Lutz KOTHELutz KOTHE
Bodmaner Str, 17
D - 7760 Radolzell 14Bodmaner Str, 17
D - 7760 Radolzell 14
Zangengriff für medizinische GerätschaftenForceps handle for medical equipment
Die Erfindung betrifft einen Zangengriff für medizinische Gerätschaften, insbesondere für scherende, klemmende,schneidende chirurgische Instrumente od.dgl., bei dem zwei Zangenschenkel über ein Drehgelenk miteinander verbundensind und an jedem Zangenschenkel zumindest ein Ring für Finger einer Hand eines Benutzers vorgesehen ist.The invention relates to a forceps handle for medical devices, in particular for shearing, clamping, cutting surgical instruments or the like, in which two forceps legs are connected to one another via a swivel joint and at least one ring for fingers of a user's hand is provided on each forceps leg.
Derartige Instrumente sind in vielfältiger Form und Ausführung bekannt. Dabei werden chirurgische Scheren, Zangen,Klemmen usw. unterschieden, mit denen Eingriffe im menschlichen Körper durchgeführt werden. Diese Instrumentesind alle bezüglich des Zangengriffs gleich ausgeführt, wobei ein Ring für einen Finger einer menschlichen Hand inder gleichen Ebene wie ein Ring für den Daumen angeordnet ist.Such instruments are known in a wide variety of shapes and designs. A distinction is made between surgical scissors, forceps, clamps, etc., which are used to perform operations on the human body. These instruments are all designed in the same way in terms of the forceps grip, with a ring for a finger of a human hand arranged in the same plane as a ring for the thumb.
Bei den heute üblichen Operationsmethoden, wie beispielsweise bei einer operativen Endoskopie, wird in vielenFällen mit zwei derartigen chirurgischen Instrumenten gearbeitet, die durch entsprechende Trokare in denIn today's common surgical methods, such as surgical endoscopy, two such surgical instruments are used in many cases, which are inserted into the
menschlichen Körper eingeführt sind. Gleichzeitig ist durch einen Trokar ein Sehgerät für den Chirurgen eingesetzt, so daßder Chirurg im menschlichen Körper seine Tätigkeit beobachten kann. Bei der Bedienung von zwei chirurgischenInstrumenten gleichzeitig mit beiden Händen erweist sich der bekannte Zangengriff als ungenügend, da die Händewidernatürlich verdreht werden müssen.are inserted into the human body. At the same time, a trocar is used to provide a viewing device for the surgeon, so thatthe surgeon can observe his work in the human body. When operating two surgicalinstruments simultaneously with both hands, the familiar pincer grip proves to be insufficient, as the handshave to be twisted unnaturally.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde,The present invention is based on the object
einen Zangengriff der o.g. Art zu entwickeln, der dieseto develop a pincer grip of the above-mentioned type, which
Nachteile nicht aufweist und der insbesondere einer Ermüdung des Chirurgen vorbeugt.has no disadvantages and in particular prevents fatigue of the surgeon.
Zur Lösung dieser Aufgabe führt, daß eine Ebene des einen Ringes in einem Winkel zu einer Ebene des anderen Ringessteht.The solution to this problem is that a plane of one ring is at an angle to a plane of the other ring.
Bei diesem Zangengriff wird der natürlichen und ergonomischen Handstellung Rechnung getragen. Daumen und beispielsweiseZeigefinger einer menschlichen Hand verlaufen bei ihrer Bewegung, insbesondere bei einer Abwinkelung derHand, ebenfalls nicht in einer Ebene, so daß bei in einer Ebene angeordneten Ringen eine Verkrümmung eines der Fingernotwendig ist. Dies führt zu erheblichen Ermüdungserscheinungen und auch zu verschlechterten Arbeitsergebnissen.Wird jedoch die Ebene eines Ringes im Verhältnis zu der Ebene des anderen Ringes gedreht, so kann hierdurch dernatürlichen Bewegung zweier Finger zueinander Rechnung getragen werden. Ermüdungserscheinungen sind minimiert unddie aufgebrachte Hebelwirkung verbessert.This pincer grip takes the natural and ergonomic hand position into account. The thumb and, for example,index finger of a human hand do not move in the same plane when moving, especially when the hand is bent, so that when rings are arranged in the same plane, one of the fingers must be bent. This leads to considerable fatigue and also to poorer work results.However, if the plane of one ring is rotated in relation to the plane of the other ring, the natural movement of two fingers relative to each other can be taken into account. Fatigue is minimized and the leverage effect is improved.
In einem Ausführungsbeispiel der Erfindung ist vorgesehen, die Stellung des Ringes im Verhältnis zu dem anderen Ringfestzulegen, indem die Ringe jeweils ihren entsprechenden Zangenschenkeln angeformt sind. In einem anderen Ausführungsbeispielist es jedoch möglich, den Winkel veränderbar auszugestalten. D.h., daß je nach Abwinkelung der HandIn one embodiment of the invention, the position of the ring in relation to the other ring is determined by molding the rings onto their respective pliers legs. In another embodiment, however, it is possible to make the angle variable. This means that depending on the angle of the hand
bei einer Operationstätigkeit auch der Winkel zwischen den beiden Ringen verändert sein kann. Hierbei ist im wesentlichendaran gedacht, den Winkel des Daumenringes zu verändern. Vom vorliegenden Erfindungsgedanken soll jedochauch umfaßt sein, daß der Winkel des Griffringes für Zeigebzw. Mittelfinger veränderbar ist.during an operation, the angle between the two rings can also be changed. The idea here is essentially to change the angle of the thumb ring. However, the present inventive concept should also include the fact that the angle of the grip ring for the index or middle finger can be changed.
Eine einfache Veränderung ist möglich, wenn ein Ring mit einem entsprechenden Drehbolzen seinen Zangenschenkeldurchsetzt, wobei dem Drehbolzen dann andererseits ein Nietkopf angeformt ist. Der Nietkopf verhindert, daß derDrehbolzen aus einer entsprechenden Bohrung in dem Zangenschenkel herausfällt.A simple change is possible if a ring with a corresponding pivot pin passes through its pliers leg, with a rivet head then formed on the other side of the pivot pin. The rivet head prevents the pivot pin from falling out of a corresponding hole in the pliers leg.
Wie oben kurz angedeutet, bezieht sich die mit der vorliegendenErfindung beabsichtigte Veränderung des Zangengriffs vor allem auf den Daumenring, da dieser bei denherkömmlichen chirurgischen Instrumenten in der Regel unnatürlich gestellt ist. Da nun dieser Daumenring in derRegel auch senkrecht oder in einem Winkel zu seinem Zangenschenkel verläuft, ist es möglich, zum einen in diesenZangenschenkel unterhalb des Daumenringes eine Mulde einzuformen, in welche der Daumen wesentlich besser eingesetztwerden kann. Zum anderen soll aber auch diese Mulde oder der Eingriffbereich durch den Daumen durch einen Anschlagbegrenzt sein, der quasi als Nase auf dem entsprechenden Zangenschenkel aufgesetzt ist. Hierdurch wird dieHandhabung des gesamten Instrumentes wesentlich verbessert.As briefly indicated above, the change to the forceps handle intended by the present invention relates primarily to the thumb ring, as this is usually positioned unnaturally in conventional surgical instruments. As this thumb ring is usually perpendicular or at an angle to the forceps shank, it is possible to form a recess in this forceps shank below the thumb ring, into which the thumb can be inserted much better. On the other hand, this recess or the area in which the thumb can be engaged should also be limited by a stop, which is placed on the corresponding forceps shank as a kind of nose. This significantly improves the handling of the entire instrument.
Durch die vorliegende Erfindung wird eine einfache aber äußerst wirksame Lösung für ein bekanntes Problem erreicht,wobei vor allem Ermüdungserscheinungen wesentlich vermindert werden und eine Handhabung eines chirurgischenInstrumentes, sowohl was die Sicherheit der Handhabung als auch das Aufbringen von Zangen bzw. Scherkräftenanbelangt, verbessert wird.The present invention provides a simple but extremely effective solution to a known problem, whereby fatigue symptoms are significantly reduced and handling of a surgical instrument is improved, both in terms of the safety of handling and the application of forceps or shear forces.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugterAusführungsbeispiele sowie anhand der Zeichnung; diese zeigt inFurther advantages, features and details of the invention emerge from the following description of preferredembodiments and from the drawing; this shows in
QFig. 1 eine Draufsicht auf einen erfindungsgemäßen Zangen-^ griff;Q Fig. 1 is a plan view of a pliers handle according to the invention;
Figuren 2-5 Draufsichten auf weitere Ausführungsbeispie-Ievon Zangengriffen;Figures 2-5 Top views of further examples of pliers handles;
Fig. 6 eine um 90° gedrehte Draufsicht auf den Zangengriff gem. Fig. 5.Fig. 6 is a plan view of the pliers handle rotated by 90° as shown in Fig. 5.
Ein Zangengriff R weist gem. den Figuren 1-5 jeweils zwei Zangenschenkel 1 und 2 auf, welche über ein Drehgelenk 3miteinander verbunden sind. Einerseits des Drehgelenks 3 ist dem Zangenschenkel 1 ein Griffring 4 angeformt.Andererseits des Drehgelenks 3 ist eine Aufnahme 5 erkennbar, in welche beispielsweise ein Röhrchen gestecktwird, an dessen Ende sich ein Werkzeug wie beispielsweise eine Schere, Zange, Klammer od.dgl. befindet. Das Rohrbildet zusammen mit der Aufnahme 5 und dem Zangenschenkel 1 eine gedachte Ebene, in welcher auch der Griffring 4angeordnet ist.According to Figures 1-5, a pliers handle R has two pliers legs 1 and 2, which are connected to one another via a swivel joint 3. On one side of the swivel joint 3, a grip ring 4 is formed on the pliers leg 1. On the other side of the swivel joint 3, a receptacle 5 can be seen, into which, for example, a tube is inserted, at the end of which there is a tool such as scissors, pliers, clamp or the like. The tube, together with the receptacle 5 and the pliers leg 1, forms an imaginary plane in which the grip ring 4 is also arranged.
Auch dem Zangenschenkel 2 ist ein Daumenring 6 angeformt, der jedoch in einer gedachten Ebene verläuft, die in einemWinkel zur Ebene des Griffringes 4 steht. In dem Ausführungsbeispiel gem. Fig. 1 beträgt dieser Winkel in etwa90°. Ferner ist dort ein Daumen 7 in Gebrauchslage gezeigt. Dieser Daumen 7 trifft dabei auf einen Anschlag 8, wodurchdie Halterung des Zangenschenkels 2 verbessert wird.A thumb ring 6 is also formed on the pliers leg 2, but this runs in an imaginary plane that is at an angle to the plane of the handle ring 4. In the embodiment according to Fig. 1, this angle is approximately 90°. A thumb 7 is also shown there in the position of use. This thumb 7 hits a stop 8, which improves the holding of the pliers leg 2.
Andernends des Drehgelenks 3 ist an dem Zangenschenkel 2 ein Hebel 9 angedeutet, der beispielsweise mit einem weiterenRöhrchen, einem Seilzug oder einer Stange in Verbin-At the other end of the swivel joint 3, a lever 9 is indicated on the pliers leg 2, which can be connected, for example, to another tube, a cable or a rod.
dung steht, die in dem o.g. anderen Röhrchen verschiebbar gelagert ist. Hierdurch kann in bekannter Weise ein Scherenmaulod. dgl. betätigt werden.lation, which is slidably mounted in the other tube mentioned above. This can be used to operate a scissor jaw or similar in the known manner.
Das Ausführungsbeispiel eines Zangengriffs Rl gem. Fig. 2 unterscheidet sich von demjenigen nach Fig. 1 durch eineSchrägstellung des Daumenringes 6a gegenüber dem Griffring 4a. Hierdurch wird in vielen Anwendungsfällen der natürlichenLage des Daumens 7 gegenüber einem nicht näher gezeigten Zeigefinger oder Ringfinger in dem Griffring 4Rechnung getragen.The embodiment of a pliers grip Rl according to Fig. 2 differs from that according to Fig. 1 by aninclined position of the thumb ring 6a relative to the grip ring 4a. In many applications, this takes into account the naturalposition of the thumb 7 relative to an index finger or ring finger (not shown in detail) in the grip ring 4.
