Surgery – Instruments – Cutting – puncturing or piercing
Patent
1996-06-10
1998-06-16
Dawson, Glenn K.
Surgery
Instruments
Cutting, puncturing or piercing
606166, A61F 0900
Patent
active
057661987
ABSTRACT:
The present invention discloses a surgical instrument system including a surgical knife for use in incising a tissue of a patient and a vacuum system coupled to the surgical knife. The surgical knife includes a blade having a cutting edge and tip associated therewith and having a width for making an incision in a tissue of a patient, and an incision depth control guard having a surface normal to the blade and at a predetermined distance above the tip of the blade. The surface of the depth control guard normal to the blade has an opening formed therein through which a vacuum is drawn to create a suction force whereby the tissue to be incised is pulled into substantial contact with the surface. The system further includes a vacuum device suitably operative to create a suction force through the opening in the surface of the incision depth control guard to thereby maintain substantial contact between the tissue to be incised and the surface of the incision depth control guard.
REFERENCES:
patent: 4340059 (1982-07-01), Marinoff
patent: 4552146 (1985-11-01), Jensen et al.
patent: 4564637 (1986-01-01), Schachar
patent: 4602630 (1986-07-01), Anis
patent: 4606623 (1986-08-01), Schachar
patent: 4688570 (1987-08-01), Kramer et al.
patent: 4705037 (1987-11-01), Peyman et al.
patent: 4724837 (1988-02-01), Gannon
patent: 4750489 (1988-06-01), Berkman et al.
patent: 4804364 (1989-02-01), Dieras et al.
patent: 4815463 (1989-03-01), Hanna
patent: 4844060 (1989-07-01), Krumeich
patent: 5201747 (1993-04-01), Mastel
patent: 5336236 (1994-08-01), Nevyas-Wallace
patent: 5405355 (1995-04-01), Peyman et al.
patent: 5458610 (1995-10-01), Feaster
Gerrit R.J. Melles, et al., "Effect of Blade Configuration, Knife Action, and Intraocular Pressure on Keratotomy Incision Depth and Shape," Cornea, vol. 12, No. 4, 1993, pp. 299-309.
Perry Binder, MD. "Mastel Byron Radial Keratotomy Guide," Journal of Refractive & Corneal Surgery,vol. 10, Nov./Dec. 1994, pp. 656-657.
Henry Gelender, M.D., et al., "Vacuum Fixation Ring for Radial Keratotomy," Ophthalmic Surgery, vol. 15, No. 2, Feb. 1984, pp. 126-127.
Steven R. Unterman, M.D. "Diamond Knife Corneal Incisions, " Ophthalmic Surgery, vol. 15, No. 3, Mar. 1984, pp. 199-202.
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