CN111743560A - Guiding device and medical equipment - Google Patents
Guiding device and medical equipment Download PDFInfo
- Publication number
- CN111743560A CN111743560A CN202010623737.4A CN202010623737A CN111743560A CN 111743560 A CN111743560 A CN 111743560A CN 202010623737 A CN202010623737 A CN 202010623737A CN 111743560 A CN111743560 A CN 111743560A
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- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 24
- 238000005096 rolling process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000002603 single-photon emission computed tomography Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4405—Constructional features of apparatus for radiation diagnosis the apparatus being movable or portable, e.g. handheld or mounted on a trolley
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
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- Animal Behavior & Ethology (AREA)
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- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention relates to the technical field of medical equipment, in particular to a guide device, which comprises: the device comprises a bottom plate (1), a guide plate (2), a mounting backup plate (3) and an adjusting part (4), wherein the guide plate (2) is movably arranged on the bottom plate (1), at least two guide bulges (21) are arranged on the guide plate (2), and all the guide bulges (21) are linearly arranged along the length direction of the guide plate (2); the mounting backup plate (3) is movably arranged on the guide plate (2) by being matched with the guide bulge (21); the adjusting part (4) is arranged on the bottom plate (1) and used for adjusting the position of the guide plate (2) relative to the bottom plate (1). According to the guide device provided by the invention, the adjusting part for adjusting the guide plate is arranged on the bottom plate, so that the large-scale medical equipment can be more accurately installed in place.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a guide device and medical equipment.
Background
At present, large medical equipment has the characteristics of large volume, single body weight and the like, such as SPECT/CT, CT and the like. During installation, two installation rails are generally constructed on the installation channel in advance, so that the equipment can move according to a preset route during in-place installation to ensure in-place installation. Because equipment will carry out long distance removal in the installing track, in order to guarantee the nimble removal of equipment, just require installing track and equipment cooperation department's clearance can not too little, and above-mentioned clearance will certainly let the precision of equipment fixing and positioning reduce, influence equipment use even.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a guide device and medical equipment, and aims to solve the problem that large medical equipment in the prior art is low in installation and positioning accuracy.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a guide device, including:
a base plate;
the guide plate is movably arranged on the bottom plate, at least two guide bulges are arranged on the guide plate, and all the guide bulges are linearly arranged along the length direction of the guide plate;
the mounting backup plate is movably arranged on the guide plate through being matched with the guide bulge; and
the adjusting part is arranged on the bottom plate and used for adjusting the position of the guide plate relative to the bottom plate.
In one embodiment, the adjusting part comprises a first adjusting part and a second adjusting part, the first adjusting part is arranged at two ends of the bottom plate along the length direction and close to one side of the guide plate and is used for adjusting the movement of the guide plate along the length direction of the guide plate; the second adjusting part is arranged at two ends of the bottom plate, which are close to one side of the guide plate, along the length direction, and is used for adjusting the movement of the guide plate along the width direction.
In one embodiment, the first adjusting portion includes two adjusting units, and the two adjusting units are oppositely disposed on the bottom plate at the outer side of the guide plate in the length direction thereof, so as to adjust the movement of the guide plate in the length direction thereof.
In one embodiment, the second adjusting portion includes four adjusting units, two of the four adjusting units are oppositely disposed on the bottom plate of the guide plate along the outer side of the guide plate in the length direction, and two of the adjusting units disposed on the same side of the bottom plate are oppositely disposed to adjust the movement of the guide plate along the width direction.
In one embodiment, the adjusting unit includes a fixed portion and a movable portion, the fixed portion is fixedly disposed on the bottom plate, and the movable portion is matched with the fixed portion to adjust the guide plate.
In one embodiment, a guide groove is formed on one side of the installation backup plate, which is matched with the guide plate, and the guide groove is movably matched with the guide protrusion to guide the guide plate to move along the length direction of the guide plate.
In one embodiment, the guide plate has a strip-shaped hole along its width direction for guiding the guide plate to move along its width direction.
In one embodiment, the inner wall of the strip-shaped hole is in a step shape, and a connecting piece penetrating through the bottom plate and the guide plate is arranged in the strip-shaped hole.
In one embodiment, the guide plate has a thickness greater than a minimum distance from the base plate on a side of the movable portion adjacent to the base plate.
The invention also provides a medical device comprising a guide device according to any one of the above.
