CN206979499U - Radiographic apparatus - Google Patents
Radiographic apparatus Download PDFInfo
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- CN206979499U CN206979499U CN201621225932.7U CN201621225932U CN206979499U CN 206979499 U CN206979499 U CN 206979499U CN 201621225932 U CN201621225932 U CN 201621225932U CN 206979499 U CN206979499 U CN 206979499U
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- 238000007689 inspection Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 230000001769 paralizing effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000013151 thrombectomy Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
Classifications
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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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4452—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being able to move relative to each other
-
- 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]
-
- 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
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4233—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
-
- 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
- A61B6/547—Control of apparatus or devices for radiation diagnosis involving tracking of position of the device or parts of the device
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mathematical Physics (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
A kind of radiographic apparatus is the utility model is related to, it, which has, surrounds the rotatable ring-type gantry in inspection area；Just what a is arranged on the x-ray source on described gantry；To the CT X-ray detectors of x-ray source installation on described gantry；Planar X-ray detector, the planar X-ray detector is arranged or can be arranged between the inspection area and described gantry, and can be positioned at around the inspection area along gyratory directions on desired angle position；Wherein, the x-ray source and the such configuration of the X-ray detector so that sense data for projection by the planar X-ray detector in the first mode and sense CT data by the CT X-ray detectors in a second mode.
Description
Technical field
It the utility model is related to a kind of for sensing CT (Computed Tomography, computer tomography) data
With the radiographic apparatus of data for projection.
Background technology
Radiographic apparatus now belongs to diagnosis imaging standard.The radiographic apparatus is for example used in intervention and controlled
Treat.Medical diagnostic imaging system is frequently used for the treatment monitoring (such as paralytic) of vascular diseases and heart disease,
Or it is used in the minimally invasive processing of tumour.Clinical research herein be present, thrombectomy, be used for based on conduit by blood
The treatment method that bolt removes from blood vessel is realized for the best treatment results of paralytic.Can thus be starting point, with
Operation quantity based on conduit can significantly improve in future.It is forced to need powerful and reliable radiodiagnosis for this
Device.But due to shifting or transporting from CT scanner, the loss of time of the patient to Intervention Experiment room is very big and delay is controlled
Treat.Therefore general interference Clinical course.
This loss of time can be reduced to bottom line by radiographic apparatus, and the radiographic apparatus will be intervened
Function is integrated into CT scanner.A kind of radiographic apparatus as known in the A1 of DE 10 2,010 040 079, is examined in the X ray
In disconnected device, two camera systems are disposed with gantry.First computer tomography camera system includes transmission fan-shaped X and penetrated
First x-ray source of wire harness and in face of the first x-ray source arrangement, have the independent detector of a line the first computerized tomography take the photograph
Shadow-X-ray detector.Second camera system is including being staggeredly arranged relative to the first x-ray source, the second X-ray beam of transmission
Second x-ray source and planar, there is the X ray detectors of the pixel element of rectangular arrangement.Second x-ray source and/or
Two planar X-ray detectors so mechanically support so that they can be radially and/or axially and/or side relative to gantry
Adjust upward.
Utility model content
Task of the present utility model is to provide that a kind of cost compared with known radiographic apparatus is more favourable and structure
Simpler radiographic apparatus is made, the radiographic apparatus can not only sense CT data, can also sense projection number
According to.
According to the utility model, the task solves by radiographic apparatus, and the radiographic apparatus has
- surround the rotatable ring-type gantry in inspection area；
- just what a be arranged on gantry on x-ray source；
- CT-X the ray detectors installed on gantry to x-ray source；
Inspection area and gantry are arranged or can be arranged in-planar X-ray detector, the planar X-ray detector
Between, and can be positioned at around inspection area along gyratory directions on desired angle position；
Wherein, x-ray source and the such configuration of X-ray detector so that in the first mode by planar X-ray detector
Sense data for projection and sense CT data by CT-X ray detectors in a second mode.
By the way that there is just what a x-ray source, a CT-X ray detector and a face according to of the present utility model
The configuration of shape X-ray detector is realized, on the one hand can be sensed CT data, on the other hand can be sensed data for projection.In addition, with
The radiographic apparatus as known to the A1 of DE 10 2,010 040 079 is compared, by using only one x-ray source, construction and behaviour
It is vertical substantially to be simplified.In addition, manufacturing expense is significantly less than the radiodiagnosis dress for same two x-ray sources of task needs
The processing cost put.Therefore, if it is desirable to it can not draw directly in Angiography Room due to shifting or transporting patient
Program complication, such as internal haemorrhage are determined in the case of playing the loss of time, is thus obviously improved complication management and Clinical course.
