CN209405495U - A kind of self energizing device - Google Patents
A kind of self energizing device Download PDFInfo
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- CN209405495U CN209405495U CN201820087453.6U CN201820087453U CN209405495U CN 209405495 U CN209405495 U CN 209405495U CN 201820087453 U CN201820087453 U CN 201820087453U CN 209405495 U CN209405495 U CN 209405495U
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- China
- Prior art keywords
- outer foil
- inner vanes
- flexible connector
- self energizing
- energizing device
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Abstract
The utility model discloses a kind of self energizing devices, it is characterized in that, it include sequentially connected end cap, first flexible connector, outer foil, second flexible connector, inner vanes, third flexible connector, current collector, outer foil, inner vanes all have piezoelectric material, the two quantity is identical and is greater than or equal to 2, elastic component is connected between current collector and end cap, self energizing device is in nature, outer foil is distributed around end cap in umbrella, inner vanes are located at the inside of outer foil, second, third flexible connector is the conductor of exterior insulation, the electric energy generated in outer foil and inner vanes can be transmitted.The self energizing device of the utility model follows the contraction release of heart to produce electricl energy by the blade with piezoelectric material, can provide endlessly electric energy for the device to implant, reduce the battery replacement cycle or maintenance period of implanted device.
Description
Technical field
The utility model relates to energy acquisition technical fields, and in particular to a kind of self energizing device.
Background technique
With the development of medical technology, the mode that cardiac chambers are implanted into device treatment heart disease increases year by year.Implantation dress
The volume size set is by stringent control, therefore the battery capacity of implanted device is often limited, when the energy consumption in battery
After complete, it is necessary to perform the operation again, carry out replacement battery or replacement implantation equipment, this not only increases economy to patient
Burden, and perform the operation again and great challenge is all brought to the psychology and body of patient.Therefore, how extension body interplantation
The electric energy for entering device is held time, and is reduced the battery replacement cycle of implanted device, is become problem in urgent need to solve.
Utility model content
The utility model to solve problems of the prior art, provides a kind of self energizing device, specific technical solution
It is as follows.
A kind of self energizing device comprising have end cap, outer foil, inner vanes, the first flexible connector, the second elasticity
Connector, third flexible connector, elastic component and current collector, the outer foil, inner vanes all have piezoelectric material, described
Outer foil is identical with the quantity of the inner vanes and more than or equal to 2, and one end of the outer foil passes through described first
Flexible connector is connect with the end cap, and the other end of the outer foil passes through second flexible connector and the inside
One end of blade connects, and the other end of the inner vanes is connect by the third elastic component with the current collector, it is described by
The elastic component is connected between electric appliance and the end cap, in nature, the outer foil encloses the self energizing device
It is distributed around the end cap and elastic component in umbrella, the inner vanes are located at the inside of the outer foil, the current collector position
In the inside of the inner vanes, the other ends of the inner vanes than the inner vanes described one end closer to institute
End cap is stated, second flexible connector, third flexible connector are the conductor of exterior insulation.
The utility model passes through multiple elastomeric elements (the first flexible connector, the second flexible connector, third elastic connection
Part, elastic component) end cap, outer foil, inner vanes and current collector are linked together, in its natural state (not by external force
Effect), by the collective effect of the first flexible connector, the second flexible connector, third flexible connector and elastic component, so that institute
State the inside that inner vanes are located at the outer foil, current collector is located at the inside of the inner vanes, make current collector obtain compared with
Good protection avoids current collector from carrying out excessive contact with cardiac lumen;Outer foil and wall of the heart with piezoelectric material
Contact area it is big, can accurately synchronize the contraction and release of heart, when the heart contracts, outer foil is squeezed, outside
Portion's blade squeezes the inner vanes for being located inside again simultaneously, and the outer foil and inner vanes being squeezed produce electric energy, electricity
Current collector can be passed to by the second flexible connector and third flexible connector, with the contraction and release of heart, self energizing
Device constantly converts electric energy for mechanical energy and uses and/or store for current collector.
Further, the outer foil and inner vanes include the piezoelectric material layer and elastic skeleton being staggered
Layer, wherein outermost layer is elastic skeleton layer.The mechanical energy that piezoelectric material layer is used to generate when discharging ventricular contraction is converted into electricity
Can, and elastic skeleton layer provides necessary flexible structure support for piezoelectric material layer.
Further, medical adhesive is additionally provided on the outer surface of the outer foil, the outside of the medical adhesive is covered with
One layer of isolation film.Isolation film is the adhesion strength in order to protect medical adhesive, anti-Hemostatic Oral Liquid etc. when self energizing device implants
Medical adhesive is touched, isolation film need to be torn off when present apparatus blade is bonded cardiac lumen, medical adhesive dressing is made to be affixed on cardiac lumen.
Simultaneously because the extension medical adhesive of Implantation Time can be slowly by cell disintegration, what medical adhesive was in contact after decomposing with cardiac lumen is
Elastic skeleton layer, since super-elasticity skeleton has very strong biocompatibility, it is super that the endothelial cell of cardiac lumen can grow covering
Elastic skeleton is to achieve the effect that be permanently fixed.
Further, the isolation film is provided with the traction for removing the isolation film close to one end of the end cap
Line.When self energizing device is in position to be installed, can in vitro the drawing draught line by the isolation film from blade surface
Upper removing, it is easy to operate, additional tool or surgical procedure are not needed to remove isolation film.
Further, it is preferable to ground, the current collector is pacemaker and/or battery.As ventricular contraction discharges, outside
Portion's blade and inner vanes are constantly be generated electric energy and are transmitted to pacemaker, and the electric energy for greatly extending pacemaker maintains
Time reduces replacement and the maintenance period of pacemaker.Preferably, the medical treatment that the current collector is also possible to other implantation is set
It is standby, such as: defibrillator.Preferably, the current collector is battery, which can provide electricity for the Medical Devices of other implantation
Energy.
Further, the elastic component is the conductor of exterior insulation, is additionally provided with electrode tip, the pace-making on the end cap
The pulse current generated in device is transmitted to the electrode tip by the elastic component.Then pulse current is transmitted to by the electrode tip
The cell for the treatment of region achievees the purpose that stimulate cell.
Further, first flexible connector, the second flexible connector, third flexible connector, elastic component wrap
Contain elastic material.Elastic material can be superelastic alloy, have extremely wide elastic range, be become even if having
Shape can also revert to the property of original form.Super-elasticity: refer to that sample generates under external force and answered much larger than its elastic limit
The phenomenon that strain of variable, strain can restore automatically in unloading.Super-elasticity component can be by Nitinol or any other conjunction
Suitable elastic material manufactures.In such as nickel titanium alloy, it is the crystal structure by alloy in austenite phase and geneva
Phase transformation between body phase and cause, be able to bear the deformation strain until about 13% (but being not limited to), and material can
The original-shape for restoring it after the stress is removed, without being heated or cooled.
Further, the outer foil has arc, and the inner vanes, which have, to be matched with the outer foil
Arc, when outer foil is under pressure, outer foil and inner vanes can be bonded to each other.Outer foil energy with arc
The contact area for enough increasing outer foil and wall of the heart, on the one hand improves fixed effect, is on the other hand convenient for external leaf
The inner wall of piece and heart moves synchronously.
Due to using above technical scheme, the self energizing device of the utility model by the blade with piezoelectric material with
It is produced electricl energy with the contraction release of heart, endlessly electric energy can be provided for the device to implant, reduce implantation dress
The battery replacement cycle or maintenance period set;The advantage of chip type piezoelectric material is, big with the contact area of wall of the heart, Neng Gouzhun
Really the contraction of synchronous heart, is efficiently converted to electric energy for the mechanical energy of heart;The self energizing plant bulk of the utility model can
To adjust, the size of outer profile is adjustable, and the power supply device of the utility model that is highly advantageous to implants, smaller in outer profile
In the case where power supply device can be placed in the lesser conduit of size, can be by functional device implant using Minimally Invasive Surgery
Interior, functional device discharges automatically in physical efficiency, the blade with piezoelectric material is unfolded, to reach optimal energy conversion effect.
