[특허]Medical implant

Heraeus Kulzer GmbH &; Co. KG

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특허 상세정보

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Medical implant

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61C-00800
미국특허분류(USC)	433/173
출원번호	US-0257926 (2001-04-06)
우선권정보	DE-0019338 (2000-04-19)
국제출원번호	PCT/EP01/03948 (2003-04-14)
§371/§102 date	20030414 (20030414)
국제공개번호	WO01/80768 (2001-11-01)
발명자 / 주소	Augthun, Michael Peters, Manfred Haselhuhn, Klaus Spiekermann, Hubertus
출원인 / 주소	Heraeus Kulzer GmbH & Co. KG
대리인 / 주소	Norris McLaughlin &
인용정보	피인용 횟수 : 16 인용 특허 : 7

초록
▼

Implant (1) for receiving the connecting bridge (17, 17′, 17″) of a medical device, comprising a longitudinal axis (9), a distal end (3) and a proximal end (4), whereby a receiving recess (10) for the connecting bridge (17, 17′, 17″) extends therefrom inside the implant (1), wherein the implant (1) can be connected on its outer surface area to the inner surface area of a receiving bore hole in a bone by force or adaptation, and whereby the connecting bridge (17, 17′, 17″), which is adapted to the receiving recess (10), can be anchored through clamping, shrinkage, adhesion or cementing. The anchored medical device rests on a contact surface (18) of the top (16) protruding radially outward in its cross-section beyond the cross-section of the receiving recess (10) on the proximal end (4) of the implant (1) across the entire surface against an allocated contact surface (5) of the implant (1) on its proximal end (4). In order to accomplish this the medical device can be easily assembled while simultaneously ensuring a high torsional safety as well as even force transmission between the implant and the medical device it is suggested that extending from the proximal end (4) of the implant (1) the receiving recess (10) contain a cylindrical section (10Z), which is followed by a section (10V) that is tapered in its cross-section, and that extending from the top (16) of the medical device the connecting bridge (17, 17′, 17″) also contain a cylindrical section (17Z), which is followed by a section (17V) that is tapered in its cross-section.

대표
청구항
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1. Implant for receiving a connecting bridge of a medical device containing a head portion, comprising a longitudinal axis, a distal end, a proximal end and a top portion having a contact surface, whereby a receiving recess for the connecting bridge extends therefrom into implant, wherein the implant can be connected by its outer surface area to the inner surface area of a receiving bore hole in the bone of a human or animal body by force or adaptation, whereby the connecting bridge, which is adapted to the receiving recess, can be anchored through clamping, shrinkage, adhesion or cementing, wherein in the anchored medical device rests in contact with the contact surface of the top portion protruding radially outward in its cross-section beyond the cross-section of the receiving recess on the proximal end of the implant across the entire surface against an allocated contact surface of the implant on its proximal end and the outer contour of the cross-section of the receiving recess at least in one section is not circular, wherein extending from the proximal end of the implant the receiving recess contains a cylindrical section, which is followed by a section that is tapered in its cross-section, and that extending from the head portion of the medical device the connecting bridge also contains a cylindrical section, which is followed by a section that is tapered in its cross-section; andwherein said implant in its anchored state between the connecting bridge and the wall of the receiving recess at least one ventilation duct is formed, which extends from a distal end face of the connecting bridge to the proximal end of the implant; and wherein for the contact surface of said implant at least one ventilation groove is incorporated, which extends from a ventilation duct to the surface area of the implant. 2. Implant pursuant to claim 1, wherein measured in the direction of the longitudinal axis of the implant the length of the cylindrical section of the connecting bridge is slightly less than the length of the cylindrical section of the receiving recess, also measured in the direction of the longitudinal axis of the implant.3. Implant pursuant to claim 1, wherein the contact surface is circular and runs in a plane vertical to the longitudinal axis of the implant.4. Implant pursuant to claim 1, wherein the wall of the receiving recess is equipped with a plurality of ring grooves, which each run in planes vertical to the longitudinal axis of the implant, or with a helical groove.5. Implant pursuant to claim 1, wherein the wall of the receiving recess is equipped with at least one indentation, with which an elastic clip element of a medical device can positively engage.6. Implant pursuant to claim 1, which is provided to receive a replacement tooth.7. Implant for receiving a connecting bridge of a medical device containing a head portion, comprising a longitudinal axis, a distal end, proximal end and a top portion having a context surface, whereby a receiving recess for the connecting bridge extends therefrom into implant, wherein the implant can be connected by its outer surface area to the inner surface area of a receiving bore hole in the bone of a human or animal body by force or adaptation, whereby the connecting bridge, which is adapted to the receiving recess, can be anchored through clamping, shrinkage, adhesion or cementing, wherein in the anchored medical device rests in contact with the contact surface of the top portion protruding radially outward in its cross-section beyond the cross-section of the contact surface of the implant on its proximal end and the outer contour of the cross-section of the receiving recess at least in one section is not circular, wherein extending from the proximal end of the implant the receiving recess contains a cylindrical section, which is followed by a section that is tapered in its cross-section, and that extending from the head portion of the medical device the connecting bridge also contains a cylindrical section, which is followed by a section that is tapered in its cross-section; andwherein the vicinity of the proximal end of the implant the cross-section of the receiving recess takes on the shape of a rounded-off rectangle and in the vicinity of the its base it takes on the shape of a rounded-off square, wherein the transition between the above-described cross-sectional shapes is smooth. 8. Implant pursuant to claim 7, wherein a shorter edge length of the rectangle corresponds to an edge length of the square.9. Medical device, which is received by the receiving recess of an implant, said receiving recess containing a wall, wherein said medical device rests on the contact surface of a head portion protruding radially outward in its cross-section beyond the cross-section of the receiving recess on the proximal end of the implant across the entire surface against an allocated contact surface of the implant on its proximal end, that the outer contour of the cross-section of the connecting bridge at least in one section is not circular, and that extending from a head portion the connecting bridge has a cylindrical section, which is followed by a section that is tapered in its cross-section; andwherein the vicinity of its proximal end the connecting bridge has a cross-section in the shape of a rectangle, the corners of which are rounded off or broken more than those of the rectangle of the cross-section of the receiving recess at the position allocated in the installed state, and that in the vicinity of its distal end it has a cross-section in the shape of a square, the corners of which are rounded off or broken more than those of the square of the cross-section of the receiving recess at the position allocated in the installed state. 10. Medical device pursuant to claim 9, wherein the distal end of the connecting bridge contains at least one axially protruding clip element, which in the assembled state can positively engage with an indentation in the receiving recess of an implant.11. Medical device pursuant to claim 10, wherein a section, which in the assembled state is located outside the receiving recess, is equipped on its surface area with at least two opposing indentations.12. Medical device pursuant to claim 11, wherein the indentations form a ring groove with a V-shaped cross-section.13. Medical device pursuant to claim 9, which is a cap, a gingiva shaper, an impression rod and/or a replacement tooth.14. Replacement tooth pursuant to claim 13, wherein the surface area of the connecting bridge is equipped with a plurality of ring grooves, which each run in a plane vertical to the longitudinal axis of the connecting bridge and in the anchored state of the replacement tooth correspond to the ring grooves in the wall of the receiving recess.

이 특허에 인용된 특허 (7)

이 특허를 인용한 특허 피인용횟수: 16

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Medical implant

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이 특허에 인용된 특허 (7)

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Medical implant

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이 특허에 인용된 특허 (7)

이 특허를 인용한 특허 피인용횟수: 16

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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