1078results about How to "Avoid flipping" patented technology

Described herein are methods and systems for precisely placing and / or manipulating devices within the body by first positioning a guidewire or pullwire through the body from a first location, around a curved pathway, and out of the body through a second location, so that the distal and proximal ends of the guidewire extend from the body, then pulling a device into position using the guidewire. The device to be positioned within the body is coupled to the proximal end of the guidewire, and the device is pulled into the body by pulling on the distal end of the guidewire that extends from the body. The device may be bimanually manipulated by pulling the guidewire distally, and an attachment to the device that extends proximally, allowing control of both the proximal and the distal ends. In this manner devices (and particularly implants such as innerspinous distracters, stimulating leads, and disc slings) may be positioned and / or manipulated within the body. Devices to modify tissue may also be positioned or manipulated so that a target tissue within the body is modified.

A device for modifying tissue in a patient may include: an elongate body having a rigid proximal portion and a flexible distal portion having first and second major surfaces; a proximal handle coupled with the proximal portion of the body; one or more tissue modifying members disposed along the first major surface of the distal portion of the body; a guidewire coupled with and extending from the distal portion of the body; and a distal handle removably coupleable with the guidewire outside the patient.

A device for modifying tissue in a patient may include: an elongate body having a rigid proximal portion and a flexible distal portion having first and second major surfaces; a proximal handle coupled with the proximal portion of the body; one or more tissue modifying members disposed along the first major surface of the distal portion of the body; a guidewire coupled with and extending from the distal portion of the body; and a distal handle removably couplable with the guidewire outside the patient.

Described herein are methods, systems, and devices for performing a minimally invasive carpal tunnel release procedure to cut a target transverse carpal ligament. In some embodiments, the method may include the steps of advancing a probe percutaneously though a patient's skin from a first location, advancing a tissue modification device from the first location and between the target ligament and non-target tissue so that a proximal handle on the tissue modification device extends from the patient at the first location, attaching a distal handle in communication with the distal end of the tissue modification device. In some embodiments, a system may include a probe configured to be advanced percutaneously though a patient's skin from a first location, a tissue modification device comprising a proximal handle and a flexible distal region having uni-directional blades, and a distal handle configured to connect to the distal end of the tissue modification device.

A device for modifying tissue in a patient may include: an elongate body having a rigid proximal portion and a flexible distal portion having first and second major surfaces; a proximal handle coupled with the proximal portion of the body; one or more tissue modifying members disposed along the first major surface of the distal portion of the body; a guidewire coupled with and extending from the distal portion of the body; and a distal handle removably couplable with the guidewire outside the patient.

Described herein are methods, systems and devices for cutting a ligament of a patient. In some embodiments, the method may include the steps of advancing a cannulated probe into a patient, advancing the distal end of the tissue modification device assembly posteriorly through the skin of the patient such that it exits the patient, exposing at least one tissue modification element of the tissue modification device assembly, and reciprocating at least a portion of the tissue modification device assembly by alternately pulling on proximal and distal portions of the tissue modification device assembly to draw the at least one tissue modification element across the ligament to cut the ligament, in some embodiments, the system may include a probe, a tissue modification device, and a sheath. The tissue modification device may include a proximal handle, at least one tissue modification element configured cut ligament, and a sharp distal tip.

The invention relates to a repairing system provided with an anchoring device and used for preventing valve regurgitation. The system comprises a prosthesis preventing valve regurgitation and an anchoring part releasing device, wherein the prosthesis preventing valve regurgitation comprises a fixing unit, a connecting part and a close-assisting part, the fixing unit comprises a fixing part and an anchoring part, the connecting part is flexible, and the fixing part is fixed through the anchoring part, an anti-disengagement end is arranged at the near end of the anchoring part; the anchoring part releasing device comprises a delivery pipe and a push rod and is detachably connected with the fixing unit, the far end of the anchoring part releasing device is in a preset shape to enable the far end of the delivery pipe to be bent integrally or partially, a rigid section is arranged at the farthest end of the delivery pipe, the anchoring part is pre-arranged in the far end of the delivery pipe, the push rod is placed in the delivery pipe and located at the near end of the anchoring part, the anchoring part can be made to move towards the far end of the delivery pipe by pushing the push rod, and the far end of the anchoring part can recover to the preset shape after being pushed out of the delivery pipe.

