并且他们发现可以通过关节镜手术进行修补，相对于传统手术，关节镜手术通过更小的切口使用精密器械来操作。

And they've found that it can be fixed using arthroscopic surgery, which USES narrow instruments inserted through smaller incisions than traditional surgery.

youdao

And not just a camera but there are also tools on the end of these things so you can cut and you can do manipulations through this instrument.

除了摄像头外,在关节镜的末端还有其他的器械,你可以体外操纵这些器械进行切割等操作

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