CN201382779Y - Syringe-size marking system for micro-syringe pump - Google Patents
Syringe-size marking system for micro-syringe pump Download PDFInfo
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- CN201382779Y CN201382779Y CN200920130710U CN200920130710U CN201382779Y CN 201382779 Y CN201382779 Y CN 201382779Y CN 200920130710 U CN200920130710 U CN 200920130710U CN 200920130710 U CN200920130710 U CN 200920130710U CN 201382779 Y CN201382779 Y CN 201382779Y
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- syringe
- cylinder piston
- micro
- optoelectronic switch
- control circuit
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Abstract
The utility model discloses a syringe-size marking system for a micro-syringe pump, which comprises a front casing 1, a rear casing, a syringe cylinder piston, a syringe cylinder, a propelling device, a control circuit, a control panel and a fixing device. The propelling device is driven by the control circuit to propel the syringe cylinder piston to walk a stroke in the scale range of the syringe cylinder piston, which needs to be marked, and the control circuit records the displacement data obtained by one-time stroke walking of the syringe cylinder piston; and the rated volumetric specifications of the syringe cylinder are detected by the pulling displacement of a pulling rod of the fixing device, and according to the obtained displacement data of the syringe cylinder piston and the rated volumetric specifications of the syringe cylinder, the inner sectional area is obtained. The syringe-size marking system can correctly mark out the specification parameters of different kinds of disposable syringes, so that the micro-syringe pump is suitable for all syringes in the market.
Description
Technical field
The utility model relates to portable medical device, especially the portable micro syringe pump.
Background technology
Micro-injection pump is a kind ofly can be widely used in each section office of hospital accurately to the Medical Devices of venous patient injectable drug.Currently marketed micro-injection pump generally can only be supported the syringe of limited quantity producer, and perhaps its calibration system relies on measuring cup, balance, rule isometry weighing apparatus.Because disposable syringe producer is numerous, specification is various, leans on the limited manufacturer data of storage when dispatching from the factory in the machine, far can not be suitable for the nearly syringe of hundred kinds of specifications that all hospitals use.Rely on conventional calibration system complex steps again, the people is that the error that causes is bigger.
Existing micro-injection pump uses the system of syringe that detailed syringe size data are deposited among the EEPROM of control circuit, when each user uses micro-injection pump, need to select the syringe model of use, because the finite capacity of the inner EEPROM of syringe, the syringe specifications parameter of all brands all can not be deposited among the EEPROM, and the syringe of producer's same specification different batches also has scale error.
We are badly in need of having a kind of system that can measure the syringe specifications parameter in real time just can accurately measure the specifications parameter of any disposable syringe by shirtsleeve operation so, overturn the conventional thought of deacclimatizing machine by syringe, look for another way, provide the system of the specifications parameter of machine recognition syringe, make micro-injection pump can be suitable for the syringe of all brands.
The utility model content
Be suitable for the problem of all brand syringes in order to solve identification syringe specifications parameter, the utility model proposes a kind of simple system, can measure the specifications parameter of any disposable syringe exactly, thereby make micro-injection pump be suitable for all on the market syringes.
The utility model is achieved in that
Micro-injection pump syringe size labeling system, comprise fore shell 1, back cover 2, cylinder piston 3, syringe 4, propulsion plant 5, control circuit 6, control panel 7, stationary installation 18, fore shell 1 is formed a cavity box body with back cover 2, control circuit 6 places the inside of cavity, syringe 4 is fixed on the fore shell 1 by stationary installation 18, cylinder piston 3 and fixedly clamping of propulsion plant 5.
Described control circuit comprises CPU8, signal acquisition circuit 9, motor-drive circuit 10, eeprom12; Described stationary installation 18 includes pull bar 15; Described propulsion plant 5 comprises stepper motor 13 and push rod 14, and stepper motor 13 connects push rod 14, push rod 14 and fixedly clamping of cylinder piston 3.
The pull-up displacement of the pull bar 15 by stationary installation 18 detects syringe 4 nominal volume specifications, according to the displacement data of cylinder piston 3 and the nominal volume specification of syringe 4, obtain interior sectional area.
Specifically,
Micro-injection pump syringe size labeling system, comprise fore shell 1, back cover 2, cylinder piston 3, syringe 4, propulsion plant 5, control circuit 6, control panel 7, fore shell 1 is formed a cavity box body with back cover 2, control circuit 6 places the inside of cavity, syringe 4 is fixed on the fore shell by stationary installation 18, cylinder piston 3 and fixedly clamping of propulsion plant 5.
