CN103941202A - Shoulder coil used for magnetic resonance imaging equipment - Google Patents
Shoulder coil used for magnetic resonance imaging equipment Download PDFInfo
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- CN103941202A CN103941202A CN201310022635.7A CN201310022635A CN103941202A CN 103941202 A CN103941202 A CN 103941202A CN 201310022635 A CN201310022635 A CN 201310022635A CN 103941202 A CN103941202 A CN 103941202A
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- sliding shoe
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Abstract
The invention relates to a shoulder coil used for magnetic resonance imaging equipment. The shoulder coil comprises a fixed component and a movable component. The movable component is slidably arranged on the fixed component, and the sliding direction of the movable component is consistent with the width direction of the shoulder of a human body. The movable component includes a support pillar and a coil part, the coil part is slidably arranged on the support pillar, and the sliding direction of the coil part is consistent with the thickness direction of the shoulder of the human body. Since the coil part is slidably arranged on the support pillar, the shoulder coil in the invention can adapt to human body shoulders of different thickness, thereby facilitating adaptation of equipment, and facilitating improvement of an imaging effect.
Description
Technical field
The present invention relates to MR imaging apparatus, especially relate to a kind of shoulder coil for MR imaging apparatus.
Background technology
Magnetic resonance imaging (Magnetic Resonance Imaging, MRI) be to utilize hydrogen nuclei in tissue (proton) in magnetic field, to be subject to the excitation of radio-frequency pulse and nmr phenomena occurs, produce magnetic resonance signal, through robot calculator processing, reconstruct the imaging technique of the image of a certain aspect of human body.
MR imaging apparatus can check the many positions of human body.Wherein, structure shoulders of human body being checked is called shoulder coil.Fig. 1 illustrates an a kind of wherein side of shoulder coil structure of routine.Shown in Fig. 1, shoulder coil 11 is arranged on a base plate 12.In order to adapt to different shoulder width, shoulder coil 11 can slide at shoulder Width along base plate, regulates thereby realize shoulder Width.
But different individualities has difference except shoulder width, shoulder thickness also has difference.If shoulder coil can not regulate at shoulder thickness direction, can cause shoulder coil and shoulder not to fit tightly, affect magnetic resonance imaging effect.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of shoulder coil for MR imaging apparatus, and it can carry out adaptability adjusting according to the thickness of shoulder.
The present invention is that to solve the problems of the technologies described above the technical scheme adopting be a kind of shoulder coil for MR imaging apparatus, comprises fixation kit and movable component.Described movable component is located on described fixation kit slidably, and the glide direction of described movable component is consistent with human body shoulder Width.Described movable component comprises a support column and a coil portion, and described coil portion is located on described support column slidably, and the glide direction of described coil portion is consistent with human body shoulder thickness direction.
In one embodiment of this invention, described fixation kit has a left sliding shoe and a right sliding shoe, and described movable component is located on described left sliding shoe or described right sliding shoe alternatively.
In one embodiment of this invention, on described left sliding shoe and described right sliding shoe, have respectively a socket, described movable component is inserted on described left sliding shoe or described right sliding shoe by described socket.
In one embodiment of this invention, on described socket, have and renovate.
In one embodiment of this invention, described renovating with rotating shaft is located on described left sliding shoe and described right sliding shoe, and described in renovate and there is a jacking part, described jacking part is still positioned at described socket in the time that described movable component inserts described socket, and renovates outside upset and by described movable component jack-up with described.
In one embodiment of this invention, described fixation kit has a base, on described base, there is rail plate, the bottom of described left sliding shoe and described right sliding shoe has respectively guide rail bar, described left sliding shoe and described right sliding shoe are located on described base, and described guide rail bar and the cooperation of described rail plate.
In one embodiment of this invention, on described base, there is the concavo-convex muscle groove of first wave shape wave, described left sliding shoe and described right sliding shoe bottom have the concavo-convex muscle groove of Second Wave shape wave, and the concavo-convex muscle groove of described first wave shape wave and the concavo-convex muscle groove of described Second Wave shape wave cooperatively interact.
In one embodiment of this invention, the concavo-convex muscle groove of described first wave shape wave and the concavo-convex muscle groove of described Second Wave shape wave have respectively fixing muscle separation.
In one embodiment of this invention, described coil portion has the shell and the inner casing that mutually combine, described inner casing is used for covering human body shoulder, and described shell is provided with connecting link, and the middle part of described connecting link is fixed on a bearing pin, one end of described connecting link is connected with a button, the other end of described connecting link has outside ratchet, and the inside surface of described support column has tooth bar, and described ratchet coordinates with described tooth bar normally, and in the time that described button is pressed, described ratchet separates with described tooth bar.
In one embodiment of this invention, in described shell, also there is stage clip, be resisted against the described other end of described connecting link, so that described ratchet is pressed on described tooth bar normally.
In one embodiment of this invention, the quantity of described connecting link is 2.
Shoulder coil of the present invention is due to coil portion is slidably disposed on a support column, thereby can adapt to the human body shoulder of different-thickness, and this had both contributed to improve the adaptability of equipment, also contributed to improve imaging effect.
Brief description of the drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 illustrates a kind of shoulder coil structure of routine.
Fig. 2 illustrates the fixation kit of shoulder coil and the assembled state figure of movable component of one embodiment of the invention.
Fig. 3 illustrates the fixation kit of shoulder coil and the decomposing state figure of movable component of one embodiment of the invention.
Fig. 4 illustrates the exploded view of the fixation kit of the shoulder coil of one embodiment of the invention.
Fig. 5 illustrates the partial schematic diagram of the fixation kit base of one embodiment of the invention, and it shows the rail plate on base.
Fig. 6 illustrates the partial schematic diagram of the fixation kit base of one embodiment of the invention, and it shows the concavo-convex muscle groove of waveform on base.
Fig. 7 illustrates the structural representation of the right sliding panel of the right sliding shoe of one embodiment of the invention, and it illustrates guide rail bar and the concavo-convex muscle groove of waveform on right sliding panel.
Fig. 8 illustrates that the guide rail bar of one embodiment of the invention coordinates schematic diagram with rail plate.
Fig. 9 illustrates that the concavo-convex muscle groove of one embodiment of the invention coordinates schematic diagram.
Figure 10 illustrates the exploded view of the movable component of the shoulder coil of one embodiment of the invention.
Figure 11 illustrates the slip control schematic diagram of the movable component of one embodiment of the invention.
Embodiment
Fig. 2 illustrates the fixation kit of shoulder coil and the assembled state figure of movable component of one embodiment of the invention.Fig. 3 illustrates the fixation kit of shoulder coil and the decomposing state figure of movable component of one embodiment of the invention.Shown in Fig. 2 and Fig. 3, the shoulder coil of the present embodiment comprises fixation kit 20 and movable component 40.Movable component 40 is connected with fixation kit 20.Preferably, this connection is to removably connect.For example Fig. 2, movable component 40 is connected with fixation kit with plug form.The advantage removably connecting is that the imaging of left and right shoulder shares a movable component 40, provides cost savings like this, has also simplified mechanism.But be appreciated that in other embodiments, movable component 40 also can use and be fixedly connected with fixation kit 20.
Fixation kit 20 can be lain on the back for human body, and movable component 40 can be aimed at the shoulder position of human body.In order to realize the adjusting of shoulder Width, movable component 40 is designed to be located at slidably on fixation kit 20, and its glide direction is consistent with human body shoulder Width.In the present embodiment, this slip is to rely on left sliding shoe 23 and right sliding shoe 24 on fixation kit 20 to realize.At this, left and right is all for the human body of lying on the back on fixation kit 20.Specifically, left sliding shoe 23(right side in the drawings) be positioned at the left side of fixation kit 20 and can slide along left and right directions, right sliding shoe 24(is left side in the drawings) be positioned at the left side of fixation kit 20 and can slide along left and right directions.In the time only using a movable component 40, movable component 40 is alternatively on a sliding shoe 23 or 24 located therein.Because movable component 40 and the connected mode of fixation kit 20 are selected pluggable mode.Like this, be respectively equipped with socket 25,26 on left sliding shoe 23 and right sliding shoe 24, movable component 40 is inserted on left sliding shoe 23 or right sliding shoe 24 by socket 25,26.
On the other hand, movable component 40 can further comprise a support column 41 and a coil portion 42.Support column 41 in vertical state, in order in the time being connected with fixation kit 20, inserts left sliding shoe 23 or right sliding shoe 24.Coil portion 42 comprises the required coil unit of magnetic resonance imaging.Coil portion 42 is located on support column 41 slidably, and the glide direction of coil portion 42 is consistent with human body shoulder thickness direction.Like this, in the time that coil portion 42 covers human body shoulder, can regulate according to human body shoulder thickness, thereby more fit shoulder.Such adjusting makes shoulder coil have larger adaptability.The more important thing is, the laminating of coil portion and shoulder can improve imaging effect.
More details and the feature of the shoulder coil of the embodiment of the present invention are described below.Be appreciated that these details and feature are for example purposes only, not in order to limit the scope of the invention.
Fig. 4 illustrates the exploded view of the fixation kit of the shoulder coil of one embodiment of the invention.With reference to Fig. 4 and in conjunction with shown in Fig. 3, fixation kit 20 comprises a base 21, a cover plate 22, aforesaid left sliding shoe 23, right sliding shoe 24 and left socket 25, right socket 26.Base 21 and cover plate 22 can mutually combine, and form complete fixation kit 20 shells.Left sliding shoe 23, right sliding shoe 24 parts are positioned at fixation kit 20, and part is exposed to fixation kit 20 surfaces.
Right sliding shoe 24 further comprises right sliding panel 24a and base plate 24b.Base plate 24b is incorporated into right sliding panel 24a and becomes the bottom of right sliding shoe 24.Between base plate 24b and right sliding panel 24a, for example can be screwed.
Right socket 26 comprises drain pan 26a, rotating shaft 26b, renovates 26c and joint 26e.Drain pan 26a is incorporated into right sliding panel 24a.In one embodiment, drain pan 26a and right sliding panel 24a the two can be integrally formed.Joint 26e is located in drain pan 26a, and can be fixed by screw, for providing and being electrically connected of movable component 40.Renovate 26c by rotating shaft 26b turning to be located at drain pan 26a upper, in order to cover drain pan 26a in the time not using, protection joint 26e.
Renovate 26b and preferably there is a jacking part 26d.This jacking part 26d in the time renovating 26b and translate into vertical position (or more wide-angle) roughly in horizontal direction.Like this, when movable component 40 inserts right socket 26, jacking part 26d is still positioned at right socket 26.When needs are extracted movable component 40 from right socket 26, outwards flip 26b, now jacking part 26d can be with renovating the outside upset of 26b by movable component 40 jack-up.
The base plate 24b of right sliding shoe 24 and the base 21 of fixation kit 20 are relative slidings.Specifically, on base 21, there is rail plate 21a, as shown in Figure 5.Correspondingly, shown in Fig. 7, the base plate 24b of right sliding shoe 24 has guide rail bar 24c.Guide rail bar 24c and rail plate 21a coordinate.Like this, can allow base plate 24b slide by track, ensure the stability of sliding.Fig. 8 illustrates that the guide rail bar of one embodiment of the invention coordinates schematic diagram with rail plate.
In addition, shown in Fig. 6, also can be provided with the concavo-convex muscle groove of first wave shape wave 21b on base 21, its length is approximately 60mm.Correspondingly, shown in Fig. 7, the base plate 24b of right sliding shoe 24 has the concavo-convex muscle groove of Second Wave shape wave 24d, and its length is approximately 10mm.First wave shape wave concavo-convex muscle groove 21b and the concavo-convex muscle groove of Second Wave shape wave 24d cooperatively interact.And base plate 24b selects resilient material, for example plastics are as material.Utilize plastics to have this feature of certain elastic deformation, make the concavo-convex muscle groove of Second Wave shape wave 24d there is elasticity.First wave shape wave concavo-convex muscle groove 21b and the concavo-convex muscle groove of Second Wave shape wave 24b can have respectively fixing muscle separation, for example 5mm.Like this, utilize cooperatively interacting of concavo-convex muscle groove to realize the gear control of constant spacing.Specifically, when the strength advancing in sliding process acquires a certain degree, the cooperation of concavo-convex muscle groove is broken, thereby pushes ahead the cooperation that a gear enters next concavo-convex muscle groove.According to this feature, can reach the effect that gear of 5mm slides, and maximum sliding distance is 55mm.Fig. 9 illustrates that the concavo-convex muscle groove of one embodiment of the invention coordinates schematic diagram.
Be similar to right sliding shoe 24, left sliding shoe 23 further comprises left sliding panel 23a and base plate 23b, and its concrete structure no longer launches to describe.
Be similar to right socket 26, left socket 25 comprises drain pan 25a, rotating shaft 25b, renovates 25c, ejection part 25d and joint 25e, and its concrete structure no longer launches to describe.
Figure 10 illustrates the exploded view of the movable component of the shoulder coil of one embodiment of the invention.Shown in Figure 10, movable component 40 comprises support column 41 and coil portion 42.Support column 41 comprises the main body 41a and the cover plate 41b that mutually combine.Coil portion 42 has the shell 42a and the inner casing 42c that mutually combine.Between inner casing 42c and shell 42a, for example can be screwed.Inner casing 42c is used for covering human body shoulder.Within inner casing 42c, also can be provided with inner casing liner 42d, for increasing with the comfort level of human body shoulder laminating.Between inner casing liner 42d and inner casing 42c, be connected with magic tape.
Can relative sliding between shell 42a and support column 41.On shell 42a, there is convex tendon, fluted on support column 41.Can make shell 42a and support column 41 relative motions coordinating between convex tendon and groove is rectilinear motion.And spacing by fixed pin makes relative motion between shell and support column in certain distance.
Figure 11 illustrates the slip control schematic diagram of the movable component of one embodiment of the invention.In conjunction with reference to shown in Figure 10, Figure 11, on shell 42a, be provided with a pair of connecting link 44.The middle part of connecting link 44 is fixed on a bearing pin 45, and one end of connecting link 44 is connected with the button 43 that exposes to shell 42a.Connected mode is for example to pass through bearing pin.
The other end of connecting link 44 has outside ratchet 44a.Correspondingly, the inside surface of the main body 41a of support column 41 has tooth bar 41c.Ratchet 44a coordinates with tooth bar 41c normally.The mating reaction of this normality can strengthen because of the pressure force of stage clip 46 of the other end that is resisted against extension bar 44.Therefore under normal circumstances, coil portion 42 can not slide with respect to support column 41.
Shell 42a top junction unification cover plate of outer casing 42b, by the common restriction of cover plate of outer casing 42b and shell 42a, button 43 opposite shell 42a make horizontal rectilinear motion, and move distance is for example 6mm.This leverage that moves through connecting link 44 is delivered to the other end of connecting link 44.Like this, in the time that button 43 is inwardly pressed, the ratchet 44a of connecting link 44 can separate with the tooth bar 41c of support column 41.Now, coil portion 42 can slide with respect to support column 41.The tooth pitch of ratchet 44a and tooth bar 41c is set, and can make has a fixed range, the gear of for example 5mm between the two.
Therefore in the time that shell 42a need to move downward, as long as shell 42a is pushed away, can realize slip downwards.In the time that shell 42a need to move upward, need to pin button 43, now ratchet 44a separates with tooth bar 41c, can realize slip.This relative sliding is to slide by gear of 5mm, and maximum sliding distance is 70mm.
In addition, movable component 40 also has cable 47 and plug 48, to realize required connection.
Although the quantity of button 43, connecting link 44, bearing pin 45 and stage clip 46 is 2 in the above-described embodiments, can connect, in order to realize the control of slip, can only there be a button 43, connecting link 44, bearing pin 45 and stage clip 46.
The described shoulder coil of the above embodiment of the present invention can be used in MR imaging apparatus, compared with existing shoulder coil, the shoulder coil of the embodiment of the present invention can be applicable to the crowd of different shoulder thickness (shoulder thickness 170mm-250mm) and different shoulder width, and can make coil fit tightly shoulder, improve imaging effect.
Although the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, in the situation that not departing from spirit of the present invention, also can make variation or the replacement of various equivalences, therefore, as long as the variation to above-described embodiment, modification all will drop in the application's the scope of claims within the scope of connotation of the present invention.
Claims (11)
1. the shoulder coil for MR imaging apparatus, comprise fixation kit and movable component, described movable component is located on described fixation kit slidably, and the glide direction of described movable component is consistent with human body shoulder Width, it is characterized in that, described movable component comprises a support column and a coil portion, and described coil portion is located on described support column slidably, and the glide direction of described coil portion is consistent with human body shoulder thickness direction.
2. shoulder coil as claimed in claim 1, is characterized in that, described fixation kit has a left sliding shoe and a right sliding shoe, and described movable component is located on described left sliding shoe or described right sliding shoe alternatively.
3. shoulder coil as claimed in claim 2, is characterized in that, on described left sliding shoe and described right sliding shoe, has respectively a socket, and described movable component is inserted on described left sliding shoe or described right sliding shoe by described socket.
4. shoulder coil as claimed in claim 3, is characterized in that, on described socket, has and renovates.
5. shoulder coil as claimed in claim 4, it is characterized in that, described renovating with rotating shaft is located on described left sliding shoe and described right sliding shoe, and described in renovate and there is a jacking part, described jacking part is still positioned at described socket in the time that described movable component inserts described socket, and renovates outside upset and by described movable component jack-up with described.
6. shoulder coil as claimed in claim 2, it is characterized in that, described fixation kit has a base, on described base, there is rail plate, the bottom of described left sliding shoe and described right sliding shoe has respectively guide rail bar, described left sliding shoe and described right sliding shoe are located on described base, and described guide rail bar and the cooperation of described rail plate.
7. shoulder coil as claimed in claim 6, it is characterized in that, on described base, there is the concavo-convex muscle groove of first wave shape wave, described left sliding shoe and described right sliding shoe bottom have the concavo-convex muscle groove of Second Wave shape wave, and the concavo-convex muscle groove of described first wave shape wave and the concavo-convex muscle groove of described Second Wave shape wave cooperatively interact.
8. shoulder coil as claimed in claim 7, is characterized in that, the concavo-convex muscle groove of described first wave shape wave and the concavo-convex muscle groove of described Second Wave shape wave have respectively fixing muscle separation.
9. shoulder coil as claimed in claim 1, it is characterized in that, described coil portion has the shell and the inner casing that mutually combine, described inner casing is used for covering human body shoulder, described shell is provided with connecting link, the middle part of described connecting link is fixed on a bearing pin, one end of described connecting link is connected with a button, the other end of described connecting link has outside ratchet, the inside surface of described support column has tooth bar, described ratchet coordinates with described tooth bar normally, and in the time that described button is pressed, described ratchet separates with described tooth bar.
10. shoulder coil as claimed in claim 9, is characterized in that, also has stage clip in described shell, is resisted against the described other end of described connecting link, so that described ratchet is pressed on described tooth bar normally.
11. shoulder coils as claimed in claim 9, is characterized in that, the quantity of described connecting link is 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310022635.7A CN103941202B (en) | 2013-01-22 | 2013-01-22 | Shoulder coil for MR imaging apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310022635.7A CN103941202B (en) | 2013-01-22 | 2013-01-22 | Shoulder coil for MR imaging apparatus |
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| CN103941202A true CN103941202A (en) | 2014-07-23 |
| CN103941202B CN103941202B (en) | 2018-02-27 |
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| CN109620230A (en) * | 2019-01-23 | 2019-04-16 | 四川瑞迪医疗科技有限公司 | Magnetic resonance neck fixes device |
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Address after: 201807 2258 Chengbei Road, Jiading District, Shanghai Patentee after: Shanghai Lianying Medical Technology Co.,Ltd. Address before: 201815 No. 1180 Xingxian Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee before: Shanghai Lianying Medical Technology Co.,Ltd. |