Spinal needles | 合法醫療器材資訊網

2011年5月20日—Fig1:A'pencilpoint'spinalneedlesetwithintroducerandstylet/...topartthefibresoftheduraratherthancutthem,minimisingdamagetothe ...

Spinal needles vary in their design, usually regarding the tip geometry, but are fundamentally similar and usually come with a stylet and introducer needle. Larger spinal needles may not require an introducer.  

Fig 1: A pencil point spinal needle set with introducer and stylet/cannula

There are 2 designs of spinal needle tip in use within Wales at present :  the pencil point (on Whitacre and Sprotte needles) and the cutting tip on the Quinke (see below).