Transseptal delivery instrument

Surgery – Instruments – Electrode guide means

Reexamination Certificate

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Reexamination Certificate

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07976551

ABSTRACT:
Access to the left side of the heart is gained through a heart wall. A delivery instrument includes a guide that may include or carry a puncturing instrument that is adapted to be directed toward the heart wall. In some embodiments a distal portion of the delivery instrument may be adapted to be co-located with the coronary sinus. In addition, the guide may be located a known distance from the portion of the delivery instrument that is co-located with the coronary sinus. Access to the left side of the heart may thus be readily gained by positioning the delivery instrument relative to the coronary sinus.

REFERENCES:
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patent: 6328699 (2001-12-01), Eigler et al.
patent: 6695793 (2004-02-01), Brennan et al.
patent: 2002/0007205 (2002-01-01), Zheng et al.
patent: 2004/0039371 (2004-02-01), Tockman et al.
patent: 2004/0225297 (2004-11-01), Chen
patent: 2006/0036307 (2006-02-01), Zarembo et al.
patent: 2006/0041300 (2006-02-01), Zhang et al.
patent: 2006/0136026 (2006-06-01), Zheng et al.
patent: 2006/0196137 (2006-09-01), Brenzel et al.
patent: 2006/0200197 (2006-09-01), Brenzel et al.
patent: 2006/0293643 (2006-12-01), Wallace et al.
patent: 2007/0225681 (2007-09-01), House

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