Coil device applicable to magnetic resonance imaging of whole body of infant

Abstract

The utility model discloses a coil device suitable for magnetic resonance imaging of the whole body of an infant, which comprises a base and a coil assembly, a bed board for placing the infant is arranged on the base, the coil assembly is sleeved on the periphery of the bed board, and the coil assembly is in sliding clearance fit with the bed board; the coil assembly comprises a lower shell and an upper shell, coil units are arranged in the lower shell and the upper shell respectively, the lower shell is connected with the base in a sliding and limiting mode, the upper shell is connected with the lower shell in an opening and closing mode, and an examination channel for a baby to pass through is formed in the middle of the upper shell and the middle of the lower shell. And a locking structure for locking the lower shell and the base is arranged on the lower shell. The lower shell is pushed to slide on the base, so that the coil assembly is aligned with all body parts of a baby lying on the bed board, the use requirement for whole-body magnetic resonance examination of the baby is met, the problems that adjustment is strenuous and the pushing is prone to being stuck are solved, and the operation difficulty is lowered.

Description

TECHNICAL FIELD

[0001] The utility model relates to a magnetic resonance imaging system technical field, concretely relates to a coil device capable of applying to whole body magnetic resonance imaging of baby. BACKGROUND

[0002] In the process of medical clinical treatment, often need to carry out magnetic resonance examination to baby, and the baby's characteristics are not to move the body autonomously. When checking, adult needs to place baby lying on the magnetic resonance examination bed, makes the body part of the baby to be checked and the magnetic resonance coil alignment, when needing to check the different body parts of baby, the traditional mode needs adult to hold up baby again adjust the body position of baby and place it on the examination bed again to check other body parts. This needs to hold up baby again and put down many times, not only brings trouble to adult, but also baby is easy to appear the situation of crying after being held up again and put down many times, brings trouble to magnetic resonance examination.

[0003] Therefore, a device for aligning the different body parts of baby with the magnetic resonance coil by pushing the examination bed appears in the market, for example: the premature infant magnetic resonance imaging sickbed disclosed by CN215078490U. This kind of mode adjusts the alignment of baby and magnetic resonance coil by pushing the bed body during examination, so as to realize the purpose of magnetic resonance examination on each part of baby's body. In actual use process, because baby lies on the examination bed, there is weight when pushing the examination bed, so the process of pushing the examination bed is relatively laborious. Because baby lies on the examination bed, the resistance of pushing is relatively large, so the wear of pushing is relatively large, which leads to the easy occurrence of jamming failure. Therefore, the coil device capable of realizing whole body magnetic resonance examination of baby has the problems of difficult operation and short service life. SUMMARY

[0004] In order to solve the problems in the prior art, the utility model provides a coil device capable of applying to whole body magnetic resonance imaging of baby, which comprises a base and a coil assembly. The base is provided with a bed plate for placing baby. The coil assembly is sleeved on the periphery of the bed plate and is in sliding clearance fit with the bed plate. The coil assembly comprises a lower shell and an upper shell. The lower shell and the upper shell are respectively provided with a coil unit. The lower shell is in slidable limiting connection with the base. The upper shell is in openable and closable connection with the lower shell. The middle position of the upper shell and the lower shell forms an examination channel for baby to pass through. The lower shell is provided with a locking structure for locking the lower shell and the base.

[0005] As a further improvement of the utility model, the base is provided with a guide sliding groove, and the lower shell is provided with a guide block. The guide block is in sliding clamping connection with the guide sliding groove.

[0006] As a further improvement of the utility model, the number of the guide sliding grooves is two, and the two guide sliding grooves are parallel to each other.

[0007] As a further improvement of the utility model, the locking structure comprises a locking block, the locking block is in sliding connection with the lower shell, one end of the locking block passes through the guide sliding groove, and the end of the locking block passing through the guide sliding groove is provided with an abutting block; the lower shell is provided with a rotatable cam, the cam can push the locking block to slide in the lower shell, thereby driving the abutting block to abut and fix with the base.

