Patent ID: 11925813
Assignee: LUMEDA INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 3:
4. The PDT delivery device of claim 3 wherein the probe retraction mechanism further comprises:
a drive ratchet wheel coupled to the drive wheel;
a locking pawl engaged with the drive ratchet wheel configured to prevent rotation of the drive wheel in a forward direction;
a drive pawl coupled to the retraction trigger engaged with the drive ratchet wheel;
wherein the probe retraction mechanism is configured to rotate the drive wheel in a rearward direction when an insertion probe stop is in the unlock position, the swing arm is in the lock position and the retraction trigger is actuated; and
wherein the insertion probe is retracted toward the back end of the housing into the retraction position within the tube retraction groove.