I. History of Chinese Patent Law ......................................................... 67 A. Enactment of Patent Law ............................................................................ 67 B. Subsequent Changes to China’s Patent Law: First Amendment to Patent Law (1992). .................................................................................................. 67 C. Second A...

The authors emphasise the key role of the state of the foramen Luschka in indication of neurootologic surgical approaches. Blockage of the foramen of Luschka with a medium or big tumour may impaire the CSF circulation. In such case the lateral transtemporal approaches--translabyrinthine and transotic are the best options. In all other situations where there is no blockage of the CSF circulation...

To the Editor: Chronic venous insufficiency is a common disease in adulthood. One recently developed therapy for varicose veins is foam sclerotherapy.1 We used foam sclerotherapy in a 51-year-old man and a 33-year-old woman who had symptomatic varicose great saphenous veins and were otherwise healthy. Immediately after the initiation of treatment, transient scotomas developed in the man, and a ...

Fat embolism during total joint arthroplasty or intramedullary procedures is well documented and is infrequently fatal. Considerable morbidity is associated with fat embolism syndrome, and post operative cognitive dysfunction is frequently seen, yet the exact pathophysiology remains unclear. Intraoperative cerebral microemboli can be detected using transcranial Doppler ultrasound and moreover t...

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