WO2010128556A1 - Table fluoroscopique à rayons x - Google Patents

Table fluoroscopique à rayons x Download PDF

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Publication number
WO2010128556A1
WO2010128556A1 PCT/JP2009/058686 JP2009058686W WO2010128556A1 WO 2010128556 A1 WO2010128556 A1 WO 2010128556A1 JP 2009058686 W JP2009058686 W JP 2009058686W WO 2010128556 A1 WO2010128556 A1 WO 2010128556A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
guide member
pendulum
lever
oscillator
Prior art date
Application number
PCT/JP2009/058686
Other languages
English (en)
Japanese (ja)
Inventor
琢仁 宍倉
幸司 吉田
好史 佐竹
Original Assignee
株式会社島津製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社島津製作所 filed Critical 株式会社島津製作所
Priority to PCT/JP2009/058686 priority Critical patent/WO2010128556A1/fr
Priority to CN200980159192.8A priority patent/CN102421363B/zh
Priority to JP2011512287A priority patent/JP5459519B2/ja
Publication of WO2010128556A1 publication Critical patent/WO2010128556A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/447—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit or the detector unit being mounted to counterpoise or springs

Definitions

  • This invention relates to an X-ray fluoroscopic table used for medical diagnosis of a subject.
  • the X-ray fluoroscopic imaging table used for medical diagnosis of the patient in the supine position is widely used with an oblique imaging function.
  • the X-ray tube is supported by the support column, and the support column extends in the vertical direction. Further, the support column is configured to be rotatable in the body axis direction of the subject. Therefore, diagnostic information can be obtained by fluoroscopic imaging of the imaging region with multi-directional X-rays (see, for example, Patent Document 1).
  • the X-ray fluoroscopic imaging table used for medical diagnosis of standing subjects can be provided with an oblique imaging function.
  • an X-ray tube is supported by an arm, and the arm extends in the horizontal direction.
  • the arm is configured to be rotatable in the body axis direction of the subject. Therefore, it is the same that diagnostic information can be obtained by multi-directional X-rays.
  • the X-ray fluoroscopic imaging table used for medical diagnosis of a standing patient, if the arm is configured to be extendable in the length direction, the X-ray tube is moved away from the image receiving surface, and the imaging site is fluoroscopically observed in that state. You can also shoot. Therefore, the X-ray fluoroscopic imaging table can be provided with not only an oblique imaging function but also an imaging distance expansion function.
  • the gravity of the X-ray tube when the arm rotates from the horizontal state and tilts downward in the direction toward the X-ray tube.
  • the X-ray tube has a weight of 40 kg or more. For this reason, in particular, in the system in which the arm is extended by manual operation, when the arm is inclined downward, the arm may be unexpectedly extended due to gravity and the X-ray tube may move, which is dangerous.
  • an object of the present invention is to support an X-ray tube on an arm, configure the arm to be pivotable in the body axis direction of the subject, and configure the arm to be extendable in the length direction.
  • An object of the present invention is to prevent an X-ray tube from moving unintentionally in an imaging table.
  • the X-ray fluoroscopic table is provided with the lock mechanism.
  • the lock mechanism is operable between a lock position and an unlock position.
  • the lock mechanism When the lock mechanism is in the lock position, the arm is locked by the lock mechanism, and the arm does not extend.
  • the lock mechanism is moved to the unlock position, the arm is unlocked by the lock mechanism, and the arm can be extended.
  • the stopper when the arm rotates from the horizontal state and tilts downward in the direction toward the X-ray tube, the stopper is disposed at a predetermined position with respect to the lock mechanism by gravity, and the lock mechanism is held at the lock position. Do not work.
  • the arm comprises a slide member and a guide member.
  • the slide member and the guide member extend in the length direction of the arm and are combined with each other.
  • the slide member is slidable with respect to the guide member. is there.
  • the locking mechanism includes a protrusion and a lever, and the protrusion is provided on the slide member and protrudes toward the guide member.
  • the lever has a groove, is disposed between the slide member and the guide member, and is supported by the guide member.
  • the stopper is composed of a pendulum, and the pendulum is supported by the guide member. When the arm is tilted downward, the pendulum is inserted between the lever and the guide member by gravity, and the lever is held in the locked position.
  • the stopper is operated by the amplification mechanism based on gravity.
  • the stopper moves toward a predetermined position with respect to the lock mechanism.
  • the amplification mechanism consists of a fixed plate and an eccentric ring.
  • the fixed plate extends at a right angle to the arm and is fixed to the guide member.
  • the eccentric ring is supported by the guide member, is connected to the pendulum, is eccentric toward the fixed plate, and contacts the fixed plate.
  • the amplifying mechanism includes a rocker, and the rocker is supported by a guide member. Further, the pendulum is overlapped with the oscillator, a longitudinal slot is formed in the oscillator, a pin is inserted into the slot, and the pendulum and the oscillator are connected by the pin. When the arm is tilted downward, the oscillator swings by gravity, the pendulum swings by the oscillator, and the pendulum is inserted between the lever and the guide member.
  • A is a side view showing an embodiment of the present invention
  • B is a side view showing a state in which an arm of A is inclined downward.
  • 1A is a cross-sectional view of the arm of FIG. 1
  • B is a side view of the guide member of A
  • C is a perspective view of the guide member of A
  • and D is a perspective view showing a state in which the pendulum of C swings.
  • A is explanatory drawing which shows another Example
  • B is explanatory drawing which shows the state which the pendulum of A rock
  • A is explanatory drawing which shows another Example
  • B is explanatory drawing which shows the state which the pendulum of A rock
  • A is a perspective view showing another embodiment, B is an explanatory view of an A pendulum, C is a perspective view showing a state in which the A pendulum swings, and D is an explanatory view of a C swinger.
  • FIG. 1A shows an X-ray fluoroscopic imaging table according to the present invention.
  • This X-ray fluoroscopic imaging table is used for medical diagnosis of a standing subject 1, and an X-ray tube 3 is supported by an arm 2, and the arm 2 extends in the horizontal direction.
  • This X-ray fluoroscopic imaging table has an oblique imaging function, and the arm 2 is configured to be rotatable in the body axis direction of the subject 1.
  • a pin 5 is provided on the carriage 4, and the arm 2 is rotatably attached around the pin 5.
