Pipe joints or couplings – Elbow
Reexamination Certificate
2006-12-07
2009-08-04
Dunwoody, Aaron M (Department: 3679)
Pipe joints or couplings
Elbow
C285S317000
Reexamination Certificate
active
07568735
ABSTRACT:
A fluid delivery adapter unit for selectively connecting fluid supply equipments to an endoscope that includes a straight pipe capable of being detachably coupled to a fluid inlet collet of a headpiece of the endoscope and a generally L-shaped elbow pipe having a LUER-LOK® lock component at a proximal end to which the fluid supply equipment is coupled. A joining structure is installed between the elbow pipe and the straight pipe so as to allow the elbow pipe and the straight pipe to turn through a predetermined angle relative to each other only when the elbow pipe is forced to turn and further to keep them in a turned position while the elbow pipe is unforced. The joining structure includes an elastic sealing member to provide fluid tight seal between the elbow pipe and the straight pipe.
REFERENCES:
patent: 4205683 (1980-06-01), O'Neill
patent: 5586791 (1996-12-01), Kirchner et al.
patent: 2001-292963 (2001-10-01), None
Dunwoody Aaron M
Fujinon Corporation
Young & Thompson
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