DE575369C - Forceps for removing broken nerve needles from teeth - Google Patents

Forceps for removing broken nerve needles from teeth

Info

Publication number
DE575369C
DE575369C DEM119550D DEM0119550D DE575369C DE 575369 C DE575369 C DE 575369C DE M119550 D DEM119550 D DE M119550D DE M0119550 D DEM0119550 D DE M0119550D DE 575369 C DE575369 C DE 575369C
Authority
DE
Germany
Prior art keywords
forceps
teeth
sleeve
removing broken
needles
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
Application number
DEM119550D
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.)
CARL MERKEL
Original Assignee
CARL MERKEL
Publication date
Priority to DEM119550D priority Critical patent/DE575369C/en
Application granted granted Critical
Publication of DE575369C publication Critical patent/DE575369C/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
    • A61C5/46—Nerve extractors, e.g. needles; Means for removing broken parts of endodontic instruments

Description

Zange zum Entfernen abgebrochener Nervnadeln aus Zähnen Die Erfindung betrifft eine Zange zum Entfernen abgebrochener Nervnadeln aus Zähnen und besteht darin, daß ein sich in einer konisch verjüngenden Hülse durch Ver= drehen einer Verschlußkappe längsverschiebbarer Stift beim Hineindrehen in das konische Ende der Hülse zwischen sich und der Hülsenwand das abgebrochene Ende der Nadel zwecks Herausziehens aus dem Zahn festklemmt. Hierdurch erreichen Zangen bei kleinsten Abmessungen noch große Klemmfähigkeit.Forceps for removing broken nerve needles from teeth. The invention relates to forceps for removing broken nerve needles from teeth and consists in that a conically tapered sleeve by twisting a Closing cap longitudinally displaceable pin when screwing into the conical end the sleeve between itself and the sleeve wall the broken end of the needle for the purpose Pulling it out of the tooth. This enables pliers to reach the smallest Dimensions still great clamping ability.

Die Abbildung stellt einen Längsschnitt der Zange dar. Die Zange besteht aus der zylindrischen Hülse d, die sich nach einem Ende hin konisch verjüngt. Im Innern der Hülse sitzt ein durch eine Verschlußkappe b der Hülse d längsverschiebbarer Stift c. Durch Drehen an der Verschlußkappe b wird der Stift c in das konische Ende hinein= gepreßt und dadurch das abgebrochene Ende der Nervnadel d zwischen Stift und Hülsenwand festgeklemmt. Die in Frage kommenden Kervnadeln besitzen im Durchmesser den Bruchteil eines Millimeters und sind mit Widerhaken versehen; so daß sie oft sehr fest sitzen und schwer zu entfernen sind. Außerdem sind die öffnungen im angebohrten Zahn, ,durch welche die Zange eingeführt werden soll, sehr klein gehalten. All diese Umstände berücksichtigt die Zange nach der Erfindung.The illustration shows a longitudinal section of the pliers. The pliers exist from the cylindrical sleeve d, which tapers conically towards one end. in the Inside the sleeve sits a longitudinally displaceable through a closure cap b of the sleeve d Pen c. By turning the cap b, the pin c is inserted into the conical end in = pressed and thereby the broken end of the nerve needle d between the pin and sleeve wall clamped. The kervnadeln in question have in diameter a fraction of a millimeter and barbed; so they often very tight and difficult to remove. In addition, the openings are drilled Tooth, through which the forceps are to be inserted, kept very small. All these The pliers according to the invention take into account circumstances.

Claims (1)

PATENTANSPRUCH: Zange zum Entfernen abgebrochener Nervnadeln aus Zähnen, gekennzeichnet durch eine sich konisch verjüngende Hülse (r.)_ und einen durch Verdrehen einer Verschlußkappe (b) - sich in das konische Ende der Hülse (a) hineindrehenden Stift (c), der das abgebrochene Nadelende zwischen sich -und der Hülsenwand festklemmt. PATENT CLAIM: Forceps for removing broken nerve needles from teeth, characterized by a conically tapering sleeve (r.) _ And a pin (c) which turns into the conical end of the sleeve (a) by twisting a cap (b), which the broken needle end between itself - and the sleeve wall stuck.
DEM119550D Forceps for removing broken nerve needles from teeth Expired DE575369C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM119550D DE575369C (en) Forceps for removing broken nerve needles from teeth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM119550D DE575369C (en) Forceps for removing broken nerve needles from teeth

Publications (1)

Publication Number Publication Date
DE575369C true DE575369C (en) 1933-04-22

Family

ID=7329331

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM119550D Expired DE575369C (en) Forceps for removing broken nerve needles from teeth

Country Status (1)

Country Link
DE (1) DE575369C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0999801A1 (en) * 1998-06-03 2000-05-17 Clifford J. Ruddle Root canal obstruction removal system
WO2001089408A1 (en) * 2000-05-19 2001-11-29 San Diego Swiss Machining Inc. Instrument removal system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0999801A1 (en) * 1998-06-03 2000-05-17 Clifford J. Ruddle Root canal obstruction removal system
EP0999801A4 (en) * 1998-06-03 2006-06-21 Clifford J Ruddle Root canal obstruction removal system
WO2001089408A1 (en) * 2000-05-19 2001-11-29 San Diego Swiss Machining Inc. Instrument removal system

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