| 摘要 |
A locking device for a maintaining an elongated member at a selected place within a body lumen comprises a substantially rigid body including an attachment portion adapted to be coupled to a distal portion of a medical instrument wherein, when in an operative position, the distal portion of the medical instrument is received within the body lumen and an angled head coupled to the substantially rigid body, the angled head being configured to overlie an access port of the medical device when the attachment portion is coupled to the distal portion of the medical device in a predetermined configuration in combination with a plurality of locking features extending from the angled head to immobilize a section of the elongated member relative to the medical device and a locking arm extending from the locking device so that, when the attachment portion is coupled to the medical device, the locking arm extends between the access port and the locking features to guide the elongated member from the access port to the locking features along a desired path.
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