AT824U1 - WORKING CANNULAS FOR ARTHROSCOPY - Google Patents

WORKING CANNULAS FOR ARTHROSCOPY Download PDF

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Publication number
AT824U1
AT824U1 AT0045495U AT45495U AT824U1 AT 824 U1 AT824 U1 AT 824U1 AT 0045495 U AT0045495 U AT 0045495U AT 45495 U AT45495 U AT 45495U AT 824 U1 AT824 U1 AT 824U1
Authority
AT
Austria
Prior art keywords
tube
locking pin
arthroscopy
working cannula
trocar
Prior art date
Application number
AT0045495U
Other languages
German (de)
Original Assignee
Golser Karl Dr
Sperner Gernot Dr
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 Golser Karl Dr, Sperner Gernot Dr filed Critical Golser Karl Dr
Priority to AT0045495U priority Critical patent/AT824U1/en
Publication of AT824U1 publication Critical patent/AT824U1/en
Priority to DE29611170U priority patent/DE29611170U1/en
Priority to US08/681,854 priority patent/US5735867A/en

Links

Classifications

    • 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
    • A61M25/06Body-piercing guide needles or the like
    • A61M25/065Guide needles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • 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
    • A61M25/06Body-piercing guide needles or the like
    • A61M25/0606"Over-the-needle" catheter assemblies, e.g. I.V. catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B2017/348Means for supporting the trocar against the body or retaining the trocar inside the body
    • A61B2017/3482Means for supporting the trocar against the body or retaining the trocar inside the body inside
    • A61B2017/349Trocar with thread on outside

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgical Instruments (AREA)
  • Saccharide Compounds (AREA)
  • Endoscopes (AREA)

Description

AT 000 824 UlAT 000 824 Ul

Die Erfindung betrifft eine Arbeitskanüle für die Arthroskopie , insbesondere der Schulter und des Knies, bestehend aus einem Rohr und einem darin geführten entfernbaren Verschlußzapfen (Trokar).The invention relates to a working cannula for arthroscopy, in particular the shoulder and the knee, consisting of a tube and a removable closure plug (trocar) guided therein.

Bei einer bekannten Einrichtung, welche von der Firma Arthrex vertrieben wird, ist der Verschlußzapfen mit einem stumpfen Vorderende versehen, da eine Spitze zu Verletzungen insbesondere auch von Nerven führen könnte, während ein stumpfer Zapfen durch das Muskelgewebe gedrückt werden kann.In a known device, which is sold by the Arthrex company, the locking pin is provided with a blunt front end, since a tip could lead to injuries, particularly to nerves, while a blunt pin can be pressed through the muscle tissue.

Aus SU-Al 15 21 465 ist andererseits bereits eine aus Trokarhülse und Trokar bestehende Einrichtung bekannt geworden, wobei die Trokarhülse im distalen Endbereich ein Außengewinde aufweist, welches durch das Gewinde der Trokarspitze fortgesetzt wird.From SU-Al 15 21 465, on the other hand, a device consisting of trocar sleeve and trocar has already become known, the trocar sleeve having an external thread in the distal end region, which is continued by the thread of the trocar tip.

Bei der erstgenannten Ausführung ist die Zielsicherheit der Einrichtung relativ gering. Bei einer mit einem Gewinde versehenen Arbeitskanüle kommt es andererseits kritisch darauf an, sofort die richtige Lage im Gelenk zu finden, da ein mehrmaliges Einschrauben des scharfkantigen Gerätes unbedingt zu vermeiden ist.In the first-mentioned embodiment, the target security of the device is relatively low. In the case of a threaded working cannula, on the other hand, it is critical to find the correct position in the joint immediately, since repeated screwing in of the sharp-edged device must be avoided.

Die Erfindung garantiert ein zielsicheres Einführen der Arbeitskanüle dadurch, daß der Verschlußzapfen eine durchgehende zentrale Bohrung zur Aufnahme eines Führungsdrahtes aufweist.The invention guarantees a precise insertion of the working cannula in that the closure pin has a continuous central bore for receiving a guide wire.

An sich scheint es paradox, den Verschlußzapfen (Trokar), dessen Aufgabe das Verschließen der Trokarhülse ist, selbst wieder als Hülse auszubilden. Die zentrale Bohrung des Verschlußzapfens, welche erfindungsgemäß vorgesehen wird, ist während des Einführens der Arbeitskanüle jedoch sicher durch den Führungsdraht verschlossen. 2 AT 000 824 UlIn itself, it seems paradoxical to design the sealing plug (trocar), the function of which is to close the trocar sleeve, as a sleeve again. The central bore of the closure pin, which is provided according to the invention, is, however, securely closed by the guide wire during the insertion of the working cannula. 2 AT 000 824 Ul

Einzelheiten der Erfindung werden anschließend anhand der Zeichnungen erläutert. In diesen stelltDetails of the invention are subsequently explained with reference to the drawings. In this poses

Fig. 1 die beiden Teile eines Ausführungsbeispieles getrennt in Seitenansicht dar,1 shows the two parts of an embodiment separately in side view,

Fig. 2 zeigt die Einrichtung nach Fig. 1 im zusammengebauten Zustand,FIG. 2 shows the device according to FIG. 1 in the assembled state,

Fig. 3 ist ein teilweiser Schnitt durch Fig. 2, undFig. 3 is a partial section through Fig. 2, and

Fig. 4 ein vollständiger Längsschnitt der Einrichtung nachFig. 4 shows a complete longitudinal section of the device

Fig. 2 bzw. Fig. 3.2 and 3.

Wesentlicher Teil einer Arbeitskanüle für die Arthroskopie ist ein Rohr 1, welches im vorliegenden Fall mit einem scharfkantigen Gewinde 2 versehen ist. Am äußeren Ende befindet sich ein Anschlußstutzen 4, durch den beispielsweise eine Flüssigkeit eingepreßt werden kann. £>An essential part of a working cannula for arthroscopy is a tube 1, which in the present case is provided with a sharp-edged thread 2. At the outer end there is a connecting piece 4 through which, for example, a liquid can be injected. £ >

Beim Einführen des Rohres 1 in ein Gelenk, insbesondere in das Schultergelenk, ist das Rohr 1 durch einen Verschlußzapfen 5 ausgefüllt, dessen mit einem Gewinde 8 versehene Spitze durch das Rohr 1 ragt und dessen Gewinde derart fortsetzt, daß der Durchmesser zur Spitze hin rasch abnimmt. Ein Ansatz 7 an der Außenseite des Verschlußzapfens 5 rastet in eine Erweiterung 3 des Rohres ein, wenn der Verschlußzapfen 5 ganz in das Rohr 1 eingeführt ist. Dadurch kann, wie aus Fig. 3 ersichtlich ist, das Rohr 1 mittels des Drehgriffes 6 eingeschraubt werden, welcher am Verschlußzapfen 5 angeordnet ist. Für die Erfindung wesentlich ist die zentrale Bohrung 9 im Verschlußzapfen 5, welche in Richtung des Drehgriffes 6 in eine Erweiterung 10 übergeht.When the tube 1 is inserted into a joint, in particular into the shoulder joint, the tube 1 is filled by a locking pin 5, the threaded tip 8 of which protrudes through the tube 1 and the thread of which continues in such a way that the diameter decreases rapidly towards the tip . An extension 7 on the outside of the locking pin 5 snaps into an extension 3 of the tube when the locking pin 5 is fully inserted into the tube 1. As a result, as can be seen from FIG. 3, the tube 1 can be screwed in by means of the rotary handle 6, which is arranged on the locking pin 5. Essential for the invention is the central bore 9 in the locking pin 5, which merges into an extension 10 in the direction of the rotary handle 6.

