WO2017123051A1 - 피드스루 장치 - Google Patents
피드스루 장치 Download PDFInfo
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- WO2017123051A1 WO2017123051A1 PCT/KR2017/000480 KR2017000480W WO2017123051A1 WO 2017123051 A1 WO2017123051 A1 WO 2017123051A1 KR 2017000480 W KR2017000480 W KR 2017000480W WO 2017123051 A1 WO2017123051 A1 WO 2017123051A1
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- Prior art keywords
- feedthrough
- conductor
- substrate
- film
- conductors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/686—Permanently implanted devices, e.g. pacemakers, other stimulators, biochips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/3752—Details of casing-lead connections
- A61N1/3754—Feedthroughs
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/02—Linings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
- H01G2/106—Fixing the capacitor in a housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2300/00—Details of garments
- A41D2300/20—Inserts
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2400/00—Functions or special features of garments
- A41D2400/38—Shaping the contour of the body or adjusting the figure
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2400/00—Functions or special features of garments
- A41D2400/44—Donning facilities
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/12—Manufacturing methods specially adapted for producing sensors for in-vivo measurements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
- A61B2562/225—Connectors or couplings
- A61B2562/227—Sensors with electrical connectors
Definitions
- the present disclosure relates to feedthrough devices, and more particularly, to feedthrough devices for living implantable devices.
- Implantable devices such as a living implantable stimulator, a living implantable detector, a heart pacemaker, a nerve prosthesis, and a neuromodulator are very important for sealing between the inside and the outside of a device because they are implanted and operated in a living body. If the device is not sealed properly, body fluids may leak into the electronic circuitry present inside the device, which may cause various problems such as device failure, malfunction, and shortened life.
- the feedthrough device also known as the feedthrough assembly, is the housing of the device to provide an electrical connection between the electronic circuitry inside the device and the leads, electrodes, sensors, etc. located within the human body outside the device. To be laid in.
- the conventional implantable device 1 comprises a housing 2 of titanium or titanium alloy (in the example shown, from top to bottom, the upper housing component 2a, the intermediate housing component 2b, the lower portion). Consisting of a housing component (2c), an electronic circuit (3) installed inside the housing (2), and a feedthrough device (4) inserted into and installed in a coupling hole (2d) formed through the housing (2). .
- the feedthrough device 4 is shown enlarged in comparison with the housing 2 in FIG. 1.
- the feed-through device 4 is composed of a feed-through substrate 5 made of a non-conductor such as ceramic and a plurality of feed-through conductors 6 fixed through the feed-through substrate 5.
- the housing 2 and the feed-through substrate made of titanium or titanium alloy are prevented to prevent body fluid leakage into the electronic circuit 3 through the feed-through device 4.
- (5) is bonded by a brazing process (a process of applying filler metal to a joint of a dissimilar material and heating and bonding it at a high temperature of about 1000 ° C.), while the feed-through substrate 2, which is an insulator such as ceramic,
- the boundary part where the feed-through conductor 6 made of metal contacts is also brazed to improve the sealing property. That is, as shown in FIG.
- the present disclosure aims to provide a feedthrough apparatus capable of simply preventing leakage through the feedthrough apparatus without requiring complicated and cumbersome processes such as a brazing process.
- a feedthrough apparatus of the present disclosure for achieving the object of the present disclosure as described above comprises: a feedthrough substrate which is a non-conductor having a first side and a second side; At least one first feedthrough conductor having a terminal exposed to the first surface of the feedthrough substrate and a body connected to the terminal and not exposed outside of the feedthrough substrate; And at least one second pair having a terminal exposed to the second surface of the feedthrough substrate and a body connected to the terminal and not exposed to the outside of the feedthrough substrate, and paired one-to-one with each of the first feedthrough conductors.
- Feed-through conductors; And a body of each of the first feedthrough conductors and a corresponding body of the second feedthrough conductor are arranged to be capacitive coupling with each other.
- the living implantable device of the present disclosure for achieving the object of the present disclosure includes a housing and a feedthrough device installed in the housing, the feedthrough device is a non-conductive feed having a first side and a second side A through substrate; At least one first feedthrough conductor having a terminal exposed to the first surface of the feedthrough substrate and a body connected to the terminal and not exposed outside of the feedthrough substrate; And at least one second pair having a terminal exposed to the second surface of the feedthrough substrate and a body connected to the terminal and not exposed to the outside of the feedthrough substrate, and paired one-to-one with each of the first feedthrough conductors.
- Feed-through conductors; And a body of each of the first feedthrough conductors and a corresponding body of the second feedthrough conductor are arranged to be capacitive coupling with each other.
