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The Nerve Monitoring Cable in conjunction with dilators, pedicle probes, taps, awls or screw drivers, are intended for tissue dilation/dissection and stimulation of peripheral nerves including spinal nerve roots for location and identification during spinal surgery. The dilators are also intended for use in surgical procedures to provide surgical access by dilating the soft tissue to the intended surgical site to allow passage of current from a point on the proximal end to an uninsulated portion of the distal tip. The purpose of this is to allow controlled monitoring of neural elements near and around the point of access. The dilators are offered sterile/single use.

The Nerve Monitoring Cable System, which consists of Nerve Monitoring Cables in conjunction with various stimulation accessories, allow for tissue dilation and stimulation of peripheral nerve roots for location and identification during open and percutaneous / minimally invasive spinal surgery. The Nerve Monitoring Cable includes a 1.5 mm female DIN connector for use with a stimulating console with a Type BF or CF rating. The other end of the Nerve Monitoring Cable includes a clip for connection to the stimulation accessories of this system. The stimulation accessories include general manual orthopedic surgical instruments previously cleared via K073227 (i.e. pedicle probes, taps, awls and screw drivers) and also include sterile/ single-use dilators which are subject of this submission. The subject dilators are a series of hollow tubes that fit over one another for the purpose of dilating tissue in preparation for spinal surgery. Similar to the predicate instrument accessories, they are made from a conducting metal (Aluminum 6061-T6) with an insulated outer coating (Parylene C) to allow passage of current from a point on the proximal end where it connects to the Nerve Monitoring Cable to an un-insulated portion of the distal tip. The purpose of this is to allow controlled monitoring of neural elements near and around the point of access. The subject dilators are offered sterile/single-use.