Fixing jig

Abstract

A fixing jig has a frame body that is capable of holding a bag. The frame body has engagement parts which engage engagement claws of a bottle needle being connected to a discharge port of the bag and which are for maintaining a connection state with the bottle needle The fixing jig which is fixed to the discharge port made of a soft material comprises: first engagement parts that are made of a material harder than the material of the discharge port that can be attached to the discharge port and that are capable of engaging, when attaching the discharge port thereto, a first counter engagement part which is formed in the discharge port; and second engagement parts which are capable of engaging second counter engagement parts formed in the bottle needle. The bottle needle is prevented from slipping off of the discharge port via the first engagement parts and the second engagement parts.

Dependencies are inferred from the claim text.