CN203736628U - Real-time measuring device for residual medicine in injection pump - Google Patents
Real-time measuring device for residual medicine in injection pump Download PDFInfo
- Publication number
- CN203736628U CN203736628U CN201320889085.4U CN201320889085U CN203736628U CN 203736628 U CN203736628 U CN 203736628U CN 201320889085 U CN201320889085 U CN 201320889085U CN 203736628 U CN203736628 U CN 203736628U
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- syringe pump
- push rod
- leading screw
- module
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- Expired - Fee Related
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Abstract
The utility model provides a real-time measuring device for residual medicine in an injection pump. The measuring device comprises a push rod, a rack, a central control module, a lead screw, a nut, a transmission module, a gear, a radial magnet, a magnetoresistive sensor, a display module and a motor, wherein the push rod consists of a push head and a rod body; one end of the rod body is arranged on the push head; the rack and the lead screw are arranged in a shell of the injection pump in parallel; the lead screw is provided with the nut and is driven by the motor; the lower end of the transmission module is fixed on the nut; the other end of the rod body of the push rod penetrates in the shell of the injection pump and is fixed on the transmission module; the rod body of the push rod is parallel to the lead screw; the gear is arranged on the transmission module through a gear shaft and is meshed with the rack in the shell of the injection pump; the radial magnet is arranged on the gear shaft; the central control module is also arranged on the transmission module and is positioned below the radial magnet; the magnetoresistive sensor is arranged on the central module; and the display module is arranged on the shell of the injection pump and is connected with the central module. By using the real-time measuring device, residual medicine of an injection syringe can be measured in real time.
Description
Technical field
This utility model relates to the real-time measurement apparatus of residual drug on a kind of syringe pump.
Background technology
Syringe pump is a kind of medical injection device, adopt motor will rotatablely move and be converted into rectilinear motion with certain speed reducing ratio by gear train, leading screw and nut, nut drives push rod pushing syringe piston to move ahead, thereby by a small amount of medicinal liquid accurately, trace, pump in body evenly, constantly simple operation, regularly, quantitatively.Need to adjust at any time drug level, speed according to the state of an illness, make the medicine blood drug level of remaining valid in vivo.Use micro pump critical, can alleviate nurse job amount, increase work efficiency, accurately, safety, effectively coordinate doctor to rescue.
But in clinical use, there is the defect of always.Nurse cannot know surplus in syringe tube and the accurate remaining time of this transfusion.In operating process such as relieving, change dressings nurse like this, all cause certain puzzlement.
Now pipe inner liquid medicine surplus and mainly take remaining liq in manual observation syringe remaining time, then calculates remaining time according to the speed arranging.But there is following problem: have larger error in reading; Light-tight injector be cannot see the residue medicinal liquid in pipe.
Summary of the invention
In view of this, this utility model provides the real-time measurement apparatus of residual drug on a kind of syringe pump, can measure in real time the residual drug of syringe, and it is simple in structure and reliable.
A real-time measurement apparatus for residual drug on syringe pump, this real-time measurement apparatus comprises push rod, tooth bar, middle control module, leading screw, nut, transmission module, gear, radial magnet, magnetoresistive transducer, display module and motor;
Push rod forms with shaft by cutting somebody's hair, on shaft one end is arranged on and cuts somebody's hair, parallel installation tooth bar and leading screw in the housing of syringe pump, mounting nuts on leading screw, leading screw is driven by motor, transmission module lower end is fixed on nut, the other end of push rod shaft passes the housing of syringe pump and is fixed on transmission module, push rod shaft is parallel with leading screw, gear is arranged on transmission module and with the tooth bar in syringe pump housing and is engaged by gear shaft, radial magnet is arranged on gear shaft, middle control module is also arranged on transmission module and is positioned at directly over radial magnet, magnetoresistive transducer is arranged in middle control module, display module is arranged on the housing of syringe pump and is connected with middle control module.
Described real-time measurement apparatus also comprises polished rod, and polished rod and leading screw are installed in parallel in the housing of syringe pump, and polished rod is through transmission module, and polished rod plays guiding in whole service process.
Beneficial effect:
This utility model belongs to non-contact measurement, coordinate and obtain the angle that gear rotates by radial magnet and magnetoresistive transducer, and calculate by middle control module the length that rack and pinion engages, thereby obtain syringe and push away the distance that handle moves, whole device stability is high, safe and reliable to operation and the life-span is long; Radial magnet is measured the direction in magnetic field, thus be not subject to the impact of magnetic field decline, and be not subject to the impact of environment and dust etc.; In addition rack-and-pinion belongs to machine driving engagement, more safe and reliable, and both transmissions are simple and convenient, efficient, and cost is lower; Based on the engaged transmission of rack-and-pinion, thereby drive the rotation of angular displacement sensor, in the whole stroke of tooth bar, magnetoresistive transducer can complete detection syringe the situation such as displacement in time and unit interval of operation, can accomplish omnidistance measurement and not have the problems such as breakpoint.
Brief description of the drawings
Fig. 1 is the real-time measurement apparatus schematic diagram of residual drug on this utility model syringe pump.
Wherein, in 1-push rod, 2-tooth bar, 3-, control module, 4-leading screw, 5-nut, 6-transmission module, 7-display module
Detailed description of the invention
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, this utility model is described in detail.
As shown in Figure 1, this utility model provides the real-time measurement apparatus of residual drug on a kind of syringe pump, and this real-time measurement apparatus comprises push rod 1, tooth bar 2, middle control module 3, leading screw 4, nut 5, transmission module 6, gear, radial magnet, magnetoresistive transducer, display module 7, motor and polished rod.
