CN102908697B - Infusion pump and detection device for clamping position of infusion tube of infusion pump - Google Patents
Infusion pump and detection device for clamping position of infusion tube of infusion pump Download PDFInfo
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- CN102908697B CN102908697B CN201210385695.0A CN201210385695A CN102908697B CN 102908697 B CN102908697 B CN 102908697B CN 201210385695 A CN201210385695 A CN 201210385695A CN 102908697 B CN102908697 B CN 102908697B
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Abstract
The invention discloses a detection device for a clamping position of an infusion tube in an infusion pump, which comprises a pull rod, a tube pressing block, a tube pressing block covering plate and compression springs, wherein the tube pressing block is perpendicularly and fixedly connected with the end face of the pull rod; the pull rod is fixed on the tube pressing block covering plate; and the compression springs are arranged between the tube pressing block covering plate and an infusion pump body. The detection device further comprises a push rod rotationally connected with the pull rod, wherein a limiting snap is arranged at one end of the push rod. A baffle block matched with the limiting snap is fixed on the outer side of the pump body and used for limiting the push rod. As the detection device is additionally mounted on the infusion pump, whether the infusion tube is mounted at a right position in the infusion pump can be effectively detected, the safety and reliability of the infusion pump can be further ensured, and severe or fatal injuries to patients as a solution is infused directly through the infusion tube buy not through the pump body due to inappropriate mounting of the infusion tube are effectively avoided.
Description
Technical field
The present invention relates to infusion apparatus technical field, relate in particular to a kind of infusion pump and tube for transfusion clip position checkout gear thereof.
Background technology
In the time that the patients such as pancreatitis, diabetes, hypertension, shock, liver transplantation are infused, administration needs very accurately, active drug total amount is very little and injection speed is slow or long-time flow velocity is even, for reaching this object, carry out in infusion process patient, conventionally use the parameter such as flow velocity of infusion pump control transfusion.
The operation of infusion pump is fairly simple, and with respect to traditional flow velocity that manually drips speed folder and perusal control transfusion, infusion pump can be accomplished injection speed accurately, and can accomplish automatic alarm to the bubble in infusion process, obstruction, infusion-completed, and according to the generation of alarm condition stopping infusion voluntarily.The use of infusion pump contributes to alleviate the intensity of nursery work, improves safety, accuracy and efficiency, and can improve nursing level.
If infusion pump will detect liquid information in tube for transfusion, just require the installation site of tube for transfusion must be correct, what tube for transfusion and the induction apparatus such as bubble induction apparatus, obstruction induction apparatus in infusion pump must be correct contacts.If the installation site of tube for transfusion is incorrect, the situation that can cause tube for transfusion still patient to be infused without infusion pump, thus cause the direct phenomenon of leakage, in the time of clinical use, can cause serious or fatal harm to patient.As Chinese patent application 200510021803.6 discloses a kind of infusion pump without pump door, this infusion pump comprises housing and pump body structure, peristaltic pump, bubble induction apparatus, block the same end of fixed panel that induction apparatus is set in parallel in pump body structure, movable pressing board is arranged on fixed panel opposite and can closes up with fixed panel end face, elastic stretching/compressing mechanism is connected with movable pressing board and drives movable pressing board to do straight reciprocating motion under the effect of external force, between fixed panel and movable pressing board, can open a gap to make, tube for transfusion is inserted wherein, then closed described gap, described tube for transfusion is pressed between described fixed panel and movable pressing board, and be provided with in the fore shell of housing and gap position corresponding position one with the suitable open slot of gap size.In this patent application, the disclosed infusion pump without pump door is with respect to the existing infusion pump that has pump door, its structure is simpler and easy to operate, but it lacks the installation site detection to tube for transfusion, its acquiescence be if tube for transfusion pack bubble detection position into, handle puts down, infusion pump is just given tacit consent to tube for transfusion and has been installed, and whether tube for transfusion reality really installs the operator that places one's entire reliance upon whether stretching tube for transfusion and install to position, there is no the stretching infusion pump leakage accident that may cause.
