MEDICAL DEVICE TUBE HAVING SUCTION LUMEN AND AN ASSOCIATED SUCTIONING SYSTEM

Various embodiments of a tracheal tube having a suction lumen are provided. For example, the suction lumen may be associated with two spaced apart pressure transducers, whereby a pressure drop between the transducers indicates that the suction lumen is free of blockages and a characteristic lack of pressure drop and/or particular pressure curve is indicative of a blockage. In addition, embodiments may include a tracheal tube with sensors configured to sense a buildup of secretions. The sensors may be located proximate to an opening in the suction lumen. In other embodiments, a blockage-clearing system for a suction lumen may be provided that blows air into the suction lumen to clear blockages. In particular, in certain embodiments, the blockage-clearing system may operate to create its own pressurized air source by utilizing the pressure change created in the suction line by a blockage. 1. A medical device comprising:a tracheal tube having a proximal end and a distal end capable of being inserted into a patient airway;an inflatable cuff associated with the distal end of the tracheal tube;a suction lumen associated with the tracheal tube and terminating in an opening that is proximal to the inflatable cuff;a first pressure sensor at a first location capable of producing an output related to a pressure at the first location; anda second pressure sensor at a second location spaced apart from the first location, wherein the second pressure sensor is capable of producing an output related to a pressure at the second location and wherein the first pressure sensor and the second pressure sensor are in fluid communication with the suction lumen.2. The medical device of claim 1 , wherein one or both of the first pressure sensor and the second pressure sensor are disposed within the suction lumen.3. The medical device of claim 1 , wherein one or both of the first pressure sensor and the second pressure sensor are disposed within a conduit removably coupled to the suction ...

TEMPERATURE MONITORING AND CONTROL DEVICES FOR TRACHEAL TUBES

Various embodiments of an intubation system include a tracheal tube, a heat source coupled to the tracheal tube, and a temperature sensor disposable in a patient's trachea to detect a temperature within the patient's trachea. The heat source is adapted to generate heat when the tracheal tube is disposed in the airway of the patient. A temperature control system coupled to the heat source is adapted to monitor the detected temperature and to control generation of heat from the heat source based on the detected temperature. 1. An intubation system , comprising:a tracheal tube configured to be placed in an airway of a patient to facilitate airflow to the patient;a heat source coupled to the tracheal tube and configured to generate heat when the tracheal tube is disposed in the airway of the patient;a temperature sensor coupled to the tracheal tube and configured to detect a temperature representative of a temperature of a tissue in the airway of the patient; anda temperature control system coupled to the heat source via a lumen of the tracheal tube and configured to monitor the detected temperature and to control generation of heat from the heat source based on the detected temperature.2. The intubation system of claim 1 , wherein the temperature control system is configured to control heat generation from the heat source by modulating a duty cycle of the heat source.3. The intubation system of claim 1 , wherein the temperature control system is further configured to shut down the heat source to substantially prevent the heat source from generating additional heat when the detected temperature exceeds a desired threshold.4. The intubation system of claim 1 , wherein the heat source is at least one of a camera claim 1 , an illumination device claim 1 , and a transducer.5. The intubation system of claim 1 , wherein the temperature control system is further configured to detect a malfunction of the temperature sensor and to shut down the heat source when the malfunction ...

Dual-lumen tracheal tube with assembly portion

The present disclosure describes systems and methods having a dual-lumen tube with an assembly end. The assembly end may be molded and coupled to an extruded portion of the tube to form a complete dual-lumen tube. The assembly end may form the distal portion of the dual-lumen tube, which may simplify the manufacturing process by eliminating cutting and shaping steps involved in forming the distal ends of the ventilation lumens. The assembly end may be molded or otherwise formed so that the distal portion is not cut to length. In addition, the assembly end may include addition functionality, such as a camera apparatus or one or more sensors.

