Abstract
With the initial Blom-Singer prosthesis technique, the method for prosthesisplacement and replacement was based on an antegradeapproach; the prosthesis was placed into the puncture sitefrom the tracheal side to the esophageal side. This allowedfor the necessary maintenance and prosthesis changesrequired with the earlier designs.Subsequent prosthetic designs, such as the Groning-en
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