CN208552711U - A kind of disposable infusion pump - Google Patents
A kind of disposable infusion pump Download PDFInfo
- Publication number
- CN208552711U CN208552711U CN201721788309.7U CN201721788309U CN208552711U CN 208552711 U CN208552711 U CN 208552711U CN 201721788309 U CN201721788309 U CN 201721788309U CN 208552711 U CN208552711 U CN 208552711U
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- China
- Prior art keywords
- infusion pump
- dosing
- shell
- valve deck
- pressure stabilizing
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Abstract
The utility model discloses a kind of disposable infusion pump, including shell and feeding device, reservoir built in the shell；The infusion pipeline for being additionally provided with horizontal outlet tube road in the shell, running through the shell straight down, and the flow control division on connection the outlet tube road and the infusion pipeline；The reservoir, the outlet tube road are connected to the feeding device；Stable-pressure device is equipped in the flow control division, the stable-pressure device includes and the pressure stabilizing valve deck of the flow control division roof face contact and spring and eardrum；The spring is coaxially connected with the pressure stabilizing valve deck in the pressure stabilizing valve deck, and the pressure stabilizing valve deck, the bottom wall face contact of the lower end surface of the eardrum and the flow control division are simultaneously run through in the bottom of the coaxially connected spring of eardrum straight down.
Description
Technical field
The utility model relates to a kind of disposable infusion of medical instruments field pumps.
Background technique
With the development of clinical treatment technology and the raising of pharmaceutical technology, more and more intravenous pharmacies such as arcotic, town
Pain medicine etc., needs in art or postoperative carry out continuous infusion.
Currently, disposable infusion pump has been widely used for patient clinical micro in liquid treatment, such as vein, subcutaneous,
It is micro lasting to be also widely used for Postoperative analgesia, treatment of chronic pain, malignant tumour analgesia and other needs for continuous injection
It is transfused the treatment of medical fluid.
Disposable infusion pump is a kind of by infusion power, by the control of current-limiting apparatus, with certain speed, it is micro, hold
Continuing, inject uniformly the microscale infusion apparatus tool of drug, infusion power form mainly has a mechanical elastic and two kinds of electric drive, such as with
The mechanical elastic of reservoir is power etc..
For traditional electron injection pump or target control pump, disposable infusion pump has structure simple, easily operated
The advantages that, it can effectively reduce acquisition cost and management cost, be suitble in situation of all-level hospitals large-scale use.
Since the flow of disposable infusion pump is smaller, belong to micro rank, flow control relative difficulty, it is difficult to guarantee to stablize,
Flow can reduce with the reduction of this reservoir memory drug storage amount, it is difficult to meet clinical use requirement.Simultaneously to disposable defeated
There are problems that medical fluid water conservancy diversion during dosing in note pump, to increase the drug cost of patient.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of disposable infusion pump, can
In infusion process keep flow stabilization, flow will not because of reservoir memory drug storage liquid measure reduction and reduce.
Realizing a kind of technical solution of above-mentioned purpose is: a kind of disposable infusion pump, including shell and feeding device, described
Reservoir built in shell；
The infusion pipeline for being additionally provided with horizontal outlet tube road in the shell, running through the shell straight down, Yi Jilian
Lead to the flow control division on the outlet tube road and the infusion pipeline；
The reservoir, the outlet tube road are connected to the feeding device；
Stable-pressure device is equipped in the flow control division, the stable-pressure device includes connecing with the flow control division top wall surface
The pressure stabilizing valve deck and spring and eardrum of touching；The spring is coaxially connected with the pressure stabilizing valve deck in the pressure stabilizing valve deck, institute
State the bottom of the coaxially connected spring of eardrum and straight down through the pressure stabilizing valve deck, the lower end surface of the eardrum and institute
State the bottom wall face contact of flow control division.
Further, the circumferential wall of the flow control division is equipped with the stage portion of annular, the bottom surface of the pressure stabilizing valve deck
Equipped with the sealing ring with the socket of the excircle of the eardrum, the sealing ring and the stage portion face contact.
Further, it is connected between the spring and the pressure stabilizing valve deck by adjusting screw.
Further, the outlet tube road is closed by sealing with the pipeline of the shell one.
Further, the reservoir, the outlet tube road are connected to the feeding device by four-way connection, and described four
Pass joint is equipped with the horizontal liquid feeding end for being connected to the feeding device, the lateral port of two connection reservoirs, Yi Jilian
Lead to the vertical outlet end on the outlet tube road.
Further, the feeding device includes the check valve sheet of the horizontal liquid feeding end positioned at the four-way connection, with
And coaxially connected Needleless dosing connector and dosing female connector；The Needleless dosing connector is socketed in the four-way connection
The radial outside of horizontal liquid feeding end, the dosing female connector stretch out the shell horizontally outward, the Needleless dosing connector and
The radially inner side of the dosing female connector is equipped with dosing rubber plug.
Further, dead ring is equipped between the shell and the dosing female connector.
Further, the feeding device further includes while can be socketed with the dosing female connector and the infusion pipeline
Locking lid.
