CN203989480U - Feedthrough adapter, the battery with this feedthrough adapter and implantable medical devices - Google Patents
Feedthrough adapter, the battery with this feedthrough adapter and implantable medical devices Download PDFInfo
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- CN203989480U CN203989480U CN201420377275.2U CN201420377275U CN203989480U CN 203989480 U CN203989480 U CN 203989480U CN 201420377275 U CN201420377275 U CN 201420377275U CN 203989480 U CN203989480 U CN 203989480U
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- China
- Prior art keywords
- feedthrough adapter
- feedthrough
- insulated enclosure
- adapter
- medical devices
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Abstract
This utility model provides a kind of feedthrough adapter, the battery with this feedthrough adapter and implantable medical devices, and described feedthrough adapter comprises: housing, and described housing has the through hole that can pass for wire; Insulated enclosure medium, for sealing the gap between described wire and described housing; In described through hole, along at least two-layer described insulated enclosure medium of setting of described wire bearing of trend space, between adjacent described insulated enclosure medium, be provided with insulating barrier.This utility model is by two insulated enclosure media are at least set in feedthrough adapter, and between described insulated enclosure medium, insulating barrier is set, and makes described feedthrough adapter have good sealing; Can greatly reduce be provided with this kind of feedthrough connector construction inside battery electrolyte reveal risk, and structure and processing technology all very simple, be easy to realize; Improve the service life of the implantable medical devices that is provided with this feedthrough adapter, and then ensured implantation person's safety.
Description
Technical field
This utility model belongs to medical instruments field, relates in particular to a kind of feedthrough adapter, the battery with this feedthrough adapter and implantable medical devices.
Background technology
Implanted medical system obtains applying more and more widely in recent years on clinical medicine, generally includes implantable neural electrical stimulator, implantable cardiac electricity irritation system, implanted drug infusion system etc.Taking implantable neural electrical stimulator as example, mainly comprise the embedded nerve stimulator, extension wire, electrode and the external controller that implant.Wherein, embedded nerve stimulator is connected with electrode by extension wire, thereby the electric stimulation pulse that embedded nerve stimulator is produced is transferred to electrode, the pulse signal that embedded nerve stimulator produces transfers to specific neuronal target by electrode and carries out electricity irritation, thereby makes function of human body return to the state of normal operation diseases such as Parkinson's disease to treat.
Existing active implantable medical devices generally includes can, sealing is fixed on the head on shell, in shell, be provided with the circuit board of battery, generation pulse-stimulating signal, on head, offer the jack that connects extension wire for the electrical stimulation signal of circuit board generation is passed to electrode.Because implantable medical devices requires normally to work in the human body of implanting, therefore very high to the sealing requirements of battery and shell etc.
The shell of implantable medical devices is made up of the good capsul of air-tightness conventionally, is provided with battery and produces the circuit board of boost pulse in capsul, is provided with feedthrough adapter on capsul, for electric signal transmission that circuit board is produced to extension wire.Because the implantation environment of implantable medical devices is human body, for preventing that the material that body fluid enters in implantable medical devices or implantable medical devices from entering in body, require the feedthrough adapter on capsul to there is good sealing property.
Feedthrough adapter of the prior art, its inside is provided with monolayer hermetically-sealed construction conventionally, when external environment condition changes or under external force, easily loses the sealing of described feedthrough adapter.Further, increased and be provided with the battery of this monolayer hermetically-sealed construction and the application risk of implantable medical devices.Particularly, to being provided with the implantable medical devices of this single layer structure feedthrough adapter, in the time that the feedthrough adapter seal that is provided with monolayer mechanism is damaged, the service life of implantable medical devices and implantation person's safety are affected greatly.
Summary of the invention
In order to address the above problem, the purpose of this utility model is the battery that a kind of feedthrough adapter is provided, is provided with this feedthrough adapter, and implantable medical devices.
Accordingly, the feedthrough adapter in this utility model one embodiment comprises: housing, and described housing has the through hole that can pass for wire; Insulated enclosure medium, for sealing the gap between described wire and described housing; Wherein, in described through hole, along at least two-layer described insulated enclosure medium of setting of described wire bearing of trend space, between adjacent described insulated enclosure medium, be provided with insulating barrier.
As further improvement of the utility model, the material of described insulated enclosure medium is glass or pottery.As further improvement of the utility model, described insulating barrier is gas blanket or high-temperature insulation material layer.
