RU2012145668A - Управление подачей мощности на основе импеданса для электрохирургии - Google Patents
Управление подачей мощности на основе импеданса для электрохирургии Download PDFInfo
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Abstract
1. Электрохирургическая система, содержащая:ВЧ-генератор, выполненный с возможностью подачи энергии через электрохирургическое устройство к целевой ткани в цикле сшивания, содержащем серию импульсов, причем серия начинается с начального импульса, имеющего профиль, содержащий заданное начальное значение уровня ВЧ-энергии, которое увеличивается с заданной скоростью линейного изменения до заданного конечного значения ВЧ-энергии; икомпаратор, выполненный с возможностью сравнения считанных значений импеданса целевой ткани с каждым из трех заданных пороговых значений импеданса, причем эти пороговые значения содержат пороговое значение импеданса для установочной точки ВЧ-энергии, пороговое значение импеданса для совокупного времени и пороговое значение импеданса для снижения энергии;в которой ВЧ-генератор дополнительно выполнен с возможностью управления подачей энергии во время цикла сшивания, реагируя на результат сравнения значений считанного импеданса с пороговыми значениями импеданса.2. Электрохирургическая система по п.1, в которой система выполнена с возможностью прекращения цикла сшивания, когда совокупное время для ткани, демонстрирующей значение импеданса, превышающее пороговое значение импеданса для совокупного времени, достигает заданного предела длительности цикла сшивания.3. Электрохирургическая система по п.1, в которой, когда считанное значение импеданса в конце предыдущего импульса меньше, чем пороговое значение импеданса для установочной точки ВЧ-энергии, система выполнена с возможностью управления подачей энергии в последующем импульсе, так что он имеет тот же самый профиль имп�
Claims (39)
1. Электрохирургическая система, содержащая:
ВЧ-генератор, выполненный с возможностью подачи энергии через электрохирургическое устройство к целевой ткани в цикле сшивания, содержащем серию импульсов, причем серия начинается с начального импульса, имеющего профиль, содержащий заданное начальное значение уровня ВЧ-энергии, которое увеличивается с заданной скоростью линейного изменения до заданного конечного значения ВЧ-энергии; и
компаратор, выполненный с возможностью сравнения считанных значений импеданса целевой ткани с каждым из трех заданных пороговых значений импеданса, причем эти пороговые значения содержат пороговое значение импеданса для установочной точки ВЧ-энергии, пороговое значение импеданса для совокупного времени и пороговое значение импеданса для снижения энергии;
в которой ВЧ-генератор дополнительно выполнен с возможностью управления подачей энергии во время цикла сшивания, реагируя на результат сравнения значений считанного импеданса с пороговыми значениями импеданса.
2. Электрохирургическая система по п.1, в которой система выполнена с возможностью прекращения цикла сшивания, когда совокупное время для ткани, демонстрирующей значение импеданса, превышающее пороговое значение импеданса для совокупного времени, достигает заданного предела длительности цикла сшивания.
3. Электрохирургическая система по п.1, в которой, когда считанное значение импеданса в конце предыдущего импульса меньше, чем пороговое значение импеданса для установочной точки ВЧ-энергии, система выполнена с возможностью управления подачей энергии в последующем импульсе, так что он имеет тот же самый профиль импульса, что и профиль начального импульса.
4. Электрохирургическая система по п.1, в которой когда считанное значение импеданса в конце предыдущего импульса превышает порог импеданса для установочной точки ВЧ-энергии, система дополнительно выполнена с возможностью управления подачей энергии в последующем импульсе, так что этот импульс имеет повышенный профиль.
5. Электрохирургическая система по п.4, в которой повышенный профиль последующего импульса содержит ступенчатое увеличение вначале импульса от начального значения ВЧ-энергии сразу к конечному значению ВЧ-энергии.
6. Электрохирургическая система по п.4, в которой повышенный профиль последующего импульса содержит по меньшей мере одно из повышенного начального значения ВЧ-энергии, повышенного конечного значения ВЧ-энергии, повышенной скорости линейного изменения от начального значения ВЧ-энергии к конечному значению ВЧ-энергии по сравнению с начальным значением ВЧ-энергии, конечным значением ВЧ-энергии и скоростью линейного изменения, соответственно, для предыдущего импульса.
7. Электрохирургическая система по п.1, в которой, когда считанный импеданс в любое время в течение импульса превышает порог импеданса для снижения энергии, система выполнена с возможностью снижения подачи энергии.
8. Электрохирургическая система по п.7, в которой снижение энергии содержит снижение начального значения ВЧ-энергии или снижение конечного значения ВЧ-энергии или снижение скорости линейного изменения от начального значения ВЧ-энергии к конечному значению ВЧ-энергии, по сравнению с начальным значением ВЧ-энергии, конечным значением ВЧ-энергии или скоростью линейного изменения, соответственно, для предыдущего импульса.
9. Электрохирургическая система по п.7, в которой снижение энергии содержит снижение количества энергии, подаваемой так, что в то время, когда считанный импеданс превышает порог импеданса для снижения энергии, подается ее долевая часть.
10. Электрохирургический способ содержащий этапы, на которых:
подают энергию от электрохирургического устройства к целевой ткани в цикле сшивания, содержащем серию импульсов, причем серия начинается с начального импульса, имеющего профиль, содержащий заданное начальное значение уровня ВЧ-энергии, которое увеличивается с заданной скоростью линейного изменения до заданного конечного значения ВЧ-энергии;
сравнивают считанные значения импеданса целевой ткани с каждым из трех заданных пороговых значений импеданса, причем эти пороговые значения содержат пороговое значение импеданса для установочной точки ВЧ-энергии, пороговое значение импеданса для совокупного времени и пороговое значение импеданса для снижения энергии;
управляют подачей энергии во время цикла сшивания, реагируя на результат сравнения значений считанного импеданса с пороговыми значениями импеданса.
11. Электрохирургический способ по п.10, в котором управление подачей энергии во время цикла сшивания путем реакции на результат сравнения считанных значений импеданса с пороговыми значениями импеданса содержит прекращение цикла сшивания, когда совокупное время для ткани, демонстрирующей значение импеданса, превышающее пороговое значение импеданса для совокупного времени, достигает заданного предела длительности цикла сшивания.
12. Электрохирургический способ по п.10, дополнительно содержащий регистрацию совокупного времени в пределах продолжающегося цикла сшивания, во время которого считанное значение импеданса ткани превышает пороговое значение импеданса для совокупного времени.
13. Электрохирургический способ по п.10, дополнительно содержащий отправку считанных значений импеданса ткани в процессор в течение каждого импульса, причем каждый импульс является предыдущим импульсом перед последующим импульсом, либо конечным импульсом.
14. Электрохирургический способ по п.10, в котором, когда считанное значение импеданса в конце предыдущего импульса меньше, чем пороговое значение импеданса для установочной точки ВЧ-энергии, способ дополнительно содержит управление подачей энергии в последующем импульсе, так что он имеет тот же самый профиль импульса, что и профиль начального импульса.
15. Электрохирургический способ по п.10, в котором, когда считанное значение импеданса в конце предыдущего импульса превышает порог импеданса для установочной точки ВЧ-энергии, способ дополнительно содержит управление подачей энергии в последующем импульсе, так что он имеет повышенный профиль.
16. Электрохирургический способ по п.15, в котором повышенный профиль последующего импульса содержит ступенчатое увеличение в начале импульса от начального значения ВЧ-энергии сразу к конечному значению ВЧ-энергии.
17. Электрохирургический способ по п.15, в котором повышенный профиль последующего импульса содержит по меньшей мере одно из увеличенного начального значения ВЧ-энергии, увеличенного конечного значения ВЧ-энергии и увеличенной скорости линейного изменения от начального значения ВЧ-энергии до конечного значения ВЧ-энергии по сравнению, соответственно, с начальным значением ВЧ-энергии, конечным значением ВЧ-энергии и скоростью линейного изменения предыдущего импульса.
18. Электрохирургический способ по п.10, в котором, когда считанный импеданс в любое время в течение импульса превышает порог импеданса для снижения энергии, способ дополнительно содержит снижение подачи энергии.
19. Электрохирургический способ по п.18, в котором снижение подачи энергии содержит незамедлительное снижение подачи энергии.
20. Электрохирургический способ по п.18, в котором снижение подачи энергии содержит ожидание истечения заданного совокупного времени, в течение которого считанный импеданс превышает порог импеданса для снижения энергии перед снижением подачи энергии.
21. Электрохирургический способ по п.18, в котором снижение подачи энергии содержит одно из уменьшения начального значения ВЧ-энергии, уменьшения конечного значения ВЧ-энергии или уменьшения скорости линейного изменения от начального значения ВЧ-энергии до конечного значения ВЧ-энергии по сравнению с начальным значением ВЧ-энергии, конечным значением ВЧ-энергии и скоростью линейного изменения, соответственно, предыдущего импульса.
22. Электрохирургический способ по п.18, в котором уменьшение подачи энергии содержит уменьшение подачи энергии на долю того количества, которое подается в текущее время.
23. Электрохирургический способ по п.22, в котором уменьшение величины подаваемой энергии содержит уменьшение подачи энергии на долю, соответствующую той доле, на которую считанный импеданс превышает порог импеданса для снижения энергии.
24. Электрохирургический способ по п.22, в котором уменьшение на долевое количество того количества энергии, которое подается, содержит непрерывное уменьшение количества энергии в реальном времени.
25. Электрохирургический способ по п.10, в котором каждый из импульсов имеет постоянную длительность в диапазоне от приблизительно 0,5 с до приблизительно 10 с.
26. Электрохирургический способ по п.10, в котором совокупное время до окончания сшивания находится между приблизительно 0,1 с и приблизительно 5 с.
27. Электрохирургический способ по п.10, в котором начальное значение ВЧ-энергии находится в диапазоне от приблизительно 25 Вт до приблизительно 150 Вт.
28. Электрохирургический способ по п.10, в котором конечное значение ВЧ-энергии находится в диапазоне от приблизительно 50 Вт до приблизительно 150 Вт.
29. Электрохирургический способ по п.10, в котором порог импеданса для установочной точки ВЧ-энергии находится в диапазоне от приблизительно 5 Ом до приблизительно 250 Ом.
30. Электрохирургический способ по п.10, в котором порог импеданса для значения снижения энергии находится в диапазоне от приблизительно 100 Ом до приблизительно 900 Ом.
31. Электрохирургический способ по п.10, в котором порог импеданса для значения совокупного времени находится в диапазоне от приблизительно 100 Ом до приблизительно 750 Ом.
32. Электрохирургический способ по п.10, в котором подаваемая энергия содержит увеличение уровня подаваемой энергии от заданного начального значения ВЧ-энергии до заданного конечного значения ВЧ-энергии во время импульса.
33. Электрохирургический способ, содержащий этапы, на которых:
подают энергию от электрохирургического устройства к месту целевой ткани в цикле сшивания, содержащем серию импульсов, причем каждый импульс имеет заданную длительность импульса, начинающуюся с начального импульса, имеющего начальный профиль импульса, содержащий заданное начальное значение уровня ВЧ-энергии, которое увеличивается до заданного конечного значения ВЧ-энергии в течение импульса;
считывают значения импеданса ткани в течение каждого импульса, причем каждый импульс является либо импульсом, предшествующим последующему импульсу, либо конечным импульсом;
управляют подачей энергии во время цикла сшивания, так что:
a. профиль последующего импульса относительно профиля предшествующего ему импульса имеет идентичный профиль или профиль повышенной энергии, в зависимости от результата сравнения значения импеданса, продемонстрированного тканью во время первого импульса, с заданным пороговым значением импеданса для установочной точки ВЧ-энергии,
b. энергия во время импульса уменьшается, когда считанное значение импеданса превышает заданное пороговое значение для снижения энергии; и
c. подача энергии прекращается, когда совокупное время, в течение которого считанный импеданс превышал заданное пороговое значение импеданса для совокупного времени, достигло заданного предела длительности цикла сшивания.
34. Электрохирургический способ по п.33, в котором:
когда считанное значение импеданса превышает заданное пороговое значение для установочной точки ВЧ-энергии, профиль энергии последующего импульса превышает профиль энергии предыдущего импульса, и
когда считанное значение импеданса меньше, чем заданное пороговое значение для установочной точки ВЧ-энергии, профиль энергии последующего импульса одинаков с профилем энергии предыдущего импульса.
35. Электрохирургический способ по п.33, в котором профиль энергии импульса содержит начальное значение ВЧ-энергии, конечное значение ВЧ-энергии и переходную фазу между начальным значением ВЧ-энергии и конечным значением ВЧ-энергии.