(III) advantageous effects
Compared with the prior art, the technical scheme of the invention has the following beneficial effects: according to the guide device provided by the invention, the adjusting part for adjusting the guide plate is arranged on the bottom plate, so that the large-scale medical equipment can be more accurately installed in place;
by arranging the first adjusting part and the second adjusting part, the guide device can respectively carry out multi-direction and multi-angle adjustment on large-scale equipment to be installed along the length direction and the width direction of the guide plate, and is beneficial to effective in-place installation of the equipment;
the adjusting unit is provided with a locking piece between the fixed part and the movable part, and the adjusting unit is locked immediately after the equipment is adjusted, so that the guide plate is prevented from sliding on the bottom plate, and the positioning stability and reliability of the equipment are further enhanced;
the thickness of the guide plate is greater than the minimum distance between one side of the movable part close to the bottom plate and the bottom plate, and the front end of the movable part, which is contacted with the guide plate, is contacted with the middle position of the thickness of the guide plate to adjust the guide plate, so that the stress of the movable part on the guide plate can be more uniform, and the problem that the movable part slips off the guide plate when the movable part applies acting force on the guide plate is avoided;
the guide groove is formed in one side, matched with the guide plate, of the installation backup plate, the guide groove is in rolling/sliding fit with the guide protrusion, so that friction between the installation backup plate and the guide plate is reduced, the installation backup plate can flexibly slide on the guide plate, and position adjustment of large-scale equipment in the length direction of the guide plate is facilitated.
Drawings
FIG. 1 is a schematic structural view of a guide device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the guide apparatus shown in FIG. 1 with the backup plate and the guide plate separated;
fig. 3 is a schematic view of the guiding device shown in fig. 1 engaged with a frame below the device.
Wherein, 1-a bottom plate; 2-a guide plate; 3, mounting a backup plate; 4-an adjustment section; 5-a connector; 6-a frame;
21-a guide projection; 22-strip-shaped holes;
31-a guide groove; 32-mounting holes;
41-a first adjustment part; 42-a second adjustment; 43-a regulating unit; 44-a retaining member;
431-a fixing part; 432-active portion.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; "notched" means, unless otherwise stated, a shape other than a flat cross-section. The terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
Referring to fig. 1 to 2, the present invention provides a guide apparatus including: the device comprises a bottom plate 1, a guide plate 2, a mounting backup plate 3 and an adjusting part 4, wherein the guide plate 2 is movably arranged on the bottom plate 1, at least two guide bulges 21 are arranged on the guide plate 2, and all the guide bulges 21 are linearly arranged along the length direction of the guide plate 2; the installation backup plate 3 is movably arranged on the guide plate 2 by matching with the guide bulge 21; the adjusting portion 4 is provided on the base plate 1 to adjust the position of the guide plate 2 with respect to the base plate 1. The number of the guide projections 21 is 3-10, and the specific number can be flexibly selected according to actual conditions. In the present embodiment, the number of the guide projections 21 is 5.
According to the guide device provided by the invention, the adjusting part for adjusting the guide plate is arranged on the bottom plate, so that the large-scale medical equipment can be more accurately installed in place.
Further, referring to fig. 1 or fig. 2, the adjusting part 4 includes a first adjusting part 41 and a second adjusting part 42, the first adjusting part 41 is disposed at both ends of the bottom plate 1 along the length direction and near one side of the guide plate 2, for adjusting the movement of the guide plate 2 along the length direction thereof; the second adjusting portions 42 are provided at both ends of the bottom plate 1 in the length direction near one side of the guide plate 2 to adjust the movement of the guide plate 2 in the width direction thereof. By providing the first adjusting portion 41 and the second adjusting portion 42, the guiding device in the present embodiment can adjust the large-scale equipment to be installed along the length direction and the width direction of the guiding plate 2, respectively, which is beneficial to the installation of the equipment in place.
The first adjusting portion 41 includes two adjusting units 43, and the two adjusting units 43 are oppositely disposed on the bottom plate 1 at the outer side of the guide plate 2 along the length direction thereof for adjusting the movement of the guide plate 2 along the length direction thereof.
The second adjusting portion 42 includes four adjusting units 43, two adjusting units 43 are oppositely disposed on the bottom plate 1 of the guide plate 2 along the outer side of the length direction, and two adjusting units 43 disposed on the same side of the bottom plate 1 are oppositely disposed for adjusting the movement of the guide plate 2 along the width direction.