As further improvement of the utility model, the blanketing gas of described gas blanket is air, noble gas or the mist that contains noble gas.As further improvement of the utility model, described noble gas is argon, nitrogen or helium.As further improvement of the utility model, the material of described insulated enclosure medium is glass, and the material of described high-temperature insulation material layer is pottery.Accordingly, a kind of battery of this utility model, comprise battery case, be contained in the electrolyte in described battery case, described battery also comprises: feedthrough adapter as above, described feedthrough adapter is fixedly installed on described battery case, and described wire is connected with described electrolyte through described feedthrough adapter.
As further improvement of the utility model, described battery case is connected with described feedthrough adapter one.
Accordingly, a kind of implantable medical devices of this utility model, comprise capsul, be contained in the electronic device in described capsul, described implantable medical devices also comprises: feedthrough adapter as above, described feedthrough adapter is fixedly installed on described capsul, and described wire is connected with described electronic device through described feedthrough adapter.
As further improvement of the utility model, described capsul is connected with described feedthrough adapter one.
Compared with prior art, this utility model is by two insulated enclosure media are at least set in feedthrough adapter, and between described insulated enclosure medium, insulating barrier is set, and makes described feedthrough adapter have good sealing; Can greatly reduce be provided with this kind of feedthrough connector construction inside battery electrolyte reveal risk, and structure and processing technology all very simple, be easy to realize; Improve the service life of the implantable medical devices that is provided with this feedthrough adapter, and then ensured implantation person's safety.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of the battery of this utility model the first embodiment;
Fig. 2 is the part-structure schematic diagram of the battery of this utility model the second embodiment;
Fig. 3 is the structural representation of the feedthrough adapter of this utility model the first embodiment;
Fig. 4 is the structural representation of implantable medical devices of the present utility model;
Wherein:
Battery, 10; Battery case, 11; Feedthrough adapter, 30; Housing, 31; Brace table, 311; Insulated enclosure medium, 33; The first insulated enclosure medium, 301, the second insulated enclosure media, 302; Through hole, 34; Wire, 35; Insulating barrier, 37; Implantable medical devices, 50; Capsul, 51; Connect head, 53; Circuit board, 55; Power supply, 57.
Detailed description of the invention
Below with reference to each embodiment shown in the drawings, this utility model is described in detail.But these embodiments do not limit this utility model, the conversion in structure, method or function that those of ordinary skill in the art makes according to these embodiments is all included in protection domain of the present utility model.
As shown in Figure 1, be provided with the structural representation of the battery 10 of feedthrough adapter 30 in this utility model.
Accordingly, described in this utility model embodiment, battery 10 comprises: battery case 11, be contained in the electrolyte in described battery case 11, be fixedly installed on the feedthrough adapter 30 on described battery case 11, described wire 37 is connected with described electrolyte through described feedthrough adapter 30.
Accordingly, in the first embodiment of the present utility model, described feedthrough adapter 30 is relatively independent settings with described battery case 11, and described feedthrough adapter 30 is fixedly connected on described battery case 11 by welding or other modes.
Concrete, in conjunction with reference to shown in Fig. 3, Fig. 3 is in this utility model one embodiment, the structural representation of described feedthrough adapter 30.
Accordingly, in this utility model one embodiment, described feedthrough adapter 30 comprises: housing 31, and described housing 31 has the through hole 34 that can pass for wire; For sealing the insulated enclosure medium 33 in gap between described wire 35 and described housing 31; Wherein, in described through hole 34, along at least two-layer described insulated enclosure medium 33 of setting of described wire 35 bearing of trend spaces, between adjacent described insulated enclosure medium 33, be provided with insulating barrier 37.
Accordingly, described housing 31 is made up of metal material conventionally, be generally biocompatibility metal, for example: titanium or the alloy that contains titanium, near the top of described housing 31, extend from described housing 31 outer walls the annular brace platform 311 that is fixedly connected with described battery case 11, described brace table 311 is fixedly connected on described feedthrough adapter 30 on described battery case 11 by welding or other modes.
In this utility model one preferred implementation, described housing 31 is for having the cylinder of through hole 34, and described brace table 311 is annular brace table.
Accordingly, described wire 35 penetrates described through hole 34 and arranges, be connected with the electrolyte of inside battery, for by the electrical energy transfer of inside battery to battery case 11.The quantity of described wire, because of the difference of demand, can be set voluntarily, is generally 1,2,4,6,8 etc.; The material of described wire, generally selects filament, the filaments such as such as titanium, niobium, tungsten.
