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An airway and annular sealing technology, applied in the field of medical devices, can solve problems such as obstructed ventilation of patients, elasticity and size range of the epiglottis, blocked airway, etc.
Active Publication Date: 2016-08-24
ASHKAL DEV LTD
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However, these attempts have not fully resolved the problem of rotating
With external fixation, additional fixation of the device is required by the clinician, so this is not always possible
[0006] Also, there is another problem with current supraglottic airway devices, especially in airway type devices, where the epiglottis of the patient or sick animal can fold down inside the device, blocking the airway, which can obstruct patient ventilation
Downfolding of the epiglottis This problem occurs mainly in children and animal patients, who have a wide range of elasticity and size of the epiglottis
Method used
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[0061] Figure 1-8 The first embodiment of the airway device 10 of the present invention is shown. The airway device 10 has an airway tube 12 having a first end 14 and a second end 16 . A laryngeal cuff 18 surrounds first end 14 of airway tube 12 . The laryngeal cuff 18 has a back portion 20 and a front portion 22 . The front portion 22 is shaped to anatomically fit the laryngeal entrance of a human or animal patient for forming a seal against the patient's laryngeal entrance. The second end 16 of the airway tube 12 is connected to a connector 24 so that the second end 16 of the airway tube 12 can be connected to an associated gas bottle. The airway device 10 also has a shoulder 26 . The shoulder 26 serves to prevent over-insertion of the airway device 10 . The shoulder 26 is disposed transversely or perpendicular to the direction of air flow, ie, the airway tube 12 . The shoulder 26 is located above the neck 28 of the airway device 10 where the laryngeal cuff 18 can be ...
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Abstract
An airway device (10, 110, 210, 310, 410, 510) for human or animal use, the device having an airway tube (12, 112, 212, 312, 412, 512) having a first end (14, 114, 214, 314, 414, 514) with (16, 116, 216, 316, 416, 516) at the second end with a laryngeal cuff around the first end (18, 118, 218, 318, 418, 518 ), the laryngeal cuff comprises a dorsal portion (20, 120, 220, 320, 420, 520), an anterior portion (22, 122, 222, 322, 422, 522), and a tip portion (32, 132 , 232, 332, 432, 532), the front portion of the laryngeal cuff is formed to anatomically match the shape of the laryngeal entrance of the human or animal patient, which can seal the patient's laryngeal entrance, where the tip portion Contains an annular sealing projection (90, 190, 290, 390, 490, 590). This annular sealing projection is suitable for wedging into the upper esophagus of the patient or sick animal and for improving the sealing effect of the tip of the laryngeal cuff in the upper esophagus of the patient or sick animal. The annular sealing protrusion is preferably made of soft polymer or other plastic materials, with a Shore hardness of 40A to 000A. This annular sealing bulge provides a better seal for the very variable anatomy of the upper esophageal region.
Description
technical field [0001] The present invention relates to medical devices for safe airway devices. It finds application in supraglottic airway devices, including pharyngeal, tracheal and bronchial airway devices, and methods of making the same. The invention is also applicable to other types of devices that may involve the delivery of oxygen and / or anesthetic gases to patients or animals during surgical procedures or resuscitation by spontaneous breathing, assisted ventilation or intermittent positive pressure ventilation (IPPV). Background technique [0002] Various types of airway devices are currently available for spontaneous breathing or IPPV in anesthetized patients, or for resuscitative applications. The development of such devices has focused on ensuring optimal shape and material integration to allow for easy insertion of the devices and to increase the sealing pressure once inside the patient. This applies to both supraglottic airway devices, which require a seal i...
Claims
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Application Information
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