main webpage W Topic Needle Valve Current Problems in Surgery • Vol 61 • No 12 Closed (Verres needle) vs. open (Hasson cannula) approach to creating pneumoperitoneum in laparoscopic cholecystectomy in patients with no previous abdominal surgery: A systematic review and meta-analysis 2024 Article Open Needle Valve Open Article Page

Needle Valve

Type of valve with a small port A needle valve is a type of valve with a small port and a threaded, needle-shaped plunger. It allows precise regulation of flow, although it is generally only capable of relatively low flow rates. … Critical Symbolic Virtual Narrative Open Needle Valve Open Article Page

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Explore Needle Valve W Topic Needle Valve Current Problems in Surgery • Vol 61 • No 12 Closed (Verres needle) vs. open (Hasson cannula) approach to creating pneumoperitoneum in laparoscopic cholecystectomy in patients with no previous abdominal surgery: A systematic review and meta-analysis 2024 Article Critical Symbolic Virtual Narrative Open Needle Valve Open Article Page