DE102009018107A1 - Electrosurgical device - Google Patents

Abstract

The present invention addresses the problem that arises when a plurality of RF instruments are operated on an RF generator. It is often difficult for the treating physician to determine which of the RF instruments is affected by a setting made on the HF generator. The present invention solves this problem by providing an electrosurgical device comprising a plurality of electrosurgical instruments, an RF generator assembly connected to the instruments for providing an RF voltage, a plurality of second display devices attached to the RF generator assembly are arranged, wherein the first and second display devices are designed to deliver corresponding signals, so that in each case a second display device, a specific instrument can be assigned.

Description

The The invention relates to an electrosurgical device according to the Claim 1.

Electrosurgical Instruments have been used in high frequency surgery for many years (HF surgery) used to coagulate biological tissue or to cut too. Coagulation becomes a high-frequency Stream passed through the tissue to be treated, so that this altered due to protein coagulation and dehydration. The tissue contracts in such a way that the vessels closed and bleeding are breastfed. After successful coagulation the tissue is complete while avoiding heavy bleeding severable, both with the help of high-frequency electricity, as well by mechanical means.

Electrosurgical Transactions are with monopolar and bipolar instruments feasible. In the monopolar technique leads the current path usually from the electrosurgical instrument over the tissue to be treated to a neutral electrode. alternative bipolar instruments can be used with two are formed from each other electrically insulated sections. The current path in this case runs from a first section of the electrosurgical instrument over the treatment to be treated Tissue to a second section of the electrosurgical instrument.

For the successful execution of an operation by means of a Electrosurgical instrument is a high level of user-friendliness important. The electrosurgical instrument should be intuitive be operated and all necessary information should be easily accessible. This information includes in particular Status information provided by, for example, an RF generator become.

Especially problematic is the fact that often several electrosurgical Instruments are connected to an RF generator. In these Cases must be made a selection of which Instruments with an RF voltage to be supplied. An assignment the outputs of the RF generator into a concrete instrument, be it a bipolar clamp or a monopolar hook electrode, This is often difficult.

Out the prior art are various electrosurgical instruments known.

The DE 36 27 221 A1 shows, for example, a handle for an electrosurgical instrument having a power control and an optical power indicator. This power indicator on the handle indicates information about the power delivered, such as the presence of high or low voltage.

From the DE 40 12 545 A1 is a handle for an electrosurgical instrument is known, which is characterized in that at the electrode-side end of the handle, a light exit opening is provided which is fed by a cold light generator located in the RF generator. The light source serves to illuminate the surgical field better.

The DE 199 43 792 A1 discloses an electrosurgical instrument in which the handle disposed thereon comprises a display device that allows to read operation-specific information, for example the operating mode of the electrosurgical instrument.

The previously described instruments are very complex.

outgoing from this prior art, it is an object of the present invention safe operation of a variety of instruments, the a HF generator are connected to ensure.

These Object is achieved by an electrosurgical Device solved according to claim 1.

• – eine Vielzahl von elektrochirurgischen Instrumenten, mit jeweils einer ersten Anzeigevorrichtung,
• – eine HF-Generatoranordnung, die mit den Instrumenten zur Bereitstellung einer HF-Spannung verbunden ist,
• – eine Vielzahl von zweiten Anzeigevorrichtungen, die am HF-Generator angeordnet sind, gelöst, wobei die ersten Anzeigevorrichtungen und zweiten Anzeigevorrichtungen zur Abgabe von korrespondierenden Signalen ausgebildet sind, so dass jeweils einer zweiten Anzeigevorrichtung ein bestimmtes Instrument zugeordnet werden kann.

In particular, the object is achieved by an electrosurgical device comprising:

• A plurality of electrosurgical instruments, each having a first display device,
• An RF generator arrangement connected to the instruments for providing an RF voltage,
• A plurality of second display devices arranged on the HF generator are released, wherein the first display devices and second display devices are designed to deliver corresponding signals, so that in each case a second display device can be assigned to a specific instrument.

The RF generator assembly is thus adapted to a variety of electrosurgical instruments with a corresponding RF voltage to supply. Of the connected instruments at least includes one of a first display device, which identifies the corresponding instrument.

The RF generator arrangement has second display devices for displaying information, wherein the second display devices are so controlled and configured that it is easy to detect to which of the instruments the information of a particular second display device relates. It is conceivable that a second display device outputs information for a plurality of instruments. For example, it is possible to switch between different display modes, with one display in each case belonging to a specific connected instrument. In this case, it is conceivable to change the background color of the second display device in accordance with a color signal associated with the associated instrument. Preferably, every second display device is assigned to a specific instrument.

The first and / or second display devices can for Delivered a colored light signal. For example For example, a second display device for dispensing one with one of formed first display device corresponding color signal be. So it is possible to work on a particular instrument by means of the display device attached there a specific Output color signal. Thus, the leaves on the second Display device easily displayed information Assign instrument. Allow such colored markings a quick and easy processing of the information provided.

The electrosurgical device according to the invention may be a control unit for controlling the RF generator assembly in at least two different operating modes, wherein the control unit with the first and / or second display devices is in communicative connection to a set operating mode display. The control unit can therefore be the RF generator arrangement such that control multiple modes of operation, such as a mode for coagulating and a tissue cutting mode becomes. Other modes for different tissue types or different instruments are conceivable. The control unit can that is, the first display device arranged on the instrument use to status information, in particular the said operating mode display. Likewise, the second display devices used to provide status information of the RF generator arrangement and / or to indicate to the controller that is immediately detectable can be assigned to a specific instrument. Preferably the second display devices give detailed information (frequency, Voltage, treatment time, etc.) and the first display devices an activation state.

The communicative connection can consist of at least one electrical Data transmission line, for example a data bus or a simple two-wire cable.

alternative or additionally, the communicative connection may be at least an optical signal transmission line, in particular a Fiber optic cable, include. If one waives an additional one Circuit for the instrument located on the display device, this eliminates a costly hedge this Display circuit with respect to the RF circuit. Furthermore may possibly be on a separate processing device within dispensed with the electrosurgical instrument. An optical Signal transmission line can be a variety of different transmitted optical signals. Thus, very much different signals are provided without further Lines must be arranged on the instrument.

The electrosurgical device can have at least one activation switch, in particular a footswitch for activating the HF generator arrangement include. Especially with external activation switches it is problematic to identify the instrument controlled by the switch. By the first display device according to the invention on the instruments a faulty operation can be avoided.

Preferably the first display device is an integral part of the at least one instrument. In particular, it should not to be a multicomponent system in which the instrument in an adapter is used with the first display device.

The Display device can at least one LED, in particular for the generation of the color signal. Preferably, the LEDs around cold light sources.

following The invention is based on some embodiments described by means of illustrations become. Hereby show:

1 a schematic representation of a bipolar electrosurgical instrument;

2 the main components of an electrosurgical device comprising two electrosurgical instruments according to 1 an RF generator arrangement, a control unit and a plurality of displays for displaying information related to the instruments;

3 integral display devices on instruments, wherein the display devices via an optical signal line to the control unit are bound; and

4 integral display devices on instruments, wherein the display devices are connected via a data line to the control unit.

In The following description will be for the same and the same acting parts the same reference numerals used.

1 shows an electrosurgical instrument 10 that comes from a handle 12 and a bipolar instrument head 14 composed. The handle 12 has an elongated shape, wherein at the distal end of the bipolar instrument head 14 to carry out an operative intervention. The instrument head 14 has a first electrode 16 and a second electrode 16 ' where tension can be applied to coagulate or cut tissue. The electrosurgical instrument 10 further points at the distal end of the handle 12 a display device 50 on, which is adapted to deliver a color signal.

• – Eine Steuereinheit 40;
• – Einen HF-Generator 20;
• – Fußschalter 30, 30';
• – Eine Vielzahl von Displays 60, 60', 60'';
• – Eine Vielzahl von elektrochirurgischen Instrumenten 10, 10'.

An electrosurgical device according to the invention 1 preferably comprises the following components (cf. 2 ):

• - A control unit 40 ;
• - An RF generator 20 ;
• - Footswitch 30 . 30 ';
• - A variety of displays 60 . 60 ' . 60 '';
• - A variety of electrosurgical instruments 10 . 10 ' ,

To the electrosurgical instruments 10 . 10 ' The system has the control unit with a suitable voltage and / or a suitable frequency pattern for the respective operation 40 that way on the rf generator 20 causes it to provide a corresponding output. The electrosurgical instruments 10 . 10 ' are via rf lines with the rf generator 20 connected. To look at the behavior of the control unit 40 to be able to act, has the electrosurgical device 1 via input devices, in particular footswitch 30 . 30 ' or as in the 3 and 4 shown via first and second handset 35 . 35 ' , Using the footswitch 30 . 31 ' can be an application of RF voltage through a particular instrument 10 . 10 ' to be started. For example, a particular instrument 10 . 10 ' on actuation of one of the foot switches 30 . 30 ' deliver an RF current to the tissue to perform a coagulation process. Alternatively, by the footswitch 30 . 30 ' one of the instruments 10 . 10 ' be placed in an activation state, so that it automatically emits a corresponding RF current when contacting the tissue. The footswitch 30 . 30 ' can also serve from a variety to the RF generator 20 connected instruments 10 . 10 ' select one or more, which is then supplied by means of a corresponding RF voltage. Furthermore, the footswitches 30 . 30 ' ensure the selection of a particular operating mode from a variety of operating modes (eg, coagulation mode, cutting mode).

