DK0385588T3 - Sphincterotomiindretning med kontrolleret bøjning og orientering - Google Patents

Sphincterotomiindretning med kontrolleret bøjning og orientering

Info

Publication number
DK0385588T3
DK0385588T3 DK90301154.2T DK90301154T DK0385588T3 DK 0385588 T3 DK0385588 T3 DK 0385588T3 DK 90301154 T DK90301154 T DK 90301154T DK 0385588 T3 DK0385588 T3 DK 0385588T3
Authority
DK
Denmark
Prior art keywords
sphincterotome
lumen
cutting
wire
disclosed
Prior art date
Application number
DK90301154.2T
Other languages
Danish (da)
English (en)
Inventor
John Karpiel
Original Assignee
Wilson Cook Medical Inc
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 Wilson Cook Medical Inc filed Critical Wilson Cook Medical Inc
Application granted granted Critical
Publication of DK0385588T3 publication Critical patent/DK0385588T3/da

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B2017/2926Details of heads or jaws
    • A61B2017/2927Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00553Sphincter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1407Loop
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/32General characteristics of the apparatus with radio-opaque indicia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133Tip steering devices
    • A61M25/0144Tip steering devices having flexible regions as a result of inner reinforcement means, e.g. struts or rods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133Tip steering devices
    • A61M25/0147Tip steering devices with movable mechanical means, e.g. pull wires

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Otolaryngology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Endoscopes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Prostheses (AREA)
  • Catching Or Destruction (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
DK90301154.2T 1989-03-03 1990-02-05 Sphincterotomiindretning med kontrolleret bøjning og orientering DK0385588T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/318,724 US5024617A (en) 1989-03-03 1989-03-03 Sphincterotomy method and device having controlled bending and orientation

Publications (1)

Publication Number Publication Date
DK0385588T3 true DK0385588T3 (da) 1995-08-21

Family

ID=23239350

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90301154.2T DK0385588T3 (da) 1989-03-03 1990-02-05 Sphincterotomiindretning med kontrolleret bøjning og orientering

Country Status (9)