Control circuit comprises CPU8, signal acquisition circuit 9, motor-drive circuit 10, optoelectronic switch 11, eeprom12.
CPU8 sends gating pulse to motor-drive circuit 10, and writes down the gating pulse number; Motor-drive circuit 10 comes drive stepping motor 13 to rotate according to umber of pulse.Motor-drive circuit 10 whenever receives a pulse, rotates a fixed angle with regard to drive stepping motor 13, makes the push rod 14 fixing displacement of advancing.Because push rod 14 and fixedly clamping of cylinder piston 3 so when gating pulse of the every transmission of CPU, can draw the displacement that cylinder piston 3 advances according to calculating.Drive propulsion plant 5 by control circuit 6, the meter full scale that pushing syringe cylinder piston 3 needs to demarcate at injector syringe 4 one stroke of passing by, one optoelectronic switch 11 is arranged in the stroke, signal acquisition circuit 9 detects optoelectronic switch 11 in real time, when injector syringe piston 3 process optoelectronic switches, send a signal to CPU, to be the boundary, whole formation is divided into half way and following half way through optoelectronic switch 11; CPU is by calculating the displacement data of half way and following half way, and displacement data is recorded among the eeprom12.
Stationary installation 18 comprises pull bar 15 and groove 16, and two projectioies on the injector syringe are fixed in the groove 16, and to fix moving on the direction parallel with syringe, pull bar 15 has an open-ended annulus, is enclosed within on the syringe 3, with the fixedly swing of syringe.
The pull-up displacement of the pull bar 15 by stationary installation 18 detects syringe 4 nominal volume specifications, according to the displacement data of cylinder piston 3 and the nominal volume specification of syringe 4, obtain interior sectional area.
Stationary installation 18 also includes three optoelectronic switches 17, and three optoelectronic switch series arrangement are arranged on the stroke of pull bar, and first optoelectronic switch is 17a, and second optoelectronic switch is 17b, and the 3rd optoelectronic switch is 17c; The luminous arm of pull bar shading light electric switch 17 during by optoelectronic switch 17 and be subjected to the light arm triggers the variation of electric signal; Press 3 optoelectronic switches of external diameter scope packing of the syringe specification of each producer, can detect syringe nominal volume specification by optoelectronic switch like this.
The specific practice that detects the syringe specification is: the pull-up displacement with pull bar is a foundation, makes the external diameter scope of the syringe specification of syringe overall diameter to be marked and each producer do contrast, thereby judgement is contained in the syringe specification on the machine.
Be distributed with control knob, status indicator lamp and parameter on the control panel 7 and show charactron.Control knob is used for input control order and regulate various states, and status indicator lamp and parameter show that charactron shows various status informations and parameter information.
Walk once to form the displacement data that obtains half way and following half way on the cylinder piston by syringe, suppose that going up the half way displacement is a, the half way displacement is b up and down, and the displacement that obtains whole stroke is (a+b).By measuring the syringe needle specification is vml, obtains that sectional area is in the syringe: v/ (a+b) so just obtains two critical sizes of sectional area in scale length that micro-injection pump need mark with syringe and the syringe.
Because clinical practice need be in syringe before the medicine injection finishes, syringe needle is extracted in prompting in advance, and we have introduced the notion of remaining warning.The remaining warning promptly: the prompting nursing staff extracted syringe needle when the medicament residue in syringe was a certain amount of, this drug residue can be provided with by the user also can be by the residual quantity of a standard of procedure stipulation, and machine produces sound and light alarm when reaching the residual volume threshold values during actual injection.
Definite needs of residual quantity threshold values are known the volume dose of residue in the uncertain syringe, and our program is achieved in that so
If last half way displacement is a, following half way displacement is b, and the displacement that obtains whole stroke is (a+b).By measuring the syringe needle specification is vml, obtains the interior sectional area of syringe horizontal stroke to be: v/ (a+b).If remaining x milliliter needs remaining the warning, our last half way displacement is a, and following half way displacement is: b.Can calculate this syringe x milliliter length and be ((a+b) x)/v, that injector syringe piston 3 triggers remaining the warning by after optoelectronic switch (11) [b-((a+b) x)/v] displacement.After injector syringe piston 3 passes through optoelectronic switch b distance, trigger and inject the warning that finishes.
