1
Phillip C Burke: Method of removing plaque using catheter cutter with torque control. Device for Vascular Intervention, Townsend and Townsend Khourie and Crew, December 13, 1994: US05372602 (292 worldwide citation)

The invention provides a motor drive unit for use in conjunction with an atherectomy device which limits the torque exerted on a drive cable for rotating a cutting blade in the device. In a preferred embodiment, a motor drive unit includes a motor having a shaft coupled to the drive cable for rotati ...


2
John B Simpson, Hanson S Gifford III, Kenneth A Stenstrom: Motor drive unit. Devices for Vascular Intervention, Flehr Hohbach Test Albritton & Herbert, September 20, 1988: US04771774 (235 worldwide citation)

Motor drive unit for use with an atherectomy device having a flexible drive cable and a finger operated member for advancing and retracting the drive cable. The drive unit comprises a motor and a power supply mounted in a case of a size which fits comfortably in a human hand, with a power switch pos ...


3
Anthony Pantages, Donald S Mamayek: Magnetic catheter drive shaft clutch. Scimed Life Systems, Orrick Herrington & Sutcliffe, February 11, 2003: US06517528 (231 worldwide citation)

Rotating element catheters and catheter assemblies employ clutch assemblies for preventing rotational energy from being transmitted from a motor drive unit to the catheter element under defined circumstances. The catheter assembly includes an elongate member in which there is disposed a rotatable ca ...


4
Cecil Boyd: Bio-medical injector apparatus. Head Johnson & Stevenson, September 23, 1986: US04613328 (100 worldwide citation)

A bio-medical injector apparatus comprising a base unit having a skin engaging portion disposed at an angular orientation with respect to the longitudinal axis of the base unit for supporting and maintaining a hypodermic needle at an optimum angular orientation for effecting an injection procedure, ...


5
Karl O A H Larsson: Drive unit adapted for use with manual piston pump. ISG, Willian Brinks Olds Hofer Gilson & Lione, April 16, 1991: US05007899 (92 worldwide citation)

An improved breast pump assembly, including a manually operable breast pump that can be used in a manual mode by hand-driving the breast pump, provides a motor drive unit which is adapted to receive and hold the manually operable piston pump of the breast pump, with a pump drive for reciprocating th ...


6
Manish Pande, Yunwei Li: Motor drive using flux adjustment to control power factor. Rockwell Automation Technologies, Boyle Fredrickson, Alexander R Kuszewski, March 23, 2010: US07683568 (57 worldwide citation)

The switching rectifier and switching inverter on a motor drive unit are modulated to indirectly change the magnitude of current and voltage stored in DC link by controlling the magnetic field of the motor to correct for both power factor lead and power factor lag over a wide range of motor speeds a ...


7
Katsuo Kobari, Naoto Ota, Naoyuki Suzuki, Yuji Kanamori: Drive motor control unit. Fanuc, Staas & Halsey, March 13, 1990: US04908738 (47 worldwide citation)

A motor drive unit used in controlling an AC motor which drives the spindle or feed shaft of a machine tool is suitable for automatic assembly in which a plurality of electrical components are mounted and wired. In accordance with the motor drive unit of the invention, an upper frame (2) supporting ...


8
Phillip C Burke: Motor drive unit with torque control circuit. Devices for Vascular Intervention, Townsend and Townsend and Crew, January 16, 1996: US05485042 (45 worldwide citation)

The invention provides a motor drive unit for use in conjunction with an atherectomy device which limits the torque exerted on a drive cable for rotating a cutting blade in the device. In a preferred embodiment, a motor drive unit includes a motor having a shaft coupled to the drive cable for rotati ...


9
Eberhard Schnelle: Operation table with removably mounted patient support surface means. Stierlen Maquet, January 18, 1994: US05279011 (43 worldwide citation)

In an operating table with a support column (2) and a patient support surface means (14) removably mounted on the support surface, which patient support surface means includes a base section (16) releasably connectable with the support column (12) and at least one further support surface section (18 ...


10
Toshiyuki Ajima, Hideki Miyazaki, Yukio Kawabata, Kiyoshi Sakamoto, Takao Yanai, Osamu Koizumi: Synchronous motor drive unit and a driving method thereof. Hitachi, Crowell & Moring, November 13, 2007: US07294988 (40 worldwide citation)

A rotary sensor that outputs two analog signals, such as one sine wave and one cosine wave and has multiple periods within one period of the electrical angle of a motor is employed. The motor is energized at each position for a specified length of time upon its startup by using multiple electrical a ...