Concrete, in this utility model one preferred implementation, the quantity of described insulated enclosure medium 33 is two, described insulated enclosure medium 33 spaces, be arranged in parallel, and be provided with insulating barrier 37 between described insulated enclosure medium 33, so that described feedthrough adapter 30 has better sealing, reduce the risk that described battery 30 electrolyte inside are revealed.There is the feedthrough adapter of two described insulated enclosure media 33, there is better seal with respect to the feedthrough adapter 30 with single layer structure.For example: due to external environment condition; as variations in temperature; or the effect of other external force is while causing wherein described in one deck that crackle appears in insulated enclosure medium 33; another layer of described insulated enclosure medium 33 will continue to seal described feedthrough adapter 30; protect described feedthrough adapter 30 seals, prevent that the material in described feedthrough adapter 30 from revealing.In addition, owing to thering is certain interval between two described insulated enclosure media 33, and its position, interval is provided with insulating barrier 37, therefore, described insulated enclosure medium 33 occurs that the probability of crackle is significantly smaller than the probability that crackle appears in monolayer insulated enclosure medium, there is the feedthrough adapter 30 of at least two-layer described insulated enclosure medium 33, there is better sealing property with respect to the feedthrough adapter 30 with monolayer insulated enclosure medium.
Accordingly, the material of described insulated enclosure medium 33 is concrete restriction not, is generally high-temperature insulation material, such as glass, pottery etc.In preferred implementation of the present utility model, the material selection glass of described insulated enclosure medium 33.
The filling material of described insulating barrier 37 is not concrete restriction also, is generally gas blanket or high-temperature insulation material.For example: the blanketing gas of described gas blanket is air, noble gas or mist of containing noble gas etc.; Described noble gas can be argon, nitrogen, helium etc.Accordingly, described insulating barrier 37 is except for insulated enclosure medium 33 described in interval, also for detection of the seal of described feedthrough adapter 30.
It should be noted that, although the material of described insulated enclosure medium 33 and described insulating barrier 37 is all high-temperature insulation material, but in preferred implementation of the present utility model, for Crack prevention transmits between the insulated enclosure medium 33 of identical material and described insulating barrier 37, the concrete material that described insulated enclosure medium 33 and described insulating barrier 37 are selected is not identical.For example,, when material selection when pottery of described insulated enclosure medium 33, the material preferred glass of described insulating barrier 37, or gas.
In detailed description of the invention of the present utility model, the material selection gas of described insulating barrier 37, described insulating barrier 37 is except for insulated enclosure medium 33 described in interval, also for detection of the seal of described feedthrough adapter 30.
Further, as shown in Figure 2, Fig. 2 is the part-structure schematic diagram of the battery that is provided with feedthrough adapter of this utility model the second embodiment.
Concrete, the battery of described the second embodiment is similar to the battery general structure of described the first embodiment, and its difference is, described feedthrough adapter 30 and described battery case 11 are one-body molded.
Concrete, housing 31 upper ends of described feedthrough adapter 30, along direction vertical and described housing 31 axial lines, directly stretch out and form described battery case 11, to save the material of making described battery 10, in addition, when having saved described feedthrough adapter 30 and being connected with described battery 10, the welding sequence adopting.
Compared with prior art, be provided with the battery of above-mentioned feedthrough adapter, by at least two-layer described insulated enclosure medium 33 being set in feedthrough adapter 30 inside, and be provided with insulating barrier 37 between adjacent described insulated enclosure medium, greatly reduce the risk that inside battery electrolyte is revealed, and structure relative with processing technology simple, be easy to produce and application.
As shown in Figure 4, Fig. 4 is the structural representation that is provided with the implantable medical devices 100 of feedthrough adapter 30 in this utility model.
Accordingly, be provided with the implantable medical devices 50 of feedthrough adapter 30 as shown in Figure 3, comprise capsul 51, be fixedly installed on the feedthrough adapter 30 on described capsul 51, be arranged on the connection head 53 on capsul 51 tops, and being contained in the electronic device in described capsul 51, described electronic device comprises the circuit board 55 being arranged in described capsul 51 and the power supply 57 being connected with described circuit board 55; Described circuit board 55 is powered for producing electric stimulation pulse signal; Described power supply 57 is the power supply of whole implantable medical devices 50; Wherein, on described connection head 53, offer jack, pass through for the extension wire for the wire 35 that connects described feedthrough adapter 30, and by wire 35 and described extension wire, the electric stimulation pulse signal of circuit board 55 interior generations is passed to the neuronal target at electrode place, to reach the object for the treatment of disease.
Accordingly, on described capsul 51, be fixedly installed feedthrough adapter 30, described feedthrough adapter 30 is fixedly connected with by welding or other modes with described capsul 51; Or one-body molded with described capsul 51; Its connected mode is identical with the connected mode of described feedthrough adapter 30 with battery case 11 described above, is not described in detail at this.
