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JP-7855626-B2 - Electrosurgical System

JP7855626B2JP 7855626 B2JP7855626 B2JP 7855626B2JP-7855626-B2

Inventors

  • エリオット パトリック
  • ティベリア ロウ
  • ウィトロック マイケル
  • ロガン マイケル
  • ゴリン イゴール
  • ハドソン ケヴィン
  • ジェイコブス ハンク
  • マシューズ トーマス
  • ジョンソン ゲイリー
  • グェン デュイ
  • マクファーランド ダニエル
  • サバラド ジャグディシュ
  • リンヴィル－エングラー ベンジャミン
  • アルブレヒト ジェレミー
  • デュラン ダン
  • コワルスキー ジェリー

Assignees

  • アプライド メディカル リソーシーズ コーポレイション

Dates

Publication Date
20260508
Application Date
20240416
Priority Date
20140516

Claims (18)

  1. It is an electrosurgical system, Equipped with an electrosurgical instrument configured to grasp tissue and melt it using radio frequency (RF) energy , The aforementioned electrosurgical instrument is A first jaw having a first electrode, A second jaw having a second electrode opposite to the first electrode, wherein the first and second electrodes are configured to conduct the RF energy between the first and second electrodes, and the first and second jaws are positioned at the distal end of the electrosurgical instrument such that the first jaw is movable relative to the second jaw, the second jaw including a conductive post that is stationary relative to the second jaw, having an upper portion extending from the upper surface of the second jaw and a lower portion disposed within an insulating material in the second jaw, the insulating material separating the lower portion of the conductive post from the conductive material in the second jaw, The second jaw further comprises a channel, and the electrosurgical instrument further comprises a blade movable within the channel of the second jaw along the longitudinal axis, the blade being movable from a proximal position to a distal position and back to the proximal position. The electrosurgical system further includes, The electrosurgical device comprises an electrosurgical generator that is detachably connected to the electrosurgical instrument and configured to supply the RF energy only to the first and second electrodes and not to the conductive post, system.
  2. The system according to claim 1, wherein the first electrode, the second electrode, the conductive post, and the blade are made of the same conductive material.
  3. The system according to claim 2, wherein the entire surface of the first jaw facing the second jaw is smooth and flat, and the entire surface is free from recesses or pockets .
  4. The system according to claim 3, wherein the electrosurgical instrument further comprises an actuator accessible to the user and positioned to move a blade along its longitudinal axis.
  5. The system according to claim 4, wherein the electrosurgical generator is configured not to supply RF energy to the blade.
  6. The system according to claim 5, wherein the electrosurgical instrument further comprises a switch that supplies RF energy to the electrosurgical generator.
  7. The system according to claim 6, further comprising a control device arranged to record the usage status of both the electrosurgical instrument and the electrosurgical generator.
  8. The system according to claim 7, wherein the conductive post is fixed to the second jaw by a thermoplastic material.
  9. The system according to claim 8 , wherein the conductive post has a flat upper non-traumatic surface.
  10. The system according to claim 1, 2, or 9 , wherein the conductive post is positioned between the distal end and the intermediate portion of the second jaw.
  11. The system according to claim 10 , further comprising a second conductive post positioned between the proximal end and the intermediate portion of the second jaw.
  12. The system according to claim 11 , further comprising a third conductive post disposed between the conductive post and the second conductive post.
  13. The system according to claim 1, 2, or 9, wherein the conductive posts include a plurality of conductive posts having varying heights, and the plurality of conductive posts include a distal conductive post having a height greater than the height of the most proximal conductive post.
  14. The electrosurgical generator is configured to receive script information from the electrosurgical instrument when the electrosurgical instrument is connected to the electrosurgical generator, and the script information defines a state and the sequence of transitions between states . The system according to claim 1, 2, or 9, wherein the states include a system state and a user state, in which a predefined operation of the electrosurgical generator is performed, and in which a framework is provided for establishing customized operations and values for a particular electrosurgical instrument in the user state .
  15. The system according to claim 14 , wherein for each user state , a power, voltage, or current setting value for the electrosurgical generator is determined or carried over from the state before transitioning to the current state .
  16. The system according to claim 15 , wherein the script information provides termination conditions for a system state, instructions to transition to another state, and instructions to transition to a user state.
  17. The system according to claim 1, 2, or 6, wherein the electrosurgical generator comprises a control device including an action engine configured to enable the generator to be configured to correspond to a plurality of action plans and electrosurgical instruments, the action engine being configured to receive and interpret data from an external source and to specifically configure the operation of the generator based on the received data.
  18. The system according to claim 1, 2, or 6, wherein the electrosurgical generator includes a control device that includes an operating engine configured to receive configuration data from an instrument script database file read from a memory device, check for errors in the instrument script database , and start script execution .

