WO2014117790A1 - Système d'implant, emballage et procédé d'implantation - Google Patents

Système d'implant, emballage et procédé d'implantation Download PDF

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Publication number
WO2014117790A1
WO2014117790A1 PCT/EP2013/000297 EP2013000297W WO2014117790A1 WO 2014117790 A1 WO2014117790 A1 WO 2014117790A1 EP 2013000297 W EP2013000297 W EP 2013000297W WO 2014117790 A1 WO2014117790 A1 WO 2014117790A1
Authority
WO
WIPO (PCT)
Prior art keywords
insert body
packaging
jawbone
bone
implant
Prior art date
Application number
PCT/EP2013/000297
Other languages
German (de)
English (en)
Inventor
Heinz-Dieter Unger
Original Assignee
Heinz-Dieter Unger
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 Heinz-Dieter Unger filed Critical Heinz-Dieter Unger
Priority to PCT/EP2013/000297 priority Critical patent/WO2014117790A1/fr
Publication of WO2014117790A1 publication Critical patent/WO2014117790A1/fr

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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
    • A61C8/0024—Self-screwing with self-boring cutting edge
    • 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
    • A61C1/084—Positioning or guiding, e.g. of drills of implanting tools
    • 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
    • A61C8/0087—Means for sterile storage or manipulation of dental implants