Country Link
US (2) US5024617A (fr)
EP (1) EP0385588B1 (fr)
JP (1) JPH0653125B2 (fr)
AT (1) ATE124855T1 (fr)
AU (1) AU621198B2 (fr)
CA (1) CA2007657C (fr)
DE (1) DE69020757T2 (fr)
DK (1) DK0385588T3 (fr)
ES (1) ES2075143T3 (fr)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5374245A (en) 1990-01-10 1994-12-20 Mahurkar; Sakharam D. Reinforced multiple-lumen catheter and apparatus and method for making the same
US5163938A (en) * 1990-07-19 1992-11-17 Olympus Optical Co., Ltd. High-frequency surgical treating device for use with endoscope
US5323768A (en) * 1991-04-22 1994-06-28 Olympus Optical Co., Ltd. Diathermic dissector with a bifurcation having substantially the same cross-sectional area as a lumen for guiding a wire
US5152772A (en) * 1991-07-10 1992-10-06 Sewell Jr Frank Sphincterotomy catheter and method
WO1993019803A1 (fr) 1992-03-31 1993-10-14 Boston Scientific Corporation Fil medical
US6497709B1 (en) 1992-03-31 2002-12-24 Boston Scientific Corporation Metal medical device
US5383849A (en) * 1992-05-11 1995-01-24 Wilson-Cook Medical, Inc. Method for selective endoscopic cannulation of ductal structures
AU666554B2 (en) 1992-05-11 1996-02-15 Harold Jacob improved biliary catheter
US5843028A (en) * 1992-05-11 1998-12-01 Medical Innovations Corporation Multi-lumen endoscopic catheter
US6770066B1 (en) 1992-05-11 2004-08-03 Ballard Medical Products Multi-lumen endoscopic catheter
US5630840A (en) 1993-01-19 1997-05-20 Schneider (Usa) Inc Clad composite stent
US5547469A (en) * 1994-05-13 1996-08-20 Boston Scientific Corporation Apparatus for performing diagnostic and therapeutic modalities in the biliary tree
US6743217B2 (en) 1994-05-13 2004-06-01 Scimed Life Systems, Inc. Apparatus for performing diagnostic and therapeutic modalities in the biliary tree
DE4425195C1 (de) * 1994-07-16 1995-11-16 Osypka Peter Katheter mit Mehrfachelektrode
US6017340A (en) * 1994-10-03 2000-01-25 Wiltek Medical Inc. Pre-curved wire guided papillotome having a shape memory tip for controlled bending and orientation
US5676160A (en) * 1995-01-31 1997-10-14 Bryant; Benjamin Jay Surgical method
CA2212808C (fr) * 1995-02-28 2007-12-04 Boston Scientific Corporation Instruments en polymere permettant de transmettre un couple
US5571129A (en) * 1995-05-15 1996-11-05 Portlyn Corporation Surgical cutting instrument with improved cleaning capability and ease of use
US5769858A (en) * 1995-10-20 1998-06-23 Medtronic, Inc. Locking stylet for extracting implantable lead or catheter
JP3086166B2 (ja) * 1996-02-05 2000-09-11 オリンパス光学工業株式会社 内視鏡用高周波切開装置
US6436056B1 (en) 1996-02-28 2002-08-20 Boston Scientific Corporation Polymeric implements for torque transmission
JPH09285472A (ja) * 1996-04-25 1997-11-04 Olympus Optical Co Ltd 高周波切開具
US5810807A (en) * 1996-05-22 1998-09-22 Ganz; Robert A. Sphincterotome with deflectable cutting plane and method of using the same
US5785531A (en) * 1996-06-06 1998-07-28 Wilson-Cook Medical Incorporated Cuttable papilla and sphincterotomy training apparatus
US5984920A (en) * 1997-05-09 1999-11-16 Medi-Globe Corporation Rotatable sphincterotome/papillotome and method of use
US5848691A (en) 1997-07-07 1998-12-15 Wilson-Cook Medical Inc. Package for sphincterotome or catheter including structure maintaining shape of distal tip
WO1999017669A1 (fr) 1997-10-03 1999-04-15 Boston Scientific Corporation Dispositif et procede facilitant l'acces a un conduit du corps humain
US6540693B2 (en) 1998-03-03 2003-04-01 Senorx, Inc. Methods and apparatus for securing medical instruments to desired locations in a patients body
US6344026B1 (en) 1998-04-08 2002-02-05 Senorx, Inc. Tissue specimen encapsulation device and method thereof
US6261241B1 (en) * 1998-03-03 2001-07-17 Senorx, Inc. Electrosurgical biopsy device and method
US6659105B2 (en) 1998-02-26 2003-12-09 Senorx, Inc. Tissue specimen isolating and damaging device and method
US6331166B1 (en) * 1998-03-03 2001-12-18 Senorx, Inc. Breast biopsy system and method
US6875182B2 (en) 1998-03-03 2005-04-05 Senorx, Inc. Electrosurgical specimen-collection system
US6312429B1 (en) * 1998-09-01 2001-11-06 Senorx, Inc. Electrosurgical lesion location device
US6638234B2 (en) 1998-03-03 2003-10-28 Senorx, Inc. Sentinel node location and biopsy
US6454727B1 (en) 1998-03-03 2002-09-24 Senorx, Inc. Tissue acquisition system and method of use
US6517498B1 (en) 1998-03-03 2003-02-11 Senorx, Inc. Apparatus and method for tissue capture
US6497706B1 (en) 1998-03-03 2002-12-24 Senorx, Inc. Biopsy device and method of use
US6758848B2 (en) 1998-03-03 2004-07-06 Senorx, Inc. Apparatus and method for accessing a body site
US6540695B1 (en) * 1998-04-08 2003-04-01 Senorx, Inc. Biopsy anchor device with cutter
US6997885B2 (en) * 1998-04-08 2006-02-14 Senorx, Inc. Dilation devices and methods for removing tissue specimens
US6231572B1 (en) * 1998-05-29 2001-05-15 Applied Medical Resources Corporation Electrosurgical catheter apparatus and method
US6679851B2 (en) * 1998-09-01 2004-01-20 Senorx, Inc. Tissue accessing and anchoring device and method
