Positioning system for a nerve stimulator needle

Details Positioning system for a nerve stimulator needle Positioning system for a nerve stimulator needle

2011-04-05

2011-04-05

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Sensitivity to electric stimulus

Reexamination Certificate

active

07918802

ABSTRACT:
A target nerve or nerve plexus registration point is located utilizing a nerve stimulator needle positioned in a bore of a carrier. The carrier is configured with an electrically nonconductive smooth curved surface at a distal end of the bore. The needle tip is fixed in an operative cutaneous electrode position and the smooth curved surface of the carrier is forced against and compresses the epidermis, corium and subcutaneous tissue and traverses cutaneous surfaces to locate a target nerve or nerve plexus without physical penetration by the needle tip. The needle is then inserted at the located point, with or without the needle path being guided by the bore. In another embodiment, a subcutaneous portion of carrier is introduced and is pivoted about its introduction point to locate the target nerve.

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Urmey et al; Percutaneous Electrode Guidance: A Noninvasive Technique for Prelocation of Peripheral Nerves to Facilitate Peripheral Plexus or Nerve Block; May-Jun. 2002; Regional Anesthesia and Pain Mediciine, vol. 27; p. 261-267.

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