CN204158805U - A kind of rotary Flow-rate adjustment infusion pump - Google Patents
A kind of rotary Flow-rate adjustment infusion pump Download PDFInfo
- Publication number
- CN204158805U CN204158805U CN201420521774.4U CN201420521774U CN204158805U CN 204158805 U CN204158805 U CN 204158805U CN 201420521774 U CN201420521774 U CN 201420521774U CN 204158805 U CN204158805 U CN 204158805U
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- China
- Prior art keywords
- rotary flow
- pod apertures
- motor
- sleeve
- inner sleeve
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of rotary Flow-rate adjustment infusion pump, comprise plug, reservoir, sheath capsule, tube for transfusion, fluid infusion port and rotary flow regulator; Described rotary flow regulator comprises outer sleeve, inner sleeve, motor and left end cap; The dismountable left end being arranged on outer sleeve of described left end cap, and left end cap connects tube for transfusion; The stator of described motor is arranged on the right-hand member of outer sleeve, and described inner sleeve is arranged on the inside of outer sleeve, and the right-hand member of inner sleeve is connected with the rotor of motor, and inner sleeve can rotate relative to outer sleeve under the effect of the rotor of motor; Described outer sleeve is also provided with some outer pod apertures, described inner sleeve is provided with the internal layer pod apertures of the suitable use of some and outer pod apertures, and described outer pod apertures is connected with mozzle separately, and described mozzle is connected to fluid infusion port.Regulative mode is simple, rotates just can complete adjustment, smart structural design by means of only motor.
Description
Technical field
This utility model relates to a kind of infusion pump, specifically a kind of rotary Flow-rate adjustment infusion pump.
Background technology
Infusion pump, as a kind of device for output liquid and gas, is widely used in the trace such as postoperative analgesia, chemotherapy and continues or the situation of interrupted continuous administration; The use of infusion pump can by doctors and nurses to patient's auxiliary injection, also pharmaceutical quantities can be adjusted according to the degree of pain voluntarily by patient, if dose is very few, then do not reach analgesic effect, if pharmaceutical quantities is excessive, having side effects then to patient, therefore the adjustment of pharmaceutical quantities is a very important problem.
Most of infusion pumps traditionally control the infusion pump of flow by various valve, this control mode due to structure too simple, cause flow-control inaccurate, the scope of flow-control is less, and uses extremely inconvenient.
Utility model content
The purpose of this utility model is the deficiency existed for prior art, provides a kind of rotary Flow-rate adjustment infusion pump.
For achieving the above object, the method that this utility model adopts is: a kind of rotary Flow-rate adjustment infusion pump, comprises plug, reservoir, sheath capsule, tube for transfusion, fluid infusion port and rotary flow regulator; Described reservoir is tightly placed in mandrel outer, and the both ends of reservoir are connected with the both ends of plug, described sheath capsule is enclosed within the outside of reservoir, the center of described plug is provided with medicine liquid channel, and the upper end of plug is provided with medicinal liquid import, lower end is medicine liquid outlet and is connected with tube for transfusion, described tube for transfusion is provided with valve, and tube for transfusion is communicated on rotary flow regulator, described rotary flow regulator is communicated in fluid infusion port, and described rotary flow regulator comprises outer sleeve, inner sleeve, motor and left end cap; The dismountable left end being arranged on outer sleeve of described left end cap, and left end cap connects tube for transfusion; The stator of described motor is arranged on the right-hand member of outer sleeve, and described inner sleeve is arranged on the inside of outer sleeve, and the right-hand member of inner sleeve is connected with the rotor of motor, and inner sleeve can rotate relative to outer sleeve under the effect of the rotor of motor; Described outer sleeve is also provided with some outer pod apertures, described inner sleeve is provided with the internal layer pod apertures of the suitable use of some and outer pod apertures, and described outer pod apertures is connected with mozzle separately, and described mozzle is connected to fluid infusion port.
As preferably, described inside and outside layer pod apertures is respectively provided with 4, and after the every 90-degree rotation of inner sleeve, two in inner and outer sleeves on same radial section inside and outside pod apertures overlap; After inner sleeve is with rotor 90-degree rotation, two the inside and outside pod apertures that always have in inner and outer sleeves on same radial section can overlap and only have these two pod apertures to coincide, thus be communicated with the mozzle be connected with outer pod apertures, and the cross-sectional area of each mozzle is all not identical, so the flow of each mozzle is not identical yet, each mozzle is connected to fluid infusion port, thus provides the medicinal liquid of different flows; Therefore the position rotated according to inner sleeve is different, selects the inside and outside pod apertures on different radial section to overlap, just can provide the medicinal liquid of different flow, and structure very ingenious, uses very convenient.
As preferably, described mozzle is provided with 4 altogether, is respectively first, second, third and fourth mozzle; And the cross-sectional area of four mozzles is respectively 1/5,2/5,3/5 and 4/5 of tube for transfusion cross-sectional area; The cross-sectional area of tube for transfusion of the present utility model is arranged according to the situation of patient's actual injection dose, 4 mozzles are set in addition, the Flow-rate adjustment pipeline of 4 different gears is provided, considerably increase the scope of Flow-rate adjustment, and maximum stream flow is 4/5 of tube for transfusion in 4 mozzles, as the lowest limit of patient safety medication, ensure the absolute safety of patient.
As preferably, between described inside and outside layer sleeve, be also provided with smooth bed course; The setting of smooth bed course is the rotation in order to make inner and outer sleeves convenient.
As preferably, also comprise PLC, described PLC is connected with motor, and control step motor rotates; In order to enable inner sleeve rotate accurately, the accurate control step motor of PLC is set.
As preferably, described left end cap and outer sleeve are threaded connection.
Beneficial effect: in this utility model is arranged, outer sleeve, and corresponding pod apertures is set on inside and outside sleeve, the outer pod apertures making Inner guide hole by the rotation of inner sleeve and be connected with mozzle coincides, inner sleeve rotates different angles, just have Different Diameter on cross section in, outer pod apertures coincides, and outer mozzle is connected to the mozzle of different cross-sectional, therefore the mozzle of different flow can be selected to use to patient, its regulative mode is simple, rotate by means of only motor and just can complete adjustment, smart structural design, more regulate accurately by PLC, 4 mozzles are set, range of accommodation is broad, and being perfectly safe of patient can be ensured, and the mounting cover of housing can remove and install, assembly and disassembly is all more convenient.
Accompanying drawing explanation
Fig. 1 is this utility model schematic diagram;
Fig. 2 is pod apertures structural representation on same radial section in inner and outer sleeves in this utility model;
Fig. 3 is the position corresponding diagram of pod apertures in the inner and outer sleeves launched in this utility model;
Arrow logo direction of rotation in figure.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate this utility model further, the present embodiment is implemented under premised on technical solutions of the utility model, should understand these embodiments and only be not used in restriction scope of the present utility model for illustration of this utility model.
As shown in Figure 1, a kind of rotary Flow-rate adjustment infusion pump, comprises plug 1, reservoir 2, sheath capsule 3, tube for transfusion 4, fluid infusion port 5 and rotary flow regulator; Described reservoir 2 is tightly placed in outside plug 1, and the both ends of reservoir 2 are connected with the both ends of plug 1, described sheath capsule 3 is enclosed within the outside of reservoir 2, the center of described plug 1 is provided with medicine liquid channel, and the upper end of plug 1 is provided with medicinal liquid import 6, lower end is medicine liquid outlet and is connected with tube for transfusion 4, described tube for transfusion 4 is provided with valve 7, and tube for transfusion 4 is communicated on rotary flow regulator, described rotary flow regulator is communicated in fluid infusion port 5, and described rotary flow regulator comprises outer sleeve 8, inner sleeve 9, motor 10 and left end cap 11; The dismountable left end being arranged on outer sleeve 8 of described left end cap 11, and left end cap 11 connects tube for transfusion 4; The stator of described motor 10 is arranged on the right-hand member of outer sleeve 8, described inner sleeve 9 is arranged on the inside of outer sleeve 8, and the right-hand member of inner sleeve 9 is connected with the rotor of motor 10, and inner sleeve 9 can rotate relative to outer sleeve 8 under the effect of the rotor of motor 10; Described outer sleeve 8 is also provided with some outer pod apertures 16, described inner sleeve 9 is provided with the internal layer pod apertures 12 of the suitable use of some and outer pod apertures 16, described outer pod apertures 11 is connected with mozzle 13 separately, and described mozzle 13 is connected to fluid infusion port 5.
Concrete, described inside and outside layer pod apertures is respectively provided with 4, and after inner sleeve 9 often rotates 90 angles, two in inner and outer sleeves on same radial section inside and outside pod apertures overlap.
Concrete, described mozzle 13 is provided with 4 altogether, is respectively first, second, third and fourth mozzle; And the cross-sectional area of four mozzles is respectively 1/5,2/5,3/5 and 4/5 of tube for transfusion cross-sectional area.
As shown in Figure 2, concrete, be also provided with smooth bed course 14 between described inside and outside layer sleeve.
Concrete, also comprise PLC 15, described PLC 15 is connected with motor 10, and control step motor 10 rotates.
Concrete, described left end cap 11 is threaded connection with outer sleeve 8.
As shown in Figure 3, in of the present utility model, inside and outside pod apertures in first radial direction on outer sleeve overlaps, after entering into inner sleeve by medicinal liquid, the first mozzle can be flowed to from pod apertures first radial direction, and after inner sleeve is with rotor 90-degree rotation, pod apertures in second radial direction overlaps, first radial upper pod apertures then no longer overlaps, then medicinal liquid flows to the second mozzle, and after inner sleeve continues half-twist, pod apertures in 3rd radial direction coincides, medicinal liquid flows into the 3rd mozzle, the pod apertures of the 4th radial direction is also the same principle, and and the cross-sectional area of each mozzle is all not identical, so the flow of each mozzle is not identical yet, each mozzle is connected to fluid infusion port, thus the medicinal liquid of different flows is provided, therefore the position rotated according to inner sleeve is different, selects the inside and outside pod apertures on different radial section to overlap, just can provide the medicinal liquid of different flow, and structure very ingenious, uses very convenient.
Claims (6)
1. a rotary Flow-rate adjustment infusion pump, comprises plug (1), reservoir (2), sheath capsule (3), tube for transfusion (4), fluid infusion port (5) and rotary flow regulator, described reservoir (2) is tightly placed in plug (1) outward, and the both ends of reservoir (2) are connected with the both ends of plug (1), described sheath capsule (3) is enclosed within the outside of reservoir (2), the center of described plug (1) is provided with medicine liquid channel, and the upper end of plug (1) is provided with medicinal liquid import (6), lower end is medicine liquid outlet and is connected with tube for transfusion (4), described tube for transfusion (4) is provided with valve (7), and tube for transfusion (4) is communicated on rotary flow regulator, described rotary flow regulator is communicated in fluid infusion port (5), it is characterized in that: described rotary flow regulator comprises outer sleeve (8), inner sleeve (9), motor (10) and left end cap (11), the dismountable left end being arranged on outer sleeve (8) of described left end cap (11), and left end cap (11) connects tube for transfusion (4), the stator of described motor (10) is arranged on the right-hand member of outer sleeve (8), described inner sleeve (9) is arranged on the inside of outer sleeve (8), and the right-hand member of inner sleeve (9) is connected with the rotor of motor (10), and inner sleeve (9) can rotate relative to outer sleeve (8) under the effect of the rotor of motor (10), described outer sleeve (8) is also provided with some outer pod apertures (16), described inner sleeve (9) is provided with the internal layer pod apertures (12) of the suitable use of some and outer pod apertures (16), described outer pod apertures (11) is connected with mozzle (13) separately, and described mozzle (13) is connected to fluid infusion port (5).
2. a kind of rotary Flow-rate adjustment infusion pump according to claim 1, it is characterized in that: described inside and outside layer pod apertures is respectively provided with 4, and after the every 90-degree rotation of inner sleeve (9), two in inner and outer sleeves on same radial section inside and outside pod apertures overlap.
3. a kind of rotary Flow-rate adjustment infusion pump according to claim 1, is characterized in that: described mozzle (13) is provided with 4 altogether, is respectively first, second, third and fourth mozzle; And the cross-sectional area of four mozzles is respectively 1/5,2/5,3/5 and 4/5 of tube for transfusion cross-sectional area.
4. a kind of rotary Flow-rate adjustment infusion pump according to claim 1, is characterized in that: be also provided with smooth bed course (14) between described inside and outside layer sleeve.
5. a kind of rotary Flow-rate adjustment infusion pump according to claim 1, it is characterized in that: also comprise PLC (15), described PLC (15) is connected with motor (10), and control step motor (10) rotates.
6. a kind of rotary Flow-rate adjustment infusion pump according to claim 1, is characterized in that: described left end cap (11) and outer sleeve (8) are threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521774.4U CN204158805U (en) | 2014-11-27 | 2014-11-27 | A kind of rotary Flow-rate adjustment infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521774.4U CN204158805U (en) | 2014-11-27 | 2014-11-27 | A kind of rotary Flow-rate adjustment infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204158805U true CN204158805U (en) | 2015-02-18 |
Family
ID=52532541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420521774.4U Expired - Fee Related CN204158805U (en) | 2014-11-27 | 2014-11-27 | A kind of rotary Flow-rate adjustment infusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204158805U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039471A (en) * | 2016-06-16 | 2016-10-26 | 秦爱玉 | Accurate and quantitative infusion device |
| CN106039470A (en) * | 2016-06-16 | 2016-10-26 | 秦爱玉 | System realizing adjustment on drip velocity of oxytocin according to maternal uterine contraction |
| CN106267464A (en) * | 2015-05-25 | 2017-01-04 | 美敦力公司 | Hydraulic, fluid infusion device and manufacture method thereof |
| CN110898286A (en) * | 2019-11-13 | 2020-03-24 | 袁红斌 | Infusion pump with adjustable flow rate and flow rate regulator thereof |
-
2014
- 2014-11-27 CN CN201420521774.4U patent/CN204158805U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267464A (en) * | 2015-05-25 | 2017-01-04 | 美敦力公司 | Hydraulic, fluid infusion device and manufacture method thereof |
| CN106039471A (en) * | 2016-06-16 | 2016-10-26 | 秦爱玉 | Accurate and quantitative infusion device |
| CN106039470A (en) * | 2016-06-16 | 2016-10-26 | 秦爱玉 | System realizing adjustment on drip velocity of oxytocin according to maternal uterine contraction |
| CN110898286A (en) * | 2019-11-13 | 2020-03-24 | 袁红斌 | Infusion pump with adjustable flow rate and flow rate regulator thereof |
| CN110898286B (en) * | 2019-11-13 | 2024-08-13 | 上海长征医院 | Infusion pump capable of adjusting flow rate and flow rate regulator thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20181127 |