[특허]Atraumatic medical device

Boston Scientific Scimed, Inc.

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특허 상세정보

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Atraumatic medical device

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/22 A61B-017/3205 A61B-017/221 A61B-017/00
미국특허분류(USC)	606/127;
출원번호	US-0889878 (2010-09-24)
등록번호	US-8911449 (2014-12-16)
발명자 / 주소	Teague, James A. Abdulaziz, Mohamed Fazni Curtis, Juli L. Bultman, Aaron J.
출원인 / 주소	Boston Scientific Scimed, Inc.
대리인 / 주소	Bookoff McAndrews, PLLC
인용정보	피인용 횟수 : 0 인용 특허 : 50

초록

A medical device, and related method, for manipulating material, such as calculi, within a patient's body includes a handle, a sheath, a retrieval basket, and a retainer coupled to the distal end of the retrieval basket. The retrieval basket includes a plurality of legs, each of which includes an intermediate portion located at the distal end of the retrieval basket. The retainer secures at least the intermediate portion of one of the plurality of legs to the intermediate portion of another of the plurality of legs.

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1. A retrieval basket, comprising: a plurality of legs; anda U-shaped retainer positioned at a distal end of the retrieval basket and coupled to the plurality of legs, the U-shaped retainer including a lumen defined by an arch-shaped wall having a roof extending between first and second surfaces of the arch-shaped wall, wherein the arch-shaped wall and first and second surfaces are a single continuous member, the U-shaped retainer further including a first opening defined and encircled by the first surface of the arch-shaped wall and a second opening defined and encircled by the second surface of the arch-shaped wall, wherein the first opening includes a continuous closed perimeter completely surrounded by the first surface, and wherein the second opening includes a continuous closed perimeter completely surrounded by the second surface;wherein the plurality of legs are retained within the lumen and the first and second openings, wherein the lumen extends from a first side surface of the U-shaped retainer to a second side surface of the U-shaped retainer and is completely open opposite the roof from the first side surface to the second side surface, and wherein the U-shaped retainer is completely open on each side surface opposite the first and second side surfaces of the U-shaped retainer. 2. The retrieval basket of claim 1, wherein an intermediate portion of a first leg is retained within the lumen, and an intermediate portion of a second leg extends through the first and second openings and is transverse to the intermediate portion of the first leg. 3. The retrieval basket of claim 2, wherein the intermediate portion of the first leg is disposed between the intermediate portion of the second leg and the roof of the arch-shaped wall. 4. The retrieval basket of claim 1, wherein an intermediate portion of a first leg extends through the first opening and the lumen, and an intermediate portion of a second leg extends through the second opening and the lumen. 5. The retrieval basket of claim 4, wherein the intermediate portion of each of the first and second legs includes a bend in the lumen. 6. The retrieval basket of claim 1, wherein the first opening faces the second opening. 7. The retrieval basket of claim 4, wherein the first leg and the second leg do not intersect each other at the distal end of the retrieval basket. 8. The retrieval basket of claim 1, wherein an axis extending through the first and second openings extends is transverse to a longitudinal axis of the lumen. 9. A retrieval basket, comprising: a plurality of legs; anda U-shaped retainer positioned at a distal end of the retrieval basket and coupled to the plurality of legs, the U-shaped retainer including a lumen defined by an arch-shaped wall having a roof extending between first and second surfaces of the arch-shaped wall, the U-shaped retainer further including a first opening and a second opening, wherein the first and second openings are defined and encircled by opposite sides of the arch-shaped wall, wherein the first and second openings are in communication with the lumen, wherein the first opening includes a continuous closed perimeter completely surrounded by the first surface, and wherein the second opening includes a continuous closed perimeter completely surrounded by the second surface;wherein an intermediate portion of a first leg is retained within the lumen, and an intermediate portion of a second leg extends through the first and second openings and is transverse to the intermediate portion of the first leg, wherein the lumen extends from a first side surface of the U-shaped retainer to a second side surface of the U-shaped retainer and is completely open opposite the roof from the first side surface to the second side surface, wherein the distance between the intermediate portion of the first leg and the roof is less than the distance between the intermediate portion of the second leg and the roof. 10. The retrieval basket of claim 9, wherein the intermediate portion of the first leg is axially positioned within the lumen. 11. The retrieval basket of claim 9, wherein the intermediate portion of the first leg is disposed between the intermediate portion of the second leg and the roof. 12. The retrieval basket of claim 9, wherein the first opening is defined by a first surface of the arch-shaped wall, and the second opening is defined by a second surface of the arch-shaped wall. 13. A retrieval basket, comprising: a plurality of legs; anda U-shaped retainer positioned at a distal end of the retrieval basket and coupled to the plurality of legs, the U-shaped retainer including a lumen defined by an arch-shaped wall having a roof extending between first and second surfaces of the arch-shaped wall, the U-shaped retainer further including a first opening and a second opening, wherein the first and second openings are defined by opposite sides of the arch-shaped wall, and wherein the first and second openings are in communication with the lumen, and wherein the first opening includes a continuous closed perimeter completely surrounded by the first surface, and wherein the second opening includes a continuous closed perimeter completely surrounded by the second surface;wherein an intermediate portion of a first leg extends through the first opening and the lumen, and an intermediate portion of a second leg extends through the second opening and the lumen, wherein the lumen extends from a first side surface of the U-shaped retainer to a second side surface of the U-shaped retainer and is completely open opposite the roof from the first side surface to the second side surface, wherein the first and second legs do not intersect. 14. The retrieval basket of claim 13, wherein the intermediate portion of each of the first and second legs includes a bend in the lumen. 15. The retrieval basket of claim 14, wherein the first opening faces the second opening. 16. The retrieval basket of claim 13, wherein the first and second openings are encircled by opposite sides of the arch-shaped wall.

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Atraumatic medical device

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Atraumatic medical device

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