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The DeRoyal Esophageal Stethoscope with Temperature Sensor is to be used for routine monitoring of core body temperature, as well as heart and respiratory sounds in an anesthetized patient by inserting the stethoscope tube into the esophagus.

The DeRoyal Esophageal Stethoscope with Temperature Sensor is inserted into the esophagus of anesthetized patients to monitor core body temperature as well as heart and respiratory sounds. The probe consists of a small diameter plastic tube upon which a blue cuff is placed. When inserted in the esophagus, the cuff facilitates transmission of sound to an ear piece attached at the proximal end of the tube. Additionally, a wire set is placed inside the plastic tube. This wire set contains a thermistor chip at the distal end that passively modifies the electrical current traveling through the probe. A blue connector at the proximal end of the wire set interfaces with a cable that is connected to an independent temperature monitor that is used to display the temperature readings. The probe is sterile and individually packaged. It is available in 9, 12, 18, and 24 French sizes and may come with 400 or 700 series sensors. The stethoscope has a male luer fitting for attachment to standard ear pieces.

Indications for Use: • The Clarisonus Plus Esophageal Stethoscope with temperature sensor with attached earpiece is intended for use when the esophageal temperature is continuously monitored along with the auscultation of the heart and lung sounds. • The Esophageal Stethoscope with temperature sensor is intended for use when the esophageal temperature is continuously monitored along with the auscultation of the heart and lung sounds. • The Esophageal/Rectal Temperature Probe is indicated for continuous monitoring of esophageal, rectal, and nasopharyngeal temperatures. The products are intended for use in surgical and critical care patients.

Esophageal Stethoscope has been used in clinical application for continuous measurement of temperature and auscultation of heart and lung sounds. Esophageal Stethoscope is used in anesthetized patients and is placed inside of esophagus. The stethoscope consists of a sound transmitting part and a temperature monitoring part. Sound transmitting part consists of a PVC tube whose distal end has openings at the end and the side of the tube. The distal end is covered with a flexible membrane in form of a cuff. The proximal end of the tube has a Luer lock connector for the connection to the anesthesiologist monoscope with earpiece. Heart and lung sounds are transmitted across the esophageal wall and across the cuff membrane through distal openings into the PVC tube. The sound waves travel through the tube into the anesthesiologist monoscope and into the anesthesiologist's ear. The temperature monitoring part consists of thermistor sub-assembly whose temperature sensing tip is placed inside of the PVC tube to the tube's distal end. On its proximal end, it terminates with an electrical connector for the connection to the patient monitoring system. When in application, the sound transmitting part of the stethoscope is connected to a custom made connecting line with an earpiece or disposable monoscope. In many' situations the anesthesiologist forgets the earpiece or monoscope so that the auscultations of the heart and lung sounds are not performed. The proposed device incorporates the esophageal stethoscope and a monoscope in a single unit which would provide the anesthesiologist with an ease of application. The earpiece at the end of the connecting line is made of a memory ear plug. Prior to the insertion, the foam is squeezed and placed inside of the ear canal for auscultation of heart and lung sounds. The Esophageal stethoscope with temperature sensor and Esophageal/Rectal temperature probe are non-sterile version of predicate device K111050.

Esophageal / Rectal temperature probe (4009-ER and 40012-ER): The Starboard Medical Esophageal / Rectal temperature probe is indicated for continuous patient temperature monitoring, when these placement sites are clinically recommended. The probe is designed for insertion into the esophagus, nasopharynx, or rectum. Esophageal Stethoscope with temperature sensor (4009-ES, 40012-ES, 40018-ES, and 40024-ES): The Starboard Medical Esophageal Stethoscope with temperature sensor is indicated for continuous monitoring of patient temperature along with auscultation of the heart and lung sounds. The probe is designed for insertion into the esophagus.

The Starboard Medical temperature probes are intended for use in clinical situations where continuous monitoring of patient's body temperatures is required. The probes are compatible with all monitoring instrumentation designed to accept YSI 400 series temperature probes or equivalent. This 510(k) includes the following probes: 4009-ER (Esophageal / Rectal temperature probe - 9FR) 40012-ER (Esophageal / Rectal temperature probe - 12FR) 4009-ES (Esophageal Stethoscope with temperature sensor - 9FR) 40012-ES (Esophageal Stethoscope with temperature sensor - 12FR) 40018-ES (Esophageal Stethoscope with temperature sensor - 18FR) 40024-ES (Esophageal Stethoscope with temperature sensor - 24FR) The probes are single use, and they are sterile.

The intended use of the esophageal stethoscope is to listen to heart and breath sounds while a patient is under anesthesia. Additionally, patient temperature can be monitored using the stethoscopes with 400 or 700 series thermistors. The stathoscopes are provided "packaged clean" and are for "single use" only.

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Esophageal/Rectal Temperature Probe, Catalog Numbers 483M-9, 483M-12, and 491B: The CSZ sesphageal/rectal temperature probe is intended for use in routine continuous monitoring of the esophageal or medal temperature as an indicator or core body temperature. The probe is designed for placement in the esophagus or rectum. Boohageal Stethoscope with Temperature Sensor, Catalog Numbers 493M-9, 493M-12, 493M-18, and 493M-24: The CSZ esophageal stethoscope with temperature sensor is intended for use when the esophageal caperature is continuously monitored along with the auscultation of the heart and lung sound as an indicator of core body temperature and cardio-pulmonary performance.

Disposable Temperature Probes using thermistors as temperature sensors. The signal of the sensor s processed and displayed by the monitoring unit.

Indicated for use as an esophageal stethoscope to listen to patient heart and breathe sounds while a patient is under anesthesia or sedation. Optionally it may be used as a temperature sensor to monitor patient temperature. The electrical conductors are YSI 400 or 700 series compatible. They can be provided "clean, non-sterile" or "sterile".

The NovaMed esophageal stethoscopes are long tubes which at the distal end have openings in the side wall and tip end. These openings are covered by a thin non-inflatable cuff to prevent secretions from entering in the distal end. A temperature sensor or electrical conductor can be placed inside the distal end with connecting wires running internally and exiting the proximal end of the stethoscope. The proximal end is fitted with a standard slip fit luer for connection to any standard earpiece or to the Lifesound electronic stethoscope (K844804). The insulated temperature sensor wires are terminated with standard connectors for fitting to standard cables which connect to the temperature monitor. They are available is various lengths, diameters (sizes), with or without temperature, and packaged clean, non-sterile and sterile.

The intended use of the esophageal stethoscope is to listen to heart and breath sounds while a patient is under anesthesia. Additionally, patient temperature can be monitored using the stethoscopes with 400 or 700 series thermistors. The stethoscopes are provided "packaged clean" and are for "single use" only.

Esophageal Stethoscope

Esophageal Stethoscope: Monitoring heart and breath sounds. Esophageal Stethoscope with Electrical Conductors: Monitoring heart and breath sounds, and core temperature.

Disposable Esophageal Stethoscope