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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0739160 (2015-06-15) |
등록번호 | US-10159498 (2018-12-25) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 854 |
An orthopedic device includes a femoral implant having a non-custom internal bone engagement surface. The femoral implant includes at least nine parameters adjusted preoperatively to correspond to a specific patient. The parameters can include patient-specific lengths, such as, for example, medial a
An orthopedic device includes a femoral implant having a non-custom internal bone engagement surface. The femoral implant includes at least nine parameters adjusted preoperatively to correspond to a specific patient. The parameters can include patient-specific lengths, such as, for example, medial and lateral condyle widths and notch height, and patient-specific medial and lateral angles.
1. An orthopedic device comprising: a femoral implant having a central plane and an internal bone engagement surface that includes an anterior planar surface, an anterior chamfer surface, a distal planar surface, a posterior chamfer surface, and a posterior planar surface, wherein the internal bone
1. An orthopedic device comprising: a femoral implant having a central plane and an internal bone engagement surface that includes an anterior planar surface, an anterior chamfer surface, a distal planar surface, a posterior chamfer surface, and a posterior planar surface, wherein the internal bone engagement surface is standardized so as to be independent of an anatomy of a specific patient's joint and is one of a series of predetermined size increments for the femoral implant, each of the series of predetermined size increments varying by a set distance from others, the femoral implant further including a medial condyle width, a lateral condyle width, a notch height located between the medial and lateral condyles and three medial angles and three lateral angles, each of the medial condyle width, the lateral condyle width, the notch height, the three medial angles and the three lateral angles are configured to be patient-specific based on an image of the specific patient's joint, wherein the medial condyle width, the lateral condyle width, the notch height, the three medial angles and the three lateral angles are designed using computer modeling to have a shape dependent upon an anatomy of the specific patient, and wherein one of the three medial angles is defined by: an angle between the central plane and a line connecting medial-most points on an anterior edge of the distal planar surface and on a posterior edge of the distal planar surface,an angle between the central plane and a line connecting medial-most points on a distal edge of the anterior chamfer surface and the anterior edge of the distal planar surface, oran angle between the central plane and a line connecting medial-most points on the distal edge of the anterior chamfer surface and a proximal edge of the anterior planar surface. 2. The orthopedic device of claim 1, further comprising a surgical kit including the femoral implant and a patient-specific alignment guide. 3. The orthopedic device of claim 2, wherein the surgical kit includes reusable instruments. 4. The orthopedic device of claim 2, wherein the surgical kit includes a drill guide and a cutting block. 5. The orthopedic device of claim 2, wherein the surgical kit includes a tracking tag. 6. The orthopedic device of claim 2, wherein the patient-specific alignment guide includes a removable tracking tag. 7. An orthopedic device comprising: a femoral implant having a central plane and an internal engagement surface that includes an anterior planar surface, an anterior chamfer surface, a distal planar surface, a posterior chamfer surface, and a posterior planar surface, wherein the internal bone engagement surface is standardized so as to be independent of an anatomy of a specific patient's joint and is one of a series of predetermined size increments for the femoral implant, each of the series of predetermined size increments varying by a set distance from others, the femoral implant further including three patient-specific lengths including a medial condyle width, a lateral condyle width, and a notch height located between the medial and lateral condyles, three patient specific medial angles and three patient-specific lateral angles, wherein each of the medial condyle width, the lateral condyle width, the notch height, the three medial angles and the three lateral angles are configured to be patient-specific based on an image of the specific patient's joint, wherein the medial condyle width, the lateral condyle width, the notch height, the three medial angles and the three lateral angles are designed using computer modeling to have a shape dependent upon an anatomy of the specific patient, and wherein one of the three lateral angles is defined by: an angle between the central plane and a line connecting lateral-most points on the anterior edge of the distal planar surface and on the posterior edge of the distal planar surface,an angle between the central plane and a line connecting lateral-most points on the distal edge of the anterior chamfer surface and the anterior edge of the distal planar surface, oran angle between the central plane and a line connecting lateral-most points on the distal edge of the anterior chamfer surface and the proximal edge of the anterior planar surface. 8. The orthopedic device of claim 7, further comprising a surgical kit including the femoral implant and a patient-specific alignment guide including a removable tracking tag. 9. The orthopedic device of claim 7, further comprising a disposable instrument kit including only disposable instruments. 10. The orthopedic device of claim 9, wherein the instrument kit includes disposable patient-specific alignment guides. 11. An orthopedic device, comprising: a semi-custom femoral implant having a central plane, and including a bone engagement surface that is standardized so as to be independent of an anatomy of a specific patient's joint and is one of a series of predetermined size increments for the femoral implant, each of the series of predetermined size increments varying by a set distance from others and an articulating surface,wherein the non-patient-specific bone engagement surface includes an anterior planar surface, an anterior chamfer surface, a distal planar surface, a posterior chamfer surface, and a posterior planar surface;the articulating surface includes a medial condyle and a lateral condyle separated by a notch, the notch being located along the central plane; andthe articulating surface includes plurality of patient-specific features configured to be patient-specific based on an image of the specific patient's joint and designed using computer modeling to have a shape dependent upon an anatomy of the specific patient including:a medial condyle width;a lateral condyle width;a notch height defined by a distance between the posterior planar surface and the most anterior point of the notch;a first medial angle defined by an angle between the central plane and a line connecting medial-most points on an anterior edge of the distal planar surface and on a posterior edge of the distal planar surface;a second medial angle defined by an angle between the central plane and a line connecting medial-most points on a distal edge of the anterior chamfer surface and the anterior edge of the distal planar surface;a third medial angle defined by an angle between the central plane and a line connecting medial-most points on the distal edge of the anterior chamfer surface and a proximal edge of the anterior planar surface;a first lateral angle defined by an angle between the central plane and a line connecting lateral-most points on the anterior edge of the distal planar surface and on the posterior edge of the distal planar surface;a second lateral angle defined by an angle between the central plane and a line connecting lateral-most points on the distal edge of the anterior chamfer surface and the anterior edge of the distal planar surface;a third lateral angle defined by an angle between the central plane and a line connecting lateral-most points on the distal edge of the anterior chamfer surface and the proximal edge of the anterior planar surface. 12. The orthopedic device of claim 11, further comprising a surgical kit including the femoral implant and a patient-specific alignment guide. 13. The orthopedic device of claim 12, wherein the surgical kit includes reusable instruments. 14. The orthopedic device of claim 12, wherein the surgical kit includes a drill guide and a cutting block. 15. The orthopedic device of claim 12, wherein the surgical kit includes a tracking tag. 16. The orthopedic device of claim 12, wherein the patient-specific alignment guide includes a removable tracking tag.
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