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The Rezūm System is intended to relieve symptoms, obstructions, and reduce prostate tissue associated with benign prostatic hyperplasia(BPH). It is indicated for men ≥ 50 years of age with a prostate volume 30 cm³ ≤ 150 cm³. The Rezūm System is also indicated for treatment of prostate with hyperplasia of the central zone and/or a median lobe.

The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death. The denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure. Following thermal therapy for BPH, small pieces of coagulated tissue may slough off and be expelled via urination. This sloughing process may continue for a few months post-procedure depending on the rate of healing. The Rezūm System consists of the following: • **Rezūm Generator** – reusable, non-sterile capital equipment, provided with one power cord • **Rezūm Delivery Device Kit** – sterile, single-use kit containing the following disposable components: - One sterile Delivery Device with cable and tubing - One sterile syringe - One sterile spike adaptor - One sterile water vial

The SpydrBlade Flex Instrument is indicated for use in the cutting (incision, dissection, avulsion) of soft tissue using radiofrequency energy and the coagulation (hemostasis, cauterization, arrest of bleeding) of soft tissue using microwave energy in the gastrointestinal tract as required or encountered in endoscopic procedures. The CROMA Electrosurgical Generator is intended to provide Radiofrequency (RF) and microwave (MW) energy for cutting, coagulation, and ablation of soft tissue, when used in conjunction with compatible electrosurgical instruments and accessories. The Creo Medical Electrosurgical System is not intended for use in cardiac procedures.

The Creo Medical electrosurgical system comprises of the CROMA electrosurgical generator, an interface cable accessory and a footswitch accessory, and a compatible electrosurgical instrument. The CROMA electrosurgical generator comprises two distinct energy sources for the independent generation of bipolar radiofrequency (RF) current at 400 kHz and microwave (MW) current at 5.8 GHz. Both energy sources are delivered through the same output coaxial connector. These generator outputs are controlled in terms of voltage, power, current, duty cycle, and duration by means of widely used and long-established design and engineering techniques. Via these controls and system design, only one energy source can be delivered to the output coaxial connector at any one time. The compatible electrosurgical instrument that is subject of this submission is SpydrBlade Flex. The subject and predicate devices use the same electrosurgical generator, footswitch, and interface cable. SpydrBlade Flex is a single-use, sterile endoscopic electrosurgical instrument used for procedures in the gastrointestinal (GI) tract. The product is sterilized using Ethylene Oxide. SpydrBlade Flex is intended for use in endoscopes with a minimum working channel of 3.2 mm and maximum working length of 1.35 m. SpydrBlade Flex incorporates a distal tip, a shaft, and a handle. The distal tip includes a jaws assembly that consists of two gold-plated ceramic bipolar antennas, each soldered to a stainless-steel base. The stainless-steel bases are joined in a manner to provide a mechanical opening and closing function. The bipolar antennas deliver RF energy for cutting and MW energy for coagulation, in the same manner as the predicate Speedboat SB1. The cutting and coagulation functions are performed regardless of the jaw mechanism and can be provided with the jaws open or closed. The jaw mechanism provides a grasping function for easier tissue manipulation between and during energy applications. The subject and predicate devices are composed of the same technological components with the same principles of operation related to the energy function: - Cutting of mucosa, sub-mucosa, muscle using bipolar RF energy, - Thermal coagulation of mucosa and/or sub-mucosa, muscle, vascular and arterial structures using MW energy.

The SB Knife Jr2 is a single-use sterile Electrosurgical Knife (Model Numbers: MD-47702, MD-47702L). This device is designed to be used with Olympus and ERBE Electrosurgical monopolar HF generators, connectors and patient grounding plates to cut tissue including Zenker's diverticulum within the digestive tract using high-frequency current.

SB Knife Jr2 under application (Hereinafter "the Subject Device" is a single-patient use EtOsterilized hand-held device that connects to an external high frequency (HF) generator and is designed to be used with Olympus and ERBE Electrosurgical monopolar HF generators, connectors and patient grounding plates to cut tissue including Zenker's diverticulum within the digestive tract using high-frequency current. Varying generator power, cycle and duration results in a control of these surgical capabilities. The Subject Device is designed to connect with Olympus and ERBE connectors and uses the disposable or reusable Olympus or ERBE grounding plates and connecting cables intended for the generators. The Subject Device is not life supporting or life sustaining. It is designed as a short-term limited contact device (less than 24 hours), has no software, and has been certified to comply with IEC 60601-1, IEC 60601-2-2, IEC 60601-1-2, IEC 60601-1-6 and IEC 60601 2-18 by ISO 17025 accredited laboratory. The Subject Device consists of two models as follows: MD-47702 Working Length: 1970 mm MD-47702L Working Length: 2320 mm

The Disposable Sphincterotome is indicated for use in transendoscopic sphincterotomy of the Papilla of Vater and/or the Sphincter of Oddi. This device can also be used to cannulate and inject contrast medium.

The subject device Disposable Sphincterotome is a sterile, single-use endoscopic device, intended to be used with flexible endoscopes for intubation of the pancreaticobiliary system and for sphincterotome. The disposable sphincterotome consists of cutting wire, sheath, quide wire connector, injection connector, conductive column, finger ring, handle, and imaging ring. The subject device has 72 specifications. The differences among these models are the Cutting Length, Tip Length, Working Length and Type of guide wire lumen channel. The subject device is EO sterilized to achieve the Sterility Assurance Level (SAL) of 10-6 and placed in a sterility maintenance package to ensure a shelf life of 3 years. The main materials used for construction of Disposable Sphincterotome include PTFE, ABS, SUS304.

