• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Medical electrode (1) having an electrode head (2) and an electrical lead (3) to the electrode head (2), the lead (3) comprising an electrically conductive shielding layer (4), a dielectric element (5) and an electrical conductor (6 ), wherein the feed line (3) has an elongate carrier element (7), on which at least a part of the electrically conductive shielding layer (4) is printed.
    公开号:AT510914A1
    申请号:T4/2011
    申请日:2011-01-03
    公开日:2012-07-15
    发明作者:
    申请人:Lang Leonh；
    IPC主号:
    专利说明:

    1
    The invention relates to a medical electrode having an electrode head and an electrical supply line to the electrode head, wherein the feed line has an electrically conductive shielding layer, a dielectric element and an electrical conductor and a method for producing such a medical electrode.
    Medical electrodes for introducing or discharging electrical currents into or from the human or animal body have been known for some time. There are also a variety of manufacturing methods in this field, and it has become increasingly important in recent years to produce small and light electrodes as possible. In the field of diagnostic electrodes, there is also an increasing desire to enable evaluation that is as unaffected as possible by electromagnetic radiation and other sources of interference. Shielded cables are used in addition to corresponding electrode designs. These protect the removed signal from interference by electromagnetic radiation and possibly also protect the patient.
    In order to produce the electrode head as simply and as thin as possible, with which the medical electrode is attached to the body, it is known from the prior art to apply at least individual layers in a printing process. For example, US 2010/0030167 A1 shows an electrode with electrically conductive rings and a further shielding layer as the second electrically conductive layer. This second electrically conductive layer can be printed on the electrode.
    Furthermore, it is known from DE 699 23 680 T2 that, in the case of an electrode, a barrier layer (in the chemical sense) is printed on a silver alloy ink over a conductive ink circuit.
    In addition, DE 40 91 800 C2 shows a biosigna electrode with a two-layer structure, electrically conductive, printed layer.
    In the technical field of supply to the electrode head round, shielded and unshielded cables are known in cross section. For a connection integrating the electrode head into the shielding, either the connections and associated plugs must be made relatively complicated, as shown in EP 1 569 551 B1, or the plug should additionally be designed as a shield overlapping the electrode head, which is 68714 22 / hn 2 makes this area difficult and inflexible and, moreover, is qualitatively inferior to a screen integrated in the electrode.
    The disadvantage is thus in principle that the production of a medical electrode with electrode head and integrated, unshielded and round cable lead always very cumbersome, complex and usually in several completely separate steps, which are based in part on manual assembly, is performed, which is why the manufacturing processes of such medical Electrodes are very inefficient.
    These difficulties - and thus the costs - increase in size when an electrode with a shielded electrode head and integrated shielded cable lead is to be manufactured, which is why such single-use products are hardly to be found on the market.
    The object of the present invention is therefore to provide a comparison with the prior art improved medical electrode. In particular, the previously known (shielded) supply cable should be easier to handle. In addition, the electrical connections between the electrode head and a medical evaluation or. Introduction unit less elaborately designed and can be produced more efficiently.
    This is achieved for a medical electrode with the features of the preamble of claim 1, characterized in that the feed line has an elongate carrier element, on which at least a part of the electrically conductive shielding layer is printed. The fact that at least part of the shield is printed, a much simpler production and a more tailored to the needs production of the medical electrode can be achieved.
    In order to achieve a particularly efficient and rapid production, it may be particularly preferred that the dielectric element and / or the electrical conductor are also printed.
    A variant embodiment may provide that the carrier element is designed as a metallized film, so that the carrier element already partially acts as a shield. On this metallized film, the electrical conductor is applied together with dielectric, preferably printed, and then only the printed part of the shield is printed and connects to the metallized film such that the electrical conductor together with the dielectric transversely to the longitudinal direction of the supply line on all sides of the (two-part ) Shielding is surrounded.
    According to a particularly preferred embodiment of the present invention, however, it may be provided that the electrically conductive shielding layer, the dielectric element and the electrical conductor are printed, wherein preferably the shielding layer at least partially directly on the support member and the dielectric member and the electrical conductor indirectly on the Carrier element are printed. This means that the dielectric element and the electrical conductor do not directly contact the actual carrier but are printed one on top of the other in layers.
    A lead in the form of an at least partially printed "cable". can be improved by the lead has an upper and lower dielectric member surrounding the electrical conductor transverse to the longitudinal axis of the feed line. In order to achieve an all-round shielded and secure lead, it is particularly preferred that the lead has an upper and a lower printed shielding layer, the upper and lower printed electrical shielding layers surrounding the upper and lower printed dielectric members transversely to the longitudinal axis of the lead.
