发明名称 |
NEEDLE CATHETER |
摘要 |
An apparatus including an expandable body having dimensions suitable for percutaneous delivery; at least one delivery cannula having a lumen therethrough coupled to an exterior portion of the expandable body; a needle disposed in the lumen of the at least one delivery cannula, the needle including a body portion having a protuberance thereon and a delivery end distal to the protuberance; a stop disposed in the lumen of the at least one delivery cannula at a position distal to the protuberance on the needle, the stop defining a diameter of the lumen less than an outer diameter of the needle at the protuberance. A method including positioning a catheter assembly including at least one needle delivery device disposed in an at least one delivery cannula, the at least one delivery cannula having an exit end; modifying the shape of the catheter assembly to modify the orientation of the exit end of the at least one delivery cannula at a region of interest; and advancing the at least one needle delivery device beyond the exit end of the at least one delivery cannula according to a controlled orientation of the at least one delivery device within the at least one delivery cannula.
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申请公布号 |
US2008125709(A1) |
申请公布日期 |
2008.05.29 |
申请号 |
US20070841470 |
申请日期 |
2007.08.20 |
申请人 |
CHANG GREGORY WAIMONG;GONZALEZ FERNANDO;PHAN THUHUONG THI;AMBAT DWIGHT A;LUMAUIG MANOLO;CHOW MINA W |
发明人 |
CHANG GREGORY WAIMONG;GONZALEZ FERNANDO;PHAN THUHUONG THI;AMBAT DWIGHT A.;LUMAUIG MANOLO;CHOW MINA W. |
分类号 |
A61M29/02;A61M25/00;A61M25/06 |
主分类号 |
A61M29/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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