US6482179B1 (en) 1999-05-28 2002-11-19 Cohesion Technologies, Inc. Apparatuses, methods and compositions for closing tissue puncture openings
US6267759B1 (en) 1999-06-22 2001-07-31 Senorx, Inc. Shaped scalpel
US6692484B1 (en) 1999-07-17 2004-02-17 Wilson-Cook Medical Incorporated Devices for extracting biliary or urinary stones
WO2001005311A1 (fr) 1999-07-17 2001-01-25 Wilson-Cook Medical, Inc. Dispositifs pour extraire des calculs biliaires ou renaux
US6267592B1 (en) * 1999-12-22 2001-07-31 Pro Post, Inc. Highly flexible instrument for dental applications
DE60114857T2 (de) 2000-08-14 2006-09-07 Boston Scientific Ltd., Saint Michael Lenkbares sphinkterotom
US6579300B2 (en) 2001-01-18 2003-06-17 Scimed Life Systems, Inc. Steerable sphincterotome and methods for cannulation, papillotomy and sphincterotomy
US6827718B2 (en) 2001-08-14 2004-12-07 Scimed Life Systems, Inc. Method of and apparatus for positioning and maintaining the position of endoscopic instruments
US20030060842A1 (en) * 2001-09-27 2003-03-27 Yem Chin Method and apparatus for measuring and controlling blade depth of a tissue cutting apparatus in an endoscopic catheter
CA2504135C (fr) * 2002-11-01 2012-01-31 C.R. Bard, Inc. Catheter a embout conique, court, a profil bas
US9408592B2 (en) 2003-12-23 2016-08-09 Senorx, Inc. Biopsy device with aperture orientation and improved tip
US8100903B2 (en) 2004-11-24 2012-01-24 Cook Medical Technologies Llc Sphincterotome improvement
US8343071B2 (en) 2004-12-16 2013-01-01 Senorx, Inc. Biopsy device with aperture orientation and improved tip
US20090204021A1 (en) * 2004-12-16 2009-08-13 Senorx, Inc. Apparatus and method for accessing a body site
JP4745673B2 (ja) * 2005-02-02 2011-08-10 Hoya株式会社 内視鏡用高周波切開具
JP4681897B2 (ja) * 2005-02-02 2011-05-11 Hoya株式会社 内視鏡用高周波処置具
US7678107B2 (en) * 2005-03-10 2010-03-16 Boston Scientific Scimed, Inc. Medical needles and electrodes with improved bending stiffness
CA2608996A1 (fr) * 2005-05-17 2006-11-23 Wilson-Cook Medical Inc. Dispositif de rincage d'hemostase
US9095325B2 (en) 2005-05-23 2015-08-04 Senorx, Inc. Tissue cutting member for a biopsy device
US7572236B2 (en) 2005-08-05 2009-08-11 Senorx, Inc. Biopsy device with fluid delivery to tissue specimens
US8317725B2 (en) 2005-08-05 2012-11-27 Senorx, Inc. Biopsy device with fluid delivery to tissue specimens
US7833223B2 (en) 2006-05-01 2010-11-16 Ethicon Endo-Surgery, Inc. Tri-bending sphinctertome
US20070255303A1 (en) * 2006-05-01 2007-11-01 Ethicon Endo-Surgery, Inc. Integrated Guidewire Needle Knife Device
AU2007201675B2 (en) * 2006-05-01 2012-05-24 Ethicon Endo-Surgery, Inc. Dual-bend sphinctertome
US8702720B2 (en) * 2006-05-03 2014-04-22 Cook Medical Technologies Llc Tassel tip wire guide
AU2007254126A1 (en) * 2006-05-19 2007-11-29 Conmed Endoscopic Technologies, Inc. Steerable medical instrument
EP1897506B1 (fr) * 2006-09-08 2010-03-03 Ethicon Endo-Surgery, Inc. Instrument chirurgical pour réaliser des myotomies controlées
US7766909B2 (en) * 2006-11-08 2010-08-03 Boston Scientific Scimed, Inc. Sphincterotome with stiffening member
US7780691B2 (en) * 2007-03-21 2010-08-24 Ethicon Endo-Surgery, Inc. Endoscopic tissue resection device
US9345539B2 (en) * 2007-08-17 2016-05-24 Olympus Corporation Treatment device
US8066703B2 (en) * 2007-10-08 2011-11-29 Boston Scientific Scimed, Inc. Sphincterotome with improved orientation
US20090312645A1 (en) * 2008-06-16 2009-12-17 Boston Scientific Scimed, Inc. Methods and Devices for Accessing Anatomic Structures
US20100057077A1 (en) * 2008-09-02 2010-03-04 Wilson-Cook Medical Inc. Fep pre-curved distal tip sphincterotome
US8518035B2 (en) * 2008-12-22 2013-08-27 Cook Medical Technologies Llc Electrosurgical rotating cutting device
US9179969B2 (en) * 2011-06-03 2015-11-10 Cook Medical Technologies Llc Sphincterotome orientation
CN102579084B (zh) * 2012-04-06 2015-11-18 凌亭生 十二指肠侧视镜用热活检钳
US9844407B2 (en) * 2012-12-27 2017-12-19 Cook Medical Technologies Llc Bipolar sphincterotome
US20140276717A1 (en) * 2013-03-15 2014-09-18 Covidien Lp Bipolar gas plasma coagulation nozzle
EP3603547B1 (fr) * 2014-06-10 2021-07-21 Fujifilm Medwork Gmbh Papillotome pour la gastrostomie endoscopique percutanée
US10524849B2 (en) 2016-08-02 2020-01-07 Covidien Lp System and method for catheter-based plasma coagulation
WO2018081396A1 (fr) * 2016-10-31 2018-05-03 Cook Medical Technologies Llc Dispositif médical comportant une surface interne revêtue d'alliage à mémoire de forme
CN111050834A (zh) 2017-09-01 2020-04-21 国际私人银行有限责任公司 括约肌切开器装置和方法及其用途
WO2019049229A1 (fr) 2017-09-06 2019-03-14 オリンパス株式会社 Outil de traitement haute-fréquence et système endoscopique
US20210113231A1 (en) * 2018-06-13 2021-04-22 Endoscopytools, Llc Endoscopic tools with soft tip and method
WO2021250593A1 (fr) * 2020-06-11 2021-12-16 Boston Scientific Limited Systèmes médicaux, dispositifs, et procédés associés
WO2022060667A1 (fr) 2020-09-15 2022-03-24 Boston Scientific Scimed, Inc. Dispositifs et systèmes pour un procédé endoscopique