The displays 60 . 60 ' . 60 '' Among other things, it serves to provide information that relates to a particular instrument 10 . 10 ' refer to. For example, the operating mode, an activation state or the applied power can be displayed here.

According to the invention also have the instruments 10 . 10 ' via display devices 50 . 50 ' (see. 1 ), which also contains information regarding the associated instrument 10 . 10 ' output. In one embodiment, this is a light signal indicating whether the corresponding instrument 10 . 10 ' to the HF generator 20 connected. This light signal corresponds to a display of one of the displays 60 . 60 ' . 60 '' so that the user is easily able to select a particular electrosurgical instrument 10 . 10 ' a specific display 60 . 60 ' . 60 '' assigned. For example, the display 60 only display information that relates to the electrosurgical instrument 10 Respectively. To signal this affiliation simply and comprehensibly corresponds to the color of the display 60 essentially the signal coming from the display device 50 of the instrument 10 is delivered. Accordingly, the color of the display corresponds 60 ' with a signal coming from another display device 50 ' the further electrosurgical instrument 10 ' is delivered.

Such an association is particularly advantageous when using the footswitch 30 . 30 ' or handset 35 . 35 ' Changes to the mode of operation of the corresponding electrosurgical instrument 10 . 10 ' be made. The doctor can quickly and easily check whether the settings made the desired instrument 10 . 10 ' affect.

The 3 and 4 show examples of a communicative connection between the control unit 40 and the display devices 50 . 50 ' , In 3 are the electrosurgical instruments 10 . 10 ' to the control unit 40 connected via an optical signal line. In 4 is used for communication between the control unit 40 and the display devices 50 . 50 ' the electrosurgical instruments 10 . 10 ' a data bus is provided.

In detail, the shows 3 a part of the control unit 40 passing through fiber optic cables 45 . 45 ' with the instruments 10 . 10 ' connected is. Preferably, the control unit 40 For this purpose, connections, each with a fiber optic cable 45 . 45 ' and corresponding RF lines 41 . 41 ' for an electrosurgical instrument 10 . 10 ' in a plug. Thus, it can be ensured that a certain communication line, for. B. the fiber optic cable 45 , to a specific RF line 41 belongs. A suitably trained connector mechanically ensures that the control unit 40 issued information regarding a particular instrument 10 . 10 ' the right instrument 10 . 10 ' due to the properly connected display device 50 . 50 ' be assigned correctly.

The control unit 40 has the first and a second handset 35 . 35 ' on, 'being the first hand switch 35 this is the first RF instrument 10 to activate. The second handset 35 ' activates the second electrosurgical instrument 10 ' , The control unit 40 further includes a first light emitting diode 54 which produces a specific light signal for the first electrosurgical instrument 10 provides. This light signal of the first light emitting diode 54 is over the fiber optic cable 45 to the first display device 50 transported and spent there. Thus, the control unit through the first light emitting diode 54 the output of the first display device 50 Taxes.

Accordingly, the control unit 40 a second light emitting diode 54 ' which produces a different light signal through the fiber optic cable 45 ' to the second electrosurgical instrument 10 ' More precisely, the second display device arranged there 50 ' , is transported. The output of this light signal takes place on the second electrosurgical instrument 10 ' , The according to 3 described embodiment allows a very simple and efficient identification of the electrosurgical instruments 10 . 10 ' ,

In the embodiment according to 4 has the control unit 40 also hand switch 35 . 35 ' on, which make it possible for a particular instrument 10 . 10 ' to activate or fit this particular operating mode. For each of the instruments 10 . 10 ' is a data bus 43 . 43 ' comprising a two-wire cable, provided, the control signals of the control unit 40 for the first display device 50 or the second display device 50 ' transport. The first display device 50 includes a first light emitting diode 54 , which emits a light signal when appropriately controlled. The control unit 40 can the light emitting diode 54 So control so that to a particular display 60 . 60 ' . 60 '' corresponding light signals from the first instrument 10 be delivered.

The second display device 50 ' of the second instrument 10 ' includes two LEDs 54 ' . 54 '' , These can also be from the control unit 40 over the second data bus 43 . 43 ' be driven to specific, for the second electrosurgical instrument 10 ' to output distinctive light signals. By providing several light emitting diodes 54 ' . 54 '' in a display device 50 . 50 ' can produce different signals on one instrument 10 . 10 ' be issued to either provide an appropriate label for the corresponding instrument or to transport more information. The light signals of the display devices 50 . 50 ' are chosen so that they display with one of the displays 60 . 60 ' . 60 '' correspond. Thus, any connected instrument can be 10 . 10 ' a specific display 60 . 60 ' . 60 '' assign.

