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

Claim 5:
6. A system, comprising:
an endoscope; and
a device including an actuator operable to close an opening in a target tissue, 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, wherein pressure from a fluid within the chamber actuates the piston rod and the tissue engagement component; 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.