Rotating needle biopsy device and method

Details Rotating needle biopsy device and method Rotating needle biopsy device and method

1996-02-07

1999-06-29

Yu, Mickey

Surgery

Instruments

Cutting, puncturing or piercing

606167, 606170, 606180, 604 22, 604164, 600652, 600567, 600564, 600568, A61B 1732

Patent

active

059162295

ABSTRACT:
A biopsy device and method are provided for removing samples of tissue from a patient's body. The device comprises a hollow outer needle with an opening, a rotatable inner needle with a cutting surface and a driving mechanism within a handle assembly. The needles are inserted into the patient's body and the inner needle is rotated so as to expose the cutting surface. The driving mechanism is activated and the inner needle is oscillated along its longitudinal axis at a desired frequency. The inner needle is then rotated and tissue is pinched between the cutting surface and the outer needle. The combination of the pinching force and the oscillating motion severs a uniform sample of tissue. The tissue is captured between the cutting surface of the inner needle and the inner surface of the outer needle. The driving mechanism is then deactivated and the device is removed from the patient's body. The needle portion of the device may be removed from the handle assembly and discarded.

REFERENCES:
patent: 3606878 (1971-09-01), Kellogg
patent: 4203444 (1980-05-01), Bonnell et al.
patent: 4577629 (1986-03-01), Martinez
patent: 4589414 (1986-05-01), Yoshida et al.
patent: 4603694 (1986-08-01), Wheeler
patent: 4850354 (1989-07-01), McGurk-Burleson et al.
patent: 5106364 (1992-04-01), Hayafuji et al.
patent: 5189751 (1993-03-01), Giuliani et al.
patent: 5197484 (1993-03-01), Kornberg et al.
patent: 5395313 (1995-03-01), Naves et al.
patent: 5423844 (1995-06-01), Miller
patent: 5643304 (1997-07-01), Schechter et al.
patent: 5665101 (1997-09-01), Becker et al.
patent: 5669923 (1997-09-01), Gordon
patent: 5720760 (1998-02-01), Becker et al.
patent: 5722985 (1998-03-01), Pettus
patent: 5730752 (1998-03-01), Alden et al.
patent: 5782764 (1998-07-01), Werne

Affiliated with

Also associated with

Rating

Rotating needle biopsy device and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotating needle biopsy device and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotating needle biopsy device and method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1371820