  • a rack 6 is provided on the carriage 4, a rotation gear is attached to the arm 2, and meshed with the rack 6, and the arm 2 can be rotated by the rotation gear and the rack 6. Accordingly, diagnostic information can be obtained by fluoroscopic imaging of the imaging region with multi-directional X-rays.
  • the carriage 4 is supported by the support column 7 and can be moved up and down along the support column 7. Therefore, the carriage 4 can be moved up and down integrally with the arm 2 and the X-ray tube 3 and the height thereof can be adjusted arbitrarily.
  • this X-ray fluoroscopic imaging table has an imaging distance expanding function, and the arm 2 is configured to be extendable in its length direction.
  • the arm 2 includes a slide member 8 and a guide member 9, and a rotation gear is attached to the guide member 9.
  • the guide member 9 extends toward the carriage 4 and is attached to the pin 5. It is attached.
  • the rotating gear is engaged with the rack 6.
  • the X-ray tube 3 is supported on the slide member 8.
  • the guide member 9 includes a plurality of linear blocks 10, rails 11 are provided on the slide member 8, the linear blocks 10 are arranged in parallel in the horizontal direction, and the rails 11 are horizontal. It extends in the direction and is fitted to the linear block 10. Therefore, the rail 11 can be slid with respect to the linear block 10, the arm 2 can be extended in the length direction, the X-ray tube 3 can be moved away from the image receiving surface, and the imaging region can be radiographed in that state. In this X-ray fluoroscopic imaging table, the arm 2 can be extended manually.
  • This X-ray fluoroscopic table has a lock mechanism for locking the arm 2.
  • the lock mechanism can operate between a lock position and an unlock position. When the lock mechanism is in the lock position, the arm 2 is locked by the lock mechanism, and the arm 2 does not extend. When the lock mechanism is moved to the unlock position, the arm 2 is unlocked by the lock mechanism, and the arm 2 can be extended.
  • the protrusion 12 and the lever 13 are used for the lock mechanism, and the protrusion 12 is provided on the slide member 8 and protrudes toward the guide member 9.
  • a pin 14 is provided on the guide member 9, the lever 13 extends in the vertical direction, is disposed between the slide member 8 and the guide member 9, and is rotatably attached around the pin 14. 12 is reached. The lower end is bent at a predetermined angle, thereby forming an operation portion 15, and the operation portion 15 is disposed below the slide member 8.
  • a spring 16 is disposed between the lever 13 and the guide member 9, and a groove 17 is formed at the upper end of the lever 13. The lever 13 is elastically biased by the spring 16, and the groove 17 is fitted to the protrusion 12. .
  • This position is the lock position of the lever 13. Therefore, the slide member 8 and the guide member 9 are locked by the protrusion 12 and the lever 13, and the arm 2 cannot be extended.
  • the operation portion 15 is pushed up manually, the lever 13 rotates around the pin 14 and the groove 17 is detached from the projection 12. This position is the unlock position of the lever 13. As a result, the slide member 8 and the guide member 9 are unlocked, and the arm 2 can be extended.
  • this X-ray fluoroscopic table has a locking mechanism stopper. Then, as shown in FIG. 1B, when the arm 2 rotates from the horizontal state and the arm 2 tilts downward in the direction toward the X-ray tube 3, the stopper is disposed at a predetermined position with respect to the lock mechanism by gravity. The lock mechanism is held in the locked position and does not operate.
  • a pendulum 18 is used as a stopper, a pin 19 is provided on the guide member 9, the pendulum 18 is supported swingably around the pin 19, has a center of gravity 20, and has a vertical direction. It stretches out.
  • the lever 13 and the pendulum 18 are arranged so as to be close to each other in the length direction of the arm 2, and the pendulum 18 is arranged on the X-ray tube 3 side.
  • the pendulum 18 has a bell crank shape, a horizontal portion 21 is formed on the pendulum 18, the horizontal portion 21 is provided on the lever 13 side, and between the lever 13 and the guide member 9, the horizontal portion 21 is the lever 13. It is arranged above.
  • FIG. 3A shows another embodiment.
  • the stopper when the arm 2 is tilted downward, the stopper is operated by the amplification mechanism based on gravity. The stopper moves toward a predetermined position with respect to the lock mechanism.
  • the fixed plate 22 and the eccentric ring 23 are used for the amplification mechanism, and the fixed plate 22 is fixed to the guide member 9.
  • the fixing plate 22 extends at a right angle to the arm 2. Therefore, when the arm 2 is in a horizontal state, the fixing plate 22 extends in the vertical direction.
  • a support shaft 24 is provided on the guide member 9, and an eccentric ring 23 is fitted on the support shaft 24.
  • the stopper is composed of a pendulum 18, and a horizontal portion 21 is formed on the pendulum 18 as in the above embodiment. Further, the pendulum 18 hangs down from the pin 19, and the pendulum 18 and the eccentric ring 23 are connected by the pin 25.
  • the pin 25 is disposed at the lower end of the pendulum 18 and is disposed at the lower end of the eccentric ring 23. Further, when the arm 2 is in a horizontal state, the pendulum 18 extends in the vertical direction, and the eccentric ring 23 is eccentric toward the fixed plate 22 and contacts the fixed plate 22. As described above, the pendulum 18 has the center of gravity 20, but the eccentric ring 23 also has the center of gravity 26, the centers of gravity 20, 26 are located in the same vertical plane, and the center of gravity 26 is above the center of gravity 20. Placed in. Regarding the positions of the fixed plate 22 and the pendulum 18, the fixed plate 22 and the pendulum 18 are disposed close to each other in the length direction of the arm 2, and the pendulum 18 is disposed on the X-ray tube 3 side.
  • the oscillator 27 is used in the amplifying mechanism.
  • the pendulum 18 extends in the vertical direction and is superposed on the oscillator 27.
  • the oscillator 27 also extends in the vertical direction.
  • a pin 28 is provided on the guide member 9, and the swinger 27 is swingably attached around the pin 28 at the lower end of the swinger 27.
  • a longitudinal slot 29 is formed in the swing piece 27, a pin 30 is inserted into the slot 29, and the pendulum 18 and the swing piece 27 are connected by the pin 30. ing.
  • the oscillating element 31 is used in the amplifying mechanism.
  • the pendulum 18 extends in the vertical direction and is superposed on the oscillating element 31.
  • the oscillator 31 also extends in the vertical direction.
  • the oscillator 31 and the pendulum 18 are connected by a pin 32.
  • the position is the center position of the pendulum 18.
  • pins 33 and 34 are provided on the guide member 9.
  • the oscillator 31 is disposed between the pins 33 and 34 and engages with the pins 33 and 34.
  • the oscillator 30 is held.
  • the pin 33 is disposed on the X-ray tube 3 side
  • the pin 34 is disposed on the lever 13 side
  • the pin 33 is located above the pin 34.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

