[특허]Patient specific instrumentation (PSI) for orthopedic surgery and systems and methods for using X-rays to produce same

Patient specific instrumentation (PSI) for orthopedic surgery and systems and methods for using X-rays to produce same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/15 A61B-017/17 G06F-019/00 A61B-034/10 A61B-017/56
출원번호	US-0496924 (2014-09-25)
등록번호	US-9924950 (2018-03-27)
발명자 / 주소	Couture, Pierre Nguyen, Trong Tin Neurohr, Anselm Jakob Mérette, Jean-Sébastien
출원인 / 주소	ZIMMER, INC.
대리인 / 주소	Norton Rose Fulbright
인용정보	피인용 횟수 : 0 인용 특허 : 77

초록 ▼

A method of creating a patient specific instrument (PSI) for use in knee replacement surgery is described which includes performing at least two X-ray scans of a bone, each of the X-ray scans being taken from different angular positions, generating a digital bone model of the bone based solely on the X-ray scans, planning the PSI based on the digital bone model, including determining locations for one or more anchor points on the PSI which are adapted to abut a surface of the bone, the determined locations of the anchor points being disposed on the PSI at locations corresponding to areas of expected high accuracy on the digital bone model generated by the X-ray scans. The areas of expected high accuracy include at least a peripheral bone contour in at least one of the angular position of the X-ray scans. A suite of such PSI instruments is also described.

대표청구항 ▼

1. A method of creating a patient specific instrument for use in knee replacement surgery, the method comprising: performing at least two two-dimensional X-ray scans of one or more bones, each of the two-dimensional X-ray scans being taken from different angular positions, the different angular positions being substantially perpendicular to each other;generating a digital bone model of said one or more bones based solely on the two-dimensional X-ray scans;planning the patient specific instrument based on the digital bone model, including determining locations for one or more anchor points on the patient specific instrument which are adapted to abut a surface of said one or more bones, the determined locations of the one or more anchor points being disposed on the patient specific instrument corresponding to areas of expected high accuracy on the digital bone model generated by the two-dimensional X-ray scans, said areas of expected high accuracy including at least a peripheral bone contour in at least one of said angular positions; andproducing the patient specific instrument having said one or more anchor points thereon. 2. The method of claim 1, further comprising defining the areas of expected high accuracy to include at least a peripheral bone contour in at least one of the angular positions of the two-dimensional X-ray scans. 3. The method of claim 1, wherein the step of performing the at least two two-dimensional X-ray scans further comprises taking a first one of the two-dimensional X-ray scans from a frontal position and taking a second one of the two-dimensional X-rays scan from a medical or lateral position. 4. The method of claim 1, further comprising increasing the accuracy of the digital bone model by performing more than two two-dimensional X-rays scans, each from a different angular position. 5. The method of claim 1, further comprising using a computer assisted surgery system to perform the steps of generating the digital bone model and planning the patient specific instrument. 6. The method of claim 1, further comprising producing the patient specific instrument using an additive manufacturing process. 7. The method of claim 1, wherein the step of planning the patient specific instrument further comprises selecting the patient specific instrument to be a patient specific pin guide adapted for aligning bone pins on at least one of a tibia and a femur, the bone pins being operable to mount a resection cutting guide block. 8. The method of claim 7, further comprising providing the patient specific pin guide with a bone abutting anchor element for each of said one or more anchor points. 9. The method of claim 1, wherein the digital bone model of the one or more bones is based on only two two-dimensional X-ray scans.

이 특허에 인용된 특허 (77)

Steines, Daniel; Zhuravlev, Alexey, Automated systems for manufacturing patient-specific orthopedic implants and instrumentation.
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Masini Michael A., Bone cutting guide and method to accommodate different-sized implants.
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Krause, Norman; Mendicino, Robert W.; Shimada, Kenji; Weiss, Lee E.; Kanade, Takeo, Computer-aided bone distraction.
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Krause, Norman; Mendicino, Robert W.; Shimada, Kenji; Weiss, Lee; Kanade, Takeo, Computer-aided bone distraction.
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Delp Scott L. (2728 Woodbine Evanston IL 60201) Loan J. Peter (3233 Harrison St. Evanston IL 60201) Robinson Craig B. (3307 N. Kenmore Ave. ; Apt. Garden-Front Chicago IL 60657) Wong Arthur Y. (8261/, Computer-assisted surgical system.
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Aram, Luke J.; Bugbee, William; Engh, Charles A.; Moskal, Joseph; Pagnano, Mark; Swank, Michael; Rose, Bryan; Lester, Mark B.; Roose, Jeffrey, Customized patient-specific bone cutting blocks.
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Hemmy David C. (Elm Grove WI) Baker Gregg S. (Lake Forest CA) Hafeli Paul B. (El Toro CA), Device for orienting appliances, prostheses, and instrumentation in medical procedures and methods of making same.
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Steines, Daniel; Timsari, Bijan; Tsougarakis, Konstantinos, Fusion of multiple imaging planes for isotropic imaging in MRI and quantitative image analysis using isotropic or near-isotropic imaging.
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Steines, Daniel; Timsari, Bijan; Tsougarakis, Konstantinos; Lang, Philipp, Fusion of multiple imaging planes for isotropic imaging in MRI and quantitative image analysis using isotropic or near-isotropic imaging.
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Tsougarakis, Konstantinos; Steines, Daniel; Timsari, Bijan, Fusion of multiple imaging planes for isotropic imaging in MRI and quantitative image analysis using isotropic or near-isotropic imaging.
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Philipp, Lang, Implant device and method for manufacture.
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Fitz, Wolfgang; Bojarski, Raymond; Lang, Philipp, Implants for altering wear patterns of articular surfaces.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel; Tsougarakis, Konstantinos; Vargas-Voracek, Rene, Joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel; Tsougarakis, Konstantinos; Vargas-Voracek, Rene, Joint arthroplasty devices and surgical tools.
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Lang, Philipp, Joint arthroplasty devices formed in situ.
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Lang, Philipp, Joint arthroplasty devices formed in situ.
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Bonutti, Peter M., Knee arthroplasty and preservation of the quadriceps mechanism.
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Bonutti, Peter M., Knee arthroplasty method.
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Swaelens Bart,BEX ; Vancraen Wilfried,BEX, Method for making a perfected medical model on the basis of digital image information of a part of the body.
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Lang, Philipp; Steines, Daniel; Tsourgarakis, Konstantinos, Methods and compositions for articular repair.
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Lang, Philipp; Steines, Daniel; Tsourgarakis, Konstantinos, Methods and compositions for articular repair.
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Lang,Philipp; Steines,Daniel; Timsari,Bijan; Tsougarakis,Konstantinos, Methods and compositions for articular repair.
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Tsougarakis, Konstantinos; Steines, Daniel; Vissa, Bhaskar Rao; Lang, Philipp; Linder, Barry J., Methods for determining meniscal size and shape and for devising treatment.
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Tsougarakis, Konstantinos; Steines, Daniel; Vissa, Bhaskar Rao; Lang, Philipp; Linder, Barry J., Methods for determining meniscal size and shape and for devising treatment.
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Tsougarakis, Konstantinos; Steines, Daniel; Vissa, Bhaskar Rao; Lang, Philipp; Linder, Barry J., Methods for determining meniscal size and shape and for devising treatment.
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Dossett, Robert Alan; Dossett, Harold Gene, Methods for facilitating individualized kinematically aligned total knee replacements and devices thereof.
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Lang, Philipp; Steines, Daniel; Bouadi, Hacene; Miller, David; Linder, Barry J.; Snyder, Cecily Anne, Minimally invasive joint implant with 3-dimensional geometry matching the articular surfaces.
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Chiang,Tung Lung, Paper cutter.
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Bojarski, Raymond A.; Fitz, Wolfgang; Chao, Nam T., Patient selectable joint arthroplasty devices and surgical tools.
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Bojarski, Raymond; Fitz, Wolfgang; Lang, Philipp, Patient selectable joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Bojarski, Raymond A.; Steines, Daniel, Patient selectable joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Bojarski, Raymond A.; Steines, Daniel, Patient selectable joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Bojarski, Raymond A.; Steines, Daniel, Patient selectable joint arthroplasty devices and surgical tools.
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Fitz, Wolfgang; Lang, Philipp; Bojarski, Raymond A.; Steines, Daniel, Patient selectable joint arthroplasty devices and surgical tools.
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Lang, Philipp; Fitz, Wolfgang; Bojarski, Raymond A.; Steines, Daniel; Burdulis, Jr., Albert G.; Vargas-Voracek, Rene, Patient selectable joint arthroplasty devices and surgical tools.
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Berez, Aaron; Fitz, Wolfgang; Lang, Philipp; Steines, Daniel; Tsougarakis, Konstantinos; Vargas Voracek, Rene; Snyder, Cecily Anne, Patient selectable joint arthroplasty devices and surgical tools facilitating increased accuracy, speed and simplicity in performing total and partial joint arthroplasty.
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Wong, Terrance; Bojarski, Raymond A.; Steines, Daniel; Lang, Philipp, Patient selectable joint arthroplasty devices and surgical tools incorporating anatomical relief.
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Fitz, Wolfgang; Lang, Philipp; Steines, Daniel; Tsougarakis, Konstantinos; Vargas-Voracek, Rene; Bouadi, Hacene; Snyder, Cecily Anne, Patient selectable knee arthroplasty devices.
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Meridew, Jason D.; Metzger, Robert, Patient specific acetabular guide and method.
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Stone, Kevin T.; Metzger, Robert, Patient specific high tibia osteotomy.
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Bojarski, Raymond A.; Chao, Nam; Slamin, John; Lang, Philipp; Fitz, Wolfgang; Steines, Daniel, Patient-adapted and improved orthopedic implants, designs and related tools.
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Lang, Philipp; Fitz, Wolfgang; Bojarski, Raymond A.; Steines, Daniel; Burdulis, Jr., Albert G.; Vargas-Voracek, Rene, Surgical tools for arthroplasty.
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Pavlovskaia, Elena; Mishin, Oleg; Shpungin, Boris E., System and method for image segmentation in generating computer models of a joint to undergo arthroplasty.
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Roose, Jeffrey Robert, System and method of designing and manufacturing customized instrumentation for accurate implantation of prosthesis by utilizing computed tomography data.
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Matsuno Shigeo,JPX ; Collazo Carlos Esteban ; Axelson ; Jr. Stuart L. ; Gertner Michael Eric, Tibial plateau resection guide.
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Matsuno Shigeo,JPX ITX 064 ; Collazo Carlos Esteban ; Axelson ; Jr. Stuart L. ; Gertner Michael Eric, Tibial plateau resection guide.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Patient specific instrumentation (PSI) for orthopedic surgery and systems and methods for using X-rays to produce same 원문보기

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Patient specific instrumentation (PSI) for orthopedic surgery and systems and methods for using X-rays to produce same 원문보기

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연구과제 타임라인

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