Medical bladed device

Details Medical bladed device Medical bladed device

2005-01-04

2005-01-04

Woo, Julian W. (Department: 3731)

Surgery

Instruments

Cutting, puncturing or piercing

C030S346000

Reexamination Certificate

active

06837896

ABSTRACT:
A medical bladed device is provided containing a handle and a cutting blade portion which is tapered and formed in continuation from the handle and having first and second faces on a front face, and third and fourth faces on a back face with a pair of primary cutting blades, each formed on both sides thereof, and a pair of secondary cutting blades, each formed on both sides thereof, the cutting blade having a sharp tip and being formed with a triangular cross section by forming a fifth face diagonally crossing from the front face of the cutting blade portion to the back face of the cutting blade portion. A secondary cutting blade angle is formed by the pair of secondary cutting blades ranging from 35 to 105 degrees, and a primary cutting blade angle is formed by an imaginary intersecting point between the pair of primary cutting blades ranging from 15 degrees to 35 degrees.

REFERENCES:
patent: 4911714 (1990-03-01), Poley
patent: 5100390 (1992-03-01), Lubeck et al.
patent: 5749897 (1998-05-01), Matsutani et al.
patent: 5967012 (1999-10-01), Dummer et al.
patent: 6214030 (2001-04-01), Matsutani et al.
patent: 6554840 (2003-04-01), Matsutani et al.

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