CN1210001C - X-ray imaging apparatus - Google Patents
X-ray imaging apparatus Download PDFInfo
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- CN1210001C CN1210001C CN 00808233 CN00808233A CN1210001C CN 1210001 C CN1210001 C CN 1210001C CN 00808233 CN00808233 CN 00808233 CN 00808233 A CN00808233 A CN 00808233A CN 1210001 C CN1210001 C CN 1210001C
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- 238000003384 imaging method Methods 0.000 title abstract 3
- 230000002093 peripheral effect Effects 0.000 claims abstract description 62
- 238000012423 maintenance Methods 0.000 claims description 87
- 239000004020 conductor Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 24
- 238000004364 calculation method Methods 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 10
- 208000031872 Body Remains Diseases 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 7
- 210000003050 axon Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002697 interventional radiology Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/548—Remote control of the apparatus or devices
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Abstract
An X-ray imaging apparatus comprising an annular holder whose radial direction is perpendicular to the floor, an annular rotary body held rotatably along the inner peripheral surface of the holder, X-ray sources disposed in radially opposed positions on the inner peripheral surface of the rotary body, and flat-panel two-dimensional X-ray sensor, wherein the rotary body is rotated to acquire X-ray image data collected omnidirectionally from a subject positioned in the space in the rotary body. The X-ray imaging apparatus is excellent in space factor of when the X-ray tube or the two-dimensionally X-ray sensor rotates.
Description
Technical field
The present invention relates to a kind of X ray photographic attachment, particularly relate to a kind of X ray photographic attachment that generates the 3 d image data and be suitable for being called as the therapy of IVR (operative catheter under the interventional radiology:X actinoscopy X).
Background technology
(coumputerized tomography: computer tomography) device has been commonly known to the public X ray CT, such CT device is general as being shown in Figure 11, central authorities in the gate-type framework 501 of box are provided with tunnel-shaped blank part 502, a part that lies in the health of the those who are investigated 505 on bed 503 the panel free to advance or retreat 504 enters in this blank part 502, under this state, the not shown X-ray tube by making the internal perisporium in opposite directions that is disposed at blank part 502 and the linear X-ray detector of arcuation turn round synchronously, thereby obtain the radioscopic image data of those who are investigated 505 the full Zhou Fangxiang that is examined the position, generate the faultage image that is examined the position in view of the above.Then,, obtain many those who are investigated's 505 the faultage image that is examined the position, can generate the 3 d image data that are examined the position as required in view of the above by single step feeding panel 504 (being single step feeding those who are investigated 505 the position that is examined) suitably.Known also have such method, it is that the radioscopic image booster replaces linear X-ray detector that this method is used 2 dimension X-ray detectors, generates the 3 d image data that are examined the position according to the radioscopic image data that are examined the full Zhou Fangxiang in position that 1 week of X-ray tube and radioscopic image booster revolution is obtained.
Such X ray CT device is very effective for the affirmation of the position at treatment target position and shape, but is not suitable for adopting the operation of IVR.Because patient's treatment target position need enter in the blank part 502 of gate-type framework 501, so, be difficult to guarantee to execute the installing space that patient and assistant treat required space smoothly and need be installed to patient's utensil, in addition, enter into occasion in the blank part 502 at patient's head, the expression etc. that can not observe the patient in the operation is to understand the sudden turn of events of the state of an illness, in addition, owing to have the thickness suitable, so the patient is formed constriction with gate-type framework 501.
Therefore, the past utilizes X ray photographic attachment as shown in Figure 12 to carry out IVR after being diagnosed by X ray CT device as described above.In Figure 12, symbol 601 is the base station member, symbol 603 is to be the base portion arm that the centre of gyration is installed on base station member 601 pivotally with revolution fulcrum 602, symbol 604 is the support that is installed on the arcuation of base portion arm 603 front ends, symbol 605 also can be along the C shape arm of support 604 revolution slip ormal weights for remaining in support 604, symbol 606 is the X-ray tube that is installed on C shape arm 605 1 sides' end, symbol 607 is the 2 dimension X-ray detectors that are installed on C shape arm 605 the opposing party's end, symbol 608 is a bed, symbol 609 is the panel of bed 608, and symbol 610 is for lying in the those who are investigated on the panel 609.
In X ray photographic attachment shown in Figure 12, those who are investigated 610 the position that is examined is between X-ray tube 606 and the 2 dimension X-ray detectors 607, base portion arm 603 is turned round towards arrow M direction, in addition, make C shape arm 605 towards the revolution of arrow N direction as required, thereby obtain those who are investigated 610 the 2 dimension radioscopic images at any angle that are examined the position.Therefore, when carrying out IVR, execute the patient can be observed the treatment target position of confirming the patient on one side by the monitor picture in the operating room 2 dimension radioscopic images, treat on one side (executing art), in addition, also can more easily guarantee to execute patient and assistant and treat requisite space and the installing space that need be installed on patient's utensil smoothly, in addition, also can observe the expression of the patient in the operation etc.
Yet, X ray photographic attachment shown in Figure 12 is not to be the device of purpose to obtain X ray CT, just obtain 2 dimension radioscopic images, so, in IVR, existence can not be held the problem of the position relation of the three-dimensional shape at treatment target position and treatment target position and the therapeutic appliance that is installed on catheter proximal end etc. intuitively.
In the X ray photographic attachment of above-mentioned Figure 12, make 360 ° of C shape arm 605 ( X-ray tube 606 and 2 dimension X-ray detectors 607) revolutions, obtain the tested radioscopic image data that are examined the full Zhou Fangxiang in position of having a medical check-up, also can generate the 3 d image data that are examined the position certainly according to these data., so, in the formation of Figure 12, the member track that turns round 360 ° takes up space greatly, has damaged the space factor in the operating room.In addition, because it is big from the span L 2 of base station member 601 to C shape arms 605 front ends, so, producing the dislocation that the deflection by structural member forms in the center of X-ray tube 606 and 2 dimension X-ray detectors 607, the image quality that the 3 d image rebuild occurs is the problem of spatial resolution decline.
