A tip part (2) for forming a tip of a disposable insertion endoscope (1), the tip part comprising an exterior housing (9) having an open proximal end (9a) for connection to other parts of the endoscope, the housing further having a distal front wall (11) and a circumferential housing wall (12), the circumferential housing wall extending a total housing length H in a proximal direction from the distal front wall to the proximal end of the housing, the distal front wall and the circumferential housing wall enclosing an interior spacing (24) of the tip part; a camera assembly able to provide an image from light received from an object to be investigated; and a tube insertion sleeve (38) provided within the interior spacing and fixed in relation to the distal front wall, the tube insertion sleeve being formed by a circumferential tube sleeve wall(39) that extends a total tube sleeve length S from the distal front wall of the housing to a proximal end of the tube insertion sleeve so that the tube insertion sleeve comprises an open proximal end; wherein the distal front wall has a fluid opening (10, 16a, 16b, 17) which is aligned with a distal end of the tube insertion sleeve, a proximal surface of the distal front wall surrounding the fluid opening to provide a tube abutment surface (40); whereby a tube (13, 21, 22, 23) can be inserted through the proximal end of the tube insertion sleeve until a distal end of the tube abuts the tube abutment surface, whereby the distal end of the tube is positioned to allow fluid flow through the tube to and through the fluid opening. Furthermore a method of manufacture of the tip part is disclosed.
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