CN110292394A - A kind of medical treatment scanography bed - Google Patents
A kind of medical treatment scanography bed Download PDFInfo
- Publication number
- CN110292394A CN110292394A CN201910570923.3A CN201910570923A CN110292394A CN 110292394 A CN110292394 A CN 110292394A CN 201910570923 A CN201910570923 A CN 201910570923A CN 110292394 A CN110292394 A CN 110292394A
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- Prior art keywords
- bedstead
- bed board
- driver
- scanography
- bed
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/037—Emission tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. 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
Abstract
The invention discloses a kind of medical scanography beds, including bed board, bedstead, lifting device and pedestal；The first driver, the setting that the main body of bed board and the main body of bedstead are parallel to each other are provided on bedstead, the first driver connect with bed board and bed board is driven to move along first direction；Lifting device is set to below bedstead and supports bedstead, and lifting device connect with the second driver and bedstead is driven to move in a second direction, and second direction is vertical with first direction；Third driver is provided on pedestal, third driver is connect with lifting device, and third driver drives lifting device to move integrally along first direction.Difficulty is corrected using the fusion that the present invention helps to reduce between twice sweep image, improves the precision of blending image.
Description
Technical field
The present invention relates to medical instruments fields, more particularly relate to a kind of medical scanography bed of medical scanning.
Background technique
PET-CT is a kind of emerging medical examination apparatus, by PET (positron emission tomography) equipment and CT (electricity
Sub- computed tomography) equipment organically combines, by the image processing workstations of rear end by PET image and CT image
It organically blends to form PET-CT image.Since CT can show that inspected object is examined the section at position or the image of solid,
PET image can obtain the dynamic physiology metabolic alterations situation of each organ of inspected object or tissue, and therefore, PET-CT is mentioned
The prediction of confession and treatment processing information are more much more than independent PET and CT, it has surmounted the existing field of independent PET and independent CT,
Institute's function that is functional and completing PET of superelevation shelves CT can be completed, the efficiency than simple PET improves 60% or more, also
More more accurate than CT, quick cardiac muscle and cerebral blood perfusion function image can be provided.PET-CT blending image can describe well
Effect of the disease to Biochemical processes identifies physiology and pathologic intake, can detect morning before disease obtains dissection evidence
Phase morbidity sign provides most preferably for drug in the clinical correct plan field for determining radiotherapy, detection therapeutic process and radiotherapeutic effect
Therapeutic scheme and screen most effective therapeutic agent.
Due in PET-CT equipment CT equipment and PET device be usually it is placed side by side, PET device and CT should be made to set
Standby aperture center is consistent.Simultaneously because needing that inspected object is first sent into CT using Medical treatment examining table when scanography
Equipment carries out CT scan to obtain CT image, and then inspected object is sent into PET device using same Medical treatment examining table and is carried out
PET scan is to obtain PET image, and therefore, requirement of the PET-CT equipment to Medical treatment examining table is than individual CT equipment or individually
PET device will be high.The Medical treatment examining table of PET-CT equipment should meet claimed below at least: the first, length can satisfy
A large amount of range requests of CT scan and PET scan；The second, deformation after Medical treatment examining table trails is as small as possible to reduce image
Correct difficulty；Third, Medical treatment examining table should avoid influencing the operation of CT equipment or PET device；4th, Medical treatment examining table is answered
When holding homeostasis operation.
However, Medical treatment examining table in the prior art deformed after being often unable to satisfy above-mentioned requirements, such as length elongation
Cause later image correction difficult greatly, such as since length variation causes to deform not in CT scan and PET scan in scanning process
The structural instability of the lifting part of Medical treatment examining table causes to rise for a long time using being easily damaged
System crash is dropped, the normal use etc. of bed body is influenced.
Summary of the invention
The object of the present invention is to provide a kind of medical scanography beds, to solve the problems, such as above-mentioned at least one.
Medical treatment scanography bed provided by the invention, including bed board, bedstead, lifting device and pedestal；On the bedstead
It is provided with the first driver, the setting that the main body of the main body of the bed board and the bedstead is parallel to each other, first driver
It is connect with the bed board and the bed board is driven to move along first direction；The lifting device is set to below the bedstead and props up
The bedstead is supportted, the lifting device connect with the second driver and the bedstead is driven to move in a second direction, and described second
Direction is vertical with the first direction；Third driver is provided on the pedestal, the third driver and the lifting fill
Connection is set, the third driver drives the lifting device to move integrally along the first direction.