Summary of the invention
The object of the invention is to propose tube for transfusion clip position checkout gear in a kind of infusion pump, by the intermediate detection to tube for transfusion installation site, can make infusion pump there is higher safety, stability and reliability patient is carried out to infusion process.
For reaching this object, the present invention by the following technical solutions:
Tube for transfusion clip position checkout gear in a kind of infusion pump, comprises pull bar, pressure pipe piece, pressure pipe piece cover plate and Compress Spring, wherein, is provided with draw-in groove and is slidably arranged on the described infusion pump pump housing on described pressure pipe piece;
Described pull bar is slidably arranged on the pump housing;
Described pressure pipe piece cover plate is fixed on described pull bar, is provided with the snap fit coordinating with the draw-in groove on described pressure pipe piece on described pressure pipe piece cover plate;
Described Compress Spring is arranged between described pressure pipe piece cover plate and the infusion pump pump housing;
Described checkout gear also comprises the push rod being rotatably connected with described pull bar, and one end of described push rod is provided with spacing snap fit, and one end of described push rod is through the through hole being arranged on pressure pipe piece;
Described pump housing outside is fixed with the block coordinating with described spacing snap fit, and described block is spacing for described push rod.
As a kind of preferred version of above-mentioned detection device, described checkout gear also comprises sense switch, and described sense switch is connected with display lamp.
As a kind of preferred version of above-mentioned detection device, described pump housing outside is fixed with fairlead, and one end that does not connect pressure pipe piece of described pull bar is through described fairlead, and described push rod can be free to slide by relatively described fairlead.
As a kind of preferred version of above-mentioned detection device, described pull bar comprises pull bar main body and push rod installation portion, and described push rod is connected with described push rod installation portion by rotating shaft, in described pull bar main body, is provided with opening.
As a kind of preferred version of above-mentioned detection device, described push rod comprises holding section, connecting portion and tube for transfusion installation portion, described holding section connect by described connecting portion from tube for transfusion installation portion and both horizontal levels of living in different; The end of described holding section is provided with described spacing snap fit, and described tube for transfusion installation portion is provided with tube for transfusion mounting groove.
As a kind of preferred version of above-mentioned detection device, on described connecting portion, be provided with groove, described groove is in the time that described push rod moves with respect to described pull bar, for described push rod provides the space of motion.
As a kind of preferred version of above-mentioned detection device, between described push rod installation portion and described tube for transfusion installation portion, be provided with retracting spring.
As a kind of preferred version of above-mentioned detection device, the length of the opening in described pull bar main body is slightly larger than the length of described holding section, and described opening freely passes through for described holding section.
As a kind of preferred version of above-mentioned detection device, described pull bar is connected with handle by connecting rod.
A kind of infusion pump, comprises above-described tube for transfusion clip position checkout gear and the pump housing, it is characterized in that, described checkout gear and the pump housing are arranged in infusion pump housing; The described pump housing comprises motor, control module and induction apparatus, and described checkout gear connects the side with the pump housing, for fixing tube for transfusion is installed, and the clip position of detection tube for transfusion; The outer surface of described housing is also provided with display screen and control panel.
Beneficial effect of the present invention is: the present invention is by providing tube for transfusion clip position checkout gear in a kind of infusion pump, whether correctly can effectively detect the installation site of tube for transfusion in infusion pump by increase checking device in infusion pump, the safety and reliability of infusion pump can be further provided, effectively avoided tube for transfusion to install not in place, the tube for transfusion of appearance is without the pump housing serious or fatal harm that directly phenomenon of transfusion causes patient simultaneously.
