Damping ultrasonic transmission components

United States Patent [w]

Estabrook et al.

[54] DAMPING ULTRASONIC TRANSMISSION COMPONENTS

[75] Inventors: Brian Estabrook, Foxboro; Stephen DiMatteo, Seekonk, both of Mass.; Paul Smith, West Kingston, R.I.

[73] Assignee: Ethicon Endo-Surgery, Inc.,

Cincinnati, Ohio

[ * ] Notice: This patent issued on a continued prosecution application filed under 37 CFR 1.53(d), and is subject to the twenty year patent term provisions of 35 U.S.C. 154(a)(2).

This patent is subject to a terminal disclaimer.

[21] Appl. No.: 08/808,652 [22] Filed: Feb. 28, 1997

[51] Int. CI. A61B 17 00

[52] U.S. CI 606/169; 604/22

[58] Field of Search 606/167, 169-171,

606/180; 604/22; 601/2

[56] References Cited

U.S. PATENT DOCUMENTS

Re. 30,536 3/1981 Perdreaux, Jr. . 2,845,072 7/1958 Shafer . 2,874,470 2/1959 Richards .

(List continued on next page.)

FOREIGN PATENT DOCUMENTS

UltraCision Incorporated, The harmonic Scalpel® For Gynecological Surgery, Product Sheet, Sep. 1992. UltraCision Incorporated, The Harmonic Scalpel® For General Surgery, Product Sheet, Jan. 1993. Snowden-Pencer, Inc., Endoscopic Plastic Surgery, 1993. UltraCision Incorporated, Harmonic Scalpel® Price List, 1995.

UltraCision Incorporated, Harmonic Scalpel® Operating Manual, Mar. 1995.

Ethicon Endo-Surgery, Inc., Ultracision CS/LCS Layout Brochure, 1996.

Cooper LaserSonics, Inc., Ultrasonic Surgucal Aspirator NS-100 Operator Manual, 1984, pp. 12, 13, 16, 17, and 29-33.

Primary Examiner—Michael Buiz
Assistant Examiner—-William Lewis

[57] ABSTRACT

An ultrasonic surgical device in accordance with the present invention includes a transmission component adapted to receive ultrasonic vibration from a transducer assembly and to transmit the ultrasonic vibration from a first end to a second end. An inner damping member surrounds at least a portion of the transmission component. The dampening member is adapted to contact the transmission component to dampen undesired vibration during ultrasonic transmission.

26 Claims, 6 Drawing Sheets

Page 2

3,053,124 3,075,288 3,076,904 3,213,537 3,368,280 3,375,583 3,433,226 3,488,851 3,489,930 3,518,766 3,526,036 3,526,792 3,589,012 3,589,363 3,593,425 3,636,943 3,636,947 3,645,255 3,654,502 3,654,540 3,657,056 3,703,037 3,792,701 3,809,977 3,819,961 3,842,340 3,930,173 3,956,826 3,967,143 4,156,157 4,169,984 4,175,242 4,188,952 4,223,676 4,227,110 4,370,131 4,371,816 4,375,961 4,406,284 4,491,132 4,492,574 4,522,206 4,655,216 4,723,545 4,750,488 4,808,153 4,816,018 4,820,152 4,825,865 4,832,683 4,867,141 4,870,953 4,897,079 4,920,954 4,922,902 4,931,047 4,936,281 4,974,590

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