CN102114282A - Mechanism for detecting blockage of syringe - Google Patents
Mechanism for detecting blockage of syringe Download PDFInfo
- Publication number
- CN102114282A CN102114282A CN2009102175993A CN200910217599A CN102114282A CN 102114282 A CN102114282 A CN 102114282A CN 2009102175993 A CN2009102175993 A CN 2009102175993A CN 200910217599 A CN200910217599 A CN 200910217599A CN 102114282 A CN102114282 A CN 102114282A
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- syringe
- testing agency
- installing plate
- elastic deformation
- leading screw
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Abstract
The invention discloses a mechanism for detecting the blockage of a syringe, and the mechanism comprises a power device, a transmission device, an end socket, a mounting plate and a sensor, wherein the power device is used for providing driving force; the transmission device is connected with the power device and used for transferring the driving force; the end socket is connected with the first end of the transmission device and used for enabling the driving force to be acted on the syringe for pushing the syringe; the mounting plate is positioned at the second end of the transmission device; the sensor is arranged on the mounting plate and can deform along with the stress of the mounting plate so as to detect whether the syringe is blocked or not during the injection, and the part of the mounting plate around the sensor is made of elastic deformation material. By adopting the structure, the detection mechanism is simple in structure and high in detection precision.
Description
Technical field
The present invention relates to the testing agency that a kind of syringe blocks.
Background technology
The detection that injection is blocked to syringe pump of existing most syringe pump producer also is to discern by pressure to finish, and its structure generally all is a pressure transducer of fixing a rigidity body on drive mechanism, and its end face contacts with the leading screw end face of drive mechanism.Injection pressure affacts on the leading screw in injection, leading screw moves, the pressure transducer that presses rigidity, the pressure transducer of rigidity produces micro-deformation, so that producing voltage signal, the electric bridge on it reaches output pressure, the just detection of syringe obstruction, and the pressure transducer of rigidity is installed more complicated and the very difficult assurance of concordance in assembling, increase mounting cost and debugging cost on the one hand, also improved the risk that syringe pump uses on the other hand.
At in the correlation technique syringe being blocked the not high enough problem of mechanism structure accuracy of detection that detects, effective solution is not proposed as yet at present.
Summary of the invention
At in the correlation technique syringe being blocked the not enough problem of mechanism structure accuracy of detection that detects and proposes the present invention, for this reason, main purpose of the present invention is to provide a kind of testing agency of syringe obstruction, to address the above problem.
To achieve these goals, according to an aspect of the present invention, the testing agency that provides a kind of syringe to block.
The testing agency that this syringe blocks comprises: power set provide driving force; Actuating device is connected with power set, is used for transmission of drive force; The termination is connected with first end of actuating device, and driving force is acted on the syringe with pushing syringe; Installing plate is positioned at second end of actuating device; Whether pick off is arranged on the installing plate, and can deformation take place block in injection to detect syringe with installing plate is stressed, and wherein, the installing plate around the pick off partly adopts the elastic deformation material.
Preferably, actuating device comprises leading screw, screw; Leading screw is driven by driving device, and leading screw is provided with screw, and wherein, leading screw is connected to the termination by screw.
Preferably, testing agency also comprises: processor is connected, receives from the signal of pick off and sends command adapted thereto with sensor electrical; Display device is connected with processor, shows according to instruction whether syringe blocks in injection.
Preferably, testing agency also comprises: alarm is electrically connected with processor and reports to the police when syringe takes place to block in injection.
Preferably, driving device is a motor.
Preferably, the elastic deformation zone is the round and elastic deformation region.
Preferably, the round and elastic deformation region has the diameter of preset length.
Preferably, the foil gauge of pick off is pasted on the elastic deformation zone.
Preferably, installing plate is provided with external circuit, and external circuit is connected with foil gauge, and produces different voltage signals according to the deformation size of foil gauge.
Pass through to adopt following structure by testing agency of the present invention: power set provide driving force; Actuating device is connected with power set, is used for transmission of drive force; The termination is connected with first end of actuating device, and driving force is acted on the syringe with pushing syringe; Installing plate is positioned at second end of actuating device; Pick off, be arranged on the installing plate, whether and can deformation take place block in injection to detect syringe with installing plate is stressed, wherein, installing plate around the pick off partly adopts the elastic deformation material, solved and in the correlation technique syringe has been blocked the not enough problem of mechanism structure accuracy of detection that detects, and then reached simple in structure, and the high effect of accuracy of detection.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the sketch map according to the testing agency of the syringe obstruction of the embodiment of the invention;
Fig. 2 is the sketch map according to the testing agency of the preferred syringe obstruction of the embodiment of the invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
According to embodiments of the invention, the testing agency that provides a kind of syringe to block.