Further, the radial outside of the Needleless dosing connector and dosing female connector socket locking folder.
Further, the shell is spliced by infusion pump upper cover and infusion pump lower cover.
It is described using the technical solution that a kind of disposable infusion of the utility model pumps, including shell and feeding device
Reservoir built in shell；The infusion pipeline for being additionally provided with horizontal outlet tube road in the shell, running through the shell straight down,
And the flow control division on connection the outlet tube road and the infusion pipeline；The reservoir, the outlet tube road and described
Feeding device is connection；Stable-pressure device is equipped in the flow control division, the stable-pressure device includes adjusting with the flow
The pressure stabilizing valve deck and spring and eardrum of portion's roof face contact；The spring in the pressure stabilizing valve deck with the pressure stabilizing valve deck
Coaxially connected, the pressure stabilizing valve deck is simultaneously run through in the bottom of the coaxially connected spring of eardrum straight down, the eardrum
The bottom wall face contact of lower end surface and the flow control division.Its technical effect is that: it can keep flow in infusion process
Stabilization, flow will not because of reservoir memory drug storage liquid measure reduction and reduce.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of disposable infusion of the utility model pumps.
Fig. 2 is the structural schematic diagram for the connector that a kind of disposable infusion of the utility model pumps.
Fig. 3 is the structural schematic diagram for the feeding device that a kind of disposable infusion of the utility model pumps.
Fig. 4 is the structural schematic diagram for the reservoir that a kind of disposable infusion of the utility model pumps.
Fig. 5 is the structural schematic diagram for the stable-pressure device that a kind of disposable infusion of the utility model pumps.
Fig. 6 is the enlarged diagram of the part A of Fig. 5.
Specific embodiment
Please refer to Fig. 1 to Fig. 6, the inventor of the utility model in order to preferably to the technical solution of the utility model into
Row understands, below by specifically embodiment, and will be described in detail with reference to the accompanying drawings:
Referring to Fig. 1, a kind of disposable infusion of the utility model pumps, including one by infusion pump upper cover 11 and infusion pump
Shell 1, feeding device 2, stable-pressure device 3 and the connector 4 that lower cover 12 is spliced.
Reservoir 10, and horizontal outlet tube road 51, vertical infusion pipeline 52, Yi Jilian are equipped in shell 1
The flow control division 53 of pass-out liquid pipeline 51 and infusion pipeline 52.Infusion pipeline 52 straight down, stretches out infusion pump lower cover 12.Stream
Measure the stage portion for having annular in the circumferential wall of adjustment portion 53.Outlet tube road 51 with the pipeline of 12 one of infusion pump lower cover by sealing
13 closings.
Feeding device 2 includes dead ring 22, locking lid 23, check valve sheet 24, dosing rubber plug 25, dosing female connector 26 and nothing
Needle dosing connector 27 and locking folder 28.
Connector 4 is four-way connection, the horizontal liquid feeding end 41 equipped with connection feeding device 2, the side of two connection reservoirs 10
To port 42, and the vertical outlet end 43 on connection outlet tube road 51.
Check valve sheet 24 is located at the horizontal liquid feeding end 41 of connector 4, and Needleless dosing connector 27 is socketed in check valve sheet 24
Radial outside, dosing female connector 26 and Needleless dosing connector 27 are coaxially connected, and from infusion pump upper cover 11 and infusion pump lower cover
Seam crossing between 12 stretches out shell 1 horizontally outward.Dosing rubber plug 25 is located at dosing female connector 26 and Needleless dosing connector 27
Radially inner side.Dead ring 22 is located between the excircle and shell 1 of dosing female connector 26, for completing shell 1 and feed liquor dress
Set the sealing between 2.Locking folder 28 is socketed in the radial outside of Needleless dosing connector 27 and dosing female connector 26, dosing rubber plug
25, pass through 28 locking of locking folder between the horizontal liquid feeding end 41 of dosing female connector 26 and Needleless dosing connector 27 and connector 4.Lock
Tight lid 23 is closed in the outer liquid feeding end by dosing female connector 26 of shell 1.
It is connected by medical standard public affairs female Luer with dosing female connector 26, shifts utensil using syringe or other medical fluids
Medical fluid is injected in reservoir 10.Check valve sheet 24 is configured in feeding device 2, can be prevented medical fluid from flowing backwards, be reduced the wave of medical fluid
Take.
Stable-pressure device 3 includes pressure stabilizing valve deck 31, adjusting screw 32, spring 33, eardrum 34 and sealing ring 35.Stable-pressure device 3
It is corresponding with flow control division 53, the bottom surface of pressure stabilizing valve deck 31 and the roof face contact of flow control division 51.Spring 33 and eardrum 34
Coaxially connected, spring 33 is located inside pressure stabilizing valve deck 31, and eardrum 34 runs through pressure stabilizing valve deck 31 straight down, protrudes into flow control division
53, the lower end surface and the bottom wall face contact of flow control division 53 of eardrum 34.Pass through adjusting between spring 33 and pressure stabilizing valve deck 31
Screw 32 is coaxially connected.Sealing ring 35 is located at the bottom surface of pressure stabilizing valve deck 31, and the coaxial socket of eardrum 34, and with flow control division 53
Stage portion face contact.
