CN104173076A - Radiation protection device - Google Patents
Radiation protection device Download PDFInfo
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- CN104173076A CN104173076A CN201410437211.1A CN201410437211A CN104173076A CN 104173076 A CN104173076 A CN 104173076A CN 201410437211 A CN201410437211 A CN 201410437211A CN 104173076 A CN104173076 A CN 104173076A
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- support
- ray
- radioprotective
- preventer
- elevating mechanism
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Abstract
The invention provides a radiation protection device, and belongs to the field of X-ray examination. The radiation protection device comprises a supporting mechanism, a protection mechanism and a lifting mechanism. The supporting mechanism comprises a first support and a second support, a movable plate capable of vertically sliding along the first support is arranged on the first support and used for mounting an X-ray receiver, the protection mechanism comprises a curtain arm support and a protection curtain, the protection curtain is arranged on the curtain arm support, X-rays emitted by an X-ray emission tube can reach the X-ray receiver through the protection curtain, the lifting mechanism can drive the protection mechanism to vertically slide along the second support and is arranged on the second support, and the curtain arm support is arranged on the lifting mechanism. When the radiation protection device is used, only parts of the X-rays emitted by the X-ray emission tube reach the X-ray receiver by adjusting the heights of the movable plate and the protection curtain, the rest X-rays are blocked by the protection curtain, excessive X-ray irradiation is avoided, and physiological functional disorder caused by X-ray irradiation is avoided.
Description
Technical field
The present invention relates to X-ray examination field, in particular to radioprotective preventer.
Background technology
X-ray examination is at home and abroad widely used clinically as a kind of common medical diagnosis means, when X-ray is irradiated to human body, can make cell be suppressed, destroy even downright bad, cause body that the change of physiology in various degree, pathology and the aspect such as biochemical occurs, therefore need in X-ray examination, carry out necessary protection, avoiding excessive X-ray to irradiate affects physiological function.
Existing preventive means is generally dresses wardrobe for lead protective clothes skirt, muffler etc., dresses and comparatively bothers and be easy to slippage, affects staff's inspection, and work efficiency is lower, and many people dress same protector and easily cause cross infection in addition.
Summary of the invention
The invention provides a kind of radioprotective preventer, to address the above problem.
The present invention is achieved in that
A kind of radioprotective preventer, comprising: supporting mechanism, and supporting mechanism comprises the first support and the second support, is provided with the portable plate that can slide up and down along the first support on the first support, portable plate is used for installing X-ray receiver; Protection mechanism, protection mechanism comprises curtain arm support and cutting means enclosure, and cutting means enclosure is arranged on curtain arm support, and the tube-launched X-ray of X-ray can arrive X-ray receiver by cutting means enclosure; The elevating mechanism that drives protection mechanism to slide up and down along the second support, elevating mechanism is arranged on the second support, and curtain arm support is arranged on elevating mechanism.
The first support is mainly used in the X-ray receiver on movable support plate and portable plate, and X-ray receiver can be moved up and down along with portable plate, use and check the different parts of human body so that be applicable to the people of different heights, the sliding type of portable plate on the first support is varied, as can be on the first support, chute be set, slide block etc. is set on portable plate; The second support is mainly used in supporting protection mechanism, elevating mechanism and controlling organization etc.; Curtain arm support is for fixed protection curtain, cutting means enclosure can stop X-ray, the X-ray being irradiated on cutting means enclosure is all blocked, cannot move on, can only make part X-ray arrive X-ray receiver, X-ray is varied by the mode of cutting means enclosure, both can X-ray be seen through by through hole is set on cutting means enclosure, also can adopt two cutting means enclosures to block respectively above and below, between the two, leave certain gap; Elevating mechanism is mainly used in controlling the lifting of protection mechanism, due to people's height difference or the position difference checking, need suitably to regulate the height of X-ray transmitting tube and X-ray receiver, therefore need to regulate the position of cutting means enclosure, make the tube-launched X-ray of X-ray to arrive X-ray receiver by cutting means enclosure, elevating mechanism can free lifting, makes protection mechanism can arrive suitable position and carries out X-ray irradiation.
