CN202915882U - Syringe specification automatic identification device - Google Patents
Syringe specification automatic identification device Download PDFInfo
- Publication number
- CN202915882U CN202915882U CN 201220632331 CN201220632331U CN202915882U CN 202915882 U CN202915882 U CN 202915882U CN 201220632331 CN201220632331 CN 201220632331 CN 201220632331 U CN201220632331 U CN 201220632331U CN 202915882 U CN202915882 U CN 202915882U
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- China
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- syringe
- rotating shaft
- pressing plate
- identification device
- automatic identification
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Abstract
The utility model discloses a syringe specification automatic identification device. The syringe specification automatic identification device comprises a syringe positioning frame. The syringe specification automatic identification device is characterized in that the syringe positioning frame is provided with a rotating shaft; a syringe pressing plate is fixed on the rotating shaft along a radial direction; the rotating shaft is also provided with a syringe pressing plate reset torsion spring; a magnetic block is fixed on the rotating shaft; a magnetoresistive sensor opposite to the magnetic block is fixed on the syringe positioning frame; and the magnetoresistive sensor is electrically connected with a single chip microcomputer controller or a PC. The syringe specification automatic identification device of the utility model is advantageous in higher accuracy in syringe specification identification, stronger adaptability and wider application range, and can effectively improve the safety of injecting/feeding pumps of syringes in clinical precision injection.
Description
Technical field
The utility model relates to a kind of medicine equipment, relates in particular to a kind of automatic identification device for specification of syringe.
Background technology
Because the syringe manufacturer of whole world every country does not have unified standard for the high precision employed syringe size specification of infusing, cause that the syringe size of same specification differs on the market, if adopt when clinical and manually come specification of syringe is screened aobvious comparatively loaded down with trivial details and time-consuming, existing syringe is injected pump automatic identification device for specification of syringe all is installed for this reason.Certainly in the use procedure of reality, the science of automatic identification device for specification of syringe design also will directly have influence on syringe and inject the security that pump uses.
Common automatic identification device for specification of syringe is coding pull bar hall switched in the market, and this device is combined by syringe pressing plate, coding pull bar, hollow coding pull bar guidepost, back-moving spring, magnetic patch, a Hall switch and two microswitches usually.Hall and microswitch are fixed on coding pull bar both sides, when the syringe installation forces the coding pull bar movable by the syringe pressing plate afterwards, three on-off elements will produce different open and-shut modes, form different combinations corresponding to different specification of syringes, singlechip controller or computer that the identification dependence of on off state is electrically connected with Hall and microswitch are finished.Three switches can represent eight kinds of different conditions altogether, are enough to satisfy current four kinds of specification of syringes (10ml, 20ml, 30ml, 50ml) commonly used.
Angle analysis from principle: this type of coding pull bar hall switched recognition device is actually a kind of " face " identification for the identification of specification of syringe, but not " point " identification, namely for the syringe products of the same specification of different brands, its diameter is different, and (for example the diameter range of 20ml is 19mm ~ 22.8mm, the diameter range of 30ml is 23.5mm ~ 27mm), length is different, and it is also different to be installed in the stroke that causes syringe pressing plate and coding pull bar to be passed by after injecting on the pump.For the syringe with different-diameter is identified as same specification, recognition device allows the coding pull bar to have certain stroke section, and in this interval, recognition device all will be identified as same specification to syringe, in a single day can depart from this interval, then identification error will occur.For example cause the 20ml specification syringe of vary in diameter for a kind of because of die sinking again, its corresponding recorded information still is 20ml, the coding pull bar of sensitivity is but turned left or past right avertence one segment distance slightly in the time of can identifying, departed from original stroke, cause the switch open and-shut mode to change, thereby the syringe that is actually 20ml might be identified as the syringe of 30ml, if medical personnel in time do not find and are corrected, inaccurate (the injecting the actual walking speed of pump faster than setting walking speed) that will cause infusion rates, this will produce serious consequence, and this is definitely unallowed in precise injection.
