New Data on LINX with Hiatal Hernia Repair Posted on January 29, 2020June 3, 2020 by Peter Janu, MDWatch a video of Dr. John Lipham explaining new clinical findings on the relationship between LINX, GERD, and hiatal hernias. Dr. John Lipham, Chief, Upper GI & General Surgery at University of Southern California discusses outcomes in LINX patients with GERD and hiatal hernias.