ILLUMINATION SYSTEMS AND DEVICES FOR TRACHEAL TUBES

Various embodiments of an intubation system include a tracheal tube and an illumination assembly that is removably couplable to a tubular body of the tracheal tube. The tracheal tube may be a double lumen tracheal tube having a first cuff that is adapted to be inflated to seal against the walls of a patient's trachea and a second cuff that is adapted to be inflated to seal against the walls of the patient's bronchial stem. The illumination assembly may have one or more illumination devices that are adapted to produce light within the patient's trachea, the patient's bronchial stem, or both when the illumination assembly is coupled to the tubular body. 1. An intubation system , comprising:a tracheal tube comprising a first ventilation lumen having a first distal end and a first proximal end and a second ventilation lumen adjacent to the first ventilation lumen, the second ventilation lumen having a second distal end and a second proximal end, the second distal end not being adjacent to the first distal end, wherein a first cuff is disposed about the first ventilation lumen and the second ventilation lumen above the first distal end and a second cuff is disposed about the second ventilation lumen above the second distal end and below the first distal end;an imaging device disposed on the tracheal tube below the first cuff and configured to generate a visual representation of a portion of a patient's airway; andan illumination assembly removably couplable to the first ventilation lumen, the second ventilation lumen, or both, and configured to generate light when the illumination assembly is coupled to the tracheal tube and the tracheal tube is disposed in the airway of the patient.2. The intubation system of claim 1 , wherein the illumination assembly comprises a flexible circuit board having one or more light emitting diodes (LEDs) disposed thereon.3. The intubation system of claim 1 , wherein the illumination assembly comprises one or more illuminating devices ...

MAGNETIC ENHANCEMENT IN DETERMINATION OF PHYSIOLOGICAL BLOOD PARAMETERS

Systems and methods for measuring a physiological parameter of blood in a patient are provided herein. An example method includes establishing with a magnetic array, an first magnetic field along tissue of the patient inserted into the magnetic array and a second magnetic field perpendicular to the tissue, emitting optical signals into further tissue of the patient during at least a first alignment of the magnetic array around the tissue, detecting characteristics of the optical signals, and identifying a value of a physiological parameter based on at least the characteristics of the optical signals. 1. A system for measuring a physiological parameter of blood in a patient , the system comprising:a magnetic array configured to have tissue of the patient inserted therein and establish in the tissue an axial magnetic field and a radial magnetic field perpendicular to the axial magnetic field;an emitter configured to emit a first optical signal into the tissue during a first angular configuration between the emitter and the magnetic array, and emit a second optical signal into the tissue during a second angular configuration between the emitter and the magnetic array;a detector configured to detect characteristics of the first optical signal and the second optical signal; anda processing module configured to identify a value of a physiological parameter based on at least the characteristics of the first optical signal and the second optical signal.2. The system of claim 1 , wherein the magnetic array comprises a central hole configured to have the tissue of the patent inserted therein claim 1 , and wherein the axial magnetic field and the radial magnetic field are established within the central hole.3. The system of claim 1 , wherein the physiological parameter comprises a total hemoglobin parameter of the blood of the patient.4. The system of claim 1 , wherein the characteristics of the first optical signal and the second optical signal comprise an amplitude of the ...

METHOD AND SYSTEM FOR DETERMINING TRACHEAL AND LOCATION INFORMATION FOR A TRACHEAL TUBE

According to various embodiments, a tracheal tube may include signal sources for providing information at various locations on the tube or in an inflated cuff. The signals from the signal sources may be triangulated to determine the location of the tube in relation to a reference point on the body. The location information may provide an indication as to whether or not the tracheal tube is properly placed within the trachea. 1. A device for determining placement of a tracheal tube in a subject comprising: receiving triangulation information from a receiver, wherein the triangulation information comprises information related to triangulation between the receiver and a plurality of pressure transducers disposed on a tracheal tube; and', 'determining a placement parameter for the tracheal tube based upon triangulation information; and, 'a memory storing instructions fora processor configured to execute the instructions.2. The device of claim 1 , wherein the memory stores instructions for providing an indication of the placement parameter.3. The device of claim 1 , wherein at least one of the plurality of pressure transducers is disposed in an inflatable cuff of the tracheal tube.4. The device of claim 3 , wherein the memory stores instructions for receiving pressure information corresponding to the at least one pressure transducer from the receiver and determining an intracuff pressure based on the pressure information.5. The device of claim 1 , wherein at least one of the plurality of pressure transducers is disposed at or near a distal end of the tracheal tube.6. The device of claim 5 , wherein the memory stores instructions for receiving pressure information corresponding to the at least one pressure transducer from the receiver and determining a trachea pressure based on the pressure information. This application is a continuation of U.S. application Ser. No. 12/485,990 filed Jun. 17, 2009, the contents of which are hereby incorporated by reference in their ...