The beneficial effects of the utility model are: by using this labeling system, can measure the specifications parameter of any disposable syringe exactly, thereby make micro-injection pump be suitable for all on the market syringes.
Description of drawings
Fig. 1: micro-injection pump syringe size labeling system theory diagram
Fig. 2: have the micro-injection pump stereographic map of micro-injection pump with the syringe size labeling system
Fig. 3: micro-injection pump syringe size labeling system program flow diagram
Embodiment
Shown in accompanying drawing 1,2: micro-injection pump syringe size labeling system comprises fore shell 1, back cover 2, cylinder piston 3, syringe 4, propulsion plant 5, control circuit 6, control panel 7, CPU8, signal acquisition circuit 9, motor-drive circuit 10, optoelectronic switch 11, eeprom12, stepper motor 13, push rod 14, pull bar 15, groove 16, optoelectronic switch 17 and stationary installation 18.
Control circuit comprises CPU8, signal acquisition circuit 9, motor-drive circuit 10, optoelectronic switch 11, eeprom12.
CPU8 sends gating pulse to motor-drive circuit 10, and writes down the gating pulse number; Motor-drive circuit 10 comes drive stepping motor 13 to rotate according to umber of pulse, and stepper motor 13 rotates a fixed angle, push rod 14 fixed displacement that advances.Because push rod 14 and fixedly clamping of cylinder piston 3 so when gating pulse of the every transmission of CPU8, can draw the displacement that cylinder piston 3 advances according to calculating.Drive propulsion plant 5 by control circuit 6, the meter full scale that pushing syringe cylinder piston 3 needs to demarcate at injector syringe 4 one stroke of passing by, one optoelectronic switch 11 is arranged in the stroke, signal acquisition circuit 9 detects optoelectronic switch 11 in real time, when injector syringe piston 3 process optoelectronic switches 11, send a signal to CPU8, to be the boundary, whole formation is divided into half way and following half way through optoelectronic switch 11; CPU8 is by calculating the displacement data of half way and following half way, and displacement data is recorded among the eeprom12.
Stationary installation 18 comprises pull bar 15 and groove 16, and two projectioies on the injector syringe are fixed in the groove, and to fix moving on the direction parallel with syringe, pull bar has an open-ended annulus, is enclosed within on the syringe, with the fixedly swing of syringe.Can obtain the nominal volume specification of injector syringe by the pull-up displacement of measuring pull bar.
Embodiment of the present utility model can select to obtain like this nominal volume specification of injector syringe: the user can measure the diameter dimension of syringe with slide calliper rule, external diameter scope with the syringe specification of the syringe diameter that obtains and each producer is done contrast, thereby judges the syringe specification on the machine of being contained in.After obtaining dimensions, the user need import concrete specification data by the control panel button and deposit among the eeprom of control circuit.
When the syringe diameter is 16.2 to 18.2mm, judge that syringe is the syringe of 10ml.
When the syringe diameter is 20.8 to 22.3mm, judge that syringe is the syringe of 20ml.
When the syringe diameter is 24 to 26mm, judge that syringe is the syringe of 30ml.
When the syringe diameter is 29.1 to 32mm, judge that syringe is the syringe of 50ml.
The most preferred embodiment of embodiment of the present utility model is to use optoelectronic switch to detect the nominal volume specification of injector syringe.
Stationary installation 18 also includes three optoelectronic switches 17, and three optoelectronic switch series arrangement are arranged on the stroke of pull bar, and first optoelectronic switch is 17a, and second optoelectronic switch is 17b, and the 3rd optoelectronic switch is 17c.The luminous arm of pull bar shading light electric switch 17 during by optoelectronic switch 17 and be subjected to the light arm produces electric signal; 3 optoelectronic switches of external diameter scope packing by the syringe specification of each producer can detect the syringe external diameter by optoelectronic switch like this, do contrast with the external diameter scope of the syringe specification of syringe external diameter and each producer, thereby judgement are contained in the syringe specification on the machine.
The external diameter scope that detects the syringe specification of each producer by optoelectronic switch 17 judge the syringe specification on the machine of being contained in and the corresponding relation of optoelectronic switch be:
The pull bar elemental height is not 15mm during pull-up.
When pull bar drew high 1.2 to 3.2mm, shading light electric switch 17b and optoelectronic switch 17c judged that syringe is the syringe of 10ml.
When pull bar drew high 5.8 to 7.3mm, only shading light electric switch 17b judged that syringe is the syringe of 20ml.
When pull bar drew high 9 to 11mm, shading light electric switch 17a and 17b judged that syringe is the syringe of 30ml.
When pull bar drew high 14.1 to 17mm, only shading light electric switch 17a judged that syringe is the syringe of 50ml.
Be original state during shading light electric switch 17c only, show no syringe.
Not blocking any state photoelectricity is to surpass the maximum gauge scope, shows no syringe.
Be distributed with control knob, status indicator lamp and parameter on the control panel 7 and show charactron.Control knob is used for input control order, and status indicator lamp and parameter show that charactron shows various status informations and parameter information.
Walk once to form the displacement data that obtains half way and following half way on the cylinder piston by syringe, suppose that going up the half way displacement is a, the half way displacement is b up and down, and the displacement that obtains whole stroke is (a+b).Calculate sectional area in the syringe by specification and displacement.
Because clinical practice need be in syringe before the medicine injection finishes, syringe needle is extracted in prompting in advance, and we have introduced the notion of remaining warning.The remaining warning promptly: the prompting nursing staff extracted syringe needle when the medicament residue in syringe was a certain amount of, this drug residue can be provided with by the user also can be by the residual quantity of a standard of procedure stipulation, and machine produces sound and light alarm when reaching the residual volume threshold values during actual injection.
Definite needs of residual quantity threshold values are known the volume dose of residue in the uncertain syringe, and our program is achieved in that so
If remaining x milliliter needs remaining the warning, our last half way displacement is a, and following half way displacement is: b.Can calculate this syringe x milliliter length is k, and that is crossed after the optoelectronic switch (b-k), triggers remaining the warning.Behind optoelectronic switch b, trigger and inject the warning that finishes.
As shown in Figure 3, program of the present utility model is achieved in that
Be distributed with control knob " quiet " key on the control panel, "start" button, " power supply " key etc., the user is installed to syringe in the syringe pump, presses the power key start.Long " quiet " key of pressing enters the demarcation state, waits for that the user begins mark by start key.After the user presses "start" button, CPU8 sends pulse to motor-drive circuit 10, motor-drive circuit 10 drive stepping motor 13 are rotated, injector syringe piston 3 is pushed ahead, optoelectronic switch 11 detects the propelling position of injector syringe piston 3 in real time, when cylinder piston 3 obtains first number of passes certificate during by optoelectronic switch 11, and enter second journey.Cylinder piston continues to advance, and whether CPU8 detects syringe 4 internal pressures in real time and go beyond the limit, if transfinite, then stops to advance, and obtains second number of passes certificate, will go up half way and second number of passes according to depositing among the eeprom12, jumps out the demarcation state, finishes mark.
The utility model is not limited to above-mentioned embodiment; so long as utilize the physical deformation of above-mentioned embodiment or the simple transformation of structure; realize the purpose that syringe size marks to reach with the syringe size labeling system, all belong to protection domain of the present utility model with micro-injection pump.
Claims (6)
1. micro-injection pump syringe size labeling system, comprise fore shell (1), back cover (2), cylinder piston (3), syringe (4), propulsion plant (5), control circuit (6), control panel (7), stationary installation (18), fore shell (1) is formed a cavity box body with back cover (2), control circuit (6) places the inside of cavity, syringe (4) is fixed on the fore shell (1) by stationary installation (18), cylinder piston (3) and fixedly clamping of propulsion plant (5);
It is characterized in that,
Described control circuit comprises CPU (8), signal acquisition circuit (9), motor-drive circuit (10), eeprom (12);
Described stationary installation (18) includes pull bar (15);
Described propulsion plant (5) comprises stepper motor (13) and push rod (14), and stepper motor (13) connects push rod (14), push rod (14) and fixedly clamping of cylinder piston (3);
Drive propulsion plant (5) by control circuit (6), pushing syringe cylinder piston (3) needs the meter full scale of the mark one stroke of passing by at injector syringe (4), and control circuit is noted cylinder piston (3) displacement data that one stroke obtains of passing by; CPU (8) is by calculating the displacement data of cylinder piston (3);
The pull-up displacement of the pull bar (15) by stationary installation (18) detects syringe (4) nominal volume specification, according to the displacement data of cylinder piston (3) and the nominal volume specification of syringe (4), obtain interior sectional area.