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687997A (en) * 1949-12-10 1954-08-31 Marchand John Felix Dialyzers
BE560504A (fr) * 1956-09-05 1900-01-01
US3552384A (en) * 1967-07-03 1971-01-05 American Hospital Supply Corp Controllable tip guide body and catheter
US3828790A (en) * 1973-02-28 1974-08-13 American Cystoscope Makers Inc Surgical snare
US4304677A (en) * 1978-09-05 1981-12-08 The Dow Chemical Company Method of servicing wellbores
DE3045295A1 (en) * 1979-05-21 1982-02-18 American Cystoscope Makers Inc Surgical instrument for an endoscope
JPS5917290Y2 (ja) * 1979-06-04 1984-05-21 オリンパス光学工業株式会社 内視鏡用高周波ナイフ
FR2504394A1 (fr) * 1981-04-28 1982-10-29 Seirmi Sonde etalon pour determiner les caracteristiques d'une electrode cardiaque pour stimulateur artificiel
US4759348A (en) * 1981-09-28 1988-07-26 Cawood Charles David Endoscope assembly and surgical instrument for use therewith
JPS6031690Y2 (ja) * 1981-12-11 1985-09-21 株式会社 メドス研究所 内視鏡用高周波切開器
US4545390A (en) * 1982-09-22 1985-10-08 C. R. Bard, Inc. Steerable guide wire for balloon dilatation procedure
US4764324A (en) * 1983-12-12 1988-08-16 Warren Burnham Method of making a catheter
US4724836A (en) * 1985-01-08 1988-02-16 Olympus Optical Co., Ltd. High-frequency incision tool
US4807626A (en) * 1985-02-14 1989-02-28 Mcgirr Douglas B Stone extractor and method
DE8605101U1 (de) * 1986-02-26 1986-05-22 Pauldrach, Georg, 3008 Garbsen Medizinisches Scheidwerkzeug
JPS6429254A (en) * 1987-07-25 1989-01-31 Olympus Optical Co High frequency incision device
JPS6432854A (en) * 1987-07-28 1989-02-02 Olympus Optical Co High frequency incision device
US4867174A (en) * 1987-11-18 1989-09-19 Baxter Travenol Laboratories, Inc. Guidewire for medical use

Also Published As

Publication number Publication date
CA2007657C (fr) 1999-08-10
AU4993990A (en) 1990-09-06
ES2075143T3 (es) 1995-10-01
US5075062A (en) 1991-12-24
DE69020757T2 (de) 1996-02-22
EP0385588B1 (fr) 1995-07-12
JPH0653125B2 (ja) 1994-07-20
ATE124855T1 (de) 1995-07-15
US5024617A (en) 1991-06-18
DE69020757D1 (de) 1995-08-17
JPH02279151A (ja) 1990-11-15
EP0385588A3 (fr) 1991-09-04
CA2007657A1 (fr) 1990-09-03
AU621198B2 (en) 1992-03-05
EP0385588A2 (fr) 1990-09-05

Similar Documents

Publication Publication Date Title
DK0385588T3 (da) Sphincterotomiindretning med kontrolleret bøjning og orientering
GB2230191B (en) Lesion location device
US5116350B1 (en) Catheter system having distal tip for opening obstructions
GB2161082B (en) Bipolar electric surgical instrument
IT1177984B (it) Dispositivo chirurgico per l'osteosintesi
ES2084510T3 (es) Dispositivo de sonda medica y metodo correspondiente.
DE69210683D1 (de) Endoskopische, bipolare elektrochirurgische Instrumente
FR2562415B1 (fr) Bistouri electrique, pour chirurgie arthroscopique
EP0509670A3 (en) Bipolar electrosurgical scalpel with paired loop electrodes
FR2423208B1 (fr) Perfectionnements au champ operatoire, en particulier pour interventions chirurgicales visant la tete de l'opere
FR2566261B1 (fr) Pince medicale
DE59206656D1 (de) Medizinisches Hochfrequenz-Koagulations-Schneidinstrument
ITFI910152A0 (it) Apparecchiatura a microonde per ipertermia clinica nella termoterapia endogena
ITPD930190A0 (it) Macchina perfezionata per il taglio programmato di cavi elettrici spellatura delle estremita' ed aggraffaggio di terminali
IT1225716B (it) Dispositivo per la protezione dei rele' di binario dai disturbi elettrici
ATE43247T1 (de) Venenkatheter mit fuehrungsmandrin zur ekgabnahme.
DE69222932D1 (de) Katheter mit elektro-chirurgischem schneidinstrument
IT1226602B (it) Unita' di scatto magnetico per interruttore elettrico.
IT1181252B (it) Dispositivo per la piegatura dei reofori di componenti elettrici e/o elettronici
FR2562788B3 (fr) Pince diathermique pour micro-chirurgie
IT1199308B (it) Cavo elettrico aereo con guida d'on de luminose
KR860004526U (ko) 산부인과 수술용 질경의 고정장치
JPS6429254A (en) High frequency incision device
GB2200497B (en) "adaptor for an electrical switch"
IT9019194A0 (it) Bracci di guida per filo