1
Jean Yves Chapelon, Dominique Cathignol, Albert Gelet, Emmanuel Blanc: Ultrasound therapy apparatus delivering ultrasound waves having thermal and cavitation effects. Technomed Medical Systems, Institut National de la Sante et de la Recherche Medicale, Pennie & Edmonds, February 11, 1997: US05601526 (322 worldwide citation)

A method and apparatus for performing therapy using ultrasound. The apparatus uses a treatment device having at least one piezoelectric transducer element to supply ultrasonic waves focussed onto a focal point or region that determines the tissue zone submitted to therapy. The treatment device, whic ...


2
Jean Yves Chapelon, Dominique Cathignol, Emmanuel Blanc: Use of at least one composite piezoelectric transducer in the manufacture of an ultrasonic therapy apparatus for applying therapy, in a body zone, in particular to concretions, to tissue, or to bones, of a living being and method of ultrasonic therapy. Technomed International, Institut National de Recherche Meicale, Cohen Pontani Lieberman Pavane, May 31, 1994: US05316000 (181 worldwide citation)

The invention relates to a composite piezoelectric transducer for making an acoustic or an ultrasonic therapeutic apparatus. The transducer may be a single large-size transducer or it may be a multi-transducer device and it advantageously emits ultrasonic waves that are focused on a focal point.


3
Cyril Lafon, Jean Yves Chapelon, Dominique Cathignol, Frederic Prat: Ultrasound applicator for heating an ultrasound absorbent medium. Institut National de la Santa et de la Recherche Medicale I N S E R M, Dennison Scheiner & Schultz, April 30, 2002: US06379320 (154 worldwide citation)

An ultrasound applicator for heating, via an internal path, an ultrasound absorbent medium, includes an application head having a longitudinal axis and including at least one ultrasonic transducer having a planar emission face and an opposite face, a leakproof membrane which overlays and is spaced f ...


4
Dominique Cathignol, Jean Yves Chapelon: Apparatus for selective destruction of cells by implosion of gas bubbles. Technomed Int l, Institut National de la Sante, Cohen Pontani Lieberman Pavane, June 15, 1993: US05219401 (151 worldwide citation)

The invention relates to an apparatus for selective destruction of cells including soft tissues and bones inside a living subject's body.


5
Jean Y Chapelon, Dominique Cathignol, Albert Gelet, Emmanuel Blanc: Therapeutic endo-rectal probe and apparatus constituting an application thereof for destroying cancer tissue, in particular of the prostate, and preferably in combination with an imaging endo-cavitary-probe. Technomed Medical Systems, Iserm Institut National de la Sante et de la Recherche Medicale, Cohen Pontani Lieberman Pavane, December 12, 1995: US05474071 (148 worldwide citation)

A therapeutic endo-rectal probe comprises a piezoelectric transducer element mounted in a support member itself connected to a rigid guide means enabling endo-rectal insertion of the probe, the outside shape of the support member preferably being that of a disk having an outline that is for the most ...


6
Jean Yves Chapelon, Dominique Cathignol, Albert Gelet, Emmanuel Blanc: Therapeutic endo-rectal probe, and apparatus constituting an application thereof for destroying cancer tissue, in particular of the prostate, and preferably in combination with an imaging endo-cavitary-probe. Technomed Medical Systems Inserm Institut National de la Sante et de la Recherche Medicale, Parc d Activites la Poudrette Lamartine, Cohen Pontani Lieberman Pavane, September 16, 1997: US05666954 (136 worldwide citation)

A therapeutic endo-rectal probe comprises at least a piezoelectric transducer element mounted in a support member itself connected to a rigid guide means enabling endo-rectal insertion of said probe, the outside shape of said support member preferably being that of a disk having an outline that is f ...


7
Francois Lacoste, Dominique Cathignol: Apparatus and method for location and treatment using ultrasound. Technomed Medical Systems, Institut National de la Sante et de la Recherche Medicale, Welsh & Katz, January 13, 2004: US06676601 (93 worldwide citation)

A method for treating myomas or tumors having a pedicle includes the steps of locating the pedicle of a myoma or a tumor using Doppler echography and delivering focused ultrasound to the pedicle.


8
Dominique Cathignol: Sensor for pressure measurement in a liquid medium. Inst Nat Sante Rech Med, April 3, 1992: FR2667396-A1 (71 worldwide citation)

- Pressure measurement. - The sensor is characterised in that the electric charges appearing in line with the polarised region on the two faces of the membrane are conveyed in the case of at least one of them by a liquid or paste with electrically conducting nature towards electrodes situated outsid ...


9
Jean Yves Chapelon, Dominique Cathignol, Emmanuel Blanc: Adjustable focusing therapeutic apparatus with no secondary focusing. Technomed Medical Systems, Welsh & Katz, April 14, 1998: US05738635 (56 worldwide citation)

The invention relates to the use of Dirac-type autocorrelation function signals for powering multielements ultrasonic transducers used in therapeutic application in order to minimize or eliminate secondary focusing. The Dirac-type autocorrelation function signals may be generated by a pseudo random ...


10
Dominique Cathignol, Chantal Delon Martin, Jean Yves Chapelon, Francois Lacoste, Catherine Guers: Ultrasound apparatus for extracorporeal therapeutic treatment of superficial varicose veins. Technomed Int, Inst Nat Sante Rech Med, August 14, 1992: FR2672486-A1 (40 worldwide citation)

The invention relates to an ultrasound apparatus for extracorporeal treatment of superficial varicose veins. This apparatus is characterised in that it comprises an ultrasound treatment device (12) having means for focusing the ultrasound waves, defining a focal region (F) where the ultrasound waves ...