Depth stop devices and systems

A system comprising a medical device and a depth stop device for use in connection with the medical device, the depth stop device comprising:

• a stop member slidably positionable on the medical device, at least one abutment member in operative connection with the stop member to adjustably contact the medical device to lock the stop member in a desired position relative to the medical device or to free the stop member to slide relative to the medical device, and an adjustment member consisting of a threaded member that is movable to adjust the position of the abutment member, the force applicable by the abutment member to the medical device being limited to be less than a certain force, the abutment member also comprising a surface of the depth stop member that is movable upon rotation of the threaded member wherein the depth stop surface is at least a portion of a surface of a passage formed in the stop member through which the medical device can be passed, the passage being in communicative connection with a slot formed in the stop member, the width of the slot being adjustable via rotation of the threaded member to adjust the force applicable by at least a portion of the surface of the passage to the medical device.