CA2494228A1 - Procede et dispositif pour obtenir des images de l'interieur du corps par imagerie medicale par resonance magnetique au moyen de bobines auto-accordees - Google Patents
Procede et dispositif pour obtenir des images de l'interieur du corps par imagerie medicale par resonance magnetique au moyen de bobines auto-accordees Download PDFInfo
- Publication number
- CA2494228A1 CA2494228A1 CA002494228A CA2494228A CA2494228A1 CA 2494228 A1 CA2494228 A1 CA 2494228A1 CA 002494228 A CA002494228 A CA 002494228A CA 2494228 A CA2494228 A CA 2494228A CA 2494228 A1 CA2494228 A1 CA 2494228A1
- Authority
- CA
- Canada
- Prior art keywords
- coil
- probe
- transmission medium
- resonator coil
- resonator
- 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.)
- Abandoned
Links
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Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
L'invention concerne une sonde HF destinée à être utilisée avec un appareil d'imagerie médicale, ladite sonde comprenant une bobine de résonateur auto-accordée placée à l'intérieur du corps, servant à recevoir un signal donnant des indications sur une image d'une région intérieure d'un corps. La bobine de résonateur est auto-accordée sur une fréquence désirée en fonction d'un de ses paramètres géométriques. Dans un mode de réalisation, la bobine de résonateur (150) comprend un conducteur bobiné ouvert (152) présentant une pluralité de spires, ainsi qu'un premier point d'accouplement présélectionné destiné à être accouplé à un conducteur de signaux (162) et un deuxième point d'accouplement présélectionné (156) destiné à être accouplé à un conducteur de retour, les points d'accouplement étant situés sur différentes spires. Dans un autre mode de réalisation, la bobine de résonateur comprend une bobine de base présentant une pluralité de spires ainsi qu'une antenne mise en circuit avec la bobine de base et s'étendant axialement vers l'extérieur à partir de cette dernière, l'antenne présentant une longueur telle que la bobine de résonateur est auto-accordée sur une fréquence désirée. L'antenne est de préférence une antenne unipolaire.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/210,931 | 2002-08-02 | ||
| US10/210,931 US7096057B2 (en) | 2002-08-02 | 2002-08-02 | Method and apparatus for intracorporeal medical imaging using a self-tuned coil |
| US10/454,933 | 2003-06-05 | ||
| US10/454,933 US20040024308A1 (en) | 2002-08-02 | 2003-06-05 | Method and apparatus for intracorporeal medical imaging using self-tuned coils |
| PCT/US2003/023937 WO2004013647A1 (fr) | 2002-08-02 | 2003-07-31 | Procede et dispositif pour obtenir des images de l'interieur du corps par imagerie medicale par resonance magnetique au moyen de bobines auto-accordees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2494228A1 true CA2494228A1 (fr) | 2004-02-12 |
Family
ID=34278045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002494228A Abandoned CA2494228A1 (fr) | 2002-08-02 | 2003-07-31 | Procede et dispositif pour obtenir des images de l'interieur du corps par imagerie medicale par resonance magnetique au moyen de bobines auto-accordees |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1530729A1 (fr) |
| JP (1) | JP2005534418A (fr) |
| AU (1) | AU2003257955A1 (fr) |
| CA (1) | CA2494228A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5337413B2 (ja) * | 2008-06-23 | 2013-11-06 | 学校法人慶應義塾 | 燃料電池用測定装置および燃料電池システム |
-
2003
- 2003-07-31 EP EP03767007A patent/EP1530729A1/fr not_active Ceased
- 2003-07-31 CA CA002494228A patent/CA2494228A1/fr not_active Abandoned
- 2003-07-31 JP JP2004526252A patent/JP2005534418A/ja active Pending
- 2003-07-31 AU AU2003257955A patent/AU2003257955A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003257955A1 (en) | 2004-02-23 |
| JP2005534418A (ja) | 2005-11-17 |
| EP1530729A1 (fr) | 2005-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued | ||
| FZDE | Discontinued |
Effective date: 20100802 |