Der Durchmesser der Bohrung 9 beträgt etwa 1 mm, wodurch ein sicherer Halt für einen Führungsdraht gegeben ist. Als sicherer Führungsdraht kommt insbesondere ein als Kirsch-nerdraht bekannter zugespitzter Draht aus Federstahl in Be- 3 AT 000 824 Ul tracht, welcher elastisch verformbar ist und hohe Bruchfestigkeit aufweist.The diameter of the bore 9 is approximately 1 mm, which provides a secure hold for a guide wire. As a safe guidewire, in particular a pointed wire made of spring steel known as Kirsch ner wire is used, which is elastically deformable and has high breaking strength.

Bei einer Operation wird zunächst ein Arthroskop eingeführt und dann in dessen Gesichtsfeld der Führungsdraht an die gewünschte Stelle eingestochen, über den Führungsdraht wird nun mit durch den Führungsdraht gesichertem Zielort die aus Rohr 1 und VerschluBzapfen 5 (Trokarhülse und Trokar) bestehende Einrichtung unter Drehen des Drehgriffes 6 eingeschraubt. Anschließend werden der Führungsdraht und der Verschlußzapfen 5 herausgezogen, wobei das Gewinde 2 das Rohr 1 in seiner Position hält, sodaß nun durch das Rohr 1 die gewünschten Manipulationen vorgenommen werden können. 4During an operation, an arthroscope is first inserted and then the guidewire is inserted into the field of vision in the field of vision, then the device consisting of tube 1 and locking pin 5 (trocar sleeve and trocar) is turned over the guidewire with the destination secured by the guidewire while turning the rotary handle 6 screwed in. Then the guide wire and the locking pin 5 are pulled out, the thread 2 holding the tube 1 in its position, so that the desired manipulations can now be carried out through the tube 1. 4th

Claims (3)

AT 000 824 Ul Ansprüche : 1. Arbeitskanüle für die Arthroskopie, insbesondere der Schulter und des Knies, bestehend aus einem Rohr und einem darin geführten entfernbaren Verschlußzapfen (Trokar), wobei das Rohr ein äußeres Gewinde aufweist, welches durch ein Gewinde der über das Rohr vorstehenden Spitze des Verschlußzapfens fortgesetzt wird, dadurch gekennzeichnet, daß der Verschlußzapfen (5) eine durchgehende zentrale Bohrung (9) zur Aufnahme eines Führungsdrahtes aufweist.AT 000 824 Ul Claims: 1. Working cannula for arthroscopy, in particular the shoulder and the knee, consisting of a tube and a removable locking pin (trocar) guided therein, the tube having an external thread, which is a thread of the tube protruding tip of the locking pin is continued, characterized in that the locking pin (5) has a continuous central bore (9) for receiving a guide wire. 2. Arbeitskanüle nach Anspruch 1, dadurch gekennzeichnet, daß die Bohrung (9) eingangsseitig eine Erweiterung (10) aufweist.2. Working cannula according to claim 1, characterized in that the bore (9) has an extension (10) on the input side. 3. Arbeitskanüle nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Verschlußzapfen (3) mit einem Ansatz (7) versehen ist, welcher nach Einschieben in eine längliche Erweiterung (3) des Rohres (1) in Einschub- und Drehrichtung am Rohr (1) anschlägt. 53. Working cannula according to claim 1 or 2, characterized in that the closure pin (3) is provided with a projection (7) which after insertion into an elongated extension (3) of the tube (1) in the direction of insertion and rotation on the tube ( 1) strikes. 5
AT0045495U 1995-08-23 1995-08-23 WORKING CANNULAS FOR ARTHROSCOPY AT824U1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT0045495U AT824U1 (en) 1995-08-23 1995-08-23 WORKING CANNULAS FOR ARTHROSCOPY
DE29611170U DE29611170U1 (en) 1995-08-23 1996-06-26 Working cannula for arthroscopy
US08/681,854 US5735867A (en) 1995-08-23 1996-07-29 Working cannula for arthroscopy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0045495U AT824U1 (en) 1995-08-23 1995-08-23 WORKING CANNULAS FOR ARTHROSCOPY

Publications (1)

Publication Number Publication Date
AT824U1 true AT824U1 (en) 1996-06-25

Family

ID=3491052

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0045495U AT824U1 (en) 1995-08-23 1995-08-23 WORKING CANNULAS FOR ARTHROSCOPY

Country Status (3)

Country Link
US (1) US5735867A (en)
AT (1) AT824U1 (en)
DE (1) DE29611170U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718086A1 (en) * 1997-04-29 1998-11-05 Florian Dr Krug Trocar for minimal invasive surgery

Families Citing this family (45)

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CA2360529A1 (en) * 1999-01-28 2000-08-03 Minrad Inc. Sampling device and method of retrieving a sample
WO2001008572A1 (en) * 1999-07-30 2001-02-08 Norbert Heske Cannula system for introducing endoscopic tools in a human or animal body
US6517519B1 (en) * 1999-08-13 2003-02-11 The Johns Hopkins University Device and method for rapid chest tube insertion
US6783515B1 (en) * 1999-09-30 2004-08-31 Arthrocare Corporation High pressure delivery system
WO2002011629A1 (en) * 2000-08-10 2002-02-14 Synthes Ag Chur Device for the introduction of medical items
CA2684439C (en) 2001-08-01 2013-03-26 Tyco Healthcare Group Lp Radially dilatable percutaneous access apparatus with introducer seal in handle
US6989003B2 (en) * 2001-08-31 2006-01-24 Conmed Corporation Obturator and cannula for a trocar adapted for ease of insertion and removal
EP2428175B1 (en) 2001-09-24 2013-05-29 Applied Medical Resources Corporation Bladeless Obturator
US20030153926A1 (en) * 2002-02-08 2003-08-14 Reinhold Schmieding Distracting cannula for sheathless arthroscope
GB0208667D0 (en) * 2002-04-16 2002-05-29 Atlantech Medical Devices Ltd A transverse suspension device
DE60337002D1 (en) 2002-05-16 2011-06-16 Applied Med Resources OBTURATOR WITH CONE TIP
DE60331463D1 (en) * 2002-11-22 2010-04-08 Tyco Healthcare Medical system with pods
US7390317B2 (en) * 2002-12-02 2008-06-24 Applied Medical Resources Corporation Universal access seal
JP4444209B2 (en) * 2003-04-28 2010-03-31 裕 鈴木 Fistula catheter kit
JP2007516737A (en) 2003-10-03 2007-06-28 アプライド メディカル リソーシーズ コーポレイション Blade-less optical obturator
US7125411B2 (en) * 2003-11-14 2006-10-24 Guanche Carlos A Cannula delivery and support system
US20050113843A1 (en) * 2003-11-25 2005-05-26 Arramon Yves P. Remotely actuated system for bone cement delivery
EP1729649B1 (en) 2004-01-16 2014-06-25 Arthrocare Corporation Bone harvesting device and method
US20050209607A1 (en) * 2004-03-22 2005-09-22 John Lipchitz Medical cannula assembly
EP2984998B1 (en) 2004-06-29 2017-03-15 Applied Medical Resources Corporation Insufflating optical surgical instrument
US7935122B2 (en) * 2004-12-23 2011-05-03 Arthrocare Corporation Cannula having asymmetrically-shaped threads
US20060178673A1 (en) * 2005-02-09 2006-08-10 Arthrocare Corporation Lockable slide hammer and gripping apparatus
CA2600279A1 (en) 2005-03-10 2006-09-21 Tyco Healthcare Group Lp Suture anchors
US7591850B2 (en) * 2005-04-01 2009-09-22 Arthrocare Corporation Surgical methods for anchoring and implanting tissues
US7842042B2 (en) * 2005-05-16 2010-11-30 Arthrocare Corporation Convergent tunnel guide apparatus and method
ES2759549T3 (en) 2006-10-06 2020-05-11 Applied Med Resources Visual insufflation pathway
US7686838B2 (en) 2006-11-09 2010-03-30 Arthrocare Corporation External bullet anchor apparatus and method for use in surgical repair of ligament or tendon
US20080154304A1 (en) * 2006-12-21 2008-06-26 Arthrocare Corporation System and method for accessing a tissue structure
US20080177239A1 (en) * 2007-01-18 2008-07-24 Yong Li Trocar cannula system
US20090182288A1 (en) * 2008-01-04 2009-07-16 Spenciner David B Flexible Medical Cannula
CA2714889C (en) 2008-01-25 2016-05-03 Applied Medical Resources Corporation Insufflating access system
US8114053B2 (en) * 2008-07-17 2012-02-14 Tyco Healthcare Group Lp Port fixation with interlocking structure
US20100023065A1 (en) * 2008-07-25 2010-01-28 Welch Andrea M Tissue access device with alignment guide and methods of use
AU2009296212B2 (en) 2008-09-29 2015-02-05 Applied Medical Resources Corporation First-entry trocar system
US8876710B2 (en) * 2009-04-07 2014-11-04 Covidien Lp Surgical portal apparatus with expandable cannula
US20110082338A1 (en) * 2009-10-01 2011-04-07 Tyco Healthcare Group Lp Port fixation with varying thread pitch
US8449612B2 (en) * 2009-11-16 2013-05-28 Arthrocare Corporation Graft pulley and methods of use
US20110118838A1 (en) * 2009-11-16 2011-05-19 George Delli-Santi Graft pulley and methods of use
DE102009060377B4 (en) * 2009-12-24 2016-10-20 Richard Wolf Gmbh trocar
US9254148B2 (en) 2011-05-02 2016-02-09 Applied Medical Resources Corporation Low-profile surgical universal access port
EP3174478B8 (en) 2014-08-01 2024-01-03 Star BP, Inc. Coring dilator for defining an aperture in a tissue wall
AU2017364483B2 (en) * 2016-11-28 2022-02-17 Inova Medical Pty Ltd Percutaneous drainage device
CA3050153A1 (en) * 2017-01-17 2018-07-26 Uti Limited Partnership Positioning device for medical devices
CN112587177A (en) * 2020-12-09 2021-04-02 北京世通瑞泰医疗器械有限公司 Temporomandibular arthroscope instrument matched with temporomandibular arthroscope for use
CN118302117A (en) * 2021-11-05 2024-07-05 音诺瓦医药有限公司 Devices and systems for removing tissue above and/or draining subcutaneous skin abscesses

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US4573448A (en) * 1983-10-05 1986-03-04 Pilling Co. Method for decompressing herniated intervertebral discs
SU1521465A1 (en) * 1987-01-13 1989-11-15 Научно-производственное объединение "Мединструмент" Trochar
EP0346469A1 (en) * 1987-11-16 1989-12-20 Universitet Druzhgby Narodov Imeni Patrisa Lumumby Trocar
WO1993025148A1 (en) * 1992-06-16 1993-12-23 Loma Linda University Medical Center Trocar facilitator for endoscopic surgery

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US5350393A (en) * 1992-01-06 1994-09-27 Inbae Yoon Safety trocar penetrating instrument
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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US4573448A (en) * 1983-10-05 1986-03-04 Pilling Co. Method for decompressing herniated intervertebral discs
SU1521465A1 (en) * 1987-01-13 1989-11-15 Научно-производственное объединение "Мединструмент" Trochar
EP0346469A1 (en) * 1987-11-16 1989-12-20 Universitet Druzhgby Narodov Imeni Patrisa Lumumby Trocar
WO1993025148A1 (en) * 1992-06-16 1993-12-23 Loma Linda University Medical Center Trocar facilitator for endoscopic surgery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718086A1 (en) * 1997-04-29 1998-11-05 Florian Dr Krug Trocar for minimal invasive surgery
DE19718086C2 (en) * 1997-04-29 2001-07-05 Florian Krug Trocar as an access instrument for minimally invasive surgery

Also Published As

Publication number Publication date
DE29611170U1 (en) 1996-09-05
US5735867A (en) 1998-04-07

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