Hind Foot amputation

Boyd Amputation -Tibiocalcaneal arthodesis, heel pad preserved.

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( Modifizierte Pirogoff-Amputation | SpringerLink )

Pirgoff Amputation 

Amputation at ankle. part of calcanuem left in the stump , Calcaneum cut vertically. 

Advantages 

long lever arm , self suspension , good proprioception , end wt bearing. 

Disadvantages 

poor cosmesis , too long to use standard foot , no possibility of prosthetic foot fitting