1
Daniel S J Choy: Laser tunnelling device. Wolder Gross & Yavner, June 17, 1980: US04207874 (182 worldwide citation)

A device for use primarily in medical applications to locate, analyze, illuminate and destroy obstructions in a tube. The device includes a fiberoptics bundle for insertion to the tube in a flexible conduit. The conduit includes a connection to a suction source at one of its ends, a valved means of ...


2
Daniel S J Choy: Method for using a ventricular assist device. August 11, 1987: US04685446 (112 worldwide citation)

A left ventricular assist device consisting of a balloon inflated and deflated sequentially to coincide with ventricular systole and diastole, respectively, placed within the left ventricle, thereby augmenting ejection of blood.


3
Daniel S J Choy, Robert B Case: Heart assist device. Pasquale A Razzano, February 20, 1990: US04902273 (96 worldwide citation)

Improved heart assist devices are disclosed. An improved heart assist device includes a catheter having a first lumen and a second lumen. An inflatable intraventricular balloon is located at the distal end of the catheter. The interior of the intraventricular balloon communicates with the first lume ...


4
Daniel S J Choy, Robert B Case: Heart assist device and method of use. Curtis Morris & Safford, September 20, 1988: US04771765 (68 worldwide citation)

Improved heart assist devces are disclosed. An improved heart assist device includes a catheter having a first lumen and a second lumen. An inflatable intraventricular balloon is located at the distal end of the catheter. The interior of the intraventricular balloon communicates with the first lumen ...


5
Daniel S J Choy: Spinal acupressure device. Schweitzer Cornman & Gross, March 1, 1994: US05290307 (19 worldwide citation)

An acupressure belt for the treatment of lower back pain is formed of a central fabric panel to which opposed elastic panels are affixed. The elastic panels terminate in a pair of end panels which may be joined together to retain the belt about the torso of the wearer. Located on the inner surface o ...


6
Daniel S J Choy: Spinal acupressure device. Schweitzer Cornman & Gross, August 29, 1995: US05445647 (18 worldwide citation)

An acupressure belt for the treatment of lower back pain is formed of a central fabric panel to which opposed elastic panels are affixed. The elastic panels terminate in a pair of end panels which may be joined together to retain the belt about the torso of the wearer. Located on the inner surface o ...


7
Daniel S J Choy: Method and apparatus for treatment of monofrequency tinnitus utilizing sound wave cancellation techniques. Daniel S J Choy, Steven L Nichols, Paul W Fish, Rader Fishman & Grauer PLLC, August 26, 2003: US06610019 (7 worldwide citation)

Tinnitus is defined as sound(s) heard by an individual when no external sound is present and often takes the form of a hissing, ringing, chirping or clicking sound which may be either intermittent or constant. According to the American Tinnitus Association, tinnitus affects tens of millions of Ameri ...


8
Daniel S J Choy, Arpad Fejos Jr, Arpad Fejos Sr: Method and device for positioning a patient for the diagnosis of herniated lumbar disc disease. Schweitzer Cornman Gross & Bondell, March 23, 2004: US06708693 (6 worldwide citation)

A method and device for selectively creating intra-spinal pressure in a patient allows improved diagnosis of spinal disorders, particularly through MRI imaging. A harness is worn by the patient above the spinal area to be imaged and the patient lies supine. The harness is connected to a tensioning u ...


9
Daniel S J Choy: Method and apparatus for treatment of mono-frequency tinnitus. Tinnitus Control, Steven L Nichols, Paul W Fish, Rader Fishman & Grauer PLLC, January 25, 2005: US06846284 (5 worldwide citation)

Reciprocal noise cancellation of a patient's mono-frequency tinnitus tone is achieved utilizing an externally generated tone which is subjectively defined by a mono-frequency tinnitus patient to match his/her tinnitus tone in frequency and amplitude. An externally generated sound wave, selectively d ...


10
Daniel S J Choy: Method and apparatus for treatment of monofrequency tinnitus utilizing sound wave cancellation techniques. Tinnitus Care, Steven L Nichols, Rader Fishman & Grauer PLLC, March 25, 2008: US07347827 (3 worldwide citation)

Tinnitus is defined as sound(s) heard by an individual when no external sound is present and often takes the form of a hissing, ringing, chirping or clicking sound which may be either intermittent or constant. According to the American Tinnitus Association, tinnitus affects tens of millions of Ameri ...