A magnetic scissor type magnetic read head having magnetic side shielding for reduced effective track width and having side biasing for improved stability. The read head includes first and magnetic side shields that each include first and second magnetic layers and an anti-parallel exchange coupling layer sandwiched there-between. The magnetic layers of the side shields are anti-parallel coupled with one another such that one of the magnetic layers has its magnetization oriented in a first direction parallel with the air bearing surface and the second magnetic layer has its magnetization oriented in a second direction that is opposite to the first direction and also parallel with the air bearing surface. These magnetizations of the first and second magnetic layers provide a bias field that stabilizes the magnetization of the free magnetic layers of the sensor stack to prevent flipping of the magnetizations of these layers.

The elevated net cage consists of net cage and inflating and deflating elevator, and the inflating and deflating elevator is one sink-float barrel below the net cage and connected to the net cage via rope or linking rod. The sink-float barrel includes an upper sealed cavity, a lower inflating cavity with bottom opening, an air inflating pipe through the sealed cavity and with one end communicated to the inflating cavity and the other end connected to a float body, and the sink-float barrel is connected via rope to a weight. The inflating and deflating elevator has control system comprising terminal control box, air inlet and outlet valves in air pipe, compressed air cylinder or air compressor, with the air outlet valve being a remote controlled one. The elevated net cage may ascend and descend smoothly and reliably and may be remote controlled.

The invention belongs to the field of the signal processing technology, and discloses a duty ratio correcting circuit. The duty ratio correcting circuit comprises an input buffer, a duty ratio regulating circuit, a first-level CML-CMOS converting circuit and a duty ratio comparison circuit, wherein the input buffer is used for receiving a differential signal clka and a differential signal clkb, achieves initial adjustment of the duty ratio of the differential signals by setting a common mode level, and outputs a signal outla and a signal outlb, the duty ratio regulating circuit receives the signal outla and the signal outlb and outputs a signal out2a and a signal out2b, the first-level CML-CMOS converting circuit receives the signal out2a and the signal out2b, amplifies and rectifies the signal out2a and the signal out2b, and outputs a signal out3a and a signal out3b, and the duty ratio comparison circuit receives the signal out3a and the signal out3b, carries out amplification and integration on errors of the duty ratio, outputs a differential control voltage Vc+ and a differential control voltage Vc-, and feeds back the differential control voltage Vc+ and the differential control voltage Vc- to control the duty ratio regulating circuit. The duty ratio regulating circuit comprises a differential amplifier circuit and a compensation regulating unit, wherein the differential amplifier circuit amplifies the signal outla and the signal outlb, regulates the duty ratio, and outputs the regulated duty ratio to a next-level circuit, and the compensation regulating unit receives and feeds back the differential control voltages, outputs current compensation, regulates and outputs the common mode level of the signal out2a and the signal out2b and achieves feedback regulation of the duty ratio. The duty ratio correcting circuit improves correcting accuracy and efficiency.

The invention relates to a casting shell drilling jig tool. The casting shell drilling jig tool comprises a drill plate used for containing a workpiece, wherein the drill plate is supported on a clamp body in a rotary mode and provided with a positioning and locking device used for tightly pressing the workpiece, the clamp body is provided with a pressing device used for fixing the drill plate after the drill plate is overturned, and the drill plate is provided with a drilling sleeve. According to the technical scheme, when the workpiece needs drilling, the workpice is firstly fixed to the drill plate and then is overturned by rotating the drilling plate, the drill plate is fixed through the pressing device after overturned, and finally drilling is carried out. The situation that a traditional tool needs to connect the workpiece with the tool and then wholly overturn the workpice and the tool is avoided, work efficiency is improved, and manpower is saved.

