WO2011037206A1 - Broche d'apposition de guide et méthode de réalisation d'une chirurgie implantatoire utilisant celle-ci - Google Patents

Broche d'apposition de guide et méthode de réalisation d'une chirurgie implantatoire utilisant celle-ci Download PDF

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Publication number
WO2011037206A1
WO2011037206A1 PCT/JP2010/066598 JP2010066598W WO2011037206A1 WO 2011037206 A1 WO2011037206 A1 WO 2011037206A1 JP 2010066598 W JP2010066598 W JP 2010066598W WO 2011037206 A1 WO2011037206 A1 WO 2011037206A1
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WO
WIPO (PCT)
Prior art keywords
guide
implant
fixing pin
preoperative
jawbone
Prior art date
Application number
PCT/JP2010/066598
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English (en)
Japanese (ja)
Inventor
基文 十河
雅也 西願
Original Assignee
株式会社アイキャット
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 JP2009219796A external-priority patent/JP4971401B2/ja
Application filed by 株式会社アイキャット filed Critical 株式会社アイキャット
Publication of WO2011037206A1 publication Critical patent/WO2011037206A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/082—Positioning or guiding, e.g. of drills
    • A61C1/085—Positioning or guiding, e.g. of drills for multiple drills, for simultaneous drilling

Definitions

  • the present invention relates to a guide fixing pin used before and during an implant operation to position an implant operation guide having at least two guide sleeves for implant operation with respect to a jaw bone, and the pre- and intra-operative guides.
  • the present invention relates to a method of performing an implant operation using a fixing pin.
  • guides for implant surgery are based on detection of an appropriate position for implanting an implant into a jawbone in dental implant treatment.
  • the implant surgical guide is fitted on the dentition of an individual patient, and a guide sleeve of the implant surgical guide is disposed above the desired implant placement position, and a drill is guided to the guide sleeve. Create proper implant formation fossa.
  • the position of the guide for implant surgery may be displaced with the rotation of the drill during drilling work with a drill. there were.
  • a separate sleeve is provided in the guide for implant surgery, and a pin is passed through the sleeve, and the pin is inserted into the gingiva and alveolar bone not related to the implant surgery, so that the implant surgery can be performed even during drilling.
  • the guides were maintained in the proper positions.
  • an anchor member is inserted in the buccal tongue direction to position an implant surgical guide (template).
  • the present invention has been created to avoid such a problem, and provides a guide fixing pin for fixing to an dentition without providing a wound only for fixing an implant surgical guide.
  • the guide fixation pin of the present invention provides a preoperative guide fixation pin used to position an implant surgical guide having at least two or more implant surgical guide sleeves relative to the jawbone.
  • the pre-operative guide fixing pin is a guide that is used only to fix the implant surgical guide at the same position of the implant forming cavity before the implant forming cavity is first created (referred to herein as “pre-operative”). It is a fixed pin.
  • the guide fixing pin is coaxial with the guide fixing portion that is longer in the axial direction than the long axis length of the guide sleeve and has an outer diameter substantially the same as the inner diameter of the guide sleeve, and at the lower end of the guide fixing portion.
  • a jawbone fixing part which is integrally connected and has a diameter smaller than the outer diameter of the guide fixing part.
  • the guide fixing portion restricts the radial movement of the preoperative guide fixing pin with respect to the guide sleeve when the preoperative guide fixing pin is inserted into the guide sleeve, and the jawbone fixing portion is When the guide fixing pin is inserted into the guide sleeve, the guide fixing pin is inserted into a hole for a preoperative guide fixing pin provided below the guide sleeve.
  • the jawbone fixing part can be formed with a screw groove in a part of the axial direction, and can be firmly fixed to the jawbone.
  • Another aspect of the present invention is an intraoperative guide fixing pin (guide fixing pin for implant forming cavity) used for positioning an implant surgical guide having at least two guide sleeves for implant surgery with respect to the jawbone.
