Transfer copings and related methods for taking implant impressions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61C-013/12
A61C-008/00
출원번호
US-0299503
(2011-11-18)
등록번호
US-8936468
(2015-01-20)
발명자
/ 주소
Ranck, Roger S.
Hogan, Stephen
출원인 / 주소
Ranck, Roger S.
대리인 / 주소
Jones Robb PLLC
인용정보
피인용 횟수 :
3인용 특허 :
50
초록▼
A transfer coping configured to take an impression of an implant is disclosed. The transfer coping has an impression material contact portion and an implant mating portion configured to be received within an opening on a coronal portion of the implant. The implant mating portion has at least one sup
A transfer coping configured to take an impression of an implant is disclosed. The transfer coping has an impression material contact portion and an implant mating portion configured to be received within an opening on a coronal portion of the implant. The implant mating portion has at least one support portion and at least one deflection portion. The at least one support portion and the at least one deflection portion are separated from one another by grooves disposed therebetween. The at least one protrusion is disposed on the at least one deflection portion and is configured to engage in a snap-fit manner with a coordinating feature of an implant to maintain engagement of the transfer coping with the implant to take an impression. A method for taking an impression of an implant is also disclosed.
대표청구항▼
1. A transfer coping configured to take an impression of an implant, the transfer coping comprising: an impression material contact portion; andan implant mating portion configured to be received within an opening on a coronal portion of an implant, the implant mating portion comprising one or more
1. A transfer coping configured to take an impression of an implant, the transfer coping comprising: an impression material contact portion; andan implant mating portion configured to be received within an opening on a coronal portion of an implant, the implant mating portion comprising one or more substantially rigid support portions and one or more deflection portions, wherein the one or more support portions and the one or more deflection portions are separated from one another by axially extending grooves disposed therebetween,wherein an axially extending edge of one of the support portions and an axially extending edge of a circumferentially adjacent one of the deflection portions define one of the grooves, andwherein one or more protrusions are disposed on the one or more deflection portions and are configured to engage in a snap-fit manner with a coordinating feature of an implant to maintain engagement of the transfer coping with the implant to take an impression. 2. The transfer coping of claim 1, wherein the grooves are configured to permit elastic deflection of the one or more deflection portions relative to the one or more substantially rigid support portions. 3. The transfer coping of claim 1, wherein the one or more substantially rigid support portions comprise a plurality of substantially rigid support portions and the one or more deflection portions comprise a plurality of deflection portions. 4. The transfer coping of claim 3, wherein, in a transverse cross-section perpendicular to an axis of the implant mating portion, the implant mating portion comprises a polygonal shape comprising sides defined by the plurality of substantially rigid support portions and the plurality of deflection portions. 5. The transfer coping of claim 4, wherein the deflection portions define opposite sides of the polygonal shape. 6. The transfer coping of claim 3, wherein the one or more protrusions comprise a plurality of protrusions, at least one of the plurality of protrusions being disposed on each of the plurality of deflection portions, respectively. 7. The transfer coping of claim 1, wherein the one or more protrusions has a geometry chosen from spherical, triangular, square, rectangular, pyramidal, annular, and wedge-shaped. 8. The transfer coping of claim 1, further comprising one or more tapered portions configured to engage in a friction fit manner with a tapered portion on the implant, the one or more tapered portions being disposed in an axial direction of the implant mating portion between the impression material contact portion and the rigid support portions. 9. The transfer coping of claim 1, wherein the transfer coping comprises a material chosen from metal, ceramic, plastic, and combinations thereof. 10. The transfer coping of claim 9, wherein the material is radiopaque. 11. The transfer coping of claim 1, wherein the impression material contact portion comprises one or more flanges. 12. The transfer coping of claim 1, wherein the snap-fit engagement is sufficiently strong to permit taking an impression of the transfer coping without using a screw to engage the transfer coping to the implant. 13. The transfer coping of claim 1, wherein each groove comprises a gap or an opening between one of the substantially rigid support portions and one of the deflection portions. 14. The transfer coping of claim 1, wherein each groove extends along and between a length of a respective one of the one or more substantially rigid support portions and a respective one of the one or more deflection portions. 15. A method for taking an impression of an implant, the method comprising: inserting an implant mating portion of a transfer coping within an opening of the implant, the implant mating portion comprising one or more substantially rigid support portions and one or more deflection portions, wherein the one or more support portions and the one or more deflection portions are separated from one another by axially extending deflection grooves disposed therebetween, wherein an axially extending edge of one of the rigid support portions and an axially extending edge of a circumferentially adjacent one of the deflection portions define one of the grooves;engaging the transfer coping to the implant by snap-fitting one or more protrusions on the one or more deflection portions with a respective coordinating feature on the implant, wherein the snap-fitting engagement is sufficiently strong to maintain engagement of the transfer coping with the implant to take an impression; andforming an impression around the impression material contact portion with an impression material. 16. The method of claim 15, further comprising removing the impression with the transfer coping attached. 17. The method of claim 16, wherein removing the impression with the transfer coping attached comprises applying a force of about 0.5 pounds to about 6 pounds. 18. The method of claim 16, wherein removing the impression with the transfer coping attached comprises removing the impression without first loosening a screw engaging the transfer coping and the implant. 19. The method of claim 15, wherein engaging the transfer coping comprises elastically deflecting the one or more deflection portions relative to the one or more substantially rigid support portions, and returning the deflection portion to a non-deflected position. 20. The method of claim 19, wherein engaging the transfer coping further comprises friction fitting a tapered portion of the transfer coping with a coronal portion of the implant, the tapered portion being disposed in an axial direction of the implant mating portion between the impression material contact portion and the rigid support portions. 21. The method of claim 15, wherein forming the impression comprises forming the impression without a screw engaging the transfer coping to the implant. 22. The method of claim 15, wherein inserting the implant mating portion comprises inserting the implant mating portion of the transfer coping within an opening of a dental implant, an extra-oral implant, or an orthopedic implant. 23. A transfer coping configured to take an impression of an implant, the transfer coping comprising: an impression material contact portion; andan implant mating portion configured to be received within an opening on a coronal portion of an implant, the implant mating portion comprising one or more substantially rigid support portions and one or more deflection portions,wherein the one or more support portions and the one or more deflection portions are separated from one another by grooves disposed therebetween,wherein the grooves are parallel to one another, andwherein one or more protrusions are disposed on the one or more deflection portions and are configured to engage in a snap-fit manner with a coordinating feature of an implant to maintain engagement of the transfer coping with the implant to take an impression. 24. A transfer coping configured to take an impression of an implant, the transfer coping comprising: an impression material contact portion; andan implant mating portion configured to be received within an opening on a coronal portion of an implant, the implant mating portion comprising at least one substantially rigid support portion and at least one deflection portion, wherein in a transverse cross-section perpendicular to a longitudinal axis of the implant mating portion, the at least one substantially rigid support portion and the at least one deflection portion are arranged around a circumference of the implant mating portion and are separated from one another by grooves disposed therebetween, the grooves extending at least partially along a height of the at least one rigid support portion along said axis and terminating at a free end of the at least one rigid support portion, andwherein at least one protrusion is disposed on the at least one deflection portion and is configured to engage in a snap-fit manner with a coordinating feature of an implant to maintain engagement of the transfer coping with the implant to take an impression. 25. The transfer coping of claim 24, wherein the grooves are sized and shaped to permit the one or more deflection portions to deflect radially inwardly and radially outwardly relative to the remainder of the implant mating portion. 26. The transfer coping of claim 24, wherein the at least one substantially rigid support portion comprises a plurality of substantially rigid support portions and the at least one deflection portion comprises a plurality of deflection portions. 27. The transfer coping of claim 26, wherein the implant mating portion comprises a polygonal shape comprising sides defined by the plurality of substantially rigid support portions and the plurality of deflection portions. 28. The transfer coping of claim 27, wherein the deflection portions define opposite sides of the polygonal shape. 29. The transfer coping of claim 26, wherein the at least one protrusion comprises a plurality of protrusions, each of the plurality of protrusions being disposed on a respective one of the plurality of deflection portions. 30. The transfer coping of claim 24, wherein the at least one protrusion has a geometry chosen from spherical, triangular, square, rectangular, pyramidal, annular, and wedge-shaped. 31. The transfer coping of claim 24, further comprising one or more tapered portions configured to engage in a friction fit manner with a tapered portion on the implant.
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이 특허에 인용된 특허 (50)
Morgan, Vincent J., Abutment for dental implant and associated components for use therewith.
Niznick,Gerald A., Multi-part abutment and transfer cap for use with an endosseous dental implant with non-circular, beveled implant/abutment interface.
Beaty Keith D. (3 Old Meadow Way Palm Beach Garderns FL 33418) Jansen Curtis E. (712 Sandpiper Way North Palm Beach FL 33408) Rogers Dan Paul (10102 Yeoman La. Royal Palm Beach FL 33411), Self-indexing transfer impression coping.
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