(that is for example in fact put down in writing in " SPIE-The International Society for OpticalEngineering Vol.2708; PP361-370; 1996 " is such, must after to the skew of each radioscopic image correction center, rebuild the 3 d image data, amount of calculation increases, and existence can not obtain the problem of 3 d image data rapidly).
Therefore, the applicant can generate the 3 d image data and be applicable to that the X ray photographic attachment of IVR proposes in the flat 10-306238 of Japanese Patent Application number.Figure 13 illustrates to be recorded in this figure at the X of first to file photographic attachment.
In Figure 13, symbol 701 is for being provided with the base station member of circular through hole, symbol 702 circular revolving body for being kept pivotally along the inner peripheral surface of the through hole of base station member 701, symbol 703 is for being installed on the X-ray tube of revolving body 701 by the 1st arm 704, the 2 dimension X-ray detectors (radioscopic image booster or plate 2 dimension X-ray detectors) of symbol 705 for be installed on revolving body 701 by the 2nd arm 706, symbol 707 is a bed, and symbol 708 is the panel of bed 707.
In X ray photographic attachment shown in Figure 13, the not shown those who are investigated's that lie on the panel 708 the position that is examined is between X-ray tube 703 and the 2 dimension X-ray detectors 705, under this state, make revolving body 702 (being X-ray tube 703 and 2 dimension X-ray detectors 705) wraparound change 360 ° of central shaft P10 revolutions, obtain the radioscopic image data of the full Zhou Fangxiang that is examined the position of subject, can generate the 3 d image data that are examined the position according to these data.In addition, when carrying out IVR, execute the major part that the patient can observe patient's body, also can easily observe the expression of the patient in the operation etc., and, guarantee to execute patient and assistant easily and treat requisite space and the installing space that need be installed to patient's utensil smoothly.In addition, the span L 1 that from base station member 701 to photography is the end is compared also much shorter with the formation of Figure 12, so, basically can not produce the skew that the deflection by structural member forms in the center of X-ray tube 703 and 2 dimension X-ray detectors 705, the image quality of the 3 d image of reconstruction is that spatial resolution is good.
As described above, flat 10-306238 number (to call application formerly in the following text) in the technology that proposes before this, can provide the X that can generate 3 d image data and suitable IVR photographic attachment with Japanese Patent Application the applicant.
Yet, in according to above-mentioned X ray photographic attachment, protrude from revolving body 702 owing to be installed on the X-ray tube 703 and the 2 dimension X-ray detectors 705 of arm in first to file, so, the problem that exists this motion track to be difficult to learn.In addition, in above-mentioned X ray photographic attachment in first to file, panel that carries out various controls and calculation process etc. is installed in base station member 701, so, for the thickness (size of the axis direction of through hole) that reduces base station member 701, there is the limit in self, in addition,, X-ray tube 703 and 2 protrudes from the 1st arm 704 because tieing up X-ray detectors 705, so, there is certain limit in the further miniaturization of component parts for relative those who are investigated are provided with.In addition, in above-mentioned X ray photographic attachment, do not consider to make those who are investigated's that can be when desired arbitrarily angled acquisition IVR 2 dimension radioscopic images that are examined position (patient's treatment target position) in first to file.
Summary of the invention
The present invention makes in view of above-mentioned point, the good X ray photographic attachment of space factor when its purpose is a kind of x-ray source and 2 dimension X-ray detector revolutions are provided.In addition, the object of the present invention is to provide more flattening, that space factor is the more good X ray photographic attachment of component parts that relative detected person is provided with.In addition, the object of the present invention is to provide a kind of can be at the X ray photographic attachment of desired arbitrarily angled acquisition those who are investigated's 2 dimension radioscopic images that are examined position (patient's treatment target position).
A kind of X ray photographic attachment of the present invention, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of body to be kept pivotally, and be configured in respectively this revolving body interior week radially in opposite directions the x-ray source of position and 2 the dimension X-ray detectors, also comprise the motor that described revolving body revolution is driven, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, on a side of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set many cyclic electric conductors, simultaneously, on the opposing party of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set conduction brush with the sliding-contact relatively of described ring-type electric conductor, between described x-ray source and X-ray detector and panel, carrying out sending out of signal by described ring-type electric conductor and described conduction brush receives, this panel is provided in the outside of described maintenance body and revolving body, carry out various controls and calculation process, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
A kind of X ray photographic attachment of the present invention, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of the through hole of body to be kept pivotally, be configured in the radially position and be positioned at the square x-ray source of through hole of described maintenance body and 2 dimension X-ray detectors and motor that the revolution of described revolving body is driven in opposite directions of the inner peripheral surface of this revolving body respectively, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, on a side of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set many cyclic electric conductors, simultaneously, on the opposing party of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set conduction brush with the sliding-contact relatively of described ring-type electric conductor, between described x-ray source and X-ray detector and panel, carrying out sending out of signal by described ring-type electric conductor and described conduction brush receives, this panel is provided in the outside of described maintenance body and revolving body, carry out various controls and calculation process, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
A kind of X ray photographic attachment of the present invention, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of body to be kept pivotally, be configured in respectively this revolving body inner peripheral surface radially in opposite directions the x-ray source of position and plate 2 the dimension X-ray detectors, also comprise the motor that described revolving body revolution is driven, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, on a side of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set many cyclic electric conductors, simultaneously, on the opposing party of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set conduction brush with the sliding-contact relatively of described ring-type electric conductor, between described x-ray source and X-ray detector and panel, carrying out sending out of signal by described ring-type electric conductor and described conduction brush receives, this panel is provided in the outside of described maintenance body and revolving body, carry out various controls and calculation process, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
A kind of X ray photographic attachment of the present invention, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of body to be kept pivotally, be disposed at the x-ray source of this revolving body, reach the 2 dimension X-ray detectors that upwards are disposed at above-mentioned revolving body in the footpath of above-mentioned revolving body opposite to each other with this x-ray source, also comprise the motor that described revolving body revolution is driven, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, the a plurality of cyclic electric conductors of side configuration in the outer peripheral face side of the inner peripheral surface side of above-mentioned maintenance body and above-mentioned revolving body, and in the conduction brush of the opposing party's configuration with the relative sliding-contact of above-mentioned ring-type electric conductor of the outer peripheral face side of the inner peripheral surface side of above-mentioned maintenance body and above-mentioned revolving body, by above-mentioned ring-type electric conductor and above-mentioned conduction brush carry out above-mentioned x-ray source and above-mentioned X-ray detector and be disposed at above-mentioned maintenance body and the panel that is used for various controls and calculation process of above-mentioned revolving body outside between signal send out receipts, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
A kind of X ray photographic attachment of the present invention, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of body to be kept pivotally, be disposed at the x-ray source of this revolving body, reach the 2 dimension X-ray detectors that upwards are disposed at above-mentioned revolving body in the footpath of above-mentioned revolving body opposite to each other with this x-ray source, also comprise the motor that described revolving body revolution is driven, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, the sidepiece central authorities of above-mentioned maintenance body remain on the vertically upright supporting cylinder of establishing in relative ground, in addition, above-mentioned maintenance physical ability is that the centre of gyration is supported pivotally with the gyroaxis branch of the horizontal direction of being located at above-mentioned supporting cylinder, by being that the centre of gyration makes the revolution of above-mentioned maintenance body and above-mentioned revolving body one with gyroaxis branch, can face perpendicular to the ground relatively be verted in the imaginary circle plane of above-mentioned revolving body, on a side of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set many cyclic electric conductors, simultaneously, on the opposing party of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set conduction brush with the sliding-contact relatively of described ring-type electric conductor, between described x-ray source and X-ray detector and panel, carrying out sending out of signal by described ring-type electric conductor and described conduction brush receives, this panel is provided in the outside of described maintenance body and revolving body, carry out various controls and calculation process, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
A kind of X ray photographic attachment of the present invention, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of body to be kept pivotally, be disposed at the x-ray source of this revolving body, reach the 2 dimension X-ray detectors that upwards are disposed at above-mentioned revolving body in the footpath of above-mentioned revolving body opposite to each other with this x-ray source, also comprise the motor that described revolving body revolution is driven, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, can be that the centre of gyration keeps above-mentioned maintenance body pivotally with the vertical axis of rotation of the central point by above-mentioned revolving body, on a side of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set many cyclic electric conductors, simultaneously, on the opposing party of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set conduction brush with the sliding-contact relatively of described ring-type electric conductor, between described x-ray source and X-ray detector and panel, carrying out sending out of signal by described ring-type electric conductor and described conduction brush receives, this panel is provided in the outside of described maintenance body and revolving body, carry out various controls and calculation process, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
A kind of X ray photographic attachment of the present invention, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of body to be kept pivotally, be disposed at the x-ray source of this revolving body, reach the 2 dimension X-ray detectors that upwards are disposed at above-mentioned revolving body in the footpath of above-mentioned revolving body opposite to each other with this x-ray source, tested the having a medical check-up of spatial configuration between above-mentioned x-ray source and above-mentioned 2 dimension X-ray detectors, also comprise the motor that described revolving body revolution is driven, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, one side's of above-mentioned maintenance body sidepiece central authorities remain on the vertically upright supporting cylinder of establishing in relative ground, thereby can keep by one-sided support pattern, and, above-mentioned maintenance physical ability is that the centre of gyration is held pivotally with the gyroaxis branch of the vertical direction of being located at above-mentioned supporting cylinder, by being that the centre of gyration makes above-mentioned maintenance body and the revolution of above-mentioned revolving body one with above-mentioned gyroaxis branch, can keep under the vertical state with above-mentioned gyroaxis branch on relative ground is the imaginary circle plane rotation that the centre of gyration makes above-mentioned revolving body, on a side of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set many cyclic electric conductors, simultaneously, on the opposing party of the outer circumferential side of the inner peripheral surface side of described maintenance body and described revolving body, set conduction brush with the sliding-contact relatively of described ring-type electric conductor, between described x-ray source and X-ray detector and panel, carrying out sending out of signal by described ring-type electric conductor and described conduction brush receives, this panel is provided in the outside of described maintenance body and revolving body, carry out various controls and calculation process, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
A kind of X ray photographic attachment of the present invention, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of body to be kept pivotally, be disposed at the x-ray source of the inner peripheral surface of this revolving body, reach the plate 2 dimension X-ray detectors that upwards are disposed at the inner peripheral surface of above-mentioned revolving body in the footpath of above-mentioned revolving body opposite to each other with this x-ray source, also comprise the motor that described revolving body revolution is driven, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, the a plurality of cyclic electric conductors of side configuration in the outer peripheral face side of the inner peripheral surface side of above-mentioned maintenance body and above-mentioned revolving body, and in the conduction brush of the opposing party's configuration with the relative sliding-contact of above-mentioned ring-type electric conductor of the outer peripheral face side of the inner peripheral surface side of above-mentioned maintenance body and above-mentioned revolving body, by above-mentioned ring-type electric conductor and above-mentioned conduction brush carry out above-mentioned x-ray source and above-mentioned X-ray detector and be disposed at above-mentioned maintenance body and the panel that is used for various controls and calculation process of above-mentioned revolving body outside between signal send out receipts, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
In the typical example of X ray photographic attachment of the present invention, have make its radially relatively the maintenance body that vertically disposes of ground, can keep circular revolving body that the side face of body kept pivotally, and be configured in the radially x-ray source of position and the 2 dimension X-ray detectors in opposite directions in the interior week of this revolving body respectively along this, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space.In addition, it is circular preferably keeping body, and revolving body can be kept pivotally along the inner peripheral surface that keeps body, constitutes 2 dimension X-ray detectors by 2 plate dimension X-ray detectors.
In addition, side in the outer peripheral face side of inner peripheral surface side that keeps body and revolving body disposes a plurality of cyclic electric conductors, and in the opposing party configuration conduction brush with the relative sliding-contact of ring-type electric conductor, by ring-type electric conductor and conduction brush at x-ray source and X-ray detector and be disposed between the panel that is used for various controls and calculation process of maintenance body and revolving body outside and carry out signal transmitting and receiving.
In addition, keep a side's of body sidepiece central authorities to remain on the vertically upright supporting cylinder of establishing in relative ground, thereby can keep by one-sided support pattern, simultaneously, keeping physical ability is that the centre of gyration is supported pivotally with the gyroaxis branch that is located at the horizontal direction that supports cylinder, by being that the centre of gyration makes maintenance body and the revolution of revolving body one with gyroaxis branch, can face perpendicular to the ground relatively be verted in the imaginary circle plane of revolving body.
In addition, the bottom of supporting cylinder is connected in base portion arm body, base portion arm body can remain in ground towards horizontal direction pivotally with the lower central position in opposite directions that keeps body, by making the revolution of base portion arm body, can make the supporting cylinder, keep body, reach revolving body is the revolution of centre of gyration one with the vertical axis of rotation by the revolving body central point.
Description of drawings
Fig. 1 is the perspective view of formation that the X ray camera chain of the X ray photographic attachment that uses the present invention's the 1st form of implementation is shown.
Key diagram when Fig. 2 is in the reference position state for the X ray photographic attachment of the present invention's the 1st form of implementation.
Perspective view when Fig. 3 is in the reference position state for the X ray photographic attachment of the present invention's the 1st form of implementation.
Fig. 4 is the normal cross sectional drawing of the X ray photographic attachment of the present invention's the 1st form of implementation.
Fig. 5 is the cross-sectional side view of the X ray photographic attachment of the present invention's the 1st form of implementation.
Fig. 6 is the perspective view of formation that the X ray camera chain of the X ray photographic attachment that uses the present invention's the 2nd form of implementation is shown.
Key diagram when Fig. 7 is in the reference position state for the X ray photographic attachment of the present invention's the 2nd form of implementation.
Key diagram when Fig. 8 is in the reference position state for the X ray photographic attachment of the present invention's the 2nd form of implementation.
Fig. 9 is the sectional drawing of the X ray photographic attachment of the present invention's the 2nd form of implementation.
Figure 10 is the perspective view of the X ray photographic attachment of the present invention's the 3rd form of implementation.
Figure 11 is the perspective view of the X ray CT device of prior art.
Figure 12 is the perspective view of the X ray photographic attachment of prior art.
Figure 13 is the perspective view of the X ray photographic attachment of prior art.
The specific embodiment
Form of implementation of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the perspective view of formation that the X ray camera chain of the X ray photographic attachment that uses the present invention's the 1st form of implementation is shown.
In Fig. 1, symbol 1 is the X ray photographic attachment, and symbol 2 is a bed, and symbol 3 is the operating board of band display device 4, and symbol 5 is panel (switch board).In this routine X ray camera chain, band operating board 3 of display device 4 and panel 5 are configured in that to have another that can observe the window that is disposed at X ray photographic attachment 1 and bed 2 indoor.Wherein, though do not illustrate in the drawings, in fact the display device that is easy to be had by the position configuration of executing patient and assistant observation suitable platform number in operating room, this display device can show the view data after suitably being handled by the radioscopic image data of X ray photographic attachment 1 photography.In addition, the operating board 3 and the panel 5 of band display device 4 can be arranged in the operating room, also can be arranged on can monitor state in the operating room by television camera with the complete isolated control room of operating room in.
In panel 5, the X ray photography that Mechanical Driven control part, the x-ray source described later that is arranged at X ray photographic attachment 1 and 2 dimension X-ray detectors that each drive source described later that is used for internally being loaded on X ray photographic attachment 1 and bed 2 drives control are housed is control part, the image processing part that carries out Flame Image Process, system is all carried out master control part, and the power supply unit that is provided with as required etc. of master control.In addition, by the operation of operating board 3 each drive source of X ray photographic attachment 1 is driven control, make X ray photographic attachment 1 become desired posture, or the revolving body of X ray photographic attachment 1 described later is turned round, by X ray photography system the X ray photography is carried out at those who are investigated's the position that is examined, or the drive source that does not illustrate in the drawings of bed 2 driven control, make the arrow A direction advance and retreat of panel 6 along Fig. 1.In addition, operation by operating board 3, make 3 d image data etc. be generated to image processing part according to the radioscopic image data that obtain by X ray photography system, will be shown to the display device in the operating room and the display device of operating board 3 from the 3 d image data of image processing part output or 2 dimensional data images etc.
In the X ray photographic attachment 1 of shown in Figure 1 form of implementation, symbol 7 is the retaining member that is the L font substantially for watching from the front, by (parallel to the ground) base portion arm body 8 of level is constituted with the vertical upright supporting cylinder of establishing 9 is integrated from an end of base portion arm body 8, the revolution base portion 10 that remains in ground pivotally is set in the other end of base portion arm body 8.Symbol 11 is for remaining in supporting cylinder 9 lateral retainers pivotally, at the maintenance body 12 of these retainer 11 clamping rings shapes.Symbol 13 is for can be along keeping body 12 inner peripheral surfaces remain in the circular revolving body that keeps body 12 pivotally, the inner peripheral surface of this revolving body 13 radially in opposite directions the position dispose the 2 dimension X-ray detectors 15 that the x-ray source 14 that is made of X-ray tube and plate 2 dimension X-ray detectors constitute respectively.
In the X ray photographic attachment 1 of this form of implementation, by above-mentioned constitute make revolving body 13 can keep body 12 to turn round relatively towards the arrow B direction, retainer 11 (with keeping body 12, revolving body 13) can be turned round along the arrow C direction by relative retaining member 7, ground is along arrow D direction revolution relatively to make retaining member 7, and state shown in Figure 1 illustrates retainer 11 and retaining member 7 state from reference position revolution ormal weight.
In Fig. 1, Y-axis illustrates the not shown those who are investigated's that lie in panel 6 level body direction of principal axis, and X-axis illustrates the direction of the vertical and level of relative Y-axis, and the Z axle illustrates direction perpendicular to the ground.When X ray photographic attachment 1 was in reference position (normal condition), retaining member 7 was in state consistent with X-direction when the top is watched, and retainer 11 (and keeping body 12 and revolving body 13) is in the state that is positioned at the XZ plane.
Fig. 2 and Fig. 3 are the state of the X ray photographic attachment 1 when X ray photographic attachment 1 being shown being in the reference position, and Fig. 2 (a) is a front elevation, and Fig. 2 (b) is a plane graph, Fig. 2 (c) is a right hand view, and Fig. 2 (d) is left surface figure, and Fig. 2 (e) is a ground plan, Fig. 2 (f) is a back view, and Fig. 3 is a perspective view.
The cross-sectional side view of the X ray photographic attachment 1 the when normal cross sectional drawing of the X ray photographic attachment 1 when Fig. 4 is in reference position (normal condition) for X ray photographic attachment 1, Fig. 5 are in reference position (normal condition) for X ray photographic attachment 1.
As shown in Figure 4 and Figure 5, the part of the revolution base portion 10 of the base portion arm body 8 of retaining member 7 remains on the hole of being located at ground 17 hole of the anchorage element on ground 17 (or imbed) pivotally by bearing 18, and retaining member 7 can be centre of gyration revolution with rotary middle spindle P1.Rotary middle spindle P1 is by the central point 19 of revolving body 13.In addition, as shown in Figure 5, configuration retaining member CD-ROM drive motor 20 in the suitable hole on ground 17, this retaining member meshes with the gear 22 that is fixed in revolution base portion 10 with the output pinion 21 of CD-ROM drive motor 20.Therefore, make retaining member 7 wraparounds change the direction of arrow D revolution of central shaft P1 with the revolution of CD-ROM drive motor 20, accompany therewith, retainer 11, keep body 12, revolving body 13 to move towards the arrow D direction of Fig. 1 with being integral towards Fig. 1 by retaining member.At this moment, because rotary middle spindle P1 passes through the central point 19 of revolving body 13, so, even retaining member 7 revolutions, the central point 19 of revolving body 13 (in other words, reference center's point of the photography system that is made of x-ray source 14 and plate 2 dimension X-ray detectors 15) can not produce the position skew.
In addition, as shown in Figure 4, retainer CD-ROM drive motor 23 is installed in the supporting cylinder 9 of retaining member 7, this retainer is fixed in retainer 11 with the output link (output shaft that for example has the gear-box of reduction gearing row) 24 of CD-ROM drive motor 23.The rotary middle spindle P2 of output link 24 is by the central point 19 of revolving body 13.Therefore, make retainer 11 wraparounds change the arrow C direction revolution of central shaft P2 by retainer with the revolution of CD-ROM drive motor 23 towards Fig. 1, accompany therewith, keep body 12 also to move (the relative face perpendicular to the ground in imaginary circle plane that is revolving body 13 verts) integratedly towards the arrow C direction with revolving body 13.At this moment, because rotary middle spindle P2 passes through the central point 19 of revolving body 13, so, even retainer 11 revolutions, the central point 19 of revolving body 13 (in other words, reference center's point of the photography system that is made of x-ray source 14 and plate 2 dimension X-ray detectors 15) can not produce the position skew.
In addition, as shown in Figure 4, reinstall in retainer 11 and turn with CD-ROM drive motor 25, this revolving body is connected with the belt pulley portion 27 that is formed at revolving body 13 periphery parts by belt 28 with the belt pulley 26 of CD-ROM drive motor 25.
Therefore, make the inner peripheral surface revolution of revolving body 13 along circular maintenance body 12 by revolving body with the revolution of CD-ROM drive motor 25, like this, revolving body 13 is the arrow B direction revolution of rotary middle spindle P3 towards Fig. 1 with the central shaft that keeps body 12.
In addition, as shown in Figure 5, also be provided with the slip ring portion 30 that constitutes by a plurality of ring-type electric conductors in the outer peripheral face side that remains in the revolving body 13 that keeps body 12 by bearing 29 pivotally except that above-mentioned belt pulley portion 27 is, be arranged at the inner peripheral surface side that keeps body 12 (position that is provided with of conduction brush 31 can be in the optional position of maintenance body 12 inner peripheral surfaces) with conduction brush 31 that each ring-type electric conductor sliding-contact ground of this slip ring portion 30 is electrically connected often.The ring-type electric conductor of slip ring portion 30 is electrically connected to x-ray source 14 and the 2 dimension X-ray detectors 15 that are installed on revolving body 13, and in addition, independently each contact of conduction brush 31 is connected to above-mentioned panel 5 by suitable connection flexible cord means.
Promptly, in X ray photographic attachment 1 of the present invention, in order to realize keeping the densification of body 12 and revolving body 13 as much as possible, only carry x-ray source 14 and the 2 dimension X-ray detectors 15 such X ray necessary X ray photography system of photographing at revolving body 13, is that such loop system all removes from the X ray photographic attachment with the control system of X ray photography system and power supply system or Flame Image Process, the granting of accepting the signal between X ray photography system and the panel 5 by slip ring portion 30 and conduction brush 31 receives, and from external power source loop supply power.
In the X ray photographic attachment 1 of this form of implementation that constitutes like this, when obtain those who are investigated be examined the 3 d image data at position the time, for example make X ray photographic attachment 1 be the said reference location status, advance by driving panel 6, make the position that is examined of those who are investigated on the panel 6 that lies in bed 2 be in space in the revolving body 13.At this moment, those who are investigated's axon (Y-axis) and the planar plane of imaginary circle (XZ plane) orthogonal that comprises revolving body 13, in addition, those who are investigated's the center that is examined the position and the central point 19 of revolving body 13 are unanimous on the whole.
In addition, by under this state, driving revolving body CD-ROM drive motor 25, make 360 ° of revolving body 13 revolutions, drive control x-ray source 14 and plate 2 dimension X-ray detectors 15 simultaneously, the image processing part of above-mentioned panel 5 is taken into those who are investigated's the 2 dimension radioscopic image data that are examined full week of position from plate 2 dimension X-ray detectors 15, image processing part becomes Digital Image Data with 2 dimensional data image conversion process, afterwards, is stored in memorizer successively.Then, according to the operator's of operating board 3 operation indication, image processing part carries out known correcting process to Digital Image Data as required, afterwards, carries out known back projection and handles, and generates the 3 d image data thus, is stored in frame memory.In addition, operation indication according to the operator of operating board 3, the image processing part utilization is examined the 2 dimension radioscopic image data in the full week at position, by known method same as described above, generate the CT view data (faultage image data) of the desired section that is examined the position as required, there is frame memory in it.The generation method of these faultage image datas and 3 d image data is known, for example, generation method as faultage image data, use is called as the image reconstruction operation method of convolution method, in addition, generation method as the 3 d image data, use the cone-beam that Feldkempet proposed (コ-Application PVC-system) the image reconstruction operation method of " L.A.Feldkampet al.Practicalcone beam algorithm; J.Opt.Soc.Am.A; Vol.1; No.6, pp612-619,1984 " record etc.
Deposit in operator's the operation indication of the data based aforesaid operations platform 3 of cross-section image of the 3 d image data of above-mentioned frame memory or regulation section, be shown in the display device 4 and the display device that does not illustrate in the drawings in the operating room of operating board 3.Like this, the 3 d image data that are examined the position according to those who are investigated, doctors etc. can be held the position and the shape at treatment target position easily and positively by vision, in addition, by the revolution processing of 3 d image data and processing and amplifying etc., can confirm the position and the shape at treatment target position more reliably.And, since can be in the lump with reference to the faultage image data of desired section, so, can more positively diagnose.
After diagnosing according to 3 d image data as described above etc., when carrying out the treatment of IVR, as required, retaining member is suitably driven control with CD-ROM drive motor 20 and retainer with CD-ROM drive motor 23, make the arrow D direction revolution of retaining member 7 thus towards Fig. 1, make retainer 11 towards the revolution of the arrow C direction of Fig. 1, those who are investigated's axon is the imaginary circle plane that keeps body 12 to tilt arbitrarily angle and inclination angle up and down relatively.In addition, by driving revolving body, make revolving body 13 be positioned at desired rotary position with CD-ROM drive motor 25.Under this state, by x-ray source 14 and plate 2 dimension X-ray detectors 15 are driven control, obtain 2 dimensional data images from the desired angle at patient's treatment target position, in real time it is shown to the display device in the operating room, carry out the treatment of IVR.
Therefore, on one side execute 2 dimensional data images that patient and assistant can confirm the treatment target position in desired angle, Yi Bian undergo surgery exactly.And, owing to can make retaining member 7 and retainer 11 be turned back to position arbitrarily, so, execute the patient patient position of standing and being easy to treat most relatively, and, also can make circular maintenance body 12 and revolving body 13 be in the position that does not hinder treatment.In addition, because no matter which type of position revolving body 13 is in, the invariant position of its central point 19, so, even the imaginary circle plane that keeps body 12 is tilt arbitrarily the angle or up and down among the IVR of the state at inclination angle in relative those who are investigated's axon, also can obtain 3 d image data and faultage image data, in IVR, also can accurately observe the relation of three-dimensional shape and the treatment target position of confirming the treatment target position and the therapeutic appliance that is installed on catheter proximal end etc. in real time.
In addition, in this form of implementation, because the part of those who are investigated's (patient) health enters into radial thickness is little and axial length is extremely short circular maintenance body 12 and revolving body 13, so, the X ray photographic attachment that the constriction that those who are investigated (patient) are formed is few, make those who are investigated (patient) have open sense and feel at ease to feel can be provided, and, also can be easily and confirm the expression etc. of the patient in the operation reliably.Make the radial thickness that keeps body 12 and revolving body 13 is little and axial length is extremely short reason as described above, keeping body 12 that x-ray source 14 and plate 2 dimension X-ray detectors 15 only are set, the loop key element of increase volumes such as control loop system is not set in maintenance body 12 and revolving body 13, carries out the signal of x-ray source 14 and plate 2 dimension X-ray detectors 15 and outside by above-mentioned slip ring portion 30 and conduction brush 31 and send out receipts and power supply supply.
In addition, in this form of implementation, because inner peripheral surface configuration x-ray source 14 and plate 2 dimension X-ray detectors 15 at revolving body 13, so, photography system does not resemble the prior art of Figure 13 from revolving body towards radially protruding, therefore, can generate the 3 d image data of high image quality, the space factor in the time of can making x-ray source 14 and 15 revolutions of 2 dimension X-ray detectors is good.
In addition, in this form of implementation, densification by above-mentioned maintenance body 12 and revolving body 13, can guarantee easily also to execute that patient and assistant treat requisite space smoothly and in the space of patient's mounted apparatus, in addition, can make to keep body 12 and revolving body 13 lightweights, so, can realize the miniaturization of each drive source.
Fig. 6 is the perspective view of formation that the X ray camera chain of the X ray photographic attachment that uses the present invention's the 2nd form of implementation is shown, and in the figure, the part identical with front the 1st form of implementation is partly adopted same-sign, omits its explanation, to avoid repetition.
The X ray photographic attachment 1A of this form of implementation and the difference of above-mentioned the 1st form of implementation be, the bottom of circular maintenance body 12 is fixed on can relatively faces the base station member 51 that horizontal direction (being the arrow D direction among Fig. 6) is provided with pivotally.
Perspective view when Fig. 6 is in the reference position for X ray photographic attachment 1A, at this moment, keep body 12 and base station member 51 to be in state consistent with X-direction when the top is watched, the imaginary circle plane of the revolving body 13 that can keep pivotally along maintenance body 12 inner peripheral surfaces be the state that is in the XZ plane.Fig. 7 and Fig. 8 are the figure of the state of the X ray camera chain when X ray photographic attachment 1A being shown being in the reference position, and Fig. 7 (a) is a front elevation, and Fig. 7 (b) is a plane graph, Fig. 7 (c) is a right hand view, Fig. 8 (a) is left surface figure, and Fig. 8 (b) is a back view, and Fig. 8 (c) is a ground plan.The front of Fig. 7, Fig. 8 is suitable with the left surface of above-mentioned Fig. 2.
