Source: http://www.google.ca/patents/US8353914
Timestamp: 2018-01-24 00:17:14
Document Index: 720069210

Matched Legal Cases: ['Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60']

Patent US8353914 - Methods and apparatus for improved profile based resection - Google Patents
Alignment guides, cutting guides, cutting tools and soft tissue management techniques for profile based resection (PBR) arthroplasty facilitate intraoperative and postoperative efficacy and ease of use. In one embodiment, a manual alignment guide is provided that permits less invasive incisions by providing...http://www.google.ca/patents/US8353914?utm_source=gb-gplus-sharePatent US8353914 - Methods and apparatus for improved profile based resection
Publication number US8353914 B2
Application number US 11/825,857
Also published as US8287545, US8298238, US20060015115, US20060030855, US20060030944, US20060058882, US20090076514, US20090138018, US20160302933
Publication number 11825857, 825857, US 8353914 B2, US 8353914B2, US-B2-8353914, US8353914 B2, US8353914B2
Patent Citations (417), Non-Patent Citations (58), Classifications (13), Legal Events (3)
US 8353914 B2
1. A method of implanting an orthopedic prosthesis during knee arthroplasty surgery, comprising:
providing a femoral prosthesis having a fixation surface for facing a femur and an articulation surface adapted to articulate with a surface associated with a tibia;
positioning opposing guide patterns along opposing sides of a distal portion of the femur, the guide patterns possessing cutting tool guide surfaces geometrically corresponding to a geometry of the fixation surface of the femoral prosthesis;
manipulating the tibia through a range of motion about the femur while simultaneously actuating the cutting tool to cut the femur to form a resected surface for the femoral prosthesis; and
operably attaching the femoral prosthesis to the resected surface.
2. The method of claim 1, wherein the step of manipulating the tibia through a range of motion about the femur while simultaneously actuating the cutting tool includes preventing a cutting profile of the cutting tool from being exposed to soft tissue regions adjacent respective sides of the femur with a pair of soft tissue protective sleeves, each soft tissue protective sleeve surrounding the cutting tool proximate one of the soft tissue regions and biased to track along a contour of one of the sides of the femur.
3. The method of claim 1, wherein the step of actuating the cutting tool to cut the femur to form a resected surface for the femoral prosthesis is accomplished with a single pass of the cutting tool.
4. The method of claim 1, wherein the step of actuating the cutting tool to cut the femur to form a resected surface for the femoral prosthesis is accomplished with two passes of the cutting tool.
5. The method of claim 1, wherein the step of fixing the opposing guide patterns in position relative to the femur includes extending fixation features from the guide patterns into holes in the femur through an incision in soft tissue adjacent the femur.
6. The method of claim 5, wherein the step of fixing the opposing guide patterns in position relative to the femur includes fixing the opposing guide patterns such that only the fixation features extend through the incision.
7. A method for implanting an orthopedic prosthesis during knee arthroplasty surgery comprising:
positioning a medial guide pattern along a medial side of a distal portion of the femur, the guide pattern possessing cutting tool guide surfaces geometrically corresponding to a geometry of the fixation surface of the femoral prosthesis;
fixing the medial guide pattern in position relative to the femur;
8. The method of claim 7, wherein the step of manipulating the tibia through a range of motion about the femur while simultaneously actuating the cutting tool includes preventing a cutting profile of the cutting tool from being exposed to soft tissue regions adjacent respective sides of the femur with a pair of soft tissue protective sleeves, each soft tissue protective sleeve surrounding the cutting tool proximate one of the soft tissue regions and biased to track along a contour of one of the sides of the femur.
9. The method of claim 7, wherein the step of actuating the cutting tool to cut the femur to form a resected surface for the femoral prosthesis is accomplished with a single pass of the cutting tool.
10. The method of claim 7, wherein the step of actuating the cutting tool to cut the femur to form a resected surface for the femoral prosthesis is accomplished with two passes of the cutting tool.
11. The method of claim 7, wherein the step of fixing the medial guide pattern in position relative to the femur includes extending fixation features from the guide pattern into holes in the femur through an incision in soft tissue adjacent the femur.
