CN203816091U - Bioenergy cardiac pacemaker - Google Patents
Bioenergy cardiac pacemaker Download PDFInfo
- Publication number
- CN203816091U CN203816091U CN201420194437.9U CN201420194437U CN203816091U CN 203816091 U CN203816091 U CN 203816091U CN 201420194437 U CN201420194437 U CN 201420194437U CN 203816091 U CN203816091 U CN 203816091U
- Authority
- CN
- China
- Prior art keywords
- main body
- generating main
- bioenergy
- cardiac pacemaker
- storage unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a bioenergy cardiac pacemaker. The bioenergy cardiac pacemaker is characterized by comprising a heart rate monitoring part, a pulse generator, a stimulation electrode and a power generating part; the power generating part comprises a power generating main body, adjusting ends, output electrodes, an electric energy storage unit and an encapsulation layer; the power generating main body is used to encircle an aorta and to acquire mechanical energy generated when the aorta expands and to convert the mechanical energy into electric energy; the power generating main body has a multilayer film structure, power generating main body comprises a piezoelectric material layer located on a center layer, a first electrode layer and a second electrode layer, and the first electrode layer and the second electrode layer are respectively located on two sides of the piezoelectric material layer; the adjusting ends are located at two ends of the power generating main body and used to adjust the length of the power generating main body; the output electrodes are used to transfer electric energy to the electric energy storage unit; the electric energy storage unit is used to store the electric energy and supply electric power for the pulse generator, the heart rate monitoring part and the stimulation electrode; and the encapsulation layer covers surfaces of the power generating main body, the adjusting ends and the output electrodes. The bioenergy cardiac pacemaker is free of a necessary that a battery is used as a power supply.
Description
Technical field
This utility model relates to a kind of cardiac pacemaker, belongs to medical instruments field.
Background technology
For the not good and frank slow arrhythmia patient of various kinds of drug therapeutic effect, often need to install the cardiac pacemaker of implanted, thereby improve patient's heart rate and cardiac output.But existing Implanted cardiac pacemaker all uses battery as power supply.Generally speaking, the service time of battery of SSI type list chamber pacemaker is 8 years; The service time of battery of SSIR type list chamber pacemaker is 7 years; The service time of battery of DDD type dual chamber pacemaker is 6 years; The service time of battery of DDDR type dual chamber pacemaker is only 5 years.When changing battery by operating mode after battery depletion.In addition, in actual use, there is larger difference according to the difference of patient self heart rate in pacemaker batteries service time.
But the battery of changing cardiac pacemaker by the mode of operation both can cause physiological misery and psychological fear and anxiety to patient, also can increase the financial burden of patient and family thereof.
Utility model content
For addressing the above problem, the invention provides in a kind of implantable and utilize the cardiac pacemaker of self bioenergy power supply, comprise rhythm of the heart monitoring portion, pulse generator and stimulating electrode, it is characterized in that, also comprise: Power Generation Section, Power Generation Section comprises generating main body, adjustable side, output electrode, energy storage unit and encapsulated layer.
Wherein, generating main body is used for holding aorta, the mechanical energy being produced when gathering aortectasia, and be converted into electric energy.Generating main body is multi-layer film structure, comprises the piezoelectric material layer that is positioned at central core, and lays respectively at the first electrode layer and the second electrode lay of piezoelectric material layer both sides.Two adjustable sides are positioned at the two ends of generating main body, for regulating the diameter of generating main body.Output electrode is used for power delivery to energy storage unit.Energy storage unit is also pulse generator, rhythm of the heart monitoring portion and stimulating electrode power supply for storage of electrical energy.Encapsulated layer is covered in generating main body, adjustable side and output electrode surface.
In addition, bioenergy cardiac pacemaker 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, bioenergy cardiac pacemaker of the present utility model can also have such feature: wherein, described power storage portion is miniature rechargeable battery or electric capacity.
In addition, bioenergy cardiac pacemaker of the present utility model can also have such feature: wherein, piezoquartz, piezoelectric ceramics, organic piezopolymer can be the single or multiple lift structure of nano-wire array.
In addition, bioenergy cardiac pacemaker of the present utility model can also have such feature: current rectifying and wave filtering circuit, is connected between energy storage unit and output electrode.
In addition, bioenergy cardiac pacemaker of the present utility model can also have such feature: wherein, and any one during the stitching of fixed form use surgical thread, titanium clamp pincers folder or the binding agent of adjustable side are bonding.