Specifically, referring to fig. 1 or 2, the adjusting unit 43 includes a fixed portion 431 and a movable portion 432, the fixed portion 431 is fixedly disposed on the base plate 1, and the movable portion 432 is matched with the fixed portion 431 to adjust the guide plate 2. In this embodiment, the fixing portions 431 are integrally provided at four corners of the base plate 1. The fixing portion 431 is formed in a nut shape, and a through hole is opened in the fixing portion 431 in a direction toward the guide plate 2, and a screw is provided inside the through hole. The movable portion 432 is a bolt, the bolt can move back and forth in the through hole by matching with the through hole in the fixing portion 431, the front end of the bolt is abutted to the side wall of the guide plate 2, and the position of the guide plate 2 is adjusted by moving the bolt in the through hole.
Further, a locking member 44 is disposed between the fixing portion 431 and the movable portion 432, and the locking member 44 is sleeved on the movable portion 432 to lock the movable portion 432. In this embodiment, the locking member 44 is a nut, and after the position of the guide plate 2 is adjusted by the movable portion 432 (bolt), the movable portion 432 is locked and fixed by the locking member 44 (nut) outside the movable portion 432 (bolt) to prevent the guide plate 2 from sliding on the bottom plate 1.
Further, the thickness of the guide plate 2 is larger than the minimum distance from the bottom plate 1 on the side of the movable portion 432 close to the bottom plate 1. Preferably, the front end of the movable portion 432 contacting the guide plate 2 contacts the middle position of the thickness of the guide plate 2 to adjust the guide plate 2, so that the stress applied to the guide plate 2 by the movable portion 432 is more uniform, and the movable portion 432 is ensured not to slip off the guide plate 2 when applying an acting force to the guide plate 2.
It should be understood that the specific structure and form of the adjusting unit 43 are not limited to the method of adjusting by a threaded connection manner mentioned in this embodiment, and other structures capable of achieving the function of adjusting the guide plate 2 may be applied to the solution of the present invention, for example, the guide plate 2 is adjusted by hydraulic pressure, air pressure, etc., which is not described herein again.
Further, as shown in fig. 2, a guide groove 31 is formed in one side of the installation backup plate 3, which is matched with the guide plate 2, and the guide groove 31 is movably matched with the guide protrusion 21 to guide the guide plate 2 to move along the length direction; the side of the installation backup plate 3 far away from the guide plate 2 is provided with an installation hole 32 for installing the guide device of the invention on a rack below large-scale medical equipment so as to guide the equipment installation. In this embodiment, the guide groove 31 is engaged with the guide protrusion 21 in a rolling manner, and the guide protrusion 21 may be a wheel or a rolling bearing, so that the friction coefficient (friction) during the movement of the guide groove can be reduced, and the rotation accuracy of the guide groove can be ensured.
Further, the guide groove 31 and the guide protrusion 21 may also be slidably engaged to guide the guide plate 2 to move along the length direction thereof. The guide groove 31 is opened through the mounting backup plate 3. The depth of the guide groove 31 is greater than the height of the guide projection 21. The guide groove 31 is in sliding contact with the guide plate 2, and the surface of the guide groove and the guide plate in contact needs to be subjected to surface finish treatment to reduce the friction force between the installation backup plate 3 and the guide plate 2, so that the installation backup plate 3 can flexibly slide on the guide plate 2, and the position of large-scale equipment in the length direction of the guide plate 2 can be conveniently adjusted.
In addition, in order to reduce the friction between the installation backup plate 3 and the guide plate 2 and enhance the flexible movement of the installation backup plate 3 on the guide plate 2, some lubricating liquid can be placed between the installation backup plate 3 and the guide plate 2, and then the effect of reducing the friction is achieved.
Meanwhile, in order to ensure the accuracy of adjustment in the length direction of the guide plate 2, the smaller the clearance between the guide projection 21 and the guide groove 31, the better, the surface contacting the guide projection needs to be surface-finished to reduce the friction force therebetween.
The position of the guide plate 2 in the longitudinal direction can be adjusted by means of gears in addition to the rolling/sliding fit of the guide grooves 31 with the guide protrusions 21.
