EP0135326A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Nuclear magnetic resonance apparatus
Assignee: Philips Design Ltd
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Filing: 1984-08-01
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Granted: —
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Expires: 2004-08-01
Abstract
Abstract In a nuclear magnetic resonance apparatus an RF coil arrangement comprises two or more separable parts (51 and 53) adapted to be assembled around the body to be examined to form the coil arrangement. The parts are suitably arranged to be connected, when assembled, by adjustable coupling means (55, 57, 59 and 61) so that the volume embraced by the coil arrangement may be adjusted. The invention enables the coil arrangement to be positioned more closely around a body being examined than is possible with conventional, unitary, tubular coil arrangements.
Inventors
- 👤 David John Gilderdale
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 07:29
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/28; G01R33/32; G01R33/34; G01R33/34007; G01R33/34046; G01R33/34069; G01R33/343; G01R33/34084
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
58 words
An NMR apparatus including a coil arrangement for the application of and/or sensing of RF fields during examination of a body by means of the apparatus characterised in that said coil arrangement comprises at least two separable parts (10A, 51 and 10B, 53) adapted to be assembled around a body to be examined to form said coil arrangement.
Claim 2
Dependent Claim
58 words
An NMR apparatus including a coil arrangement for the application of and/or sensing of RF fields during examination of a body by means of the apparatus characterised in that said coil arrangement comprises at least two separable parts (10A, 51 and 10B, 53) adapted to be assembled around a body to be examined to form said coil arrangement.
Claim 3
Dependent Claim
28 words
An apparatus according to Claim 1 wherein said coil arrangement, when assembled, is of tubular form, and each said part constitutes an arcuate section of the assembled arrangement.
Claim 4
Dependent Claim
18 words
An apparatus according to Claim 2 wherein said coil arrangement comprises two said parts of substantially semicircular section.
Claim 5
Independent Claim
55 words
An apparatus according to any one of the preceding claims wherein said coil arrangement includes coupling, means (55, 57, 59 and 61) whereby said parts are held in position with respect to one another when assembled, said coupling means being adjustable so that the volume embraced by the coil arrangement when assembled may be adjusted.
Claim 6
Independent Claim
35 words
An apparatus according to any onecf the preceding claims wherein said coil arrangement includes electric coupling means (63, 65, 67) whereby coils of different said parts are electrically connected when said coil arrangement is assembled.
Claim 7
Dependent Claim
20 words
An apparatus according to Claim 5 wherein said electric coupling means is of plug (63) and socket (65, 67) form.
Claim 8
Independent Claim
60 words
An apparatus according to any one of the preceding claims suitable for use in examining the head of a patient wherein said coil arrangement, when assembled, includes a former (51, 53) which supports the coils of the arrangement and which provides a window (71 or 73) through which a patient whose head is within the coil arrangement may look out.
Claim 9
Dependent Claim
28 words
An apparatus according to Claim 7 wherein said former is in the form of a tube a portion of which has been cut away to provide said window.
Claim 10
Dependent Claim
23 words
An apparatus according to Claim 7 wherein said window is provided by virtue of said former consisting at least partly of transparent material.
Claim 11
Dependent Claim
23 words
A coil arrangement suitable for use as the said coil arrangement of an NMR apparatus according to any one of the preceding claims.
References Cited (Backward Citations)
No citation records indexed.
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