US3379877A - Tiltable table for radiofluoroscopic apparatus - Google Patents

Tiltable table for radiofluoroscopic apparatus Download PDF

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Publication number
US3379877A
US3379877A US444961A US44496165A US3379877A US 3379877 A US3379877 A US 3379877A US 444961 A US444961 A US 444961A US 44496165 A US44496165 A US 44496165A US 3379877 A US3379877 A US 3379877A
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United States
Prior art keywords
casing
gears
patient
tilting
radio
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Expired - Lifetime
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US444961A
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English (en)
Inventor
Makino Sumio
Endo Masayosi
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Toshiba Corp
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Tokyo Shibaura Electric Co Ltd
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Filing date
Publication date
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
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Publication of US3379877A publication Critical patent/US3379877A/en
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    • 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
    • A61B6/0487—Motor-assisted positioning
    • 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

Definitions

  • the casing, and with it the table, are tilted by a first driving motor around one end, in a direction to elevate the other; and a second driving motor tilts the table only and with respect to the casing, around the other end of said table and about an axis adjacent to the opposite end of said casing.
  • This invention relates to a radio-fluoroscopic apparatus and more particularly to a novel radio fluoroscopic apparatus wherein tilting and vertical movements of a table can be effected smoothly.
  • radiation therapeutic apparatus utilizing radioactive rays such as X-rays, electron rays and the like it is necessary to accurately determine the location, size and shape of diseased tissue or organ of a patient.
  • radiation therapeutic apparatus has been proposed wherein the body of a patient who was given a contrast medium utilizing radiations, such as a solution of barium, is inclined to various angles to determine the location, size and shape where of the disease occurs by observing the movement of the contrast medium in the body of the patient.
  • a radiation therapeutic apparatus in such a radiation therapeutic apparatus it is usual to lay the patient on a tiltable table which is disposed at a suitable height (about 80 centimeters, for example) above the floor and to determine the location of the diseased tissue by means of a source of radiations and a radiation detector associated with the table.
  • the conventional tilting apparatus for the table can be conveniently classified into the so-called two leg one point support type and one leg one point support type wherein a single supporting device is provided at substantially the mid-point of the table for tilting the table.
  • each one supporting device is provided at the fore and aft ends of the table and the table is constructed to rotate or swing around one of these supporting devices when it is desired to tilt the table.
  • a further object of this invention is to provide a novel radio-fluoroscopic apparatus wherein the height and angle of inclination of the table can be readily and smoothly varied.
  • a still further object of this invention is to provide a novel tilting apparatus for the table of a radio-fluoroscopic apparatus by which the table can be tilted in opposite directions over a wide range.
  • a preferred embodiment of this invention comprises a table adapted to support a patient, a source of radiations, and a detector responsive to said radiations after passing through the body or diseased portion of the patient, said detector and said source of radiations being adjustably mounted on said table in the longitudinal direction thereof a casing is located beneath the table.
  • a first driving mean is provided to tilt said casing around a first axis located adjacent to one end of the casing.
  • a second driving means secures the table to the casing and provides for tilting the table around a second axis located at the end of the table which is adjacent to the opposite end of said casing.
  • the casing encloses first and second driving motors, means to pivotally support said casing on a fixed axis transverse to said casing and located on the bottom thereof adjacent to one end of said table, a fixed arcuate sector gear, a gear driven by said first motor and arranged to cooperate with said arcuate sector gear to rotate said table around said transverse axis, a second arcuate sector gear mounted on said table near the opposite end thereof and a second gear driven by said second driving motor and arranged to cooperate with said second arcuate sector gear to rotate said table around the axis of said second gear.
  • a coupling means is provided between said casing of the tilting apparatus and said table to always interconnect them.
  • the table can be tilted around said transverse axis or around said axis of said second gear in the clockwise or counterclockwise direction to change the angle of inclination of said table over a wide range without any shock to the patient by the selective energization of said motors.
  • FIG. 1 shows a side elevation of a radio-fluoroscopic apparatus constructed in accordance with this invention in which solid lines indicate the horizontal position of a table and phantom lines the vertical position thereof;
