DE19801173C1 - Klemmverbinder für Filmelektroden - Google Patents
Klemmverbinder für FilmelektrodenInfo
- Publication number
- DE19801173C1 DE19801173C1 DE19801173A DE19801173A DE19801173C1 DE 19801173 C1 DE19801173 C1 DE 19801173C1 DE 19801173 A DE19801173 A DE 19801173A DE 19801173 A DE19801173 A DE 19801173A DE 19801173 C1 DE19801173 C1 DE 19801173C1
- Authority
- DE
- Germany
- Prior art keywords
- flap
- clamp connector
- bottom part
- connector according
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
- H01R11/24—End pieces terminating in a spring clip with gripping jaws, e.g. crocodile clip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/271—Arrangements of electrodes with cords, cables or leads, e.g. single leads or patient cord assemblies
- A61B5/273—Connection of cords, cables or leads to electrodes
- A61B5/274—Connection of cords, cables or leads to electrodes using snap or button fasteners
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/82—Coupling devices connected with low or zero insertion force
- H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
- H01R12/88—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting manually by rotating or pivoting connector housing parts
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Description
Die Erfindung betrifft einen Klemmverbinder zum Zuführen oder Ab
leiten elektrischer Signale an Filmelektroden, mit einem Bodenteil
und einer um eine Achse auf das Bodenteil schwenkbaren Klappe,
wobei das Anschlußteil der Filmelektrode zwischen dem Bodenteil
und der Klappe einklemmbar ist.
Ein solcher Klemmverbinder ist beispielsweise aus der WO 85/02500 A1
bekannt. Dieser Klemmverbinder besteht aus einem einteiligen
Kunststoffspritzteil. Bodenteil und Klappe sind an dem hinteren
Ende miteinander verbunden. Maulartig wird der Klemmverbinder ge
öffnet bzw. geschlossen. Der Klemmverbinder wird an das An
schlußteil der Filmelektrode angeklemmt. Hierzu wird das geöffnete
Maul über das Anschlußteil gestülpt und anschließend durch Druck
mit zwei Fingern auf die Klappe und das Bodenteil zusammenge
drückt. Das Anschlußteil ist dann fest eingeklemmt.
Nachteilig bei diesem Klemmverbinder ist, daß er zum Verschließen
von zwei Fingern oben und unten umgriffen werden muß. Der untere,
das Bodenteil umgreifende Finger befindet sich folglich beim An
klemmen an das Anschlußteil zwischen dem Klemmverbinder und der
Haut des Patienten. Die Filmelektrode bzw. deren Anschlußteil wird
folglich in einem Winkel zu ihr ergriffen. Einerseits wird dadurch
das Herstellen der Verbindung erschwert, andererseits besteht die
Gefahr, daß sich die Elektrode beim Anklemmen löst.
Aus der US 4,700,997 ist ein mit einem Schieber versehener Klemm
verbinder bekannt. In seiner hinteren Extremstellung gibt der
Schieber den Klemmverbinder frei, so daß das Anschlußstück der
Elektrode eingeschoben werden kann. Wird der Schieber dann in die
entgegengesetzte Richtung verlagert, erfolgt die Verklemmung im
Inneren des Klemmverbinders. Auch dieser Klemmverbinder muß mit
zwei Fingern von oben und unten umgriffen werden, so daß das zuvor
beschriebene Problem auch hier besteht.
Die US 3,842,394 offenbart einen Klemmverbinder für eine Filmelek
trode, bei dem die Öffnungs- und Schließbewegung der Klemmbacke
über einen verschwenkbaren Hebel einleitbar ist. Dieser Klemmver
binder ist aber recht umständlich zu handhaben und kompliziert
aufgebaut.
Von dieser Problemstellung ausgehend soll ein gattungsgemäßer
Klemmverbinder so verbessert werden, daß seine Handhabung verein
facht und bei seinem Anklemmen ein Lösen der Elektrode vermieden
wird.
Zur Problemlösung zeichnet sich der eingangs beschriebene Klemm
verbinder dadurch aus, daß die Öffnungs- und Schließbewegung der
Klappe über einen quer zur Einführrichtung des Anschlußteils im
Bodenteil bewegbar gelagerten mechanisch mit der Klappe gekoppel
ten Betätigungsschieber einleitbar ist.
Durch diese Ausgestaltung ist es möglich, den Klemmverbinder seit
lich zu erfassen. Das Bodenteil kann folglich auf der Haut des
Patienten aufliegen, wenn die Klemmverbindung hergestellt wird.