    The advantages of pressing at least individual layers can not only be used for the supply line, but it is also preferably provided that the electrode head has an electrical conductive signal-emitting or receiving layer which is connected to the electrical conductor of the supply line, a dielectric element, which is connected to the dielectric element of the supply line and a shielding layer which is connected to the shielding layer of the supply line, wherein at least the electrically conductive signal output or. receiving layer of the electrode head, the dielectric layer of the electrode head and / or the shielding layer of the electrode head is printed. It is also possible to print at least two or all three of these components of the electrode head. For a particularly simple production can be provided in this regard, that the electrode head has an electrically non-conductive support member, wherein the shielding of the electrode head is printed directly on the support member of the electrode head.
    In principle, it should not be ruled out that the carrier element forms the dielectric element, preferably the lower dielectric element. Thus, no actual carrier element is necessary, but the necessary layers are simply printed directly or indirectly on a dielectric element acting as a carrier element.
    In order to increase the comfort for the patient, to achieve a better protection against environmental influences and to guarantee a longer durability, it can preferably be provided that a, preferably made of plastic, protective layer at least partially surrounds the electrical supply line. This protective layer or covering layer preferably completely encloses the other parts of the supply line transversely to the longitudinal axis of the supply line. For a safe and simple tapping or introduction of electric current may preferably be provided that at the end remote from the electrode head a connector plug is attached or attached, via which the medical electrode with a medical evaluation and / or signal input unit is connectable. Due to the design of the lead with partially printed elements a particularly simple connectability to a connector is possible.
    In principle, it is possible that only individual areas or individual parts of the feed line and the electrode head are printed, but it is particularly preferred that the entire shielding, the entire dielectric element and / or the entire electrical conductor between the electrode head and connector is printed /are. That is, the shield, dielectric and electrical conductors of both the electrode head and the lead can be fabricated in a rapid, few-step printing process.
    Protection is therefore also desired for a method having the features of claim 14. These steps are preferably carried out in the order indicated in the claim. In order to be able to produce an all-round secure supply line, as further steps the printing of an upper, dielectric element including the electrical conductor on the lower, dielectric element at least in the region of the supply line, wherein with the printing the upper and lower dielectric element at least partially cohesively and printing an upper dielectric shielding layer including the upper and lower dielectric members on the lower shielding layer at least in the region of the lead, the upper and lower shielding layers being at least partially bonded together with the printing. 5
    Such a production method for producing a multiple electrode having at least two separate signal output or receiving layers is particularly well suited, wherein at least two separate shielding layers, at least two separate dielectric elements and at least two separate electrical conductors are printed on a common carrier element. Of course, this carrier element can also be partially cut or cut after printing, so that greater accessibility with the supply line is provided.
    Further details and advantages of the present invention will be explained in more detail below with reference to the description of the figures with reference to the exemplary embodiments illustrated in the drawings. Show:
    Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7 and 8 is a schematic view of a medical electrode with the sections AA and BB, a cross section through a supply cable according to the prior art, a cross section through An embodiment of a supply line according to the invention, a cross section through an alternative embodiment of a supply line, schematically a printing device, a plan view of a printed carrier element and schematic views of multiple electrodes.
    Fig. 1 shows a medical electrode 1, which has an electrode head 2, a feed line 3 and a connector 13 (with in this case protruding terminals 16). According to Fig. 1, the support member 7 of the lead 3 and the support member 11 of the electrode head 2 is integrally formed, whereupon the shield layer 4 and 10 is printed as the next layer. Subsequently, the dielectric element 5 or 9 and then the electrical conductor 6 or the signal output layer 8 are printed thereon.
    In section A-A is shown a schematic cross-section in the region of the lead 3, wherein on the support member 7, first, the lower shielding layer 4b and the lower dielectric member 5b is printed. Above the then applied electrical conductor 6, the upper dielectric element 5a and the upper shielding layer 4a is printed. • I * * * * »4« «* ···· * *« * ♦ * * * * * * * ft · · «· I I t **« ·· * «6
    In section B-B are shown schematically in cross-section, the essential components of the electrode head 2, wherein on the support member 11, the shielding layer 10, the dielectric member 9 and the signal output or -aufnahmeschicht 8 is printed. In the lateral area these printed layers are limited for example by a foam 17. As is known per se, a gel 18 can be applied to the electrode head 2 for a better current discharge or introduction.
    Basically, it should be noted that in the drawings, the boundary between the electrode head 2 and 3 supply line is only hinted at. Described in words, this limit is where the electrical conductor 6 is no longer covered by the upper dielectric member 5a or the upper shielding layer 4a, and thus can function as the signal output layer 8 without this protection.
    FIG. 2 basically shows a section through a round, shielded cable 23 already used with medical electrodes, with an electrical conductor 6, a dielectric 5, a shield 4 and optionally a protective cover 12.
    Since, in addition to handling, above all, the production of such a known shielded cable 23 is relatively poor and disadvantageous, it is provided according to the invention that the supply line 3 has an elongate carrier element 7 onto which at least a part of the electrically conductive shielding layer 4 is printed. A particularly preferred embodiment in this respect is apparent from FIG. 3. In this case, the lower shielding layer 4b and above the dielectric element 5b is printed on the carrier element 7. After the printing of the electrical conductor 6, this is overprinted by the upper dielectric element 5a, whereby the electrical conductor 6 is completely enclosed transversely to the longitudinal axis L by the electrical element 5, since the elements 5a and 5b connect at least partially cohesively. The same applies to the shielding layers 4a and 4b, which in turn enclose the dielectric element 5 on all sides transversely to the longitudinal axis L. Furthermore, according to the dashed line, a protective cover 12 can be applied, for example, by means of a paint spray. It should also not be excluded that the carrier element 7 and the lower shielding layer 4b are formed in the form of a one-piece, metallized film. The advantage lies in the fact that only the upper shielding layer 4a has to be printed.
    4 shows an alternative embodiment of the present invention in which no separate carrier element 7 is provided, but rather the lower dielectric element 5b is designed as a carrier element 7.
    In principle, it should not be ruled out in all variants that at least individual layers (4b, 5a, 5b and 6) are not applied by the printing process, but are e.g. also be incorporated as individual films in the manufacturing process between the other layers (e.g., in the form of an adhesive film or in the form of a wire).
    FIG. 5 schematically shows a printing apparatus 14 with which at least individual layers of the medical electrode 1 can be printed. In principle, it should not be ruled out that the printing takes place in an inline process or else by inkjet printing. Preferably, however, the screen printing method is provided, in which a sheet up to several square meters, preferably in the form of a plastic carrier element 7, is inserted into the printing device 14. Subsequently, the respectively desired basic components 20a and 20b are applied to the carrier element 7 or to previously sprayed further layers 4, 5 or 6 via a movable screen-printing element 21 and via the printer nozzles 19. Of course, the later desired shapes of the lead 3 and the electrode head 2 are already taken into account when printing, as the simplest variant, the lead 3 is printed as a straight, elongated element and the electrode head 2 as a relatively compact element.
    Alternatively, in Fig. 6 is a plan view of a support member 7 is shown after printing, wherein in the upper part a relatively long feed cable 3 is printed with the layers 4, 5 and 6, wherein after drying of the pressure components by means of a corresponding, by the scissors shown blank 22, a relatively long supply cable can be created. In a similar manner, a spiral pressure and blank - as shown in the lower part of FIG. 6 - lead to a relatively long feed cable 3. In principle, however, it is preferably provided that the supply cable 3 is relatively straight and has a length between 30 and 150 cm, preferably between 50 and 100 cm.
    In FIGS. 7 and 8, multiple electrodes 15 are shown in which a plurality of mutually separate layers 4, 5 and 6 or 8, 9 and 10 are applied to a carrier element 7 or 11,
    As support element 7 or 11, a plastic which is only very slightly extensible, such as, for example, polyester (in particular PET), is preferably used. But it is also possible to use as a carrier element 7 or 11, a metallized film or even a polystyrene film.
    As a shielding layer 4 or 10 can be used in the printing process carbon inks or metal inks (for example, copper or silver ink). These can be printed consistently (full-surface) or grid-shaped.
    As the dielectric element 5 or 9 can be used in the printing process any coatings that are non-conductive and non-porous.
    The electrical conductor 6 is preferably produced as a silver conductor, preferably printed. The signal-receiving layer 8 may be applied in the form of a silver chloride layer. Tin and tin chloride can also be used in principle.
    It should also be noted that in almost all printing components 20a and 20b diverse additives such as coating elements, binding elements, release elements, etc. are present in order to guarantee a smooth printing process and to produce well adhering functional layers can.
    Thus, in brief, the invention is based on the replacement (shielded) supply cable through a printed shielded supply line, which ideally together in a production process with the electrode head (sensor area) are generated (= printed) together. This brings particular advantages in terms of subsequent assembly. In particular, the very complex installation of the shielding for connection to the device integrating plug, which is required for shielded round cables, but also the hypothetical mounting of such a cable to an electrode in the sense that again a shielding element of the electrode with the shield of the Cable should be electrically connected, are radically simplified by the present invention.
    Innsbruck, on December 30, 2010
    权利要求:
    Claims (16)
    [1]
    »* ······ * ·» »······ · · * ♦ * · *« < 1 medical electrode (1) having a Eiektrodenkopf (2) and an electrical supply line (3) to the electrode head (2), wherein the feed line (3) an electrically conductive shielding (4), a dielectric element (5) and an electrical conductor (6), characterized in that the supply line (3) has an elongate support element (7) on which at least a part of the electrically conductive shielding layer (4) is printed ,
    [2]
    2. Medical electrode according to claim 1, characterized in that the carrier element (7) is electrically non-conductive.
    [3]
    3. Medical electrode according to claim 1 or 2, characterized in that the dielectric element (5) and / or the electrical conductor (6) are printed.