  • a guide fixing portion that is longer in the axial direction than the major axis length of the guide sleeve and has an outer diameter that is substantially the same as the inner diameter of the guide sleeve, and is integrally connected coaxially at the lower end of the guide fixing portion; And a jawbone fixing part having a diameter smaller than the outer diameter of the fixing part.
  • the guide fixing portion regulates radial movement of the intraoperative guide fixing pin with respect to the guide sleeve when the intraoperative guide fixing pin is inserted into the guide sleeve, and the jawbone fixing portion is configured to move the intraoperative guide fixing pin to the guide sleeve.
  • the guide sleeve When inserted into the guide sleeve, it is preferably inserted into a drill-forming cavity that has been opened in advance for creating an implant-forming cavity provided below the guide sleeve.
  • Still another aspect of the present invention provides a guide fixing pin set composed of one preoperative guide fixing pin and at least one intraoperative guide fixing pin according to claim 3.
  • the guide fixing portion of the preoperative guide fixing pin and the guide fixing portion of the intraoperative guide fixing pin have substantially the same outer diameter.
  • the present invention also provides a method for performing an implant operation while positioning and fixing an implant operation guide having at least two guide sleeves for implant operation with respect to the jawbone.
  • this implant operation method at least the step of positioning the implant operation guide at a predetermined position, the preoperative guide fixing pin is inserted into any of the guide sleeves, and the jawbone fixing portion is attached to the jawbone.
  • preoperative and intraoperative guide fixing pins of the present invention and the method of performing an implant operation using these, it is possible to avoid inserting the guide fixing pins into gingiva etc. unrelated to a separate implant operation as in the prior art. It is possible to fix the guide for implant surgery and the jawbone just by using the implant formation fossa, which is indispensable to create in implant surgery, there is no burden on the patient, and it does not give unnecessary wounds after surgery There is.
  • Step 1 First, as pre-operative steps, 1) one of guide sleeves is determined in the guide for implant surgery, and a drilling operation is performed on this guide sleeve in the same manner as in creating a normal implant formation cavity. At this time, the drill uses a drill with a diameter smaller than that of creating a normal implant formation fossa, and a pin hole in the jawbone (drill formation fossa: The drill formation fossa means the formation fossa in the target drill in general) Create The details of the configuration of the guide fixing pin will be described later.
  • Step 2 A guide fixing pin for a preoperative drill composed of a guide fixing portion having an outer diameter substantially the same as that of the guide sleeve and an outer diameter jaw fixing portion corresponding to the diameter of the drill forming fossa is provided as a guide for the implant surgical guide. Insert into the sleeve. At this time, the guide fixing portion is engaged with the guide sleeve to support the implant operation guide.
  • a jawbone fixing part is inserted into the drill formation fossa.
  • the jawbone fixing part preferably has a screw thread, and is screwed into the drill forming fossa as it is. Therefore, the preoperative guide fixing pin fixes the dentition and the guide for implant surgery through the guide sleeve.
  • the guide is fixed to the implant surgical guide and the dentition just by creating a drill formation fossa for the guide fixation pin at a place where an implant formation fossa is to be created in the future. And avoid the sheepness of hurting the patient in a place unrelated to the implant formation fossa.
  • Steps 1 and 2 are work steps used when the implant surgical guide is fixed to the dentition using both the preoperative guide fixing pin and the intraoperative guide fixing pin described later, and only the intraoperative guide fixing pin is used.
  • the guide fixing work may be performed from the following step 3.
  • Step 3 In the operation of Step 3, an intraoperative guide fixing pin is used. First, the case where a preoperative guide fixing pin is used will be described. In step 2, the implant operation guide is fixed to the dentition. For this reason, actual implant placement work is required as the next work.
  • a guide sleeve other than the guide sleeve in which the preoperative guide fixing pin has already been inserted (hereinafter referred to as a second guide sleeve) is selected.
  • a drilling cavity is created with the selected second guide sleeve.
