DE102008022889A1 - Coagulating instrument for coagulating human tissue during surgery has two coagulating electrodes each with a working surface for coagulation - Google Patents
Coagulating instrument for coagulating human tissue during surgery has two coagulating electrodes each with a working surface for coagulation Download PDFInfo
- Publication number
- DE102008022889A1 DE102008022889A1 DE102008022889A DE102008022889A DE102008022889A1 DE 102008022889 A1 DE102008022889 A1 DE 102008022889A1 DE 102008022889 A DE102008022889 A DE 102008022889A DE 102008022889 A DE102008022889 A DE 102008022889A DE 102008022889 A1 DE102008022889 A1 DE 102008022889A1
- Authority
- DE
- Germany
- Prior art keywords
- coagulation
- coagulating
- electrodes
- recess
- instrument
- 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.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00071—Electrical conductivity
- A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00089—Thermal conductivity
- A61B2018/00095—Thermal conductivity high, i.e. heat conducting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B2018/1462—Tweezers
Abstract
Description
Die Erfindung betrifft ein Koagulationsinstrument gemäß dem Oberbegriff des Patentanspruchs 1.The The invention relates to a coagulation instrument according to the preamble of claim 1
In vielen Bereichen der Chirurgie werden seit langer Zeit Instrumente eingesetzt, die einen Koagulationseffekt ausnutzen. Eine Koagulierung von menschlichem Gewebe findet statt, falls ausreichend elektrischer Strom durch das Gewebe fließt und damit das Gewebe erwärmt. Um unterwünschte Nebeneffekte wie Muskel- und Nervenreizungen auszuschließen, werden üblicherweise hochfrequente Wechselströme mit Frequenzen von mehr als 300 KHz verwendet.In Many areas of surgery have long been instruments used, which exploit a coagulation effect. A coagulation of human tissue takes place if sufficient electrical Current flows through the tissue and thus warm the tissue. To be unwanted Side effects such as muscle and nerve irritation are usually excluded high-frequency alternating currents used with frequencies of more than 300 KHz.
Der Strom kann dabei entweder zwischen einer kleinflächigen Elektrode und einer großflächigen Elektrode fließen, wodurch Gewebe in der Nähe der kleinflächigen Elektrode koaguliert wird, oder es werden zwei kleinflächige Elektroden verwendet, um eine Koagulation von Gewebe in einem eng begrenzten Bereich, nämlich zwischen den beiden Elektroden, zu erreichen. Mit dieser Methode können beispielsweise Blutgefäße schnell und zuverlässig verschlossen werden.Of the Electricity can either be between a small-area electrode and a large-area electrode flow, causing tissue in the vicinity the small area Electrode is coagulated, or it will be two small-area electrodes used to coagulate tissue in a narrow area Area, namely between the two electrodes. With this method can for example, blood vessels fast and reliable be closed.
Problematisch bei der Anwendung von Koagulationsinstrumenten ist, dass die Koagulationselektroden unter Umständen mit anhaftendem Gewebe verschmutzt werden können. Die anhaftenden Gewebeteile werden dabei ausgetrocknet, wodurch der Stromfluss aufgrund der Erhöhung des Widerstandes zurückgeht.Problematic in the application of coagulation instruments is that the coagulation electrodes in certain circumstances can be contaminated with adherent tissue. The adherent tissue parts are thereby dried out, whereby the current flow due to the increase the resistance goes back.
Um die Anhaftung von Gewebe zu erschweren, ist es bekannt, an Koagulationselektroden Antihaftbeschichtungen anzubringen.Around To aggravate the adhesion of tissue, it is known to coagulation electrodes Non-stick coatings to install.
Diese Antihaftbeschichtungen haben allerdings den Nachteil, dass sie das Anhaften von Geweberesten wegen der Erwärmung nicht zuverlässig verhindern können und nach längerem Operationseinsatz nicht mehr gebraucht werden können. Mehrere Reinigungen mit der Drahtbürste, um die stark haftenden Gewebereste zu entfernen, führen zur Zerstörung der Antihaftbeschichtung und des ursprünglich gewünschten Effekts.These However, non-stick coatings have the disadvantage that they are the Prevent adherence of tissue remnants because of the warming not reliable can and after a long time Operation operation can no longer be used. Several cleanings with the wire brush, To remove the strongly adhering tissue remnants lead to destruction the non-stick coating and the originally desired effect.
Die Aufgabe der Erfindung besteht daher darin, ein Koagulationsinstrument bereitzustellen, welche ein Anhaften von Gewebe erschwert.The The object of the invention is therefore a coagulation instrument to provide, which makes adhesion of tissue difficult.
Die Aufgabe der Erfindung wird gelöst durch ein Koagulationsinstrument mit den Merkmalen des Patentanspruchs 1.The The object of the invention is achieved by a coagulation instrument having the features of the claim 1.
Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.advantageous Embodiments and developments of the invention are specified in the subclaims.
