Surgical saw with spring-loaded, low-noise cutting blade

Details Surgical saw with spring-loaded, low-noise cutting blade Surgical saw with spring-loaded, low-noise cutting blade

1999-01-13

2000-09-05

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

606 82, 606171, 30351, D24146, A61B 1714

Patent

active

061136182

ABSTRACT:
A saw blade (12) for use with a surgical saw (10). The surgical saw has a head (18) that is driven in a oscillating motion in order to cause like motion in the saw blade. The saw blade has a base (22) that is dimensioned to be inserted into a slot (24) in the front of the saw head. The base has a width less than the width of the slot to facilitate the easy insertion/removal of the saw blade. The saw blade also has a main section (36) formed integrally with the base (22) that has the cutting surface of the blade. The saw blade is further formed to have springs (42) that extend from the sides of the base. When the blade is inserted in the slot (24), the springs abut the interior walls (25) of the head that define the slot. A gap (48) separates each leaf spring from the adjacent side of the base. The gaps are dimensioned so that, when inertial motion causes the blade base to move towards a leaf spring, the adjacent gap is never closed, Thus, the reciprocal actuation of the saw blade of this invention does not result in the constant metal-to-metal contact between the saw head and the blade that can produce noticeable amounts of noise.

REFERENCES:
patent: D337160 (1993-07-01), Evans
patent: D360946 (1995-08-01), Goris
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patent: 1940855 (1933-12-01), Friedman
patent: 3703036 (1972-11-01), Karubian
patent: 3905105 (1975-09-01), Tuke
patent: 4020555 (1977-05-01), Hedrick
patent: 4233737 (1980-11-01), Poehlmann
patent: 4511334 (1985-04-01), Grafelmann
patent: 5263972 (1993-11-01), Evans et al.
patent: 5382249 (1995-01-01), Fletcher
patent: 5433457 (1995-07-01), Wright
patent: 5489285 (1996-02-01), Goris

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