Prospective Post-market Evaluation of an Echogenic Catheter

Exclusion Criteria

• •Patient with contraindications to regional anesthesia technique (e.g. allergy to local anesthetic or other medications used in study)
• •Patient with known coagulopathy
• •Patient whose target nerve cannot be seen with linear ultrasound probe in a pre-procedure scan. All patients who need a curvilinear probe to visualize the target nerve will be excluded from the study.
• •Patients having mastectomy and immediate reconstruction