Exemplary implantable stimulators for stimulating a stimulation site within a patient include an electronic module configured to generate stimulation and a housing configured to house the electronic module. The housing has a shape allowing the a stimulator and a surgical device to be accommodated together within an insertion tool used to insert the stimulator into the patient. Exemplary methods of stimulating a stimulation site within a patient include generating stimulation with an electronic module and housing the electronic module in a housing. The housing has a shape allowing the housing and a surgical device to be accommodated together within an insertion tool used to insert the housing into the patient.