Surgery – Instruments – Suture – ligature – elastic band or clip applier
Patent
1999-03-04
2000-10-24
Buiz, Michael
Surgery
Instruments
Suture, ligature, elastic band or clip applier
606139, 606148, A61B 1712
Patent
active
061360104
ABSTRACT:
Devices, systems, and methods for suturing of body lumens allow the suturing of vascular puncture sites located at the distal end of a percutaneous tissue tract. An elongated articulated foot near a distal end of a shaft is inserted through the penetration and actuated so that the foot extends along the lumenal axis. The foot carries suturing attachment cuffs, and needles are advanced from the shaft through the vessel wall outside of the penetration and into engagement with the needle cuffs after the foot has been drawn proximally up against the endothelial surface of the blood vessel. The cross-section of the shaft within the tissue tract can be minimized by laterally deflecting the needles as they leave the shaft, while tapered depressions within the foot can guide the advancing needles into engagement with the cuffs. The cuffs lockingly engage the needles and can be withdrawn proximally along the needle paths and through the tissue tract so as to form a loop of suture across the puncture. The articulating foot may be realigned with the shaft and withdrawn proximally through the tissue tract without dilating the tissue tract.
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Andreas Bernard H.
Barrett Michael
Isbell Lewis
Modesitt D. Bruce
Zung Michael
Buiz Michael
King Anthony
Perclose, Inc.
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