  • FIG. 2 is a transverse sectional view of the apparatus shown in PEG. 1 taken along a line II-II, when it is in the horizontal position;
  • FIG. 3 is a sectional view taken along a line III-IlI of PEG. 2;
  • FIG. 4 is an enlarged sectional view of a coupling device between the table and a tilting apparatus
  • FIG. 5 is a side view of the radio-fluoroscopic apparatus when its table is tilted in the reverse direction;
  • FIG. 6 is a side view similar to FIG. 1 to explain the manner of varying the height of the table while it is maintained in the horizontal direction.
  • a radio-fluoroscopic apparatus generally designated by a reference numeral 10 in FIGS. 1 and 2 comprises a table 11 upon which a patient is to be laid to take a radiofiuoroscope or for medical treatment purposes, and a tilting apparatus to tilt this table, which is generally designated by a numeral 12.
  • the table 11 is shaped like a boat. It has a supporting frame 14 and an upper plate 13 supported thereby and is adapted to directly support a patient thereon, said upper plate being made of a laminated board, a press board, an aluminum plate and the like which are transparent to radiations.
  • a suitable source of radiations 15 such as an X-ray tube, a betatron, C0 and the like
  • a suitable detecting apparatus 16 such as an X-ray fluorescent plate, photographic film and the like is mounted above the table to oppose said source of radiations 15. As best shown in FIG.
  • the supporting frame 14 comprises a pair of side frames 17 and 13 made of aluminum or iron tubing, the upper plate 13 and plates 19 of aluminum which are secured to the upper, fore and aft and side surfaces of the frame work. It is preferable to construct the table to have light weight as far as possible to effect its easy manipulation.
  • the tilting device 12 for the table comprises a pair of arcuate gears 21 and 22 having teeth 26 on their outer surfaces and respectively secured to the opposing inner walls of the side frames 17 and 18 at the right hand end of the table, as viewed in FIG, 1 and driving gears 23 and 24 meshing with the arcuate gears 21 and 22, respectively.
  • a pair of opposing longitudinal guide channel members 25 and 26 adapted to slidably support the radiation source 15 are secured on the upper portion of the inner walls of the side frames 17 and 13, as shown in FIG. 2.
  • a pair of longitudinal guide channel members 27 and 28 are secured on the upper and lower portion of the inner wall of the side frame 17 to slidably receive a balancing weight 29 for the purpose to be described later.
  • the radiation source 15 including a suitable window 30, diaphragm device 31 and the like is mounted on a supporting arm 38 which is slidably mounted on a supporting frame 32.
  • This supporting frame is provided with a pair of upright arms 33 and 34 which serve to journal guide rolls 35 and 36 rolling along said guide channel members 25 and 26, respectively.
  • a duct 37 is connected to the radiation source 15 through which extends a high potential cable when the source comprises an X-ray tube or betatron or a control flexible cable when the source comprises cobalt 60.
  • cobalt 60 is located separate from the table in which case the duct 37 is used to transmit radiations from cobalt 60 to the window 30.
  • An arm 33 extending through the side frame 18 of the table 11 is connected to the supporting frame 32..
  • the detector 16 is supported by the outer end. of the arm 38 through arms 39 and 40.
  • the frame 46 is so positioned as to cause said detector 16 and radiation source 15 to oppose each other and is provided with shielding plates 42 and 43, generally termed as protective aprons to guard the operator against radiations.
  • an operating handle 44- is provided for the frame 4-0 to move the radiation source 15 and the detector 16 along the guide channels 25 and 26, and a stop plate 45 is provided at one end of the table to support the patient when the table is tilted.
  • this apparatus is mounted upon a rigid foundation 519 through a table plate 51 extending between side frames 17 and 13.
  • the table 11 is supported on the table plate 51 by means of a pair of spaced pedestals 53 which are connected to the bottom of the table by means of pivot pins 52 at or near the lower left hand end of the table as viewed in FIG. 1,
  • the driving means of the tilting apparatus 12 also com prises a pair of driving motors 54 and 55 positioned beneath the central portion of the table 11 and driving gears 23, 24 and 56 respectively driven by said motors.
  • the gears '56 mesh with stationary arcuate sector gears 57 having their centers of curvatures at the axes of said pivot pins 52, and the gears 23 and 24 mesh with the teeth 26 of the arcuate gears 21 and 22 as described hereinbefore.
  • the driving motors 54 and 55 are enclosed in a rigid casing 60 made of steel plates, for example, and are arranged to drive gears 23, 24 and 56, respectively, through couplers 61 and 62, reduction gears 63 and 64, internal gears 65, 66, 69 and 70 and driving shafts 67 and 68.
  • the gears 56 When driven by the motor 54, the gears 56 will rotate along the sector gears 57 to tilt the tilting apparatus 12 around the axes of the pivots 52 which are transverse to the table while the gears 23 and 24 rotate along the sector gears 21 and 22 to tilt the table 11 around the axes of the gears 23 and 24.
  • FIG. 4 shows the detail of a coupling device between the tilting apparatus 12 and the table 11, wherein a reference numeral 60 represents a portion of the casing which encloses the driving means of the tilting apparatus and said driving shaft d8 is shown to extend through it. At the outer end of this shaft is secured the gear 23 by means of a pin 71. This gear 23 meshes with the teeth 20 of the sector gear 21 which is secured on the outside of a reinforcing plate 72. by means of a screw 76, said plate 72 being welded to the side frame 17 of the table. A stud 74 of a guide roll 73 is secured to the casing 70 to guide the roll along an arcuate channel 75 having the same center of curvature as the sector gear 21. It should be understood that an identical coupling device is also provided between the driving gear 24 and the arcuate gear 22.
  • a patient (not shown), assumed to have a disease in his stomach, is laid on and fixed to the horizontal top plate 13 of the table 11 with his feet in contact with the stop plate 55 and with his head directed towards the left, as viewed in FIG. 1. Ordinarily his breast is directed towards the doctor 16, and then the patient is given a contrast agent such as a solution of barium.
  • a contrast agent such as a solution of barium.
  • the table 11 will be turned or tilted in the counterclockwise direction to the position indicated in FIG. 5.
  • the motor 54 is energized to rotate the driving gears 56 in the clockwise direction to move them upwardly along sector gears 57 whereby to tilt the table by an angle of about 30 in the counterclockwise direction to the position indicated in FIG. 5.
  • the relative position between the driving gears 23, 24 and the sector gears 21 remains unchanged.
  • Such a state of inclination wherein the head of the patient is held below his feet is commonly termed as reverse inclination.
  • the motor 55 is energized to tilt the table around the axes of the gears 23 and 24 by the cooperating action of these gears and sector gears 21.
  • the electric motor 55 is energized to rotate the table from the horizontal position to the vertical position shown in FIG. 1.
  • the casing 60 is maintained stationary in its horizontal position and the gears 23 and 24 are driven in the clockwise direction so that the roller 73 will be rotated in the arcuate channel 74 integral with the; sector gear 21'.
  • the operator manipulates the handle 44, FIG. 1, to move longitudinally the radiation source 15 along channels 25 and 26 through arms 40, 39 and 38 and supporting arms 33 and 24.
  • the total weight of the detector 16, the arm 38, the radiation source I15, etc. causes the balancing weight 29 located on the left hand side of the table (FIG. 2) to always cooperate therewith along guide channels 27 and 28.
  • the detail of the mechanism for adjusting the balancing weight 29 is not shown in the drawing because it is immaterial to the present invention.
  • the table of the radio-fluoroscopic apparatus can be tilted to various positions over a wide angle including reversely tilted position, shown in FIG. 5 and vertical position, shown in FIG. 1. Moreover as the table and the tilting apparatus therefor are always coupled together, the table can be tilted by any desired angle without imparting any undesirable shock to the patient.
  • the motor 55 is so driven that the table 11 is reversely tilted by means of the tilting apparatus 12.
  • the motor 54 may be driven so as to tilt the table to the direction of the reverse inclination. This may be achieved by rotating the driving gears 56 in the clockwise direction and setting the length of the sector gears 57 meshing therewith to be long. While it is obvious that the angle of the reverse inclination is affected by the configuration of the table 11 or of the radiation source 15 or the like, it is able to reversely tilt the table by 75 or even substantially 90.
  • the table utilized in radiation therapy may be tilted over a wide range covering or even to +90 or more.
  • the table is positively coupled to the tilting apparatus so that it is moved smoothly without imparting any undesirable shock to the patient.
  • the horizontal height of the table can be varied to any suitable height convenient to operators.
  • a radio-fluoroscopic apparatus comprising a table adapted to support a patient and the like, a source of radiation, a detector responsive to said radiation after passing through the body of said patient, said source of radiation and said detector being mounted on said table, a casing located under the table, and means to tilt said table, said means including a first driving means to tilt said casing around a first axis located adjacent to one end of said casing and a second driving means to mount said table on said casing and tilt said table with respect to said casing around a second axis located at the end of the table which is adjacent to the opposite end of said casing.
  • said means to tilt said table comprises first and second driving motors, and means supporting said casing on a fixed axis transverse to said casing and located adjacent to one end of said table, a fixed arcuate sector gear, a gear driven by said first motor and arranged to cooperate with said arcuate sector gear to rotate said table around said transverse a.;is, a second arcuate sector gear mounted on the table near the opposite end thereof and a second gear driven by said second driving motor and arranged to cooperate with said second arcuate sector gear to rotate said table with respect to the casing around the axis of said second gear.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Radiation-Therapy Devices (AREA)
US444961A 1964-04-24 1965-04-02 Tiltable table for radiofluoroscopic apparatus Expired - Lifetime US3379877A (en)

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JP2322264 1964-04-24

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DE (1) DE1466926A1 (xx)
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697802A (en) * 1986-05-05 1987-10-06 Siemens Aktiengesellschaft X-ray diagnostics installation including a tilting table
US20070101500A1 (en) * 2005-11-10 2007-05-10 Maquet Gmbh & Co. Kg Apparatus for adjusting the bed of an operating table
US20070101497A1 (en) * 2005-11-10 2007-05-10 Maquet Gmbh & Co. Kg Hydraulic column clamping
US20070107124A1 (en) * 2005-11-14 2007-05-17 Maquet Gmbh & Co. Kg Patient bed system
US20070110448A1 (en) * 2005-11-14 2007-05-17 Jurgen Ruch Method and device for bidirectional IR data transfer between a medical treatment table and an operator control device
US20070107125A1 (en) * 2005-11-14 2007-05-17 Maquet Gmbh & Co. Kg Operating table
US20070107126A1 (en) * 2005-11-14 2007-05-17 Maquet Gmbh & Co. Kg Device for adjusting an operating table
US20070107129A1 (en) * 2005-11-14 2007-05-17 Maquet Gmbh & Co. Kg Patient bed for an operating table
US20070116512A1 (en) * 2005-11-14 2007-05-24 Maquet Gmbh & Co. Kg Joint arrangement for the connection of two segments of a patient bed
US20070118989A1 (en) * 2005-11-14 2007-05-31 Maquet Gmbh & Co. Kg Patient bed system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61196947A (ja) * 1985-02-27 1986-09-01 株式会社東芝 起倒寝台の安全装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1874582A (en) * 1930-11-01 1932-08-30 Westinghouse X Ray Co Inc Tilt table
US1957720A (en) * 1930-11-28 1934-05-08 Westinghouse X Ray Co Inc X-ray tilt table and bucky unit
US2835824A (en) * 1956-06-26 1958-05-20 Keleket X Ray Corp X-ray apparatus
US3131301A (en) * 1961-06-26 1964-04-28 Picker X Ray Corp Waite Mfg Tiltable x-ray table comprising means to produce a variable speed translational movement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1874582A (en) * 1930-11-01 1932-08-30 Westinghouse X Ray Co Inc Tilt table
US1957720A (en) * 1930-11-28 1934-05-08 Westinghouse X Ray Co Inc X-ray tilt table and bucky unit
US2835824A (en) * 1956-06-26 1958-05-20 Keleket X Ray Corp X-ray apparatus
US3131301A (en) * 1961-06-26 1964-04-28 Picker X Ray Corp Waite Mfg Tiltable x-ray table comprising means to produce a variable speed translational movement

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697802A (en) * 1986-05-05 1987-10-06 Siemens Aktiengesellschaft X-ray diagnostics installation including a tilting table
EP0244560A1 (de) * 1986-05-05 1987-11-11 Siemens Aktiengesellschaft Röntgendiagnostikgerät mit einem Kipptisch
US20070101500A1 (en) * 2005-11-10 2007-05-10 Maquet Gmbh & Co. Kg Apparatus for adjusting the bed of an operating table
US20070101497A1 (en) * 2005-11-10 2007-05-10 Maquet Gmbh & Co. Kg Hydraulic column clamping
US7865985B2 (en) 2005-11-10 2011-01-11 Maquet Gmbh & Co. Kg. Hydraulic column clamping
US7669261B2 (en) 2005-11-10 2010-03-02 Maquet Gmbh & Co. Kg Apparatus for adjusting the bed of an operating table
US7634826B2 (en) 2005-11-14 2009-12-22 Maquet Gmbh & Co. Kg Patient bed system
US7694366B2 (en) * 2005-11-14 2010-04-13 Maquet Gmbh & Co. Kg Operating table
US20070107129A1 (en) * 2005-11-14 2007-05-17 Maquet Gmbh & Co. Kg Patient bed for an operating table
US20070116512A1 (en) * 2005-11-14 2007-05-24 Maquet Gmbh & Co. Kg Joint arrangement for the connection of two segments of a patient bed
US20070118989A1 (en) * 2005-11-14 2007-05-31 Maquet Gmbh & Co. Kg Patient bed system
US20090119842A1 (en) * 2005-11-14 2009-05-14 Maquet Gmbh & Co. Kg Patient bed system
US20070107125A1 (en) * 2005-11-14 2007-05-17 Maquet Gmbh & Co. Kg Operating table
US20070110448A1 (en) * 2005-11-14 2007-05-17 Jurgen Ruch Method and device for bidirectional IR data transfer between a medical treatment table and an operator control device
US7669258B2 (en) 2005-11-14 2010-03-02 Maquet GbmH & Co. KG Patient bed system
US20070107126A1 (en) * 2005-11-14 2007-05-17 Maquet Gmbh & Co. Kg Device for adjusting an operating table
US20100107340A1 (en) * 2005-11-14 2010-05-06 Maquet Gmbh & Co. Kg Operating table
US7757316B2 (en) 2005-11-14 2010-07-20 Maquet Gmbh & Co. Kg. Patient bed system
US7810185B2 (en) 2005-11-14 2010-10-12 Maquet GmbH & Co. KGaA Device for adjusting an operating table
US7818839B2 (en) 2005-11-14 2010-10-26 Maquet GmbH & Co. KGaA Patient bed for an operating table
US20070107124A1 (en) * 2005-11-14 2007-05-17 Maquet Gmbh & Co. Kg Patient bed system
US7896569B2 (en) 2005-11-14 2011-03-01 Maquet Gmbh & Co. Kg Joint arrangement for the connection of two segments of a patient bed
US8161586B2 (en) * 2005-11-14 2012-04-24 Maquet Gmbh & Co. Kg Operating table
US8249457B2 (en) 2005-11-14 2012-08-21 Maquet Gmbh & Co. Kg Method and device for bidirectional IR data transfer between a medical treatment table and an operator control device

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Publication number Publication date
NL131089C (xx)
DE1466926A1 (de) 1969-05-29
NL6505263A (xx) 1965-10-25

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