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The Apollo ESG NXT System is intended to be used by trained gastroenterologists or surgeons that perform bariatric procedures to facilitate weight loss by reducing stomach volume through endoscopic sleeve gastroplasty in adult patients with obesity with BMI between 30-50 kg/m2 who have not been able to lose weight, or maintain weight loss, through more conservative measures. The Apollo REVISE NXT System is intended to be used by trained gastroenterologists or surgeons that perform bariatric procedures to facilitate weight loss in adult patients with between 30-50 kg/m2 by enabling transoral outlet reduction as a revision to a previous bariatric procedure.

These devices are used to perform gastric remodelling through the placement of anchor-sutures and locking cinch device. The Apollo ESG NXT system is for intended for endoscopic sleeve gastroplasty (ESG) while the Apollo REVISE NXT device is intended for transoral outlet reduction, as a revision to a previous bariatric procedure. The two device systems differ in terms of the number of anchor-sutures and cinches needed to perform ESG and TORe procedures. Both systems are comprised of a Needle Driver Assembly and Anchor Exchange Device, and accessories such as the Tissue Helix, Suture Cinch and Suture-Anchor Assembly devices. All devices are sterile packaged and designed for single use and are manufactured from various thermoplastic, silicone, stainless steel and other medical grade materials. The Apollo ESG NXT and Apollo REVISE NXT needle driver assembies are designed to be compatible with single channel endoscopes. The endcap assembly of the needle driver is mounted onto the endoscope using polyester medical tape. The external catheter sheath has two working channels through which the Anchor Exchange and other accessories can operate, independent of the endoscope channel. The needle driver assembly also incorporates a pull string feature that, when pulled, allows the physician to further control the retroflexion capabilities of the endoscope. The handle of the Needle Driver Assembly is squeezed to actuate the needle body and exchange the proprietary Suture-Anchor Assembly with the Anchor Exchange to perform stitching operations. A previously cleared Tissue Helix is provided with Apollo ESG NXT while the NXT Tissue Helix Pro is provided with Apollo REVISE NXT. Both instruments are used for manipulating tissue into the suturing window of the needle driver assembly. These devices also include a matching number of anchor-sutures and cinches to perform the gastroplasty or revision procedure. The NXT Tissue Helix Pro is used to acquire tissue by rotating the device's handle to to gather tissue onto the exposed exposed helix coil. The acquired tissue is then pulled into proximity of the needle body to complete the stitching operation. Tissue is released by rotating the handle in the opposite direction.

The APOLLO ESG and ESG SX Systems are intended to be used by trained gastroenterologists or surgeons that perform bariatric procedures to facilitate weight loss by reducing stomach volume through endoscopic sleeve gastroplasty in adult patients with obesity with BMI 30 -50 kg/m2 who have not been able to lose weight, or maintain weight loss, through more conservative measures. The APOLLO REVISE and REVISE SX Systems are intended to be used by trained gastroenterologists or surgeons that perform bariatric procedures to facilitate weight loss in adult patients with obesity with BMI 30 - 50 kg/m² by enabling transoral outlet reduction as a revision to a previous bariatric procedure.

Endoscopic Sleeve Gastroplasty (ESG) is an endoscopic procedure that involves the creation of plications in the stomach to reduce stomach volume. The plications form a sleeve, which reduces stomach capacity and slows gastric emptying. Patients having previous Roux-en-Y gastric bypass bariatric surgery may experience dilation of the gastrojejunostomy outlet and the gastric pouch, followed by weight gain. This can be addressed by reducing the diameter of the gastric outlet by suturing. This procedure is often referred to as Transoral Outlet Reduction (TORe). The APOLLO ESG and APOLLO REVISE Systems are designed to accomplish ESG and TORe, respectively, using a dual channel scope. The APOLLO ESG SX and APOLLO REVISE SX Systems are designed to accomplish ESG and TORe. respectively, using a single channel endoscope. The systems function by delivering the suture to the targeted area to create full thickness bites when approximating soft tissue. The device components are: - The OverStitch (SX) Handle is comprised of a needle driver assembly and anchor exchange. - The Tissue Helix enables the user to manipulate and position tissue before and after suturing. - The Suture Anchor consists of a polypropylene suture attached to a metal piece. - The Cinch device is a plastic component that simultaneously cuts the suture and clamps onto the suture.