The invention discloses an automatic rectangular tube feeding device which comprises a rack, a feeding box, horizontal sorting platforms, at least two sets of material poking devices arranged on the rack, at least two sets of overturning mechanisms arranged on the rack and a horizontal conveying roller set arranged on the rack and used for longitudinally conveying rectangular tubes. Each material poking device set comprises a material poking lifting frame arranged on the rack in a vertically lifting mode. The material poking lifting frames are driven by a material poking lifting power device and arranged on horizontal material poking frames in a horizontally sliding mode. The horizontal material poking frames are driven by a horizontal material poking power device and provided with material poking rods. The overturning mechanisms comprise jacking rods, and the jacking rods are driven by an overturning lifting power device. The horizontal conveying roller set is arranged on the rack. By means of the automatic feeding device, automatic feeding of the rectangular tunes can be achieved, and the rectangular tubes are turned over and conveyed out according to the actual requirements, so that the rectangular tubes can be cut by a downstream process conveniently, rectangular tube cutting is more automated, and overall efficiency is higher.

The invention relates to an energy-saving hydraulic hybrid power system of a loader and belongs to a power system of the loader. An engine of the hybrid power system is in mechanical connection with a hydraulic variable pump and a hydraulic torque converter; an oil outlet of the hydraulic variable pump is communicated with an oil inlet of a one-way valve; an oil inlet of a second overflow valve and a distribution valve are communicated with oil inlets or oil return ports of the one-way valve, an oil tank, a movable arm oil cylinder, a bucket oil cylinder and a steering oil cylinder respectively; an oil inlet of a hydraulic pump / motor control component is communicated with an oil outlet of a reducing valve; each oil return port is communicated with the oil tank; an oil outlet of a two-position two-way reversing valve is communicated with an oil inlet of the hydraulic pump / motor; the hydraulic pump / motor component and the hydraulic pump / motor are in mechanical connection; and an output shaft of the hydraulic pump / motor is in mechanical connection with the input ends of a front axle and a rear axle through an electromagnetic clutch and a torque coupler. The energy-saving hydraulic hybrid power system has the advantages that: the hydraulic hybrid power system can reclaim the braking kinetic energy of the whole machine, improves the working efficiency and working performance of thewhole machine and has long service life.

The invention relates to a large-caliber high-gradient optical mirror surface on-line measuring system which comprises an optical fiber light source, a converging light path light split system, a replaceable measuring grating, a high-precision plane reflecting mirror, a large-caliber high-gradient optical mirror surface, a digital CCD (Charge Coupled Device) and a computer information processing system. In the invention, after light emitted out from a numerical aperture optical fiber light source passes through the measuring grating, a group of shadow fringes is generated, and after passing through the converging light path light split system and the high-precision plane reflecting mirror, the shadow fringes are projected onto the large-caliber high-gradient optical mirror surface and then reflected back by the large-caliber high-gradient optical mirror surface according to the original path; when the shadow fringes pass through the high-precision plane reflecting mirror and the converging light path light split system, another light path is generated, and a conjugate image of the light source is generated in the light path; after the conjugate image is acquired by the digital CCD, the conjugate image is transmitted to a computer and analyzed and processed by the computer information processing system; and the surface shape error of the large-caliber high-gradient optical mirror surface is worked out through comparing the deviations between the returned image and an ideal image.

A coaxial two-wheel vehicle with which a rider stably travels without the upper body being swayed left and right in a riding state of the center of gravity being positioned high is provided. The coaxial two-wheel vehicle includes: a step plate for a driver to ride; a vehicle body that supports the step plate to be capable of changing a posture in a roll direction of rotating around a roll axis as the center, when a traveling direction is made the roll axis; a pair of wheels disposed on both sides on the same axis in the direction orthogonal to the traveling direction of the vehicle body and rotatably supported by the vehicle body; a pair of wheel drive means to drive and rotate the pair of wheels independently; and a handle for directly changing a posture of the step plate or indirectly changing the posture through the vehicle body.

The invention provides a power supply voltage electrification detection circuit and an achieving method for electrification detection. The power supply voltage electrification detection circuit at least comprises a power supply voltage detection circuit, a voltage comparator circuit and a level conversion circuit, wherein the voltage comparator circuit is connected with the power supply voltage detection circuit; the level conversion circuit is connected with the voltage comparator circuit. By adopting the power supply voltage electrification detection circuit provided by the invention, shaking and turnover phenomena of output voltage are avoided, and meanwhile the driving property of circuit output voltage is effectively improved; the power supply voltage electrification detection circuit is small in threshold variation along with temperature and has the characteristics of high precision and low temperature coefficient; the structure is simple, the power consumption is small, the complexity of a conventional circuit is effectively reduced, and the power consumption of the circuit is reduced. The achieving method of electrification detection on power supply voltage electrification detection circuit is simple and rapid in electrification speed detection, the detection efficiency is effectively improved, and meanwhile, the problem that the precision is low as the threshed voltage of the power supply voltage electrification detection circuit can be solved.

