EP0764007A1 - Instrument permettant de former des cavites dans des os - Google Patents

Instrument permettant de former des cavites dans des os

Info

Publication number
EP0764007A1
EP0764007A1 EP95942029A EP95942029A EP0764007A1 EP 0764007 A1 EP0764007 A1 EP 0764007A1 EP 95942029 A EP95942029 A EP 95942029A EP 95942029 A EP95942029 A EP 95942029A EP 0764007 A1 EP0764007 A1 EP 0764007A1
Authority
EP
European Patent Office
Prior art keywords
thread
tool
bone
flanks
screw
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Withdrawn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
EP95942029A
Other languages
German (de)
English (en)
Inventor
Roland Streckbein
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE4444856A external-priority patent/DE4444856A1/de
Priority claimed from DE1995128242 external-priority patent/DE19528242A1/de
Application filed by Individual filed Critical Individual
Publication of EP0764007A1 publication Critical patent/EP0764007A1/fr
Withdrawn legal-status Critical Current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
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0022—Self-screwing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments

Definitions

  • a multi-part jaw implant is already known in the prior art, in the screw part of which the upper thread flank, measured on average over its axial length, forms a significantly smaller angle with the axis of the screw than the lower thread flank.
  • the thread burr is relatively sharp-edged and has only a small radius, and the thread has a relatively large depth, i.e. the difference between the distance of a thread burr from the screw axis and the closest lowest point of a thread base to the screw axis is large and is approximately in the order of 20% of the largest radius of the screw.

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

La présente invention concerne un dispositif et un procédé permettant de former des cavités dans un tissu osseux spongieux, conçues pour loger un implant osseux. L'invention vise à créer un instrument approprié, permettant d'accroître la stabilité primaire des implants utilisés ultérieurement et en général d'améliorer ainsi leur durée de vie. A cet effet, cet instrument présente une partie filetée (3), de préférence légèrement conique, et une tête (2) servant à la rotation de l'instrument (1). La surface enveloppante de la partie filetée, notamment sa forme pratiquement conique, la forme et l'inclinaison des flancs de filet, les rayons de transition entre les flancs de filet adjacents et la structure superficielle de la partie filetée (3) sont conçus de façon à repousser le matériau des parois de la cavité osseuse principalement vers l'extérieur dans le sens radial et à retirer le moins possible de matière osseuse sous l'action du filetage.
EP95942029A 1994-12-16 1995-12-15 Instrument permettant de former des cavites dans des os Withdrawn EP0764007A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4444856A DE4444856A1 (de) 1994-04-29 1994-12-16 Kieferimplantat
DE4444856 1994-12-16
DE1995128242 DE19528242A1 (de) 1995-08-01 1995-08-01 Werkzeug zum Präparieren von Hohlräumen in Knochen
DE19528242 1995-08-01
PCT/DE1995/001829 WO1996018354A2 (fr) 1994-12-16 1995-12-15 Instrument permettant de former des cavites dans des os

Publications (1)

Publication Number Publication Date
EP0764007A1 true EP0764007A1 (fr) 1997-03-26

Family

ID=25942910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95942029A Withdrawn EP0764007A1 (fr) 1994-12-16 1995-12-15 Instrument permettant de former des cavites dans des os

Country Status (3)

Country Link
EP (1) EP0764007A1 (fr)
AU (1) AU4326496A (fr)
WO (1) WO1996018354A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009091811A1 (fr) 2008-01-14 2009-07-23 Brenzel Michael P Appareil et procédés de réparation des fractures
WO2011088172A1 (fr) 2010-01-15 2011-07-21 Brenzel Michael P Tige orthopédique tournante rigide
AU2011207550B2 (en) 2010-01-20 2016-03-10 Conventus Orthopaedics, Inc. Apparatus and methods for bone access and cavity preparation
CA2829193A1 (fr) 2010-03-08 2011-09-15 Conventus Orthopaedics, Inc. Appareil et procedes de fixation d'implant osseux
WO2015089357A2 (fr) 2013-12-12 2015-06-18 Conventus Orthopaedics, Inc. Outils et méthodes de déplacement de tissu
WO2019010252A2 (fr) 2017-07-04 2019-01-10 Conventus Orthopaedics, Inc. Appareil et méthodes de traitement d'os

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH642838A5 (de) * 1979-11-21 1984-05-15 Osteo Ag Kieferimplantat.
DE3513133A1 (de) * 1985-04-12 1986-10-23 Robert Bosch Gmbh, 7000 Stuttgart Zahnimplantat
IT1237496B (it) * 1989-10-26 1993-06-08 Giuseppe Vrespa Dispositivo a vite per l'ancoraggio di protesi alle ossa, metodo per l'applicazione di tale dispositivo e relativa attrezzatura

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9618354A3 *

Also Published As

Publication number Publication date
AU4326496A (en) 1996-07-03
WO1996018354A2 (fr) 1996-06-20
WO1996018354A3 (fr) 1996-08-22

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19961213

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK FR GB IT LI LU NL SE

17Q First examination report despatched

Effective date: 19991011

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20000222