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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.

The Disposable Temperature Probe (body surface type) is to be used with a compatible medical monitor that has temperature measurement function to continuously measure the patient's skin temperature. The Disposable Temperature Probe (celomic type) is to be used with a compatible medical monitor that has temperature measurement function to continuously measure the patient's oral, rectal, nasopharyngeal cavity temperature.

The Disposable Temperature Probe is a noninvasive, quick-acting, safe and secure way for continuous temperature monitoring. It provides an effective way for doctors to obtain patient's temperature. The Disposable Temperature Probe obtains temperature information through the influence degree that the thermal balance has on the resistance value of thermistor sensor after it has contacted human body. The Disposable Temperature Probe is intended to be connected to a compatible medical monitor which is Model C30 (Manufacturer: COMEN) to continuously measure the patient's temperature, which can only be used by professionals for single use. It has two types which are body surface type (model: TAS03-15. TAS03-16. TAS03-17) and celomic type (model: TAE03-09S, TAE03-10S, TAE03-12S, TAE03-13S, TAE03-13S, TAE03-14S, TAE03-15S, TAE03-16S). The body surface type is mainly pasted under the axilla while the celomic type is inserted into the oral, rectal or nasopharyngeal cavity. The temperature probes should not be used for more than 24 hours. The Disposable Temperature Probe is composed of plug, cable and temperature sensing probe. For patient-contacting components, their materials have all been tested and evaluated for biocompatibility.

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.

GP probes (REF M1024231 and M1024229): The General Purpose Temperature Probe is intended for continuous temperature monitoring. The probe is inserted into the esophagus or the rectum. It is sterile and individually packaged. It has a low-friction surface finish to make the insertion easier. The temperature probe beneath the cuff at the distal tip is designed for use with Datex-Ohmeda and GE Medical Systems IT monitoring systems and other monitors compatible with 400 Series temperature probes.The device is indicated for use by qualified medical personnel only. Skin probe (REF M1024222): The Skin Temperature Probe is intended for monitoring the skin surface temperature. It is sterile and individually packaged. There is a temperature sensor affixed to the center of the foam naterial on the adhesive cover. The disk-shaped adhesive cover has a reflective backing and a hypo-allergenic adhesive which follows closely the contour of the skin. The skin temperature probe is designed for use with Datex-Ohmeda and GE Medical Systems IT monitoring systems and other monitors compatible with 400 Scries temperature probes. The device is indicated for use by qualified medical personnel only. Esophageal probes (REF M1024205, M1024212, M1024215 and M1024218): The Esophageal Stethoscope with Temperature Probe is to be used for monitoring temperature, heart, and respiratory sounds on an anesthetized patient. The stethoscope tube is inserted into the esophagus. The probe is sterile, individually packaged and connes in different sizes. It has a low-friction surface finish to make the insertion easier, and a thin cuff to enhance sound transmission and fidelity. The stethoscope has a male luer fitting for attachment to a standard ear piece. The temperature probe, beneath the cuff at the distal tip, is designed for use with Datex-Ohmeda and GE Medical Systems IT monitoring systems and other monitors compatible with 400 Series temperature probes. The device is indicated for use by qualified medical personnel only.

Disposable temperature probes (Table below) are used during patient temperature measurement. These probes consist of the "Molex" plug connector on the adapter cable end and a thermistor on the patient end. These probes are to be used with 400-series compatible temperature measurement systems only. Esophageal stethoscopes with temperature probes have a dual role, in addition to temperature probe they can be used also as a stethoscope. The temperature probe measures temperature by a resistor that is sensitive to temperature changes. The probe is connected to the patient monitor by using an interconnect cable. These probes have skin or core contact with a patient. Probes are shipped in sterile condition and there is a shelf life declared for each manufacturing batch.