DE19726141A1 - Neurotrokar - Google Patents
NeurotrokarInfo
- Publication number
- DE19726141A1 DE19726141A1 DE19726141A DE19726141A DE19726141A1 DE 19726141 A1 DE19726141 A1 DE 19726141A1 DE 19726141 A DE19726141 A DE 19726141A DE 19726141 A DE19726141 A DE 19726141A DE 19726141 A1 DE19726141 A1 DE 19726141A1
- Authority
- DE
- Germany
- Prior art keywords
- head
- instrument
- angle
- neuronal
- needle
- 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- Withdrawn
Links
- 230000001537 neural effect Effects 0.000 title claims description 3
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 239000000560 biocompatible material Substances 0.000 claims abstract 2
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910001369 Brass Inorganic materials 0.000 claims description 2
- 239000010951 brass Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 210000003625 skull Anatomy 0.000 abstract description 2
- 238000001574 biopsy Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000050051 Chelone glabra Species 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
- A61B2017/3492—Means for supporting the trocar against the body or retaining the trocar inside the body against the outside of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- External Artificial Organs (AREA)
- Surgical Instruments (AREA)
Description
In der modernen Neurochirurgie möchte man durch möglichst geringe Öffnungen in den Hohlraum des
Kopfes eindringen, um zum Beispiel Biopsien zu nehmen oder Tumore zu entfernen. Dies möchte man
außerdem auch noch unter einem Sichtsystem, wie z. B. der Kernspintomographie durchführen.
Herkömmliche stereotaktische Stellvorrichtungen für derartige Interventionen sind aufwendig und
beziehen ihren Referenzpunkt nicht am Kopf, sondern am Operationstisch. Der Kopf des Patienten
kann sich jedoch in Bezug auf diesen Operationstisch bewegen. Hier wurden komplizierte
Haltevorrichtungen erstellt. All diese Dinge sind sehr groß und teuer. Die Erfindung hat zum Ziel, eine
kleine Lösung, die eventuell auch als Kurzzeitimplantat konzipiert sein kann, darzulegen. Die Erfindung
wird in den folgenden Figuren erläutert:
Fig. 1 Ansicht der Neurotrokarvorrichtung,
Fig. 2 Schnitt durch die Neurotrokarvorrichtung,
Fig. 3 Ansicht der Neurotrokarvorrichtung mit einer Neurobiopsienadel,
Fig. 4 Perspektivische Ansicht von Fig. 3.
In Fig. 1 ist die Neurotrokarvorrichtung 1 gezeigt. Sie besteht aus der Befestigungsplatte 2 und der
Nadelhalterung 3, die mittels eines Kugelgelenkes 15 in der Befestigungsplatte sitzt. Die
Nadelhalterung weist eine Instrumenteneinführröhre vor, die vorzugsweise als kreisrunde Bohrung
ausgestaltet ist. Es kann sich auch jede andere Geometrie anbieten. Festgestellt wird das Kugelgelenk
15 zur Befestigungsplatte 2 mittels einer Klemmvorrichtung 5, die durch eine Rändelschraube 14
bedient werden kann. Ein Instrument kann selbst mittels einer separaten Fixiervorrichtung 4 in der
Nadelhalterung gehalten werden.
Die Vorrichtung ist aus derartigen Materialien konzipiert, daß sie im Kernspintomographen einsetzbar
ist, nicht deflektiert und auch keine wesentlichen Bildverzerrungen, sogenannte Bildartefakte setzt. Als
Materialien können hier Titanlegierungen angewendet werden, wie sie in der Patentschrift
DE 195 31 117.5-35 dargestellt sind. Ebenso kann das Material aus Kunststoff sein, aus Keramik oder
aus verchromten Messing- oder Aluminiumlegierungen bestehen. Die Nadelhalterung 3 kann aus dem
zur Befestigungsplatte stehendem Lot 13 um den Winkel α herausgedreht werden. Nach Durchbohren
der Schädeldecke wird die Vorrichtung mittels eines Schneidgewindes 6, was sich unterhalb der
Befestigungsplatte 2 befindet, in die Schädeldecke gedreht und sitzt fest an dem Schädel.
Fig. 3 und 4 zeigen, wie eine Nadel oder ein Instrument in die Vorrichtung eingeführt werden kann. Die
Nadel 7 ist durch die Fixiervorrichtung 4 in einem festen Winkel α in die Vorrichtung 1 eingefügt. Die
Einstechtiefe wird über die Fixiervorrichtung 4 eingestellt.
Nach einer ersten Anwendung kann die Nadel entfernt werden, der Neurotrokar bleibt an Ort und
Stelle und dient als Führungs- und Positionierhilfe für weitere Instrumente. Bei Bedarf kann er auch
steril verschlossen werden.
