CN102579046B - Breast coil device - Google Patents
Breast coil device Download PDFInfo
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- CN102579046B CN102579046B CN 201210067112 CN201210067112A CN102579046B CN 102579046 B CN102579046 B CN 102579046B CN 201210067112 CN201210067112 CN 201210067112 CN 201210067112 A CN201210067112 A CN 201210067112A CN 102579046 B CN102579046 B CN 102579046B
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Abstract
A breast coil device comprises a shell and two coil groups. The shell is made of magnetic compatible materials and comprises a web plate, a bottom plate and at least three supporting columns; two first round holes are arranged on a surface of the web plate; one end of each supporting column is fixed on the bottom plate, the other end of each supporting column is connected onto the web plate, and the supporting columns, the web plate and the bottom plate jointly form a cage structure. The two coil groups are respectively fixed on the web plate and are arranged in the cage structure. Each coil group comprises a first coil, a second coil and at least two leads; the first coils and the second coils are annular roughly, and the first coils are fixed on the web plate; the diameter of each second coil is smaller than that of each first coil; and each first coil is connected with the corresponding second coil via the corresponding leads, and the first round holes on the web plate, the first coils, the second coils and the leads form a holding cavity. The breast coil device meets requirements of a magnetic resonance imaging system.
Description
[technical field]
The present invention relates to magnetic resonance device, particularly relate to a kind of breast coil device.
[background technology]
At present, malignant tumor and chronic disease such as cardiovascular and cerebrovascular disease and malignant neoplasm have become the No.1 killer who threatens human health.Breast carcinoma is the modal malignant tumor of female mammary gland, is also one of modal malignant tumor of women, has a strong impact on even threat to life of women's physical and mental health, and the mammary gland tumor modal symptom that is breast carcinoma.According to statistics, breast cancer incidence accounts for the 7-10% of the various malignant tumor of Whole Body, and sickness rate shows the trend increase year by year, is only second to cervical cancer in the women, and is normal and hereditary relevant, and rarely found in the male.The breast carcinoma lump is usually located at outer top and the centre of breast, and axillary fossa place lymph node is breast carcinoma metastasis site the earliest.Reduce an inspection that potential important measures are infantile tumours of Death Rate of Breast Cancer.American Cancer Society report, when breast carcinoma is found to be in when early stage, 96% women can survive.Unfortunately, 25% of the discovery in late period women can not be survived.
Now, the breast aortography is the most effective and widely used screening mode of the potential breast carcinoma of clinical examination.Yet the breast carcinoma female patient finds that through Mammogram about 10-30% shows negative.A large amount of false-negative obtaining may be owing to the breast aortography in the limitation of access near the fine and close gland tissue of thoracic wall or oxter and zone, and the infantile tumour imaging does not also show micro-calcification.Another important worry is the pseudo-positive height ratio relevant to Mammogram.These limitation show the imaging pattern that need to have high sensitivity and effective specific complementation of early diagnosis clearly.
In the mammary neoplasms inspection, mr imaging technique is proved to be a kind of of great value imaging mode.Yet, from body local zone (for example female breast) when obtaining high sensitivity and specific high-definition picture, the existing commercial magnetic resonance imaging system efficient that contains the annular gradient coil of large-size and radio-frequency coil is lower, can't satisfy the demand of diagnosis, the appearance of the high-performance coils special that adapts with it need to be arranged.
[summary of the invention]
Based on this, be necessary to provide a kind of breast coil device that is specially adapted for magnetic resonance imaging system.
A kind of breast coil device comprises shell and two coil groups.Described shell is made by the magnetic compatible material, comprises web, base plate and at least three support columns; The plate face of described web is provided with two first circular holes; Described support column one end is fixed on described base plate, and the other end is connected on described web, and described support column and described web and described base plate form cage structure jointly.Described two coil groups are individually fixed on described web and are contained in described cage structure, comprise the first coil, the second coil and at least two wires; Described the first coil and the second coil are roughly annular, and described the first coil is fixed on described web; Described the second coil diameter is less than the first coil; Described the first coil is connected with described the second coil by described wire, and the first circular hole on described web and described the first coil, described the second coil and described wire have formed a host cavity.
Further, described wire is the arc wire, and described host cavity is roughly hemispherical.
Further, the quantity of the wire of described single coil group is 2 or 4.
Further, the junction point that described wire is positioned on the first coil is evenly distributed on the first coil, and the junction point that described wire is positioned on the second coil is evenly distributed on the second coil.
Further, described web is recessed to the direction near described base plate, forms concave shape.
Further, described base plate is provided with two second circular holes.
Further, described shell also comprises the connecting portion with web and base plate smooth connection.