In preferred implementation of the present utility model, on described implantable medical devices 50, be provided with two described feedthrough adapters 30, for convenience of description, two feedthrough adapters 30 are defined as respectively to the first feedthrough adapter 301 and the second feedthrough adapter 303 here.
Concrete, shown in Fig. 3, the housing 31 of described the first feedthrough adapter 301 inner conductings, housing 31, described housing 31 has the through hole 34 that can pass for wire; For sealing the insulated enclosure medium 33 in gap between described wire 35 and described housing 31; Wherein, in described through hole 34, along at least two-layer described insulated enclosure medium 33 of setting of described wire 35 bearing of trend spaces, between adjacent described insulated enclosure medium 33, be provided with insulating barrier 37.
Accordingly, described housing 31 is made up of metal material conventionally, be generally biocompatibility metal, for example: titanium or the alloy that contains titanium, near the top of described housing 31, extend from described housing 31 outer walls the annular brace platform 311 that is fixedly connected with described capsul 51, described brace table 311 is fixedly connected on described feedthrough adapter 30 on described capsul 51 by welding or other modes.
In this utility model one preferred implementation, the cylinder that described housing 31 is inner conducting, described brace table 311 is annular brace table.
Accordingly, described wire 35 penetrates described through hole 34 and arranges, for the outside to described implantable medical devices 50 by the electrical energy transfer of implantable medical devices 50 inside.The quantity of described wire, because of the difference of demand, can be set voluntarily, is generally 1,2,4,6,8 etc.; In the present embodiment, the quantity of described wire is 1; The material of described wire, generally selects filament, the filaments such as such as titanium, niobium, tungsten.
Concrete, in this utility model one preferred implementation, the quantity of described insulated enclosure medium 33 is at least two, described insulated enclosure medium 33 spaces, be arranged in parallel, and be provided with insulating barrier 37 between described insulated enclosure medium 33, so that described feedthrough adapter 30 has better sealing, by this feedthrough adapter 30 is set in implantable medical devices 50, prevent that human body fluid or blood from entering in implantable medical devices.There is the feedthrough adapter of two described insulated enclosure media 33, there is better seal with respect to the feedthrough adapter 30 with single layer structure.For example: due to external environment condition; as variations in temperature; or the effect of other external force is while causing wherein described in one deck that crackle appears in insulated enclosure medium 33; another layer of described insulated enclosure medium 33 will continue to seal described feedthrough adapter 30; protect described feedthrough adapter 30 seals, prevent that the material in described feedthrough adapter 30 from revealing.In addition, owing to thering is certain interval between two described insulated enclosure media 33, and its position, interval is provided with insulating barrier 37, therefore, described insulated enclosure medium 33 occurs that the probability of crackle is significantly smaller than the probability that crackle appears in monolayer insulated enclosure medium, and then there is the feedthrough adapter 30 of at least two-layer described insulated enclosure medium 33, there is better sealing property with respect to the feedthrough adapter 30 with monolayer insulated enclosure medium.
Accordingly, the material of described insulated enclosure medium 33 is concrete restriction not, is generally high-temperature insulation material, such as glass, pottery etc.In preferred implementation of the present utility model, the material selection glass of described insulated enclosure medium 33.
The filling material of described insulating barrier 37 is not concrete restriction also, is generally gas blanket or high-temperature insulation material.For example: air, noble gas or mist of containing noble gas etc.; Described noble gas can be argon, nitrogen, helium etc.Accordingly, described insulating barrier 37 is except for insulated enclosure medium 33 described in interval, also for detection of the seal of described feedthrough adapter 30.
It should be noted that, although the material of described insulated enclosure medium 33 and described insulating barrier 37 is all high-temperature insulation material, but in preferred implementation of the present utility model, for Crack prevention transmits between the insulated enclosure medium 33 of identical material and described insulating barrier 37, the concrete material that described insulated enclosure medium 33 and described insulating barrier 37 are selected is not identical.For example,, when material selection when pottery of described insulated enclosure medium 33, the material preferred glass of described insulating barrier 37, or gas.
In detailed description of the invention of the present utility model, the material selection gas of described insulating barrier 37, described insulating barrier 37 is except for insulated enclosure medium 33 described in interval, also for detection of the seal of described feedthrough adapter 30.
In this utility model, the structure of the second feedthrough adapter 303 and the first feedthrough adapter 301 described above is substantially identical, and its difference is, the wire of described the first feedthrough adapter 301 is set to 1, and the wire of described the second feedthrough adapter 303 is set to 8.
