Abstract: An endotracheal tube has a curved tube body and an oblique cutting surface. The curved tube body has a front end, and the curved tube body has a center axis, an inner axis and an outer axis. The oblique cutting surface has a tip, and the oblique cutting surface is located at the front end and has the following characteristics: the oblique cutting surface has a circular projection surface in the vertical plane and a tip projection point on the circumference of the circular projection surface, the inner axis has an inner axis projection point on the circumference of the circular projection surface, and the tip projection point and the inner axis projection point have an angle ?, where 15°<?<45°.

Abstract: An endotracheal tube has a tip. An endotracheal intubation system has a first camera, a blade, a second camera, and a display. The blade has a camera accommodation, a passage, and a guiding portion. The first camera is situated in the camera accommodation for capturing a first image. The passage has a side surface and a top surface. The guiding portion is the junction of the side surface and the top surface. The second camera is for capturing an image of the guiding portion when the endotracheal tube moves along the passage and is situated within the endotracheal tube. The display is electrically connected with the first camera and the second camera for displaying the first image and the image of the guiding portion to ensure that the tip of the endotracheal tube moves along the guiding portion when the endotracheal tube moves along the passage.

Abstract: A laryngoscope with a blade, a camera, a display and a guiding stylet is disclosed. The blade has a camera accommodation portion, an endotracheal tube passage and a guide channel. The camera is situated in the camera accommodation portion and electrically connected with the display. The guiding stylet is situated inside an endotracheal tube and has a guiding unit which is detachably situated within the guide channel and moves relative to the guide channel.

Abstract: A flexible bar-shaped camera is applied to an intubation device and placed inside an endotracheal tube. The intubation device has a display screen. The flexible bar-shaped camera includes a main body. The endotracheal tube has a tube front end and a first curved end. The main body has a camera end, a connecting end, and a second curved end. The camera end is located at the second curved end. After the flexible bar-shaped camera is placed inside the endotracheal tube, the second curved end touches the tube front end, and the second curved end situates in the first curved end, such that the camera end is parallel to the display screen.

Abstract: An artificial oral airway, an esophageal blocker, and a pharyngeal airway assembly are disclosed. The artificial oral airway includes a main body and an airway. The airway penetrates the main body, and the main body has a body front end. The esophageal blocker is slidably connected to the artificial oral airway and penetrates the main body to contact the esophagus of a patient. The esophageal blocker has an opening portion, an esophageal blocking portion, and a slice body. The opening portion touches the body front end, and the esophageal blocking portion is used for blocking the esophagus of the patient. The slice body is used for connecting the opening portion and the esophageal blocking portion.

Abstract: A tracheal intubation device for placing an endotracheal tube in the trachea of a patient includes a bar-shaped camera, a handle portion, a guiding portion, and a display device. The bar-shaped camera for capturing images is placed inside the endotracheal tube. The display device is electrically connected to the bar-shaped camera for displaying images captured by the bar-shaped camera. The guiding portion connected to the handle portion has a front end and a rear end. The rear end is connected to the handle portion, and the bar-shaped camera and the endotracheal tube are movably situated in the guiding portion.

Abstract: A tracheal intubation device for placing an endotracheal tube in the trachea of a patient includes a bar-shaped camera, a handle portion, a guiding portion, and a display device. The bar-shaped camera for capturing images is placed inside the endotracheal tube. The display device is electrically connected to the bar-shaped camera for displaying images captured by the bar-shaped camera. The guiding portion connected to the handle portion has a front end and a rear end. The rear end is connected to the handle portion, and the bar-shaped camera and the endotracheal tube are movably situated in the guiding portion.

Abstract: An artificial oral airway, an esophageal blocker, and a pharyngeal airway assembly are disclosed. The artificial oral airway includes a main body and an airway, wherein the airway penetrates the main body and the main body has a body front end. The esophageal blocker is slidably connected to the artificial oral airway and penetrates the main body to contact the esophagus of a patient. The esophageal blocker has an opening portion, an esophageal blocking portion, and a slice body, wherein the opening portion touches the body front end, and the esophageal blocking portion is used for blocking the esophagus of the patient. The slice body is used for connecting the opening portion and the esophageal blocking portion.

Abstract: A laryngeal mask for covering an opening of the larynx and touching an opening of the esophagus of a patient is disclosed. The laryngeal mask has a tube and a mask portion, wherein the tube has a first end. The mask portion has an upper surface, a front end, and an esophageal blocking portion, wherein the upper surface connects to the first end; the esophageal blocking portion is situated at the front end. When the laryngeal mask is being placed into the patient's pharynx, the esophageal blocking portion moves along bilateral sides of the esophagus and blocks the opening of the esophagus such that the opening of the larynx is properly covered by the laryngeal mask.

Abstract: A laryngoscope a handgrip, a blade, and an image-capturing unit for capturing an image. The blade is connected to the handgrip, and the image-capturing unit is movably secured on the blade. In use, users may adjust the view of the laryngoscope by moving the image-capturing unit.

Abstract: A tracheal intubation device for placing an endotracheal tube in the trachea of a patient is disclosed. The tracheal intubation device includes a bar-shaped camera, a handle portion, a guiding portion, and a display device. The bar-shaped camera for capturing images is placed inside the endotracheal tube. The display device is electrically connected to the bar-shaped camera for displaying images captured by the bar-shaped camera. The guiding portion connected to the handle portion has a front end and a rear end, wherein the rear end is connected to the handle portion, and the bar-shaped camera and the endotracheal tube are movably situated in the guiding portion.

Abstract: A tracheal intubation device includes a handle portion, a display unit, a bar-shaped camera, and a guiding portion. The display unit is electrically connected to the bar-shaped camera. The bar-shaped camera is used for capturing images and includes a camera rear end and a camera front end. The camera rear end is electrically connected to the display unit for displaying images captured by the bar-shaped camera. The camera front end has a bended portion. The guiding portion includes a front end and a rear end, wherein the front end is detachably connected to the handle portion. The guiding portion is used for accommodating the bar-shaped camera and the endotracheal tube to allow the bar-shaped camera and the endotracheal tube to move within the guiding portion.

Abstract: The clip device is used for clipping a laryngeal mask airway. The laryngeal mask airway includes a gas filled portion and a tube portion. The clip device includes a first clip unit and a second clip unit. The second clip unit is connected to the first clip unit. The gas filled portion can be clipped between the first clip unit and the second clip unit.

Abstract: A laryngeal mask airway installation kit includes a laryngeal mask airway having a gastric access tube and includes a stylet capable of being inserted into the gastric access tube from the inlet end. When bent, the stylet changes the original shape of the laryngeal mask airway, thus facilitating the installation of the laryngeal mask airway.

Abstract: A stylet with a camera device is disclosed, which is used along with an endotracheal tube. The stylet with a camera device comprises: a tube body, placed in the endotracheal tube, the tube body having a front end and a rear end, the rear end of the tube body having a bending part; an image capturing unit, used for capturing an image, the image capturing unit being connected to the front end of the tube body; a display unit, used for displaying the image, the display unit being connected to the bending part, and the display unit being electrically connected to the image capturing unit, wherein the display unit is located in a rear side of the endotracheal tube; and an operating member, connected to the rear end or the display unit, wherein the operating member allows a user to apply force so as to make the front end of the tube body protrude from one end of the endotracheal tube.

Abstract: A laryngeal mask airway includes a flexible tubular portion, an inflatable sealing cuff, an inflation tube, and a belt. The flexible tubular portion has a first opening part and a second opening part. The inflatable sealing cuff is disposed surrounding the first opening part. The inflation tube has one end connected to the inflatable sealing cuff and the other end for directing gas into the inflatable sealing cuff. The belt is secured on the first opening part. Moreover, an operating piece controls the laryngeal mask airway, and a gas supply kit includes the laryngeal mask airway.