(医学课件)骨折概论英文版本.ppt

ORTHOPEDICS INTRODUCTION Wenzhou Central Hospital Traumatology Department Chen Mang-mang1 Section onedefinitioncauseclassificationdisplacement 2 一、Definition：The integrity and/or continuity of the bone be interruptted3 二、cause1direct violence： meas:violence direct to the bone----than fracture.4 2indirect violence： translate to the bone-than fracture.Violence indirect to the fracture part.(such as colle’s fracture) 。 myotility ：muscles attached the bone(patella?fracture) 。transverse?process fracture.5 3fatigue fracture ： Long-term, repeated and minor external force. the stress accumulated. such as: the second and third metatarsal fractures because of long-distance march ;distal 1/3 part fibula fracture above three types,all occur in healthy bone,called Traumatic fractures 4pathological fracture ： occur in Bone disease , Slight force 。(tumor、infection) 6 三、classification(plenty of)（一）according to skin、Mucosa of the frature .1、close fracture：ends of the fracture and air are interlinked.2、open fracture：aren’t interlinked7 （二） according to severity and shape1、incomplete fracture ： The integrity and/or continuity of the bone be interruptted 1）linear fracture ：gap,not displaced.（The skull bone,scapula bone）2）greendstick fracture ：Bone and periosteum partly broken ，with or without angulation?deformity。（like Willow branches ）8 2、complete fracture：The integrity and/or continuity of the bone be interruptted completelyAccording to fracture line and shape：1）Transverse Fracture： fracture and vertical axis =vertical。 (right pic.）9 三、? according to severity and shape 2）oblique fracture ： fracture line and vertical axis to form a certain Angle （as right figure） 10 （ according to severity and shape ）3）spiral fracture:(right pic.）11 4comminuted fracture： more th