In an advantageous manner, radiographic apparatus has holding meanss, especially track between inspection area and gantry
System, install on the rail system or planar X-ray detector can be installed.
According to configuration of the present utility model, holding meanss have rail system, the rail system have a track or
Two tracks extended parallel to each other.It is preferably arranged and/or configuration in this track so that they do not influence the sense of CT data
Survey.Such as the track is so far spaced by the transparent material configuration of X ray or two tracks, so that X ray
It can be irradiated between them on CT detectors.
In this embodiment, one track or two tracks are mounted concentrically with gantry.The advantages of embodiment
It is that it substantially more saves space and x-ray source is always vertically irradiated on X-ray detector.
According to another configuration of the present utility model, planar X-ray detector unremovably and encloses in holding meanss
It is rotatably mounted around inspection area.This has its advantage, i.e. can simply and advantageously keep the mechanism for installation.
Alternate configuration of the present utility model has planar X-ray detector, and the planar X-ray detector is in holding meanss
On be rotatably mounted removably and around inspection area.If do not need temporarily X-ray detector (such as because should only
Carry out CT data sensings), then the X-ray detector can quickly and be easily taken out from the region inside gantry.In addition,
If desired, X-ray detector construct in addition, for example greater or lesser can be used., also can be square if there is defect
Just X-ray detector is changed.
According to another configuration of the present utility model, being provided with makes planar X-ray detector in the rotation around inspection area
Direction is temporarily positioned at the device on desired angle position.These devices can for example have robot arm or can hand
The arm of dynamic adjustment, installs X-ray detector, and X-ray detector (if desired) can be by the arm in dragon on the arm
(either automatically or manually) it is positioned on desired angle position between door and inspection area so that substantially can be from any
Angle position sensing data for projection.Therefore, these embodiments have the advantage that, i.e. when that should sense data for projection, as long as will
Planar X-ray detector is placed in inspection area.
In an advantageous manner, the angle position of planar X-ray detector can manually or be flexibly adjusted.Therefore, can be with
From it is different, can unrestricted choice sensing direction data for projection, it is possible thereby to exactly limit the position to be irradiated.
According to another configuration, radiographic apparatus has the device for being used for detecting planar X-ray detector angle position.
This obvious operation for simplifying radiographic apparatus.In the case of should sense data for projection, x-ray source can be automatically direct
It is positioned at planar X-ray detector opposite so that log-on data can also be sensed in the case of no loss of time.
In an advantageous manner, radiographic apparatus has the control list for being used for controlling X-ray tube and X-ray detector
Member.Thus the angle position of planar X-ray detector for example can correspondingly be adjusted so that desired region is only irradiated, and
And the position of X-ray tube can also adjust corresponding to the position of planar X-ray detector.
According to another configuration of the present utility model, control unit is configured to adjust the pattern of radiographic apparatus.To have
The mode of profit, these patterns can independently (i.e. on the time one after the other) or together (i.e. simultaneously) operations.It is possible thereby to
The data of data for projection, CT data or two kinds of forms are one after the other either simultaneously sensed on time.Thus by for patient's
Ray load keeps as low as possible.In addition, cancel the loss of time caused by shifting or transporting patient.
According to another configuration of radiographic apparatus, it is especially suitable that x-ray source includes the beamwidth for being used to make X-ray beam
The collimator of area assigned in planar X-ray detector.Thus X-ray beam for example can accurately adapt to the region to be checked
And/or planar X-ray detector size.Thus unnecessary ray is avoided to radiate and penetrating for patient related to this
Specific electric load.
In an advantageous manner, planar X-ray detector and/or x-ray source can relative to gantry additionally radially and/
Or axially and/or adjust on the side.This improves the flexibility of radiographic apparatus again.
In all embodiments can wirelessly and/or wire connection carry out data transmission and/or energize.Substitute
Ground is also likely to be battery operation, and this make it that radiographic apparatus is unrelated with power supply and can continue to run with when power is off.
