CN104352271A - Patella fixer - Google Patents
Patella fixer Download PDFInfo
- Publication number
- CN104352271A CN104352271A CN201410754058.5A CN201410754058A CN104352271A CN 104352271 A CN104352271 A CN 104352271A CN 201410754058 A CN201410754058 A CN 201410754058A CN 104352271 A CN104352271 A CN 104352271A
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- China
- Prior art keywords
- patella
- socket
- fixing device
- elastic leg
- patella fixing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
Abstract
The invention relates to the technical field of medical instruments, and particularly relates to a patella fixer. The patella fixer comprises a socket member and a plug member; the socket member comprises a socket base, fixing claws and slots, wherein the fixing claws and the slots are fixedly arranged at the two ends of the socket base; socket lock buckles are arranged on two inner sidewalls of the socket base; the plug member comprises a plug base, the fixing claws and plug lock buckles, wherein the fixing claws are fixedly arranged at the two ends of the plug base, and the plug lock buckles are arranged on outer sidewalls of elastic legs; the patella fixer also comprises a strutting mechanism which is convenient for the socket lock buckles and the plug lock buckle to be meshed with each other. The patella fixer provided by the invention is provided with the socket member and the plug member which can be buckled together, and the distance between the socket member and the plug member can be conveniently regulated by insertion and fixation of the socket member and the plug member, so the patella fixer can meet the needs of various different patients, and the fixation effect of the patella fixer on patella is farthest enhanced.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of patella fixing device.
Background technology
Patella is sesamoid bone maximum in human body, and be a kneed important component part, it conducts and strengthens the strength of quadriceps femoris, safeguards kneed stable.Patella fracture is more common damage, and Patella fracture is dealt with improperly and will be had a strong impact on knee joint function.
Usually patella claw is used clinically at present, mostly be integral structure, realize distortion adjustment, as Chinese patent (CN201001763Y) discloses a kind of butterfly-type patella claw by memorial alloy, middle part is pressure rings, in pressure rings bottom, there is multiple lower claw, but its overall size dimension is fixed, and cannot adjust, when treating fixing to the patella of different size, cannot well grab conjunction patella, thus occur hollow, good therapeutic purposes cannot be reached.In order to solve the problem that integral structure brings, market engenders split type patella claw structure, patella claw is divided into two pieces, be bolted, but the thickness of these patella claw is excessive, higher incisura is caused to tissue, or it is not fixing firm, or adjust more difficult, the scope of application is narrower, finally have impact on the fixing of patella.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve existing split type patella claw adjustment difficulty, narrow application range, finally have impact on the fixing problem of patella, the invention provides a kind of patella fixing device, this patella fixing device is provided with the female component and male component that can snap together, fixing by plugging together of female component and male component, distance between convenient adjustment female component and male component, the demand of multiple different patient can be met, add the fixed effect of patella fixing device to patella to the full extent.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of patella fixing device, comprises and can carry out the female component that engages and male component by release type,
Described female component comprises socket base, and described socket base one end is fixed with the fixed claw for fixing patella, and the other end is provided with the slot be convenient to male component and inserted, and two medial walls of described socket base are provided with socket buckle;
Described male component comprises Plug base, described Plug base one end is fixed with the fixed claw for fixing patella, the other end is extended with a pair elastic leg that can be received in described female component, described elastic leg outwards can deviate from and bends each other, and described elastic leg lateral wall is provided with the connector for being meshed with described socket buckle.
Particularly, described patella fixing device also comprises the spreading mechanism being convenient to described socket buckle and the engagement of described connector.
Particularly, described spreading mechanism is a gripper shoe, one end of gripper shoe is arranged between two elastic leg of nearly Plug base by axis of rotation, the other end both sides of gripper shoe are provided with the back-up block of the socket snap into engagement for making connector outside two elastic leg and socket base two medial wall.
As preferably, be equipped with one away from one end of Plug base inside described two elastic leg and be convenient to back-up block and be supported on wedged bottom notch inside two elastic leg.
As preferably, inside described two elastic leg, be positioned at described wedged bottom notch and have the bayonet socket being convenient to fixed support block.
As preferably, described socket buckle and connector are intermeshing zigzag buckle.
As preferably, between described female component and male component, be provided with upper and lower position-limit mechanism.