Further, described coil groups also comprises many root interface lead-in wire, and service wire quantity equates with described number of conductors, and described service wire is connected on the first coil, and coil groups is divided into a plurality of radio-frequency channels, and the number of radio-frequency channel equates with the number of described wire.
Further, described coil groups also comprises a plurality of the first capacitors that are connected on the first coil, and described a plurality of the first capacitors are used for realizing the impedance matching of coil unit.
Further, also be connected with the second capacitor between described two coil groups, described the second capacitor is used for eliminating the coupling between described two coil groups.
The magnetic resonance system that above-mentioned breast coil device solves existing radio-frequency coil can't satisfy the problem that mammary neoplasms checks diagnostic requirements, is applicable to magnetic resonance imaging system.Simultaneously good human engineering design makes the user more comfortable.
[description of drawings]
Fig. 1 is the structural representation of breast coil device;
Fig. 2 is the concrete structure schematic diagram of shell;
Fig. 3 is single coil group structural representation;
Fig. 4 is the concrete structure schematic diagram of a kind of embodiment of coil groups;
Fig. 5 is the concrete structure schematic diagram of the another kind of embodiment of coil groups.
[specific embodiment]
For the magnetic resonance system that solves existing radio-frequency coil can't satisfy the problem that mammary neoplasms checks diagnostic requirements, a kind of breast coil device that is specially adapted for magnetic resonance imaging system has been proposed.
MR imaging apparatus comprises the parts such as magnet, examinating couch, gradient coil, radio-frequency receiving-transmitting coil, surface coils, preamplifier, frequency mixer, radio frequency amplifier, analog-digital converter, frequency synthesizer, pulse generator, digital to analog converter, radio-frequency modulator, radio frequency amplifier, gradient amplifier and processor.Magnet, gradient coil and radio-frequency coil are around the sleeping examine person's layout that lies in sick bed, and surface coils is placed on the area-of-interest at a certain position of examine person.The whole MR imaging apparatus of computer operating, the shape of at first computer control radiofrequency signal, gradient and excite sequential, and it is delivered in waveform generator, signal enters respectively transmitting coil and gradient coil after amplifying, transform the signal of telecommunication from the received coil of the electromagnetic wave of interesting target radiation, through amplifier and demodulator circuit, the digital signal that is collected by analog-digital converter is admitted to computer, utilize Fourier transformation to realize image reconstruction, finally obtain the magnetic resonance image (MRI) of target.
See also Fig. 1, a kind of breast coil device of embodiment one comprises shell 100 and is contained in two coil groups 200 in shell 100 that shell 100 is made by the magnetic compatible material, disturbs to satisfy can not produce magnetic resonance system under electromagnetic radiation.Shell 100 comprises web 110, base plate 130 and four support columns 150, and support column 150 1 ends are fixed on base plate 130, and the other end is connected on web 110, support column 150 and web 110 and the common cage structure (figure is mark not) that forms of base plate 130.Two coil groups 200 are individually fixed on web 110 and are contained in cage structure.
The more detailed structure of shell 100 as shown in Figure 2, web 110 forms concave shape to recessed near the direction of base plate 130.The plate face of web 110 is provided with two first circular holes 112, and the aperture of circular hole is enough large, its breast can be put into the hole to satisfy the normal adult women.On base plate 130, also the corresponding position of two the second circular hole 132, the second circular holes 132 on shell 100 of being provided with is corresponding with the first circular hole 112.Shell 100 also comprises connecting portion 170, connecting portion 170 and web 110 and base plate 130 smooth connections.Base plate 130 is away from also being provided with projection 134 on the one side of web 110, when whole breast coil device was placed on the magnetic resonance system examinating couch, web 110 was upper, base plate 130 under, projection 134 contacts with the bed surface of examinating couch, plays a part to support fixing to whole device.Will do when checking when remaining the examiner, need examine person that its chest is prostrate on breast coil device, the web 110 of concave shape can well adapt to the profile characteristics of human chest.Connecting portion 170 and web 110 and base plate 130 smooth connections make the examiner more comfortable, and connecting portion 170 also plays a supportive role to whole breast coil device simultaneously.
Two coil groups 200 are individually fixed on web 110 and are contained in cage structure, see also Fig. 3, and coil groups 200 comprises the first coil 210, the second coil 230 and four wires 250.The first coil 210 is roughly annular, is fixed on web 110.The second coil 230 is roughly also annular, and diameter is less than the first coil.The first coil 210 is connected with the second coil 230 by wire 250.The first circular hole 112 on web 110 and the first coil 210, the second coil 230 and wire 250 have formed a host cavity 300, and the shielded cable of coil groups by multicore is connected with RF receiving circuit in magnetic resonance system.
The junction point that wire 250 is positioned on the first coil 210 is evenly distributed on the first coil 210, and the junction point that wire 250 is positioned on the second coil 230 is evenly distributed on the second coil 230.The junction point of wire on the first coil 210 and the second coil 230 evenly is divided into four sections with the first coil 210 and the second coil 230.Coil groups 200 also comprises many root interface lead-in wire (not shown), service wire quantity equates with wire 250 quantity, for having the coaxial wire of anti-electromagnetic interference, service wire is connected on the first coil, the both positive and negative polarity of reasonable arrangement service wire, adjacent two wires and adjacent two wires are marked off at the first coil 210 one section and a section of telling on the second coil 230 have formed a radio-frequency channel jointly, coil groups 200 is divided into four radio-frequency channels, is respectively 202,204,206 and 208.
When examine person need to do breast magnetic resonance scanning, breast coil device is placed on the examinating couch of magnetic resonance system, examine person is prostrate prostrate on breast coil device with its chest, examine person's cleavage is in the middle part of web 110, breast passes the first circular hole 112, enters host cavity 300.At this moment, the both sides breast respectively by 200 of two coil groups around, the second coil 230 is near nipple, and the first coil 210 is more near breast root.Then under the control of computer, examine person is sent into carry out image scanning in magnetic resonance equipment.The magnetic resonance system that above-mentioned breast coil device solves existing radio-frequency coil can't satisfy the problem that mammary neoplasms checks diagnostic requirements, is applicable to magnetic resonance imaging system.Simultaneously good human engineering design makes the user more comfortable.
In whole breast coil device, the quantity of support column 150 is not limited to 4, require at least three, so just can satisfy the requirement of supporting, the quantity of support column is as far as possible not too many simultaneously, only use 3 or 4 support columns, make breast coil device have open architecture, be convenient to from multiple directions, it be carried out interventional therapy in to breast scanning.
The number that it should be noted that wire 250 is not limited to 4, can be also 2 or other number.In single coil group 200, the number of radio-frequency channel equates with the number of wire 250, if wire 250 numbers are 2, the quantity of radio-frequency channel is also 2.Wire 250 can be the arc wire, and the shape of host cavity 300 is roughly hemispherical like this, and is proper mutually with women's chest shape facility, is that examine person is more comfortable.The second circular hole 132 also can save, and the volume that the second circular hole 132 can further increase host cavity 300 is set.
See also Fig. 4, in one embodiment in two coil groups 200 the single coil group also comprise 4 the first capacitors 410 that are connected on the first coil 210, the first capacitor 410 is connected to the junction of service wire and the first coil 210, by regulating the capacitance size of the first capacitor 410, be used for realizing the impedance matching of coil unit.Two coil groups 200 are mutually independent, and in order to eliminate the coupling of 200 of two coil groups, two 200 of coil groups also are connected with two the second capacitors 430, eliminate the coupling of 200 of two coil groups by the capacitance size of regulating the second capacitor 430.
See also Fig. 5, two coil groups 200 in another embodiment, the single coil group is connected with another coil groups by the 3rd capacitor 450, shares the method for the 3rd capacitor 450 by two coil groups 200, eliminates the coupling between coil groups 200.
It is pointed out that in single coil group 200, can also be connected with a plurality of the 4th class capacitor (not shown) on the first coil 210 and the second coil 230, quantity is that 4, the four class capacitors are evenly distributed on the first coil 210 and the second coil 230.Can also be connected with the 5th class capacitor (not shown) on wire 250, quantity is identical with wire 250 quantity.The 4th class capacitor and the 5th class capacitor are used for the tuning of coil groups 200 coils, resonant frequency is adjusted to the frequency of oscillation place of magnetic resonance system defined, the 5th class capacitor also is used in adjacent radio-frequency channel, as the uncoupling between radio- frequency channel 202 and 204 simultaneously.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. breast coil device comprises:
Shell is made by the magnetic compatible material, and described shell comprises:
Web, the plate face of described web is provided with two first circular holes;
Base plate, described base plate is away from also arranging projection on the one side of described web, and described projection is used for contacting with the bed surface of examinating couch, and described base plate is provided with two second circular holes; And
At least three support columns, described support column one end is fixed on described base plate, and the other end is connected on described web, and described support column and described web and described base plate form cage structure jointly;
Two coil groups are individually fixed on described web and are contained in described cage structure, and described coil groups comprises:
The first coil is roughly annular, is fixed on described web;
The second coil is roughly annular, and diameter is less than the first coil; And
At least two wires, described the first coil is connected with described the second coil by described wire, and the first circular hole on described web and described the first coil, described the second coil and described wire have formed a host cavity.
2. according to breast coil device claimed in claim 1, it is characterized in that, described wire is the arc wire, and described host cavity is roughly hemispherical.
3. according to breast coil device claimed in claim 1, it is characterized in that, the quantity of the wire of single described coil groups is 2 or 4.
4. according to breast coil device claimed in claim 3, it is characterized in that, the junction point that described wire is positioned on the first coil is evenly distributed on the first coil, and the junction point that described wire is positioned on the second coil is evenly distributed on the second coil.
5. according to breast coil device claimed in claim 1, it is characterized in that, described web is recessed to the direction near described base plate, forms concave shape.
6. according to breast coil device claimed in claim 1, it is characterized in that, described shell also comprises the connecting portion with web and base plate smooth connection.
7. according to breast coil device claimed in claim 4, it is characterized in that, described coil groups also comprises many root interface lead-in wires, service wire quantity equates with described number of conductors, described service wire is connected on the first coil, coil groups is divided into a plurality of radio-frequency channels, and the number of radio-frequency channel equates with the number of described wire.
8. according to breast coil device claimed in claim 7, it is characterized in that, described coil groups also comprises a plurality of the first capacitors that are connected on the first coil, and described a plurality of the first capacitors are used for realizing the impedance matching of coil unit.
9. according to breast coil device claimed in claim 8, it is characterized in that, also be connected with the second capacitor between described two coil groups, described the second capacitor is used for eliminating the coupling between described two coil groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210067112 CN102579046B (en) | 2011-12-12 | 2012-03-14 | Breast coil device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412327 | 2011-12-12 | ||
| CN201110412327.6 | 2011-12-12 | ||
| CN 201210067112 CN102579046B (en) | 2011-12-12 | 2012-03-14 | Breast coil device |
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| Publication Number | Publication Date |
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| CN102579046A CN102579046A (en) | 2012-07-18 |
| CN102579046B true CN102579046B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210067112 Active CN102579046B (en) | 2011-12-12 | 2012-03-14 | Breast coil device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091652B (en) * | 2013-02-04 | 2015-09-02 | 上海辰光医疗科技股份有限公司 | For the mammary gland magnetic resonance RF receiving coil of magnetic resonance imaging system |
| CN105559783B (en) * | 2016-02-03 | 2019-02-19 | 汪红志 | A kind of semi open model MRI system and its application on breast imaging |
| US11307274B2 (en) * | 2018-06-06 | 2022-04-19 | General Electric Company | Method and systems for a radio frequency coil assembly |
| CN109124634B (en) * | 2018-08-18 | 2023-06-20 | 哈尔滨理工大学 | Soft negative pressure external expansion type mammary tissue fixing device used in nuclear magnetic environment |
| CN110975170B (en) * | 2019-11-15 | 2021-06-15 | 山东大学齐鲁医院 | Prone breast rollover device and method for manufacturing prone breast three-dimensional curved surface model |
| CN111714222B (en) * | 2020-06-29 | 2021-07-23 | 北京欧扬医疗美容门诊部有限公司 | Fat self-implantation device for traceless breast augmentation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6023166A (en) * | 1997-11-19 | 2000-02-08 | Fonar Corporation | MRI antenna |
| US6163717A (en) * | 1998-11-25 | 2000-12-19 | Toshiba America Mri, Inc. | Open structure breast coil and support arrangement for interventional MRI |
| WO2009049051A2 (en) * | 2007-10-11 | 2009-04-16 | Insight Neuroimaging Systems Llc | An efficient methodology for the decoupling for multi-loop rf coil geometries for magnetic resonance imaging |
| CN301770089S (en) * | 2011-06-14 | 2011-12-21 | 上海辰光医疗科技股份有限公司 | 7-channel breast coil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8909319B2 (en) * | 2008-04-14 | 2014-12-09 | Mri Robotics Llc | Device and method for MRI-guided breast interventions |
-
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- 2012-03-14 CN CN 201210067112 patent/CN102579046B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6023166A (en) * | 1997-11-19 | 2000-02-08 | Fonar Corporation | MRI antenna |
| US6163717A (en) * | 1998-11-25 | 2000-12-19 | Toshiba America Mri, Inc. | Open structure breast coil and support arrangement for interventional MRI |
| WO2009049051A2 (en) * | 2007-10-11 | 2009-04-16 | Insight Neuroimaging Systems Llc | An efficient methodology for the decoupling for multi-loop rf coil geometries for magnetic resonance imaging |
| CN301770089S (en) * | 2011-06-14 | 2011-12-21 | 上海辰光医疗科技股份有限公司 | 7-channel breast coil |
Non-Patent Citations (1)
| Title |
|---|
| Michael E.Beasley.Housing design for a new RF breast coil concept for use in MRI applications.《Housing design for a new RF breast coil concept for use in MRI applications》.Worcester，MA,2008,第13页，第14页，第37-38页，第44页，第65-66页. * |
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