Endoscopic Sleeve Gastroplasty (ESG)

Introduction ESG

ESG is a surgical procedure that reduces the volume of the stomach 
and suppresses the patient’s appetite, resulting in weight loss

No incision in the abdomen, so there are no scars, and it has the advantage of being able to be restored to its original shape in the future without 
permanently cutting out the stomach

Introduction ESG

ESG Procedure

step 01
Inspecting target
Stomach is inspected

The endoscope is inserted through the mouth  into stomach

The aim of this procedure is to reduce the  volume of the stomach by approx. 70%

step 02
Marking
Suture device introduced

The front and back walls of the stomach are  marked to help guide placement of the  sutures

step 03
Suturing of tissue
Suturing of tissue

The endoscopic suturing system is attached  to the endoscope and used to take full  thickness suture through the wall of the  stomach

step 04
Continuous suturing
Continuous suturing

Performing a running suture pattern that  connects the front and back wall of the  stomach

step 05
Suture tightening
Suture tightening

The sutures are tightened, bringing the wall  together

step 06
Small stomach after ESG
Small stomach after ESG

This pattern is repeated along the stomach to not only reduce volume

Clinical Issues of ESG

Stitching direction
Stitching direction

The direction of stitching must be  appropriately selected for each area in order  to effectively reduce the stomach

Manipulating the endoscope to perform stitching in the desired direction can be difficult

The issue of tangled suture
The issue of tangled suture

The endoscope and suture come into contact  and become tangled when adjusting the  stitching direction during the procedure

The issue of long learning curve
The issue of long learning curve

Require long training period and operation  time

Endorobotics Solution for ESG

stitch
 

Rolling-Stitch is a stitching device with a mechanism where two arms exchange needles

The stitching direction can be switched 180 degrees by exchanging needles

The device can rotate independently around the distal end of the endoscope, allowing the  operator to freely control the stitching direction

RollingStitchRolling-Stitch
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