CN203385840U - Local coil apparatus for magnetic resonance imaging of neck, shoulders and upper limbs - Google Patents
Local coil apparatus for magnetic resonance imaging of neck, shoulders and upper limbs Download PDFInfo
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- CN203385840U CN203385840U CN201320194987.6U CN201320194987U CN203385840U CN 203385840 U CN203385840 U CN 203385840U CN 201320194987 U CN201320194987 U CN 201320194987U CN 203385840 U CN203385840 U CN 203385840U
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Abstract
The utility model relates to a local coil apparatus for magnetic resonance imaging of the neck, shoulders and upper limbs. The local coil apparatus comprises a flexible housing and a coil portion; the flexible housing is divided into a neck area, a left shoulder area, a right shoulder area, a left upper limb area and a right upper limb area; the coin portion comprises at least five groups of coin units, the first coin unit is a neck coin unit, the second coin unit and the third coin unit are respectively a left shoulder coin unit and a right shoulder coin unit, and the fourth coin unit and the five coin unit are respectively a left upper limb coin unit and a right upper limb coin unit; and the flexible housing and the coil portion are designed in integration so as to cover the neck, the shoulders and the upper limbs of the human body. The local coil apparatus can be easily and rapidly put on the body of a patient, the patient feels comfortable, and the efficiency of examination is raised; and the local coil apparatus is particularly suitable for magnetic resonance parallel imaging examination of cervical plexus, brachial plexus and peripheral nerve of the upper limbs in a clinic.
Description
Technical field
The utility model relates to magnetic resonance imaging system, be particularly related to a kind of local coil device for neck and shoulder part and upper limbs magnetic resonance imaging, this local coil device in clinical for cervical plexus and the brachial plexus nerve of neck and shoulder part, and the perineural magnetic resonant imaging examination of upper limbs.
Background technology
In medical magnetic resonance imaging system (MRI) equipment, generally include and produce the superconducting magnet of stablizing main field and gradient coil and the various radio-frequency unit (hereinafter referred to radio-frequency coil) that produces gradient magnetic.Superconducting magnet and gradient coil generally are designed to cylindric around the arranged concentric of patient's acquisition cavity, and it for good and all is arranged in magnetic resonance scanner, to produce gradient magnetic.Radio-frequency coil for transmission and received RF pulse so that the excimer daughter nucleus, with the radiation magnetic resonance signal and/or for the magnetic resonance signal that brought out of collection, produces magnetic resonance image (MRI) on the basis of these magnetic resonance signals.In order to improve the signal to noise ratio (S/N ratio) in magnetic resonance imaging (MRI), nowadays many MRI systems are used local coil, and local coil is placed in close by the location be imaged, as receiving antenna.For the many portion structures of health and check that purpose has the local coil of many special uses, for example, head coil, shoulder coil, wrist coil etc.
Along with the development of modern industry and communications and transportation, the incidence of disease of brachial plexus and peripheral nerve injuries of upper extremity increases year by year, and clinical prognosis is poor.At present need urgently clinically accurately to reflect the complete image of MRI clearly of this neuroid damage location, degree and scope, in order to formulate in time the diagnosis and treatment scheme.According to domestic prior art, nowadays have special neck coil and shoulder coil.For the inspection of upper limbs, can be positioned as close in order to make coil the corpse or other object for laboratory examination and chemical testing be imaged, adopt the flexible coil of wound form more.This requires after being positioned on inspecting stand by the patient, and the patient must move to its neck and shoulder in coil, or must be with respect to patient's moving coil, and then the upper limbs winding around that needs are checked.This allows the patient not feel well, for injured patient particularly difficulty, therefore, this is a quite time taking step in the real work flow process, and when checking cervical plexus, brachial plexus, upper limb nerve continuity and integrality, image quality is difficult to be guaranteed, and this is the main weak point of current neck and shoulder part and upper limbs coil design.