Detailed description of the invention
Fig. 1 be the utility model self energizing device in the raw under perspective view;
Fig. 2 (a) is a kind of structural schematic diagram of blade of the utility model;Fig. 2 (b) is the utility model another kind blade
Structural schematic diagram;
Fig. 3 is that the utility model self energizing device is in the perspective view under tensional state;
Fig. 4 is that the utility model is in the schematic diagram that the self energizing device under tensional state is located in conduit;
Fig. 5 is the solid at a certain moment of the utility model self energizing device from tensional state to nature transition process
Figure.
In figure: end cap 1, outer foil 2, inner vanes 3, the first flexible connector 4, the second flexible connector 5, third bullet
Property connector 6, elastic component 7, current collector 8, piezoelectric material layer 9, elastic skeleton layer 10, conduit 11, isolation film 12, draught line 13,
Electrode tip 14.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Referring to Fig. 1-5, a kind of self energizing device comprising have end cap 1, outer foil 2, the 3, first elasticity of inner vanes even
Fitting 4, the second flexible connector 5, third flexible connector 6, elastic component 7 and current collector 8, the outer foil 2, inner vanes
3 all have piezoelectric material, and the outer foil 2 is identical with the quantity of the inner vanes 3 and is greater than or equal to 2, although in figure
The case where showing 3 outer foils, as long as but outer foil quantity be greater than or equal to 2, the one of the outer foil 2
End is connect by first flexible connector 4 with the end cap 1, and the other end of the outer foil 2 passes through second bullet
Property connector 5 is connect with one end of the inner vanes 3, and the other end of the inner vanes 3 passes through the third elastic connection
Part 6 is connect with the current collector 8, and the elastic component 7, the self energizing dress are connected between the current collector 8 and the end cap 1
It sets in nature, the outer foil 2 is distributed around the end cap 1 and elastic component 7 in umbrella, the inner vanes 3
In the inside of the outer foil 2, the current collector 8 is located at the inside of the inner vanes 3, the inner vanes 3 it is described
The other end than the inner vanes 3 described one end closer to the end cap 1, second flexible connector 5, third elasticity connect
Fitting 6 is the conductor of exterior insulation, can transmit the electric energy generated in the outer foil and inner vanes.
The utility model passes through multiple elastomeric elements (the first flexible connector, the second flexible connector, third elastic connection
Part, elastic component) end cap, outer foil, inner vanes and current collector are linked together, in its natural state (not by external force
Effect), by the collective effect of the first flexible connector, the second flexible connector, third flexible connector and elastic component, so that institute
State the inside that inner vanes are located at the outer foil, current collector is located at the inside of the inner vanes, make current collector obtain compared with
Good protection avoids current collector from carrying out excessive contact with cardiac lumen;Outer foil and wall of the heart with piezoelectric material
Contact area it is big, can accurately synchronize the contraction and release of heart, when the heart contracts, outer foil is squeezed, outside
Portion's blade squeezes the inner vanes for being located inside again simultaneously, and the outer foil and inner vanes being squeezed produce electric energy, electricity
Current collector can be passed to by the second flexible connector and third flexible connector, with the contraction and release of heart, self energizing
Device constantly converts electric energy for mechanical energy and uses and/or store for current collector.Wherein elastic component 7 is preferably screw type bullet
Spring.In addition, Fig. 1 shows self energizing device under natural conditions, wherein a part and inner vanes of outer foil 23 one
Divide and overlap, can be also transmitted in inner vanes 3 in outer foil 2 by small extrusion deformation in this way, so that confession
Energy device is more sensitive to the contraction release of heart, is conducive to the generating efficiency for improving blade;It can certainly be by outer foil 2
It is set as not contacting with each other in its natural state with inner vanes 3, there is certain gap between the two, only work as outer foil
When by biggish extruding, outer foil 2 and inner vanes 3 just contact with each other, and both produce electricl energy, outer foil by
When lesser extruding, only outer foil 2 is produced electricl energy.
Further, as shown in Fig. 2 (a), Fig. 2 (b), the outer foil 2 and inner vanes 3 include being staggered
Piezoelectric material layer 9 and elastic skeleton layer 10, wherein outermost layer is elastic skeleton layer 10.Piezoelectric material layer 9 is used for ventricular contraction
The mechanical energy generated when release is converted into electric energy, and elastic skeleton layer provides necessary flexible structure support for piezoelectric material layer.
