Police responded to reports that a woman had been attacked in her home at Glentham Road at 5.35pm on Thursday 15th September.
Claire Louise Boswell, 43, was taken to Lincoln County Hospital and treated for stab wounds.
She has since been transferred to Queens Medical Centre in Nottingham where she remains in a serious but stable condition.
Paul Henry, 45, of Lea Place, Gainsborough has since been charged with attempted murder.
Henry appeared before Lincoln Magistrates Court on Monday 19th September.
He spoke only to confirm his name, age and address in court and no plea was entered.
Henry was remanded in custody until he must appear at Lincoln Crown Court on Monday 26th September for a plea and case management hearing.
Anyone with any information or anyone who was in the area of Glentham Road at the time of the incident is urged to contact Lincolnshire Police by calling 0300 1110300.
You can also contact Crimestoppers anonymously by calling 0800 555111.