Obturator tip assembly for a trocar

Details Obturator tip assembly for a trocar Obturator tip assembly for a trocar

2005-03-30

2009-12-29

Ho, (Jackie) Tan-Uyen T. (Department: 3773)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

Reexamination Certificate

active

07637896

ABSTRACT:
A trocar obturator includes a shaft having a proximal end and a distal end. The shaft also includes an outer surface. A tip member is secured to the distal end of the shaft, the tip member including a first end and a second end, as well as an outer surface. A keyed coupling structure links the tip member to the shaft, wherein the shaft adjacent the tip member tapers to a surface diameter substantially coextensive with the outer surface of the tip member and the tip member adjacent the shaft tapers to a surface diameter substantially coextensive with the outer surface of the shaft.

REFERENCES:
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patent: 6544277 (2003-04-01), O'Heeron et al.
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patent: 2003/0075923 (2003-04-01), Lepoutre
patent: 2005/0006433 (2005-01-01), Milliman et al.
International Standard, Ref. No. ISO 594/1-1986, Conical Fittings with a 6% (Luer) taper for syringes, needles and certain medical equipment—Part 1: General Requirements, Jun. 15, 1986, Global engineering Documents, p. 2.

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