CN103070739A - Artificial knee-joint thighbone - Google Patents
Artificial knee-joint thighbone Download PDFInfo
- Publication number
- CN103070739A CN103070739A CN2013100100734A CN201310010073A CN103070739A CN 103070739 A CN103070739 A CN 103070739A CN 2013100100734 A CN2013100100734 A CN 2013100100734A CN 201310010073 A CN201310010073 A CN 201310010073A CN 103070739 A CN103070739 A CN 103070739A
- Authority
- CN
- China
- Prior art keywords
- preartis
- thighbone
- artificial knee
- knee joint
- articular surface
- Prior art date
- 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.)
- Granted
Links
- 210000001694 thigh bone Anatomy 0.000 title claims abstract description 36
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 35
- 238000003780 insertion Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims abstract description 11
- 210000000689 upper leg Anatomy 0.000 claims description 43
- 210000004417 patella Anatomy 0.000 abstract description 11
- 210000003141 lower extremity Anatomy 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract 2
- 208000006820 Arthralgia Diseases 0.000 abstract 1
- 208000024765 knee pain Diseases 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005714 functional activity Effects 0.000 description 3
- 206010025482 malaise Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 210000002303 tibia Anatomy 0.000 description 3
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000010952 cobalt-chrome Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000013150 knee replacement Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 210000004285 patellofemoral joint Anatomy 0.000 description 1
- 210000003314 quadriceps muscle Anatomy 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 210000004233 talus Anatomy 0.000 description 1
- 238000011883 total knee arthroplasty Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Abstract
The invention relates to an artificial knee-joint thighbone which belongs to the technical field of prosthesis. The artificial knee-joint thighbone comprises a preartis, a first thighbone joint face, a second thighbone joint face and an insertion block. The first and second thighbone joint faces are parallely arranged on one side and connected with the preartis on the other side to form a gap structure. The insertion block is arranged between the preartis and the first and second thighbone joint faces. One end of the insertion block is located in the middle of the preartis while the other end of the insertion block is located in the middle of the first and second thighbone joint faces. The preartis is in a corrugate structure and comprises two wave crests and a pulley groove in the trough between the wave crests. A strength enhancing part is arranged inside the side face of the preartis. According to the invention, a concave design of the pulley groove is adopted for the preartis of the thighbone, so that the preartis is relatively thinner, and the osteotomy amount of the preartis is reduced to better meet the anatomical features of the thighbone and improve match of patella articular surface and match of force line of lower limbs of a human body. Meanwhile, the strength enhancing part is arranged between the pulley groove of the preartis and the thighbone interface of the human body to enhance the thickness of the pulley groove, so as to ensure the strength of the preartis. The shape and the structure of the artificial knee-joint thighbone are more suitable for patients, and the morbidity of anterior knee pain is reduced.
Description
Technical field
What the present invention relates to is the device in a kind of prosthese field, specifically a kind of artificial knee joint femur.
Background technology
The design form that has the multiclass artificial knee joint in the clinical treatment engineering field, domestic employed artificial knee joint prosthesis is take design abroad as main at present.Usually artificial knee joint prosthesis comprises the knee joint femur section that is fixed on femur amphi position section, and the shin section that is fixed on tibia peri position section.The slip moving part is formed with spherical or oval spherical convex slip all-moving surface in the rear portion of described knee joint femur central authorities, and the slip moving part is formed with spherical or oval spherical recess in the rear portion of tibia support central authorities.This convex slip all-moving surface and concavity slip all-moving surface are chimeric when knee crooked, and rotation when mobile of sliding in the wings can improve movable zone thus.The knee joint femur directly matches with patella or patellar prosthesis, finishes patella in the slippage on femoral prosthesis preartis surface.And the position that the knee joint femur directly matches with patella is its preartis; namely this preartis is fitted in the periphery of patella; therefore the quality of the three-dimensional geometric design of this preartis not only will directly affect the normal activity function of patella, and can affect the proper motion of whole artificial knee joint and the realization of mechanics function.
