Kelly, The LINX procedure is used to treat gastroesophageal reflux disease (GERD). The device is surgically implanted around the lower end of the esophagus. You can learn more from this patient story:
- Finally! Relief for Unbearable Acid Reflux: The LINX Procedure https://sharing.mayoclinic.org/2013/06/14/finally-relief-for-unbearable-acid-reflux-the-linx-procedure/

@mrsheart, Mayo Clinic also offers transoral incisionless fundoplication (TIF), a recently developed procedure that may offer relief from GERD without surgery. These procedures require significant experience and skills in laparoscopic and endoscopic techniques.
https://www.mayoclinic.org/diseases-conditions/gerd/care-at-mayo-clinic/mac-20362042#