Ultrasonic cutting tool for medical use

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Description

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

FIG. 2 is a top plan view thereof, the bottom plan view of which is identical to that shown in FIG. 2;

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

FIG. 4 is an elevational view thereof; and,

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

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

Referenced Cited
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Other references
  • "Orthopedic Catalog" Richards Manufacture Co Inc pp. 10, 14, 20. "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 Stems 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: D341201
Type: Grant
Filed: Jun 11, 1991
Date of Patent: Nov 9, 1993
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: 7/714,100