CN107496172A - Nutrition pump and its flow control methods - Google Patents
Nutrition pump and its flow control methods Download PDFInfo
- Publication number
- CN107496172A CN107496172A CN201710856017.0A CN201710856017A CN107496172A CN 107496172 A CN107496172 A CN 107496172A CN 201710856017 A CN201710856017 A CN 201710856017A CN 107496172 A CN107496172 A CN 107496172A
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- China
- Prior art keywords
- pump
- liquid
- nutrient solution
- pump housing
- nutrition
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0076—Feeding pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/008—Sensor means, e.g. for sensing reflux, acidity or pressure
- A61J15/0088—Sensor means, e.g. for sensing reflux, acidity or pressure for sensing parameters related to the device
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses the control method of a kind of nutrition pump and nutrition pump.The flushing valve that the present invention uses can realize the switching of nutrient solution and cleaning solution, and fed using continuation enteral nutrition, the generation of stomach and oesophagus discomfort can effectively be reduced, and the patient that can be limited for absorbability provides maximum nutritional support, improves the clinical therapeutic efficacy of enteral nutrition.Constructional device is simple, and cost is low, and effect is good.Flushing valve is arranged on nutrition pump without being provided on conduit so that need not together be passed into disuse together with flushing valve when changing conduit, flushing valve is used for multiple times, while reduces the difficulty of processing and cost of transfusion catheter.Device parameter can quickly be set using rotary encoder, it is easy to use.Fast installing seat it is rational in infrastructure, compact, reduce the volume of fixed seat, be also convenient for the operation removed and installed, fixed block is directly molded on the pump housing, reducing extra installation work step, improves operating efficiency, suitable for promote.
Description
Technical field
The present invention relates to a kind of medical instruments field, more particularly to a kind of nutrition pump and its flow control methods.
Background technology
In the prior art, medical pump is a kind of medical injection device at present, including micro-injection pump, micro transfusion
Pump, hydraulic pump etc..The effect of wherein most is the material by decoction or other needed by human body, accurate, uniform, lasting ground pump
Enter in vivo.Medical pump simple operation, timing, quantify, needed that material concentration, speed can be adjusted at any time according to the state of an illness.With medical treatment
Pump critical, nurse job amount can be mitigated, improve operating efficiency, accurately, safely, effectively coordinate doctor to rescue.It is right
In can not swallow or the people of dysphagia for, be typically necessary nutrition pump aid in reach absorb nutrition purpose.But
It is that nutrition pump on the market can only carry out a material being pumped into inside nutrient bag simultaneously substantially, and freely conduit can not be controlled to lead
Logical state, the material that can not be more pumped into simultaneously in two bags, especially for for the people for also needing to liquid make-up material, use
Efficiency is low, can not quickly meet to require, is unfavorable for accelerating patient's recovery constitution.
In addition, traditional controller for liquid flow, operation interface controls liquid input quantity more in the form of button
How much.There is shortcoming in this mode, i.e., function is single, inconvenient for operation, and easy fatigue failure.Existing medical pump exists simultaneously
Assisted suspension fixture structure during suspension is larger and complicated, dismounting trouble.
The content of the invention
For above-mentioned shortcoming and defect of the prior art, it is an object of the invention to provide a kind of swift to operate and intelligent
Nutrition pump and its flow control methods.
