1092 results about "Micromotor" patented technology

Implantable medical devices, including stents, grafts, covered stents, catheters, patches or the like having regions of the device which are functionalized employing microelectromechanical systems that are capable of acting as electromechanical sensors or biosensors in response to either an endogenous event, such as tissue growth, biochemical binding events, pressure changes, or respond to an externally applied stimulus, such as RF energy, to cause a change in the state of the device, such as to induce an oscillation signal which may be interrogated and interpreted external the body or may generate an induced electrical or electromagnetic potential in the device to activate micromotors to effect a geometric change in the device.

Implantable medical devices, including stents, grafts, covered stents, catheters, patches or the like having regions of the device which are functionalized employing microelectromechanical systems that are capable of acting as electromechanical sensors or biosensors in response to either an endogenous event, such as tissue growth, biochemical binding events, pressure changes, or respond to an externally applied stimulus, such as RF energy, to cause a change in the state of the device, such as to induce an oscillation signal which may be interrogated and interpreted external the body or may generate an induced electrical or electromagnetic potential in the device to activate micromotors to effect a geometric change in the device.

An endoscopic probe is combined with a source of radiation to measure a sample. A probe body includes a nonrotating transmission path and is communicated to the source to transmit radiation from the source from the proximal to the distal portion of the probe body. A micromotor is disposed in a distal portion of the probe body to provide a motive force. A movable scanner is coupled to the motor and is arranged and configured so that the scanner is directed toward or faces the transmission path. The scanner redirects the radiation from the source from the distal portion of the probe body into a scanned pattern onto the sample according to the motive force applied to the scanner from the motor. Back reflected radiation is received from the sample and is transmitted along the transmission path to the proximal portion of the probe body.

An implantable, compressible, accommodating intra-ocular lens (IOL) coupled to at least one sensor which detects a signal created by the ciliary muscle. A ciliary sulcus ring can house the at least one sensor, and the sensor can include miniaturized electrodes (ciliary muscle probes) for implanting into the ciliary muscle of the subject. A potentiometer / microcomputer can modulate the ciliary muscle signal detected by the sensor(s) into an electrical signal, and a transmitter sends this electrical signal to a micromotor, which causes compression of the IOL via an annular support ring system, causing a change in the IOL shape. The IOL can be part of an IOL complex including a compressible, accommodating IOL, an external lens membrane, and an annular support ring system. The annular support ring system provides a foundation for the micromotor to compress the IOL.

An implantable, compressible, accommodating intra-ocular lens (IOL) coupled to at least one sensor which detects a signal created by the ciliary muscle. A ciliary sulcus ring can house the at least one sensor, and the sensor can include miniaturized electrodes (ciliary muscle probes) for implanting into the ciliary muscle of the subject. A potentiometer / microcomputer can modulate the ciliary muscle signal detected by the sensor(s) into an electrical signal, and a transmitter sends this electrical signal to a micromotor, which causes compression of the IOL via an annular support ring system, causing a change in the IOL shape. The IOL can be part of an IOL complex including a compressible, accommodating IOL, an external lens membrane, and an annular support ring system. The annular support ring system provides a foundation for the micromotor to compress the IOL.

The present invention provides a use of an electro-sensitive movable fluid, that is, a micromotor, a linear motor, a micropump and a method of using the micropump, a microactuator, and an apparatus which these devices are applied to, and a method and an apparatus of controlling flow properties of a fluid.

A highly reliable and robust functioning liquid infusion system for use in biomedical applications comprises a dual microcontroller system where the first microcontroller is configured to administer the liquid and the second microcontroller is configured to monitor the accurate functioning of the system and various performance parameters such as flow rate of liquid, presence of leaks or blocks in the liquid passage, level of drug in the cartridge and battery condition. The liquid injection portion comprises a cylindrical airtight liquid holder or drug cartridge with a movable internal piston that is in contact with a movable stem, and a micromotor, which controls the drug delivery. The system is programmable with a dosing system stored into the driver / monitor microcontrollers. A low power LCD module is used to display the operating parameters with multiple language interface and alarm conditions, if any. The system is also equipped with a system of sensors that trigger an alarm to indicate abnormal conditions.