The work process of radioprotective preventer: determine the height of X-ray transmitting tube according to the difference of height or check point, make portable plate slide into suitable position along the first support; Control elevating mechanism lifting, elevating mechanism drives protection mechanism to rise or declines, until cutting means enclosure arrives suitable position, this suitable position refers to that the tube-launched part X-ray of X-ray can arrive X-ray receiver by cutting means enclosure, and the X-ray being irradiated on cutting means enclosure is blocked; Patient is stood in and between portable plate and cutting means enclosure, carry out X-ray examination.
Further, also comprise controlling organization, controlling organization comprises the lifting regulator of controlling elevating mechanism motion and the control panel of controlling lifting regulator, and lifting regulator and control panel are all arranged on the second support.The lifting regulator control elevating mechanism action of controlling organization, control panel makes the staff can be easily by key control, realizes the accurate control of elevating mechanism.
Further, elevating mechanism comprises the motor of conveyer belt and control conveyer belt, and conveyer belt is vertically arranged on the second support, and curtain arm support is connected with conveyer belt, between lifting regulator and motor, is connected by photoelectrical coupler and relay.Elevating mechanism adopts the form of conveyer belt and motor, motor is easily controlled, operation is more simple, performance is more stable, and photoelectrical coupler is for the control signal of lifting regulator being converted to the signal of telecommunication of control relay work, the work of the on-off control motor of relay or stop.
Further, controlling organization comprises the first grating scale displacement transducer and the second grating scale displacement transducer, the first grating scale displacement transducer comprises the first scale grating and the first read head, and the first scale grating is arranged on the first support, and the first read head is arranged on portable plate; The second grating scale displacement transducer comprises the second scale grating and the second read head, and the second scale grating is arranged on the second support, and the second read head is arranged on curtain arm support; Lifting regulator is provided with input interface and output interface, and input interface is connected by the signal of telecommunication with the signal transmitting module of the first read head, and output interface is connected by the signal of telecommunication with the second read head.The first grating scale displacement transducer is for detection of the adjustable height of portable plate, the second grating scale displacement transducer is for detection of the adjustable height of protection mechanism, lifting regulator adopts existing single chip computer architecture, function is receive the displacement information of the first read head transmission and transmit control signal to motor, make the adjustable height of portable plate and protection mechanism identical, having the single chip computer architecture of controlling motor forward, overturn or stopping is prior art; This structure makes radioprotective preventer in the time regulating X-ray to irradiate height, the height that only need to regulate X-ray transmitting tube and portable plate, the height that protection mechanism can be identical with portable plate lifting under the effect of controlling organization, arrives suitable position, faster and more convenient operation, increases work efficiency.
Further, protection mechanism and elevating mechanism are two, and elevating mechanism is set up in parallel on the second support, and each protection mechanism is connected with an elevating mechanism respectively, between the cutting means enclosure of two protection mechanisms, is provided with transparent area.The tube-launched X-ray of X-ray arrives X-ray receiver by transparent area, according to the different parts checking, need to regulate the range of exposures of X-ray, control the size of transparent area, two protection mechanisms and two elevating mechanisms are set, can realize by controlling organization the independent lifting of cutting means enclosure, so that regulate the size of the transparent area between two cutting means enclosures, avoid unnecessary X-ray to be irradiated on patient's body, thereby reduce the impact of X-ray.
Further, controlling organization also comprises Digiplex, and Digiplex is connected by radio signal with lifting regulator.Realize the Remote of radioprotective preventer by Digiplex, by hand-hold wireless remote controller, the button of operation response function, realize lifting or fine setting to cutting means enclosure, reduce a staff and contact the probability of X-ray, while inspection, staff does not need the operation control panel of walking up and down simultaneously, simple and quick.
Further, top and the bottom of the second support are provided with limit switch, and limit switch is electrically connected with lifting controller.Limit switch is for limiting the highs and lows of protection mechanism, prevent that protection mechanism from exceeding this scope, can in limit switch, install the spacing module that can detect upper and lower boundary position and transmit limit signal additional, in cutting means enclosure lifting process, once approach or the position that is beyond the boundary, just can detect cutting means enclosure in lifting process and whether exceed top or least significant end, spacing module, to lifting regulator transmitted signal, quits work it simultaneously.
Further, the bottom of the second support is also provided with base, and the bottom of base is provided with universal wheel.The base bottom of the second support arranges universal wheel, just can promote back and forth the second support to suitable position, moves comparatively laborsaving.
Further, base is cylindric.Base is cylindric, there is no arris, avoids patient or staff's foot injured because encountering arris.
Compared with prior art, the invention has the beneficial effects as follows: radioprotective preventer provided by the invention in use, by the altitude mixture control of portable plate and cutting means enclosure, only some arrives X-ray receiver to make the tube-launched X-ray of X-ray, remaining X-ray is all stopped by cutting means enclosure, there will not be excessive X-ray to irradiate, avoid X-ray to irradiate the physiological function disorder causing; Simultaneously, this technology does not need patient to dress or cover wardrobe for lead protective clothes skirt, muffler, save the trouble of dressing preventer, only need to stand between portable plate and cutting means enclosure and can check, in checking process, can not be subject to the impact of preventer slippage etc., improve the work efficiency checking, and avoided because many people dress the cross infection that preventer causes.
Brief description of the drawings
The radioprotective preventer schematic diagram that Fig. 1 provides for the embodiment of the present invention 1;
Fig. 2 is the second support shaft mapping in Fig. 1;
Fig. 3 is the front view of Fig. 2;
The radioprotective preventer schematic diagram that Fig. 4 provides for the embodiment of the present invention 2;
Fig. 5 is the second support shaft mapping in Fig. 4;
Fig. 6 is the front view of Fig. 5;
Fig. 7 is the side view of Fig. 5;
Fig. 8 is the first grating scale displacement transducer schematic diagram in Fig. 4.
Detailed description of the invention
The radioprotective preventer schematic diagram that Fig. 1 provides for the embodiment of the present invention 1; Fig. 2 is the second support shaft mapping in Fig. 1; Fig. 3 is the front view of Fig. 2.As shown in Figure 1-Figure 3, the radioprotective preventer that the embodiment of the present invention 1 provides comprises supporting mechanism, protection mechanism and elevating mechanism, supporting mechanism comprises the first support 101 and the second support 102, on the first support 101, be provided with the portable plate 103 that can slide up and down along the first support 101, portable plate 103 is for installing X-ray receiver 104; Protection mechanism comprises curtain arm support 105 and cutting means enclosure 106, and cutting means enclosure 106 is rectangular slab, and the mid portion of cutting means enclosure 106 is provided with through hole 109, and X-ray arrives X-ray receiver 104 through through hole 109; Cutting means enclosure 106 is arranged on curtain arm support 105, and the X-ray that X-ray transmitting tube 107 is launched can arrive X-ray receiver 104 by cutting means enclosure 106; Elevating mechanism can drive protection mechanism to slide up and down along the second support 102, and elevating mechanism is arranged on the second support 102, and curtain arm support 105 is arranged on elevating mechanism.The sliding type of portable plate 103 on the first support 101 is varied, for example, can on the first support 101, chute be set, and on portable plate 103, slide block is set, and slide block embeds in chute and can slide up and down.
The first support 101 is mainly used in the X-ray receiver 104 on movable support plate 103 and portable plate 103, and X-ray receiver 104 can be moved up and down along with portable plate 103, uses and check the different parts of human body so that be applicable to the people of different heights; The second support 102 is mainly used in supporting protection mechanism, elevating mechanism and controlling organization etc.; Curtain arm support 105 is for fixed protection curtain 106, and cutting means enclosure 106 can stop X-ray, and the X-ray being irradiated on cutting means enclosure 106 is all blocked, and cannot move on, and can only make part X-ray arrive X-ray receiver 104, and X-ray is varied by the mode of cutting means enclosure 106; Elevating mechanism is mainly used in controlling the lifting of protection mechanism, due to people's height difference or the position difference checking, need suitably to regulate the height of X-ray transmitting tube 107 and X-ray receiver 104, therefore need to regulate the position of cutting means enclosure 106, make the X-ray that X-ray transmitting tube 107 is launched to arrive X-ray receiver 104 by cutting means enclosure 106, elevating mechanism can free lifting, makes protection mechanism can arrive suitable position and carries out X-ray irradiation.
The work process of radioprotective preventer: determine the height of X-ray transmitting tube 107 according to the difference of height or check point, make portable plate 103 slide into suitable position along the first support 101; Control elevating mechanism lifting, elevating mechanism drives protection mechanism to rise or declines, until cutting means enclosure 106 arrives suitable position, this suitable position refers to that the part X-ray that X-ray transmitting tube 107 is launched can arrive X-ray receiver 104 by cutting means enclosure 106, and the X-ray being irradiated on cutting means enclosure 106 is blocked; Patient is stood between portable plate 103 and cutting means enclosure 106 and carry out X-ray examination.
The radioprotective preventer that the present embodiment provides, by the altitude mixture control of portable plate 103 and cutting means enclosure 106, only some arrival X-ray receiver 104 of X-ray that X-ray transmitting tube 107 is launched, remaining X-ray is all stopped by cutting means enclosure 106, there will not be excessive X-ray to irradiate, avoid X-ray to irradiate the physiological function disorder causing; Simultaneously, this technology does not need patient to dress or cover wardrobe for lead protective clothes skirt, muffler, save the trouble of dressing preventer, only need to stand between portable plate 103 and cutting means enclosure 106 and can check, in checking process, can not be subject to the impact of preventer slippage etc., improve the work efficiency checking, and avoided because many people dress the cross infection that preventer causes.
The radioprotective preventer schematic diagram that Fig. 4 provides for the embodiment of the present invention 2; Fig. 5 is the second support shaft mapping in Fig. 4; Fig. 6 is the front view of Fig. 5; Fig. 7 is the side view of Fig. 5; Fig. 8 is the first grating scale displacement transducer schematic diagram in Fig. 4.As shown in Fig. 4-Fig. 8, the radioprotective preventer that the embodiment of the present invention 2 provides is compared with embodiment 1, improvement is: also comprise controlling organization, controlling organization comprises the lifting regulator of controlling elevating mechanism motion and the control panel 111 of controlling lifting regulator, and lifting regulator and control panel 111 are all arranged on the second support 102.The lifting regulator control elevating mechanism action of controlling organization, control panel 111 makes the staff can be easily by key control, realizes the accurate control of elevating mechanism.
As the preferred version of this embodiment, as shown in Figure 7, elevating mechanism comprises conveyer belt 112 and controls the motor 113 that conveyer belt 112 moves, conveyer belt 112 is vertically arranged on the second support 102, curtain arm support 105 is connected with conveyer belt 112, between lifting regulator and motor 113, is connected by photoelectrical coupler and relay.Elevating mechanism adopts the form of conveyer belt 112 and motor 113, motor 113 is easily controlled, operation is more simple, performance is more stable, photoelectrical coupler is for the control signal of lifting regulator being converted to the signal of telecommunication of control relay work, the work of the on-off control motor 113 of relay or stop.
As the preferred version of this embodiment, controlling organization comprises the first grating scale displacement transducer and the second grating scale displacement transducer, as shown in Figure 4, the first grating scale displacement transducer comprises the first scale grating 114 and the first read head 115, the first scale grating 114 is arranged on the first support 101, and the first read head 115 is arranged on portable plate 103; As shown in Figure 6, Figure 7, the second grating scale displacement transducer comprises that the second scale grating 116 and the second read head 117, the second scale gratings 116 are arranged on the second support 102, and the second read head 117 is arranged on curtain arm support 105; Lifting regulator is provided with input interface and output interface, and input interface is connected by the signal of telecommunication with the signal transmitting module of the first read head 115, and output interface is connected by the signal of telecommunication with the second read head 117.As shown in Figure 8, the first read head 115 comprises the light source 118, lens 119, indication grating 120, light-sensitive element 121 and the drive circuit 122 that are set up in parallel successively; The first grating scale displacement transducer carries out work according to the formation principle of the Moire fringe on physics, in simple terms, the first read head 115, by detecting Moire fringe number, reads grating scale, and then according to the effect of drive circuit 122, calculate displacement and the speed of grating scale.The structure of the second read head 117 is identical with the structure of the first read head 115.The first grating scale displacement transducer is for detection of the adjustable height of portable plate 103, the second grating scale displacement transducer is for detection of the adjustable height of protection mechanism, lifting regulator adopts existing single chip computer architecture, function is receive the displacement information that sends of the first read head 115 and transmit control signal to motor 113, make the adjustable height of portable plate 103 and protection mechanism identical, having the single chip computer architecture of controlling motor 113 forwards, overturn or stopping is prior art; This structure makes radioprotective preventer in the time regulating X-ray to irradiate height, only need to regulate the height of X-ray transmitting tube 107 and portable plate 103, protection mechanism can be identical with portable plate 103 liftings under the effect of controlling organization height, arrive suitable position, faster and more convenient operation, increases work efficiency.
As the preferred version of this embodiment, protection mechanism and elevating mechanism are two, and elevating mechanism is set up in parallel on the second support 102, and each protection mechanism is connected with an elevating mechanism respectively, between the cutting means enclosure 106 of two protection mechanisms, is provided with transparent area.Two driving-belts are vertically arranged side by side, all there is motor 113 below of each conveyer belt 112, curtain arm support 105 is separately positioned on conveyer belt 112, and two curtain arm supports 105 are mutually close, makes two cutting means enclosures 106 in same vertical plane and parallel with portable plate 103.The X-ray that X-ray transmitting tube 107 is launched arrives X-ray receiver 104 by transparent area, according to the different parts checking, need to regulate the range of exposures of X-ray, control the size of transparent area, two protection mechanisms and two elevating mechanisms are set, can realize by controlling organization the independent lifting of cutting means enclosure 106, so that regulate the size of the transparent area between two cutting means enclosures 106, avoid unnecessary X-ray to be irradiated on patient's body, thereby reduce the impact of X-ray.
As the preferred version of this embodiment, controlling organization also comprises Digiplex, and Digiplex is connected by radio signal with lifting regulator.Realize the Remote of radioprotective preventer by Digiplex, by hand-hold wireless remote controller, the button of operation response function, realize lifting or fine setting to cutting means enclosure 106, reduce a staff and contact the probability of X-ray, while inspection, staff does not need the operation control panel 111 of walking up and down simultaneously, simple and quick.
As the preferred version of this embodiment, as shown in Figure 7, the top of the second support 102 and bottom are provided with limit switch 124, and limit switch 124 is electrically connected with lifting regulator.Limit switch 124 is exactly the electric switch of the limit of sports record position in order to limit plant equipment, utilizing the collision of manufacturing machine moving component to make it lift one's head action realizes and connecting or segmentation control circuit, reach certain control object, conventionally, this class switch is used to position or the stroke of limit mechanical motion, make movable machinery according to certain position or stroke automatically stop, adverse movement, variable motion or back and forth movement etc. automatically; Limit switch 124 is for limiting the highs and lows of protection mechanism, prevent that protection mechanism from exceeding this scope, can in limit switch 124, install the spacing module that can detect upper and lower boundary position and transmit limit signal additional, in cutting means enclosure 106 lifting process, once approach or the position that is beyond the boundary, just can detect cutting means enclosure 106 in lifting process and whether exceed top or least significant end, spacing module, to lifting regulator transmitted signal, quits work it simultaneously.
As the preferred version of this embodiment, as shown in Figure 5, the bottom of the second support 102 is also provided with base 125, and the bottom of base 125 is provided with universal wheel.Base 125 bottoms of the second support 102 arrange universal wheel, just can promote back and forth the second support 102 to suitable position, move comparatively laborsaving.
As the preferred version of this embodiment, base 125 is cylindric.Base 125 is cylindric, there is no arris, avoids patient or staff's foot injured because encountering arris.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a radioprotective preventer, is characterized in that, comprising:
Supporting mechanism, described supporting mechanism comprises the first support and the second support, is provided with the portable plate that can slide up and down along described the first support on described the first support, described portable plate is used for installing X-ray receiver;
Protection mechanism, described protection mechanism comprises curtain arm support and cutting means enclosure, and described cutting means enclosure is arranged on described curtain arm support, and the tube-launched X-ray of X-ray can arrive described X-ray receiver by described cutting means enclosure;
The elevating mechanism that drives described protection mechanism to slide up and down along described the second support, described elevating mechanism is arranged on described the second support, and described curtain arm support is arranged on described elevating mechanism.
2. radioprotective preventer according to claim 1, it is characterized in that, also comprise controlling organization, described controlling organization comprises the lifting regulator of controlling described elevating mechanism motion and the control panel of controlling described lifting regulator, and described lifting regulator and described control panel are all arranged on described the second support.
3. radioprotective preventer according to claim 2, it is characterized in that, described elevating mechanism comprises conveyer belt and controls the motor of described conveyer belt, described conveyer belt is vertically arranged on described the second support, described curtain arm support is connected with described conveyer belt, between described lifting regulator and described motor, is connected by photoelectrical coupler and relay.
4. radioprotective preventer according to claim 3, it is characterized in that, described controlling organization comprises the first grating scale displacement transducer and the second grating scale displacement transducer, described the first grating scale displacement transducer comprises the first scale grating and the first read head, described the first scale grating is arranged on described the first support, and described the first read head is arranged on described portable plate; Described the second grating scale displacement transducer comprises the second scale grating and the second read head, and described the second scale grating is arranged on described the second support, and described the second read head is arranged on described curtain arm support; Described lifting regulator is provided with input interface and output interface, and described input interface is connected by the signal of telecommunication with the signal transmitting module of described the first read head, and described output interface is connected by the signal of telecommunication with described the second read head.
5. radioprotective preventer according to claim 1, it is characterized in that, described protection mechanism and described elevating mechanism are two, described elevating mechanism is set up in parallel on described the second support, each protection mechanism is connected with a described elevating mechanism respectively, between the cutting means enclosure of two described protection mechanisms, is provided with transparent area.
6. according to the radioprotective preventer described in claim 2-4 any one, it is characterized in that, described controlling organization also comprises Digiplex, and described Digiplex is connected by radio signal with described lifting regulator.
7. according to the radioprotective preventer described in claim 1-5 any one, it is characterized in that, top and the bottom of described the second support are provided with limit switch, and described limit switch is electrically connected with described lifting controller.
8. according to the radioprotective preventer described in claim 1-5 any one, it is characterized in that, the bottom of described the second support is also provided with base, and the bottom of described base is provided with universal wheel.
9. radioprotective preventer according to claim 8, is characterized in that, described base is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410437211.1A CN104173076A (en) | 2014-08-29 | 2014-08-29 | Radiation protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410437211.1A CN104173076A (en) | 2014-08-29 | 2014-08-29 | Radiation protection device |
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| Publication Number | Publication Date |
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| CN104173076A true CN104173076A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410437211.1A Pending CN104173076A (en) | 2014-08-29 | 2014-08-29 | Radiation protection device |
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| CN (1) | CN104173076A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496442A (en) * | 2016-01-25 | 2016-04-20 | 东莞市亨顺医疗设备有限公司 | Device for shielding parts not to be examined to prevent medical X-ray irradiation |
| CN105496443A (en) * | 2016-01-25 | 2016-04-20 | 东莞市亨顺医疗设备有限公司 | X-ray exposure preventive medical X-ray machine |
| CN106137239A (en) * | 2015-03-11 | 2016-11-23 | 杭州与盟医疗技术有限公司 | A kind of medicinal intelligent lead protection curtain system |
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Inventor after: Zhao Longyang Inventor after: Ou Minjian Inventor after: Yi Yuqiao Inventor before: Mo Taiping Inventor before: Liang Zhengwu Inventor before: Zhao Longyang Inventor before: Ou Minjian Inventor before: Yi Yuqiao Inventor before: Huang Qingjian |
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Effective date of registration: 20151211 Address after: The Guangxi Zhuang Autonomous Region Qixing District, Guilin city 541000 Building No. 12 room 1104, 1101 Road Applicant after: GUILIN FANGLING INFORMATION SCIENCE & TECHNOLOGY CO., LTD. Address before: The Guangxi Zhuang Autonomous Region Qixing District, Guilin city 541004 Road No. 12 building 8305, room 8307, 8306 Applicant before: GUILIN FOLIN INFORMATION TECHNOLOGY CO., LTD. |
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Application publication date: 20141203 |