39 results about "Tympanic cavity" patented technology

A device for making an incision in the tympanic membrane, withdrawing fluid from the tympanic cavity and administering a medicament to the space behind the tympanic membrane is provided. The device has a barrel-shaped casing (1) having a rotatable end turret (38). A first trigger (2) allows a shaft (18) to pierce the tympanic membrane and a tubular vacuum cartridge (32). The cartridge allows aspiration of fluid. A second trigger (4) causes medicament (34) to be released into the space behind the tympanic membrane.

An implantable hearing aid transducer is provided that allows providing movement for stimulation purposes in at least first and second directions. This allows for moving an auditory component in a direction that may be substantially aligned with a natural direction of movement for the auditory component. In one arrangement, a middle ear transducer having an elongated vibratory member that extends into a patient's tympanic cavity is operative to move a tip of the vibratory member in at least first and second directions. A first direction may be along a long axis of the vibratory member while a second direction may be in a direction that is at least partially transverse to the long axis of the vibratory member. Further, the transducer may be positionable to provide alignment of the vibratory member such that the transverse direction of movement is substantially aligned with a direction of natural movement of a middle ear component (e.g. ossicles bone) to be stimulated.

Provided herein are various connectors that allow for translating the axial movement of an implantable hearing transducer 108 from a first direction to a second direction. In various arrangements, these connectors form a spanning connector 200 that extend across a portion of a tympanic cavity of a patient. One end 202 of the connector 200 may be affixed to the tympanic cavity, and a second end 204 may engage an auditory component. In such an arrangement, a vibratory actuator 112 may engage the connector 200 between the first and second ends 22, 204. Such an arrangement may provide improved alignment of actuator movement with a direction of movement of an auditory component.

A device for substance delivery to and/or extraction from the tympanic cavity, comprising: a stationary body having a distal surface, a proximal surface; a movable body having a distal surface and a proximal surface, disposed within the stationary body and free to move relative to the stationary body; at least one piercing element having a distal end and a proximal end, disposed in the movable body; and a means for moving the movable body relative to the stationary body.

The present invention relates to a otitis media diagnosis system using terahertz electromagnetic waves, which can diagnose otitis media using terahertz electromagnetic waves in a non-invasive manner, and which can accurately diagnose otitis media by acquiring images on the tympanic cavity using terahertz electromagnetic waves with excellent transmittance, and which can quickly and accurately divide exudative otitis media and suppurative otitis media using terahertz electromagnetic waves that are sensitive to moisture, and which is safe to a body using terahertz electromagnetic waves. The otitis media diagnosis system includes a terahertz probe including a generating unit for radiating terahertz electromagnetic waves from the outside of an ear toward a tympanic cavity and a detection unit for detecting the reflected terahertz electromagnetic waves reflected from the tympanic cavity.

A method of treating a mammal presenting with an otic infection attributable to a pathogenic bacteria is accomplished by passing a hollow shaft having a first and second end through the tympanum of the mammal. The first end is sufficient to pierce the tympanic membrane, but flexible enough such that it buckles under the force necessary to damage any surrounding tissues in the tympanic cavity. The first end of the hollow shaft, after it pierces the tympanic membrane, extends into the tympanic cavity to aspirate a volume of effluence contained therein. The aspirated effluence is expelled out the second end of the hollow shaft. A volume of medicament (less than the volume of effluence withdrawn) is then injected through the same hollow shaft and into the tympanic cavity to treat the infection.

The invention relates to a tympanic membrane puncture needle with a sight glass. The tympanic membrane puncture needle comprises the auditory meatus sight glass (9), an otoscope (10) and a puncture needle body (11), and is characterized in that the puncture needle body (11) and the otoscope (10) are integrally fixed, an 85-degree angle is formed between a needle body front part (2) of the puncture needle body (11) and an otoscope front end (6), and a needle point (1) of the puncture needle body (11) is located on a straight line of the view center of the otoscope (10); the needle point (1) is 2 mm long, and an obstruction ring (4) is arranged at the tail of the needle point (1); the distance from the needle point (1) to the otoscope front end (6) is 28 mm, the diameter of the otoscope front end (6) is 5 mm, the diameter of an otoscope tail end (8) is 15 mm, and an included angle (12) between a needle body tail (3) of the puncture needle body (11) and an otoscope body part (7) is 120 degrees. The tympanic membrane puncture needle with the sight glass has the advantages that high illumination is provided, the view is clear, the tympanic membrane puncture needle is easy to fix, the insertion depth of the tympanic membrane puncture needle is proper, change conditions of the fluid level in the tympanic cavity are dynamically observed, fluid extraction and drug injection are completed through conventional puncture at one time, the pain of patients is relieved, and complications are prevented.

Disclosed is an artificial auditory tube that is a therapeutic instrument useful for the treatment of eustachian tube dysfunction including stenosis of the eustachian tube (occlusion of the eustachian tube), patulous eustachian tube, closure defect of the eustachian tube, and “floppy tube”. The artificial auditory tube consists of a tubular body having a proximal end to be placed protruding out of the tympanic membrane within the external auditory canal and having a distal end to be inserted from the tympanic cavity into the eustachian tube and placed through the isthmus and facing the inside of the cartilaginous eustachian tube, the distal end and the proximal end communicating with each other through an internal cavity extending in the axial direction of the tubular body, the internal cavity opening to the outside through a first opening located in the distal end portion, and the external diameter falling in the range of from 0.35 to 3.0 mm, wherein the artificial auditory tube includes a second opening defined in the wall of the tubular body and positioned in the region ranging from 9 to 30 mm away from the distal end and communicating with the internal cavity of the tubular body.

The invention relates to a simulation method for air pressure fluctuation and human ear comfort. The simulation method mainly comprises the steps of: A, establishing a transfer function module of a human ear system through a ''gas-solid'' coupling module by taking air pressure out of the tympanic cavity as an input and air pressure inside the tympanic cavity and eardrum displacement as an output; B, inputting the air pressure Pi(s) out of the tympanic cavity which is a standard air pressure signal determined according to air pressure comfort standard in a high speed train into the transfer function module to obtain a corresponding standard eardrum displacement; and C, inputting the air pressure Pi(s) out of the tympanic cavity which is an air pressure signal in the train into the transfer function module to obtain a corresponding eardrum displacement; further obtaining a corresponding relationship curve of air pressure-eardrum displacement; and further obtaining the relationship between the human ear comfort and the eardrum displacement. The simulative analyzing result removes the individual difference of the human body, and a quantization standard of the human ear comfort degree can be put forward according to the human eardrum displacement so as to provide a more convenient, rapid, and objective ground for design and operating maintenance associated with the motor car of the high speed railway and the human ear comfort.

The present invention relates to an earplug type tympanic administration device. The earplug type tympanic administration device comprises a tympanic administration tube and is characterized in that ahead end of the tympanic administration tube is provided with a puncture needle for puncturing tympanic membranes to enter tympanic cavity and a tail end of the tympanic administration tube is provided with an earplug type positioning piece to be fixed at an earhole inlet; and the tail end of the tympanic administration tube is connected with an infusion connector and the infusion connector is provided with a sealing cover. The earplug type tympanic administration device has smart structure and reasonable design, the puncture needle is arranged at a head end of the tympanic administration tube, so that the tympanic administration tube can more smoothly puncture the tympanic membranes to enter the tympanic cavity; a part, close to the tail end, of the tympanic administration tube is provided with the earplug type positioning piece which can enable fixing of the tympanic administration tube to be more stable, convenient to operate and also higher in accuracy; and the tail end of the tympanic administration tube is connected with the infusion connector, so that the infusion connector can be conveniently connected with an injector to inject medicines, and the infusion connector can beplugged by the sealing cover when not used.

The invention discloses an auripuncture, tympanic cavity internal injection and myringotomy fixing and pushing system, and relates to the field of medical instruments, and aims at solving the problem existing in the prior art that when doctors treat middle ear and related diseases of patients, the hand-held medical tool is not stable enough, and the treatment effect is low. The technical scheme is that the auripuncture, tympanic cavity internal injection and myringotomy fixing and pushing system comprises a support member, a wearing part, a clamping part and a pushing mechanism. The wearing part is connected with the support member, and is used for a patient to wear, and maintains the stable position relationship between the auricle of the patient and the support member; the clamping part is used for clamping an external medical tool; and the pushing mechanism is arranged on the support member, and is connected with the clamping part, and is used for driving the clamping part to move linearly relative to the support member. The fixing and pushing system is suitable for treatment modes such as auripuncture, tympanic cavity internal injection and myringotomy.

The invention provides a Chinese medicament for treating chronic catarrhal otitis media. The Chinese medicament comprises coptis, fenugreek, Chinese starjasmine stem, akebia fruit, holly bark, Tuckahoe, dandelion, mistletoe, corydalis decumbentis, licorice, codonopsis pilosula, gardenia, Chinese yam, reed rhizome, sappan wood, smartweed, wild chrysanthemum, monkshood and dendrobe. The novel Chinese medicament for treating the chronic catarrhal otitis media can effectively prevent the disease from being changed into adhesive otitis media, is convenient to take, and can avoid side effects and sequela due to long-term use of antibiotics and hormones, tympanic cavity tubing and the like.

Systems (300), apparatus, and methods are described for delivering a therapeutic substance to an ear of a subject, including a reservoir (300) configured to contain the therapeutic substance and an outlet (320) configured to transport the therapeutic substance from the reservoir to a lumen of a tympanostomy tube disposed within a tympanic membrane bordering the tympanic cavity and/or the tympaniccavity via the lumen of the tympanostomy tube, such that the therapeutic substance can be delivered to the tympanic cavity and/or a round window to an inner ear bordering the tympanic cavity.

The invention provides a tympanum puncture positioning device which comprises a guide hole, wherein more than one fixation bars radiated outwards are disposed with the guide hole as the center, and the fixation bars are disposed at a mutual interval. According to a human ear structure, the tympanum puncture positioning device provided by the invention is adaptively designed into an elliptic structure, and the whole positioning device is placed in a patient's ear by adopting a transparent silica gel material, so that discomfort of the patient is avoided, and a doctor can send a puncture needle and the positioning device into an external auditory canal under direct observation. According to a tympanic membrane quadrant, the guide hole is adaptively disposed on the lower half part of the center shaft of the positioning device, the guide hole can be aligned to a front lower quadrant of a tympanic membrane in the whole course through application of the fixation bars, and the puncture needle will not be penetrated too deeply into a tympanic cavity.

The invention discloses a tympanic-membrane type repeatedly openable optical fiber cold connector which comprises a V-shaped block, a box cover, an opening cover, a box, wire blocks arranged at the two ends of the box, a tail handle and an ejector sleeve, wherein the box comprises a box body; a tympanic membrane cavity is arranged on the box body; the two ends of the tympanic membrane cavity are communicated with the guide block respectively; the side surface of the tympanic membrane cavity is provided with a tympanic membrane compressed to reduce the sectional area of the tympanic membrane cavity; the periphery of the tympanic membrane is connected with the box body through a floating rib; the V-shaped block is arranged in the tympanic membrane cavity; and the box cover is arranged on the outer side of the tympanic membrane and acts on the tympanic membrane through a locking component. The optical cold connector disclosed by the invention realizes balanced distribution of fixing acting force on the connected optical fiber and stable and reliable fastening action, and prevents twisting dislocation of the connected optical fiber; and moreover, due to the adoption of the sealing structure at the connection point, the optical fiber cold connector can ensure the cleanness of the connection point and avoid troubles of pollution and corrosion no matter how severe the construction or working environment is for optical fiber connection.

The invention provides an artificial tympanum. The artificial tympanum comprises a support body and an elastic body, the elastic body is capable of vibrating under the action of sound waves, the elastic body is used for supporting an artificial auditory ossicle, the support body is placed in the tympanum and supports and fixes the elastic body to corresponding position, the support body is fixedlyconnected with the elastic body, and the elastic body supports the artificial tympanum in a specific direction. The provided artificial tympanum can be applied to situations of auditory tube afunction and occupation of the tympanum by scar tissues, the artificial tympanum is implanted into a tympanum where an aerated cavity cannot be reconstructed, the entire tympanum is occupied, tympanum adhesion can be prevented by the support body, a tympanic cavity is occupied, and the scar is prevented from filling up the entire tympanum; and the tympanum composed of the support body and the elastic body replaces the original tympanum cavity, and the combination of the elastic body and the artificial ossicle is used for replacing the tympanum and a human ossicular chain to complete transmission of sound to an inner ear.

The invention discloses a drug delivery device for a tympanic cavity. The drug delivery device comprises a bottom plate, four universal wheels and a drug delivery mechanism; four supporting legs are arranged at the bottom part of the bottom plate; the four universal wheels are installed at the bottom part of the four supporting legs correspondingly; a mattress is arranged at the top part of the bottom plate; and a headrest is arranged at the position, close to the end part, of the mattress. The drug delivery device further comprises a lifting system; the lifting system is fixedly arranged at the end, close to the headrest, of the bottom plate; a transverse plate is movably connected with the top part of the lifting system; a connecting rod is fixedly arranged at the bottom part of the end, away from the lifting system, of the transverse plate; and the drug delivery mechanism is hinged to the bottom of the connecting rod. The height of the drug delivery mechanism and the angle between the drug delivery mechanism and the headrest can be adjusted through the lifting system, and the connecting rod is movably connected with the drug delivery mechanism, and thus the angle between the drug delivery mechanism and the connecting rod can also be adjusted, so that the drug delivery mechanism can be fixed at the position most suitable for drug delivery, and a doctor can conveniently conduct drug delivery operation; and a fixing belt is arranged at the headrest, so that the head of a patient can be fixed, thereby improving the drug delivery efficiency.