Abstract: Embodiments of the subject disclosure are directed a tricuspid valve treatment device, as well as associated methods for treating and/or replacing a diseased or otherwise damaged tricuspid valve using, for example, such disclosed devices and systems) is provided. In some embodiments, the device includes a lateral outflow port configured for arrangement after implantation in the right atrium, or right atrium and right ventricle, and configured for the fixation of a surgical or transcatheter valve, where such valve can be placed after the tricuspid valve treatment device is implanted.