When using radiographic apparatus, a variety of modes for sensing data in principle be present, especially projected in sensing
During data.In first method of operation, gantry constantly rotates.But only when X radiographic sources are located at planar X-ray detector
During opposite, the x-ray source just launches X ray (that is, for example just the short time connects).In second method of operation, x-ray source is in
Relative to planar X-ray detector fix position and the X-ray detector is irradiated with X-ray beam.
As described above, CT data and data for projection can also be sensed by two X-ray detectors simultaneously.Therefore the face is worked as
Shape X-ray detector when gantry rotates before the CT-X ray detectors when, by CT data reconstructions CT picture qualities not
It can be deteriorated due to planar X-ray detector, CT data or the CT images thus rebuild can be correspondingly corrected, because planar
The position of X-ray detector is known or can be determined by CT data.Thus, radiographic apparatus also has and is used for by sensing
CT data reconstruction images reconstruction unit, wherein, if the planar X-ray detector be arranged in the inspection area with it is described
Between gantry, the position of the planar X-ray detector is considered when rebuilding.
Holding meanss are arranged preferably between inspection area and gantry.But the holding meanss can also be in gantry side cloth
Put or arranged around gantry, wherein, planar X-ray detector arranges and therefore ensured that gantry is together with X still inside gantry
Radiographic source and CT detectors can rotate freely about inspection area.Such as can by track installation in gantry side and/or
The farther outside of radial direction at gantry, on that track by holding track suspension planar X-ray detector.
Brief description of the drawings
The utility model and its embodiment are explained in detail with reference to the accompanying drawings, without thus limiting the utility model
Make in these embodiments.
Fig. 1 shows the first embodiment according to radiographic apparatus of the present utility model.
Fig. 2A and 2B shows the two of the second embodiment for the radiographic apparatus for having rail system according to the utility model
Individual different views.
Fig. 3 shows the 3rd embodiment for the radiographic apparatus for having robot arm according to the utility model.
Fig. 4 shows the fourth embodiment for the radiographic apparatus for having position detection device according to the utility model.
Fig. 5 A and 5B show the radiographic apparatus according to the utility model in different operational modes.
Embodiment
Fig. 1 schematically shows the first implementation of the radiographic apparatus 1 for having ring-type gantry 10 according to the utility model
Example.Just what a x-ray source 20 is installed on gantry 10.In addition, on the opposite of x-ray source 20, installation CT-X is penetrated on gantry 10
Thread detector 30.Therefore, x-ray source 20 and CT-X ray detectors 30 can pass through circumferentially around inspection area 11
The rotation at gantry 10 adjusts, to sense CT data in known manner on different angle positions.
Planar X-ray detector 40 is there also is provided between inspection area 11 and gantry 10, in this embodiment by means of
Holding element 41 in holding meanss 50 is arranged.Preferably can be in holding meanss 50 (certainly in this X-ray detector 40
It is dynamic or manually) adjustment so that the X-ray detector can equally be positioned at desired circumferentially around inspection area 11
Angle position on.Planar X-ray detector 40 also removably constructs from holding meanss 50 in certain embodiments.Planar X
Ray detector 40 also so constructs in certain embodiments so that although it can be arranged on different angle positions,
It can not be adjusted again in the form installed.
X-ray source 20 and X-ray detector 30,40 so construct so that in the first mode by planar X-ray detection
Device 40 senses data for projection, and senses CT data by CT-X ray detectors 30 in a second mode.In order to establish CT numbers
According to, x-ray source 20 towards the emitting x-ray 21 of CT-X ray detectors 30, the CT-X ray detectors be preferably arch and
And formed by row's single detector or by the array of single detector.In order to sense the inspection mesh being arranged on patient table 12
Mark 13, the CT data of such as patient, make CT data camera system, i.e. x-ray source 20 and CT-X ray detectors 30 around inspection
Region 13 is rotated by 360 ° such as one or manyly.Herein in known manner by CT-X ray detectors 30 at different angles
Spend and CT data are sensed on position.
In order to sense data for projection, a variety of shooting possibilities be present.In the first flexible program, gantry 10 is constantly enclosed
Rotated around inspection area 11.Only when x-ray source 20 is located at planar 40 opposite of X-ray detector, the ability of x-ray source 20 is towards face
The emitting x-ray of shape X-ray detector 40.In the second flexible program, x-ray source 20 faces the ground of planar X-ray detector 40
Position and towards the emitting x-ray of planar X-ray detector 40.
