1
Kenneth S Kramer, Kevin L Houser: Active load control of ultrasonic surgical instruments. Ethicon Endo Surgery, Verne E Kreger Jr, March 5, 2002: US06352532 (400 worldwide citation)

Ultrasonic instruments, and particularly solid core ultrasonic instruments, are advantageous because they may be used to cut and/or coagulate organic tissue using energy in the form of mechanical vibrations transmitted to a surgical end-effector at ultrasonic frequencies. The present invention provi ...


2
Elmo A Blubaugh Jr, Alan R Brunsman, Kevin L Houser: Implantable sensor employing an auxiliary electrode. Implanted Biosystems, Thompson Hine & Flory, June 22, 1999: US05914026 (398 worldwide citation)

An implantable sensor comprising a biocompatible electroconductive case which houses a measuring electrode, a reference electrode, an auxiliary electrode, and an electronic circuit for measuring the response of the measuring electrode where the measuring electrode, reference electrode and auxiliary ...


3
Kevin L Houser, Jorge N Gutierrez, Sarah A Cook, Laura A Gallagher: Ultrasonic surgical blade with improved cutting and coagulation features. Ethicon Endo Surgery, Verne E Kreger, July 23, 2002: US06423082 (189 worldwide citation)

The present invention is directed to an ultrasonic surgical blade including a top surface, a bottom surface and a cutting-edge. The cutting-edge is defined by a cutting-surface intermediate the top surface and the bottom surface, and the top surface has a width greater than the width of the bottom s ...


4
Foster B Stulen, Steven K Neuenfeldt, Kevin L Houser: Ultrasonic surgical blade and instrument having a gain step. Ethicon Endo Surgery, January 16, 2007: US07163548 (174 worldwide citation)

An ultrasonic surgical blade, and an instrument, having a gain step. The blade body has, in any half wave length of the ultrasonic-surgical-blade body, a first vibration antinode, a vibration node, a second vibration antinode, and a gain step. The gain step is located between the second vibration an ...


5
Richard S Smith, Kevin L Houser, Charles A Hansford, Pamela K Jacobs, Richard F Schwemberger: Trocar safety shield locking mechanism. Ethicon, Emil Richard Skula, February 7, 1995: US05387197 (162 worldwide citation)

A trocar and trocar obturator assembly having an obturator and a locking mechanism responsive to proximal, axial movement of the trocar obturator is disclosed. The trocar obturator has an elongated obturator shaft having a proximal end and a distal end with a piercing tip mounted thereto. The proxim ...


6
Kevin L Houser, Mark A Neurohr, Steven K Neuenfeldt, Scott N Barton: Handle assembly having hand activation for use with an ultrasonic surgical instrument. Ethicon Endo Surgery, Verne E Kreger Jr, December 7, 2010: US07846155 (102 worldwide citation)

An ultrasonic clamp coagulator assembly that is configured to permit selective cutting, coagulation and clamping of tissue during surgical procedures. An elongated portion of the instrument can be configured for endoscopic applications and has an outside diameter of less than 6 mm. The construction ...


7
Foster B Stulen, Kevin L Houser, Eitan T Wiener: Folded ultrasonic end effectors with increased active length. Ethicon Endo Surgery, March 8, 2011: US07901423 (97 worldwide citation)

An end effector for use with an ultrasonic surgical instrument. A body extends along a longitudinal axis. The body includes a proximal end and a distal end. The proximal end of the body is configured to couple to an ultrasonic transducer configured to produce vibrations at a predetermined frequency. ...


8
Kevin L Houser, Sarah A Noschang, Jorge N Gutierrez: Energy-based medical treatment system and method. Ethicon Endo Surgery, Verne F Kreger Jr, December 21, 2010: US07854735 (97 worldwide citation)

A method for medical treatment includes beginning coagulating patient tissue using an energy-based clamp coagulator, determining the clamping force, and measuring the acoustic impedance of the patient tissue. The method also includes compensating the measured acoustic impedance for clamp pressure an ...


9
Kevin L Houser, Andrew M Zwolinski, Tracy D Lopes, Prasanna Malaviya, Daniel W Price, Louis T DeLuca: Surgical instruments. Ethicon Endo Surgery, K&L Gates, March 27, 2012: US08142461 (94 worldwide citation)

A surgical instrument that may include a housing, a transducer engaged with the housing which can produce vibrations, and an end-effector engaged with the transducer. The surgical instrument can further include an adjustable sheath extending from the housing where the sheath is movable relative to t ...


10
Kevin L Houser: Ultrasound medical instrument having a medical ultrasonic blade. Ethicon Endo Surgery, Verne E Kreger Jr, November 24, 2009: US07621930 (74 worldwide citation)

A first ultrasound medical instrument includes a medical ultrasonic blade having first, second and third blade portions. The second blade portion is more bendable than either of the first and third blade portions. A second ultrasound medical instrument includes a medical ultrasonic blade having a pr ...