This device is used for cannulation of the ductal system and for sphincterotomy. If preloaded, the device also aids in bridging difficult strictures during ERCP. Also indicated for sphincterotome-aided, wire-quided selective cannulation of the biliary ducts. Tesla BiCord Active Cord: This device is used to connect the Teslatome Bipolar Sphincterotome to compatible electrosurgical generators.

ln a sphincterotomy, access to the biliary tract is gained by passing a sphincterotome through a duodenoscope and positioning the distal tip adjacent to the major papilla is cannulated using the tip of the sphincterotome. The papilla is then incised using an electrosurgical current applied to the cutting wire by an electrosurgical generator that is connected to the sphincterotome by an active cord. The Teslatome consists of a three-ring handle, tri-lumen catheter, and cutting wire with a connection to an electrosurgical generator via the Tesla BiCord active cord. The connection delivers a current to the cutting wire that is exposed at the device. A multilumen catheter allows for the injection of contrast and/or the passage over a prepositioned wire guide using the proximal end of the device.

The Aqua Medical RF Vapor System is indicated for use in the coagulation and ablation of bleeding and non-bleeding sites in the gastrointestinal tract including but not limited to the esophagus. Indications include Esophageal Ulcers, Mallory-Weiss tears, Arteriovenous Malformations, Angiomata, Barrett's Esophagus, Dieulafoy Lesions, Angiodysplasia, Gastric Antral Vascular Ectasia (GAVE) and Radiation Proctitis (RP). The device is to be used in adults only.

The Aqua RF Vapor Ablation System uses a catheter to deliver heated water vapor to the tissue surface undergoing treatment. The Aqua RF Vapor Ablation System is a catheter-based system for heating and coagulating tissue. The heat is delivered to the target tissue in the form of water vapor that is generated within the catheter tip using radiofrequency (RF) energy. Application of heat to the tissue results in coagulation and ablation of the tissues being treated. This technique avoids the need for direct RF energy application to heat the tissue. The Aqua Medical RF VaporAblation System consists of the following components: - Aqua RF Vapor Generator: A software-controlled RF generator is operated through a graphical user interface (GUI) and incorporates a syringe pump that delivers saline to the catheter. Delivery of bipolar RF energy to the catheter is controlled either by an accessory foot pedal or a button incorporated in the disposable catheter. - Aqua RF Vapor Catheters: disposable, sterile, single-use catheters with a diameter of 7F -(2.3 mm) with an outer catheter sheath that is 10.5F and a length between 145 cm and 210 cm. There are 3 types of RF Vapor catheters available. Catheters are designed to be used through an endoscope working channel diameter of 3.7mm. - Saline Delivery Tubing and Syringe: Tubing and syringe (60cc) provide a means of delivering saline to the catheter during treatment.

The Interface Cable is for connection only of a compatible Creo Medical Instrument (Surgical Accessory) to the CROMA Electrosurgical Generator to deliver Radiofrequency (RF) and/or Microwave energy for the cutting, coagulation and ablation of gastrointestinal tissue.

The Reusable Interface Cable comprises a flexible, low-loss coaxial cable intended for high-power microwave operation and has latching connectors at each end for connection to the CROMA Electrosurgical Generator and compatible Creo Medical Instruments (Surgical Accessories). The established lifetime of the Reusable Interface Cable is for 20 uses in total.

Gold Probe Bipolar Electrohemostasis Catheter is indicated for use in transendoscopic electrohemostasis (cauterization of tissue and coagulation of blood) of actual or potential bleeding sites in the gastrointestinal tract. Injection Gold Probe Bipolar Electrohemostasis Catheter is indicated for use in endoscopic injection therapy (to deliver pharmacological injection agents, such as vasoconstrictors) and endoscopic electrohemostasis (cauterization of tissue and coagulation of blood) of actual or potential bleeding sites in the gastrointestinal tract. The Injection Gold Probe Catheter also has irrigation capability. Any other use is not recommended.

The Gold Probe is a bipolar electrohemostasis catheter with irrigation capabilities. When passed through an endoscope and activated, it will deliver a bipolar current to cauterize tissue. The Gold Probe is available in 7 Fr and 10 Fr with a working length of 300cm (7 and 10 Fr) and 350cm (7 Fr), compatible with a minimum of 2.8 mm and 3.7 mm scope channels, respectively. The catheter shaft provides firmness for perpendicular and tangential use, while the HemoGlide Coating on the catheter promotes minimal friction during endoscope passage. The Injection Gold Probe is an injection therapy and bipolar electrohemostasis catheter with irrigation capabilities. The Injection Gold Probe is available in a working length of 210 cm with outer diameters of 7F (2.3 mm) and 10F (3.3 mm), compatible with a minimum of 2.8 mm and 3.7 mm scope channels, respectively. The catheter shaft provides firmness for perpendicular and tangential use, while the HemoGlide Coating on the catheter promotes minimal friction during endoscope passage.

The Disposable Sphincterotome is indicated for use in the cannulation of the biliary ducts and the transendoscopic sphincterotomy of the Papilla of Vater and/or the Sphincter of Oddi. The device is supplied sterile and intended for single use only.

The Disposable Sphincterotome described in this submission are a sterile, single use devices compatible with the working channel of endoscope. The device consists of a long plastic tube with a wire running the length of its interior. A small portion of that wire is exposed at its distal end. The roof of the papilla is opened by passing high-frequency current through the wire, exposing the biliary or pancreatic orifices for selective cannulation. The models with injection can inject contrast medium into the biliary ducts. The main materials of the proposed device include PTFE, ABS, SUS304. Type A, Type B and Type C are included in this submission. The proposed devices are EO sterilized to achieve the Sterility Assurance Level (SAL) of 10-6 and placed in a sterility maintenance package to ensure a shelf life of 3 years.