Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1987-04-13
1989-10-17
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
128303R, 128330, 128 20, A61M 518
Patent
active
048743755
ABSTRACT:
An improved tissue retractor serves as a multifunctional surgical instrument particularly adapted for use during arthroscopic surgery. The instrument is preferably capable of putting tissue into tension either in a direction toward the arthroscopic portal or away from the portal. When tensioning toward the portal, the instrument acts as a tissue retractor. When tensioning away from the portal, the instrument acts as a distender or stretcher of tissue. The instrument includes a pointed obturator slidingly contained within a hollow sheath. The obturator includes a reduced cross-sectional area near the pointed end which acts as a barb when retracting tissue. In one embodiment, the hollow sheath has a bevelled, pointed end which disengages tissue from the obturator. A nozzle attached to the remote end of the hollow sheath may be attached to a syringe for introduction of fluid into the tissue. The instrument can also be used as a needle probe.
REFERENCES:
patent: 1059631 (1913-04-01), Popovics
patent: 1798124 (1931-03-01), Hunn
patent: 1867624 (1932-07-01), Hoffman
patent: 2811971 (1957-11-01), Scott
patent: 3001522 (1961-09-01), Silverman
patent: 3040739 (1962-06-01), Grieshaber
patent: 3404677 (1968-10-01), Springer
patent: 3406685 (1968-10-01), May
patent: 3410269 (1968-11-01), Hovick
patent: 3716058 (1973-02-01), Tanner
patent: 3774606 (1973-11-01), Norton
patent: 3857386 (1974-12-01), Ashbell
patent: 3929123 (1975-12-01), Jamshidi
patent: 3964468 (1976-06-01), Schulz
patent: 3995619 (1976-12-01), Glatzer
patent: 4051844 (1977-10-01), Chiulli
patent: 4116232 (1978-09-01), Rabban
patent: 4182327 (1980-01-01), Haley
patent: 4200111 (1980-04-01), Harris
patent: 4221212 (1980-09-01), Miller
patent: 4235238 (1980-11-01), Ogui et al.
patent: 4243047 (1981-01-01), Olsen
patent: 4243048 (1981-01-01), Griffin
patent: 4340066 (1982-07-01), Shah
patent: 4378019 (1983-03-01), Yamada
patent: 4382444 (1983-05-01), Malmin
patent: 4392495 (1983-07-01), Bayers
patent: 4396021 (1983-08-01), Baumgartner
patent: 4406237 (1983-09-01), Eguchi et al.
patent: 4440171 (1984-04-01), Nomoto et al.
patent: 4459978 (1984-07-01), Kotsanis
patent: 4461281 (1984-07-01), Carson
patent: 4465070 (1984-08-01), Eguchi
patent: 4517965 (1985-05-01), Ellison
patent: 4520797 (1985-06-01), Petersen
patent: 4723546 (1988-02-01), Zagorski
Arthroscopic Retractor, Techmedia, Inc., advertisement.
John B. McGinty, M.D., "Arthroscopy of the Knee: Update and Review", Orthopedics Digest, Nov.-Dec., 1979, 7:17-35.
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