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Device for Measuring Intervertebral Space
专利权人:
Stryker European Operations Limited
发明人:
Steven Greendyk
申请号:
US16702696
公开号:
US20200197192A1
申请日:
2019.12.04
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The present disclosure provides a device and method for measuring or distracting an intervertebral distance of an intervertebral space between a first vertebral body and a second vertebral body. The device includes a displacement unit having first and second engagement members. Displacement of the engagement members is caused by actuating an actuator on the device. In response to actuation, a force transfer carrier drives the displacement between the engagement members. The force transfer carrier is connected to the engagement members by a plurality of linkages. The distance between the engagement members is indicated by a gauge having an indicator rotatable about a pivot point. The distance between the engagement members varies in a nonlinear relationship to the movement of the force transfer carrier.
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