Comparison of the 25 | 合法醫療器材資訊網

Thebiggerthenumber,thethinneristheneedle.Theneedlesavailableare18,20,22,23,25,26and27G.Theneedlesidealforspinalanesthesiaare25,26 ...

Spinal Anesthesia (SA) has been widely used as a method of anesthesia for surgeries beneath the umbilicus level since its invention by August Bier in 1898 (Shah and Bhosale, 2010[1]; Wulf, 1998[2]).

Spinal anesthesia is done by injection of small amounts of local anesthetics in the cerebrospinal fluid (CSF). This anesthetic should be able not only to block the nervous pathways but also be nontoxic in nature, meaning that it should not delay the mechanism of bulbar centers or interfere with the vital metabolic processes of the body (Imbelloni and Gouveia, 2012[3]).

Spinal anesthesia should be done below the surface where the spinal cord ends (L2) and therefore, is usually performed in the L3-L4 region (Imbelloni and Gouveia, 2012[4]).

However, spinal anesthesia is one of the most common...