CN104905807B - Radiographic apparatus - Google Patents

Radiographic apparatus Download PDF

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Publication number
CN104905807B
CN104905807B CN201510105337.3A CN201510105337A CN104905807B CN 104905807 B CN104905807 B CN 104905807B CN 201510105337 A CN201510105337 A CN 201510105337A CN 104905807 B CN104905807 B CN 104905807B
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diagnostic bed
diagnostic
pallet
bed
framework
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CN201510105337.3A
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CN104905807A (en
Inventor
佐藤弘明
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Canon Medical Systems Corp
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Toshiba Medical Systems Corp
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Abstract

The present invention provides a kind of more compact radiographic apparatus.The radiographic apparatus of embodiment has for loading the diagnostic bed of subject, camera chain, pallet and diagnostic bed driving mechanism.Camera chain via relative to the diagnostic bed long side mobile framework made a relative move along the diagnostic bed longitudinal direction and with the diagnostic bed connection, and have X-ray tube and X-ray detector.Pallet via connection framework and with the diagnostic bed connection, to support described diagnostic bed.Diagnostic bed driving mechanism makes the diagnostic bed standing or falls down.The diagnostic bed driving mechanism at least makes the diagnostic bed standing or the part fallen down be present in the bottom position more on the lower than the diagnostic bed long side mobile framework between the pallet.

Description

Radiographic apparatus
Technical field
Embodiments of the present invention are related to a kind of radiographic apparatus.
Background technique
As existing radiographic apparatus, has the diagnostic bed X-ray for being able to carry out and erecting or falling down and go up and down Diagnostic device is being commercialized.It is able to carry out and erects or that falls down and go up and down diagnostic bed typically connects via connection framework In the driving mechanism for being gone up and down and being rotated relative to pallet.In turn, it is equipped with relative to diagnostic bed diagnostic bed diagnostic bed Longitudinal direction on the long side mobile framework that moves in parallel.Have X-ray tube moreover, being fixed in long side mobile framework and penetrated with X The camera chain of thread detector.
In the radiographic apparatus with this construction, working space is formed between driving mechanism diagnostic bed.Cause This, can cooperatively adjust diagnostic bed height and gradient with the job position of the doctor in working space, to make Operation becomes easy.
In addition, due to diagnostic bed driving mechanism be set to connection framework the other end, can make it is diagnostic bed closely Plate.In other words, it can be ensured that the stroke of diagnostic bed short transverse.
Summary of the invention
The purpose of the present invention is to provide a kind of more compact radiographic apparatus.
The radiographic apparatus of embodiments of the present invention has for loading the diagnostic bed of subject, camera chain, frame Platform and diagnostic bed driving mechanism.Camera chain is via relative to described diagnostic bed along the diagnostic bed longitudinal direction progress phase To mobile long side mobile framework with the diagnostic bed connection, and have X-ray tube and X-ray detector.Pallet via Connection framework and with the diagnostic bed connection, to support described diagnostic bed.Diagnostic bed driving mechanism makes the diagnostic bed standing Or it falls down.The diagnostic bed driving mechanism, be present in the diagnostic bed standing or the part fallen down than the examination The position of the bottom of the long side mobile framework between bed and the pallet more on the lower.
Detailed description of the invention
Fig. 1 is the side view for indicating the structure of radiographic apparatus of embodiments of the present invention.
Fig. 2 is the main view of radiographic apparatus shown in FIG. 1.
Fig. 3 is the perspective view of radiographic apparatus shown in FIG. 1.
Fig. 4 is the perspective view for indicating the structure example of diagnostic bed driving mechanism shown in FIG. 1.
Specific embodiment
The radiographic apparatus of embodiments of the present invention has for loading the diagnostic bed of subject, camera chain, frame Platform and diagnostic bed driving mechanism.Camera chain is via relative to described diagnostic bed along the diagnostic bed longitudinal direction progress phase To mobile long side mobile framework with the diagnostic bed connection, and have X-ray tube and X-ray detector.Pallet via Connection framework and with the diagnostic bed connection, to support described diagnostic bed.Diagnostic bed driving mechanism makes the diagnostic bed standing Or it falls down.The diagnostic bed driving mechanism to be at least present in the diagnostic bed standing or the part fallen down more diagnostic bed than described The position of the bottom of the long side mobile framework between the pallet more on the lower.
It is explained with reference to the radiographic apparatus of embodiments of the present invention.
Fig. 1 is the side view for indicating the structure of radiographic apparatus of embodiments of the present invention, and Fig. 2 is shown in FIG. 1 The main view of radiographic apparatus, Fig. 3 are the perspective views of radiographic apparatus shown in FIG. 1.
Radiographic apparatus 1 has diagnostic bed 2, camera chain 3, pallet 4 and diagnostic bed driving mechanism 5.Diagnostic bed 2 It is the constituent element for loading the subject for the object for becoming X-ray.That is, subject is placed in diagnostic bed 2.Photography System 3 has X-ray tube 3A and X-ray detector 3B.In addition, camera chain 3 via long side mobile framework 6 and with it is diagnostic bed 2 connections.For the long side mobile framework 6 of camera chain 3 and diagnostic bed 2 connection to be set between diagnostic bed 2 and pallet 4, and structure As can be made a relative move relative to diagnostic bed 2 along diagnostic bed 2 longitudinal direction.
As concrete example, guide rail can be formed in diagnostic bed 2 side, make long side mobile framework 6 along guide rail diagnostic bed 2 Longitudinal direction on be moved parallel to.Thereby, it is possible to make the camera chain 3 for being fixed on long side mobile framework 6 and long side movable frame Frame 6 is moved parallel to relative to diagnostic bed 2 with diagnostic bed 2 longitudinal direction together.
On the other hand, pallet 4 is fixed on the ground for being provided with the X-ray examination room of radiographic apparatus 1.Moreover, pallet 4 link via connection framework 7 with diagnostic bed 2.It diagnostic bed 2 is supported as a result, by pallet 4.
Diagnostic bed driving mechanism 5 at least has the function of making diagnostic bed 2 to erect or fall down.Diagnostic bed driving mechanism 5 can It is constituted using for making diagnostic bed 2 rotating mechanisms 8 for erecting or falling down relative to the stationary system comprising pallet 4.Whirler Structure 8 is set to the position of not 4 side end of pallet of the connection framework 7 for being connected to pallet 4 by diagnostic bed 2.Therefore, frame is connected Frame 7 and pallet 4 link without via rotating mechanism 8.
If the construction of diagnostic bed driving mechanism 5 is made into this construction, match with 4 side end of pallet in connection framework 7 The case where setting rotating mechanism 8, i.e. connection framework 7 can make to examine via rotating mechanism 8 and compared with the case where pallet 4 links Bed driving mechanism 5 is compact.In other words, the size in space needed for constituting diagnostic bed driving mechanism 5 can be reduced.This is because The space of configuration rotating mechanism 8 is no longer needed between pallet 4 and connection framework 7.
It is further preferred, that by it is in the constituent element of diagnostic bed driving mechanism 5, as at least make it is diagnostic bed 2 erect or The rotating mechanism 8 for the part fallen down is set as the bottom position more on the lower than the long side mobile framework 6 between diagnostic bed 2 and pallet 4 It sets.In particular, rotating mechanism 8 is set between diagnostic bed 2 and connection framework 7 more effectively as illustrated.In this case, It can be avoided the interference between long side mobile framework 6 and rotating mechanism 8, and can make to be carried on the weight of rotating mechanism 8 only For diagnostic bed 2 and the weight of camera chain 3.Thus, it is also possible to reduce rigidity required by rotating mechanism 8.
Alternatively, it is also possible to using other than rotating mechanism 8 mechanism, for example arrange multiple cylinder mechanisms along vertical direction and form Mechanism, make diagnostic bed 2 parts for erecting or falling down in the constituent element to constitute diagnostic bed driving mechanism 5.In the situation Under, it similarly can be by leaning on diagnostic bed 2 parts for erecting or falling down more set on the bottom than long side mobile framework 6 Under position obtain identical effect.That is, can be avoided makes diagnostic bed 2 standing or the part fallen down and long side mobile framework Interference between 6, and can make to be carried on the weight of diagnostic bed 2 parts for erecting or falling down is made to be only diagnostic bed 2 and take the photograph The weight of shadow system 3.
In addition, diagnostic bed driving mechanism 5 can also be made to have the function of making diagnostic bed 2 lifting.In diagnostic bed driving mechanism 5 In the case where having the function of making diagnostic bed 2 lifting, as illustrated, in diagnostic bed driving mechanism 5, further setting makes to examine Elevating mechanism 9 of the bed 2 relative to the stationary system lifting comprising pallet 4.Hereinafter, having to diagnostic bed driving mechanism 5 makes to examine The case where 2 standing of bed or the function of falling down and go up and down, is illustrated.
About connection framework 7, from the interference avoided between long side mobile framework 6, reduce between pallet 4 and diagnostic bed 2 From the viewpoint of rigidity required by required space and connection framework 7, by connection framework 7 under long side mobile framework 6 Side directly or indirectly links with pallet 4 can also be effective.In particular, if as illustrated by connection framework 7 and frame Platform 4 directly links, then can be further simplified the construction of diagnostic bed driving mechanism 5.In this case, in the frame of connection framework 7 Elevating mechanism 9 is arranged in 4 side of platform.That is, connection framework 7 is made to have the function as the lifting frame gone up and down along pallet 4.Moreover, sharp The elevating mechanism 9 for linking diagnostic bed 2 side and pallet 4 used in the lower section of long side mobile framework 6 makes diagnostic bed 2 lifting.
In addition, can be using the space for the two sides for being formed in connection framework 7 as the operation space of user.
Fig. 4 is the perspective view for indicating the structure example of diagnostic bed driving mechanism 5 shown in FIG. 1.
The elevating mechanism 9 of diagnostic bed driving mechanism 5 can for example be constituted using such as lower drive mechanism, which makes With chain 9A and sprocket wheel (with chain 9A meshed gears).In the example in the figures, using power transmission belt 9C by motor 9B's Output shaft and speed reducer 9D link.Moreover, the output shaft of speed reducer 9D directly links with sprocket wheel, or via gear etc. and with Sprocket wheel links indirectly.Therefore, the moving in rotation of the output shaft of speed reducer 9D is converted into the shifting of chain 9A by the rotation of sprocket wheel It is dynamic.In turn, connection framework 7 can be made to go up and down and linking chain 9A with connection framework 7.
It, also can be by having used the driving mechanism of rack gear and pinion gear to constitute liter other than structure example shown in Fig. 4 Descending mechanism 9.In addition, rack gear is the linear stick after cutting, pinion gear is the small-bore circular gear being engaged with rack.? In the case where being constructed using rack and pinion, the pinion gear linked with the output shaft of speed reducer rotates, and passes through the rotation of pinion gear And the rack gear to move linearly will link with connection framework 7.If constructed using rack and pinion, vibration can be realized Dynamic reduction.
On the other hand, the rotating mechanism 8 of diagnostic bed driving mechanism 5 can be constituted, the driving using such as lower drive mechanism Mechanism has used the gear 8B and sector gear (sector gear) 8C for being linked to line shaft 8A.Moreover, also can will be diagnostic bed 2 are fixed on sector gear 8C, and make diagnostic bed 2 inclination by the rotation of sector gear 8C.
In other words, in that above radiographic apparatus 1, in the long side mobile framework for keeping camera chain 3 mobile 6 lower section is configured with for making the rotating mechanism 8 of diagnostic bed 2 lifting and the diagnostic bed driving mechanism 5 for erecting or falling down wait structures At element.
Therefore, according to radiographic apparatus 1, the size of diagnostic bed driving mechanism 5 can be reduced.Specifically, with Laminated configuration has for by the diagnostic bed company connecting with pallet between the long side mobile framework and pallet for keeping camera chain mobile Knot frame erects or falls down with rotating that gear, existing radiographic apparatus is compared made of lifting frame, can shorten frame Length between platform 4 and diagnostic bed 2.
Therefore, according to radiographic apparatus 1, it can ensure diagnostic bed 2 elevating function and standing or function of falling down While be set in narrower inspection chamber.Therefore, X can be arranged in the relatively narrow inspection chamber for being difficult to be configured in the past to penetrate Ray diagnosis apparatus 1.On the contrary, if it is wider inspection chamber, then it can be effectively flexibly using the indoor space of inspection.
In addition, according to radiographic apparatus 1, it, can since the length between pallet 4 and diagnostic bed 2 can be shortened Improve the rigidity of the part as cantilevered construction of radiographic apparatus 1.As a result, it is possible to inhibit to vibrate, and related raising X The picture quality of ray image.
More than, specific embodiment is described, but documented embodiment is an example, is not used to limit The range of invention.The new method and device recorded herein can be implemented by various other modes.In addition, herein Locate to be able to carry out various omissions, replacement without departing from the spirit of the invention in the method recorded and the mode of device And change.Appended claims and its equivalent as include invention range and purport in part, packet Containing these various modes and variation.

Claims (2)

1. a kind of radiographic apparatus, which has:
It is diagnostic bed, for disposing subject;
Camera chain is moved via relative to the diagnostic bed long side made a relative move along the diagnostic bed longitudinal direction Frame and with the diagnostic bed connection, and have X-ray tube and X-ray detector;
Connection framework carries diagnostic bed driving mechanism set on the lower section of long side mobile framework, wherein the diagnostic bed driving mechanism Including making the diagnostic bed standing or the rotating mechanism to fall down and the elevating mechanism for making the diagnostic bed lifting;And
Pallet, configuration are examined in the diagnostic bed long side mobile framework side and than the long side mobile framework far from described Depending on the position of bed, via the connection framework with the diagnostic bed connection;
The connection framework, in the rotating mechanism that a diagnostic bed side bearing makes the diagnostic bed standing or falls down, described One side bearing of pallet makes the elevating mechanism of the diagnostic bed lifting.
2. radiographic apparatus according to claim 1,
The connection framework and the pallet are directly or indirectly linked in the lower section of the long side mobile framework.
CN201510105337.3A 2014-03-13 2015-03-11 Radiographic apparatus Active CN104905807B (en)

Applications Claiming Priority (2)

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JP2014050764A JP6425901B2 (en) 2014-03-13 2014-03-13 X-ray diagnostic device
JP2014-050764 2014-03-13

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CN104905807A CN104905807A (en) 2015-09-16
CN104905807B true CN104905807B (en) 2019-06-25

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CN107014840A (en) * 2017-05-11 2017-08-04 苏州科耐视智能科技有限公司 A kind of X-ray nondestructive detector

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JPH06285060A (en) * 1993-04-01 1994-10-11 Toshiba Corp X-ray radiographying device
JPH07246202A (en) * 1994-03-11 1995-09-26 Hitachi Medical Corp Fluoro-radiographic stand
JP2776275B2 (en) * 1994-10-31 1998-07-16 株式会社島津製作所 X-ray fluoroscope
JP3986630B2 (en) * 1997-08-28 2007-10-03 株式会社日立メディコ X-ray fluoroscopy table
JP4013337B2 (en) * 1998-06-18 2007-11-28 株式会社島津製作所 X-ray diagnostic equipment
JP2003305029A (en) * 2002-04-17 2003-10-28 Hitachi Medical Corp X-ray diagnostic apparatus
JP4360266B2 (en) * 2004-05-06 2009-11-11 株式会社島津製作所 Radiation diagnostic equipment
JP4655586B2 (en) * 2004-10-29 2011-03-23 株式会社島津製作所 X-ray fluoroscopic equipment
JP4709655B2 (en) * 2006-01-30 2011-06-22 株式会社東芝 X-ray diagnostic equipment
JP2008054749A (en) * 2006-08-29 2008-03-13 Toshiba Corp X-ray diagnostic apparatus, and method for guiding operation
IT1393120B1 (en) * 2009-03-05 2012-04-11 Gen Medical Merate Spa RADIOLOGICAL EQUIPMENT
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CN104905807A (en) 2015-09-16
JP6425901B2 (en) 2018-11-21

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