1. A radio frequency (RF) coil array comprising:
a plurality of RF coil sections arranged in a superior-inferior direction, each RF coil section comprising a first linear coil element, a loop-saddle coil quadrature pair and a second linear coil element configured in an overlapping arrangement in a left-right direction.
2. An RF coil array according to claim 1, wherein the plurality of RF coil sections are configured in an overlapping arrangement.
3. An RF coil array according to claim 1, wherein at least one of the first linear coil element and the second linear coil element is a loop coil.
4. An RF coil array according to claim 1, wherein at least one of the first linear coil element and the second linear coil element is an asymmetric saddle coil.
5. An RF coil array according to claim 2, wherein a position of a center of the first linear coil element is shifted in the superior-inferior direction to align with an overlap region between adjacent RF coil sections.
6. An RF coil array according to claim 2, wherein a position of a center of the second linear coil element is shifted in the superior-inferior direction to align with an overlap region between adjacent RF coil sections.
7. A radio frequency (RF) coil array comprising:
a first linear coil element;
a loop-saddle coil quadrature pair;
a second linear coil element, wherein the first linear coil element, the loop-saddle coil quadrature pair and the second linear coil element are arranged in a left-right direction.
8. An RF coil array according to claim 7, wherein a first portion of the first linear coil element overlaps a first portion of the loop-saddle coil quadrature pair.
9. An RF coil array according to claim 7, wherein a first portion of the second linear coil element overlaps a second portion of the loop-saddle coil quadrature pair.
10. An RF coil array according to claim 7, wherein a portion of the center of the first linear coil element is shifted in a superior-inferior direction with respect to a position of the loop-saddle coil quadrature pair.
11. An RF coil according to claim 10, wherein a portion of the center of the second linear coil element is shifted in a superior-inferior direction with respect to a position of the loop-saddle coil quadrature pair.
12. An RF coil array according to claim 7, wherein the first linear coil element, the loop-saddle coil quadrature pair and the second linear coil element are configured to form a coil section.
13. An RF coil array according to claim 12, further comprising a plurality of coil sections aligned in the superior-inferior direction.
14. An RF coil array according to claim 7, wherein at least one of the first linear coil element and the second linear coil element is a loop coil.
15. An RF coil array according to claim 7, at least one of the first linear coil element and the second linear coil element is an asymmetric saddle coil.
16. An RF coil array according to claim 13, wherein the plurality of coil sections are configured to provide spine imaging.
17. An RF coil array according to claim 13, wherein the plurality of coil sections are configured to provide torso imaging.
18. An RF coil array according to claim 13, wherein the plurality of coil sections are configured as a posterior imaging array.
19. An RF coil array according to claim 13, wherein the plurality of coil sections are configured as an anterior imaging array.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A connector comprising:
a first connection portion fixedly connected a light emitting diode (LED), comprising a first receiving hole, a first set of conductive terminals received in the first receiving hole, and a first hook portion protruded from an outer surface of the first connection portion; and
a second connection portion comprising a second receiving hole, a second set of conductive terminals, and a second hook portion protruding from an inner surface of the second receiving hole;
wherein, at least one of the first hook portion and the second hook portion is elastic, when the first hook portion is connected with the second hook portion, the first connection portion connection is connected to the second connection portion, and the first set of conductive terminals contact the second set of conductive terminals.
2. The connector according to claim 1, further comprising a protection sleeve, wherein the protection sleeve is connected to the second connection portion, the protection sleeve comprises a connection pipe and a connection sleeve, the connection pipe is mounted to the second connection portion via the connection sleeve.
3. The connector as described in claim 2, wherein the connection pipe comprises a pipe body and a flange formed on an end of the pipe body and extending outwards along a periphery of the pipe body, a engaging portion is formed on a surface of the flange to engage with the second connection portion.
4. The connector as described in claim 3, wherein the connection sleeve is a hollow cylinder having an internal surface, an inner screw thread is formed in the internal surface of the connection sleeve, the inner screw thread cooperates with the second connection portion, a circular stopper is formed on one end of the connection sleeve to abut against the second connection portion.
5. The connector as described in claim 3, wherein the second receiving hole is used for receiving the first connection portion, one end of the second connection portion is a blind end, the blind end defines three through holes and a protruding portion, the terminals of the second set of conductive terminals protrude from the three through holes, the protruding portion is engaged with the engaging portion of the flange to stop the second connection portion and the protection sleeve from moving relative to each other.
6. The connector as described in claim 4, wherein an outer screw thread is formed on an outer surface of the second connection portion, the outer screw thread cooperates with the inner screw thread of the connection sleeve.
7. The connector as described in claim 1, wherein one end of each terminal of the second set of the conductive terminals comprises two elastic arms, the two elastic arms are used for holding one terminal of the first set of the conductive terminals.