A microelectromechanical (MEM) optical switching apparatus is disclosed that is based on an erectable mirror which is formed on a rotatable stage using surface micromachining. An electrostatic actuator is also formed on the substrate to rotate the stage and mirror with a high angular precision. The mirror can be erected manually after fabrication of the device and used to redirect an incident light beam at an arbitrary angel and to maintain this state in the absence of any applied electrical power. A 1×N optical switch can be formed using a single rotatable mirror. In some embodiments of the present invention, a plurality of rotatable mirrors can be configured so that the stages and mirrors rotate in unison when driven by a single micromotor thereby forming a 2×2 optical switch which can be used to switch a pair of incident light beams, or as a building block to form a higher-order optical switch.

The pulsating spinning showerhead includes a water inlet, water channels for distributing water from the water inlet, and spray nozzles for receiving water from the water channels and projecting a water stream out of the showerhead. At least one valve controls water flow to the spray nozzles. One or more micromotors provides alternating activation of valve so that the spray nozzles receive water in cycles to produce a pulsating output of water. The micromotor and valve are powered by a low voltage power source. In the preferred embodiment, the power source is one or more batteries.

The present invention is one kind of micro robot and its in vitro guiding system. Inside the robot, there are permanent magnet, micromotor, RF receiver, miniature battery, tail rotating mechanism, tail rotating rod and high elasticity sealing membrane between the rotating rod and the robot body. The in vitro guiding and controlling system includes an imaging subsystem for scanning the detected area, a computerized control subsystem for receiving the original image data and performing image reconstitution, a magnetically locating subsystem for locating the permanent magnet inside the robot and feeding the original location data to the computerized control subsystem, and a magnetically guiding subsystem for receiving the guide controlling information from the computerized control subsystem and performing the guide control on the micro robot.

A micro motor locking bolt system (8) comprising a locking bolt (5) mounted inside a lock (11) in order to provide a locking function in electronic gates, drawers, cabinets, safes and similar structures. The locking bolt system has a locking position by entering into a lock housing (13) structured on the lock (11) and an unlocking position by removing from the lock housing (13). A motor (1) provides the necessary driving force in order for the locking bolt (5) to enter into and be removed from the lock housing (13). A worm gear (2) performs rotational motion around its own axis due to the driving force from the motor (1) and comprises grooved parts (2.1) thereon. Motion transmission members transfer the rotational motion of the worm gear (2) to the locking bolt (5) by transforming the rotational motion into linear motion.

The invention provides an autoreflection heart rate detector and belongs to the field of wearable electronic equipment. The heart rate detector is wearable electronic equipment; the wearable electronic equipment comprises an integrated heart rate LED (Light-Emitting Diode) transceiver, a heart rate signal front end processing circuit, a capacitive skin contact sensor, an MCU (Main Control Unit), a tri-axis gravity acceleration sensor module, a micromotor, a shaking alarm module, a bluetooth low-power-consumption radio frequency module and a display module. The heart rate detector is capable of continuously detecting human body heart rate change condition of a user in real time for 24 hours and automatically analyzing the human body heart rate changes of the user under different human body physical states. According to the technical scheme, the heart rate detector is capable of monitoring whether the user wears the wearable electronic equipment; a wireless connection is established between the heart rate detector and intelligent mobile equipment by use of the bluetooth low-power-consumption radio frequency module, so that the wearable electronic equipment is capable of giving out an alarm prompt on abnormal heart rate by use of the wireless connection with the intelligent mobile equipment, preventing diseases or body discomfort prompted by heart rate abnormity of the user and realizing a remote human body heart rate monitoring function.

A blood vessel robot simulating tadpole and helix is composed of head, main body, tail, micromotor, tail swinging mechanism, heat turning unit, head sinking-floating controller, miniaturized camera system, and RF transceiver. It is controlled by an external remote controller. Its advantages are no damage to blood vessel, multiple functions, simple structure, small size, and flexible operation.

A beam diverting laser adaptor is disclosed for automating panretinal photocoagulation (PRP). Particularly for use in ophthalmology and laser surgery the apparatus consists of an external casing (12) which is interposed in the laser pathway of a delivery system. Internally, a mobile disc (26) with edge gearing (20) is mounted with mirrors (22) (24) to deflect an incident beam. In close approximation to the rotary disc lies a stationary fenestrated bottom plate (36) for support. A micromotor (16) and shaft gearing (18) coupled to the device spin the top plate. Repetitive laser bursts are timed with the circumferential motion of the mobile plate by a cable (50) and a control box (52). This results in a ring of laser shots and permits a labor intensive treatment to be performed with greater speed, greater efficiency, and greater accuracy.

A micropower passive electronic lock cylinder including an immovable cylinder body (3), a rotatable plug (1), and an electronic control circuit part is described. An electronic control circuit board (13) electrically connected with a micromotor (14) and locating switches (15, 16) is arranged in the rotatable plug (1). A lock pin (8), which is controlled by a displacement limiting cam (5) driven by the micromotor (14), moves between the immovable cylinder body (3) and the rotatable plug (1) to release or block the rotatable plug (1).

A method for accelerating or decelerating a moveable body which body is moved by urging a piezoelectric micromotor to the body in a first direction so that a contact region of the piezoelectric motor is pressed to the body and exciting vibrations in the piezoelectric micromotor at the contact region in the first direction and in a second direction along a direction of motion of the body, said vibrations having a first amplitude in the first direction and a second amplitude in the second direction, the method comprising: a) for acceleration, gradually changing a ratio between the second amplitude relative to the first amplitude from substantially zero to a desired non-zero value; or b) for deceleration, gradually changing the ratio between the second amplitude relative to the first amplitude from a non-zero value to substantially zero.

A miniature electric motor comprises a housing, a cover plate fitted in an opening portion of the housing, a stator fixed to an inner circumferential surface of the housing, a rotor supported rotatably to one and the other bearing portions mounted on the housing and the cover plate, respectively, the rotor being disposed in the housing, and a brush holder holding brushes slidingly engaging with a commutator of the rotor, the brush holder being mounted on the cover plate. A first projection is formed in the vicinity of a center of the brush holder, and the first projection is forcibly pressed at a predetermined pressure against the cover plate. According to the present invention, without using any vibration proof elastic member, it is possible to reduce a noise of the miniature motor and keep the motor quiet. This motor is used for driving an air conditioner of an automobile, or the like.

A micropower passive electronic lock cylinder including an immovable cylinder body (3), a rotatable plug (1), and an electronic control circuit part is described. An electronic control circuit board (13) electrically connected with a micromotor (14) and locating switches (15, 16) is arranged in the rotatable plug (1). A lock pin (8), which is controlled by a displacement limiting cam (5) driven by the micromotor (14), moves between the immovable cylinder body (3) and the rotatable plug (1) to release or block the rotatable plug (1).

The invention discloses a travelling-wave linear ultrasonic micromotor which belongs to the technical field of ultrasonic motors and is mainly characterized by comprising a stator, wherein the stator is shaped as an annular hollow slice, and a piezoelectric ceramic ring is arranged on the surface of the stator; driving mechanisms are distributed on the outer edge of the stator, the lateral edges of the driving mechanisms are provided with a plurality of guide rails along the axial direction of the stator, and the driving mechanisms correspond to and is in contact with the guide rails; and a pretightening mechanism is connected to one end surface of the stator and in contact with the guide rails. The invention aims at providing the travelling-wave linear ultrasonic micromotor which has the advantages of compact structure, small occupying space, stability of working and high precision and is suitable for the aspects of optical lens, biology, medical treatment, micromachine, the science and technology for national defense, and the like.

The related thread-drive polyhedral ultrasonic micromotor with precompression mechanism comprises: a single stator or double stator or multiple stators, a rotor with thread matched with stator, and a piezoelectric element joined with stator or rotor. This invention has superiority on size and cost and efficiency, and has wide application in optical device and linear positioning system.

The invention discloses a stepless eccentricity adjustable rotating arc sensor, belongs to the field of welding auxiliary devices, and aims to solve the problems of inconvenient adjustment of eccentricity, large mechanical vibration and noise and the like of the conventional rotating arc sensor. The sensor comprises a shell and a conducting rod; an eccentricity adjusting platform is arranged in the shell, and is provided with an eccentricity adjusting motor and a ball screw; a rotary platform driven by a micromotor through a gear is arranged in the eccentricity adjusting platform; a hinge is formed between the upper end of the conducting rod and the top of the shell; the conducting rod passes through an eccentric rotor and is in hinge connection with a self aligning ball bearing; the lower end of the conducting rod is fixedly connected with a vapor protective joint of which the lower end is provided with a conducting nozzle; and a welding wire passes through the conducting rod to rotate, and can form a conducting tight movable fit with the conducting nozzle. The sensor can precisely generate rotating welding arcs with different turning radii, realizes stepless adjustment of eccentric radii, is simple in structure and stable in performance, and is a brand-new concept rotating arc sensor.

A miniature motor includes a base having a layout layer with two faces spaced along an axis. The layout layer includes a coil unit. The base further includes an outer layer provided on one of the faces of the layout layer. A shaft seat is provided on the base. A rotor includes a shaft and a permanent magnet. The shaft is coupled to the shaft seat and rotatable about the axis. The permanent magnet is aligned with the coil unit. An air gap is formed between the permanent magnet and the outer layer of the base. The coil unit is integrated into the base such that the coil unit is outside of the air gap. The axial height of the miniature motor is reduced, and the structure of the miniature motor is simplified.

The invention provides an omnidirectional scientific brush, comprising a handle and a head. The head is of a U-shaped structure. A central gear set, a tooth outside bristle roller, a tooth inside bristle roller and a tooth end face bristle roller are mounted in the head. A power output mechanism driven by a miniature motor is disposed in the handle and drives the central gear set to rotate so that the tooth outside bristle roller and the tooth inside bristle roller on two sides of a same tooth rotate in opposite directions both from tooth root to tooth end, and rotational motion of the tooth end face bristle roller brushes end faces of upper and lower rows of teeth in the mouth along tooth gaps. A user can automatically finish washing all teeth at a time without manually controlling the head to move during tooth brushing, thus cleaning quality and efficiency of tooth brushing are greatly improved, time cost and labor consumption for tooth bushing are substantially reduced, and intelligent full-automatic tooth brushing is easy to implement.

The invention provides a novel high-rate rotary optical-acoustic combined imaging probe and a conduit. The probe comprises a photoconduction optical fiber, a GRIN lens, a sound generation signal lead, an electroacoustic transducer, a micromotor driving lead, a micromotor and a reflector. A detection acoustic beam produced by the electroacoustic transducer in the probe and a detection light beam produced by the optical fiber and the GRIN lens are spread to a far-end along an axial direction, then are reflected by the reflector, then are spread along a radial direction and irradiate a sample to be detected. The micromotor is used for rotating the reflector thereby changing directions of the detection acoustic beam and light beam. Through combination with probe axial motion, optical-acoustic spiral scanning imaging is realized. The imaging conduit is prepared from the probe as a core and the probe can move in an outer sheath and can be protected. The novel rotary type optical-acoustic combined imaging probe improves an optical-acoustic combined imaging rate and improves image quality.

The invention relates to a helical scanning common path interference type endoscopic frequency-swept optical coherence tomography (OCT) real-time imaging method and a helical scanning common path interference type endoscopic frequency-swept OCT real-time imaging system. A light splitter and a reference lens are arranged in a probe, so that the whole system is formed into a common path interference structure, a micromotor mounted in the probe is used for carrying out the smooth helical scanning of a focused illuminating light beam, and the frequency-swept OCT technology which does not require mechanical scanning movement along the depth direction of a sample is adopted to achieve the purpose of fast imaging; and finally, a series of digital signal processing is carried out on the acquired interference signals to obtain the three-dimensional image of the detected sample. The invention is characterized in that: the system is not sensitive to various interferences, the probe is plug-and-play, three-dimensional imaging is real-time, image distortion is little, and the omission of pathological changes is reduced.

A therapeutic device for improving voluntary control of paretic muscles in a patient extremity is provided. The therapeutic device is designed to be portable and may be strapped onto a patient's wrist or ankle. The device employs a plurality of micro-motors configured to deliver vibratory sensations to a patient extremity as somatosensory inputs. Each micro-motor is dimensioned to reside on a patient's respective finger or along their foot. The therapeutic device also includes a micro-processor programmed to actuate the micro-motors for designated times and in pre-programmed sequences, and a housing containing the micro-processor. A method of using somatosensory input as a functional guidance to improve motor function in a patient extremity is also provided.

This invention relates to a metal square post piezoelectric compound supersonic micro-machine composed of a stator exciting vibration of supersonic sound, a rotor outputting moment or a runner and a pre-pressure unit pressing the rotor or the runner characterizing that said stator is mainly composed of a metal piezoelectric ceramic compound square post and matched blocks comprising a metal square post exciting vibration and piezoelectric ceramic plates, four slots are opened axially at the four edge angles of the post, said plates are adhered on the two or four side faces of the post polarized along the thickness direction, the surface of the plate connected with excited electrode is coated with outer electrodes for polarization and excitation.