Preferably, the elastic skeleton layer is made of elastic material.Two layers of 10 He of elastic skeleton layer is wherein shown in Fig. 2 (a)
The case where one layer of piezo-electric material layer 9, the case where showing two layers of elastic skeleton layer 10 and two layers of piezoelectric material 9 in Fig. 2 (b),
But the quantity of elastic skeleton layer 10 and piezoelectric material layer 9 can according to need and be increased or be reduced.
Further, as shown in figure 3, being additionally provided with medical adhesive on the outer surface of the outer foil 2, the medical adhesive
Outside is covered with one layer of isolation film 12.Isolation film 12 is the adhesion strength in order to protect medical adhesive, by self energizing device implant
Anti- Hemostatic Oral Liquid etc. touches medical adhesive when interior, need to tear isolation film off when present apparatus outer foil 2 is bonded cardiac lumen and to cure
It sticks with glue in cardiac lumen.Simultaneously because the extension medical adhesive of Implantation Time can be slowly by cell disintegration, after medical adhesive decomposes
What is be in contact with cardiac lumen is elastic skeleton layer, due to elastic skeleton have very strong biocompatibility, cardiac lumen it is interior
Chrotoplast can grow covering elastic skeleton to achieve the effect that be permanently fixed.The main component of medical adhesive is a- alpha-cyanoacrylate
Ester, fast in the polymerization speed of bio-tissue, medical adhesive is in surface of a wound blood and tissue fluid under the action of anion, and energy is quickly
Polymerizing curable forms a film and inlays closely with the surface of a wound, can firmly hold the apposition of wound, and glue film can prevent blood cell, blood small
Plate passes through, and under the collective effect of fibrin ferment and fibrinogen, the thin vessels of wound closure fracture can effectively stop blooding, simultaneously
Glue film is isolated by tissue and bacterium, also has the function of that also there is analgesic to make for the anti-infective and protection surface of a wound, the ether chain in polymer
With it also has the characteristics that decompose in vivo, drain
Further, as shown in figure 3, the isolation film 12 be provided with close to one end of the end cap 1 it is described for removing
The draught line 13 of isolation film 12.When self energizing device is in position to be installed, can in vitro the drawing draught line 13 by institute
State sur-face peeling of the isolation film 12 from outer foil, it is easy to operate, do not need additional tool or surgical procedure remove every
From film.
Further, it is preferable to ground, the current collector 8 is pacemaker and/or battery.As ventricular contraction discharges,
Outer foil and inner vanes are constantly be generated electric energy and are transmitted to pacemaker, greatly extend the electric energy dimension of pacemaker
The time is held, replacement and the maintenance period of pacemaker are reduced.Preferably, the medical treatment that the current collector is also possible to other implantation is set
It is standby, such as: defibrillator.Preferably, the current collector is battery, which can provide electricity for the Medical Devices of other implantation
Energy.
Further, the elastic component 7 is the conductor of exterior insulation, is additionally provided with electrode tip 14 on the end cap 1, described
The pulse current generated in pacemaker is transmitted to the electrode tip 14 by the elastic component 7.Then the electrode tip 14 is by pulse
Electric current is transmitted to the cell for the treatment of region, achievees the purpose that stimulate cell.
Further, first flexible connector 4, the second flexible connector 5, third flexible connector 6, elastic component 7
It include elastic material.Elastic material can be superelastic alloy, have extremely wide elastic range, even if having by
The property of original form can also be reverted to deformation.
Further, the outer foil 2 has arc, and the inner vanes 3 have to be matched with the outer foil 2
Arc, when outer foil 2 is under pressure, outer foil 2 and inner vanes 3 can be bonded to each other.Outside with arc
Blade is capable of increasing the contact area of outer foil and wall of the heart, on the one hand improves fixed effect, is on the other hand convenient for
The inner wall of outer foil and heart moves synchronously.
