CN203075355U - Device for warning finishing state and approximate finishing state of syringe pump - Google Patents
Device for warning finishing state and approximate finishing state of syringe pump Download PDFInfo
- Publication number
- CN203075355U CN203075355U CN 201220742958 CN201220742958U CN203075355U CN 203075355 U CN203075355 U CN 203075355U CN 201220742958 CN201220742958 CN 201220742958 CN 201220742958 U CN201220742958 U CN 201220742958U CN 203075355 U CN203075355 U CN 203075355U
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- Prior art keywords
- syringe pump
- finishing
- light barrier
- printing opacity
- length
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- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims description 46
- 238000007639 printing Methods 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 34
- 238000010168 coupling process Methods 0.000 claims description 34
- 238000005859 coupling reaction Methods 0.000 claims description 34
- 230000000750 progressive effect Effects 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 claims description 4
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002550 vasoactive agent Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010836 blood and blood product Substances 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 229940125691 blood product Drugs 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a device for warning a finishing state and an approximate finishing state of a syringe pump. The device comprises a sliding block (1) arranged inside a syringe pump shell body (8), an optocoupler element (2) arranged on the sliding block, a light-blocking sheet (3) arranged perpendicular to the emission line direction of the optocoupler element (2), and a detection warning module connected with the optocoupler element (2). A plurality of light-pervious gaps are formed in the light-blocking sheet (3) in the length direction of the light-blocking sheet (3). The sliding block (1) is connected with a driving rod (4) which stretches into the syringe pump shell body (8). One end, stretching out of the syringe pump shell body (8), of the driving rod (4) is connected with an injection syringe pushing handle (6). According to the device for warning the finishing state and the approximate finishing state of the syringe pump, movement positions of the driving rod connected with the injection syringe pushing handle can be measured and calculated accurately, a warning can be given in time when the injection is finished and the injection is approximately finished, and the safety and the reliability of the device for warning the finishing state and the approximate finishing state of the syringe pump are improved greatly. In addition, the device for warning the finishing state and the approximate finishing state of the syringe pump is simple in structure, easy to operate, low in manufacturing cost and high in cost performance.
Description
Technical field
This utility model belongs to syringe pump safety design field, is specifically related to that a kind of syringe pump is finished and near finishing alarm device.
Background technology
Intravenous purpose is to carry liquid, electrolytes, medicine, blood products or long-acting nutritious holder by cardinal vein or branch road vein blood vessel to body.The intravenous injection pump is infusion medicinal liquid (controlling flow in order to ease the pain as the patient) continuously, off and on or as required.
Drug dose arrives the threshold range of set residue dosage in the syringe, this moment, syringe pump promptly showed " near finishing " alarm signal, annotated fully until the syringe inner liquid medicine, syringe pump promptly shows " finishing " alarm signal, syringe pump take place to continue " dichloro-diphenyl-dichlorothane " chimes of doom.
According to investigations, the electronics syringe pump that " near finishing " and " finishing " are caused is reported to the police and is seen at most, and the warning that this reason causes can be the heavy ICU nursery work of task on the one hand and offers help, and reminds medical personnel in time to allocate medicine; On the other hand, also explanation is grasped prevention and is correctly handled this reason and cause the importance of reporting to the police.(when particularly using vasoactive drug in first aid) should make up a prescription when syringe pump begins " near finishing " warning; When beginning " finishing " was reported to the police, the syringe that is filled medicinal liquid that in time more renews guaranteed to continue medication, and cooperates doctor's treatment work effectively.Many examples because of the untimely patient's of causing blood pressure cataclysm of making up a prescription (the particularly critical patient who needs vasoactive drug to earn a bare living of the state of an illness) once took place in the reality, and we should learn a lesson.
At present, " near finish " with " finish that " implementation method of alarm module is mainly utilized displacement transducer and utilized Hall element.
Displacement transducer can be divided into different kinds according to different principles, but it is from being a kind of device that utilizes electromagnetic principle displacement of the lines and angular displacement to be converted to the signal of telecommunication in essence.It carries out " near finish " with " finish " principle of warning be determine syringe earlier push away the handle position, can determine the total displacement that syringe will carry out, determine " near finishing " time of fire alarming according to relative shift or medicinal liquid surplus again, carry out " finishing " at last and report to the police.The displacement transducer advantage is a lot, but defective is also very big, and cost performance is not high, and the technology that is applied on the syringe pump is also immature.