Ferner besitzt der Griffring 4a noch eine Griffanformung10, welche in Gebrauchslage von einem weiteren Finger angegriffen wird, wodurch die Handhabung des ZangengriffesRl verbessert wird.Furthermore, the grip ring 4a has a handle formation10, which is gripped by another finger in the position of use, thereby improving the handling of the pliers handleRl.
In dem Ausführungsbeispiel eines Zangengriffes R2 gem. Fig.3 besitzt der Zangenschenkel 2a nach dem Daumenring 6 noch eine verlängerte Auflage 11, wodurch ebenfalls dieHalterung und Handhabung dieses Zangengriffes R2 verbessert wird.In the embodiment of a pliers handle R2 according to Fig.3, the pliers leg 2a has an extended support 11 after the thumb ring 6, which also improves theholding and handling of this pliers handle R2.
Falls gewünscht, kann ein Daumenring 6b auch nicht fest mit dem Zangenschenkel 2b verbunden sein, wie dies bei einemAusführungsbeispiel eines Zangengriffes R3 in Fig. 4 gezeigt ist. Hierbei durchsetzt ein dem Daumenring 6bangeformter Drehbolzen 12 den Zangenschenkel 2b. Andernends des Daumenringes 6b ist diesem Drehbolzen 12 einNietkopf 13 angeformt, der ein Herausrutschen des Drehbolzens 12 aus einer Bohrung 14 in dem Zangenschenkel 2bverhindert.If desired, a thumb ring 6b can also not be firmly connected to the pliers leg 2b, as is shown in an embodiment of a pliers handle R3 in Fig. 4. In this case, a pivot pin 12 formed on the thumb ring 6b passes through the pliers leg 2b. At the other end of the thumb ring 6b, a rivet head 13 is formed on this pivot pin 12, which prevents the pivot pin 12 from slipping out of a hole 14 in the pliers leg 2b.
Ein Zangengriff R4 entsprechend Fig. 5 und 6 ist beispielsweise aus der EP 92 10 03 68.7 bekannt. Deshalb wirdauf eine nähere Beschreibung der Einzelteile verzichtet. Auch hier ist es allerdings möglich, den Daumenring 6A pliers handle R4 according to Fig. 5 and 6 is known, for example, from EP 92 10 03 68.7. Therefore, a more detailed description of the individual parts is omitted. Here too, however, it is possible to use the thumb ring 6
entsprechend Fig. 1, 2 oder 4 dem entsprechenden Zangenschenkel 2 anzuforraen. Ferner ist erkennbar, daß inden Zangenschenkel 2 noch eine Griffraulde 15 eingeformtist, die der Aufnahme des Daumen und seiner besseren Lagerung und Halterung dient.according to Fig. 1, 2 or 4 to the corresponding pliers leg 2. It can also be seen that a gripping groove 15 is formed in the pliers leg 2, which serves to accommodate the thumb and to better support and hold it.
In Fig. 6 ist gut erkennbar, wie eine strichpunktiert angedeutete Ebene El des Daumenringes 6 in einem Winkel wzu einer Ebene E2 des Griffringes 4 verläuft.In Fig. 6 it is clearly visible how a plane El of the thumb ring 6, indicated by a dash-dot line, runs at an angle wto a plane E2 of the handle ring 4.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9210327UDE9210327U1 (en) | 1992-07-16 | 1992-07-16 | Forceps handle for medical equipment |
| DE19934322602DE4322602A1 (en) | 1992-07-16 | 1993-07-07 | Tong grip for surgical instruments - has two rings, one for thumb and other for finger, with one ring plane at angle to plane of other ring, angle being adjustable |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4223401 | 1992-07-16 | ||
| DE9210327UDE9210327U1 (en) | 1992-07-16 | 1992-07-16 | Forceps handle for medical equipment |
| Publication Number | Publication Date |
|---|---|
| DE9210327U1true DE9210327U1 (en) | 1992-11-26 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9210327UExpired - LifetimeDE9210327U1 (en) | 1992-07-16 | 1992-07-16 | Forceps handle for medical equipment |
| Country | Link |
|---|---|
| DE (1) | DE9210327U1 (en) |
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