Ultrasonic ablation catheter device having multiple ultrasound transmission members

Patent 5368557 Issued on November 29, 1994. Estimated Expiration Date:

May 5, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3352303

3433226

3526219

3565062

3589363

3618594

3823717

3861391

3896811

Surgical instrument for ultrasonic separation of biological tissue
Patent #: 4188952
Issued on: 02/19/1980
Inventor: Loschilov , et al.

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Inventors

Assignee

Baxter International Inc.

Application

No. 061872 filed on 05/05/1993

US Classes:

604/22, With means for cutting, scarifying, or vibrating (e.g., ultrasonic, etc.) tissue601/2Ultrasonic

Examiners

Primary: Rosenbaum, C. Fred
Assistant: Rafa, Michael

Attorney, Agent or Firm

Stetina & Brunda

Foreign Patent References

189329 EP. 07/12/1986
234951 EP. 02/12/1987
293472 EP. 12/12/1988
315290 EP. 05/12/1989
347098 EP. 12/12/1989
208175 EP. 04/12/1990
443256 EP. 08/12/1991
472368 EP. 02/12/1992
2424733 FR. 01/12/1980
2641693 FR. 07/12/1990
2349120 DE. 04/12/1975
2453058 DE. 05/12/1976
2453126 DE. 05/12/1976
2541919 DE. 03/12/1977
2703486 DE. 12/12/1977
3706921 DE. 09/12/1987
3707567 DE. 09/12/1987
3826414 DE. 02/12/1989
3812836 DE. 04/12/1990
2208138 GB. 03/12/1989
2212267 GB. 07/12/1989
WO87/01276 WO. 03/12/1987
WO87/05793 WO. 10/12/1987
WO89/05123 WO. 07/12/1989
WO89/06515 WO. 07/12/1989
WO89/07419 WO. 08/12/1989
WO90/01300 WO. 02/12/1990
WO90/07383 WO. 07/12/1990
WO91/02489 WO. 03/12/1991
WO91/14401 WO. 10/12/1991

International Class

A61B 017/70

Abstract

An ultrasound catheter device for transmitting ultrasound into a mammalian body comprising an elongate catheter body having at least one lumen extending longitudinally therethrough. Also extending longitudinally through the lumen are at least two ultrasound transmission members, each of which have a proximal end coupleable to an external ultrasound source and a distal end which terminates near the distal end of the catheter.

Other References

Circulation, vol. 81, No. 2,2/190, "Application of a New Phased-Arrayed Ultrasound Imaging Catheter in the Assessment of Vascular Dimensions", pp. 660-666
2643272, Aug. 24, 1990, Abstract
GM8119209, Sep. 1981, Abstract
1531659, Jul. 21, 1977, Abstrac