- a method of manufacturing a feedthrough device of the present disclosure for achieving the object of the present disclosure is formed by forming at least one second conductive plate spaced apart from the first film formed at least one first conductive plate spaced apart from each other
- the first conductive plate and the second conductive layer are laminated so that the first film and the second conductive plate are alternately stacked, and each of the first conductive plate and the second conductive plate has a non-overlapping portion not overlapped with an overlapping portion overlapping with the orthogonal shape of the conductive plate adjacent in the vertical direction.
- a molded article comprising a capacitive laminate comprising a structure in which a plurality of first films and a second film are laminated so as to cross a conductive plate, and a third film interposed between adjacent capacitive laminates, wherein the films are bonded to each other.
- Forming a body A plurality of first terminals connected to the non-overlapping ends of the first conductive plate belonging to each of the first laminate parts constituting the cut body are formed on the first surface, and the first belonging to each first laminate part.
- Forming a terminal assembly by forming a plurality of second terminals connecting the non-overlapping ends of the conductive plate on the second surface; And cutting the terminal assembly perpendicular to the stacking direction to include a plurality of first terminals and corresponding second terminals.
- the feedthrough conductor does not penetrate the feedthrough substrate, leakage through the feedthrough device is simplified without requiring complicated and cumbersome processes such as a brazing process for sealing between the feedthrough substrate and the feedthrough conductor. Is prevented.
- the structure of the feedthrough device is changed to a structure in which the feedthrough conductor does not penetrate through the feedthrough substrate in the feedthrough device, the cause of leakage is essentially eliminated, so that leakage through the feedthrough device is surely prevented.
- the feedthrough device is capable of blocking direct current through the feedthrough device due to capacitive coupling of the feedthrough conductor pair, so that the direct current from the electronic circuit in the implantable device does not leak into the body. There is no need to install a separate DC capacitor in the electronic circuit, which is economical, simplifies the electronic circuit and improves circuit integration efficiency.
- FIG. 1 is an exploded perspective view schematically showing a living implantable device to which a feedthrough device according to the prior art is applied.
- FIG. 2 is a photograph showing a sealing structure of a boundary portion between a feedthrough substrate and a feedthrough conductor in a feedthrough apparatus according to the prior art.
- FIG. 3 is a perspective view illustrating a feedthrough apparatus according to an embodiment of the present disclosure.
- FIG. 4 is a cross-sectional view taken along the line A-A of FIG.
- FIG. 5 is a cross-sectional view illustrating a feedthrough apparatus according to another exemplary embodiment of the present disclosure.
- FIG. 6 is a schematic cross-sectional view of a conventional implantable device having a liquid crystal polymer or polymer material housing.
- FIG. 7 is a schematic cross-sectional view of a bio implantable device having a liquid crystal polymer or polymer material housing to which a feedthrough device is applied, according to another embodiment of the present disclosure.
- FIG. 8 is a diagram conceptually illustrating an example in which a biocompatible connector is used.
- FIG. 9 is an exploded perspective view showing a specific configuration of the living implantable connector of FIG.
- FIGS. 10 to 14 are views showing a feedthrough device manufacturing method according to an embodiment of the present disclosure in order.
- FIG. 15 is a view showing an example of using a feedthrough device manufactured by the manufacturing method shown in FIGS. 10 to 14.
- FIG. 3 is a perspective view illustrating a feedthrough apparatus according to an embodiment of the present disclosure
- FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3.
- the feedthrough device 10 includes a feedthrough substrate 20, at least one first feedthrough conductor 30, at least one second feedthrough conductor ( 40).
- the feed-through substrate has a first face 21 and a second face 22, which may also be referred to as an upper face and a lower face.
- the first feedthrough conductor 30 is composed of a terminal 31 and a body 32, and the terminal is exposed to the first surface 21 and the body 32 is not exposed to the outside in the feedthrough substrate 20.
- the second feedthrough conductor 40 is also composed of a terminal 41 and a body 42, the terminal 41 being exposed to the second face 42 and the body 42 is not exposed to the outside. ) Is located inside.
- the first feedthrough conductor 30 and the second feedthrough conductor 40 are paired in a one-to-one correspondence, and the body 32 of the corresponding first feedthrough conductor and the body 42 of the second feedthrough conductor are Are arranged to be capacitively coupled to one another.
- the body 32 of each first feedthrough conductor 30 has one or more branches 32a and corresponding second feedthrough conductors.
- the body 42 of the 40 also has one or more branches 42a, such that the first feedthrough conductor 30 and the corresponding second feedthrough conductor 40 have their branches 32a, 42a. It may be arranged to alternate.
- the alternating branches 32a, 42a are not necessarily parallel, but to further strengthen capacitive coupling, the branches 32a of the first feedthrough conductor 30 and the corresponding second feedthrough conductor 40 are provided.
- the alternately arranged branches 42a may be substantially parallel to each other.
