A multiple-hole needle for biopsy was designed. Use of needle diagnoses were obtained for 420 cases. Some of these were not diagnosed previously with other biopsy methods. This report describes biopsy procedure with case presentation, showing the advantage of this technique. The overall rate of successful diagnosis by biopsy method is 90.2%, and the rate of success in the thoracic cavity is 81.6%. Only 3 pneumothoraxes developed in 125 cases of thorax puncture using the multiple-hole needle.
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Qin et al. (1984) studied this question.
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