Overview
- 138 inspections across 132 sites are on record.
- 528 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-04-01.
At a glance
Inspections
138
Sites
132
Observations
528
Career since
Nov 2015
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Minnetronix, Inc. | 1 Apr 2026 | Medical Devices & Rad Health | On file |
| Radiation Products Design,Inc | 4 Mar 2026 | Medical Devices & Rad Health | On file |
| MEDTRONIC ATS MEDICAL, INC. | 15 Jan 2026 | Medical Devices & Rad Health | On file |
| Gyrus ACMI, Inc. | 12 Nov 2025 | Medical Devices & Rad Health | On file |
| Athena Surgical | 15 Sep 2025 | Medical Devices & Rad Health |
Sites inspected
Minnetronix, Inc.Saint Paul, United States1 insp.
Radiation Products Design,IncAlbertville, United States1 insp.
MEDTRONIC ATS MEDICAL, INC.Plymouth, United States1 insp.
Gyrus ACMI, Inc.Brooklyn Park, United States1 insp.
Athena SurgicalMinnetonka, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Teresa K Kastner9 shared
Tyler R Courtney5 shared
Jason D Werne5 shared
Alicia U Jacobo4 shared
Albert L Nguyen3 shared
Benjamin E Bowen3 shared
Mildred J Tures3 shared
Laureen M Geniusz3 shared
Andrew I Carr3 shared
Joseph D Gong2 shared
Full investigator report
Get the verbatim findings behind Christina L Bigham's 528 observations
Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.
- New inspections and Form 483s, mapped to the CFR citation
- Warning letter outcomes, and the citation patterns they repeat
- Their co-investigators, so no surprises about who shows up on site