The present invention provides a limb immobilization device, being an immobilization device having a thermoplastic fixation plate and being moldable on a patient’s body directly to cover a part of the patient to support and/or immobilize the part of the patient. The limb immobilization device can replace the traditional plaster cast and has high air permeability. The thermoplastic fixation plate is a laminate comprising a first spacer fabric having a coating layer thereon and a soft cloth.本創作提供一種肢體固定裝置，其係由一熱塑性固定板直接在一患者上成形所構成的固定裝置，包覆該患者的一部分，用以固定及/或支持該患者的肢體，可取代傳統石膏之透氣性佳的肢體固定裝置；其中該熱塑性固定板為一表面具有塗層的第1立體織物與一軟性織物所構成的積層體。