Brief description of the drawings
Fig. 1 is the top plan view of the infusion pump that provides of the specific embodiment of the invention, and wherein tube for transfusion is not also in place;
Fig. 2 is the structure for amplifying schematic diagram of the push rod of tube for transfusion clip position checkout gear in infusion pump shown in Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram of the pull bar of tube for transfusion clip position checkout gear in infusion pump shown in Fig. 1;
Fig. 4 be in Fig. 3 " A-A " to cutaway view;
Fig. 5 is the top plan view under the state of the checkout gear that provides of the specific embodiment of the invention before tube for transfusion is installed;
Fig. 6 is the front view under the state of the checkout gear that provides of the specific embodiment of the invention before tube for transfusion is installed;
Fig. 7 is that the checkout gear that the specific embodiment of the invention provides is installed the top plan view under state not in place at tube for transfusion;
Fig. 8 is that the checkout gear that the specific embodiment of the invention provides is installed the front view under state not in place at tube for transfusion;
Fig. 9 is the top plan view of the checkout gear that provides of the specific embodiment of the invention under the correct installment state of tube for transfusion;
Figure 10 is the front view of the checkout gear that provides of the specific embodiment of the invention under the correct installment state of tube for transfusion.
Wherein: overlook the visual angle referring to along liquid flow direction in tube for transfusion;
1: pull bar; 2: pressure pipe piece; 3: pressure pipe piece cover plate; 4: the infusion pump pump housing; 5: Compress Spring; 6: push rod; 7: sense switch; 8: tube for transfusion; 11: pull bar main body; 12: push rod installation portion; 13: handle installation portion; 14: shaft hole; 15: opening; 16: connecting rod; 17: handle; 18: rotating shaft; 31: snap fit; 41: block; 42: fairlead; 61: spacing snap fit; 62: holding section; 63: connecting portion; 64: tube for transfusion installation portion; 641: tube for transfusion mounting groove; 642: retracting spring; 100: infusion pump; 110: checkout gear;
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by detailed description of the invention.
As shown in Fig. 1～10, a kind of infusion pump 100, comprises the pump housing 4 and tube for transfusion clip position checkout gear 110 (being designated hereinafter simply as checkout gear).The pump housing 4 is the main part of infusion pump systems 100, comprises the functional modules such as motor, control circuit, induction apparatus.Checkout gear 110 is connected in the pump housing 4 one sides, for fixing tube for transfusion being installed and being detected tube for transfusion clip position.Infusion pump 100 can further comprise a housing (not shown), the pump housing 4 and checkout gear 110 can be arranged in housing, housing outer surface can arrange display screen and control panel, display screen can be used for exporting the transfusion relevant information of the pump housing and checkout gear output, control panel can be used for the information such as manually input transfusion control/demonstration, and concrete is not described in detail in this.
A tube for transfusion clip position checkout gear for embodiment, the pressure pipe piece 2 that comprises pull bar 1 and be slidably connected with the pump housing, this pressure pipe piece 2, for coordinate the clamping forming tube for transfusion with the pump housing, is provided with draw-in groove on this pressure pipe piece 2, pull bar 1 top is also fixed with pressure pipe piece cover plate 3, on this pressure pipe piece cover plate 3, be connected with the snap fit 31 matching with the draw-in groove being arranged on pressure pipe piece 2, snap fit 31 is in the time that pressure pipe piece cover plate 3 moves to ad-hoc location, snap fit 31 catches on the draw-in groove being arranged on pressure pipe piece 2, and be with dynamic pressure tube piece 2 to move, between pressure pipe piece cover plate 3 and the infusion pump pump housing 4, be provided with Compress Spring 5, quantity between Compress Spring 5 between pressure pipe piece cover plate 3 and the infusion pump pump housing 4 is 4, 4 Compress Spring 5 one end lay respectively at the corner location of pressure pipe piece cover plate 3, its other end is fixed on the infusion pump pump housing 4, return after Compress Spring 5 is opened for pull bar 1.
Checkout gear also comprises the push rod 6 being rotatably connected with pull bar 1, one end of push rod 6 is provided with spacing snap fit 61, the infusion pump pump housing 4 outsides are fixed with the block 41 coordinating with spacing snap fit 61, and block 41, in the time that push rod 6 moves to certain position, plays spacing effect with push rod 6.