APPARATUS AND METHOD FOR MEASUREMENT OF PHYSIOLOGICAL PARAMETERS IN TISSUE OF A PATIENT

A system to optically measure a physiological parameter of tissue of a patient is provided. The system includes a tissue interface assembly configured to emit an optical signal into the tissue, receive a first measurement signal based on the optical signal propagating along a first path, receive a second measurement signal based on the optical signal propagating along a second path, and transfer the first measurement signal and the second measurement signal for delivery to a processing system. The processing system is coupled to the tissue interface assembly and configured to receive the first measurement signal and the second measurement signal, determine a phase delay between the first measurement signal and the second measurement signal based on a cross correlation analysis, and identify a value of the physiological parameter of the patient based on at least the phase delay between the first measurement signal and the second measurement signal. 1. A system to optically measure a physiological parameter of tissue of a patient comprising:a tissue interface assembly configured to emit an optical signal into the tissue, receive a first measurement signal based on the optical signal propagating along a first path, receive a second measurement signal based on the optical signal propagating along a second path, and transfer the first measurement signal and the second measurement signal for delivery to a processing system; andthe processing system coupled to the tissue interface assembly and configured to receive the first measurement signal and the second measurement signal, determine a phase delay between the first measurement signal and the second measurement signal based on a cross correlation analysis, and identify a value of the physiological parameter of the patient based on at least the phase delay between the first measurement signal and the second measurement signal.2. The system of claim 1 , wherein the processing system comprises:a receiver configured to ...

CERTIFICATION APPARATUS AND METHOD FOR A MEDICAL DEVICE COMPUTER

Provided herein are methods and apparatuses for certifying computers for use in conjunction with medical devices. These methods may be used in conjunction with a computer that includes software for operating the medical device. To certify a particular computer, one or more testing algorithms or routines for processing data, e.g., data representative of a typical output generated by use of the medical device on a patient, may be executed and the results may be compared to an expected result. In particular embodiments, the certification process may use data stored on the device itself to determine certification or may use data stored with or bundled with the software for operating the device. 1. A physiological sensor , comprising:a light emitter;a light detector;a memory element storing information representative of a measurement data output of the light detector and information related to one or more computer compatibility specifications; anda cable coupled to the light emitter and the light detector and configured to couple to a general purpose computer.2. The physiological sensor of claim 1 , wherein the information representative of the measurement data output is stored as an analog signal.3. The physiological sensor of claim 1 , wherein the sensor comprises a pulse oximetry sensor.4. The physiological sensor of claim 1 , wherein the memory element is disposed on or in the cable.5. The physiological sensor of claim 1 , wherein the information representative of the measurement data output is generated by a second detector not associated with the physiological sensor.6. The physiological sensor of claim 1 , wherein the information related to one or more computer compatibility specifications comprises software version information.7. The physiological sensor of claim 1 , wherein the cable is configured to couple to the general purpose computer via a USB connector.8. A system claim 1 , comprising:a sensor comprising a memory element storing first information related ...

Trachea pressure determination method and device

According to various embodiments, methods and systems for determining pressure in the lungs may employ intracuff pressure measurements. The intracuff pressure measurements may calibrated or adjusted based on a set of calibration coefficients or a set of calibration curves, which may reflect patient parameters and cuff/tube geometry factors. The resulting calibration may be used to determine a more accurate estimate of lung pressure, which in turn may be used to control a ventilator and provide breathing assistance to a patient. Also provided are tracheal tubes with couplers or other memory devices for storing calibration information. Such tubes may allow calibration at the level of an individual tracheal tube to account for changes in tube geometry and individual patient factors.

ILLUMINATION SYSTEMS AND DEVICES FOR TRACHEAL TUBES

Various embodiments of an intubation system include a tracheal tube and an illumination assembly that is removably couplable to a tubular body of the tracheal tube. The tracheal tube may be a double lumen tracheal tube having a first cuff that is adapted to be inflated to seal against the walls of a patient's trachea and a second cuff that is adapted to be inflated to seal against the walls of the patient's bronchial stem. The illumination assembly may have one or more illumination devices that are adapted to produce light within the patient's trachea, the patient's bronchial stem, or both when the illumination assembly is coupled to the tubular body. 1. An illumination system , comprising:an endoscope having a tubular body comprising a proximal end, a distal end, and a wall extending between the proximal end and the distal end, wherein the tubular body is configured to be inserted into a bronchial ventilation lumen; ["an illumination assembly, wherein the illumination assembly comprises one or more illumination devices configured to illuminate a patient's airway and a flexible circuit board; and", "an imaging device positioned distal to the illumination assembly, wherein the imaging device is configured to generate an image of the patient's airway."], 'a housing coupled to the wall of the tubular body, the housing comprising2. The illumination system of claim 1 , wherein the one or more illumination devices are disposed on the flexible circuit board.3. The illumination system of claim 1 , wherein the flexible circuit board is positioned about a circumference of the tubular body.4. The illumination system of claim 1 , wherein the flexible circuit board is positioned lengthwise along a length of the tubular body.5. The illumination system of claim 1 , wherein the illumination assembly comprises one or more heat dissipating and/or spreading pads configured to transfer heat from the one or more illuminating devices.6. The illumination system of claim 1 , wherein the ...

TURBOELECTRIC COAGULATION APPARATUS

An apparatus and method for removing contaminant species from water by electrocoagulation are described. Alternating grounded, rotating, planar circular electrodes and stationary planar electrodes function as a Tesla fluid pump when placed in contact with the contaminated water, causing the water to flow between the rotating and stationary electrodes. An insoluble abrasive material introduced into the water removes scale from the electrodes while the water is pumped thereby. A direct electric current is caused to flow between each pair of rotating and stationary electrodes, thereby producing electrocoagulation of the contaminants in the water flowing therebetween. The electrocoagulated materials may be separated from the treated water by filtration or by permitting the treated water to stand for a chosen period. 1. An apparatus for removing contaminants from contaminated fluid , comprising in combination:a container for holding a fluid;a first axle rotatably mounted in the container and supporting at least one first rotatable planar electrode, said at least one first rotatable planar electrode being substantially vertical;a first planar stationary electrode having a first opening, said first opening forming a first volume between said first axle and said first planar stationary electrode and permitting said first axle to pass through said first opening, said first planar stationary electrode being substantially vertical and parallel to said at least one first rotatable planar electrode, said at least one first rotatable planar electrode and said first planar stationary electrode being disposed in said fluid;a source of electrical current in electrical contact with said first planar stationary electrodes and said at least one first rotatable planar electrode effective for causing electrocoagulation of the contaminants in said fluid; anda motor coupled with said first axle at a chosen angular velocity such that said fluid is caused to pass through said first volume ...

MULTI-LUMEN TRACHEAL TUBE WITH VISUALIZATION DEVICE

The present disclosure describes systems and methods that utilize a multi-lumen tube with an integral visualization apparatus, such as a camera. The multi-lumen tracheal tube system may include a camera apparatus that is positioned to facilitate left or right bronchial intubation. In addition, the camera apparatus may be a unitary assembly that functions to hold and position the camera relative to the tube and provides an acceptable profile for comfortable intubation. The camera apparatus may include additional components, such as integral light sources and flushing or cleaning devices to remove any buildup from the camera or optical components. 1. A tracheal tube , comprising:a first ventilation lumen having a first distal end and a first proximal end;a second ventilation lumen adjacent to the first lumen, the second ventilation lumen having a second distal end and a second proximal end, and wherein the second ventilation lumen is longer than the first ventilation lumen; and a housing comprising a distal surface and a proximal surface; and', 'a camera associated with the housing, wherein the camera is oriented away from the proximal surface of the visualization device., 'a visualization device associated with the tracheal tube proximate to the first distal end of the first ventilation lumen, the visualization device comprising2. The tracheal tube of claim 1 , wherein the visualization device comprises a partial annulus that partially surrounds the first ventilation lumen or the second ventilation lumen.3. The tracheal tube of claim 1 , wherein the camera is disposed within a recess in the distal surface of the housing.4. The tracheal tube of claim 1 , wherein the housing conforms to the tracheal tube claim 1 , and wherein at least a portion of the housing is embedded within an outer wall of the first ventilation lumen.5. The tracheal tube of claim 1 , wherein the visualization device comprises at least one light emitting diode disposed on or in the distal surface ...

