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David A Petersen: Spinal plug for a minimally invasive facet joint fusion system. minSURG International, Sheppard Mullin Richter & Hampton, Don J Pelto, May 4, 2010: US07708761 (118 worldwide citation)

A frustum shaped body has an aperture in a top surface and a pair of first and second opposed apertures in a side surface, first and second horizontal internal channels connect both the first and second opposed apertures. A vertical channel from the top aperture connects with the first and second ch ...


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Petersen David A: Spinal plug for a minimally invasive facet joint fusion system. Orthopedic Development Corporation, Petersen David A, LARSON Herbert W, June 1, 2006: WO/2006/057943 (3 worldwide citation)

A frustum shaped body has an aperture in a top surface and a pair of first and second opposed apertures in a side surface, first and second horizontal internal channels connect both the first and second opposed apertures. A vertical channel from the top aperture connects with the first and second ch ...


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David A Petersen: Spinal plug for a minimally invasive facet joint fusion system. Orthopedic Development Corporation, Larson And Larson, May 25, 2006: US20060111782-A1

A frustum shaped body has an aperture in a top surface and a pair of first and second opposed apertures in a side surface, first and second horizontal internal channels connect both the first and second opposed apertures. A vertical channel from the top aperture connects with the first and second ch ...


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Petersen David A: Spinal plug for a minimally invasive facet joint fusion system. Orthopedic Development Corporation, August 29, 2007: KR1020077013287

A frustum shaped body has an aperture in a top surface and a pair of first and second opposed apertures in a side surface, first and second horizontal internal channels connect both the first and second opposed apertures. A vertical channel from the top aperture connects with the first and second ch ...