RU2010152701A - Калибровочная система для катетеров, чувствительных к давлению - Google Patents
Калибровочная система для катетеров, чувствительных к давлению Download PDFInfo
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- RU2010152701A RU2010152701A RU2010152701/14A RU2010152701A RU2010152701A RU 2010152701 A RU2010152701 A RU 2010152701A RU 2010152701/14 A RU2010152701/14 A RU 2010152701/14A RU 2010152701 A RU2010152701 A RU 2010152701A RU 2010152701 A RU2010152701 A RU 2010152701A
- Authority
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- Prior art keywords
- probe
- latch
- distal tip
- measurements
- calibration
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
- G01D18/001—Calibrating encoders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1495—Calibrating or testing of in-vivo probes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6885—Monitoring or controlling sensor contact pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
1. Устройство для калибровки, содержащее: ! фиксатор для приема зонда, присоединенный так, чтобы дистальный наконечник зонда прижимался к точке в фиксаторе и обеспечивал первые измерения, чувствительные к деформации дистального наконечника относительно дистального конца зонда в ответ на давление, приложенное на дистальный наконечник; ! чувствительное устройство, соединенное с фиксатором и выполненное с возможностью обеспечивать вторые измерения механической силы, приложенной дистальным наконечником к точке фиксатора; и ! процессор для калибровки, выполненный с возможностью приема первых измерений с зонда, приема вторых измерений с чувствительного устройства и вычисления на основе первых и вторых измерений одного или более калибровочных коэффициентов для оценки давления как функции первых измерений. ! 2. Устройство по п.1, в котором фиксатор присоединен так, чтобы прижимать зонд под одним или более заданными углами к указанной точке; при этом процессор для калибровки выполнен с возможностью вычисления калибровочных коэффициентов как функции заданных углов. ! 3. Устройство по п.2, содержащее закрывающий фиксатор колпак с множеством входных отверстий, выполненных для направления зонда к указанной точке фиксатора под заданными углами. ! 4. Устройство по п.2, содержащее держатель дистального конца, направляющую, соединенную с держателем и выполненную с возможностью размещения держателя под множеством углов относительно указанной точки фиксатора, и подъемное устройство для подъема фиксатора, которое позволяет прижать дистальный наконечник к указанной точке фиксатора. ! 5. Устройство по п.2, содержащее устр
Claims (19)
1. Устройство для калибровки, содержащее:
фиксатор для приема зонда, присоединенный так, чтобы дистальный наконечник зонда прижимался к точке в фиксаторе и обеспечивал первые измерения, чувствительные к деформации дистального наконечника относительно дистального конца зонда в ответ на давление, приложенное на дистальный наконечник;
чувствительное устройство, соединенное с фиксатором и выполненное с возможностью обеспечивать вторые измерения механической силы, приложенной дистальным наконечником к точке фиксатора; и
процессор для калибровки, выполненный с возможностью приема первых измерений с зонда, приема вторых измерений с чувствительного устройства и вычисления на основе первых и вторых измерений одного или более калибровочных коэффициентов для оценки давления как функции первых измерений.
2. Устройство по п.1, в котором фиксатор присоединен так, чтобы прижимать зонд под одним или более заданными углами к указанной точке; при этом процессор для калибровки выполнен с возможностью вычисления калибровочных коэффициентов как функции заданных углов.
3. Устройство по п.2, содержащее закрывающий фиксатор колпак с множеством входных отверстий, выполненных для направления зонда к указанной точке фиксатора под заданными углами.
4. Устройство по п.2, содержащее держатель дистального конца, направляющую, соединенную с держателем и выполненную с возможностью размещения держателя под множеством углов относительно указанной точки фиксатора, и подъемное устройство для подъема фиксатора, которое позволяет прижать дистальный наконечник к указанной точке фиксатора.
5. Устройство по п.2, содержащее устройство ввода, соединенное с процессором для калибровки и предназначенное для приема заданных углов.
6. Устройство по п.1, в котором фиксатор имеет воронкообразный колпачок.
7. Устройство по п.1, в котором фиксатор удерживает зонд в жидкости с регулируемой температурой.
8. Устройство по п.1, в котором чувствительное устройство имеет датчик нагрузки.
9. Устройство по п.1, в котором процессор для калибровки выполнен с возможностью сохранения калибровочных коэффициентов в памяти, присоединенной к зонду.
10. Устройство по п.9, в котором память содержит энергонезависимую память E2PROM.
11. Способ калибровки, включающий:
введение зонда с дистальным наконечником в фиксатор и прижатие дистального наконечника к точке фиксатора так, чтобы вызвать деформацию дистального наконечника относительно дистального конца зонда в ответ на давление, приложенное к дистальному наконечнику;
прием с зонда первых измерений, указывающих на деформацию;
прием с чувствительного устройства, соединенного с фиксатором, вторых измерений, указывающих на механическую силу, приложенную дистальным наконечником к указанной точке; и
вычисление на основе первых и вторых измерений одного или более калибровочных коэффициентов для оценки давления как функции первых измерений.
12. Способ по п.11, в котором введение зонда содержит прижимание к указанной точке фиксатора под заданными углами, и вычисление калибровочных коэффициентов содержит вычисление калибровочных коэффициентов функции как функции указанных углов.
13. Способ по п.12, в котором введение зонда содержит помещение зонда в одно из множества входных отверстий колпака, накрывающего фиксатор, так чтобы направить зонд под заданными углами относительно указанной точки фиксатора.
14. Способ по п.12, в котором введение зонда содержит удерживание зонда в держателе, соединенном с направляющей, так чтобы расположить держатель под одним из множества углов относительно указанной точки фиксатора, и подъем фиксатора, для того чтобы дистальный наконечник прижимался к указанной точке фиксатора.
15. Способ по п.11, в котором фиксатор содержит воронкообразный колпачок.
16. Способ по п.11, в котором зонд удерживается в фиксаторе в жидкости с регулируемой температурой.
17. Способ по п.11, в котором чувствительное устройство имеет датчик нагрузки.
18. Способ по п.11, содержащий сохранение калибровочных коэффициентов в памяти, присоединенной к зонду.
19. Способ по п.18, в котором память имеет E2PROM.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/646,242 US8521462B2 (en) | 2009-12-23 | 2009-12-23 | Calibration system for a pressure-sensitive catheter |
US12/646,242 | 2009-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2010152701A true RU2010152701A (ru) | 2012-06-27 |
RU2578655C2 RU2578655C2 (ru) | 2016-03-27 |
Family
ID=43708703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2010152701/14A RU2578655C2 (ru) | 2009-12-23 | 2010-12-22 | Калибровочная система для катетеров, чувстивительных к давлению |
Country Status (10)
Country | Link |
---|---|
US (2) | US8521462B2 (ru) |
EP (1) | EP2338411B1 (ru) |
JP (1) | JP5722023B2 (ru) |
CN (1) | CN102160820B (ru) |
AU (1) | AU2010241467B2 (ru) |
CA (1) | CA2722997C (ru) |
DK (1) | DK2338411T3 (ru) |
ES (1) | ES2448366T3 (ru) |
IL (1) | IL209449A (ru) |
RU (1) | RU2578655C2 (ru) |
Cited By (1)
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RU2655294C2 (ru) * | 2012-12-31 | 2018-05-24 | Байосенс Вебстер (Изрэйл) Лтд. | Катетер с последовательно соединенными сенсорными структурами и способы калибровки и обнаружения |
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US8333103B2 (en) | 2011-03-30 | 2012-12-18 | Biosense Webster (Israel), Ltd. | Calibration of a force measuring system for large bend angles of a catheter |
US8523787B2 (en) | 2011-06-03 | 2013-09-03 | Biosense Webster (Israel), Ltd. | Detection of tenting |
US20120316407A1 (en) | 2011-06-12 | 2012-12-13 | Anthony Brian W | Sonographer fatigue monitoring |
US20130018306A1 (en) | 2011-07-13 | 2013-01-17 | Doron Moshe Ludwin | System for indicating catheter deflection |
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2009
- 2009-12-23 US US12/646,242 patent/US8521462B2/en active Active
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2010
- 2010-11-16 AU AU2010241467A patent/AU2010241467B2/en not_active Ceased
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- 2010-11-30 CA CA2722997A patent/CA2722997C/en not_active Expired - Fee Related
- 2010-12-22 EP EP10252191.1A patent/EP2338411B1/en active Active
- 2010-12-22 ES ES10252191.1T patent/ES2448366T3/es active Active
- 2010-12-22 JP JP2010285639A patent/JP5722023B2/ja active Active
- 2010-12-22 DK DK10252191.1T patent/DK2338411T3/da active
- 2010-12-22 RU RU2010152701/14A patent/RU2578655C2/ru not_active IP Right Cessation
- 2010-12-23 CN CN201010623268.2A patent/CN102160820B/zh active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2655294C2 (ru) * | 2012-12-31 | 2018-05-24 | Байосенс Вебстер (Изрэйл) Лтд. | Катетер с последовательно соединенными сенсорными структурами и способы калибровки и обнаружения |
Also Published As
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US8521462B2 (en) | 2013-08-27 |
JP2011131059A (ja) | 2011-07-07 |
IL209449A0 (en) | 2011-02-28 |
US20110153253A1 (en) | 2011-06-23 |
RU2578655C2 (ru) | 2016-03-27 |
EP2338411B1 (en) | 2013-11-27 |
ES2448366T3 (es) | 2014-03-13 |
CN102160820A (zh) | 2011-08-24 |
EP2338411A1 (en) | 2011-06-29 |
DK2338411T3 (da) | 2014-01-06 |
US8990039B2 (en) | 2015-03-24 |
IL209449A (en) | 2014-09-30 |
AU2010241467A1 (en) | 2011-07-07 |
CN102160820B (zh) | 2014-12-24 |
CA2722997C (en) | 2019-05-21 |
AU2010241467B2 (en) | 2015-07-23 |
US20140032152A1 (en) | 2014-01-30 |
CA2722997A1 (en) | 2011-06-23 |
JP5722023B2 (ja) | 2015-05-20 |
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