Patent-family-89073039

An ingestible device for swallowing into a lumen of a gastrointestinal tract and for insertion into a lumen wall, the ingestible device (100) comprising: a) a housing (110, 120) with an exit opening (124), b) a tissue interfacing component (160, 170) configured for being advanced axially from a first position wherein it's first end does not protrude from the exit opening (124) and into a second position wherein the first end protrudes from the exit opening (124) for insertion in the lumen wall at a target location, c) an actuator arrangement (140, 150) for advancing the tissue interfacing component (160, 170) from the first position to the second position, and d) a shielding arrangement (131) for shielding the tissue interfacing component (160, 170) and configured by shifting from a non-shielding configuration to a shielding configuration subsequent to the tissue interfacing component (160, 170) entering into the second position.