Checkout gear also comprises sense switch 7, sense switch 7 is connected with display lamp (not shown), above-mentioned detection switch 7 contacts with sense switch 7 for moving to ad-hoc location when pressure pipe piece cover plate 3, sense switch 7 is opened, it is luminous that this sense switch 7 is controlled connected display lamp (not shown) simultaneously, has now been in place with prompting operation person's tube for transfusion.
The infusion pump pump housing 4 outsides are also fixed with fairlead 42, and pull bar 1 does not connect one end of pressure pipe piece 2 through the gathering sill in fairlead 42, and can be free to slide along gathering sill the effect that fairlead 42 provides location and supports for pull bar 1.
As shown in Figure 3, pull bar 1 comprises pull bar main body 11, push rod installation portion 12 and handle installation portion 13, one end that is arranged on pull bar main body 11 of this handle installation portion 12, push rod installation portion 12 is arranged on the other end of pull bar main body, in above-mentioned pull bar main body 11 and push rod installation portion 12, there is the cavity that holds push rod 6, and be provided with shaft hole 14 at push rod installation portion 12, push rod 6 is rotatably connected with push rod installation portion 12 by the rotating shaft 18 being arranged in shaft hole 14, in pull bar main body 11, be also provided with opening 15, this opening 15 is used to the rotation of push rod 6 that the space of rotation is provided.
As shown in Figure 2, push rod 6 comprises holding section 62, connecting portion 63 and tube for transfusion installation portion 64.Be parallel to each other holding section 62 and tube for transfusion installation portion 64 is connected by the connecting portion 63 tilting, and holding section 62 is different with the residing horizontal level of tube for transfusion installation portion 64.The end of holding section 62 is provided with spacing snap fit 61, and tube for transfusion installation portion 64 is provided with tube for transfusion mounting groove 641, and tube for transfusion mounting groove 641 is spacing for tube for transfusion 8 being carried out in tube for transfusion installation process, can ensure that tube for transfusion 8 is arranged on correct position.
Connecting portion 63 is provided with groove towards a side of pull bar main body 11, in the time that push rod 6 rises towards pull bar 1 opening 15 direction perks under the squeezing action of tube for transfusion 8, owing to thering is groove on connecting portion 63, between push rod 6 and pull bar main body 11, there is larger space, can avoid connecting portion 63 blocked by pull bar main body 11 and can not move.
Between push rod installation portion 12 and tube for transfusion installation portion 64, be provided with retracting spring 642, the playback of retracting spring 642 after for push rod 6 perks, in this embodiment, retracting spring 642 adopts micro-force spring, because push rod 6 is by perk under the pressure-acting of tube for transfusion 8, tube for transfusion 8 is flexible material, if the elastic force of retracting spring 642 is excessive, may cause tube for transfusion 8 that strain occurs, affect the normal use of tube for transfusion 8, the selection standard of retracting spring 642 is to meet the normal return that can make after push rod 6 perks, under the effect of tube for transfusion 8 pressure, can be stretched easily simultaneously.
Opening 15 in pull bar main body 11 can meet the holding section 62 of push rod 6 freely to be passed through, and in this embodiment, what opening was concrete is shaped as rectangle, can certainly be other shape, can freely pass through as long as meet holding section 62; The length of opening 15 is slightly larger than the length of holding section 62, opening 15 for holding section 62 at push rod 6 passing through when perk under the squeezing action at tube for transfusion, the length that the length of opening 14 is slightly larger than holding section 62 is ensureing that the freely through while of holding section 62 does not affect the structural strength of pull bar 1.
Pull bar 1 is connected to handle 17 by connecting rod 16, handle 17 is positioned at the outside of the infusion pump pump housing 4, by driving pull bar 1 to move to 17 the push-and-pull of shaking hands, the convenient artificial control to checkout gear, in the application, also the structure with tooth bar can be made in of pull bar 1 side, and use and fill cogged driven by motor pull bar 1 and move.
