WO2000009031B1 - One-step threaded implant - Google Patents

One-step threaded implant

Info

Publication number
WO2000009031B1
WO2000009031B1 PCT/US1999/018339 US9918339W WO0009031B1 WO 2000009031 B1 WO2000009031 B1 WO 2000009031B1 US 9918339 W US9918339 W US 9918339W WO 0009031 B1 WO0009031 B1 WO 0009031B1
Authority
WO
WIPO (PCT)
Prior art keywords
implant body
cap portion
cap
healing
threaded
Prior art date
Application number
PCT/US1999/018339
Other languages
French (fr)
Other versions
WO2000009031A1 (en
Inventor
Ajay Kumar
Don Kennard
Original Assignee
Nobel Biocare Ab
Ajay Kumar
Don Kennard
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 Nobel Biocare Ab, Ajay Kumar, Don Kennard filed Critical Nobel Biocare Ab
Priority to EP99942137A priority Critical patent/EP1104264A1/en
Priority to JP2000564536A priority patent/JP2002522150A/en
Priority to AU55580/99A priority patent/AU5558099A/en
Publication of WO2000009031A1 publication Critical patent/WO2000009031A1/en
Publication of WO2000009031B1 publication Critical patent/WO2000009031B1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0087—Means for sterile storage or manipulation of dental implants
    • 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
    • A61C8/008—Healing caps or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments

Abstract

A threaded dental implant assembly is provided for insertion into a pre-drilled bore in the jawbone is disclosed. The threaded dental implant assembly includes a threaded implant body (12) to which is attached a healing cap (22) for covering the central socket (18) in the implant body (12) during the initial healing period. The healing cap (22) is mechanically coupled to the implant body before the insertion procedure by a coupling screw (28) extending through a bore in the healing cap into the central socket (18) of the implant body. A recess (25) in the bottom of the healing cap (22) mates with a protrusion (16) on the top of the implant body (12) such that the healing cap (22) is prevented from rotating relative to the implant body (12) and can transmit torque thereto. A tool (36) engages the top of the healing cap (22) for easy manipulation of the implant body/healing cap during the insertion procedure. The tool (36) is desengaged from the heating cap (22) after the insertion procedure thereby leaving the implant body (12) and healing cap (22) in the jawbone.

Claims

AMENDED CLAIMS[received by the International Bureau on 2 February 2000 (02.03.00); original claims 1-5, 7-8 and 12 amended; remaining claims unchanged (3 pages)]
1. A healing cap assembly for sealing the top of an implant body of the type having a threaded central socket opening through the top end of said implant body during an initial healing period, said healing cap assembly comprising: a cap portion sized and shaped so as to sealingly engage said top end of said implant body to substantially prevent bacteria or debris from entering said central socket during an initial healing period, said cap portion comprising: a top portion and a bottom portion and a substantially central bore extending therethrough; and a plurality of slots formed along the periphery of said top portion of said cap portion for receiving a torque driver adapter; a coupling screw insertable through said central bore in said cap portion and threading into said threaded central socket of said implant body for securely attaching said cap portion to said implant body; whereby, torque can be transmitted from said adapter to said healing cap assembly to said implant body without overtightening of said coupling screw.
2. The healing cap assembly of claim 1, wherein said central bore of said cap portion has a threaded portion therein and wherein said coupling screw is threaded through said central bore past said threaded portion thereof whereby said cap portion and said coupling screw are loosely coupled together.
3. The healing cap assembly of claim 1, wherein a recess or protrusion is formed in said bottom portion of said cap portion for matingly and irrotationally engaging a corresponding recess or protrusion formed on said top end of said implant body for providing transmission of torque from said cap portion to said implant without over-tightening of said cap portion or said coupling screw.
4. The healing cap assembly of claim 1, wherein said adapter comprises a plurality of flexible prongs to releasably engage said slots of said cap portion.
5. The healing cap assembly of claim 1 in combination with a torque driver adapter having a top end and a bottom end, said bottom end of said adapter being formed with a plurality of prongs insertable into said slots in said cap portion for engaging and applying torque to said cap portion to thread said implant body into an osteotomy formed in a jawbone without over-tightening of said healing cap assembly.
6. The combination of claim 5, wherein the middle portion of said adapter is formed with a substantially hexagonal cross section.
7. The combination of claim 6, further comprising an implant carrier with a hexagonally shaped internal passage for receiving said substantially hexagonal middle portion of said adapter.
8. The combination of claim 7 in further combination with a threaded implant body, wherein said healing cap assembly is secured to said implant body prior to insertion in an osteotomy formed in a jawbone.
9. The combination of claim 8 packaged in a sterile vial or other sterile container.
10. The combination of claim 5 in further combination with a threaded implant body wherein said healing cap assembly is secured to said implant body prior to insertion in an osteotomy formed in a jawbone.
11. The combination of claim 10 packaged in a sterile vial or other sterile container.
12. A dental implant kit for implanting a dental implant within an osteotomy formed in a jawbone comprising: a healing cap assembly as recited in claim comprising said cap portion and said coupling screw; a generally cylindrical implant body having a top end and a bottom end, said implant body having external threads formed thereon for engagement with said osteotomy formed in said jawbone, said bottom end being insertable into said osteotomy so as to facilitate threaded engagement therewith, said implant body further having a central threaded socket extending from said top end toward said bottom end, said threaded socket being open at said top end of said implant body; the top end of said implant body and/or the bottom portion of said cap portion further having either a protrusion or a mating recess formed therein to prevent relative rotation of said cap portion and said implant body when said cap portion is engaged with said implant body; and the coupling screw having a head seated against the top portion of said cap portion and a shaft extending through said central bore in said cap portion and threading into said threaded socket in said implant body, said coupling screw securely coupling said cap portion to said implant body; wherein said implant body, said cap portion and said coupling screw are all pre-assembled and packaged in a sterile vial or other container.
PCT/US1999/018339 1998-08-12 1999-08-12 One-step threaded implant WO2000009031A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP99942137A EP1104264A1 (en) 1998-08-12 1999-08-12 One-step threaded implant
JP2000564536A JP2002522150A (en) 1998-08-12 1999-08-12 One-step threaded implant
AU55580/99A AU5558099A (en) 1998-08-12 1999-08-12 One-step threaded implant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9633298P 1998-08-12 1998-08-12
US60/096,332 1998-08-12

Publications (2)

Publication Number Publication Date
WO2000009031A1 WO2000009031A1 (en) 2000-02-24
WO2000009031B1 true WO2000009031B1 (en) 2000-03-23

Family

ID=22256871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/018339 WO2000009031A1 (en) 1998-08-12 1999-08-12 One-step threaded implant

Country Status (5)

Country Link
US (1) US6312260B1 (en)
EP (1) EP1104264A1 (en)
JP (1) JP2002522150A (en)
AU (1) AU5558099A (en)
WO (1) WO2000009031A1 (en)

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Also Published As

Publication number Publication date
EP1104264A1 (en) 2001-06-06
US6312260B1 (en) 2001-11-06
JP2002522150A (en) 2002-07-23
WO2000009031A1 (en) 2000-02-24
AU5558099A (en) 2000-03-06

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