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36 results about "Ossicles" patented technology
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The ossicles (also called auditory ossicles) are three bones in either middle ear that are among the smallest bones in the human body. They serve to transmit sounds from the air to the fluid-filled labyrinth (cochlea). The absence of the auditory ossicles would constitute a moderate-to-severe hearing loss. The term "ossicle" literally means "tiny bone". Though the term may refer to any small bone throughout the body, it typically refers to the malleus, incus, and stapes (hammer, anvil, and stirrup) of the middle ear.
Implantable middle ear hearing device having tubular vibration transducer to drive round window
ActiveUS20090023976A1Reduce deliveryGood compensationEar treatmentDeaf-aid setsMiddle ear functionSensorineural hearing loss
An implantable middle ear hearing device having a tubular vibration transducer to drive a round window is designed to input sound to a round window opposite an oval window in an inner ear. The tubular vibration transducer has a unique structure that does not attenuate the magnitude of a signal, particularly, in a high frequency band. Sound delivery effect is much higher than those of conventional schemes. It is also possible to minimize difficulties associated with and problems resulting from the operation, which the conventional methods would have. Further, the transducer can have a relatively less compact than ossicle contact type transducers, and thus be easily fabricated. The hearing device can be applied to a sensorineural hearing loss patient with the ossicle damaged. Moreover, since sound is directly transmitted without through the ear drum and the ossicle, high efficiency sound delivery is achievable and hearing loss compensation are easy.
Owner:KYUNGPOOK NAT UNIV IND ACADEMIC COOP FOUND
Middle ear implant and method
An improved middle ear implant and method are disclosed. The invention particularly relates to magnetic implants and to attachment devices and methods for mounting a magnet in the middle ear of a patient. The implant comprises a wire-form and a magnet disposed in a housing. The method may comprise the steps of: positioning a magnet in optimal alignment; and attaching said magnet to an ossicle in the middle ear. The method may further comprise the step of using a wire-form to attach the implant to the ossicle. Still further, the method may comprise the step of anchoring the implant to the ossicle with biological cement.
Owner:OTOTRONIX
Method and Apparatus for Evaluating Dynamic Middle Ear Muscle Activity
InactiveUS20130303941A1Rapid and sensitive and reliable and non-abrasiveFast and reliableAudiometeringSensorsSound waveOssicles
Provided are methods and devices for evaluating dynamic middle ear muscle activity in a subject. A probe is provided having a speaker and a microphone in sound-wave communication with an eardrum associated with the middle ear muscle of the subject. A sound wave is generated from the speaker and transmitted to the eardrum. The sound wave that is reflected is detected and a reflected sound wave property measured. The input sound wave may be comb input to fully extend ossicle movement in all available vibratory modes, thereby providing maximum information as to dynamic middle ear muscle activity.
Owner:THE BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS
Ossicle prosthesis with sensitive top plate
ActiveUS20080234817A1Increase flexibilityIncrease variabilityWound clampsEar implantsProsthesisPost operative
An ossicle prosthesis includes, at one end, a first fastening element designed as a top plate for mechanical connection with the tympanic membrane, and, at the other end, a second fastening element for mechanical connection with a component or parts of a component of the ossicular chain or with the inner ear, and a connecting element that connects the two fastening elements with each other in a sound-conducting manner; the top plate includes a radially outward annular region, a radially inward attachment region for mechanically attaching the top plate to the connecting element, and several segment elements for radially connecting the annular region with the attachment region, characterized by the fact that the segment elements are geometrically designed such that they locally emulate any localized medial motions made by the tympanic membrane, but they do not transmit the motion to distant regions of the top plate. As a result, a high level of post-operative flexibility and variability of the prosthesis, and higher-quality sound conduction through the prosthesis may be attained in a technically simple, uncomplicated, and cost-favorable manner.
Owner:HEINZ KURZ MEDIZINTECHN
Ossicle prosthesis
An ossicle prosthesis (10), which replaces or spans at least one member of the human ossicle chain; the ossicle prosthesis (10) has a securing element embodied as a first elastic clip (11), for mechanical connection with a member of the ossicle chain, the securing element is open towards the outside on one side, with an outer opening (14) for receiving the ossicle member. The securing element form-lockingly embraces the ossicle member with two regions which are joined together on their ends located diametrically opposite the outer opening (14) via a portion extending at a spacing from the ossicle member. The portion connecting the two regions has at least two circular recesses (19a, 19b), which are curved outward in a circular arc from the member of the ossicle chain.