- first side 21 and the second side 22 of the feedthrough substrate 20 may be substantially parallel to each other and at the same time the branches 32a of the first feedthrough conductor 30.
- the branch portion 42a of the second feedthrough conductor 40 may be substantially parallel to the first surface 21 and the second surface 22 of the feedthrough substrate 20.
- FIG. 5 is a cross-sectional view illustrating a feedthrough apparatus according to another exemplary embodiment of the present disclosure.
- a feedthrough device 110 may include a feedthrough substrate 120, one or more first feedthrough conductors 130, and one or more second feedthrough conductors 140.
- the body 132 of each first feedthrough conductor 130 has one or more branches 132a
- the body 142 of the second feedthrough conductor 140 corresponding thereto also has one or more branches.
- the part 142a is provided.
- Reference numerals 131 and 141 denote terminals of the conductors 130 and 140.
- the first feed-through conductor 130 and the second feed-through conductor 140 corresponding thereto are arranged such that the branch portions 132a and 142a are alternately disposed, and the first surface 121 of the feed-through substrate 120.
- the second surface 122 is substantially parallel to each other, and the branch portion 132a of the first feedthrough conductor 130 and the branch portion 142a of the second feedthrough conductor are connected to the first surface of the feedthrough substrate 120. It is substantially perpendicular to the 121 and the second surface 122.
- the phosphorus branch portions 132a and 142a are shown, the present disclosure is not limited thereto, and the present disclosure may also include branch portions that are inclined at an arbitrary angle with respect to the first surfaces 21 and 121 and the second surfaces 22 and 122. In addition to being included in the disclosure, a case in which the first surfaces 21 and 121 and the second surfaces 22 and 122 are not parallel to each other should be considered to be included in the present disclosure.
- the heights of the first surface 21 and the upper surface of the terminal 31 of the first feedthrough conductor 30 coincide with each other, and the second surface 22 and the second feedthrough conductor 40 correspond to each other.
- the heights of the upper surfaces of the terminals 41 are shown to coincide, and the same is illustrated in the embodiment shown in FIG.
- the present disclosure is not limited thereto, and although not specifically illustrated, the height of the upper surface of the terminal is lower than that of the first or second surface of the feed-through substrate, or vice versa, than the first or second surface.
- High protrusions should also be considered to be included in the present disclosure.
- the protruding height or recessed depth of the terminal may vary depending on what the shape of the mating terminal is electrically connected to the terminal and / or what the coupling method between the terminal and the mating terminal is.
- the bodies 32, 132 of the first feedthrough conductors 30, 130 are arranged at equal intervals from each other and are paired with the second feedthrough conductor 40,
- the bodies 42 and 142 of the 140 may also be arranged at equal intervals from each other.
- This arrangement means that the pairs of conductors formed by the first feedthrough conductors 30 and 130 and the second feedthrough conductors 40 and 140 corresponding thereto have the same symmetry or uniformity. In addition, this uniformity reduces the need for different handling of individual conductor pairs, which is advantageous for signal transmission and interpretation of received signals through the conductor pairs.
- an electrical signal generated from an electronic circuit (not shown) in the device is applied to the first feedthrough conductors 30 and 130 of the feedthrough devices 10 and 110.
- the terminals (31, 131) of the first feedthrough conductor (30, 130) of the body (32, 132), and then the body (32, 132) and capacity of the first feedthrough conductor (30, 130) External leads, electrodes and sensors connected to the terminals 41 and 141 of the second feedthrough conductors 40 and 140 via the bodies 42 and 142 of the second feedthrough conductors 40 and 140 which are in sexual coupling. And so on.
- an electrical signal generated from a lead, an electrode, a sensor, or the like outside the device may be passed through the second feedthrough through the terminals 41 and 141 of the second feedthrough conductors 40 and 140 of the feedthrough devices 10 and 110.
- First feedthrough conductors 30 and 130 that are delivered to the bodies 42 and 142 of the conductors 40 and 140 and are capacitively coupled to the bodies 42 and 142 of the second feedthrough conductors 40 and 140.
- the body 32, 132 is transferred to the electronic circuit in the device connected to the terminals 31, 131 of the first feed-through conductor 30, 130.
- a signal coming into the feedthrough devices 10 and 110 from the inside and outside of the device is a direct current. It should be prepared not to. This is because direct current cannot pass through capacitively coupled conductor pairs.
- direct current does not pass through the feedthrough devices 10 and 110 in that the feedthrough devices 10 and 110 of the present disclosure are used in a living body such as a human body.
- Direct current flow into the living body is not allowed for safety reasons, and therefore, in a conventional living implantable device, an unwanted direct current component generated from the electronic circuit 3 (FIG. 1) in the living implantable device does not leak into the body. It was common to install a separate DC capacitor in an electronic circuit.
- the feed-through device 10, 110 can block the DC current through the feed-through device due to the capacitive coupling of the feed-through conductor pair (30 and 40 or 130 and 140) separate DC capacitor There is no need to install in the electronic circuit, it is economical, the electronic circuit can be simplified and the circuit integration efficiency can be improved.
- the feedthrough devices 10, 110 do not have any feedthrough conductors through the feedthrough substrates 20, 120 and thus feedthrough. There is no physical passageway through which fluid can leak between the first side 21, 121 and the second side 22, 122 of the substrate 20, 120. Accordingly, leakage through the feedthrough devices 10 and 110 is simply prevented without requiring complicated and cumbersome processes such as brazing processes to seal the physical passages, and the root cause of the leakage is eliminated, thereby providing a feedthrough device 10 and 110. Leakage through) is surely prevented.
- the feedthrough devices 10, 110 are joined to the housing of the device in which the feedthrough devices 10, 110 are used, as in the prior art of FIG. 1.
- the feedthrough substrate is bonded to the housing of the device by a brazing process and the like, but the feedthrough substrate may be a ceramic material, but is not limited thereto.
- the housing of the device will generally be made of metal, but is not limited thereto. The present disclosure does not relate to the features associated with the housing and therefore does not have the accompanying drawings and descriptions.
- the feedthrough device may be integrally formed of the same material as the liquid crystal polymer (LCP) or polymer housing of the device in which the feedthrough device is used. This will be described in detail with reference to FIGS. 6 to 7.
- LCP liquid crystal polymer
- FIG. 6 is a schematic cross-sectional view of a conventional implantable device having a liquid crystal polymer or polymer material housing.
- a living implantable device 50 having a conventional liquid crystal polymer or polymer housing (hereinafter also referred to as 'polymer housing') 51 may include an electronic circuit 52 inside the polymer housing 51. It is provided.
- An electrode array 55 connected to the conductive line 54 is formed at the other end of the conductive wire installation unit 53, and a passivation layer 56 covers and protects the conductive line 54 and the electrode array 55.
- the polymer housing 51, the conductor installation portion 53, and the passivation layer 56 are all the same or similar thermoplastic materials and are homogeneously bonded by thermal press bonding to be bonded to each other after being heated to a predetermined temperature and pressurized. do.
- Conventional methods for fabricating the implantable device 50 having the polymer housing 51, including the method of configuring the electronic circuit 52, the lead 54, and the electrode array 55, are known in the art. Description is omitted.
- the living implantable device 50 having the conventional polymer housing 51 having the above-described structure has a lower risk of leakage compared to the living implantable device 1 having the conventional metal housing 2 shown in FIG. 1. It has been recognized. The main reason is not the heterojunction between the metal housing 2 and the ceramic feed-through substrate 5 by the brazing process (see FIG. 1), but the homogeneous bonding of the thermoplastic material, the polymer housing 51 and the lead installation portion 53. ), The passivation layers 56 are interconnected, so that there is less risk of leakage through the interconnected portions.
- the conductive wire 54 may be formed by starting with the electrode exposed portion 56a formed in the passivation layer 56 corresponding to the electrode array 55.
- FIG. 7 schematically illustrates a living implantable device having a liquid crystal polymer or polymer material housing (hereinafter referred to as a 'polymer housing' in accordance with the description of the prior art) to which a feedthrough device is applied according to another embodiment of the present disclosure. It is a cross section shown.
- the implantable device 150 having the polymer housing 151 according to the present disclosure is provided with an electronic circuit 152 inside the polymer housing 151, one end of which is the polymer housing 151.
- the wire installation unit 153 coupled to the extension is formed to extend to the outside of the polymer housing 151 and the wire 154 connected to the electronic circuit 152 is installed on the wire installation unit 153, the wire installation unit 153
- the electrode array 155 connected to the conductive line 154 is formed at the other end, and the passivation layer 156 covers and protects the conductive line 154 and the electrode array 155 in FIG. 6. Similar to the prior art. However, in the present disclosure, the conductive wire 154 on the conductive wire mounting unit 153 does not directly connect the electronic circuit 152 through the polymer housing 151, but electrically connect the conductive wire 154 and the electronic circuit 152.
- the feedthrough device 10 is provided in the polymer housing 151, and the feedthrough substrate 20 of the feedthrough device 10 is a polymer of the living implantable device 150 in which the feedthrough device 10 is used.
- Liquid crystal polymer (LCP) or polymer material which is the same material as the housing 151, is similar to the feedthrough device 10 described above with reference to FIG. 4 except that it is integral with the polymer housing 151. In view of similarity, elements having similar functions are denoted by the same reference numerals as in FIG. 4).
- the lower plate of the polymer housing 151 positioned under the electronic circuit 152 may be referred to as a feed-through substrate 20.
- Reference numerals 157 and 158 denote electrical connections from the electronic circuit 152 to the feedthrough device 10 and from the conductive wire 154 to the feedthrough device 10, respectively, 156a corresponding to the electrode array 155.
- the electrode exposed portion 56a formed at 156 is shown.
- the living body implantable device 150 having the polymer housing 151 according to the present disclosure does not have conductive wires penetrating the inside and the outside of the polymer housing including the electronic circuit, a physical passage through which fluid, including a body fluid, may leak is provided. It doesn't exist at all. Thus, the cause of leakage is essentially eliminated, and leakage into the polymer housing is surely prevented.
- the living implantable device described so far has been provided with an electronic circuit inside the housing, but the living implantable device in the present disclosure is not limited thereto, and means any device that is implanted in a living body and receives or receives an electrical signal. It should be seen as doing.
- the implantable stimulator, implantable biosensor, cardiac pacemaker, neural prosthesis, neuromodulator, and the like, as well as the implantable connector may be considered to be included in this category.
- FIG. 8 is a diagram conceptually illustrating an example in which a biocompatible connector is used.
- the living implantable connector 200 is connected between one living implantable device (neuromodulator in FIG. 8) 300 and another living implantable device (neuroelectrode array in FIG. 8) 400. It is located in the device for electrically connecting both living implantable device (300, 400).
- FIG. 9 is an exploded perspective view showing a specific configuration of the living implantable connector of FIG.
- the bio implantable connector includes a housing 210 and a feedthrough device 220.
- One side of the housing 210 is sealed through the conductive wire 230 extending from another living implantable device (not shown). That is, the periphery of the perforated portion while being penetrated by the conductive wire 230 is sealed so that fluid such as body fluid cannot leak around the perforated portion.
- the feed-through device 220 is provided for electrically connecting the housing inner end 230a of the sealed through wire 230 and another living implantable device outside the housing 230, specifically, outside the housing 230.
- the specific configuration thereof is the same as the feedthrough apparatus of the present disclosure described above, and thus description thereof is omitted.
- the living implantable connector 200 has a shape in which the conductive wire 230 is sealed and penetrated to one side of the housing 210, the both sides of the feedthrough device are not connected to the conductive wire.
- a living implantable connector in the form of an open housing enclosed.
- FIGS. 10-14 show in sequence a method of making a feedthrough device suitable for use in a feedthrough device, particularly a bio implantable device having a polymer housing, according to one embodiment of the present disclosure.
- the molded body 500 consists of a plurality of capacitive laminates 510 and a third film 520 interposed between adjacent capacitive laminates 510 (see FIG. 10), which are bonded to each other (see FIG. 11). ).
- the capacitive laminate 510 forms one or more second conductive plates 513 spaced apart from the first film 512 that forms one or more first conductive plates 511 spaced apart from each other.
- One second film 514 includes a structure that is alternately stacked. Forming the conductive plates 511, 513 on the films 512, 514 can be done by any known patterning method.
- the term “comprising” above is used as the capacitive laminate 510 may have other layers in addition to the first film 512 or the second film 514.
- the outermost layer of the capacitive laminate 510 may be a layer other than the first film 512 or the second film 514.
- another layer may be present between the first film 512 or the second film 514.
- a bonding film 516 having a lower melting point than the first film 512 and the second film 514 between the first film 512 and the second film 514. May be further laminated, and the film is heated by a thermal press bonding, which is then heated to a temperature higher than the melting point of the bonding film 516 and lower than the melting points of the first film 512 and the second film 514 and then pressurized. Interconnection of 512, 514, 516 is possible.
- the bonding film 516 even if the bonding film 516 is not used, the first film 512 through a thermal press bonding or other known method of heating to a temperature higher than the melting point of the first film 512 and the second film 514 and then pressing it. ) And the second film 514 can be achieved as a matter of course.
- each of the first conductive plate 511 and the second conductive plate 513 overlaps an orthogonal image in the stacking direction of the conductive plates adjacent in the vertical direction.
- the films 512 and 514 are stacked such that the first conductive plate 511 and the second conductive plate 513 are staggered to have the non-overlapping portions 511b and 513b not overlapping with the portions 511a and 513a.
- the overlapping portions 511a and 513a are portions inside the vertical dotted lines and the non-overlapping portions 511b and 513b are portions outside the vertical dotted lines.
- a plurality of such capacitive laminates 510 are present, and a third film 520 is interposed between adjacent capacitive laminates 510, and the films 512, 514, and 516 of the capacitive laminate 510 are interposed with each other.
- the third films 520 are bonded to each other to complete the molded body 500 as shown in FIG. 11.
- the third films 520 are named differently by location and the thickness of each third film 520 may be different.
- the third film 520 is a name according to the final shape after forming the molded body 500, the third film 520 does not necessarily mean a thick film, but may be a plurality of thin films that are bonded to each other to become thick.
- the present invention is not limited to being in the form of a film, that is, in a solid state, but may be supplied in a fluid state and then formed into a solid state when the molded body 500 is completed.
- the first film 512, the second film 514, and the third film 520 may be made of a liquid crystal polymer or a polymer material to facilitate bonding by thermal press bonding, and in the following description related to FIG. 15. As can be seen, it can be easily applied to a living implantable device having a polymer housing.
- FIGS. 10 and 11 shows a method of forming a molded body by laminating the constituent parts of the molded body without bonding and then bonding them. That is, it is shown that after the step (FIG. 10) of laminating the films constituting the molded body without mutual bonding (FIG. 10), the laminated films are bonded to each other to form the molded body (FIG. 11).
- the steps of forming the bonded capacitive laminate in which the films 512, 514, 516 constituting the capacitive laminate 510 are laminated and also bonded to each other, are first performed, and then the bonded capacitive The third film 520 is bonded between the stacks to form the molded body 500.
- the third film may be solidified by being supplied in a fluid state between the bonded capacitive laminates.
- a method such as double injection may be possible in which the bonded capacitive laminates are arranged at a predetermined distance and supplied with a fluid to be spaced between them.
- the molded body 500 is cut along the stacking direction (cut lines are shown by dotted lines) to form the first conductive plate ( An end portion of the non-overlapping portion 511b of the 511 is exposed to the first surface 531, and an end portion of the non-overlapping portion 513b of the second conductive plate 513 is opposite to the first surface 531. Form one or more cuts 530 that are exposed.
- the next step is to form a terminal connecting the ends of the non-overlapping portions 511b and 513b exposed on the first surface 531 and the second surface 532 of the cut body 530.
- the non-overlapping part 511b edge part of the 1st conductive board 511 which belongs to the part of each 1st laminated body (510 of FIG. 10 (b)) which comprises the cut body 530 is shown.
- the second terminal 542 is formed on the second surface 532 to form the terminal assembly 540.
- the terminal assembly 540 is cut perpendicular to the stacking direction to include a plurality of first terminals 541 and corresponding second terminals (not shown in FIG. 14).
- FIG. 13 illustrates the lamination direction to be an up and down direction in the drawing
- FIG. 14 illustrates the lamination direction to be a front and rear direction (a direction entering or exiting perpendicular to the vertical surface) in the drawing. That is, when a cross section along the line B-B is shown in the drawing, a drawing similar to FIG. 13 will be obtained.
- FIG. 15 which illustrates an example of using a feedthrough device manufactured by the manufacturing method shown in FIGS. 10 to 14, the first surface 531 of the finished feedthrough device 600 is formed.
- the same shape as that shown in Fig. 7 is made of reference numerals 151, 152, 10, and 20. It can be applied to make a living implantable device having a polymer housing such as.
- the present disclosure is applicable to industries related to living implantable devices, such as living implantable stimulators, living implantable sensors, heart pacemakers, neural prostheses, and neuromodulators.
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Abstract
Description
Claims (23)
- 제 1 면과 제 2 면을 가지는 부도체인 피드스루 기판과;상기 피드스루 기판의 제 1 면으로 노출된 단자와 상기 단자에 연결되고 피드스루 기판 외부로 노출되지 않는 몸체를 갖는 하나 이상의 제 1 피드스루 전도체; 및상기 피드스루 기판의 제 2 면으로 노출된 단자와 상기 단자에 연결되고 피드스루 기판 외부로 노출되지 않는 몸체를 가지며, 상기 제 1 피드스루 전도체 각각과 일대일로 대응되어 쌍을 이루는 하나 이상의 제 2 피드스루 전도체; 를 포함하고,상기 각각의 제 1 피드스루 전도체의 몸체와 그에 대응되는 제 2 피드스루 전도체의 몸체는 서로 용량성 결합(capacitive coupling) 되도록 배치되는,피드스루 장치.
- 제 1 항에 있어서,상기 각각의 제 1 피드스루 전도체의 몸체는 하나 이상의 가지부를 구비하고, 대응되는 제 2 피드스루 전도체의 몸체도 하나 이상의 가지부를 구비하여, 제 1 피드스루 전도체와 그에 대응되는 제 2 피드스루 전도체는 그 가지부들이 교번하도록 배치되는,피드스루 장치.
- 제 2 항에 있어서,상기 제 1 피드스루 전도체의 가지부와 그에 대응되는 제 2 피드스루 전도체의 교번하도록 배치되는 가지부는 서로 실질적으로 평행한,피드스루 장치.
