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    • 5. 发明申请
    • END EFFECTOR COATINGS FOR ELECTROSURGICAL INSTRUMENTS
    • 电磁力仪器的末端效应涂层
    • US20080077131A1
    • 2008-03-27
    • US11534326
    • 2006-09-22
    • David C. YatesPhilip Q. ShusterKenneth V. MoranChester O. BaxterDavid A. WittJames R. GiordanoJesse J. Kuhns
    • David C. YatesPhilip Q. ShusterKenneth V. MoranChester O. BaxterDavid A. WittJames R. GiordanoJesse J. Kuhns
    • A61B18/14
    • A61B18/1445A61B17/068A61B17/07207A61B2017/320052A61B2018/00083A61B2018/00107A61B2018/1412A61B2018/1455
    • An electrosurgical stapling instrument includes an end effector capable of applying bipolar RF energy into tissue. The end effector has a first pole electrode and a second pole electrode for forming an RF contact circuit with tissue. At least one of the electrodes may have a dielectric coating thereon to create a RF circuit with tissue. The dielectric coating can cover one of the electrodes to create a capacitive coupling circuit with tissue, or can have at least one open passageway extending through the dielectric coating to enable tissue contact with the electrode and the passage of RF energy therethrough. The dielectric coating on the electrode can be masked to create passageways through the dielectric, or the dielectric coating can be locally removed with a variety of techniques to form passageways. The dielectric coating may provide a barrier to prevent shorting between the dielectrically coated electrode and a conductive fastener embedded within tissue. Alternately, a cartridge coating can be used to reduce an electric surface sheet charge on the cartridge thermoplastic that can occur during the application of RF energy to tissue.
    • 电外科缝合器械包括能够将双极RF能量施加到组织中的末端执行器。 端部执行器具有用于与组织形成RF接触电路的第一极电极和第二极电极。 电极中的至少一个可以在其上具有介电涂层以产生具有组织的RF电路。 电介质涂层可以覆盖电极之一以产生具有组织的电容耦合电路,或者可以具有延伸穿过电介质涂层的至少一个开放通道,以使得能够组织与电极接触并通过RF能量的通过。 可以对电极上的电介质涂层进行掩模以形成通过电介质的通道,或者可以用各种技术局部地去除电介质涂层以形成通道。 电介质涂层可以提供屏障,以防止介电涂覆的电极与嵌入组织内的导电紧固件之间的短路。 或者,可以使用盒式涂层来减少在将能量应用于组织期间可能发生的盒式热塑性塑料上的电表面片材电荷。
    • 7. 发明授权
    • End effector coatings for electrosurgical instruments
    • 电外科器械的末端执行器涂层
    • US07780663B2
    • 2010-08-24
    • US11534326
    • 2006-09-22
    • David C. YatesPhillip Q. ShusterKenneth V. MoranChester O. Baxter, IIIDavid A. WittJames R. GiordanoJesse J. Kuhns
    • David C. YatesPhillip Q. ShusterKenneth V. MoranChester O. Baxter, IIIDavid A. WittJames R. GiordanoJesse J. Kuhns
    • A61B18/18A61B17/08
    • A61B18/1445A61B17/068A61B17/07207A61B2017/320052A61B2018/00083A61B2018/00107A61B2018/1412A61B2018/1455
    • An electrosurgical stapling instrument includes an end effector capable of applying bipolar RF energy into tissue. The end effector has a first pole electrode and a second pole electrode for forming an RF contact circuit with tissue. At least one of the electrodes may have a dielectric coating thereon to create a RF circuit with tissue. The dielectric coating can cover one of the electrodes to create a capacitive coupling circuit with tissue, or can have at least one open passageway extending through the dielectric coating to enable tissue contact with the electrode and the passage of RF energy therethrough. The dielectric coating on the electrode can be masked to create passageways through the dielectric, or the dielectric coating can be locally removed with a variety of techniques to form passageways. The dielectric coating may provide a barrier to prevent shorting between the dielectrically coated electrode and a conductive fastener embedded within tissue. Alternately, a cartridge coating can be used to reduce an electric surface sheet charge on the cartridge thermoplastic that can occur during the application of RF energy to tissue.
    • 电外科缝合器械包括能够将双极RF能量施加到组织中的末端执行器。 端部执行器具有用于与组织形成RF接触电路的第一极电极和第二极电极。 电极中的至少一个可以在其上具有介电涂层以产生具有组织的RF电路。 电介质涂层可以覆盖电极之一以产生具有组织的电容耦合电路,或者可以具有延伸穿过电介质涂层的至少一个开放通道,以使得能够组织与电极接触并通过RF能量的通过。 可以对电极上的电介质涂层进行掩模以形成通过电介质的通道,或者可以用各种技术局部地去除电介质涂层以形成通道。 电介质涂层可以提供屏障,以防止介电涂覆的电极与嵌入组织内的导电紧固件之间的短路。 或者,可以使用盒式涂层来减少在将能量应用于组织期间可能发生的盒式热塑性塑料上的电表面片材电荷。