According to one embodiment of present invention, the bottom of the bed board is provided with idler wheel, and the idler wheel is fixed on the bed
On frame and support the bed board.
According to one embodiment of present invention, the bed board bottom is provided with the anti-fall pulley being arranged symmetrically, the anticreep
Angle between the extending direction and vertical direction of the rotary shaft of pulley is acute angle, and the bedstead end is provided with and the anticreep
The stop part of pulley cooperation.
According to one embodiment of present invention, the end of the bed board is provided with to positive wad cutter.
According to one embodiment of present invention, the bedstead includes bedstead plate, bedstead guide rail, bedstead sliding block, bedstead synchronization
Band and the first driver；The bedstead guide rail is set to the side of the bedstead plate along the length direction of the bedstead plate；Institute
It states bedstead sliding block and is slidably matched respectively and with the bedstead guide rail along the extending direction interval of the bedstead guide rail, the bedstead is sliding
Block is fixedly connected with the bed board simultaneously；The bedstead synchronous belt is sliding across the bedstead along the extending direction of the bedstead guide rail
Block and with the bedstead sliding block cooperate；The drive shaft of first driver and the bedstead synchronous belt cooperate.
According to one embodiment of present invention, the bedstead further includes first clutch, the first clutch respectively with
The drive shaft of first driver and synchronous band connection.
According to one embodiment of present invention, be respectively set on the bedstead along the bed board length direction extend and mutually
Two parallel first guide rails, the bottom of the bed board are respectively set several first along bed board length direction extension and slide
Seat, the first slide are slidably matched with first guide rail.
According to one embodiment of present invention, be arranged on the bedstead it is fluted, on two opposite inner walls of the groove
Two first guide rails for extending and being parallel to each other along the length direction of the bed board are respectively set, the side of the bed board is set respectively
Several first slides extended along the bed board length direction are set, the first slide is slidably matched with first guide rail.
According to one embodiment of present invention, the lifting device include: bottom plate and shearing frame, the bottom plate with it is described
Plane where bedstead is parallel, and second drive shaft parallel with the first direction is provided on the bedstead, and described second drives
One end of moving axis is connect with the second driver；Articulated shaft is arranged in scissor-shaped and had to the connecting rod of the shearing frame, is located at ipsilateral
Two of them upper and lower end portion connect respectively with the bedstead and the bottom plate, positioned at other two ipsilateral upper and lower end
It is connect respectively with the bedstead and the bottom plate by the cooperation of slide and guide rail, the other end of second drive shaft and institute
State slide cooperation.
According to one embodiment of present invention, the pedestal includes: base body and third driver, the pedestal master
Body is parallel with the plane where the bedstead, and the base rail extended in a first direction is provided in the base body, described
Lifting device bottom is provided with several pedestal sliding blocks being slidably matched with the base rail；Third driver, the third
The output shaft of driver cooperates with the 5th sliding block for being fixed on the lifting device bottom.
According to one embodiment of present invention, the pedestal further includes shell, and the casing part coats the pedestal master
Body and the third driver.
According to one embodiment of present invention, the cooperation or the third between second drive shaft and the slide
Ball-screw realization is fitted through between the output shaft of driver and the 5th sliding block.
Medical treatment scanography bed provided by the invention can cooperate corresponding medical scan method to use, carry out first
Guarantee that the relative position between tested position and examination couch does not change when scanning and the second scanning, i.e. scratching after bed board stretching
Song deformation is remained unchanged in the first scanning and the second scanning, so that measurand is in visual field when the first scanning and the second scanning
Relative position it is consistent, the later period is carrying out the first image and when the second image co-registration, correction parameter is consistent, and reduces first
Error correction difficulty between image and the second image, for example, relative to CT scan and PET scan is used in traditional PET-CT
When, image rectification caused by bed board deflection deformation is inconsistent is difficult, can be by the PET-CT image after correction using the present apparatus
Accuracy promotes 20% or more.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the arrangement schematic diagram of medical scanography bed according to an embodiment of the invention；
Fig. 2 is the bed board of medical scanography bed according to an embodiment of the invention and the stereoscopic schematic diagram of bedstead；
Fig. 3 is the stereoscopic schematic diagram of the bed board of medical scanography bed according to fig. 2 and the partial enlargement of bedstead；
Fig. 4 is the floor map of the bed board of medical scanography bed according to fig. 2 and the end of bedstead；
Fig. 5 is the bed board of medical scanography bed according to an embodiment of the invention and the connection schematic diagram of bedstead；
Fig. 6 is the bed board of medical scanography bed in accordance with another embodiment of the present invention and the connection schematic diagram of bedstead；
Fig. 7 is the stereoscopic schematic diagram of the lifting device of medical scanography bed according to an embodiment of the invention；
Fig. 8 is the stereoscopic schematic diagram of the pedestal of medical scanography bed according to an embodiment of the invention；
Fig. 9 is the step schematic diagram of medical scan method corresponding with medical scanography bed of the invention；
Figure 10 is the status diagram according to the medical scanography bed of Fig. 1；
Figure 11 is another status diagram according to the medical scanography bed of Fig. 1.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described.It should be understood that following embodiment is merely to illustrate this
The range of invention and is not intended to limit the present invention.