The sectional drawing of X ray photographic attachment 1A when Fig. 9 is in reference position (normal condition) for X ray photographic attachment 1A.As shown in Figure 9, the part of base station member 51 remains on the hole of being located at ground 17 hole of the anchorage element on ground 17 (or be embedded to) pivotally by bearing 52, base station member 51 is that the centre of gyration can turn round with rotary middle spindle P4, and rotary middle spindle P4 is by the central point 19 of revolving body 13.In addition, base station member CD-ROM drive motor 53 is carried in the appropriate location in base station member 51, and this base station member engages by suitable gear row with the output gear 54 of CD-ROM drive motor 53 with the rotating gear 55 of base station member 51 all one.Therefore,, make 51 wraparounds of base station member change central shaft P4 and turn round, accompany therewith, keep body 12 and revolving body 13 to move towards the arrow D direction of Fig. 6 towards the arrow D direction among Fig. 6 along with of the revolution of base station member with CD-ROM drive motor 53.At this moment, rotary middle spindle P4 is by the central point 19 of revolving body 13, so even base station member 51 revolution, the central point 19 of revolving body 13 (in other words reference center's point of the photography system that is made of x-ray source 14 and plate 2 dimension X-ray detectors 15) can not produce the position skew.
In addition, reinstall in base station member 51 and turn with CD-ROM drive motor 25, this revolving body is connected with the belt pulley portion 27 that is formed at revolving body 13 periphery parts by belt 28 with the output belt pulley 26 of CD-ROM drive motor 25.Therefore, by the revolution of revolving body with CD-ROM drive motor 25, make the inner peripheral surface revolution of revolving body 13 along circular maintenance body 12, like this, revolving body 13 is the arrow B direction revolution of rotary middle spindle P3 towards Fig. 6 with the central shaft that keeps body 12.
In the X ray photographic attachment 1A of this form of implementation that constitutes like this, the imaginary circle plane of revolving body 13 is except can not face perpendicular to the ground relatively verting, can similarly move with the X ray photographic attachment 1 of above-mentioned the 1st form of implementation, obtain the effect identical substantially with the X ray photographic attachment 1 of above-mentioned the 1st form of implementation.
Figure 10 is the perspective view of formation that the X ray photographic attachment of the present invention's the 3rd form of implementation is shown, and in the figure, the part identical with front the 1st form of implementation is partly adopted same-sign, omits its explanation, to avoid repetition.
X ray photographic attachment 1B of this form of implementation and above-mentioned the 1st form of implementation difference are, but wraparound commentaries on classics central shaft P5 fixedly remains on the upright supporting cylinder 61 that falls in ground with side's sidepiece of circular maintenance body 12 pivotally.Retainer 62 is driving arrow E direction revolution in Figure 10 by not shown retainer with the revolution of CD-ROM drive motor, makes thus to keep body 12 and revolving body 13 to move towards the arrow E direction with retainer 62 with being integral.Therefore, while can be in along the imaginary circle plane of the rotating revolving body 13 of inner peripheral surface of circular maintenance body 12 and keep plumbness with arbitrarily angled and the position Y-axis oblique.In this form of implementation, the revolution of retainer 62 is moved the central point 19 (in other words the photography that is made of x-ray source 14 and plate 2 dimension X-ray detectors 15 is reference center's point) of revolving body 13, so, preferably bed 2 is constituted movably towards eliminating this direction that moves.
In the X ray photographic attachment 1B of this form of implementation that constitutes like this, can not (vertical pendulum direction) verts under facing up perpendicular to the ground relatively except the imaginary circle plane of revolving body 13, can obtain the effect identical substantially with the X ray photographic attachment 1 of above-mentioned the 1st form of implementation.
As described above, according to the present invention, the good X ray photographic attachment of space factor when X-ray tube and 2 dimension X-ray detector revolutions can be provided.In addition, can provide the component parts X ray photographic attachment more compact, that space factor is good that relative those who are investigated are provided with.In addition, can be by desired arbitrarily angled acquisition those who are investigated's the X ray photographic attachment that radioscopic images are tieed up at 2 of position (patient's treatment target position) that is examined.
Claims (7)
1. X ray photographic attachment, it is characterized in that: have the circular maintenance body that its radially relative ground is vertically disposed, can be along this circular revolving body that keeps the inner peripheral surface of body to be kept pivotally, and be configured in respectively this revolving body interior week radially in opposite directions the x-ray source of position and 2 the dimension X-ray detectors, also comprise the motor that described revolving body revolution is driven, make above-mentioned revolving body revolution, can obtain to be positioned at the radioscopic image data that this turns round the tested full Zhou Fangxiang that haves a medical check-up in intravital space, on a side of the outer peripheral face side of the inner peripheral surface side of described maintenance body and described revolving body, set many cyclic electric conductors, simultaneously, on the opposing party of the outer peripheral face side of the inner peripheral surface side of described maintenance body and described revolving body, set conduction brush with the sliding-contact relatively of described ring-type electric conductor, between described x-ray source and X-ray detector and panel, carrying out sending out of signal by described ring-type electric conductor and described conduction brush receives, this panel is provided in the outside of described maintenance body and revolving body, carry out various controls and calculation process, by between the lateral surface side of the inner peripheral surface side of described maintenance body and described revolving body, bearing being set, described revolving body is bearing on the described maintenance body pivotally, through lateral surface, the revolution of described motor is delivered on the described revolving body.
2. X ray photographic attachment as claimed in claim 1 is characterized in that: described 2 dimension X-ray detectors are plate 2 dimension X-ray detectors.
3. X ray photographic attachment as claimed in claim 1, it is characterized in that: the sidepiece central authorities of above-mentioned maintenance body remain on the vertically upright supporting cylinder of establishing in relative ground, in addition, above-mentioned maintenance physical ability is that the centre of gyration is supported pivotally with the gyroaxis branch of the horizontal direction of being located at above-mentioned supporting cylinder, by being that the centre of gyration makes above-mentioned maintenance body and the revolution of above-mentioned revolving body one with gyroaxis branch, can face perpendicular to the ground relatively be verted in the imaginary circle plane of above-mentioned revolving body.
4. X ray photographic attachment according to claim 3, it is characterized in that: the bottom of above-mentioned supporting cylinder is connected in base portion arm body, above-mentioned base portion arm body can remain in ground towards horizontal direction pivotally in the lower central position in opposite directions with above-mentioned maintenance body, by making above-mentioned base portion arm body revolution, can make above-mentioned supporting cylinder, above-mentioned maintenance body, reach above-mentioned revolving body is the revolution of centre of gyration one with the vertical axis of rotation by the revolving body central point.
