Patent ID: 11877739
Assignee: BOSTON SCIENTIFIC SCIMED, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 9:
10. A method, comprising:
inserting an endoscopic medical device within a patient, the endoscopic medical device comprising:
an endoscopic device operable to engage a target tissue; and
an actuator coupled to the endoscopic device, the actuator including:
a piston within a chamber, the piston comprising:
a piston head engaged with an interior surface of the chamber; and
a piston rod coupled to a tissue engagement component of the endoscopic device; and

a second piston within a second chamber, wherein the second chamber is fluidly connected with the chamber, wherein a first diameter (D1) of the chamber is larger than a second diameter (D2) of the second chamber;

controlling an amount of a fluid within the chamber to actuate the piston rod and the tissue engagement component relative to the target tissue; and
engaging the target tissue with the tissue engagement component to close an opening of the target tissue.