In addition, existing coding pull bar hall switched recognition device is when reality is used, often by the dimension information of manually collecting in advance each brand all size syringe, reject the king-sized brand of those dimensional discrepancys (be the syringe of certain class brand just can not inject pump in certain injector use), the syringe of these different brands is sorted out according to the size area (aforementioned diameter range) that is beneficial to recognition device identification, thus general being recorded in singlechip controller or the computer.One of shortcoming that exists is: size area can only adapt to the specification of syringe of a part of producer, and the scope of application is little, and the syringe of a lot of brands can not use; Its two: owing to lack record and the classification of carrying out accurate refinement for single brand specification of syringe, therefore another problem that faces during actual the use is: when brand message arranges mistake (for example maloperation or since the syringe brand of buying change, and often can not arrange synchronously timely in the system), tend to cause the globality mistake of specification identification, and can't make at short notice rapid adjustment and replacement, this also can greatly affect the safety of clinical injection.
Summary of the invention
The utility model purpose is: a kind of automatic identification device for specification of syringe is provided, this device is higher for the specification recognition accuracy of syringe, adaptability is stronger, the scope of application is wider, can inject the security of pump when clinical precise injection by more efficiently raising syringe.
The technical solution of the utility model is: a kind of automatic identification device for specification of syringe, comprise the syringe locating rack, it is characterized in that described syringe locating rack is provided with rotating shaft, radially be fixed with the syringe pressing plate in the described rotating shaft, and syringe pressing plate reduction torsion spring is installed also in the rotating shaft, be fixed with magnetic patch in the simultaneously described rotating shaft, and be fixed with the magnetoresistive transducer relative with magnetic patch on the syringe locating rack, described magnetoresistive transducer is electrically connected with singlechip controller or PC.
Further, magnetic patch is fixed on roller end described in the utility model, and axial relative along rotating shaft of described magnetoresistive transducer and magnetic patch.
Further, the locating rack of syringe described in the utility model is provided with the injector syringe putting groove, and described syringe pressing plate is positioned at injector syringe putting groove bottom.
Further, equal one is provided with the torsion spring locating piece on the pressing plate of syringe described in the utility model and the syringe locating rack, described syringe pressing plate reduction torsion spring is sheathed in the rotating shaft, and the two ends of syringe pressing plate reduction torsion spring are supported respectively and are located on syringe pressing plate and the syringe locating rack on the corresponding torsion spring locating piece.
The method and the principle that adopt the utility model that specification of syringe is identified are described as follows, and it comprises following two steps:
1) the pre-demarcation: place on the syringe locating rack syringe of same brand different size also static, make injector syringe radially oppress the syringe pressing plate and order about it and drive rotating shaft and magnetic patch rotates to an angle, thereby obtain the voltage signal corresponding with the angle value of syringe pressing plate rotation by the magnetoresistive transducer induction, and this voltage signal is passed to record in singlechip controller or the PC; Because for the syringe of same brand, the angle value of syringe pressing plate rotation is corresponding with the injector syringe diameter, so described voltage signal also namely characterizes the corresponding specification of syringe of corresponding brand;
2) recognition detection: the syringe brand of in singlechip controller or PC trace routine, selecting first required identification, again syringe is placed on the syringe locating rack also static, so that magnetoresistive transducer induction obtain voltage signal and be passed to singlechip controller or PC in, compare with the voltage signal of pre-demarcation: if identical, then specification identification is passed through, if different, then warn, record simultaneously this unknown voltage signal, and wait for the artificial input specification of syringe information corresponding with this unknown voltage signal.
Magnetoresistive transducer described in the utility model is prior art, and it is connected signal with singlechip controller and is connected the technology that control method also is well known to those skilled in the art with PC, no longer describe in detail in the utility model.
The utility model all can be given the built-in program of singlechip controller and PC for the demarcation of specification of syringe and identification and finish when real work, described program write and use is well known to those skilled in the art, the utility model also no longer describes in detail.
