Patient-specific surgical guidance tool and method of use

A guide, tool technology, applied in the field of intraoperative procedures of alignment and guide tools, can solve the problem of alignment that cannot be checked or adjusted

Active Publication Date: 2010-06-16
QUEENS UNIV OF KINGSTON
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  • Abstract
  • Description
  • Claims
  • Application Information

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However, a disadvantage of such templates is that the align

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  • Patient-specific surgical guidance tool and method of use
  • Patient-specific surgical guidance tool and method of use
  • Patient-specific surgical guidance tool and method of use

Examples

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Embodiment Construction

[0056] The following discussion presents an embodiment in which patient-specific guide tools and associated methods / procedures of composition and implementation are presented primarily in the context of hip resurfacing. However, it will be appreciated that the guide tool and associated methods / procedures may be implemented in a variety of bone and joint surgical applications. For example, the discussion below may find use in, but not limited to, ankle, knee, and shoulder surgery, spinal fusion, craniomaxillofacial surgery, osteotomy, fracture treatment and fixation, scoliosis, Applications of wrist surgery and autologous osteochondral grafting. Accordingly, the following description is intended as an illustration of illustrative embodiments and is not intended to be limiting to the description of the particular embodiment illustrated.

[0057] Unlike the prior art that incorporates intraoperative computer-aided methods for pin drilling guides, the embodiments discussed below ...

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Abstract

Presented is a preoperatively designed guidance tool for intraoperative use during bone or joint surgery wherein the guidance tool is specific to the anatomy of the patient being treated. The guidance tool comprises a body portion, a mating surface provided on the body portion for positioning the guidance tool on a corresponding registration surface of a patient's anatomy. The guidance tool further comprises at least one guide mechanism provided on the body portion for guiding a medical instrument at one or more preoperatively defined trajectories relative to a patient's anatomy. In the event of misalignment, the at least one guide mechanism is adjustable to alter the one or more preoperatively defined trajectories if necessary during intraoperative use. Also presented is a preoperative process for designing the guidance tool.

Description

[0001] related application [0002] This application claims the benefit of US Patent Provisional Application No. 60 / 917,713, filed May 14, 2007, which is hereby incorporated by reference. field of invention [0003] The present invention pertains to patient-specific alignment and guidance tools for surgical procedures and software related to the design of such tools. The invention also pertains to preoperative procedures using software to design patient-specific alignment and guidance tools. The invention also pertains to intraoperative procedures using patient-specific alignment and guidance tools during surgical procedures. Background technique [0004] Surgical procedures for bones and joints are well known in the art. In order to improve traditional surgical techniques, imaging technology and computers are increasingly being adopted and implemented by surgeons. A major driving force in developing such techniques is to reduce the overall invasiveness of the procedure w...

Claims

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Application Information

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IPC IPC(8): A61B17/56A61B17/15A61B17/17
CPCA61B17/15A61B17/1764A61B17/1757A61B17/175A61B17/14A61B2017/1782A61B2019/467A61B17/1604A61B17/148A61B2019/461A61B2017/568A61B2090/061A61B2090/067A61B17/142A61B17/1782B33Y80/00
Inventor M·昆兹J·F·鲁丹
Owner QUEENS UNIV OF KINGSTON
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