A breast implant comprising: an implant shell having an outer surface and defining a first reservoir; a porous membrane overlying the outer surface of said implant shell and defining a second reservoir located between the outer surface of said implant shell and said porous membrane ; a filling tube having a first conduit in communication with said first reservoir and a second conduit in communication with said second reservoir ; an injection dome coupled with said filling tube , said injection dome having a first chamber in fluid communication with said first conduit and a second chamber in fluid communication with said second conduit , characterized in that said injection dome comprises: an upper end including an injection cover, said first chamber being located adjacent said injection cover; a lower end including a support base , said second chamber being located below said first chamber and adjacent said support base ; and a diaphragm extending between said first and second chambers for separating said first and second chambers from one another, and said injection cover is pierceable by an injection needle for introducing a first solution into said first chamber for supplying said first solution to said first reservoir of said implant , and said diaphragm is pierceable by an injection needle for introducing a second solution into said second chamber for supplying said second solution to said second reservoir of said implant . an implant shell having an outer surface and defining a first reservoir; a porous membrane overlying the outer surface of said implant shell and defining a second reservoir located between the outer surface of said implant shell and said porous membrane ; a filling tube having a first conduit in communication with said first reservoir and a second conduit in communication with said second reservoir ; an injection dome coupled with said filling tube , said injection dome having a first chamber in fluid communication with said first conduit and a second chamber in fluid communication with said second conduit , characterized in that said injection dome comprises: an upper end including an injection cover, said first chamber being located adjacent said injection cover; a lower end including a support base , said second chamber being located below said first chamber and adjacent said support base ; and a diaphragm extending between said first and second chambers for separating said first and second chambers from one another, and said injection cover is pierceable by an injection needle for introducing a first solution into said first chamber for supplying said first solution to said first reservoir of said implant , and said diaphragm is pierceable by an injection needle for introducing a second solution into said second chamber for supplying said second solution to said second reservoir of said implant . an upper end including an injection cover, said first chamber being located adjacent said injection cover; a lower end including a support base , said second chamber being located below said first chamber and adjacent said support base ; and a diaphragm extending between said first and second chambers for separating said first and second chambers from one another, and said injection cover is pierceable by an injection needle for introducing a first solution into said first chamber for supplying said first solution to said first reservoir of said implant , and said diaphragm is pierceable by an injection needle for introducing a second solution into said second chamber for supplying said second solution to said second reservoir of said implant . <EOS>