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Prepackaged collections of the devices and supplies (either custom or standard) needed for providing local anesthesia into the subarachnoid cerebrospinal fluid space. Items in these kits usually include needles (e.g., lancet point, introducer, skin wheal, withdrawal), syringes, a needle stick pad, a procedural filter, anesthetics (e.g., lidocaine), epinephrine, sponge applicators, towel(s), gauze sponges, a fenestrated drape, and antiseptic solution. The kits are frequently supplied in supporting trays (i.e., procedure trays) consisting of a flat-bottomed receptacle with a border around the periphery supporting all the instruments and supplies needed for the procedure; the trays are usually covered or wrapped. Saddle block anesthesia kits and trays are intended for use in a nerve block limited to the regions corresponding to the perineum, the buttocks, and the inner aspect of the thighs during diagnostic and/or therapeutic procedures.
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