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1. 发明公开

US20240374393A1 Femoral Stem Design Method 审中-公开
公开(公告)号：US20240374393A1
公开(公告)日：2024-11-14
申请号：US18258381
申请日：2021-12-14
申请人： Corentec Co. Ltd.
发明人： Sang-Min Kim , Kwan-Kyu Park , Kee-Hyung Rhyu , Jeong-Joon Yoo , Seung-Jae Lim , Young-Wook Lim , Seung-Beom Han , Jung-Sung Kim , Tae-Jin Shin
IPC分类号： A61F2/38 , A61B34/10 , A61F2/30
CPC分类号： A61F2/3859 , A61F2/30942 , A61B2034/108
摘要： A femoral stem design method includes: a data collection step of collecting femur data from a plurality of patients; a measurement standard setting step of setting a standard for designing a femoral stem with respect to the femur data of the plurality of patients; a measurement step of measuring a predetermined part of a femur from the plurality of femur data; a dimension determination step of determining dimensions of each part of a plurality of implants to be inserted into the femur; and a shape determination step of determining shapes of the plurality of implants according to the dimensions of the plurality of implants, wherein the measurement standard setting step includes a boundary setting step of setting a boundary that distinguishes cortical bone and cancellous bone from the femur data of the plurality of patients, and an axis setting step of setting an axis extending from the proximal part to the distal part of the femur.

2. 发明授权

US11207198B2 Detachable knee trial 有权
公开(公告)号：US11207198B2
公开(公告)日：2021-12-28
申请号：US16494655
申请日：2018-03-19
申请人： CORENTEC CO., LTD.
发明人： Seung-Hun Oh , Chan-Eol Kim , Seok-Joo Kim , Oui-Sik Yoo
IPC分类号： A61F2/38 , A61F2/46
摘要： A knee trial which is coupled to identify the mobility of an implant before the implant is implanted by total knee arthroplasty, and more particularly, a detachable knee trial which includes a plate trial, an insert trial, and an adapter for easy attachment and detachment of the two trials, wherein the adapter includes an elastic member on one side thereof to firmly couple the two trials by pressing the plate trial and the insert trial with opposite ends of the elastic member and to alleviate the burdens of an operator and a patient by allowing the adapter to be attached and detached even only with a simple operation of pressing the adapter and compressing the elastic member by a hand and promptly and precisely performing an operation of selecting an implant of a suitable size while applying various trials in the total knee arthroplasty process and shortening surgery time, alleviating the burdens of a surgeon and a patient, and wherein one side of the adapter is formed of plastic, making it possible to couple the plate trial and the plate implant without leaving a flaw and the like in the plate trial and the plate implant.

3. 发明申请

US20210282791A1 Tibial Alignment Device and Unit Thereof 有权
公开(公告)号：US20210282791A1
公开(公告)日：2021-09-16
申请号：US17259394
申请日：2019-07-09
申请人： Corentec Co., Ltd.
发明人： Seung Hun Oh
IPC分类号： A61B17/16 , A61B17/17
摘要： A tibial alignment device includes an upper part for coupling with a tibial cutting guide and a lower part coupled to the upper part to be vertically slidable, wherein the upper part includes a cutting guide coupling part configured to mount the tibial cutting guide, and a connection part to connect the upper part and the lower part, and the lower part includes an ankle forceps part, wherein the cutting guide coupling part includes a fastening member for coupling to the tibial cutting guide, and a reception member to slidably receive the fastening member, wherein the fastening member includes a coupling part that protrudes to be coupled to the tibial cutting guide, the reception member includes a coupling part that protrudes to be coupled to the tibial cutting guide, and the coupling part of the fastening member is capable of adjusting a gap with respect to the coupling part of the reception member.

4. 发明授权

US10912574B2 Coupler assembly for tibial cutting guide 有权
公开(公告)号：US10912574B2
公开(公告)日：2021-02-09
申请号：US15576209
申请日：2017-03-28
申请人： CORENTEC CO., LTD.
发明人： Seok-Joo Kim , Oui-Sik Yoo , Chan-Eol Kim , Seung-Hun Oh
IPC分类号： A61B17/17 , A61B17/15 , A61B17/00
摘要： The present invention relates to a coupler assembly for a tibial cutting guide, the assembly including an aligning coupler having a first side coupled to an aligning member by sliding and a second side slid in an adaptor groove of the tibial cutting guide, and a handle slidably coupled to the aligning coupler. More particularly, the present invention relates to a coupler assembly for a tibial cutting guide, the assembly enabling an aligner and a cutting guide to be easily coupled and decoupled through an adaptor without specific operation because when the handle is slid to the cutting guide, the handle is fixed to the cutting guide, and the cutting guide and the adaptor are locked, and when the handle is slid in the opposite direction from the cutting guide, the handle is separated from the cutting guide, and the cutting guide and the adaptor are unlocked.