On pressure pipe piece 2, be provided with the passage passing for push rod 6, and push rod 6 can be free to slide with respect to pressure pipe piece 2, after installing after tube for transfusion, press push rod 6, now pull bar 1 continues motion, and contacts with pressure pipe piece 2, and pressure pipe piece 2 contacts with pump sheet under the effect of pull bar 1 thrust.
As Fig. 4～10 are depicted as checkout gear detecting duties different when tube for transfusion installation site, the method that specifically detects tube for transfusion installation site comprises the following steps:
Steps A: pull the handle of above-mentioned detection device, pull bar moves with handle, pull bar drives push rod to move simultaneously, thereby makes to be separated by a distance between pressure pipe piece and pump housing pump sheet, but push rod end does not separate with pump sheet;
Step B: unclamp handle, pull bar is return under the effect of Compress Spring, when the spacing snap fit of push rod contacts with block, push rod, pull bar can limitedly no longer move, and pull bar end contacts with pressure pipe piece;
Step C: tube for transfusion is positioned in the tube for transfusion mounting groove of push rod, to be passed to push rod towards the thrust of the pump housing by tube for transfusion simultaneously, push rod rotates around the axis under the effect of thrust, push rod departs from block after rotating, push rod, pull bar continue motion under the elastic force of Compress Spring, and pressure pipe piece moves towards pump housing direction under the effect of push rod simultaneously;
In the above work process of checkout gear, pressure pipe piece cover plate does not have and sense switch contacts, and sense switch is in closed condition, and display lamp is not luminous yet.
Step D: in the time that push rod, pull bar and pressure pipe piece move to desired location, be that pressure pipe piece and pump sheet form the clamping to tube for transfusion, the pressure pipe piece cover plate being now arranged on pull bar contacts with sense switch, the lower control of the sense switch effect of being under pressure display lamp is opened instruction tube for transfusion and is arranged on tram, and the light that display lamp sends in this process is green glow.
Step F: observe instruction tube for transfusion and install after correct instruction, open infusion pump and start patient to infuse.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (10)
1. a tube for transfusion clip position checkout gear in infusion pump, comprises pull bar, pressure pipe piece, pressure pipe piece cover plate and Compress Spring, it is characterized in that, is provided with draw-in groove and is slidably arranged on the described infusion pump pump housing on described pressure pipe piece;
Described pull bar is slidably arranged on the pump housing;
Described pressure pipe piece cover plate is fixed on described pull bar, is provided with the snap fit coordinating with the draw-in groove on described pressure pipe piece on described pressure pipe piece cover plate;
Described Compress Spring is arranged between described pressure pipe piece cover plate and the infusion pump pump housing;
Described checkout gear also comprises the push rod being rotatably connected with described pull bar, and one end of described push rod is provided with spacing snap fit, and one end of described push rod is through the through hole being arranged on pressure pipe piece;
Described pump housing outside is fixed with the block coordinating with described spacing snap fit, and described block is spacing for described push rod.
2. checkout gear according to claim 1, is characterized in that, described checkout gear also comprises sense switch, and described sense switch is connected with display lamp.
3. checkout gear according to claim 1, is characterized in that, described pump housing outside is fixed with fairlead, and one end that does not connect pressure pipe piece of described pull bar is through described fairlead, and described push rod can be free to slide by relatively described fairlead.
4. checkout gear according to claim 1, is characterized in that, described pull bar comprises pull bar main body and push rod installation portion, and described push rod is connected with described push rod installation portion by rotating shaft, in described pull bar main body, is provided with opening.
5. checkout gear according to claim 1, is characterized in that, described push rod comprises holding section, connecting portion and tube for transfusion installation portion, described holding section connect by described connecting portion from tube for transfusion installation portion and both horizontal levels of living in different; The end of described holding section is provided with described spacing snap fit, and described tube for transfusion installation portion is provided with tube for transfusion mounting groove.
6. checkout gear according to claim 5, is characterized in that, on described connecting portion, is provided with groove, and described groove is in the time that described push rod moves with respect to described pull bar, for described push rod provides the space of motion.
7. according to the checkout gear described in claim 4 or 5, it is characterized in that, between described push rod installation portion and described tube for transfusion installation portion, be provided with retracting spring.
8. according to the checkout gear described in claim 4 or 5, it is characterized in that, the length of the opening in described pull bar main body is slightly larger than the length of described holding section, and described opening freely passes through for described holding section.
9. checkout gear according to claim 1, is characterized in that, described pull bar is connected with handle by connecting rod.
10. an infusion pump, comprises tube for transfusion clip position checkout gear claimed in claim 1 and the pump housing, it is characterized in that, described checkout gear and the pump housing are arranged in infusion pump housing; The described pump housing comprises motor, control module and induction apparatus, and described checkout gear connects the side with the pump housing, for fixing tube for transfusion is installed, and the clip position of detection tube for transfusion; The outer surface of described housing is also provided with display screen and control panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210385695.0A CN102908697B (en) | 2012-10-12 | 2012-10-12 | Infusion pump and detection device for clamping position of infusion tube of infusion pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210385695.0A CN102908697B (en) | 2012-10-12 | 2012-10-12 | Infusion pump and detection device for clamping position of infusion tube of infusion pump |
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| CN102908697A CN102908697A (en) | 2013-02-06 |
| CN102908697B true CN102908697B (en) | 2014-10-22 |
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| CN201210385695.0A Active CN102908697B (en) | 2012-10-12 | 2012-10-12 | Infusion pump and detection device for clamping position of infusion tube of infusion pump |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324432B (en) * | 2013-07-22 | 2020-03-24 | 百特国际有限公司 | Infusion pump comprising anti-misloading device |
| CN105352653B (en) * | 2015-11-20 | 2018-02-23 | 深圳影迈科技股份有限公司 | Infusion pump devices |
| CN105771037B (en) * | 2015-12-31 | 2019-03-01 | 深圳麦科田生物医疗技术有限公司 | A kind of syringe pump |
| CN105854124A (en) * | 2016-04-07 | 2016-08-17 | 陕西华燕航空仪表有限公司 | Infusion tube liquid level monitoring device |
| CN109432530B (en) * | 2018-10-22 | 2021-01-29 | 南通市第一人民医院 | Enema type osmotic treatment device and method for nephrology department |
| CN113877023B (en) * | 2021-09-14 | 2023-03-14 | 中国人民解放军联勤保障部队第九八〇医院 | Accurate metering chemotherapy pump |
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| CN202909206U (en) * | 2012-10-12 | 2013-05-01 | 深圳市深科医疗器械技术开发有限公司 | Infusion pump and infusion tube clip position detecting device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007236597A (en) * | 2006-03-08 | 2007-09-20 | Atom Medical Corp | Transfusion apparatus |
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| US6731216B2 (en) * | 2002-05-20 | 2004-05-04 | B. Braun Medical, Inc. | Proper tubing installation testing method and apparatus for a peristaltic pump |
| CN101990447A (en) * | 2008-04-30 | 2011-03-23 | 并木精密宝石株式会社 | Tubing misload detection mechanism for an infusion pump |
| CN202909206U (en) * | 2012-10-12 | 2013-05-01 | 深圳市深科医疗器械技术开发有限公司 | Infusion pump and infusion tube clip position detecting device thereof |
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Address after: MINDRAY No. 1203 518000 light production base in Guangdong province Shenzhen Guangming Street South Yu Tong Road No. 2 building, 5 floor Patentee after: Shenzhen MINDRAY Technology Co., Ltd. Address before: 518024 Building 5 and 6, building A, Shenzhen, Guangdong, Qingshui River, Luohu District Patentee before: Shengke Medical Instrument Technology Development Co., Ltd., Shenzhen City |