CN104735891A - Rotating frame, related rack, computer fault imaging instrument - Google Patents
Rotating frame, related rack, computer fault imaging instrument Download PDFInfo
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- CN104735891A CN104735891A CN201410809117.4A CN201410809117A CN104735891A CN 104735891 A CN104735891 A CN 104735891A CN 201410809117 A CN201410809117 A CN 201410809117A CN 104735891 A CN104735891 A CN 104735891A
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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]
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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]
- A61B6/035—Mechanical aspects of 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
- A61B6/02—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
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
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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
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
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- 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
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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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4266—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a plurality of detector units
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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
- A61B6/48—Diagnostic techniques
- A61B6/482—Diagnostic techniques involving multiple energy imaging
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Abstract
The invention is based on the realization that a rotating frame must be made stable, especially in the direction of the acting centrifugal forces during rotation. Furthermore, the inventors have recognized that with a sufficiently strong and stiff annular or cylindrical reinforcing frame, the centrifugal forces can result in a stabilization of components which are mounted on the inside of the reinforcing frame. Therefore, the inventors propose according to a first variant in front of the rotating frame of the gantry of a CT scanner on a cylindrical base (14) set up with a central axis of rotation. The stability of this base body is increased by a reinforcing frame having at least two annular reinforcing elements (15), wherein the reinforcement elements (15) outside of the base body (14) and are arranged concentrically to the central axis of rotation. In this case, the reinforcing elements (15) are provided in such a way to the basic body (14) in communication, that the reinforcing elements (15) acting to hold onto the basic body (14) are designed centrifugal forces.
Description
Technical field
The present invention relates to a kind of rotating frame of the frame for computed tomograph, a kind of frame for computed tomograph and a kind of computed tomograph.Computed tomograph is designed for generation radioscopic image, especially profile.Computed tomograph is mainly used in medical imaging, but also can be applied in material Non-Destructive Testing and other technologies region.Image is rebuild from measurement data, and wherein, measurement data comprises the projection from multiple different projecting direction.In order to take the projection from different projecting direction, x-ray source and rotating around shooting area with the coefficient X-ray detector of x-ray source.In the structure of computed tomograph, all should rotating parts especially x-ray source and X-ray detector are arranged in so-called rotating frame.This rotating frame is also referred to as " cylinder " or the rotating part of the frame of the machine of calculation laminagraphy instrument.This rotating frame is pivotally bearing in frame housing.Frame housing also has fixing bracing frame, fixed panel element or water conservancy diversion plate on this bracing frame.Rotating frame is such as pivotally bearing in again in this bracing frame by rolling bearing or by magnetic bearing.
Background technology
For avoiding may, rebuilding the motion artifacts formed in image, being devoted to select little as far as possible by higher velocity of rotation by the time range being used for the projection be detected as needed for reconstruction due to the motion in shooting area.In current computed tomograph device, realize the rotating speed of 240 revs/min.But in the future, rotating speed should rise at least 300 revs/min.By rotating speed, the larger radius of gyration and higher rotating mass that combination is higher, rotating frame is the parts that mechanical load is higher, these parts also ensure the maintenance of the position of x-ray source and X-ray detector except absorbing the pressure of appearance, because the remarkable damage that may cause picture quality is moved in the position of parts in sub-millimeter meter range.Therefore, be higher stability to the fundamental requirement of rotating frame, especially higher intensity and rigidity, to keep the distortion of rotating frame little as far as possible and the position of parts being therefore kept for taking projection is moved little as far as possible.
Therefore, rotating frame is generally fabricated as metal casting, especially aluminium casting.Certainly, the stability of rotating frame also causes higher material consumption and larger weight by the solid structure raising of rotating frame.Therefore, for drive the parts of rotor and frame housing also must with larger gravity and the larger centrifugal force caused thus adaptive.Therefore, advise in DE 102008036019 A1, the composite material with metal matrix strengthened by particle manufactures rotating frame.
