Ultrasonic cutting tool for medical use

Description

FIG. 1 is a perspective view of an ultrasonic cutting tool for medical use showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the view opposite to that disclosed in FIG. 3 is identical to that shown in FIG. 3;

FIG. 4 is an end elevational view thereof; and,

FIG. 5 is an end elevational view opposite that shown in FIG. 4.

The broken line showing the connector in FIGS. 1-3 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
2714890 August 1955 Vang
3086288 April 1963 Balamuth et al.
3526219 September 1970 Balamuth
3589363 June 1971 Banko et al.
3693613 September 1972 Kelman
3809977 May 1974 Balamuth et al.
3823717 July 1974 Pohlman et al.
3862630 January 1975 Balamuth
3990452 November 9, 1976 Murray et al.
4041947 August 16, 1977 Weiss et al.
4063557 December 20, 1977 Wuchinich et al.
4184510 January 22, 1980 Murry et al.
4188952 February 19, 1980 Loschilov et al.
4248232 February 3, 1981 Engelbrecht et al.
4298074 November 3, 1981 Mattchen
4425115 January 10, 1984 Wuchinich
4497320 February 5, 1985 Nicholson et al.
4705038 November 10, 1987 Sjostrom et al.
4705500 November 10, 1987 Reimels et al.
4750488 June 14, 1988 Wuchinich et al.
4832683 May 23, 1989 Idemoto et al.
4834081 May 30, 1989 Van Zile
4846161 July 11, 1989 Roger
5019083 May 28, 1991 Klapper et al.
Other references
  • "Orthopedic Catalog" Richards Manufacturing Inc. pp. 10, 14, 20 .COPYRGT.1981. "Complete Replacement Arthroplasty of the Hip by the Ring Prosthesis", The Journal of Bone and Joint Surgery, P. A. Ring, pp. 720-731 (British) vol. 50B, No. 4, Nov. 1968. "A New Technique for Removal of Broken Femoral Stem in Total Hip Replacement" by William H. Harris, et al., The Journal of Bone and Joint Surgery, vol. 63-A, No. 5, Jun. 1981. Biological Fixation of the Porocoat AML.RTM. Hip--Manual for Pre-Operative Planning and Recommended Surgical Technique (1984) by Charles A. Engh, M.D. and J. Dennis Bobyn, Ph.D. "Proximal Femoral Osteotomy in Difficult Revision Hip Surgery: How to Revise the Unrevisable" by Hugh H. Cameron, Ph.D., Contemporary Orthopaedics, May 1989, vol. 18, No. 5. Photographs 1-3 illustrating an ultrasonic aspiration surgical tool used in neural surgery, designed by Dr. David Wuchinich and disclosed in 1967. Photographs 4-15 illustrating three ultrasonic surgical tools manufactured by Quinton and distributed by Howmedica, Inc. in 1985.
Patent History
Patent number: D344799
Type: Grant
Filed: Jun 11, 1991
Date of Patent: Mar 1, 1994
Assignee: Advanced Osseous Technologies, Inc. (Aliso Viejo, CA)
Inventors: Larry L. Hood (Laguna Hills, CA), Gregg Hughes (El Toro, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Law Firm: Knobbe, Martens, Olson & Bear
Application Number: 7/714,076