CN211584637U - Adjustable flow rate infusion pump and flow rate regulator of infusion pump - Google Patents
Adjustable flow rate infusion pump and flow rate regulator of infusion pump Download PDFInfo
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- CN211584637U CN211584637U CN201921959730.9U CN201921959730U CN211584637U CN 211584637 U CN211584637 U CN 211584637U CN 201921959730 U CN201921959730 U CN 201921959730U CN 211584637 U CN211584637 U CN 211584637U
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Abstract
The utility model discloses an adjustable velocity of flow infusion pump and velocity of flow regulator of infusion pump relates to medical instrument technical field. A flow-rate-adjustable infusion pump comprises a liquid storage part and a flow rate regulator which are communicated through a connecting pipeline, wherein the output end of the flow rate regulator is provided with a liquid outlet; the flow rate regulator comprises a valve core and a shell, wherein the valve core is sleeved inside the shell and can rotate relative to the shell; the liquid medicine flow regulating valve is characterized in that a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shell, a plurality of flow guide pipes with different flow conducting rates are arranged in the valve core, the flow guide pipes are equidistantly arranged on the vertical surface of the valve core in a layered mode, each layer of flow guide pipe and other layers of flow guide pipes are arranged in an angled mode, and one flow guide pipe in the valve core is regulated through rotating the valve core and is communicated with the liquid inlet pipeline and the liquid outlet pipeline on the shell to provide corresponding liquid medicine flow. The utility model discloses the regulative mode is simple, can accurate regulation flow, and is convenient for install and dismantle.
Description
Technical Field
The utility model relates to the technical field of medical equipment.
Background
Infusion pumps, as a device for delivering liquids and gases, are widely used for continuous or intermittent administration of a small amount of medication such as postoperative analgesia, chemotherapy, etc.; the infusion pump can be used for assisting the injection of a patient through doctors and nurses, and can also be used for adjusting the dosage of the medicament according to the pain degree by the patient, if the dosage is too small, the analgesic effect cannot be achieved, and if the dosage is too large, the side effect is generated on the patient, so the adjustment of the dosage of the medicament is an important problem. Accordingly, infusion pumps are typically equipped with a flow regulator for controlling the flow rate of the liquid in the infusion line.
At present, a flow regulator in an infusion apparatus is basically of a gate tube type, flow is easy to change along with time change in a pipeline controlled by the gate tube type regulator, and the problems of low regulation precision and unstable flow change exist in practical application. In order to realize precise adjustment, the prior art also provides a rotary precise flow regulator, and compared with a brake pipe type flow regulator, the rotary precise flow regulator has the advantages of better sealing performance, higher flow regulation precision, and too complex internal structure, and for a regulator with smaller volume requirement, the too complex internal structure causes the flow regulator to be difficult to perform injection molding, the flow error between finished products is larger, the yield is low, and the large-scale popularization is difficult to realize.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough in , provide an adjustable velocity of flow infusion pump and infusion pump's velocity of flow regulator. The utility model provides an adjustable velocity of flow infusion pump, the honeycomb duct and the inlet liquid pipeline and the drain pipe intercommunication of different flow on in the rotatory messenger case that makes through the case consequently can select different liquid medicine flows, and its regulative mode is simple, can accurate regulated flow, and is convenient for install and dismantle.
To achieve the above object, the present invention provides the following solution
A flow-rate-adjustable infusion pump comprises a liquid storage part and a flow rate regulator which are communicated through a connecting pipeline, wherein the output end of the flow rate regulator is provided with a liquid outlet;
the flow rate regulator comprises a valve core and a shell, wherein the valve core is sleeved inside the shell and can rotate relative to the shell; the liquid medicine flow regulating valve is characterized in that a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shell, a plurality of flow guide pipes with different flow conducting rates are arranged in the valve core, the flow guide pipes are equidistantly arranged on the vertical surface of the valve core in a layered mode, each layer of flow guide pipe and other layers of flow guide pipes are arranged in an angled mode, and one flow guide pipe in the valve core is regulated through rotating the valve core and is communicated with the liquid inlet pipeline and the liquid outlet pipeline on the shell to provide corresponding liquid medicine flow.
Furthermore, the pipe diameters of all layers of flow guide pipes in the valve core are the same, and the flow conducting rate of the flow guide pipe is adjusted by installing flow limiting pipes with the same outer diameter and inner diameter but different lengths in the pipeline of the flow guide pipe.
Furthermore, 4 flow guide pipes are arranged in the valve core, the 4 flow guide pipes are arranged on the vertical surface of the valve core in 4 layers at equal intervals, and the 4 flow guide pipes are uniformly distributed at an angle of 45 degrees on the horizontal surface of the valve core; and one guide pipe in the valve core can be communicated with the liquid inlet pipeline and the liquid outlet pipeline when the valve core rotates by 45 degrees.
Furthermore, 4 honeycomb ducts pass through the center line of the valve core and penetrate through the valve core, and the conduction flow of the honeycomb ducts is 2ml/h, 4ml/h, 6ml/h and 8ml/h from small to large.
Further, the liquid inlet pipeline on the shell comprises a liquid inlet pipe and a liquid medicine inflow groove, and an outlet of the liquid inlet pipe is communicated with the liquid medicine inflow groove; the liquid outlet pipeline comprises a liquid outlet pipe and a liquid medicine outflow groove, an inlet of the liquid outlet pipe is communicated with the liquid medicine outflow groove, and an outlet of the liquid outlet pipe is a liquid outlet; the rotary valve core enables one guide pipe to correspond to the liquid medicine inlet groove and the liquid medicine outlet groove, so that liquid medicine can enter the liquid outlet pipe from the liquid inlet pipe through the guide pipe to reach the liquid outlet.
Further, the liquid inlet pipe and the liquid outlet pipe are arranged at an angle of 180 degrees, the liquid medicine flowing into the groove and the liquid medicine flowing out of the groove are vertically arranged on the shell and are the same in height, and the height of each layer of flow guide pipe capable of covering the valve core enables the two ends of each layer of flow guide pipe to correspond to the liquid medicine flowing into the groove and the liquid medicine flowing out of the groove respectively.
Furthermore, the shell is provided with position indication marks of the liquid medicine inflow groove and the liquid medicine outflow groove, and the surface of the valve core is provided with a rotating handle and position indication marks and/or flow indication marks of each guide pipe.
Further, the liquid outlet is provided with a liquid outlet joint, and the connecting pipeline is provided with a medicine adding port for adding medicine.
Further, the liquid storage part comprises a pump shell and a silica gel liquid storage bag arranged in a cavity formed by the pump shell.
The utility model also provides a flow rate regulator of the infusion pump, which comprises a valve core and a shell, wherein the valve core is sleeved in the shell and can rotate relative to the shell; the liquid medicine flow regulating valve is characterized in that a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shell, a plurality of flow guide pipes with different flow conducting rates are arranged in the valve core, the flow guide pipes are equidistantly arranged on the vertical surface of the valve core in a layered mode, each layer of flow guide pipe and other layers of flow guide pipes are arranged in an angled mode, and one flow guide pipe in the valve core is regulated through rotating the valve core and is communicated with the liquid inlet pipeline and the liquid outlet pipeline on the shell to provide corresponding liquid medicine flow.
The utility model discloses owing to adopt above technical scheme, compare with prior art, as the example, have following advantage and positive effect through the rotatory honeycomb duct and the liquid inlet pipe way and the drain pipe intercommunication that makes different conduction flow in the case of case, consequently can select different liquid medicine flows, its regulative mode is simple, can accurate regulation flow, and is convenient for install and dismantle.
Drawings
Fig. 1 is a schematic structural view of an adjustable flow rate infusion pump according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a flow rate regulator according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a housing of a flow rate regulator according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the valve core installed in the housing according to the embodiment of the present invention.
Fig. 5 is a front view of a flow rate regulator according to an embodiment of the present invention.
Fig. 6 is a side view of a flow rate regulator according to an embodiment of the present invention.
Fig. 7 is a schematic flow rate adjustment diagram of a flow rate adjuster according to an embodiment of the present invention.
Reference character
An adjustable flow rate infusion pump 10;
a liquid storage part 100, a pump shell 110, a cavity 120 and a liquid storage bag 130;
a flow rate regulator 200;
the valve core 210, the shell 211, the delivery pipe 212, the rotating handle 213 and the indicating mark 214;
the device comprises a shell 220, a shell 221, a groove 222, a liquid inlet pipe 223, a liquid medicine inflow groove 224, a liquid outlet pipe 225, a liquid medicine outflow groove 226 and a groove indication mark 227;
a fluid inlet 280, a fluid outlet 290;
the connection pipe 300 is connected to the outside of the container,
the liquid outlet joint 400 is arranged on the upper surface of the shell,
a dosing port 500.
Detailed Description
The adjustable flow rate infusion pump and the flow rate regulator of the infusion pump of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments. Thus, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
It should be noted that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes should fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and purposes that the present invention can achieve. The scope of the preferred embodiments of the present invention includes other implementations in which functions may be performed out of the order described or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
Examples
Referring to fig. 1, an adjustable flow rate infusion pump is provided for an embodiment of the present invention.
The adjustable flow rate infusion pump 10 comprises a liquid storage part 100 and a flow rate regulator 200 which are communicated through a connecting pipeline 300, wherein the output end of the flow rate regulator 200 is provided with a liquid outlet 290.
The liquid outlet 290 may be provided with a liquid outlet joint 400, as required.
The connecting pipeline 300 can be provided with a medicine adding port so that an operator can add medicines according to needs.
The reservoir 100 includes a pump housing 110 and a silicone reservoir 130 mounted within a cavity 120 formed by the pump housing 110. Of course, the reservoir 130 can be made of other materials as required, which should not be construed as limiting the structure of the present invention.
The flow rate regulator 200 includes a regulating valve composed of a valve core 210 and a housing 220. Referring to fig. 2, the spool sleeve 210 is received in an internal recess of the housing 220 and is rotatable relative to the housing 220.
The outer shell 220 is provided with a liquid inlet pipeline and a liquid outlet pipeline, the valve core 210 is provided with a plurality of guide pipes 220 with different conduction flow rates, the guide pipes 220 are arranged in layers at equal intervals on the vertical surface of the valve core 210, and each layer of guide pipe 220 and other layers of guide pipes 220 are arranged at an angle. In operation, one of the flow tubes 220 of the valve core is adjusted by rotating the valve core 210 to communicate with the liquid inlet and outlet pipes on the housing to provide corresponding liquid medicine flow.
In this embodiment, the housing 211 of the valve core 210 preferably has a cylindrical structure, and a plurality of flow conduits 220 are arranged in layers at equal intervals on the vertical surface of the cylinder, and each layer is provided with one flow conduit 220.
The housing 221 of the housing 220 has an elliptic cylinder structure, and a cylindrical groove 222 is formed in the housing 221, and the size of the cylindrical groove 222 is matched with that of the housing 211 of the valve core 210, so that the housing 211 of the valve core 210 can be accommodated in the groove 222.
In this embodiment, the tube diameters of the flow guide tubes 212 of the valve cores 210 are the same, and the flow rate of the flow guide tube is adjusted by installing flow-limiting tubes with the same outer diameter and inner diameter but different lengths in the tubes of the flow guide tubes 212. At this point, the flow rate of the infusion pump is adjusted to the tubing flow rate of the corresponding delivery tube 212.
Preferably, as a typical mode, 4 flow guide pipes 212 are arranged in the valve core 210, and the 4 flow guide pipes 212 are arranged in 4 layers at equal intervals on the vertical surface of the valve core 210.
Meanwhile, the 4 flow guide pipes 212 are uniformly distributed at an angle of 45 degrees on the horizontal plane of the valve core 210. Thus, for every 45 degrees of rotation of the valve core 210, one of the fluid conduits 212 of the valve core 210 can communicate with the fluid inlet and outlet lines of the housing 220.
Preferably, the 4 delivery pipes 212 each pass through the valve body 210 along the center line thereof. Taking the valve core 210 as a cylinder, that is, 4 delivery tubes 212 pass through the axis of the rotation surface of the fixed straight line of the cylinder, and the length of the delivery tube 212 is the diameter of the circular surface of the cylinder. In this embodiment, the flow rate of the flow guide tube 212 is 2ml/h, 4ml/h, 6ml/h and 8ml/h sequentially from small to large.
As shown in fig. 2 and 3, the liquid inlet pipe on the housing 220 may include a liquid inlet pipe 223 and a liquid medicine inlet groove 224, and an outlet of the liquid inlet pipe 223 is communicated with the liquid medicine inlet groove 224; the liquid outlet pipe comprises a liquid outlet pipe 225 and a liquid medicine outflow groove 226, an inlet of the liquid outlet pipe 225 is communicated with the liquid medicine outflow groove 226, and an outlet of the liquid outlet pipe 225 is a liquid outlet 290. In operation, rotation of the valve core 210 causes a fluid conduit 212 to correspond to the fluid inlet slot 224 and the fluid outlet slot 226, such that fluid may enter through the fluid conduit 212 from the fluid inlet 280 and then through the fluid inlet 223 into the fluid outlet 225 to the fluid outlet 290.
As shown in fig. 3 and 4, the liquid inlet pipe 223 and the liquid outlet pipe 225 are arranged at an angle of 180 degrees, and the liquid medicine inlet groove 224 and the liquid medicine outlet groove 226 are vertically arranged on the housing 220 and have the same height. As shown in fig. 2, 5 and 6, inlets of the respective fluid conduits may be communicated with the chemical solution inlet groove 224, and outlets of the respective fluid conduits may be communicated with the chemical solution outlet groove 226. Therefore, both ends of each layer of the flow guide tube 212 can be respectively corresponding to the chemical liquid inflow groove 224 and the chemical liquid outflow groove 226.
In this embodiment, it is preferable that the housing 220 is provided with position indicators of the liquid inlet 224 and the liquid outlet 226, the valve core 210 is provided with a rotation handle 213 on the surface thereof, and the position indicators and/or the flow indicators of the respective delivery tubes 212.
The position indication marks can indicate the horizontal position of each flow guide pipe in the valve core, and an operator can conveniently adjust the rotation angle to select the corresponding flow guide pipe. By way of example and not limitation, triangular markers may be used, for example.
The flow indicating mark corresponds to the conduction flow of the flow guide pipe, so that an operator can conveniently adjust the rotation angle to select the corresponding flow. By way of example and not limitation, scale values, such as arabic numerals 2, 4, 6, and 8, are provided on the surface of the case of the valve core 210 according to the conduction flow values of the flow guide tube, such as 2ml/h, 4ml/h, 6ml/h, and 8ml/h, to represent the corresponding flow values, or the corresponding flow magnitudes are represented by grade values, such as i, ii, iii, and sex.
By way of example only, the flow adjustment process of the adjustable flow rate infusion pump 10 described above is described in detail below with reference to fig. 7.
At first, under the original condition, the utility model discloses a case 210 and shell 220 have realized the intercommunication of inside and outside water conservancy diversion passageway through the liquid inlet pipe way and the drain pipe intercommunication of first layer honeycomb duct 212 on the case 210 and shell. After the liquid medicine enters the valve core 210, the liquid medicine flows from the liquid inlet pipeline to the first guide pipe 212 and then flows out from the liquid outlet pipeline.
When the valve core 210 rotates 45 degrees along with the central line, the flow guide holes 212 of the fourth layer are communicated with the liquid inlet pipeline and the liquid outlet pipeline of the shell, and the flow guide pipe 212 of the first layer is not communicated with the liquid inlet pipeline and the liquid outlet pipeline any more, so that the liquid medicine flows to the flow guide pipe 212 of the fourth layer.
If the valve core 210 rotates 45 degrees, the third layer of draft tube 212 is communicated with the liquid inlet pipeline and the liquid outlet pipeline of the shell, and the fourth layer of draft tube 212 is not communicated with the liquid inlet pipeline and the liquid outlet pipeline, the liquid medicine flows to the third layer of draft tube 212.
If the valve core 210 rotates 45 degrees again, the second layer of draft tube 212 is communicated with the liquid inlet pipeline and the liquid outlet pipeline of the shell, and the third layer of draft tube 212 is not communicated with the liquid inlet pipeline and the liquid outlet pipeline, the liquid medicine flows to the second layer of draft tube 212.
Because the conduction flow of each layer of the guide pipe is different, different guide pipes are connected to the liquid outlets, and therefore liquid medicines with different flows are provided. Therefore, the flow guide holes on different layers are selected to be communicated with the liquid inlet pipeline and the liquid outlet pipeline of the shell according to different rotating positions of the valve core, so that liquid medicines with different flow rates can be provided, and the valve is ingenious in structure and convenient to use.
The utility model discloses another embodiment still provides a flow rate regulator of infusion pump.
The flow rate regulator comprises a valve core and a shell, wherein the valve core is sleeved inside the shell and can rotate relative to the shell; the liquid medicine flow regulating valve is characterized in that a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shell, a plurality of flow guide pipes with different flow conducting rates are arranged in the valve core, the flow guide pipes are equidistantly arranged on the vertical surface of the valve core in a layered mode, each layer of flow guide pipe and other layers of flow guide pipes are arranged in an angled mode, and one flow guide pipe in the valve core is regulated through rotating the valve core and is communicated with the liquid inlet pipeline and the liquid outlet pipeline on the shell to provide corresponding liquid medicine flow.
The valve core preferably adopts a cylindrical structure, a plurality of guide pipes are arranged on the vertical surface of the cylinder in an equidistant layered mode, and each layer is provided with one guide pipe.
The shell is of an elliptic cylinder structure, a cylinder groove is formed in the shell, and the size of the cylinder groove is matched with that of the valve core, so that the valve core can be accommodated in the groove.
The pipe diameters of the flow guide pipes of all layers in the valve core are the same, and the conduction flow of the flow guide pipes is adjusted by installing flow limiting pipes with the same outer diameter and inner diameter but different lengths in the pipelines of the flow guide pipes. At this time, the flow rate of the infusion pump is adjusted to the flow rate of the corresponding duct of the flow guide tube.
Preferably, as a typical mode, 4 guide pipes are arranged in the valve core, and the 4 guide pipes are arranged on the vertical surface of the valve core at equal intervals and in 4 layers.
Meanwhile, the 4 guide pipes are uniformly distributed at an angle of 45 degrees on the horizontal plane of the valve core. Therefore, when the valve core rotates by 45 degrees, one guide pipe in the valve core can be communicated with the liquid inlet pipeline and the liquid outlet pipeline on the shell.
Preferably, the 4 flow guide pipes all pass through the valve core and pass through the valve core. Taking the case that the valve core adopts a cylinder, that is, 4 guide pipes all pass through the axis of the rotating surface of the fixed straight line of the cylinder, and the length of each guide pipe is the diameter of the circular surface of the cylinder. In the embodiment, the conduction flow of the flow guide pipe is sequentially 2ml/h, 4ml/h, 6ml/h and 8ml/h from small to large.
The liquid inlet pipeline on the shell can comprise a liquid inlet pipe and a liquid medicine inflow groove, and the outlet of the liquid inlet pipe is communicated with the liquid medicine inflow groove; the liquid outlet pipeline comprises a liquid outlet pipe and a liquid medicine outflow groove, the inlet of the liquid outlet pipe is communicated with the liquid medicine outflow groove, and the outlet of the liquid outlet pipe is a liquid outlet. During operation, rotatory case makes a honeycomb duct and liquid medicine flow go into the groove and liquid medicine outflow groove correspond for the liquid medicine can get into from the inlet through this honeycomb duct, then gets into the drain pipe through the feed liquor pipe and reaches the liquid outlet.
Other technical features are referred to in the previous embodiments and are not described herein.
It is within the scope of the disclosure that the various components may be selectively and operatively combined in any number. In addition, terms like "comprising," "including," and "having" should be interpreted as inclusive or open-ended, rather than exclusive or closed-ended, by default, unless explicitly defined to the contrary. All technical, scientific, or other terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless defined otherwise. Common terms found in dictionaries should not be interpreted too ideally or too realistically in the context of related art documents unless the present disclosure expressly limits them to that. Any alterations and modifications of the present invention based on the above disclosure will be apparent to those skilled in the art from the present disclosure, and all such modifications and modifications are intended to fall within the scope of the appended claims.
Claims (10)
1. The utility model provides an adjustable velocity of flow infusion pump, includes stock solution portion and velocity of flow regulator through the connecting tube intercommunication, and the output of velocity of flow regulator is provided with liquid outlet, its characterized in that:
the flow rate regulator comprises a valve core and a shell, wherein the valve core is sleeved inside the shell and can rotate relative to the shell; the liquid medicine flow regulating valve is characterized in that a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shell, a plurality of flow guide pipes with different flow conducting rates are arranged in the valve core, the flow guide pipes are equidistantly arranged on the vertical surface of the valve core in a layered mode, each layer of flow guide pipe and other layers of flow guide pipes are arranged in an angled mode, and one flow guide pipe in the valve core is regulated through rotating the valve core and is communicated with the liquid inlet pipeline and the liquid outlet pipeline on the shell to provide corresponding liquid medicine flow.
2. The adjustable flow rate infusion pump of claim 1, wherein: the pipe diameters of the guide pipes in all layers in the valve core are the same, and the conduction flow of the guide pipe is adjusted by installing flow limiting pipes with the same outer diameter and inner diameter but different lengths in the pipeline of the guide pipe.
3. The adjustable flow rate infusion pump of claim 1 or 2, wherein: the valve core is internally provided with 4 guide pipes, the 4 guide pipes are arranged on the vertical surface of the valve core at equal intervals in 4 layers, and the 4 guide pipes are uniformly distributed at an angle of 45 degrees on the horizontal surface of the valve core; and one guide pipe in the valve core can be communicated with the liquid inlet pipeline and the liquid outlet pipeline when the valve core rotates by 45 degrees.
4. The adjustable flow rate infusion pump of claim 3, wherein: the 4 honeycomb ducts pass through the center line of the valve core and penetrate through the valve core, and the conduction flow of the honeycomb ducts is 2ml/h, 4ml/h, 6ml/h and 8ml/h from small to large.
5. The adjustable flow rate infusion pump of claim 1 or 2, wherein: the liquid inlet pipeline on the shell comprises a liquid inlet pipe and a liquid medicine inflow groove, and an outlet of the liquid inlet pipe is communicated with the liquid medicine inflow groove; the liquid outlet pipeline comprises a liquid outlet pipe and a liquid medicine outflow groove, an inlet of the liquid outlet pipe is communicated with the liquid medicine outflow groove, and an outlet of the liquid outlet pipe is a liquid outlet; the rotary valve core enables one guide pipe to correspond to the liquid medicine inlet groove and the liquid medicine outlet groove, so that liquid medicine can enter the liquid outlet pipe from the liquid inlet pipe through the guide pipe to reach the liquid outlet.
6. The adjustable flow rate infusion pump of claim 5, wherein: the liquid inlet pipe and the liquid outlet pipe are arranged at an angle of 180 degrees, the liquid medicine inlet groove and the liquid medicine outlet groove are vertically arranged on the shell and are the same in height, and the height of each layer of flow guide pipe capable of covering the valve core enables the two ends of each layer of flow guide pipe to correspond to the liquid medicine inlet groove and the liquid medicine outlet groove respectively.
7. The adjustable flow rate infusion pump of claim 6, wherein: the shell is provided with a liquid medicine inlet groove and a liquid medicine outlet groove, and the surface of the valve core is provided with a rotary handle and position indication marks and/or flow indication marks of each flow guide pipe.
8. The adjustable flow rate infusion pump of claim 1, wherein: the liquid outlet is provided with a liquid outlet joint, and the connecting pipeline is provided with a medicine adding port for adding medicine.
9. The adjustable flow rate infusion pump of claim 1, wherein: the liquid storage part comprises a pump shell and a silica gel liquid storage bag arranged in a cavity formed by the pump shell.
10. A flow rate regulator for an infusion pump, characterized by: the valve core is sleeved inside the shell and can rotate relative to the shell; the liquid medicine flow regulating valve is characterized in that a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shell, a plurality of flow guide pipes with different flow conducting rates are arranged in the valve core, the flow guide pipes are equidistantly arranged on the vertical surface of the valve core in a layered mode, each layer of flow guide pipe and other layers of flow guide pipes are arranged in an angled mode, and one flow guide pipe in the valve core is regulated through rotating the valve core and is communicated with the liquid inlet pipeline and the liquid outlet pipeline on the shell to provide corresponding liquid medicine flow.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921959730.9U CN211584637U (en) | 2019-11-13 | 2019-11-13 | Adjustable flow rate infusion pump and flow rate regulator of infusion pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921959730.9U CN211584637U (en) | 2019-11-13 | 2019-11-13 | Adjustable flow rate infusion pump and flow rate regulator of infusion pump |
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| CN211584637U true CN211584637U (en) | 2020-09-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898286A (en) * | 2019-11-13 | 2020-03-24 | 袁红斌 | Infusion pump with adjustable flow rate and flow rate regulator thereof |
| CN112999467A (en) * | 2021-04-14 | 2021-06-22 | 于琨 | Liquid flow rate adjusting device for nursing |
-
2019
- 2019-11-13 CN CN201921959730.9U patent/CN211584637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898286A (en) * | 2019-11-13 | 2020-03-24 | 袁红斌 | Infusion pump with adjustable flow rate and flow rate regulator thereof |
| CN112999467A (en) * | 2021-04-14 | 2021-06-22 | 于琨 | Liquid flow rate adjusting device for nursing |
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Effective date of registration: 20221214 Address after: 6th Floor, Emergency Department, Changzheng Hospital, No. 415, Fengyang Road, Huangpu District, Shanghai, 200003 Patentee after: SHANGHAI CHANGZHENG Hospital Address before: 415 Department of Anesthesiology, Changzheng Hospital, Fengyang Road, Shanghai, Huangpu District 200003, China Patentee before: Yuan Hongbin Patentee before: Zou Zui |
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| TR01 | Transfer of patent right |