EP0504480A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Ultrasonic diagnostic apparatus using a linear and angular scanning probe
Assignee: Olympus Corp
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Filing: 1991-11-28
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Granted: —
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Expires: 2011-11-28
Abstract
Abstract The ultrasonic wave diagnosing apparatus of this invention comprises a controlling circuit (32) controlling the rotation, advance and retreat of an ultrasonic wave oscillator, a DC power source (29) feeding an electric power to a DC motor (18) rotating the ultrasonic wave oscillator, a DC motor controlling circuit (30) inputting a controlling signal from the above mentioned controlling circuit (32) and controlling the voltage of the above mentioned DC power source (29), a photointerrupter (26) detecting the position of the ultrasonic wave oscillator by the advance and retreat, a stepping motor (23) advancing and retreating the above mentioned ultrasonic wave oscillator and a record controlling apparatus (34) controlling an auxiliary memorizing apparatus (35) which can record an ultrasonic wave image obtained by the above mentioned ultrasonic wave oscillator so that, in order to reverse the rotation by inverting the phases of controlling signals A and B of the stepping motor (23) advancing and retreating the above mentioned ultrasonic wave oscillator, a position detecting signal of the above mentioned photointerrupter (26) is input into the above mentioned controlling circuit (32).
Inventors
- 👤 Toshiro Ishimura
- 👤 Koichi Matsui
- 👤 Takahiro Echizenya
- 👤 Yoshihisa Taniguchi
- 👤 Akiko Mizunuma
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 09:09
CPC Classifications
A; A61; A61B; A61B8/00; A61B8/12; A61B8/44; A61B8/4444; A61B8/4461; G; G01; G01S; G01S15/00; G01S15/88; G01S15/89; G01S15/8906; G01S15/8934; G01S15/8936; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/35; G10K11/352; A61B8/445
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
104 words
An ultrasonic wave diagnosing apparatus characterized by comprising an ultrasonic wave probe (11;101;221) having an ultrasonic wave transmitting and receiving part (12;124;207) which can be rotated, advanced and retreated and transmits and receives ultrasonic waves; a first driving means (10;117;241) rotating said ultrasonic wave transmitting and receiving part; a second driving means (23;113;210) advancing and retreating said ultrasonic wave transmitting and receiving part; an auxiliary recording means (35) recording signals from said ultrasonic wave transmitting and receiving part; and a record controlling means (34) outputting to said auxiliary recording means a record controlling signal synchronized with said first driving means and second driving means.
Claim 2
Dependent Claim
101 words
The apparatus of claim 1 further comprising an advance and retreat detecting means (26;114,115) detecting that said ultrasonic wave transmitting and receiving part (12;124;207) is positioned in the end part of the advancing and retreating range of said ultrasonic wave transmitting and receiving part, said record controlling means (34) being synchronized with said first driving means (18;117;241) and second driving means (23;113;210) by said advance and retreat detecting means (26;114,115), outputting a record controlling signal controlling said auxiliary recording means (34), said second driving means (23) preferably being a stepping motor and said drive controlling means (32) preferably being a microcomputer.
Claim 3
Dependent Claim
53 words
The apparatus of claim 1 or 2, further comprising a pseudo-signal generating means (50) generating a pseudo-signal and a switching means (51) switching a pseudo-signal from said pseudo-signal generating means (50) and a signal from said first driving means (18) over to each other and outputting them to said record controlling means (34).
Claim 4
Dependent Claim
24 words
The apparatus of claim 1, 2 or 3, further comprising a displaying means (56,57a,57b) displaying the driving state of said second driving means (23;113;210).
Claim 5
Independent Claim
81 words
The apparatus of any of claims 2 to 4, further comprising a rotation detecting means (19) detecting the rotation of said first driving means (11;101) and a drive controlling means (30,32) controlling said first driving means (18) and second driving means (23) with said advance and retreat detecting means and rotation detecting means, and wherein preferably said first driving means (18) is a DC motor and said rotation detecting means (19) is an encoder detecting the rotation of said DC motor.
Claim 6
Independent Claim
117 words
The apparatus of any preceding claim, wherein said ultrasonic wave probe (221) has an ultrasonic wave oscillator (207) transmitting, receiving and scanning ultrasonic wave beams and a sheath (222) movably containing said ultrasonic wave oscillator and provided with an ultrasonic wave observing means (204) converting the received signal of said ultrasonic wave oscillator to an image signal and a displaying means (205) displaying an ultrasonic wave cross-sectioned image on the basis of said image signal and formed so that the constant speed scanning range scanning at a constant speed in the range scanned by said ultrasonic wave beam of said sheath (222) may be different in the manner of the multiplex echo from the other part (222c).
Claim 7
Independent Claim
62 words
The apparatus in particular according to any preceding claim, wherein said ultrasonic wave probe (101) is provided in the sheath tip part (102;130;140) with a housing (125;131;141) holding an ultrasonic wave oscillator unit (124) and made slidably adjacent to said sheath inside diameter surface and with flow paths (125;132;142) for flowing an ultrasonic wave transmitting medium (105) before and after said housing.
Claim 8
Independent Claim
79 words
The apparatus of any preceding claim, wherein said advance and retreat detecting means (26;114,115) preferably comprises a light shielding means provided in said ultrasonic wave probe (11;101) advanced and retreated by said second driving means (23;113) and a plurality of photodetecting means shielded by said light shielding means and detecting that said ultrasonic wave transmitting and receiving part (12;124) is positioned in the end part of the advancing and retreating range of said ultrasonic wave transmitting and receiving part.
Claim 9
Independent Claim
62 words
The apparatus of any preceding claim wherein, when said advance and retreat detecting means (223) detects that said ultrasonic wave transmitting and receiving part (207) is positioned in the end part of the advancing and retreating range of said ultrasonic wave transmitting and receiving part, said drive controlling means (32) will reverse and control the rotation of said first driving means (210).
Claim 10
Independent Claim
45 words
The apparatus of any preceding claim, further comprising a signal stopping means letting said record controlling means (34) stop outputting said record controlling signal to said auxiliary recording means (35) in case said drive controlling means (32) stops and controls said second driving means (23).
Claim 11
Dependent Claim
107 words
An ultrasonic wave diagnosing apparatus comprising an ultrasonic wave oscillator (207) transmitting, receiving and scanning ultrasonic wave beams, an ultrasonic wave observing means (221,204) having a sheath (222) movably containing said ultrasonic wave oscillator (207) and converting the received waves of said ultrasonic wave oscillator to image signals and a displaying means (205) displaying ultrasonic cross-sectioned images on the basis of said image signals, characterized in that the constant speed scanning range scanning at a constant speed in the range scanned by said ultrasonic wave beam of said sheath (222) is formed to be different in the manner of the multiplex echo from the other part (222c).
Claim 12
Independent Claim
37 words
The apparatus of any preceding claim, wherein said sheath (222) is different in the thickness or has an acoustic impedance different between said constant speed scanning range and the other region than said constant speed scanning range.
References Cited (Backward Citations)
No citation records indexed.
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