Description

This invention generally relates to electrosurgical (electrooperative) systems and methods, and more particularly to electrosurgical generators and novel bipolar electrosurgical instruments or devices. [Explanation of related applications] This application is a claim application relating to U.S. Provisional Patent Application No. 61/994,192, U.S. Provisional Patent Application No. 61/994,185, U.S. Provisional Patent Application No. 61/994,415, and U.S. Provisional Patent Application No. 61/994,215, filed on 16 May 2014, which are incorporated herein by reference and whose entire disclosures constitute part of this specification. Electrosurgical instruments that use electrical energy to perform certain surgical tasks have become available. Typically, electrosurgical instruments are handheld tools, such as grippers, scissors, forceps, blades, needles, and other handheld tools, that include one or more electrodes configured to receive electrical energy from an electrosurgical unit that includes a power source. The electrical energy can be used to coagulate, melt, or cut the tissue to which the electrical energy is applied. Electrosurgical instruments typically belong to two main classifications: monopolar and bipolar. In monopolar instruments, electrical energy is supplied at a high current density to one or more electrodes, while a separate return electrode is electrically coupled to the patient. This return electrode is often designed to minimize current density. While monopolar electrosurgical instruments may be useful in certain procedures, they can pose a risk of trauma to certain types of patients, such as electrical burns, often due to the function of the return electrode, at least partially. In bipolar electrosurgical instruments, one or more electrodes are electrically coupled to a first-polarity electrical energy source, and one or more other electrodes are electrically coupled to a second-polarity electrical energy source opposite to the first. Thus, bipolar electrosurgical instruments, operating without a separate return electrode, can deliver concentrated electrical signals to targeted tissue areas with reduced risk. However, even when the surgical effect of bipolar electrosurgical instruments is relatively concentrated, surgical outcomes often depend heavily on the surgeon's skill. For example, if electrical energy is delivered for a relatively long period of time, or if a relatively high-power electrical signal is delivered for a short period, thermal tissue damage and necrosis may occur. The rate at which tissue achieves the desired coagulation or cutting effect when electrical energy is applied varies depending on the type of tissue and, furthermore, on the pressure applied to the tissue by the electrosurgical instrument. However, even highly experienced surgeons may find it difficult to assess how quickly a desired amount of tissue mass of a combined state, grasped by an electrosurgical instrument, can be melted. This is a perspective view of an electrosurgical system according to various embodiments of the present invention.This is a perspective view of an electrosurgical generator as one of various embodiments of the present invention.This flowchart illustrates the various operations of an electrosurgical system as an embodiment of the present invention.This is a schematic block diagram of an embodiment of an electrosurgical system.This is a schematic block diagram of an embodiment of an electrosurgical system.This is a schematic block diagram of the components of an electrosurgical system as one embodiment of the present invention.This is a schematic block diagram of the components of an electrosurgical system as one embodiment of the present invention.This is a schematic block diagram of the components of an electrosurgical system as one embodiment of the present invention.This is a schematic block diagram of the components of an electrosurgical system as one embodiment of the present invention.This is a schematic block diagram of the components of an electrosurgical system as one embodiment of the present invention.This is a schematic block diagram of parts of an electrosurgical system as another embodiment of the present invention.This is a schematic block diagram of the components of an electrosurgical system as one embodiment of the present invention.This is a signal diagram illustrating the operation of an electrosurgical system as another embodiment of the present invention.This is a schematic block diagram of parts of an electrosurgical system as another embodiment of the present invention.This is a signal diagram illustrating the operation of an electrosurgical system as another embodiment of the present invention.This is a signal diagram illustrating the operation of an electrosurgical system as another embodiment of the present invention.This is a signal diagram illustrating the operation of an electrosurgical system as another embodiment of the present invention.This is a signa