Structural design for artificial knee joint prosthesis, the 3 dimensional coil geometry design of femur preartis will be that compatriots implement total knee replacement (Total Knee Arthroplasty, one of hereinafter to be referred as " TKA ") key factor of success or not, its good and bad growth and combination that directly affects artificial knee joint femoral component and human femur under loading, good thigh osseous part design, the particularly design of its preartis can avoid causing that domestic patient produces the front pain of knee joint and waits TKA postoperative disease.The requirement of the high flexing functional activity of corresponding compatriots, the preartis coaster trench depth of import femoral prosthesis is not enough, has limited compatriots' Daqu (massive raw stater for alcholic liquor) and has bent activity, is not suitable for Chinese ethnic group.
Through the retrieval of prior art is found, Chinese patent literature CN102448405A, an open day 2012-5-9 has put down in writing a kind of artificial knee joint, and it comprises the femur that is attached to respectively the patient and femoral component and the tibial component of tibia.Femoral component comprises lateral condyle and the medial condyle that extends to the front portion from the rear portion of femoral component.The femur gap is arranged between lateral condyle and the medial condyle rear portion from femoral component and extends to the front portion.Lateral condyle is connected in the front portion of femoral component with medial condyle and forms patella tracking path or area supported, and area supported is positioned at the front end in gap and forms the anterior end in gap.But this technology does not have to solve the problem owing to patient's the few pain on motion that causes of front ankle bone cutting amount.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of artificial knee joint femur for high flexing functional activity object is provided, adopt the design of caving in of coaster ditch at the femur preartis, so that the relative attenuate of preartis, reduce the osteotomy amount of preartis, more meet the femur anatomical features, improve the coupling of facies articularis patellae coupling and the human body lower limbs line of force, simultaneously between the coaster ditch of preartis and human femur under loading interface, be provided with the thickness that the strength increase parts have increased the coaster ditch, and then the intensity of assurance preartis.So that its shape and structure are fit to the patient more, reduce the sickness rate of the front pain of knee joint.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of artificial knee joint femur for high flexing functional activity object comprises: preartis, first thigh bone articular surface, second largest thigh bone articular surface and insertion piece, wherein: first thigh bone articular surface is set up in parallel at homonymy with second largest thigh bone articular surface and all links to each other with the preartis that is arranged at opposite side and form interstitial structure, be equipped with the insertion piece between preartis and first, second Thigh bone articular surface, an end face that inserts piece is positioned at the middle part of preartis, and the other end is positioned at the middle part of first, second Thigh bone articular surface.
Described preartis is wave structure, comprising: two crests and be positioned at the coaster ditch of these two peak-to-peak troughs of ripple, preartis trailing flank inboard is provided with the cone structure for increasing intensity.
The structure of described strength increase parts is half taper structure, and the base diameter scope of this half taper structure is 16 ~ 24mm, and the distance value scope on top and preartis top is 1 ~ 10mm, and altitude range is 20 ~ 30mm.
Described strength increase component materials adopts the cobalt chrome molybdenum.
Described strength increase parts surface is processed and is adopted the fixing processing of biotype.
The depth value scope of caving in of described coaster ditch is 2-3mm.
Described strength increase parts are between coaster ditch and patient's femur interface.
The radius of curvature of described two crests is 700 ~ 3500, more preferably 800,900,1000,1100,1200 or 3500.
The radius of curvature of described coaster ditch is equal to mutually with the radius of curvature of two crests.
Beneficial effect
Two crests of preartis of the present invention and the profile of coaster ditch are according to the profile design of human femur under loading and its radius of curvature is arranged between 700 and 3500, and adopt the design of caving in of coaster ditch, be complementary with patella, so that patella comprises slippage and the flexing and the stretching that roll with the formation human body knee joint on the coaster at the femur preartis.The similar prosthese with other of the design of coaster ditch is herein compared, and has increased the degree of depth of coaster ditch; With reference to the plane that preartis rear and human femur under loading osteotomy surface are complementary, the relative attenuate of preartis of the present invention reduces the osteotomy amount of preartis, increases the efficient of quadriceps femoris, improves the mechanical property of patellofemoral joint.Coaster ditch design of the present invention reduces the stress of patella and coaster, fit tightly with the end of human femur under loading, more meet the femur anatomical features, improve the coupling of facies articularis patellae coupling and the human body lower limbs line of force, so that its shape and structure are fit to the patient more, cause that the patient produces the sickness rate that the front pain of knee joint waits TKA postoperative disease thereby can reduce.Simultaneously between the coaster ditch of preartis and human femur under loading interface, be provided with the thickness that the strength increase parts have increased the coaster ditch, and then the intensity of assurance preartis.