Therefore, by can not only sense CT data (such as with per second according to radiographic apparatus 1 of the present utility model
Until the total number of images of 4 reconstructions), and can be with sense plane detector projections data (such as with 30 images per second).This
It can realize in succession in time.But can also be sensed simultaneously according to the utility model CT data and data for projection (such as with
It is per second until 4 images).At this point it can be pointed out that although the X-ray detector when gantry 10 rotates CT detectors 30 some
In angle position before the CT detectors 30, the quality of CT images will not be deteriorated due to planar X-ray detector 40 or
Only somewhat it is deteriorated, because CT images can be corrected correspondingly.Therefore, (and must by x-ray source 20 and CT-X ray detectors 30
Planar X-ray detector 40 when wanting) adjustable in a circumferential direction is in other words by X-ray detector 40 in circumference
The localizability changed on direction, can by it is different and substantially can unrestricted choice angle position sensing it is various forms of
View data.
Fig. 2 shows the radiodiagnosis for having the rail system 51 used preferably as holding meanss according to the utility model
The second embodiment of device 2.Fig. 2A shows that the edge of radiographic apparatus 2 checks longitudinal direction (the i.e. axial direction side of target 13 herein
To) cross section, and Fig. 2 B show the cross section horizontal relative to target 13 is checked.
Rail system 51 is mounted in and substantially between inspection area 11 and gantry 10 and is essentially available for fixing planar X and penetrates
Thread detector 40.It is noted that other possibilities for being used to fix planar X ray detectors 40 can also be used, such as tooth
Wheel or chain, the holding track on gantry or on patient table, and the specific implementation for rail system 51 there is also
Different possibilities.
In embodiment shown in figure 2, rail system 51 preferably has two tracks 52,53, on these tracks
Fix planar X-ray detector 40 and can be moved circumferentially around inspection area 11.
In fig. 2 in shown position, the x-ray source 20 on gantry 10 is located at the opposite of CT-X ray detectors 30.Planar
X-ray detector 40 can independently adjust in a circumferential direction with the position of x-ray source and CT-X ray detectors 30.
The embodiment middle orbit 52,53 is arranged on (not seen in axial direction) on homonymy between inspection area 11 and gantry 10 and phase
Mutually extend parallel to.
Rail system 51 so constructs in a configuration, and planar X-ray detector 40 can be arranged on (excellent on the rail system
It is selected on arbitrary position) and it can be disassembled from the rail system, such as when it is not needed or should change example
When such as there is other X-ray detectors of different resolution.It is not necessary that, planar X-ray detector 40 can be in track herein
52nd, move on 53.Planar X-ray detector 40 can be alternatively moved on track 52,53 (flexibly, for example by electronic
Machine, and/or manually), so as to which the X-ray detector is taken to for sensing the desired angle position of data for projection.Together
Sample is preferably flexibly taken x-ray source 20 on the angle position of planar X-ray detector 40 to.
Fig. 2 B are illustrated in greater detail, and how planar X-ray detector 40 is arranged on rail system 51.It is shown in fig. 2
Embodiment the advantages of be in planar X-ray detector 40 and to check the distance between object 13 in order to sense data for projection
It is and as small as possible.This also has advantage, i.e. it is possible thereby to reach high image quality and minimize scattering.
As described above, in the configuration according to radiographic apparatus of the present utility model, planar X-ray detector 40 is not
It is removably mounted on holding meanss 50, on such as rail system 51.This can be realized by the holding element 41 of respective configuration.
In the configuration of replacement, planar X-ray detector 40 is removably mounted in holding meanss 50.This again may be by fitting
The connecting element of conjunction, for example realized by suitable detent mechanism or hitch.In dismountable configuration, if need not
The detector either needs the detector of other constructions or in the case of X-ray detector 40 damages, can be by planar X
Ray detector 40 is quickly and easily dismantled from holding meanss 50.Such configuration fills in radiodiagnosis in this case
Put the arrangement in 2 so that in the case where not producing the risk of collision of x-ray source 20 and X-ray detector 30,40, not only may be used
To sense data for projection, and CT data can be sensed.