In use, first removing locking lid 23 from feeding device 2, set is connected on infusion pipeline 52, by 52 envelope of infusion pipeline
It closes, is connected using medical standard public affairs female Luer with dosing female connector 26, shift utensil for medicine using syringe or other medical fluids
Liquid injects in reservoir 10 through feeding device 2 and connector 4.Since infusion pipeline 53 is shut, medical fluid is temporarily stored within reservoir
In 10, reservoir 10 is made of silica gel, has certain elasticity, is in tensioned state after filling medical fluid, generates to medical fluid certain
Extruding, formed reservoir 10 output pressure, i.e., to the input pressure of eardrum 34.
Stable-pressure device 3 using spring 33 adjust infusion pipeline 52 output pressure, stable-pressure device 3 work when, reservoir 10 it is defeated
It presses out and upward power is generated to 34 lower end surface of eardrum, spring 33 squeezes eardrum 34 and generates downward power, and the difference of two power is to rouse
Power caused by 34 lower end surface of film.From there through the big of 34 lower end surface of eardrum and 53 wall surface contact area of flow control division
It is small, can keep the stabilization of flow in infusion process, flow will not because of 10 memory drug storage liquid measure of reservoir reduction and subtract
Small, infusion pipeline 52 is pressed with metastable output.Medical fluid connects common infusion apparatus and just can after the outflow of infusion pipeline 53
Carry out normal infusion.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate that this is practical new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Variation, the modification of embodiment will all be fallen in the Claims scope of the utility model.
Claims (10)
1. a kind of disposable infusion pump, including shell and feeding device, reservoir built in the shell；It is characterized by:
The infusion pipeline for being additionally provided with horizontal outlet tube road in the shell, running through the shell straight down, and connection institute
State the flow control division on outlet tube road and the infusion pipeline；
The reservoir, the outlet tube road are connected to the feeding device；
Stable-pressure device is equipped in the flow control division, the stable-pressure device includes and the flow control division roof face contact
Pressure stabilizing valve deck and spring and eardrum；The spring is coaxially connected with the pressure stabilizing valve deck in the pressure stabilizing valve deck, the drum
The pressure stabilizing valve deck, the lower end surface of the eardrum and the stream are simultaneously run through in the bottom of the coaxially connected spring of film straight down
Measure the bottom wall face contact of adjustment portion.
2. a kind of disposable infusion pump according to claim 1, it is characterised in that: in the circumferential wall of the flow control division
Stage portion equipped with annular, the bottom surface of the pressure stabilizing valve deck is equipped with the sealing ring being socketed with the excircle of the eardrum, described close
Seal ring and the stage portion face contact.
3. a kind of disposable infusion pump according to claim 1, it is characterised in that: the spring and the pressure stabilizing valve deck it
Between pass through adjusting screw connect.
4. a kind of disposable infusion pump according to claim 1, it is characterised in that: the outlet tube road by with the shell
The pipeline of body one seals closing.
5. a kind of disposable infusion pump according to claim 1, it is characterised in that: the reservoir, the outlet tube road
It is connected to the feeding device by four-way connection, the four-way connection is equipped with the horizontal feed liquor for being connected to the feeding device
End, the lateral port of two connection reservoirs, and the vertical outlet end on the connection outlet tube road.
6. disposable infusion pump according to claim 5, it is characterised in that: the feeding device includes being located at the four-way
The check valve sheet of the horizontal liquid feeding end of connector and coaxially connected Needleless dosing connector and dosing female connector；The needleless
Dosing connector is socketed in the radial outside of the horizontal liquid feeding end of the four-way connection, and the dosing female connector stretches out horizontally outward
The radially inner side of the shell, the Needleless dosing connector and the dosing female connector is equipped with dosing rubber plug.
7. disposable infusion pump according to claim 6, it is characterised in that: between the shell and the dosing female connector
Equipped with dead ring.
8. disposable infusion pump according to claim 6, it is characterised in that: the feeding device further includes while can be with institute
State the locking lid of dosing female connector and infusion pipeline socket.
9. disposable infusion pump according to claim 6, it is characterised in that: the Needleless dosing connector and the dosing
The radial outside socket locking folder of female connector.
10. disposable infusion pump according to claim 6, it is characterised in that: the shell is by infusion pump upper cover and infusion
Pump lower cover is spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788309.7U CN208552711U (en) | 2017-12-20 | 2017-12-20 | A kind of disposable infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788309.7U CN208552711U (en) | 2017-12-20 | 2017-12-20 | A kind of disposable infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208552711U true CN208552711U (en) | 2019-03-01 |
Family
ID=65446045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721788309.7U Active CN208552711U (en) | 2017-12-20 | 2017-12-20 | A kind of disposable infusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208552711U (en) |
-
2017
- 2017-12-20 CN CN201721788309.7U patent/CN208552711U/en active Active
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| GR01 | Patent grant |