| 摘要 |
A magnetically guidable medical device for use within the large intestine of a human body. A magnetically guidable guide wire is introduced into the rectum of a body of a patient and maneuvered through the colon under the influence of a controlled magnetic field to a desired location within the body of the patient. An external magnetic field applying means applies an external magnetic field effective to guide the magnetically guidable member within the body of the patient. A colonoscope is advanced over the guide wire so that the advancement and placement of the colonoscope is aided by the magnetically guided guide wire. Either or both the magnetically guidable guide wire and the colonoscope can be viewed using a fluoroscope to assist in positioning it within the body of the patient. |