Erfindungsgemäß ist in den Koagulationselektroden des Koagulationsinstruments ein Wärmeleitkanal angeordnet. Dieser leitet die Wärme in den Schaftbereich und verhindert auf diese Weise ein Anhaften von Gewebe.According to the invention is in the coagulation of the coagulation instrument a Wärmeleitkanal arranged. This conducts the heat in the shaft area and prevents in this way adhesion of tissue.
Vorzugsweise ist zur Bildung des Wärmeleitkanals im Kern der Elektroden eine Aussparung angebracht, die mit Silber ausgefüllt ist. Vorteilhafterweise erstreckt sich die Aussparung durch die Arbeitsfläche und den Schaft der Koagulationselektrode, wobei besonders bevorzugt das Volumen der Aussparung im Schaft um ein mehrfaches höher ist als das Volumen der Aussparung in der Arbeitsfläche. Dadurch wird die Wärme mit hoher Geschwindigkeit in den Schaftbereich weitergeleitet mit der Konsequenz, dass ein Verkleben der Elektrode im Arbeitsbereich nicht mehr möglich ist. Als Zusatzeffekt kann die Leistung des HF(Hochfrequenz)-Gerätes auf einen Bruchteil gesenkt werden, da die Silbereinlage die elektrische Leitfähigkeit beispielsweise gegenüber einer Koagulationselektrode aus Stahl um das Mehrfache verstärkt. Insgesamt wird die Anwendung dadurch patientenfreundlicher.Preferably is to form the Wärmeleitkanals In the core of the electrodes a recess attached, which with silver filled out is. Advantageously, the recess extends through the working surface and the shaft of the coagulation electrode, with particular preference the volume of the recess in the shaft is several times higher than the volume of the recess in the work surface. This is the heat with high speed in the shaft area forwarded with the consequence, that a bonding of the electrode in the work area is no longer possible. As an additional effect, the performance of the HF (high frequency) device on be lowered a fraction, since the silver inlay the electric conductivity for example, opposite a coagulation electrode made of steel reinforced several times. All in all This makes the application more patient-friendly.
Gemäß einer bevorzugten Ausführungsform der Erfindung sind die Koagulationselektroden bis auf die Arbeitsfläche von einer Beschichtung abgedeckt. Als Beschichtung wird insbesondere Rilsan® verwendet, ein thermoplastischer Kunststoff. Dies ermöglicht eine Manipulation und eine vorsichtige Erweiterung des Operationsfeldes auf sanfte Art. Außerdem kommt es nicht zu unterwünschten Verbrennungen an engen Stellen und in der Tiefe, da es nur an den Arbeitsflächen zur Koagulation kommen kann.According to a preferred embodiment of the invention, the coagulation electrodes are covered by a coating except for the working surface. As a coating, in particular Rilsan ® is used, a thermoplastic. This allows a gentle manipulation and a careful expansion of the surgical field. In addition, there is no unwanted burns in narrow places and in the depth, since it can come only on the work surfaces for coagulation.
Die Erfindung wird anhand der nachfolgenden Figuren ausführlich erläutert. Es zeigtThe The invention will be explained in detail with reference to the following figures. It shows
Die
Das
Koagulationsinstrument
Die
Koagulationselektroden
Die
Koagulationselektroden
Claims (6)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008022889A DE102008022889A1 (en) | 2007-11-15 | 2008-05-08 | Coagulating instrument for coagulating human tissue during surgery has two coagulating electrodes each with a working surface for coagulation |
EP08019895A EP2060238B1 (en) | 2007-11-15 | 2008-11-14 | Coagulation instrument |
AT08019895T ATE545380T1 (en) | 2007-11-15 | 2008-11-14 | COAGULATION INSTRUMENT |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202007016059.3 | 2007-11-15 | ||
DE202007016059 | 2007-11-15 | ||
DE102008022889A DE102008022889A1 (en) | 2007-11-15 | 2008-05-08 | Coagulating instrument for coagulating human tissue during surgery has two coagulating electrodes each with a working surface for coagulation |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008022889A1 true DE102008022889A1 (en) | 2009-06-10 |
Family
ID=40621345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008022889A Withdrawn DE102008022889A1 (en) | 2007-11-15 | 2008-05-08 | Coagulating instrument for coagulating human tissue during surgery has two coagulating electrodes each with a working surface for coagulation |
Country Status (2)
Country | Link |
---|---|
AT (1) | ATE545380T1 (en) |
DE (1) | DE102008022889A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9242351B2 (en) | 2010-06-30 | 2016-01-26 | Thomas Butsch | Bipolar forceps |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060004356A1 (en) * | 2002-11-26 | 2006-01-05 | Bilski W J | Cooling Element for electrosurgery |
-
2008
- 2008-05-08 DE DE102008022889A patent/DE102008022889A1/en not_active Withdrawn
- 2008-11-14 AT AT08019895T patent/ATE545380T1/en active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060004356A1 (en) * | 2002-11-26 | 2006-01-05 | Bilski W J | Cooling Element for electrosurgery |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9242351B2 (en) | 2010-06-30 | 2016-01-26 | Thomas Butsch | Bipolar forceps |
Also Published As
Publication number | Publication date |
---|---|
ATE545380T1 (en) | 2012-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
R002 | Refusal decision in examination/registration proceedings | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20131203 |