Im Fall der Fig. 3 ist eine neuronale Aspirationsbiopsienadel gezeigt mit einer Nadelspitze, die als
Rundschliff konzipiert ist. Die Nadel verfügt über einen Führungsdraht 10 sowie einem
Schlauchverbinder, der z. B. als Luer-Lock-Anschluß ausgeführt sein kann 8 und einem
Führungsdrahtfingergriff 9 zum Bedienen des Führungsdrahtes.
1
Vorrichtung/Trokar
2
Befestigungsplatte
3
Nadelhalter, Instrumentenführung
4
Fixiervorrichtung, Instrumentenführung
5
Klemmvorrichtung
6
Schneidgewinde
7
Nadel
8
Schlauchverbinder, z. B. "Luer-Lock"
9
Führungsdrahtfingergriff
10
Führungsdraht
11
Nadelspitze mit Rundschliff
12
Instrumenteneinführröhre
13
Lot zur Ebene der Befestigungsplatte
14
Rändelschraube
15
Kugelgelenk
Claims (5)
1. Vorrichtung zur Einführung von medizinischem Besteck in den neuronalen Bereich des Kopfes,
dadurch gekennzeichnet, daß diese z. B. mittels eines Schneidgewindes (6) in den
Schädelknochen fest eingedreht werden kann und ein Instrument (4) in einem definierten
Raumwinkel eingeführt werden kann.
2. Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß mittels einer Klemmvorrichtung (5) der Winkel α, der sich ergibt
aus der Senkrechten (13) zur Befestigungsplatte und der Achse der rohrförmigen Einfuhrröhre
(12), einstellbar ist.
3. Vorrichtung nach einem der oberen Ansprüche,
dadurch gekennzeichnet, daß die eingeführten Instrumente in einer definierten Position mittels
einer Klemmvorrichtung (14) fixiert werden können.
4. Vorrichtung nach einem der oberen Ansprüche,
dadurch gekennzeichnet, daß sie steril verschließbar ist und für einige Zeit im Patienten
verbleiben kann und eine einmal eingestellte Position später wieder erreicht werden kann.
5. Vorrichtung nach einem der oberen Ansprüche,
dadurch gekennzeichnet, daß diese aus einem biokompatiblen Material gefertigt ist, welches
im Kernspintomographen einsetzbar ist und keine störenden Bildverzerrungen, sogenannte
Artefakte aufweist, wie Keramik, titanhaltige Legierungen, Kunststoff oder verchromte Messing- oder
Aluminiumlegierungen.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19726141A DE19726141A1 (de) | 1997-06-19 | 1997-06-19 | Neurotrokar |
DE29719526U DE29719526U1 (de) | 1997-06-19 | 1997-11-04 | Neurotrokar |
DE19808220A DE19808220B4 (de) | 1997-06-19 | 1998-02-27 | Nadeltrokar |
US10/226,364 US20030040753A1 (en) | 1997-06-19 | 2002-08-22 | Cranial guide device and methods |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19726141A DE19726141A1 (de) | 1997-06-19 | 1997-06-19 | Neurotrokar |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19726141A1 true DE19726141A1 (de) | 1999-01-28 |
Family
ID=7833078
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19726141A Withdrawn DE19726141A1 (de) | 1997-06-19 | 1997-06-19 | Neurotrokar |
DE29719526U Expired - Lifetime DE29719526U1 (de) | 1997-06-19 | 1997-11-04 | Neurotrokar |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29719526U Expired - Lifetime DE29719526U1 (de) | 1997-06-19 | 1997-11-04 | Neurotrokar |
Country Status (2)
Country | Link |
---|---|
US (1) | US20030040753A1 (de) |
DE (2) | DE19726141A1 (de) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1095625A3 (de) * | 1999-10-29 | 2001-10-04 | Tuebingen Scientific Surgical Products OHG | Haltesystem für Hilfsinstrumente insbesondere in der minimal invasiven Chirurgie |
WO2002013714A1 (en) * | 2000-08-17 | 2002-02-21 | Image Guided Neurologies, Inc. | Trajectory guide with instrument immobilizer |
EP1323389A2 (de) * | 2001-12-28 | 2003-07-02 | Olympus Optical Co., Ltd. | Trokar zum Einführen eines medizinischen Instrumentes |
DE10029736B4 (de) * | 2000-06-23 | 2004-05-06 | Mri Devices Daum Gmbh | Minimal-Invasiver Neurochirurgie-Zugang |
US6752812B1 (en) | 1997-05-15 | 2004-06-22 | Regent Of The University Of Minnesota | Remote actuation of trajectory guide |