Der Klemmverbinder wird also geführt, wenn er das Anschlußstück
der Filmelektrode erfaßt. Ein Ablösen der Filmelektrode während
des Anschließens von der Haut des Patienten wird dadurch vermie
den.
Vorzugsweise ist der Betätigungsschieber mit einer schiefen Ebene
versehen, die auf einen mit der Klappe verbundenen Zapfen wirkt.
Diese schiefe Ebene kann insbesondere vorzugsweise durch eine
schräg verlaufende Nut im Betätigungsschieber ausgebildet sein.
Durch diese Ausbildung ist die Bewegung der Klappe nicht nur
zwangsgeführt, sondern da der Zapfen in die Nut eingreifen kann,
ist er gegen Herausfallen aus dem Bodenteil gesichert.
Wenn der Betätigungsschieber von einer Druckfeder belastet ist,
ist es möglich, die Öffnungsbewegung gegen die Kraft der Druckfe
der einleitbar zu gestalten. Dadurch wird die Herstellung der
elektrischen Verbindung vereinfacht. Durch Loslassen des Betäti
gungsschiebers schnappt die Klappe zu und klemmt die Filmelektrode
ein.
Vorteilhaft ist es, wenn das Bodenteil einen in Richtung der Klap
pe ragenden Dorn aufweist. Beim Zufallen der Klappe wird dieser
dann in die Elektrode hineingedrückt oder durchstößt sie, wodurch
sichergestellt wird, daß die Elektrode aus dem Klemmverbinder
nicht herausgezogen werden kann, ohne diesen zuvor zu öffnen.
Wenn das Bodenteil eine Bohrung und die Klappe eine scharfkantige
Vertiefung aufweist, die bei geschlossener Klappe zur Bohrung
fluchtet, dann kann das Anschlußteil auch verwendet werden, um die
elektrische Verbindung zu einer Elektrode mit druckknopfförmigem
Anschlußteil herzustellen. Dadurch steigt die Universalität des
Klemmverbinders. Bei geöffneter Klappe wird das Bodenteil über das
druckknopfförmige Anschlußteil gestülpt, so daß dieses ins Innere
des Klemmverbinders hineinragt. In der geöffneten Stellung liegt
die scharfkantige Vertiefung hinter dem Anschlußelement der Elek
trode. Beim Absenken der Klappe wandert dieses durch die bogenför
mige Lageveränderung weiter in Richtung nach vorn und hintergreift
das Anschlußelement, wenn sie anschließend zur Bohrung im Boden
teil fluchtet, so daß eine sichere Verbindung hergestellt wird.
Eine einfache ansprechende Form des Klemmverbinders ist möglich,
wenn das Bodenteil einen nach oben ragenden, die Längs- und hinte
ren Querseiten umrandenden Rahmen aufweist, in dem die Klappe ge
lagert ist. Die Klappe kann dann vorne mit entsprechenden Verbrei
terungen versehen sein, die mit dem Rahmen abschließen, so daß ein
geschlossener Körper gegeben ist.
Mit Hilfe einer Zeichnung sollen Ausführungsbeispiele der Erfin
dung nachfolgend näher erläutert werden. Es zeigt:
Fig. 1 - eine erste Ausführungsform eines Klemmverbinders in
perspektivischer Darstellung;
Fig. 2 - die Explosionsdarstellung des Klemmverbinders nach
Fig. 1;
Fig. 3 - die Ansicht auf den Klemmverbinder gemäß Sichtpfeil
III nach Fig. 2;
Fig. 4 - die Ansicht gemäß Sichtpfeil IV nach Fig. 3;
Fig. 5 - die Ansicht gemäß Sichtpfeil V nach Fig. 3;
Fig. 6 - ein weiteres Ausführungsbeispiel eines Klemmverbin
ders in Explosionsdarstellung.
Der Klemmverbinder besteht aus dem Bodenteil 11, der hierin
schwenkbar gelagerten Klappe 6 und dem Betätigungsschieber 1. Die
Anschlußleitung 16, die mit dem Bodenteil 11 verbunden ist, ist
elektrisch mit der elektrisch leitenden Schicht 15, die im Inneren
des Bodenteils 11 vorgesehen ist, verbunden. Wie Fig. 1 zeigt,
wird der Klemmverbinder in Richtung des Pfeiles R auf das An
schlußteil 17 der hier nicht näher dargestellten Filmelektrode
aufgeschoben. Ein in Richtung der Klappe 6 heraufragender Dorn 14
sichert dabei das Herausrutschen des Anschlußteils 17 aus dem ge
schlossenen Klemmverbinder.
Das Bodenteil 11 ist rahmenförmig ausgebildet, wobei die beiden
parallel zur Pfeilrichtung R verlaufenden Seitenteile 10a, 10b
nicht mit dem vorderen Rand des Bodenteils 11 abschließen, sondern
dahinter zurückstehen. Die Klappe 6 ist so zugeschnitten, daß sie
in dem Rahmen 10 aufgenommen wird und mit ihrem vorderen Bereich
den von den Seitenteilen 10a, 10b freigelassenen Bereich vollflä
chig abdeckt. An ihrem hinteren Ende ist die Klappe 6 mit einem
mittigen Zapfen 7 versehen, der in die im Führungsteil 2 vorgese
henen Nut 4 des Betätigungsschiebers 1 eingreift. Zentral ist das
Führungsteil 2 mit einer Bohrung 3 versehen, in der sich mit ihrem
einen Ende eine Druckfeder 18 abstützt, die sich im Inneren des
Bodenteils 11 mit ihrem anderen Ende gegen das Seitenteil 10a ab
stützt (vgl. Fig. 3). Die Lagerung der Klappe 6 im Bodenteil 11
kann, wie beispielsweise Fig. 2 und 6 verdeutlichen, unter
schiedlich erfolgen. So können an der Klappe 6 im hinteren Bereich
nach außen ragende Zapfen 8 vorgesehen sein, die in Ausnehmungen
im Rahmen 10 eingeschnappt werden. Durch den in die Nut 4 im Füh
rungsteil 2 eingreifenden Zapfen 7 der Klappe 6 ist der Betäti
gungsschieber 1 gegen Herausfallen aus dem Bodenteil 11 gesichert.
Wird der Betätigungsschieber 1 in den Klemmverbinder hineinge
drückt, läuft der Zapfen 7 entlang der schiefen Ebene 4' zwangs
geführt nach unten, so daß die Klappe 6 nach oben geschwenkt wird.
Loslassen des Betätigungsschiebers 1 bewirkt, daß sich die Klappe
6 nach unten absenkt, da die Druckfeder 18 den Betätigungsschieber
1 nach außen drückt. Damit der Betätigungsschieber 1 einfach er
griffen werden kann, ist an ihm ein Griffteil 5 mit einer Finger
mulde 5' vorgesehen.
Um den Klemmverbinder auch nutzen zu können, um Elektroden mit
knopfförmigem Anschlußteil anzuschließen, kann im Bodenteil 11
optional eine Bohrung 12 vorgesehen sein, die im Durchmesser etwas
größer ist als das knopfförmige Anschlußelement. In der Klappe 6
ist eine scharfkantige Vertiefung 19 vorgesehen, die bei geschlos
sener Klappe 6 zur Bohrung 12 fluchtet, bzw. wenn sie kreisrund
ist, konzentrisch zur Bohrung 12 verläuft. Bei nach oben ge
schwenkter Klappe 6 liegt diese Vertiefung 19 zur Bohrung 12 ver
setzt. Der Klemmverbinder wird mit seiner Bohrung 12 über das
Elektroden-Anschlußteil gestülpt und beim Schließen der Klappe 6
greift die Vertiefung 19 hinter das Anschlußelement und sichert
den Klemmverbinder somit gegen Herabfallen von der Elektrode. Der
Klemmverbinder ist vorzugsweise als Kunststoffspritzteil ausgebil
det. Die elektrische Leitfähigkeit wird dann durch entsprechende
Ausgestaltung der leitenden Schicht 15 im Bodenteil 11 realisiert.
1
Betätigungsschieber
2
Führungsteil
3
Bohrung
4
Nut
4
'schiefe Ebene
5
Griffteil
5
'Fingermulde
6
Klappe
7
Zapfen
8
Achse
9
Ausnehmung/Lager
10
Rahmen
10
aSeitenteil
10
bSeitenteil
11
Bodenteil
12
Bohrung
14
Dorn
15
leitende Schicht
16
Leitung/Anschlußleitung
17
Anschlußteil
18
Druckfeder
19
Vertiefung
Claims (8)
1. Klemmverbinder zum Zuführen oder Ableiten elektrischer Signa
le an Filmelektroden, mit einem Bodenteil (11) und einer um
eine Achse (8) auf das Bodenteil (11) schwenkbaren Klappe
(6), wobei das Anschlußteil (17) der Filmelektrode zwischen
dem Bodenteil (11) und der Klappe (6) einklemmbar ist, da
durch gekennzeichnet, daß die Öffnungs- und Schließbewegung
der Klappe (6) über einen quer zur Einführrichtung (R) des
Anschlußteils (17) im Bodenteil (11) bewegbar gelagerten,
mechanisch mit der Klappe (6) gekoppelten Betätigungsschieber
(1) einleitbar ist.
