WO2004100796A1 - 超音波探触子 - Google Patents
超音波探触子 Download PDFInfo
- Publication number
- WO2004100796A1 WO2004100796A1 PCT/JP2004/007127 JP2004007127W WO2004100796A1 WO 2004100796 A1 WO2004100796 A1 WO 2004100796A1 JP 2004007127 W JP2004007127 W JP 2004007127W WO 2004100796 A1 WO2004100796 A1 WO 2004100796A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulley
- wire
- ultrasonic probe
- ultrasonic
- slider
- Prior art date
Links
- 239000000523 sample Substances 0.000 title claims description 28
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
- A61B8/4466—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe involving deflection of the probe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
-
- 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
- G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
- G01S15/8938—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions
- G01S15/894—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions by rotation about a single axis
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams
- G10K11/352—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams by moving the transducer
- G10K11/355—Arcuate movement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/445—Details of catheter construction
Definitions
- the present invention relates to a bright ultrasonic probe that inserts an ultrasonic transducer into a body cavity, irradiates an ultrasonic wave into a living body, and receives an echo signal of the ultrasonic transducer, and is particularly provided in an insertion portion inserted into the body cavity.
- the present invention relates to an ultrasonic probe for transmitting rotation of a motor provided in a grip portion held by an operator outside a body cavity to an ultrasonic vibrator to swing the ultrasonic vibrator.
- FIG. 8 shows a cross-sectional view of such a conventional ultrasonic probe, in which a motor 5 and a pulley 102 connected to a rotating shaft thereof are disposed in a grip portion 1, and a distal end portion 3 of an insertion portion 2 is provided in a grip portion 1.
- a pulley 7 connected to an ultrasonic vibrator 4 and a rotating shaft 9 is arranged.
- an endless wire 8 is wound around the pulleys 102 and 7, and the rotation of the motor 5 is transmitted to the rotating shaft 9 of the ultrasonic oscillator 4 ′.
- Patent Document 1 Japanese Patent Application Laid-Open No. H10-179588 (FIG. 3, paragraph 0049)
- Patent Document 2 Japanese Patent Application Laid-Open No. H10-174686 (FIG. 1, paragraph 0052)
- Patent Document 3 Japanese Patent Application Laid-Open No. 2001-
- the wire 8 is provided so as to extend from the drip portion 1 to the distal end portion 3 of the insertion portion 2. Is relatively long, the wire 8 is loosened and the ultrasonic transducer 4 is misaligned. There was a problem of living. Disclosure of the invention
- An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide an ultrasonic probe capable of reducing a wire looseness and reducing a position error of an ultrasonic transducer.
- the present invention provides a method in which the rotation of a motor provided in a grip portion for moving an ultrasonic vibrator provided in a distal end portion of a longitudinal insertion portion is controlled by the ultrasonic vibration.
- a rotary shaft connected to a rotary shaft of the motor so that a distal end extends into a distal end of the insertion portion;
- a first pulley attached to a tip of the rotary shaft; a second pulley attached to a swing shaft of the ultrasonic vibrator; and an intermediate member provided between the first and second pulleys.
- the wire can be made shorter than in the conventional example, so that looseness of the wire can be reduced and the position error of the ultrasonic transducer can be reduced.
- slide mechanism includes:
- the wire is formed of a wire having both ends, and a block for fixing both ends of the wire is provided, and the block is attached to the first pulley.
- the wire can be easily passed over the first and second pulleys and the intermediate pulley.
- FIG. 1 is a cross-sectional view of the ultrasonic probe according to the first embodiment of the present invention
- FIG. 2 is a cross-sectional view showing an enlarged end portion of FIG. 1,
- FIG. 3A is a cross-sectional view of a state where a wire at the distal end portion of the ultrasonic probe according to the first embodiment of the present invention is wound on first and second pulleys,
- FIG. 3B is a cross-sectional view of a state in which a wire at the distal end of the ultrasonic probe according to the first embodiment of the present invention is wound around an intermediate pulley,
- FIG. 3C is a cross-sectional view of a state in which a wire has been wound at the distal end portion of the ultrasonic probe according to the first embodiment of the present invention
- FIG. 4A is a configuration diagram showing a plate part of an ultrasonic probe according to a second embodiment of the present invention.
