WO2009128166A1 - Ｘ線透視撮影装置 - Google Patents

Ｘ線透視撮影装置 Download PDF

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Publication number
WO2009128166A1
WO2009128166A1 PCT/JP2008/057599 JP2008057599W WO2009128166A1 WO 2009128166 A1 WO2009128166 A1 WO 2009128166A1 JP 2008057599 W JP2008057599 W JP 2008057599W WO 2009128166 A1 WO2009128166 A1 WO 2009128166A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide groove
top plate
width
head
subject
Prior art date
Application number
PCT/JP2008/057599
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
貴由 岡村
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/JP2008/057599 priority Critical patent/WO2009128166A1/ja
Priority to CN2008801286992A priority patent/CN102006827B/zh
Priority to JP2010508078A priority patent/JP4952961B2/ja
Publication of WO2009128166A1 publication Critical patent/WO2009128166A1/ja

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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
    • A61B6/4411—Constructional features of apparatus for radiation diagnosis the apparatus being modular

Definitions

  • This invention relates to an X-ray fluoroscopic apparatus.
  • a pair of guide grooves are often provided on the top plate.
  • the guide groove has an opening that opens upward, extends in the length direction of the top plate, and is formed along both side edges of the top plate.
  • the opening has a width smaller than the width of the inside of the guide groove, and is formed at the center in the width direction of the guide groove (see Patent Document 1).
  • the leg of the shoulder rest is moved along each guide groove.
  • the position can be adjusted arbitrarily.
  • the leg portion does not come out from the opening of the guide groove. The same applies to the grip bar that the subject grips.
  • the extended top plate is often abutted against the end of the top plate, and the top plate is often extended by the extended top plate.
  • a protrusion having a cross-sectional shape corresponding to the guide groove is provided on the extended top plate, which is inserted from the end of each guide groove, fitted into the inside of each guide groove, and the extended top plate is attached by each guide groove.
  • a stopper is provided at the end of each guide groove. In this case, the protrusion of the extension top plate cannot be inserted from the end of each guide groove, and the extension top plate is inserted by each guide groove. It cannot be installed.
  • a platform in an X-ray fluoroscopic apparatus having a top plate with a pair of guide grooves, a platform can be attached by each guide groove, and an extended top plate can also be attached by each guide groove. It was made for the purpose. JP-A-8-131433
  • a pair of guide grooves are provided on the top plate on which the subject is placed, and the guide grooves have openings that open upward, extend in the length direction of the top plate, and along both side edges of the top plate. It is formed.
  • the opening has a width smaller than the width inside the guide groove, and is formed at the center in the width direction of the guide groove.
  • a stopper is provided at the end of each guide groove on the subject's foot side of the top board. Therefore, the leg portion of the platform on which the subject's foot is placed can be fitted into each guide groove, moved along each guide groove, and engaged with the stopper.
  • the extended top board is abutted against the end of the top board, and the top board is extended by the extended top board. Furthermore, when a pair of protrusion part protrudes from an extended top plate and abuts an extended top plate to the terminal end of a top plate, each protrusion part is arrange
  • the head has a width equal to or smaller than the width of the opening of the guide groove and is disposed horizontally. Therefore, when the extended top plate is brought into contact with the end of the top plate, each head can be inserted from the opening of each guide groove and fitted inside each guide groove. Furthermore, the head has a length longer than the width of the opening of the guide groove and equal to or shorter than the width of the inside of the guide groove. After each head is fitted, the rotation shaft and the head are rotated by the rotation operation mechanism. The rotating shaft and head rotate 90 °.
  • a lifting operation mechanism is provided between the protrusion and the rotating shaft. After the rotating shaft and the head are rotated, the rotating shaft and the head are pulled up by the lifting operation mechanism, and each head is pressed against the inner wall surface of each guide groove. It is done.
  • FIG. 2A It is a side view which shows the Example of this invention. It is a disassembled perspective view of the top plate and extension top plate of FIG. 2A is a cross-sectional view of the guide groove, head, rotating shaft, and first and second knobs of FIG. 2, and B is a plan view of the first knob.
  • 3A is a sectional view showing a state in which the head of FIG. 3 is rotated and pulled up, and B is a plan view of the first knob.
  • FIG. 1 shows an X-ray fluoroscopic apparatus according to the present invention.
  • This apparatus has an X-ray tube 1 for fluoroscopic imaging of a subject.
  • a pair of guide grooves 3 are provided on the top plate 2 on which the subject's body is placed, and the guide grooves 3 have an opening 4 that opens upward. 2 is formed along both side edges of the top plate 2.
  • a pair of auxiliary members 5 are arranged along both side edges of the top plate 2 and are fixed to the upper surface and side surfaces thereof, and each auxiliary member 5 is provided with each guide groove 3.
  • the guide groove 3 has a rectangular cross-sectional shape
  • the inside of the guide groove 3 is formed by horizontal and vertical inner wall surfaces 6, and the opening 4 has a width W 1 inside the guide groove 3. It has a smaller width W2, extends in the length direction of the top plate 2, and is formed at the center of the guide groove 3 in the width direction.
  • the extended top board 8 is abutted against the end of the top board 2, and the top board 2 is extended by the extended top board 8. Therefore, for example, when the subject's body is shifted in the length direction of the top 2 and the subject's head is fluoroscopically photographed by the X-ray tube 1, the subject's feet can be placed on the extended top 8.
  • the pair of projecting portions 9 project from the extended top plate 8.
  • the protruding portion 9 is plate-shaped, and is attached and fixed to the upper surface of the extended top plate 8.
  • the protrusions 9 are disposed above the guide grooves 3.
  • the pair of heads 10 are combined with the pair of rotating shafts 11, and the rotating shafts 11 are attached to the protruding portions 9 at positions corresponding to the guide grooves 3.
  • the rotating shaft 11 has a diameter equal to or smaller than the width W2 of the opening 4 of the guide groove 3, and extends vertically and is rotatable.
  • each head 10 is provided at the lower end of each rotating shaft 11.