    [4]
    4. Medical electrode according to one of claims 1 to 3, characterized in that the shielding layer (4) at least partially directly to the carrier element (7) and the dielectric element (5) and the electrical conductor (6) indirectly on the carrier element (7 ) are printed.
    [5]
    5. Medical electrode according to one of claims 1 to 4, characterized in that the at least partially printed shielding layer (4) surrounds the dielectric element (5) and the electrical conductor (6) transversely to the longitudinal axis (L) of the feed line (3) on all sides ,
    [6]
    6. Medical electrode according to one of claims 1 to 5, characterized in that the feed line (3) has an upper (4a) and a lower (4b) printed electrical shielding layer, wherein the upper (4a) and lower (4b) printed electrical Shielding the dielectric element (5) transversely to the longitudinal axis (L) of the supply line (3) surrounds all sides.
    [7]
    7. Medical electrode according to one of claims 1 to 6, characterized in that the supply line (3) has an upper (5a) and lower (5b) dielectric element, the electrical conductor (6) transversely to the longitudinal axis (L) of the supply line (3) surrounds all sides. 68714 22 / eh * * I ··················································································································································································································· «4 * · · * 2
    [8]
    8. Medical electrode according to one of claims 1 to 7, characterized in that the electrode head (2) - an electrically conductive signal output or -aufnahmeschicht (8) which is connected to the electrical conductor (6) of the feed line (3) - a dielectric element (9) connected to the dielectric element (5) of the lead (3), and - a shielding layer (10) connected to the shielding layer (4) of the lead (3), wherein at least the electrically conductive signal-receiving layer (8) of the electrode head (2), the dielectric layer (9) of the electrode head (2) and / or the shielding layer (4) of the electrode head (2) is printed.
    [9]
    9. Medical electrode according to claim 8, characterized in that also the electrode head has an electrically non-conductive support element (11), wherein the shielding layer (10) of the electrode head (2) directly on the support element (11) of the electrode head (2) is printed.
    [10]
    10. Medical electrode according to one of claims 1 to 9, characterized in that the carrier element (7, 11) the dielectric element (5, 9), preferably the lower dielectric element (5b) forms.
    [11]
    11. Medical electrode according to one of claims 1 to 10, characterized in that a, preferably made of plastic, protective layer (12) at least partially surrounds the electrical supply line (3).
    [12]
    12. Medical electrode according to one of claims 1 to 11, characterized in that at the end facing away from the electrode head of the supply line (3) a connector (13) attachable or attached, via which the medical electrode (1) with a medical evaluation and / Signal input unit is / is connectable.
    [13]
    The medical electrode according to claim 12, characterized in that the entire shielding layer (4), the entire dielectric element (5) and the entire electrical conductor (6) between the electrode head (2) and connector (13) is printed.
    [14]
    14, a method for producing a medical electrode, in particular according to one of claims 1 to 13, with an electrode head (2) and an electrical supply line (3), characterized by the steps: - arranging a, preferably one-piece, carrier element (7, 11) for the electrode head (2) and the electrical supply line (3) in a printing device (14), - Printing a common electrically conductive shielding layer (4, 10) on the carrier element (7,11) in the region of the electrode head (2) and Lead (3), printing a common dielectric element (5, 9) on the printed, electrically conductive shielding layer (4, 10) in the region of the electrode head (2) and the lead (3), - printing an electrical conductor (6) on the dielectric element (5) in the region of the feed line (3) and a signal-emitting or receiving layer (8) in the region of the electrode head (2), wherein the electrical conductor (6) and the signal-emitting or receiving layer (8 ) electrical h be connected conductively.
    [15]
    15, The method of claim 14, characterized by the further steps of: - Printing an upper dielectric element (5a) including the electrical conductor (6) on the lower dielectric element (5b) at least in the region of the feed line (3) printing the upper (5a) and lower (5b) dielectric elements at least in regions, - printing an upper dielectric shielding layer (4a) including the upper (5a) and lower (5b) dielectric elements on the lower shielding layer ( 4b) at least in the region of the feed line (3), with the printing, the upper (4a) and lower (4b) shielding are connected at least partially cohesively.
    [16]
    16, A method according to claim 14 or 15, characterized in that for producing a multiple electrode (15) - at least two separate signal output or -aufnahmeschichten (8) - at least two separate shielding layers (4, 10), at least two separate dielectric elements (5, 9) and at least two separate electrical conductors (6) are printed on a common carrier element (7, 11). Innsbruck, on December 30, 2010
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    引用文献:
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    法律状态:
    2017-09-15| MM01| Lapse because of not paying annual fees|Effective date: 20170103 |
    优先权:
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