WRENTHAM, Mass. — A Massachusetts nurse has been charged with trying to help a convicted rapist accused of stabbing his attorney escape from prison.

Deborah Girouard pleaded not guilty Wednesday to charges of smuggling and aiding an inmate's escape. Prosecutors say the 44-year-old Girouard smuggled saw blades and other items into the MCI-Cedar Junction prison in Walpole to try to help 39-year-old Che Blake Sosa escape.

Sosa is serving a lengthy prison sentence for multiple rape convictions and is awaiting trial on charges that he stabbed his defense attorney in court in February 2007.

Girouard was a contract nurse at the prison. Her attorney says Girouard disputes the charges. She has been ordered held without bail.