1556results about How to "Change length" patented technology

A method and apparatus for providing an adjustable length surgical implant is provided, wherein the surgical implant is readily adjustable by a surgeon using a surgical tool sized for use with the surgical implant. Adjustment of the surgical implant further requires a small incision through the skin prior to the adjustment of the length of the implant, such that the potential for infection is greatly reduces and the associated trauma of surgery is lessened for the patient.

A method and apparatus for providing an adjustable length surgical implant is provided, wherein the surgical implant is readily adjustable by a surgeon using a surgical tool sized for use with the surgical implant. Adjustment of the surgical implant further requires a small incision through the skin prior to the adjustment of the length of the implant, such that the potential for infection is greatly reduces and the associated trauma of surgery is lessened for the patient.

Balloon catheters having the strength and maximum inflated diameter characteristics of an angioplasty balloon and having the recovery characteristics during deflation of an elastic embolectomy balloon. The balloon catheter can be made in very small sizes and has a lubricious and chemically inert outer surface. The balloon catheter is easy to navigate through tortuous passageways, is capable of rapid inflation and deflation and has high burst strengths. Balloon covers having these same characteristics are also described for use with conventional embolectomy balloons or angioplasty balloons.

A method and apparatus for providing an adjustable length surgical implant is provided, wherein the surgical implant is readily adjustable by a surgeon using a surgical tool sized for use with the surgical implant. Adjustment of the surgical implant further requires a small incision through the skin prior to the adjustment of the length of the implant, such that the potential for infection is greatly reduces and the associated trauma of surgery is lessened for the patient.

A catheter system suitable for the retrieval of debris and other solid or liquid matter from body passages, and the removal of said matter from the body. More particularly, a catheter system including two or more concentrically-arranged conduits and an inflatable element connected therebetween, wherein the inflatable element is arranged such that it may entrap solid or liquid matter in an internal annular cavity.

A vacuum cleaner comprising: a motor coupled to a fan for generating air flow; a dirt separation means located in a path of the air flow generated by the fan; a cleaner head located in the path of the air flow upstream of the dirt separation means; at least one support wheel for supporting the vacuum cleaner upon a floor; and an elongate body with a handle at a longitudinal end, wherein the motor, the fan, the cleaner head, the dirt separation means and the at least one support wheel are arranged about an opposite longitudinal end of the elongate body to the handle, wherein the elongate body is telescopically extendible to alter the length of the vacuum cleaner between a compact position and an extended position and wherein the extended position is at least double the length of the compact position.

Methods and reagents are disclosed which provide for more sensitive, more accurate and higher through-put analyses of target nucleic acid sequences. The methods and reagents of the present invention may be generically applied to generally any target nucleic acid sequence and do not require a priori information about the presence, location or identity of mutations in the target nucleic acid sequence. The reagents of the invention are mixtures of oligonucleotide precursors having a high level of coverage and mass number complexity, and also having tags analyzable by mass spectrometry which are covalently linked to the precursors through cleavable bonds. A method is also disclosed for analyzing a target nucleic acid sequence employing the mixtures of oligonucleotide precursors having tags analyzable by mass spectrometry covalently linked to the oligonucleotide precursors through cleavable bonds, and chemical or enzymatic assays to alter the mass of the oligonucleotide precursors prior to mass spectral analysis. The enzymatic assay may be a polymerase extension assay or a ligation-based assay. The kits for carrying out the methods of the invention are also disclosed.

A liquid crystal material is held between a circuit array and counter substrates. A plurality of spacers are disposed to keep a gap between the circuit array and counter substrates substantially constant. Change in distance of the gap equivalent to constriction of the liquid crystal material due to change in temperature from 20.degree. C. to -20.degree. C. is less than change in height of the spacers on conditions that the pressure of 100 mN / nm2 is applied between the substrates and that the liquid crystal material is not held between the substrates.

The invention discloses a snakelike mechanical arm, wherein a rigid rod is taken as a central strut, a flexible rope is adopted for driving, a power supply and a driver are arranged on a snakelike arm base, and the snakelike mechanical arm has the advantages of compact structure, strong flexibility and large rigidity. Different actuators or sensors are arranged on a tail end of the snakelike mechanical arm so as to complete different operation tasks, such as detection of non-structural narrow spaces of cabins, carriages and the like, as well as gluing, detection, chip removal, redundancy pickup and the like of inner cavities of airplanes.