  • Step 4 An intraoperative guide fixing pin, which will be described later, is inserted into the implant formation cavity created in step 3 above. Thereby, the guide for implant surgery can be fixed using the implant formation fossa.
  • Step 3 and Step 4 are performed at other guide sleeve positions. This makes it possible to sequentially create all desired implant formation pits.
  • the intraoperative guide fixing pins already inserted in step 4 are extracted, and the intraoperative guides inserted into other guide sleeves are extracted.
  • Implant can be carried out with the implant surgical guide fixed with fixing pins (preferably two or more), and the implanted implant itself can be used for fixing the implant surgical guide in the same manner as the guide fixing pin. Conceivable.
  • the preoperative guide fixing pin it is preferable to perform the drilling operation of the implant forming cavity by extracting other drill forming cavity and the intraoperative guide fixing pin at a timing according to the implantation status of the implant. .
  • the preoperative guide fixing pin 10 includes a jaw fixing part 14, a guide fixing part 12, and a head part 16 on one axis.
  • the jawbone fixing portion 12 has a length that protrudes below the guide sleeve (downward in the drawing).
  • a head portion 16 is disposed above the guide fixing portion 12 (on the left side of the drawing).
  • a serrate structure (groove) is formed on the outer surface of the head portion 16 in whole or in part.
  • the preoperative guide fixing pin 10 is inserted into the guide sleeve of the implant surgical guide, and the guide fixing portion 12 having an outer diameter substantially the same as the inner diameter of the guide sleeve.
  • the guide sleeve and the preoperative guide fixing pin 10 are fixed at the time of fixation.
  • the jawbone fixing portion 14 since the guide fixing portion 12 has an axial distance similar to that of the guide sleeve, the jawbone fixing portion 14 having a diameter smaller than that of the guide fixing portion 12 protrudes downward from the guide for implant surgery. And this jawbone fixing
  • the jawbone fixing part 14 may be inserted into the jawbone in a state where a predetermined hole is drilled with a thin-diameter drill and guided by the distal end part 14a.
  • the jawbone fixing part 14 may be directly drilled and inserted into the jawbone.
  • a drill groove (tap shape) is usually provided for a predetermined length from the tip end portion 14a in the whole or a part of the outer surface, at least in the axial direction.
  • the intraoperative guide fixing pin 20 includes a jaw fixing part 24, a guide fixing part 22, and a head part 26 on one axis.
  • the jaw bone fixing portion 22 has a length that protrudes below the guide sleeve (downward in the drawing).
  • a head portion 26 is disposed above the guide fixing portion 22 (on the left side of the drawing).
  • a serrate structure (groove) is formed on the outer surface of the head portion 26 in whole or in part.
  • the preoperative guide fixing pin 20 may be suddenly inserted into the guide sleeve of the implant surgical guide.
  • the pin 10 is inserted into another guide sleeve in a fixed state.
  • the guide fixing portion 22 having an outer diameter substantially the same as the inner diameter of the guide sleeve.
  • the guide sleeve and the preoperative guide fixing pin 20 are fixed.
  • the jawbone fixing portion 24 since the guide fixing portion 22 has an axial distance approximate to that of the guide sleeve, the jawbone fixing portion 24 having a smaller diameter than the guide fixing portion 22 protrudes downward from the implant operation guide. And this jawbone fixing
  • the jawbone fixing part 24 needs to be inserted into the already formed implant forming pit so as not to damage the implant forming pit. Therefore, the jawbone fixing portion 24 of the intraoperative guide fixing pin 20 is not pointed at the tip and is not provided with a drill groove on the outer surface.
  • FIG. 3 and 4 show a state in which the intraoperative guide fixing pin 20 is inserted from the preoperative guide fixing pin 10 sequentially from the left (FIGS. 3 (a) to (c), FIGS. 4 (c) to (f). )).
  • FIG. 5 it is the schematic view which looked at the guide sleeve 30 for implant surgery from the upper direction.
  • a drill forming cavity 34 is formed by drilling a hole in the jawbone in which the guide sleeve A hole is positioned with a fixed drill 32.
  • the formed state is shown in step (b).
  • the preoperative guide fixing pin 10 is screwed into the drill forming cavity 34 created in steps (a) to (b).
  • the outer diameter of the jawbone fixing portion 14 is larger than the inner diameter of the drill forming cavity 34. It is because it is fixed firmly.
  • a screw groove may be provided above the jawbone fixing portion 14 in a portion positioned on the jawbone, particularly a relatively hard cortical bone. As a result, the jawbone and the preoperative guide fixing pin 10 are fixed.
  • the guide fixing portion 12 is inserted along the inner wall of the guide sleeve 30.
  • the axial length of the guide fixing portion 12 is preferably equal to or greater than the height of the guide sleeve 30, and the outer diameter of the guide fixing portion 12 and the inner diameter of the guide sleeve 30 are preferably substantially the same.
  • the intraoperative guide fixing pin 20 is inserted into the guide sleeve 30 forming the B hole on the left side of FIG. 4 with the preoperative guide fixing pin 10 fixed. Is shown.
  • an implant formation cavity 42 is formed with a normal drill 40.
  • This process is generally the same as the process of creating the implant formation cavity, and the drill 40 is inserted into the guide sleeve 30 while being guided by the through wrench 44.
  • the implant formation fossa 42 can also be formed without shaft shake or the like.
  • the implant formation pit 42 is formed to have a diameter of 2 mm or 3 mm in the same manner as a normal implant formation pit.
  • the intraoperative guide fixing pin 20 is inserted into the implant formation cavity 42.
  • a new implant formation cavity is created with the implant operation guide fixed by the pins 10 and 20 inserted by extracting the preoperative guide fixation pin 10 and the intraoperative guide fixation pin 20. To do.
  • the implant is fixed, it has the same effect as the preoperative guide fixing pin 10.
  • the implant surgical guide can be fixed by utilizing a normal process for creating an implant formation cavity without damaging the jawbone at all.
  • FIG. 6 shows the main surgical steps in the order of (a) to (i)
  • FIG. 7 shows the main surgical steps in the order of (a) to (j).
  • Each figure shows the right dentition, implant planned site, remaining tooth, 1.5mm formation fossa, 2.0mm formation fossa, 3.0mm formation fossa, preoperative guide fixation pin, intraoperative guide fixation Visually follow the pin display.
  • FIG. 6A a dentition missing part including a plurality of implant placement sites is shown.
  • a 1.5 mm formation fossa is created with a drill at the site to be implanted (FIG. 6B), and the preoperative guide fixing pin 10 is inserted and fixed at that site (FIG. 6C).
  • formation pits are formed in order of ⁇ 2.0 mm and ⁇ 3.0 mm in the planned implantation site where the preoperative guide fixing pin 10 is not fixed (FIGS. 6D and 6E).
  • the intraoperative guide fixing pin 20 is inserted and fixed in any of the forming cavities formed with ⁇ 3.0 mm, and then the preoperative fixing pin 10 is removed (FIG.
  • FIGS. 6D and 6E formation pits are created in order of ⁇ 2.0 mm and ⁇ 3.0 mm in the planned implantation site where the preoperative guide fixing pin 10 has been removed (FIGS. 6G and 6H). )). Finally, if the intraoperative guide fixing pin is removed, the formation of the formation cavity for implant placement is completed (FIG. 6 (i)).
  • FIG. 7A a dentition missing portion including a plurality of implant placement sites is shown.
  • FIG. 7B a formation cavity having a diameter of 1.5 mm is created by a drill at the site to be implanted (FIG. 7B), and the preoperative guide fixing pin 10 is inserted and fixed at the site (FIG. 7C).
  • a formation cavity having a diameter of 2.0 mm is created by a drill in the planned implantation site where the preoperative guide fixing pin 10 is not fixed (FIG. 7D).
  • the steps so far are the same as in the first embodiment of FIG.
  • the intraoperative guide fixing pin 20 having a diameter of 2.0 mm is inserted and fixed in the forming cavity formed with a diameter of 2.0 mm, and then the preoperative guide fixing pin 10 is removed (FIG. 7E). Then, a ⁇ 2.0 mm formation fossa is drilled in the formation fovea from which the preoperative guide fixing pin 10 has been removed (FIG. 7 (f)), and a ⁇ 2.0 mm formation fossa is drilled into the ⁇ 3.0 mm formation fovea (Fig. 7 (g)).
  • an intraoperative guide fixing pin 20 having a diameter of 3.0 mm is inserted and fixed in a forming cavity formed with a diameter of 3.0 mm, and the intraoperative guide fixing pin 20 having a diameter of 2.0 mm is removed (FIG. 7H). Then, the remaining ⁇ 2.0 mm formation fossa is made into a ⁇ 3.0 mm formation fossa with a drill (FIG. 7 (i)), and finally the ⁇ 3.0 mm intraoperative guide fixing pin 20 is removed to complete (FIG. 7 (j )).

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial 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)
  • Dental Prosthetics (AREA)

Abstract

La présente invention a pour objet une broche d'apposition de guide utilisée pour positionner sur une mâchoire un guide de chirurgie implantatoire ayant au moins deux gaines de guidage pour chirurgie implantatoire ou plus. La broche d'apposition de guide est pourvue : d'une section d'apposition de guide ayant une longueur axiale supérieure à la longueur des gaines de guidage dans leur direction longitudinale et ayant un diamètre externe sensiblement identique au diamètre interne des gaines de guidage ; et d'une section destinée à être apposée sur la mâchoire, la section étant reliée coaxialement et intégralement à la section d'apposition de guide à son extrémité inférieure et ayant un diamètre plus petit que le diamètre externe de la section d'apposition de guide.
PCT/JP2010/066598 2009-09-24 2010-09-24 Broche d'apposition de guide et méthode de réalisation d'une chirurgie implantatoire utilisant celle-ci WO2011037206A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009219796A JP4971401B2 (ja) 2009-07-17 2009-09-24 ガイド固定ピン
JP2009-219796 2009-09-24

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WO2011037206A1 true WO2011037206A1 (fr) 2011-03-31

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63275335A (ja) * 1987-05-01 1988-11-14 K K Dentaru Service:Kk 人工歯根用チヤンネル成形器
JP2000512868A (ja) * 1996-06-27 2000-10-03 メデヴェロープ アーベー 義歯システム、義歯システムの構成要素およびこのような義歯システムのための方法
JP2005518834A (ja) * 2002-02-28 2005-06-30 マテリアライズ・ナムローゼ・フエンノートシャップ 歯科インプラントを配置するための方法および装置
US20060223029A1 (en) * 2005-03-30 2006-10-05 Uzi Berger Method and system for fixing removable dentures
JP2010125322A (ja) * 2008-12-01 2010-06-10 Straumann Holding Ag 固定ピン

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63275335A (ja) * 1987-05-01 1988-11-14 K K Dentaru Service:Kk 人工歯根用チヤンネル成形器
JP2000512868A (ja) * 1996-06-27 2000-10-03 メデヴェロープ アーベー 義歯システム、義歯システムの構成要素およびこのような義歯システムのための方法
JP2005518834A (ja) * 2002-02-28 2005-06-30 マテリアライズ・ナムローゼ・フエンノートシャップ 歯科インプラントを配置するための方法および装置
US20060223029A1 (en) * 2005-03-30 2006-10-05 Uzi Berger Method and system for fixing removable dentures
JP2010125322A (ja) * 2008-12-01 2010-06-10 Straumann Holding Ag 固定ピン

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