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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0105757 (1998-06-26) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 448 인용 특허 : 21 |
An implantable marker for implantation in tissue of a surgical patient is disclosed. The marker has a base and an elevated bridge. A pair of legs descend from first and second transitions of the bridge. Each leg has a distal tip, a generally straight leg arm adjacent the tip, and a camming marker su
An implantable marker for implantation in tissue of a surgical patient is disclosed. The marker has a base and an elevated bridge. A pair of legs descend from first and second transitions of the bridge. Each leg has a distal tip, a generally straight leg arm adjacent the tip, and a camming marker surface between the transitions of the base and the straight leg arm. The camming marker surfaces extend outwardly from the straight leg arms of the legs. In its open configuration, the first and second straight leg arms of the legs of the marker are generally parallel to each other. In its closed configuration, the first and second straight leg arms converge towards each other, and a marker apex is formed at the distal tips of the legs. The marker is particularly adapted for fixation in tissue to mark the site of a lesion or other abnormal tissue which may be removed during a biopsy procedure, for example a breast biopsy procedure. Advantageously, the camming marker surfaces of the legs of the marker facilitate the ability to form the marker upon pushing the marker distally into the tissue, thus insuring deep penetration of the marker and the grasping of a sufficient amount of tissue to securely fix the marker to the tissue.
[ What is claimed is:] [1.] An implantable marker for implantation in tissue of a surgical patient, said marker comprising:a) a base, said base including an elevated bridge having a top and a pair of top arcuate surfaces separated by said top, said bridge bounded by first and second transitions;b) a
[ What is claimed is:] [1.] An implantable marker for implantation in tissue of a surgical patient, said marker comprising:a) a base, said base including an elevated bridge having a top and a pair of top arcuate surfaces separated by said top, said bridge bounded by first and second transitions;b) a first leg descending from said first transition of said base, said first leg including:i) a first distal tip remote from said first transition;ii) a generally straight first leg arm adjacent said first distal tip; andiii) a first camming marker surface between said first transition of said base and said first straight leg arm, said first camming marker surface extending outwardly from said first straight leg arm;c) a second leg descending from said second transition of said base, said second leg including:i) a second distal tip remote from said second transition;ii) a generally straight second leg arm adjacent said second distal tip; andiii) a second camming marker surface between said second transition of said second base and said second straight leg arm, said second camming marker surface extending outwardly from said second straight leg arm; andd) a first reverse cleat protruding from said first camming marker surface and said first transition, and a second reverse cleat protruding from said second camming marker surface and said second transition;wherein said first and second straight leg arms are generally parallel to each other when said marker is in an open configuration, and said first and second straight leg arms gradually converge towards each other from a spaced-apart position adjacent said first and second transitions when said marker is in a closed configuration so as to form a marker apex at said first and second distal tips of said legs.
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