La présente invention concerne une table fluoroscopique à rayons X qui est conçue de telle sorte qu'un tube radiogène (3) est soutenu sur un bras (2) capable d'opérer une rotation dans la direction de l'axe du corps d'une personne examinée (1) et de s'étendre dans le sens de la longueur. Ledit bras (2) ne s'étend pas, et le tube radiogène (3) ne se déplace pas, accidentellement. Ladite table fluoroscopique à rayons X est dotée d'un mécanisme de verrouillage. Ledit mécanisme de verrouillage est mobile entre une position verrouillée et une position non verrouillée. En outre, lorsque le bras (2) est incliné vers le bas, un butoir est disposé à une position prédéterminée par rapport au mécanisme de verrouillage par gravité et le mécanisme de verrouillage est maintenu dans la position verrouillée, de manière à ne pas fonctionner.
PCT/JP2009/058686 2009-05-08 2009-05-08 Table fluoroscopique à rayons x WO2010128556A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2009/058686 WO2010128556A1 (fr) 2009-05-08 2009-05-08 Table fluoroscopique à rayons x
CN200980159192.8A CN102421363B (zh) 2009-05-08 2009-05-08 X射线透视摄影台
JP2011512287A JP5459519B2 (ja) 2009-05-08 2009-05-08 Ｘ線透視撮影台

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/058686 WO2010128556A1 (fr) 2009-05-08 2009-05-08 Table fluoroscopique à rayons x

Publications (1)

Publication Number Publication Date
WO2010128556A1 true WO2010128556A1 (fr) 2010-11-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/058686 WO2010128556A1 (fr) 2009-05-08 2009-05-08 Table fluoroscopique à rayons x

Country Status (3)

Country Link
JP (1) JP5459519B2 (fr)
CN (1) CN102421363B (fr)
WO (1) WO2010128556A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015192853A (ja) * 2014-03-20 2015-11-05 キヤノン株式会社 放射線発生用装置
CN111022905A (zh) * 2019-12-23 2020-04-17 上海联影医疗科技有限公司 一种安全保护机构、移动机架和dr设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198506B (zh) 2014-08-27 2017-11-07 清华大学 小角度自摆式大型多层螺旋ct设备和检查方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002172110A (ja) * 2000-10-06 2002-06-18 Koninkl Philips Electronics Nv Ｘ線システム
JP2003038471A (ja) * 2001-07-27 2003-02-12 Toshiba Corp Ｘ線診断装置
JP2003290185A (ja) * 2002-04-02 2003-10-14 Shimadzu Corp 回診用ｘ線装置
JP2009039332A (ja) * 2007-08-09 2009-02-26 Canon Inc 医用画像撮影装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002172110A (ja) * 2000-10-06 2002-06-18 Koninkl Philips Electronics Nv Ｘ線システム
JP2003038471A (ja) * 2001-07-27 2003-02-12 Toshiba Corp Ｘ線診断装置
JP2003290185A (ja) * 2002-04-02 2003-10-14 Shimadzu Corp 回診用ｘ線装置
JP2009039332A (ja) * 2007-08-09 2009-02-26 Canon Inc 医用画像撮影装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015192853A (ja) * 2014-03-20 2015-11-05 キヤノン株式会社 放射線発生用装置
CN111022905A (zh) * 2019-12-23 2020-04-17 上海联影医疗科技有限公司 一种安全保护机构、移动机架和dr设备

Also Published As

Publication number Publication date
CN102421363B (zh) 2014-05-07
JP5459519B2 (ja) 2014-04-02
JPWO2010128556A1 (ja) 2012-11-01
CN102421363A (zh) 2012-04-18

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