12. The method of claim 11, wherein the step of fixing the medial guide pattern in position relative to the femur includes fixing the guide pattern such that only the fixation features extend through the incision.
providing a femoral prosthesis having a fixation surface for facing a femur and an opposing articulation surface adapted to articulate with a surface associated with a tibia;
creating an incision in soft tissue adjacent to a distal portion of the femur;
positioning a guide pattern adjacent to the incision, the guide pattern possessing cutting tool guide surface geometrically corresponding to a geometry of the fixation surface of the femoral prosthesis;
fixing the guide pattern in position relative to the femur;
14. The method of claim 13, wherein the step of engaging the cutting tool with the cutting tool guide surfaces includes extending a soft tissue protective sleeve surrounding a portion of the cutting tool through the soft tissue and into contact with the femur.
15. The method of claim 14, wherein the step of manipulating the tibia through a range of motion about the femur while simultaneously actuating the cutting tool includes maintaining the soft tissue sleeve in contact with the femur.
16. The method of claim 13, wherein the step of actuating the cutting tool to cut the femur to form a resected surface for the femoral prosthesis is accomplished with a single pass of the cutting tool.
17. The method of claim 13, wherein the step of actuating the cutting tool to cut the femur to form a resected surface for the femoral prosthesis is accomplished with two passes of the cutting tool.
18. The method of claim 13, wherein the step of fixing the guide pattern in position relative to the femur includes extending fixation features from the guide pattern through the incision into holes in the femur.
19. The method of claim 18, wherein the step of fixing the guide pattern in position relative to the femur includes fixing the guide pattern such that only the fixation features extend through the incision.
The present invention is a divisional of U.S. application Ser. No. 11/075,553, filed Mar. 8, 2005, now abandoned, METHODS AND APPARATUS FOR IMPROVED PROFILE BASED RESECTION, which claims priority to U.S. Provisional Application No. 60/551,160, filed Mar. 8, 2004, entitled, “METHODS AND APPARATUS FOR IMPROVED PROFILE BASED RESECTION,” and U.S. Provisional Application No. 60/551,080, filed Mar. 8, 2004, entitled, “METHODS AND APPARATUS FOR PIVOTABLE GUIDE SURFACES FOR ARTHROPLASTY,” and U.S. Provisional Application No. 60/551,078, filed Mar. 8, 2004, entitled, “METHODS AND APPARATUS FOR MINIMALLY INVASIVE RESECTION,” and U.S. Provisional Application No. 60/551,096, filed Mar. 8, 2004, entitled, “METHODS AND APPARATUS FOR ENHANCED RETENTION OF PROSTHETIC IMPLANTS,” and U.S. Provisional Application No. 60/551,631, filed Mar. 8, 2004, entitled, “METHODS AND APPARATUS FOR CONFORMABLE PROSTHETIC IMPLANTS,” and U.S. Provisional Application No. 60/551,307, filed Mar. 8, 2004, entitled, “METHODS AND APPARATUS FOR IMPROVED CUTTING TOOLS FOR RESECTION,” and U.S. Provisional Application No. 60/551,262, filed Mar. 8, 2004, entitled, “METHODS AND APPARATUS FOR IMPROVED DRILLING AND MILLING TOOLS FOR RESECTION,” which is a divisional of U.S. patent application Ser. No. 11/036,584, filed Jan. 14, 2005 now U.S. Pat. No. 7,815,645, entitled, “METHODS AND APPARATUS FOR PINPLASTY BONE RESECTION,” which is a divisional of U.S. patent application Ser. No. 11/049,634, filed Feb. 3, 2005 now abandoned, entitled, “METHODS AND APPARATUS FOR WIREPLASTY BONE RESECTION,” which claims priority to U.S. Provisional Application No. 60/536,320, filed Jan. 14, 2004, and U.S. patent application Ser. No. 11/049,634, filed Feb. 3, 2005 now abandoned, entitled, “METHODS AND APPARATUS FOR WIREPLASTY BONE RESECTION,” which claims priority to U.S. Provisional Application No. 60/540,992, filed Feb. 2, 2004, entitled, “METHODS AND APPARATUS FOR WIREPLASTY BONE RESECTION,” the entire disclosures of which are hereby fully incorporated by reference.
FIGS. 5-168 show various depictions of embodiments and methods in accordance with alternate embodiments of the present invention.
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