IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0240990
(2008-09-29)
|
등록번호 |
US-8425523
(2013-04-23)
|
발명자
/ 주소 |
- Aram, Luke J.
- Cook, Laban
- Roose, Jeffrey R.
- Rose, Bryan
- Sokolov, Dimitri
- Smith, Matthew D.
- Rhodes, Matt
- Ashby, Alan
- Lester, Mark B.
|
출원인 / 주소 |
- DePuy Synthes Products, LLC
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
17 인용 특허 :
110 |
초록
A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.
대표청구항
▼
1. A customized patient-specific orthopaedic instrument, comprising: a customized patient-specific femoral cutting block that comprises:a body formed from a polymeric material and having a bone-facing surface, the bone-facing surface having a customized patient-specific negative contour that is shap
1. A customized patient-specific orthopaedic instrument, comprising: a customized patient-specific femoral cutting block that comprises:a body formed from a polymeric material and having a bone-facing surface, the bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a portion of an anterior side of a patient's femur,a cutting guide coupled to the body, the cutting guide being formed from a metallic material and having a first guide slot defined therein that is positioned to allow a surgeon to perform a distal cut on the patient's femur using the first guide slot,at least one tab extending posteriorly from the body, the at least one tab having a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a portion of the distal side of the patient's femur,a lip extending superiorly from an end of the at least one tab, the lip having a second guide slot aligned with the first guide slot, the second guide slot including a groove extending laterally across the bone-facing side of the lip, and a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a portion of the posterior side of the patient's femur,a plurality of anterior guide pin bushings coupled to the body, each of the anterior guide pin bushings being formed from a material different from the body and having a passageway defined therethrough sized to receive a corresponding guide pin, andwherein the groove of the second guide slot and the cutting guide define a transverse plane. 2. The customized patient-specific orthopaedic instrument of claim 1, wherein the customized patient-specific femoral cutting block comprises a first tab extending posteriorly from the body and a second tab extending posteriorly from the body, each of the first tab and the second tab having a customized patient-specific negative contour that is shaped to match a corresponding contour of a respective portion of the distal end of the patient's femur, and the first tab and the second tab defining an opening therebetween. 3. The customized patient-specific orthopaedic instrument of claim 2, wherein the customized patient-specific femoral cutting block comprises a first lip extending superiorly from an end of the first tab and a second lip extending superiorly from an end of the second tab, each of the first lip and the second lip having a customized patient-specific negative contour that is shaped to match a corresponding contour of a respective portion of the posterior side of the patient's femur. 4. The customized patient-specific orthopaedic instrument of claim 2, wherein the first tab extends posteriorly from the body a first distance and the second tab extends posteriorly form the body a second distance, the first and second distances being substantially different. 5. The customized patient-specific orthopaedic instrument of claim 2, wherein the body of the customized patient-specific femoral cutting block defines a vertical plane and the first tab and second tab extend obliquely from the body with respect to the vertical plane. 6. The customized patient-specific orthopaedic instrument of claim 1, wherein the cutting guide is overmolded to the body of the customized patient-specific femoral cutting block. 7. The customized patient-specific orthopaedic instrument of claim 1, wherein the body of the customized patient-specific femoral cutting block includes a plurality of passageways extending therethrough, each of the plurality of anterior guide pin bushings being received in a corresponding passageway of the plurality of passageways and positioned such that a bone-facing end of each anterior guide pin bushing is recessed with respect to the bone-facing surface of the body. 8. The customized patient-specific orthopaedic instrument of claim 7, wherein one of the plurality of passageways is oblique with respect to the other plurality of passageways. 9. The customized patient-specific orthopaedic instrument of claim 7, wherein each of the passageways of the body of the customized patient-specific femoral cutting block are counterbored on the bone-facing surface. 10. The customized patient-specific orthopaedic instrument of claim 1, wherein the customized patient-specific femoral cutting block comprises a distal guide pin bushing coupled to the at least one tab, the distal guide pin bushing being formed from a material different from the at least one tab and having a passageway defined therethrough sized to receive a corresponding guide pin. 11. The customized patient-specific orthopaedic instrument of claim 1, wherein the body of the customized patient-specific femoral cutting block comprises an opening defined therein, the opening extending superiorly from the cutting guide to a point on the body that is more superior than the superior-most point of each of the plurality of anterior guide pin bushings. 12. The customized patient-specific orthopaedic instrument of claim 1, wherein the customized patient-specific femoral cutting block comprises a post extending anteriorly from the body, the post including a passageway defined therein, the passageway extending through the post to the bone-facing surface of the body and being sized to receive a corresponding guide pin. 13. The customized patient-specific orthopaedic instrument of claim 1, wherein the body of the customized patient-specific femoral cutting block comprises an outer surface opposite the bone-facing surface, the outer surface including a recessed area. 14. The customized patient-specific orthopaedic instrument of claim 1, wherein the body includes an outer surface opposite the bone-facing surface, the outer surface having a recessed area sized to receive an end of a surgeon's finger, the recessed area corresponding to a location on the body at which pressure is to be applied to couple the customized patient-specific femoral cutting block to the patient's femur. 15. A customized patient-specific orthopaedic instrument, comprising: a customized patient-specific femoral cutting block that comprises:a body having a bone-facing surface, the bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a portion of an anterior side of a patient's femur,a cutting guide coupled to the body, the cutting guide being formed from a material different from the body and having a cutting guide slot defined therein, the cutting guide slot being positioned to allow a surgeon to perform a distal cut on the patient's femur using the cutting guide slot,a first tab extending posteriorly from the body a first distance, the first tab including a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a first portion of the distal side of the patient's femur,a first lip extending superiorly from an end of the first tab, the first lip having a first guide slot aligned with the cutting guide slot and a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a first portion of the posterior side of the patient's femur,a second tab extending posteriorly from the body a second distance substantially greater than the first distance, the second tab including a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a second portion of the distal side of the patient's femur different from the first portion,a second lip extending superiorly from an end of the second tab, the second lip having a second guide slot aligned with the cutting guide slot and the first guide slot and a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a second portion of the posterior side of the patient's femur, anda plurality of anterior guide pin bushings coupled to the body, each of the anterior guide pin bushings being formed from a material different from the body and having a passageway defined therethrough sized to receive a corresponding guide pin,wherein the first tab and the second tab are substantially coplanar with each other and define a U-shaped opening therebetween,wherein the cutting guide is formed from a metallic material and is overmolded to the body of the customized patient-specific femoral cutting block. 16. The customized patient-specific orthopaedic instrument of claim 15, wherein the body of the customized patient-specific femoral cutting block defines a vertical plane and the first tab and second tab extend obliquely from the body with respect to the vertical plane. 17. The customized patient-specific orthopaedic instrument of claim 15, wherein the body of the customized patient-specific femoral cutting block includes a plurality of passageways extending therethrough, each of the plurality of anterior guide pin bushings being received in a corresponding passageway of the plurality of passageways and positioned such that a bone-facing end of each anterior guide pin bushing is recessed with respect to the bone-facing surface of the body. 18. The customized patient-specific orthopaedic instrument of claim 17, wherein one of the plurality of passageways is oblique with respect to the other plurality of passageways. 19. The customized patient-specific orthopaedic instrument of claim 17, wherein each of the passageways of the body of the customized patient-specific femoral cutting block are counterbored on the bone-facing surface. 20. The customized patient-specific orthopaedic instrument of claim 15, wherein the customized patient-specific femoral cutting block comprises a distal guide pin bushing coupled to the at least one tab, the distal guide pin bushing being formed from a material different from the at least one tab and having a passageway defined therethrough sized to receive a corresponding guide pin. 21. The customized patient-specific orthopaedic instrument of claim 15, wherein the body of the customized patient-specific femoral cutting block comprises an opening defined therein, the opening extending superiorly from the cutting guide to a point on the body that is more superior than the superior-most point of each of the plurality of anterior guide pin bushings. 22. A customized patient-specific orthopaedic instrument, comprising: a customized patient-specific femoral cutting block that comprises:(i) a body having a cutting guide slot, the cutting guide slot being positioned to allow a surgeon to perform a distal cut on the patient's femur using the cutting guide slot, and a bone-facing surface, the bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a portion of an anterior side of a patient's femur,(ii) a first tab extending posteriorly from the body a first distance, the first tab including a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a first portion of the distal side of the patient's femur,(iii) a first lip extending superiorly from an end of the first tab, the first lip having a first guide slot aligned with the cutting guide slot and a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a first portion of the posterior side of the patient's femur,(iv) a second tab extending posteriorly from the body a second distance substantially greater than the first distance, the second tab including a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a second portion of the distal side of the patient's femur different from the first portion,(v) a second lip extending superiorly from an end of the second tab, the second lip having a second guide slot aligned with the cutting guide slot and the first guide slot and a bone-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a second portion of the posterior side of the patient's femur, and(vi) a post extending anteriorly from the body, the post including a passageway defined therein, the passageway extending through the post to the bone-facing surface of the body and being sized to receive a corresponding guide pin,wherein the first tab and the second tab are substantially coplanar with each other and define a U-shaped opening therebetween. 23. The customized patient-specific orthopaedic instrument of claim 15, wherein the body includes an outer surface opposite the bone-facing surface, the outer surface having a recessed area sized to receive an end of a surgeon's finger, the recessed area corresponding to a location on the body at which pressure is to be applied to couple the customized patient-specific femoral cutting block to the patient's femur.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.