CN207785664U - The embedded integral type implantable heart pacer of wireless charging function - Google Patents
The embedded integral type implantable heart pacer of wireless charging function Download PDFInfo
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- CN207785664U CN207785664U CN201721309802.6U CN201721309802U CN207785664U CN 207785664 U CN207785664 U CN 207785664U CN 201721309802 U CN201721309802 U CN 201721309802U CN 207785664 U CN207785664 U CN 207785664U
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- wireless charging
- pacemaker
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Abstract
The utility model discloses the integral type implantable heart pacers that a kind of wireless charging function embeds, including the wireless charging transmitting terminal being placed in outside human body and the wireless charging receiving terminal for being placed in intracavitary in pacemaker, wireless charging transmitting terminal includes high-frequency exiting power, driving circuit, power amplifier, radiating circuit and transmitting coil, and wireless charging receiving terminal includes receiving coil, receiving circuit, current rectifying and wave filtering circuit, charging monitoring circuit, rechargeable battery and pulse generator.The utility model uses magnetic coupling resonance manner wireless transmission energy, and wireless charging receiving terminal is embedded in pacemaker, the connecting line between receiving terminal and rechargeable battery is thoroughly eliminated, and reduces connecting line and falls off, is broken or the risk of aging；Wireless charging receiving terminal and impulse generator are integrated in a cavity, integral type pacemaker is prepared as, is not increased in vivo by the surface of a wound, is reduced the pain for implanting pacemaker patient, greatly improve the quality of life of patient.
Description
Technical field
The utility model is related to the embedded integral type implantation of a kind of pacemaker more particularly to a kind of wireless charging function
Pacemaker.
Background technology
The World Health Organization counts, and there are about 17,500,000 people to die of heart disease every year in the whole world at present.Bradycardia, the rhythm of the heart lose
Often, heart failure leads to death.Pacemaker has become treatment cardiovascular disease, such as the stopping of sinus property, sino atrial block, the atrium/heart
There is the important means of the diseases such as ectopic rhythm and tachycardia in room.Artificial cardiac pacemaker generally can be divided into external interim type and
Two kinds of embedded type, the former is mainly used for providing first aid temporary cardiac pacing, and the latter mainly supplies being chronically implanted property pacing therapy.It plants
Enter type pacemaker be it is a kind of being implanted in internal electronic therapeutic instrument, by impulse generator, battery, catheter electrode three parts
Composition, operation principle are：Battery provides energy to impulse generator；Impulse generator generates electric pulse, passes through lead electrode
Conduction, the cardiac muscle that stimulating electrode is contacted, make heart excitement and shrink, to reach treatment due to certain arrhythmia caused
Heart dysfunction purpose.
Since First pacemaker in 1958 is implanted into human body, pacemaker manufacturing technology and technique are fast-developing, work(
It can be gradually improved.Currently, at least 5,000,000 people sustain life by Implanted cardiac pacemaker treatment in the world, and this
Data are every year all in the speed increase by about 15%.Patient's pacemaker that the U.S. has 30 to 40 ten thousand heartbeats too slow every year, and
China needs the patient of pacemaker and this number almost the same, but actual installation person only has 1.5 ten thousand to 2 ten thousand people left
The right side is no more than the 1/5 of India；US and European is respectively 800 and 600 left sides per a population of one million cardiac Pacemaker implantation amount
The right side, and Chinese pacemaker implantation amount is only per a population of one million 20 or so at present.The implantation of China's pacemaker at present
Rate is low, and has 100,000 or more the newly-increased patients for needing implantable heart pacer, with the arrival of aging society, cardiovascular disease every year
Disease has the tendency that sharply increasing, and therefore, demand of the following China to heart heartstart is huge.
Currently, heart heartstart mostly uses disposable lithium-iodine battery both at home and abroad, energy supplement cannot be carried out after implantation.
When the electricity of battery consumption about 85% (typically about 5~7 years), it cannot ensure the normal work of pacemaker, it is necessary to and
Shi Genghuan is implanted into new pacemaker again.This not only increases new physiology pain, operation risk and financial burden to patient,
And constrain the use value of Implanted cardiac pacemaker.In particular, patient is to pacemaker, when electricity exhausts not
It holds, or even needs periodically hospital to be gone to be checked in before service life 1~2 year, this can undoubtedly cause some old ages
The inconvenience of patient.Therefore, there is an urgent need to the new technologies without using battery or external wireless power, so that all kinds of pacemakers are true
It is positive to realize " primary implantation uses all the life ", exempt patient and operates on the trouble and worry for replacing implantation again.
It realizes wireless charging, has three ways, such as microwave, electromagnetic induction and magnetic coupling resonance.Microwave mode can realize high power
And remote transmission, but directionality is poor, is unable to cut-through object, and big, easily fever is lost.Electromagnetic induction method, passing can principle class
Be similar to transformer, realize it is simple, the disadvantage is that transmission range is short, mostly mm grades (generally within 2cm), and it is generally desirable to coils just
Right, i.e., transmitting and receiving coil only have to be bonded completely substantially could transmit energy, and therefore, common mode is by charging equipment
It is placed on one " tablet ", typical products are charging pad.The common mobile phone of exhibition and electric toothbrush wireless charging mostly use electricity
Magnetic inductive.The third be magnet coupled resonant type wireless pass can technology, transmission range relatively far away from, efficiency it is relatively high, to people
Body is substantially harmless.The technology is newer, in 2007 by propositions such as Massachusetts Institute Technology M.Soljacic, utilizes the technology point
60 watts of light bulbs outside bright two meters, and set up WiTricity companies.
In recent years, carrying out wireless charging to pacemaker using electromagnetic induction and magnetic coupling resonance manner has some reports.
Such as：Chinese invention patent《Power adjustable formula wireless charging device applied to Implanted cardiac pacemaker》(application number
CN201410004449.5, date of application 2014.01.06) disclose it is a kind of using electromagnetic induction to Implanted cardiac pacemaker
The method for carrying out wireless charging, wherein in transmitting terminal using three-dimensional round table-like transmission spiral coil and bowl-type power regulation list
Member adjusts the transmission power of transmitting coil, to solve radio energy-transmitting efficiency caused by electromagnetic energy power excessively dissipates too low
The problem of even failing.Chinese invention patent《A kind of implantable cardiac artificial or electronic heart pacemaker magnetic coupling resonance wireless charging device》(application
Number CN201310493063.0, date of application 2013.10.18) and《The wireless charging method of pacemaker based on magnetic resonance
And device》(number of patent application CN201410025298.1, date of application 2014.01.20) is proposed using magnetic coupling resonance
The method that mode carries out wireless power to pacemaker.
Due to the lithium-iodine battery and impulse generator of pacemaker, it is both placed in sky closed made of titanium alloy welding
Between in because metal can stop magnetic field, the wireless charging method used at present is obtained in the receiving terminal of wireless charging
After energy, then connect by conducting wire, charged the battery, i.e. wireless charging with the rechargeable battery in pacemaker
Receiving terminal be located in except pacemaker.Two problems can be brought in this way：When the receiving terminal of wireless charging with rise
Fight and need circuit connecting wire between device, there are connecting lines to fall off, be broken or circuit connection that aging etc. is brought whether reliable wind
Danger；Second is that the component to implant is other than pacemaker, and has increased the receiving terminal of wireless charging newly, in this way, increasing in vivo
The risk infected by the surface of a wound and patient.
Invention content
In order to overcome drawbacks described above, the utility model to provide a kind of integral type implantation heart that wireless charging function is embedded
Pacemaker, can once perform the operation implantation, exempt patient and operate on the trouble and worry for replacing implantation again, while reduce patient's infection
Risk.
The utility model in order to solve its technical problem used by technical solution be：A kind of wireless charging function is embedded
Integral type implantable heart pacer, including the wireless charging transmitting terminal being placed in outside human body and the nothing for being placed in intracavitary in pacemaker
Micro USB electricity receiving terminal, the wireless charging transmitting terminal include high-frequency exiting power, driving circuit, power amplifier, radiating circuit
And transmitting coil, the high-frequency exiting power generate the sinusoidal signal of high-frequency low-power, and connect the driving circuit；The drive
The sinusoidal signal is converted to square-wave signal and is sent into the power amplifier by dynamic circuit built-in chip；The power amplifier
It is sent into the radiating circuit after the square-wave signal is amplified；Radiating circuit generation resonance in parallel with the transmitting coil；
The transmitting coil generates alternating magnetic field and launches electromagnetic energy；The wireless charging receiving terminal include receiving coil,
Receiving circuit, current rectifying and wave filtering circuit, charging monitoring circuit, rechargeable battery and pulse generator, the receiving coil with it is described
Receiving circuit parallel connection generates resonance, and receives the alternating magnetic field that the transmitting coil generates, while generating alternating current and accessing
The alternating current of reception is changed into direct current and accesses the charging monitoring by the current rectifying and wave filtering circuit, the current rectifying and wave filtering circuit
Circuit；The charging monitoring circuit is by radio frequency communication module and program control instrument interactive information, and by the direct current of front end rectification
Power supply it is controllable be filled with the rechargeable battery；The rechargeable battery provides energy constant for the pulse generator.
It is to be further improved as the utility model, the pacemaker is with bio-compatible towards external shell
The non-magnetic material of property is made.
It is to be further improved as the utility model, the non-magnetic material is polyurethane, silica gel, polylactic acid and epoxy
At least one in resin.
It is to be further improved as the utility model, the high-frequency exiting power generates the sinusoidal signal of 6.78MHz, power supply
Voltage is 3.3V；The sinusoidal signal is converted to the square wave that level is 12V and believed by UCC27511 chips built in the driving circuit
Number it is sent into the power amplifier.
It is to be further improved as the utility model, NTP8G202N types GaN transistor power amplifier built in the power amplifier
Chip forms E power-like amplifiers.
It is to be further improved as the utility model, the transmitting coil and receiving coil are all made of printed circuit board plane
Mode makes, and the size of the receiving coil is less than the size of original battery in the pacemaker inner cavity.
It is to be further improved as the utility model, the total volume of the wireless charging receiving terminal is less than the cardiac pacing
The space of original battery in device.
The utility model has the beneficial effects that：
1, wireless charging receiving terminal is embedded in pacemaker, is thoroughly eliminated between receiving terminal and rechargeable battery
Connecting line, reduce connecting line and fall off, be broken or the risk of aging.
2, wireless charging receiving terminal and impulse generator are integrated in a cavity, are prepared as integral type pacemaker, not
Increase in vivo by the surface of a wound, reduces the pain for implanting pacemaker patient, greatly improve the quality of life of patient.
3, wireless charging technology is used for pacemaker, without carrying out surgical operation, you can to the heart in implantation human body
Dirty pacemaker charges, and avoids thoracic cavity infection equivalent risk caused by operative failure and operation, and reduction implants heart and rises
It fights the pain of device patient, the quality of life of patient is greatly improved, at the same time it can also be patient's Economy type medicine expense.
Description of the drawings
Fig. 1 is the utility model equivalent circuit block diagram.
Specific implementation mode
It in conjunction with attached drawing, elaborates to the utility model, but the scope of protection of the utility model is not limited to following implementations
Example, i.e., in every case with simple equivalent changes and modifications made by present utility model application the scope of the claims and description, all still
Belong within the utility model patent covering scope.
Refering to fig. 1, it is a kind of embedded integral type implantable heart pacer of wireless charging function described in the utility model,
Including the wireless charging transmitting terminal 1 being placed in outside human body and the wireless charging receiving terminal 2 for being placed in intracavitary in pacemaker.
Wireless charging transmitting terminal 1 includes high-frequency exiting power 11, driving circuit 12, power amplifier 13, radiating circuit 14
With transmitting coil 15, high-frequency exiting power 11 generate 6.78MHz high-frequency low-powers sinusoidal signal, supply voltage 3.3V, and
Driving circuit 12, ucc27511 chips built in driving circuit 12 are connected, the square wave that the sinusoidal signal is converted to 12V voltages is believed
Number feeding power amplifier, NTP8G202N types GaN transistor power amplifier chips built in power amplifier form E class power amplifications
Device is sent into radiating circuit 14, the generation resonance in parallel with transmitting coil 15 of radiating circuit 14, transmitting after amplifying the square-wave signal
Coil 15 generates alternating magnetic field and launches electromagnetic energy.
