KR100990011B1 - 의료용 초음파 촬상에서의 조영제 조작 방법 - Google Patents
의료용 초음파 촬상에서의 조영제 조작 방법 Download PDFInfo
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- KR100990011B1 KR100990011B1 KR1020087005387A KR20087005387A KR100990011B1 KR 100990011 B1 KR100990011 B1 KR 100990011B1 KR 1020087005387 A KR1020087005387 A KR 1020087005387A KR 20087005387 A KR20087005387 A KR 20087005387A KR 100990011 B1 KR100990011 B1 KR 100990011B1
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- transmitting
- acoustic signal
- imaging
- wave acoustic
- continuous wave
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/13—Tomography
- A61B8/14—Echo-tomography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
- G01S15/8927—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array using simultaneously or sequentially two or more subarrays or subapertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52019—Details of transmitters
- G01S7/5202—Details of transmitters for pulse systems
- G01S7/52022—Details of transmitters for pulse systems using a sequence of pulses, at least one pulse manipulating the transmissivity or reflexivity of the medium
Abstract
Description
Claims (23)
- 초음파 촬상 동안 조영제를 조작하는 방법이며,조영제를 변위시키기 위해 조영제를 포함하는 구역(50)으로 연속파 음향 신호를 전송하는 단계(42)와,연속파 음향 신호와 동시에, 상기 구역(50)으로 펄스파 음향 신호를 전송하는 단계(44)를 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제1항에 있어서, 연속파 음향 신호를 전송하는 단계(42)와 펄스파 음향 신호를 전송하는 단계(44)는 동일한 변환기(14)의 상이한 개구(24)에 의해 수행되는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 삭제
- 제2항에 있어서, 연속파 음향 신호를 전송하는 단계(42)는 제1 주파수 대역에서 전송하는 단계를 포함하고, 펄스파 음향 신호를 전송하는 단계(44)는 제2 주파수 대역에서 전송하는 단계를 포함하고, 제1 주파수 대역은 제2 주파수 대역으로부터 분리되고,제1 주파수 대역에서는 감소되고 제2 주파수 대역을 통과하도록 작동될 수 있는 응답에 의해, 펄스파 음향 신호를 위해 사용된 상이한 개구(24) 중 하나에 수신된 에코 신호를 필터링하는 단계(46)를 더 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제2항에 있어서, 상이한 개구(24)의 소자는 상이한 스펙트럼 감도를 갖는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제1항에 있어서, 펄스파 음향 신호로부터의 에코에 응답하여 다차원 이미지를 생성하는 단계(48)와,연속파 신호에 따른 다차원 이미지 내의 에코 정보를 최소화하는 단계(46)를 더 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제1항에 있어서, 펄스파 음향 신호를 전송하는 단계(44)는,적어도 2개의 상이한 진폭 레벨을 갖는 복수의 펄스를 전송하는 단계를 포함하고,복수의 펄스의 전송에 응답한 신호들을 조합하는 단계를 더 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제7항에 있어서, 펄스파 음향 신호를 전송하는 단계(44)는 제1 서브 개구(24)로부터 전송하는 단계를 포함하고, 연속파 음향 신호를 전송하는 단계(42)는, 제1 서브 개구(24)와는 다른 제2 서브 개구(24)로부터 전송하는 단계를 포함하고,연속파 음향 신호의 전송을 중지시키면서 제1 및 제2 서브 개구(24)로부터 펄스 음향파를 동시에 전송하는 단계(44)를 더 포함하고,신호를 조합하는 단계는 제1 서브 개구(24)로부터의 펄스 음향파의 전송과, 제1 및 제2 서브 개구(24)로부터의 펄스 음향파의 전송에 응답한 신호들을 조합하는 단계를 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제1항에 있어서, 연속파 음향 신호를 전송하는 단계(42)는 제1 주파수 대역에서 전송하는 단계를 포함하고, 펄스파 음향 신호를 전송하는 단계(44)는 제2 주파수 대역에서 전송하는 단계를 포함하고, 제1 주파수 대역은 제2 주파수 대역으로부터 분리되는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제1항에 있어서, 연속파 음향 신호를 전송하는 단계(42)는 디포커싱된 또는 언포커싱된 신호로서 연속파 음향 신호를 어레이로부터 전송하는 단계(42)를 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제1항에 있어서, 사용자 입력으로부터 구역(50)의 지시를 수신하는 단계(40)를 더 포함하고,연속파 음향 신호를 전송하는 단계(42)는 구역(50)의 함수로서 전송하는 단계를 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 삭제
- 제1항에 있어서, 상이한 주사선들을 따라 순차적으로 펄스파 음향 신호의 전송을 반복하는 단계를 더 포함하고,연속파 음향 신호를 전송하는 단계(42)는 펄스파 음향 신호가 전송되는 여러 주사선들 중 현행 주사선으로부터 파면이 순차적으로 경사진 상태로 전송하는 단계를 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 초음파 촬상 동안 조영제를 조작하는 방법이며,조영제를 변위시키기 위해 낮은 기계적 지수의 음향 방사력으로 조영제를 조작하는 단계와,조영제를 조작하는 단계와 동시에 조영제를 포함하는 다차원 구역(50)을 촬상하는 단계(48)를 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제14항에 있어서, 촬상하는 단계(48)는 B-모드 촬상 단계를 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제14항에 있어서, 촬상하는 단계(48)는 3차 기본파의 함수로서 촬상하는 단계를 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 제14항에 있어서, 다른 주파수, 다른 전송 방향, 음향 방사력의 더 넓은 포커스 구역, 음향 방사력의 포커스 결여 또는 이들의 조합의 함수로서 촬상에 대한 음향 방사력의 영향을 감소시키는 단계(46)를 더 포함하는, 초음파 촬상 동안 조영제를 조작하는 방법.
- 초음파로 조영제를 조작하기 위한 방법이며,조영제를 변위시키기 위해 변환기(14)로부터 조영제를 포함하는 구역(50)으로 연속파 음향 방사력을 전송하는 단계(42)와,변환기(14)로부터 언포커싱된 또는 디포커싱된 파면에 의해 전송을 수행하는 단계를 포함하는, 초음파로 조영제를 조작하기 위한 방법.
- 제18항에 있어서, 연속파 음향 방사력과 동시에, 구역(50)으로 펄스파 음향 신호를 전송하는 단계(44)와,연속파 음향 방사력을 전송하는 단계(42) 및 펄스파 음향 신호를 전송하는 단계를 위해 동일한 전원을 사용하는 단계를 더 포함하는, 초음파로 조영제를 조작하기 위한 방법.
- 삭제
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/197,954 | 2005-08-05 | ||
US11/197,954 US7837626B2 (en) | 2005-08-05 | 2005-08-05 | Contrast agent manipulation with medical ultrasound imaging |
Publications (2)
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KR20080033506A KR20080033506A (ko) | 2008-04-16 |
KR100990011B1 true KR100990011B1 (ko) | 2010-10-26 |
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KR1020087005387A KR100990011B1 (ko) | 2005-08-05 | 2006-04-12 | 의료용 초음파 촬상에서의 조영제 조작 방법 |
Country Status (6)
Country | Link |
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US (1) | US7837626B2 (ko) |
JP (1) | JP5275798B2 (ko) |
KR (1) | KR100990011B1 (ko) |
CN (1) | CN101277650B (ko) |
DE (1) | DE112006002107T5 (ko) |
WO (1) | WO2007018635A1 (ko) |
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JP2009502417A (ja) | 2009-01-29 |
DE112006002107T5 (de) | 2008-06-12 |
CN101277650A (zh) | 2008-10-01 |
WO2007018635A1 (en) | 2007-02-15 |
KR20080033506A (ko) | 2008-04-16 |
US20070043295A1 (en) | 2007-02-22 |
CN101277650B (zh) | 2012-08-08 |
JP5275798B2 (ja) | 2013-08-28 |
US7837626B2 (en) | 2010-11-23 |
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