Top Medical Technology Patent – Directionally biased staples and cartridge having directionally biased staples – US7824426

U.S. Patent 7824426 was awarded to Tyco Healthcare Group LP on 2010-11-02 and describes a “Directionally biased staples and cartridge having directionally biased staples.” This patent has been cited 284 times by other U.S. patents which places it in the top 500 cited patents since 2010 according to our law firm research, and makes it of the most innovative medical technology patents in the field of instruments. The abstract states:

In accordance with the present disclosure a directionally biased staple is provided for use in all types of surgical staplers having anvil structure against which the staple is formed. The directionally biased staple may be constructed in a wide variety of cross-sectional configurations including rectangular, elliptical, trapezoidal, etc. All of the configurations are distinguished by having a bending region requiring more force to twist or malform the staple than is required to properly form the staple. Preferably, these staples have Moment of Inertia Ratios on the order of between about 1.1 to about 3.0. The staple preferably corresponds in other respects to conventional formed staples, i.e. having at least a pair of leg members interconnected by a crown portion wherein the leg members are formed by direct contact with the anvil. Link: U.S. Patent 7824426

This patent was originally filed on 2003-04-28 which gives it a processing time of 2745 days, compared to an average processing time of 1760 in the field. Tyco Healthcare Group LP has 1168 total patents. The first named inventor is David C. Racenet of Killingworth, CT. The primary examiner was Julian W Woo.

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