In addition, bioenergy cardiac pacemaker 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, bioenergy cardiac pacemaker of the present utility model can also have such feature: Power Generation Section is less than 140mmHg to aortal pressure.
Invention effect and effect
Bioenergy cardiac pacemaker of the present utility model, by implanting the energy that nanoscale piezoelectric produced when gathering aortectasia and being converted into electric energy, as its energy source.Therefore as long as heartbeat, the present invention can utilize patient's self bioenergy and pace-making heart has removed using battery necessity as power supply from, has solved the problem of changing battery after the energy content of battery is exhausted by operation.
Because this utility model adopts nanoscale piezoelectric as generating main body, not only can effectively the bioenergy in body be converted into electric energy, and volume is small, be more suitable for body and be implanted into.
Because having adopted soft loop configuration, this utility model is paperwrapped in aortal outer wall, and can quantitatively control native system to aortal pressure, therefore mechanical energy that both can be efficiently, produce while gathering aortectasia fully, can not produce obviously impact to cardiac function again.
In addition, because adopting the flexible macromolecule insulant of good biocompatibility, this utility model encapsulates, therefore can be by generating main body and internal milieu isolation, and the pressure that also aorta wall deformation can be produced effectively conduct to piezoelectric.
In addition, utilize the adjustable side capable of regulating generating main body 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 the clamping timing of sutures or titanium can not damage the structure of generating main body again.
And, because generating main body 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).
Brief description of the drawings
Fig. 1 is the structural representation of the bioenergy cardiac pacemaker of this utility model embodiment mono-;
Fig. 2 is the schematic diagram of the generating main body of this utility model embodiment mono-;
Fig. 3 is the internal structure profile of the generating main body of this utility model embodiment mono-;
Fig. 4 is the partial enlarged drawing in main body A region of generating electricity in Fig. 3;
Fig. 5 is that the main body of generating electricity in this utility model embodiment mono-is installed on Supraaortic sectional view;
Fig. 6 is that in this utility model embodiment tetra-, adjustable side is the schematic diagram of latch structure; And
Fig. 7 is the circuit diagram of this utility model embodiment mono-.
Detailed description of the invention
Detailed description of the invention of the present utility model is below described with reference to the accompanying drawings,
< embodiment mono->
Fig. 1 is the structural representation of the bioenergy cardiac pacemaker of this utility model embodiment mono-, and as shown in Figure 1, bioenergy cardiac pacemaker 10 comprises Power Generation Section 200, rhythm of the heart monitoring portion, pulse generator 15, and stimulating electrode 16.Power Generation Section 200 comprises generating main body 11, current rectifying and wave filtering circuit 12 and output electrode 14.
Generating main body 11 is resilient loop configuration, can be surrounded on aorta 18 around, and generating main body 11 inside are nanoscale piezoelectric, can utilize aortal deformation to produce electric energy.The output electrode 14 of generating main body 11 is rear have been connected current rectifying and wave filtering circuit 12 electric energy that main body 11 exports that makes to generate electricity and has become stable.After energy storage unit 13 is connected in current rectifying and wave filtering circuit, for store electrical energy, use for pulse generator 15.Pulse generator 15 is connected to heart 17 by two stimulating electrodes 16.
Fig. 2 is the schematic diagram of the generating main body of this utility model embodiment.As shown in Figure 2, the shape that the original state of generating main body 11 is open loop, respectively has an adjustable side 23 at the two ends of loop configuration, in the time being arranged on aorta outer wall, two adjustable sides need to be linked together.Outer surface in generating main body 11 and adjustable side 23 is coated with encapsulated layer 22.In generating main body, there are two output electrodes 14, for the electric energy output that generating main body is produced.
Fig. 3 is the internal structure profile of the generating main body of this utility model embodiment, as shown in Figure 3, the inside of generating main body 11 is multi-layer film structure, comprise the nanoscale piezoelectric 111 that is positioned at main center's layer, and lay respectively at the first electrode layer 112 and the second electrode lay 113 of piezoelectric both sides.Encapsulated layer 22 adopts the flexible macromolecule insulant with biocompatibility, is covered in the surface of generating main body 11 and output electrode 14, and extends to form each adjustable side 23, both sides to the outside of generating main body 11.
