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, Emmanuel Blanc, Francois Lacoste: Therapy and imaging probe and therapeutic treatment apparatus utilizing it. Technomed Medical Systems, Cohen Pontani Lieberman & Pavane, February 24, 1998: US05720287 (196 worldwide citation)

The therapy and imaging probe of the invention comprises a probe body (20') of an elongate shape defining a general axis (X--X), one imaging transducer (40') for transmitting imaging waves, and one therapy transducer (30') for transmitting therapy waves. The imaging transducer is mounted on first su ...


3
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.


4
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 ...


5
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 ...


6
Mathieu Ribault, Francois LaCoste, Jean Yves Chapelon, Emmanuel Blanc: Frequency adjustment in high intensity focused ultrasound treatment apparatus. Technomed Medical Systems, Institut National de La Santa et de La Recherche Medicale, Welsh & Katz, December 3, 2002: US06488639 (94 worldwide citation)

The invention concerns an apparatus for treating a biological sample by emitting focused high intensity ultrasounds towards a focal point, characterised in that it comprises means emitting wideband focused ultrasounds. The apparatus enables to adjust the focused ultrasound frequency according to the ...


7
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 ...


8
Jean Yves Chapelon, Emmanuel Blanc: Use of A-mode echography for monitoring the position of a patient during ultrasound therapy. Technomed Medical Systems, Institut National de la Sante et de la Rcherche Medicale, Welsh & Katz, February 24, 1998: US05720286 (56 worldwide citation)

An A-mode ultrasound echography method is employed for monitoring the position of a patient during hyperthermia treatment. A therapy apparatus includes a therapy device having at least one ultrasound therapy transducer and at least one monitoring ultrasound transducer, where the ultrasound monitorin ...


9
Joseph Godo, Emmanuel Blanc: Coupling medium for high-power ultrasound. Technomed Medical Systems, Welsh & Katz, August 13, 2002: US06432069 (50 worldwide citation)

A coupling medium for high-power ultrasound including a liquid aqueous solution of a hydrophilic polymer, notably polyvinylpyrrolidone, is provided together with ultrasound therapy apparatus including a therapy transducer adapted to transmit high-power ultrasound arranged in an enclosure, a portion ...


10
Gerard Hascoet, Francois Lacoste, Emmanuel Blanc: Use of ultrasound for detecting and locating a bony region, method and apparatus for detecting and locating such a bony region by ultrasound. Technomed International, Cohen Pontani Lieberman Pavane, August 17, 1993: US05235981 (33 worldwide citation)

The invention relates to a method and to apparatus for detecting and locating a bony region by ultrasound. The apparatus comprises at least one ultrasound transducer component mounted on means for displacing it in three dimensions, which transducer emits signals that are received by processor means ...