| 摘要 |
The inventive apparatus may be slid onto a guiding catheter or other thru-lumen catheters, solid catheters, such as Electrophysiology catheters and multi-lumen tubing and advanced to the distal end of the guiding catheter or other thru-lumen catheters, solid catheters, such as Electrophysiology catheters and multi-lumen tubing to assist in holding the distal end of the guiding catheter or other thru-lumen catheters, solid catheters, such as Electrophysiology catheters and multi-lumen tubing at a target location within a patient, by utilizing an externally applied magnetic field to hold a plurality of magnetic elements on the apparatus in alignment with the target location. A medical device may then be advanced through the guiding catheter, for example, to the target location in the patient, without the guiding catheter backing out. The apparatus in combination with magnetic navigation thus provides support to hold the guiding catheter or other thru-lumen catheters, solid catheters, such as Electrophysiology catheters and multi-lumen tubing in place to prevent back out of the catheter.
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