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Systems, methods, and computer-readable media for controlling ablation energy delivery

An energy delivery and energy technology that can be used in surgical system user interfaces, applications, components of surgical instruments, etc., to solve problems such as bleeding, rupture of diseased tissue-transporting vascular structures, and reduced efficacy of procedures.

Pending Publication Date: 2021-03-26
COVIDIEN LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, large cavitations can cause distortions in the energy field and thus in the shape or size of the ablation zone, which can reduce the efficacy of the procedure
Macrocavitation can also result in transport of diseased tissue to the outside of the distribution of heat or ablation or rupture of vascular structures, which can lead to hemorrhage

Method used

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  • Systems, methods, and computer-readable media for controlling ablation energy delivery
  • Systems, methods, and computer-readable media for controlling ablation energy delivery
  • Systems, methods, and computer-readable media for controlling ablation energy delivery

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Embodiment Construction

[0032] The present disclosure relates to systems, methods and computer readable media for controlling ablation energy delivery. In one aspect, the systems, methods, and computer-readable media of the present disclosure provide an energy delivery algorithm and user interface that maximizes ablation zone predictability, simplifies user configuration of the ablation system, and minimizes Sudden phase transitions of physiological fluids during chemical energy delivery. According to various embodiments, the systems, methods, and computer-readable media of the present disclosure facilitate controlling and / or reducing the rate of change of tissue temperature with respect to time, for example, during an initial portion of an ablation cycle. Controlling or reducing the rate of change of tissue temperature with respect to time allows the fluid to move peripherally away from the ablation tool before undergoing a phase change. By "pushing away" the water or "drying" the tissue near the a...

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Abstract

A method for controlling microwave ablation energy delivery, disclosed by the present invention, includes receiving a setting entered via a user interface. An energy delivery profile is generated based on the setting, with the energy delivery profile defining an energy delivery amount adjustment to be made based at least in part on an elapsing of an amount of time relative to a reference point. Energy is delivered according to the energy delivery profile, with an amount of energy being delivered being adjusted based on the energy delivery amount adjustment when the amount of time relative to the reference point has elapsed.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of the filing date of U.S. Provisional Patent Application No. 62 / 717,038, filed August 10, 2018. technical field [0003] The present disclosure relates to tissue ablation. More specifically, the present disclosure describes systems, methods, and computer readable media for controlling ablation energy delivery. Background technique [0004] Heating tissue with a thermal ablation tool can cause a sudden phase change of physiological water from a liquid to a gas. These phase transitions can result in small to large cavitations in the tissue surrounding the ablation tool. Large cavitations can have detrimental effects on procedure results. For example, large cavitations can lead to distortions in the energy field, and thus in the shape or size of the ablation zone, which can reduce the efficacy of the procedure. Macrocavitation can also result in transport of diseased tissue to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/14A61B8/08
CPCA61B18/1482A61B2018/00577A61B2018/00642A61B2018/00702A61B2018/00761A61B8/0841A61B2018/00529A61B2018/00541A61B2018/00511A61B2018/00994A61B2018/0072A61B34/25A61B18/00A61B18/1815A61B2018/00708
Inventor J·D·布兰南
Owner COVIDIEN LP
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