CN1231191C - Method of making osteofusion recruitment device - Google Patents
Method of making osteofusion recruitment device Download PDFInfo
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- CN1231191C CN1231191C CN 01107213 CN01107213A CN1231191C CN 1231191 C CN1231191 C CN 1231191C CN 01107213 CN01107213 CN 01107213 CN 01107213 A CN01107213 A CN 01107213A CN 1231191 C CN1231191 C CN 1231191C
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- bone fusion
- signal processing
- fusion implant
- osteofusion
- energy conversion
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Abstract
The present invention relates to a method for manufacturing a bone fusion acousticon. A bone fusion implanting body which is manufactured by titanium or titanium alloy, etc. is implanted into a position with a certain bone quantity near a skull and a cochlea by a surgical operation, an audio signal which is amplified by a sound signal processing circuit directly drives the bone fusion implanting body by an electromagnetic converting mode or a piezoelectric converting mode, the fluctuation of sound is converted into the vibration of bones, and auditory nerves are stimulated by a bone conduction mode. The present invention has the advantages of good biological safety and biocompatibility, and can form the direct bone fusion with the bones. A deaf person can restore auditory sensation and fuses into normal social life, and the present invention relieves burdens for a family of the deaf person and the society.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of osteofusion recruitment device that makes the patient that becomes deaf recover audition.
Background technology
Because of congenital or day after tomorrow reason cause the patient who becomes deaf to live in the noiseless world, their life phase is painful and difficult for the normal person.And the congenital deaf-mutism patient often its phonatory organ and function be normal, only owing to can't hear sound, thereby lost the chance that imitation is spoken.Because its physiological defect, make them can not incorporate normal social life, this be to themselves, family and society all be white elephant.
U.S. Pat 4612915A discloses a kind of " ossiphone ", and this sonifer is made of sound processing apparatus, output translator and vibration generating apparatus or is made of sound processing apparatus, output translator, vibration generating apparatus and bone screw.The effect of sound processing apparatus is to change acoustical signal into the signal of telecommunication; Output translator is the electromagnetic type transducer, its iron core is the permanent magnetism iron core, its effect is that the signal of telecommunication is changed into and the corresponding wave of oscillation of audio signal, and with implant subcutaneous directly be bonded on the user skull be fixed in the otch of user skull or adopt bone screw be fixed on the user skull the vibration generating apparatus adhesive, make vibration generating apparatus produce the wave of oscillation; Vibration generating apparatus is second magnetic devices, is made by permanent magnet material, and when itself and output translator adhesive, the vibration of skeletonization is changed in the fluctuation that is about to sound, stimulates auditory nerve by the bone conduction mode, allows user experience sound.The ossiphone of said structure feature has the following disadvantages: can produce looseningly with bone screw as transfer of vibration part life-time service under vibration environment, cause the ossiphone performance to descend; The long-term heeling-in of vibration generating apparatus that permanent magnet material is made causes long-term existence fixed magnetic field in the user body in human body, this fixed magnetic field might be to people's healthy generation harmful effect; Used that two devices---vibration generating apparatus and output translator are finished conversion and the transmission from the signal of telecommunication to the wave of oscillation, have increased member.
Summary of the invention
The invention provides a kind of sound is the osteofusion recruitment device of circulation way with the bone conduction, and purpose can make the patient that becomes deaf experience sound exactly, recovers audition, can make user safer and help increasing the service life again.
In general, normal audition generation and transmittance process have dual mode: a kind of air-liquid conductive mode that is called, another kind is the bone conduction mode.Sound wave is through auricle, external auditory meatus vibrations tympanum, by the leverage of three auditory ossicles, makes and pedals bone and kowtow back and forth and hit vestibuli, causes the perilymphatic concussion in the bony labyrinth.Be that auditory ossicles concentrates on the very little vestibuli of area the bigger diaphragm-operated vibration energy of area, strengthened the energy density of sound wave, promoted perilymphatic fluctuation, make aerial conduction transfer liquid conductive to.Another circulation way of sound is: sound wave can directly import internal ear into by skull, cochlea bone wall, causes relevant auditory nerve reflection.This is called bone conduction.
Osteofusion recruitment device of the present invention has bone fusion implant, sound signal processing (pickup, amplification, output) unit and three ingredients of energy conversion unit; The sound signal processing unit is connected with energy conversion unit, the air vibration that sound source is caused converts the signal of telecommunication of corresponding frequencies to and this signal is amplified and outputs to energy conversion unit, energy conversion unit is connected with bone fusion implant, the audio signal of having amplified is transformed into mechanical vibration, directly drives the bone fusion implant vibration.Wherein bone fusion implant meets the ISO5832 surgery with gold, the pure titanium of medical grade or titanium alloy etc. and implants and to make with the metal or alloy of metal material standard.Resolution element can be used in the sound signal processing unit, also can use integrated device; Its pick up can be electret, electromagnetic type, condenser type or piezoelectric pickup; Can be analog circuit, also can be digital circuit.Energy transducer has two types; A. electromagnetic transduction, the alternation audio electrical signal that amplifies is produced the respective quadrature varying magnetic field by coil, this alternating magnetic field directly drives and the direct-connected ferroelectric of bone fusion implant, thereby converts audio signal the vibrations of to corresponding bone, allows the patient that becomes deaf experience sound.B. piezoelectric transducer, with the alternation audio electrical signal that amplifies by piezoelectric ceramic devices and the direct-connected mode of bone fusion implant, the piezoelectric ceramic piece vibrations that audio signal causes are directly conducted to bone fusion implant, thereby convert audio signal the vibrations of to corresponding bone, allow the patient that becomes deaf experience sound.
