CN109908480A - One kind having connector battery and implantable medical devices - Google Patents

One kind having connector battery and implantable medical devices Download PDF

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Publication number
CN109908480A
CN109908480A CN201711331563.9A CN201711331563A CN109908480A CN 109908480 A CN109908480 A CN 109908480A CN 201711331563 A CN201711331563 A CN 201711331563A CN 109908480 A CN109908480 A CN 109908480A
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CN
China
Prior art keywords
feed
connector
insulated enclosure
conducting wire
shell
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Pending
Application number
CN201711331563.9A
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Chinese (zh)
Inventor
裴嘉豪
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Individual
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Individual
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Priority to CN201711331563.9A priority Critical patent/CN109908480A/en
Publication of CN109908480A publication Critical patent/CN109908480A/en
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Abstract

The present invention provides a kind of battery and implantable medical devices with connector, and the feed through connector includes: shell, and the shell has the through-hole passed through for conducting wire;Insulated enclosure medium, for sealing the gap between the conducting wire and the shell;At least two layers of the setting insulated enclosure medium being spaced apart from each other in the through-hole along the conducting wire extending direction is equipped with insulating layer between the adjacent insulated enclosure medium.Insulating layer is arranged by the way that two insulated enclosure media are at least arranged in feed through connector, and between the insulated enclosure medium in the present invention, and the feed through connector is made to have good leakproofness;The risk for being provided with the inside battery electrolyte leakage of this kind of feed through connector structure can be substantially reduced, and structure and manufacture craft are all extremely simple, it is easy to accomplish;The service life for being provided with the implantable medical devices of the feed through connector is improved, and then ensure that the safety of implantation person.

Description

One kind having connector battery and implantable medical devices
Technical field
The invention belongs to medical instruments fields, more particularly to one kind to have connector battery and implantable medical devices.
Background technique
Implanted medical system has been more and more widely used on clinical medicine in recent years, generally includes implanted mind Through electric stimulation, implantable cardiac electro photoluminescence system system, implanted drug infusion system etc..With implantable neural electrical stimulation system For system, main includes embedded nerve stimulator, extension wire, electrode and the external controller to implant.Wherein, Embedded nerve stimulator is connected by extension wire with electrode, thus by electro photoluminescence caused by embedded nerve stimulator Pulse is transferred to electrode, and the pulse signal that embedded nerve stimulator generates is transmitted to specific neuronal target by electrode and carries out electric thorn Swash, to treat the illnesss such as parkinsonism to make human body functional recovery to the state of normal operation.
Existing active implantable medical devices generally include sealing shell, the fixed head on the shell of sealing, shell The circuit board for being inside provided with battery, generating pulse-stimulating signal offers the jack of connection extension wire on head for will be electric The electrical stimulation signal that road plate generates is transferred to electrode.Since implantable medical devices require to work normally in the human body of implantation, Therefore very high to the sealing requirements of battery and shell etc..
The shell of implantable medical devices is usually made of the preferable capsul of air-tightness, and battery is provided in capsul And the circuit board of boost pulse is generated, it is provided with feed through connector on capsul, the electric signal transmission for generating circuit board To extension wire.Due to implantable medical devices implantation environment be human body, for prevent body fluid enter implantable medical devices or Substance in implantable medical devices enters internal, it is desirable that the feed through connector on capsul has good sealing performance.
Feed through connector in the prior art, inside be usually provided with single layer sealing structure, when external environment becomes Change or under external force, is easy to lose the leakproofness of the feed through connector.Further, it increases and is provided with the single layer The battery of sealing structure and the application risk of implantable medical devices.Especially to being provided with the single layer structure feed through connector Implantable medical devices, in the feed through connector airtightness breakage for being provided with single layer mechanism, strong influence implanted The service life of medical instrument and the safety of implantation person.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of feed through connector, be provided with the feedthrough connection The battery and implantable medical devices of device.
Correspondingly, the feed through connector in an embodiment of the present invention includes: shell, the shell has to be worn for conducting wire The through-hole crossed;Insulated enclosure medium, for sealing the gap between the conducting wire and the shell;Wherein, edge in the through-hole At least two layers of the setting insulated enclosure medium that the conducting wire extending direction is spaced apart from each other, the adjacent insulated enclosure medium Between be equipped with insulating layer.
As a further improvement of the present invention, the material of the insulated enclosure medium is glass or ceramics.As the present invention Further improvement, the insulating layer be gas blanket or high-temperature insulation material layer.
As a further improvement of the present invention, the filling gas of the gas blanket is air, inert gas or contains lazy The mixed gas of property gas.As a further improvement of the present invention, the inert gas is argon gas, nitrogen or helium.As this The further improvement of invention, the material of the insulated enclosure medium are glass, and the material of the high-temperature insulation material layer is pottery Porcelain.Correspondingly, a kind of battery of the present invention, including battery case, the electrolyte being contained in the battery case, the battery is also It include: feed through connector as described above, the feed through connector is fixedly installed on the battery case, and the conducting wire passes through The feed through connector is connect with the electrolyte.
As a further improvement of the present invention, the battery case and the feed through connector integrally connected.
Correspondingly, a kind of implantable medical devices of the present invention, including capsul, the electronics device being contained in the capsul Part, the implantable medical devices further include: feed through connector as described above, the feed through connector are fixedly installed on described On capsul, the conducting wire passes through the feed through connector and connect with the electronic device.
As a further improvement of the present invention, the capsul and the feed through connector integrally connected.
Compared with prior art, the present invention in feed through connector by being at least arranged two insulated enclosure media, and institute It states and insulating layer is set between insulated enclosure medium, make the feed through connector that there is good leakproofness;It can substantially reduce and set It is equipped with the risk of the inside battery electrolyte leakage of this kind of feed through connector structure, and structure and manufacture craft are all extremely simple, It is easily achieved;The service life for being provided with the implantable medical devices of the feed through connector is improved, and then ensure that implantation person Safety.
Detailed description of the invention
Fig. 1 is the partial structure diagram of the battery of first embodiment of the invention;
Fig. 2 is the partial structure diagram of the battery of second embodiment of the invention;
Fig. 3 is the structural schematic diagram of the feed through connector of first embodiment of the invention;
Fig. 4 is the structural schematic diagram of implantable medical devices of the invention;
Wherein:
Battery, 10;Battery case, 11;Feed through connector, 30;Shell, 31;Supporting table, 311;Insulated enclosure medium, 33; First insulated enclosure medium, the 301, second insulated enclosure medium, 302;Through-hole, 34;Conducting wire, 35;Insulating layer, 37;Implanted doctor Treatment instrument, 50;Capsul, 51;Connection head, 53;Circuit board, 55;Power supply, 57.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to various embodiments shown in the accompanying drawings.But these embodiments are not The limitation present invention, structure that those skilled in the art are made according to these embodiments, method or change functionally It changes and is included within the scope of protection of the present invention.
As shown in Figure 1, being provided with the structural schematic diagram of the battery 10 of feed through connector 30 in the present invention.
Correspondingly, battery 10 described in embodiment of the present invention includes: battery case 11, is contained in the battery case 11 Interior electrolyte, the feed through connector 30 being fixedly installed on the battery case 11, the conducting wire 37 connect across the feedthrough Device 30 is connect to connect with the electrolyte.
Correspondingly, in the first embodiment of the present invention, the feed through connector 30 is phase with the battery case 11 To what is be independently arranged, the feed through connector 30 is fixedly connected on the battery case 11 by welding or other modes.
Specifically, combining referring to shown in Fig. 3, Fig. 3 is the structure of the feed through connector 30 in an embodiment of the present invention Schematic diagram.
Correspondingly, the feed through connector 30 includes: shell 31 in an embodiment of the present invention, the shell 31 has The through-hole 34 passed through for conducting wire;For sealing the insulated enclosure medium 33 in gap between the conducting wire 35 and the shell 31; Wherein, at least two layers of the setting insulated enclosure medium being spaced apart from each other in the through-hole 34 along 35 extending direction of conducting wire 33, insulating layer 37 is equipped between the adjacent insulated enclosure medium 33.
Correspondingly, the shell 31 is usually made of metal material, generally biocompatibility metal, such as: titanium Or the alloy containing titanium extends from 31 outer wall of shell close to the top of the shell 31 and is fixedly connected with institute The annular brace platform 311 of battery case 11 is stated, the supporting table 311 passes through welding or other modes for the feed through connector 30 It is fixedly connected on the battery case 11.
In a preferred embodiment of the invention, the shell 31 is the cylindrical body with through-hole 34, the supporting table 311 For circular ring shape supporting table.
It is arranged correspondingly, the conducting wire 35 penetrates the through-hole 34, is connect with the electrolyte of inside battery, is used for battery Internal electric energy is transferred to outside battery case 11.The quantity of the conducting wire, can be with sets itself, generally 1 because of the difference of demand Root, 2,4,6,8 etc.;The material of the conducting wire, the generally filaments such as selection filament, such as titanium, niobium, tungsten.
Specifically, the quantity of the insulated enclosure medium 33 is two in a preferred embodiment of the invention, it is described exhausted Edge sealing medium 33 is spaced apart from each other, is arranged in parallel, and insulating layer 37 is equipped between the insulated enclosure medium 33, so that the feedback Connectors 30 have better sealing, reduce the risk of 30 electrolyte inside of the battery leakage.There are two described exhausted for tool The feed through connector of edge sealing medium 33 has more excellent airtightness relative to the feed through connector 30 with single layer structure. Such as: due to external environment, the effect of such as temperature change or other external force leads to wherein one layer of insulated enclosure medium 33 When cracked, another layer insulated enclosure medium 33 continues to seal the feed through connector 30, protects the feedthrough 30 airtightness of connector prevents the substance in the feed through connector 30 from revealing.In addition, due to two insulated enclosure media There is certain interval, and its interval position is equipped with insulating layer 37 between 33, therefore, the insulated enclosure medium 33 is cracked Probability is significantly smaller than the cracked probability of single layer dielectrics sealing medium, the feedback at least two layers insulated enclosure medium 33 Connectors 30 have better seal performance relative to the feed through connector 30 with single layer dielectrics sealing medium.
Correspondingly, the material of the insulated enclosure medium 33 is not particularly limited, generally high-temperature insulation material, such as Glass, ceramics etc..In a preferred embodiment of the invention, the material selection glass of the insulated enclosure medium 33.
The filling material of the insulating layer 37 is also not particularly limited, usually gas blanket or high-temperature insulation material.Example Such as: the filling gas of the gas blanket is air, inert gas or the mixed gas containing inert gas;The inert gas It can be argon gas, nitrogen, helium etc..Correspondingly, the insulating layer 37 is in addition to for also using other than being spaced the insulated enclosure medium 33 In the airtightness for detecting the feed through connector 30.
It should be noted that, although the material of the insulated enclosure medium 33 and the insulating layer 37 is all high-temperature insulation Material, but in a preferred embodiment of the invention is Crack prevention same material insulated enclosure medium 33 and it is described absolutely It is transmitted between edge layer 37, the specific material that the insulated enclosure medium 33 and the insulating layer 37 are selected is not identical.For example, working as When the material selection ceramics of the insulated enclosure medium 33, the preferred glass of material or gas of the insulating layer 37.
In a specific embodiment of the invention, the material selection gas of the insulating layer 37, the insulating layer 37 in addition to For being spaced outside the insulated enclosure medium 33, it is also used to detect the airtightness of the feed through connector 30.
Further, as shown in Fig. 2, Fig. 2 is the part of the battery equipped with feed through connector of second embodiment of the invention Structural schematic diagram.
Specifically, the battery of the second embodiment is similar to the battery general structure of the first embodiment, Difference is that the feed through connector 30 is integrally formed with the battery case 11.
Specifically, 31 upper end of shell of the feed through connector 30, along vertical with 31 axial line of shell direction, It directs out and extends to form the battery case 11, to save the material for making the battery 10, in addition, saving the feedthrough When connector 30 is connect with the battery 10, used welding sequence.
Compared with prior art, it is provided with the battery of above-mentioned feed through connector, by being arranged inside feed through connector 30 At least two layers insulated enclosure medium 33, and insulating layer 37 is equipped between the adjacent insulated enclosure medium, it greatly reduces The risk of inside battery electrolyte leakage, and structure and manufacture craft are relatively easy, are readily produced and apply.
As shown in figure 4, the structure that Fig. 4 is the implantable medical devices 100 for being provided with feed through connector 30 in the present invention is shown It is intended to.
Correspondingly, the implantable medical devices 50 of feed through connector 30 as shown in Figure 3, including capsul 51 are provided with, The connection head 53 on 51 top of capsul, and receiving is arranged in the feed through connector 30 being fixedly installed on the capsul 51 Electronic device in the capsul 51, the electronic device include the circuit board 55 being set in the capsul 51 and with The power supply 57 that the circuit board 55 connects;The circuit board 55 is to generate electric stimulation pulse signal and power;The power supply 57 is The power supply of entire implantable medical devices 50;Wherein, jack is offered on the connection head 53, for for connecting the feedthrough The extension wire of the conducting wire 35 of connector 30 is passed through, and will be generated in circuit board 55 by conducting wire 35 and the extension wire Electric stimulation pulse signal is transferred to the neuronal target where electrode, to achieve the purpose that treat disease.
Correspondingly, be fixedly installed feed through connector 30 on the capsul 51, the feed through connector 30 with it is described close Capsule 51 is fixedly connected by welding or other modes;Or it is integrally formed with the capsul 51;Its connection type and above-mentioned institute It is identical as the connection type of the feed through connector 30 to state battery case 11, not described in detail herein.
In a preferred embodiment of the invention, there are two the feedthroughs to connect for setting on the implantable medical devices 50 Device 30, for the convenience of description, two feed through connector 30 are respectively defined as the first feed through connector 301 and the second feedback herein Connectors 303.
Specifically, as shown in connection with fig. 3, the shell 31 be connected inside first feed through connector 301, shell 31 is described Shell 31 has the through-hole 34 passed through for conducting wire;Insulation for sealing gap between the conducting wire 35 and the shell 31 is close Seal medium 33;Wherein, at least two layers insulation of setting being spaced apart from each other in the through-hole 34 along 35 extending direction of conducting wire Sealing medium 33 is equipped with insulating layer 37 between the adjacent insulated enclosure medium 33.
Correspondingly, the shell 31 is usually made of metal material, generally biocompatibility metal, such as: titanium Or the alloy containing titanium extends from 31 outer wall of shell close to the top of the shell 31 and is fixedly connected with institute The annular brace platform 311 of capsul 51 is stated, the supporting table 311 is consolidated the feed through connector 30 by welding or other modes Surely it is connected on the capsul 51.
In a preferred embodiment of the invention, the shell 31 is the cylindrical body of internal conducting, and the supporting table 311 is Circular ring shape supporting table.
It is arranged correspondingly, the conducting wire 35 penetrates the through-hole 34, for by the electric energy inside implantable medical devices 50 It is transferred to the outside of the implantable medical devices 50.The quantity of the conducting wire, can be with sets itself, generally because of the difference of demand It is 1,2,4,6,8 etc.;In the present embodiment, the quantity of the conducting wire is 1;The material of the conducting wire, one As select the filaments such as filament, such as titanium, niobium, tungsten.
Specifically, in a preferred embodiment of the invention, the quantity at least two of the insulated enclosure medium 33, institute It states insulated enclosure medium 33 to be spaced apart from each other, be arranged in parallel, and is equipped with insulating layer 37 between the insulated enclosure medium 33, so that institute It states feed through connector 30 and is prevented with better sealing by the way that the feed through connector 30 is arranged in implantable medical devices 50 Only human body fluid or blood enter in implantable medical devices.Have the feed through connector there are two the insulated enclosure medium 33, There is more excellent airtightness relative to the feed through connector 30 with single layer structure.Such as: since external environment, such as temperature become Change or when the effect of other external force leads to that wherein one layer of insulated enclosure medium 33 is cracked, another layer insulation Sealing medium 33 continues to seal the feed through connector 30, protects 30 airtightness of feed through connector, prevents the feedback Substance leakage in connectors 30.In addition, due to having certain interval, and its between two insulated enclosure media 33 It is spaced position and is equipped with insulating layer 37, therefore, the cracked probability of the insulated enclosure medium 33 is significantly smaller than single layer dielectrics sealing The cracked probability of medium, and then the feed through connector 30 at least two layers insulated enclosure medium 33, relative to tool Having the feed through connector 30 of single layer dielectrics sealing medium has better seal performance.
Correspondingly, the material of the insulated enclosure medium 33 is not particularly limited, generally high-temperature insulation material, such as Glass, ceramics etc..In a preferred embodiment of the invention, the material selection glass of the insulated enclosure medium 33.
The filling material of the insulating layer 37 is also not particularly limited, usually gas blanket or high-temperature insulation material.Example Such as: air, inert gas or the mixed gas containing inert gas;The inert gas can be argon gas, nitrogen, helium etc.. Correspondingly, the insulating layer 37 is in addition to for being also used to detect the feed through connector other than being spaced the insulated enclosure medium 33 30 airtightness.
It should be noted that, although the material of the insulated enclosure medium 33 and the insulating layer 37 is all high-temperature insulation Material, but in a preferred embodiment of the invention is Crack prevention same material insulated enclosure medium 33 and it is described absolutely It is transmitted between edge layer 37, the specific material that the insulated enclosure medium 33 and the insulating layer 37 are selected is not identical.For example, working as When the material selection ceramics of the insulated enclosure medium 33, the preferred glass of material or gas of the insulating layer 37.
In a specific embodiment of the invention, the material selection gas of the insulating layer 37, the insulating layer 37 in addition to For being spaced outside the insulated enclosure medium 33, it is also used to detect the airtightness of the feed through connector 30.
The structure of the second feed through connector 303 and the first feed through connector 301 described above is substantially the same in the present invention, Difference is that the conducting wire of first feed through connector 301 is set as 1, the conducting wire setting of second feed through connector 303 It is 8.
With the prior art, the implantable medical devices of above structure are provided with, are arranged at least in the feed through connector Two insulated enclosure media, and it is provided with insulating layer between the insulated enclosure medium, greatly reduce implantable medical devices The risk that middle feed through connector leakproofness is destroyed, prevents human body fluid or blood from entering in implantable medical devices, improves Job security and the reliability in the human body of implantation of implantable medical devices, and structure and manufacture craft are relatively easy, easy In production and application.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention Or change should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of feed through connector, comprising:
Shell, the shell have the through-hole passed through for conducting wire;
Insulated enclosure medium, for sealing the gap between the conducting wire and the shell;
It is characterized by: at least two layers insulated enclosure of setting being spaced apart from each other in the through-hole along the conducting wire extending direction Medium is equipped with insulating layer between the adjacent insulated enclosure medium.
2. feed through connector according to claim 1, which is characterized in that the material of the insulated enclosure medium be glass or Ceramics.
3. feed through connector according to claim 1, which is characterized in that the insulating layer is gas blanket or high-temperature insulation Material layer.
4. feed through connector according to claim 3, which is characterized in that the filling gas of the gas blanket is air, lazy Property gas or the mixed gas containing inert gas.
5. feed through connector according to claim 4, which is characterized in that the inert gas is argon gas, nitrogen or helium.
6. feed through connector according to claim 1, which is characterized in that the material of the insulated enclosure medium is glass, The material of the high-temperature insulation material layer is ceramics.
7. a kind of battery, including battery case, the electrolyte being contained in the battery case, which is characterized in that the battery Further include: such as feed through connector described in any one of claims 1 to 6, the feed through connector is fixedly installed on the electricity On the shell of pond, the conducting wire passes through the feed through connector and connect with the electrolyte.
8. battery according to claim 7, which is characterized in that the battery case is integrally set with the feed through connector It sets.
9. a kind of implantable medical devices, including capsul, the electronic device being contained in the capsul, which is characterized in that The implantable medical devices further include: such as feed through connector described in any one of claims 1 to 6, the feedthrough connection Device is fixedly installed on the capsul, and the conducting wire passes through the feed through connector and connect with the electronic device.
10. implantable medical devices according to claim 9, which is characterized in that the capsul is connect with the feedthrough Device is wholely set.
CN201711331563.9A 2017-12-13 2017-12-13 One kind having connector battery and implantable medical devices Pending CN109908480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711331563.9A CN109908480A (en) 2017-12-13 2017-12-13 One kind having connector battery and implantable medical devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711331563.9A CN109908480A (en) 2017-12-13 2017-12-13 One kind having connector battery and implantable medical devices

Publications (1)

Publication Number Publication Date
CN109908480A true CN109908480A (en) 2019-06-21

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CN201711331563.9A Pending CN109908480A (en) 2017-12-13 2017-12-13 One kind having connector battery and implantable medical devices

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111371062A (en) * 2020-03-10 2020-07-03 摩科斯新材料科技(苏州)有限公司 Implantable ceramic feedthrough connector and method of making same
CN113054294A (en) * 2021-03-02 2021-06-29 清华大学 Battery for active implanted medical instrument

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111371062A (en) * 2020-03-10 2020-07-03 摩科斯新材料科技(苏州)有限公司 Implantable ceramic feedthrough connector and method of making same
CN113054294A (en) * 2021-03-02 2021-06-29 清华大学 Battery for active implanted medical instrument
CN113054294B (en) * 2021-03-02 2023-04-07 清华大学 Battery for active implanted medical instrument

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Application publication date: 20190621