Particularly, the lug that described upper and lower position-limit mechanism can be used in conjunction with each other when being included in described socket buckle and the engagement of described connector and groove, described lug is arranged on two elastic leg lateral walls, and be positioned on the downside of described connector, described groove arranges two medial walls of socket base, and is positioned on the downside of socket buckle.
As preferably, between described female component and male component, be provided with front and back position-limit mechanism.
Particularly, described front and back position-limit mechanism is the boss be arranged on bottom slot, and the width of described boss fore-and-aft direction is less than or equal to the distance between described two elastic leg.
As preferably, a chute is provided with bottom described slot, described gripper shoe is provided with a clasp nail that can fasten with chute when gripper shoe is in the state of support two elastic leg, described clasp nail comprises the head of a nail and nail bar, described head of a nail diameter is slightly larger than the width of chute fore-and-aft direction, and described nail shank diameter is less than or equal to the width of chute fore-and-aft direction.
As preferably, described gripper shoe is provided with screwed hole.
As preferably, described patella fixing device is titanium alloy patella fixing device, memory alloy patellar holder or rustless steel holder.
The invention has the beneficial effects as follows: a kind of patella fixing device provided by the invention, this patella fixing device is provided with the female component and male component that can snap together, fixing by plugging together of female component and male component, distance between convenient adjustment female component and male component, the demand of multiple different patient can be met, add the fixed effect of patella fixing device to patella to the full extent; Meanwhile, adopt the mode of grafting to connect, reduce the thickness of patella fixing device, thus the incisura making it produce reduces; Adopt zigzag buckle, patella fixing device can be made to regulate in a wider context; By arranging screwed hole on the supporting plate, and screw, can when gripper shoe tilt by needs, directly by rotary screw, make screw to applying a downward power bottom slot, thus by gripper shoe jack-up, can easily gripper shoe be tilted, it is convenient to remove.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of patella fixing device of the present invention;
Fig. 2 is the structural representation of male component of the present invention;
Fig. 3 is the structural representation of female component of the present invention;
Fig. 4 is the front view of patella fixing device gripper shoe of the present invention when being in holding state;
Fig. 5 is the rearview of Fig. 4.
In figure: 1. female component, 2. male component, 3. fixed claw, 4. gripper shoe, 5. rotating shaft, 7. boss, 8. clasp nail, 9. screw, 11. socket base, 12. slots, 13. socket buckles, 14. chutes, 21. Plug bases, 22. elastic leg, 23. connectors, 24. wedged bottom notches, 25. bayonet sockets, 41. back-up blocks, 42. screwed holes, 61. lugs, 62. grooves, 81. heads of a nail, 82. nail bars.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
In the present invention with the grafting direction of female component 1 and male component 2 for left and right directions, be oriented below, with the direction perpendicular to left and right directions and above-below direction for fore-and-aft direction with fixed claw 3.
As shown in Figure 1, a kind of patella fixing device, comprises and can carry out the female component 1 that engages and male component 2 by release type,
Female component 1 comprises socket base 11, and socket base 11 one end is fixed with the fixed claw 3 for fixing patella, and the other end is provided with the slot 12 be convenient to male component 2 and inserted, and two medial walls of socket base 11 are provided with socket buckle 13;
Male component 2 comprises Plug base 21, Plug base 21 one end is fixed with the fixed claw 3 for fixing patella, the other end is extended with the elastic leg 22 that can be received in for a pair in female component 1, elastic leg 22 outwards can deviate from and bends each other, and elastic leg 22 lateral wall is provided with the connector 23 for being meshed with socket buckle 13.
In a kind of detailed description of the invention, patella fixing device also comprises the spreading mechanism being convenient to socket buckle 13 and connector 23 engagement.
In a kind of detailed description of the invention, as shown in Figure 1 and Figure 2, spreading mechanism can be a kind of gripper shoe 4, also can be other structure, one end of gripper shoe 4 is arranged between two elastic leg 22 of nearly Plug base 21 by rotating shaft 5 rotation, and the other end both sides of gripper shoe 4 are provided with the back-up block 41 for making the socket buckle 13 of the connector 23 outside two elastic leg 22 and socket base 11 liang of medial walls engage.
In a kind of detailed description of the invention, as shown in Figure 2, be equipped with one away from one end of Plug base 21 inside two elastic leg 22 to be convenient to back-up block 41 and to be supported on wedged bottom notch 24 inside two elastic leg 22.By wedged bottom notch 24 this set, make back-up block 41 drop on the notch of wedged bottom notch 24 when gripper shoe 4 is down detained, when firmly pressing gripper shoe 4, back-up block 41 moves downward along the wedged bottom of wedged bottom notch 24, is fastened between two elastic leg 22 to gripper shoe 4.Wedged bottom wherein also can be circular arc bottom, as long as gripper shoe 4 can be facilitated to drive back-up block 41 to support two elastic leg 22.
In a kind of detailed description of the invention, as shown in Figure 2, in order to enable patella fixing device do not come off in the process used, inside two elastic leg 22, being positioned at wedged bottom notch 24 and having the bayonet socket 25 being convenient to fixed support block 41.
In a kind of detailed description of the invention, conveniently adjust the distance between female component 1 and male component 2, to adapt to the patella of difformity size, as shown in Figure 1 to Figure 3, socket buckle 13 and connector 23 are intermeshing zigzag buckle.The shape of buckle is not limited to zigzag, can be the shape of any clamping that can be combined with each other, and can be square shaped teeth, round-arced tooth, lance tooth or some irregular profiles of tooth.
In a kind of detailed description of the invention, produce in the process used to prevent female component 1 and male component 2 and misplace up and down, between female component 1 and male component 2, be provided with upper and lower position-limit mechanism.
As shown in Figure 2 and Figure 3, upper and lower position-limit mechanism is included in the lug 61 and groove 62 that can be used in conjunction with each other when socket buckle 13 and connector 23 engage, lug 61 is arranged on two elastic leg 22 lateral walls, and be positioned on the downside of connector 23, groove 62 arranges two medial walls of socket base 11, and is positioned on the downside of socket buckle 13.The shape of groove 62 can diversification, can be dovetail groove, the groove 62 of also can be cross sectional shape be circular arc, triangle, square or other any shapes, as long as meet lug 61 and groove 62 can be used in conjunction with each other.
In a kind of detailed description of the invention, in order to make female component 1 and male component 2 plug in process and can locate rapidly, reducing operating time, between female component 1 and male component 2, being provided with front and back position-limit mechanism.
As shown in Figure 2 and Figure 3, front and back position-limit mechanism is the boss 7 be arranged on bottom slot 12, and the width of boss 7 fore-and-aft direction is less than or equal to the distance between two elastic leg 22.
In a kind of detailed description of the invention, in order to female component 1 and male component 2 being fixed further, as shown in Figure 2 and Figure 3, a chute 14 is provided with bottom slot 12, gripper shoe 4 is provided with a clasp nail 8 that can fasten with chute 14 when gripper shoe 4 is in the state of support two elastic leg 22, clasp nail 8 comprises the head of a nail 81 and nail bar 82, and the head of a nail 81 diameter is slightly larger than the width of chute 14 fore-and-aft direction, and nail bar 82 diameter is less than or equal to the width of chute 14 fore-and-aft direction.
In a kind of detailed description of the invention, in order to female component 1 and male component 2 being disassembled smoothly, and do not produce secondary damage to patella, gripper shoe 4 is provided with screwed hole 42.Can optionally be provided with gripper shoe 4 in screwed hole 42 from the screw 9 tilted between two elastic leg 22.
In a kind of detailed description of the invention, patella fixing device is titanium alloy patella fixing device, memory alloy patellar holder or rustless steel holder.
The using method of patella fixing device of the present invention is:
First female component 1 and male component 2 are plugged together in advance, fixed claw 3 pairs of patellas are made to form obvolvent and fix, then female component 1 and male component 2 are adjusted to suitable position, manually pull gripper shoe 45 to rotate around the shaft, back-up block 41 in gripper shoe 4 is made to fall in wedged bottom notch 24, under the effect of the pressure, back-up block 41 is along wedged bottom notch 24 slide downward, until back-up block 41 falls in bayonet socket 25, thus by the zigzag buckle of two elastic leg 22 and the zigzag snap into engagement of female component 1, as shown in Figure 4 and Figure 5.
When patella fixing device is pulled down by needs, only need screw 9 be installed by rotating screw 9, or directly rotate pre-buried screw 9, make screw 9 think lower motion, screw 9 to withstand on bottom slot 12 or on boss 7 time, a counteracting force can be had to gripper shoe 4, thus back-up block 41 is deviate from from bayonet socket 25, elastic leg 22 recovers original shape, thus conveniently female component 1 and male component 2 is separated, and patella fixing device takes off the most at last.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, must determine its technical scope according to right.
Claims (13)
1. a patella fixing device, is characterized in that: comprise and can carry out the female component (1) that engages and male component (2) by release type,
Described female component (1) comprises socket base (11), described socket base (11) one end is fixed with the fixed claw (3) for fixing patella, the other end is provided with the slot (12) be convenient to male component (2) and inserted, and two medial walls of described socket base (11) are provided with socket buckle (13);
Described male component (2) comprises Plug base (21), described Plug base (21) one end is fixed with the fixed claw (3) for fixing patella, the other end is extended with the elastic leg (22) that can be received in for a pair in described female component (1), described elastic leg (22) outwards can deviate from and bends each other, and described elastic leg (22) lateral wall is provided with the connector (23) for being meshed with described socket buckle (13).
2. patella fixing device according to claim 1, is characterized in that: described patella fixing device also comprises the spreading mechanism be convenient to described socket buckle (13) and described connector (23) and engaged.
3. patella fixing device according to claim 1, it is characterized in that: described spreading mechanism is a gripper shoe (4), one end of gripper shoe (4) is arranged between two elastic leg (22) of nearly Plug base (21) by rotating shaft (5) rotation, and the other end both sides of gripper shoe (4) are provided with the back-up block (41) for making the connector (23) in two elastic leg (22) outside engage with the socket buckle (13) of socket base (11) two medial wall.
4. patella fixing device according to claim 3, is characterized in that: be equipped with one away from one end of Plug base (21) inside described two elastic leg (22) and be convenient to the wedged bottom notch (24) that back-up block (41) is supported on two elastic leg (22) inner side.
5. patella fixing device according to claim 4, is characterized in that: described two elastic leg (22) inner side, be positioned at described wedged bottom notch (24) and have the bayonet socket (25) being convenient to fixed support block (41).
6. the patella fixing device according to any one of claim 1-5, is characterized in that: described socket buckle (13) and connector (23) are intermeshing zigzag buckle.
7. the patella fixing device according to any one of claim 1-5, is characterized in that: be provided with upper and lower position-limit mechanism between described female component (1) and male component (2).
8. patella fixing device according to claim 7, it is characterized in that: the lug (61) that can be used in conjunction with each other when described upper and lower position-limit mechanism is included in described socket buckle (13) and described connector (23) engagement and groove (62), described lug (61) is arranged on two elastic leg (22) lateral wall, and be positioned at described connector (23) downside, described groove (62) arranges two medial walls of socket base (11), and is positioned at socket buckle (13) downside.
9. the patella fixing device according to any one of claim 1-5, is characterized in that: be provided with front and back position-limit mechanism between described female component (1) and male component (2).
10. patella fixing device according to claim 9, it is characterized in that: described front and back position-limit mechanism is for being arranged on the boss (7) of slot (12) bottom, and the width of described boss (7) fore-and-aft direction is less than or equal to the distance between described two elastic leg (22).
11. patella fixing devices according to any one of claim 1-5, it is characterized in that: described slot (12) bottom is provided with a chute (14), described gripper shoe (4) is provided with a clasp nail (8) that can fasten with chute (14) when gripper shoe (4) is in the state of support two elastic leg (22), described clasp nail (8) comprises the head of a nail (81) and nail bar (82), the described head of a nail (81) diameter is slightly larger than the width of chute (14) fore-and-aft direction, described nail bar (82) diameter is less than or equal to the width of chute (14) fore-and-aft direction.
12. patella fixing devices according to any one of claim 1-5, is characterized in that: described gripper shoe (4) is provided with screwed hole (42).
13. patella fixing devices according to any one of claim 1-5, is characterized in that: described patella fixing device is titanium alloy patella fixing device, memory alloy patellar holder or rustless steel holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754058.5A CN104352271B (en) | 2014-12-10 | 2014-12-10 | Patella fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754058.5A CN104352271B (en) | 2014-12-10 | 2014-12-10 | Patella fixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104352271A true CN104352271A (en) | 2015-02-18 |
| CN104352271B CN104352271B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410754058.5A Active CN104352271B (en) | 2014-12-10 | 2014-12-10 | Patella fixer |
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| CN (1) | CN104352271B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105232128A (en) * | 2015-10-29 | 2016-01-13 | 陈志力 | Fixing device in patella |
| CN106073880A (en) * | 2016-06-17 | 2016-11-09 | 山东省交通医院 | Periprosthetic plate and fixed structure thereof |
| CN106137464A (en) * | 2016-07-21 | 2016-11-23 | 北京爱康宜诚医疗器材有限公司 | Long bone backbone's prosthese |
| CN106137465A (en) * | 2016-07-21 | 2016-11-23 | 北京爱康宜诚医疗器材有限公司 | Borrowed structure |
| CN106798590A (en) * | 2017-01-10 | 2017-06-06 | 上海凯利泰医疗科技股份有限公司 | Sternum fixer |
| CN108309419A (en) * | 2018-02-05 | 2018-07-24 | 沈影超 | A kind of patella claw that bundling type is anti-skidding |
| CN108577952A (en) * | 2018-02-26 | 2018-09-28 | 榆林市第二医院 | A kind of orthopedic fixation device external member |
| CN109938818A (en) * | 2019-01-11 | 2019-06-28 | 中国医学科学院北京协和医院 | Degradable magnesium alloy patella claw and preparation method thereof |
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| CN2085656U (en) * | 1991-04-08 | 1991-10-02 | 杨安礼 | Adjustable restitution device for fracture of patella |
| US6051007A (en) * | 1998-03-02 | 2000-04-18 | Corvascular, Inc. | Sternal closure device and instruments therefor |
| WO2005117726A2 (en) * | 2004-05-27 | 2005-12-15 | Mavrek Medical, L.L.C. | A surgical device for capturing, positioning and aligning portions of a horizontally severed human sternum |
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| CN202908828U (en) * | 2012-05-31 | 2013-05-01 | 邬江 | Adjustable patella fracture aggregator |
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| CN104107084A (en) * | 2014-07-30 | 2014-10-22 | 曹维 | Claw-shaped sternum fixator |
| CN204274614U (en) * | 2014-12-10 | 2015-04-22 | 常州华森医疗器械有限公司 | Patella fixing device |
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| CN2085656U (en) * | 1991-04-08 | 1991-10-02 | 杨安礼 | Adjustable restitution device for fracture of patella |
| US6051007A (en) * | 1998-03-02 | 2000-04-18 | Corvascular, Inc. | Sternal closure device and instruments therefor |
| WO2005117726A2 (en) * | 2004-05-27 | 2005-12-15 | Mavrek Medical, L.L.C. | A surgical device for capturing, positioning and aligning portions of a horizontally severed human sternum |
| US20090125073A1 (en) * | 2007-10-31 | 2009-05-14 | Walter Rehm | Method and apparatus for surgical clamping |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105232128A (en) * | 2015-10-29 | 2016-01-13 | 陈志力 | Fixing device in patella |
| CN106073880A (en) * | 2016-06-17 | 2016-11-09 | 山东省交通医院 | Periprosthetic plate and fixed structure thereof |
| CN106137464A (en) * | 2016-07-21 | 2016-11-23 | 北京爱康宜诚医疗器材有限公司 | Long bone backbone's prosthese |
| CN106137465A (en) * | 2016-07-21 | 2016-11-23 | 北京爱康宜诚医疗器材有限公司 | Borrowed structure |
| CN106798590A (en) * | 2017-01-10 | 2017-06-06 | 上海凯利泰医疗科技股份有限公司 | Sternum fixer |
| CN108309419A (en) * | 2018-02-05 | 2018-07-24 | 沈影超 | A kind of patella claw that bundling type is anti-skidding |
| CN108577952A (en) * | 2018-02-26 | 2018-09-28 | 榆林市第二医院 | A kind of orthopedic fixation device external member |
| CN109938818A (en) * | 2019-01-11 | 2019-06-28 | 中国医学科学院北京协和医院 | Degradable magnesium alloy patella claw and preparation method thereof |
| CN109938818B (en) * | 2019-01-11 | 2021-01-08 | 中国医学科学院北京协和医院 | Degradable magnesium alloy patella claw and preparation method thereof |
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|---|---|
| CN104352271B (en) | 2017-02-22 |
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Address after: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Patentee after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Patentee before: CHANGZHOU WASTON MEDICAL APPLIANCE Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 213000 No.5 Longxiang Road, Nanxiashu street, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Patentee before: Changzhou Huasen Medical Instrument Co.,Ltd. |