The installation method of the self energizing device of the utility model mainly comprises the steps that
It 1) is tensional state by the pose adjustment of self energizing device, as shown in figure 3, the self energizing device, which is in, stretches shape
When state, the elastic component 7 is stretched, and the electrode tip 14 and the current collector 8 are located at two of the self energizing device
End, when tensional state the maximum gauge of outer profile that forms of the outer foil 2 be less than the outer foil 2 when nature
The diameter of the outer profile of composition;
2) the self energizing device under tensional state is put into conduit 11 (as shown in Figure 4), passes through the conduit 11
The self energizing device is discharged into the designated position of cardiac lumen;
3) the self energizing device connects in elastic component 7, the first flexible connector 4, the second flexible connector 5, third elasticity
Under the collective effect of fitting 6, as shown in figure 5, the length of elastic component 7 constantly becomes smaller, outer foil 2 is gradually opened in umbrella, interior
Portion's blade 3 is gradually to the folded inside of outer foil 2, until self energizing device is returned to nature (state of Fig. 1);
4) position for adjusting self energizing device is fixed on electrode tip 14 on cardiac muscle, leads described in the outer end drawing of conduit 11
Lead 13, draught line 13 exit the sur-face peeling by the isolation film 12 from outer foil 2,2 table of outer foil from conduit 11
The concentric chamber internal surface contact of the medical adhesive of face attachment and adhesion therewith.The installation for realizing self energizing device is fixed.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement;And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (8)
1. a kind of self energizing device, which is characterized in that include end cap, outer foil, inner vanes, the first flexible connector,
Second flexible connector, third flexible connector, elastic component and current collector, the outer foil, inner vanes all have piezoelectricity
Material, the outer foil is identical with the quantity of the inner vanes and more than or equal to 2, and one end of the outer foil passes through
First flexible connector is connect with the end cap, the other end of the outer foil by second flexible connector with
One end of the inner vanes connects, and the other end of the inner vanes is connected by the third elastic component and the current collector
It connects, the elastic component is connected between the current collector and the end cap, the self energizing device is described outer in nature
Portion's blade is distributed around the end cap and elastic component in umbrella, and the inner vanes are located at the inside of the outer foil, described
Current collector is located at the inside of the inner vanes, the described one end of the other ends of the inner vanes than the inner vanes
Closer to the end cap, second flexible connector, third flexible connector are the conductor of exterior insulation.
2. a kind of self energizing device according to claim 1, which is characterized in that the outer foil and inner vanes are wrapped
The piezoelectric material layer being staggered and elastic skeleton layer are included, wherein outermost layer is elastic skeleton layer.
3. a kind of self energizing device according to claim 1, which is characterized in that also set on the outer surface of the outer foil
It is equipped with medical adhesive, the outside of the medical adhesive is covered with one layer of isolation film.
4. a kind of self energizing device according to claim 3, which is characterized in that the isolation film close to the end cap one
End is provided with the draught line for removing the isolation film.
5. a kind of self energizing device according to claim 1, which is characterized in that the current collector be pacemaker and/
Or battery;Or the current collector is defibrillator.
6. a kind of self energizing device according to claim 5, which is characterized in that the elastic component is leading for exterior insulation
Body is additionally provided with electrode tip on the end cap, and the pulse current generated in the pacemaker is transmitted to institute by the elastic component
State electrode tip.
7. a kind of self energizing device according to claim 1, which is characterized in that first flexible connector, the second bullet
Property connector, third flexible connector, elastic component include elastic material.
8. a kind of self energizing device according to claim 1, which is characterized in that the outer foil has arc, described
Inner vanes have the arc matched with the outer foil, when outer foil is under pressure, outer foil and internal leaf
Piece can be bonded to each other.
Priority Applications (1)
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CN201820087453.6U CN209405495U (en) | 2018-01-19 | 2018-01-19 | A kind of self energizing device |
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CN201820087453.6U CN209405495U (en) | 2018-01-19 | 2018-01-19 | A kind of self energizing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108379740A (en) * | 2018-01-19 | 2018-08-10 | 南华大学 | A kind of self energizing device and its installation method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108379740A (en) * | 2018-01-19 | 2018-08-10 | 南华大学 | A kind of self energizing device and its installation method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Yin Kai Inventor before: Yi Kai |
|
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: 20190920 Termination date: 20210119 |