Internal tip seal for attachment/motor for surgical instruments

Details Internal tip seal for attachment/motor for surgical instruments Internal tip seal for attachment/motor for surgical instruments

2005-01-18

2008-12-02

Manahan, Todd E (Department: 3731)

Surgery

Instruments

Cutting, puncturing or piercing

C408S226000, C279S157000

Reexamination Certificate

active

07458979

ABSTRACT:
A seal for an attachment to a surgical motor is provided by cutting threads into the inner surface of the nose cone of the attachment whereby the helical wound threads are in a direction opposite to the direction of the rotating shaft of the instrument being supported by the attachment. The motor can likewise by configured to define a seal where an attachment is not being utilized.

REFERENCES:
patent: 1378015 (1921-05-01), Erickson
patent: 3674075 (1972-07-01), Hoegee
patent: 4071029 (1978-01-01), Richmond et al.
patent: 6358252 (2002-03-01), Shapira
patent: 6974436 (2005-12-01), Aboul-Hosn et al.
patent: 2001/0052276 (2001-12-01), Riedl et al.

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