Balloon catheters are provided having the balloon length is substantially surrounded by an elastic cover. The balloon and the cover maintain a substantially and circular cross-section along the balloon length during inflation. The cross section is able to maintain a uniform size down the length of the balloon during inflation.

The invention relates to microwave source devices in the technical field of high-power microwaves and provides a wave-band-cross mechanical frequency modulation relativity back wave oscillator. The wave-band-cross mechanical frequency modulation relativity back wave oscillator comprises a cathode seat, a cathode, an anode outer cylinder, a cut-off neck, a slow wave structure, an inner conductor, a collector, a microwave output and a solenoidal magnetic field. The inner conductor is a cylinder, by adjusting the length of the inner conductor, the frequency of outputting microwaves can be adjusted, and outputting of wave-band-cross microwaves is achieved. An annular groove is formed in the collector, and a supporting rod is fixed on the anode outer cylinder. The wave-band-cross mechanical frequency modulation relativity back wave oscillator has the advantages that by adjusting the length of the inner conductor, frequency can jump between L wavebands and S wavebands, the adjusting manner is simple, the frequency in the wavebands can be adjusted, the bandwidth in the L-waveband frequency is adjusted by 7% or so, and the bandwidth in the S-waveband frequency is adjusted by 2% or so. The outer radius of a slow-wave vane can have a low value, and miniaturization is achieved. A groove structure is reserved at the left end of the collector, reflection of the tail end of the device can be increased, and achieving long-pulse outputting of the wavebands is facilitated.

A wheel dolly is disclosed that is suited to serve as both an automobile jack, capable of holding large loads aloft for extended periods, relying on only mechanical systems and eliminating hydraulic systems. In a further aspect, the wheel dolly of the present invention does not include extended arms, handles, or levers for pumping or rotating the lifting mechanisms. Each lifting element terminates in only a single nut exposed to the user. Preferably, each nut of each lifting system has the same plan dimensions as the other, thus providing the advantage of allowing the user to operate the dolly with a driver and only one socket.

An adjustable depth merchandising apparatus includes an elongated mounting member operationally securable to an associated shelf and extending parallel to a longitudinal axis thereof. An adjustable divider system is selectively connected to the mounting member. The divider system includes a first divider portion and a second divider portion. Each portion contains connecting elements, which selectively engage each other to operatively connect the first divider portion to the second divider portion, thereby enabling the divider system to be employed on associated shelves of varying depths. A trackless pusher system is selectively received on the mounting member. The pusher system includes a mounting clip engaging the mounting member, a coil spring connected to the mounting clip and a pusher body slidably mounted in relation to the mounting member, wherein the coil spring is supported by the pusher body and connects the pusher body to the mounting clip. Both the divider system and the pusher system have a length which can be adjusted, thereby enabling the two systems to be employed on associated shelves of varying depths.

An actuator (4) is connected, on one side, to a valve needle (3), and on the opposite side, to a hydraulic piston (6) pertaining to a hydraulic length compensator. A working chamber (5) is divided by a tight separating membrane (9), into an actuator chamber (10) containing the actuator (4) and a fluid chamber (11) which can be filled with the fluid to be dosed in a pressurized manner while the actuator chamber (10) and the hydraulic chamber (7) are filled with a hydraulic fluid. A base pressure can be produced in the hydraulic fluid by means of the pressure of the fluid to be dosed, which is transmitted through the separating membrane (9).

The invention discloses a cable peeling recovery device, which comprises a device outer frame and supporting legs arranged at the bottom of the device outer frame, a cable inlet is opened on the left side wall of the device outer frame, and the inside of the device outer frame is installed in sequence from left to right There are: the first guide wheel is used to guide the cable to move to the right; the pressure plate is used to press the cable and remove the stain on the cable surface, and the lower end of the pressure plate is fixed with a cleaning block; the cutter device is used to cut the cable skin; the second guide wheel is used for Fix the cable above the cutter device and guide the cable to move to the right; the cable skin recovery wheel and the cable core recovery wheel are used to strip the cable inner core from the cable skin and recover the cable inner core and cable skin. The invention solves the problems that the existing electric wire recycling device cannot peel and classify the electric wires, is not suitable for recycling cables with different diameters, and has low working efficiency.