2. Klemmverbinder nach Anspruch 1, dadurch gekennzeichnet, daß
der Betätigungsschieber (1) eine schiefe Ebene (4') aufweist,
die auf einen mit der Klappe (6) verbundenen Zapfen (7)
wirkt.
3. Klemmverbinder nach Anspruch 2, dadurch gekennzeichnet, daß
die schiefe Ebene (4') durch eine schräg verlaufende Nut (4)
im Betätigungsschieber (1) ausgebildet wird.
4. Klemmverbinder nach Anspruch 1, dadurch gekennzeichnet, daß
der Betätigungsschieber (1) von einer Druckfeder (18) bela
stet ist.
5. Klemmverbinder nach Anspruch 4, dadurch gekennzeichnet, daß
die Öffnungsbewegung der Klappe (6) gegen die Kraft der
Druckfeder (18) einleitbar ist.
6. Klemmverbinder nach einem oder mehreren der vorstehenden An
sprüche, dadurch gekennzeichnet, daß das Bodenteil (11) einen
in Richtung der Klappe (6) ragenden Dorn (14) aufweist.
7. Klemmverbinder nach einem oder mehreren der vorstehenden An
sprüche, dadurch gekennzeichnet, daß das Bodenteil (11) eine
Bohrung (12) und die Klappe (6) eine scharfkantige Vertiefung
(19) aufweist, die bei geschlossener Klappe (6) zur Bohrung
(12) fluchtet.
8. Klemmverbinder nach einem oder mehreren der vorstehenden An
sprüche, dadurch gekennzeichnet, daß das Bodenteil (11) einen
nach oben ragenden, die Längs- und hinteren Querseiten umran
denden Rahmen (10) aufweist, in dem die Klappe (6) gelagert
ist.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19801173A DE19801173C1 (de) | 1998-01-15 | 1998-01-15 | Klemmverbinder für Filmelektroden |
PL99330809A PL330809A1 (en) | 1998-01-15 | 1999-01-13 | Clamping connector for connecting electric input or output signal conductors to foil electrodes |
HU9900095A HU9900095D0 (en) | 1998-01-15 | 1999-01-13 | Connecting clamp for thin-layer electrodes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19801173A DE19801173C1 (de) | 1998-01-15 | 1998-01-15 | Klemmverbinder für Filmelektroden |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19801173C1 true DE19801173C1 (de) | 1999-07-15 |
Family
ID=7854608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19801173A Expired - Fee Related DE19801173C1 (de) | 1998-01-15 | 1998-01-15 | Klemmverbinder für Filmelektroden |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE19801173C1 (de) |
HU (1) | HU9900095D0 (de) |
PL (1) | PL330809A1 (de) |
Cited By (218)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002099442A2 (en) * | 2001-06-01 | 2002-12-12 | Sherwood Services Ag | Return pad cable connector |
EP1315242A2 (de) * | 2001-11-27 | 2003-05-28 | KLA Tencor Corporation | Elektrische Verbindungsanordnung |
DE10225621B3 (de) * | 2002-06-07 | 2004-01-22 | Nicolay Verwaltungs-Gmbh | Vorrichtung zum elektrischen Verbinden einer Anschlußleitung mit einer Elektrode, insbesondere einer medizintechnischen Hautelektrode |
US6796828B2 (en) | 2001-06-01 | 2004-09-28 | Sherwood Services Ag | Return pad cable connector |
DE10317286B3 (de) * | 2003-04-09 | 2004-10-07 | Nicolay Verwaltungs-Gmbh | Vorrichtung zum elektrischen Verbinden einer Anschlußleitung mit einer Elektrode, insbesondere einer medizintechnischen Hautelektrode |
EP1526615A2 (de) * | 2001-06-01 | 2005-04-27 | Sherwood Services AG | Umlenkstück-Steckverbinder |
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US7938825B2 (en) | 2002-09-25 | 2011-05-10 | Covidien Ag | Multiple RF return pad contact detection system |
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Also Published As
Publication number | Publication date |
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PL330809A1 (en) | 1999-07-19 |
HU9900095D0 (en) | 1999-03-29 |
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