5. X ray photographic attachment as claimed in claim 1 is characterized in that: can be that the centre of gyration keeps above-mentioned maintenance body pivotally with the vertical axis of rotation of the central point by above-mentioned revolving body.
6. X ray photographic attachment according to claim 5 is characterized in that: above-mentioned maintenance body is configured on the base station member, and this base station member can be that the centre of gyration is configured in ground pivotally with the vertical axis of rotation of the central point by above-mentioned revolving body.
7. X ray photographic attachment as claimed in claim 1 is characterized in that:
One side's of above-mentioned maintenance body sidepiece central authorities remain on the vertically upright supporting cylinder of establishing in relative ground, thereby can keep by one-sided support pattern,
And, above-mentioned maintenance physical ability is that the centre of gyration is held pivotally with the gyroaxis branch of the vertical direction of being located at above-mentioned supporting cylinder, by being that the centre of gyration makes above-mentioned maintenance body and the revolution of above-mentioned revolving body one with above-mentioned gyroaxis branch, can keep under the vertical state with above-mentioned gyroaxis branch on ground relatively is the imaginary circle plane rotation that the centre of gyration makes above-mentioned revolving body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11124424A JP2000312674A (en) | 1999-04-30 | 1999-04-30 | X-ray radiographing device |
| JP124424/1999 | 1999-04-30 | ||
| JP124424/99 | 1999-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1353593A CN1353593A (en) | 2002-06-12 |
| CN1210001C true CN1210001C (en) | 2005-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00808233 Expired - Fee Related CN1210001C (en) | 1999-04-30 | 2000-04-28 | X-ray imaging apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2000312674A (en) |
| CN (1) | CN1210001C (en) |
| WO (1) | WO2000065998A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE304320T1 (en) | 2002-03-13 | 2005-09-15 | Breakaway Imaging Llc | SYSTEMS AND METHODS FOR QUASI-SIMULTANEOUS MULTIPLANAR X-RAY IMAGINATION |
| EP2915488B1 (en) | 2002-03-19 | 2019-06-05 | Medtronic Navigation, Inc. | Computer tomography with a detector following the movement of a pivotable x-ray source |
| DE60315642T2 (en) | 2002-06-11 | 2008-06-05 | Breakaway Imaging, LLC, Littleton | OUTSTANDING GANTRY DEVICE FOR X-RAYING THROUGH X-RAYS |
| AU2003262726A1 (en) | 2002-08-21 | 2004-03-11 | Breakaway Imaging, Llc | Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system |
| US7338207B2 (en) | 2002-08-21 | 2008-03-04 | Medtronic Navigation, Inc. | Gantry positioning apparatus for X-ray imaging |
| JP4820112B2 (en) * | 2005-05-18 | 2011-11-24 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | X-ray CT apparatus and X-ray CT fluoroscopy method |
| US10987068B2 (en) | 2012-06-14 | 2021-04-27 | Mobius Imaging Llc | Multi-directional x-ray imaging system |
| US9962132B2 (en) | 2012-06-14 | 2018-05-08 | Mobius Imaging, Llc | Multi-directional X-ray imaging system with single support column |
| EP2861148B1 (en) * | 2012-06-14 | 2020-08-19 | Mobius Imaging, LLC | Vertical scan imaging system |
| CN104873211A (en) * | 2014-02-27 | 2015-09-02 | 上海联影医疗科技有限公司 | Image positioning system and linear accelerator system |
| CN105204285A (en) * | 2015-10-07 | 2015-12-30 | 张善华 | Holographic projection type radiographic imaging instrument |
| US10624596B2 (en) | 2016-11-23 | 2020-04-21 | Mobius Imaging, Llc | Cantilevered x-ray CT system for multi-axis imaging |
| CN107744398B (en) | 2017-09-28 | 2020-10-20 | 北京东软医疗设备有限公司 | Imaging system |
| CN107582086B (en) * | 2017-09-28 | 2021-03-02 | 北京东软医疗设备有限公司 | Imaging device and frame thereof |
| CN107714064B (en) | 2017-09-28 | 2021-12-31 | 北京东软医疗设备有限公司 | Imaging device and medical apparatus |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61143042A (en) * | 1984-11-27 | 1986-06-30 | 横河メディカルシステム株式会社 | Swing mechanism of ct gantry |
| JPH0187706U (en) * | 1987-11-30 | 1989-06-09 | ||
| JPH03231641A (en) * | 1990-02-06 | 1991-10-15 | Toshiba Corp | Medical apparatus |
| JPH04352948A (en) * | 1991-05-30 | 1992-12-08 | Shimadzu Corp | X-ray computed tomography(ct) device |
| JPH07148150A (en) * | 1993-11-26 | 1995-06-13 | Toshiba Corp | Radiation computed tomography apparatus |
| US5473657A (en) * | 1994-02-08 | 1995-12-05 | Analogic Corporation | X-ray tomographic scanning system |
| US5448608A (en) * | 1994-02-08 | 1995-09-05 | Analogic Corporation | Tomographic scanner having center of rotation for all physics |
| JPH08131430A (en) * | 1994-11-11 | 1996-05-28 | Hitachi Medical Corp | X-ray ct system |
| JP3730319B2 (en) * | 1996-06-21 | 2006-01-05 | 株式会社東芝 | X-ray computed tomography system |
| JP3583567B2 (en) * | 1996-11-14 | 2004-11-04 | 株式会社日立メディコ | X-ray tomographic imaging device |
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1999
- 1999-04-30 JP JP11124424A patent/JP2000312674A/en active Pending
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2000
- 2000-04-28 WO PCT/JP2000/002817 patent/WO2000065998A1/en active Application Filing
- 2000-04-28 CN CN 00808233 patent/CN1210001C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN1353593A (en) | 2002-06-12 |
| JP2000312674A (en) | 2000-11-14 |
| WO2000065998A1 (en) | 2000-11-09 |
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