Multi-modal index pointTechnical field
The present invention relates to medical aid technical fields, more particularly, to a kind of multi-modal index point.
Background technique
With the rapid development of Medical Imaging and computer technology, a variety of advanced medical imaging devices (such as CT andMRI) medical image information of multiple modalities is provided for clinical diagnosis.The medical image of different modalities can show human internal organWith the information of pathological tissues different characteristics.Multi-modality medical image fusion is exactly that image fusion technology is applied to medical image,To the medical image for deriving from different medical imaging devices, by fusion treatment, obtain it is new include more information medicineImage, to provide more abundant human dissection and physiological and pathological information for clinical diagnosis.
The key of image co-registration is that image registration, image registration mostly use the method based on Image Control Point.Control pointControl point and external control point in fission.Internal control point is some internal anatomic landmark points, and searching is extremely difficult, bothersome,Certain experience is sought, some subjectivities is had, is not easy to grasp.Obvious using external control point, accurate, registration calculation amount is small,Stability is good, and speed is fast, and precision is high, easily grasps.
But the external control point of the solid forms applied to different imaging devices (such as CT and MRI) is not the shadow of identical materialPicture point needs to be replaced in different imaging device inspections, meets the requirement of equipment imaging.Control point is replaced back and forth, is increasedAdd the workload of medical worker, meanwhile, control point is taken out the position for reloading the control point before Shi Huiyu again and is existed notEvitable rigging error, and then the precision of subsequent image fusion is had an impact.
Thus, a kind of control point of medical worker when it is hoped that there will be multi-modal external tag points as image co-registration indicatesPoint is fixed on the external of patient, and the image check for replacing different modalities does not need replacement index point.Currently, being common to multi-modalThe imaging substance of (a variety of imaging devices) only has liquid.
Applicants have discovered that at least there is following technical problem in the prior art:
Same index point cannot apply in different imaging devices in the prior art, inconvenient to use.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-modal index points, to solve index point use in the prior art not sideJust the technical issues of.Many technical effects that optimal technical scheme in many technical solutions provided by the invention can be generated(structure is simple, easy to use, save material and cost) elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes:
The present invention provides a kind of multi-modal index point, including registration body and nominal volume, the registration body and the nominal volumeIt is made of not developing material, the nominal volume is internally provided with liquid storage chamber, and multi-modal imaging liquid can inject the liquid storage chamberIn；The calibration physical efficiency is registrated that body is connected and the registration physical efficiency is fixed on the predeterminated position of human body with described.
Preferably, the nominal volume includes liner and receiving member, and the receiving member has accommodating chamber, and the liner is located at instituteIt states in accommodating chamber and the liner is connected with the receiving member；The liner is in vacant state and institute in the accommodating chamberThe gap stated between liner and the receiving member constitutes the liquid storage chamber；
Hatch frame is provided on the receiving member, there are opening states and closed state for the hatch frame, when describedIn the open state, the liquid storage chamber is in communication with the outside hatch frame, and multi-modal imaging liquid can inject in the liquid storage chamber, whenIn the closure state, the liquid storage chamber is in sealing state to the hatch frame.
Preferably, the liner and the accommodating chamber are in spherical, and the liner is arranged concentrically with the accommodating chamber and instituteStating liner is thin-walled hollow structure.
Preferably, the index point includes connector, and the liner is connected with the receiving member by the connector.
Preferably, the hatch frame includes fluid passage and sealing element, and the fluid passage is located on the receiving member,The fluid passage can be such that the liquid storage chamber is connected to the external world；The sealing element can be extended partially or entirely into the fluid passageInterior, the end of the sealing element is cambered surface, from top to bottom enter when one end that the sealing element is provided with the cambered surface described inIn fluid passage and when extending at the bottom position of the fluid passage, the cambered surface and the inner wall of the receiving member are enclosedRound and smooth spherical surface and the sealing element energy liquid storage chamber is in sealing state.
Preferably, the index point includes supporting element, and one end of the supporting element is connected with the liner, the supportThe free end of part extends towards the direction close to the fluid passage；The sealing element can all extend into the fluid passageAnd when at the bottom position that the sealing element extends to the fluid passage, the free end of the supporting element can be with the sealingPart is in contact.
Preferably, the sealing element includes function part and lug boss, is provided with along the circumferential direction of the function part describedLug boss；The cambered surface is located at one end of the function part, when one end that the function part is provided with the cambered surface extends to instituteWhen stating at the bottom position of fluid passage, the lug boss can fit with the receiving member around the fluid passage.
Preferably, the lug boss close to the function part end and the lug boss it is annular in shape.
Preferably, the lug boss close to the function part end and the lug boss in bulk, on the function partAt least two lug bosses are provided with, and all lug bosses are uniformly distributed along the circumferential direction of the function part.
Preferably, the registration body includes fixing seat, is arranged fluted in the fixing seat, and the calibration physical efficiency extends intoTight fit is formed in the groove and with the groove；The fixing seat is provided with bonding knot far from one end of the nominal volumeStructure, fixing seat can glue human body predetermined position by the adhesive structure.
The multi-modal index point of the present invention can scan on a variety of imaging devices, and can scan in different imaging devicesWhen clearly external tag image is presented, facilitate subsequent image to merge.
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 belowThere 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 thisSome embodiments of invention for those of ordinary skill in the art without creative efforts, can be withIt obtains other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the multi-modal index point of the present invention；
Fig. 2 is the multi-modal index point nominal volume surface structure schematic diagram of the present invention；
Fig. 3 is the first structural schematic diagram of the multi-modal index point nominal volume of the present invention；
Fig. 4 is second of structural schematic diagram of the multi-modal index point nominal volume of the present invention.
1, nominal volume in figure；11, receiving member；12, liner；13, sealing element；131, function part；132, lug boss；14, liquidBody channel；15, bottom end；2, it is registrated body；21, fixing seat；22, adhesive structure；3, connector；4, supporting element；5, draught line；6, it stores upSap cavity.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out belowDetailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.BaseEmbodiment in the present invention, those of ordinary skill in the art are obtained all without making creative workOther embodiment belongs to the range that the present invention is protected.
The present invention provides a kind of multi-modal index point, including registration body and nominal volume, is registrated body and nominal volume by not showingShadow material is made, and nominal volume is internally provided with liquid storage chamber, and multi-modal imaging liquid can inject in liquid storage chamber；Calibration physical efficiency be registratedBody, which is connected and is registrated physical efficiency, to be fixed on the predeterminated position of human body.The multi-modal index point of the present invention can apply to a variety of imagings and setIt is standby upper, and clearly external tag image can be presented when different imaging devices scans, facilitate subsequent image to merge.
Wherein, developing material is to refer to that the material of high density signal is presented (clearly in CT and nuclear magnetic resonance equipment scanningClear external tag image), on the contrary it is known as not developing material, and multi-modal imaging liquid is that can scan in CT and nuclear magnetic resonance equipmentThe imaging liquid of Shi Chengxian high density signal.
Specifically, as shown in figures 1-4, nominal volume 1 includes liner 12 and receiving member 11, and receiving member 11 has accommodating chamber, interiorGallbladder 12 is located in accommodating chamber and liner 12 is connected with receiving member 11；Liner 12 is in vacant state and liner 12 in accommodating chamberGap between the inner wall of receiving member 11 constitutes liquid storage chamber 6.Meanwhile hatch frame, hatch frame are provided on receiving member 11There are opening state and closed state, when hatch frame in the open state, liquid storage chamber 6 is in communication with the outside, multi-modal imagingLiquid can inject in liquid storage chamber 6, when hatch frame in the closure state, liquid storage chamber 6 is in sealing state.
Wherein, liner 12 is connected by connector 3 with receiving member 11.The shape of connector 3 is rod-shaped or thin-walled pieceOne end of shape, connector 3 is connected with liner 12, and the other end of connector 3 is connected with the inner wall of receiving member 11.Also, makeFor a kind of preferred embodiment, which is located at the position of hatch frame.
Preferably, in order to mitigate the self weight of index point and keep index point rounded in any angle imaging, therefore, thisLiner 12 and accommodating chamber in embodiment be in it is spherical, liner 12 and accommodating chamber are arranged concentrically and liner 12 is thin wall hollow knotStructure.
In present embodiment, hatch frame includes fluid passage 14 (with reference to attached drawing 2, label 14) and sealing element 13, liquidChannel 14 is located on receiving member 11, and fluid passage 14 can be such that liquid storage chamber 6 is connected to the external world, and sealing element 13 can extend partially or entirelyInto in fluid passage 14.At least one end is cambered surface in 13 two ends of sealing element, when sealing element 13 is provided with cambered surfaceOne end is from top to bottom interior into fluid passage 14 and extends to the bottom end 15 of fluid passage 14 (with reference to attached drawing 2, label 15) positionWhen setting place, the inner wall of the cambered surface and receiving member 11 encloses round and smooth spherical surface and sealing element 13 can make liquid storage chamber 6 be in seal shapeState.
Sealing element 13 extends into liquid storage chamber 6 in order to prevent, and the feasible technical side of following two is provided in present embodimentCase:
The first: sealing element 13 can be fully extended in fluid passage 14.
As shown in figure 3, index point at this time includes supporting element 4, one end of supporting element 4 is connected with liner 12, supporting element 4Free end towards close to fluid passage 14 direction extend；Sealing element 13 can be extended into all in fluid passage 14 and when sealingWhen part 13 is extended at 15 position of bottom end of fluid passage 14, the free end of supporting element 4 can be in contact with the cambered surface of sealing element 13.Supporting element 4 can limit the maximum distance that sealing element 13 is moved along fluid passage 14, and supporting element 4 can ensure that sealing element 13 does not prolongIt puts in liquid storage chamber 6.
Preferably, supporting element 4 is opposite with the position of sealing element 13.
Second: the part of sealing element 13 can extend into fluid passage 14.
As shown in figure 4, at this point, sealing element 13 includes function part 131 and lug boss 132, along the circumferential direction of function part 131It is provided with lug boss 132；Cambered surface is located at one end of function part 131, when one end that function part 131 is provided with cambered surface extends to liquidWhen at 15 position of bottom end in channel 14, lug boss 132 can fit with the receiving member 11 around fluid passage 14.Lug boss 132The maximum distance that energy attributive function portion 131 moves in fluid passage 14, and assurance function portion 131 is not extend into liquid storage chamber 6.
At this point, supporting element 4 can both be arranged on liner 12, supporting element 4 can also be not provided with.
Preferably, lug boss 132 close to function part 131 end and lug boss 132 it is annular in shape.
Preferably, lug boss 132 close to function part 131 end and lug boss 132 be arranged in bulk, on function part 131There are at least two lug bosses 132, and all lug bosses 132 are uniformly distributed along the circumferential direction of function part 131.
Preferably, from the appearance of receiving member 11 towards 11 axis direction of receiving member, the perimeter of fluid passage 14 is gradually reduced(radial dimension of fluid passage 14 is gradually reduced).
Preferably, it is provided with draught line 5 at position opposite with hatch frame on receiving member 11, pulls 5 energy of draught lineSeparate nominal volume 1 with 2 phase of body is registrated.
As shown in Figure 1, the registration body 2 in present embodiment includes fixing seat 21, fluted, calibration is set in fixing seat 21Body 1 can extend into groove and form tight fit with groove；Fixing seat 21 is provided with adhesive structure far from one end of nominal volume 122, fixing seat 21 can glue human body predetermined position by adhesive structure 22.
Multi-modal index point in present embodiment makes hatch frame in the open state first when in use, then willMulti-modal imaging liquid injects in liquid storage chamber 6 from fluid passage 14, when the bottom for having a small amount of multi-modal imaging liquid not have fluid passage 14When end 15 is entered in fluid passage 14, sealing element 13 is filled in fluid passage 14.Then the mark of multi-modal imaging liquid will be housedDetermine body 1 and be connected with body 2 is registrated (when installation, it should be noted that by hatch frame towards the groove of fixing seat 21), is formed more than oneMode index point.
Then, multiple multi-modal index points are made in the same way, and successively by multiple multi-modal index points by gluingStructure is closed to be fixed on the predeterminated position of human body.Finally, the user for carrying multi-modal index point is made to enter different equipmentIt is scanned, and by the image co-registration after scanning.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, anyThose familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all containLid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.