发明授权
US4808168A Pneumoneedle 失效
肺气球

Pneumoneedle
摘要:
A single-use Veress-type pneumoneedle that has a flanged handle and a fixed valve subassembly that permit the pneumoneedle to be gripped like a syringe when it is being inserted. The stylet body is either a solid rod or a hollow tube. Insufflating gas is carried into the abdominal cavity through the lumen of the needle when the stylet is a solid rod or through the stylet lumen when the stylet is a hollow tube.
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