20 | 2017-02-20 | A kind of multithread quantity regulating device of infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106798956A true CN106798956A (en) | 2017-06-06 |
Family
ID=58987514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710089500.0A Pending CN106798956A (en) | 2017-02-20 | 2017-02-20 | A kind of multithread quantity regulating device of infusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106798956A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893740A (en) * | 2019-03-04 | 2019-06-18 | 宁波市北仑区人民医院 | A kind of fixed device of ductus venosus |
| CN111001063A (en) * | 2019-11-13 | 2020-04-14 | 邹最 | Exhaust system of variable-speed infusion pump and application |
-
2017
- 2017-02-20 CN CN201710089500.0A patent/CN106798956A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893740A (en) * | 2019-03-04 | 2019-06-18 | 宁波市北仑区人民医院 | A kind of fixed device of ductus venosus |
| CN111001063A (en) * | 2019-11-13 | 2020-04-14 | 邹最 | Exhaust system of variable-speed infusion pump and application |
| CN111001063B (en) * | 2019-11-13 | 2024-01-09 | 上海长征医院 | Exhaust system of variable-speed infusion pump and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170606 |
|
| WD01 | Invention patent application deemed withdrawn after publication |