MEDICAL DEVICE TUBE HAVING A SUCTION LUMEN AND AN ASSOCIATED SUCTIONING SYSTEM

Various embodiments of a tracheal tube having a suction lumen are provided. For example, the suction lumen may be associated with two spaced apart pressure transducers, whereby a pressure drop between the transducers indicates that the suction lumen is free of blockages and a characteristic lack of pressure drop and/or particular pressure curve is indicative of a blockage. In addition, embodiments may include a tracheal tube with sensors configured to sense a buildup of secretions. The sensors may be located proximate to an opening in the suction lumen. In other embodiments, a blockage-clearing system for a suction lumen may be provided that blows air into the suction lumen to clear blockages. In particular, in certain embodiments, the blockage-clearing system may operate to create its own pressurized air source by utilizing the pressure change created in the suction line by a blockage. 1. A system , comprising: an inflatable cuff surrounding the conduit, wherein the inflatable cuff is configured to seal the airway;', 'a first suction lumen formed in a wall of the conduit and terminating in a first opening proximal to the inflatable cuff;', 'a first sensor disposed on the wall of the conduit between the inflatable cuff and the opening, wherein the first sensor is adjacent to the opening and configured to detect secretion build-up above the inflatable cuff;', 'a second sensor disposed on the wall of the conduit adjacent to the inflatable cuff and opposite the first sensor and the opening; and, 'a conduit having a proximal end and a distal end;'}, "a tracheal tube configured to be inserted into a patient's airway, wherein the tracheal tube comprises:"}a monitor communicatively coupled to the tracheal tube and comprising a processor configured to receive information from the first sensor and the second sensor, wherein the processor controls a vacuum system configured to suction the secretions based on the information.2. The system of claim 1 , wherein the first sensor ...

Illumination systems and devices for tracheal tubes

Various embodiments of an intubation system include a tracheal tube and an illumination assembly that is removably couplable to a tubular body of the tracheal tube. The tracheal tube may be a double lumen tracheal tube having a first cuff that is adapted to be inflated to seal against the walls of a patient's trachea and a second cuff that is adapted to be inflated to seal against the walls of the patient's bronchial stem. The illumination assembly may have one or more illumination devices that are adapted to produce light within the patient's trachea, the patient's bronchial stem, or both when the illumination assembly is coupled to the tubular body.

Air filter for medical ventilation equipment and the like

An inexpensive, bi-directional, low flow resistance air filter for medical ventilation equipment and the like includes a disposable shell possessing a cylindrical conduit terminating in an exponentially curved radially outwardly flaring surface. The exponentially curved construction minimizes dead space and hence also flow resistance Radially and axially spaced stepped annular surfaces connected by short axially extending cylindrical sidewall portions at a distal end of the shell function as coupling and sealing surfaces. A ring of adhesive applied adjacent a peripheral edge of an electret filter disk mounts the filter disk internally within the shell. An elastic retaining band detachably secures an equipment connection adapter to the shell, such that a technician may easily and quickly replace the shell and filter. The equipment connection adapter possesses clamping ring and coupling rim surfaces dimensioned in close conformance with the coupling and sealing surfaces of the shell to ensure a fluid tight connection. The filter assembly allows rapid replacement of contaminated filter components to protect patients from diseases caused by bacterial and viral microorganisms, while minimizing medical waste.

Sampling Circuit for Measuring Analytes

This disclosure describes an apparatus and method for measuring analytes in exhaled air. The device contains an inlet through which exhaled air is received. A tube, having a number of different paths running throughout the device, is coupled to the inlet which enables the exhaled air to be re-circulated through the device. At least one portion of the tube is configured in a non-linear fashion. This particular portion of the tube may be used to temporarily store a sample of the exhaled air. The device also contains a converter configured to partially convert an analyte in the exhaled breath from a first state to a second state as the exhaled air is being re-circulated. An analyte sensor is also included to measure the levels of the converted analyte in the exhaled breath.

Nitric oxide measurements in patients using flowfeedback

The present invention provides a method for measuring FeNO in a subject, wherein the FeNO data derived from a subject patient is normalized to compensate for variations of FeNO with flow rate.

Sampling circuit for measuring analytes

This disclosure describes an apparatus and method for measuring analytes in exhaled air. The device contains an inlet through which exhaled air is received. A tube, having a number of different paths running throughout the device, is coupled to the inlet which enables the exhaled air to be re-circulated through the device. At least one portion of the tube is configured in a non-linear fashion. This particular portion of the tube may be used to temporarily store a sample of the exhaled air. The device also contains a converter configured to partially convert an analyte in the exhaled breath from a first state to a second state as the exhaled air is being re-circulated. An analyte sensor is also included to measure the levels of the converted analyte in the exhaled breath.

Turboelectric coagulation apparatus

Tracheal tube with pressure monitoring lumen and method for using the same

According to various embodiments, methods and systems for determining pressure in the lungs may employ tracheal pressure measurements. The tracheal pressure measurements may be obtained through a pressure monitoring lumen associated with a tracheal tube. Such systems may include a purging or flushing mechanism to keep the pressure monitoring lumen free of any obstructions. The flushing mechanism may utilize fluids delivered through the pressure monitoring lumen at a predetermined point in the breathing cycle and/or at a predetermined pressure relative to the respiratory gases. The resulting pressure measurements may be used to determine a more accurate estimate of lung pressure, which in turn may be used to control a ventilator and provide breathing assistance to a patient.

Method and system for determining tracheal and location information for a tracheal tube

According to various embodiments, a tracheal tube may include signal sources for providing information at various locations on the tube or in an inflated cuff The signals from the signal sources may be triangulated to determine the location of the tube in relation to a reference point on the body. The location information may provide an indication as to whether or not the tracheal tube is properly placed within the trachea.

Turboelectric coagulation apparatus

An apparatus and method for removing contaminant species from water by electrocoagulation are described. Alternating grounded, rotating, planar circular electrodes and stationary planar electrodes function as a Tesla fluid pump when placed in contact with the contaminated water, causing the water to flow between the rotating and stationary electrodes. An insoluble abrasive material introduced into the water removes scale from the electrodes while the water is pumped thereby. A direct electric current is caused to flow between each pair of rotating and stationary electrodes, thereby producing electrocoagulation of the contaminants in the water flowing therebetween. The electrocoagulated materials may be separated from the treated water by filtration or by permitting the treated water to stand for a chosen period.

Supraglottic fixation device for endotracheal tubes

According to various embodiments, an endotracheal tube ventilating device with a sealing cuff includes an anchoring device. The anchoring device may be secured to the tube above the sealing cuff and extend outwardly from the tubular body. In addition, the anchoring device may be configured to be positioned completely within the hypopharynx of a patient, in contact with the piriform fossa and a laryngeal surface of the epiglottis without creating an airtight seal of the hypopharynx or the esophagus.

Turboelectric coagulation apparatus

Tracheal tube with multifunctional lumen

Various embodiments of a tracheal tube having a multifunctional lumen disposed in a tracheal tube wall are provided. Provided tracheal tubes include a ventilation lumen, through which bidirectional airflow may be established to and from a patient during operation, as well as a multifunctional lumen adapted to receive a variety of interchangeable medical devices. Embodiments of the provided tracheal tubes may provide for insertion or removal of a medical device from the multifunctional lumen without extubation of the tracheal tube from a patient.

Multi-lumen tracheal tube with visualization device

The present disclosure describes systems and methods that utilize a multi-lumen tube with an integral visualization apparatus, such as a camera. The multi-lumen tracheal tube system may include a camera apparatus that is positioned to facilitate left or right bronchial intubation. In addition, the camera apparatus may be a unitary assembly that functions to hold and position the camera relative to the tube and provides an acceptable profile for comfortable intubation. The camera apparatus may include additional components, such as integral light sources and flushing or cleaning devices to remove any buildup from the camera or optical components.

Tracheal cuff for providing seal with reduced pressure on the tracheal walls

According to various embodiments, a tracheal tube may include a cuff assembly that relies on mechanical pressure rather than inflation pressure to form a seal against a patient's trachea. Such cuff assemblies may include cone or umbrella-shaped structures that may form seals at substantially lower pressures than traditional inflation cuffs. One or more of such cuff assemblies may be used instead of or in addition to an inflation cuff to provide an improved seal.

Illumination systems and devices for tracheal tubes

Various embodiments of an intubation system include a tracheal tube and an illumination assembly that is removably couplable to a tubular body of the tracheal tube. The tracheal tube may be a double lumen tracheal tube having a first cuff that is adapted to be inflated to seal against the walls of a patient's trachea and a second cuff that is adapted to be inflated to seal against the walls of the patient's bronchial stem. The illumination assembly may have one or more illumination devices that are adapted to produce light within the patient's trachea, the patient's bronchial stem, or both when the illumination assembly is coupled to the tubular body.