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99655 results about "Drive motor" patented technology

Powered surgical stapling device

A powered surgical stapler is disclosed. The stapler includes a housing, an endoscopic portion extending distally from the housing and defining a first longitudinal axis, a drive motor disposed at least partially within a housing and a firing rod disposed in mechanical cooperation with the drive motor. The firing rod is rotatable by the motor about the first longitudinal axis extending therethrough. The stapler also includes an end effector disposed adjacent a distal portion of the endoscopic portion. The end effector is in mechanical cooperation with the firing rod so that the firing rod drives a surgical function of the end effector. The stapler further includes a control system having a plurality of sensors coupled to the drive motor, the firing rod, the loading unit and the end effector, the plurality of sensors configured to detect operating parameters thereof. The control system also includes a microcontroller coupled to the plurality of sensors and being configured to determine operating status of the powered surgical stapler as a function of the detected operating parameters.
Owner:TYCO HEALTHCARE GRP LP

Powered surgical stapling device

A powered surgical stapler is disclosed. The stapler includes a housing, an endoscopic portion extending distally from the housing and defining a first longitudinal axis, a drive motor disposed at least partially within a housing and a firing rod disposed in mechanical cooperation with the drive motor. The firing rod is rotatable by the motor about the first longitudinal axis extending therethrough. The stapler also includes an end effector disposed adjacent a distal portion of the endoscopic portion. The end effector is in mechanical cooperation with the firing rod to fire a surgical fastener. The stapler further includes a current sensor configured to measure a current draw on the motor and a controller configured to determine whether the surgical fastener is successfully deployed based on the current draw on the motor.
Owner:TYCO HEALTHCARE GRP LP

Surgical instrument soft stop

A surgical instrument includes a drive member movable by a drive motor between a home position and an end of stroke. A mechanical stop is disposed at or near the end of stroke and is structured to increase resistance to movement of the drive member from a first position to a second position. A control system detects a current spike associated with the increased resistance and interrupts power to the drive motor.
Owner:CILAG GMBH INT

Core sampling biopsy device with short coupled MRI-compatible driver

A core sampling biopsy device is compatible with use in a Magnetic Resonance Imaging (MRI) environment by being driven by either a pneumatic rotary motor or a piezoelectric drive motor. The core sampling biopsy device obtains a tissue sample, such as a breast tissue biopsy sample, for diagnostic or therapeutic purposes. The biopsy device may include an outer cannula having a distal piercing tip, a cutter lumen, a side tissue port communicating with the cutter lumen, and at least one fluid passageway disposed distally of the side tissue port. The inner cutter may be advanced in the cutter lumen past the side tissue port to sever a tissue sample. A cutter drive assembly maintains a fixed gear ratio relationship between a cutter rotation speed and translation speed of the inner cutter regardless of the density of the tissue encountered to yield consistent sample size.
Owner:DEVICOR MEDICAL PROD

End-effector force measurement drive circuit

A surgical instrument for applying fasteners includes a drive motor, a replaceable loading unit having an end-effector assembly, and an adapter configured to releasably couple a replaceable loading unit to the drive motor. The adapter includes a strain gauge having a drive circuit coupled thereto. The strain gauge and the drive circuit are configured to directly measure a driving force in the adapter.
Owner:TYCO HEALTHCARE GRP LP

Air powered wrench device with pivotable head and method of using

An air powered wrench device with a pivotable head and associated method of using. The device comprises a handle pivotally attached to an arm. The handle comprises a housing, an air intake nozzle, an air driven motor, a drive shaft, a ball bearing collar, a universal joint, an on / off button, a trigger switch, a directional throw switch, a lock pin, a spring, and a pivot post. The arm is pivotally attached to the handle via the pivot post. The arm includes: an outer casing, an extension rod, a ball bearing sleeve, a first pawl gear, a second pawl gear, and a bit connector. The method of using the device comprises the steps of adjoining, affixing, aligning, allowing, enshrouding, getting, moving, obtaining, putting, rotating, shifting, squeezing, and tightening.
Owner:EYSSALLENNE LUIS P

Powered surgical instrument

A surgical instrument including a housing, an endoscopic portion, a drive motor, a drive tube, a firing rod and an end effector is disclosed. The endoscopic portion extends distally from the housing and defines a first longitudinal axis. The drive motor is disposed at least partially within the housing. The drive tube is disposed in mechanical cooperation with the drive motor and is rotatable about a drive tube axis extending through the drive tube. The firing rod is disposed in mechanical cooperation with the drive tube and at least a portion of the firing rod is translatable with respect to the drive tube. The end effector is disposed adjacent a distal portion of the endoscopic portion and is in mechanical cooperation with the firing rod so that the firing rod drives a surgical function of the end effector.
Owner:TYCO HEALTHCARE GRP LP

Powered surgical stapling device

A powered surgical stapler is disclosed. The stapler includes a housing, an endoscopic portion extending distally from the housing and defining a first longitudinal axis, a drive motor disposed at least partially within a housing and a firing rod disposed in mechanical cooperation with the drive motor. The firing rod is rotatable by the motor about the first longitudinal axis extending therethrough. The stapler also includes an end effector disposed adjacent a distal portion of the endoscopic portion. The end effector is in mechanical cooperation with the firing rod so that the firing rod drives a surgical function of the end effector. The stapler further includes a control system having a plurality of sensors coupled to the drive motor, the firing rod, the loading unit and the end effector, the plurality of sensors configured to detect operating parameters thereof. The control system also includes a microcontroller coupled to the plurality of sensors and being configured to determine operating status of the powered surgical stapler as a function of the detected operating parameters.
Owner:TYCO HEALTHCARE GRP LP

Hand tool machine having an oscillatory drive

A hand tool is disclosed, comprising a housing, a motor shaft being coupled to a drive motor, a working spindle configured for being driven rotatingly oscillatingly about its longitudinal axis, and a coupling element being driven rotatingly by the motor shaft and having a closed guide surface that revolves around the motor shaft. The guide surface is coupled, via transmission means, to at least one driver for driving the latter. The at least one driver is arranged movably relative to the working spindle and engages the working spindle at a circumferential region thereof for driving the latter rotatingly oscillatingly.
Owner:C & E FEIN GMBH & CO KG

Powered surgical instrument

A surgical instrument including a housing, an endoscopic portion, a drive gear, a drive motor, a shift motor and an end effector is disclosed. The endoscopic portion extends distally from the housing and defines a longitudinal axis. The drive gear is disposed at least partially within the housing and is rotatable about a drive gear axis which extends therethrough. The drive gear is selectively movable along the drive gear axis. The drive motor is disposed in mechanical cooperation with the drive gear and is configured to rotate the drive gear. The shift motor is disposed in mechanical cooperation with the drive gear and is configured to move the drive gear along the drive gear axis. The end effector is disposed adjacent a distal portion of the endoscopic portion.
Owner:TYCO HEALTHCARE GRP LP

Core sampling biopsy device with short coupled MRI-compatible driver

InactiveUS20060149163A1Reduce speedTranslation speed is decreasedSurgeryVaccination/ovulation diagnosticsTissue sampleOuter Cannula
A core sampling biopsy device is compatible with use in a Magnetic Resonance Imaging (MRI) environment by being driven by either a pneumatic rotary motor or a piezoelectric drive motor. The core sampling biopsy device obtains a tissue sample, such as a breast tissue biopsy sample, for diagnostic or therapeutic purposes. The biopsy device may include an outer cannula having a distal piercing tip, a cutter lumen, a side tissue port communicating with the cutter lumen, and at least one fluid passageway disposed distally of the side tissue port. The inner cutter may be advanced in the cutter lumen past the side tissue port to sever a tissue sample.
Owner:DEVICOR MEDICAL PROD

Ultrasonic orthopedic surgical device with compound ultrasound vibration

An orthopedic surgical device with compound ultrasound vibration that comprises a handpiece, a surgical cutter fixed on the anterior top of the handpiece, and an ultrasound signal generator. Inside the outer casing of said handpiece, there are provided: an ultrasound transducer for transforming the ultrasound signals from said ultrasound signal generator into ultrasound mechanical waves; a horn (or amplitude transformer) for amplifying vibration amplitude of ultrasound mechanical waves generated from said transducer and then transmitting the amplified ultrasound mechanical waves to said surgical cutter to lead to longitudinal vibration of the surgical cutter; a driving motor fixed in the back end of said handpiece for driving said ultrasound transducer and horn to accomplish the movement of swing and rotation; an adapter provided between said driving motor and said transducer for supplying ultrasonic electrical signals generated by said ultrasound signal generator to said ultrasound transducer.
Owner:ZHOU ZHAOYING +3

Hand held electromechanical surgical system including battery compartment diagnostic display

An electromechanical surgical system is provided and includes a hand-held surgical device. The surgical device includes a device housing defining a connecting portion for selectively connecting with an adapter assembly, the housing being configured to removably receive a battery therein; at least one drive motor supported in the device housing and being configured to rotate a drive shaft; and a circuit board disposed within the housing for controlling power delivered from a battery to the motor. The system includes a battery configured for disposition in the device housing, the battery being capable of powering the at least one drive motor, the battery including at least one display. The device housing is configured such that the at least one display of the battery is visible therethrough.
Owner:TYCO HEALTHCARE GRP LP

Self-moving cleaner

A self-moving cleaner has a main body and comprises an intake opening for suctioning dust, an electric blower for generating airflow to suction dust, a dust receiver for collecting the dust suctioned by the electric blower, rollers driven by drive motors, a power source for supplying electric power to the electric blower and the drive motors, and sensors for optically detecting a distance to an obstacle. An enclosure surrounds the main body, the electric blower, the dust receiver, the power source, and the sensors, wherein the enclosure is transparent or semi-transparent, and the sensors transmit and receive light through the enclosure.
Owner:PANASONIC CORP

Hospital bed

InactiveUS20070174965A1Increase speedIncrease the speed of the actuatorSofasBedsEngineeringDrive motor
A patient support apparatus may include a base frame, lift arms, an intermediate frame, a deck support having three articulating sections, a brake system, various drive motors, actuators, and sensors, at least one power source, communication devices, and at least one controller, wherein the lift arms, articulating sections, drive motors, brake system, and actuators may be controlled from the at least one controller and in response to signals received by the various sensors, while storing data internally and / or sending data to a remote location.
Owner:STRYKER CORP

Power control unit

A hybrid vehicle includes an engine and a drive motor which adds power to power generated by the engine in a superimposed manner to assist the engine. A power control unit includes: a fourth rotor sensor as a vehicle speed sensor which detects vehicle speed of the hybrid vehicle; an accelerator sensor which detects an amount of accelerator operation; and an ECU having an assist map which determines an output command reference value for the drive motor based on the vehicle speed and the amount of accelerator operation. The ECU outputs, to the drive motor, a corrected output command value which is calculated by adding an additional value corresponding to a rate of change in the amount of accelerator operation, to the output command reference value obtained from the assist map.
Owner:HONDA MOTOR CO LTD

Interventional catheters having cutter assemblies and differential cutting surfaces for use in such assemblies

A rotatable operating head for removal of obstructive material from a target site in a body lumen or cavity is operably connected to a rotatable, translatable drive shaft, that is driven by a drive motor and received through an elongated catheter. The operating head includes a plurality of differential cutting blades, with at least one of the cutting blades being a stepped blade, the stepped blade comprising a raised cutting surface positioned adjacent, or in proximity to, a shoulder region.
Owner:BOSTON SCI LTD

Plug-in hybrid vehicle with fast energy storage

This invention relates to plug-in hybrid propulsion systems where the energy storage element of the hybrid drive train may be charged with externally supplied electricity as well as energy from the engine or regenerative braking. The invention is a plug-in hybrid system with a fast energy storage and delivery system. In a preferred embodiment the invention comprises a fuel powered engine, a battery, a fast energy storage system, power converters, controllers, drive motors, an electrical distribution system, and a drive train. Additionally, the invention relates to plug-in hybrids that provide services to the electrical utility when the vehicle is connected to the utility grid.
Owner:AFS TRINITY POWER CORP

Compressor

In order to improve a compressor for refrigerant, comprising an outer housing, a scroll compressor arranged in the outer housing and having a first compressor member arranged stationarily in the outer housing and a second compressor member which is movable relative to the first compressor member, the compressor members each having a base and first and second scroll ribs, respectively, which rise above the respective base and engage in one another such that the second compressor member is movable relative to the first compressor member on an orbital path about a central axis for the purpose of compressing the refrigerant, a drive unit for the second compressor member having an eccentric drive, a drive shaft, a drive motor arranged in a motor housing and having drawn-in refrigerant flowing around it as well as a bearing unit for the drive shaft which comprises a first bearing member connected to the outer housing, in such a manner that the refrigerant drawn in by the scroll compressor is free from lubricating oil to as great an extent as possible it is suggested that the refrigerant flow through an oil separator, which is arranged in the outer housing between this and the drive unit, after flowing around the drive motor and prior to entering the scroll compressor.
Owner:BITZER KUEHLMASCHINENBAU GMBH

Methods to shorten calibration times for powered devices

A calibration method for a hand-held surgical instrument is disclosed. The hand-held instrument includes a drive motor, a firing rod controlled by the drive motor and having at least one indicator, and a sensor configured to detect the at least one indicator. A microcontroller includes a pulse modulation algorithm stored therein to control the drive motor. The microcontroller executes a calibration algorithm to adjust at least one program coefficient in the pulse modulation algorithm.
Owner:TYCO HEALTHCARE GRP LP

Powered surgical stapling device

A surgical stapler includes a handle assembly, an end effector, a firing rod disposed in mechanical cooperation with the end effector, a drive motor coupled to the firing rod, a sensor, and a controller. The end effector includes a first and second jaw member moveable relative to one another. The first jaw member includes a surgical fastener and the second jaw member includes an anvil. The drive motor is configured to advance the firing rod to cause the first and second jaw members to clamp tissue and to eject a surgical fastener. The surgical stapler includes a sensor that is configured measure a clamping force exerted on tissue by the first and second jaw members. The controller control a speed of the drive motor based on the measured clamping force.
Owner:TYCO HEALTHCARE GRP LP

Electric vehicle thermal management system

An efficient thermal management system (100) that utilizes a single heat exchanger (133) is provided. A refrigeration subsystem (103) cools the heat exchanger (133). A first coolant loop (139) in thermal communication with the heat exchanger (133) is used to cool the energy storage system (137). A second coolant loop (151) corresponding to the HVAC subsystem (107) is also in thermal communication with the heat exchanger (133). Preferably a third coolant loop (109) corresponding to the drive motor cooling subsystem (101) is coupleable to the HVAC coolant loop (151), thus providing an efficient means of providing heat to the HVAC subsystem (107).
Owner:TESLA INC

Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method

An apparatus and method for a centrifugal fluid pump for pumping sensitive biological fluids, which includes (i) an integral impeller and rotor which is entirely supported by an integral combination of permanent magnets and electromagnetic bearings and rotated by an integral motor, (ii) a pump housing and arcuate passages for fluid flow and containment, (iii) a brushless driving motor embedded and integral with the pump housing, (iv) a power supply, and (v) specific electronic sensing of impeller position, velocity or acceleration using a self-sensing method and physiological control algorithm for motor speed and pump performance based upon input from the electromagnetic bearing currents and motor back emf-all fitly joined together to provide efficient, durable and low maintenance pump operation. A specially designed impeller and pump housing provide the mechanism for transport and delivery of fluid through the pump to a pump output port with reduced fluid turbulence.
Owner:WORLD HEART +2

Self-propelled working robot

A self-propelled working robot according to the present invention comprises a traveling assembly (1) having a wheel (6) and first and second working assemblies (20, 50) that are detachable from the traveling assembly 81). One of the first and second working assemblies (20, 50) is selectively mounted on the traveling assembly (1). Each working assembly has a type identification means (33) that enables identification of a type of the working assembly. The traveling assembly (1) has a driving motor (5) that drives the wheel (6), a wheel controlling means (41) that controls rotation of the driving motor (5), a discriminating means (38) that discriminates which of the working assemblies is mounted and a work signal output means (39) that outputs a work signal for actuating the working assembly (20, 50) in response to a result of a discrimination.
Owner:FIGLA
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