JP5678242B1 - 超音波処置システム - Google Patents
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- A61B2017/00181—Means for setting or varying the pulse energy
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00199—Electrical control of surgical instruments with a console, e.g. a control panel with a display
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
- A61B2017/320093—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing cutting operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
- A61B2017/320095—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw with sealing or cauterizing means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00607—Coagulation and cutting with the same instrument
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0803—Counting the number of times an instrument is used
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Abstract
Description
本発明の第1の実施形態について、図1乃至図5を参照して説明する。
なお、第1の変形例として図6に示すように、複数の(本変形例では3つの)超音波処置具であるハンドピース2a〜2cが、超音波処置制御ユニットである制御ユニット15に接続可能である。超音波処置を行う際には、制御ユニット15にハンドピース2a〜2cの中のある1つが接続される。制御ユニット15に接続されたハンドピース(2a〜2cの中の1つ)では、超音波振動子(21a〜21cの中の1つ)が供給制御部35に電気的に接続され、記憶部(36a〜36cの中の1つ)が情報読取部38に電気的に接続されている。
記
(付記項1)
電流が供給されることにより超音波振動を発生する超音波発生部と、発生した前記超音波振動を伝達する超音波伝達部と、を備える振動体ユニットの前記超音波振動による振動状態を制御する超音波処置制御ユニットであって、
前記振動体ユニットの製造時からの経過期間、及び、前記振動体ユニットの滅菌処理の度に行われる熱処理回数を読取る情報読取部と、
前記超音波振動によって前記振動体ユニットが最適の振動を行う状態での振幅を、目標振幅として設定する振幅設定部と、
前記経過期間及び前記熱処理回数の両方に基づいて、前記超音波振動が発生した場合の前記振動体ユニットの前記振幅と前記超音波発生部に供給される前記電流との関係を算出する算出部と、
前記算出部で算出された前記振動体ユニットの前記振幅と前記電流との前記関係に基づいて、前記振動体ユニットの前記振幅を前記目標振幅にする適合電流値に前記超音波発生部に供給する前記電流を設定する電流値設定部と、
前記適合電流値で前記電流が供給される状態に、前記超音波発生部への前記電流の供給を制御する供給制御部と、
を具備する超音波処置制御ユニット。
請求項1の超音波処置制御ユニットと、
前記超音波発生部と、前記超音波伝達部と、を備える前記振動体ユニットと、
を具備する超音波処置システム。
Claims (9)
- 電流が供給されることにより超音波振動を発生する超音波発生部と、発生した前記超音波振動を伝達する超音波伝達部と、を備える振動体ユニットと、
前記振動体ユニットの製造時からの経過期間、及び、前記振動体ユニットの滅菌処理の度に行われる熱処理回数を記憶する記憶部と、
前記経過期間及び前記熱処理回数の両方に基づいて、前記超音波振動が発生した場合の前記振動体ユニットの前記振幅と前記超音波発生部に供給される前記電流との関係を算出する算出部と、
前記算出部で算出された前記振動体ユニットの前記振幅と前記電流との前記関係に基づいて、前記振動体ユニットの前記振幅を最適の振動を行う状態での目標振幅にする適合電流値に、前記超音波発生部に供給する前記電流を設定する電流値設定部と、
前記適合電流値で前記電流が供給される状態に、前記超音波発生部への前記電流の供給を制御する供給制御部と、
を具備する超音波処置システム。 - 前記算出部は、前記経過期間及び前記熱処理回数の両方に対応させて、基準電流値の前記電流が供給された場合の前記振動体ユニットの前記振幅である仮振幅を算出するとともに、前記目標振幅に対する前記仮振幅の振幅変化率を算出し、