Summary of the invention
Therefore, technical problem to be solved by this invention is, can with the rotating frame of the technical as far as possible simply frame of mode and method construct computed tomograph.This technical problem is solved by a kind of rotating frame of the frame for computed tomograph, this rotating frame comprises the columniform matrix with central rotation axis, and comprise the reinforced frame with at least two annular reinforcing element, wherein, reinforcing element is arranged in the outside of matrix and coaxially arranged with central rotation axis, wherein, reinforcing element and matrix connect into, and make reinforcing element be designed for absorption to the centrifugal force on matrix.
The present invention is based on this understanding, the direction of the centrifugal force that rotating frame must mainly act on when rotating being configured to stable.In addition, the present inventor recognizes, in the enough large annular of strength and stiffness or columniform reinforced frame, centrifugal force can cause being installed in the stable of the parts on the inner side of reinforced frame.Therefore, the present inventor, by the first modification suggestion, the cylindrical base with central rotation axis is configured to the rotating frame of the frame of computed tomograph.The stability of this matrix is improved by the reinforced frame with at least two annular reinforcing element, and wherein, reinforcing element is arranged in the outside of matrix and coaxially arranged with central rotation axis.At this, reinforcing element is connected with matrix in this wise, makes reinforcing element be designed for absorption to the centrifugal force on matrix.Change simply especially technically by the first modification of solution of the present invention.
In addition, annular reinforcing element does not extend in the whole size of cylindrical base along pivot center.Therefore, the solid construction that material is relatively traditional and being saved, thus by rotating frame of the present invention, there is weight little especially.That is can be designed as by rotating frame of the present invention, make it realize extra high rotating speed by extra high stability comparing under less weight.
The stability of rotating frame, the mode that the stability of the power that rotating frame especially relatively can be caused to reverse is enhanced further is that crossbeam is arranged between matrix and reinforcing element at least in part, and wherein, crossbeam centrally rotation is directed.Crossbeam on the one hand for the centrifugal force be applied on matrix is distributed to reinforcing element, but then also for being absorbed in the power without rotating frame can be caused when crossbeam to reverse.
In the second modification of the present invention, the cylindrical base of rotating frame can be saved.At this, reinforced frame comprises the crossbeam of at least two annular reinforcing element coaxially arranged with central rotation axis and centrally rotation orientation.Reinforcing element is connected with crossbeam in this wise, makes reinforcing element be designed for absorption to the centrifugal force on crossbeam.By the lattice-shaped structure be made up of reinforcing element and crossbeam, reinforced frame is when also having enough stability without when cylindrical base.Also change simply technically by the second modification of solution of the present invention and enable rotating frame with weight manufacture little especially.
Reinforced frame can especially be configured to, and reinforcing element is connected with beam shape formula.Thus, reinforced frame and therefore rotating frame there is extra high stability.
By another aspect of the present invention, crossbeam is distributed in the side facing reinforcing element can have the first recess, and wherein, reinforcing element has the second recess at the tie point place with crossbeam, thus is formed in the socket connection between reinforcing element and crossbeam.This socket connection can technically realize simply and advantage is especially to achieve while higher stability the simple installation of rotating frame.
In addition advise, rotating frame has at least one adapter for Integrated Electronic Component in the inside of reinforced frame.This adapter allows to be integrated into for electronic unit such as x-ray source or the X-ray detector needed for fault imaging shooting in rotating frame with method in a straightforward manner.
By another aspect of the present invention, at least one reinforcing element is designed to the rotor of motor.Thus, achieve another weight advantage, because driver part, that is, rotor has the function of stable rotating frame simultaneously as the part of reinforced frame.
In addition, the present invention includes the frame for computed tomograph, it has by rotating frame of the present invention and bracing frame, and wherein, rotating frame is pivotally bearing on bracing frame by outer bearing.Alternatively, rotating frame pivotally can be bearing on bracing frame by inner bearing.For the supporting of two types, by rotating frame of the present invention little weight to frame and especially bracing frame planform produce favorable influence.Because by the little weight of rotating frame, the power be applied on bracing frame is less, thus manufactures more less than the material consumption of conventional racks by the bracing frame of frame of the present invention.
An aspect of of the present present invention relates to a kind of frame with driving element, and wherein, driving element is designed for and makes rotating frame by belt transmission around central rotation axis screw movement.This belt transmission can realize technically especially simply.Therefore, this form of implementation of frame is technically simple especially and Simultaneous Stabilization and solution reliable and with low cost.
If rotating frame is designed to, make it under smaller weights, realize extra high rotating speed by its extra high stability, then this enables computed tomograph take to have the image of more high time resolution.
Accompanying drawing explanation
Below with reference to the accompanying drawings shown in embodiment further describe and set forth the present invention.In accompanying drawing:
Fig. 1 is by computed tomograph of the present invention,
Fig. 2 is the rotating frame by the present invention first flexible program,
Fig. 3 is the rotating frame by the present invention second flexible program,
Fig. 4 is the cross section of reinforcing element,
Fig. 5 is the vertical section of the rotating frame of band crossbeam,
Fig. 6 is the vertical section of the rotating frame not with crossbeam,
Fig. 7 is band crossbeam and the middle vertical section being provided with the rotating frame of outer bearing,
Fig. 8 is the vertical section that band crossbeam and side are provided with the rotating frame of outer bearing,
Fig. 9 is the vertical section of the rotating frame of band crossbeam and inner bearing,
Figure 10 is the vertical section of band crossbeam and the rotating frame for the adapter of Integrated Electronic Component,
Figure 11 is the cross section of the reinforcing element being wound with copper cash, and
Figure 12 is the vertical section of the rotating frame of band crossbeam and electromagnetic driver.
Embodiment
Fig. 1 illustrates by computed tomograph of the present invention.This computed tomograph comprises the frame 1 with rotating frame 4.X-ray source 8 and X-ray detector 9 coefficient with x-ray source 8 is integrated with in embodiment shown herein in rotating frame 4.Rotating frame 8 rotates around longitudinal axis 5 during the projection of shooting X ray, the X ray 2 of x-ray source 8 emitting x-ray form during taking.Especially X-ray beam can be shaped to fan-shaped or taper.Computed tomograph also can have more than an only x-ray source 8 with more than an only X-ray detector 9, can realize with so-called dual energy method shooting.X-ray tube in the embodiment that x-ray source 8 is shown herein.That there is multirow in the embodiment that X-ray detector 9 is shown herein, the line detector of such as 128 row or 256 row.
When rotating frame 4 rotates, X ray projection can be taken from all directions, and the projection of these X ray can be reconstructed into high-resolution three-dimension space image.When taking X ray projection, in the embodiment herein, patient 3 lies in patient couch 6, and this patient couch 6 connects into bed pedestal, makes its carrying have the patient couch 6 of patient 3.Patient couch 6 is designed for and makes patient 3 move the opening 10 by frame 1 along shooting direction.Shooting direction is generally provided by the pivot center 5 of rotating frame 4.Certainly, pivot center 5 also can shooting direction tilt relatively, and patient 3 moves along this shooting direction when taking, and such as mode is the part that rotating frame 4 is configured to turnover frame.
In embodiment herein, computed tomograph also comprises computer 12, and this computer is such as designed for computer for controlling laminagraphy instrument and projects for storing and processing multiple X ray.Computer 12 is connected with output unit 11, such as, export x-ray tomography picture for image.Output unit 11 is such as LCD, plasma or OLED screen curtain.In addition, computer 12 is connected with input unit 13.Input unit 13 is such as keyboard, mouse, so-called touch screen or the microphone for phonetic entry.Interface 7 make computer 12 can with computed tomograph and with input unit 13 or output unit 11 communication.Interface 7 is well-known hardware or software interface, such as hardware interface pci bus, USB or Firewire.
Fig. 2 illustrates the rotating frame by the present invention first flexible program.In the form of implementation of the present invention first flexible program herein, rotating frame 4 comprises columniform matrix 4 and three annular reinforcing element 15, and the pivot center 5 of these three annular reinforcing element and matrix 4 is coaxially arranged.In addition, reinforcing element 15 has identical external diameter and substantially the same internal diameter.The internal diameter of reinforcing element 15 only has the deviation with fixed value at the tie point place by being positioned at inner recess and crossbeam 16.Reinforcing element 16 can be configured to elongated shape as shown here and be provided with flat straight line surfaces.In different form of implementation of the present invention, reinforcing element 16 is designed to substantially square, wherein, with the deviation of square configuration based on the recess at the tie point place with reinforcing element 15 or profile that is slight curving and that mate with the outer surface of matrix 14.Two reinforcing element 15 shapes jointly form reinforced frame with crossbeam 16 directed on the direction of pivot center 5, and this reinforced frame is arranged in the outside of matrix 14.Crossbeam 16 is oriented in the direction of pivot center 5 in this wise, and make the axis orientation of its longest dimension on the direction of pivot center 5, especially the longest axis can be parallel to pivot center orientation.This reinforced frame forms the structure of lattice-shaped and connects into matrix 14, makes the centrifugal force be applied on matrix 14 to be delivered on reinforced frame at least in part when rotating around pivot center 5.Crossbeam 16 can pass through interconnection technique, as welding or bonding are fixedly connected with matrix 14.
Matrix 14 is made up of plate in a general way, such as steel plate.Alternatively, matrix 14 also can be made up of semi-finished product.The thickness of matrix 14 can change in the scope less than normal between 1 millimeter and several millimeters in different forms of implementation.By an aspect of of the present present invention, the thickness of matrix 14 is 1 to 2 millimeter.For the cast aluminium method set up, thick a lot of times of the similar cylindrical element of traditional rotating frame.For technical reason, aluminium casting general thickness is at least 15 millimeters.Even when consider aluminium compare steel plate density little, by structure of the present invention, also there is significant weight advantage.Matrix 14 can form complete cylinder as shown in Figure 2; But in other forms of implementation, matrix 14 can have recess and/or hole in its cylindrical basic shape, such as in a straightforward manner and method fluid line, ooling channel and other feed paths be installed in be arranged between intrinsic silicon and the element of outside.
Matrix 14 can also be made up of nonmetallic material, such as, be made up of carbon fiber, composite material or plastics.Matrix 14 must have enough stability, can not split or gross distortion one-tenth in rotating frame 4 outage, makes the artifact caused thus in imaging.The accurate stability of matrix 14, especially accurate intensity and rigidity depend on the planform of reinforced frame.The material of matrix 14 and its thickness also depend on the diameter of matrix 14, and wherein, the major diameter of conventional method brings material stable especially and/or larger thickness.In the region of medical imaging, the diameter of matrix 15 and the diameter of reinforced frame are roughly 1 to 1.6 meter, wherein, in other forms of implementation of the present invention, can realize larger and less diameter.
Reinforcing element 15 has the stability larger than matrix 14.Therefore, reinforcing element 15 preferably integral type manufacture, that is need not weld, bond or other interconnection technique manufacture.But also can be interconnected the reinforcing element 15 of multiple integral type, see such as Figure 12.Reinforcing element 15 can by metal casting, and such as aluminium casting is made, or is made by method for milling.Reinforcing element 15 is roughly 1 to 2 centimetre along the stock size of pivot center 5.If expect extra high stability, then reinforcing element 15 can be larger along the size of pivot center 5.Reinforcing element 15 radially generally has several centimetres.In the structure that the present invention is stable especially, reinforcing element 15 is radially greater than 10 centimetres.
Fig. 3 illustrates the rotating frame by the present invention second flexible program.In the second flexible program of the present invention, eliminate columniform matrix 14.Therefore, rotating frame 4 has reinforced frame, and this reinforced frame is with at least two reinforcing elements 15 and multiple crossbeam 16, and wherein, reinforcing element 15 and crossbeam 16 connect into, and make reinforcing element 15 be designed for absorption to the centrifugal force on crossbeam 16.For this reason, at least one part of crossbeam 16 is positioned at the inner side of reinforcing element 15.
In a typical organization plan of the present invention second modification, reinforcing element 15 has identical external diameter and substantially the same internal diameter.If use the reinforcing element 15 more than two, then they can have mutually the same distance along pivot center 5, thus guarantee that centrifugal force transmits to reinforcing element 16 as far as possible uniformly from matrix 14 or crossbeam 16.In addition, therefore crossbeam 16 and reinforcing element 15 also by interconnection technique as welded or being interconnected with being adhesively fixed, also can improve the stability of rotating frame 4 with the stability improving reinforced frame.
Crossbeam 16 equally with reinforcing element 15 can be made up of metal casting and must have higher stability.Crossbeam 16 extends through the whole size of matrix 14 along pivot center 5 with general method.No matter whether rotating frame 4 has matrix 14, and crossbeam 16 can have along the identical size of pivot center 5 or even substantially the same to construct, can be delivered to reinforcing element 15 from crossbeam 16 as far as possible equably by realizable force.
Fig. 4 illustrates the cross section of reinforcing element, is that is passing through the cross section perpendicular to the plane of pivot center 5.In form of implementation herein, reinforcing element 15 has the rectangular recess be evenly arranged within it.Being designed and sized to of this recess, makes to arrange crossbeam 16 in the recess of reinforcing element 15 exact matching.This kind of reinforcing element 15 can be used in the expansion design by rotating frame 4 of the present invention, wherein, crossbeam 16 has the first recess in the side facing reinforcing element 15 respectively, thus can form the socket connection of form fit formula between reinforcing element 15 and crossbeam 16.The socket connection of this kind of form fit formula can realize and can realize rotating frame 4 stably constructing especially simply especially technically.
Recess can also have other shapes being different from rectangular shape in other forms of implementation of reinforcing element 15, and the cross section of such as recess can be designed to trapezoidal.In addition, recess can be arranged unevenly, such as, because expect in a region determined of rotating frame 4 than centrifugal force larger in other region, thus on the region that this is determined, expects there is higher density with the socket connection of crossbeam 16.Larger centrifugal force is such as expected during integrated electronic unit heavy especially in a region determined.
Fig. 5 illustrates the vertical section of the rotating frame of band crossbeam.Dotted line V in this Fig. 2 and central rotation axis 5 are all positioned at section.In embodiment herein, reinforcing element 15 (measuring with the distance to pivot center 5) arranges equally high with crossbeam 16.In other form of implementation, reinforcing element 15 and crossbeam 16 also can different height, and wherein, reinforcing element 15 and crossbeam 16 all can be higher in principle.When reinforcing element 15 is designed to bearing a part of, the situation of the embodiment described by Fig. 7 to Fig. 9, higher reinforcing element 15 is favourable.In the embodiment that Fig. 5 shows, reinforcing element 15 and crossbeam 16 are connected by socket connection mode.In addition, crossbeam 16 is fixedly connected with matrix 14, thus form fit formula connects ground formation plug-in connector.
Fig. 6 illustrates the vertical section of the rotating frame without crossbeam.At this, in Fig. 2, dotted line VI and central rotation axis 5 are all positioned at and cut open plane.In form of implementation herein, reinforcing element 15 is fixedly connected with matrix 15, and rotating frame 4 obtains extra high stability thus.In other forms of implementation, also can installing Connection Element between matrix 4 and reinforcing element 15, being connected with matrix 14 in particular for making reinforcing element 15.
Fig. 7 illustrates the vertical section of rotating frame, and this rotating frame has the outer bearing of crossbeam and center arrangement.The outer bearing herein represented is steel wire rolling bearing
wherein, between the reinforcing element 15 that spherical rolling element 23 is arranged in central authorities in this wise and the support 25a of central authorities, the support 25a of these central authorities is fixedly connected with the bracing frame of frame 1, thus rolling element 23 makes rotating frame 4 can rotate around pivot center 5.Steel wire 26 extends along the reinforcing element 15 of central authorities around pivot center 5 and forms retainer, and rolling element 23 runs in this retainer.Shown here there is little weight and cost is very cheap.
Fig. 8 illustrates without crossbeam with the vertical section of rotating frame of outer bearing being arranged in side.Outer bearing comprises two steel wire rolling bearings, and it has rolling element 23 and steel wire 26, and this steel wire 26 can realize two acentric reinforcing elements 15 respectively and therefore realize the rotation of rotating frame 4 around pivot center 5.At this, acentric support 25b is fixedly connected with the bracing frame of frame 1.Illustrate that the advantage of structure is the king-sized stability of rotational motion herein.In other forms of implementation, also can use more than two steel wire rolling bearings.
Fig. 9 illustrates the vertical section of the rotating frame with crossbeam and inner bearing.By there is the bearing design of rolling element 23 and inner support 25c for rotating around pivot center 5 in the embodiment that internal strengthening elements 15 is shown herein.At this, rotational motion is completed by belt transmission, wherein, for belt bearing-surface by transverse to shown here cut open plane section shaping, the surface of internal strengthening elements 15 illustrates.This surface is especially applicable to and wedge belt acting in conjunction.At this, the rotational motion of motor is delivered on rotating frame 4 by wedge belt.Alternatively, the surface of internal strengthening elements 15 transversely has cross rib in shown here plane of cuing open, thus, reinforcing element 15 can particularly well with cingulum acting in conjunction for transmitting rotational motion.In addition, shown here and other the form of bearing arrangement, such as magnetic bearing device in principle can from different drive forms as belt transmission or Electromagnetic Drive combine mutually.Especially different bearing arrangements and the form of driving can realize in combination with the rotating frame 4 of ribbon matrix 14 and not ribbon matrix 14.
Figure 10 illustrates the rotating frame with crossbeam and the adapter for Integrated Electronic Component.Electronic unit can be x-ray source 8, X-ray detector 9 or other the parts being provided with electric energy, and it is required right for shooting tomographic image.Adapter 19 is designed to, and its one end can be fixedly connected with matrix 14 or reinforced frame, and the electronic unit determined can be integrated in rotating frame 4 by its other end.For this reason, adapter 19 can comprise this electronic unit and/or its shape and structure can match with each electronic unit at least in part.Especially, adapter 19 can be fixedly connected with electronic unit.In addition, adapter 19 can be designed for the interface providing and such as power for integrated each electronic unit.
Figure 11 illustrates the reinforcing element having and be tied with copper cash.Reinforcing element 15 shown here is wound around with copper cash 26, reinforcing element 15 can be used as the rotor 20 of motor.Also the other materials being different from copper can be used for being wound around reinforcing element 15, and this other materials is suitable for, and reinforcing element 15 is designed to the rotor 20 of motor.
Figure 12 illustrates the rotating frame with electromagnetic driver.Motor driver is based on stator 21 and rotor 20, and wherein, rotor 20 comprises multiple interconnective reinforcing element 15.Independent reinforcing element 15 is made up of so-called silicon steel sheet, and this silicon steel sheet is soft magnetism and is generally formed from steel.But other applicable materials also can be used for the manufacture of independent plate 27.Be bonded into the plate 27 of a reinforcing element 15, as shown in Figure 10, be wound around with steel wire 26.Rotor 20 makes rotor 20 have favourable magnetic by multiple plate 27 instead of by the formation of solid iron core.Vortex flow is avoided in connection especially by multiple plate 27.Stator 21 is permanently connected with the bracing frame of frame 1.
For those skilled in the art naturally, various embodiment described here can combine in principle mutually, as long as it is rational technically that professional thinks.
Claims (11)
1. the rotating frame (4) of the frame for computed tomograph (1), comprise the columniform matrix (14) with central rotation axis (5), and comprise the reinforced frame with at least two annular reinforcing element (15), wherein, described reinforcing element (15) is arranged in the outside of described matrix (14) and coaxially arranged with central rotation axis (5), wherein, described reinforcing element (15) and described matrix (14) connect into, described reinforcing element (15) is made to be designed for absorption to the centrifugal force on described matrix (14).
2. the rotating frame (4) of the frame for computed tomograph (1), comprise the reinforced frame with central rotation axis (5), wherein, described reinforced frame has at least two annular reinforcing element (15) coaxially arranged with described central rotation axis (5) and along the directed crossbeam (16) of described central rotation axis (5), wherein, described reinforcing element (15) and described crossbeam (16) connect into, described reinforcing element (15) is made to be designed for absorption to the centrifugal force on described crossbeam (16).
3. by rotating frame according to claim 1 (4), also comprise the crossbeam (16) be arranged at least in part between described matrix (14) and described reinforcing element (15), wherein, described crossbeam (16) is directed along described central rotation axis (5).
4. by the rotating frame (4) described in Claims 2 or 3, wherein, described reinforcing element (15) is connected with described crossbeam (16) form fit formula ground.
5. by rotating frame according to claim 4 (4), wherein, described crossbeam (16) has the first recess respectively on the side facing described reinforcing element (15), wherein, described reinforcing element (15) has the second recess at the tie point place with described crossbeam (16), thus is formed in the socket connection between described reinforcing element (15) and described crossbeam (16).
6., by the rotating frame (4) that one of claim 1 to 5 is described, comprise at least one adapter (19) being installed in described reinforced frame inside for Integrated Electronic Component.
7., by the rotating frame (4) that one of claim 1 to 6 is described, wherein, at least one reinforcing element (15) is designed to the rotor (20) of motor.
8. the frame for computed tomograph (1), comprise by the rotating frame (4) one of claim 1 to 7 Suo Shu and bracing frame, wherein, described rotating frame (4) is pivotally bearing on support frame as described above by outer bearing.
9. the frame for computed tomograph (1), comprise by the rotating frame (4) one of claim 1 to 7 Suo Shu and bracing frame, wherein, rotating frame (4) is pivotally bearing on support frame as described above by inner bearing.
10. the frame for computed tomograph (1), comprise by the rotating frame (4) one of claim 1 to 6 Suo Shu, wherein, described frame has driving element, wherein, described driving element is designed to make described rotating frame (4) by belt transmission around central rotation axis (5) screw movement.
11. 1 kinds of computed tomographs, it has by the frame (1) one of claim 8 to 10 Suo Shu.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013227060.7 | 2013-12-23 | ||
| DE102013227060.7A DE102013227060B4 (en) | 2013-12-23 | 2013-12-23 | Rotating frame for the gantry of a computer tomograph, as well as gantry and computer tomograph with such a rotating frame |
Publications (2)
| Publication Number | Publication Date |
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| CN104735891A true CN104735891A (en) | 2015-06-24 |
| CN104735891B CN104735891B (en) | 2018-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410809117.4A Active CN104735891B (en) | 2013-12-23 | 2014-12-23 | Rotating frame and in relation to rack and computed tomograph |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101665204B1 (en) |
| CN (1) | CN104735891B (en) |
| DE (1) | DE102013227060B4 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981880A (en) * | 2016-10-26 | 2018-05-04 | 北京东软医疗设备有限公司 | A kind of CT machines and its rotary body |
| WO2018108042A1 (en) * | 2016-12-13 | 2018-06-21 | 合肥中科等离子医学技术装备有限公司 | Honeycomb reinforced panel structure suitable for internal portion of rotating frame of proton therapeutic device |
| CN110710985A (en) * | 2018-07-12 | 2020-01-21 | 西门子医疗有限公司 | Omnidirectional walking mechanism of computer tomography equipment |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10076294B2 (en) | 2016-03-30 | 2018-09-18 | Morpho Detection, Llc | Gantry system with support wheels |
| KR20170128987A (en) * | 2016-05-16 | 2017-11-24 | 삼성전자주식회사 | Gantry of Computed Tomography Apparatus |
| DE102016211376A1 (en) * | 2016-06-24 | 2017-12-28 | Siemens Healthcare Gmbh | Stabilization frame for a supporting structure of a gantry |
| EP4265188A1 (en) | 2022-09-23 | 2023-10-25 | Siemens Healthcare GmbH | Rotating structure for the gantry of a computer tomograph, gantry and computer tomograph |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101756711A (en) * | 2008-12-25 | 2010-06-30 | 株式会社东芝 | Pet device |
| US20100177867A1 (en) * | 2006-08-09 | 2010-07-15 | Koninklijke Philips Electronics N. V. | Gantry x-ray transmissive element |
| US20120027163A1 (en) * | 2009-04-16 | 2012-02-02 | Mikio Mochitate | X-raw ct apparatus |
| US20130077737A1 (en) * | 2011-09-28 | 2013-03-28 | Martino FASOLI | System and method for cone beam computed tomography |
| KR101254098B1 (en) * | 2011-12-08 | 2013-04-12 | 한국생산기술연구원 | Shoot module rotating apparatus and image obtaining apparatus of comprising the same |
| CN103371845A (en) * | 2012-04-28 | 2013-10-30 | 株式会社东芝 | Computed tomography (CT) device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000140134A (en) * | 1998-09-11 | 2000-05-23 | Ishikawajima Harima Heavy Ind Co Ltd | Gantry device of corpuscular ray therapeutic equipment |
| JP4228019B2 (en) * | 2007-02-16 | 2009-02-25 | 三菱重工業株式会社 | Medical equipment |
| DE102008036019B4 (en) | 2008-08-01 | 2010-11-11 | Siemens Aktiengesellschaft | Computed tomography device and rotor for a gantry of a computed tomography device |
-
2013
- 2013-12-23 DE DE102013227060.7A patent/DE102013227060B4/en active Active
-
2014
- 2014-12-19 KR KR1020140184353A patent/KR101665204B1/en active IP Right Grant
- 2014-12-23 CN CN201410809117.4A patent/CN104735891B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100177867A1 (en) * | 2006-08-09 | 2010-07-15 | Koninklijke Philips Electronics N. V. | Gantry x-ray transmissive element |
| CN101756711A (en) * | 2008-12-25 | 2010-06-30 | 株式会社东芝 | Pet device |
| US20120027163A1 (en) * | 2009-04-16 | 2012-02-02 | Mikio Mochitate | X-raw ct apparatus |
| US20130077737A1 (en) * | 2011-09-28 | 2013-03-28 | Martino FASOLI | System and method for cone beam computed tomography |
| KR101254098B1 (en) * | 2011-12-08 | 2013-04-12 | 한국생산기술연구원 | Shoot module rotating apparatus and image obtaining apparatus of comprising the same |
| CN103371845A (en) * | 2012-04-28 | 2013-10-30 | 株式会社东芝 | Computed tomography (CT) device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981880A (en) * | 2016-10-26 | 2018-05-04 | 北京东软医疗设备有限公司 | A kind of CT machines and its rotary body |
| US10786213B2 (en) | 2016-10-26 | 2020-09-29 | Beijing Neusoft Medical Equipment Co., Ltd. | CT machine and rotator thereof |
| WO2018108042A1 (en) * | 2016-12-13 | 2018-06-21 | 合肥中科等离子医学技术装备有限公司 | Honeycomb reinforced panel structure suitable for internal portion of rotating frame of proton therapeutic device |
| US10821307B2 (en) | 2016-12-13 | 2020-11-03 | Hefei Cas Ion Medical And Technical Devices Co., Ltd. | Honeycomb rib structure in rotating gantry of proton therapy device |
| CN110710985A (en) * | 2018-07-12 | 2020-01-21 | 西门子医疗有限公司 | Omnidirectional walking mechanism of computer tomography equipment |
| CN110710985B (en) * | 2018-07-12 | 2023-09-19 | 西门子医疗有限公司 | Omnidirectional travelling mechanism of computer tomography equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104735891B (en) | 2018-05-22 |
| DE102013227060B4 (en) | 2021-05-20 |
| KR20150073858A (en) | 2015-07-01 |
| DE102013227060A1 (en) | 2015-06-25 |
| KR101665204B1 (en) | 2016-10-11 |
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