Adopt Hall element carry out " near finish " with " finish and " during warning, fix a Hall element respectively, on syringe pump push-arm base limit, glue a magnet steel in " finishing " and " near finishing " these two positions.When push-arm base arrived " near finishing " position, the output of Hall element became low level by high level, carried out " near finishing " and reported to the police, and " finishing " reports to the police in like manner.Flow velocity hour, this method is reported to the police and just can be carried out " finishing " after a very long time of back and report to the police carrying out " near finishing ", inconvenient medical personnel take the time and make up a prescription.And the interchangeability of Hall element is poor, and signal varies with temperature, and exports non-linearly, also needs to carry out non-linear and temperature correction with single-chip microcomputer.
Based on above-mentioned background, this utility model designs a kind of syringe pump and finishes ﹠ near finishing alarm module, realize to " near finish " with " finish " the accurate measuring and calculating of warning.Invention of the present utility model in addition realizes that principle and method are simple, and is also very practical from economic aspect.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model provide a kind of simple in structure, precision is high, good reliability and the syringe pump of saving cost is finished and near finishing alarm device.
For reaching above purpose, the technical solution adopted in the utility model is: a kind of syringe pump is finished and near finishing alarm device, comprises light barrier that is located at the intravital slide block of syringe pump shell, is located at optic coupling element on the slide block, is provided with perpendicular to the line of departure direction of optic coupling element and the detection alarm module that links to each other with optic coupling element; Light barrier is provided with some printing opacities gap along its length direction; Slide block links to each other with drive rod in stretching into injector housing, and drive rod stretches out the outer end of injector housing and is connected with syringe and pushes away handle.
Further, a side of slide block is provided with through hole, is provided with the leading screw that runs through in the through hole, and an end of leading screw is connected with the power input block that is used to make its rotation; Leading screw is provided with external screw thread, and the inwall of the through hole of slide block is provided with the female thread that matches with the external screw thread of leading screw.
Further again, be provided with support in the syringe pump housing, the two ends of leading screw are connected the both sides of support; The two ends of light barrier are connected the both sides of support.
Further, optic coupling element is a U type optic coupling element, and the one end is provided with luminous organ, and the other end is provided with light-receiving device, constitutes U type groove between the two ends; The side that light barrier is provided with the printing opacity gap extend in the U type groove of U type optic coupling element.
Further, the consistent length of the lightproof area on the light barrier between the adjacent printing opacity gap, the length in printing opacity gap is successively decreased along the progressive direction of drive rod on the light barrier.
Perhaps, the consistent length in printing opacity gap on the light barrier, the length of the lightproof area between the adjacent printing opacity gap is successively decreased along the progressive direction of drive rod.
Perhaps, the printing opacity gap is constant with the length sum of the lightproof area that is adjacent on the light barrier, and the length in printing opacity gap increases progressively along the progressive direction of drive rod on the light barrier, and the length of the lightproof area adjacent with this printing opacity gap is successively decreased along the progressive direction of drive rod.
Device provided by the utility model adopts optic coupling element and the light barrier adaptive with it (on the light barrier non-homogeneous but be placed with the printing opacity gap regularly), in conjunction with the detection alarm device, can accurately calculate the movement position that pushes away the drive rod that handle links to each other with syringe, thereby finish and near giving the alarm in time when finishing in injection, improved greatly that syringe pump is finished and near safety and the reliability of finishing alarm device; In addition, this apparatus structure is simple, easy operating, and cost of manufacture is lower, and cost performance is higher.
Description of drawings
Fig. 1 is that a kind of syringe pump that this utility model provides is finished and the approaching vertical view of finishing alarm device, has omitted the detection alarm module among the figure;
Fig. 2 be Fig. 1 along A-A to cutaway view;
Fig. 3 is first kind of embodiment of light barrier in this utility model;
Fig. 4 is second kind of embodiment of light barrier in this utility model;
Fig. 5 is the third embodiment of light barrier in this utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this utility model is further described.