[0008] As a further improvement of the utility model, the lower shell is provided with an elastic member, two ends of the elastic member are connected with the lower shell and the locking block respectively, and the elastic member is used to push the locking block to descend.

[0009] As a further improvement of the utility model, the end face of the abutting block close to the base is provided with a wear-resistant block, and the wear-resistant block can abut with the base.

[0010] As a further improvement of the utility model, the lower shell is provided with a rotatable driving shaft, the cam is sleeved on the driving shaft, and one end of the driving shaft protruding out of the lower shell is provided with an operating rod.

[0011] As a further improvement of the utility model, the outer side wall of the lower shell is provided with an indication mark, the lower shell is provided with a plurality of marbles at positions corresponding to two ends of the indication mark respectively, the operating rod is provided with a clamping groove, and the clamping groove can be clamped with the marbles.

[0012] As a further improvement of the utility model, the lower end face of the upper shell is provided with a plurality of positioning columns, the upper end face of the lower shell is provided with a plurality of positioning holes at positions corresponding to the positioning columns respectively, and the positioning columns and the corresponding positioning holes are detachably inserted.

[0013] As a further improvement of the utility model, a plurality of hollow grooves are arranged on the upper shell.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The lower shell and the base are slidably connected, the coil assembly can be aligned with each body part of the baby lying on the bed plate by sliding the lower shell on the base, and the use requirement of the whole body magnetic resonance examination of the baby is met. Because the baby is lying on the bed plate, the lower shell is not heavy when being pushed, the problems of laboring adjustment and easy jamming failure are solved, the operation difficulty is reduced, and the service life is improved. During specific examination, the baby is placed on the bed plate, the upper shell and the lower shell are covered, then the coil assembly is aligned with the part to be examined of the baby by sliding the lower shell on the base, then the lower shell is fixed on the base by operating the locking structure, and then the magnetic resonance imaging examination of the baby is performed. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0017] Figure 1 It is a whole structure schematic diagram of the embodiment of the present application.

[0018] Figure 2 It is an exploded structure schematic diagram of the embodiment of the present application.

[0019] Figure 3 It is a top view structure schematic diagram of the embodiment of the present application.

[0020] Figure 4 It is Figure 3 A-A section structure schematic diagram in the embodiment of the present application.

[0021] Figure 5 It is Figure 4 The enlarged structure schematic diagram of C part in the embodiment of the present application.

[0022] Figure 6 It is Figure 3 B-B section structure schematic diagram in the embodiment of the present application. DETAILED DESCRIPTION

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the meaning and definition of the terms used in the specification herein should be understood as not being limited only to the meaning of the terms in the patent application and prior art, unless otherwise defined. The terminology used in the specification of the application and the claims herein and in the above description of the drawings should be understood not to be limiting, but for the purpose of describing specific embodiments of the application. The terms "comprise", "comprising", "have", "having", "include", "including" and any variations thereof in the specification and in the claims herein are intended to cover a non-exclusive inclusion. The terms "first", "second", and the like in the specification and claims herein are used for distinguishing between similar objects and not necessarily for describing a specific sequential or chronological order. These terms are interchangeable under appropriate circumstances.

[0024] The phrase "embodiment" is mentioned in the present application means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the present application. The phrase appears at various places in the specification does not necessarily refer to the same embodiment, nor is it mutually exclusive, independent or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present application can be combined with other embodiments.

[0025] In order to make those skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely in conjunction with the drawings.

[0026] As shown in Figures 1-6 A coil device capable of applying whole body magnetic resonance imaging to an infant, comprising a base 1 and a coil assembly, the base 1 is provided with a bed plate 2 for placing the infant, the coil assembly is sleeved on the periphery of the bed plate 2, and the coil assembly and the bed plate 2 are in sliding clearance fit; during examination, the infant is placed on the bed plate 2, and the coil assembly can be pushed to slide on the base 1, so that the coil assembly is opposite to different parts of the infant, so as to realize the purpose of magnetic resonance imaging examination of different body parts of the infant.

[0027] The coil assembly comprises a lower shell 3 and an upper shell 4, and the coil units are arranged on the lower shell 3 and the upper shell 4 respectively, and the coil units are connected with the control center of the magnetic resonance imaging system through the circuit board; during the examination, the image information of the body part of the baby to be examined can be obtained through the coil unit, and the image information is fed back to the control center of the magnetic resonance imaging system through the circuit board. The lower shell 3 is slidably connected with the base 1, the upper shell 4 is hingedly connected with the lower shell 3, and the middle position of the upper shell 4 and the lower shell 3 forms an examination channel 5 for the baby to pass through, and the lower shell 3 is provided with a locking structure for locking the lower shell 3 and the base 1. During the examination, the upper shell 4 is first removed from the lower shell 3, then the baby is placed on the bed plate 2, and then the upper shell 4 and the lower shell 3 are closed, and the baby can be examined by magnetic resonance imaging through the coil unit. Under normal circumstances, the locking structure is fixedly locked with the base 1, so that the lower shell 3 is connected and fixed with the base 1; if it is necessary to adjust the alignment of the coil assembly with different body parts of the baby, the locking structure can be operated to separate it from the base 1, and then the lower shell 3 is pushed to slide on the base 1 until the coil assembly is aligned with the body part of the baby to be examined, and then the locking structure is operated to lock with the base 1, so that the coil assembly is fixed on the base 1, and then the magnetic resonance imaging examination is carried out.

[0028] The coil device can align the coil assembly with different body parts of the baby lying on the bed plate 2 by pushing the lower shell 3 to slide on the base 1, so that it can be applied to the use requirement of magnetic resonance imaging examination of each part of the baby's body; because the baby is lying on the bed plate 2, pushing the lower shell 3 will not have much weight, solving the problems of laborious adjustment and easy jamming failure when pushing, reducing the operation difficulty and improving the service life.

[0029] In order to limit and guide the sliding direction of the lower shell 3 on the base 1, two parallel guide sliding grooves 101 are arranged on the base 1, and guide blocks 31 are arranged at the corresponding positions of the lower shell 3 respectively, and the guide blocks 31 are slidably connected with the corresponding guide sliding grooves 101. The cooperation of the guide blocks 31 and the guide sliding grooves 101 can limit and guide the sliding direction of the lower shell 3, improving the stability and precision of the operation. Two guide sliding grooves 101 are arranged to improve the stability of sliding; in other embodiments, the guide sliding grooves 101 can also be any number.

[0030] The locking structure comprises a locking block 6, which is in sliding connection with the lower shell 3. One end of the locking block 6 penetrates a guide sliding slot 101, and the end of the locking block 6 penetrating the guide sliding slot 101 is provided with an abutting block 7. The lower shell 3 is provided with a rotatable cam 8, which can push the locking block 6 to slide in the lower shell 3, thereby driving the abutting block 7 to abut and fix with the base 1. Normally, the cam 8 abuts with the locking block 6, and the locking block 6 drives the abutting block 7 to abut with the base 1, so as to connect and fix the lower shell 3 with the base 1. When adjustment is needed, the cam 8 is rotated to separate the cam 8 from the locking block 6, and then the locking block 6 drives the abutting block 7 to separate from the base 1. At this time, the lower shell 3 can be pushed to slide along the direction of the guide sliding slot 101. After adjustment, the cam 8 is reversely rotated, the cam 8 pushes the locking block 6 to rise in the lower shell 3, the locking block 6 drives the abutting block 7 to move synchronously, and the abutting block 7 is finally abutted and fixed with the base 1.

[0031] In order to smoothly separate the abutting block 7 from the base 1, an elastic member 9 is arranged in the lower shell 3. The two ends of the elastic member 9 are connected with the lower shell 3 and the locking block 6 respectively, and the elastic member 9 is used to push the locking block 6 to descend, thereby driving the abutting block 7 to separate from the base 1. Normally, the cam 8 abuts with the locking block 6, and at this time the locking block 6 compresses the elastic member 9, so that the elastic member 9 accumulates elastic potential energy. When adjustment is needed, the cam 8 is rotated to separate the cam 8 from the locking block 6, and then under the action of the elastic force of the elastic member 9, the locking block 6 is pushed to descend, thereby driving the abutting block 7 to descend and separate from the base 1. At this time, the lower shell 3 can be easily pushed to slide. After adjustment, the cam 8 is reversely rotated, the cam 8 pushes the locking block 6 to rise, the locking block 6 compresses the elastic member 9 to accumulate elastic potential energy again, and at the same time the locking block 6 drives the abutting block 7 to abut and fix with the base 1, so as to connect and fix the lower shell 3 with the base 1.

[0032] In the embodiment, the elastic member 9 is a spiral metal spring, and two elastic members 9 are arranged on each locking block 6. In other embodiments, the elastic member 9 can also be other elastic devices, and the number thereof can also be other arbitrary numbers.

[0033] In order to reduce the abrasion of the abutting block 7, a wear-resistant block 10 is arranged on the end face of the abutting block 7 close to the base 1. When the cam 8 abuts and fixes with the locking block 6, the wear-resistant block 10 abuts and fixes with the end face of the base 1. By arranging the wear-resistant block 10, the abrasion of the abutting block 7 with the base 1 can be reduced, thereby prolonging the service life.

[0034] For the convenience of operation, the lower shell 3 is provided with a rotatable driving shaft 11, the cam 8 is sleeved on the driving shaft 11, and the end of the driving shaft 11 extending out of the lower shell 3 is provided with an operating rod 12. When it is needed to adjust the sliding of the coil assembly on the base 1, the operating rod 12 can be pulled to rotate and swing, the driving shaft 11 is driven to rotate, the driving shaft 11 drives the cam 8 to rotate, so that the cam 8 is separated from the locking block 6; after adjustment, the operating rod 12 can be pushed to rotate reversely, the driving shaft 11 and the cam 8 are synchronously and reversely rotated, and the wear-resistant block 10 abuts against the end surface of the base 1.

[0035] In the embodiment, the lower shell 3 is provided with an indication mark 13 on the outer side wall, the indication mark 13 is used for reminding the user; the user can quickly realize the locking or opening of the lower shell 3 along the indication direction of the indication mark 13, so as to realize the purpose of quickly adjusting the coil assembly.

[0036] In order to limit the rotation stroke of the operating rod 12, the lower shell 3 is provided with a ball 14 at a position corresponding to the two ends of the indication mark 13, and the operating rod 12 is provided with a clamping groove (not shown in the figure), which can be clamped with the ball 14. Under normal circumstances, the clamping groove is clamped with the ball 14 at the locking end of the indication mark 13; when it is needed to adjust, the user can pull the operating rod 12 to rotate and swing, when the clamping groove is aligned with the ball 14 on the other side, the ball 14 is clamped into the clamping groove of the operating rod 12, and a "click" sound is emitted at the same time, at this time, the cam 8 has been separated from the locking block 6, and the abutting block 7 is also separated from the base 1 under the pushing of the elastic member 9, and then the lower shell 3 can be pushed to slide on the base 1. When the adjustment is to the appropriate position, the operating rod 12 is pulled to rotate reversely, when the clamping groove is aligned with the ball 14 at the locking end of the indication mark 13 again, the ball 14 is clamped into the clamping groove of the operating rod 12, and a "click" sound is emitted at the same time, at this time, the cam 8 abuts against the locking block 6, and the abutting block 7 is fixed to the base 1, so that the lower shell 3 is connected and fixed to the base 1 again.

[0037] Through the cooperation of the ball 14 and the clamping groove, the user can judge whether the lower shell 3 is locked or opened through the sense of touch and hearing, so that the operation is more convenient and fast, and the user's use satisfaction can be improved.

[0038] In order to enable the upper shell 4 to be quickly covered with the lower shell 3, a plurality of positioning columns 15 are arranged on the lower end surface of the upper shell 4, and a plurality of positioning holes 16 are arranged at positions corresponding to the positioning columns 15 on the upper end surface of the lower shell 3, and the positioning columns 15 and the corresponding positioning holes 16 are detachably inserted. In the process of covering the upper shell 4 to the lower shell 3, the positioning columns 15 and the corresponding positioning holes 16 are aligned, so that the positioning columns 15 are inserted into the corresponding positioning holes 16, so that the upper shell 4 and the lower shell 3 can be quickly covered; at the same time, the stability of the covering of the upper shell 4 and the lower shell 3 can be improved through the cooperation of the positioning columns 15 and the positioning holes 16.

[0039] A plurality of hollow grooves 17 are arranged on the upper shell 4 in an array, and the plurality of hollow grooves 17 are arranged to facilitate the checking of the external environment when the baby is checked, so that the checking channel 5 is no longer a closed space, and the comfort of the baby during the checking can be improved.

[0040] The above specific embodiment is a preferred embodiment of the utility model, and is not used to limit the specific implementation range of the utility model. The range of the utility model includes but is not limited to the specific embodiment, and equivalent changes made according to the utility model are within the protection range of the utility model.

Claims

1. A coil arrangement capable of whole body magnetic resonance imaging of an infant, characterized by: The application relates to a baby bed, which comprises a base and a coil assembly, the base is provided with a bed plate for placing a baby, the coil assembly is sleeved on the periphery of the bed plate, and the coil assembly is in sliding clearance fit with the bed plate. The coil assembly comprises a lower shell and an upper shell, the lower shell and the upper shell are respectively provided with coil units, the lower shell is in slidable and limited connection with the base, the upper shell is in openable and closable connection with the lower shell, the middle position of the upper shell and the lower shell forms an examination channel for the baby to pass through, and the lower shell is provided with a locking structure for locking the lower shell and the base.

2. The coil apparatus capable of adapting for whole-body magnetic resonance imaging of an infant of claim 1, wherein: The lower shell is provided with a guide block, and the guide block is in sliding clamping connection with the guide sliding groove.

3. The coil arrangement capable of adapting for whole-body magnetic resonance imaging of an infant of claim 2, wherein: The number of the guide sliding grooves is two, and the two guide sliding grooves are parallel to each other.

4. The coil apparatus capable of adapting for whole-body magnetic resonance imaging of an infant of claim 2, wherein: The locking structure comprises a locking block, the locking block is in sliding connection with the lower shell, one end of the locking block passes through the guide sliding groove, and the end of the locking block passing through the guide sliding groove is provided with an abutting block. The lower shell is provided with a rotatable cam, the cam can push the locking block to slide in the lower shell, so as to drive the abutting block to abut and fix with the base.

5. The coil arrangement capable of adapting for whole-body magnetic resonance imaging of an infant of claim 4, wherein: The lower shell is provided with an elastic member, two ends of the elastic member are connected with the lower shell and the locking block respectively, and the elastic member is used for pushing the locking block to descend.

6. The coil apparatus capable of adapting for whole-body magnetic resonance imaging of an infant of claim 4, wherein: The end face of the abutting block close to the base is provided with a wear-resistant block, and the wear-resistant block can abut with the base.

7. The coil apparatus capable of adapting for whole-body magnetic resonance imaging of an infant of claim 4, wherein: The lower shell is provided with a rotatable driving shaft, the cam is sleeved on the driving shaft, and one end of the driving shaft extending out of the lower shell is provided with an operating rod.

8. The coil arrangement capable of adapting for whole-body magnetic resonance imaging of an infant of claim 7, wherein: The outer side wall of the lower shell is provided with an indication mark, the lower shell is provided with a plurality of elastic balls at positions corresponding to the two ends of the indication mark, the operating rod is provided with a clamping groove, and the clamping groove can be clamped with the elastic balls.

9. The coil arrangement enabling whole-body magnetic resonance imaging of an infant according to any one of claims 1-8, characterized in that: The lower end face of the upper shell is provided with a plurality of positioning columns, the upper end face of the lower shell is provided with a plurality of positioning holes at positions corresponding to the positioning columns respectively, and the positioning columns and the corresponding positioning holes are detachably inserted.

10. The coil arrangement capable of adapting for whole-body magnetic resonance imaging of an infant of claim 9, wherein: The upper shell is provided with a plurality of hollow grooves arranged in an array.

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