Safety needle instrument with movable cannula and needle

Details Safety needle instrument with movable cannula and needle Safety needle instrument with movable cannula and needle

1995-01-11

1997-09-09

Manahan, Todd E.

Surgery

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

Treating material introduced into or removed from body...

A61M 500

Patent

active

056650728

ABSTRACT:
A safety needle instrument for establishing a portal in the wall of an anatomical cavity includes a housing, an elongate cannula movable relative to the housing between an extended rest position and a retracted position and having a proximal end mounted by the housing and a distal end for introduction in the anatomical cavity, a cannula bias member for biasing the cannula distally toward the cannula extended position, a needle disposed within the cannula and movable relative thereto between an extended position and a retracted position where the needle distal end is proximally spaced from the cannula distal end, a retracting mechanism for moving the needle from the needle extended position to the needle retracted position, a handle for manually moving the needle from the needle retracted position to the needle extended position, a locking mechanism for locking the needle in the needle extended position while permitting a predetermined amount of proximal movement of the needle during penetration of the anatomical cavity wall, a needle bias member for biasing the needle distally in the needle extended position while permitting the needle to move proximally during penetration of the anatomical cavity wall, and a releasing mechanism responsive to penetration of the safety needle instrument into the anatomical cavity for triggering release of the locking means to permit the retracting means to move the needle proximally to the needle retracted position.

REFERENCES:
patent: Re32922 (1989-05-01), Levin et al.
patent: 1527291 (1925-02-01), Zorraquin
patent: 2496111 (1950-01-01), Turkel
patent: 2623521 (1952-12-01), Shaw
patent: 2630803 (1953-03-01), Baran
patent: 4254762 (1981-03-01), Yoon
patent: 4345589 (1982-08-01), Hiltebrandt
patent: 4442836 (1984-04-01), Meinecke et al.
patent: 4488545 (1984-12-01), Shen
patent: 4503856 (1985-03-01), Cornell et al.
patent: 4535773 (1985-08-01), Yoon
patent: 4559041 (1985-12-01), Razi
patent: 4601710 (1986-07-01), Moll
patent: 4627841 (1986-12-01), Dorr
patent: 4654030 (1987-03-01), Moll et al.
patent: 4670008 (1987-06-01), Von Albertini
patent: 4677979 (1987-07-01), Burns
patent: 4747831 (1988-05-01), Kulli
patent: 4802275 (1989-02-01), Haber et al.
patent: 4817603 (1989-04-01), Turner et al.
patent: 4869717 (1989-09-01), Adair
patent: 4889117 (1989-12-01), Stevens
patent: 4900307 (1990-02-01), Kulli
patent: 4902280 (1990-02-01), Lander
patent: 4906236 (1990-03-01), Alberts et al.
patent: 4931042 (1990-06-01), Holmes et al.
patent: 4943280 (1990-07-01), Lander
patent: 4946446 (1990-08-01), Vadher
patent: 4955870 (1990-09-01), Ridderheim et al.
patent: 4966593 (1990-10-01), Lennox
patent: 4973316 (1990-11-01), Dysarz
patent: 4994042 (1991-02-01), Vadher
patent: 4994068 (1991-02-01), Hufnagle
patent: 5024665 (1991-06-01), Kaufman
patent: 5026388 (1991-06-01), Ingaiz
patent: 5030206 (1991-07-01), Lander
patent: 5053016 (1991-10-01), Lander
patent: 5061251 (1991-10-01), Juhasz
patent: 5066288 (1991-11-01), Deniega et al.
patent: 5104382 (1992-04-01), Brinkerhoff et al.
patent: 5104383 (1992-04-01), Shichman
patent: 5114407 (1992-05-01), Burbank
patent: 5116353 (1992-05-01), Green
patent: 5127909 (1992-07-01), Shichman
patent: 5129885 (1992-07-01), Green et al.
patent: 5152754 (1992-10-01), Plyley et al.
patent: 5158552 (1992-10-01), Borgia et al.
patent: 5207647 (1993-05-01), Phelps
patent: 5226426 (1993-07-01), Yoon
patent: 5226891 (1993-07-01), Bushatz et al.
patent: 5290243 (1994-03-01), Chodorow et al.
patent: 5290304 (1994-03-01), Storace
patent: 5295993 (1994-03-01), Green
patent: 5312354 (1994-05-01), Allen et al.
patent: 5318580 (1994-06-01), Gresl, Jr.
patent: 5318585 (1994-06-01), Guy et al.
patent: 5320610 (1994-06-01), Yoon
patent: 5324268 (1994-06-01), Yoon
patent: 5330432 (1994-07-01), Yoon
patent: 5336176 (1994-08-01), Yoon
patent: 5338305 (1994-08-01), Plyley et al.
patent: 5342382 (1994-08-01), Brinkerhoff et al.
patent: 5346459 (1994-09-01), Allen
patent: 5350393 (1994-09-01), Yoon
patent: 5360405 (1994-11-01), Yoon
patent: 5372588 (1994-12-01), Farley et al.
patent: 5376082 (1994-12-01), Phelps

Affiliated with

Also associated with

Rating

Safety needle instrument with movable cannula and needle does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Safety needle instrument with movable cannula and needle, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Safety needle instrument with movable cannula and needle will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-65949