The purpose of the present invention is achieved through the following technical solutions：
A kind of nutrition pump, including the pump housing, pump dise, flushing valve, nutrient solution supply system, clear liquid supply system and operating surface
Plate, the guidance panel are arranged at the front end face of the pump housing, and the flushing valve and pump dise are from top to bottom in turn mounted on the pump housing, institute
State pump dise and driven by rotary electric machine and rotated；The nutrient solution supply system and clear liquid supply system include liquid pipe, two liquid
Pipe through after flushing valve by three-way connection connecting conduit；Conduit passes the pump housing after bypassing pump dise；The flushing valve includes valve body, institute
State and the groove that twice feed pipe passes through is provided with valve body, corresponding that motor is provided with per pass groove side, groove is corresponding
The cell wall of motor has breach；Also include crushing block, screw, the output shaft insertion of motor are provided with the crushing block
Axial movement of the crushing block along output shaft is driven in the screw, the crushing block is entered another with groove in groove by breach
Side cell wall extruding liquid pipe；The guidance panel includes：
Switch, turns on and off power supply；
Function switch button, the operation that selection is carried out by rotary encoder are supplied duration and grasped for regulation nutrient solution and clear liquid
Make the either operated in flow rate of regulation nutrient solution and clear liquid；
Rotary encoder, regulation nutrient solution is operated by knob and clear liquid supplies duration and either adjusts nutrient solution and clear
The flow velocity of liquid；
Display screen, show flow velocity and the remaining time of current supply liquid.
Preferably, pump housing rear end face is provided with fast installing seat, including fixed fixed seat, inserted in the fixed seat
There is fixed block of the integrated injection molding on the pump housing, the fixed block is provided with annular groove, and the fixed seat side is inserted with latch, institute
Latch front end is stated to be inserted in annular groove；Alignment pin is additionally provided with the pump housing, the fixed seat is provided with some and detent fit
Positioning hole.
Preferably, the fixed block bottom is provided with base, and the base is embedded in the pump housing；Pressing plate is connected with the pump housing, institute
State pressing plate and be provided with centre bore with base engagement, the platen cover is pressed on base, is additionally provided with the pressing plate and alignment pin
The through hole of cooperation；The base side is provided with the planar ends parallel to horizontal plane, and the surface of shell is recessed arc groove, described
Planar ends coordinate with arc groove side plane.
Preferably, in addition to WiFi module, the governor circuit of nutrition pump believe the intake of the nutrient solution/clear liquid collected
Breath is uploaded to cloud space by WiFi module and stored, and is easy to remotely check.
Preferably, three-way connection is between flushing valve and pump dise；Conduit is more than half-turn around pump dise and worn after being enclosed less than one
Go out the pump housing.
Preferably, the passage that the pump housing is passed for conduit is provided with the pump housing, the passage is vertically arranged in pump dise
Top, the interface of the three-way connection connecting conduit are located at the top of pump dise, and the interface of the three-way connection connecting conduit is with leading to
Lateral separation between road is more than the radius of pump dise and less than the diameter of pump dise.
Preferably, the one end for the pump housing being passed in conduit is connected with pipe joint.
Preferably, in addition to hanging beam, hanging beam corresponds to three-way connection and conduit is provided with neck through position.
A kind of flow control methods of nutrition pump, comprise the following steps：
S1, open the switch of nutrition pump；
S2, the liquid pipe for supplying nutrient solution and clear liquid is put into two grooves respectively, three-way connection is then installed to pump
On body, the Hall sensor on the pump housing senses passes signal back after changes of magnetic field to controller, and controller is to corresponding two liquid pipes
Motor send control signal, while two liquid pipes are closed；
S3, select the flow velocity of nutrient solution and/or clear liquid and supply duration to operate by function selection key, rotate rotation and compile
The flow velocity and supply duration of code device regulation nutrient solution and/or clear liquid；
S4；According to the nutrient solution and/or the flow velocity of clear liquid and supply duration set in step S3, controller is simultaneously to rotation
Motor and the motor of two liquid pipes send control signal：
S401, according to the control signal of controller, rotary electric machine adjusts the rotating speed of itself to adjust the rotating speed of pump dise, so as to
Change the flow velocity of liquid in conduit；
S402, when supplying nutrient solution, the motor of corresponding clear liquid supply system liquid pipe continues to drive crushing block to coordinate
Groove chokes clear liquid liquid pipe, while in the motor driving crushing block retraction breach of corresponding nutrient solution supply system liquid pipe；
S403, when supplying clear liquid, the motor of corresponding nutrient solution supply system liquid pipe continues to drive crushing block to coordinate
Groove chokes nutrient solution liquid pipe, while in the motor driving crushing block retraction breach of corresponding clear liquid supply system liquid pipe.
Preferably, when needing alternate supplies nutrient solution and clear liquid, two kinds of liquid are selected by function selection key respectively
Supply duration and flow velocity, currently supply liquid supply duration terminate after, controller is automatically to two different supply systems
The motor of liquid pipe is controlled, and switches the on off operating mode of two liquid pipes.
Compared with prior art, the embodiment of the present invention at least has advantages below：
The flushing valve that the present invention uses can realize the switching of nutrient solution and cleaning solution, and use continuation enteral nutrition
Feed, can effectively reduce the generation of stomach and oesophagus discomfort, and the patient that can be limited for absorbability provide at utmost
Nutritional support, improve the clinical therapeutic efficacy of enteral nutrition.And constructional device is simple, cost is low, and effect is good.In the present invention
Flushing valve be arranged on nutrition pump without being provided on conduit so that need not be together with flushing valve together when changing conduit
Pass into disuse, flushing valve is used for multiple times, while reduce the difficulty of processing and cost of transfusion catheter.Using rotary coding
Device, the multi-pass operation of numerical value is set different from button, knob encoder can quickly set device parameter, easy to use, behaviour
Experience.The change of pump dise rotating speed is driven by the rotation speed change of rotary electric machine, eventually affects the change of flow rate of liquid,
Control flow rate of liquid and the amount of liquid supplied in certain time in real time.
Fast installing seat it is rational in infrastructure, compact, reduce the volume of fixed seat, it is lighter, be also convenient for removing and installing
Operation, fixed block is directly molded on the pump housing, reducing extra installation work step, improves operating efficiency, suitable for promoting.
High in the clouds platform can be upload the data to by WiFi function to store, and be easy to medical personnel remotely to understand patient's nutrition
Intake simultaneously proposes targetedly to suggest.
Brief description of the drawings
Fig. 1 is the structural representation of nutrition pump of the present invention；
Fig. 2 is the front end face structural representation of nutrition pump of the present invention；
Fig. 3 is the structural representation of the flushing valve of nutrition pump of the present invention；
Fig. 4 is the fixed-block-architecture (FBA) schematic diagram of scheme one of the fast installing seat of nutrition pump of the present invention；
Fig. 5 is the fixed-block-architecture (FBA) schematic diagram of scheme two of the fast installing seat of nutrition pump of the present invention；
Fig. 6 is the sectional view in A-A directions in Fig. 4；
Fig. 7 is the sectional view in B-B directions in Fig. 5；
Fig. 8 is the sectional view in C-C directions in Fig. 5；
Fig. 9 is the attachment structure schematic diagram of scheme one of the fast installing seat of nutrition pump of the present invention；
Figure 10 is the attachment structure schematic diagram of scheme two of the fast installing seat of nutrition pump of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.Therefore, the reality of the invention to providing in the accompanying drawings below
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The invention will be further described with reference to the accompanying drawings and examples.
A kind of nutrition pump, including the pump housing 2, pump dise 16, flushing valve, nutrient solution supply system, clear liquid supply system and operation
Panel, the guidance panel are arranged at the front end face of the pump housing 2, and the flushing valve and pump dise 16 are from top to bottom in turn mounted to the pump housing
On 2, the pump dise 16 is driven by rotary electric machine to be rotated；The nutrient solution supply system and clear liquid supply system include liquid pipe
13, two liquid pipes 13 are passed through after flushing valve by the connecting conduit 17 of three-way connection 15；Conduit 17 is more than half-turn around pump dise 16 and is less than
The pump housing 2 is passed after one circle；The flushing valve includes valve body, and the groove 10 that twice feed pipe 13 passes through is provided with the valve body, right
That answers is provided with motor 11 in the side of per pass groove 10, and the cell wall of the corresponding motor 11 of groove 10 has breach；Also wrap
Crushing block 12 is included, screw is provided with the crushing block 12, the output shaft of motor 11 is inserted into driving extruding in the screw
Axial movement of the block 12 along output shaft, the crushing block 12 are entered in groove 10 by breach and extruded with the opposite side cell wall of groove 10
Liquid pipe 13, photoelectric sensor 14 is respectively arranged with the initiating terminal of the stroke of crushing block 12, crushing block 12 is driven by motor 11
It is dynamic to move along a straight line；The guidance panel includes：
Switch 21, turns on and off power supply；
Function switch button 22, when the operation that selection is carried out by rotary encoder 20 is adjusts nutrient solution and clear liquid supply
The long operation either operated in flow rate of regulation nutrient solution and clear liquid；
Rotary encoder 20, by knob operate regulation nutrient solution and clear liquid supply duration either adjust nutrient solution and
The flow velocity of clear liquid；
Display screen 23, show flow velocity and the remaining time of current supply liquid.
Specifically as shown in Fig. 4-Figure 10, fast installing seat, include the fixed seat 1 of fixation, be inserted with one in fixed seat 1
Fixed block 3 of the injection molding on the pump housing 2, fixed block 3 are provided with annular groove 4, and the side of fixed seat 1 is inserted with latch 5, the front end of latch 5
It is inserted in annular groove 4, the front edge of fixed block 3 is chamfering structure.
Latch is index pin, and index pin is threaded in fixed seat 1, and index pin front end top pressure is in annular groove 4.
The pump housing 2 is provided with alignment pin 6, and fixed seat 1 is provided with some positioning holes coordinated with alignment pin 6.
The bottom of fixed block 3 has base 7, and base 7 is embedded in the pump housing 2；When it is implemented, it is quick in order to assemble, base 7
Structure is generally rotary buckle structure, corresponding to have opening corresponding with rotary buckle structure on the pump housing 2 and in the pump housing 2
Inside has the groove rotated for rotary buckle structure, is interference fitted between the rotary buckle structure and groove internal chamber wall,
Rotary buckle structure is fixed in cavity by cavity wall.Ground can be implemented, the center of the rotary buckle structure has disk, disk outer rim
Two or more boss are formed (to can refer to the cabling blind patch on computer desk, in order to easy to assembly, typically set on disk
Two centrosymmetric boss), the insertion of the opening on the pump housing 2 is aligned during installation and then is blocked after rotating.
Scheme one：The pump housing 2 is connected with pressing plate 8, and pressing plate 8 is provided with the centre bore coordinated with base 7 and lid is pressed in base 7
On, pressing plate 8 is provided with the through hole coordinated with alignment pin 6.
Scheme two：The side of base 7 is provided with the planar ends parallel to horizontal plane, and the surface of the pump housing 2 is recessed arc groove 9, plane
End coordinates with the side plane of arc groove 9, the top surface of base 7 and the flush of housing 2.
Also include WiFi module, the governor circuit of nutrition pump passes through the intake information of the nutrient solution/clear liquid collected
WiFi module is uploaded to cloud space and stored, and is easy to remotely check.
Conduit 17 is more than half-turn and less than the pump housing 2 is passed after a circle around pump dise 16, and one end that the pump housing 2 is passed in conduit 17 connects
It is connected to pipe joint 19.Wrapping more than a circle may make pump dise 16 drive conduit 17 1 is logical to be subjected to displacement；Winding is less than half-turn
Liquid is pumped out because deadweight reason pump dise 16 may contact the extruded conduit 17 that can not closely do not stablize between conduit 17, and this is twined
Around mode so that conduit 17 fully contacts with pump dise 16, ensure pump dise 16 can abundant extruded conduit 17, make the liquid in conduit 17
Body periodically pumps out.
Three-way connection 15 hangs the lower section for being arranged on flushing valve, and the side of three-way connection 15 towards the pump housing 2 is provided with magnetic
Ring, Hall sensor is installed in the position of the corresponding three-way connection 15 of the pump housing 2, when liquid pipe 13 (contains three-way connection 15, three-way connection 15
With liquid pipe 13 can integrated molding, also can Assembling) when being installed on the pump housing 2, the Hall sensor on the pump housing 2 detects
Signal, it is automatic to drive crushing block 12 to choke clear liquid and nutrient solution liquid pipe simultaneously, it is therefore an objective to prevent from connecting between two pipes, avoid two
The mixing of two kinds of liquid occurs for the liquid level difference reason of bag liquid.The pump dise 16 is arranged on the lower section of three-way connection 15.Along from upper
Arranged to lower order so that liquid can be enriched in the side of pump dise 16 by self gravitation in conduit 17 so that pump dise 16 is extruding
During conduit 17, there is liquid to pump out at any time.
The passage that the pump housing 2 is passed for conduit 17 is provided with the pump housing 2, the passage is vertically arranged in the upper of pump dise 16
Side, the interface of the connecting conduit 17 of three-way connection 15 are located at the top of pump dise 16, the connecting conduit 17 of three-way connection 15
Lateral separation between interface and passage is more than the radius of pump dise 16 and less than the diameter of pump dise 16.Also include hanging beam 18, hang
The corresponding three-way connection 15 of drop in beam 18 and conduit 17 are provided with neck through position.Conduit 17 is limited by groove position in hanging beam 18
The number of turns wound on pump dise 16.
A kind of flow control methods of nutrition pump, comprise the following steps：
S1, open the switch 21 of nutrition pump；
S2, the liquid pipe for supplying nutrient solution and clear liquid is put into two grooves 10 respectively, then three-way connection 15 be installed
Onto the pump housing 2, the Hall sensor on the pump housing 2 senses passes signal back after changes of magnetic field to controller, and controller is to corresponding two
The motor 11 of root liquid pipe 13 sends control signal, is simultaneously closed two liquid pipes 13 by crushing block 12；
S3, select the flow velocity of nutrient solution and/or clear liquid and supply duration to operate by function selection key, rotate rotation and compile
Code device 20 adjusts the flow velocity and supply duration of nutrient solution and/or clear liquid；
S4；According to the nutrient solution and/or the flow velocity of clear liquid and supply duration set in step S3, controller is simultaneously to rotation
Motor and the motor of two liquid pipes 11 send control signal, wherein：
S401, according to the control signal of controller, rotary electric machine adjusts the rotating speed of itself to adjust the rotating speed of pump dise 16, from
And change the flow velocity of liquid in conduit 17；
S402, when supplying nutrient solution, the motor 11 of corresponding clear liquid supply system liquid pipe continues to drive crushing block 12
Groove 10 is coordinated to choke clear liquid liquid pipe 13, while the motor 11 of corresponding nutrient solution supply system liquid pipe drives crushing block 12 to contract
Return in breach；
S403, when supplying clear liquid, the motor 11 of corresponding nutrient solution supply system liquid pipe continues to drive crushing block 12
Groove 10 is coordinated to choke nutrient solution liquid pipe 13, while the motor 11 of corresponding clear liquid supply system liquid pipe drives crushing block 12 to contract
Return in breach.
When needing alternate supplies nutrient solution and clear liquid, when selecting the supply of two kinds of liquid respectively by function selection key
Long and flow velocity, after the liquid supply duration currently supplied terminates, controller is automatically to two different supply system liquid pipes 13
Motor 11 is controlled, and switches the on off operating mode of two liquid pipes 13.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (10)
1. a kind of nutrition pump, it is characterised in that including the pump housing, pump dise, flushing valve, nutrient solution supply system, clear liquid supply system
And guidance panel, the guidance panel are arranged at the front end face of the pump housing, the flushing valve and pump dise are from top to bottom in turn mounted to
On the pump housing, the pump dise is driven by rotary electric machine to be rotated；The nutrient solution supply system and clear liquid supply system include liquid
Pipe, two liquid pipes are passed through after flushing valve by three-way connection connecting conduit；Conduit passes the pump housing after bypassing pump dise；The flushing valve bag
Valve body is included, the groove that twice feed pipe passes through is provided with the valve body, it is corresponding that per pass groove side is provided with motor,
The cell wall that groove corresponds to motor has breach；Also include crushing block, be provided with screw on the crushing block, motor it is defeated
Shaft is inserted into axial movement of the driving crushing block along output shaft, the crushing block in the screw and entered by breach in groove
Liquid pipe is extruded with groove opposite side cell wall；The guidance panel includes：
Switch, turns on and off power supply；
Function switch button, selection by rotary encoder carry out operation for regulation nutrient solution and clear liquid supply duration operate or
Person is the operated in flow rate for adjusting nutrient solution and clear liquid；
Rotary encoder, regulation nutrient solution is operated by knob and clear liquid supplies duration either regulation nutrient solution and clear liquid
Flow velocity；
Display screen, show flow velocity and the remaining time of current supply liquid.
2. nutrition pump according to claim 1, it is characterised in that pump housing rear end face is provided with fast installing seat, including
Fixed fixed seat, fixed block of the integrated injection molding on the pump housing is inserted with the fixed seat, the fixed block is provided with
Annular groove, the fixed seat side are inserted with latch, and the latch front end is inserted in annular groove；Alignment pin is additionally provided with the pump housing, it is described
Fixed seat is provided with some and positioning hole of detent fit.
3. nutrition pump according to claim 2, it is characterised in that the fixed block bottom is provided with base, and the base is embedding
Enter in the pump housing；Pressing plate is connected with the pump housing, the pressing plate is provided with the centre bore with base engagement, and the platen cover is pressed in base
On, the through hole with detent fit is additionally provided with the pressing plate；The base side is provided with the planar ends parallel to horizontal plane, institute
State that surface of shell is recessed an arc groove, the planar ends coordinate with arc groove side plane.
4. nutrition pump according to claim 1, it is characterised in that also including WiFi module, the governor circuit of nutrition pump will
The intake information of the nutrient solution/clear liquid collected is uploaded to cloud space by WiFi module and stored, and is easy to remotely check.
5. nutrition pump according to claim 1, it is characterised in that three-way connection is between flushing valve and pump dise；Conduit
It is more than half-turn around pump dise and passes the pump housing after being enclosed less than one；The side of three-way connection towards the pump housing is provided with magnet ring, in the pump housing
The position installation Hall sensor of corresponding three-way connection.
6. nutrition pump according to claim 5, it is characterised in that be provided with the pump housing and pass the logical of the pump housing for conduit
Road, the passage are vertically arranged in the top of pump dise, and the interface of the three-way connection connecting conduit is located at the top of pump dise, described
Lateral separation between the interface and passage of three-way connection connecting conduit is more than the radius of pump dise and less than the diameter of pump dise.
7. nutrition pump according to claim 5, it is characterised in that one end that the pump housing is passed in conduit is connected with conduit and connect
Head.
8. according to the nutrition pump any one of claim 5-7, it is characterised in that also corresponding including hanging beam, hanging beam
Three-way connection and conduit are provided with neck through position.
9. a kind of flow control methods of nutrition pump, it is characterised in that comprise the following steps：
S1, open the switch of nutrition pump；
S2, the liquid pipe for supplying nutrient solution and clear liquid is put into two grooves respectively, then three-way connection is installed on the pump housing,
Hall sensor on the pump housing senses passes signal, driving of the controller to corresponding two liquid pipes back after changes of magnetic field to controller
Motor sends control signal, while two liquid pipes are closed；
S3, select the flow velocity of nutrient solution and/or clear liquid and supply duration to operate by function selection key, rotate rotary encoder
Adjust the flow velocity and supply duration of nutrient solution and/or clear liquid；
S4；According to the nutrient solution and/or the flow velocity of clear liquid and supply duration set in step S3, controller is simultaneously to rotary electric machine
Control signal is sent with the motor of two liquid pipes：
S401, according to the control signal of controller, rotary electric machine adjusts the rotating speed of itself to adjust the rotating speed of pump dise, so as to change
The flow velocity of liquid in conduit；
S402, when supplying nutrient solution, the motor of corresponding clear liquid supply system liquid pipe continues to drive crushing block to coordinate groove
Clear liquid liquid pipe is choked, while in the motor driving crushing block retraction breach of corresponding nutrient solution supply system liquid pipe；
S403, when supplying clear liquid, the motor of corresponding nutrient solution supply system liquid pipe continues to drive crushing block to coordinate groove
Nutrient solution liquid pipe is choked, while in the motor driving crushing block retraction breach of corresponding clear liquid supply system liquid pipe.
