Intraoperative Surgical Angle Measurement Tool
The intraoperative surgical angle measurement tool (product code QWL) is a Class 2 Orthopedic device (regulation 888.4560) that attaches to surgical instruments to measure their angle relative to a vertical plumb line aligned with gravity during surgical procedures. It requires 510(k) clearance and does not utilize anatomic landmarks or registration to patient anatomy. Although flagged as an implant in the record, it functions as an instrument attachment rather than a permanently implanted component; it is not life-sustaining.
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Basic Information
- Product Code
- QWL
- Device Class
- FDA class 2
- Regulation Number
- 888.4560
- Medical Specialty
- Orthopedic
- Review Panel
- OR
- Submission Type
- 1
Device Characteristics
Definition
An intraoperative surgical angle measurement tool attaches to surgical instruments to measure the angle of the instrument relative to a vertical plumb line in line with gravity. The tool does not utilize anatomic landmarks or registration to patient anatomy.
510(k) Clearance History
Related 510(k) Clearances
This FDA classification is associated with 3 510(k) clearances via K numbers.
| K Number | Device Name | Decision Date | Decision | Applicant |
|---|---|---|---|---|
| K252615 | Ruthless Spine RJB | Sep 17, 2025 | Substantially Equivalent | Ruthless, LLC Dba Ruthless Spine |
| K243375 | Ruthless Spine RJB | Nov 29, 2024 | Substantially Equivalent | Ruthless, LLC Dba Ruthless Spine |
| DEN230012 | Ruthless Spine RJB | Jul 14, 2023 | Unknown | Ruthless, LLC Dba Ruthless Spine |
FEI Numbers
This FDA classification entry is associated with 3 FEI numbers. Click on an entry to view related FDA registrations.
Registration Numbers
This FDA classification entry is associated with 3 registration numbers. Click on an entry to view related FDA registrations.