Patent ID: 7306610
Filing Date: 2007-12-11
Classification: A61B

Abstract:
1. A method for forming a hardened cement comprising the following steps: a) preparing a cement paste; a′) disposing a pocket in a bone cavity; b) injecting said cement paste into said pocket; c) allowing said cement paste to harden in said pocket, wherein said cement paste in said pocket is under a pressure while said cement paste is hardening; d) opening said pocket; and e) separating the resulting opened pocket from said hardened cement; wherein said injecting in step b) and said opening in step d) is carried out with a means which is able to be operated outside said bone cavity, and the resulting opened pocket is attached to said means; and wherein said separating in step e) is carried out by removing the resulting opened pocket from said bone cavity with the hardened cement remaining in said bone cavity.