Importance

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Abstract

A surgical device includes a handpiece having a socket, including a distal opening providing access to a passage having a longitudinal axis, and first and second electrical contacts located therein, wherein the contacts are displaced along the longitudinal axis so the first contact is more distal than the second. Also, a surgical instrument includes an elongate shaft having distal and proximal ends, wherein an end effector at the distal end is for treating tissue. Further, a connecting portion includes third and fourth electrical contacts, wherein the contacts are displaced along the shaft so the third contact is more distal than the fourth. The surgical instrument is coaxially coupled to the handpiece by the connecting portion received in the passage, so the first contact is aligned with the third and the second is aligned with the fourth to provide an electrical power signal from the handpiece to the surgical instrument.

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First Claim