Surgery – Instruments – Suture – ligature – elastic band or clip applier
Reexamination Certificate
1999-10-05
2001-04-17
Jackson, Gary (Department: 3731)
Surgery
Instruments
Suture, ligature, elastic band or clip applier
C606S144000
Reexamination Certificate
active
06217592
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention is an instrument for setting a suture in laproscopic surgery. In Laproscopic surgery there is a need to sew up by sutures (blood vessels and tissue within the body) by action outside the body. The “action” is done by instruments inserted within the body via one or more trocars that are maintained in a fixed position in the body throughout the surgery.
Presently the setting or tying of a suture generally involves a pair of separate instruments, a needle holder and a threaded needle, and each is inserted into the body cavity through an abdominal trocar that typically are between which are narrow 5 mm and 10 mm's wide. Because there are two separate instruments to be controlled, the setting of a suture is relatively difficult to control. Moreover in some instances when the two are inserted together, the holder holding the needle, then is a risk that the two become separated within the cavity, which makes the suturing difficult.
SUMMARY OF THE INVENTION
To simplify the suturing process, the invention is a suturing instrument that composes an integral instrument in the sense that the component parts one locked together and not physically separable while in the body. As such change is need for only a single trocar for introduction of the instrument and control is facilitated by the need to maneuver only the instrument.
The present invention is a modification of the suture instrument described in U.S. Pat. No. 4,596,249 that issued on Jun. 24, 1986 to Vincent J. Freda and Henry Puchalski and is unassigned.
REFERENCES:
patent: 4596249 (1986-06-01), Freda et al.
patent: 5454823 (1995-10-01), Richardson et al.
patent: 5690652 (1997-11-01), Wurster et al.
patent: 5843099 (1998-12-01), Nichols et al.
patent: 5908428 (1999-06-01), Scirica et al.
patent: 5980538 (1999-11-01), Fuchs et al.
Freda Vincent
Mazzola Richard V.
Jackson Gary
Sommer Evelyn M.
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