An innovative tool for assessment of gait dysfunction in the clinical setting

用于评估临床环境中步态功能障碍的创新工具

• 批准号: 8965781
• 负责人: Brian Stewart Randall Armstrong
• 金额: $ 74.68万
• 依托单位: METRIA INNOVATION, INC.
• 依托单位国家: 美国
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-06-01 至 2018-05-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/8965781
• 关键词: 3-Dimensional; Activities of Daily Living; Address; Affect; Agreement; Cardiopulmonary; Clinic; Clinical; Complex; Computer software; Data; Databases; Degenerative polyarthritis; Dependence; Diagnostic; Engineering; Environment; Evaluation; Functional disorder; Gait; Goals; Healthcare; Human; Impairment; Intervention; Laboratory Research; Lead; Lighting; Marketing; Measurement; Methods; Moire Patterns; Motion; Movement; Neurologic; Observational Study; Optics; Orthopedics; Outcome; Pathology; Patients; Persons; Phase; Physical therapy; Protocols documentation; Rehabilitation therapy; Reporting; Resolution; Role; Small Business Innovation Research Grant; Sports Medicine; Staging; System; Technical Expertise; Technology; Training; Validity and Reliability; Video Recording; Walking; base; clinical practice; commercialization; cost; cost effective; design; disability; experience; gait examination; improved; innovation; instrument; kinematics; meetings; mortality; nervous system disorder; neuromuscular; novel; operation; public health relevance; rapid technique; research clinical testing; success; tool; treatment planning; two-dimensional

 DESCRIPTION (provided by applicant): The overall goal of this SBIR Phase II proposal is to develop and validate a fully commercialized instrumented gait analysis system and associated training and reporting tools. Gait dysfunction can dramatically affect a person's ability to perfor activities of daily living, and assessment of gait is a critical component of physical therapy practice. Currently, instrumented gait analysis is inaccessible to the vast majority of physical therapy clinics. Because of this, most clinicians depend on observational gait analysis, which has been shown to have inadequate reliability and validity. Further, two-dimensional gait analysis does not capture many critical three-dimensional (3-D) gait features. Clinical outcomes could be improved if three- dimensional gait deviations could be more objectively quantified in a typical clinic, but current 3-D systems are too space intensive, costly, and technically demanding. The Moiré-Phase Tracking (MPT) 3-D motion capture system is a novel single-camera 3-D motion tracking technology that fills the gap between clinical need and currently available 3-D systems. Through innovation in the use of moiré patterns generated by a lightweight, multi-layer passive optical target, the MPT technology is able to determine 3-D information with a single camera. The MPT system's single camera operation, automatic tracking of multiple targets and robustness to lighting conditions make it less technically demanding and overcomes the barriers for broad clinical use of instrumented gait analysis. Metria Innovation is developing the MPT-GAIT system for clinical deployment. The aims of this proposal are to 1) adapt a simple and reliable measurement protocol with automated registration assessment, 2) develop a clinically meaningful reporting tool that references against a normative database, 3) engineer robust hardware and software for clinical use that is economical and achieves a high level of ease-of-use, and 4) deploy clinically for system evaluation and refinement. The outcome of this project will be a commercialized instrumented gait analysis system that requires a minimum of dedicated space, is low cost, and has a very high level of ease of use.

 描述（由申请人提供）：该 SBIR 第二阶段提案的总体目标是开发和验证完全商业化的仪器化步态分析系统以及相关的培训和报告工具。步态功能障碍会极大地影响一个人进行日常生活活动的能力。步态评估是物理治疗实践的重要组成部分，目前，绝大多数物理治疗诊所无法进行仪器化步态分析，因此，大多数坚持者依赖于观察性步态分析。此外，二维步态分析无法捕获许多关键的三维 (3-D) 步态特征，如果能够更客观地量化三维步态偏差，则可以改善临床结果。莫尔相位跟踪 (MPT) 3-D 运动捕捉系统是一种新颖的单摄像头 3-D 运动跟踪技术。 MPT 技术填补了临床需求与当前可用 3D 系统之间的空白，通过使用由轻型多层无源光学目标生成的莫尔图案的创新，能够使用单个相机确定 3D 信息。 MPT 系统的单摄像头操作、自动跟踪多个目标以及对照明条件的鲁棒性使其技术要求较低，并克服了仪表步态分析广泛临床应用的障碍。Metria Innovation 正在开发用于临床部署的 MPT-GAIT 系统。该提案的目的是：1）采用具有自动注册评估功能的简单可靠的测量协议，2）开发一种具有临床意义的报告工具，参考规范数据库，3）设计用于临床使用的强大硬件和软件，既经济又实现了高度易用性，4) 临床部署以进行系统评估和完善，该项目的成果将是一个商业化的仪器化步态分析系统，该系统需要最少的专用空间，成本低廉，并且具有非常高的性能。容易程度使用。