Owner:HEINZ KURZ MEDIZINTECHN
Incus Replacement Partial Ossicular Replacement Prosthesis
An ossicular prosthesis is described which includes an elongated prosthesis member having a proximal end and a distal end. A cochlea striker mass is at the distal end of the prosthesis member and includes an outer striking surface for coupling vibration of the striker mass to an outer cochlea surface of a recipient patient. A locking clamp is at the proximal end of the prosthesis member and includes a clamp strap having a fixed end and a free end, and a locking head at the fixed end of the clamp strap which has a strap opening for insertion of the free end of the clamp strap. The clamp strap passes around an ossicle of the middle ear in a closed loop and is fixedly engaged by the locking head such that acoustic vibration of the ossicle is coupled by the prosthesis member to the cochlea surface.
Owner:MED EL ELEKTROMEDIZINISCHE GERAETE GMBH
Clover Shape Attachment for Implantable Floating Mass Transducer
A middle ear prosthesis device includes an elongated prosthesis member having first and second ends. A transducer clamp is at the first end with clamping fingers for securely engaging the outer surface of an enclosed mechanical signal transducer. An ossicle fastener is at the second end for secure attachment to the ossicle of the middle ear. The ossicle fastener includes parallel planar fastener clips each having a clover shape with springy lobes surrounding an interior region defined by lobe connecting bends. There is an opening between opposing bent leg ends of each fastener clip that displaceably provides access for the ossicle to the interior region of the clip so that the fastener clips securely enclose an ossicle such as the incus bone within the interior region. Vibration of the mechanical signal transducer is coupled by the prosthesis member to the incus secured within the ossicle fastener.
Owner:VIBRANT MED EL HEARING TECH
Attachment mechanism for middle ear prosthesis
A middle ear prosthesis comprises a piston adapted to extend through an oval window when implanted in a human ear. A pair of jaws engage an ossicle when implanted in a human ear. A spring is coupled to the jaws for biasing the jaws toward one another to provide clamping pressure. The jaws are in turn connected to the piston.
Owner:ANTONELLI PATRICK +1
Passive ossicle prosthesis comprising applicator
ActiveUS20100191331A1Prevent post-operative rejection reactionHearing impairmentEar implantsBone tissueProsthesis
An ossicle prosthesis has, at on one end, a first fastening element for connection to the tympanic membrane or a component of the ossicular chain, on the other end, a second fastening element for connection to a further component of the ossicular chain, or directly to the inner ear, and a connecting element that connects the two fastening elements in a sound-conducting manner, and it also includes an elongated applicator for transferring the ossicle prosthesis from a sterile packaging to the surgical site and for insertion into the middle ear or the auditory meatus, with a free end extending away from the prosthesis and used for handling purposes, and with an engagement part which is initially fastened to the prosthesis in a non-positive or form-fit manner, or via a material bridge which may be broken off or sheared off, and which may be detached and removed together with the applicator once the prosthesis has been inserted into the ear. This prosthesis may be removed from the sterile packaging and immediately inserted directly into the auditory meatus of the patient, or inserted into the middle ear in a standardized manner, without the use of additional tools, while ensuring that handling during surgery is optimal and tailored to the geometry of the prosthesis and ruling out the possibility of damage occurring via the gripping and transfer of the prosthesis.
Owner:HEINZ KURZ MEDIZINTECHN
Ossicle prosthesis comprising a built-up attaching element
An ossicular prosthesis formed as a sound-conducting, elongated prosthesis body has a first coupling element designed as a tympanic membrane top plate or a clip or a connecting piece to an actuator end piece of an active hearing implant and a second coupling element provided with an access opening into a receiving space designed as a bell or a clip for a mechanical connection of the prosthesis to the head of the stapes. The second coupling element has a backing section on an inner surface of the receiving space as an axial extension of the prosthesis body. The backing section protrudes from the prosthesis body into the receiving space. In an implanted state, the backing section bears against a head of the stapes and prevents a formation of a hollow space between the stapes and an inner surface of the receiving space in an axial extension of the elongated prosthesis body. As a result, additional degrees of freedom are obtained for individualized adaptation to anatomical circumstances of a specific patient in terms of shape, size and position of the patient's stapes bone.
Owner:HEINZ KURZ MEDIZINTECHN
Totally implantable hearing system
Owner:THE BOARD OF RGT UNIV OF OKLAHOMA
Optical electro-mechanical hearing devices with combined power and signal architectures
ActiveCN102138340AOptical signal transducersBone conduction transducer hearing devicesTransducerLength wave
An audio signal transmission device includes a first light source and a second light source configured to emit a first wavelength of light and a second wavelength of light, respectively. The first detector and the second detector are configured to receive the first wavelength of light and the second wavelength of light, respectively. A transducer electrically coupled to the detectors is configured to vibrate at least one of an eardrum or ossicle in response to the first wavelength of light and the second wavelength of light. The first detector and second detector can be coupled to the transducer with opposite polarity, such that the transducer is configured to move with a first movement in response to the first wavelength and move with a second movement in response to the second wavelength, in which the second movement opposes the first movement.
Owner:依耳乐恩斯公司
Implantable middle ear hearing device having tubular vibration transducer to drive round window
ActiveUS8216123B2Minimize signal attenuationEasy to operateDeaf-aid setsProsthesisMiddle ear functionSensorineural hearing loss
An implantable middle ear hearing device having a tubular vibration transducer to drive a round window is designed to input sound to a round window opposite an oval window in an inner ear. The tubular vibration transducer has a unique structure that does not attenuate the magnitude of a signal, particularly, in a high frequency band. Sound delivery effect is much higher than those of conventional schemes. It is also possible to minimize difficulties associated with and problems resulting from the operation, which the conventional methods would have. Further, the transducer can have a relatively less compact than ossicle contact type transducers, and thus be easily fabricated. The hearing device can be applied to a sensorineural hearing loss patient with the ossicle damaged. Moreover, since sound is directly transmitted without through the ear drum and the ossicle, high efficiency sound delivery is achievable and hearing loss compensation are easy.
Owner:KYUNGPOOK NAT UNIV IND ACADEMIC COOP FOUND
Ossicle prosthesis with sensitive top plate
An ossicle prosthesis includes, at one end, a first fastening element designed as a top plate for mechanical connection with the tympanic membrane, and, at the other end, a second fastening element for mechanical connection with a component or parts of a component of the ossicular chain or with the inner ear, and a connecting element that connects the two fastening elements with each other in a sound-conducting manner; the top plate includes a radially outward annular region, a radially inward attachment region for mechanically attaching the top plate to the connecting element, and several segment elements for radially connecting the annular region with the attachment region, characterized by the fact that the segment elements are geometrically designed such that they locally emulate any localized medial motions made by the tympanic membrane, but they do not transmit the motion to distant regions of the top plate. As a result, a high level of post-operative flexibility and variability of the prosthesis, and higher-quality sound conduction through the prosthesis may be attained in a technically simple, uncomplicated, and cost-favorable manner.
Owner:HEINZ KURZ MEDIZINTECHN
Ossicular Prostheses Fabricated From Shape Memory Polymers
Ossicular replacement prostheses are manufactured from a non-biodegradable shape memory polymer. Such prostheses can include TORPs, PORPs, and incudo-stapedial joints (ISJs). The prostheses are reshaped upon application of a stimulus to capture a portion of one or more ossicles. The force of capture of a reshaped polymeric prosthesis is less than a comparable reshaped shape memory alloy prosthesis and thereby prevents recipient discomfort and / or pressure induced necrosis of the bone. In addition, biocompatible shape memory polymers can be designed with recoverable strain that is orders of magnitude higher than shape memory alloys. Furthermore, prostheses can be manufactured in a single size and easily trimmed or otherwise modified by the surgeon during the implantation procedure to tailor the prosthesis in size and / or shape for the particular anatomy. Such modification does not negatively effect the ability of the prostheses to engage the ossicle.
Owner:GRACE MEDICAL
Portable device for treating Meniere's disease and similar conditions
ActiveUS10271992B2Convenient treatmentImprove performanceEar treatmentCavity massageDiaphragm pumpMicrocomputer
A portable device for noninvasively treating Meniere's disease and similar conditions by introducing pressure pulses into an ear canal to vibrate auditory ossicles through a tympanic membrane. The device includes a pump unit for generating the pressure pulses, wherein the pump unit includes a Voice Coil Motor and a diaphragm pump that is driven by the Voice Coil Motor; an earpiece for transmitting the pressure pulses to a tympanic membrane; a controller for controlling the pump unit; and an alarm lamp. When the device detects no pressure pulses being generated even when the pump unit is operated, the alarm lamp is lit and an error message is displayed on the indicator, and when the device detects the earpiece being disconnected from the ear of the user, the microcomputer stops counting the time elapsed and the alarm lamp is lit and an error message is displayed on the indicator.
Owner:DAIICHI MEDICAL
Ossicular prosthesis and method and system for manufacturing same
ActiveUS20180311035A1Minimize impactIncrease success rateProgramme controlAdditive manufacturing apparatusAnatomical structuresBone tissue
Disclosed herein is a customized ossicular prosthesis suitable for treatment of conductive hearing loss due to ossicular chain defects, and a method and system for manufacturing the same. Medical imaging equipment can detect specifically designated landmarks in normal human middle ear ossicles, including significant anatomic differences in those structures. Those anatomic features are used to generate a customized ossicular prosthesis specifically configured for a particular patient's anatomy using 3D printing techniques and devices.
Owner:UNIV OF MARYLAND
Bacteriostatic medical stainless steel ossicle needle and its making process
InactiveCN1973787AAchieve antibacterial functionRealize the protection functionCoatingsFastenersComposite filmRoom temperature
The present invention is bacteriostatic medical stainless steel ossicle needle and its making process. Structurally, the stainless steel ossicle needle is made of stainless steel and coated with TiO2 / SiO2 composite film formed with nanometer level titanate and nanometer level silicate. The making process of the stainless steel ossicle needle includes the following steps: decontaminating medical ossicle needle, water washing and drying; preparing TiO2 / SiO2 composite material through a sol-gel process; and forming TiO2 / SiO2 composite film in a pulling process while controlling the film thickness by means of the pulling speed and pulling time number; drying the wet coating, heat treatment in a muffle furnace and cooling to room temperature. The present invention coats the medical ossicle needle with TiO2 / SiO2 composite film to reach the aims of bacteriostasis and anticorrosion.
Owner:GUANGZHOU GENERAL HOSPITAL OF GUANGZHOU MILITARY COMMAND
Bionic pickup
InactiveCN103686499AEasy to handleConvenience to workMouthpiece/microphone attachmentsBionicsEngineering
The invention relates to a sound recorder, in particular to a bionic pickup. An outer diaphragm (2) is disposed in a pickup head (1) and adhered to an inner diaphragm (5) through an artificial ossicle (3). The inner diaphragm (5) is hermetically disposed at one end of a simulation cochlea (8) which is a cylinder filled with liquid. A triangular elastic base film (6) is axially arranged inside the cylinder. One bottom edge of the base film (6) overlaps the bottom of the cylinder. A sharp corner of the base film (6) is adhered to the inner center of the inner diaphragm (5). From the sharp corner of the triangular base film (6) to the bottom of the cylinder, on one side wall of the simulation cochlea (8), a plurality of miniature microphones (7) are arranged at certain intervals. The miniature microphones (7) are lead out of the pickup through their respective leads (9). The artificial ossicle (3) is composed of three thin rods hinged in a Z shape through flexible hinges (4). The bionic pickup imitating the structural design of human ear can collect multiple voices under different frequencies, is better satisfactory to auditory reality in human, and is convenient for subsequent intelligent handling of data.