  • the head 10 is formed of a rectangular parallelepiped, has a width equal to or smaller than the width W2 of the opening 4 of the guide groove 3, and is disposed horizontally.
  • each head 10 when the extended top plate 8 is brought into contact with the end of the top plate 2, each head 10 can be inserted from the opening 4 of each guide groove 3 and can be fitted inside each guide groove 3.
  • the stopper 7 is disposed between the head 10 and the extended top plate 8. Therefore, regardless of the stopper 7, each head 10 can be easily fitted and the extended top plate 8 can be brought into contact with the end of the top plate 2.
  • each protrusion 9 can be engaged with the upper surface of each auxiliary member 5, and when engaged, the opening 4 of each guide groove 3 is covered by each protrusion 9.
  • FIG. 3A shows this state.
  • the head 10 has a length L that is longer than the width W2 of the opening 4 of the guide groove 3 and equal to or shorter than the width W1 inside the guide groove 3.
  • the rotation operation mechanism is composed of a ring-shaped first knob 12, and its inner hole is fitted to the outer peripheral surface of the rotating shaft 11, and the first knob 12 engages with the upper surface of the protruding portion 9. Furthermore, the rotating shaft 11 has a pin 13 extending in the radial direction, and the pin 13 penetrates the rotating shaft 11 and protrudes on both sides thereof.
  • the first knob 12 has a pair of slots 14, which are formed on the inner peripheral surface of the first knob 12 and extend in the axial direction thereof. Further, in the radial direction of the first knob 12, the slots 14 face each other, and both ends of the pin 13 are fitted into the slots 14 of the first knob 12. Therefore, when the first knob 12 is rotated around the rotation shaft 11, the rotation shaft 11 and the head 10 can be rotated by the pin 13 and the slot 14.
  • a pulling operation mechanism is provided between the protruding portion 9 and the rotating shaft 11. After the rotating shaft 11 and the head 10 are rotated, the rotating shaft 11 and the head 10 are pulled up by the pulling operation mechanism, and each head 10 is moved to each guide. It is pressed against the inner wall surface 6 of the groove 3. FIG. 4A shows this state. Therefore, the extended top plate 8 is fixed and stabilized by the protruding portion 9, the rotating shaft 11, and the head 10.
  • the pulling operation mechanism is composed of a ring-shaped second knob 15 and has a screw groove formed in its inner hole. Further, a screw groove is formed on the outer peripheral surface of the rotating shaft 11 and is screwed into the screw groove of the second knob 15, and the second knob 15 engages with the upper surface of the first knob 12. Accordingly, the first and second knobs 12 and 15 are provided between the protruding portion 9 and the rotating shaft 11, and the rotating shaft 11 and the head 10 are supported by the second knob 15, and the second knob 15 is rotated. When rotating around the shaft 11, the rotating shaft 11 and the head 10 are pulled up by the screw groove. Therefore, in each guide groove 3, each head 10 is pressed against the upper horizontal inner wall surface 6, the reaction force is transmitted to the rotating shaft 11 and the second knob 15, and the first knob 12 and the protrusion 9 are Receive. In this way, the extension top plate 8 is fixed.
  • a slot 16 is formed in the first knob 12, and a pin 17 is inserted in the slot 16.
  • the slot 16 has an arc shape and extends in the axial direction of the first knob 12.
  • the rotation axis 11 is formed over an angle range of 90 °.
  • the pin 17 is composed of a bolt, extends in the axial direction of the first knob 12, is screwed onto the upper surface of the protruding portion 9, and is fixed. Therefore, when the first knob 12 is rotated around the rotation axis 12, the pin 17 is displaced along the slot 16, and when the first knob 12 is rotated 90 ° as shown in FIG. The pin 17 engages with one end, and the first knob 12 cannot be rotated any further.
  • two slots 16 are formed with an angular interval of 180 ° around the rotating shaft 11, and two pins 17 are provided with an angular interval of 180 ° around the rotating shaft 11.
  • the pins 17 are inserted into the slots 16 and screwed onto the upper surface of the protrusion 9 to be fixed. Accordingly, each pin 17 is displaced along each slot 16 and engages with one end of each slot 16. Thereafter, when the first knob 12 is rotated in the reverse direction, the pin 17 is displaced along the slot 16, and when the first knob 12 is rotated 90 °, the pin 17 is engaged with the other end of the slot 16, The first knob 12 cannot be rotated any further. Therefore, the rotating shaft 11 and the head 10 can be rotated by 90 °.
  • two depressions 18 are formed around the rotary shaft 11 at an angular interval of 90 ° on the upper surface of the protrusion 9.
  • an axial hole 19 is formed in the lower surface of the first knob 12, a spring 20 is accommodated in the axial hole 19, a small ball 21 is fitted, and the small ball 21 is elastically biased by the spring 20, A small ball 21 is fitted in the recess 18. Therefore, when the first knob 12 is rotated around the rotation shaft 11, the small ball 21 is retracted into the axial hole 19, detached from the one recess 18, and moved along the upper surface of the protrusion 9. When the first knob 12 is rotated 90 °, the small sphere 21 is fitted into the other recess 18.
  • indentations 18 are formed at an angular interval of 90 ° around the rotation axis 11
  • two small spheres 21 are provided at an angular interval of 180 ° around the rotation axis 11
  • Each small ball 21 is fitted into one recess 18, and each small ball 21 is fitted into the other recess 18 when the first knob 12 is rotated 90 °. Therefore, when the first knob 12 is rotated by 90 °, it can be confirmed by the small ball 21.
  • the leg of the step can be fitted into each guide groove 3, and the step can be attached by each guide groove 3. Furthermore, a stopper 7 is provided at the end of each guide groove 3 on the subject's foot side of the top board 2. When the leg portion of the step is moved along the guide groove 3 and engaged with the stopper 7, The leg portion does not come off from the end of the guide groove 3.
  • each head 10 is inserted from the opening 4 of each guide groove 3 and fitted into each guide groove 3. be able to. Thereafter, when the rotary shaft 11 and the head 10 are rotated by the first knob 12, the extended top plate 8 can be attached by the respective guide grooves 3. The rotary shaft 11 and the head 10 can be pulled up by the second knob 15 and the extension top plate 8 can be fixed and stabilized. Therefore, it is not necessary to insert each head 10 from the end of each guide groove 3, and even if the stopper 7 is provided at the end of each guide groove 3, there is no problem.
  • the guide groove 3 has a rectangular cross section, but this is not necessarily required.
  • a so-called groove may be provided as a guide groove.
  • the opening 4 may have a width W2 smaller than the width W1 inside the guide groove 3 and may be formed at the center in the width direction of the guide groove 3.

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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)
PCT/JP2008/057599 2008-04-18 2008-04-18 Ｘ線透視撮影装置 WO2009128166A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2008/057599 WO2009128166A1 (ja) 2008-04-18 2008-04-18 Ｘ線透視撮影装置
CN2008801286992A CN102006827B (zh) 2008-04-18 2008-04-18 X射线透视摄像装置
JP2010508078A JP4952961B2 (ja) 2008-04-18 2008-04-18 Ｘ線透視撮影装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/057599 WO2009128166A1 (ja) 2008-04-18 2008-04-18 Ｘ線透視撮影装置

Publications (1)

Publication Number Publication Date
WO2009128166A1 true WO2009128166A1 (ja) 2009-10-22

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Application Number Title Priority Date Filing Date
PCT/JP2008/057599 WO2009128166A1 (ja) 2008-04-18 2008-04-18 Ｘ線透視撮影装置

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Country Link
JP (1) JP4952961B2 (zh)
CN (1) CN102006827B (zh)
WO (1) WO2009128166A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10871531B2 (en) 2017-01-23 2020-12-22 Koninklijke Philips N.V. Fixation mechanism and a MRI system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108971177A (zh) * 2018-07-22 2018-12-11 菲仕医学设备（武汉）有限公司 一种自动定位的酶标微孔板固定装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08131433A (ja) * 1994-11-08 1996-05-28 Hitachi Medical Corp Ｘ線透視撮影装置
JPH09313481A (ja) * 1996-05-29 1997-12-09 Shimadzu Corp 被検体載置台
JP2007215808A (ja) * 2006-02-17 2007-08-30 Shimadzu Corp 医用断層画像撮影装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2734140Y (zh) * 2004-09-27 2005-10-19 侯宗来 Ct机扫描床的双向头托

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08131433A (ja) * 1994-11-08 1996-05-28 Hitachi Medical Corp Ｘ線透視撮影装置
JPH09313481A (ja) * 1996-05-29 1997-12-09 Shimadzu Corp 被検体載置台
JP2007215808A (ja) * 2006-02-17 2007-08-30 Shimadzu Corp 医用断層画像撮影装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10871531B2 (en) 2017-01-23 2020-12-22 Koninklijke Philips N.V. Fixation mechanism and a MRI system

Also Published As

Publication number Publication date
JPWO2009128166A1 (ja) 2011-08-04
JP4952961B2 (ja) 2012-06-13
CN102006827A (zh) 2011-04-06
CN102006827B (zh) 2012-11-21

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