MXPA05013170A - Intubation device - Google Patents

Abstract

The present invention is a method of performing endotracheal intubation and a new and novel intubation device for performing the method. In a preferred embodiment of the invention, the intubation device comprises an endotracheal tube having a forward open end and a rearward open end and an inner bore there between. The endotracheal tube is provided with a fitting having a neck portion for inserting longitudinally within the first end and an adaptor for connecting to a respirator or other ventilating apparatus. A stylet is telescopingly positioned within the inner bore and extends outwardly from the forward open end and includes a longitudinally extending soft and flexible guide portion. The stylet is adapted to move outwardly from the forward open end of the endotracheal tube such that during insertion of the endotracheal tube into the trachea of the patient the guide portion is positioned within the trachea and operates to direct the endotracheal tube within the trachea.

Description

INTUON DEVICE DESCRIPTION OF THE INVENTION This invention relates to an intuon tube and more particularly, to a new and improved intuon device having a stylet for use in placing an endotracheal tube in the trachea of a patient. Intuon devices, such as oral-endotracheal tubes, are used in a wide variety of medical situations to provide an unobstructed conduit to a patient's trachea in which oxygen, medications and therapies can be passed. In most situations in which medical attention is needed, medical personnel will first determine the patient's ability to maintain their airway. Often these emergent assessments are performed by individuals who have inadequate training and knowledge in air passage management. The inability to secure an air passage and provide a ventilation path for someone whose air passage is threatened, compromised, or obstructed can quickly result in irreversible brain damage and death. The placement of an intuon device, such as an endotracheal tube, in the tracheobronchial tree of a patient is accessed through the nasal or oral opening. In some selected situations nasal intuon is indicated, however, the vast majority of the air passages are secured by the oral tracheal route. The placement of an endotracheal tube, however, is often found to be a difficult procedure, even by experienced, well-trained personnel. This difficulty can be attributed to the anatomical variations or the situation found in which the passage of air needs to be ensured. In addition, during the process of placing an endotracheal tube in the trachea of a patient, it is not uncommon that only minimal visualization of the laryngeal anatomy can be obtained thereby increasing the chances that esophageal intuon may occur. Thus, the ability to "blindly" place an endotracheal tube properly in a patient's trachea is directly proportional to the experience of the medical staff and the availability of additional intuon devices available. Endotracheal tubes are usually formed of soft or soft plastic materials, folding that increase in plasticity in warm humidified air, found when passing through the hypopharynx, thus increasing the difficulty of placing an endotracheal tube through the glottic opening. under the most optimal visualization. Forming the endotracheal tube of a stiffer material, however, is not an acceptable alternative because it can cause excessive trauma to the nasal or throat tissue since the larynx and surrounding mucosa is extremely sensitive to manipulation. This can result in significant swelling and decreased visualization, which avoids or hides tracheal oral intuon putting the patient's life with this in greater danger. To solve this problem, intuon devices often have a removable stylet formed of a material of some malleable shape that is telescopically placed within the endotracheal tube and has a sufficient amount of rigidity to be able to maintain the desired contour of the tubes and to assist in tracheal intuon. The stylet, which has gained the most acceptance for oral intuon is a "pre-bent" stylet formed of a rigid malleable material, such as rubber or metal coated with plastic. Typically, during the intuon process, the medical staff performing the process inserts the stylet into the endotracheal tube and bends one end of the stylet around the outer end of the tube. The tube and stylet are then molded to conform approximately to what is believed to be the path from the passage to the entrance of the larynx. With the help of a laryngoscope, the medical staff inserts the stylet and endotracheal tube into the patient's mouth and hypopharynx until it reaches the patient's windpipe. If it's necessary, after visualizing the hypopharynx, the tube and stylet can be removed and the contour adjusted if necessary. Unfortunately, it is difficult for medical personnel, even after extensive training, to predetermine the appropriate contour that the endotracheal tube must be molded for placement in the patient's trachea. Therefore, it is not uncommon to fail in the first attempt to intubate the patient. In such a case, the medical staff should then remove the patient's tube and stylet, adjust its contour, re-ventilate the patient, and reinsert the new fitted tube and stylet into the patient. Such removal and reattachment of the endotracheal tube and stylet result in valuable time loss and can also result in tissue damage from the patient's smooth air passage thereby significantly increasing the likelihood of loss of visualization of the anatomy of the larynx and the time for oxygen distribution. In addition, the sterility of the endotracheal tube can be sacrificed when the user holds the stylet to redouble the stylet in the appropriate contour. In order to solve some of the problems encountered with such intubation devices, mechanical guides have been developed to aid intubation of endotracheal tubes. It has been found that such mechanical guides are typically difficult to manipulate with one hand and do not allow for delicate control or provide the appropriate sensitivity necessary to intubate a patient quickly with a minimal amount of trauma to the sensitive tissue. Accordingly, such mechanical guidelines have not yet met with widespread commercial success or recognition in the medical field and the malleable or "predobaldo" stylet is still the predominant oral intubation aid used. In addition, such guides are also typically formed of materials that are rigid enough to maintain a desired contour. Accordingly, such guides have been found to cause trauma to sensitive tissue. Therefore, it is desirable to have an intubation device that can be easily and quickly inserted to form an unobstructed passage in the trachea of a patient in which oxygen, medications and therapies can be passed, reducing the likelihood of trauma to sensitive tissue. nasal or throat of the larynx and the surrounding mucosa, which reduces the chances of compromising the sterility of the device, and that can be relatively inexpensive to manufacture. The present invention is a method for performing endotracheal intubation and the new and novel intubation device to perform the method. In a preferred embodiment of the invention, the intubation device for use in medical intubation comprises an endotracheal tube having an open front end and an open rear end and an inner bore or bore therebetween. The endotracheal tube is provided with an attachment having a neck portion for inserting longitudinally into the open rear end and an adapter for connection to a ventilator or other ventilation apparatus. A stylet is slidably and telescopically positioned within the inner bore and includes a proximal end extending outwardly of the open rear end and the adapter and a distal end having a longitudinally extending soft semi-flexible guide portion. The stylet is adapted to slide or move away from the open front end of the endotracheal tube so that during insertion of the endotracheal tube the guide portion moves towards the larynx until it is placed inside the trachea. After this, the endotracheal tube slides or moves telescopically forward on the stylet and the guiding portion that operates to direct the endotracheal tube in the proper position within the trachea. The stylet can then be removed by pulling the stylet back through the open back end of the endotracheal tube and attachment. The endotracheal tube can then be attached to a ventilator or other ventilation device using the adapter. In another preferred embodiment of the invention, the endotracheal tube is provided with an inflatable bag or balloon that when inflated prevents the venting gas that flows through the endotracheal tube from escaping out of the trachea. In another preferred embodiment of the invention, the stylet is formed of a metal bar or semi-flexible wire. In another preferred embodiment of the invention, the semi-flexible metal rod is formed of copper. In another preferred embodiment of the invention, the metal bar is coated by a soft and foldable plastic, such as a polyethylene material. In another preferred embodiment of the invention, the stylet is taper to minimize the tip formed between the open front end of the endotracheal tube and the stylet. In another preferred embodiment of the invention, the open front end of the endotracheal tube includes a rim to minimize the ridge formed between the leading end of the endotracheal tube and the stylet. In another preferred embodiment of the invention, the endotracheal tube includes an inner sleeve adapted to receive the stylet to allow the endotracheal tube and stylet to be bent into a desired contour with greater unity. In another preferred embodiment of the invention, the intubation device of the present application further comprises means for inducing curvature of the endotracheal tube and the stylet. In another preferred embodiment of the invention, the stylet includes a longitudinally extending hollow core having a proximal open end and a distal open end adapted to be connected to a standard oxygen supply. In another preferred embodiment of the invention, the stylet includes an effective chemiluminescent light to aid in intubation of the patient. In a preferred embodiment of the