Patent No. EP2612609 (titled "Medical Instrument") was filed by Karl Storz on Dec 21, 2012. The application was issued on Jan 27, 2021.
A transmission adapter (60) for a medical instrument (10) enables the combination of a handling device (20) with various transmission elements (50) movable within a shaft (30). The handling device comprises a first part (21) rigidly coupled to the shaft's proximal end (31) and a second part (22) movable relative to the first. The adapter includes a first coupling element (61) for releasable mechanical coupling to the second part (22) and a second coupling element (68) for releasable positive locking mechanical coupling to the transmission element's proximal end (51). The adapter is integrated into the shaft's proximal region such that it cannot be removed non-destructively or without tools, facilitating force and torque transmission while maintaining compatibility across different shaft and element designs.

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