In the foregoing, exemplary embodiments have been described in which the display devices 50 . 50 ' the electrosurgical instruments 10 . 10 ' Output color signals representing the corresponding instrument 10 . 10 ' mark. These signals can also be used to convey status information, for example, some of the on the displays 60 . 60 ' . 60 '' displayed information by the display devices 50 . 50 ' being represented.

In the embodiments described above, chromatic light is used to form a particular display device 50 . 50 ' a specific display 60 . 60 ' . 60 '' assigned. It is conceivable to use a different signaling to ensure this assignment. For example, a keystroke change of the operating mode for the first instrument 10 that are on the first display 60 is displayed by a flashing of the first light emitting diode 54 be marked so that it is easily possible for the doctor to determine which instrument 10 . 10 ' this change concerns. Alternatively, the number of activated LEDs 54 . 54 ' . 54 '' on the instruments 10 . 10 ' to shed light on which instrument 10 . 10 ' to which display 60 . 60 ' . 60 '' belongs. So can the displays 60 . 60 ' . 60 '' via a number assigned to them, e.g. B. 1, 2, 3, wherein a display device 50 . 50 ' , with an activated LED 54 . 54 ' . 54 '' indicates that the appropriate instrument 10 . 10 ' to the display 60 . 60 ' . 60 '' heard with the number 1. Two or three activated LEDs 54 . 54 ' . 54 '' can be affiliated to the display 60 . 60 ' . 60 '' symbolize with the numbers 2 and 3 respectively.

In advance were displays 60 . 60 ' . 60 '' described, each separated from each other on the RF gene ator 20 are formed. It is conceivable, a correspondingly sized display 60 . 60 ' . 60 '' to use the function of this variety of displays 60 . 60 ' . 60 '' to take over. The individual areas of this display 60 . 60 ' . 60 '' can be optically characterized, for example, by appropriate dividing lines.

1

electrosurgical device

10 10 '

electrosurgical instrument

12

handle

14

bipolar instrument head

16 16 '

electrodes

20

RF generator

30 30 '

footswitch

35, 35 '

handset

40

control unit

41 41 '

RF line

43 43 '

bus

45, 45 '

fiber optic line

50, 50 '

display device

54 54 ', 54' '

led

60 60 ', 60' '

display

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 3627221 A1 [0007]
• - DE 4012545 A1 [0008]
• - DE 19943792 A1 [0009]

Claims (10)

An electrosurgical device comprising: - a plurality of electrosurgical instruments ( 10 . 10 ' ), each with a first display device ( 50 . 50 ' ), - an HF generator arrangement ( 20 ) connected to the instruments for providing an RF voltage, - a plurality of second display devices, which are arranged on the HF generator arrangement, wherein the first display devices ( 50 . 50 ' ) and the second display devices ( 60 . 60 ' ) are designed for the delivery of corresponding signals, so that in each case a second display device ( 60 . 60 ' ) a particular instrument ( 10 . 10 ' ) can be assigned. Electrosurgical device according to claim 1, characterized in that the first and / or second display devices ( 50 . 50 ' . 60 . 60 ' ) are designed for the delivery of colored light signals. Electrosurgical device according to one of the preceding claims, characterized by a control unit for controlling the HF generator arrangement in at least two different operating modes, wherein the control unit ( 40 ) with the first and / or second display device ( 50 . 50 ' . 60 . 60 ' ) is communicatively connected to indicate a set operating mode. Electrosurgical device according to one of the preceding claims, in particular according to claim 3, characterized in that the control unit ( 40 ) is designed to provide at least one coagulation mode and / or a cutting mode. Electrosurgical device according to one of the preceding claims, in particular according to claim 3 or 4, characterized in that the communicative connection at least one electrical data transmission line ( 43 . 43 ' ). Electrosurgical device according to one of the preceding claims, in particular according to one of claims 3 to 5, characterized in that the communicative connection at least one optical signal transmission line, in particular a glass fiber line ( 45 . 45 ' ). Electrosurgical device according to one of the preceding claims, characterized by at least one activation switch ( 35 . 35 ' ), in particular a footswitch ( 30 . 30 ' ) for activating the RF generator arrangement ( 20 ). Electrosurgical device according to one of the preceding claims, characterized by a plurality of activation switches ( 35 . 35 ' ) for activating the plurality of instruments ( 10 . 10 ' ). Electrosurgical device according to one of the preceding claims, characterized in that at least one first display device ( 50 . 50 ' ) an integral part of one of the instruments ( 10 . 10 ' ). Electrosurgical device according to one of the preceding claims, characterized in that the first display device ( 50 . 50 ' ) at least one LED ( 54 . 54 ' . 54 '' ).