invention, the method for performing endotracheal intubation of a patient, the method comprises the steps of first inserting an endotracheal tube and a stylet of an intubation device through a patient's mouth and below. the throat to the larynx. The stylet then slides or moves out of the endotracheal tube so that the soft semi-flexible guide portion of the stylet enters the trachea. The stylet then operates to direct the endotracheal tube in the proper position within the trachea. The stylet is then removed through the open back end of the endotracheal tube and the endotracheal tube is then attached to a ventilator or other ventilation apparatus. In another preferred embodiment of the invention, the curvature of the stylet is adjusted to a desired contour for insertion into the trachea of the patient. In another preferred embodiment of the invention, the stylet having a chemiluminescent light is bent to activate the chemiluminescent light. In another preferred embodiment of the invention, an inflatable bag or balloon is inflated to prevent venting gas flowing through the endotracheal tube from leaking out of the trachea. Other advantages of the invention will be apparent from the following description, the accompanying drawings and the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS In order to provide a more complete understanding of the present invention and additional features and advantages thereof, reference is now made to the following description taken in conjunction with the accompanying drawings, in which: FIGURE 1 is a partial view showing the oral passage of a patient for gas exchange between the lungs and the external atmosphere and showing the intubation device of the present invention partially inserted; FIGURE 2 is a side view of the intubation device of FIGURE 1; FIGURE 3 is a side view of the intubation device of FIGURE 1 showing the stylet in its unprotected position within the endotracheal tube; FIGURE 4 is a sectional view of the intubation device of FIGURE 1 with the stylet placed in its protected position within the endotracheal tube and showing the stylet and the soft and foldable plastic sleeve; FIGURE 5 is a partial view showing the oral intubation of a patient using the intubation device of the present invention with the stylet in its extended position within the trachea; FIGURE 6 is a partial view showing the oral intubation of a patient using the intubation device of the present invention with the endotracheal tube inside the trachea and the inflated inflatable bag to prevent the venting gas flowing through the trachea. endotracheal tube leaking out of the trachea; FIGURE 7 is a sectional view of another preferred embodiment of the invention showing the inner wall of the endotracheal tube having an inner sleeve adapted to receive the stylet; FIGURE 8 is a partial view of another preferred embodiment of the invention showing the endotracheal tube and stylet in its unprotected position and having a taper to minimize the ridge formed between the open front end of the endotracheal tube and the stylet; FIGURE 9 is a front end view of the stylet of FIGURE 8; FIGURE 10 is a partial view of another preferred embodiment of the invention showing the open front end of the endotracheal tube having a rim to minimize the rim formed between the open front end of the endotracheal tube and the stylet; FIGURE 11 is a sectional view of another preferred embodiment of the invention showing the stylet having a hollow core extending longitudinally; and FIGURE 12 is a partial side view of the stylet guide portion showing the chemiluminescent light. The present invention relates to a method for performing endotracheal intubation and a new and novel intubation device for performing the method. In describing the preferred embodiments of the invention illustrated in the drawings, the specific terminology will be classified for clarity. However, the invention is not intended to be limited to the specific terms of this selected form, and it will be understood that each specific term includes all technical equivalents that operate in a similar manner to achieve a similar purpose. For purposes of the description of the present invention, the terms "forward" and "forward" are intended to refer to the forward direction of the patient receiving the intubation device, while the terms "posterior" and "backward" they are intended to refer to the direction away from the patient receiving the intubation device. With reference to FIGURE 1, a partial cross section of a patient P is shown illustrating mouth 2, epiglottis 4, nasopharynx 6, esophagus 8 which operates to transfer food to the stomach (not shown), larynx 10, and the trachea 12 which operates to provide a passage for the exchange of gases between the lungs (not shown), the alveoli (not shown), and the outer atmosphere A. With reference to FIGURE 2, the intubation device 100 of the present application is shown to comprise an elongate endotracheal tube 102 having a rear open end 104 and a front open end 106 having a longitudinal hole 108 therebetween. The endotracheal tube 102 is formed of a flexible, semi-rigid, soft plastic material such as, but not limited to, a polyethylene, a polypropylene, or similar material. The lower front end of the endotracheal tube 102 includes one or more inflatable bags or balloons 110 that are attached to an air device through an air line 112 so that when the bag 110 is inflated it operates to prevent the venting gas which flows through the endotracheal tube 102 escapes out of the trachea 12 of the patient P. A portion of the air line 112 is preferably placed within the wall 110 of the endotracheal tube 102 and provides flow communication between the bag 110 and an external air source (not shown). The rear end 114 of the air line 112 is provided with a flow valve 116 to allow a syringe (not shown) or other inflation device to be placed in flow communication with the air line 112 to inject a predetermined amount of air. air in the bag 110. The rear open end 104 of the endotracheal tube 102 is provided with an accessory 118 having a neck portion 120 for inserting longitudinally into the rear open end 104 and an adapter 122 for connection to a respirator or other respiratory device. ventilation or oxygen supply, anesthesia supply, or some other medical gas supply. With reference to FIGURES 2, 3 and 4, telescopically placed within the endotracheal tube 102 is an elongated stylet 124 which is formed of a semi-flexible material that can be bent relatively easily in a desirable contour, such as an AWG 6-14 copper wire of a circular cross-section or some other suitable material that can be bent into a desired contour and rigid enough to support and help maintain the endotracheal tube 102 in a desired contour. The stylet 124 includes a sleeve 126 of soft, collapsible plastic formed from a plastic, such as a polyethylene, polypropylene, polyvinyl chloride, or the like, or a rubber composition. The sleeve 126 covers the entire length of the stylet 124 and extends longitudinally outwardly of the front end of the stylet 124 to form a soft, flexible and malleable guide portion 128. The trailing end of the stylet 124 extends longitudinally outwardly through the endotracheal tube 102 and the fitting 118 so that medical personnel can easily grasp the end of the stylet 124 during the intubation procedure. In a preferred embodiment of the invention, the trailing end of the stylet 124 may be curved or loop-shaped, as shown, or have a larger cross-section, or may include a collar or handle to provide a better grip surface for the medical staff. Preferably, the leading end of the endotracheal tube 102 and the stylet 124 are round or tapered to minimize tissue trauma to the patient's air passage during insertion. With reference to FIGURES 1, 5, and 6, in operation, the intubation device 100 is first bent into the desired contour (stage 1) that the medical personnel believes to approximate what is believed to conform to the air passage of the patient. patient towards the trachea 12. The intubation device 100 is then inserted into the mouth 2 of the patient (step 2) so that the endotracheal tube 102 together with the stylet 124 moves behind the epiglottis 4 past the esophagus 8 (FIGURE 1 ) and towards the larynx 10. In order to assist in the insertion of the endotracheal tube 102 and to avoid trauma to the sensitive throat tissue, after the front end of the intubation device 100 approaches the larynx 10, the medical personnel moves the stylet 124 forward so that the guide portion 128 moves longitudinally outwardly of the endotracheal tube 102 and forwardly toward and through the larynx 10 and into the trachea 12 (step 3) (FIGURE 5). It should now be apparent to those skilled in the art that by reducing the risk of tissue trauma often encountered with the first insertion of an endotracheal tube 102 into a patient's trachea 12, swelling of the tissue around the patient is minimized. trachea 12 allowing medical personnel an unobstructed view of larynx 10. After guide portion 128 of stylet 124 has been properly inserted into trachea 12, endotracheal tube 102 slides telescopically or moves forwardly along of stylet 124 and guide portion 128 through larynx 10 and in position within trachea 12 (step 4) (FIGURE 6). Once the endotracheal tube 102 is in place within the trachea 12, air is injected through the flow valve 116, such as by a syringe, to inflate the bag 110 (step 5). The inflated bag 110 which operates to provide a seal to remove any gas that is provided by the endotracheal tube 102 passes back through the larynx 10. The medical staff can then remove the stylet 124 (step 6) by retracting the portion 128. guideway back out of the larynx 10 and out through the rear open end 104 and the fitting 118. The endotracheal tube 102 can then be connected using the adapter 122 to a ventilator or other oxygen supply or ventilation apparatus, a supply of anesthesia, or some other medical gas supply. After use, the endotracheal tube 102 can be removed by first releasing air from the bag 110 upon opening the flow valve 116 and by slowly withdrawing the endotracheal tube 102. The intubation device 100 is disposable and can be discarded after use.

It should be understood that endotracheal tube 102 and stylet 124 may have a predetermined curvature to aid in the easy and rapid insertion of intubation device 100. For example, as shown in FIGURE 2, endotracheal tube 102 and stylet 124 may have a first curvature, as shown in Cl, and a second curvature, as shown in C2. It should now be understood by those skilled in the art, however, that the endotracheal tube 102 and the stylet 124 can be formed in a variety of curvatures or be molded by hand to a desirable curvature. It should also now be understood by those skilled in the art that during the insertion process, if necessary, the stylet 124 can be removed and its contour adjusted and reinserted into the endotracheal tube 102 thereby adjusting its contour. Now with reference to FIGURES 3 and 7, a rear end sectional view of the other embodiment of the intubation device 100 of the present application is shown whereby the endotracheal tube 102 includes an inner sleeve 130 (not shown in FIGURE 3). ) which runs longitudinally along the inner wall 132 of the endotracheal tube 102 and is adapted to receive the stylet 124. In operation, the endotracheal tube 102 and the stylet 124 operate as previously described, but should now be evident to those with It is known in the art that the placement of the stylet 124 within the inner sleeve 130 will allow the endotracheal tube 102 and the stylet 124 to be bent into a desired contour with greater unity. In this way, the endotracheal tube 102 can be bent more easily and maintained in the desired contour. It should be understood that the inner sleeve 130 may be a single unitary sleeve or may be formed of a plurality of trims and the like. With reference to FIGURES 8 and 9, as shown, the stylet 124 is shown in its unprotected position. It should now be understood by those skilled in the art that during insertion of the intubation device 100, sharp edges can result in trauma to the sensitive tissue. Accordingly, it is desirable to minimize the flange 132 formed between the endotracheal tube 102 and the stylet 124 when the stylet is in its unprotected position. In a preferred embodiment of the invention, the diameter of the front end of the stylet 124 decreases in a forward direction toward the guide portion 128 that forms a taper portion 134. As shown, when the stylet 124 extends in its unprotected position, the taper operates to minimize the flange 132 formed between the front open end 106 of the endotracheal tube 102 and the stylet 124. It should also be understood that the taper portion 134 also it can be formed by providing the guide portion 128 with an expandable portion so that when it expands, such as by air that is directed downwardly through the stylet 124, it tapers the front end of the stylet 124. Referring to FIGURE 10, Another preferred embodiment of the invention is shown whereby the front open end 106 of the endotracheal tube 102 includes and the thin plastic or rubber membrane 136 that forms a collar 138 around the stylet 124. As shown, the collar 138 operates for minimize the rim 132 formed between the endotracheal tube 102 and the stylet 124. With reference to FIGURES 1 and 11, a rear end view of another The embodiment of the present invention is shown whereby the stylet 124 has a longitudinally extending hollow core 140 running the entire length of the stylet 124 having a first rear open end 142 and a second open front end (not shown). The first end 142 of the stylet 124 is adapted to be connected to a standard oxygen supply (not shown) for ventilation. During the operation, once the stylet 124 is inserted into the trachea 12, the oxygen can be immediately delivered to the patient P. The endotracheal tube 102 can then move telescopically over the stylet 124 and into the trachea 12. The stylet 124 can then be removed. It should be apparent to those skilled in the art that the ability to inject oxygen through the stylet 124 can provide critically needed oxygen to the patient in case the insertion of the endotracheal tube 102 encounters unexpected obstruction or resistance. It should now be apparent to those skilled in the art that the intubation device of the present application can be easily adapted to accommodate various other mechanisms known in the art to aid in intubation of a patient, a mechanism shown and described in the patent. No. 5,259,377 and is incorporated herein by reference so that the intubation device includes a mechanism comprising a flexible member positioned within the endotracheal tube that is operated by a manual means to induce curvature of the endotracheal tube and stylet. Another mechanism is shown and described in US Patent No. 6,539,942 and is incorporated herein by reference whereby a control wire and handle are provided to bend the endotracheal tube and the stylet. It should be understood, however, that mechanisms to help induce curvature of the endotracheal tube and stylet are not limited to the previous examples. In another preferred embodiment of the method of the present application, once the endotracheal tube 102 has been partially inserted into the patient air passage P, if the medical staff finds that the endotracheal tube 102 and the stylet 124 do not have the proper contour , can be adjusted in the desired contour by means of the adjustment mechanism. It should also be understood that the endotracheal tube 102 can remain inserted in the air passage of the patient P and the stylet 124 be removed and its contour adjusted to a desired configuration and reinserted back into the endotracheal tube 102 to adjust its contour in the desired configuration. With reference to FIGURES 1 and 12, another preferred embodiment of the invention is shown so that within the guide portion 128 of the stylet 124 is a bottle 146 preferably formed of a collapsible plastic, having a glass liner 148 containing a liquid reagent 150 which produces chemiluminescent light, such as bis (2,4,4-trichloro-6-carbopentoriphenyl) oxalate and a fluorescent element in fibutyl phthalate. Placed inside the bottle 146 is a sealed glass vial 152 having an oxidizer 154, such as 85 percent of a solution of hydrogen peroxide in dimethyl phthalate and a catalytic amount of the catalyst, such as sodium salicylate. In operation, prior to the insertion of the intubation device 100, the medical staff activates the chemiluminescent light by bending or pressing the guide portion encompassing the bottle 146 so that the glass vial 152 breaks to allow the oxidizer 154 to mix with reagent 150 thereby producing chemiluminescent light. In this way, direct illumination of the larynx 10 and trachea 12 will be obtained. Although the intubation device and the method of the present invention have been shown and described as being inserted into the patient's air passage through the mouth, it must now be understood that the intubation device can also be inserted through the nose. of the patient. It should now be apparent to those skilled in the art that the intubation device of the present application can be inserted quickly and easily to form an unobstructed conduit in the trachea of a patient in which oxygen, medicaments and therapies can be passed. It should now also be apparent to those skilled in the art that the intubation device eliminates or reduces the problems typically associated with inductors having conventional metal stylets or the like because the soft guide portion, flexible and malleable that reduces the likelihood of trauma to the sensitive tissue of the throat. It should now also be apparent to those skilled in the art that the intubation device of the present invention minimizes the ridge formed between the endotracheal tube and the stylet thereby reducing the likelihood of trauma to the sensitive tissue. In addition, the intubation device of the present application reduces the chances of compromising the sterility of the device, and that it can be relatively inexpensive to manufacture. It should now also be apparent to those skilled in the art that the intubation device is relatively easy to manipulate with one hand and allows the delicate control and sensitivity necessary to intubate a patient quickly with a minimal amount of trauma to the sensitive tissue. Although the above invention has been described in some detail for purposes of clarity of knowledge, it will be apparent that certain changes and modifications may be practiced within the scope of the appended claims. Furthermore, it should be noted that there are alternative ways of implementing the method and article to implement the method of the present invention. Accordingly, the present embodiments and examples will be considered as illustrative and not as restrictive, and the invention will not be limited to the details given herein, but may be modified within the scope and equivalents of the appended claims.

Claims (20)

1. CLAIMS 1. An intubation device for use in medical intubation of a patient characterized in that it comprises: an endotracheal tube having an open front end and an open rear end and an inner hole or perforation therebetween; an adapter to connect to a respirator or other ventilation device; and a stylet slidably positioned within the inner bore and having a trailing end, a leading end, and a longitudinally extending flexible guide portion; wherein, the stylet is adapted to move outwardly from the open end of the endotracheal tube so that during insertion of the endotracheal tube into the trachea of the patient, the guide portion can be placed within the trachea to operate to direct the endotracheal tube in the proper position inside the trachea. The intubation device according to claim 1, further characterized in that it comprises at least one inflatable bag for inflating and preventing the venting gas flowing through the endotracheal tube from escaping out of the trachea. 3. The intubation tube according to claim 1, characterized in that the stylet is formed of a semi-flexible metal bar. 4. The intubation tube according to claim 1, characterized in that the stylet is formed of a copper rod. 5. The intubation device according to claim 1, characterized in that the stylet further comprises a soft and foldable plastic sleeve. The intubation device according to claim 1, characterized in that the stylet comprises a tapered portion effective to reduce the ridge formed between the endotracheal tube and the stylet. The intubation device according to claim 1, characterized in that the endotracheal tube comprises an effective collar for reducing the ridge formed between the endotracheal tube and the stylet. The intubation device according to claim 1, further characterized in that it comprises means for adjusting the contour of the endotracheal tube and the stylet while it is inserted into the patient. 9. The intubation device according to claim 1, further characterized in that it comprises an effective chemiluminescent light for illumination of the patient's larynx and trachea. 10. An intubation device for use in 6 medical intubation of a patient characterized in that it comprises: an endotracheal tube having an open front end and an open rear end and an inner hole between them, the endotracheal tube is formed of a plastic material, semi-rigid, soft; a semi-flexible stylet positioned within the inner bore and having a trailing end, a leading end, and a longitudinally extending flexible guiding portion, the guiding portion is formed of a soft and flexible material; wherein the stylet is effective to place and maintain the endotracheal tube in a desired contour; wherein, the stylet is adapted to move out of the open end of the endotracheal tube so that during insertion of the endotracheal tube into the trachea of the patient, the guide portion can be placed within the trachea to operate to direct the endotracheal tube in the proper position inside the trachea. The intubation device according to claim 10, characterized in that the stylet further comprises a soft and foldable plastic sleeve. The intubation device according to claim 10, characterized in that the stylet comprises a tapered portion effective to reduce the ridge formed between the endotracheal tube and the stylet. The intubation device according to claim 10, characterized in that the endotracheal tube comprises an effective collar for reducing the ridge formed between the endotracheal tube and the stylet. 14. The intubation device according to claim 10, further characterized in that it comprises means for adjusting the contour of the endotracheal tube and the stylet while it is inserted into the patient. 15. The intubation device according to claim 10, further characterized by comprising an effective chemiluminescent light for illumination of the patient's larynx and trachea. 16. A method for intubation of a patient using an intubation device having an endotracheal tube and a stylet, the stylet has a flexible guide portion, the method is characterized in that it comprises the steps of: folding the endotracheal tube and the Stiletto in the desired outline; inserting the intubation device into the air passage of the patient so that the endotracheal tube together with the stylet moves towards the larynx; moving the stylet forward so that the guide portion moves longitudinally out of the endotracheal tube and into the trachea; and moving the endotracheal tube along the stylet and the guide portion and in position within the trachea. The method according to claim 16, further characterized in that it comprises the steps of inflating the bag to form the seal and removing the stylet by retracting the guide portion of the trachea away from the trailing end of the endotracheal tube. 18. The method according to claim 16, further characterized in that it comprises the step of adjusting the endotracheal tube in a desired contour while the endotracheal tube is placed within the air passage of the patient. The method according to claim 16, further characterized in that it comprises the step of injecting oxygen into the patient through an opening in the stylet. The method according to claim 16, further characterized in that it comprises the step of activating a chemiluminescent light to direct illumination of the larynx and the trachea.