Therefore, imaging for neck, shoulder and upper limbs, still lack at present the local coil that neck, shoulder and upper limbs all can be included in, and the consideration based on economically (cost, sweep time, workflow), this local coil should be able to be placed on it the patient easily, quickly, make the patient feel comfortably cool, should be able to guarantee the complete and clear of imaging simultaneously.
The utility model content
For problems of the prior art, the utility model aims to provide a kind of local coil device that can carry out neck, shoulder and upper limbs magnetic resonance imaging, this local coil device can be placed on it the patient easily, quickly, make the patient feel comfortably cool, be specially adapted to clinical cervical plexus and brachial plexus nerve, and the perineural magnetic resonance parallel imaging inspection of upper limbs, can guarantee the complete and clear of imaging.
The purpose of this utility model is achieved through the following technical solutions:
A kind of local coil device for neck and shoulder part and upper limbs magnetic resonance imaging, comprise flexible shell and coiler part, described flexible shell is divided into neck area, the upper limbs zone on left side shoulder regions and right side shoulder regions and left side upper limbs zone and right side, described coiler part comprises at least five group coil units, wherein first group of coil unit is to be positioned at described neck area in order to gather the neck coil unit of the signal of neck, second group of coil unit is to be positioned at described left side shoulder regions in order to gather the shoulder coil unit, left side of the signal of left side shoulder, the 3rd group of coil unit is to be positioned at described right side shoulder regions in order to gather the shoulder coil unit, right side of the signal of right side shoulder, the 4th group of coil unit is to be positioned at upper limbs zone, described left side in order to gather the left side upper limbs coil unit of the signal of left side upper limbs, the 5th group of coil unit is to be positioned at upper limbs zone, described right side in order to gather the right side upper limbs coil unit of the signal of right side upper limbs, described flexible shell and described coiler part adopt the integral type design in order to coat the neck of human body, bilateral shoulder and upper limbs.
The purpose of this utility model can also further realize by following preferred technical scheme:
At the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging described in the utility model, described first group of coil unit is comprised of the many groups of coils that are symmetrical set at described neck area, wherein every group comprises two coils, and described two coils are symmetrical arranged before and after patient's neck is in use; Described second group of coil unit and the 3rd group of coil unit are comprised of one group of coil respectively, and one group of interior described coil is symmetrical arranged before and after shoulder is in use; Described the 4th group of coil unit and the 5th group of coil unit are comprised of two groups of coils respectively, wherein one group of coil is arranged on the upper arm of left side or right side upper limbs, other one group of coil is arranged on the forearm of described left side or right side upper limbs, in use, before and after being, two groups of coils that are arranged on respectively described upper arm and forearm are symmetrical arranged.
At the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging described in the utility model, the coil that described first group of coil unit is symmetrical set at described neck area by four quilts forms, and wherein outermost two coils are symmetrical arranged before and after being with the most inboard two coils in use; Described second group of coil unit and the 3rd group of coil unit are comprised of two coils respectively, and described two coils are symmetrical arranged before and after shoulder is in use; Described the 4th group of coil unit and the 5th group of coil unit are comprised of four coils respectively, wherein two coils are arranged on the upper arm of left side or right side upper limbs, two other coil is arranged on the forearm of described left side or right side upper limbs, in use, before and after being, two coils that are arranged on respectively described upper arm and forearm are symmetrical arranged.
At the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging described in the utility model, at the edge in described neck area, shoulder regions and the upper limbs zone of described flexible shell, be provided with described flexible shell is temporarily anchored to patient's stationary installation with it.
Preferably, described stationary installation is splicing tape, hasp, bandage or slide fastener etc.
At the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging described in the utility model, described coil is toroid winding or saddle coil.
At the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging described in the utility model, the signal that described local coil device can gather neck, left and right sides shoulder and upper limbs simultaneously is with complete imaging, or can gather separately the signal of different positions or part combination with local tomography.
At the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging described in the utility model, the size in the described neck area in described flexible shell, left side shoulder regions and right side shoulder regions and upper limbs zone, left side and upper limbs zone, right side is carried out design modifying according to subject's build.
Compared with the existing technology, the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging of the present utility model has following advantage:
1, the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging of the present utility model can be placed on it the patient easily, quickly, make the patient feel comfortably cool, improved the high efficiency checked, be specially adapted to clinical cervical plexus and brachial plexus nerve, and the perineural magnetic resonance parallel imaging inspection of upper limbs, can guarantee the complete and clear of imaging.
2, the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging of the present utility model can gather separately the signal of the different parts of neck, left and right sides shoulder and upper limbs or part combination with local tomography.
3, the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging of the present utility model can need to suitably be adjusted the shape of coil or the quantity of increase and decrease coil according to different parts and actual detection, as long as can guarantee, at neck, bilateral shoulder and upper limbs, realizes magnetic resonance parallel imaging.
The accompanying drawing explanation
The following drawings is only done and is schematically illustrated and explain the utility model, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of an embodiment of the present utility model when clinical practice.
Fig. 2 is the expansion schematic diagram of each coil unit of an embodiment of the present utility model.
Fig. 3 is the structural representation of another embodiment of the present utility model when clinical practice.
Fig. 4 is the expansion schematic diagram of each coil unit of another embodiment of the present utility model.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing embodiment of the present utility model is described.
As shown in Figure 1, a kind of local coil device for neck and shoulder part and upper limbs magnetic resonance imaging, comprise flexible shell 1 and coiler part 2, described flexible shell 1 is divided into neck area 11, the upper limbs zone 15 on left side shoulder regions 12 and right side shoulder regions 13 and left side upper limbs zone 14 and right side, described coiler part 2 comprises at least five group coil units, wherein first group of coil unit is to be positioned at described neck area in order to gather the neck coil unit 21 of the signal of neck, second group of coil unit is to be positioned at described left side shoulder regions 12 in order to gather the shoulder coil unit, left side 22 of the signal of left side shoulder, the 3rd group of coil unit is to be positioned at described right side shoulder regions 13 in order to gather the shoulder coil unit, right side 23 of the signal of right side shoulder, the 4th group of coil unit is to be positioned at upper limbs zone, described left side 14 in order to gather the left side upper limbs coil unit 24 of the signal of left side upper limbs, the 5th group of coil unit is to be positioned at upper limbs zone 15, described right side in order to gather the right side upper limbs coil unit 25 of the signal of right left side upper limbs, , described flexible shell and described coiler part adopt the integral type design in order to coat the neck of human body, bilateral shoulder and upper limbs.
As shown in Figure 2, described neck coil unit 21 is by four toroid winding (21a that are symmetrical set at described neck area 11,21b, 21c, 21d) form, during use, the two ends of the neck area of described flexible shell 1 hold neck by before backward respectively, in throat side, for example, by the stationary installation that is arranged on described neck area 1 edges at two ends (splicing tape can be used repeatedly, hasp, bandage or slide fastener), given temporary fixedly, wherein outermost two toroid windings (21c and 21d) are symmetrical before and after being with the most inboard two toroid windings (21a and 21b) respectively, shoulder coil unit, described left side 22 is comprised of two toroid windings (22a, 22b), during use, the top of the left side shoulder regions 12 of flexible shell 1 is by holding left shoulder before backward, the stationary installation (splicing tape for example can be used repeatedly, hasp, bandage or slide fastener) arranged by the edge in left side shoulder regions 12 in left armpit gives temporary fixed, makes two toroid windings (22a, 22b) symmetrical before and after the left side shoulder is, shoulder coil unit, described right side 23 is comprised of toroid winding (23a, 23b) respectively, during use, the top of the right side shoulder regions 13 of flexible shell 1 is by holding right shoulder before backward, the stationary installation (splicing tape for example can be used repeatedly, hasp, bandage or slide fastener) arranged by the edge in right side shoulder regions 13 in right armpit gives temporary fixed, makes two toroid windings (23a, 23b) symmetrical before and after the right side shoulder is, described left side upper limbs coil unit 24 is by four toroid winding (24a, 24b, 24c and 24d) form, wherein two toroid windings (24a and 24b) are arranged on the upper arm of left side upper limbs, two other toroid winding (24c and 24d) is arranged on the forearm of described left side upper limbs, in use, after upper limbs zone, left side 14 ecto-entads hold left upper extremity, stationary installation by the edge that is positioned at upper limbs zone, described left side 14 (for example lays respectively at upper arm, the splicing tape can be used repeatedly of ancon and forearm positions, hasp, bandage or slide fastener) give temporary fixed, after fixing, toroid winding (24a and 24b) is symmetrical arranged before and after being, before and after being, toroid winding (24c and 24d) is symmetrical arranged, described right side upper limbs coil unit 25 is by four toroid winding (25a, 25b, 25c and 25d) form, wherein two toroid windings (25a and 25b) are arranged on the upper arm of right side upper limbs, two other toroid winding (25c and 25d) is arranged on the forearm of described right side upper limbs, in use, after upper limbs zone, right side 15 ecto-entads of flexible shell 1 hold right upper extremity, stationary installation by the edge that is positioned at upper limbs zone, described right side 15 (for example lays respectively at upper arm, the splicing tape can be used repeatedly of ancon and forearm positions, hasp, bandage or slide fastener) give temporary fixed, after fixing, toroid winding (25a and 25b) is symmetrical arranged before and after being, before and after being, toroid winding (25c and 25d) is symmetrical arranged.
As shown in Figure 1, 2, by at regional, arranging coil, can realize that the signals collecting of neck, bilateral shoulder and upper limbs different parts is with parallel imaging, can select complete imaging, also can gather separately the signal of the different parts of neck, left and right sides shoulder and upper limbs or part combination with local tomography.And, the size of the flexible shell used in the utility model, and the size of coil can be carried out accommodation according to patient's build.
As shown in Figure 3 and Figure 4, described neck coil unit 21 is by four toroid winding (21a that are symmetrical set at described neck area 11,21b, 21c, 21d) form, during use, the two ends of the neck area of described flexible shell 1 hold neck by before backward respectively, in throat side, for example, by the stationary installation that is arranged on described neck area 1 edges at two ends (splicing tape, hasp, bandage or slide fastener), given temporary fixedly, wherein outermost two toroid windings (21c and 21d) are symmetrical before and after being with the most inboard two toroid windings (21a and 21b) respectively, shoulder coil unit, described left side 22 is saddle coil, during use, the top of the left side shoulder regions 12 of flexible shell 1 is by holding left shoulder before backward, the stationary installation (for example splicing tape, hasp, bandage or slide fastener) arranged by the edge in left side shoulder regions 12 in left armpit gives temporary fixed, makes former and later two parts 22a of saddle coil and 22b symmetrical before and after the left side shoulder is, shoulder coil unit, described right side 23 is respectively saddle coil, during use, the top of the right side shoulder regions 13 of flexible shell 1 is by holding right shoulder before backward, the stationary installation (for example splicing tape, hasp, bandage or slide fastener) arranged by the edge in right side shoulder regions 13 in right armpit gives temporary fixed, makes former and later two parts 23a of saddle coil and 23b symmetrical before and after the right side shoulder is, described left side upper limbs coil unit 24 is by four toroid winding (24a, 24b, 24c and 24d) form, wherein two toroid windings (24a and 24b) are arranged on the upper arm of left side upper limbs, two other toroid winding (24c and 24d) is arranged on the forearm of described left side upper limbs, in use, after upper limbs zone, left side 14 ecto-entads hold left upper extremity, for example, by the stationary installation at the edge that is positioned at upper limbs zone, described left side 14 (splicing tape, hasp, bandage or slide fastener) give temporary fixed, after fixing, toroid winding (24a and 24b) is symmetrical arranged before and after being, and toroid winding (24c and 24d) is symmetrical arranged before and after being, described right side upper limbs coil unit 25 is by four toroid winding (25a, 25b, 25c and 25d) form, wherein two toroid windings (25a and 25b) are arranged on the upper arm of right side upper limbs, two other toroid winding (25c and 25d) is arranged on the forearm of described right side upper limbs, in use, after upper limbs zone, right side 15 ecto-entads of flexible shell 1 hold right upper extremity, for example, by the stationary installation at the edge that is positioned at upper limbs zone, described right side 15 (splicing tape, hasp, bandage or slide fastener) give temporary fixed, after fixing, toroid winding (25a and 25b) is symmetrical arranged before and after being, and toroid winding (25c and 25d) is symmetrical arranged before and after being.
In imaging process, coil device of the present utility model is coated to neck, bilateral shoulder and the upper limbs of human body, can carry out scanning imagery to these positions simultaneously.Although only provided in the above-described embodiment the example of toroid winding and toroid winding and saddle coil combination, but can select the size of zones of different of flexible shell and the connected mode between zones of different according to the situation of sufferer, and can require to select in the zones of different in flexible shell according to the sharpness of imaging shape, size and the quantity of coil, as long as can guarantee, at neck, bilateral shoulder and upper limbs, realize magnetic resonance parallel imaging or select the zones of different local tomography.
Exciting and receiving all of radio-frequency (RF) magnetic field completed by radio-frequency coil.For receiving coil, it is vital improving conversion efficiency.In general, less coil and more close imaging object can obtain higher conversion efficiency.Coil device of the present utility model has met above-mentioned requirements, the shape of coil unit of the present utility model and size can be selected optimum combination according to patient's situation, and neck, bilateral shoulder and the upper limbs of the covering human body that integrated flexible local coils energy of the present utility model is complete, have homogeneity and higher conversion efficiency preferably, image quality is better.
Above listed a series of detailed description is only to implement illustrating of example for feasibility of the present utility model; they are not in order to limit protection domain of the present utility model, allly do not break away from equivalence that the utility model skill spirit does and implement within example or change all should be included in protection domain of the present utility model.
Claims (8)
1. the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging, comprise flexible shell and coiler part, described flexible shell is divided into neck area, the upper limbs zone on left side shoulder regions and right side shoulder regions and left side upper limbs zone and right side, described coiler part comprises at least five group coil units, wherein first group of coil unit is to be positioned at described neck area in order to gather the neck coil unit of the signal of neck, second group of coil unit is to be positioned at described left side shoulder regions in order to gather the shoulder coil unit, left side of the signal of left side shoulder, the 3rd group of coil unit is to be positioned at described right side shoulder regions in order to gather the shoulder coil unit, right side of the signal of right side shoulder, the 4th group of coil unit is to be positioned at upper limbs zone, described left side in order to gather the left side upper limbs coil unit of the signal of left side upper limbs, the 5th group of coil unit is to be positioned at upper limbs zone, described right side in order to gather the right side upper limbs coil unit of the signal of right side upper limbs, described flexible shell and described coiler part adopt the integral type design in order to coat the neck of human body, bilateral shoulder and upper limbs.
2. the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging according to claim 1, it is characterized in that, described first group of coil unit is comprised of the many groups of coils that are symmetrical set at described neck area, wherein every group comprises two coils, and described two coils are symmetrical arranged before and after patient's neck is in use; Described second group of coil unit and the 3rd group of coil unit are comprised of one group of coil respectively, and one group of interior described coil is symmetrical arranged before and after shoulder is in use; Described the 4th group of coil unit and the 5th group of coil unit are comprised of four groups of coils respectively, wherein two groups of coils are arranged on the upper arm of left side or right side upper limbs, other two groups of coils are arranged on the forearm of described left side or right side upper limbs, in use, before and after being, two groups of coils that are arranged on respectively described upper arm and forearm are symmetrical arranged.
3. the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging according to claim 2, it is characterized in that, the coil that described first group of coil unit is symmetrical set at described neck area by four quilts forms, and wherein outermost two coils are symmetrical arranged before and after being with the most inboard two coils in use; Described second group of coil unit and the 3rd group of coil unit are comprised of two coils respectively, and described two coils are symmetrical arranged before and after shoulder is in use; Described the 4th group of coil unit and the 5th group of coil unit are comprised of four coils respectively, wherein two coils are arranged on the upper arm of left side or right side upper limbs, two other coil is arranged on the forearm of described left side or right side upper limbs, in use, before and after being, two coils that are arranged on respectively described upper arm and forearm are symmetrical arranged.
4. according to the described local coil device for neck and shoulder part and upper limbs magnetic resonance imaging of claim 2 or 3, it is characterized in that, at the edge in described neck area, shoulder regions and the upper limbs zone of described flexible shell, be provided with described flexible shell is temporarily anchored to patient's stationary installation with it.
5. the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging according to claim 4, is characterized in that, described stationary installation is splicing tape, hasp, bandage or slide fastener.
6. the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging according to claim 1, is characterized in that, described coil is toroid winding or saddle coil.
7. the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging according to claim 1, it is characterized in that, the signal that described local coil device can gather neck, left and right sides shoulder and upper limbs simultaneously is with complete imaging, or can gather separately the signal of different positions or part combination with local tomography.
8. the local coil device for neck and shoulder part and upper limbs magnetic resonance imaging according to claim 1, it is characterized in that, the size in the described neck area in described flexible shell, left side shoulder regions and right side shoulder regions and upper limbs zone, left side and upper limbs zone, right side is carried out design modifying according to subject's build.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320194987.6U CN203385840U (en) | 2013-04-17 | 2013-04-17 | Local coil apparatus for magnetic resonance imaging of neck, shoulders and upper limbs |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320194987.6U CN203385840U (en) | 2013-04-17 | 2013-04-17 | Local coil apparatus for magnetic resonance imaging of neck, shoulders and upper limbs |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324535A (en) * | 2016-09-30 | 2017-01-11 | 中国科学院武汉物理与数学研究所 | Lung radio frequency coil vest used for hyperpolarized gas magnetic resonance imaging system |
| CN106707207A (en) * | 2015-11-13 | 2017-05-24 | 上海联影医疗科技有限公司 | Radio frequency coil assembly for magnetic resonance imaging |
| CN108226829A (en) * | 2018-01-02 | 2018-06-29 | 北京清影华康科技有限公司 | Neck chest joint imaging coil block |
| CN108784701A (en) * | 2018-06-27 | 2018-11-13 | 西南医科大学附属中医医院 | Magnetic resonance Bilateral Symmetry joint while imaging coil |
-
2013
- 2013-04-17 CN CN201320194987.6U patent/CN203385840U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707207A (en) * | 2015-11-13 | 2017-05-24 | 上海联影医疗科技有限公司 | Radio frequency coil assembly for magnetic resonance imaging |
| CN106324535A (en) * | 2016-09-30 | 2017-01-11 | 中国科学院武汉物理与数学研究所 | Lung radio frequency coil vest used for hyperpolarized gas magnetic resonance imaging system |
| CN106324535B (en) * | 2016-09-30 | 2018-10-12 | 中国科学院武汉物理与数学研究所 | A kind of lung's radio-frequency coil vest for hyperpolarized gas magnetic resonance imaging system |
| CN108226829A (en) * | 2018-01-02 | 2018-06-29 | 北京清影华康科技有限公司 | Neck chest joint imaging coil block |
| CN108784701A (en) * | 2018-06-27 | 2018-11-13 | 西南医科大学附属中医医院 | Magnetic resonance Bilateral Symmetry joint while imaging coil |
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Granted publication date: 20140108 Termination date: 20170417 |