It should be noted that it can directly set when component/part is referred to as on " setting exists " another component/part
It sets on another component/part or there may also be component/parts placed in the middle.When component/part is referred to as " connection/connection
Connect " to another component/part, it, which can be, is directly connected to/is attached to another component/part or may be simultaneously present residence
Middle component/part.Term as used herein " connection/connection " may include electrical and/or mechanical-physical connection/connection.This
Term "comprises/comprising" used in text refers to feature, step or the presence of component/part, but is not precluded one or more
Other feature, step or the presence of component/part or addition.Term as used herein "and/or" includes one or more phases
Close any and all combinations of listed item.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.Term used herein is intended merely to the purpose of description specific embodiment, and
It is not intended to limitation the application.
In addition, term " first ", " second " etc. are used for description purposes only pair similar with distinguishing in the description of the present application
As between the two and sequencing being not present, indication or suggestion relative importance can not be interpreted as.In addition, the application's
In description, unless otherwise indicated, the meaning of " plurality " is two or more.
Fig. 1 is the arrangement schematic diagram of medical scanography bed according to an embodiment of the invention, as shown in Figure 1, at this
In embodiment, CT equipment 50 and PET device 60 are arranged side by side, and examination couch is located at the side of CT equipment 50, the detection of CT equipment 50
Unit close to examination couch side proximal end face and PET device probe unit close to CT equipment side the distance between proximal end face
For w；Examination couch includes bed board 10, bedstead 20, lifting device 30 and pedestal 40, wherein bed board 10 is mobilizable to be fixed on bed
On frame 20, bedstead 20 is fixed on bottom plate 31 by lifting device 30, and bottom plate 31 is mobilizable to be fixed on pedestal 40, bed board 10
It can for opposite bedstead 20 along horizontal motion, lifting device 30 can be second under the action of the first driver (not shown)
Move bedstead 20 along vertical direction under the action of driver 33, second clutch 34 and the second drive shaft 35, bottom plate 31 can
Along horizontal motion under the action of third driver (not shown).
Fig. 2 is the bed board of medical scanography bed according to an embodiment of the invention and the stereoscopic schematic diagram of bedstead, Fig. 3
Be medical scanography bed according to fig. 2 bed board and bedstead partial enlargement stereoscopic schematic diagram, by Fig. 2, Fig. 3 combination Fig. 1
It is found that medical treatment scanography bed provided by the invention can specifically include bed board 10, bedstead 20, lifting device 30 and pedestal
40, wherein the main body 11 of bed board 10 is in long plate shape, some in the cross section of main body 11 is arcuation, and main body 11 is mobilizable
It is fixed on bedstead 20；Bedstead 20 includes bedstead plate 21, bedstead guide rail 22, bedstead sliding block 23, the driving of bedstead synchronous belt 24, first
The arranged stacked that the main body 11 of device 25 and first clutch 26, bedstead plate 21 and bed board 10 essentially corresponds to, bedstead guide rail 22
The side of bedstead plate 21 is arranged in along the extending direction of bedstead plate 21, bedstead sliding block 23 is fixedly connected with the main body 11 of bed board 10
And at the same time being slidably matched with bedstead guide rail 22, allow bedstead sliding block 23 that bed board 10 is driven to slide along bedstead guide rail 22；
Bedstead synchronous belt 24 also along bedstead plate 21 extending direction arrangement and it is parallel with bedstead guide rail 22, bedstead synchronous belt 24 passes through
It bedstead sliding block 23 and is coupled with bedstead sliding block 23, one end of bedstead synchronous belt 23 is connect with first clutch 26, the first clutch
Device 26 is connect with the first driver 25, so that can drive bedstead under the action of the first driver 25 and first clutch 26
Synchronous belt 24 drives bedstead sliding block 23 to move along bedstead guide rail 22.