- 제 2 항에 있어서,상기 피드스루 기판의 제 1 면과 제 2 면은 서로 실질적으로 평행하고, 상기 제 1 피드스루 전도체의 가지부와 제 2 피드스루 전도체의 가지부는 상기 피드스루 기판의 제 1 면과 제 2 면에 실질적으로 평행한,피드스루 장치.
- 제 2 항에 있어서,상기 피드스루 기판의 제 1 면과 제 2 면은 서로 실질적으로 평행하고, 상기 제 1 피드스루 전도체의 가지부와 제 2 피드스루 전도체의 가지부는 피드스루 기판의 제 1 면과 제 2 면에 실질적으로 수직인,피드스루 장치.
- 제 1 항에 있어서,상기 제 1 피드스루 전도체의 몸체는 서로 등 간격 이격되게 배치되고, 상기 제 2 피드스루 전도체의 몸체도 서로 등 간격 이격되게 배치되는,피드스루 장치.
- 제 1 항에 있어서,상기 피드스루 기판은 피드스루 장치를 포함하는 기기의 하우징에 접합되며 세라믹 재질인,피드스루 장치.
- 제 1 항에 있어서,상기 피드스루 기판은 피드스루 장치를 포함하는 기기의 액정 폴리머(LCP, Liquid Crystal Polymer) 또는 폴리머 재질 하우징과 동일한 재질로 일체로 된,피드스루 장치.
- 하우징과 상기 하우징 내에 설치되는 피드스루 장치를 포함하며,상기 피드스루 장치는,제 1 면과 제 2 면을 가지는 부도체인 피드스루 기판과;상기 피드스루 기판의 제 1 면으로 노출된 단자와 상기 단자에 연결되고 피드스루 기판 외부로 노출되지 않는 몸체를 갖는 하나 이상의 제 1 피드스루 전도체; 및상기 피드스루 기판의 제 2 면으로 노출된 단자와 상기 단자에 연결되고 피드스루 기판 외부로 노출되지 않는 몸체를 가지며, 상기 제 1 피드스루 전도체 각각과 일대일로 대응되어 쌍을 이루는 하나 이상의 제 2 피드스루 전도체; 를 포함하고,상기 각각의 제 1 피드스루 전도체의 몸체와 그에 대응되는 제 2 피드스루 전도체의 몸체는 서로 용량성 결합(capacitive coupling) 되도록 배치되는,생체 이식형 기기.
- 제 9 항에 있어서,상기 각각의 제 1 피드스루 전도체의 몸체는 하나 이상의 가지부를 구비하고, 대응되는 제 2 피드스루 전도체의 몸체도 하나 이상의 가지부를 구비하여, 제 1 피드스루 전도체와 그에 대응되는 제 2 피드스루 전도체는 그 가지부들이 교번하도록 배치되는,생체 이식형 기기.
- 제 10 항에 있어서,상기 제 1 피드스루 전도체의 가지부와 그에 대응되는 제 2 피드스루 전도체의 교번하도록 배치되는 가지부는 서로 실질적으로 평행한,생체 이식형 기기.
- 제 10 항에 있어서,상기 피드스루 기판의 제 1 면과 제 2 면은 서로 실질적으로 평행하고, 상기 제 1 피드스루 전도체의 가지부와 제 2 피드스루 전도체의 가지부는 상기 피드스루 기판의 제 1 면과 제 2 면에 실질적으로 평행한,생체 이식형 기기.
- 제 10 항에 있어서,상기 피드스루 기판의 제 1 면과 제 2 면은 서로 실질적으로 평행하고, 상기 제 1 피드스루 전도체의 가지부와 제 2 피드스루 전도체의 가지부는 피드스루 기판의 제 1 면과 제 2 면에 실질적으로 수직인,생체 이식형 기기.
- 제 9 항에 있어서,상기 제 1 피드스루 전도체의 몸체는 서로 등 간격 이격되게 배치되고, 상기 제 2 피드스루 전도체의 몸체도 서로 등 간격 이격되게 배치되는,생체 이식형 기기.
- 상호 이격된 하나 이상의 제 1 도전판을 형성한 제 1 필름과 상호 이격된 하나 이상의 제 2 도전판을 형성한 제 2 필름이 교대로 적층되되, 상기 제 1 도전판과 제 2 도전판 각각이 상하 방향으로 인접한 도전판의 정투상과 중첩되는 중첩부와 중첩되지 않는 비중첩부를 갖도록 제 1 도전판과 제 2 도전판이 엇갈리게끔 제 1 필름과 제 2 필름이 복수개 적층된 구조를 포함하는 용량성 적층체와, 인접한 용량성 적층체 사이에 개재되는 제 3 필름을 포함하여 구성되고 상기 필름들이 상호 접합되어 있는 성형체를 형성하는 단계;상기 성형체를 적층 방향을 따라 절단하여 상기 제 1 도전판의 비중첩부 단부가 제 1 면으로 노출되고 상기 제 2 도전판의 비중첩부 단부가 제 1 면과 반대되는 제 2 면으로 노출된 하나 이상의 절단체를 형성하는 단계;상기 절단체를 구성하는 각각의 제 1 적층체 부분에 속하는 제 1 도전판의 비중첩부 단부들을 연결하는 복수개의 제 1 단자를 상기 제 1 면에 형성하고, 각각의 제 1 적층체 부분에 속하는 제 2 도전판의 비중첩부 단부들을 연결하는 복수개의 제 2 단자를 상기 제 2 면에 형성하여 단자 결합체를 형성하는 단계; 및복수개의 제 1 단자 및 그에 대응되는 제 2 단자를 포함하게끔 상기 단자 결합체를 적층 방향에 수직으로 절단하는 단계를 포함하는,피드스루 장치의 제조 방법.
- 제 15 항에 있어서,상기 성형체를 형성하는 단계는 상기 제 1 필름과 제 2 필름의 사이에 제 1 필름 및 제 2 필름 보다 낮은 용융점을 갖는 본딩 필름을 추가로 적층하는 단계를 포함하는,피드스루 장치의 제조 방법.
- 제 15 항에 있어서,상기 제 1 필름, 제 2 필름, 제 3 필름은 액정 폴리머 또는 폴리머 재질인,피드스루 장치의 제조 방법.
- 제 15 항에 있어서,상기 성형체를 형성하는 단계는,상기 용량성 적층체를 구성하는 필름들이 적층되고 또한 상호 접합된, 접합된 용량성 적층체를 형성하는 단계; 및상기 접합된 용량성 적층체들 사이를 상기 제 3 필름이 접합하도록 하여 성형체를 형성하는 단계를 포함하는,피드스루 장치의 제조 방법.
- 제 18 항에 있어서,상기 제 3 필름은 상기 접합된 용량성 적층체들 사이에 유체 상태로 공급되어 굳어져서 접합된 용량성 적층체들 사이를 접합하는,피드스루 장치의 제조 방법.
- 제 15 항에 있어서,상기 성형체를 형성하는 단계는,상기 성형체를 구성하는 필름들을 상호 접합되지 않은 상태로 적층하는 단계; 및적층된 필름들이 상호 접합되도록 하여 성형체를 형성하는 단계를 포함하는,피드스루 장치의 제조 방법.
- 제 15 항 내지 제 20 항 중 어느 한 항의 제조 방법에 의해 제조된,피드스루 장치.
- 하우징과 상기 하우징 내에 설치되는 제 21 항의 피드스루 장치를 포함하는,생체 이식형 기기.
- 제 22 항에 있어서,상기 하우징은 액정 폴리머 또는 폴리머 재질인,생체 이식형 기기.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17738680.2A EP3403691A4 (en) | 2016-01-13 | 2017-01-13 | IMPLEMENTING DEVICE |
| CN201780006679.7A CN108463267B (zh) | 2016-01-13 | 2017-01-13 | 馈通装置 |
| US16/069,654 US10894165B2 (en) | 2016-01-13 | 2017-01-13 | Feedthrough device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0004231 | 2016-01-13 | ||
| KR1020160004231A KR101740951B1 (ko) | 2016-01-13 | 2016-01-13 | 피드스루 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017123051A1 true WO2017123051A1 (ko) | 2017-07-20 |
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| PCT/KR2017/000480 Ceased WO2017123051A1 (ko) | 2016-01-13 | 2017-01-13 | 피드스루 장치 |
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| US (1) | US10894165B2 (ko) |
| EP (1) | EP3403691A4 (ko) |
| KR (1) | KR101740951B1 (ko) |
| CN (1) | CN108463267B (ko) |
| WO (1) | WO2017123051A1 (ko) |
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| US12428543B2 (en) | 2021-05-18 | 2025-09-30 | Ticona Llc | Connected medical device containing a liquid crystalline polymer composition having a low dielectric constant |
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- 2017-01-13 EP EP17738680.2A patent/EP3403691A4/en not_active Withdrawn
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| Publication number | Publication date |
|---|---|
| US20190022398A1 (en) | 2019-01-24 |
| KR101740951B1 (ko) | 2017-05-29 |
| EP3403691A4 (en) | 2020-01-15 |
| CN108463267A (zh) | 2018-08-28 |
| CN108463267B (zh) | 2022-04-01 |
| US10894165B2 (en) | 2021-01-19 |
| EP3403691A1 (en) | 2018-11-21 |
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