Patent ID: 11925421
Assignee: GYRUS ACMI, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. A method comprising:
positioning a distal tip of a surgical device adjacent to a first tissue surface within a first body lumen of a patient, the surgical device including a needle configured to advance from a retracted position to a deployed position by a penetration distance;
positioning a distal tip of a tissue marker adjacent to a second tissue surface within a second body lumen of the patient;
determining a measured distance between a sensor at the distal tip of one of the surgical device or the tissue marker and a signal source at the distal tip of the other one of the surgical device or the tissue marker;
comparing the penetration distance to the measured distance; and
preventing advancement of the needle to the deployed position when the penetration distance is greater than the measured distance.