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WO2016056123A1 - Implant, dispositif de fixation et butée - Google Patents

Implant, dispositif de fixation et butée Download PDF

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Publication number
WO2016056123A1
WO2016056123A1 PCT/JP2014/077204 JP2014077204W WO2016056123A1 WO 2016056123 A1 WO2016056123 A1 WO 2016056123A1 JP 2014077204 W JP2014077204 W JP 2014077204W WO 2016056123 A1 WO2016056123 A1 WO 2016056123A1
Authority
WO
WIPO (PCT)
Prior art keywords
identification information
fixture
individual identification
abutment
implant
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.)
Ceased
Application number
PCT/JP2014/077204
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English (en)
Japanese (ja)
Inventor
石渡暉夫
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.)
NANTOH Co Ltd
Original Assignee
NANTOH Co Ltd
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 NANTOH Co Ltd filed Critical NANTOH Co Ltd
Priority to PCT/JP2014/077204 priority Critical patent/WO2016056123A1/fr
Publication of WO2016056123A1 publication Critical patent/WO2016056123A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

Definitions

  • the present invention relates to an implant, a fixture, and an abutment.
  • the present invention relates to a dental implant that is embedded in a jaw bone in the case of a root defect of a permanent tooth.
  • Implants embedded in the body have attracted attention.
  • a dental implant is fixed in a hole provided in an alveolar bone when the root of a permanent tooth is lost due to decay or damage.
  • This dental implant is composed of a fixture (artificial tooth root) fixed to the alveolar bone and an abutment (abutment) screwed to the fixture.
  • An implant crown artificial dental crown is attached to the abutment.
  • the collation operation of the dental treatment record requires an operation of visually confirming the medical records and the like. It is not easy to find a medical record or the like matching a treatment mark of an unidentified person from a large amount of treatment records.
  • the description format of the chart is not uniform, even if the chart of an unidentified person is stored, this chart may be overlooked.
  • the introduction of electronic medical records with a unified (standardized) description format for dental treatment records has been studied, but it has not been realized due to various problems.
  • An object of the present invention is to provide an implant, a fixture, and an abutment capable of reliably and accurately performing traceability (tracking of the manufacturing / distribution history of articles). For example, it is to provide an implant, a fixture, and an abutment that can easily and accurately perform a collation operation of a dental treatment record when confirming the identity of an unidentified person.
  • a first embodiment of the implant of the present invention is an implant including a fixture embedded in a bone and an abutment inserted into the fixture, and one or both of the fixture and the abutment are provided for each individual.
  • the individual identification information given to is marked.
  • the second embodiment of the implant of the present invention is characterized in that, in the first embodiment, the individual identification information marked on the fixture and the individual identification information marked on the abutment are the same.
  • the third embodiment of the implant of the present invention is characterized in that, in the first embodiment, the individual identification information marked on the fixture is different from the individual identification information marked on the abutment.
  • the fourth embodiment of the fixture according to the present invention is characterized in that, in any of the first to third embodiments, the individual identification information is stamped by laser processing.
  • the fifth embodiment of the fixture according to the present invention is characterized in that, in any one of the first to fourth embodiments, the individual identification information is encoded and marked with an identifier representing a number or a character.
  • the first embodiment of the fixture of the present invention is a fixture embedded in a bone, and is characterized in that individual identification information given to each individual is marked on the tip exposed from the bone.
  • the second embodiment of the fixture according to the present invention is characterized in that, in the first embodiment, the individual identification information is marked on a distal end surface of the distal end portion facing away from the bone embedded in the bone. To do.
  • a first embodiment of the abutment according to the present invention is an abutment that is inserted into a fixture embedded in a bone and to which an artificial crown is attached, and an individual body is provided on a body portion excluding a shaft portion that is inserted into the fixture. It is characterized in that individual identification information given every time is marked.
  • the second embodiment of the abutment according to the present invention is characterized in that, in the first embodiment, the individual identification information is marked on an exposed surface of the main body portion excluding a portion covered with the artificial dental crown. To do.
  • traceability can be reliably and accurately performed. For example, when verifying the identity of an unidentified person, it is possible to easily and accurately check the tooth treatment record.
  • FIG. 1A is a top view
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1A is a top view
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (IVb-IVb cross section).
  • FIG. 1B is a longitudinal sectional view (
  • FIG. 1 It is a figure which shows a clamper, Comprising: It is (a) bottom view, (b) longitudinal cross-sectional view (VIIb-VIIb cross section). It is a figure which shows a lock nut, Comprising: (a) Bottom view, (b) Longitudinal section (VIIIb-VIIIb section).
  • FIG. 1 is a view showing an implant 5 according to an embodiment of the present invention.
  • the implant 5 is a dental implant used in the dental field.
  • the implant 5 includes a fixture 10 that is fixed to the alveolar bone (bone) 2 and an abutment unit 8 that is fitted into the fixture 10.
  • the center axis (longitudinal direction) of the implant 5 is taken as the Z axis (Z direction, depth direction, axial direction, vertical).
  • the fixture 10 side is the + Z side (+ Z direction)
  • the abutment 20 side is the ⁇ Z side ( ⁇ Z direction).
  • the bottom view is when viewed from the + Z direction
  • the top view is when viewed from the -Z direction.
  • the end in the + Z direction is called the base end (first end), and the end in the ⁇ Z direction is called the front end (second end).
  • a male screw 12 is formed on the base end side of the fixture 10.
  • the fixture 10 is fixed to the alveolar bone 2 by screwing the male screw 12 into a hole formed in the alveolar bone (bone) 2.
  • An artificial dental crown 6 is attached to the abutment unit (abutment 20) 8 using an adhesive or the like.
  • the proximal end side (male screw 12) of the fixture 10 is buried in the alveolar bone 2.
  • the distal end portion 11 (particularly, the distal end surface 11T) of the fixture 10 is exposed from the alveolar bone 2 and covered with the alveolar bone 2.
  • a part (exposed surface 21T) of the abutment unit 8 (abutment 20) is exposed between the alveolar bone 2 and the artificial dental crown 6 and covered with the alveolar bone 2.
  • FIG. 2 is an exploded perspective view of the implant 5 according to the first embodiment of the present invention.
  • FIG. 3 is a longitudinal sectional view of the implant 5 according to the first embodiment of the present invention.
  • the implant 5 includes a fixture 10 and an abutment unit 8.
  • the abutment unit 8 is an assembly of the abutment 20, the clamper pin 30, the clamper 40, and the lock nut 50.
  • the abutment unit 8 includes a shaft-shaped abutment 20, a shaft-shaped clamper pin 30, a ring-shaped clamper 40, and a lock nut 50.
  • An artificial crown 6 is attached to the abutment 20.
  • the clamper pin 30 is inserted into the through hole 24 of the abutment 20 and engages with the fixture 10.
  • the clamper 40 is fitted to the clamper pin 30.
  • the lock nut 50 is screwed (locked) to the abutment 20 and the clamper pin 30.
  • FIG. 4A and 4B are diagrams showing the fixture 10, wherein FIG. 4A is a top view and FIG. 4B is a longitudinal sectional view (IVb-IVb cross section).
  • the fixture 10 is an axial member formed of a ceramic material such as zirconia.
  • the fixture 10 is formed in a cylindrical shape, and a male screw 12 is formed on the outer peripheral surface thereof.
  • a center hole 13 is opened at the center of the end face on the ⁇ Z side of the fixture 10.
  • a tapered hole portion 14 In the center hole 13, a tapered hole portion 14, a reverse tapered hole portion 15, and an engagement hole portion 16 are continuously formed toward the + Z side.
  • the inner diameter of the tapered hole portion 14 is gradually reduced (reduced) from the end surface on the ⁇ Z side toward the + Z side.
  • the reverse tapered hole portion 15 gradually increases (increases in diameter) toward the + Z side.
  • the engaging hole portion 16 is formed with two parallel surfaces 16A composed of two parallel inner surfaces facing each other.
  • the taper angle of the taper hole 14 is, for example, 8 °.
  • the average diameter of the tapered hole portion 14 is, for example, 2 mm.
  • the length (depth) of the tapered hole portion 14 is formed to be 1/3 or more (for example, 4 to 5 mm) of the entire length (for example, 10 mm) of the fixture 10.
  • a plurality of protrusions 17 are formed along the Z direction on the inner peripheral side surface of the tapered hole portion 14.
  • the plurality of protrusions (rotation prevention hole portions) 17 are arranged at equal intervals (equal angles) in the circumferential direction of the center hole 13.
  • the number of protrusions 17 is five.
  • the number of protrusions 17 can be changed as appropriate.
  • the shape of the cross section perpendicular to the Z-axis of the protrusion 17 is a shape in which the top side (outer peripheral side) swells in a semicircular shape.
  • the minimum inner diameter of the reverse tapered hole 15 is smaller than the minimum inner diameter of the tapered hole 14. Therefore, a protruding portion (a retaining hole) 15A that protrudes to the inner peripheral side of the center hole 13 is formed at a connection portion between the tapered hole portion 14 and the reverse tapered hole portion 15.
  • the taper angle of the reverse taper hole 15 is, for example, 10 °.
  • the length (depth) of the reverse taper hole 15 is, for example, 2.5 mm.
  • the engaging hole portion 16 is composed of two opposing arc-shaped inner peripheral side surfaces and two parallel and opposing inner side surfaces.
  • the two inner surfaces are parallel two surfaces 16A.
  • the length (depth) of the engagement hole 16 is, for example, 1.2 mm.
  • the width (two surface widths) of the two parallel two surfaces 16A is, for example, 1.1 mm.
  • Individual identification information N ⁇ b> 1 is marked on the outer surface 10 ⁇ / b> S of the fixture 10.
  • the outer surface 10 ⁇ / b> S is a region of the fixture 10 excluding the center hole 13. That is, the outer surface 10 ⁇ / b> S includes the distal end portion 11 and the male screw 12.
  • the individual identification information N1 is stamped on an area of the outer surface 10S of the fixture 10 excluding the male screw 12. That is, the individual identification information N1 is imprinted on the distal end portion 11 exposed from the alveolar bone 2. Specifically, the individual identification information N1 is imprinted on the distal end surface 11T facing away from the direction embedded in the alveolar bone 2 (+ Z direction). In other words, the individual identification information N1 is stamped on the front end surface 11T facing the ⁇ Z direction.
  • the individual identification information N1 is imprinted on an arbitrary region of the tip portion 11 (tip surface 11T).
  • the area where the individual identification information N1 is imprinted may be one place or a plurality of places.
  • the size of the individual identification information N1 (area of the marking area) is arbitrary.
  • the individual identification information N1 is stamped using a laser processing machine.
  • the fixture 10 is formed by machining a material of titanium or a titanium alloy such as lathe.
  • the individual identification information N1 is marked by irradiating and engraving the tip portion 11 (tip surface 11T) of the fixture 10 with a laser beam.
  • the fundamental wave of the solid laser is used for the laser beam.
  • a fundamental wave of Nd: YAG laser or YVO4 laser (solid laser: wavelength 1064 nm, fiber laser: 1090 nm) can be used.
  • the light diameter (diameter) of the laser light is, for example, 5 to 50 ⁇ m.
  • the tip portion 11 (tip surface 11T) is engraved by irradiating the tip portion 11 (tip surface 11T) of the fixture 10 with laser light in the air. As a result, the individual identification information N1 is stamped on the tip portion 11 (tip surface 11T).
  • the reason why the individual identification information N1 is imprinted on the fixture 10 is to make it possible to identify the patient wearing the fixture 10 (implant 5). That is, when a patient who has embedded the fixture 10 (implant 5) becomes an unidentified person such as an unidentified body, identification can be performed based on the individual identification information N1 stamped on the fixture 10. It becomes. This is because the individual identification information N1 stamped on the fixture 10 is transferred to a dental treatment record (medical chart) stored by the dentist.
  • a dental treatment record medical chart
  • the individual identification information N1 is information that is given to the fixture 10 for each individual.
  • the individual identification information N1 is a so-called manufacturing number (such as a serial number). That is, the numbers, symbols, characters, and the like for the manufacturer to manage the fixture 10 individually.
  • the individual identification information N1 may be a number or a symbol that is different from the manufacturing number.
  • the production number and the individual identification information N1 may be stamped on the fixture 10 separately. That is, the individual identification information N1 only needs to be given a different number, symbol, or the like for each individual of the fixture 10.
  • the individual identification information N1 is printed as “NANTOH F12345”, for example. “NANTOH” is manufacturer information of the fixture 10. “F” means fixture. “12345” is a manufacturing number (serial number). The date of manufacture may be added to the individual identification information N1.
  • the fixture 10 Since the fixture 10 is fixed to the alveolar bone 2, the possibility of being removed is very low. For this reason, it is excellent as a means for identifying an individual.
  • the distal end portion 11 of the fixture 10 is exposed from the alveolar bone 2.
  • the distal end surface 11T is exposed from the alveolar bone 2.
  • the individual identification information N1 can be visually recognized by removing or withdrawing the gum 4. Since it is not necessary to remove the fixture 10 from the alveolar bone 2, the individual identification information N1 can be easily viewed. Note that a magnifying glass, a microscope, or the like may be used for visual recognition of the individual identification information N1.
  • the manufacturer of the fixture 10 stores an individual identification information management ledger of the fixture 10.
  • information such as type, date of manufacture, sales destination (sales agency, medical institution), date of sales, etc. is recorded in association with the manufacturing number of the fixture 10.
  • the abutment 20 includes a main body portion 21 and a tapered shaft portion 22.
  • An artificial dental crown 6 is attached to the main body 21.
  • the taper shaft portion (fitting shaft portion) 22 extends from the base end side (+ Z side) of the main body portion 21 and is inserted into the center hole 13 of the fixture 10.
  • the abutment 20 is integrally formed of a white ceramic material having excellent aesthetics. Zirconia is adopted as the ceramic material.
  • the taper angle of the taper shaft portion 22 is, for example, 8 °. The angle is the same as that of the tapered hole portion 14 of the center hole 13 of the fixture 10.
  • the average inner diameter of the tapered shaft portion 22 is, for example, 2 mm.
  • the length of the tapered shaft portion 22 is the same as or longer than that of the tapered hole portion 14.
  • the length of the taper shaft portion 22 is, for example, 6 mm.
  • a plurality of groove portions 23 are formed on the outer peripheral side surface of the tapered shaft portion 22 along the Z direction.
  • the plurality of groove portions (anti-rotation shaft portions) 23 are arranged at equal intervals (equal angles) in the circumferential direction of the taper shaft portion 22.
  • the number of the groove parts 23 is five.
  • the number of the groove parts 23 can be changed as appropriate.
  • the number of the groove portions 23 is the same as the number of the protrusions 17 of the tapered hole portion 14.
  • the cross-sectional shape orthogonal to the Z-axis of the groove 23 is a shape in which the bottom side (inner peripheral side) is recessed in a semicircular arc shape. That is, the groove portion 23 has a shape opposite to that of the protrusion 17 formed on the inner peripheral side surface of the tapered hole portion 14.
  • the tapered shaft portion 22 of the abutment 20 is fitted into the tapered hole portion 14 of the center hole 13 of the fixture 10. At this time, the five groove portions 23 formed in the tapered shaft portion 22 are inserted into the five protrusions 17 formed in the tapered hole portion 14.
  • a through hole 24 penetrating in the Z direction is formed at the center of the abutment 20.
  • the part corresponding to the main body portion 21 in the through hole 24 is formed with an inner diameter of about 2.5 mm.
  • An inner screw (female screw) 25 of M2.5 is provided in a part of the through hole 24.
  • the screw size of the inner screw 25 can be appropriately changed according to the inner diameter of the through hole 24 and the like.
  • a portion of the through hole 24 corresponding to the tapered shaft portion 22 has an inner diameter of, for example, 1 mm.
  • the clamper pin 30 is inserted into the through hole 24 with almost no gap.
  • the outer surface 20 ⁇ / b> S is a region of the abutment 20 excluding the through hole 24. That is, the outer surface 20 ⁇ / b> S includes outer peripheral surfaces of the main body portion 21 and the tapered shaft portion 22.
  • the individual identification information N2 is stamped on a region of the outer surface 20S of the abutment 20 excluding the tapered shaft portion 22. That is, the individual identification information N2 is stamped on the outer peripheral surface of the main body 21.
  • the individual identification information N2 is stamped on the exposed surface 21T of the main body 21 excluding the area covered with the artificial crown 6. That is, the individual identification information N2 is imprinted on the exposed surface 21T exposed between the fixture 10 and the artificial dental crown 6 in the outer surface 20S of the abutment 20.
  • the individual identification information N2 is stamped on an arbitrary area of the main body 21 (exposed surface 21T).
  • the area where the individual identification information N2 is imprinted may be one place or a plurality of places.
  • the size of the individual identification information N2 (the area of the marking area) is arbitrary.
  • the individual identification information N2 is stamped using a laser processing machine. That is, the individual identification information N2 is stamped by the same method as the individual identification information N1.
  • the reason for marking the individual identification information N2 on the abutment 20 is the same as the reason for marking the individual identification information N1 on the fixture 10. That is, when the patient wearing the abutment 20 becomes an unidentified person such as an unidentified body, it is possible to confirm the identity based on the individual identification information N1 stamped on the abutment 20. This is because the individual identification information N1 stamped on the abutment 20 is transferred to a dental treatment record (medical chart) stored by the dentist.
  • a dental treatment record medical chart
  • the individual identification information N2 is information given to each abutment 20 for each individual.
  • the individual identification information N2 is a so-called manufacturing number (such as a serial number). That is, the numbers, symbols, characters, etc. for the manufacturer to manage the individual abutments 20. Similar to the individual identification information N1, the individual identification information N2 may be a number, a symbol, or the like different from the manufacturing number. The production number and the individual identification information N2 may be stamped on the abutment 20 separately. That is, the individual identification information N2 only needs to be given a different number or symbol for each individual of the abutment 20.
  • the individual identification information N2 is printed, for example, “NANCERA A12345”. “NANCERA” is manufacturer information of the abutment 20. “F” means an abutment. “12345” is a manufacturing number (serial number). The date of manufacture may be added to the individual identification information N2.
  • the abutment 20 Since the abutment 20 is attached to the fixture 10 fixed to the alveolar bone 2, there is a possibility that the abutment 20 is removed (replaced). However, the possibility of being removed is very low. For this reason, it is excellent as a means for identifying an individual.
  • the main body 21 of the abutment 20 is exposed from the alveolar bone 2.
  • the individual identification information N2 can be visually recognized by removing or removing the gums 4.
  • the exposed surface 21T is exposed not only from the alveolar bone 2 but also from the artificial crown 6. For this reason, visual recognition of the individual identification information N2 can be performed easily. Note that a magnifying glass, a microscope, or the like may be used for visual recognition of the individual identification information N2.
  • the manufacturer of the abutment 20 stores an individual identification information management ledger for the abutment 20.
  • This individual identification information management ledger information such as type, date of manufacture, sales destination (sales agency, medical institution), date of sale, etc. is recorded in association with the manufacturing number of the abutment 20.
  • FIG. 6A and 6B are diagrams showing the clamper pin 30, wherein FIG. 6A is a side view and FIG. 6B is a bottom view.
  • the clamper pin 30 is an elongated shaft-shaped member.
  • the clamper pin 30 is made of titanium or a titanium alloy.
  • the diameter of the clamper pin 30 is, for example, 1 mm.
  • the clamper pin 30 includes an elongated main body 30A and an engagement portion 31 formed on the base end side (+ Z side) of the main body 30A.
  • the diameter of the main body 30A is, for example, 1 mm.
  • the engaging portion 31 is fitted into the engaging hole portion 16 formed at the deepest portion of the center hole 13 of the fixture 10.
  • the engaging part 31 is composed of a tapered part 31A and two parallel surfaces 31B.
  • the outer diameter of the tapered portion (retaining shaft portion) 31A gradually increases (expands) toward the + Z side.
  • the parallel two surfaces 31B are two outer surfaces that are formed on the outer surface of the tapered portion 31A and are parallel and facing backward.
  • the angle of the tapered portion 31A is about 30 °.
  • the width (two-surface width) of the parallel two surfaces 31B is, for example, 1.1 mm.
  • An external thread (male thread) 32 of M1 is provided on the tip end side ( ⁇ Z side) of the clamper pin 30.
  • the screw size of the external screw 32 can be appropriately changed according to the diameter of the clamper pin 30 and the like.
  • the length of the clamper pin 30 is such that when the implant 5 is assembled, the outer screw 32 is substantially in the same position as the inner screw 25 at the end ( ⁇ Z side) of the through hole 24 of the abutment 20.
  • FIG. 7A and 7B are diagrams showing the clamper 40, where FIG. 7A is a bottom view and FIG. 7B is a longitudinal sectional view (VIIb-VIIb cross section).
  • the clamper 40 is a ring-shaped member.
  • the clamper 40 is made of titanium or a titanium alloy.
  • the outer diameter of the clamper 40 is, for example, 1.5 mm.
  • the outer diameter of the clamper 40 is slightly smaller than the minimum inner diameter of the reverse tapered hole portion 15 of the center hole 13 of the fixture 10.
  • the outer diameter of the clamper 40 may be slightly larger than the minimum inner diameter of the reverse tapered hole portion 15 and may be inserted into the reverse tapered hole portion 15.
  • the inner diameter of the clamper 40 is, for example, 1 mm.
  • the inner diameter of the clamper 40 is fitted on the clamper pin 30.
  • the clamper 40 is disposed at a position where it is caught by the engaging portion 31 of the clamper pin 30.
  • the clamper 40 is disposed so as to be received in the reverse tapered hole portion 15 of the center hole 13 of the fixture 10 when the implant 5 is assembled.
  • the clamper 40 In the clamper 40, three comb teeth 41 are formed on the base end side (+ Z side). The number of the comb teeth 41 can be changed as appropriate.
  • the comb teeth 41 When the clamper 40 rides on the engaging portion 31 of the clamper pin 30, the comb teeth 41 are elastically deformed and spread toward the outer peripheral side.
  • the comb teeth 41 of the clamper 40 operate in the same manner as a so-called collet chuck.
  • the comb teeth 41 of the clamper 40 spread toward the outer peripheral side, the diameter becomes larger than the minimum inner diameter of the tapered hole portion 14.
  • the clamper 40 is hooked (intervenes) at the projecting portion 15A projecting to the inner peripheral side at the upper end of the reverse tapered hole portion 15 of the center hole 13 of the fixture 10. Thereby, the movement of the clamper 40 and the clamper pin 30 to the ⁇ Z side is restricted.
  • FIGS. 8A and 8B are views showing the lock nut 50, where FIG. 8A is a bottom view and FIG. 8B is a longitudinal sectional view (VIIIb-VIIIb cross section).
  • the lock nut 50 is a ring-shaped member.
  • the lock nut 50 has an outer screw 51 of M2.5 on the outer peripheral surface and an inner screw 52 of M1 on the inner peripheral surface.
  • the lock nut 50 is formed of titanium or a titanium alloy.
  • the screw dimensions of the outer screw 51 and the inner screw 52 can be appropriately changed corresponding to the inner screw 25 and the outer screw 32.
  • a pair of wrench grooves 53 having two parallel and back surfaces are provided on the end surface of the lock nut 50 on the ⁇ Z side.
  • a lock nut 50 can be rotated by engaging an unillustrated instrument (such as a wrench) with the two parallel surfaces of the wrench groove 53.
  • the outer screw 51 is screwed into an inner screw 25 formed in a part of the through hole 24 of the abutment 20.
  • the inner screw 52 is screwed to the outer screw 32 formed on the tip side ( ⁇ Z side) of the clamper pin 30.
  • the fixture 10 is implanted in the patient's alveolar bone 2.
  • an implant mount driver (not shown) is used. Since the male screw 12 of the fixture 10 has a threading function, the fixture 10 is embedded while cutting a screw directly into the alveolar bone 2. For this reason, the operation time can be shortened, and reliable initial fixation can be obtained.
  • the gums 4 are sewn together.
  • the alveolar bone 2 and the fixture 10 are brought into close contact with the bone over about 3 to 6 months, although there are individual differences.
  • the dentist When the fixture 10 is embedded in the alveolar bone 2, the dentist transcribes the individual identification information N1 of the fixture 10 into the patient's medical record.
  • the individual identification information N1 of the fixture 10 is also described in a packaging container (not shown) of the fixture 10.
  • a sticker on which the individual identification information N1 is printed is attached to the packaging container.
  • the dentist peels off the seal on which the individual identification information N1 is printed from the packaging container and attaches it to the patient's chart.
  • Various patient information is described in the patient chart in addition to the individual identification information N1.
  • the medical chart may be an electronic medical chart.
  • a barcode symbol associated with the individual identification information N1 may be printed on the packaging container of the fixture 10.
  • the bar code symbol may be read by a scanner, and the individual identification information N1 may be recorded on the electronic medical record.
  • the abutment unit 8 is assembled.
  • the abutment unit 8 is assembled by the abutment 20, the clamper pin 30, the clamper 40 and the lock nut 50.
  • the abutment unit 8 is sold in an assembled form.
  • the clamper 40 is externally fitted to the clamper pin 30.
  • the lock nut 50 is attached to the abutment 20.
  • the outer screw 51 of the lock nut 50 is screwed into the inner screw 25 formed in a part of the through hole 24 of the abutment 20.
  • the clamper pin 30 is inserted from the + Z side of the through hole 24 of the abutment 20.
  • the clamper pin 30 is rotated clockwise.
  • the outer screw 32 of the clamper pin 30 is screwed into the inner screw 52 of the lock nut 50.
  • the clamper pin 30 is rotated clockwise until immediately before the tip end side ( ⁇ Z side) of the clamper 40 fitted on the clamper pin 30 contacts the ⁇ Z side end of the abutment 20. Thereby, the assembly of the abutment unit 8 is completed.
  • the abutment unit 8 is inserted into the center hole 13 of the fixture 10 embedded in the alveolar bone 2 of the patient.
  • the tapered shaft portion 22 of the abutment 20 is fitted into the tapered hole portion 14 of the center hole 13 of the fixture 10 in a wedge shape.
  • the engagement portion 31 on the base end side (+ Z side) of the clamper pin 30 is inserted into the engagement hole portion 16 on the deepest portion (+ Z side) of the center hole 13 of the fixture 10.
  • the parallel two surfaces 31B of the engaging portion 31 of the clamper pin 30 and the parallel two surfaces 16A of the engaging hole portion 16 of the fixture 10 are in close contact (fitting).
  • a tool (not shown) (such as a wrench) is fitted in the wrench groove 53 of the lock nut 50 and rotated clockwise.
  • the lock nut 50 moves while rotating in the + Z direction.
  • the clamper pin 30 moves in the ⁇ Z direction.
  • M2.5: 0.35P, M1: 0.2P since there is a difference in the pitch between the outer screw 51 and the inner screw 52 of the lock nut 50 (M2.5: 0.35P, M1: 0.2P), compared to the amount of movement of the lock nut 50 in the + Z direction.
  • the amount of movement of the clamper pin 30 in the ⁇ Z direction increases.
  • the parallel two surfaces 31 ⁇ / b> B of the engaging portion 31 and the parallel two surfaces 16 ⁇ / b> A of the engaging hole portion 16 are in close contact (fitting).
  • the rotation of the clamper pin 30 is restricted (suppressed).
  • the clamper pin 30 does not rotate with the lock nut 50 and moves in the ⁇ Z direction.
  • the tip end side ( ⁇ Z side) of the clamper 40 fitted on the clamper pin 30 comes into contact with the + Z side end of the abutment 20, and the clamper 40 moves in the + Z direction. Is regulated (deterred).
  • the tapered portion 31A of the engaging portion 31 of the clamper pin 30 is inserted into the inner peripheral side of the clamper 40 (the clamper 40 rides on the tapered portion 31A). Thereby, the three comb teeth 41 on the + Z side of the clamper 40 are elastically deformed and spread toward the outer peripheral side.
  • the clamper 40 is caught by the protruding portion 15A protruding to the inner peripheral side at the upper end of the reverse tapered hole portion 15 of the center hole 13 of the fixture 10, and the movement of the clamper 40 and the clamper pin 30 to the ⁇ Z side is restricted.
  • the lock nut 50 is further rotated clockwise.
  • the abutment 20 moves in the + Z direction.
  • the abutment 20 further moves toward the fixture 10, and the tapered shaft portion 22 of the abutment 20 is further inserted in a wedge shape into the tapered hole portion 14 of the center hole 13 of the fixture 10.
  • the implant 5 is assembled robustly without rattling. Thereafter, the artificial dental crown 6 is attached to the ⁇ Z side outer peripheral surface of the abutment 20 of the implant 5 using an adhesive or the like.
  • the dentist When the abutment unit 8 is attached to the fixture 10, the dentist transcribes the individual identification information N2 of the abutment 20 to the patient's chart.
  • the individual identification information N2 of the abutment 20 is also described in a packing container (not shown) of the abutment unit 8.
  • a sticker on which the individual identification information N2 is printed is attached to the packing container.
  • the dentist peels off the seal on which the individual identification information N2 is printed from the packing container and attaches it to the patient's chart.
  • Various patient information is described in the patient chart in addition to the individual identification information N2.
  • the medical chart may be an electronic medical chart.
  • a barcode symbol associated with the individual identification information N2 may be printed on the packing container of the abutment 20.
  • the bar code symbol may be read by a scanner, and the individual identification information N2 may be recorded on the electronic medical record.
  • the individual identification information N1 of the fixture 10 and the individual identification information N2 of the abutment 20 are described and stored in a medical record managed by a dentist (medical institution) or an individual identification information management ledger managed by a manufacturer (manufacturer). . Patient information is written in the dentist's (medical institution) medical record. In the individual identification information management ledger of the manufacturer, the medical institution of the sales destination is described. Therefore, the patient wearing the implant 5 can be quickly identified from the individual identification information N1, N2.
  • the traceability (the tracking of the manufacturing / distribution history of these articles) can be performed reliably and accurately. In particular, traceability from the implant 5 (the fixture 10 and the abutment 20) can be ensured.
  • the individual identification information N1 and N2 given to each individual is marked on both the fixture 10 and the abutment 20, identification confirmation, traceability reliability and accuracy are improved. Even when the medical institution in which the fixture 10 is embedded in the alveolar bone 2 and the medical institution in which the abutment 20 is inserted into the fixture 10 are different, the medical records in which the individual identification information N1 and N2 are described in each medical institution It is because it is preserved. Moreover, even if the manufacturer who produced the fixture 10 and the manufacturer who produced the abutment 20 are different, the individual identification information management ledger is stored in each manufacturer.
  • the individual identification information N1 marked on the fixture 10 and the individual identification information N2 marked on the abutment 20 are different, the individual identification information N1 and N2 can be managed by a plurality of medical institutions and a plurality of manufacturers, respectively. Therefore, the possibility of identity verification and traceability increases.
  • the individual identification information N1 is marked on the distal end portion 11 exposed from the alveolar bone 2 in the outer surface 10S of the fixture 10, the visual identification work of the individual identification information N1 is easy.
  • the individual identification information N1 is marked on the distal end surface 11T facing the ⁇ Z direction in the distal end portion 11, the individual identification information N1 can be easily visually recognized by removing or removing the gums 4.
  • the individual identification information N2 is marked on the main body portion 21 exposed from the fixture 10 in the outer surface 20S of the abutment 20, the visual identification work of the individual identification information N2 is easy.
  • the individual identification information N2 is marked on the exposed surface 21T exposed from the artificial crown 6 in the main body 21, the individual identification information N2 can be easily visually recognized by removing or removing the gums 4. It becomes.
  • the individual identification information N1 may be printed on a surface of the distal end portion 11 excluding the distal end surface 11T.
  • the individual identification information N2 may be printed on a surface of the main body 21 excluding the exposed surface 21T.
  • the present invention is not limited to this.
  • the individual identification information N1 may be marked only on the fixture 10, or the individual identification information N2 may be marked only on the abutment 20. However, since the fixture 10 is very unlikely to be removed, it is preferable to mark the individual identification information N1 on the fixture 10.
  • the present invention is not limited to this.
  • the same individual identification information N may be marked on one or both of the fixture 10 and the abutment 20.
  • the individual identification information N is printed, for example, “NANTOH-IP12345”. “NANTOH” is manufacturer information of the implant 5. “IP” means implant. “12345” is a manufacturing number (serial number). The date of manufacture may be added to the individual identification information N. Since the individual identification information N1 marked on the fixture 10 and the individual identification information N2 marked on the abutment 20 are the same (individual identification information N), the individual identification information N can be centrally managed by the manufacturer. Therefore, it is possible to reliably and accurately track the manufacturing / distribution history of the implant 5, the fixture 10 and the abutment 20. Therefore, the identity confirmation can be performed reliably and accurately.
  • the individual identification information N, N1, N2 may be an identifier (symbol) such as a barcode symbol or QR code (registered trademark). That is, it is encoded into a one-dimensional symbol or two-dimensional symbol representing a number or a character, and is marked on the fixture 10 or the abutment 20. Identifiers such as barcode symbols and QR codes are marked on the fixture 10 and the abutment 20 by printing or stamping.
  • identifier such as a barcode symbol or QR code (registered trademark). That is, it is encoded into a one-dimensional symbol or two-dimensional symbol representing a number or a character, and is marked on the fixture 10 or the abutment 20. Identifiers such as barcode symbols and QR codes are marked on the fixture 10 and the abutment 20 by printing or stamping.
  • the individual identification information N1 and N2 are engraved using laser light, but the present invention is not limited to this. Individual identification information N1 and N2 may be stamped by cutting. In particular, in an implant (fixture, abutment) other than a dental implant, the individual identification information N1 and N2 can be stamped by cutting.
  • the individual identification information N1 and N2 may be printed. Any method capable of recognizing the individual identification information N1, N2 over a long period of time is not limited to stamping or printing. For example, an electromagnetic recording method or an optical recording method may be used.
  • the implant of the present invention is not limited to this.
  • the implant of the present invention may be an implant that is fixed in a contact state by being embedded in other parts of bone.
  • the implant of the present invention may be applied as an artificial bone or a bone prosthetic material in order to compensate for a bone defect caused by fracture or resection of a benign tumor or cartilage removed by lumbar surgery.
  • the implant of the present invention may be employed for an artificial joint member, an osteosynthesis material used for fixing a fracture site, a spinal fixation device, and the like.
  • the implant of the present invention may be a fixture-only case (a case where an abutment or an abutment unit is not provided).
  • the abutment has been described as constituting an abutment unit, but the present invention is not limited to this.
  • the abutment of the present invention may be attached to and detached from the fixture alone.

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)
  • Dental Prosthetics (AREA)

Abstract

L'invention concerne un implant (5) muni d'un dispositif de fixation (10), destiné à être incorporé dans un os, et une butée (20) qui est insérée dans le dispositif de fixation (10). Une information (N, N1, N2) d'identification d'une pièce individuelle, donnée à chaque pièce individuelle, est imprimée sur le dispositif de fixation (10) et/ou sur la butée (20). L'information (N, N1, N2) d'identification de la pièce individuelle est imprimée à l'extrémité (11) du dispositif de fixation (10) ou d'une partie de corps principal (21) de la butée (20). L'information (N, N1, N2) d'identification de la pièce individuelle est imprimée par traitement laser.
PCT/JP2014/077204 2014-10-10 2014-10-10 Implant, dispositif de fixation et butée Ceased WO2016056123A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/077204 WO2016056123A1 (fr) 2014-10-10 2014-10-10 Implant, dispositif de fixation et butée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/077204 WO2016056123A1 (fr) 2014-10-10 2014-10-10 Implant, dispositif de fixation et butée

Publications (1)

Publication Number Publication Date
WO2016056123A1 true WO2016056123A1 (fr) 2016-04-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH712802A1 (de) * 2016-08-12 2018-02-15 Lakeview Innovation Ltd Einheitsverbinder und Einheitsverbindungssystem für Dentalimplantate.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60256445A (ja) * 1984-05-31 1985-12-18 京セラ株式会社 生体インプラント用金属部材
JPS63169115U (fr) * 1987-04-23 1988-11-02
US20110136076A1 (en) * 2009-12-08 2011-06-09 Yu-Jung Li Identification device
WO2012070606A1 (fr) * 2010-11-26 2012-05-31 株式会社ナントー精密 Implant, corps d'implant, et corps de butée

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60256445A (ja) * 1984-05-31 1985-12-18 京セラ株式会社 生体インプラント用金属部材
JPS63169115U (fr) * 1987-04-23 1988-11-02
US20110136076A1 (en) * 2009-12-08 2011-06-09 Yu-Jung Li Identification device
WO2012070606A1 (fr) * 2010-11-26 2012-05-31 株式会社ナントー精密 Implant, corps d'implant, et corps de butée

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH712802A1 (de) * 2016-08-12 2018-02-15 Lakeview Innovation Ltd Einheitsverbinder und Einheitsverbindungssystem für Dentalimplantate.
WO2018029649A3 (fr) * 2016-08-12 2018-05-03 Lakeview Innovation Ltd. Raccord unitaire et système de raccord unitaire pour implants dentaires
US11839522B2 (en) 2016-08-12 2023-12-12 Maxon International Ag Dental implant having a socket body, and kit for said dental implant

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