- FIG. 4B is a configuration diagram showing a state in which the wire of the ultrasonic probe according to the second embodiment of the present invention is fixed to the plate portion,
- FIG. 4C is a configuration diagram showing a first pulley of the ultrasonic probe according to the second embodiment of the present invention.
- FIG.4D is a configuration diagram showing a state where the plate portion of the ultrasonic probe according to the second embodiment of the present invention is fixed to the first pulley
- FIG. 5 is a cross-sectional view of the ultrasonic probe according to the first embodiment of the present invention.
- FIG. 6 is a graph relating to wire tension according to the first embodiment of the present invention.
- FIG. 7 is a cross-sectional view (top view) of the ultrasonic probe according to the first embodiment of the present invention.
- FIG. 8 is a cross-sectional view of a conventional ultrasonic probe. BEST MODE FOR CARRYING OUT THE INVENTION
- FIGS. 1, 2, 3, 3A, 3B and 3C show an ultrasonic probe according to a first embodiment of the present invention.
- a motor 5 is disposed in the grip portion 1, and the motor 5 is configured such that the rotating shaft 10 extends to the distal end portion 3 of the insertion portion 2.
- a pulley 6 is attached as a first pulley to the end of the rotary shaft 10 of the motor 5.
- a part of the periphery of the pulley 6 is formed flat so that the wire 8 does not fall off in the axial direction, and the plate part 16 is attached to the flat surface. Between them, a wire locking groove 16a is formed in the circumferential direction.
- a pulley 7 is disposed in the distal end portion 3 of the insertion portion 2 as an arc-shaped ultrasonic oscillator 4 and a second pulley connected to a rotating shaft 9 thereof.
- the axial direction of the pulley 6 on the motor 5 side is orthogonal to the axial direction of the rotating shaft 9 on the ultrasonic transducer 4 side.
- An intermediate pulley 11 a and a lib are arranged between the pulleys 6 and 7 in the distal end portion 3 of the inlet 2.
- the intermediate pulley 11 a is attached to the slider portion 14, and the slider portion 14 (and the intermediate pulley 11 a) moves along the slider guide portion 15 formed on the base portion 3 a of the distal end portion 3.
- Pulley 6 shaft It is supported by the base part 3a so that it can slide in the direction perpendicular to the direction, and the position in the slide direction can be fixed by the screw 13.
- the screw 13, the slider part 14 and the slider guide part 15 constitute a slide mechanism 12 of the intermediate pulley 11 a.
- FIG. 3A shows how to wire the wire 8.
- the wire 8 is hung on the pulley 7 on the ultrasonic vibrator 4 side while the slider portion 14 is moved in the loosening direction of the wire, and the groove 1 of the pulley 6 on the motor 5 side 6a (see Fig. 2) and then hook it over the intermediate pulley 11a, lib as shown in Fig. 3B.
- the slider portion 14 is slid in the direction of tightening the wire and fixed with the screw 13. Accordingly, the slide mechanism 12 reduces the slackness of the wire 8 by moving the slider 14 and the intermediate pulley 11a installed on the slider 14 with the screw 13 in the direction of the arrow in FIG. 3C. Can be prevented.
- the operator can hold the drip portion 1 outside the body cavity and insert the insertion portion 2 into the body cavity.
- the pulley 6 installed on the rotating shaft 10 is rotated by the motor 5, and the rotational movement of the pulley 6 is transmitted to the pulley 7 by the wire 8 via the intermediate pulleys 11 la and 11 b, and the ultrasonic vibrator 4 can be oscillated about a rotation axis 9.
- the wire 8 can be made shorter than the conventional example, and the slackness of the wire 8 can be reduced by fixing the slider portion 14 on which the intermediate pulley 11 a is installed with the screw 13 in the slide mechanism 12. Can be prevented.
- the position error of the ultrasonic transducer 4 can be reduced, and accurate positioning can be performed.
- FIG. 4A a mounting hole 17 for a wire 8 is formed in the plate portion 16.
- FIG. 4B insert both ends of a single (not endless) wire 8 into both ends of the mounting hole 17 and crush the plate 16 to fix both ends of the wire 8 .
- a flat surface 18 is formed on a part of the peripheral surface of the pulley 6 as shown in FIG. 4C, and a plate portion 16 is attached to this flat surface 18 with screws 19 as shown in FIG. 4D.
- the non-endless wire 8 can be easily attached to the pulley 6 in an endless manner by the plate portion 16.
- a notch 19 may be circumferentially provided on the second pulley 7 so as to face the protrusion 20 provided on the base 3a. This is because, when the ultrasonic vibrator 4 receives an impact due to a drop or the like, the ultrasonic vibrator 4 rotates around the rotating shaft 10 and hits the projection 20 and the end face of the notch 19, thereby causing the ultrasonic vibration. It is possible to prevent the ultrasonic transducer from hitting the base portion 3a and damaging the ultrasonic transducer.
- the tension applied to the wire 8 is determined by the elasticity at which the elasticity of the wire is constant with respect to the tension in the graph of the wire tension and the elastic modulus of the wire in FIG. It is desirable that the tension range is such that the elastic constant E1 is within 30% of the constant E0. This is because the lower the wire elastic modulus, the more the ultrasonic vibrator 4 This is because the wire is naturally stretched due to the nature and the displacement is increased.
- the wire can be made shorter than in the conventional example, so that the looseness of the wire can be reduced and the position error of the ultrasonic transducer can be reduced. It is useful in the field of ultrasonic probes that enter the interior.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/554,458 US8021304B2 (en) | 2003-05-19 | 2004-05-19 | Ultrasonic probe |
JP2005506296A JP4638346B2 (ja) | 2003-05-19 | 2004-05-19 | 超音波探触子 |
EP04733941A EP1625828B1 (en) | 2003-05-19 | 2004-05-19 | Ultrasonic probe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003139697 | 2003-05-19 | ||
JP2003-139697 | 2003-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004100796A1 true WO2004100796A1 (ja) | 2004-11-25 |
Family
ID=33447351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/007127 WO2004100796A1 (ja) | 2003-05-19 | 2004-05-19 | 超音波探触子 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8021304B2 (ja) |
EP (1) | EP1625828B1 (ja) |
JP (1) | JP4638346B2 (ja) |
KR (1) | KR100769406B1 (ja) |
CN (1) | CN100473356C (ja) |
WO (1) | WO2004100796A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006187592A (ja) * | 2004-12-29 | 2006-07-20 | Medison Co Ltd | 超音波診断装置のプローブの超音波振動子回動装置 |
CN102783974A (zh) * | 2010-12-27 | 2012-11-21 | 汕头市超声仪器研究所有限公司 | 经阴道容积探头 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4933548B2 (ja) * | 2006-07-20 | 2012-05-16 | パナソニック株式会社 | 超音波探触子 |
WO2012131634A1 (en) * | 2011-03-30 | 2012-10-04 | Koninklijke Philips Electronics N.V. | Intra-cardiac catheter anchor attachment |
CN104224228B (zh) | 2013-06-19 | 2017-08-11 | 深圳迈瑞生物医疗电子股份有限公司 | 3d机械探头及绳索传动装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08168490A (ja) * | 1995-06-06 | 1996-07-02 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
JP2000237986A (ja) * | 1999-02-22 | 2000-09-05 | Kokusai Electric Co Ltd | ベルト伝動装置のテンション調節機構 |
JP2002153464A (ja) * | 2000-11-17 | 2002-05-28 | Matsushita Electric Ind Co Ltd | 超音波探触子およびその製造方法 |
Family Cites Families (22)
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EP0233724B1 (en) | 1986-01-30 | 1992-04-15 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic probe for medical diagnostic examination |
US4688555A (en) * | 1986-04-25 | 1987-08-25 | Circon Corporation | Endoscope with cable compensating mechanism |
EP0253268B1 (en) * | 1986-07-07 | 1992-12-30 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic probe |
IL87648A0 (en) * | 1988-09-01 | 1989-02-28 | Elscint Ltd | Ultrasonic probe |