The invention discloses a management method for network data transmission of zero copy buffer queue, which belongs to the field of management method of data buffer queue of network data zero copy. The technical proposal of the invention includes the following operating steps: A. a continuous-memory allocated in a user space is taken as a DMA buffer for messages; B. a control handle of the buffer is established inside a kernel-mode driver; C. the control handle is mapped by an application program through an interface repository so as to realize operation of the buffer; and D. when messages are transmitted, the physical address of a full buffer is written into a network card by the driver, a buffer filled with messages taken out from the full buffer is applied, then the buffer is positioned inside an empty buffer queue after the messages are transmitted. The invention is applicable to the flexible management of a message buffer by a zero copy driver.

A ratcheted spinal device including a variable-length member including a ratchet mechanism that has an operative configuration that allows a change in length of the variable-length member in one direction and prevents a change in length of the variable-length member in an opposite direction, wherein the variable-length member includes polyaxial-joint attachment members for attachment to bone, which permit pivoting movement of the attachment members about more than one pivoting axis.

A bicycle air shock absorber assembly that includes a hollow piston rod that is telescopically associated with a hollow compression rod. The piston rod and compression rod are positioned within the casing of the shock assembly. A piston is supported by the piston rod and divides the volume of the compression rod to form a negative air spring chamber and a positive air spring chamber that includes the volume of the piston rod. An optional coil spring is positioned within the casing and contributes in parallel with the positive air spring chamber to resist compression of the shock assembly.

A multi-style wig having a wig cap (1) with an interchangeable base section (3) and special extensions (18) which may be removably attached to the wig cap. Each extension is comprised of a clip (19) having hair (9) permanently attached thereto. The clip is preferably made of an elasticized fabric material that is folded around ribbons (4, 5, 11) of the cap. The clip has fasteners (7), which are preferably snaps (8), located on each end. To use, the extension is positioned at a desired location on the cap. Then, the clip is placed around the ribbon of the cap and the fastener is secured to attach the extension to the cap. A user may also alter the appearance of the wig by changing the interchangeable base section with a different base section having a different color, style and / or length of hair.

A telepole for swimming pool cleaning is disclosed as including an inner tube and a locking device to temporarily secure the inner tube in a desired position within an outer tube. A preferred lightweight design may be at least partially hollow, and durability may be provided by inner / reinforcement wall(s) in one or both of the tubes. A collar element is disclosed as “locking” the inner tube in place within the outer tube. The collar's opening and the profile of the inner tube are disclosed in a relationship that prevents the inner tube from rotating within the collar. The inner tube is disclosed as having a series of holes along its length to receive a pin element of a detent mechanism. The end of the outer tube opposite the collar is disclosed as having multiple sets of attachment holes to receive attachable and detachable swimming pool cleaning tools.

A semiconductor device includes: a semiconductor layer 10; a semiconductor region 15s of a first conductivity type defined on the surface 10s of the semiconductor layer; a semiconductor region 14s of a second conductivity type defined on the surface 10s of the semiconductor layer to surround the semiconductor region 15s; and a conductor 19 with a conductive surface 19s to contact with the semiconductor regions 15s and 14s. The semiconductor layer 10 includes silicon carbide. At least one of the semiconductor region 15s and the conductive surface 19s is not circular. The semiconductor region 15s and the conductive surface 19s are shaped such that as the degree of misalignment between the conductive surface 19s and the semiconductor region 15s increases from zero through one-third of the width of the conductive surface 19s, a portion of the profile of the conductive surface 19s that crosses the semiconductor region 15s has smoothly changing lengths.

A telescopic umbrella, such as a sunshade, that includes a lower upright stand pipe and a telescopic pipe arranged in a displaceable and arrestable manner therein. The telescopic umbrella also includes a canopy articulated on the telescopic pipe, it being possible for the canopy to be opened and closed by means of a sheathed cable or Bowden control running within the telescopic pipe and controlled by a control device. The control device is attached to the telescopic pipe so that the opening / closing movement of the umbrella canopy is uncoupled from the telescopic mechanism of the umbrella.