Active medical implant with a hermetically sealed capsule

In an active medical implant containing a battery unit and an electronics unit, the improvement of a hermetically sealable capsule comprising:

• a first part having a receptacle therein and an open top, and a second part closing said open top, said first part and said second part consisting of biocompatible material;
• a partition wall disposed in said first part and forming a substantially closed space in said first part in which said battery unit is disposed, said partition wall and a portion of said first part surrounding said battery unit comprising a hermetically sealed casing for said battery unit as an integral part of said first part;
• said hermetically sealed casing having surfaces facing said battery unit with an electrically insulating layer, impermeable to battery chemicals, arranged on said surfaces;
• said second part and said partition wall forming a second space in said first part in which said electronics unit is disposed;
• and
• means for electrically connecting said battery unit in said first space and said electronics unit in said second space.