Principle of the present invention further is expressed as:
The specific embodiment
Purpose of the present invention realizes by following technological approaches: at first make bone fusion implant; Carry out pickup, audio signal amplification and output by the sound signal processing unit then; Through the vibrations of transducer, stimulate auditory nerve again, allow the patient that becomes deaf experience sound by the bone conduction mode with the fluctuation of sound conversion skeletonization.Using method of the present invention is: near bone fusion implant is imbedded at (non-joint connects) skull, cochlea by surgical operation certain bone amount place is arranged, as mastoid process, cheekbone or skull.Utilize electromagnetic conversion or piezoelectricity conversion regime through the pick up collection and through the audio signal that oversampling circuit amplifies, convert audio electrical signal to mechanical vibration, directly drive bone fusion implant, the vibration of the fluctuation of sound conversion skeletonization the most at last, stimulate auditory nerve by the bone conduction mode, the patient's that recovers to become deaf audition.
Below in conjunction with above-mentioned principle steps, operation principle of the present invention is further explained.From the strict sense will, pick up in the sound signal processing unit (being common word tube, mike) also is a kind of transducer, the air vibration that it causes sound source converts the signal of telecommunication of corresponding frequencies to, circuit in the sound signal processing unit amplifies this signal and outputs to energy conversion unit, the audio signal that energy conversion unit has been amplified this again is transformed into mechanical vibration, directly drive bone fusion implant, give skull by bone fusion implant with this transfer of vibration, make the patient that becomes deaf experience sound by the bone conduction mode.
If it is energy conversion unit is integrated with bone fusion implant and separate with the sound signal processing unit, power conversion and bone fusion implant integrated unit install the mini radio receiving system additional, install the sound signal processing unit additional radio transmitting apparatus, just can improve the audition limit of people's ear greatly and extend earshot, its purposes also can extend to fields such as public security, information.
The present invention has following characteristics:
1, bone fusion implant meets the metal or alloy making of ISO5832 surgery implantation with the metal material standard with gold, the pure titanium of medical grade or titanium alloy etc., has good biological safety and biocompatibility, and can merge with the direct bone of bone formation.Consider that from the Mechanics of Machinery angle it is a kind of " rigidity " contact that bone merges, can realize the propagation vibrated well, thereby can prolong the service life of the device of recovering lost hearing.
2, the energy conversion unit of implant into body does not contain permanent magnet material, thereby does not have fixed magnetic field in the user body, helps the healthy of user.
3, finish conversion from the signal of telecommunication to the wave of oscillation by an energy conversion unit, simplify the structure.
4, the present invention can make the patient that becomes deaf recover audition, and serious Deaf and Hard of Hearing Talents improves one's hearing, and allows them incorporate normal social life, alleviates the burden of its family and society.
5, the sound signal processing unit can be made by resolution element or integrated device, and its pick up is electret, electromagnetic type, condenser type or piezoelectric type, and its circuit can adopt analog circuit or digital circuit; Osteofusion recruitment device is made easily, and highly sensitive, volume and weight reduces.
If 6 is integrated with bone fusion implant and separate with the sound signal processing unit with energy conversion unit, power conversion and bone fusion implant integrated unit install the mini radio receiving system additional, install the sound signal processing unit additional radio transmitting apparatus, just can improve the audition limit of people's ear greatly and extend earshot, its purposes also can extend to fields such as public security, information.
Claims (5)
1, a kind of osteofusion recruitment device, comprise the sound signal processing unit, three ingredients of energy conversion unit and conduct vibrations part, the sound signal processing unit is connected with energy conversion unit, the air vibration that sound source is caused converts the signal of telecommunication of corresponding frequencies to and this signal is amplified and outputs to energy conversion unit, it is characterized in that energy conversion unit is electromagnetic transduction or piezoelectric transducer, the conduct vibrations part is a bone fusion implant, the ferroelectric of electromagnetic transduction is connected with bone fusion implant or the piezoelectric ceramic devices of piezoelectric transducer are connected with bone fusion implant, the audio signal of having amplified is transformed into mechanical vibration, directly drives the bone fusion implant vibration.
2, osteofusion recruitment device according to claim 1, it is characterized in that energy conversion unit and bone fusion implant become one and install the mini radio receiving system additional, the sound signal processing unit installs radio transmitting apparatus additional, and sound signal processing unit and energy conversion unit are carried out the signal transmission by radio transmitting apparatus and mini radio receiving system.
3, osteofusion recruitment device according to claim 1 and 2 is characterized in that bone fusion implant is to meet the implantation of ISO5832 surgery to make with the metal or alloy of metal material standard.
4, osteofusion recruitment device according to claim 1 and 2 is characterized in that the sound signal processing unit comprises pick up, and described pick up is electromagnetic type or condenser type or piezoelectric pickup.
5, osteofusion recruitment device according to claim 3 is characterized in that the sound signal processing unit comprises pick up, and described pick up is electromagnetic type or condenser type or piezoelectric pickup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01107213 CN1231191C (en) | 2001-02-28 | 2001-02-28 | Method of making osteofusion recruitment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01107213 CN1231191C (en) | 2001-02-28 | 2001-02-28 | Method of making osteofusion recruitment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1371668A CN1371668A (en) | 2002-10-02 |
| CN1231191C true CN1231191C (en) | 2005-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01107213 Expired - Fee Related CN1231191C (en) | 2001-02-28 | 2001-02-28 | Method of making osteofusion recruitment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1231191C (en) |
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2001
- 2001-02-28 CN CN 01107213 patent/CN1231191C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1371668A (en) | 2002-10-02 |
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Granted publication date: 20051214 Termination date: 20130228 |