Gastrointestinal needle mechanism

Details Gastrointestinal needle mechanism Gastrointestinal needle mechanism

1993-12-22

1995-01-10

Hirsch, Paul J.

Surgery

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

Treating material introduced into or removed from body...

604158, A61M 2500

Patent

active

053802926

ABSTRACT:
An adjustable needle mechanism for gastrointestinal use in combination with an endoscope. The needle is received within a catheter or sheath and is movable between a first position in which it projects out of the catheter and a second position in which it is withdrawn into the catheter. A rotatable knob is provided to adjust the extent of projection of the needle when it is in the first position thereby eliminating any necessity to trim the end of the catheter.

REFERENCES:
patent: 1527291 (1925-02-01), Zorraquin
patent: 4867745 (1989-09-01), Patel
patent: 4886067 (1989-12-01), Palermo
patent: 4911691 (1990-03-01), Aniuk et al.
patent: 4969875 (1990-11-01), Ishikawa
patent: 5106376 (1992-04-01), Moovnen et al.
patent: 5120317 (1992-06-01), Luther
patent: 5217441 (1993-06-01), Schichman

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