Owner:SHANGHAI NORMAL UNIVERSITY
Use method of bone conduction sounding device
ActiveCN112383865ARich low frequency responseAdjust the resonance frequencyBone conduction transducer hearing devicesEarpiece/earphone attachmentsAir coupledEngineering
The invention provides a use method of a bone conduction sounding device, and belongs to the technical field of bone conduction devices. A cavity is defined by a support and a vibrating diaphragm, anexciter is arranged in the cavity, the vibrating diaphragm produces sound and vibrates under the action of the exciter, the vibrating diaphragm can be attached to a human face in the direction of thevibrating diaphragm and can also be attached to the human face in the direction of the bottom wall when the bone conduction sounding device is worn, and vibration of the vibrating diaphragm can be transmitted to the human face and then transmitted to skull and ossicle regardless of the mode, so that a person can hear the sound. The vibrating diaphragm is a single-layer or multi-layer diaphragm, and the multi-layer diaphragm comprises a plurality of combined structures. The cavity is provided with or not provided with a damping hole. The exciter comprises a magnetic circuit assembly and a coilassembly which are respectively fixed on the vibrating diaphragm and the bottom wall, and the positions of the magnetic circuit assembly and the coil assembly can be exchanged, or the exciter is integrally packaged and installed on the vibrating diaphragm. According to the method, through the use method of air coupling sound transmission or cavity wall coupling sound transmission, the middle-low frequency response effect of the bone conduction sound production device is good.
Owner:SUZHOU THOR ELECTRONIC TECH CO LTD
Ossicle prosthesis comprising a built-up attaching element
An ossicular prosthesis formed as a sound-conducting, elongated prosthesis body has a first coupling element designed as a tympanic membrane top plate or a clip or a connecting piece to an actuator end piece of an active hearing implant and a second coupling element provided with an access opening into a receiving space designed as a bell or a clip for a mechanical connection of the prosthesis to the head of the stapes. The second coupling element has a backing section on an inner surface of the receiving space as an axial extension of the prosthesis body. The backing section protrudes from the prosthesis body into the receiving space. In an implanted state, the backing section bears against a head of the stapes and prevents a formation of a hollow space between the stapes and an inner surface of the receiving space in an axial extension of the elongated prosthesis body. As a result, additional degrees of freedom are obtained for individualized adaptation to anatomical circumstances of a specific patient in terms of shape, size and position of the patient's stapes bone.
Owner:HEINZ KURZ MEDIZINTECHN
Bionic cochlea with fluid filled tube
InactiveUS9789311B1Improve perceptionOptimize locationHead electrodesDeaf-aid setsElectricityNanowire
A bionic cochlea includes a fluid filled vessel having a window disposed in one of its walls and a flexible fluid filled tube in fluid communication at one end with the vessel through the window. The other end of the tube has a diaphragm in communication with the ossicles of a mammalian ear. The diaphragm flexes when exposed to an acoustic pulse to produce an acoustic pressure pulse in the fluid inside the tube and vessel. A plurality of piezoelectric nanowires is disposed within the fluid filled vessel. The nanowires vibrate in response to at least one predetermined wavelength in the acoustic pressure pulse transmitting through the fluid and produce electrical signals. Electrical wires in communication with the nanowires receive the electrical signals and pass these signals to the mammalian auditory nerve.
Owner:USA REPRESENTED BY THE SEC OF THE NAVY
Incus Replacement Partial Ossicular Replacement Prosthesis
Owner:MED EL ELEKTROMEDIZINISCHE GERAETE GMBH
Incus Short Process Attachment for Implantable Float Transducer
A middle ear prosthesis coupling member is described that includes a transducer coupling element adapted for coupling to a mechanical signal transducer, and an ossicle fastener coupled to the transducer coupling element and adapted for secure attachment to the short process of the incus ossicle of a patient middle ear. The ossicle fastener includes parallel separated first and second fastener clips. Each fastener clip has two opposing bendable legs adapted for forming an interior region for receiving the short process of the incus ossicle and a relieved opening between opposing leg ends displaceably providing access for the incus ossicle to the interior region. The fastener clips securely enclose the short process of the incus ossicle within the interior region. The first fastener clip is adapted for exerting a force to pull the ossicle fastener toward the short process of the incus ossicle. The second fastener clip is adapted for holding the ossicle fastener in place over lateral movement on the short process of the incus ossicle only and without substantially exerting a force to pull the ossicle fastener toward the short process of the incus ossicle.
Owner:MED EL ELEKTROMEDIZINISCHE GERAETE GMBH
Ossicular prosthesis and method and system for manufacturing same
ActiveUS10646331B2Minimize impactIncrease success rateProgramme controlAdditive manufacturing apparatusAnatomical structuresOssicles
Owner:UNIV OF MARYLAND
Passive ossicle prosthesis comprising applicator
Owner:HEINZ KURZ MEDIZINTECHN
Method for preparing tympanic membrane model and tympanic membrane engraving model
ActiveCN109273092AMedical simulationDetails involving processing stepsPerichondriumThree dimensional shape
The invention relates to a method for preparing a tympanic membrane model and a tympanic membrane engraving model. The method includes the following steps that: (1) an ossicle three-dimensional modelis established; (2) the three-dimensional model of an ear canal is established; (3) the boundary of a position where a tympanic membrane is located is delineated; (4) a tympanic membrane form is obtained; (5) a tympanic membrane engraving reference mold is obtained; and (6) 3D printing molding is performed. According to the method of the invention, based on a 3D printing technology, the three-dimensional solid model and tympanic membrane engraving reference model of a personalized reconstructed tympanic membrane can be accurately fabricated, and can accurately reflect the three-dimensional shape and size of the tympanic membrane of a patient, and enables multi-angle observation. With the method adopted, the embedding position of a manubrium mallei on a graft can be determined. The method can be applied to an in-ear under-microscope antilobium cartilage-perichondrium repair tympanic membrane large perforation surgery, can provide a meaningful reference template for the customization ofan antilobium cartilage-perichondrium graft, effectively realize an ear endoscopic surgery and provide accurate models for intraoperative graft design.
Owner:THE FIRST AFFILIATED HOSPITAL OF WENZHOU MEDICAL UNIV
Method and device for processing temporal-auricular image
ActiveCN108615235ANarrow down the scope of the inspectionCheck fastImage enhancementImage analysisComputer graphics (images)Computer vision
An embodiment of the invention discloses a method and a device for processing a temporal-auricular image. The method comprises the steps of: acquiring a target ossicle image corresponding to ossicle structures by means of a pretrained first preset model for a temporal-auricular three-dimensional image of a target object; identifying a target region in which ossicles in the target ossicle image isdifferent from ossicle structures in a preset ossicle image by means of a second preset model; and displaying the target region on a screen through adjusting a display direction of the target temporal-auricular three-dimensional image, so as to narrow a range for inspecting the target temporal-auricular three-dimensional image by professionals, thereby accelerating the inspection speed and improving the efficiency. By adopting the method, the target region is identified by means of the pretrained model, then the target region is displayed on the screen through adjusting the display direction,the time for inspecting the target temporal-auricular three-dimensional image by professionals is shortened, and the efficiency is improved.
Owner:HANGZHOU ZHUOJIAN INFORMATION TECH CO LTD
Middle ear prosthesis
A middle ear prosthesis (40) is provided for mounting in the middle ear (4). The middle ear prosthesis comprises a shaft (42) having a distal end configured for the introduction into the inner ear (8) through an aperture (30) formed in a footplate (23) of a stapes bone and in a membrane of an oval window of the inner ear, by moving the shaft in an introduction direction, the shaft being configured for transmitting sound wave vibrations to the inner ear. The prosthesis further comprises a coupling portion (46), for coupling, the shaft to at least one of the ossicles (17) so as to allow transmitting thereby sound wave vibrations from the ossicles to the shaft; and a stop member (48) spaced from the distal end of the shaft and configured for bearing against the remaining portions thereby limiting the movement of the shaft in the introduction direction.
Owner:MOR RES APPL LTD
Universal Bone Conduction and Middle Ear Implant
ActiveUS20220053277A1Bone conduction transducer hearing devicesImplantable hearing aidsSound perceptionSkull bone
A middle ear implant system includes a bone conduction transducer configured for fixed attachment to skull bone of a patient beneath the skin behind the ear, and for generating sound vibrations from an external communications signal received through the skin for coupling to the skull bone for bone conduction sound perception by the patient. A malleable ossicle connector is connected to the bone conduction transducer and a middle ear hearing structure of the patient. And one or more isolation springs are configured for placement at the fixed attachment of the bone conduction transducer to the skull bone to acoustically decouple the bone conduction transducer from the skull bone to avoid bone conduction sound perception so that sound perception from the external communications signal is solely via the middle ear sound perception from vibrations coupled to the middle ear hearing structure by the ossicle connector.
Owner:MED EL ELEKTROMEDIZINISCHE GERAETE GMBH
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