Fig. 4 is the partial enlarged drawing in main body A region of generating electricity in Fig. 3, as shown in Figure 4, is positioned at the nanoscale piezoelectric 111 of generating main body 11 central cores, for the nanowire array structure of extensive Parallel Design, can effectively improve output voltage.The high layer materials of conductivity such as the first electrode layer 112 and the second electrode lay 113 employings are golden or silver-colored are made, and are connected with nanoscale piezoelectric 111.
While implantation in vivo, can generating main body 11 be implanted to aorta around and hold aorta by operating method.Fit tightly again the energy being produced to gather aorta deformation with aortal outer wall by adjusting adjustable side 23 make to generate electricity main body 11.
May increase the workload of heart to aortal excessive compressing, therefore can between generating main body 11 and aorta wall, to measure generating main body 11 to aortal pressure, avoid it to exert an adverse impact to heart by interim placement force sensor.
Because piezoelectric material layer and electrode layer are not contained in the inside of adjustable side 23, therefore, in the time using sutures or titanium folder that the both sides of adjustable side 23 are closed, can not cause damage to generating main body 11.
Fig. 5 is that the main body of generating electricity in this utility model embodiment is installed on Supraaortic sectional view.The work process of bioenergy cardiac pacemaker is described below in conjunction with Fig. 1 and Fig. 5.
As shown in Figure 1 and Figure 5, generating main body 11 is surrounded on aorta 18.In the time that heart 17 shrinks, the impact of blood flow is expanded aorta 18, as shown in Figure 5, aorta wall 45 can produce a pressure F to generating main body 11, make piezoelectric material layer 111 that deformation occur, thereby form electric potential difference generation current at its two ends, electric current conducts to output electrode 14 by the first electrode layer 112 and the second electrode lay 113, then by entering power storage portion 42 after current rectifying and wave filtering circuit 18.Energy storage unit 13 is miniature rechargeable battery.Energy storage unit 13 again by supply of electrical energy to pulse generator 15.In the time that rhythm of the heart monitoring portion detects bradycardia, pulse generator 15 carries out pacing therapy by generation electric pulse and by stimulating electrode 16 to heart.
Fig. 7 is the circuit diagram of this utility model embodiment.As shown in Figure 7, generating main body 11 is connected with current rectifying and wave filtering circuit 12, the electric energy that produces of generating main body 11 charges to energy storage unit 13 after current rectifying and wave filtering circuit 12, energy storage unit 13 can be used for for electrical appliance be that pulse generator in the present embodiment is powered.
< 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 piezoelectric material layer employing nanoscale piezoceramic material of generating main body.
Another one is distinguished part and is, it is clamping fixed that in the present embodiment, adjustable side adopts titanium.
< 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 generating main body, 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, as shown in Figure 6, one end of adjustable side 61 is single latch, and crown is level and smooth and towards the outside of generating main body, the other end of adjustable side 61 is draw-in groove, inside one side of draw-in groove has the teeth groove matching with latch, and opposite side is plane.In the time that aorta outer wall is fixed on in Power Generation Section, can slowly latch be inserted to draw-in groove, use micro pressure sensor to detect the pressure of generating main body to aorta outer wall simultaneously, and tighten up gradually latch, until this pressure reaches 120mmHg-140mmHg.
Certain bioenergy cardiac pacemaker of the present utility model is not limited to the design described in above embodiment, and its piezoelectric material layer, electrode layer all can adopt various existing appropriate materials to make with encapsulated layer.
Claims (7)
1. a bioenergy cardiac pacemaker, is characterized in that, has:
Rhythm of the heart chip monitoring, for monitoring rhythm of the heart situation;
Pulse generator, for generation of electricity irritation;
Stimulating electrode, one end is connected with pulse generator, and the other end is connected with heart; And
Power Generation Section, is connected with described pulse generator and rhythm of the heart monitoring portion, and is its power supply,
Wherein, described Power Generation Section comprises generating main body, adjustable side, output electrode, energy storage unit and encapsulated layer,
Described generating main body is used for holding aorta, the mechanical energy being produced when gathering aortectasia, 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 lays respectively at the first electrode layer and the second electrode lay of 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 output electrode for by power delivery to energy storage unit,
Described energy storage unit is also described rhythm of the heart chip monitoring, the power supply of described pulse generator for storage of electrical energy,
Described encapsulated layer is covered in the surface of described generating main body, adjustable side, energy storage unit and output electrode.
2. bioenergy cardiac pacemaker as claimed in claim 1, is characterized in that:
Wherein, described power storage portion is miniature rechargeable battery or electric capacity.
3. bioenergy cardiac pacemaker as claimed in claim 1, is characterized in that, also comprises:
Current rectifying and wave filtering circuit, is connected between described energy storage unit and described output electrode.
4. bioenergy cardiac pacemaker as claimed in claim 1, is characterized in that:
Wherein, any one during the fixed form of described adjustable side use surgical thread stitching, titanium clamp pincers folder or binding agent are bonding.
5. bioenergy cardiac pacemaker 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.
6. bioenergy cardiac pacemaker as claimed in claim 1, is characterized in that:
Wherein, described encapsulated layer is using the flexible macromolecule insulant of good biocompatibility as encapsulating material.
7. bioenergy cardiac pacemaker as claimed in claim 1, is characterized in that:
Described Power Generation Section is less than 140mmHg to aortal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194437.9U CN203816091U (en) | 2013-12-26 | 2014-04-21 | Bioenergy cardiac pacemaker |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868878.8 | 2013-12-26 | ||
| CN201320868878 | 2013-12-26 | ||
| CN201420194437.9U CN203816091U (en) | 2013-12-26 | 2014-04-21 | Bioenergy cardiac pacemaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203816091U true CN203816091U (en) | 2014-09-10 |
Family
ID=51471638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420194437.9U Expired - Fee Related CN203816091U (en) | 2013-12-26 | 2014-04-21 | Bioenergy cardiac pacemaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203816091U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104740772A (en) * | 2013-12-26 | 2015-07-01 | 中国人民解放军第二军医大学 | Bioenergy cardiac pacemaker |
| CN105680721A (en) * | 2016-03-09 | 2016-06-15 | 清华大学 | In-vivo MEMS (micro electro mechanical system) micro-vibration energy collection based cardiac pacemaker energy system |
| CN105994004A (en) * | 2016-05-19 | 2016-10-12 | 上海应特宠企业管理有限公司 | Pet real-time monitor system |
| 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 CN201420194437.9U patent/CN203816091U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104740772A (en) * | 2013-12-26 | 2015-07-01 | 中国人民解放军第二军医大学 | Bioenergy cardiac pacemaker |
| CN105680721A (en) * | 2016-03-09 | 2016-06-15 | 清华大学 | In-vivo MEMS (micro electro mechanical system) micro-vibration energy collection based cardiac pacemaker energy system |
| CN105994004A (en) * | 2016-05-19 | 2016-10-12 | 上海应特宠企业管理有限公司 | Pet real-time monitor system |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203694406U (en) | Self-energized cardiac pacemaker | |
| CN108310649B (en) | Self-powered wireless pacemaker with charging management technology | |
| CN203816091U (en) | Bioenergy cardiac pacemaker | |
| EP3020080A1 (en) | Battery and electronics integration in an implantable medical device | |
| CN104740714B (en) | Implanted self energizing insulin pump | |
| CN104740773A (en) | Heart generating system | |
| CN104740768B (en) | Self energizing pacemaker | |
| CN203620083U (en) | Bioenergy bladder pacemaker | |
| CN104740772A (en) | Bioenergy cardiac pacemaker | |
| CN203886012U (en) | Power generation system for heart | |
| CN203693839U (en) | Bio-energy electronic cochlea | |
| CN203694407U (en) | Implantable biological energy heart cardioversion defibrillator | |
| CN204073104U (en) | Bioenergy Ventricular resynchronization cardioverter defibrillators | |
| CN203620084U (en) | Bioenergy brain pacemaker | |
| CN203693899U (en) | Bio-energy electronic retina | |
| CN104740759B (en) | Heart nanometer generating system | |
| CN104739578A (en) | Biological-energy electronic retina | |
| CN104740713A (en) | Implantable biological energy insulin pump | |
| CN203693604U (en) | Implantable bio-energy blood glucose monitor | |
| CN203619989U (en) | Implanted type bioenergy insulin pump | |
| CN104740774B (en) | Implanted self energizing cardioverter-defibrillator | |
| CN104739427A (en) | Implantable biological energy blood glucose monitor | |
| CN104740776B (en) | Self energizing Ventricular resynchronization cardioverter defibrillators | |
| CN204073100U (en) | Self energizing brain pacemaker | |
| CN104739547B (en) | Bioenergy cochlear implant |
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: 20140910 Termination date: 20170421 |