DE102006046346A1 - Medical set with scull boring plug, includes cannula and sealing plug designed to avoid damage following extraction of cannula - Google Patents

Medical set with scull boring plug, includes cannula and sealing plug designed to avoid damage following extraction of cannula Download PDF

Info

Publication number
DE102006046346A1
DE102006046346A1 DE102006046346A DE102006046346A DE102006046346A1 DE 102006046346 A1 DE102006046346 A1 DE 102006046346A1 DE 102006046346 A DE102006046346 A DE 102006046346A DE 102006046346 A DE102006046346 A DE 102006046346A DE 102006046346 A1 DE102006046346 A1 DE 102006046346A1
Authority
DE
Germany
Prior art keywords
cannula
shaft
plug
sealing body
scull
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Withdrawn
Application number
DE102006046346A
Other languages
German (de)
Inventor
Gerd Dr. Sandvoß
Karl-Heinz Otto
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.)
Tricumed Medizintechnik GmbH
Original Assignee
Tricumed Medizintechnik 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 Tricumed Medizintechnik GmbH filed Critical Tricumed Medizintechnik GmbH
Priority to DE102006046346A priority Critical patent/DE102006046346A1/en
Publication of DE102006046346A1 publication Critical patent/DE102006046346A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
    • 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
    • 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
    • A61B2090/103—Cranial plugs for access to brain

Abstract

A medical set comprises a skull boring plug having an externally threaded (10) hollow shaft (12) and an element (14) passing through the shaft (12) and a sealing body (18) closing the hollow (16) in the shaft (12). The element is a cannula (14) and the sealing plug (18) and the cannula (14) are designed to allow piercing of the sealing plug (18) without damage to the plug remaining after withdrawal of the cannula (14).

Description

Die Erfindung betrifft einen Set, bestehend aus einem Schädelbohrungsverschluss mit einem Außengewinde versehenen hohlen Schaft, einem durch den Schaft führbares Element und einem die Höhlung in dem Schaft verschließenden Dichtungskörper.The The invention relates to a set consisting of a skull bore closure with an external thread provided hollow shaft, a feasible by the shaft Element and one the cavity closing in the shaft Seal body.

Aus der DE 100 65 799 ist eine derartige Schädelschraube bekannt, bei der durch den hohlen Schaft ein Katheter einführbar ist. In dies Höhlung in dem Schaft wird dann ein Silikondichtring eingeführt, der die Höhlung im übrigen verschließt.From the DE 100 65 799 Such a skull screw is known in which a catheter is inserted through the hollow shaft. In this cavity in the shaft then a silicone sealing ring is introduced, which closes the cavity otherwise.

Die Führung eines Katheters oder eines dauerhaft liegenden Katheters in dem Schädelverschluss ist aber in vielen Fällen nachteilig. Er erlaubt zwar das Applizieren von Medikamenten und das Ziehen von Gehirnflüssigkeit zum Zwecke der Untersuchung, ein dauerhaft liegendes Katheter birgt aber die Gefahr des Einschleppens von Bakterien.The guide a catheter or a permanent catheter in the Skull closure but in many cases disadvantageous. Although it allows the application of drugs and the drawing of cerebral fluid for the purpose of examination, contains a permanent catheter but the danger of introducing bacteria.

Der Erfindung liegt damit die Aufgabe zugrunde, einen Set der eingangs genannten Art zu schaffen, bei dem die Gefahr des Einschleppens von Bakterien deutlich geringer ist.Of the Invention is therefore the object of a set of the beginning to create the type mentioned, in which the risk of entrainment of bacteria is significantly lower.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, dass das Element eine Kanüle ist und der Dichtungskörper und die Kanüle ein Durchstechen des Dichtungskörpers ohne dessen nach einem Herausziehen der Kanüle bleibenden Verletzung erlaubend ausgebildet sind.According to the invention this Task solved by that the element is a cannula is and the seal body and the cannula a puncture of the seal body without permitting its permanent injury after withdrawal of the cannula are formed.

Der Schädelbohrungsverschluss weist vorzugsweise einen von dem Schaft umlaufend abstehenden Flansch auf, der mit Vertiefung zum Angriff mit einem mit zu den Vertiefungen komplementär angeordneten und ausgebildeten Erhöhungen versehenen Werkzeug ausgebildet ist.Of the Cranial perforation closure preferably has a flange projecting from the shaft circumferentially on, with the well to attack with one to the wells complementary arranged and formed elevations provided tool is trained.

Das Material des Dichtungskörpers ist vorzugsweise ein Silikon.The Material of the seal body is preferably a silicone.

Die Kanüle sollte atraumatisch mit einer Anschrägung seiner Spitze ausgebildet sein.The cannula should be atraumatically formed with a bevel of its tip be.

Die Kanüle kann Teil einer Druckmesseinrichtung sein.The cannula may be part of a pressure measuring device.

Die Erfindung wird im Folgenden anhand einer Zeichnung erläutert. Dabei zeigt:The Invention will be explained below with reference to a drawing. there shows:

1 eine Seitenansicht eines derartigen Sets bei durch den Set hindurchgeführter Kanüle, und 1 a side view of such a set in passing through the set cannula, and

2 eine Schnittansicht entlang der Linie A-A von 1. 2 a sectional view taken along the line AA of 1 ,

Der Set besteht aus einem Schädelbohrungsverschluss, dessen hohler Schaft 12 mit einem selbstschneidenden Außengewinde 10 versehen ist, wobei die Höhlung 16 in dem Schaft 12 von einem Dichtungskörper 18 verschlossen wird. Der Schaft 12 ist im Bereich seiner Höhlung mit einer umlaufenden Rippe 26 versehen, der den scheibenförmigen Dichtungskörper fixiert. Der Set besteht weiter aus einer Kanüle 14, die in 1 durch den Dichtungskörper 18 hindurch geführt ist.The set consists of a skull hole lock, its hollow shaft 12 with a self-tapping external thread 10 is provided, the cavity 16 in the shaft 12 from a sealing body 18 is closed. The shaft 12 is in the area of its cavity with a circumferential rib 26 provided, which fixes the disc-shaped sealing body. The set further consists of a cannula 14 , in the 1 through the seal body 18 passed through.

Die Kanüle 14 und der Dichtungskörper 18 sind so ausgebildet, dass der Dichtungskörper 18 von der Kanüle 14 durchstochen werden kann, ohne dass der Dichtungskörper 18 dadurch verletzt wird, der Dichtungskörper 18 ist also aus einem Material gebildet, das sich nach einem Herausziehen der Kanüle wieder verschließt.The cannula 14 and the seal body 18 are designed so that the sealing body 18 from the cannula 14 can be pierced without the sealing body 18 is injured, the seal body 18 is thus formed of a material that closes again after pulling out the cannula.

2 verdeutlicht, dass der Schädelbohrungsverschluss mit einem von dem Schaft umlaufend abstehenden Flansch 20 versehen ist, der – vorzugsweise drei oder vier – Vertiefungen 22, 24 aufweist, die zum Angriff mit einem Werkzeug dienen, das komplementär angeordnet wird und ausgebildete Erhöhungen aufweist. 2 illustrates that the skull bore closure with a circumferentially protruding from the shaft flange 20 is provided, the - preferably three or four - wells 22 . 24 having for attack with a tool which is arranged complementary and has formed elevations.

Als Material für den Dichtungskörper hat sich Silikon besonders bewährt, dies hat die Eigenschaft, dass es sich bei Verwendung einer atraumatisch mit einer Anschrägung seiner Spitze ausgebildeten Kanüle nach deren Entfernen wieder vollständig schließt. Dabei ist der Durchmesser des Dichtungskörpers größer als seine Höhe, so dass die durchstechbare Fläche groß im Verhältnis zu dem zu durchstechenden Weg ist. Auch bei einer Ermüdung des Materials des Dichtungskörpers ist damit immer noch ein noch nicht durchstochener Bereich vorhanden.When Material for the seal body Silicone has proven to be particularly effective This has the property of being atraumatic with a chamfer its tip trained cannula after its removal completely closes again. Here is the diameter of the seal body greater than its height, so that the pierceable area big in the relationship to the way to be pierced. Even with fatigue of the Material of the seal body it still has a not yet pierced area.

Bei einem bevorzugten Ausführungsbeispiel bildet die Kanüle 14 ein Teil einer Druckmesseinrichtung, was es erlaubt, bei der in vielen Fällen nach einem operativen Eingriff erforderliche Messung des Gehirninnendrucks durchzuführen.In a preferred embodiment, the cannula forms 14 a part of a pressure measuring device, which makes it possible to carry out the measurement of the internal brain pressure required in many cases after an operation.

Bei einem bevorzugten, nicht dargestellten Ausführungsbeispiel ist in die untere, bei Einschrauben in den Schädel in die zum Gehirn weisende Fläche des Schafts eine Druckmesssonde eingearbeitet, die ein Abfragen des Gehirndrucks von außerhalb des Schädels erlaubt.at a preferred, not shown embodiment is in the lower, when screwed into the skull into the brain-facing surface of the shaft incorporated a pressure measuring probe, which queries of the brain pressure from outside the skull allowed.

Claims (5)

Set, bestehend aus einem Schädelbohrungsverschluss mit einem mit einem Außengewinde (10) versehenen hohlen Schaft (12), einem durch den Schaft (12) führbares Element (14) und einem die Höhlung (16) in dem Schaft (12) verschließenden Dichtungskörper (18), dadurch gekennzeichnet, dass das Element eine Kanüle (14) ist und der Dichtungskörper (18) und die Kanüle (14) ein Durchstechen des Dichtungskörper (18) ohne dessen nach einem Herausziehen der Kanüle (14) bleibenden Verletzung erlaubend ausgebildet sind.Set consisting of a skull bore closure with one with an external thread ( 10 ) provided hollow shaft ( 12 ), through the shaft ( 12 ) feasible element ( 14 ) and a cavity ( 16 ) in the shaft ( 12 ) closing Sealing body ( 18 ), characterized in that the element is a cannula ( 14 ) and the sealing body ( 18 ) and the cannula ( 14 ) a puncture of the sealing body ( 18 ) without pulling out the cannula ( 14 ) permitting permanent injury. Set nach Anspruch 1, gekennzeichnet durch einen von dem Schaft umlaufend abstehenden Flansch (20), der mit Vertiefungen (22) zum Angriff mit einem mit zu den Vertiefungen komplementär angeordneten und ausgebildeten Erhöhungen versehen Werkzeug ausgebildet ist.Set according to claim 1, characterized by a flange extending peripherally from the shaft ( 20 ), with wells ( 22 ) is designed to attack with a complementary to the wells arranged and formed elevations tool provided. Set nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Material des Dichtungskörpers (18) Silikon ist.Set according to claim 1 or 2, characterized in that the material of the sealing body ( 18 ) Silicone is. Set nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Kanüle (14) atraumatisch mit einer Anschrägung seiner Spitze ausgebildet ist.Set according to one of the preceding claims, characterized in that the cannula ( 14 ) is atraumatically formed with a chamfer of its tip. Set nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, das die Kanüle (14) Teil einer Druckmesseinrichtung ist.Set according to one of the preceding claims, characterized in that the cannula ( 14 ) Is part of a pressure measuring device.
DE102006046346A 2006-09-28 2006-09-28 Medical set with scull boring plug, includes cannula and sealing plug designed to avoid damage following extraction of cannula Withdrawn DE102006046346A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102006046346A DE102006046346A1 (en) 2006-09-28 2006-09-28 Medical set with scull boring plug, includes cannula and sealing plug designed to avoid damage following extraction of cannula

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006046346A DE102006046346A1 (en) 2006-09-28 2006-09-28 Medical set with scull boring plug, includes cannula and sealing plug designed to avoid damage following extraction of cannula

Publications (1)

Publication Number Publication Date
DE102006046346A1 true DE102006046346A1 (en) 2008-04-03

Family

ID=39134340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102006046346A Withdrawn DE102006046346A1 (en) 2006-09-28 2006-09-28 Medical set with scull boring plug, includes cannula and sealing plug designed to avoid damage following extraction of cannula

Country Status (1)

Country Link
DE (1) DE102006046346A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009047491A1 (en) * 2007-10-08 2009-04-16 Renishaw Plc Neurosurgical cap
US8579948B2 (en) 2009-07-01 2013-11-12 Biedermann Technologies Gmbh & Co. Kg Instruments for use with a bone anchor with plug member

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141459A1 (en) * 1980-10-20 1982-06-16 Medtronic, Inc., 55440 Minneapolis, Minn. DEVICE FOR ANCHORING A BRAIN PIPE
DE4227538A1 (en) * 1992-08-20 1994-02-24 Gerald Dr Ing Dr Med Koller Implantable device for intracranial application - allowing therapeutic agents to be applied through sealed system
EP0822844B1 (en) * 1995-04-28 2004-06-30 Medtronic, Inc. Securing device for intercranial infusion port with filter and catheter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141459A1 (en) * 1980-10-20 1982-06-16 Medtronic, Inc., 55440 Minneapolis, Minn. DEVICE FOR ANCHORING A BRAIN PIPE
DE4227538A1 (en) * 1992-08-20 1994-02-24 Gerald Dr Ing Dr Med Koller Implantable device for intracranial application - allowing therapeutic agents to be applied through sealed system
EP0822844B1 (en) * 1995-04-28 2004-06-30 Medtronic, Inc. Securing device for intercranial infusion port with filter and catheter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009047491A1 (en) * 2007-10-08 2009-04-16 Renishaw Plc Neurosurgical cap
US8556860B2 (en) 2007-10-08 2013-10-15 Renishaw (Ireland) Limited Neurosurgical cap
US8579948B2 (en) 2009-07-01 2013-11-12 Biedermann Technologies Gmbh & Co. Kg Instruments for use with a bone anchor with plug member
US9480518B2 (en) 2009-07-01 2016-11-01 Biedermann Technologies Gmbh & Co. Kg Instruments for use with a bone anchor with plug member

Similar Documents

Publication Publication Date Title
DE2835101C2 (en)
DE19949285C2 (en) bone screw
EP1819275B1 (en) Sample tube for receiving body fluids, particularly blood
DE102005052545A1 (en) Closure for medical syringe, has syringe cylinder and connected syringe neck at distal end whereby syringe neck has fixable adapter in which screw cap is fixable
DE2647624A1 (en) LOCK WITH HOLDER FOR A CONTAINER
DE3002915A1 (en) CATHETER ARRANGEMENT FOR INTERMITTENT INTRAVENOUS MEDICINE SUPPLY
DE2061978A1 (en) Measurement device with removable measurement probe
CH709832B1 (en) Transfer device.
EP2155140A1 (en) Puncture device and method for removing a fluid from a bag or introducing a substance into a bag
DE102006046346A1 (en) Medical set with scull boring plug, includes cannula and sealing plug designed to avoid damage following extraction of cannula
DE2815377A1 (en) DEVICE FOR COLLECTING BLOOD
DE102004044288A1 (en) Device for connecting a tubular part, in particular a cannula, to the inside of a bottle or the like
DE10048126B4 (en) Device for taking and / or dosing liquid samples by means of negative pressure, in particular for analytical investigations
DE202009008274U1 (en) Device for the sterile connection of medical disposable articles
DE10065799C1 (en) Skull drainage screw has threaded hollow shaft provided with multi-sided inner profile for reception of multi-sided insertion tool
DE102015218958A1 (en) Device for introducing a medium or an instrument into the human body, in particular port or trocar for the human eye
DE1541237A1 (en) Trocar
EP2649937B1 (en) Device for removing and/or receiving body fluids, particularly blood
DE102012212776A1 (en) Plastic closure for opening an aseptically closed plastic tube bag
WO1996037144A1 (en) Cerebral pressure measuring probe screw
DE10244118B4 (en) Cannula for continuous epidural anesthesia
DE202012007972U1 (en) Clamp packer with mechanical clamping device
DE102006001255A1 (en) catheter device
DE102009032185A1 (en) Device, particularly trocar, for inserting medium or instrument into human body, particularly in human eye, has passage that is tapered from connection-side end toward probe
DE102009053823A1 (en) Anastomosis device for transition of e.g. blood or physiological substance from collecting bag to patient, has protection element arranged in channel, where side of channel is turned away from opening with respect to barrier

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8139 Disposal/non-payment of the annual fee