Definitions

  • the invention relates to a packaging for a temporary or permanent engagement in a jaw bone provided insert body, in particular a drill and / or an implant body, according to the preamble of claim 1 or claim 3 and an implant device with at least one temporarily or permanently engaging in a jawbone Insert body according to the preamble of claim 8 and an implanting method according to the preamble of claim 17.
  • the invention is based on the problem of achieving an improvement here.
  • the invention solves this problem by a package for an insert body with the features of claim 1 or claim 3, which may be implemented individually or in combination with each other, and by an implant device with the features of claim 8 and by a method having the features of Claim 17.
  • a package for an insert body with the features of claim 1 or claim 3 which may be implemented individually or in combination with each other, and by an implant device with the features of claim 8 and by a method having the features of Claim 17.
  • the packaging of claim 1 opens up a possibility 'to use a temporary or permanent insert body at one end to a Einwindtechnikzweug and still keep the insert body at least with his other, provided for contacting the bone while still sterile, without this exposed already pathogens would .
  • the practitioner must neither touch or one when connecting with the insertion tool of the insert body Exposure to airborne contamination so that sterility can be maintained until it is inserted into the bone.
  • the screwing-in tool comprises an angle piece which can be latched into the insert body and the latched position can be controlled while the insert body remains sterile, at least with its end in contact with the bone, it must also be in the phase after the insert body has been connected to the screwing tool the sterility of the bone contacting end can not be completed.
  • the possibility for pathogens to contamination is thereby significantly reduced.
  • the practitioner can lock an angle piece of the screwing-in tool with one hand and hold the packaging with the other hand without violating the sterility.
  • the packaging forms or comprises a sleeve body which is flexibly compressible and can be clamped between two teeth or in a drilling template, sterility can be maintained even while the insert body is driven forward into the bone.
  • the insert body must not be held by hand nor transported through the air, but the sleeve body can be placed directly on the bone and serve as a guide for the insert body during its insertion into the bone.
  • the sleeve body at least one holding or delaying spring element, against the pressure of the k 'örper in the sleeve body is voranbewegbar in basal direction.
  • the counter-pressure of the spring element can grow with increasing propulsion, so that the insert body in particular can not "fall” into a potentially hit bone cavity, but is gently braked.
  • the sensitivity and accuracy of the propulsion can be further optimized if the sleeve body has a length scale for controlling the forward movement of the insert body in the jaw bone, for example, a millimeter scale on which is read, how far the insert body already in the longitudinal direction from its original position in the sleeve body was shifted longitudinally.
  • the insert body within the sealed region can be moved out of its individual packaging and inserted into the bone. Then, even with this critical process step, the immigration of pathogens is almost impossible.
  • a seal can be achieved, for example, via a sealing ring, in particular a silicone ring, or a drastic edge on the end of the package facing the bone in the position of use.
  • insert body may be a drill, which is only temporarily screwed into the bone, or an implant body, which permanently remains as anchor of a dental prosthesis in the jaw bone - or, as described in more detail below, a combination of both.
  • the insert body can serve as a drill in a double function and as remaining in the jaw bone implant body. Then no once introduced into the bone tool must be removed from this again, so that the Bohrstelle is open at any time and can provide an immigration opportunity for pathogens.
  • the individual packaging can be designed in particular in the form of a sleeve, which can be held aligned in the patient's mouth by means of a drilling template.
  • the sleeve inner diameter is not substantially greater than the outer diameter of an insert body which can be held therein.
  • the individual packaging is flooded until the opening of a closure with a liquid, such as a NaCl solution, which wets the drilling site when moving out of the insert body and thereby causes both a cooling and a Sterilhalten the Bohrstelle.
  • a liquid such as a NaCl solution
  • the insert body can be provided favorably over its outer circumference with a multiplicity of threads, each of which projects from radially recessed and axially elongated grooves are interrupted for receiving bone meal resulting from drilling.
  • the receiving volume is particularly large when the grooves are at least 75% of the insert length of the insert body extending into the jawbone and occupy at least in the vicinity of a basal end of the insert body more than 50% of its circumference.
  • the process of the invention is characterized in that the insert body - be it a drill or an implant body or a combination of both - is introduced in a sterile single packaging into the mouth of the patient and the packaging only there to attack a tool on the one hand and to release a Way of the insert body from the package in the bone on the other hand is opened, a transport of the insert body outside a sterile environment almost or completely avoidable. The risk of infection of the insert tool is thereby minimized or completely excluded.
  • FIG. 1 is an overview of a possible method according to the invention for handling an implant device with here an implant body, which represents a drill and an anchor of a dental prosthesis in a dual function
  • FIG. 2 shows an implant device as shown in FIG. 1 in an enlarged detail view in its sterile position in the packaging
  • FIG. FIG. 3 is a view similar to FIG. 2, wherein here additionally a spring element is provided with spring force effective against the ejection
  • an exemplary insert body which here is designed as a drill and armature of a dental prosthesis in a double function, in a schematic side view, a longitudinal view of the insert body according to FIG 3, wherein two opposing grooves are visible
  • a spring element is provided with spring force effective against the ejection
  • an exemplary insert body which here is designed as a drill and armature of a dental prosthesis in a double function, in a schematic side view, a longitudinal view of the insert body according to FIG 3, wherein two opposing grooves are visible
  • FIG. 7 is a view from the direction of arrow VII in Figure 4.
  • Fig. 8 is a view similar to Figure 2, but here as
  • the packaging 10 shown here is used for receiving in each case one at least one for temporary intervention in a - in particular human - jaw bone 2 provided insert body 1, 1 a.
  • This can in particular form a pure drill 1a (FIG. 8) and / or an implant body 1, as well as an implant body 1, which also forms a drill in a dual function (FIG. 2).
  • the package 10 may be formed differently and is at least substantially longitudinally extending. It comprises a sleeve body 10a with a For example, round cylindrical receiving space 19 for the preferred fit therein insert body 1, l a.
  • the package 10 may be formed of the same material and in particular have transparent walls. It is understood that the package 10 is also traded unexposed and at a practitioner or in a laboratory, the assembly - even several times - can be made.
  • the packaging 10 can also be designed in several parts.
  • the sleeve body 10a equipped with an insert body 1, 1a can be opened on one side for applying a screwing tool to the insert body 1 or la, for example by screwing on a cover 10b (FIG. 8) or by mounting the closure 11 (FIG. 1, FIG 2) so that a shoulder area AB of the insert body 1, 1a which does not come into contact with the bone 2 is free for attaching a screwing tool, while in this opening state the insert body 1, la continues to contact the bone KB 2 at least in its operative position remains sterile.
  • the attachment area AB can form approximately an external or internal hexagon (FIG. 7).
  • the screwing tool may include a latchable in the insert body 1, la angle.
  • the locked position of the angle piece on the approach area AB is controllable, such as by the angle piece in one hand and the insert body 1, la can be held in its only one-side opened package 10 in the other hand.