Description of drawings
Fig. 1 is structure chart of the present invention;
Wherein: a is angle 1 sketch map, and b is angle 2 sketch maps.
Fig. 2 is user mode figure of the present invention.
Fig. 3 is side view of the present invention;
Wherein: a is angle 1 sketch map, and b is angle 2 sketch maps.
Fig. 4 is top view of the present invention.
The specific embodiment
The below elaborates to embodiments of the invention, and present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
Shown in Fig. 1 a and Fig. 1 b, present embodiment comprises: preartis 1, first thigh bone articular surface 2, second largest thigh bone articular surface 3 and insertion piece 4, wherein: first thigh bone articular surface 2 be connected thigh bone articular surface 3 and be set up in parallel in a side and all be connected with the preartis 1 of opposite side, form U-shaped structure, be provided with between preartis 1 and first, second Thigh bone articular surface 2,3 and insert piece 4, one end face of this insertion piece 4 is positioned at the middle part of preartis 1, the other end is positioned at first, second Thigh bone articular surface 2,3 middle part, and the inboard of preartis 1 is provided with strength increase parts 5.
As shown in Figure 3, Figure 4, the structure of described strength increase parts 5 is half taper structure, the base diameter scope of this half taper structure is 16 ~ 24mm, the distance value scope on top and preartis top is 1 ~ 10mm, for designed arc-shaped appearance to reduce stress concentration, altitude range 20 ~ 30mm, above-mentioned three structural parameters are in actual applications according to different specification respective change.
The material of described strength increase parts 5 adopts cobalt chrome molybdenum or other ceramic material, and is consistent with the femoral prosthesis integral material.
The fixing processing of biotype, respectively applicable bone cement fixed fae body and biological fixation type prosthese are adopted in described strength increase parts 5 surface treatments.
Described preartis 1 is wave structure, and it comprises: the coaster ditch 7 of two crests 6 and the trough between these two crests 6.Distribution and patient's human body of the value of caving in of coaster ditch 7 are complementary, and scope is at 2-3mm.
As shown in Figure 2, described strength increase parts 5 are between coaster ditch 7 and patient's femur 8 interfaces.
The radius of curvature of described two crests 6 is 700 ~ 3500, is preferably 800,900,1000,1100,1200 or 3500.
The radius of curvature of described coaster ditch 7 is identical with the radius of curvature of two crests 6.
Be provided with interstitial structure 9 between described first thigh bone articular surface 2 and the second largest thigh bone articular surface 3.
During installation, with position, the limit section of present embodiment, and cut away with respect to the position of strength increase parts 5, then make this artificial knee joint femur clamp the end of femur 8 from fore-and-aft direction, and make and insert piece 4 and insert in the femurs 8, thereby stablize the stationary state of femur 8.
Described preartis 1 is fixed on the femur 8 by joint as required.
Insert piece 4 and can play two effects, a stability that increases present embodiment and patient's femur, the 2nd, increase the intensity between described preartis 1 and first thigh bone articular surface 2, the second largest thigh bone articular surface 3, prevent that present embodiment in use is out of shape.
Present embodiment is formed by the organisms such as titanium alloy and cobalt-chromium alloy safe metal or the potteries such as aluminium oxide and zirconium oxide.
Compare external product, the design's preartis 1 is provided with corresponding coaster ditch 7 to caving in, the stress of patella and coaster ditch 7 when minimizing is gone down on one's knees, fit tightly with the end of patient's femur 8, cause that domestic patient produces the sickness rate that the front pain of knee joint waits the postoperative disease of TKA total knee replacement thereby can reduce.
Claims (10)
1. artificial knee joint femur, it is characterized in that, comprise: preartis, first thigh bone articular surface, second largest thigh bone articular surface and insertion piece, wherein: first thigh bone articular surface be connected the thigh bone articular surface and be set up in parallel in a side and all be connected with the preartis of opposite side, form interstitial structure, preartis and first, be provided with the insertion piece between the second largest thigh bone articular surface, one end face of this insertion piece is positioned at the middle part of preartis, the other end is positioned at first, the middle part of second largest thigh bone articular surface, preartis is wave structure, comprise: two crests and be positioned at the coaster ditch of these two peak-to-peak troughs of ripple, preartis trailing flank inboard is provided with the strength increase parts.
2. artificial knee joint femur according to claim 1, it is characterized in that the structure of described strength increase parts is half taper structure, the base diameter scope of this half taper structure is 16 ~ 24mm, the distance value scope on top and preartis top is 1 ~ 10mm, and altitude range is 20 ~ 30mm.
3. artificial knee joint femur according to claim 2 is characterized in that, described strength increase parts surface is processed and adopted the fixing processing of biotype.
4. artificial knee joint femur according to claim 2 is characterized in that, described strength increase parts are between coaster ditch and patient's femur interface.
5. artificial knee joint femur according to claim 1 is characterized in that, the depth value scope of caving in of described coaster ditch is 2-3mm.
6. artificial knee joint femur according to claim 1 is characterized in that, the radius of curvature of described two crests is 700 ~ 3500.
7. artificial knee joint femur according to claim 1 is characterized in that, the radius of curvature of described two crests is 800,900,1000,1100,1200 or 3500.
8. artificial knee joint femur according to claim 1 is characterized in that, the radius of curvature of described coaster ditch is 700 ~ 3500.
9. artificial knee joint femur according to claim 1 is characterized in that, the radius of curvature of described coaster ditch is 800,900,1000,1100,1200 or 3500.
10. artificial knee joint femur according to claim 1 is characterized in that, is provided with interstitial structure between described first thigh bone articular surface and the second largest thigh bone articular surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010073.4A CN103070739B (en) | 2013-01-10 | 2013-01-10 | Artificial knee-joint thighbone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010073.4A CN103070739B (en) | 2013-01-10 | 2013-01-10 | Artificial knee-joint thighbone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103070739A true CN103070739A (en) | 2013-05-01 |
| CN103070739B CN103070739B (en) | 2015-12-02 |
Family
ID=48147591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310010073.4A Active CN103070739B (en) | 2013-01-10 | 2013-01-10 | Artificial knee-joint thighbone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103070739B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799978A (en) * | 2015-05-22 | 2015-07-29 | 北京爱康宜诚医疗器材股份有限公司 | Femoral prosthesis |
| CN105213071A (en) * | 2015-10-21 | 2016-01-06 | 苏州锐进医疗科技有限公司 | A kind of bone conservative knee-joint prosthesis |
| CN107753156A (en) * | 2017-10-16 | 2018-03-06 | 刘方 | Patient-specific knee-joint prosthesis |
| CN110024752A (en) * | 2019-05-22 | 2019-07-19 | 吉林大学 | A kind of fixture for insect leg joint friction test |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090326665A1 (en) * | 2008-06-30 | 2009-12-31 | Wyss Joseph G | Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature |
| CN101708138A (en) * | 2009-02-12 | 2010-05-19 | 北京爱康宜诚医疗器材有限公司 | Artificial knee joint bone fusion prosthesis |
| CN102006839A (en) * | 2008-02-18 | 2011-04-06 | 麦克斯外科整形公司 | Total knee replacement prosthesis |
| CN102793594A (en) * | 2012-08-18 | 2012-11-28 | 深圳清华大学研究院 | Artificial knee joint |
| CN203059979U (en) * | 2013-01-10 | 2013-07-17 | 上海晟实医疗器械科技有限公司 | Artificial knee joint femur |
-
2013
- 2013-01-10 CN CN201310010073.4A patent/CN103070739B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006839A (en) * | 2008-02-18 | 2011-04-06 | 麦克斯外科整形公司 | Total knee replacement prosthesis |
| US20090326665A1 (en) * | 2008-06-30 | 2009-12-31 | Wyss Joseph G | Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature |
| CN101708138A (en) * | 2009-02-12 | 2010-05-19 | 北京爱康宜诚医疗器材有限公司 | Artificial knee joint bone fusion prosthesis |
| CN102793594A (en) * | 2012-08-18 | 2012-11-28 | 深圳清华大学研究院 | Artificial knee joint |
| CN203059979U (en) * | 2013-01-10 | 2013-07-17 | 上海晟实医疗器械科技有限公司 | Artificial knee joint femur |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799978A (en) * | 2015-05-22 | 2015-07-29 | 北京爱康宜诚医疗器材股份有限公司 | Femoral prosthesis |
| CN105213071A (en) * | 2015-10-21 | 2016-01-06 | 苏州锐进医疗科技有限公司 | A kind of bone conservative knee-joint prosthesis |
| CN107753156A (en) * | 2017-10-16 | 2018-03-06 | 刘方 | Patient-specific knee-joint prosthesis |
| CN110024752A (en) * | 2019-05-22 | 2019-07-19 | 吉林大学 | A kind of fixture for insect leg joint friction test |
| CN110024752B (en) * | 2019-05-22 | 2023-10-24 | 吉林大学 | Clamp for insect leg joint friction test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103070739B (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11369478B2 (en) | Orthopaedic knee prosthesis having controlled condylar curvature | |
| US10179051B2 (en) | Orthopaedic knee prosthesis having controlled condylar curvature | |
| KR101617896B1 (en) | Total knee replacement prosthesis | |
| EP1591082B1 (en) | An artificial knee joint | |
| US7938862B2 (en) | Artificial joint and a joint part intended for this purpose | |
| EP2512380B1 (en) | Implant for restoring normal range of flexion and kinematics of the knee | |
| US7922770B2 (en) | Total knee arthroplasty endoprosthesis with third condyle and rotating polyethylene insert | |
| EP2149354B1 (en) | Orthopaedic Prosthesis | |
| AU2012275457B2 (en) | Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature | |
| EP2241289B1 (en) | Bearing member including a flexion, for an artificial knee joint | |
| EP2967883B1 (en) | Prosthetic knee implant | |
| KR101704954B1 (en) | Femoral component for a femoral knee implant system | |
| CN103070739A (en) | Artificial knee-joint thighbone | |
| KR20210109584A (en) | Unicondylar femoral prosthesis, tibial pad and short condyle replacement prosthesis | |
| CN205885584U (en) | Anatomical form kneecap thigh joint prosthesis | |
| EP2719359A1 (en) | Prosthesis | |
| CN203059979U (en) | Artificial knee joint femur | |
| WO2016067115A2 (en) | Cartilage prosthetic implant | |
| CN201168074Y (en) | Customized artificial semi-knee joint | |
| CH702043B1 (en) | full knee prosthesis. | |
| CN202982313U (en) | Knee-joint prosthesis | |
| WO2013190573A1 (en) | Knee joint prosthesis | |
| CN212261618U (en) | Prosthesis outer bracket with mechanical strengthening function and distal femur prosthesis capable of being matched with prosthesis outer bracket | |
| CN211485102U (en) | Spherical shaft hinge type artificial knee joint prosthesis of rotary platform | |
| CN209347324U (en) | A kind of lateral femoral condyle prosthesis suitable for female patient |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201112 Room 102B, Building 2, No. 3576 Zhaolou Road, Minhang District, Shanghai Patentee after: Kuanyue Xinsheng Medical Technology (Shanghai) Co.,Ltd. Address before: Room 102 and 202, Building 2, No. 320 Xingda Road, Pujiang Town, Minhang District, Shanghai, 201112 Patentee before: THYTEC SHANGHAI Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240129 Address after: Room 926, 9th Floor, Building 4, No. 569 Huaxu Road, Xujing Town, Qingpu District, Shanghai, 201702 Patentee after: Kuanyue Medical Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 201112 Room 102B, Building 2, No. 3576 Zhaolou Road, Minhang District, Shanghai Patentee before: Kuanyue Xinsheng Medical Technology (Shanghai) Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |