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Abstract：
UNASSIGNED: The bony mallet finger is a tear fracture of the extensor tendon, resulting in a flexion deformity of the finger, which affects both the function of the finger. The classical Ishiguro\'s method is associated with damage to the cartilage of the distal interphalangeal (DIP) joint and always lead to the joint stiffness. This paper explores a new technique to overcome the shortcomings of the classical Ishiguro\'s method and achieve better clinical efficacy.
UNASSIGNED: We examined 15 patients with bony mallet fingers, 9 males and 6 females, from February 2020 to June 2022, ranged from 23 to 58 years, including 1 case of index finger, 5 cases of middle finger, 3 cases of ring finger and 6 cases of little finger. The median course of the injury to surgery was 2 days (range, 1∼7 days). All had fresh closed injuries, according to the Wehbe and Schneider classification: 4 cases of type IA, 6 cases of type IB, 3 cases of type IIA and 2 cases of type IIB. All patients were treated surgically by the new technique. Post-operative follow-up was conducted to record the healing of the fracture, the pain of the affected finger and the function of joint movement.
UNASSIGNED: The 15 cases were followed up after surgery. The median active range of motion was 65° (range, 55∼75°). The median extension deficit of DIP joint was 0° (range, 0∼11°). The median clinical healing time of the fracture was 6 weeks (range, 6∼10 weeks). None of the patients experienced significant pain. The patients were assessed according to the Crawford criteria at the final follow-up: 11 cases were assessed as excellent, 3 cases were assessed as good and 1 case was assessed as fair. No loss of fracture repositioning, loosening of internal fixation, skin necrosis or infection was observed.
UNASSIGNED: The application of the new technique for the treatment of bony mallet fingers has the advantages of good stability, fracture healing and functional recovery of the DIP joint, making it an ideal surgical procedure for the treatment of fresh bony mallet fingers.
UNASSIGNED: We examined 15 patients with bony mallet fingers, 9 males and 6 females, from February 2020 to June 2022, ranged from 23 to 58 years, including 1 case of index finger, 5 cases of middle finger, 3 cases of ring finger and 6 cases of little finger. The median course of the injury to surgery was 2 days (range, 1∼7 days). All had fresh closed injuries, according to the Wehbe and Schneider classification: 4 cases of type IA, 6 cases of type IB, 3 cases of type IIA and 2 cases of type IIB. All patients were treated surgically by the new technique. Post-operative follow-up was conducted to record the healing of the fracture, the pain of the affected finger and the function of joint movement.
UNASSIGNED: The 15 cases were followed up after surgery. The median active range of motion was 65° (range, 55∼75°). The median extension deficit of DIP joint was 0° (range, 0∼11°). The median clinical healing time of the fracture was 6 weeks (range, 6∼10 weeks). None of the patients experienced significant pain. The patients were assessed according to the Crawford criteria at the final follow-up: 11 cases were assessed as excellent, 3 cases were assessed as good and 1 case was assessed as fair. No loss of fracture repositioning, loosening of internal fixation, skin necrosis or infection was observed.
UNASSIGNED: The application of the new technique for the treatment of bony mallet fingers has the advantages of good stability, fracture healing and functional recovery of the DIP joint, making it an ideal surgical procedure for the treatment of fresh bony mallet fingers.
摘要：
■骨槌指是伸肌腱的撕裂性骨折，导致手指弯曲畸形，影响手指的功能。经典的Ishiguro方法与远端指间（DIP）关节软骨的损伤有关，并且总是导致关节僵硬。本文探索了一种新的技术，克服了经典石黑法的缺点，取得了更好的临床疗效。
■我们检查了15例骨槌状手指患者，9男6女,从2020年2月到2022年6月，从23年到58年，包括1例食指,5例中指，无名指3例，小指6例。手术损伤的中位病程为2天（范围，1~7天)。都有新的闭合伤，根据Wehbe和Schneider分类：4例IA型，6例IB型，IIA型3例，IIB型2例。所有患者均采用新技术进行手术治疗。术后随访记录骨折愈合情况,受影响的手指疼痛和关节运动功能。
■术后随访15例。中位活动范围为65°（范围，55-75°)。DIP关节的中位伸展不足为0°(范围,0-11°)。骨折的中位临床愈合时间为6周（范围，6~10周)。没有患者经历明显的疼痛。在最后一次随访时，根据克劳福德标准对患者进行评估：11例被评估为优秀，3例评估为良好，1例评估为一般。没有骨折复位丢失，内固定松动，观察到皮肤坏死或感染。
■应用新技术治疗骨槌指具有稳定性好的优点，DIP关节的骨折愈合和功能恢复，使其成为治疗新鲜骨槌手指的理想外科手术。
■我们检查了15例骨槌状手指患者，9男6女,从2020年2月到2022年6月，从23年到58年，包括1例食指,5例中指，无名指3例，小指6例。手术损伤的中位病程为2天（范围，1~7天)。都有新的闭合伤，根据Wehbe和Schneider分类：4例IA型，6例IB型，IIA型3例，IIB型2例。所有患者均采用新技术进行手术治疗。术后随访记录骨折愈合情况,受影响的手指疼痛和关节运动功能。
■术后随访15例。中位活动范围为65°（范围，55-75°)。DIP关节的中位伸展不足为0°(范围,0-11°)。骨折的中位临床愈合时间为6周（范围，6~10周)。没有患者经历明显的疼痛。在最后一次随访时，根据克劳福德标准对患者进行评估：11例被评估为优秀，3例评估为良好，1例评估为一般。没有骨折复位丢失，内固定松动，观察到皮肤坏死或感染。
■应用新技术治疗骨槌指具有稳定性好的优点，DIP关节的骨折愈合和功能恢复，使其成为治疗新鲜骨槌手指的理想外科手术。
