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editorial
. 2020 Jan;6(Suppl 1):S19–S28. doi: 10.21037/jss.2019.10.02

Figure 2.

Figure 2

Technical drawings and specifications of a rigid OEM lumbar endoscope made by asap endoscopic disc systems GmbH showing the assembly of the outer and inner tube with an oval inner working channel, the light source and eye piece assembly. The oval working channel allows for rapid lavage of debris encountered during bony and soft tissue decompression.