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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0990759 (2001-11-09) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 430 인용 특허 : 68 |
The introducer sheath can be loaded onto a vasoocclusive device after removal of the vasoocclusive device from a microcatheter, to permit the vasoocclusive embolic coil assembly to be used again during a clinical procedure. The sheath includes a hollow, elongated tubular member with a longitudinal s
The introducer sheath can be loaded onto a vasoocclusive device after removal of the vasoocclusive device from a microcatheter, to permit the vasoocclusive embolic coil assembly to be used again during a clinical procedure. The sheath includes a hollow, elongated tubular member with a longitudinal slot formed in the upper wall of the elongated tubular member and extending along the length of elongated tubular member. The upper wall of the elongated tubular member adjacent to the slot has an angled configuration to accept the vasoocclusive device. The sheath may include wing members extending outwardly from the angled configuration on the outside surface of the hollow, elongated tubular member to facilitate insertion of the vasoocclusive device into the sheath. The elongated tubular member may also consist of a segment with no slot attached to a flexible pusher member to facilitate initiation of loading of the vasoocclusive device into the sheath.
1. A sheath for a therapeutic vasoocclusive device, the vasoocclusive device including an assembly of a flexible pusher member and an embolic coil, the sheath comprising: a hollow, elongated tubular member having opposing upper and lower walls, opposing side walls, and a longitudinal interior cha
1. A sheath for a therapeutic vasoocclusive device, the vasoocclusive device including an assembly of a flexible pusher member and an embolic coil, the sheath comprising: a hollow, elongated tubular member having opposing upper and lower walls, opposing side walls, and a longitudinal interior channel; a longitudinal slot formed in the upper wall of the elongated tubular member and extending a first portion of the length of elongated tubular member leaving a second portion of the length of the elongated tubular member with no slot, the slot having opposing sides with inner side surfaces extending through the upper wall of the elongated tubular member leading to the interior channel permitting introduction of the vasoocclusive device into the interior channel, wherein the upper wall of the elongated tubular member adjacent to the slot has an angled configuration on the outside surface of the hollow, elongated tubular member. 2. The sheath of claim 1, wherein the angled configuration on the outside surface of the hollow, elongated tubular member has opposing exterior surfaces forming an interior angle of about 110° to 150°. 3. The sheath of claim 1, wherein the lower wall of the hollow, elongated tubular member is about 0.002 to 0.004 inches thick to allow the opposing sides of the slot of the hollow, elongated tubular member to flex outwardly to allow the slot to open to accept the vasoocclusive device. 4. The sheath of claim 1, wherein the hollow, elongated tubular member is formed from a thermoplastic material. 5. The sheath of claim 1, wherein the hollow, elongated tubular member is formed from a high density polyethylene. 6. The sheath of claim 1, further comprising wing members extending outwardly from the angled configuration on the outside surface of the hollow, elongated tubular member to facilitate insertion of the vasoocclusive device into the sheath. 7. The sheath of claim 6, wherein the wing members of the angled configuration on the outside surface of the hollow, elongated tubular member have opposing exterior surfaces forming an interior angle of about 110° to 150°.
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