DE20118302U1 - HF surgical endoscopic instrument - Google Patents

HF surgical endoscopic instrument

Info

Publication number
DE20118302U1
DE20118302U1 DE20118302U DE20118302U DE20118302U1 DE 20118302 U1 DE20118302 U1 DE 20118302U1 DE 20118302 U DE20118302 U DE 20118302U DE 20118302 U DE20118302 U DE 20118302U DE 20118302 U1 DE20118302 U1 DE 20118302U1
Authority
DE
Germany
Prior art keywords
instrument according
fork
coating
ceramic coating
electrically conductive
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 - Lifetime
Application number
DE20118302U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Winter and Ibe GmbH
Original Assignee
Olympus Winter and Ibe GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olympus Winter and Ibe GmbH filed Critical Olympus Winter and Ibe GmbH
Priority to DE20118302U priority Critical patent/DE20118302U1/en
Publication of DE20118302U1 publication Critical patent/DE20118302U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
    • 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
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/0088—Material properties ceramic
    • 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
    • A61B2018/00107—Coatings on the energy applicator

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. HF-chirurgisches endoskopisches Instrument mit einem rohrförmigen Schaft (11), an dessen distalem Ende ein Arbeitswerkzeug vorgesehen ist, das mindestens eine verschwenkbare Branche (14, 15) aufweist und das über eine elektrische Zuleitung (24) mit einer Hochfrequenzspannungs­ quelle verbunden sind, und bei dem im Schaft (11) ein axial verschiebbar angeordnetes Schub- und/oder Zugelement (23) vorgesehen ist, das über ein in einer Gabel (12) gehaltenes Koppelelement (22) mit dem Arbeits­ werkzeug verbunden ist, dergestalt, daß eine axiale Verstellung des Schub- und/oder Zugelements (23) ein Verschwenken der Branche (14, 15) be­ wirkt, wobei die Gabel (12) zumindest bereichsweise aus elektrisch leitfä­ higem Material besteht und die elektrische Zuleitung (24) durch die Gabel verläuft (12), dadurch gekennzeichnet, daß die Gabel (12) im Bereich ih­ rer äußeren elektrisch leitenden Flächen (25) mit einer Isolierbeschichtung (26) versehen ist. 1. HF surgical endoscopic instrument with a tubular shaft ( 11 ), at the distal end of which a working tool is provided which has at least one pivotable branch ( 14 , 15 ) and which are connected via an electrical feed line ( 24 ) to a high-frequency voltage source and is provided in which in the shank (11) axially displaceably arranged thrust and / or traction element (23), the tool over a held in a fork (12) coupling element (22) with the working is connected, such that a Axial adjustment of the push and / or tension element ( 23 ) causes the branch ( 14 , 15 ) to pivot, the fork ( 12 ) consisting at least in regions of electrically conductive material and the electrical feed line ( 24 ) running through the fork ( 12 ), characterized in that the fork ( 12 ) is provided with an insulating coating ( 26 ) in the region of its outer electrically conductive surfaces ( 25 ). 2. Instrument nach Anspruch 1, dadurch gekennzeichnet, daß die Isolierbe­ schichtung (26) eine Keramikbeschichtung ist.2. Instrument according to claim 1, characterized in that the Isolierbe coating ( 26 ) is a ceramic coating. 3. Instrument nach Anspruch 2, dadurch gekennzeichnet, daß die Keramik­ beschichtung aus Al2O3 (Aluminiumoxid-Keramik) besteht.3. Instrument according to claim 2, characterized in that the ceramic coating consists of Al 2 O 3 (aluminum oxide ceramic). 4. Instrument nach Anspruch 2, dadurch gekennzeichnet, daß die Dicke der Keramikbeschichtung zwischen 150-300 µm liegt.4. Instrument according to claim 2, characterized in that the thickness of the Ceramic coating is between 150-300 microns. 5. Instrument nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Arbeitswerkzeug zwei an einer Achse (13) relativ zueinander verschwenk­ bar gelagerte Branchen (14, 15) aufweist, die über jeweils voneinander isolierte elektrische Zuleitungen (24) mit den unterschiedlichen Polen ei­ ner Hochfrequenzspannungsquelle verbunden sind.5. Instrument according to claim 1 or 2, characterized in that the working tool has two on an axis ( 13 ) relative to each other pivotally mounted bar branches ( 14 , 15 ), the egg via each isolated electrical leads ( 24 ) with the different poles ner high frequency voltage source are connected. 6. Instrument nach einem der vorhergehenden Ansprüche, dadurch gekenn­ zeichnet, daß ist sich um eine Faß- oder Schneidzange handelt.6. Instrument according to one of the preceding claims, characterized records that it is a gripping or cutting pliers.
DE20118302U 2001-11-10 2001-11-10 HF surgical endoscopic instrument Expired - Lifetime DE20118302U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20118302U DE20118302U1 (en) 2001-11-10 2001-11-10 HF surgical endoscopic instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20118302U DE20118302U1 (en) 2001-11-10 2001-11-10 HF surgical endoscopic instrument

Publications (1)

Publication Number Publication Date
DE20118302U1 true DE20118302U1 (en) 2002-01-17

Family

ID=7963815

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20118302U Expired - Lifetime DE20118302U1 (en) 2001-11-10 2001-11-10 HF surgical endoscopic instrument

Country Status (1)

Country Link
DE (1) DE20118302U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007047243A1 (en) * 2007-09-25 2009-04-02 Karl Storz Gmbh & Co. Kg Bipolar medical instrument
WO2011124353A1 (en) * 2010-04-09 2011-10-13 Olympus Winter & Ibe Gmbh Electrosurgical laparoscopic instrument having an electrical lead

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007047243A1 (en) * 2007-09-25 2009-04-02 Karl Storz Gmbh & Co. Kg Bipolar medical instrument
US8926608B2 (en) 2007-09-25 2015-01-06 Karl Storz Gmbh & Co. Kg Bipolar medical instrument
WO2011124353A1 (en) * 2010-04-09 2011-10-13 Olympus Winter & Ibe Gmbh Electrosurgical laparoscopic instrument having an electrical lead
CN102892370A (en) * 2010-04-09 2013-01-23 奥林匹斯冬季和Ibe有限公司 Electrosurgical laparoscopic instrument having an electrical lead
US8888772B2 (en) 2010-04-09 2014-11-18 Olympus Winter & Ibe Gmbh Electrosurgical laparoscopic instrument having an electrical lead
CN102892370B (en) * 2010-04-09 2015-12-09 奥林匹斯冬季和Ibe有限公司 There is the surgery electric celioscope apparatus of electronic circuit

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020221

R150 Term of protection extended to 6 years

Effective date: 20050128

R151 Term of protection extended to 8 years

Effective date: 20071030

R152 Term of protection extended to 10 years

Effective date: 20091123

R071 Expiry of right
R071 Expiry of right