Study And Experiment Of The Palm Side Of The Minimally Invasive Surgical Approach To Scaphoid Fracture

Background and objectives:The Scaphoid fractures occurred muchin males, it has very clear history of injury, such as hurt, traffic injuries,crush injuries falling injury, machinery and so on. Fractures of the carpalscaphoid fractures occur in the highest rate of individual occurrences.Generally occurred alone, sometimes with the dislocation and fracture ofthe ulnar styloid process.May be due to the wrist joints can be easedwhen pressure on the scaphoid fracture, comminuted fractures of thescaphoid is rare. Scaphoid was thin, the waist is the thinnest, externalpressure resistance is small, the most prone to fracture, scaphoid fracturesabout the waist of scaphoid fracture7O%, nodules and proximal fracturesaccounted for15%. There is many complications after the treatment ofscaphoid fracture.With the wrist often swelling and activity restrictedafter the Scaphoid fractures, and early treatment is often neglected, so thedelayed healing, necrosis, and of non-Union high incidence, particularlyin the proximal and middle of the fractures. The key to the treatment ofscaphoid fractures is the ability to reset,and reduce the damage of thescaphoid genetically shipped again. Treatment of scaphoid fracturesincluding surgical and non-surgical.Fixed effect of the non-surgicaltreatment is not ideal,because prolonged braking, and can not effectivelyreset,there is a high incidence of complications.Open reset might causefurther damage to the scaphoid or soft tissue. Therefore,the applicationof minimally invasive surgical techniques are more widely,it could withminimum intrusion damage and minimal physiological disturbance toachieve the best possible results. In this study, we studying the angle ofscaphoid long axis with fixed position through X-ray, provide atheoretical basis for the palm side of the minimally invasive surgical approach to scaphoid fracture and preliminarily validate it with operationin fresh limbs.Subjects and methods:Randomly selected10healthy adultvolunteers with no abnormal wrist determined by X-ray, shoot wristanteroposterior and lateral radiograph by C-arm with special wrist postureand measure the radial angle radiograph of scaphoid long axis. The aboveoperations are done by the same examiner. Accordingly calculated thespace angle of the long axis of scaphoid long axis, and verify theaccuracy of the angle by drilling the Kirschner into fresh limbs. Analyzestwo groups of data under the SPSS13.0statistical software, check theright-hand man have any differences.Infiltrates Cleveland needle on newexsomatize body according to the obtained angle.Shooting X-ray in itsanteroposterior,lateral and long axis and observe the position of theKirschner wire. The anatomical separation scaphoid observed Kirschnerwhether in the central region of the scaphoid. In order to verify theaccuracy of the resulting angle. Dissecting the scaphoid, whether theobservation Kirschner in the central area of scaphoid.In order to verifythe accuracy of the resulting angle.Results:10healthy adult volunteers,7men, three women with anaverage age of28.5years of age.With the wrist fixed position of dorsiflexion20°and ulnar deviation of35°, left hand scaphoid long axis to the forearm sagittal plane isapproximately30.77±1.90°,to coronal plane is approximately44.39±1.40°, while right hand scaphoid long axis to the forearm sagittalplane is approximately30.92±1.77°,to coronal plane is approximately44.34±1.33°.T-test results show that there is no significant differencebetween left and right hand by SPSS13.0statistical software.Drilling theKirschner into fresh limbs according to above angles. Kirschner is locatedin the center of the scaphoid area visible after X-ray anteroposteriorlateral.Along the the scaphoid axial direction shooting X-ray visible,Kirschner almost into a dot in the navicular central dissecting the scaphoid, Anatomical separation the scaphoid,wo can see the radiographillustrate Kirschner is located in the central region of the scaphoidobviously.Conclusion:The measurement of the angle of scaphoid long axis hasan important guiding value to the palm side of the minimally invasivesurgical approach to scaphoid fracture.To reduce the injury of thenavicular bone and soft tissue when treat the scaphoid fracture withsurgical treatments, thereby reducing the incidence of complicationsand improve the cure rate of scaphoid fractures.