36. Электрохирургический способ по п.33, в котором пониженный профиль энергии импульса последующего импульса относительно предыдущего импульса содержит пониженное значение ВЧ-энергии или пониженное значение ВЧ-энергии или пониженную скорость перехода от начального значения ВЧ-энергии к конечному значению ВЧ-энергии.
37. Электрохирургический способ по п.33, в котором повышенный профиль энергии импульса последующего импульса относительно предыдущего импульса содержит повышенное начальное значение ВЧ-энергии или повышенное конечное значение ВЧ-энергии или более высокую скорость перехода от начального значения ВЧ-энергии к конечному значению ВЧ-энергии.
38. Электрохирургический способ по п.33, в котором переход от начального значения ВЧ-энергии к конечному значению ВЧ-энергии содержит наклонный переход или ступенчатый переход.
39. Электрохирургический способ, содержащий этапы, на которых:
подают энергию от электрохирургического устройства к целевой ткани в цикле сшивания, содержащем серию импульсов, причем каждый импульс имеет заданную длительность и серия начинается с начального импульса, имеющего профиль, содержащий заданное начальное значение уровня ВЧ-энергии, которое увеличивается с заданной скоростью линейного изменения до заданного конечного значения ВЧ-энергии;
считывают значения импеданса ткани по каждому импульсу, причем каждый импульс является либо импульсом, предшествующим последующему импульсу, либо конечным импульсом;
сравнивают считанные значения импеданса с каждым из трех заданных пороговых значений импеданса, причем эти пороговые значения содержат пороговое значение импеданса для установочной точки ВЧ-энергии, пороговое значение импеданса для совокупного времени и пороговое значение импеданса для снижения энергии;
управляют подачей энергии во время цикла сшивания, реагируя на результат сравнения значений считанного импеданса с пороговыми значениями импеданса, так что цикл сшивания прекращается, когда совокупное время для ткани, демонстрирующей значение импеданса, превышающее пороговое значение импеданса для совокупного времени, достигает заданного предела длительности цикла сшивания.
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2010
- 2010-10-19 US US12/907,646 patent/US8827992B2/en active Active
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2011
- 2011-03-25 WO PCT/US2011/029958 patent/WO2011119933A2/en active Application Filing
- 2011-03-25 CA CA2793961A patent/CA2793961A1/en not_active Abandoned
- 2011-03-25 CN CN201180009484.0A patent/CN102834069B/zh active Active
- 2011-03-25 MX MX2012008814A patent/MX2012008814A/es not_active Application Discontinuation
- 2011-03-25 AU AU2011230632A patent/AU2011230632A1/en not_active Abandoned
- 2011-03-25 EP EP11760294.6A patent/EP2552335B1/en active Active
- 2011-03-25 KR KR1020127021689A patent/KR101818784B1/ko active IP Right Grant
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- 2011-03-25 JP JP2013501509A patent/JP5883844B2/ja active Active
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- 2011-03-25 RU RU2012145668/14A patent/RU2012145668A/ru not_active Application Discontinuation
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US8827992B2 (en) | 2014-09-09 |
CA2793961A1 (en) | 2011-09-29 |
KR20130052534A (ko) | 2013-05-22 |
WO2011119933A2 (en) | 2011-09-29 |
BR112012021212A2 (pt) | 2016-05-17 |
CN102834069A (zh) | 2012-12-19 |
JP5883844B2 (ja) | 2016-03-15 |
KR101818784B1 (ko) | 2018-01-16 |
BR112012021212B1 (pt) | 2021-07-13 |
JP2013523219A (ja) | 2013-06-17 |
EP2552335A2 (en) | 2013-02-06 |
CN102834069B (zh) | 2015-11-25 |
AU2011230632A1 (en) | 2012-08-16 |
WO2011119933A3 (en) | 2012-03-01 |
EP2552335A4 (en) | 2013-11-27 |
ES2562269T3 (es) | 2016-03-03 |
MX2012008814A (es) | 2012-09-28 |
EP2552335B1 (en) | 2016-01-13 |
US20110238056A1 (en) | 2011-09-29 |
US10130411B2 (en) | 2018-11-20 |
US20150025529A1 (en) | 2015-01-22 |
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