# K000046: Knight Endoscopic Spine System (Kess)

- Pathway: 510(k) (Traditional)
- Applicant: Richard Wolf Medical Instruments Corp.
- Decided: Mar 30, 2000 after 83 days
- Product code: HRX (Arthroscope)
- Device class: 2
- Regulation: 21 CFR 888.1100
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
17 later devices descend from it; 1 cites it directly.
0 of 18 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K081051: Spinevu Endoscopic Spine System (Sess), Spinevu Miniscope (2008), 16 descendants of its own
- K102733: Vision-Sciences Ent-5000 Video Ent Scope with Endosheath Technology, Vision-Sciences Dpu-5000/Dpu-5050 Video Processor (2011), 7 descendants of its own
- K090278: Enspire Debrider System (2009), 7 descendants of its own
- K110992: Enspire Debrider System (2011), 6 descendants of its own
- K120553: ESPIN (2012), 2 descendants of its own

Source page: https://510kreport.com/device/K000046
Methodology: https://510kreport.com/methodology