









casing
sleeve
tubing
An instrument called a trocar makes a puncture in the abdominal wall.
According to the invention, the needle has a cannelure (14), for holding a supporting element (19) with a form of strip (20).

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Open the tool →套管 (tào guǎn) means “casing, sleeve, tubing”.
套管 is pronounced tào guǎn in Mandarin Chinese.
“casing” is 套管 (tào guǎn) in Chinese.
This page has 2 example sentences using 套管, each with pinyin and an English translation.