CN202505594U - Wireless chargeable artificial cochlea - Google Patents
Wireless chargeable artificial cochlea Download PDFInfo
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- CN202505594U CN202505594U CN201220115380XU CN201220115380U CN202505594U CN 202505594 U CN202505594 U CN 202505594U CN 201220115380X U CN201220115380X U CN 201220115380XU CN 201220115380 U CN201220115380 U CN 201220115380U CN 202505594 U CN202505594 U CN 202505594U
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Abstract
The utility model discloses a wireless chargeable artificial cochlea. The wireless chargeable artificial cochlea comprises an implant and an extracorporeal machine. The wireless chargeable artificial cochlea is characterized in that a microbattery and a charging circuit are arranged in the implant; a wireless signal transceiver antenna and an antenna charging and transmitting coil are arranged on the extracorporeal machine; a collected voice signal is amplified by the extracorporeal machineand, is sujected to voice processing and then is subjected to signal and electric energy transmission with the implant by the wireless signal transceiver antenna and the wireless charging and transmitting coil; the implant can be used for outputting the voice signal from the received voice signal and electric energy signal by a decoding stimulator in a current way to simulate an electrode; and meanwhile, electric energy generated by the electric energy signal can be used for charging the microbattery. Compared with the prior art, the wireless chargeable artificial cochlea disclosed by the utility model has the advantages of simple structure and convenience in use; a hard hearing machine is dispensed, daily activities of a patient is free from influence, favorable attractiveness is obtained and the mental health of the patients is better facilitated; and due to the adoption of various work modes, the reliability and the safety of the artificial cochlea are improved.
Description
Technical field
This utility model relates to bionical medical electronic technical field, specifically a kind of wireless rechargeable type artificial cochlea.
Background technology
The artificial cochlea is the higher a kind of electronic installation of present bionics scientific and technological content, is mainly used in to help to wear the bad or absolutely void severe of sonifer effect, utmost point severe deafness patient.The artificial cochlea converts sound wave to faint current signal; And this current signal passed in the internal ear (cochlea); Stimulate the acoustic fibers of cochlea the inside to produce neural impulse through the multi-channel electrode of implanting cochlea, and neural impulse is passed to brain, thereby form audition.
The artificial cochlea is implanted into device by body and forms with wearing in external speech processor, and external machine comprises mike, amplifying circuit, voice signal processing and coding circuit and radio frequency transtation mission circuit, and implant comprises receiving coil, decoding chip and stimulating electrode; Voice signal converts the signal of telecommunication into by the mike collection earlier; Through special digitized processing, according to the certain strategy coding, be sent in the body through the wireless transmit coil of wearing behind ear then again; After the receiving coil of implant is sensed signal; Through the decoding chip decoding, make the electrode of implanting cochlea produce electric current, thereby stimulate acoustic nerve to produce audition.
At present, the artificial cochlea is the multiple tracks artificial cochlea, and it is implanted into device by body and forms with wearing in external speech processor; Implant comprises wireless receiving coil, decoding chip and stimulating electrode, and external machine comprises mike, amplifying circuit, voice signal processing and coding circuit and radio frequency transtation mission circuit, according to the position encoded principle of people's ear; External machine is earlier with voice signal process coding, modulation; Send to implant through radio frequency, after implant received signal, its decoding chip carried out demodulation, decoding; Stimulate N implant electrode then, thereby stimulate acoustic nerve to produce audition.Because external transmitting coil also transmits the work energy of implant in the time of the voice signal behind the implant launching code; So have only external transmitting coil is pressed close to the efficient that the implant receiving coil could improve power transfer; For guaranteeing artificial cochlea's steady operation, present artificial cochlea system all is to adopt thisly to press close to coupled modes and transmit electric energy.
The problem that prior art exists is: implantation person must wear external transmitting coil at any time, and the one, influence active degree of freedom, the 2nd, influence attractive in appearance; Bring influence for implantation person's psychology; And implant part has only single powered operation circuit, and when this part breaks down, system will lose efficacy.
The utility model content
The purpose of this utility model is a kind of wireless rechargeable type artificial cochlea who provides to the deficiency of prior art, adopts the voice and the power transfer of two kinds of powering modes, supports multiple mode of operation; Not only exempted the hard of hearing machine of external transmitting coil, satisfied the needs of the little power consumption of implant again, minicell can repeat to discharge and recharge; Life-span is long; Greatly make things convenient for the patient to use, and more attractive in appearance, and reliability and safety are higher.
The concrete technical scheme that realizes this utility model purpose is: a kind of wireless rechargeable type artificial cochlea; Comprise cochlear implantation prosthesis that forms by receiving coil, decoding stimulator, multi-channel electrode serial connection and the external machine that forms by mike, amplifying circuit, speech processing circuit, radio-frequency transmissions circuit, wireless signal dual-mode antenna serial connection; Its characteristics is characterized in that being provided with in the cochlear implantation prosthesis charging circuit and micro cell; Charging circuit one end is connected with receiving coil; The other end is connected with micro cell with the decoding stimulator respectively, and micro cell is connected with the decoding stimulator; Be provided with the wireless charging transmitting coil in the external machine, wireless charging transmitting coil and wireless signal dual-mode antenna and radio frequency transtation mission circuit also connect; After the voice signal that external machine is collected mike by amplifying circuit amplifies; Through filtering, noise reduction and the amplitude modulation of speech processing circuit, carry out the transmission of signal and electric energy by the radio frequency transtation mission circuit through wireless signal dual-mode antenna and wireless charging transmitting coil and cochlear implantation prosthesis then; Cochlear implantation prosthesis inserts decoding stimulator and charging circuit by receiving coil respectively with voice and electric power signal; Charging circuit is respectively power supply of decoding stimulator and micro cell charging, and the decoding stimulator makes multi-channel electrode produce auditory nerve with current forms output voice signal to stimulate.
Said decoding stimulator is by charging circuit or micro cell power supply, and micro cell is the lithium battery that fills, supplies power and can carry out simultaneously, and charging circuit is provided with charge protection, and the switching of its powering mode is undertaken by being arranged on manually or automatically controlling in the external machine.
The signal of said cochlear implantation prosthesis and external machine and the mode of operation of electric energy transmitting are the A mode of operation of the coil coupling power supply of the receiving coil wireless transmission received speech signal and the wireless charging transmitting coil that pass through the wireless signal dual-mode antenna; Receiving coil is through the wireless transmission received speech signal of wireless signal dual-mode antenna and the B mode of operation of micro cell power supply; The coil of receiving coil through the wireless charging transmitting coil is coupled to the C mode of operation of micro cell charging or receiving coil through the coil coupling power supply of wireless charging transmitting coil and the D mode of operation of wireless transmission received speech signal.
A when said A mode of operation is the coil coupling edge power supply limit charging of the receiving coil wireless transmission received speech signal and the wireless charging transmitting coil that pass through the wireless signal dual-mode antenna
+Duty or receiving coil are through wireless transmission received speech signal and the coil coupling power supply of wireless charging transmitting coil and the A that charging has finished of wireless signal dual-mode antenna
-Duty.
This utility model compared with prior art has simple in structure; Easy to use, exempted the hard of hearing machine of external transmitting coil, patient's daily routines are unaffected; Aesthetics is good; The mental health that more helps the patient has been realized the transmission means of two kinds of powering modes and two kinds of voice signals, further improves artificial cochlea's reliability and safety.
Description of drawings
Accompanying drawing 1 is this utility model structural representation;
Accompanying drawing 2 is A
+Working state schematic representation;
Accompanying drawing 3 is A
-Working state schematic representation;
Accompanying drawing 4 is a B mode of operation sketch map;
Accompanying drawing 5 is a C mode of operation sketch map;
Accompanying drawing 6 is a D mode of operation sketch map.
The specific embodiment
Consult accompanying drawing 1, this utility model comprises cochlear implantation prosthesis 1 that is formed by receiving coil 9, decoding stimulator 10, multi-channel electrode 11 serial connections and the external machine 2 that is formed by mike 3, amplifying circuit 4, speech processing circuit 5, radio-frequency transmissions circuit 6, wireless signal dual-mode antenna 7 serial connections; Be provided with charging circuit 12 and micro cell 13 in the cochlear implantation prosthesis 1, charging circuit 12 1 ends are connected with receiving coil 9, and the other end is connected with micro cell 13 with decoding stimulator 10 respectively, and micro cell 13 is connected with decoding stimulator 10; Be provided with wireless charging transmitting coil 8 in the external machine 2, wireless charging transmitting coil 8 and wireless signal dual-mode antenna 7 and radio frequency transtation mission circuit 6 also connect; After the voice signal that external machine 2 is collected mike 3 by amplifying circuit 4 amplifies; Through filtering, noise reduction and the amplitude modulation of speech processing circuit 5, carry out the transmission of signal and electric energy by radio frequency transtation mission circuit 6 through wireless signal dual-mode antenna 7 and wireless charging transmitting coil 8 and cochlear implantation prosthesis 1 then; Cochlear implantation prosthesis 1 inserts decoding stimulator 10 and charging circuit 12 by receiving coil 9 respectively with voice and electric power signal; Charging circuit 12 is respectively 10 power supplies of decoding stimulator and micro cell 13 chargings, and decoding stimulator 10 produces 11 pairs of auditory nerves of multi-channel electrode with current forms output voice signal to stimulate.
Said cochlear implantation prosthesis 1 is transmitted as with signal and the electric energy of external machine 2: the A mode of operation that the coil of wireless transmission received speech signal and the wireless charging transmitting coil 8 of receiving coil 9 through wireless signal dual-mode antenna 7 is coupled and supplies power; The A mode of operation has two kinds of duties, the A when charge in the coil coupling edge power supply limit of a kind of wireless transmission received speech signal that is receiving coil 9 through wireless signal dual-mode antenna 7 and wireless charging transmitting coil 8
+Duty, another kind of wireless transmission received speech signal and the coil coupling power supply of wireless charging transmitting coil 8 and the A that charging has finished that is receiving coil 9 through wireless signal dual-mode antenna 7
-Duty; Receiving coil 9 is through the wireless transmission received speech signal of wireless signal dual-mode antenna 7 and the B mode of operation of micro cell 13 power supplies; Receiving coil 9 is through the C mode of operation of coil coupling power supply with the transmission of superposing voice signal of wireless charging transmitting coil 8; Receiving coil 9 is through the coil coupling power supply of wireless charging transmitting coil 8 and the D mode of operation of wireless transmission received speech signal; Subsequent use mode of operation when above-mentioned C mode of operation is wireless signal dual-mode antenna 7 faults.
Said decoding stimulator 10 is by charging circuit 12 or micro cell 13 power supplies; The lithium battery of micro cell 13 for filling, supply power and carrying out simultaneously; Charging circuit 12 is for being provided with charge protection, and the switching of its powering mode is undertaken by being arranged on manually or automatically controlling in the external machine 2.