The invention discloses a paddle steamer. The paddle steamer comprises a boat body and a ship power device arranged on the boat body and composed of a host-driven propeller, wherein the propeller consists of two paddle wheels symmetrically arranged on the two sides of the boat body; and the lower edges of the paddle wheels are lower than the bottom surface of the boat body. The invention has the advantages that the modern host is combined with the traditional paddle wheels; the installation mode that the lower edges of the paddle wheels symmetrically arranged on the two sides of the boat body are lower than the bottom surface of the boat body is adopted, thus when the paddle wheels rotate at high speed, blades which are evenly distributed on the outer edges of the paddle wheels in the radial direction continuously and fast flap water surface backward and downward in turn; and as the density of water is high, enough forward and upward reacting force can be obtained, the upward component force supports the boat body to leap out of water, and the forward component force pushes the boat body to move forward. Therefore, only the tail of the boat body contacts a little part of water surface and slides on water surface and the balance of the boat body is maintained, thus avoiding extremely large water resistance, remarkably increasing the propelling efficiency and realizing the high-speed and economic navigation of ships.

A kneepad that is attached to the exterior of the work pants, which can be either long or short, by the use of two attaching devices. The first device will be a horizontal strap which encircles the leg below the knee to prevent lateral and vertical shifting of the kneepad. The second device will attach the top of the kneepad directly to the pants to allow the said horizontal strap in the first device minimal tension to the leg which will greatly diminish poor blood circulation and discomfort. The attaching system which attaches the kneepad to work pants or shorts will allow for secure attachment, which can also be easily detached by the user. This attaching system will also be effective when exposed to fine particles and sediments, such as dust, which can reduce the performance in previous kneepads that use hook and loop fastening systems.

The present invention discloses an MEMS universal inertia switch capable of identifying a load orientation interval. The switch comprises an insulation substrate, an axial electrode supporting base, a radial electrode supporting base, a spring supporting base, an axial electrode, an annular inertia mass block electrode, a spacing stop post, a radial electrode, a snake-shaped support spring, a radial electrode connecting strip, a radial electrode connecting strip and at least one mass block electrode connecting strip. The MEMS universal inertia switch capable of identifying the load orientation interval has good response for the acceleration load at any one direction from the upper portion of the substrate to play a switch on / off effect, and can effectively identify the space orientation of the acceleration load which the switch has so as to solve the problem that a current MEMS universal inertia switch cannot identify the load space orientation, and the axial threshold of the closure of the switch is larger than a radial threshold thereof to realize axial deterring and radial sensitivity of the switch.

A post singulation, die separation assembly for bulk separation of a plurality of dice in a singulated wafer from the adhesive backing of wafer saw tape. The die separation assembly includes a support base having a support surface, a first portion and an opposite second portion thereof. The second portion includes a down-ramped portion thereof skewed downwardly at a first acute angle from the support surface. A feed tray includes a collection end positioned adjacent the base second portion such that an elongated, substantially thin gap is formed between the tray collection end and at least a portion of the base second portion. A flexible platform is movably supported atop the base support surface for movement from the first portion to the second portion thereof. At the second portion, the platform passes downward through the gap formed between the tray collection end and the at least a portion of the base second portion. The platform defines an upward facing surface upon each die of the singulated wafer is adhered thereto, via the saw tape, in a forward aligned manner. Upon movement of the flexible platform down the down-ramped portion of the support base, a portion of the wafer saw tape thereat is peeled away from the respective die. The tape is the separated from the dice, releasing the respective dice onto the collection end of the feed tray in a manner substantially maintaining their forward alignment orientation of thereof.

A magnetic scissor type magnetic read head having magnetic side shielding for reduced effective track width and having side biasing for improved stability. The read head includes first and magnetic side shields that each include first and second magnetic layers and an anti-parallel exchange coupling layer sandwiched there-between. The magnetic layers of the side shields are anti-parallel coupled with one another such that one of the magnetic layers has its magnetization oriented in a first direction parallel with the air bearing surface and the second magnetic layer has its magnetization oriented in a second direction that is opposite to the first direction and also parallel with the air bearing surface. These magnetizations of the first and second magnetic layers provide a bias field that stabilizes the magnetization of the free magnetic layers of the sensor stack to prevent flipping of the magnetizations of these layers.

The invention discloses a self-stable patency capsule of the alimentary canal. The self-stable patency capsule comprises a capsule body, and an enteric-coated shell and an elastic part made of a degradable material, wherein the elastic part is at least arranged at one end of the capsule body; the capsule body and the elastic part are wrapped by the enteric-coated shell, so that the elastic part is in a compressed state; after the enteric-coated shell reaches the small intestine and is dissolved, the elastic part is restored to the original length to increase the length of the entire capsule so as to prevent turning; and the elastic part is preferably a spring. The spring is released in the small intestine, so that the overall length of the capsule is increased, and stable movement towards the same direction in the small intestine can be realized, a self-stable capsule endoscope is also provided with a spring which can be used for increasing the length in the small intestine; both the size and the eight of the self-stable capsule endoscope are similar to those of the patency capsule; and thus, a movement process in the alimentary canal is actually preview of examination of the self-stable capsule endoscope, so that the feasibility for examination of the self-stable capsule endoscope can be accurately evaluated.

The invention relates to a clamp and a method for quickly installing a torsion spring. The clamp comprises two symmetrical clamp arms connected through the coupling of a rotary pin roll, and each clamp arm is divided into a front section and a back section by the coupling part; the inner ends of the front sections of the clamp arms are respectively provided with a locating hole, and a return compression spring is connected between the inner ends of the back sections of the clamp arms; and the rotary pin roll fixes a forward locating clip of a locating slot through coupling. The invention mainly solves the technical problem that the torsion spring is easy to jump out from an end opening of a tool rod to hurt people when the tool rod is used for installing the torsion spring. Only one operator is needed to complete installation operations, and the installation mode is simple, convenient, safe and efficient.

The present invention relates to a method for reducing a dynamic power dissipation and an electronic device. The method is used to reduce the dynamic power dissipation of a slave unit, and comprises the steps of receiving a bus signal when access information of the slave unit is existed in the bus signal; inputting a clock signal to the slave unit and detecting a state signal sent by the slave unit; when the state signal of the slave unit displays that the slave unit is located in a free state, stopping inputting the clock signal to the slave unit. In the invention, by controlling work clocks of chip inner device modules, such as the slave unit, etc. via the bus signal and the slave unit, the chip inner device module is avoided from generating an unnecessary circuit turnover under a non-work state, to thereby achieve the purpose of reducing the dynamic power dissipation of the chip inner device module.

The invention discloses a multifunctional sports wristband which comprises a main body and a wristband, wherein the main body further comprises a shell as well as a display screen, a storage battery and a master control system which are arranged in the shell; a groove is formed on the shell, the display screen is hinged with one side of the groove, the display screen is connected with the master control system by virtue of a flexible cable, and upper and lower layers are arranged at the bottom of the groove; the storage battery and the master control system are arranged in the lower layer; a vibrating device is arranged in the upper layer; the sports wristband further comprises a vibrating massage head which is detachably connected with the vibrating device which is electrically connected with the storage battery and the master control system, respectively; a joint is arranged on the end part of the wristband on one side while a receiving groove is formed on the end part of the wristband on the other side. The wristband disclosed by the invention not only has the conventional defection function for sports related information, but also is provided with the vibrating massage head, and can be used for massaging local part of a body. Meanwhile, the connection of the wristband is improved, so that the soundness of the sport wristband is greatly improved and the wristband is prevented from falling.

A twist vehicle includes a vehicle frame, a driving system, and a safety driving arrangement. The driving system includes a transmission member, having an upper portion connected to a steering member, rotatably supported by the vehicle frame. The safety driving arrangement includes a twisting member connected to a lower portion of the transmission member, a driving wheel assembly rotatably connected to two rear side portions of the twisting member, and a front stabilizing wheel rotatably and suspendedly supported at a front portion of the vehicle frame with a safety distance between the safety wheel assembly and the lower portion of said transmission member, so as to prevent the twist vehicle from flipping over when the twist vehicle is moving.