Police were called to Kettering General Hospital after a man’s body was discovered.
The area was cordoned off while Northamptonshire Police investigated. However, officers said they are not treating the death as suspicious.
No details have been released by the hospital as to how the man came to be in the oven on Friday.
A police spokeswoman said: “Police officers were called to the sudden death of a man at Kettering General Hospital on Friday, September 6.
“We are not treating this death as suspicious and will be preparing a report for the coroner.
“Our thoughts are with the man’s family and friends at this time.” The hospital said it was investigating the circumstances of the death.
Julie Hogg, chief nurse at University Hospitals of Northamptonshire NHS Group, said: “We are working with Northamptonshire Police so that they can complete a report for the coroner into
the circumstances of this tragic incident.
“Our thoughts are with the man’s family and loved ones. We will not be commenting further at this time.”