JPH0367742U (ja) * | 1989-10-26 | 1991-07-02 | ||
DK257790D0 (da) * | 1990-10-26 | 1990-10-26 | 3D Danish Diagnostic Dev A S | Gantry for gammakamera for cardiologiske undersoegelser |
US5255684A (en) * | 1991-10-25 | 1993-10-26 | Interspec, Inc. | Ultrasonic probe assembly |
JP3333595B2 (ja) * | 1993-08-25 | 2002-10-15 | フクダ電子株式会社 | 超音波診断装置 |
US5450851A (en) * | 1994-05-25 | 1995-09-19 | Advanced Technology Laboratories, Inc. | Ultrasonic probe assembly |
US5479929A (en) * | 1994-06-27 | 1996-01-02 | Acuson Corporation | Drive system with a multiturn rotary stop |
US5667476A (en) * | 1995-06-05 | 1997-09-16 | Vision-Sciences, Inc. | Endoscope articulation system to reduce effort during articulation of an endoscope |
US5662116A (en) * | 1995-09-12 | 1997-09-02 | Fuji Photo Optical Co., Ltd. | Multi-plane electronic scan ultrasound probe |
WO1998008429A1 (en) * | 1996-08-30 | 1998-03-05 | The Whitaker Corporation | Apparatus to flex a bendable probe |
JPH10179588A (ja) | 1996-11-06 | 1998-07-07 | Toshiba Corp | 超音波プローブ |
JPH10174686A (ja) | 1996-12-17 | 1998-06-30 | Toshiba Corp | ワイヤ駆動機構および超音波プローブ |
US5938551A (en) * | 1997-03-28 | 1999-08-17 | Schwinn Cycling & Fitness Inc. | Variable tension pulley system |
DE60021326T2 (de) * | 1999-10-01 | 2006-01-05 | Fuji Photo Film Co., Ltd., Minami-Ashigara | Verfahren und Vorrichtung zur Korrektur der Verformung von Blattmaterialien |
JP2001170053A (ja) | 1999-12-16 | 2001-06-26 | Toshiba Corp | 超音波プローブとその操作方法 |
US6840938B1 (en) * | 2000-12-29 | 2005-01-11 | Intuitive Surgical, Inc. | Bipolar cauterizing instrument |
JP4282253B2 (ja) * | 2001-07-12 | 2009-06-17 | 三菱電機株式会社 | ベルト伝動装置 |
US6709397B2 (en) * | 2001-10-16 | 2004-03-23 | Envisioneering, L.L.C. | Scanning probe |
KR100747094B1 (ko) * | 2005-07-15 | 2007-08-07 | 주식회사 메디슨 | 초음파 프루브의 트랜스듀서 구동장치 |
-
2004
- 2004-05-19 EP EP04733941A patent/EP1625828B1/en not_active Expired - Fee Related
- 2004-05-19 WO PCT/JP2004/007127 patent/WO2004100796A1/ja active Application Filing
- 2004-05-19 JP JP2005506296A patent/JP4638346B2/ja not_active Expired - Fee Related
- 2004-05-19 US US10/554,458 patent/US8021304B2/en not_active Expired - Fee Related
- 2004-05-19 CN CNB2004800134212A patent/CN100473356C/zh not_active Expired - Fee Related
- 2004-05-19 KR KR1020057019911A patent/KR100769406B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08168490A (ja) * | 1995-06-06 | 1996-07-02 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
JP2000237986A (ja) * | 1999-02-22 | 2000-09-05 | Kokusai Electric Co Ltd | ベルト伝動装置のテンション調節機構 |
JP2002153464A (ja) * | 2000-11-17 | 2002-05-28 | Matsushita Electric Ind Co Ltd | 超音波探触子およびその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1625828A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006187592A (ja) * | 2004-12-29 | 2006-07-20 | Medison Co Ltd | 超音波診断装置のプローブの超音波振動子回動装置 |
JP4676854B2 (ja) * | 2004-12-29 | 2011-04-27 | 株式会社 メディソン | 超音波診断装置のプローブの超音波振動子回動装置 |
CN102783974A (zh) * | 2010-12-27 | 2012-11-21 | 汕头市超声仪器研究所有限公司 | 经阴道容积探头 |
CN102783974B (zh) * | 2010-12-27 | 2016-03-30 | 汕头市超声仪器研究所有限公司 | 经阴道容积探头 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004100796A1 (ja) | 2006-07-13 |
KR20060017590A (ko) | 2006-02-24 |
CN100473356C (zh) | 2009-04-01 |
EP1625828B1 (en) | 2012-09-12 |
JP4638346B2 (ja) | 2011-02-23 |
US20060247528A1 (en) | 2006-11-02 |
EP1625828A1 (en) | 2006-02-15 |
KR100769406B1 (ko) | 2007-10-22 |
CN1791362A (zh) | 2006-06-21 |
US8021304B2 (en) | 2011-09-20 |
EP1625828A4 (en) | 2009-05-06 |
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