Fig. 3 shows another embodiment according to radiographic apparatus 3 of the present utility model.In this embodiment, face
Shape X-ray detector 40 is arranged on arm 42 and checked it is possible thereby to temporarily be placed between object 13 and gantry 10
In region, to sense data for projection.Can take planar X-ray detector 40 to desired position automatically in this arm 42
The robot arm put either can manually and machinery adjustment arm, user examines planar X ray by the arm
Survey device 40 and take desired position to.It can for example be fixed on chamber cap 43 in this arm 42 or may move on the chamber cap,
Or it can also be assemblied on suitable holding frame (not shown).It is each desired thus, it is possible to select accurately and easily
Position so that can be from each arbitrary sensing direction data for projection.Planar X-ray detector 40 not only can be in circumference herein
Arbitrarily position, and can also arbitrarily be positioned radially, axially and/or on the side on direction.
Fig. 4 shows the 4th embodiment according to radiographic apparatus 4 of the present utility model.The X ray diagnostic devices 4
With the device for detecting the position of planar X-ray detector 40.These devices 14 can for example have schematic in Fig. 4
Sensors 15 showing, for example in holding meanss 50, such as Magnetic Sensor, the sensor are distributed in holding meanss 50
In whole circumference (but being only shown specifically the device 14 including sensor 15 in the partial sector of circumference in Fig. 4).
Alternative device for detection and localization, which can have, to be used to optically identify the camera of position or with corresponding detector
Electromagnetism marks (such as similar with Local Navigation system).The device for detection and localization can also make in other configurations
With.
In addition, radiographic apparatus 4 preferably has the control unit 60 only schematically shown in Fig. 4.Control unit
60 are essentially available for controlling x-ray source 20 and X-ray detector 30,40 (including motor 42).The face known by sensor 15
The position of shape X-ray detector 40 can be advantageously delivered in control unit 60.In the case of should sense data for projection, lead to
Desired angle position can be taken to by x-ray source 20 (and/or planar X-ray detector 40) by crossing control unit 60, such as
Automatically take the position opposed with planar X-ray detector 40 to.
Alternatively, the positioning of x-ray source 20 and planar X-ray detector 40 can be completely automatically realized, such as by
The angle position selected by user.This can realize the friction free course of work in the case where not needing high cost.
Furthermore, it is possible to select screening-mode by control unit 60.Such as can to provide three patterns for selection, its
In, data for projection is sensed by planar X-ray detector 40 in the first mode, in a second mode by CT-X ray detections
Device 30 senses CT data, and senses data for projection and CT data by two detectors 30,40 in the 3rd pattern.Herein
Point out, all data, i.e. data for projection and CT data may be used to rebuild in each pattern.
If such as the pattern for sensing data for projection, the energy of planar X-ray detector 40 are selected by control unit 60
Desired position is enough taken to by control unit 60.For example, by (the planar X ray of sensor 15 in track (52,53)
Detector 40 is installed on that track), control unit 60 knows the position of planar X-ray detector 40 and by x-ray source 20
It is automatically positioned on opposed angle position.
The data and control command known can substantially wirelessly, for example pass through WLAN (WLAN) or other
Wireless communication networks or wire pass to further process step with connecting.
Equally as shown in FIG. 4, the preferred configuration of x-ray source 20 has collimator 22.The collimator is used to make X-ray beam 21
Beamwidth adapt to the area of used detector 30,40 at that time.Collimator 22 for example can be equally by control unit
60 controls, to make ray outlet opening adapt to the size of X ray detectors.
Figure 5 illustrates the radiographic apparatus according to the utility model in different operational modes, wherein, in Fig. 5 A
Middle planar X-ray detector 40 also has the angle position being different from figure 5b.Feel in fig. 5 in shown operational mode
CT data are surveyed, are rotated and in Difference angles around inspection area 11 for this x-ray source 20 and CT-X ray detectors 30
Upper sensing CT data.Data for projection is sensed in shown operational mode in figure 5b, is that this x-ray source 20 and planar X ray are examined
Survey device 40 to be opposed to arrange, to sense the data for projection by unique angle position.Herein it can also be seen that X-ray beam
21 adapt to the area of each used X-ray detector 30,40 (by collimator), because these areas are typically difference
Size.