Need to prove: the same with routine techniques, the specification of syringe that relates in the utility model refers to the capacity of syringe, and for the syringe of same brand, described capacity is corresponding with the diameter of injector syringe.
The utility model has the advantages that:
1. the utility model is compared with conventional coding pull bar hall switched recognition device, converted original " face " identification to " point " identification, namely for the syringe of same brand, the syringe of a kind of specification (diameter) is corresponding to a voltage signal, so accuracy of identification is higher, especially cause for the syringe of variation in diameter because of die sinking again for same brand, the utility model can owing to source of error causes mistake identification, not injected the security of pump when clinical precise injection thereby improved to a great extent syringe.
2. the utility model is owing to adopt " point " identification, in use all the known specification syringes under the brand are carried out the pre-demarcation of refinement, so its scope of application is wider, adaptability is stronger, dirigibility is higher, when facing brand message wrong problem be set (for example maloperation or since the syringe brand of buying change, and often can not arrange synchronously timely in the system), the utility model can be made and be tackled fast and adjust, at short notice specification of syringe is demarcated again, this has also improved greatly syringe and has injected the security of pump when clinical precise injection.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is main structure synoptic diagram of the present utility model;
Fig. 2 is the C-C sectional view of Fig. 1;
Fig. 3 is the D-D sectional view of Fig. 2.
Wherein: 1, syringe locating support; 1a, injector syringe putting groove; 2, rotating shaft; 3, syringe pressing plate; 4, syringe pressing plate reduction torsion spring; 5, magnetic patch; 6, magnetoresistive transducer; A, injector syringe.
Embodiment
Embodiment: in conjunction with Fig. 1 ~ shown in Figure 3, this automatic identification device for specification of syringe that the utility model provides, it has syringe locating rack 1, described syringe locating rack 1 is provided with rotating shaft 2, radially be fixed with syringe pressing plate 3 in the described rotating shaft 2, and syringe pressing plate reduction torsion spring 4 also is installed in the rotating shaft 2, be fixed with magnetic patch 5 in the simultaneously described rotating shaft 2, and being fixed with the magnetoresistive transducer 6 relative with magnetic patch 5 on the syringe locating rack 1, described magnetoresistive transducer 6 is electrically connected with PC.
Be integrally formed with parallel two back up pads (not marking among the figure) on the locating rack of syringe described in the present embodiment 1, have relative pivoting hole on two back up pads, described rotating shaft 2 is arranged in the described pivoting hole, and rotating shaft 2 two ends all are fixed with diameter greater than the block (not marking among the figure) of pivoting hole, in case spline axle 2 is deviate from.
Magnetic patch described in the present embodiment 5 is fixed on rotating shaft 2 ends, and axial relative along rotating shaft 2 of described magnetoresistive transducer 6 and magnetic patch 5.
The locating rack of syringe described in the present embodiment 1 is provided with injector syringe putting groove 1a, and described syringe pressing plate 3 is positioned at injector syringe putting groove 1a bottom.During actual the detection, injector syringe A snaps in this injector syringe putting groove 1a, so radially oppress syringe pressing plate 3 and order about its band rotating shaft 2 and together rotate, specifically as shown in Figure 2.
Equal one is provided with torsion spring locating piece (not marking among the figure) on the pressing plate of syringe described in the present embodiment 3 and the syringe locating rack 1, described syringe pressing plate reduction torsion spring 4 is sheathed in the rotating shaft 2, and the two ends of syringe pressing plate reduction torsion spring 4 are supported respectively and are located on syringe pressing plate 3 and the syringe locating rack 1 on the corresponding torsion spring locating piece.The purpose of design of syringe pressing plate reduction torsion spring 4 is to guarantee that syringe pressing plate 3 can homing after detecting end.