Specifically, a guide groove 31 is formed in one side, matched with the guide plate 2, of the installation backup plate 3, and the inner side of the guide groove 31 in the length direction is toothed; two rows of gears which are meshed with each other are arranged on the guide plate 2 along the length direction of the guide plate, and the outer sides of the two rows of gears are meshed with the inner side of the guide groove 31; in the embodiment, each row can be provided with 3-5 gears, and the number of the gears can be flexibly arranged and adjusted according to actual needs. The adjustment of the installation backup plate 3 on the guide plate 2 in the length direction is realized through the mutual engagement between the gears and the guide grooves 31, and the adjustment precision is higher in the gear engagement mode than in the surface sliding mode, so that the adjustment is easier to control.
Further, as shown in fig. 2, a strip-shaped hole 22 is formed in the guide plate 2 along the width direction thereof for guiding the guide plate 2 to move along the width direction thereof. The inner wall of the strip-shaped hole 22 is in a step shape, and a connecting piece 5 penetrating through the bottom plate 1 and the guide plate 2 is arranged in the strip-shaped hole 22. In this embodiment, the connecting member 5 is a bolt, the guide plate 2 is fixed on the bottom plate 1 by the bolt, and the guide plate 2 is movable relative to the bottom plate 1, rather than the guide plate 2 being fixed and locked on the bottom plate 1 by the bolt.
Furthermore, a reinforcing rib is arranged on one side of the bottom plate 1 close to the ground. Through setting up the strengthening rib, strengthened bottom plate 1 to the support intensity of whole guider.
Referring to fig. 3, the invention also provides a medical device comprising a guide according to any one of the above. Specifically, the guide device is fixedly connected with the frame 6 below the large-scale equipment through the mounting hole 32 on the mounting backup plate 3.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A guide device, comprising:
a base plate (1);
the guide plate (2) is movably arranged on the bottom plate (1), at least two guide bulges (21) are arranged on the guide plate (2), and all the guide bulges (21) are linearly arranged along the length direction of the guide plate (2);
the mounting backup plate (3) is movably arranged on the guide plate (2) through being matched with the guide bulge (21); and
an adjustment portion (4), the adjustment portion (4) being provided on the base plate (1) for adjusting a position of the guide plate (2) relative to the base plate (1).
2. The guide device according to claim 1, wherein the regulating portion (4) comprises a first regulating portion (41) and a second regulating portion (42), the first regulating portion (41) is provided at both ends of the bottom plate (1) in the length direction and near one side of the guide plate (2) for regulating the movement of the guide plate (2) in the length direction thereof; the second adjusting parts (42) are arranged at two ends of the bottom plate (1) along the length direction and close to one side of the guide plate (2) and used for adjusting the movement of the guide plate (2) along the width direction.
3. The guide device according to claim 2, wherein the first regulating portion (41) includes two regulating units (43), and the two regulating units (43) are oppositely disposed on the base plate (1) outside the guide plate (2) in the longitudinal direction thereof for regulating the movement of the guide plate (2) in the longitudinal direction thereof.
4. The guide device according to claim 3, wherein the second regulating portion (42) includes four regulating units (43), the four regulating units (43) are oppositely disposed two by two on the bottom plate (1) at the outer side of the guide plate (2) in the length direction thereof, and the two regulating units (43) disposed at the same side of the bottom plate (1) are oppositely disposed for regulating the movement of the guide plate (2) in the width direction thereof.
5. Guide device according to claim 4, characterized in that the adjustment unit (43) comprises a fixed part (431) and a movable part (432), the fixed part (431) being fixedly arranged on the base plate (1), the movable part (432) cooperating with the fixed part (431) for adjusting the guide plate (2).
6. The guide device according to claim 1, wherein a guide groove (31) is formed on one side of the mounting backup plate (3) matched with the guide plate (2), and the guide groove (31) is movably matched with the guide protrusion (21) to guide the guide plate (2) to move along the length direction of the guide plate.
7. The guiding device according to claim 1, characterized in that the guiding plate (2) is provided with a strip-shaped hole (22) along its width direction for guiding the guiding plate (2) to move along its width direction.
8. The guiding device according to claim 7, characterized in that the inner wall of the strip-shaped hole (22) is stepped, and a connecting piece (5) penetrating through the bottom plate (1) and the guiding plate (2) is arranged in the strip-shaped hole (22).
9. Guide device according to claim 5, characterized in that the thickness of the guide plate (2) is greater than the minimum distance from the base plate (1) on the side of the movable part (432) close to the base plate (1).
