Results: The average age is 76, 57 ± 11, 86; male / femal: 4/3; diameter: 3, 93 ± 0, 63 mm; length: 25, 50 ± 1, 54 cm; usable length: 23, 39 ± 1, 48 cm; Maximal failure load: 328, 00 ± 44, 79 N Conclusion: The biochemical of AHPLT is similar to ST and GT.