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Ex vivo study demonstrates that biodegradable injectable PEGMC/HA(45) can be injected into collapsed femoral head for reinforcement. A) PEGMC/HA(45) solution loaded in cannula injection tool; B) The cored femoral head with a cylindrical cavity; C) PEGMC/HA(45) being injected into collapsed femoral head; and D) The sectional view of cemented femoral head with CPEGMC/HA(45) composite. Crosslinking was achieved within 5 minutes of injection.