10. A medical device comprising a guide as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010623737.4A CN111743560B (en) | 2020-06-30 | 2020-06-30 | Guiding device and medical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010623737.4A CN111743560B (en) | 2020-06-30 | 2020-06-30 | Guiding device and medical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111743560A true CN111743560A (en) | 2020-10-09 |
| CN111743560B CN111743560B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010623737.4A Active CN111743560B (en) | 2020-06-30 | 2020-06-30 | Guiding device and medical equipment |
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| Country | Link |
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| CN (1) | CN111743560B (en) |
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| CN104905811A (en) * | 2015-07-02 | 2015-09-16 | 武汉数字派特科技有限公司 | Aligning adjustment and separation apparatus of multimodal imaging system, and aligning method |
| TW201629449A (en) * | 2014-11-25 | 2016-08-16 | 鴻海精密工業股份有限公司 | Pressure test device |
| CN106236121A (en) * | 2016-08-30 | 2016-12-21 | 武汉数字派特科技有限公司 | The aligning regulating device of a kind of multi-mode imaging system and alignment control method thereof |
| CN107747445A (en) * | 2017-11-10 | 2018-03-02 | 李祖应 | Pulley adjusting means |
| CN207908771U (en) * | 2017-11-29 | 2018-09-25 | 合肥利弗莫尔仪器科技有限公司 | A kind of large-sized optical elements pitching automatic fine tuning device |
| CN208196314U (en) * | 2017-12-21 | 2018-12-07 | 浙江时代计量科技有限公司 | A kind of adjustment parallels |
| CN208973904U (en) * | 2018-05-30 | 2019-06-14 | 无锡祥生医疗科技股份有限公司 | Sliding block limiting device |
| CN111185748A (en) * | 2020-02-19 | 2020-05-22 | 聆创(上海)机电技术有限公司 | Direction adjusting mechanism |
| CN115218091A (en) * | 2021-04-20 | 2022-10-21 | 广东博智林机器人有限公司 | Angle adjusting device and construction equipment |
-
2020
- 2020-06-30 CN CN202010623737.4A patent/CN111743560B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201629449A (en) * | 2014-11-25 | 2016-08-16 | 鴻海精密工業股份有限公司 | Pressure test device |
| CN204627249U (en) * | 2015-03-23 | 2015-09-09 | 高代国 | Pulley adjusting device |
| CN104905811A (en) * | 2015-07-02 | 2015-09-16 | 武汉数字派特科技有限公司 | Aligning adjustment and separation apparatus of multimodal imaging system, and aligning method |
| CN106236121A (en) * | 2016-08-30 | 2016-12-21 | 武汉数字派特科技有限公司 | The aligning regulating device of a kind of multi-mode imaging system and alignment control method thereof |
| CN107747445A (en) * | 2017-11-10 | 2018-03-02 | 李祖应 | Pulley adjusting means |
| CN207908771U (en) * | 2017-11-29 | 2018-09-25 | 合肥利弗莫尔仪器科技有限公司 | A kind of large-sized optical elements pitching automatic fine tuning device |
| CN208196314U (en) * | 2017-12-21 | 2018-12-07 | 浙江时代计量科技有限公司 | A kind of adjustment parallels |
| CN208973904U (en) * | 2018-05-30 | 2019-06-14 | 无锡祥生医疗科技股份有限公司 | Sliding block limiting device |
| CN111185748A (en) * | 2020-02-19 | 2020-05-22 | 聆创(上海)机电技术有限公司 | Direction adjusting mechanism |
| CN115218091A (en) * | 2021-04-20 | 2022-10-21 | 广东博智林机器人有限公司 | Angle adjusting device and construction equipment |
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| Publication number | Publication date |
|---|---|
| CN111743560B (en) | 2024-05-28 |
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Address after: 610219 Chengdu Tianfu International Biological City, Chengdu, Sichuan Province (No. 618 Fenghuang Road, Shuangliu District) Patentee after: Chengdu Yongxin Medical Equipment Co.,Ltd. Country or region after: China Address before: 101100 17a, No. 17, huanke Middle Road, Jinqiao Science and technology industrial base, Zhongguancun Science and Technology Park, Tongzhou District, Beijing Patentee before: BEIJING NOVEL MEDICAL EQUIPMENT Ltd. Country or region before: China |
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