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    • 4. 发明授权
    • Device and method for delivery of agents to the female reproductive tract
    • 将药剂运送到女性生殖道的装置和方法
    • US06773418B1
    • 2004-08-10
    • US09377012
    • 1999-08-18
    • James S. SharrowThomas G. AdelmanFrederick J. Foley
    • James S. SharrowThomas G. AdelmanFrederick J. Foley
    • A61M532
    • A61M3/027A61M2210/1433
    • A device and method for delivering an agent to the uterine cervix make use of a seal member that defines a chamber upon engagement with the cervix. An agent delivery port in fluid communication with the chamber is provided for delivery of the agent to the uterine cervix. A vacuum port in fluid communication with the chamber allows application and retention of vacuum pressure to the chamber. At least a portion of the seal member can be made deformable in response to contact with the outer surface of the uterine cervix and application of vacuum pressure. Upon deformation, the seal member substantially seals the chamber against leakage of the agent. The seal member may include a skirt-like member that promotes adhesion of the seal member to the cervix, and enhances the effectiveness of the seal. The device facilitates vacuum application, cervical fixation, and a resulting barrier against uterine fluid leakage, providing an atraumatic, temporary cervical plug that remains effective while the vacuum is applied. In this manner, the device is capable of improving diagnostic or therapeutic effectiveness while reducing waste and expense. The device and method also can be adapted for introduction of surgical or diagnostic instruments, such as ablation catheters or endoscopes.
    • 用于将药剂递送到子宫颈的装置和方法利用在与子宫颈接合时限定腔室的密封构件。 提供与腔室流体连通的药剂输送口用于将药剂递送到子宫颈。 与腔室流体连通的真空口允许将真空压力施加并保持到腔室。 密封构件的至少一部分可以响应于与子宫颈的外表面接触并施加真空压力而变形。 在变形时,密封构件基本上密封室以防止试剂泄漏。 密封构件可以包括促进密封构件与子宫颈粘合的裙状构件,并且提高密封的有效性。 该装置有助于真空应用,颈部固定以及抵抗子宫液体泄漏的屏障,从而提供在施加真空时保持有效的无创伤的临时子宫颈塞。 以这种方式,该装置能够提高诊断或治疗效果,同时减少浪费和费用。 该装置和方法还可适用于引入外科或诊断仪器,例如消融导管或内窥镜。