Sterilizable indwelling catheters

    公开(公告)号:US10603393B2

    公开(公告)日:2020-03-31

    申请号:US14051783

    申请日:2013-10-11

    Abstract: According to an aspect of the invention, an indwelling catheter is provided which comprises a catheter shaft. The catheter either comprises a light source or is adapted to receive light from a light source, and is configured such that light is transmitted from the light source into the catheter shaft. Moreover, the catheter shaft is formed of a polymeric material that transmits a quantity of light from the light source that is effective to inactivate microorganisms on a surface of the catheter shaft upon activation of the light source. For example, the light may inactivate the microorganisms directly or in conjunction with a photosensitizer. According to another aspect of the invention, a sterilization method is provided, which comprises activating the light source while the catheter is inserted in a subject.

    STERILIZABLE INDWELLING CATHETERS
    4.
    发明申请
    STERILIZABLE INDWELLING CATHETERS 审中-公开
    无菌绝缘导管

    公开(公告)号:US20140039418A1

    公开(公告)日:2014-02-06

    申请号:US14051783

    申请日:2013-10-11

    Abstract: According to an aspect of the invention, an indwelling catheter is provided which comprises a catheter shaft. The catheter either comprises a light source or is adapted to receive light from a light source, and is configured such that light is transmitted from the light source into the catheter shaft. Moreover, the catheter shaft is formed of a polymeric material that transmits a quantity of light from the light source that is effective to inactivate microorganisms on a surface of the catheter shaft upon activation of the light source. For example, the light may inactivate the microorganisms directly or in conjunction with a photosensitizer. According to another aspect of the invention, a sterilization method is provided, which comprises activating the light source while the catheter is inserted in a subject.

    Abstract translation: 根据本发明的一个方面,提供了一种留置导管,其包括导管轴。 导管包括光源或适于接收来自光源的光,并且被配置为使得光从光源传输到导管轴。 此外,导管轴由聚合物材料形成,该聚合物材料在光源激活时透射来自光源的一定量的光,其有效地使导管轴表面上的微生物灭活。 例如,光可以直接或与光敏剂结合灭活微生物。 根据本发明的另一方面,提供一种杀菌方法,其包括在将导管插入受试者时激活光源。

    Snare with loop made of heat shrinkable shape memory material and method of use thereof

    公开(公告)号:US09827008B2

    公开(公告)日:2017-11-28

    申请号:US14921370

    申请日:2015-10-23

    CPC classification number: A61B17/32056 A61B2017/00867 A61B2017/00871

    Abstract: A tissue snare comprises an elongated member having a distal end and a loop formed of a shape memory material, the loop including a tissue receiving interior opening and being connected to the distal end of the elongated member, properties of the shape memory material being selected so that, when a temperature of the loop exceeds a critical temperature thereof, the loop constricts from an expanded state to a constricted state. A method of treating tissue comprises placing a loop of a snare around a portion of tissue to be treated while the loop is in an expanded configuration, the loop being formed of a shape memory material having a critical temperature so that, when a temperature of the loop is above the critical temperature, the loop transitions from the expanded configuration to a constricted configuration in combination with transitioning, after the loop has been placed around the portion of tissue to be treated, the loop from the expanded configuration to the constricted configuration to tighten the loop around the portion of tissue to be treated.

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