  • the insert body 1, la is still kept sterile at least with its in use position the bone contacting end KB, although the insert body 1, la in this position controlled by grasping the package 10 can be held in the hand.
  • the sleeve body 10a may be made of plastic, for example, and be slightly flexible and resiliently compressible in the radial direction, so that it can be clamped in a single-tooth implant between two teeth or in a drilling template 9.
  • the sleeve body 10a at least one holding and / or spring element 13, 24 comprises, against the pressure of the insert body 1, l a in the sleeve body in the basal direction is moved forward.
  • a helical spring 2. 2 is shown in FIG. 8, the restoring force of which increases with further impressions. The insertion of the insert body 1, l a in the bone can be done very sensitive and controlled.
  • the sleeve body 10a has a length scale 25 for checking the forward movement of the insert body 1 or 1a into the jawbone 2.
  • the exemplary embodiment shown in FIG. 2 in single part illustration and only by way of example includes a special insert body 1, namely one that is permanently anchored in a jaw bone of a dental prosthesis or, as shown here, a combination of a drill and an implant body.
  • the insert body 1a could also, as in FIG. 8, form a pure drill engaging only temporarily in a jawbone 2 or a pure implant body without a drilling function.
  • the insert body 1, la is formed for example of titanium or a titanium alloy and kept sterile before its use in the initially closed on all sides individual packaging 10, which has already been described above.
  • the individual packaging 10 according to Figure 1 and Figure 2 here comprises a one-piece, tubular sleeve body 10a, which receives the insert body 1 in itself and by two end-side, opposing closures 1 1, 12 an insert body 1 receiving interior 19 closes tightly.
  • a detachable lid 10b is provided, upon the opening of which the area KB of the insert body 1, 1a which remains in the bone remains sterile.
  • the interior 19 is filled with a liquid, such as a NaCl solution.
  • the implanting device 20 can be placed in the closed position - and thus in sterile support of the insert body 1, la - in the mouth of a patient and there aligned, for example via a drilling template 9 so that the individual package 10 is perpendicular to a surface of the jawbone 2 ,
  • This position is shown for example in the third image of Figure 1, where there already in the second image top and bottom closures 1 1, 12 have been removed.
  • the closures 1 1, 12 are still closed.
  • the jaw bone 2 facing closure 1 1, for example, by engaging in a laterally accessible loop 2 1 are also pulled out laterally in this position.
  • the opposite closure 12 can be pulled off, for example, upwards.
  • the individual packaging 10 can make sealing contact with the bone 2, wherein for sealing on the bone 2 facing edge 22 of the implant device, a sealing ring, for example of silicone, may be provided.
  • a sealing ring for example of silicone
  • the edge 22 is formed incising and can be easily pressed by a practitioner in the bone 2, for example manually.
  • the individual packaging 10 shown and sterilized comprises a round-cylindrical sleeve 10a, the inner diameter of which has only a slight oversize relative to an insert body 1 held therein.
  • a sleeve 10a can be easily held in a corresponding recess 23 made in the laboratory or in the mouth of the patient drilling template 9. This can be light-curing, for example.
  • the sleeve 10 a itself provide a guide during drilling, so that on an outer template 9 u. U. can be omitted. In particular, this can also be supported on adjacent teeth in a single-tooth implant.
  • the insert body 1, la is in the sleeve 10a not only on the end-side closures 1 1, 12 secured, but may additionally be secured in position such that he, for example, a circumferential silicone ring, a frictional annular surface or other holding and / or resilient elements 13, 24 even with already opened closures 1 1, 12 and 10 b, its position initially retains. Only by pressure in a possibility of engagement 8, for example, a hexagon, used drilling tool 15, the insert body 1 is then pushed out axially beyond the holding elements 13 and / or against the force of the spring 24 toward the bone 2 out of the sleeve 10a.
  • extension speed limiting means 24 for example friction or spring elements, such as the coil spring shown in FIG. 8, can be provided on the edge of the sleeve 10a. These prevent the insert body 1, l a at a sudden decreasing resistance, such as when a bone cavity is drilled, penetrates too much accelerated into the jaw.
  • the above NaCl solution can cool the drill site and keep it sterile.
  • a moistening of the drilling site is advantageous.
  • the sleeve 10a can serve as a sealing supply line, so that the liquid can be used effectively and without great loss.
  • the insert body 1 is provided over its axial extent with a plurality of threads 3a, 3b, ..., the dimensions and distances can vary over the axial course.
  • the pitch is consistent here with 5 1, 3 ° just mentioned as an example, the threads 3a, 3b, ... are self-tapping.
  • the permanently remaining insert body 1 may have a slightly widening from the basal to the occlusal end shape of its base body 5, wherein the outer edges of the threads 3a, 3b, ... lie on the lateral surface of a round cylinder. Consequently, the basal threads 3a continue to project radially outward of the base body than the occlusal threads 3b.
  • the threads 3a, 3b, ... are interrupted over their circumference in each case several times by radially recessed and axially elongated grooves 6, wherein the interruptions are formed in the axial direction over a wide range of the insert length 4 of the insert body 1.
  • the grooves 6 each extend in the axial direction in alignment over a plurality of threads.
  • the channels 6 extend over at least 75% of the insert length 4 of the insert body 1 into the jawbone 2.
  • the grooves 6 are formed as flutes, the exact configuration of the groove bottom 7 can vary over the axial course ,
  • the grooves 6 are open to their gutter base, so that in view of basal (not shown here) shows an approximately star-shaped body of the implant body 1, but at the basal end, the grooves 6 radially even deeper inward, such as For example, in the stepped representation of the channel bottom 7 in Figure 4 becomes clear.
  • the channels 6 can be closed, so that in them during a drilling operation absorbed bone meal remains in the grooves 6 and thus is available for healing of the bone to the implant body 1.
  • the channels 6 can be closed so that at least in the basal part of the threads 3a, ... and / or these interrupting grooves 6 is polished so that a smooth, facilitating the drilling process surface is formed while another part of the Threads 3a, ... and / or the grooves 6 is provided with a surface roughness.
  • the bone material accumulates faster on the rough surfaces, so that targeted control of the osseointegration is possible due to the mentioned different surface designs.
  • the body 5 may be polished with the threads 3a in the basal area, while the groove bottom 7 are provided with a rough surface. In contrast, reverse conditions are possible.
  • the area occupied by the here axially rectilinear grooves 6 is considerable.
  • at least in the vicinity of the basal end BE more than 50% of the circumference of the implant body 1 are formed by recessed channels 6 and thus represent recessed areas. This is a large volume for receiving emerging during insertion of the implant bone meal available.
  • the channels 6 are distributed equidistantly over the circumference of the insert body 1.
  • ten channels 6 are provided according to FIG. The number may vary.
  • the implant device 20 with the insert body 1 is inserted into the patient's mouth in a sterile manner and the package 10 of the insert body is only opened there.
  • the guided at least through the sleeve insert body 1 can without pre-drilling in the jaw bone. 2 be used and therefore both as a drill and as permanently in the bone 2 remaining and a superstructure supporting anchor of an implant serve.
  • the screwing in can take place slowly, but with a high torque, in which case the above-mentioned liquid cooling is helpful in particular.
  • the bone material removed during drilling via the self-tapping tip and the threads 3a,... And possibly further cutting edges can be collected and compacted in the large-volume, elongated return grooves 6, whereby bone material can be conveyed in the occlusal direction during drilling.
  • the compaction is particularly large when the grooves 6 are closed at the occlusal end, so that all drill chips remain in the hole and can not leave them to the outside.
  • Body 24 resilient elements

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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)
  • Orthopedic Medicine & Surgery (AREA)
  • Dental Prosthetics (AREA)

Abstract

L'invention concerne un système d'implant (20) comprenant au moins un corps d'insertion (1), en particulier un foret et/ou un corps d'implant, s'engageant temporairement ou durablement dans un os de mâchoire (2) - en particulier humain. Le système d'implant est conçu de telle manière que le corps d'insertion (2) soit gardé stérile dans un emballage individuel (10) fermé de tous les côtés avant son insertion dans la bouche d'un patient, l'emballage individuel (10) stérile pouvant être orienté perpendiculairement à une surface de l'os de la mâchoire (2) dans la bouche du patient et le corps d'insertion (1) pouvant être transféré, après ouverture d'une fermeture (11), de l'emballage (10) dans l'os de la mâchoire (2).
PCT/EP2013/000297 2013-01-31 2013-01-31 Système d'implant, emballage et procédé d'implantation WO2014117790A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/000297 WO2014117790A1 (fr) 2013-01-31 2013-01-31 Système d'implant, emballage et procédé d'implantation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/000297 WO2014117790A1 (fr) 2013-01-31 2013-01-31 Système d'implant, emballage et procédé d'implantation

Publications (1)

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WO2014117790A1 true WO2014117790A1 (fr) 2014-08-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0323559A2 (fr) * 1987-12-04 1989-07-12 Pier Maria Mondani Implant dentaire auto-taraudant
US20050059864A1 (en) * 2001-12-05 2005-03-17 Ophir Fromovich Periosteal distraction
EP1523954A1 (fr) * 2003-10-16 2005-04-20 Straumann Holding AG Capsule en un copolymére cyclique d'oléfines pour la conservation d'un objet médical
DE202008002419U1 (de) * 2008-02-21 2008-04-17 Aesculap Ag & Co. Kg Magazin zur Aufnahme mindestens einer Knochenschraube und Knochenplatte mit einem derartigen Magazin
WO2008087356A2 (fr) * 2007-01-02 2008-07-24 Michel Isidori Dispositif de guidage et de modelage osseux pour la preparation de sites osseux en chirurgie implantaire
EP2246007A1 (fr) * 2009-04-28 2010-11-03 Nanolize GmbH Système de forage dentaire

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0323559A2 (fr) * 1987-12-04 1989-07-12 Pier Maria Mondani Implant dentaire auto-taraudant
US20050059864A1 (en) * 2001-12-05 2005-03-17 Ophir Fromovich Periosteal distraction
EP1523954A1 (fr) * 2003-10-16 2005-04-20 Straumann Holding AG Capsule en un copolymére cyclique d'oléfines pour la conservation d'un objet médical
WO2008087356A2 (fr) * 2007-01-02 2008-07-24 Michel Isidori Dispositif de guidage et de modelage osseux pour la preparation de sites osseux en chirurgie implantaire
DE202008002419U1 (de) * 2008-02-21 2008-04-17 Aesculap Ag & Co. Kg Magazin zur Aufnahme mindestens einer Knochenschraube und Knochenplatte mit einem derartigen Magazin
EP2246007A1 (fr) * 2009-04-28 2010-11-03 Nanolize GmbH Système de forage dentaire

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