With prior art, be provided with the implantable medical devices of said structure, at least two insulated enclosure media are set in described feedthrough adapter, and be provided with insulating barrier between described insulated enclosure medium, greatly reduce the destroyed risk of feedthrough adapter sealing in implantable medical devices, prevent that human body fluid or blood from entering in implantable medical devices, improved job security and the reliability in the human body of implanting of implantable medical devices, and structure relative with processing technology simple, be easy to produce and application.
Be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility embodiment of the present utility model; they are not in order to limit protection domain of the present utility model, all do not depart from the equivalent embodiment that this utility model skill spirit does or change and all should be included in protection domain of the present utility model within.
Claims (10)
1. a feedthrough adapter, comprising:
Housing, described housing has the through hole that can pass for wire;
Insulated enclosure medium, for sealing the gap between described wire and described housing;
It is characterized in that: in described through hole, along at least two-layer described insulated enclosure medium of setting of described wire bearing of trend space, between adjacent described insulated enclosure medium, be provided with insulating barrier.
2. feedthrough adapter according to claim 1, is characterized in that, the material of described insulated enclosure medium is glass or pottery.
3. feedthrough adapter according to claim 1, is characterized in that, described insulating barrier is gas blanket or high-temperature insulation material layer.
4. feedthrough adapter according to claim 3, is characterized in that, the blanketing gas of described gas blanket is air, noble gas or the mist that contains noble gas.
5. feedthrough adapter according to claim 4, is characterized in that, described noble gas is argon, nitrogen or helium.
6. feedthrough adapter according to claim 1, is characterized in that, the material of described insulated enclosure medium is glass, and the material of described high-temperature insulation material layer is pottery.
7. a battery, comprise battery case, be contained in the electrolyte in described battery case, it is characterized in that, described battery also comprises: the feedthrough adapter as described in any one in claim 1 to 6, described feedthrough adapter is fixedly installed on described battery case, and described wire is connected with described electrolyte through described feedthrough adapter.
8. battery according to claim 7, is characterized in that, described battery case and described feedthrough adapter are wholely set.
9. an implantable medical devices, comprise capsul, be contained in the electronic device in described capsul, it is characterized in that, described implantable medical devices also comprises: the feedthrough adapter as described in any one in claim 1 to 6, described feedthrough adapter is fixedly installed on described capsul, and described wire is connected with described electronic device through described feedthrough adapter.
10. implantable medical devices according to claim 9, is characterized in that, described capsul and described feedthrough adapter are wholely set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377275.2U CN203989480U (en) | 2014-07-09 | 2014-07-09 | Feedthrough adapter, the battery with this feedthrough adapter and implantable medical devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377275.2U CN203989480U (en) | 2014-07-09 | 2014-07-09 | Feedthrough adapter, the battery with this feedthrough adapter and implantable medical devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203989480U true CN203989480U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420377275.2U Withdrawn - After Issue CN203989480U (en) | 2014-07-09 | 2014-07-09 | Feedthrough adapter, the battery with this feedthrough adapter and implantable medical devices |
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| CN (1) | CN203989480U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096315A (en) * | 2014-07-09 | 2014-10-15 | 苏州景昱医疗器械有限公司 | Feed-through connector, battery with feed-through connector and implantable medical device |
| CN108079437A (en) * | 2016-11-21 | 2018-05-29 | 创领心律管理医疗器械（上海）有限公司 | Pacemaker and its fixing means and transport system |
| CN109364375A (en) * | 2018-11-23 | 2019-02-22 | 清华大学 | Feed-through filter and its insulation filtering unit and production method |
-
2014
- 2014-07-09 CN CN201420377275.2U patent/CN203989480U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096315A (en) * | 2014-07-09 | 2014-10-15 | 苏州景昱医疗器械有限公司 | Feed-through connector, battery with feed-through connector and implantable medical device |
| CN104096315B (en) * | 2014-07-09 | 2016-08-24 | 苏州景昱医疗器械有限公司 | Feed through connector, the battery with this feed through connector and implantable medical devices |
| CN108079437A (en) * | 2016-11-21 | 2018-05-29 | 创领心律管理医疗器械（上海）有限公司 | Pacemaker and its fixing means and transport system |
| CN108079437B (en) * | 2016-11-21 | 2021-10-26 | 创领心律管理医疗器械（上海）有限公司 | Cardiac pacing device, fixing method thereof and delivery system |
| CN109364375A (en) * | 2018-11-23 | 2019-02-22 | 清华大学 | Feed-through filter and its insulation filtering unit and production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |