[특허]Instrument for installing an acetabular cup assembly

[미국특허] Instrument for installing an acetabular cup assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-002/46 A61B-017/88 A61B-017/92
출원번호	US-0247813 (1994-05-23)
발명자 / 주소	Rohr William (Warsaw IN)
출원인 / 주소	Zimmer, Inc. (Warsaw IN 02)
인용정보	피인용 횟수 : 55 인용 특허 : 0

초록 ▼

An instrument 2 used to install both the outer shell 40 and bearing liner 50 of a conventional acetabular cup assembly 4. Instrument 2 includes an impactor 30 and a reversible cup or head component 10, which is adapted for driving shell 40 into the acetabulum and for seating bearing liner 50 into the shell. Head component 10 has a rounded semi-spherical surface 12 on one end and a substantially flat surface 14 on the opposite end. Impactor 30 includes a longitudinal extension 36 which can be inserted into a bore 20 in head component 10 from either direction to secure the head component to the impactor. When instrument 2 is used to seat shell 40 into the acetabulum, head component 10 is fitted to impactor 30 with semi-spherical surface 12 facing outward for abutment against inner surface 44 of shell 40. Shell 40 is connected to the distal end 39 of extension 36, which protrudes from semi-spherical surface 12 of head component 10. When instrument 2 is used to seat bearing liner 50 into shell 40, head component 10 is connected to impactor 30 with flat surface 14 facing outward for abutment against bearing liner 50.

대표청구항 ▼

An instrument for installing an acetabular cup assembly including a hemispherical shell adapted for seating into an acetabulum and having a concave inner surface which defines a posterior opening, and a bearing liner adapted for restrictively seating within said shell posterior opening, said instrument comprising: an impactor having a proximal end and a distal end, a head part having a first surface adapted for abutment against said shell and a second surface adapted for abutment against said liner, and fitting means connected to said impactor distal end for fitting said head part to said impactor in a first position wherein said head part first surface is configured to abut against said shell inner surface, said fitting means for fitting said head part in a second position wherein said head part second surface is positioned to abut against said liner for seating said liner into said shell posterior opening wherein said fitting means includes an extension part extending from said impactor distal end, said head part has a bore defined between said head part first surface and said head part second surface and adapted for receiving said extension part therein from one direction when said head part is connected to said impactor in said first position and for receiving said extension part therein from the opposite direction when said head .part is connected to said impactor in said second position.

이 특허를 인용한 특허 (55) 인용/피인용 타임라인 분석

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Slone, W Jason; Parcher, Kimberly S; Lakin, Ryan C; Smits, Aaron J; Schmidt, Kurt N, Method and apparatus for implanting a prosthesis.
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Anthony, Sarah; Poncet, Didier; Warlop, David M.; Zanchin, Laurent; Lawrence, Chad; Lubensky, Scott A.; Long, Jack F.; Iannotti, Joseph P.; Jensen, Kirk L.; Ekelund, Anders, Stemless humeral component of an orthopaedic shoulder prosthesis.
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Anthony, Sarah; Poncet, Didier; Warlop, David M.; Zanchin, Laurent; Lawrence, Chad; Lubensky, Scott A.; Long, Jack F.; Iannotti, Joseph P.; Jensen, Kirk L.; Ekelund, Anders, Stemless humeral component of an orthopaedic shoulder prosthesis.
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Anthony, Sarah; Poncet, Didier; Warlop, David M.; Zanchin, Laurent; Lawrence, Chad; Lubensky, Scott A.; Long, Jack F.; Iannotti, Joseph P.; Jensen, Kirk L.; Ekelund, Anders, Stemless humeral component of an orthopaedic shoulder prosthesis.
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Anthony, Sarah; Poncet, Didier; Warlop, David M.; Zanchin, Laurent; Lawrence, Chad; Lubensky, Scott A.; Long, Jack F.; Iannotti, Joseph P.; Jensen, Kirk L.; Ekelund, Anders, Stemless humeral component of an orthopaedic shoulder prosthesis.
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Anthony, Sarah; Lubensky, Scott; Poncet, Didier; Lawrence, Chad; Warlop, David M., Surgical method for implanting a stemless humeral component to the humerus of a patient.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Instrument for installing an acetabular cup assembly 원문보기