5. 发明授权

US10893946B2 Asymmetric artificial knee joint 有权
公开(公告)号：US10893946B2
公开(公告)日：2021-01-19
申请号：US15746291
申请日：2016-06-02
申请人： CORENTEC CO., LTD.
发明人： Doo-Hun Sun , Jung-Woo Seo , Oui-Sik Yoo
IPC分类号： A61F2/38 , A61F2/30
摘要： The present invention relates to an asymmetric artificial knee joint that includes a bearing member having a medial sulcus and a lateral sulcus, and a femoral component having a medial condyle and a lateral condyle and disposed on the bearing member.

6. 发明授权

US10660759B2 Set of surgical instruments for an artificial hip joint implant 有权
公开(公告)号：US10660759B2
公开(公告)日：2020-05-26
申请号：US15661738
申请日：2017-07-27
申请人： Corentec Co., LTD.
发明人： Peter F. Sharkey , Javad Parvizi
IPC分类号： A61F2/34 , A61F2/30 , A61F2/46 , A61B17/16 , A61B90/00 , A61B17/14 , A61B17/02 , A61B17/15 , A61B17/92 , A61F2/32 , A61B17/00 , A61B17/17
摘要： A set of surgical instruments for an artificial hip joint implant and, more specifically, a set of improved surgical instruments, can be used in direct anterior approach hip replacement surgery and are capable of minimizing damage, such as muscle damage, which may arise during surgery, by resolving problems that existing surgical instruments possess.

7. 发明授权

US10470888B2 Insert unit for artificial knee joint 有权
公开(公告)号：US10470888B2
公开(公告)日：2019-11-12
申请号：US15555044
申请日：2016-01-27
申请人： CORENTEC CO., LTD.
发明人： Doo-Hun Sun , Goon-Hee Lee , Oui-Sik Yoo , Jung-Woo Seo , Yeo-Kyung Kang
IPC分类号： A61F2/38 , A61F2/46 , A61F2/30
摘要： The present invention relates to an insert unit inserted during an artificial knee joint operation. An insert unit for an artificial knee joint according to an embodiment of the present invention includes a tibial member configured for coupling to the end of the tibia during an artificial knee joint operation, an insert configured for coupling to an upper side of the tibial member, and a locking rod coupling together the tibial member and the insert by penetrating through the tibial member and the insert, wherein the locking rod comprises a head portion formed at the upper end, and the head portion comprises a lip protruding outward to provide a constraint in relation to the insert during an articular movement such that the locking rod does not dig into the tibial member, to increase a coupling strength of the insert unit.

8. 发明授权

US10307259B2 Artificial knee joint capable of preventing dislocation of thighbone coupling member 有权
公开(公告)号：US10307259B2
公开(公告)日：2019-06-04
申请号：US15524168
申请日：2015-10-08
申请人： Corentec Co., Ltd.
发明人： Oui-Sik Yoo , Jung-Woo Seo , Jae-Won Kim , Goon-Hee Lee , Doo-Hum Sun , Yong-Sik Kim
IPC分类号： A61F2/38 , A61F2/30
摘要： An artificial knee joint, which includes an upper surface at which a post performs a motion relative to a cam of the thighbone coupling member, is configured such that a radius of curvature of an upper curved surface extending posteriorly from the upper surface is larger than that of a lower curved surface, so as to prevent the cam of the thighbone coupling member from deviating from an inflection point existing between the upper curved surface and the lower curved surface, and is configured such that the upper surface is inclined at a predetermined angle, so as to allow the thighbone coupling member to be restored while naturally descending along the upper surface even when the thighbone coupling member is dislocated, thereby increasing a jump distance without increasing an amount of bone to be cut.

9. 发明申请

US20190050540A1 JOINT EXAMINATION SYSTEM 审中-公开
公开(公告)号：US20190050540A1
公开(公告)日：2019-02-14
申请号：US15818189
申请日：2017-11-20
申请人： CORENTEC CO., LTD.
发明人： Oui-Sik Yoo , Jae-Hun Ro
IPC分类号： G06F19/00
摘要： A joint examination system includes an examination server transmitting request information for performing examination of a joint of a patient to a patient terminal, receiving execution information from the patient terminal in response to the request information, and storing and analyzing the execution information.

10. 发明授权

US09999455B2 Spine fixing apparatus 有权
公开(公告)号：US09999455B2
公开(公告)日：2018-06-19
申请号：US14916929
申请日：2015-07-09
申请人： CORENTEC CO., LTD.
发明人： Yun-Seob Eom
IPC分类号： A61B17/70 , A61B17/80
CPC分类号： A61B17/8033 , A61B17/7059 , A61B17/80 , A61B17/8042 , A61B17/808 , A61B17/809
摘要： A spine fixing apparatus including: a plate fixed to a spine; screws inserted into the spine by being coupled to the plate; a rotation member for rotary motion at a predetermined location between the screws; and sliding members provided at opposite sides of the rotation member and disposed between the rotation member and the screws. The rotation member can push the sliding members such that the sliding members rectilinearly move to cover upper surfaces of the screws. The spine fixing apparatus can facilitate the locking and unlocking of the screws by switching between lock and unlock modes, and can be firmly fixed to a spine. The plate has a window that enables an operator to identify a surgical region with naked eye. The window also allows the operator to easily bend the plate into a suitable shape for a patient's spine, and closely fix the plate to the spine.

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