Push rod 1 forms with shaft by cutting somebody's hair, on shaft one end is arranged on and cuts somebody's hair.
Parallel installation tooth bar 2 and leading screw 4 in the housing of syringe pump, mounting nuts 5 on leading screw 4, leading screw 4 is driven by motor, transmission module 6 lower ends are fixed on nut 5, the other end of push rod 1 shaft passes the housing of syringe pump and is fixed on drive block 6, push rod 1 shaft is parallel with leading screw 4, gear is installed on transmission module 6 and with the tooth bar 2 in syringe pump housing and is engaged by gear shaft, radial magnet is arranged on gear shaft, middle control module 3 is also arranged on transmission module 6 and is positioned at directly over radial magnet, magnetoresistive transducer is arranged in middle control module 3, display module 7 is arranged on the housing of syringe pump and is connected with middle control module 3.
Polished rod is also installed in the housing of syringe pump, and polished rod is parallel with leading screw 4, and polished rod, through the middle part of transmission module 6, under the effect of polished rod, can ensure the stability of transmission module 6 in horizontal movement process, improves the measurement reliability of whole device.
Operation principle:
The shaft of syringe and push rod 1 is installed in parallel on cutting somebody's hair of push rod 1, motor drives leading screw 4 to rotate, thereby drive the nut 5 on it to move horizontally, nut 5 drives transmission module 6 to move, thereby drive the shaft of push rod 1 to move horizontally, be that the head of push rod 1 acts on syringe and pushes away handle and make its injecting fluid, because cogging, engages with the tooth bar 2 in syringe pump housing drive block 6, radial magnet carries out circular-rotation together with gear, magnetoresistive transducer detects that the angle that radial magnet rotates is the angle that gear rotates, and rotational angle is exported to middle control module 3, middle control module 3 can calculate according to rotational angle the length that tooth bar 2 engages with gear, thereby obtain the distance that transmission module 6 moves, can obtain syringe and push away the distance that handle moves, because the defeated position that syringe pushes away handle when empty of syringe is fixed, so can calculate thus remaining liquid measure in syringe, middle control module 3 is transferred to remaining liquid measure the display module 7 of syringe pump, both demonstration Residual liquid that can be real-time and residue transfusion time.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. the real-time measurement apparatus of residual drug on a syringe pump, it is characterized in that, this real-time measurement apparatus comprises push rod (1), tooth bar (2), middle control module (3), leading screw (4), nut (5), transmission module (6), gear, radial magnet, magnetoresistive transducer, display module (7) and motor;
Push rod (1) forms with shaft by cutting somebody's hair, on shaft one end is arranged on and cuts somebody's hair, parallel installation tooth bar (2) and leading screw (4) in the housing of syringe pump, the upper mounting nuts (5) of leading screw (4), leading screw (4) is driven by motor, transmission module (6) lower end is fixed on nut (5), the other end of push rod (1) shaft passes the housing of syringe pump and is fixed on drive block (6), push rod (1) shaft is parallel with leading screw (4), gear is installed drive block (6) above and is engaged with the tooth bar (2) in syringe pump housing by gear shaft, radial magnet is arranged on gear shaft, middle control module (3) is also arranged on drive block (6) and goes up and be positioned at directly over radial magnet, magnetoresistive transducer is arranged in middle control module (3), display floater (7) is arranged on the housing of syringe pump and is connected with middle control module (3).
2. the real-time measurement apparatus of residual drug on syringe pump as claimed in claim 1, is characterized in that, described real-time measurement apparatus also comprises polished rod, and polished rod and leading screw (4) are installed in parallel in the housing of syringe pump, and polished rod is through drive block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889085.4U CN203736628U (en) | 2013-12-31 | 2013-12-31 | Real-time measuring device for residual medicine in injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889085.4U CN203736628U (en) | 2013-12-31 | 2013-12-31 | Real-time measuring device for residual medicine in injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203736628U true CN203736628U (en) | 2014-07-30 |
Family
ID=51336498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889085.4U Expired - Fee Related CN203736628U (en) | 2013-12-31 | 2013-12-31 | Real-time measuring device for residual medicine in injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203736628U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467142A (en) * | 2015-11-20 | 2016-04-06 | 广东伟创科技开发有限公司 | Industrial injection pump |
| CN107826282A (en) * | 2017-10-31 | 2018-03-23 | 保定申辰泵业有限公司 | A kind of High Precision Automatic filling apparatus |
| CN109395206A (en) * | 2017-08-18 | 2019-03-01 | 南京感控通化工产品经营部 | A kind of kind of drive of high pressure injector |
-
2013
- 2013-12-31 CN CN201320889085.4U patent/CN203736628U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467142A (en) * | 2015-11-20 | 2016-04-06 | 广东伟创科技开发有限公司 | Industrial injection pump |
| CN109395206A (en) * | 2017-08-18 | 2019-03-01 | 南京感控通化工产品经营部 | A kind of kind of drive of high pressure injector |
| CN109395206B (en) * | 2017-08-18 | 2024-01-30 | 南京巨鲨显示科技有限公司 | Transmission device of high-pressure injector |
| CN107826282A (en) * | 2017-10-31 | 2018-03-23 | 保定申辰泵业有限公司 | A kind of High Precision Automatic filling apparatus |
| CN107826282B (en) * | 2017-10-31 | 2019-09-10 | 保定申辰泵业有限公司 | A kind of High Precision Automatic filling apparatus |
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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: 20140730 Termination date: 20191231 |