# Puncture wounds, except gunshot wounds at Siemens Building Technology
> OSHA SIR `2015053041` · 5/19/2015 · KETTERING, OHIO
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Puncture wounds, except gunshot wounds
## Cause
- **Event:** Struck against stationary object or equipment, n.e.c.
- **Source:** Structures, n.e.c.
## Employer
- **Name:** Siemens Building Technology
- **Location:** 3535 Southern Blvd., KETTERING, OHIO, 45429
- **NAICS:** 238220
- **Jurisdiction:** 1
## Narrative

On or about  May 19, 2015, an employee exiting a roof onto a ladder was impaled in the back of the knee by a lightning rod.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*