Method and principle that this automatic identification device for specification of syringe that adopts the utility model to provide is identified specification of syringe are as follows, comprise two steps:
1) the pre-demarcation: place on the syringe locating rack 1 syringe of same brand different size also static, make injector syringe A radially oppress syringe pressing plate 3 and order about it and drive rotating shaft 2 and magnetic patch 5 rotates to an angle, thereby obtain the voltage signal corresponding with the angle value of syringe pressing plate 3 rotations by magnetoresistive transducer 6 inductions, and this voltage signal is passed to record in the PC; Because for the syringe of same brand, the angle value of syringe pressing plate 3 rotations is corresponding with injector syringe A diameter, so described voltage signal also namely characterizes the corresponding specification of syringe of corresponding brand;
2) recognition detection: the syringe brand of in the PC trace routine, selecting first required identification, again syringe is placed on the syringe locating rack 1 also static, so that magnetoresistive transducer 6 inductions obtain voltage signal and are passed in the PC, compare with the voltage signal of pre-demarcation: if identical, then specification identification is passed through, if different, then warns, record simultaneously this unknown voltage signal, and wait for the artificial input specification of syringe information corresponding with this unknown voltage signal.
Certainly above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the Spirit Essence of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
Claims (4)
1. automatic identification device for specification of syringe, comprise syringe locating rack (1), it is characterized in that described syringe locating rack (1) is provided with rotating shaft (2), radially be fixed with syringe pressing plate (3) in the described rotating shaft (2), and syringe pressing plate reduction torsion spring (4) is installed also in the rotating shaft (2), be fixed with magnetic patch (5) in the simultaneously described rotating shaft (2), and being fixed with the magnetoresistive transducer (6) relative with magnetic patch (5) on the syringe locating rack (1), described magnetoresistive transducer (6) is electrically connected with singlechip controller or PC.
2. automatic identification device for specification of syringe according to claim 1 is characterized in that described magnetic patch (5) is fixed on rotating shaft (2) end, and axial relative along rotating shaft (2) of described magnetoresistive transducer (6) and magnetic patch (5).
3. automatic identification device for specification of syringe according to claim 1 is characterized in that described syringe locating rack (1) is provided with injector syringe putting groove (1a), and described syringe pressing plate (3) is positioned at injector syringe putting groove (1a) bottom.
4. automatic identification device for specification of syringe according to claim 1, it is characterized in that the upper equal one of described syringe pressing plate (3) and syringe locating rack (1) is provided with the torsion spring locating piece, described syringe pressing plate reduction torsion spring (4) is sheathed in the rotating shaft (2), and the two ends of syringe pressing plate reduction torsion spring (4) are respectively to being located on the upper corresponding torsion spring locating piece of syringe pressing plate (3) and syringe locating rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632331 CN202915882U (en) | 2012-11-26 | 2012-11-26 | Syringe specification automatic identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632331 CN202915882U (en) | 2012-11-26 | 2012-11-26 | Syringe specification automatic identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202915882U true CN202915882U (en) | 2013-05-01 |
Family
ID=48164189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220632331 Withdrawn - After Issue CN202915882U (en) | 2012-11-26 | 2012-11-26 | Syringe specification automatic identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202915882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997835A (en) * | 2012-11-26 | 2013-03-27 | 苏州泽德医疗器械有限公司 | Automatic recognition device for specification of injector and recognition method thereof |
| CN103768679A (en) * | 2014-02-20 | 2014-05-07 | 江苏多维科技有限公司 | Precision injector pump and manufacturing method thereof |
-
2012
- 2012-11-26 CN CN 201220632331 patent/CN202915882U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997835A (en) * | 2012-11-26 | 2013-03-27 | 苏州泽德医疗器械有限公司 | Automatic recognition device for specification of injector and recognition method thereof |
| CN102997835B (en) * | 2012-11-26 | 2015-10-28 | 苏州泽德医疗器械有限公司 | Automatic identification device for specification of syringe and recognition methods thereof |
| CN103768679A (en) * | 2014-02-20 | 2014-05-07 | 江苏多维科技有限公司 | Precision injector pump and manufacturing method thereof |
| CN103768679B (en) * | 2014-02-20 | 2016-08-24 | 江苏多维科技有限公司 | Precision syringe pump and manufacture method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |