CN203886012U - Power generation system for heart - Google Patents
Power generation system for heart Download PDFInfo
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- CN203886012U CN203886012U CN201420194430.7U CN201420194430U CN203886012U CN 203886012 U CN203886012 U CN 203886012U CN 201420194430 U CN201420194430 U CN 201420194430U CN 203886012 U CN203886012 U CN 203886012U
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- generation system
- main body
- electricity generation
- generating main
- heart
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Abstract
The utility model provides a power generation system for a heart. The power generation system is characterized by comprising a generating main body, an output part, a fixing part and an encapsulated layer. The generating main body has a multi-layer thin film structure and comprises a piezoelectric material layer positioned at the center of the generating main body, electrode layers positioned at two sides of the piezoelectric material layer, and the generating main body is attached to the surface of the heart for collecting heart energy in order to generate electric energy. The fixing part is positioned at the edge of the generating main body and used for fixing the generating main body on an epicardium. The encapsulated layer covers the surfaces of the generating main body, the output part and the fixing part. The output part is connected with the electrode layers and used for sending electric energy generated by the generating main body to a plug-in electronic device. The nanometer power generation system for the heart can continuously generate electric energy as long as the heart beats, and thus power can be continuously supplied to the plug-in electronic device, a battery serving as a power supply is not required, and a problem that a battery needs to be replaced through an operation after being exhausted is solved.
Description
Technical field
This utility model relates to a kind of heart electricity generation system, belongs to medical instruments field.
Background technology
Along with the development of Medical Technology, increasing disease can be treated by the medical electronic equipment of vivo implantation type.Yet the medical electronic equipment that drops into up to now, clinical practice all needs battery as the source of electric energy.For the medical electronic equipment of vivo implantation type, once energy content of battery exhaustion just need to be changed battery by operating mode.This both can cause physiology and spiritual misery to patient, also can increase the financial burden of patient and family thereof.
At inside of human body, flowing of the contractile motion of heart and blood all has stable and continual kinetic energy.If can gather wherein sub-fraction kinetic energy and be converted into electric energy, will be expected to for various implanted electronic equipments power supplies.
Yet because heart is human body " electromotor ", inappropriate collection heart kinetic energy will inevitably affect the function of heart, even causes heart and injury.In addition, traditional induction electromotor volume based on Faraday's law is large, complex structure, and uncomfortable zoarium is implanted into.
Utility model content
For addressing the above problem, this utility model provides the heart electricity generation system in a kind of implantable bioartificial body, is used to the power supply of implanted electronic equipment, it is characterized in that, comprising: generating main body, adjustable side, efferent and encapsulated layer.
Wherein, generating main body is the energy that indirect utilization heartbeat produces by gathering the mechanical energy that aortal when expansion produce, and is translated into electric energy.Generating main body is multi-layer film structure, comprises the piezoelectric material layer that is positioned at central core, and the first electrode layer and the second electrode lay that lay respectively at piezoelectric material layer both sides.Encapsulated layer is covered in the surface of generating main body, adjustable side and efferent, usings the flexible macromolecule insulant of good biocompatibility as encapsulating material.Adjustable side is positioned at the two ends of generating main body, for regulating the length of generating main body.Efferent is used for power delivery to implanted electronic equipment.
In addition, heart electricity generation system of the present utility model can also have such feature: wherein, piezoelectric material layer contains nanoscale piezoelectric, and nanoscale piezoelectric is any one in piezoquartz, piezoelectric ceramics and organic piezopolymer.
In addition, heart electricity generation system of the present utility model can also have such feature: wherein, and the single or multiple lift structure that piezoquartz, piezoelectric ceramics, organic piezopolymer are nano-wire array.
In addition, heart electricity generation system of the present utility model can also have such feature: comprise power storage portion, for storing the electric energy from efferent.
In addition, heart electricity generation system of the present utility model can also have such feature: wherein, power storage portion is miniature rechargeable battery or electric capacity.
In addition, heart electricity generation system of the present utility model can also have such feature: wherein, efferent comprises rectification circuit and output electrode, and rectification circuit is connected between power storage portion and output electrode.
In addition, heart electricity generation system of the present utility model can also have such feature: wherein, the fixed form of adjustable side is operation stitching, titanium clamp pincers closes and any one in bonding of binding agent.
In addition, heart electricity generation system of the present utility model can also have such feature: wherein, one end of adjustable side is single latch, the tip of this latch is level and smooth and towards the outside of generating main body, the other end of adjustable side is draw-in groove, inside one side of draw-in groove has the teeth groove matching with latch, and opposite side is plane, and latch and draw-in groove fasten.
In addition, heart electricity generation system of the present utility model can also have such feature: wherein, implantable electronic device is any one or a few in cardiac pacemaker, cardioverter-defibrillator, brain pacemaker, larynx pacemaker, bladder pacemaker, cochlear implant, electronic video nethike embrane, insulin pump, blood sugar monitoring instrument.
In addition, heart electricity generation system of the present utility model can also have such feature: wherein, heart electricity generation system is less than 140mmHg to aortal pressure.
Utility model effect and effect
The mechanical energy that heart electricity generation system of the present utility model produces when gathering aortectasia and energy that indirect utilization heartbeat produces, and be translated into electric energy.
Because this utility model adopts nanoscale piezoelectric as generating main body, can by the Conversion of energy in organism, be not only electric energy effectively, and volume be small, is more suitable for body and is implanted into.
Because heartbeat can produce stable and continual energy, therefore after implanting this electricity generation system, as long as heartbeat is sustainable generation electric energy, thereby realize the continued power to implanted electronic equipment, removed from and used battery as necessity of power supply, solved after the energy content of battery is exhausted and needed operation to change the problem of battery.
Because having adopted soft loop configuration, this utility model is paperwrapped in aortal outer wall, and can quantitatively control native system to aortal pressure, the mechanical energy of therefore both can be efficiently, having produced while gathering aortectasia fully, can not produce obviously impact to cardiac function again.
In addition, because this utility model adopts the flexible macromolecule insulant encapsulation of good biocompatibility, so can be by electricity generation system and internal milieu isolation, the pressure that also aorta wall deformation can be produced effectively conduct to piezoelectric.
In addition, utilize the adjustable side capable of regulating heart electricity generation system at generating main body two ends to hold aortal tensity, thus the deformation degree of adjustable piezoelectric material and output electric weight.Owing to not containing piezoelectric and electrode layer in adjustable side, therefore use sutures or the clamping timing of titanium can not damage the structure of heart electricity generation system again.
And, because heart electricity generation system of the present utility model is positioned at aorta outside, directly do not contact with blood, thereby do not have the risk of thrombosis and apoplexy (myocardial infarction or cerebral infarction).
Accompanying drawing explanation
Fig. 1 is the structural representation of the heart electricity generation system of this utility model embodiment mono-;
Fig. 2 is the sectional view of the heart electricity generation system of this utility model embodiment mono-;
Fig. 3 is the partial enlarged drawing of the heart electricity generation system a-quadrant of embodiment mono-in Fig. 2;
Fig. 4 is the using state schematic diagram of the heart electricity generation system of this utility model embodiment mono-;
Fig. 5 is that the heart electricity generation system of this utility model embodiment mono-holds aortal sectional view;
Fig. 6 is that the adjustable side of the heart electricity generation system of this utility model embodiment tetra-is the schematic diagram of latch structure;
Fig. 7 is the circuit diagram of this utility model embodiment mono-.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described:
< embodiment mono->
Fig. 1 is the structural representation of heart electricity generation system of the present utility model, and Fig. 2 is the sectional view of heart electricity generation system of the present utility model, and Fig. 3 is the partial enlarged drawing of the heart electricity generation system a-quadrant in Fig. 2.As shown in Figure 1, Figure 2 and Figure 3, heart electricity generation system 10 comprises generating main body 11, adjustable side 12 and output electrode 13.Wherein, generating main body 11 is multi-layer film structure, comprises the piezoelectric material layer 14 that is positioned at main center's layer, and the first electrode layer 15 and the second electrode lay 16 that lay respectively at piezoelectric material layer 14 both sides.Encapsulated layer 17, for having the flexible macromolecule insulant of biocompatibility, is covered in the surface of generating main body 11 and output electrode 13, and encapsulated layer 17 extends to form each adjustable side 12, both sides to the outside of generating main body 11.
Be positioned at the piezoelectric material layer 14 of generating main center layer, by large-scale Parallel Design, the voltage of piezoelectric nano wire monomer can be superposeed, thereby further improve output voltage.The high layer materials of conductivity such as the first electrode layer 15 and the second electrode lay 16 employings are golden or silver-colored are made, and are connected with piezoelectric material layer 14.
Generating main body 11 be crooked circulus under naturalness, and its membrane structure has good elasticity, thus can be submissive hold aorta.
While implanting in vivo, can heart electricity generation system 10 be implanted to aorta 43 around and hold aorta by operating method.By adjusting adjustable side 12 main body 11 that makes to generate electricity, fit tightly again the energy being produced to gather aorta deformation with aortal outer wall.
To aortal excessive compressing, may increase the workload of heart, therefore can between generating main body and aorta wall, to measure 10 pairs of aortal pressure of heart electricity generation system, avoid it to heart, to exert an adverse impact by interim placement force sensor.
Because piezoelectric material layer and electrode layer are not contained in the inside of adjustable side 12, therefore, when using sutures or titanium folder that the both sides of adjustable side 12 are closed, can not cause damage to generating main body 11.
Fig. 4 is using state schematic diagram of the present utility model, and Fig. 5 is that heart electricity generation system 10 of the present utility model holds aortal sectional view.
Below in conjunction with accompanying drawing 4,5, work process of the present utility model is described.As shown in Figure 4 and Figure 5, heart electricity generation system 10 is surrounded on aorta 43.When heart 41 shrinks, the impact of blood flow is expanded aorta 43, as shown in Figure 5, aorta wall 45 can produce a pressure F to generating main body, make piezoelectric material layer 14 that deformation occur, thereby form electric potential difference generation current at its two ends, electric current conducts to output electrode 13 by the first electrode layer 15 and the second electrode lay 16, then by entering power storage portion 42 after rectification circuit 18.
Fig. 7 is the circuit diagram of this utility model embodiment mono-.As shown in Figure 7, generating main body 11 is connected with current rectifying and wave filtering circuit 18, the electric energy that generating main body 11 produces charges to energy storage unit 42 after current rectifying and wave filtering circuit 18, energy storage unit 42 can be used for for electrical appliance be that various implanted electronic equipments are powered.The electronic equipment of implanted can be any one or a few in cardiac pacemaker, cardioverter-defibrillator, brain pacemaker, larynx pacemaker, bladder pacemaker, cochlear implant, electronic video nethike embrane, insulin pump, blood sugar monitoring instrument.
< embodiment bis->
In the present embodiment, the generating shape of main body and the setting of adjustable side are identical with embodiment mono-, and difference part is in the present embodiment, the electric layer employing nanoscale piezoceramic material of main center's layer.
In implantation process, a pressure transducer is placed between generating main body 11 and aorta wall and detects real-time pressure, with the pressure of the 11 pairs of aorta walls of main body of guaranteeing to generate electricity, be less than 140mmHg.
Another one is distinguished part and is, in the present embodiment, adjustable side 12 adopts titaniums clamping fixed.
< embodiment tri->
In the present embodiment, the generating shape of main body and the setting of adjustable side are identical with embodiment mono-, and difference part is in the present embodiment, the piezoelectric material layer employing piezopolymer of main center's layer, and adjustable side adopts the bonding mode of binding agent to be fixed.
< embodiment tetra->
In the present embodiment, the generating shape of main body and the setting of adjustable side are identical with embodiment mono-, difference part is in the present embodiment, adjustable side adopts the structure of latch, and as shown in Figure 6, one end of adjustable side 23 is single latch, crown is level and smooth and towards the outside of generating main body, the other end of adjustable side 23 is draw-in groove, and inside one side of draw-in groove has the teeth groove matching with latch, and opposite side is plane.When implanting, slowly latch is inserted to draw-in groove, working pressure sensor detects the pressure of generating main body to aorta wall simultaneously, slowly tightens up latch, until this pressure reaches 120mmHg to 140mmHg.
Certain heart electricity generation system of the present utility model is not limited to the design described in above embodiment, and its piezoelectric material layer, electrode layer and encapsulated layer all can adopt various existing appropriate materials to make.Heart electricity generation system of the present utility model, also can be for mammal, for the electronic equipment of implanting in mammalian body provides electric energy except can be used for human body.
Claims (9)
1. the heart electricity generation system in implantable organism, is characterized in that, comprising:
Generating main body, adjustable side, efferent and encapsulated layer,
Wherein, described generating main body is used for around aorta, the mechanical energy being produced indirectly to gather heartbeat, and be converted into electric energy.Described generating main body is multi-layer film structure, comprises the piezoelectric material layer that is positioned at central core, and the first electrode layer and the second electrode lay that lay respectively at described piezoelectric material layer both sides;
Described adjustable side is positioned at the two ends of described generating main body, for regulating the length of described generating main body;
Described efferent is used for described power delivery to implanted electronic equipment;
Described encapsulated layer is covered in the surface of described generating main body, described adjustable side and described efferent.
2. heart electricity generation system as claimed in claim 1, is characterized in that:
Wherein, described efferent comprises current rectifying and wave filtering circuit and output electrode, and described current rectifying and wave filtering circuit is connected between described power storage portion and described output electrode.
3. heart electricity generation system as claimed in claim 1, is characterized in that, also comprises:
Power storage portion, is connected with described efferent, for storing the electric energy from described output electrode.
4. heart electricity generation system as claimed in claim 4, is characterized in that:
Wherein, described power storage portion is miniature rechargeable battery or electric capacity.
5. heart electricity generation system as claimed in claim 1, is characterized in that:
Wherein, the fixed form of described adjustable side is used operation stitching, titanium clamp pincers closes and any one in bonding of binding agent.
6. heart electricity generation system as claimed in claim 1, is characterized in that:
Wherein, one end of described adjustable side is single latch, and the tip of this latch is level and smooth and towards the outside of generating main body, the other end of described adjustable side is draw-in groove, inside one side of draw-in groove has the teeth groove matching with described latch, and opposite side is plane, and described latch and described draw-in groove fasten.
7. heart electricity generation system as claimed in claim 1, is characterized in that:
Wherein, described encapsulated layer is usingd the flexible macromolecule insulant of good biocompatibility as encapsulating material.
8. heart electricity generation system as claimed in claim 1, is characterized in that:
Wherein, described implanted electronic equipment is any one or a few in cardiac pacemaker, cardioverter-defibrillator, brain pacemaker, larynx pacemaker, bladder pacemaker, cochlear implant, electronic video nethike embrane, insulin pump, blood sugar monitoring instrument.
9. heart electricity generation system as claimed in claim 1, is characterized in that:
Wherein, described heart electricity generation system is less than 140mmHg to aortal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194430.7U CN203886012U (en) | 2013-12-26 | 2014-04-21 | Power generation system for heart |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870350 | 2013-12-26 | ||
| CN201320870350.4 | 2013-12-26 | ||
| CN201420194430.7U CN203886012U (en) | 2013-12-26 | 2014-04-21 | Power generation system for heart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203886012U true CN203886012U (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420194430.7U Expired - Fee Related CN203886012U (en) | 2013-12-26 | 2014-04-21 | Power generation system for heart |
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| Country | Link |
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| CN (1) | CN203886012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262191A (en) * | 2015-09-25 | 2016-01-20 | 南京通孚轻纺有限公司 | Continuous power supply method for implanted device |
| CN108880318A (en) * | 2018-05-11 | 2018-11-23 | 浙江大学 | A kind of slidingtype electrostatic prisoner's energy device of human heart beating |
-
2014
- 2014-04-21 CN CN201420194430.7U patent/CN203886012U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262191A (en) * | 2015-09-25 | 2016-01-20 | 南京通孚轻纺有限公司 | Continuous power supply method for implanted device |
| CN105262191B (en) * | 2015-09-25 | 2018-08-14 | 南京通孚轻纺有限公司 | A kind of continued power method of implanted equipment |
| CN108880318A (en) * | 2018-05-11 | 2018-11-23 | 浙江大学 | A kind of slidingtype electrostatic prisoner's energy device of human heart beating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20170421 |