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The intended use of the ThermoChem-HT System is to raise the core temperature of the peritoneum to the desired targeted temperature by continuously lavaging the peritoneum with circulating warmed Lactated Ringer's Solution, U.S.P., or another physiologically compatible sterile solution.

The principal components, features and functions of the ThermoChem-HT System include an internal water heater/cooler, roller-type fluid pump, inputs for monitoring temperature, touch screen to direct the user through set-up and use, computer record storage, and disposable circuit that includes an integrated heat exchanger, fluid reservoir, and tubing connectors. The user provides and places commercially available introduction and drainage catheters into the patient's peritoneal cavity. One catheter acts as an Inlet and the other as an Outlet. The user also provides the Lactated Ringer's Solution. U.S.P., or another physiologically compatible sterile solution that is circulated into and out of the peritoneal cavity. The system heats Lactated Ringer's Solution, U.S.P., or another physiologically compatible sterile solution, and circulates it into and out of the peritoneal cavity. Flow from the patient Outlet Catheter gravity drains into a fluid reservoir, then through to a roller Pump and then to an inline, disposable Heat Exchanger. The Heat Exchanger is interfaced with heated water from a heater/cooler that provides regulated temperature control to the Heat Exchanger. The heated solution then passes to the peritoneal cavity through the Inlet Catheter. The inline reservoir also aids in priming the disposable circuit and maintaining adequate fluid volumes. The system monitors the temperature of the circulating Lactated Ringer's Solution, U.S.P., or another physiologically compatible sterile solution.

1) Acute Hepatic Encephalopathy: The BioLogic-DT System is indicatd for the treatment of acute hepatic encephalopathy due to decompensation of chronic liver disease or fulminant hepatic failure. 2) Drug Overdose and Poisonings: The BioLogic-DT System is indicated for the treatment of drug overdose and poisonings. The only requirement is that the drug or chemical be dialyzable (in unbound form) and bound by charcoal, such as acetaminophen, tricyclics, barbiturates, tranquilizers, anticancer agents, antimicrobials, theophylline, herbicides, and insecticides.

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1. Acute Hepatic Encephalopathy: The BioLogic-DT System is indicated for the treatment of acute hepatic encephalopathy due to decompensation of chronic liver disease or fulminant hepatic failure. 2. Drug Overdose and Poisonings: The BioLogic-DT System is indicated for the treatment of drug overdose and poisonings. The only requirement is that the drug or chemical be dialyzable (in unbound form) and bound by charcoal, such as acetaminophen, tricyclics, barbiturates, tranquilizers, anticancer agents, antimicrobials, theophylline, herbicides, and insecticides.

The BioLogic-DT System is a sorbent regenerated detoxification system consisting of the BioLogic-DT Machine and the single use BioLogic-DT-1000-TK (Treatment Kit). In many ways, it is similar to a standard hemodialysis machine in that blood is removed from the body, passed through a cellulosic dialyzer, and returned to the body. Within the dialyzer, diffusion causes many chemicals and toxins to pass from the dialysate surrounding the membranes. Depending on the binding characteristics of the sorbents in suspension in the dialysate, some chemicals remain at low concentration in the dialysate, and are therefore efficiently removed from the blood, while others reach concentrations similar to blood, and are therefore not removed from the blood. Like existing single-access dialysis systems, the BioLogic-DT System alternately withdraws and returns blood through a single-lumen catheter. Unlike standard dialysis machines, which use roller pumps to pass blood through the membranes, the DT applies an alternating pressure/ vacuum cycle to the sorbent suspension causing the alternating expansion and compression of the dialyzer's parallel plate cellulosic membranes. This expansion and compression of the membranes is used to pump blood through the system. An improvement in software of the DT-1000 System mixes the sorbents before prime, obviating the need for the operator to shake the bag.