10. flow control methods according to claim 9, it is characterised in that when needing alternate supplies nutrient solution and clear liquid
When, select the supply duration and flow velocity of two kinds of liquid respectively by function selection key, duration is supplied in the liquid currently supplied
After end, controller is controlled to the motor of two different supply system liquid pipes automatically, switches the break-make of two liquid pipes
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710856017.0A CN107496172A (en) | 2017-09-19 | 2017-09-19 | Nutrition pump and its flow control methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710856017.0A CN107496172A (en) | 2017-09-19 | 2017-09-19 | Nutrition pump and its flow control methods |
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| CN107496172A true CN107496172A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710856017.0A Pending CN107496172A (en) | 2017-09-19 | 2017-09-19 | Nutrition pump and its flow control methods |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096035A (en) * | 2018-01-31 | 2018-06-01 | 深圳市贝斯曼精密仪器有限公司 | Feed pump |
| WO2019057054A1 (en) * | 2017-09-19 | 2019-03-28 | 浙江迈帝康医疗器械有限公司 | Liquid switching valve for nutrition pump and nutrition pump |
| CN109846716A (en) * | 2019-01-31 | 2019-06-07 | 浙江迈帝康医疗器械有限公司 | A kind of nutrition pump, infusion apparatus, control valve and liquid control method |
| CN110507546A (en) * | 2019-09-18 | 2019-11-29 | 合肥市第二人民医院 | A kind of washing pipe device for enteral nutrition pipe |
| CN110575395A (en) * | 2018-06-07 | 2019-12-17 | 郑州大学第一附属医院 | Automatic rice feeding machine |
| WO2021146374A1 (en) * | 2020-01-15 | 2021-07-22 | Vesco Medical Llc | Feed and flush delivery device |
| CN113274294A (en) * | 2021-05-25 | 2021-08-20 | 四川大学华西医院 | Gastrointestinal digestive juice and nutrient solution mixed input connector |
| CN113288802A (en) * | 2021-05-07 | 2021-08-24 | 闫一娇 | Nutrient solution supply device |
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| CN105616167A (en) * | 2016-02-26 | 2016-06-01 | 杨冉 | Enteral nutrition infusion and blood glucose control integrated machine and control method |
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| WO2019057054A1 (en) * | 2017-09-19 | 2019-03-28 | 浙江迈帝康医疗器械有限公司 | Liquid switching valve for nutrition pump and nutrition pump |
| CN108096035A (en) * | 2018-01-31 | 2018-06-01 | 深圳市贝斯曼精密仪器有限公司 | Feed pump |
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| CN110575395A (en) * | 2018-06-07 | 2019-12-17 | 郑州大学第一附属医院 | Automatic rice feeding machine |
| CN109846716A (en) * | 2019-01-31 | 2019-06-07 | 浙江迈帝康医疗器械有限公司 | A kind of nutrition pump, infusion apparatus, control valve and liquid control method |
| WO2020155282A1 (en) * | 2019-01-31 | 2020-08-06 | 浙江迈帝康医疗器械有限公司 | Nutrition pump, infusion device, control valve and liquid control method |
| CN110507546A (en) * | 2019-09-18 | 2019-11-29 | 合肥市第二人民医院 | A kind of washing pipe device for enteral nutrition pipe |
| WO2021146374A1 (en) * | 2020-01-15 | 2021-07-22 | Vesco Medical Llc | Feed and flush delivery device |
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