Breathable residual-limb socket system

In combination, a liner and an adapter, said liner adapted to receive a residual limb, said adapter for connecting said liner to a prosthetic, said liner comprising:

• a pouch defining an internal volume for receiving said limb;
• an opening defined by said pouch providing access to said internal volume;
• a cup positioned on said pouch distal to said opening, said cup being air-impermeable;
• a first ring seal attached to said pouch and surrounding said cup,
• said adapter comprising:
• a socket for receiving said cup, said socket engaging said first ring seal;
• at least one hole positioned within said socket for drainage therefrom;
• and
• a sleeve extending from said socket and surrounding a central space, at least one vent being positioned in said sleeve.

In combination, a liner and an adapter, said liner adapted to receive a residual limb, said adapter for connecting said liner to a prosthetic, said liner comprising:

• a pouch defining an internal volume for receiving said limb;
• an opening defined by said pouch providing access to said internal volume;
• a cup positioned on said pouch distal to said opening, said cup being air-impermeable;
• a first ring seal attached to said pouch and surrounding said CUD;
• said adapter comprising:
• a socket for receiving said cup, said socket engaging said first ring seal;
• at least one hole positioned within said socket for drainage therefrom;
• a plurality of apertures positioned in said cup, said apertures facing said at least one hole;
• a sleeve extending from said socket and surrounding a central space;
• and
• an interface to said prosthetic, said interface being attached to a posterior surface of said sleeve.

In combination, a liner and an adapter, said liner adapted to receive a residual limb, said adapter for connecting said liner to a prosthetic, said liner comprising:

• a pouch defining an internal volume for receiving said limb;
• an opening defined by said pouch providing access to said internal volume;
• a cup positioned on said pouch distal to said opening, said cup being air-impermeable;
• a first ring seal attached to said pouch and surrounding said CUD;
• said adapter comprising:
• a socket for receiving said cup, said socket engaging said first ring seal;
• at least one hole positioned within said socket for drainage therefrom;
• and
• a sleeve extending from said socket and surrounding a central space;
• and
• an interface to said prosthetic, said interface being attached to a posterior surface of said sleeve.