Device for catheterization of the auditory tube and the method of its use

 

The invention relates to medicine, namely to otorhinolaryngology. Device for catheterization of the auditory tube consists of a tube of cylindrical shape, one end of which is bent in the form of a beak. The tube has malorazmernyj diameter, an inner metallic conductor of smaller length, the system and the outside air cuff made on the border with its beak. The other end of the tube is bent open coil, in the form of a ring and put a straight section in the direction of curvature of the beak attached to the Shoe of the syringe. The tube is made of polymer. Method of catheterization of the auditory tube includes an introduction device for catheterization of the auditory tube beak to the posterior wall of the nasopharynx through the bottom of the bow, turning beak towards the opposite ear at 90° before contact with the rear edge of the septum of the nose, expanding the device beak to the patient ear to 180° and the installation of the beak in pharyngeal mouth of the auditory tube. At the time of supply and installation in pharyngeal mouth of the auditory tube through the device serves tonal sound signal. Move the bill in the auditory tube, curving design for the ring and inflating the outer air sleeve, control the position of the device p. the security device, check the correct orientation of the beak device in pharyngeal mouth of the auditory tube. 2 AD. and 1 C.p. f-crystals, 1 Il.

The invention relates to medicine, namely to otorhinolaryngology.

A device for catheterization of the auditory tube (1), consisting of a tube of cylindrical shape with a bend on one end, ending in a beak, and by extension, socket, on the other, on the outer surface of which there is fixed a ring from the same material.

The known method of catheterization of the auditory tube, which consists in the introduction of devices for catheterization of the auditory tube (ear catheter) beak down to the posterior wall of the nasopharynx through the bottom of the bow, turning beak towards the opposite ear at 90° before contact with the rear edge of the septum of the nose, the deployment catheter to a patient ear to 180°, focusing ring of the bell mouth to the outer corner of the eye socket and install a beak in the pharyngeal mouth of the auditory tube.

The drawbacks are the high stiffness and permanent significant internal lumen, the lack of pads for attachment of a syringe.

The disadvantages of the method are the instability of the Sabbath.

The proposed device for catheterization of the auditory tube, consisting of a cylindrical tube and rings, characterized in that the tube has a cylindrical shape has malorazmernyj diameter, an inner metallic conductor of smaller length, the outer air sleeve, a block for attaching a syringe, ring in the form of a coil and the system.

A method of catheterization of the auditory tube, which consists in the introduction of devices (ear catheter) omitted by the beak to the posterior wall of the nasopharynx through the bottom of the bow, turning beak towards the opposite ear at 90° before contact with the rear edge of the septum of the nose, the deployment catheter beak to the patient ear to 180° and install a beak in the pharyngeal mouth hearing (Evstafieva) pipe, characterized in that at the time of supply and installation in pharyngeal mouth of the auditory tube through the device serves tonal sound signal, move the bill in the auditory tube, curving design for the ring and inflating the outer air sleeve, control the position of the device on the maximum intensity of the auditory sensations of the sound signal.

The drawing shows bill 1, ring 2, a linear plot 3, block 4, an inner metal the century The exterior of the device is made of polymeric hollow tube, one end of the second curved in the form of bill 1. The other end of the curved open-loop coil in the opposite direction and decorated ring 2 and displayed a linear plot 3 (in the direction of curvature of the beak 1) attached to the block 4 to the syringe. Polymeric hollow tube has malorazmernyj diameter up to 2 mm and a length of 150-200 mm Inside clearance is formed a metallic conductor 5 with a length of 25 mm less than the total length of the structure. It is installed from the end of the hollow polymer tube from the side of the beak 1 at a distance of 5 mm from the linear section 3 - at the distance of 20 mm On the border with bill 1 on polymeric hollow tube is the outer air sleeve 6 with a rubber Explorer air. To the outer surface of the ring 2 fixed clamp system 7.

The method of using the device is as follows. After local anesthesia of the mucous membrane of the nasal cavity and nasopharynx solution dikaina or lidocaine device is omitted beak 1 is injected through the lower nostril to the posterior wall of the nasopharynx. Expand the bill to the opposite ear behind the rear edge of the septum of the nose. Then on the top of the trajectory of the device powerchip otkluchayut audio signal. Bill 1 will continue to move along the upper path until the auditory sensations of tone at the moment of contact with pharyngeal mouth of the auditory tube. The position of the adjusting device according to the maximum signal level in the test ear reciprocating displacement of the ring 2 to the septum of the nose. When approaching the ring and septum device in the middle division is bent in the opposite direction, changing the position of the bill 1. For a deeper introduction of the bill 1 into the lumen of the auditory tube inflate the outer air sleeve 6, which otdavlyay device from the septum of the nose. Through the block 4 in the auditory tube and tympanic cavity injected air or liquid medicines in small portions. This position excludes the last in the throat.

The device is intended for the treatment of inflammatory disorders of the auditory tube and middle ear.

Example 1. Patient-ski A. R., 23 years old, is in the ENT clinic with a diagnosis of left-sided adhesive otitis media. At admission he complained of nicotinamine noise in the left ear, a significant hearing loss after acute otitis media. When examining the received tone threshold audiogram with Cola were treated using the proposed device within 1, 2 weeks. Auditory function recovered completely. Discharged for outpatient monitoring.

Claims

1. Device for catheterization of the auditory tube, consisting of a tube of cylindrical shape, one end of which is bent in the form of a beak, characterized in that the tube has malorazmernyj diameter, an inner metallic conductor of smaller length, the system and the outside air cuff made on the border with beak, while the other end of the tube is bent open coil, in the form of a ring and put a straight section in the direction of curvature of the beak attached to the Shoe of the syringe.

2. The device under item 1, characterized in that the tube is made of polymer.

3. Method of catheterization of the auditory tube, including the introduction of devices with the beak to the posterior wall of the nasopharynx through the bottom of the bow, turning beak towards the opposite ear at 90° before contact with the rear edge of the septum of the nose, expanding the device beak to the patient ear to 180° and the installation of the beak in pharyngeal mouth of the auditory tube, wherein the introducing device according to p. 1, at the time of supply and installation in pharyngeal mouth of the auditory tube through the device under uinuu air cuff, control the position of the device on the maximum intensity of the auditory sensations of the sound signal.



 

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