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38results about How to "Increased longitudinal flexibility" patented technology

Pleated stent assembly

The present invention is directed to a pleated medical device assembly, preferably a pleated stent assembly, comprising a tube co-pleated with a balloon to a delivery width suitable for intraluminal delivery. Because the tube of the present invention transitions between its original diameter and its delivery diameter by folding and unfolding, rather than by radial contraction and expansion, the wall of the tube of the present invention may be substantially non-expandable, and thus may be substantially solid. The pleated stent assembly of the present invention is particularly suited for the treatment of neurovascular aneurysms.
Owner:ELECTROFORMED STENTS

Mesh graft and stent for increased flexibility

InactiveUS7186263B2Increase longitudinal flexibilityIncreased longitudinal flexibilityStentsBlood vesselsProsthesisStent grafting
A composite stent-graft tubular prosthesis includes an inner PTFE tubular structure, an outer PTFE tubular structure positioned about the inner PTFE tubular structure and a diametrically deformable stent interposed between the inner and outer PTFE tubular structures. The interposed stent is formed from an elongate wire helically wound with a plurality of longitudinally spaced turns into an open configuration. Each of the turns includes successive aligned upper and lower wave-like peaks. Selective ones of said upper and lower peaks are exposed exteriorly of the outer PTFE structure to render the composite prosthesis longitudinally flexible.
Owner:LIFEPORT SCI

Machined springs for injector applications

A machined spring for injector applications includes opposed first and second spring bases separated apart along a longitudinal axis. A spring body connects the first and second spring bases. The spring body includes a generally annular wall with a plurality of spring channels defined therethrough, such as machined channels. Exemplary applications for such machined springs include liquid strainers, valve components, and structural components for accommodating thermal expansion in injectors.
Owner:COLLINS ENGINE NOZZLES INC

Coronary artery vascular stent with medicine carrying slots

ActiveUS20110238157A1Improve drug distributionIncrease adhesionStentsBlood vesselsDrugCardiology
The present invention discloses a coronary artery vascular stent with drug carrying slots (2), comprising a plurality of main supporting unit rings (1,8) and connecting rods (4,6). Said main supporting unit rings comprise a plurality of unit waves. There are drug carrying slots (2) at the outer surface of the rods of said unit waves, characterized in that the total slot length of the drug carrying slots (2) is 60%-75% of the total wave rod length of the main supporting unit rings (1,8).
Owner:SHANGHAI MICROPORT MEDICAL (GROUP) CO LTD

Methods for solid phase processing of tubes and medical devices made from the processed tubes

A polymer tube is processed using a solid phase process for improving mechanical characteristics of the tube, including radial strength and stiffness. The tube is made into a scaffold possessing improved mechanical and use characteristics, such as a reduced crimped profile and improved deliverability.
Owner:ABBOTT CARDIOVASCULAR

Turnout support system applicable to straddle type monorail

The invention discloses a turnout support system applicable to a straddle type monorail and belongs to related technical fields of straddle monorails. A continuous rigid frame in a longitudinal direction and a plurality of support units which are arranged below the continuous rigid frame at intervals in the longitudinal direction are arranged, the continuous rigid frame is fixedly connected with apier cover beam at the top of the support units, then a rigid system with synergetic stress is formed, and a turnout system can be stably supported effectively on premise that the setup height of a support system is reduced. The turnout support system applicable to the straddle type monorail, which is disclosed by the invention, is simple in structure, simple and convenient to set, small in construction difficulty and high in construction efficiency, a straddle type monorail turnout system can be effectively and stably supported, the height of the cover beam and the overall height of the turnover system are reduced, the construction cost is reduced, great flexibility is provided for design of stations and rails of the straddle type monorail, good application prospects and popularization and application values can be made, and popularization and application of the straddle type monorail can be effectively promoted.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
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