Further, Fig. 4 is the plane signal of the bed board 10 of medical scanography bed according to fig. 2 and the end of bedstead 20
Figure, as shown in Figure 4, can also be arranged idler wheel 12 and anti-fall pulley 13, idler wheel 12 is set to the main body 11 of bed board 10 on bed board 10
Between the bedstead plate 21 of bedstead 20, the bottom of 12 supportive body 11 of idler wheel is so that bed board 10 can use up during the motion
Amount keeps motion morphology stabilization, does not deform；Vertical axis bilateral symmetry of the anti-fall pulley 13 about the main body 11 of bed board 10
Arrangement, and the shaft of anti-fall pulley 13 is a certain included angle with vertical axis, and the end of bedstead 20 is equipped with and anti-fall pulley
The stop part (not shown) of 13 cooperations, to limit the displacement of anti-fall pulley 13 to prevent bed board 10 super when sliding
Out sliding scale and fall off；The main body to positive wad cutter 14, to positive wad cutter 14 about bed board 10 can also be arranged in the end of bed board 10
11 vertical axis bilateral symmetry, can cooperate on the first medical scanning equipment and the second medical scanning equipment positive wad cutter 14
Aligning device come carry out center line to just, details are not described herein；In addition, can also include cable drag chain 27 and peace on bedstead 20
Full limit switch 28, bed board separating switch is with bed board synchronizing moving, and cable is with the movement of cable drag chain 27 and and security restriction
Remaining cable of switch 28 converges.
Fig. 5 is the bed board of medical scanography bed according to an embodiment of the invention and the connection schematic diagram of bedstead, by
Fig. 5 is it is found that can be using the connection type being slidably matched, specifically between the main body 11 of bed board 10 and the bedstead plate 21 of bedstead 20
Ground is provided with two first guide rails 16 for extending along its length and being parallel to each other, the main body 11 of bed board 10 on bedstead plate 21
Bottom several spaced apart first slides 15, the shape of first slide 15 along its length be respectively set led with first
The shape of rail 16 matches, and first slide 15 can be slided along the length direction of the first guide rail 16, to guarantee both to meet
The strength support requirement of bed board 10, while guaranteeing that bed board 10 can be moved smoothly along the required direction moved.
Fig. 6 is the bed board of medical scanography bed in accordance with another embodiment of the present invention and the connection schematic diagram of bedstead,
In the embodiment in fig 6, be respectively adopted increase " ' " appended drawing reference same or similar component is marked, can by Fig. 6
Know, the connection type that can be slidably matched using another kind between the bedstead plate 21' of the main body 11' and bedstead 20' of bed board 10',
Specifically, be arranged on bedstead plate 21' it is fluted, be provided on the opposite inner wall of groove along bedstead plate 21' length direction extend
Two first guide rail 16' being parallel to each other, arranged for interval along its length is respectively set in the side of the main body 11' of bed board 10'
Several first slides 15', the shape of first slide 15' is matched with the shape of the first guide rail 16', and first slide 15'
It can slide along the length direction of the first guide rail 16', to guarantee the strength support requirement for both having met bed board 10', protect simultaneously
Card bed board 10' can be moved smoothly along the required direction moved.
Fig. 7 is the stereoscopic schematic diagram of the lifting device of medical scanography bed according to an embodiment of the invention, by Fig. 7
In conjunction with Fig. 1 it is found that lifting device 30 may include bottom plate 31, shearing frame 32, the second driver 33, second clutch 34 and the
Two drive shafts 35, wherein bedstead 20 is fixed on bottom plate 31 by lifting device 30, and lifting device 30 can be in the second driver
33, move bedstead 20 along vertical direction under the action of second clutch 34 and the second drive shaft 35.Specifically, bottom plate 31 with
The setting that bedstead 20 is substantially parallel to each other is provided with two base plate rails being parallel to each other 36 on bottom plate 31；Frame 32 is sheared to wrap
Four connecting rods are included, wherein every two connecting rods form scissor arrangement, pass through A, B, C, D, E five between corresponding connecting rod hingedly
Axis connection rotates connecting rod around articulated shaft C, meanwhile, articulated shaft A is fixed on bottom plate 31, the both ends point of articulated shaft B
It is not installed on bottom plate 31 by the second sliding block 37 being slidably matched with base plate rail 36, the both ends of articulated shaft D pass through solid respectively
Determine the bottom that block 39 is fixed on bedstead 20, the both ends of articulated shaft E pass through third sliding block and the bed for being installed on 20 lower section of bedstead respectively
Frame guide rail 38 is slidably matched；One end of second drive shaft 35 cooperates with the Four-slider being installed on articulated shaft B, so that can
The second sliding block 37, the third sliding block at articulated shaft B, E are driven with the effect by the second driver 35 and second clutch 34
Sliding, since articulated shaft A is fixed on bottom plate 31, at this point, connecting rod will relatively rotate around articulated shaft C, to will fix
Bedstead 20 in top holds up or lowers along vertical direction, further aligning device is cooperated to complete to just.
