EP0764007A1 - Instrument permettant de former des cavites dans des os - Google Patents
Instrument permettant de former des cavites dans des osInfo
- 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- Withdrawn
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 54
- 239000007943 implant Substances 0.000 claims abstract description 75
- 239000000463 material Substances 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 10
- 230000004323 axial length Effects 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 238000005229 chemical vapour deposition Methods 0.000 claims 1
- 238000004049 embossing Methods 0.000 claims 1
- 238000005240 physical vapour deposition Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 210000002449 bone cell Anatomy 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000037182 bone density Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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.
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2781407A1 (fr) | 2008-01-14 | 2009-07-23 | Michael P. Brenzel | Appareil et procedes de reparation des fractures |
| WO2011088172A1 (fr) | 2010-01-15 | 2011-07-21 | Brenzel Michael P | Tige orthopédique tournante rigide |
| ES2733729T3 (es) | 2010-01-20 | 2019-12-02 | Conventus Orthopaedics Inc | Aparato para el acceso a huesos y para la preparación de cavidades |
| CN107569279A (zh) | 2010-03-08 | 2018-01-12 | 康文图斯整形外科公司 | 用于骨修复的装置及方法 |
| US10022132B2 (en) | 2013-12-12 | 2018-07-17 | Conventus Orthopaedics, Inc. | Tissue displacement tools and methods |
| US10918426B2 (en) | 2017-07-04 | 2021-02-16 | Conventus Orthopaedics, Inc. | Apparatus and methods for treatment of a bone |
Family Cites Families (3)
| 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 |
-
1995
- 1995-12-15 EP EP95942029A patent/EP0764007A1/fr not_active Withdrawn
- 1995-12-15 AU AU43264/96A patent/AU4326496A/en not_active Abandoned
- 1995-12-15 WO PCT/DE1995/001829 patent/WO1996018354A2/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9618354A3 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996018354A3 (fr) | 1996-08-22 |
| AU4326496A (en) | 1996-07-03 |
| WO1996018354A2 (fr) | 1996-06-20 |
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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 |
Free format text: ORIGINAL CODE: 0009012 |
|
| 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 |