2335results about How to "Avoid accidental injury" patented technology

There is disclosed medical apparatus of the type for use in surgery such as transanal endoscopic microsurgery, as well as methods of providing access to, inspecting and enabling surgery within a body passage. In one embodiment of the invention, medical apparatus in the form of a rectal expander (10) is disclosed, the expander (10) being adapted for location at least partly within a body passage such as the rectum (12) of a patient (14), the expander (10) having a leading end (18) and an access area in the form of an opening (20) for access from the expander (10) into the rectum (12), at least part of the opening (20) being spaced from the leading end (18), and the expander (10) being controllably movable between collapse and expansion positions, for expanding the rectum (12).

A needle and a cover with a needle having an elongate shank and a tip with a sharpened point. The cover is coaxially associated with the elongate shank for movement therealong toward the tip and includes a part for extending beyond the sharpened point when the cover is positioned near the tip. A lock associated with the needle and cover cooperates with and holds the cover to prevent axial movement relative to the needle tip after positioning the cover near the tip. A retaining member on the adapter and on the cover releasably attach the cover to the adapter while on the elongate shank of the needle allowing the needle and cover to be disengaged from the catheter and adapter after placement.

Apparatus for securing a therapy delivery device relative to a burr hole. In one embodiment, the apparatus includes a base that is securable to bone, without the use of fasteners, either before or after insertion of the therapy delivery device into the burr hole. The base may frictionally engage the delivery device, e.g., receive it with interference, to secure the device relative to the burr hole. The base may have a relatively low profile such that a flange portion of the base extends only minimally above a cranial surface, e.g., about 4 millimeters or less.

Devices, systems, methods, and kits for treating the tissue structures of the ear make use of a guide structure that can mechanically register a treatment probe with a target region of a target tissue, the guide structure being fittingly received in an auditory canal and often comprising a conformable body such as a compressible foam, or the like. The guide structure may include an articulating mechanism for selectively orienting the treatment probe toward the target region of, for example, a tympanic membrane. The guide structure may also support a videoscopic image capture device, illumination transmitting optical fibers, an aiming beam transmitter, and the like. Such structures facilitate myringotomy, tympanostomy tube placement, and the like, under local anesthesia in a doctor's office.

A surgical purse-string suture device is composed of the shell with suture head and handle. The drive plate and pin cabin are in said suture head. The pin driving plate and pin shaping and guiding slot are in said pin cabin. The string bearing hole and the string fixer, through which the purse-string passes, are arranged at the lateral surface of suture head for putting the string between two pin feet. Its advantages are simple structure and short suture time.

Apparatus and methods for securing a therapy delivery device relative to a burr hole. In one embodiment, the apparatus includes a base that is securable to bone, without the use of fasteners, either before or after insertion of the therapy delivery device through the burr hole. The apparatus may further include a stabilizer that may be engaged with both the base and the therapy delivery device while the delivery device is held with positioning apparatus. The base and / or stabilizer may frictionally engage the delivery device, e.g., receive it with interference, to secure the device in two or more non-parallel directions. In some embodiments, at least the stabilizer may include a surface coating or treatment operable to enhance frictional engagement with the therapy delivery device.

A control device for marine animals comprises an electrical device that applies an electrical voltage directly to a marine animal in order to shock the marine animal, for control thereof. The device preferably comprises a pole or rod having electrical prongs at one end which my be applied to the marine animal, thereby applying and electrical signal having a voltage, amperage and frequency that stuns and / or shocks the animal. The character of the electrical signal is such that the animal is temporarily paralyzed, so that it may be safely handled by humans for bringing it into a watercraft without otherwise damaging the animal.

Apparatus and methods for securing a therapy delivery device relative to a burr hole. In one embodiment, the apparatus includes a base that is securable to bone, without the use of fasteners, either before or after insertion of the therapy delivery device into the burr hole. The apparatus may further include a stabilizer that may be engaged with both the base and the therapy delivery device while the delivery device is held with positioning apparatus. The base and / or stabilizer may frictionally engage the delivery device, e.g., receive it with interference, to secure the device in two or more non-parallel directions. In some embodiments, at least the stabilizer may include a surface coating or treatment operable to enhance frictional engagement with the therapy delivery device.

This invention is directed to a balloon catheter having at least one advancement wire with a distal end section secured to a distal tip section of the catheter, and with a textured section extending along the outer surface of at least a portion of an inflatable section of the catheter balloon. The textured section of the advancement wire preferably improves the ability of the balloon to remain in position in the patient's body lumen during inflation of the balloon to perform a medical procedure such as balloon angioplasty or stent touch-up.

The invention aims to provide a novel high-safety and high-production-efficiency solvent-free compound machine with good finished product quality, which comprises a frame, a coating mechanism, a recombination mechanism, a winding mechanism, a first unwinding mechanism, a second unwinding mechanism, a power mechanism, a wallboard, a machine head, a waste gas recycling part, a cooling steel sword, a transition steel sword group, a swing tension steel sword group and a control box; the clearance and pressure between various steel swords of the coating mechanism can be independently adjusted and a novel structure in which centers of separate steel swords are in the same horizontal line is applied to the compound mechanism; in the winding mechanism, the winding pressure is kept constant during the winding in any diameter and a novel mechanism which pneumatically controls an observation window is applied to the observation window; a novel humanized control panel mechanism with reasonable operation panel structure which can adjust the lighting direction is applied to the control box, thus ensuring the efficiency, quality and safety of the production. Furthermore, the compound machine can be more conveniently operated, has more reasonable structure and more pleasant shape compared with the original equipment.

Considerable damage to rails, wheels, and trucks can result from geometric anomalies in the wheelsets, rails, and truck hardware. A solution for identifying and quantifying geometric anomalies known to influence the service life of the rolling stock or the ride comfort for the case of passenger service is described. The solution comprises an optical system, which can be configured to accurately perform measurements at mainline speeds (e.g., greater than 100 mph). The optical system includes laser line projectors and imaging cameras and can utilize structured light triangulation.

The invention discloses a safe self-destroying vaccine syringe, which is characterized in that the side wall of a rod body at the end part of a core rod is provided with a transverse gap which is communicated with a longitudinal gap at the rod body of the end part of the core rod; the transverse gap is matched with the longitudinal gap; a needle consists of an upper hub and a lower hub which are sleeved with each other; an inner cavity of the lower hub is hollow; the lower hub is of a cylindrical structure; and the inner wall of the lower hub relative to the other end opening for mounting the upper needle stand is provided with a convex rid of the lower hub. The safe self-destroying vaccine syringe has the advantages that the whole vaccine syringe has a reasonable structure, completely accords with various international standards, controls liquid medicine accurately, can achieve high degree automatic mass production during assembling, effectively improves production efficiency, reduces manufacturing cost, has high working stability in actual use experiments, can effectively prevent the syringe from accidentally injuring medical staff and other correlative staff during operation, and also puts an end to the secondary recycle of a disposable vaccine syringe.

The invention discloses a fully-automatic optical element cleaning device with an ultrasonic-megasonic composite frequency. The ultrasonic-megasonic composite frequency covers low / intermediate / high ultrasonic frequencies and low / intermediate / high megasonic frequencies. Particularly, an appropriate program and process parameters are selected to aim at super-clean washing requirements for an optical element, and pollutants from a micron scale to a nanometer scale on the surface of the optical element can be effectively removed. The fully-automatic optical element cleaning device with the ultrasonic-megasonic composite frequency has the main characteristics that an ultrasonic solution soaking cleaning tank, a megasonic cleaning tank and a spraying tank are designed; different frequency ultrasonic and megasonic waves are adopted, and cleaning requirements from a micron size to a nanometer size are covered; a workpiece is driven by a cylinder to reciprocate up and down in a tank body, a wave node of a standing wave field is prevented from being generated in a fixed area of the surface of the workpiece by virtue of a frequency sweeping function of an ultrasonic-megasonic generator, and the surface damage is avoided; the tank body adopts overflow cycle heating filtration; the total length of an overflow front edge is increased by using a trapezoidal saw-tooth type overflow edge design to obtain uniform and stable overflow; an inclined workpiece clamping device cooperates with an air knife and a slow lifting mechanism to dry the workpiece.

A pet bathtub includes a bathtub body having a bathing chamber covered with a hinged cover, a drain pipe for carrying water away from the bathing chamber and an open entry through which the pet extends its head out of the bathing chamber, a water supply unit having a water intake pipe installed in the bathtub body and connected to an external water source and water spray tubes arranged in the cover for ejecting water from the water intake pipe into the bathing chamber, and an air supply unit mounted in the bathtub body and having an air delivery tube with an air nozzle for ejecting forced air to dry the pet.

The invention provides an external skeleton assisted rehabilitation therapy system. The system comprises a base plate, a partition plate, a thin-diameter alloy wire, a tail-end execution continuous body mechanism and a driving portion, wherein the tail-end execution continuous body mechanism is composed of a tail end piece, and the driving portion is used for driving the tail-end execution continuous body mechanism to move. The driving portion comprises a transmission mechanism and a driving continuous body mechanism. The driving continuous body mechanism comprises a lower-end installation plate, a thick-diameter alloy wire, an inner-layer partition plate, an outer-layer partition plate and tail-end clamping discs. One end of the thin-diameter alloy wire and one end of the thick-diameter alloy wire are fixed on the same tail-end clamping disc. The other end of the thin-diameter alloy wire is fixed on the tail end piece and can freely slide in the base plate and the partition plate, therefore, the thick-diameter alloy wire is pushed or pulled, and when the driving continuous body mechanism bends, the tail-end execution continuous body mechanism correspondingly bends. According to the external skeleton assisted rehabilitation therapy system, accidental injuries to patients can be prevented, meanwhile, the muscle-bone structures of different users can be self adapted, and the adjustment of hardware due to changing of the users is reduced as far as possible.

The invention relates to a monitoring device used for monitoring the scouring depth of a river bed, and an automatic remote monitoring system as well as a bridge. The monitoring device used for monitoring the scouring depth of the fundamental river bed of the bridge comprises at least one gravity measuring rod, one end of which is held and connected on the river bed and the other end thereof extends to the vertical direction; at least one protective cased pipe, wherein, the center thereof is used for the penetration of the gravity measuring rod and allows the vertical sliding of the rod; at least one sliding bush with one end provided with a guiding part loosely sheathed outside the cased pipe and the other end thereof fixed on the pier of the bridge and used for maintaining the vertical sliding of the cased pipe and gravity measuring rod. In this way, when the river bed sinks owning to the scouring, the gravity measuring rod and the protective cased pipe also sink accordingly, scouring data is obtained by level slippage, furthermore, an alarm is given and the traffic is controlled to avoid the occurrence of accidents. The invention simultaneously discloses a remote monitoring system and a bridge with the function of automatic monitoring.

The invention discloses a external-insulation dry-ice cleaning system for electrical equipment, which belongs to the technical field of the external-insulation dirt removal of electrical equipment of an electrical system. The external-insulation dry-ice cleaning system adopts the structure that a dry-ice particle spray nozzle (1), an insulating adjustable bracket (2), a dry-ice transmission insulating pipe (3), a dry-ice cleaning device (5), an air compressor (6) and an air dryer (7) are sequentially connected with each other front and back, wherein the dry-ice particle spray nozzle (1), the insulating adjustable bracket (2), an insulating bracket regulating lever pipe (4) and a bracket regulating power device (8) are sequentially connected with each other from front and back, a dry-ice making granulating machine (10) is connected with a liquid carbon dioxide storage tank (11), a dry-ice insulation can (12) is independent equipment, and an earthing base (9) is taken as a safe earthing pedestal of the external-insulation dry-ice cleaning system. The invention has high dirt removing efficiency, is suitable for the on-line cleaning of an insulating sleeve and an insulating mainstay or an erected transmission line insulator inside a transformer station, and is an effective measure for safely generating the electricity and ensuring the electricity supply.

The invention discloses an assembling stand for assembling a tank type vessel and an assembling method. The assembling stand comprises an underframe, a roller frame arranged on the underframe and two chuck components arranged on the underframe. Each chuck component comprises a main bracket arranged on the underframe, a movable frame which is arranged on the main bracket and can move along the direction parallel to the longitudinal direction of the underframe and a chuck connected with one end of the movable frame, wherein a clamping claw is arranged on the chuck. In assembly, end sockets of the tank type vessel are put in the corresponding chucks respectively and are clamped by the clamping claws of the chucks; a cylinder body of the tank type vessel is placed on a roller frame; then, the movable frames of the chuck components move towards the roller frame respectively to allow two end sockets to be interconnected with two ends of the cylinder body respectively; and finally the interconnected end sockets and the cylinder body are fixed together. The assembling stand can effectively avoid accidental injury of parent metal in assembly and improve production efficiency and assembling precision.

The invention relates to an oil field operation device, in particular to an oil field workover treatment machine. The machine body is arranged on a hydraulic load-bearing traveling gear and is interlocked with the hydraulic load-bearing traveling gear. Hydraulic tongs connected with a telescopic bracket on the machine body can be extended out and retracted with the telescopic bracket. A clip seat is positioned below the hydraulic tongs and is arranged on a well head. An elevator which is suspended onto the machine body can reciprocate up and down. A faucet is positioned above the machine body and the clip seat; a pipe throwing device is arranged on the faucet and the machine body; and a clip unlocking device and a clip locking device corresponding to the elevator are arranged on the clip seat and the pipe throwing device respectively. A righting mechanism and a valve mechanism are further arranged on the faucet. A control cabinet is arranged on the machine body; and the clip seat, the hydraulic tongs, the elevator and the pipe throwing device are connected with a control system in the control cabinet respectively. The oil field workover treatment machine can be assembled and disassembled conveniently and rapidly, thereby not only facilitating transportation, but also changing the positions to meet the requirements of different work. Simultaneously the machine can be laid freely at a well field according to the practical conditions.

A tray assembly for use with dental instruments is disclosed herein comprising: a tray, an plate having a top plane and a bottom plane and apertures, the apertures being horizontally configured to receive a plurality of receiver assemblies supported on a top plane via a receiver assembly support, a plurality of semi-cylindrical Radel® instrument supports, a stationer comprising a biasing means whereby the instrument is friction held in stasis between the stationer and the instrument support, and a plurality of instrument stationers. The plate includes a plurality of aperture(s), at least one receiver assembly for receiving at least one medical / dental instrument inserted between the instrument support and the biasing instrument stationer, suspended within the tray. A kit is also disclosed for the present invention.

The invention discloses a rear left-side type ditcher. The rear left-side type ditcher comprises an L-shaped machine frame and a vertical column, wherein the L-shaped machine frame is connected to a hooking frame at the rear portion of a tractor; the machine frame is provided with a gearbox located on the left side of the rear portion of the tractor; an output spline shaft of the gearbox is driven by a power mechanism of the tractor; the spline shaft is provided with a roller cutterhead; a plurality of blades are evenly distributed on the periphery of the roller cutterhead; the vertical column capable of being adjusted vertically is arranged on and connected to the machine frame; a straightening board shaft is fixedly arranged on the side portion of the vertical column in parallel; a horizontal bottom board is fixedly arranged at the bottom of the vertical column; the front end of a straightening board is hinged to the straightening board shaft; an adjusting bolt for limiting the rotation of the straightening board is connected between the bottom board and the straightening board. The rear left-side type ditcher improves the safety, prevents soil from being sucked into an air inlet of an engine and can ditch on the ridge edge, and as the machine frame is provided with a straightening device, the tractor is prevented from deviating according to the mechanics principle scientifically.

The invention discloses a device for intracavity in-situ fenestration and puncture. The device comprises a balloon catheter and a puncture needle assembly, wherein the balloon catheter is internally and coaxially sleeved with the puncture needle assembly. The balloon catheter comprises a balloon push rod with at least two cavities, a balloon body and a balloon catheter base, wherein the balloon body is mounted at the distal end of the balloon push rod, and the balloon catheter base is mounted at the proximal end of the balloon push rod. The puncture needle assembly comprises a puncture push rod, a puncture needle and a puncture handle, wherein the puncture needle is mounted at the distal end of the puncture push rod. The puncture handle comprises a proximal handle and a distal handle, wherein the distal handle is fixedly or removably fixedly connected to the balloon catheter base; the proximal handle is connected to the puncture push rod and disposed in the direction of the distal handle. A puncture control structure is disposed between the distal and proximal handles, and used for controlling puncture depth of the puncture needle and locking the puncture needle. The device for intracavity in-situ fenestration and puncture is capable of precisely controlling the puncture depth, adjusting the puncture depth, locking the puncture needle, and precisely puncturing and maintaining puncture sites at the center of branch blood vessels.

The invention relates to a sweeper anti-winding device which comprises a support seat, telescopic rods, a driver and a cutting device. The driver and the cutting device are connected on the support seat through the telescopic rods, the cutting device comprises a pair of opposite matched cutting strips, the two cutting strips include a driving strip and a driven strip, the driven strip is fixedly connected with the ends of the telescopic rods, the driving strip is slidably connected with the ends of the telescopic rods, the driving strip can reciprocate and translate on the axis of the drivingstrip under driving of the driver, the axes of the two cutting strips are parallel to the axis of a rolling brush, cutting teeth are axially and equidistantly arranged on the cutting strips, and the telescopic rods, the driver and the cutting device are electrically connected with a computer chip in a body. The sweeper anti-winding device is novel and unique in structure, impurities such as hair and thread ends wound on the rolling brush can be efficiently removed, the sweeping effect of a sweeper is ensured, the impurities wound on the rolling brush can be cut off, and the rolling brush is effectively protected.

A friendly fire avoidance system the system that is implemented in any arena involving weaponry and people, such as hunting, policing, military, emergency services, the system using a plurality of specialized navigation and communication devices ‘NCD’, that are wirelessly associated with one another and in communication with one another forming a MESH network, each NCD utilized in the system is associated with a friendly asset.

The invention relates to an oil field well workover treatment tool, in particular to hydraulic tongs capable of realizing the automatic loading / unloading of an oil pipe and a sucker rod. The hydraulic tongs comprise main tongs, back tongs, a high-low-speed gear shift mechanism and a connecting support. The back tongs are arranged on the connecting support; the main tongs are positioned above the back tongs and are connected with the back tongs through a guide bar; and the main tongs can reciprocate up and down along the guide bar. The high-low-speed gear shift mechanism is arranged on the main tongs; the output end of the high-low-speed gear shift mechanism is connected with a gear shift device inside the main tongs; and the high-low-speed gear shift mechanism is also connected with a hydraulic control module. The hydraulic tongs are connected with a hydraulic tongs telescopic bracket of the machine body of the well workover machine through the connecting support. The hydraulic tongs are driven by the telescopic bracket to realize automatic telescoping, thereby freeing operators from a dangerous operating environment. Automatic operation is realized for the loading / unloading of the hydraulic tongs, thereby not only reducing the labor intensity of workers, but also avoiding possible accidental injury of workers during the operation.