Consult accompanying drawing 2, this utility model is A
+Duty: when micro cell 13 electric weight are not enough; External machine 2 sends the insufficient signal prompt of battery electric quantity through 7 pairs of cochlear implantation prosthesises of wireless signal dual-mode antenna 1; Please wear wireless charging coil 8 by user; Through coil coupling the work energy of cochlear implantation prosthesis 1 is provided by receiving coil 9, receiving coil 9 is given charging circuit 12 through the coil coupling with electric energy transmitting, and charging circuit 12 is with electric energy input decoding stimulator 10; Make multi-channel electrode 11 directly stimulate auditory nerve with current forms output voice signal by decoding stimulator 10, charging circuit 12 is imported micro cell 13 chargings with electric energy simultaneously.Carry out signal wireless transmission between the wireless receiving and dispatching antenna 7 of external machine 2 and the receiving coil 9 of implant 1, at this moment, micro cell 13 is connected K2 with the power supply of decoding stimulator 10 and breaks off, with the guarantee stable single power supply of stimulator 10 of decoding.
Consult accompanying drawing 3, this utility model is A
-Duty: when micro cell 13 electric weight are full of; External machine 2 sends the signal prompt that battery is full of through 7 pairs of cochlear implantation prosthesises of wireless signal dual-mode antenna 1; In time do not take off wireless charging coil 8 like user, the present invention then gets into the A that the work energy of cochlear implantation prosthesis 1 is provided through the coil coupling by receiving coil 9 automatically
-Mode of operation, receiving coil 9 is given charging circuit 12 through the coil coupling with electric energy transmitting, and charging circuit 12 makes multi-channel electrode 11 directly stimulate auditory nerve with current forms output voice signal by decoding stimulator 10 electric energy input decoding stimulator 10.At this moment; Charging circuit 12 breaks off with the K1 that is connected of micro cell 13, and charging circuit 12 breaks off with the K2 that is connected of decoding stimulator 10, and charging circuit 12 is not to micro cell 13 chargings; Micro cell 13 is not to 10 power supplies of decoding stimulator; After user took off wireless charging coil 8, this utility model just got into the B mode of operation by 10 power supplies of 13 pairs of decoding stimulators of micro cell.
Consult accompanying drawing 4; This utility model is the B mode of operation: carry out the signal wireless transmission between the wireless receiving and dispatching antenna 7 of external machine 2 and the receiving coil 9 of cochlear implantation prosthesis 1; At this moment; 13 pairs of decoding stimulators 10 of micro cell are supplied power, and the K4 that is connected of charging circuit 12 and receiving coil 9 breaks off, charging circuit 12 and decoding stimulator 10 and micro cell 13 be connected K3 and K1 disconnection; The power supply that has guaranteed 13 pairs of decoding stimulators 10 of micro cell is stable; Receiving coil 9 inserts decoding stimulator 10 with the coupled voice signal of coil, and decoding stimulator 10 is by micro cell 13 power supplies, and decoding stimulator 10 makes multi-channel electrode 11 directly stimulate auditory nerve with current forms output voice signal.When being adopted as the B mode of operation; User need not to wear wireless charging coil 8, is directly carried out the wireless transmission of voice signal by the wireless receiving and dispatching antenna 7 and the receiving coil 9 of cochlear implantation prosthesis 1, and outward appearance and ordinary person are as good as; Patient's daily routines are unaffected, help patient's mental health.
Consult accompanying drawing 5; This utility model is the C mode of operation: receiving coil 9 is given charging circuit 12 through the coil coupling of wireless charging transmitting coil 8 with electric energy transmitting; Charging circuit 12 is imported micro cell 13 charging with electric energy, at this moment, charging circuit 12 and micro cell 13 and the stimulator 10 of decoding be connected K3 and K2 disconnection; The voice signal treatment circuit 5 of external machine 2 quits work; Not to cochlear implantation prosthesis 1 transmission of speech signals, after micro cell 13 was full of electricity, 2 automatic charge closing duties of external machine were C mode of operation and shutdown system.
Consult accompanying drawing 6; This utility model is the D mode of operation: carry out signal wireless transmission and coil coupling power supply between the wireless charging transmitting coil 8 of external machine 2 and the receiving coil 9 of cochlear implantation prosthesis 1; Receiving coil 9 is given charging circuit 12 through wireless charging transmitting coil 8 with the coupled electric energy transmitting of coil; By charging circuit 12 electric energy is imported decoding stimulator 10; Simultaneously, receiving coil 9 inserts decoding stimulator 10 with wireless charging transmitting coil 8 synergetic voice signals through wireless transmission, makes multi-channel electrode 11 directly stimulate auditory nerve with current forms output voice signal by decoding stimulator 10.The D mode of operation is the subsequent use mode of operation after wireless receiving and dispatching antenna 7 breaks down, and after wireless receiving and dispatching antenna 7 broke down, user adopted the D mode of operation still can carry out normal voice and receives.
This utility model is like this work: the mike 3 of external machine 2 be used to collect voice signal then by amplifying circuit 4 amplify, AGC and preemphasis handle; 5 pairs of voice signals of voice signal treatment circuit carry out anti-interference filtration, noise reduction and amplitude adjustment to be handled the back and carries out the rf modulations of voice signal by radio frequency transtation mission circuit 6, carries out signal and electric energy transmitting by wireless signal dual-mode antenna 7 and wireless charging transmitting coil 8 and cochlear implantation prosthesis 1 then.Cochlear implantation prosthesis 1 is voice and test signal after 10 transfer encodings of decoding stimulator when for charging circuit 12 electric energy being provided by receiving coil 9; The voice signal of 10 pairs of inputs of decoding stimulator carries out exporting with current forms after modulation and the encoding and decoding, and stimulates the acoustic nerve of cochlea through multi-channel electrode 11.
Wireless signal dual-mode antenna 7 adopts one pole column antenna; Selecting the ISM working frequency range for use is cochlear implantation prosthesis 1 voice signal; Carry out the transmission of signal and electric energy between the receiving coil 9 of pressing close to coupled modes and cochlear implantation prosthesis 1 of wireless charging transmitting coil 8 stackable voice signal when transmitting electric energy, this press close to that coupled modes are merely that wireless signal dual-mode antenna 7 breaks down or during micro cell 13 inefficacies as the selection use of subsequent use mode of operation.When adopting A
+, A
-Or during the B mode of operation, the voice signal that implant receiving coil 9 receives from wireless signal dual-mode antenna 7 inserts decoding stimulator 10 then and carries out modulation and encoding and decoding processing; When adopting the D mode of operation, receiving coil 9 receives electric energy and the voice signal that adopts coupled modes to transmit from wireless charging transmitting coil 8 simultaneously, and access is decoded then, and stimulator 10 carries out modulation and encoding and decoding are handled.A
+And A
-Mode of operation is switched and is selected by being arranged on automatic or manual control models in the external machine 2; When patient's sleep or rest; Changeable manual control gets into the C mode of operation, and wireless charging transmitting coil 8 is merely able to micro cell 13 chargings in implant 1 at this moment, and the voice signal treatment circuit 5 of external machine 2 quits work; Not to implant 1 transmission of speech signals, micro cell 13 is full of behind the electricity then charge closing pattern automatically.
More than just this utility model being further described, is not in order to the restriction this patent, and all is that this utility model equivalence is implemented, and all should be contained within the claim scope of this patent.
Claims (4)
1. wireless rechargeable type artificial cochlea; Comprise cochlear implantation prosthesis (1) that forms by receiving coil (9), decoding stimulator (10), multi-channel electrode (11) serial connection and the external machine (2) that forms by mike (3), amplifying circuit (4), speech processing circuit (5), radio-frequency transmissions circuit (6), wireless signal dual-mode antenna (7) serial connection; It is characterized in that being provided with in the cochlear implantation prosthesis (1) charging circuit (12) and micro cell (13); Charging circuit (12) one ends are connected with receiving coil (9); The other end is connected with micro cell (13) with decoding stimulator (10) respectively, and micro cell (13) is connected with decoding stimulator (10); Be provided with wireless charging transmitting coil (8) in the external machine (2), wireless charging transmitting coil (8) and wireless signal dual-mode antenna (7) and radio frequency transtation mission circuit (6) also connect; After the voice signal that external machine (2) is collected mike (3) by amplifying circuit (4) amplifies; Filtering, noise reduction and amplitude modulation through speech processing circuit (5) are carried out the transmission of signal and electric energy through wireless signal dual-mode antenna (7) and wireless charging transmitting coil (8) with cochlear implantation prosthesis (1) by radio frequency transtation mission circuit (6) then; Cochlear implantation prosthesis (1) inserts decoding stimulator (10) and charging circuit (12) by receiving coil (9) respectively with voice and electric power signal; Charging circuit (12) is respectively decoding stimulator (10) power supply and micro cell (13) charging, and decoding stimulator (10) makes multi-channel electrode (11) produce auditory nerve with current forms output voice signal to stimulate.
2. according to the said wireless rechargeable type artificial cochlea of claim 1; It is characterized in that said decoding stimulator (10) is by charging circuit (12) or micro cell (13) power supply; The lithium battery of micro cell (13) for filling, supply power and carrying out simultaneously; Charging circuit (12) is provided with charge protection, and the switching of its powering mode is undertaken by being arranged on manually or automatically controlling in the external machine.
3. according to the said wireless rechargeable type artificial cochlea of claim 1, be coupled coil that the C mode of operation of charging to micro cell (13) or receiving coil (9) pass through wireless charging transmitting coil (8) of the signal that it is characterized in that said cochlear implantation prosthesis (1) and external machine (2) and the electric energy transmitting B mode of operation that to be receiving coil (9) supply power through the A mode of operation of the coil coupling power supply of the wireless transmission received speech signal of wireless signal dual-mode antenna (7) and wireless charging transmitting coil (8), receiving coil (9) wireless transmission received speech signal through wireless signal dual-mode antenna (7) and micro cell (13), receiving coil (9) coil through wireless charging transmitting coil (8) is coupled and supplies power and the D mode of operation of wireless transmission received speech signal.
4. according to the said wireless rechargeable type artificial cochlea of claim 3, the A when charge in the coil coupling edge power supply limit that it is characterized in that wireless transmission received speech signal that said A mode of operation is a receiving coil (9) through wireless signal dual-mode antenna (7) and wireless charging transmitting coil (8)
+Duty or receiving coil (9) are through wireless transmission received speech signal and the coil coupling power supply of wireless charging transmitting coil (8) and the A that charging has finished of wireless signal dual-mode antenna (7)
-Duty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220115380XU CN202505594U (en) | 2012-03-26 | 2012-03-26 | Wireless chargeable artificial cochlea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220115380XU CN202505594U (en) | 2012-03-26 | 2012-03-26 | Wireless chargeable artificial cochlea |
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| Publication Number | Publication Date |
|---|---|
| CN202505594U true CN202505594U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220115380XU Expired - Lifetime CN202505594U (en) | 2012-03-26 | 2012-03-26 | Wireless chargeable artificial cochlea |
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| CN (1) | CN202505594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102600011A (en) * | 2012-03-26 | 2012-07-25 | 上海力声特医学科技有限公司 | Wireless rechargeable-type artificial cochlea |
| CN107124234A (en) * | 2017-06-01 | 2017-09-01 | 浙江诺尔康神经电子科技股份有限公司 | One kind is wirelessly transferred coil and come off observation circuit and system |
-
2012
- 2012-03-26 CN CN201220115380XU patent/CN202505594U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102600011A (en) * | 2012-03-26 | 2012-07-25 | 上海力声特医学科技有限公司 | Wireless rechargeable-type artificial cochlea |
| CN107124234A (en) * | 2017-06-01 | 2017-09-01 | 浙江诺尔康神经电子科技股份有限公司 | One kind is wirelessly transferred coil and come off observation circuit and system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |