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    • 9. 发明授权
    • Method and device for tissue removal and for delivery of a therapeutic agent or bulking agent
    • 用于组织去除和用于递送治疗剂或填充剂的方法和装置
    • US08517994B2
    • 2013-08-27
    • US12893168
    • 2010-09-29
    • Jianmin LiWeenna Bucay-Couto
    • Jianmin LiWeenna Bucay-Couto
    • A61M5/178A61M37/00A61M5/32A61M31/00A61B17/20A61B17/32
    • A61M37/00A61B10/0241A61B17/22A61B17/32002A61B2017/00274A61B2017/00685A61B2017/320775A61B2018/00547
    • According to an aspect of the present invention, a medical device is provided, which comprises the following: (a) a hollow elongate body (e.g., an elongate cylinder, such as a needle) having distal and proximal ends; and (b) a rotatable member comprising a tissue morselizer and an elongate shaft (e.g., an auger-like tissue-drilling bit). The device (i) advance material (e.g., morselated tissue) toward the proximal end of the hollow elongate body when the shaft is rotated in a first direction, and (ii) advance material (e.g., a therapeutic agent and/or a bulking agent) toward the distal end of the hollow elongate body when the shaft is rotated in a second direction that is opposite the first direction. The invention also provides a method of treatment for morselizing and removing tissue from within the patient and creating a void within the patient and introducing a therapeutic agent and/or a bulking agent into the void.
    • 根据本发明的一个方面,提供一种医疗装置,其包括:(a)具有远端和近端的中空细长体(例如细长圆柱体,例如针头); 和(b)可旋转构件,其包括组织修整器和细长轴(例如,螺旋状组织钻头)。 当所述轴沿第一方向旋转时,所述装置(i)朝着所述中空细长主体的近端向前推进材料(例如,组织),和(ii)推进材料(例如,治疗剂和/或填充剂 )当所述轴沿与第一方向相反的第二方向旋转时朝向所述中空细长体的远端。 本发明还提供了一种治疗方法,用于从患者内部进行细胞破碎和去除组织,并在患者体内产生空洞并将治疗剂和/或填充剂引入空隙中。