Combined pneumo-needle and trocar apparatus

Details Combined pneumo-needle and trocar apparatus Combined pneumo-needle and trocar apparatus

1993-04-02

1994-06-14

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604264, 604164, A61M 500, A61M 5178, A61M 2500

Patent

active

053206088

ABSTRACT:
A trocar houses a pneumo-needle, the cutting tip of which emerges eccentrically or concentrically from the tip of the trocar. An obturator, in turn, is housed within said pneumo-needle and is controlled at the distal end of the pneumo-needle by a spring release button. A cannula and reducer housing surround the trocar and are selectively attachable to a needle retainer which controls the penetration of the obturator, pneumo-needle, trocar and cannula into the abdominal cavity. A latch mounted on the rear of the needle retainer permits the pneumo-needle to selectively slide with respect to the needle retainer. Graduations on the needle permit the surgeon to set the depth of penetration of the pneumo-needle. The latch controls the depth of penetration of the pneumo-needle beyond the front face of the needle retainer. The pneumo-needle, in turn, acts as a pilot and controls the depth of penetration of the trocar and cannula. A cannula stop mounted on the needle retainer sets the depth of penetration of the trocar and cannula and permits the cannula to selectively slide with respect to the needle retainer. The apparatus allows the surgeon to employ the full length of the pneumo-needle as a pilot without having to partially withdraw the pneumo-needle prior to inserting the trocar and cannula.

REFERENCES:
patent: 3459189 (1969-08-01), Alley et al.
patent: 3833003 (1974-09-01), Taricco
patent: 4249541 (1981-02-01), Pratt
patent: 4535773 (1985-08-01), Yoon
patent: 4601710 (1986-07-01), Moll
patent: 4642101 (1987-02-01), Krolikowski
patent: 4686984 (1987-08-01), Bonnet
patent: 4698056 (1987-10-01), Cianella
patent: 4760847 (1988-08-01), Vaillancourt
patent: 4808157 (1989-02-01), Coombs
patent: 4960412 (1990-10-01), Fink
patent: 4986814 (1991-01-01), Barney et al.
patent: 4994042 (1991-02-01), Vadher
patent: 5057082 (1991-10-01), Burchette, Jr.
patent: 5059183 (1991-10-01), Semrad
patent: 5066288 (1991-11-01), Deniega et al.
patent: 5122122 (1992-06-01), Allgood
patent: 5135525 (1992-08-01), Biacoping et al.
patent: 5147316 (1992-09-01), Castillenti
patent: 5183465 (1993-02-01), Xanthakos
patent: 5207649 (1993-05-01), Aruny
patent: 5217441 (1993-06-01), Shichman
patent: 5226426 (1993-07-01), Yoon

Affiliated with

Also associated with

Rating

Combined pneumo-needle and trocar apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Combined pneumo-needle and trocar apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combined pneumo-needle and trocar apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1245447