Tissue distracting cannula

Details Tissue distracting cannula Tissue distracting cannula

1998-02-06

1999-04-20

Hirsch, Paul J.

Surgery

Specula

Retractor

604175, A61M 532

Patent

active

058953515

ABSTRACT:
A distracting cannula is provided which includes a first penetrating member having a first end and a second end. The first penetrating member has an internal surface providing a through bore operative to receive an elongated surgical instrument. The first penetrating member has an external gripping surface disposed between the first and second ends that is provided by a helical thread. A generally conical shroud has an open end for contacting the patient's skin. An opposite end of the shroud is attached to the first penetrating member near the second end. The first penetrating member first end is inserted into a portal incision of the patient's body until the shroud open end contacts the patient's skin. Torquing the tissue distracting cannula further caused the tissue gripping surface of the first penetrating member to pull the surrounding tissue upward into a cavity created by the shroud.

REFERENCES:
patent: 52014 (1866-01-01), Bartlett
patent: 58709 (1866-10-01), Worral
patent: 400589 (1889-04-01), Molesworth
patent: 2804796 (1957-09-01), Devine
patent: 2850788 (1958-09-01), Rypysc
patent: 3132645 (1964-05-01), Gasper
patent: 3352301 (1967-11-01), Abelson
patent: 4350147 (1982-09-01), Sarrine
patent: 4608965 (1986-09-01), Anspach, Jr. et al.
patent: 5165387 (1992-11-01), Woodson
patent: 5226890 (1993-07-01), Ianniruberto et al.
patent: 5290249 (1994-03-01), Foster et al.
patent: 5354302 (1994-10-01), Ko
patent: 5364367 (1994-11-01), Banks et al.
patent: 5370625 (1994-12-01), Shichman
patent: 5372583 (1994-12-01), Roberts et al.
patent: 5449257 (1995-09-01), Giannuzzi
patent: 5460170 (1995-10-01), Hammerslag
patent: 5484420 (1996-01-01), Russo
patent: 5556385 (1996-09-01), Anderson
patent: 5573496 (1996-11-01), McPherson et al.
patent: 5577993 (1996-11-01), Zhu et al.
patent: 5634882 (1997-06-01), Gagner
patent: 5649949 (1997-07-01), Wallace et al.
patent: 5651773 (1997-07-01), Perry et al.
patent: 5713869 (1998-02-01), Morejon
patent: 5716325 (1998-02-01), Bonutti
patent: 5716326 (1998-02-01), Dannan
patent: 5728103 (1998-03-01), Picha et al.
patent: 5746720 (1998-05-01), Stouder, Jr.
patent: 5766220 (1998-06-01), Moennining
Advertising Flyer of a Cannula by Arthrex Naples FL 1997, Stephen Burkhart MD San Antonio TX.

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