Addante J B, Ioli J P, Chin M W
J Foot Surg. 1982 Summer;21(2):91-5.
Numerous procedure have been proposed for the treatment of flexible flatfoot. Many procedures use bone blocks and bond grafts placed into the sinus tarsi to limit subtalar joint motion. Arthroereisis is the limitation of exogenous joint motion without complete arthrodesis. This has been performed by utilizing a variety of endoprosthetic devices. Some require suture or bone cement for placement. Such techniques may add to the complications and limitations of these procedures. When indicated, the implantation of a Silastic 3 sphere into the sinus tarsi appears to be a promising alternative. The procedure is uncomplicated and does not require an osteotomy, grafting, cement, or internal or external fixation. Joint integrity is maintained without violation of the talocalcaneal articular facets. Properly performed, the Silastic sphere is self contained and retained with minimal potential of subluxation. The sphere also functions with a "ball-bearing" action, thereby reducing the abrupt torsional forces of impaction while limiting excessive pronation.
针对柔韧性扁平足的治疗，已经提出了许多手术方法。许多手术使用骨块和植骨置于距下窦以限制距下关节活动。关节制动术是在不完全关节融合的情况下对外源性关节活动进行限制。这已通过使用各种内置假体装置来完成。有些需要缝合或骨水泥来放置。此类技术可能会增加这些手术的并发症和局限性。在有指征时，将硅橡胶3球植入距下窦似乎是一种有前景的替代方法。该手术不复杂，不需要截骨、植骨、骨水泥或内固定或外固定。关节完整性得以维持，而不侵犯距跟关节面。操作得当，硅橡胶球自成一体且固定牢固，半脱位可能性极小。该球还具有“滚珠轴承”作用，从而在限制过度旋前的同时减少撞击的突然扭转力。