2. micro-injection pump syringe size labeling system as claimed in claim 1 is characterized in that, also comprises optoelectronic switch (11);
Drive propulsion plant (5) by control circuit (6), pushing syringe cylinder piston (3) needs the meter full scale of the mark one stroke of passing by at injector syringe (4), optoelectronic switch (11) is arranged in the stroke, with process optoelectronic switch (11) is the boundary, whole formation is divided into half way and following half way, CPU (8) is by calculating the displacement data of half way and following half way, and displacement data is recorded among the eeprom12; Injecting finishes reports to the police and remaining foundation of reporting to the police second number of passes according to can be used as.
3. micro-injection pump syringe size labeling system as claimed in claim 1, it is characterized in that, described stationary installation (18) also comprises groove (16), two projectioies on the injector syringe are fixed in the groove (16), to fix moving on the direction parallel with syringe, pull bar (15) has an annulus, with the fixedly swing of syringe.
4. as each described micro-injection pump syringe size labeling system of claim 1 to 3, it is characterized in that, be distributed with control knob, status indicator lamp and parameter on the described control panel (7) and show charactron.
5. as each described micro-injection pump syringe size labeling system of claim 1 to 3, it is characterized in that described stationary installation (18) also includes optoelectronic switch (17), detect the nominal volume specification of syringe by optoelectronic switch (17).
6. micro-injection pump syringe size labeling system as claimed in claim 4 is characterized in that described stationary installation (18) also includes optoelectronic switch (17), detects the nominal volume specification of syringe by optoelectronic switch (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920130710U CN201382779Y (en) | 2009-04-15 | 2009-04-15 | Syringe-size marking system for micro-syringe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920130710U CN201382779Y (en) | 2009-04-15 | 2009-04-15 | Syringe-size marking system for micro-syringe pump |
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| Publication Number | Publication Date |
|---|---|
| CN201382779Y true CN201382779Y (en) | 2010-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920130710U Expired - Fee Related CN201382779Y (en) | 2009-04-15 | 2009-04-15 | Syringe-size marking system for micro-syringe pump |
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| Country | Link |
|---|---|
| CN (1) | CN201382779Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718409A (en) * | 2019-02-19 | 2019-05-07 | 重庆山外山血液净化技术股份有限公司 | Heparin pump polytypic syringe monitoring and control method and control system |
| CN116499741A (en) * | 2023-06-28 | 2023-07-28 | 苏州恒瑞迦俐生生物医药科技有限公司 | Motion precision detection tool, device and method and injection device |
| CN116878856A (en) * | 2023-09-06 | 2023-10-13 | 长沙巨翊医疗科技有限公司 | Device and method for testing movement parameters of push injection component |
-
2009
- 2009-04-15 CN CN200920130710U patent/CN201382779Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718409A (en) * | 2019-02-19 | 2019-05-07 | 重庆山外山血液净化技术股份有限公司 | Heparin pump polytypic syringe monitoring and control method and control system |
| CN116499741A (en) * | 2023-06-28 | 2023-07-28 | 苏州恒瑞迦俐生生物医药科技有限公司 | Motion precision detection tool, device and method and injection device |
| CN116499741B (en) * | 2023-06-28 | 2023-09-12 | 苏州恒瑞迦俐生生物医药科技有限公司 | Motion precision detection tool, device and method and injection device |
| CN116878856A (en) * | 2023-09-06 | 2023-10-13 | 长沙巨翊医疗科技有限公司 | Device and method for testing movement parameters of push injection component |
| CN116878856B (en) * | 2023-09-06 | 2023-11-28 | 长沙巨翊医疗科技有限公司 | Device and method for testing movement parameters of push injection component |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518053 Shenzhen Nanshan District City, Ma Liuzhou Industrial Zone 15 building 6 floor Patentee after: Shenzhen Sino Medical-device Technology Co., Ltd. Address before: 1, Shenzhen, Guangdong, Nanshan District Province North City Road High East Science and Technology Park, No. 518053 factory building (Hua Ke) 2-D-2 Patentee before: Shenzhen Sino Medical-device Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Wang Min Document name: Notification that Application Deemed not to be Proposed |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili Sunshine Community Songbai Road No. 1008, building 6 floor 15 artview Patentee after: Shenzhen Sino Medical-device Technology Co., Ltd. Address before: Nanshan District Ma Liuzhou Industrial Zone of Shenzhen City, Guangdong province 518053 15 6 floor Patentee before: Shenzhen Sino Medical-device Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20160415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |