A middle ear implant arrangement comprising: an implantable electromechanical transducer with a transducer inner end and an opposing transducer outer end connected together by a center transducer axis, said electromechanical transducer being configured to convert an input electrical stimulation signal into a corresponding output mechanical stimulation signal; a cochlear engagement member located at the transducer inner end, said cochlear engagement member further comprising a cochlear engagement surface configured to couple the mechanical stimulation signal to an outer cochlear surface of a recipient patient; and a loading spring having: i. a spring inner end configured to engage the outer end of the transducer, ii. an opposing spring outer end configured to engage a fixed anatomical structure within a middle ear of the recipient patient; and characterised by: iii. a center of mass located on a first common line between the spring inner end and the spring outer end; wherein the loading spring has an s-shape with a central spring axis along the common line, and wherein the loading spring is configured for displacement of the spring inner end and the spring outer end along the central spring axis so as to fit the loading spring between the transducer and the fixed anatomical structure with a loading force that is within a defined range and entirely along a second common line of the center transducer axis and the central spring axis, and wherein the loading spring has a symmetry point at the center of mass, such that the center of mass remains located on the central spring axis during application of the loading force. an implantable electromechanical transducer with a transducer inner end and an opposing transducer outer end connected together by a center transducer axis, said electromechanical transducer being configured to convert an input electrical stimulation signal into a corresponding output mechanical stimulation signal; a cochlear engagement member located at the transducer inner end, said cochlear engagement member further comprising a cochlear engagement surface configured to couple the mechanical stimulation signal to an outer cochlear surface of a recipient patient; and a loading spring having: i. a spring inner end configured to engage the outer end of the transducer, ii. an opposing spring outer end configured to engage a fixed anatomical structure within a middle ear of the recipient patient; and characterised by: iii. a center of mass located on a first common line between the spring inner end and the spring outer end; i. a spring inner end configured to engage the outer end of the transducer, ii. an opposing spring outer end configured to engage a fixed anatomical structure within a middle ear of the recipient patient; and characterised by: iii. a center of mass located on a first common line between the spring inner end and the spring outer end; wherein the loading spring has an s-shape with a central spring axis along the common line, and wherein the loading spring is configured for displacement of the spring inner end and the spring outer end along the central spring axis so as to fit the loading spring between the transducer and the fixed anatomical structure with a loading force that is within a defined range and entirely along a second common line of the center transducer axis and the central spring axis, and wherein the loading spring has a symmetry point at the center of mass, such that the center of mass remains located on the central spring axis during application of the loading force.