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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0753841 (1991-09-03) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 488 인용 특허 : 0 |
A cannulated bioabsorbable tack has annular ribs configured to enhance fixation to tissue, such as bone, and is particularly effective for attaching soft tissue to bone, such as ligaments or muscles in the shoulder. Apparatus and method for displaying the tack facilitate arthroscopic surgical proced
A cannulated bioabsorbable tack has annular ribs configured to enhance fixation to tissue, such as bone, and is particularly effective for attaching soft tissue to bone, such as ligaments or muscles in the shoulder. Apparatus and method for displaying the tack facilitate arthroscopic surgical procedures for attaching or joining tissue.
A tack for joining bodily tissue to permit healing in vivo, comprising: a stem having a proximal end and a distal end; a head disposed at said proximal end of said stem; a bore extending longitudinally, axially through said tack from said distal end through said head; securing means disposed in said
A tack for joining bodily tissue to permit healing in vivo, comprising: a stem having a proximal end and a distal end; a head disposed at said proximal end of said stem; a bore extending longitudinally, axially through said tack from said distal end through said head; securing means disposed in said bore within said head for securing said tack to an impactor; and annular rib means disposed peripherally about said stem between said proximal and distal ends for facilitating insertion of said tack into the tissue in a first direction extending from said proximal end toward said distal end and resisting movement of said tack in a second direction opposite said first direction; ‘said tack being made of a bioabsorbable material having a degradation time at least as long as a predetermined anticipated time for healing of the bodily tissue; wherein said annular rib means includes a plurality of discrete axially spaced annular ribs disposed in successive longitudinal positions along said stem; wherein each of said annular ribs includes a maximum transverse cross-section having a cylindrical configuration, a forward facing surface and a rearward facing surface; and wherein said forward facing surface includes a frusto-conical portion extending forward from said maximum transverse cross-section and an adjacent hypercycloid portion extending forward from said frusto-conical portion.
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