Fig. 1 is the sketch map according to the testing agency of the syringe obstruction of the embodiment of the invention; Fig. 2 is the sketch map according to the testing agency of the preferred syringe obstruction of the embodiment of the invention.
As depicted in figs. 1 and 2, the testing agency of this syringe obstruction comprises: termination 1, drive mechanism 2, installing plate 3, screw mandrel 4, pick off (foil gauge) 5, syringe 6 and elastic deformation area 7.
Wherein, power set (not marking) provide driving force; Actuating device (not marking) is connected with power set, is used for transmission of drive force; Termination 1 is connected with first end of actuating device, and driving force is acted on the syringe with pushing syringe; Installing plate 3 is positioned at second end of actuating device; Whether pick off 5 is arranged on the installing plate, and can deformation take place block in injection to detect syringe with installing plate is stressed, and wherein, the installing plate around the pick off 5 partly adopts the elastic deformation material.Is the elastic deformation area from A to seeing over.
Preferably, actuating device comprises leading screw 4, screw; Leading screw 4 is driven by driving device, and leading screw is provided with screw, and wherein, leading screw is connected to the termination by screw.
Preferably, testing agency also comprises: processor is connected, receives from the signal of pick off and sends command adapted thereto with sensor electrical; Display device is connected with processor, shows according to instruction whether syringe blocks in injection.
Preferably, testing agency also comprises: alarm is electrically connected with processor and reports to the police when syringe takes place to block in injection.
Preferably, driving device is a motor.
Preferably, the elastic deformation zone is the round and elastic deformation region.
Preferably, the round and elastic deformation region has the diameter of preset length.
Preferably, the foil gauge of pick off is pasted on the elastic deformation zone.
Preferably, installing plate is provided with external circuit, and external circuit is connected with foil gauge, and produces different voltage signals according to the deformation size of foil gauge.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Preferably, by illustrated in figures 1 and 2, the present invention is by termination 1, drive mechanism 2, installing plate 3, leading screw 4, foil gauge 5 is formed, the hole surrounding area of wearing leading screw 4 of installing plate 3 is made an elastic deformation body, and foil gauge 5 is pasted the elastic deformation zone of installing plate 3, in service at syringe pump, the pressure that leading screw 4 is subjected to syringe produces displacement, its end face presses the elastic deformation zone of installing plate 3, this moment, the elastic deformation district of installing plate 3 produced pettiness deformation, foil gauge 5 thereon and then produces the distortion of pettiness, electric bridge in the foil gauge 5 produces a voltage signal, and this signal is transferred to the system board circuit, controls by circuit, produce different force value, detect syringe obstruction purpose to reach.
Preferably, this mechanism is by drive mechanism 2, installing plate 3, foil gauge 5, termination 1 and screw mandrel 4 are formed, the lead screw hole surrounding area of wearing of installing plate 3 is made an elastic deformation body, and foil gauge 5 is pasted the elastic deformation zone of installing plate, in service at syringe pump, the pressure that leading screw is subjected to syringe produces displacement, its end face presses the elastic deformation zone of installing plate, this moment, the elastic deformation district of installing plate produced pettiness deformation, foil gauge thereon and then produces the distortion of pettiness, electric bridge in the foil gauge produces a voltage signal, this signal is transferred to the system board circuit, by circuit control, produce different force value, to reach the purpose of syringe occlusion detection.
As can be seen from the above description, the present invention has realized following technique effect: provide a kind of simple in structure, with low cost, and the mechanism that accuracy of detection is high, this mechanism has reduced processing cost, has improved accuracy of detection, and injection provides guarantee to patient safety.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the testing agency that syringe blocks is characterized in that, comprising:
Power set provide driving force;
Actuating device is connected with described power set, is used to transmit described driving force;
The termination is connected with first end of described actuating device, and described driving force is acted on the syringe to promote described syringe;
Installing plate is positioned at second end of described actuating device;
Whether pick off is arranged on the described installing plate, and can deformation take place block in injection to detect described syringe with described installing plate is stressed,
Wherein, the installing plate around the described pick off partly adopts the elastic deformation material.
2. testing agency according to claim 1 is characterized in that,
Described actuating device comprises leading screw, screw;
Described leading screw is driven by described driving device, and described leading screw is provided with described screw, and wherein, described leading screw is connected to described termination by described screw.
3. testing agency according to claim 1 is characterized in that, described testing agency also comprises:
Processor is connected, receives from the signal of described pick off and sends command adapted thereto with described sensor electrical;
Display device is connected with described processor, shows according to described instruction whether described syringe blocks in injection.