DE10258534A1 (de) * | 2002-12-14 | 2004-07-08 | Lam, Hoang van, Dr.med. | Verfahren und Vorrichtung zur Verbesserung der händigen Führung eines stabförmigen Elementes od. dgl. |
DE10029737B4 (de) * | 2000-06-23 | 2006-01-19 | Mri Devices Daum Gmbh | Navigation eines medizinischen Instrumentes |
US6989015B2 (en) | 2001-09-14 | 2006-01-24 | Invivo Germany Gmbh | Navigation of medical instrument |
US7658879B2 (en) | 2003-02-20 | 2010-02-09 | Medtronic, Inc. | Trajectory guide with angled or patterned guide lumens or height adjustment |
US7660621B2 (en) | 2000-04-07 | 2010-02-09 | Medtronic, Inc. | Medical device introducer |
US7704260B2 (en) | 2002-09-17 | 2010-04-27 | Medtronic, Inc. | Low profile instrument immobilizer |
US7744606B2 (en) | 2004-12-04 | 2010-06-29 | Medtronic, Inc. | Multi-lumen instrument guide |
US7803163B2 (en) | 2004-12-04 | 2010-09-28 | Medtronic, Inc. | Multiple instrument retaining assembly and methods therefor |
US8083753B2 (en) | 2000-04-07 | 2011-12-27 | Medtronic, Inc. | Robotic trajectory guide |
US8116850B2 (en) | 2002-12-20 | 2012-02-14 | Medtronic, Inc. | Organ access device and method |
US9302043B2 (en) | 2013-03-12 | 2016-04-05 | Medtronic, Inc. | Socketed portal anchors and methods of using same |
US9352125B2 (en) | 2013-03-12 | 2016-05-31 | Medtronic, Inc. | Portal anchors incorporating strain relief cup and systems using same |
US10076387B2 (en) | 2015-06-18 | 2018-09-18 | Medtronic, Inc. | Medical device implantation and positioning system |
US10086193B2 (en) | 2004-02-13 | 2018-10-02 | Medtronic, Inc. | Apparatus for securing a therapy delivery device within a burr hole and method for making same |
US10252032B2 (en) | 2013-03-12 | 2019-04-09 | Medtronic, Inc. | Socketed portal anchors and methods of using same |
Families Citing this family (87)
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---|---|---|---|---|
DE19858578C2 (de) * | 1998-12-18 | 2001-01-04 | Aesculap Ag & Co Kg | Chirurgisches Instrument |
US20080177268A1 (en) * | 2002-02-14 | 2008-07-24 | Wolfgang Daum | Minimally-Invasive Approach to Bone-Obstructed Soft Tissue |
GB0206131D0 (en) * | 2002-03-15 | 2002-04-24 | Depuy Int Ltd | A surgical navigation tool |
US20040019265A1 (en) * | 2002-07-29 | 2004-01-29 | Mazzocchi Rudy A. | Fiducial marker devices, tools, and methods |
US7720522B2 (en) * | 2003-02-25 | 2010-05-18 | Medtronic, Inc. | Fiducial marker devices, tools, and methods |
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US20040030237A1 (en) * | 2002-07-29 | 2004-02-12 | Lee David M. | Fiducial marker devices and methods |
ATE428360T1 (de) * | 2002-09-05 | 2009-05-15 | Radi Medical Devices Ab | Führung für eine medizinische vorrichtung |
US7241298B2 (en) * | 2003-01-31 | 2007-07-10 | Howmedica Osteonics Corp. | Universal alignment guide |
US7780679B2 (en) | 2003-05-30 | 2010-08-24 | Innerspace Medical, Inc. | System and method for intracranial access and monitoring |
US7731721B2 (en) * | 2003-07-16 | 2010-06-08 | Synthes Usa, Llc | Plating system with multiple function drill guide |
JP2007501063A (ja) * | 2003-08-01 | 2007-01-25 | ジンテス ゲゼルシャフト ミット ベシュレンクテル ハフツング | 骨固定器具用のドリルガイド組立体 |
US7357804B2 (en) * | 2003-08-13 | 2008-04-15 | Synthes (U.S.A.) | Quick-release drill-guide assembly for bone-plate |
US20050049595A1 (en) | 2003-09-03 | 2005-03-03 | Suh Sean S. | Track-plate carriage system |
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US8167944B2 (en) | 2004-10-20 | 2012-05-01 | The Board Of Trustees Of The Leland Stanford Junior University | Systems and methods for posterior dynamic stabilization of the spine |
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Also Published As
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US20030040753A1 (en) | 2003-02-27 |
DE29719526U1 (de) | 1998-02-12 |
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