CN203539798U - Automatic intravenous infusion control device - Google Patents
Automatic intravenous infusion control device Download PDFInfo
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- CN203539798U CN203539798U CN201320664962.8U CN201320664962U CN203539798U CN 203539798 U CN203539798 U CN 203539798U CN 201320664962 U CN201320664962 U CN 201320664962U CN 203539798 U CN203539798 U CN 203539798U
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- restrictor bar
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Abstract
An automatic intravenous infusion control device comprises an infusion support; a weight sensor and a microprocessor are arranged at the upper part of the infusion support; the weight sensor is connected to the microprocessor by a signal line; the lower end of the weight sensor is provided with a hook for hooking an infusion bottle or infusion bag; a support is also fixedly arranged in the middle of the infusion support; an electromagnetic clamp is arranged on the support and comprises a left clamping block, a right clamping block and a vertical rotary shaft; an iron block is arranged at the free end of one clamping block; an electromagnetic coil is arranged at the free end of the other clamping block and is connected with a power supply; a control switch is arranged between the power supply and the electromagnetic coil; the microprocessor is connected with the control switch of the electromagnetic coil by a signal line; a thrust spring is further arranged between the left clamping block and the right clamping block. The thrust of the thrust spring is smaller than the attraction of the electrified electromagnetic coil to the iron block. The automatic intravenous infusion control device can ensure that infusion is automatically stopped when the medicine liquid achieves an alarm number value, so reliance on medical staff is alleviated.
Description
Technical field
This utility model belongs to the technical field of medical treatment and nursing utensil, is specifically related to a kind of venous transfusion automaton.
Background technology
As everyone knows, in infusion process, if the medicinal liquid in tube for transfusion is totally lost completely, the blood of human body can flow backwards and enter tube for transfusion, brings compared with burden, even can cause other malpractice.Therefore,, when patient is carried out to venous transfusion, conventionally need entourage not stop to monitor the surplus of medicinal liquid.
Afterwards, in order to alleviate entourage's burden, people had designed automatic alarm for transfusion, such as the disclosed structure of the document such as CN200620097469.2, CN201020197622.5.Existing automatic alarm for infusion includes weight sensor, microprocessor, alarm substantially, the lower end of weight sensor is provided with suspension hook, weight sensor is connected to microprocessor by holding wire, and microprocessor connects the alarm of nurse station by wireless or wire signal.During work, liquid bottle or liquid bag are hung in below suspension hook, and when weight sensor detects that medicinal liquid weight is close to setting during numerical value, microprocessor will, by wireless or have the alarm of the alignment nurse station signal of giving notice, so just alleviate entourage's burden.
But applicant is through studying further discovery, existing above-mentioned automatic alarm for transfusion still can not be completely free of the dependence to entourage, still needs to have entourage to stay scene, ward.This be mainly because, when the alarm of nurse station sends alarm signal, illustrate that residue amount of liquid medicine is little, now, if the staff of nurse station is few, work is acted hurriedly in a messy situation, and just differs and in the very first time, arrives in ward surely and process, during this period of time, medicinal liquid continues not stopping transportation and enters in patient body, therefore still needing has on-the-spot entourage that tube for transfusion is closed, otherwise medicinal liquid is totally lost very soon, just still there will be aforesaid backflow of blood problem.
Utility model content
The purpose of this utility model is to overcome above-mentioned shortcoming and a kind of venous transfusion automaton is provided, and it can guarantee automatic stopping infusion when amount of liquid medicine reaches warning numerical value, to alleviate the dependence to entourage.
Its object can realize by following scheme: this venous transfusion automaton comprises infusion support, the top of infusion support is provided with weight sensor, microprocessor, weight sensor is connected to microprocessor by holding wire, the lower end of weight sensor is provided with to hang the suspension hook of liquid bottle or liquid bag, it is characterized in that, middle part at infusion support is also fixed with a bearing, and an electromagnetic clamp is installed on bearing, electromagnetic clamp be positioned at suspension hook under; Described electromagnetic clamp comprises left and right two fixture blocks, vertical rotating shaft, vertical rotating shaft is fixed on bearing, the vertical rotating shaft of stiff end utilization of left and right two fixture blocks is articulated, and between the movable end of left and right two fixture blocks, forms jaws, is also provided with the limit convex nail of restriction left and right two fixture block opening angles on bearing; When the angle between two fixture blocks of left and right opens up into maximum, the jaws width between two fixture blocks of left and right equals the diameter of tube for transfusion; Wherein the free end of a fixture block is provided with iron block, and the free end of another fixture block is provided with solenoid, and solenoid is connected with power supply, between power supply and solenoid, is provided with gauge tap, and described microprocessor connects the gauge tap of solenoid by holding wire; Between two fixture blocks of left and right, be also provided with thrust spring, thrust spring applies to left and right two fixture blocks the thrust that they are opened, the suction to iron block when the thrust of thrust spring is less than solenoid energising; In the position near electromagnetic clamp jaws, the restrictor bar that can horizontally rotate is also installed, the vertical rotating shaft fixed installation end of a fixture block therein of restrictor bar, at the end of another fixture block, the block that restriction restrictor bar outwards rotates is also installed, this restrictor bar is also connected with back-moving spring, back-moving spring and block lay respectively at the opposite end of restrictor bar rotating shaft, and restrictor bar touches block under the thrust of back-moving spring.
The utlity model has following advantage and effect:
One, this utility model is when normal infusion state, tube for transfusion passes from the jaws between left and right two fixture blocks of electromagnetic clamp, the thrust of thrust spring makes two fixture blocks open up into maximum angle, jaws width between two fixture blocks of left and right equals the diameter of tube for transfusion, and therefore left and right two fixture blocks can not produce any obstruction impact to the circulation of tube for transfusion.When weight sensor detect medicinal liquid weight close to warning setting numerical value time, the gauge tap of microprocessor instructs solenoid is opened, so solenoid is switched on and is produced magnetic, magnetic force overcome thrust spring thrust and by solenoid and iron block adhesive, so left and right two fixture blocks clamp, jaws is shunk, tube for transfusion is clamped, thereby automatic stopping infusion, like this, on the scene even without entourage, even if nurse does not come to process in the very first time, medicinal liquid can not occur yet to drip to the greatest extent, the problem of backflow of blood, therefore alleviated more up hill and dale the dependence to entourage.
Two, the nail of the limit convex on bearing can limit left and right two fixture block opening angles, prevents that like this solenoid and iron block are apart from too far away, prevents that the magnetic force after solenoid energising is not enough to attract iron block.
Three, restrictor bar can not outwards rotate owing to being subject to stop limits, and therefore, in infusion process, tube for transfusion can surprisingly not hauled out the jaws of electromagnetic clamp, guarantees that tube for transfusion is positioned at the jaws scope of electromagnetic clamp, guarantees that tube for transfusion is subject to the control of electromagnetic clamp.
Four, this utility model simple and ingenious structure, volume is small and exquisite, and cost is low, reliable in action, Electromagnetic Control mechanism is difficult for breaking down.
Accompanying drawing explanation
Fig. 1 is facade structures and the working state schematic representation of a kind of specific embodiment of this utility model.
Fig. 2 is the schematic top plan view of electromagnetic clamp mounting structure in Fig. 1.
Fig. 3 is the local enlarged diagram of structure shown in Fig. 2 in normal infusion state.
Fig. 4 is the view of tube for transfusion being inserted to electromagnetic clamp jaws.
Fig. 5 is the view that electromagnetic clamp clamps tube for transfusion.
The specific embodiment
Shown in Fig. 1, this venous transfusion automaton comprises infusion support 1, the top of infusion support 1 is provided with weight sensor 11, microprocessor 12, weight sensor 11 is connected to microprocessor 12 by holding wire, the lower end of weight sensor 11 is provided with to hang liquid bag 81(or liquid bottle) suspension hook 13, at the middle part of infusion support 1, be also fixed with a bearing 20, an electromagnetic clamp 2 be installed on bearing 20, electromagnetic clamp 2 be positioned at suspension hook 13 under.
Shown in Fig. 2, Fig. 3, described electromagnetic clamp comprises vertical rotating shaft 23 and left and right two fixture blocks 21,22, vertical rotating shaft 23 is fixed on bearing 20, the vertical rotating shaft 23 of stiff end utilization of left and right two fixture blocks 21,22 is articulated, between the movable end of left and right two fixture blocks 21,22, form jaws 28, on bearing 20, be also provided with the limit convex nail 24 of restriction left and right two fixture block opening angles; When the angle between two fixture blocks 21,22 of left and right opens up into maximum, jaws 28 width between two fixture blocks of left and right equal the diameter of tube for transfusion 8; Wherein the free end of a fixture block 21 is provided with iron block 25, the free end of another fixture block 22 is provided with solenoid 26, solenoid 26 is connected with power supply, between power supply and solenoid, is provided with gauge tap, and microprocessor 12 connects the gauge tap of solenoid by holding wire; Left and right is also provided with thrust spring 27 between two fixture blocks 21,22, and thrust spring 27 applies to left and right two fixture blocks the thrust that they are opened, the thrust of thrust spring 27 is less than solenoid 26 suction to iron block 25 while switching on.
Shown in Fig. 3, Fig. 4, in the position near electromagnetic clamp jaws, the restrictor bar 3 that can horizontally rotate is also installed, the vertical rotating shaft 31 of restrictor bar fixedly mounts the end of a fixture block 21 therein, at the end of another fixture block 22, the block 32 that restriction restrictor bar outwards rotates is also installed, this restrictor bar 3 is also connected with back-moving spring 33, back-moving spring 33 and block 32 lay respectively at the opposite end of restrictor bar rotating shaft 31, and restrictor bar 3 touches block 32 under the thrust of back-moving spring 33; Specifically, in Fig. 3, the thrust of back-moving spring 33 makes restrictor bar 3 produce the trend rotating counterclockwise, and then makes restrictor bar 3 touch under normal conditions block 32.
Shown in Fig. 4, above-described embodiment, before starting transfusion, can hand-held tube for transfusion 8 promotes restrictor bar 3(as shown in Fig. 4 arrow), the thrust that makes restrictor bar overcome back-moving spring 33 is inwardly rotated (in Fig. 4, show as and clockwise rotate), jaws is opened, so tube for transfusion 8 is included in electromagnetic clamp jaws.
Shown in Fig. 3, during normal infusion, the thrust of thrust spring 27 makes left and right two fixture blocks 21,22 keep opening up into maximum angle, jaws width between two fixture blocks 21,22 of left and right equals the diameter of tube for transfusion 8, therefore left and right two fixture blocks can not produce any obstruction impact to the circulation of tube for transfusion. in addition, and due to the existence of block 32, no matter how movable patient's arm is, tube for transfusion 8 all can not surprisingly be hauled out this jaws, except the non-artificial restrictor bar 3 that rotates again.
When weight sensor 11 detects liquid bag 81 medicinal liquid weight close to setting numerical value, weight sensor 11 is by test results report microprocessor 12, microprocessor 12 is on the one hand by wireless or wire signal report nurse station, the gauge tap of order solenoid 26 is opened on the other hand, so solenoid 26 is switched on and is produced magnetic, because magnetic force is greater than the thrust of thrust spring 27, magnetic force can overcome thrust spring 27 thrust and by solenoid 26 and iron block 25 adhesives, so left and right two fixture blocks 21, 22 clamp, jaws 28 is shunk, tube for transfusion 8 is clamped, thereby automatic stopping infusion, as shown in Figure 5.
Claims (1)
1. a venous transfusion automaton, comprise infusion support, the top of infusion support is provided with weight sensor, microprocessor, weight sensor is connected to microprocessor by holding wire, the lower end of weight sensor is provided with to hang the suspension hook of liquid bottle or liquid bag, it is characterized in that: the middle part at infusion support is also fixed with a bearing, an electromagnetic clamp be installed on bearing, electromagnetic clamp be positioned at suspension hook under; Described electromagnetic clamp comprises left and right two fixture blocks, vertical rotating shaft, vertical rotating shaft is fixed on bearing, the vertical rotating shaft of stiff end utilization of left and right two fixture blocks is articulated, and between the movable end of left and right two fixture blocks, forms jaws, is also provided with the limit convex nail of restriction left and right two fixture block opening angles on bearing; When the angle between two fixture blocks of left and right opens up into maximum, the jaws width between two fixture blocks of left and right equals the diameter of tube for transfusion; Wherein the free end of a fixture block is provided with iron block, and the free end of another fixture block is provided with solenoid, and solenoid is connected with power supply, between power supply and solenoid, is provided with gauge tap; Described microprocessor connects the gauge tap of solenoid by holding wire; Between two fixture blocks of left and right, be also provided with thrust spring, thrust spring applies to left and right two fixture blocks the thrust that they are opened, the suction to iron block when the thrust of thrust spring is less than solenoid energising; In the position near electromagnetic clamp jaws, the restrictor bar that can horizontally rotate is also installed, the vertical rotating shaft fixed installation end of a fixture block therein of restrictor bar, at the end of another fixture block, the block that restriction restrictor bar outwards rotates is also installed, this restrictor bar is also connected with back-moving spring, back-moving spring and block lay respectively at the opposite end of restrictor bar rotating shaft, and restrictor bar touches block under the thrust of back-moving spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664962.8U CN203539798U (en) | 2013-10-28 | 2013-10-28 | Automatic intravenous infusion control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664962.8U CN203539798U (en) | 2013-10-28 | 2013-10-28 | Automatic intravenous infusion control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203539798U true CN203539798U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664962.8U Expired - Fee Related CN203539798U (en) | 2013-10-28 | 2013-10-28 | Automatic intravenous infusion control device |
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| CN (1) | CN203539798U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108014392A (en) * | 2018-01-10 | 2018-05-11 | 四川省肿瘤医院 | A kind of changing liquid automatically system |
| US9995619B2 (en) | 2016-05-13 | 2018-06-12 | Adaptec Medical Devices LLC | Fluid container measurement system employing load cell linkage member |
| US10444060B2 (en) | 2016-05-13 | 2019-10-15 | Adaptec Medical Devices LLC | Fluid container measurement system |
| CN110523706A (en) * | 2019-08-22 | 2019-12-03 | 深圳市深发源精密科技有限公司 | A kind of overturning blowing dust collector |
| CN115300713A (en) * | 2022-07-27 | 2022-11-08 | 王颖 | Self-extrusion magnetic control type transfusion nursing support convenient to use |
-
2013
- 2013-10-28 CN CN201320664962.8U patent/CN203539798U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9995619B2 (en) | 2016-05-13 | 2018-06-12 | Adaptec Medical Devices LLC | Fluid container measurement system employing load cell linkage member |
| US10444060B2 (en) | 2016-05-13 | 2019-10-15 | Adaptec Medical Devices LLC | Fluid container measurement system |
| US11022482B2 (en) | 2016-05-13 | 2021-06-01 | Adaptec Medical Devices, LLC | Fluid container measurement system |
| US11733087B2 (en) | 2016-05-13 | 2023-08-22 | Adaptec Medical Devices, LLC | Fluid container measurement system |
| CN108014392A (en) * | 2018-01-10 | 2018-05-11 | 四川省肿瘤医院 | A kind of changing liquid automatically system |
| CN110523706A (en) * | 2019-08-22 | 2019-12-03 | 深圳市深发源精密科技有限公司 | A kind of overturning blowing dust collector |
| CN115300713A (en) * | 2022-07-27 | 2022-11-08 | 王颖 | Self-extrusion magnetic control type transfusion nursing support convenient to use |
| CN115300713B (en) * | 2022-07-27 | 2023-09-05 | 东南大学附属中大医院 | Self-extrusion magnetic control type transfusion nursing support convenient to use |
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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 |
Granted publication date: 20140416 Termination date: 20141028 |
|
| EXPY | Termination of patent right or utility model |