4. testing agency according to claim 3 is characterized in that, described testing agency also comprises:
Alarm is electrically connected with described processor and reports to the police when described syringe takes place to block in injection.
5. testing agency according to claim 1 is characterized in that, described driving device is a motor.
6. according to each described testing agency in the claim 1 to 5, it is characterized in that described elastic deformation zone is the round and elastic deformation region.
7. testing agency according to claim 6 is characterized in that described round and elastic deformation region has the diameter of preset length.
8. according to each described testing agency in the claim 1 to 5, it is characterized in that the foil gauge of described pick off is pasted on described elastic deformation zone.
9. testing agency according to claim 7 is characterized in that described installing plate is provided with external circuit, and described external circuit is connected with described foil gauge, and produces different voltage signals according to the deformation size of described foil gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102175993A CN102114282A (en) | 2009-12-31 | 2009-12-31 | Mechanism for detecting blockage of syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102175993A CN102114282A (en) | 2009-12-31 | 2009-12-31 | Mechanism for detecting blockage of syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102114282A true CN102114282A (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102175993A Pending CN102114282A (en) | 2009-12-31 | 2009-12-31 | Mechanism for detecting blockage of syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102114282A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512741A (en) * | 2013-09-29 | 2014-01-15 | 无锡众望四维科技有限公司 | Needle tube blockage detecting device of injection syringe needle mounting machine |
| CN105067180A (en) * | 2015-08-04 | 2015-11-18 | 深圳康罗技术有限公司 | Device and method for detecting blocking pressure of injection pump |
| CN105319003A (en) * | 2015-11-13 | 2016-02-10 | 南京感控通化工产品经营部 | Device and method for measuring pressure of high pressure injector |
| US10004847B2 (en) | 2012-05-25 | 2018-06-26 | Smiths Medical Asd, Inc. | Occlusion detection |
| CN111272399A (en) * | 2020-02-11 | 2020-06-12 | 深圳市奥科立自动化有限公司 | Wire threading testing device for medical blue-hollow needle |
| US10729848B2 (en) | 2015-06-17 | 2020-08-04 | Smiths Medical Asd, Inc. | Force sensing devices, systems and methods for syringe pumps |
| CN112773978A (en) * | 2021-01-25 | 2021-05-11 | 安费诺(常州)连接系统有限公司 | Medical injection force sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141791Y (en) * | 2007-12-25 | 2008-10-29 | 中国电子科技集团公司第四十八研究所 | Sensor for pressure measurement of high viscosity fluid |
| CN101470036A (en) * | 2007-12-28 | 2009-07-01 | 北京谊安医疗系统股份有限公司 | Block pressure detection and processing equipment and method for injection pump |
-
2009
- 2009-12-31 CN CN2009102175993A patent/CN102114282A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141791Y (en) * | 2007-12-25 | 2008-10-29 | 中国电子科技集团公司第四十八研究所 | Sensor for pressure measurement of high viscosity fluid |
| CN101470036A (en) * | 2007-12-28 | 2009-07-01 | 北京谊安医疗系统股份有限公司 | Block pressure detection and processing equipment and method for injection pump |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10004847B2 (en) | 2012-05-25 | 2018-06-26 | Smiths Medical Asd, Inc. | Occlusion detection |
| CN103512741A (en) * | 2013-09-29 | 2014-01-15 | 无锡众望四维科技有限公司 | Needle tube blockage detecting device of injection syringe needle mounting machine |
| CN103512741B (en) * | 2013-09-29 | 2016-02-03 | 无锡众望四维科技有限公司 | The needle tubing pass blocking pick-up unit of syringe pointer assembling machine |
| US10729848B2 (en) | 2015-06-17 | 2020-08-04 | Smiths Medical Asd, Inc. | Force sensing devices, systems and methods for syringe pumps |
| CN105067180A (en) * | 2015-08-04 | 2015-11-18 | 深圳康罗技术有限公司 | Device and method for detecting blocking pressure of injection pump |
| CN105319003A (en) * | 2015-11-13 | 2016-02-10 | 南京感控通化工产品经营部 | Device and method for measuring pressure of high pressure injector |
| CN111272399A (en) * | 2020-02-11 | 2020-06-12 | 深圳市奥科立自动化有限公司 | Wire threading testing device for medical blue-hollow needle |
| CN111272399B (en) * | 2020-02-11 | 2021-07-30 | 深圳市奥科立自动化有限公司 | Wire threading testing device for medical blue-hollow needle |
| CN112773978A (en) * | 2021-01-25 | 2021-05-11 | 安费诺(常州)连接系统有限公司 | Medical injection force sensor |
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Application publication date: 20110706 |