As depicted in figs. 1 and 2, a kind of syringe pump provided by the utility model is finished and near finishing alarm device, comprises light barrier 3 that is located at the intravital slide block 1 of syringe pump shell, is located at optic coupling element 2 on the slide block 1, is provided with perpendicular to the line of departure direction of optic coupling element 2 and the detection alarm module that links to each other with optic coupling element 2; Its length direction of light barrier 3 upper edges is provided with some printing opacities gap; Slide block 1 links to each other with drive rod 4 in stretching into injector housing 8, and drive rod 4 stretches out injector housing 8 ends outward and is connected with syringe and pushes away handle 6.
In this utility model, slide block 1 is provided with the leading screw 5 that runs through the one side, and an end of leading screw 5 is connected with the power input block that is used to make its rotation; And leading screw 5 is provided with external screw thread, and the position of running through of leading screw 5 is provided with through hole on the slide block 1, and the inwall of through hole is provided with the female thread that matches with the external screw thread of leading screw 5.Adopt this structure, when leading screw 5 rotated, slide block 1 can move back and forth on leading screw 5, and drove drive rod 4 and move, and moved thereby the syringe that the piston handle 10 of syringe 9 is connected on drive rod 4 pushes away the propelling of finishing when injecting under the promotion of handle 6.
In this utility model, can adopt suitable mode that slide block 1, leading screw 5 and light barrier 3 are arranged in the syringe pump housing 8.For example, in a kind of concrete embodiment, be provided with support 7 in the syringe pump housing 8, the two ends of running through the leading screw 5 on slide block 1 top are connected the both sides of support 7; The two ends of light barrier 3 are connected the both sides of support 7.
This utility model can adopt the optic coupling element 2 that is fit to arbitrarily.Under the preferable case, optic coupling element 2 is a U type optic coupling element, and the one end is provided with luminous organ, and the other end is provided with light-receiving device, constitutes U type groove between the two ends; The side that light barrier 3 is provided with the printing opacity gap extend in the formed photosensitive region of U type groove of U type optic coupling element.When leading screw 5 rotates, slide block 1 moves on leading screw 5, optic coupling element 2 on the slide block 1 moves along the length direction of light barrier 3, the printing opacity gap that can be stopped or pass through light barrier 3 by the luminous organ end-fire of optic coupling element 2 to the light of light-receiving device end by light barrier 3, thereby the level that makes optic coupling element 2 outputs takes place clocklike to change, the detection alarm module calculates the motion conditions of drive rod 4 according to the Changing Pattern of level, thereby judge whether injection process is finished or approaching finishing, and then send different alarm signals.
This utility model can adopt arbitrarily non-homogeneous but be placed with the light barrier 3 in printing opacity gap regularly.Because of the length in the printing opacity gap of light barrier 3 differs, when so slide block 1 runs to diverse location, the light-receiving device end of the optic coupling element 2 of Yi Donging receives that the time length of signal is also different thereupon, can judge slide block 1 position according to the signal of optic coupling element 2 outputs thus, and then judge the motion conditions of drive rod 4.
As shown in Figure 3, in first kind of embodiment of light barrier 3, the consistent length of the lightproof area on the light barrier 3 between the adjacent printing opacity gap, the length L in printing opacity gap on the light barrier 3
n, L
N-1, Ln-2 ... L
2, L
1Successively decrease along drive rod 4 progressive directions.
In the present embodiment, in the position of reporting to the police the closer to " near finishing " and " finishing ", the length in the printing opacity gap of light barrier 3 is more little, so optic coupling element 2 receiving terminals receive that the time of signal is also fewer and feweri, the position of promptly measured slide block 1 is also accurate more; And because light barrier 3 is very intensive near the printing opacity gap of " finish near finish " position, so can judge accurately whether slide block 1 reaches " near finishing " and " finishing " alert locations promptly can accurately be carried out " approaching finishing " and " finishing " warning.The concrete operations mode is as described below:
The initial position of supposing slide block 1 is A, and then when slide block 1 ran to the B position, the detection alarm module can be determined the exact position of slide block 1.When slide block 1 ran to the C point, syringe pump carried out " near finishing " and reports to the police; When running to the D point, carry out " finishing " and report to the police.Supposing that transfusion speed is v, is L when optic coupling element 2 continues the received signal time
2When/v and output signal became high level, the detection alarm module judged that promptly slide block 1 arrives " near finishing " alert locations, and carries out " near finishing " and report to the police.In like manner, be L when optic coupling element 2 continues the received signal time
1When/v and output signal became high level, the detection alarm module judged that promptly slide block arrives " finishing " alert locations, and carries out " finishing " and report to the police.
As shown in Figure 4, in second kind of embodiment of light barrier 3, the consistent length in printing opacity gap on the light barrier 3, the length L of the lightproof area between the adjacent printing opacity gap '
n, L'
N-1, L'
N-2... L'
2, L'
1Successively decrease along drive rod 4 progressive directions.
In the present embodiment, in the position of reporting to the police the closer to " near finishing " and " finishing ", the length of the shading light part of light barrier 3 is more little, so optic coupling element 2 light-receiving device ends can't receive that the time of signal is also fewer and feweri, the time of optic coupling element 2 lasting output low levels is shorter and shorter; Because position near " finishing ﹠ " near finishing, the shading light part of light barrier 3 is very intensive, the detection alarm module promptly can accurately be carried out " near finishing " and " finishing " warning according to the situation of change that optic coupling element 3 continues the time of output low levels can judge accurately whether slide block reaches " near finishing " and " finishing " alert locations.
As shown in Figure 5, in the third embodiment of light barrier 3, the printing opacity gap is constant with the length sum of the lightproof area that is adjacent on the light barrier 3, and the length in printing opacity gap increases progressively the length L of the lightproof area adjacent with this printing opacity gap on the light barrier 3 along drive rod 4 progressive directions "
n, L "
N-1, L "
N-2... L "
2, L "
1Along drive rod 4 progressive directions successively decrease (herein, with lightproof area L "
nThe length in corresponding printing opacity gap is 0).
In the present embodiment, in the position of reporting to the police the closer to " near finishing " and " finishing ", the length of the shading light part of light barrier 3 is more little, the length in printing opacity gap is big more, so optic coupling element 2 light-receiving device ends can't receive that the time of signal is fewer and feweri, receives that the time of signal is more and more longer, correspondingly, the time of optic coupling element 2 lasting output low levels is shorter and shorter, and the time of lasting output high level is more and more longer, and the position of promptly measured slide block 1 is also accurate more.The situation of change that the detection alarm module continues the time of output low levels according to optic coupling element 2 and continues the time of output high level can judge accurately whether slide block 1 reaches " near finishing " and " finishing " alert locations promptly can accurately be carried out " near finishing " and " finishing " warning.
The foregoing description just illustrates of the present utility model, and this utility model also can be implemented with other ad hoc fashion or other particular form, and does not depart from main idea of the present utility model or substitutive characteristics.Therefore, the embodiment of description all should be considered as illustrative from any aspect but not be determinate.Scope of the present utility model should be by the explanation of additional claim, anyly also should be included in the scope of the present utility model with the intention of claim and the variation of scope equivalence.
Claims (7)
1. a syringe pump is finished and the approaching alarm device of finishing, it is characterized in that light barrier (3) that comprises the slide block (1) that is located in the syringe pump housing (8), is located at optic coupling element (2) on the slide block, is provided with perpendicular to the line of departure direction of optic coupling element (2) and the detection alarm module that links to each other with optic coupling element (2); Light barrier (3) is provided with some printing opacities gap along its length direction; Slide block (1) links to each other with the drive rod (4) that stretches in the injector housing (8), and drive rod (4) stretches out injector housing (a 8) end outward and is connected with syringe and pushes away handle (6).
2. a kind of syringe pump according to claim 1 is finished and the approaching alarm device of finishing, it is characterized in that, one side of slide block (1) is provided with through hole, is provided with the leading screw (5) that runs through in the through hole, and an end of leading screw (5) is connected with the power input block that is used to make its rotation; Leading screw (5) is provided with external screw thread, and the inwall of the through hole of slide block (1) is provided with the female thread that matches with the external screw thread of leading screw (5).
3. a kind of syringe pump according to claim 2 is finished and near finishing alarm device, be it is characterized in that be provided with support (7) in the syringe pump housing (8), the two ends of leading screw (5) are connected the both sides of support (7); The two ends of light barrier (3) are connected the both sides of support (7).
4. a kind of syringe pump according to claim 1 is finished and near finishing alarm device, be it is characterized in that optic coupling element (2) is a U type optic coupling element, and the one end is provided with luminous organ, and the other end is provided with light-receiving device, constitutes U type groove between the two ends; The side that light barrier (3) is provided with the printing opacity gap extend in the U type groove of U type optic coupling element.
5. finish according to the arbitrary described a kind of syringe pump of claim 1-4 and the approaching alarm device of finishing, it is characterized in that, light barrier (3) is gone up the consistent length of the lightproof area between the adjacent printing opacity gap, and light barrier (3) is gone up the length in printing opacity gap and successively decreased along the progressive direction of drive rod (4).
6. finish according to the arbitrary described a kind of syringe pump of claim 1-4 and the approaching alarm device of finishing, it is characterized in that, light barrier (3) is gone up the consistent length in printing opacity gap, and the length of the lightproof area between the adjacent printing opacity gap is successively decreased along the progressive direction of drive rod (4).
7. finish according to the arbitrary described a kind of syringe pump of claim 1-4 and the approaching alarm device of finishing, it is characterized in that, it is constant with the length sum of the lightproof area that is adjacent that light barrier (3) is gone up the printing opacity gap, and the length that light barrier (3) is gone up the printing opacity gap increases progressively along the progressive direction of drive rod (4), and the length of the lightproof area adjacent with this printing opacity gap is successively decreased along the progressive direction of drive rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742958 CN203075355U (en) | 2012-12-28 | 2012-12-28 | Device for warning finishing state and approximate finishing state of syringe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742958 CN203075355U (en) | 2012-12-28 | 2012-12-28 | Device for warning finishing state and approximate finishing state of syringe pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203075355U true CN203075355U (en) | 2013-07-24 |
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ID=48821240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220742958 Expired - Fee Related CN203075355U (en) | 2012-12-28 | 2012-12-28 | Device for warning finishing state and approximate finishing state of syringe pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203075355U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105288783A (en) * | 2015-10-08 | 2016-02-03 | 深圳康罗技术有限公司 | Injection pump as well as position detection method and device of injection pump sliding block |
| CN109420215A (en) * | 2017-09-04 | 2019-03-05 | 浙江史密斯医学仪器有限公司 | A kind of syringe pump of the structure with whole infusion safety detection and near-space detection |
| CN112263754A (en) * | 2020-10-23 | 2021-01-26 | 贵州天地药业有限责任公司 | Injection device detection alarm system |
-
2012
- 2012-12-28 CN CN 201220742958 patent/CN203075355U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105288783A (en) * | 2015-10-08 | 2016-02-03 | 深圳康罗技术有限公司 | Injection pump as well as position detection method and device of injection pump sliding block |
| CN105288783B (en) * | 2015-10-08 | 2018-09-21 | 深圳市仕浦电气有限公司 | The method for detecting position and device of syringe pump, syringe pump sliding block |
| CN109420215A (en) * | 2017-09-04 | 2019-03-05 | 浙江史密斯医学仪器有限公司 | A kind of syringe pump of the structure with whole infusion safety detection and near-space detection |
| CN112263754A (en) * | 2020-10-23 | 2021-01-26 | 贵州天地药业有限责任公司 | Injection device detection alarm system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180614 Address after: 101318 room 1220-1222, two floor, 7 building, 9 Anqing Avenue, B District, Shunyi District Airport Industrial Zone, Beijing. Patentee after: BEIJING LIFEPUM HUIKANG MEDICAL TECHNOLOGY CO., LTD. Address before: 100107 Beijing Chaoyang District Beichen green home brush Lin Yuan Co-patentee before: Gao Zhixiang Patentee before: Liu Zhongxin Co-patentee before: Chang Zhishu |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20201228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |