CN204536520U - A kind of full hand coil device for Magnetic resonance imaging - Google Patents
A kind of full hand coil device for Magnetic resonance imaging Download PDFInfo
- Publication number
- CN204536520U CN204536520U CN201520248670.5U CN201520248670U CN204536520U CN 204536520 U CN204536520 U CN 204536520U CN 201520248670 U CN201520248670 U CN 201520248670U CN 204536520 U CN204536520 U CN 204536520U
- Authority
- CN
- China
- Prior art keywords
- coil
- inner casing
- monocycle
- magnetic resonance
- resonance imaging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model relates to a kind of full hand coil device for Magnetic resonance imaging, comprises inner casing and coiler part, it is characterized in that: coiler part is fixed on inner casing; Inner casing is set to the shape of full hand, comprises wrist and palm portion; Coiler part comprises eight monocycle coils, monocycle coil is set to saddle coil, all overlap between every two adjacent saddle coils, eight monocycle coils specifically the first coil, the second coil, tertiary coil, the 4th coil, the 5th coil, the 6th coil, the 7th coil, the 8th coil; First coil is to the 4th coil for gathering the signal at wrist position, and the first coil and the second coil cover the top and the bottom of inner casing, and tertiary coil and the 4th coil cover the left-right parts of inner casing; 5th coil is to the 8th coil for gathering the signal of palm part, and the 5th coil and the 6th coil cover the upper part of palm inner casing, and the 7th coil and the 8th coil cover the lower part of palm inner casing.Its good imaging quality, installation saves time.
Description
Technical field
The utility model belongs to nuclear magnetic resonance imaging system (MRI) technical field, relates to a kind of coil device for nuclear magnetic resonance imaging system, particularly relates to a kind of full hand coil device for Magnetic resonance imaging.
Background technology
In modern medical service technology, nuclear magnetic resonance imaging system is a kind of being widely used and the common medical equipment of successful, and, about the research and development of nuclear magnetic resonance imaging system are also in constantly carrying out.In nuclear magnetic resonance imaging system, there is one or more RF receiving coil apparatus, for receiving the weak radio-frequency signal that human body sends, generating tissue image, for diagnosis after machine process as calculated.The performance of radio frequency receiving coil is very large to the performance impact of nuclear magnetic resonance imaging system, so the quality of radio-frequency coil performance is very important, the quality of its performance is mainly following two indices:
(1) signal to noise ratio (S/N ratio), i.e. image resolution ratio, finally affect the diagnosis of doctor.The picture quality of the higher acquisition of signal to noise ratio (S/N ratio) is better, and image is more clear, and then contributes to the judgement of doctor to focus.
(2) homogeneity, the i.e. degree of uniformity of image, homogeneity is better, and the sharpness of general image is better, is more conducive to and dissects image comparison, and then contributes to diagnosis.
Imaging at present for full palm generally adopts general flexible cord circle, and its image quality (signal to noise ratio (S/N ratio) and homogeneity) is relative poor, and when using, installation fixedly needs to spend some times.Full palm coils special of the present invention, not only can obtain good signal to noise ratio (S/N ratio) and homogeneity (experiment test improves more than 50%), and easy-to-use installation is fixed.
For this reason, need a kind of full hand coil device for Magnetic resonance imaging, solve image quality poor, the problem fixedly wasted time and energy is installed.
Utility model content
The purpose of this utility model is, provides a kind of full hand coil device for Magnetic resonance imaging, solves image quality poor, installs the problem fixedly wasted time and energy.
For achieving the above object, the utility model provides a kind of full hand coil device for Magnetic resonance imaging, and comprise inner casing and coiler part, coiler part is fixed on inner casing; Inner casing is set to the shape of full hand, comprises wrist and palm portion; Coiler part comprises eight monocycle coils, monocycle coil is set to saddle coil, all overlap between every two adjacent saddle coils, eight monocycle coils specifically the first coil, the second coil, tertiary coil, the 4th coil, the 5th coil, the 6th coil, the 7th coil, the 8th coil; First coil is to the 4th coil for gathering the signal at wrist position, and the first coil and the second coil cover the top and the bottom of inner casing, and tertiary coil and the 4th coil cover the left-right parts of inner casing; 5th coil is to the 8th coil for gathering the signal of palm part, and the 5th coil and the 6th coil cover the upper part of palm inner casing, and the 7th coil and the 8th coil cover the lower part of palm inner casing.
In above scheme preferably, wrist coil adopts the structure of upper and lower two the monocycle coils in front and left and right two monocycle coil distributions.
Can also preferably, palm portion coil to adopt about top the structure of two monocycle coil distributions about two monocycle coils, bottom.
Can also preferably, coiler part also comprises the electronic component be serially connected in the first coil, the second coil, tertiary coil, the 4th coil, the 5th coil, the 6th coil, the 7th coil and the 8th coil.
Can also preferably, the coil that coil adopts copper strips to make.
Can also preferably, full hand coil device also comprises shell, and shell is fixedly connected with inner casing, for covering coiler part.
Full hand coil device for Magnetic resonance imaging of the present utility model, can solve image quality difference, installs the problem fixedly wasted time and energy; It is by less coil and can obtain higher conversion efficiency closer to imaging object; By using multiple coil around whole imaging object, the needs covering larger imaging region can be realized; It can be complete the whole wrist of covering and palm, have good signal to noise ratio (S/N ratio) and homogeneity, image quality is better.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the full hand coil device of Magnetic resonance imaging of the present utility model.
In figure, 1 is the first coil, and 2 is the second coil, and 3 is tertiary coil, and 4 is the 4th coil, and 5 is the 5th coil, and 6 is the 6th coil, and 7 is the 7th coil, and 8 is the 8th coil.
Embodiment
In order to understand the utility model better, below in conjunction with specific embodiment, the utility model is explained in detail.But, obviously can carry out different modification and remodeling to the utility model and not exceed the wider spirit and scope of the utility model of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment:
For a full hand coil device for Magnetic resonance imaging, as shown in Figure 1, comprise inner casing and coiler part, coiler part is fixed on inner casing; Inner casing is set to the shape of full hand, comprises wrist and palm portion; Coiler part comprises eight monocycle coils, monocycle coil is set to saddle coil, all overlap between every two adjacent saddle coils, eight monocycle coils specifically the first coil 1, second coil 2, tertiary coil 3, the 4th coil 4, the 5th coil 5, the 6th coil 6, the 7th coil 7, the 8th coil 8; First coil 1 is to the 4th coil 4 for gathering the signal at wrist position, and the first coil 1 and the second coil 2 cover the top and the bottom of inner casing, and tertiary coil 3 and the 4th coil 4 cover the left-right parts of inner casing; 5th coil 5 is to the 8th coil 8 for gathering the signal of palm part, and the 5th coil 5 and the 6th coil 6 cover the upper part of palm inner casing, and the 7th coil 7 and the 8th coil 8 cover the lower part of palm inner casing.
In the embodiment above, wrist coil adopts the structure of upper and lower two the monocycle coils in front and left and right two monocycle coil distributions.Signal sensitivity is maximized.
In the embodiment above, palm portion coil to adopt about top the structure of two monocycle coil distributions about two monocycle coils, bottom.Take into account signal sensitivity and the best goes lotus root effect.The wrist of its uniqueness and the distribution of palm portion coil, what make wrist and palm portion goes lotus root circuit convenient, goes lotus root effect better.
In the embodiment above, coiler part also comprises the electronic component be serially connected in the first coil 1, second coil 2, tertiary coil 3, the 4th coil 4, the 5th coil 5, the 6th coil 6, the 7th coil 7 and the 8th coil 8.
In the embodiment above, coil adopts the coil that copper strips is made.
In the embodiment above, full hand coil device also comprises shell, and shell is fixedly connected with inner casing, for covering coiler part.
Full hand coil device for Magnetic resonance imaging of the present utility model, its shell, shell is fixedly connected with inner casing, and for covering coiler part, coil is divided into upper and lower two parts, and during use, top and the bottom connector connects, and has locking and opening device.Its coiler part is fixed on inner casing, and shell is fixedly connected with inner casing, for covering coiler part.Inner casing is designed to the shape of full hand, matches (conformal) with the scanning position of staff.Inner casing specifically can be divided into wrist, palm portion.Coiler part comprises an electronic component (optionally) such as coil and various inductance, electric capacity, and electronic component is serially connected in coil.Coil can adopt copper strips to make.All overlap between every two adjacent saddle coils.Mutual coupling (total magnetic flux namely in overlapping region is zero) is removed in overlapping effect.First coil 1 to the 4th coil 4 for gathering the signal at wrist position.First coil 1 covers the upper part of inner casing, and the second coil 2 covers the low portion of inner casing, and tertiary coil 3 and the 4th coil 4 cover the lateral parts of inner casing.5th coil 5 to the 8th coil 8 for gathering the signal of palm part.5th coil 5 and the 6th coil 6 cover the upper part of inner casing, and the 7th coil 7 and the 8th coil 8 cover the low portion of inner casing.
In imaging process, coil device of the present utility model is covered on hand, scanning imagery can be carried out to staff.Radio-frequency (RF) magnetic field excite and receive all to have been come by radio-frequency coil.For receiving coil, it is vital for improving conversion efficiency.In general, less coil and higher conversion efficiency can be obtained closer to imaging object.In order to cover larger imaging region, need to use multiple coil around whole imaging object.Coil device of the present utility model meets above-mentioned requirements, and can completely covers whole foot, and have good homogeneity and higher conversion efficiency, image quality is better.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (6)
1., for a full hand coil device for Magnetic resonance imaging, comprise inner casing and coiler part, it is characterized in that: coiler part is fixed on inner casing; Inner casing is set to the shape of full hand, comprises wrist and palm portion; Coiler part comprises eight monocycle coils, monocycle coil is set to saddle coil, all overlap between every two adjacent saddle coils, eight monocycle coils specifically the first coil (1), the second coil (2), tertiary coil (3), the 4th coil (4), the 5th coil (5), the 6th coil (6), the 7th coil (7), the 8th coil (8); First coil (1) to the 4th coil (4) for gathering the signal at wrist position, first coil (1) and the second coil (2) cover the top and the bottom of inner casing, and tertiary coil (3) and the 4th coil (4) cover the left-right parts of inner casing; 5th coil (5) to the 8th coil (8) for gathering the signal of palm part, 5th coil (5) and the 6th coil (6) cover the upper part of palm inner casing, and the 7th coil (7) and the 8th coil (8) cover the lower part of palm inner casing.
2. as claimed in claim 1 for the full hand coil device of Magnetic resonance imaging, it is characterized in that: wrist coil adopts the structure of upper and lower two the monocycle coils in front and left and right two monocycle coil distributions.
3. as claimed in claim 1 for the full hand coil device of Magnetic resonance imaging, it is characterized in that: palm portion coil to adopt about top the structure of two monocycle coil distributions about two monocycle coils, bottom.
4. the full hand coil device for Magnetic resonance imaging as described in claim 1 or 2 or 3, is characterized in that: coiler part also comprises the electronic component be serially connected in the first coil (1), the second coil (2), tertiary coil (3), the 4th coil (4), the 5th coil (5), the 6th coil (6), the 7th coil (7) and the 8th coil (8).
5. as claimed in claim 4 for the full hand coil device of Magnetic resonance imaging, it is characterized in that: the coil that coil adopts copper strips to make.
6. as claimed in claim 4 for the full hand coil device of Magnetic resonance imaging, it is characterized in that: full hand coil device also comprises shell, and shell is fixedly connected with inner casing, for covering coiler part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248670.5U CN204536520U (en) | 2015-04-23 | 2015-04-23 | A kind of full hand coil device for Magnetic resonance imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248670.5U CN204536520U (en) | 2015-04-23 | 2015-04-23 | A kind of full hand coil device for Magnetic resonance imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204536520U true CN204536520U (en) | 2015-08-05 |
Family
ID=53750506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520248670.5U Active CN204536520U (en) | 2015-04-23 | 2015-04-23 | A kind of full hand coil device for Magnetic resonance imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204536520U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487029A (en) * | 2015-12-23 | 2016-04-13 | 深圳市特深电气有限公司 | Multichannel radio frequency coil device for NMR 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 |
| CN111110237A (en) * | 2020-01-15 | 2020-05-08 | 无锡濂星电子科技有限公司 | Nuclear magnetic resonance brain function coil device |
-
2015
- 2015-04-23 CN CN201520248670.5U patent/CN204536520U/en active Active
Cited By (3)
| 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 |
| CN105487029A (en) * | 2015-12-23 | 2016-04-13 | 深圳市特深电气有限公司 | Multichannel radio frequency coil device for NMR imaging system |
| CN111110237A (en) * | 2020-01-15 | 2020-05-08 | 无锡濂星电子科技有限公司 | Nuclear magnetic resonance brain function coil device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204536520U (en) | A kind of full hand coil device for Magnetic resonance imaging | |
| US9817091B2 (en) | Magnetic resonance imaging apparatus and RF coil device | |
| CN105629186B (en) | A kind of magnetic resonance radio frequency coil | |
| CN104055517B (en) | A kind of MR imaging apparatus and magnetic resonance scanning method | |
| CN203789928U (en) | Electrocardio, respiratory and peripheral gating system for magnetic resonance system | |
| CN110618464A (en) | System and method for improving Larmor precession signal-to-noise ratio of Overhauser magnetic sensor | |
| CN203773037U (en) | Mammary-gland magnetic-resonance radiofrequency receiving coil of magnetic-resonance imaging system | |
| CN102288928B (en) | Radio frequency coil device for magnetic resonance imaging system | |
| CN102709704B (en) | A kind of MRI magnetic signal enhancement device | |
| CN205280918U (en) | A multichannel RF coil of neck portion device for magnetic resonance imaging system | |
| CN203385840U (en) | Local coil apparatus for magnetic resonance imaging of neck, shoulders and upper limbs | |
| CN102709705A (en) | MRI (magnetic resonance imaging) magnetic signal enhancement device | |
| CN105487029A (en) | Multichannel radio frequency coil device for NMR imaging system | |
| CN206147082U (en) | A wrist coil for magnetic resonance imaging system | |
| CN103367921A (en) | Meta-material and MRI magnetic signal enhancement device | |
| CN104799858A (en) | ECG (electrocardio), breathing and periphery portal control system for magnetic resonance system | |
| CN205861878U (en) | Magnetic resonance carotid atherosclerotic plaque radio frequency imaging coil | |
| CN102683879B (en) | A kind of MRI magnetic signal enhancement device | |
| CN202330682U (en) | Miniature animal coil in magnetic resonance system | |
| CN106291420A (en) | Wrist coil for magnetic resonance imaging system | |
| CN103054583B (en) | Patient bed control device and method for reducing noises of images of magnetic resonance imaging (MRI) system | |
| CN203025335U (en) | Knee coil component | |
| CN204863187U (en) | Mammary gland magnetic resonance imaging device | |
| CN201150538Y (en) | Examining table for magnetic resonance imaging system | |
| CN220040726U (en) | Hand radio frequency coil device and magnetic resonance imaging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518107 area 301c, building 201, 301, 501, 5, building 4, Jihui mould Industrial Park, Tianliao Avenue, Tianliao community, Yutang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen RF Tech Co., Ltd. Address before: 518132 Guangdong province Shenzhen Guangming New District Office of Gongming Tian Liao Tian Liao Road community Juhui mould Industrial Park 4 Building 2 floor, 3 floor Patentee before: Shenzhen RF Tech Co., Ltd. |