Fig. 8 is the stereoscopic schematic diagram of the pedestal of medical scanography bed according to an embodiment of the invention, is combined by Fig. 8
Fig. 1 it is found that pedestal 40 may include base body 41, fixing piece 42, shell 43, support base 44 and third drive shaft 45,
In, the setting that the main body of base body 41 and bed board 10, bedstead 20 is substantially substantially parallel to one another, base body 41 passes through several
Fixing piece 42 is fixed on ground, and the third drive shaft 45 extended along its length is provided in base body 41, and third is driven
The both ends of moving axis 45 connect and are formed driving relationship with speed reducer and third driver (not shown) by support base 44, the
The other end of three drive shafts 45 and the 5th sliding block 48 cooperate；The two sides of base body 41 are respectively arranged with pedestal along its length
Guide rail 46, setting several pedestal sliding blocks 47 being spaced on base rail 46, pedestal sliding block 47 and the 5th sliding block 48 respectively with
Bottom plate 31 connects, so that passing through the cooperation of third drive shaft 45 and the 5th sliding block 48, in third driver and speed reducer
Driving under, bottom plate 31 can be driven to slide along base rail 46, to be further driven to bedstead 20 and bed board 10 is whole moves
It is dynamic.Shell 43 can cover up section components, keep equipment shape more beautiful.
In the above embodiment of the invention, the first driver, the second driver and third driver can use
Motor, the cooperation between cooperation and third drive shaft 45 and the 5th sliding block 48 between the second drive shaft 35 and Four-slider are equal
It can be realized using ball-screw, for example, the feed screw nut in third drive shaft 45 matches with the 5th sliding block (feed screw nut's seat) 48
It closes, details are not described herein.
Medical treatment scanography bed provided by the invention can be swept when in use according to following medical scan method, the medical treatment
The method of retouching at least includes the following steps:
Step S1: the first medical scanning equipment is aligned with the center line of the second medical scanning equipment；
Step S2: measurand is fixed on examination couch, moves the bed board of examination couch along first direction and using first
Medical scanning equipment carries out the first scanning to measurand；
Bed board is back to the initial position of examination couch after S3: the first end of scan of step；
Step S4: bed board and bedstead are moved integrally into distance w along first direction, distance w is the first medical scanning equipment
Probe unit proximal end face and the distance between the proximal end face of probe unit of the second Medical Devices；
Step S5: moving bed board again and carries out the second scanning to measurand using the second medical scanning equipment.
More specifically, needing to check that the first medical scanning equipment and the second medical treatment scanning are set before above-mentioned steps S1
It is standby whether to operate normally, while needing to guarantee that radioactive tracer has been taken or injected to measurand.
In above-mentioned steps S1, the first medical scanning equipment and the second medical scanning equipment are arranged side by side and use phase
Same examination couch, the first medical scanning equipment are scanned logical when inspection between examination couch and the second medical scanning equipment
The first scanning is first often carried out using the first medical scanning equipment, the second scanning is then carried out using the second medical scanning equipment；The
The center line of one medical scanning equipment refers to the central axis of the first medical scanning equipment detection hole, in the second medical scanning equipment
Heart line refers to the central axis of the second medical scanning equipment detection hole, the central axis i.e. the first medical scanning equipment or the second doctor
Treat visual field (field of view, abbreviation FOV) axis of scanning device scanning；First medical scanning equipment is swept with the second medical treatment
The center line alignment for retouching equipment refers to that the central axis of the detection hole of the first medical scanning equipment and the second medical scanning equipment is overlapped.
Those skilled in the art should be noted that the center line of the first medical scanning equipment and the second medical scanning equipment
Between angular error should be not more than 0.1 °.It will be appreciated by those skilled in the art that the first medical treatment scanning in the present invention is set
Standby and the second medical scanning equipment can optional two kinds from current common medical scanning equipment (such as CT, MRI, PET), than
If the first medical scanning equipment is CT equipment, the second medical scanning equipment is PET device.
In above-mentioned steps S2, measurand can be patient, animal or experiment prosthese；It should when fixed measurand
Remain unchanged the relative position between the detected part and bed board of patient, animal or experiment prosthese；The bed board of examination couch
Moving distance should make measurand be admitted in the specified range of the first medical scanning equipment scanning field of view；First scanning with
The scanning mode of common first medical scanning equipment of those skilled in the art is identical, and details are not described herein.First direction and
The centerline parallel of one medical scanning equipment and the second medical scanning equipment.
In above-mentioned steps S2, it is also necessary to by lifting device by the central axis of measurand adjust to first medical treatment
The center line of scanning device and the second medical scanning equipment flushes.
In above-mentioned steps S3, initial position is position of the bed board before the first scanning is mobile, which can lead to
It crosses marker or backstop thing is marked, the movement of bed board can be realized by numerical-control motor, and the speed of bed board movement is preferred
Ground is no more than 200mm/s.
In above-mentioned steps S4, the proximal end face of the first medical scanning equipment refers to that the probe unit of the first medical scanning equipment leans on
The end face of nearly examination couch side, the proximal end face of the second medical scanning equipment refer to the probe unit of the second medical scanning equipment close to the
The end face of one medical scanning equipment side；It is opposite between measurand and bed board when bed board and bedstead are moved integrally distance w
Position remains unchanged, and bed board is located at the initial position of examination couch.
In above-mentioned steps S5, bed board is moved again and refers to that bed board is moved since initial position as when the first scanning；
The second scanning is carried out after bed board and bedstead are moved integrally distance w, is used when being equivalent to the first scanning and the second scanning identical
Initial position, bed board keeps identical amount of deflection to change in displacement process in motion process twice, so that the first scanning
It is consistent with the parameter for generating error in the second scanning.Second scanning is scanned with common second medical treatment of those skilled in the art
Equipment scanning mode is identical, and details are not described herein.
Before above-mentioned steps S5, those skilled in the art be should be noted that due to the radioactive tracer of injection
Decay time is shorter, should shorten the duration between the first scanning and the second scanning as far as possible, this is conducive to obtain more acurrate
Blending image.
After above-mentioned steps S5, this method can also include step S6: bed board and bedstead are returned to initial position with standard
It is standby to detect next time.
More specifically, Fig. 9 is PET-CT medical treatment scan method corresponding with medical treatment scanography bed provided by the invention
Step schematic diagram, in Fig. 9, the first medical scanning equipment can select CT equipment, and the second medical scanning equipment can select PET
Equipment, then above-mentioned medical scan method may comprise steps of:
Step S1: CT equipment 50 is aligned with the center line of PET device 60, while starting the second driver 33 will be tested pair
The center of elephant is aligned with above-mentioned center line, as shown in phantom in fig. 1；
Step S2: measurand is fixed on the corresponding position on examination couch 10, the first driver is opened, makes examination couch
Bed board 10 is mobile along horizontal direction (centerline direction) from initial position and carries out CT scan to measurand, such as Figure 10 institute
Show；
Bed board 10 is back to the initial position of examination couch after the step S3:CT end of scan；
Step S4: bed board 10 and bedstead 20 are moved integrally into distance w to CT equipment 50 in the horizontal direction, distance w is CT
The proximal end face of the probe unit of equipment 50 and the distance between the proximal end face of probe unit of PET device 60, the movement of bottom plate 31
Speed is preferably more than 200mm/s；
Step S5: being again turned on the first driver, and driving bed board 10 moves bed board in the horizontal direction from initial position and adopts
PET scan is carried out to measurand with PET device 60, as shown in figure 11.
In above-mentioned steps S1, CT equipment is between examination couch and PET device；The center line of CT equipment and PET device
Alignment refers to that the central axis of the detection hole of CT equipment and PET device is overlapped.It should be noted that in CT equipment and PET device
Angular error between heart line should be not more than 0.1 °.
In above-mentioned steps S4, the proximal end face of CT equipment refer to CT equipment close to the end face of examination couch side, PET device it is close
End face refers to PET device close to the end face of CT equipment side；Bed board and bedstead are moved integrally into distance w and are equivalent to holding measurand
Relative position between examination couch is constant, first carries out CT in the case where tested position keeps identical deformation with bedstead and sweeps
It retouches, then carries out PET scan.
Before above-mentioned steps S4, those skilled in the art be should be noted that due to the radioactive tracer of injection
Decay time is shorter, should shorten the duration between CT scan and PET scan as far as possible, this is conducive to obtain more accurate
PET-CT blending image.
The medical scanography bed provided through the invention, using corresponding medical scan method, due to being swept in progress CT
It retouches and the bedstead of examination couch and bed board has been moved integrally into distance w with when PET scan, so that the bed in the first scanning and the second scanning
Plate is moved since the initial position, and the deflection deformation of bed board during the motion does not change, i.e., bed board stretch out after scratching
Song deformation is consistent in CT scan and PET scan, so that measurand is opposite in visual field when CT scan and PET scan
The variation of position is also consistent, and the later period, the correction parameter of change in location kept one when carrying out CT image and PET image merges
It causes, reduces the error correction difficulty between CT image and PET image.Relative in traditional PET-CT use CT scan and PET
When scanning, image rectification caused by bed board deflection deformation is inconsistent is difficult, and the present invention can be by the PET-CT image after correction
Accuracy promotes 20% or more.
Above-described, only presently preferred embodiments of the present invention, the range being not intended to limit the invention, of the invention is upper
Stating embodiment can also make a variety of changes.Made by i.e. all claims applied according to the present invention and description
Simply, equivalent changes and modifications fall within the claims of the invention patent.The not detailed description of the present invention is
Routine techniques content.
Claims (12)
1. a kind of medical treatment scanography bed, which is characterized in that the medical treatment scanography bed includes:
Bed board；
Bedstead, is provided with the first driver on the bedstead, what the main body of the main body of the bed board and the bedstead was parallel to each other
Setting, first driver connect with the bed board and the bed board are driven to move along first direction；
Lifting device, the lifting device are set to below the bedstead and support the bedstead, the lifting device and second
Driver connects and the bedstead is driven to move in a second direction, and the second direction is vertical with the first direction；And
Pedestal is provided with third driver on the pedestal, and the third driver is connect with the lifting device, the third
Driver drives the lifting device to move integrally along the first direction.
2. medical treatment scanography bed according to claim 1, which is characterized in that the bottom of the bed board is provided with idler wheel,
The idler wheel is fixed on the bedstead and supports the bed board.
3. medical treatment scanography bed according to claim 1, which is characterized in that the bed board bottom, which is provided with, to be arranged symmetrically
Anti-fall pulley, the angle between the extending direction and vertical direction of the rotary shaft of the anti-fall pulley is acute angle, the bedstead
End is provided with the stop part with anti-fall pulley cooperation.
4. medical treatment scanography bed according to claim 1, which is characterized in that the end of the bed board is provided with to positive target
Hole.
5. medical treatment scanography bed according to claim 1, which is characterized in that the bedstead includes:
Bedstead plate；
Bedstead guide rail, the bedstead guide rail are set to the side of the bedstead plate along the length direction of the bedstead plate；
Bedstead sliding block, the bedstead sliding block slide respectively and with the bedstead guide rail along the extending direction interval of the bedstead guide rail
Cooperation, the bedstead sliding block are fixedly connected with the bed board simultaneously；
Bedstead synchronous belt, the bedstead synchronous belt along the bedstead guide rail extending direction pass through the bedstead sliding block and with institute
State the cooperation of bedstead sliding block；
First driver, the drive shaft of first driver and the bedstead synchronous belt cooperate.
6. medical treatment scanography bed according to claim 5, which is characterized in that the bedstead further includes first clutch,
The first clutch respectively with the drive shaft of first driver and synchronous band connection.
7. medical treatment scanography bed according to claim 1, which is characterized in that be respectively set on the bedstead along the bed
Two first guide rails that plate length direction extends and is parallel to each other, the bottom of the bed board is respectively set several long along the bed board
The first slide that direction extends is spent, the first slide is slidably matched with first guide rail.
8. medical treatment scanography bed according to claim 1, which is characterized in that be arranged on the bedstead it is fluted, it is described
Two first guide rails for extending and being parallel to each other along the length direction of the bed board are respectively set on two opposite inner walls of groove,
The side of the bed board be respectively set it is several along the bed board length direction extend first slides, the first slide with it is described
First guide rail is slidably matched.
9. medical treatment scanography bed according to claim 1, which is characterized in that the lifting device includes:
Bottom plate, the bottom plate is parallel with the plane where the bedstead, is provided on the bedstead parallel with the first direction
The second drive shaft, one end of second drive shaft is connect with the second driver；
Frame is sheared, the connecting rod of the shearing frame is arranged in scissor-shaped and has articulated shaft, positioned at ipsilateral two of them upper and lower end
Portion is connect with the bedstead and the bottom plate respectively, passes through slide and guide rail positioned at other two ipsilateral upper and lower end
Cooperation is connect with the bedstead and the bottom plate respectively, and the other end and the slide of second drive shaft cooperate.
10. medical treatment scanography bed according to claim 1, which is characterized in that the pedestal includes:
Base body, the base body is parallel with the plane where the bedstead, is provided in the base body along first
The base rail that direction extends, it is sliding that the lifting device bottom is provided with several pedestals being slidably matched with the base rail
Block；And
Third driver, the output shaft of the third driver cooperate with the 5th sliding block for being fixed on the lifting device bottom.
11. medical treatment scanography bed according to claim 10, which is characterized in that the pedestal further includes shell, described
Casing part coats the base body and the third driver.
12. the medical scanography bed according to claim 9 or 10, which is characterized in that second drive shaft and institute
It states and fits through ball wire between the output shaft of the cooperation between slide or the third driver and the 5th sliding block
Thick stick is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570923.3A CN110292394A (en) | 2019-06-28 | 2019-06-28 | A kind of medical treatment scanography bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570923.3A CN110292394A (en) | 2019-06-28 | 2019-06-28 | A kind of medical treatment scanography bed |
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| CN110292394A true CN110292394A (en) | 2019-10-01 |
Family
ID=68029284
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| CN201910570923.3A Pending CN110292394A (en) | 2019-06-28 | 2019-06-28 | A kind of medical treatment scanography bed |
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| CN (1) | CN110292394A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111012352A (en) * | 2019-12-31 | 2020-04-17 | 山东奥新医疗科技有限公司 | Sickbed for extremity magnetic resonance imaging |
| CN111528896A (en) * | 2020-05-28 | 2020-08-14 | 东软医疗系统股份有限公司 | Combined medical equipment |
| CN112716726A (en) * | 2019-10-14 | 2021-04-30 | 河南省正骨研究院 | Support frame for orthopedic image examination and use method thereof |
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| CN113180713A (en) * | 2020-11-24 | 2021-07-30 | 沈阳工业大学 | Multimode imaging support |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716726A (en) * | 2019-10-14 | 2021-04-30 | 河南省正骨研究院 | Support frame for orthopedic image examination and use method thereof |
| US20210128381A1 (en) * | 2019-11-04 | 2021-05-06 | GE Precision Healthcare LLC | Method and system for providing dual axes motions using a single drive |
| CN112773388A (en) * | 2019-11-04 | 2021-05-11 | 通用电气精准医疗有限责任公司 | Method and system for providing dual axis motion using a single drive |
| US11679046B2 (en) * | 2019-11-04 | 2023-06-20 | GE Precision Healthcare LLC | Method and system for providing dual axes motions using a single drive |
| CN111012352A (en) * | 2019-12-31 | 2020-04-17 | 山东奥新医疗科技有限公司 | Sickbed for extremity magnetic resonance imaging |
| CN111528896A (en) * | 2020-05-28 | 2020-08-14 | 东软医疗系统股份有限公司 | Combined medical equipment |
| CN111528896B (en) * | 2020-05-28 | 2023-05-23 | 沈阳智核医疗科技有限公司 | Combined medical equipment |
| CN113180713A (en) * | 2020-11-24 | 2021-07-30 | 沈阳工业大学 | Multimode imaging support |
| CN113180713B (en) * | 2020-11-24 | 2024-02-09 | 沈阳工业大学 | Multimode imaging support |
| CN115770058A (en) * | 2022-11-17 | 2023-03-10 | 南通市肿瘤医院 | Self-learning influence device convenient to adjust for hospital radiology department based on high in clouds |
| CN115770058B (en) * | 2022-11-17 | 2023-08-15 | 南通市肿瘤医院 | Hospital radiology department is convenient for adjust from learning influence device based on high in clouds |
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