前記電流値設定部は、前記振幅変化率に基づいて、前記電流の前記適合電流値を設定する、
請求項1の超音波処置システム。 - 前記経過期間がゼロで、かつ、前記熱処理回数がゼロの状態を初期状態とした場合に、前記算出部は、前記初期状態での前記振動体ユニットの前記振幅を前記目標振幅にする前記電流の電流値を前記基準電流値として、前記仮振幅及び前記振幅変化率を算出する、請求項2の超音波処置システム。
- 前記算出部は、前記経過期間及び前記熱処理回数をパラメータとし、かつ、前記目標振幅より前記仮振幅が大きくなる関係式を用いて、前記仮振幅及び前記振幅変化率を算出し、
前記電流値設定部は、前記振幅変化率に基づいて、前記基準電流値より小さい前記適合電流値に設定する、
請求項3の超音波処置システム。 - 前記振動体ユニットは、互いに対して製造番号が異なる複数の振動体ユニットを備え、
前記供給制御部は、前記複数の振動体ユニットの中のある1つの前記振動体ユニットの前記超音波発生部に電気的に接続され、
前記超音波処置システムは、前記供給制御部に前記超音波発生部が接続される前記振動体ユニットの前記製造番号を検出する番号検出部を、さらに備え、
前記算出部は、検出された前記製造番号に対応させて、前記経過期間及び前記熱処理回数の両方に基づく前記振動体ユニットでの前記超音波振動の前記振幅と前記電流との前記関係を算出する、
請求項1の超音波処置システム。 - 前記記憶部は、基準となる基準日時を記憶し、
前記超音波処置システムは、
前記適合電流値への設定において、前記基準日時から所定の時間以上経過している場合に、前記熱処理回数を1回だけ加算する回数加算部と、
前記供給制御部から前記電流が供給される日時、及び、前記熱処理回数が加算される日時において、前記基準日時を更新する日時更新部と、
をさらに備える、
請求項1の超音波処置システム。 - 前記記憶部は、前記供給制御部から前記超音波発生部への前記電流の供給回数を記憶し、
前記回数加算部は、前記適合電流値への設定において、前記基準日時から所定の時間以上経過していないが、前記電流の前記供給回数が所定の回数を超えている場合に、前記熱処理回数を1回だけ加算し、
前記超音波処置システムは、前記熱処理回数が加算された場合に、前記電流の前記供給回数をゼロにリセットする回数リセット部を、さらに備える、
請求項6の超音波処置システム。 - 前記算出部は、前記適合電流値への設定において前記熱処理回数が加算された場合に、加算された前記熱処理回数を用いて、前記経過期間及び前記熱処理回数の両方に基づく前記振動体ユニットでの前記超音波振動の前記振幅と前記電流との前記関係を算出する、請求項7の超音波処置システム。
- 前記振動体ユニットは、長手軸に沿って延設され、
前記超音波発生部は、前記振動体ユニットの基端部に設けられ、
前記振動体ユニットは、先端部に処置部を備え、
前記超音波伝達部は、基端方向から先端方向へ前記長手軸に沿って前記超音波振動を伝達する、
請求項1の超音波処置システム。
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US201361818657P | 2013-05-02 | 2013-05-02 | |
US61/818,657 | 2013-05-02 | ||
PCT/JP2014/062141 WO2014178436A1 (ja) | 2013-05-02 | 2014-05-02 | 超音波処置システム |
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JP5678242B1 true JP5678242B1 (ja) | 2015-02-25 |
JPWO2014178436A1 JPWO2014178436A1 (ja) | 2017-02-23 |
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US (1) | US9439671B2 (ja) |
EP (1) | EP2992847B1 (ja) |
JP (1) | JP5678242B1 (ja) |
CN (1) | CN104883992B (ja) |
WO (1) | WO2014178436A1 (ja) |
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JPWO2014178436A1 (ja) | 2017-02-23 |
US9439671B2 (en) | 2016-09-13 |
EP2992847A1 (en) | 2016-03-09 |
EP2992847B1 (en) | 2017-08-30 |
WO2014178436A1 (ja) | 2014-11-06 |
CN104883992B (zh) | 2017-02-22 |
EP2992847A4 (en) | 2016-12-21 |
US20150201960A1 (en) | 2015-07-23 |
CN104883992A (zh) | 2015-09-02 |
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