本发明涉及一种剑式体腔穿刺置管器，属于医疗救护领域。
The invention relates to a sword-type coelocentesis catheterization device, and belongs to the field of medical aid.
本发明涉及一种便于管子前进穿过体腔的复杂通道的管心针装置。
The present invention is directed to a stylet device to allow easy advancement of a tube through complex passages of body cavities.
本发明涉及一种便于管子前进穿过体腔的复杂通道的管心针装置。
The present invention is directed to a stylet device to allow easy advancement of a tube through complex passages of body cavities.
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