Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1996-03-07
1997-06-17
Millin, Vincent
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
12820629, 128DIG26, 12820026, A62B 700
Patent
active
056388110
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The invention concerns an anatomical intrabuccal respiratory mouthpiece; it relates more particularly to an anatomical respiratory mouthpiece for medical usage, for example for patients "suffering from respiratory insufficiency", that is to say patients who can no longer spontaneously ventilate, permanently or temporarily, whatever the cause, such as patients suffering from myopathy, tuberculosis, or else for treatments, by medicinal or nonmedicinal aerosols, of contagious diseases (HIV positive, etc.). It also concerns a respiratory mouthpiece for skin diving.
In the rest of the description, the invention will be described more particularly in its medical application.
STATE OF THE ART
To assist ventilation in those with respiratory insufficiency, a flattened conical device is in most cases inserted into their mouths, said device having, at one end, a first circular extrabuccal connection piece intended to be joined to the source of oxygen-enriched air, and a second intrabuccal connection piece whose outlet orifice is oblate and has a slight rim so that it can be held by the patient's teeth. Although very widely used, this device has many disadvantages, namely, in particular: during insufflation of air, said disadvantages necessitating an almost permanent monitoring of these patients.
To remedy these disadvantages, one might have considered equipping the intrabuccal end of this device with an appropriate orthesis. Unfortunately, this is not practicable, since the casting of the upper and lower maxillae, respectively, and mandibles, and the recording of the occlusion, are unfortunately not possible in view of the very serious condition of these patients.
Thus, despite the disadvantages mentioned hereinabove, the technique of the flattened device continues to be widely used.
In extreme cases, if this technique is not tolerated, or is rejected, it is necessary to proceed either with nasal intubations or with tracheotomy.
The document UK-A-699,950 describes a respiratory mouthpiece for patients who are to be subjected to electric shock treatment, said device including a molded part receiving the two jaws and intended to keep them apart. This device intended for a specific use (electric shocks) has a rigid tube which enters the mouth and covers a large part of the tongue, which causes considerable inconvenience. Moreover, it necessitates a mandibular overhang and cannot therefore be worn with comfort for a long period of time.
DESCRIPTION OF THE INVENTION
The invention overcomes these disadvantages. Its object is an intrabuccal respiratory device, in particular for patients requiring respiratory assistance, which is easy to manufacture, economical, does not have the disadvantages listed hereinabove, and can be put into place very easily, without having to take impressions or the like beforehand, irrespective of the condition or the configuration of the patient.
This anatomical intrabuccal respiratory mouthpiece which comprises two parts, namely: intended to be joined to the gas source, and a second intrabuccal connection piece whose outlet orifice is oblate; connection piece, including: the upper and lower vestibules, respectively; the rims and is arranged horizontally at the junction between the upper and lower parts, the thickness of said plane pad being slightly greater than that of the interocclusal gap of the jaws in the rest position; thickness of the vestibulo-lingual pad; direction is situated in front of the lower vestibular part.
In other words, in the case of a respiratory mouthpiece of the type in question, the invention consists, on the one hand, in providing a flexible orthesis with vertical vestibules and vertical lingual rims which are joined via a plane horizontal pad, and the implantation of the vestibules taking into consideration the average mandibular position in relation to the maxilla so as to avoid forward sliding of the mandible, and thereby to improve comfort, and, on the other hand, in ensuring that the oblate intrabuccal outlet orifice opens out into the plane
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patent: 4862903 (1989-09-01), Campbell
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patent: 5062422 (1991-11-01), Kinkade
Ferner H. & Staubesand J. `Sobotta Atlas d'Anatomie Humaine` 1985, Urban & Schwarzenberg, DE, Munchne see FIG. 302.
Deane, Jr. William J.
Millin Vincent
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