Containment sleeve and deployment device

Details Containment sleeve and deployment device Containment sleeve and deployment device

2007-11-30

2011-11-29

Nguyen, Tuan (Department: 3731)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Stent combined with surgical delivery system

C623S001110, C623S001230

Reexamination Certificate

active

08066756

ABSTRACT:
A deployment device for deploying stents, stent-grafts and other implants into a patient includes a catheter (112) with a containment sheath (116). Held onto the catheter (112) is a stent-graft structure (120). The containment sheath (116) extends over the entirety of the stent graft section (122) so as to constrain it in its entirety on the catheter (112), until the sheath (116) is removed. The containment sheath (116) extends from the distal position (126) of the stent graft section (122) to the tip (114) and then into the central lumen (128) of the catheter (112). It may extend throughout the lumen (128) to the proximal end of the deployment device (10), in other words to the external manipulation section of the delivery device (10). The sheath (116) is withdrawn by pulling towards the external manipulation section of the delivery device. As this is effected, the containment sheath (116) is pulled over the end (114) of the catheter and into the central lumen (128) of the catheter (112). As this occurs the containment sheath (116) is in effect withdrawn into the catheter (112), thereby releasing the stent-graft section (122) gradually. Continued pulling will gradually pull the entirety of the containment sheath (116) into the open end of the catheter (112), thereby releasing the entirety of the stent-graft section (122).

REFERENCES:
patent: 5683451 (1997-11-01), Lenker et al.
patent: 6689120 (2004-02-01), Gerdts
patent: 7285130 (2007-10-01), Austin

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