Wireless charging receiving terminal 2 includes receiving coil 26, receiving circuit 21, current rectifying and wave filtering circuit 22, charging monitoring circuit
23, rechargeable battery 24 and pulse generator 25, the generation resonance in parallel with receiving circuit 21 of receiving coil 26, and receive emission lines
The alternating magnetic field that circle 15 generates, while generating alternating current and accessing current rectifying and wave filtering circuit 22, current rectifying and wave filtering circuit 22 will receive
Alternating current be changed into direct current and access charging monitoring circuit 23, charging monitoring circuit 23 by radio frequency communication module with
Program control instrument interactive information, and by the DC power supply of front end rectification it is controllable be filled with rechargeable battery 24, rechargeable battery 24 is arteries and veins
Generator 25 of fighting provides lasting power supply.
Wherein, pacemaker is made towards external shell of the non-magnetic material with bio-compatibility, this is non-magnetic
Property material is preferably one kind or combinations thereof in polyurethane, silica gel, polylactic acid and epoxy resin, especially polyurethane tension
Property is good, and silica gel wearability and bio-compatibility are good.
In addition, the transmitting coil and receiving coil are all made of the making of printed circuit board planar fashion, the ruler of receiving coil
The total volume of the very little size less than original one-shot battery in pacemaker inner cavity, wireless charging receiving terminal is less than cardiac pacing
The space of original battery in device makes wireless charging receiving terminal and pulse generator shape to ensure that intracavitary in pacemaker can be placed in
At an integral device.
The embedded integral type implantable heart pacer of the wireless charging function, in wireless charging transmitting terminal, high frequency pumping
Power supply, generates high-frequency low-power signal, which by its power amplification and keeps linear undistorted through high frequency power amplifier.Through
The high frequency signal transmission that power amplifier amplification generates to transmitting coil, transmitting coil generates alternating magnetic field.The receiving coil of receiving terminal with
Resonance occurs for transmitting coil, realizes energy exchange, after receiving coil receives the alternating magnetic field of transmitting coil, generates alternation electricity
Stream, the alternating current are changed into direct current by current rectifying and wave filtering circuit, charge to rechargeable battery, realize wireless charging.Its
In, the impedance (resistance and capacitance) in the match circuit of receiving terminal is used to adjust the vibration frequency in magnetic field.
The embedded integral type implantable heart pacer of the wireless charging function uses magnetic coupling resonance manner wireless transmission energy
Amount that is to say that transmitting coil and receiving coil equivalent circuit occur when transmitting coil and receiving coil generation magnetic coupling resonance
Resonance, impedance loop is minimum at this time, most of energy is transmitted in resonant path, so that output power, efficiency of transmission and biography
Defeated distance is all larger, and the energy for being very suitable for Implanted cardiac pacemaker supplies, and wireless charging transmitting terminal is placed in outside human body, wireless charging
Electric receiving terminal is built in intracavitary in pacemaker, and receiving terminal is an integral device with pacemaker.
It can be seen that the integral type implantable heart pacer that the wireless charging function embeds embeds wireless charging receiving terminal
In in pacemaker, the connecting line between receiving terminal and rechargeable battery is thoroughly eliminated, connecting line is reduced and falls off, is broken
Or the risk of aging；Wireless charging receiving terminal and impulse generator are integrated in a cavity, integral type pacemaker is prepared as,
Do not increase in vivo by the surface of a wound, reduces the pain for implanting pacemaker patient, greatly improve the quality of life of patient；By nothing
Micro USB power technology is used for pacemaker, without carrying out surgical operation, you can is filled to the pacemaker in implantation human body
Electricity avoids thoracic cavity infection equivalent risk caused by operative failure and operation, reduces the pain for implanting pacemaker patient,
The quality of life for greatly improving patient, at the same time it can also be patient's Economy type medicine expense.
Claims (7)
1. a kind of embedded integral type implantable heart pacer of wireless charging function, it is characterised in that：Including being placed in outside human body
Wireless charging transmitting terminal (1) and the wireless charging receiving terminal (2) for being placed in intracavitary in pacemaker, the wireless charging transmitting terminal
Including high-frequency exiting power (11), driving circuit (12), power amplifier (13), radiating circuit (14) and transmitting coil (15),
The high-frequency exiting power generates the sinusoidal signal of high-frequency low-power, and connects the driving circuit；Built in the driving circuit
The sinusoidal signal is converted to square-wave signal and is sent into the power amplifier by chip；The power amplifier is by the square wave
It is sent into the radiating circuit after signal amplification；Radiating circuit generation resonance in parallel with the transmitting coil；The emission lines
Circle generates alternating magnetic field and launches electromagnetic energy；The wireless charging receiving terminal includes receiving coil (26), receives electricity
Road (21), current rectifying and wave filtering circuit (22), charging monitoring circuit (23), rechargeable battery (24) and pulse generator (25), it is described
Receiving coil generation resonance in parallel with the receiving circuit, and the alternating magnetic field that the transmitting coil generates is received, it generates simultaneously
Alternating current simultaneously accesses the current rectifying and wave filtering circuit, and the alternating current of reception is changed into direct current and connect by the current rectifying and wave filtering circuit
Enter the charging monitoring circuit；The charging monitoring circuit is incited somebody to action by radio frequency communication module and program control instrument interactive information
The DC power supply of front end rectification it is controllable be filled with the rechargeable battery；The rechargeable battery provides for the pulse generator
Energy constant.
2. the embedded integral type implantable heart pacer of wireless charging function according to claim 1, it is characterised in that：Institute
Pacemaker is stated to be made of the non-magnetic material with bio-compatibility towards external shell.
3. the embedded integral type implantable heart pacer of wireless charging function according to claim 2, it is characterised in that：Institute
It is at least one in polyurethane, silica gel, polylactic acid and epoxy resin to state non-magnetic material.
4. the embedded integral type implantable heart pacer of wireless charging function according to claim 1, it is characterised in that：Institute
State the sinusoidal signal that high-frequency exiting power generates 6.78MHz, supply voltage 3.3V；UCC27511 cores built in the driving circuit
The sinusoidal signal is converted to the square-wave signal that level is 12V and is sent into the power amplifier by piece.
5. the embedded integral type implantable heart pacer of wireless charging function according to claim 4, it is characterised in that：Institute
NTP8G202N types GaN transistor power amplifier chips built in power amplifier are stated, E power-like amplifiers are formed.
6. the embedded integral type implantable heart pacer of wireless charging function according to claim 1, it is characterised in that：Institute
It states transmitting coil and receiving coil is all made of the making of printed circuit board planar fashion, the size of the receiving coil is less than the heart
The size of original battery in dirty pacemaker inner cavity.
7. the embedded integral type implantable heart pacer of wireless charging function according to claim 1, it is characterised in that：Institute
The total volume for stating wireless charging receiving terminal is less than the space of original battery in the pacemaker.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721309802.6U CN207785664U (en) | 2017-10-12 | 2017-10-12 | The embedded integral type implantable heart pacer of wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309802.6U CN207785664U (en) | 2017-10-12 | 2017-10-12 | The embedded integral type implantable heart pacer of wireless charging function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728632A (en) * | 2018-12-21 | 2019-05-07 | 复旦大学附属中山医院 | An implantable cardiac pacemaker wireless charging system and operation method |
| CN114583845A (en) * | 2022-03-09 | 2022-06-03 | 辽宁工程技术大学 | Implantable cardiac pacemaker wireless energy supply device based on electromagnetic metamaterial |
-
2017
- 2017-10-12 CN CN201721309802.6U patent/CN207785664U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728632A (en) * | 2018-12-21 | 2019-05-07 | 复旦大学附属中山医院 | An implantable cardiac pacemaker wireless charging system and operation method |
| CN114583845A (en) * | 2022-03-09 | 2022-06-03 | 辽宁工程技术大学 | Implantable cardiac pacemaker wireless energy supply device based on electromagnetic metamaterial |
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