obturator nerve


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Related to obturator nerve: Nerve to obturator internus

obturator nerve

[′äb·tə‚rād·ər ¦nərv]
(neuroscience)
A mixed nerve arising in the lumbar plexus; innervates the adductor, gracilis, and obturator externus muscles, and the skin of the medial aspect of the thigh, hip, and knee joints.
References in periodicals archive ?
At our institution, we use continuous FNB for TKA but elected to use single-shot LPB rather than FNB for mUKA because of sporadic postoperative patient complaints of pain following UKA, which was managed at our institution by administration of a single-shot obturator nerve block.
Heywang-Kobrunner and colleagues used CT guidance for diagnostic and therapeutic large volume, obturator nerve, local anesthetic blocks in 15 patients.
The Howship-Romberg sign, which is suggestive of an obturator hernia, consists of pain along the medial aspect of the thigh, extending to the knee, caused by irritation of the obturator nerve.
The authors reported that spillage of tumour cells might have occurred during dissection of a firm necrotic mass around the left obturator nerve.
The second osteotomy is the complete separation of the pubic bone medial to the iliopectineal eminence; during this osteotomy, the obturator nerve and vessels have to be protected with blunt retractors.
The obturator nerve can usually be identified at this point, and the obturator fossa nodes and hypogastric lymph nodes can be removed.
Also, in 4 (2%) patients we observed an obturator nerve deficit, with a full functional recovery during the follow-up.
More specifically, anterior divisions of L2-L4 comprise the obturator nerve, which then innervates the medial aspects of the thigh; whereas the posterior divisions give rise to the femoral nerve (L2-L4) and the lateral femoral cutaneous nerves (L2-L3), which supply the anterior and lateral parts of the thigh, respectively.
The 3-in-1 continuous femoral block involves the injection of local anaesthetic into the perineural sheath surrounding the femoral nerve to obtain blockade of the femoral nerve, obturator nerve and the lateral cutaneous nerve of the thigh.