For example shown according to the application of radiographic apparatus of the present utility model as follows：CT data are sensed first, so as to
Shooting is complete to check target (such as patient body).Thereby determine that the geometry position in the section to be checked (such as organ)
Put, thus implement the positioning accordingly to adjust of planar X-ray detector again.During CT data sensings or especially in CT numbers
According to the data for projection that can also sense and analyze desired section after sensing.In addition, examined according to X ray of the present utility model
Disconnected device can shoot phase contrast data and spectrum measuring data.
Claims (18)
1.X ray diagnostic devices, the radiographic apparatus have：
- surround the rotatable ring-type gantry in inspection area；
- just what a be arranged on described gantry on x-ray source；
- CT-X the ray detectors installed on described gantry to the x-ray source；
- planar X-ray detector, the planar X-ray detector can be arranged between the inspection area and described gantry,
And the planar X-ray detector can be positioned at desired angle position around the inspection area along gyratory directions
On；
Characterized in that, the x-ray source and the such configuration of the X-ray detector so that in the first mode by described
Planar X-ray detector senses data for projection and senses CT data by the CT-X ray detectors in a second mode.
2. radiographic apparatus according to claim 1, it is characterised in that be disposed with and extend around the inspection area
Holding meanss.
3. radiographic apparatus according to claim 2, it is characterised in that the holding meanss have rail system, should
Rail system has a track or two tracks extended parallel to each other.
4. radiographic apparatus according to claim 3, it is characterised in that one track or described two rails
Road is mounted concentrically with gantry.
5. the radiographic apparatus according to any one of claim 2 to 4, it is characterised in that the planar X ray inspection
Device is surveyed not install removedly and revolvably around the inspection area in the holding meanss.
6. the radiographic apparatus according to any one of claim 2 to 4, it is characterised in that the planar X ray inspection
Device is surveyed to be rotatably mounted removably and around the inspection area in the holding meanss.
7. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the radiographic apparatus
Also have and be used to make the planar X-ray detector temporarily be positioned at desired angle around the inspection area along direction of rotation
The device spent on position.
8. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the planar X ray inspection
Surveying the angle position of device can manually or flexibly adjust.
9. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the radiographic apparatus
Also there is the device for the angle position for being used to detect the planar X-ray detector.
10. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the radiographic apparatus
Also there is the control unit for the angle position for being used to adjust the x-ray source.
11. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the radiographic apparatus
Also there is the control unit for adjustment modes.
12. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that described two pattern energy
It is enough to run individually or together.
13. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the radiographic apparatus
Also there is the collimator that the beamwidth for being used for making X-ray beam adapts to the area of the planar X-ray detector.
14. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the planar X ray inspection
Device is surveyed to adjust radially and/or axially and/or on the side relative to described gantry.
15. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the x-ray source can be with
Adjusted relative to described gantry radially and/or axially and/or on the side.
16. the radiographic apparatus according to any one of claim 1 to 4, it is characterised in that the radiographic apparatus
Also have and be used for by the reconstruction unit of the CT data reconstruction images sensed, wherein, if the planar X-ray detector is arranged in institute
State between inspection area and described gantry, the position of the planar X-ray detector is considered when rebuilding.
17. radiographic apparatus according to claim 2, it is characterised in that the holding meanss are in inspection area and dragon
Gantry side is arranged between door or is arranged around gantry.
18. radiographic apparatus according to claim 2, it is characterised in that the holding meanss are rail systems,
The planar X-ray detector can be installed on the rail system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202015106190.0 | 2015-11-16 | ||
| DE202015106190.0U DE202015106190U1 (en) | 2015-11-16 | 2015-11-16 | X-ray diagnostic device |
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| Publication Number | Publication Date |
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| CN206979499U true CN206979499U (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621225932.7U Active CN206979499U (en) | 2015-11-16 | 2016-11-15 | Radiographic apparatus |
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| CN (1) | CN206979499U (en) |
| DE (1) | DE202015106190U1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102016202847B4 (en) * | 2016-02-24 | 2024-08-08 | Siemens Healthineers Ag | X-ray equipment and method for medical imaging |
| DE102019135780A1 (en) * | 2019-12-23 | 2021-06-24 | Otto-Von-Guericke-Universität Magdeburg | Computed tomography system |
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| DE202009012451U1 (en) | 2009-09-16 | 2009-12-31 | Achilles, Dieter | Article with cleaning cloth |
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