FABRICATION METHOD FOR COMPLEX, RE-ENTRANT 3D MICROSCALE STRUCTURES

    公开(公告)号:US20240181234A1

    公开(公告)日:2024-06-06

    申请号:US18431205

    申请日:2024-02-02

    CPC classification number: A61M37/0015 A61M2037/0053 A61M2207/10

    Abstract: A bilayer mold for forming polymer microstructures is provided. The bilayer mold includes a rigid plastic cylinder having slots defined along an outer periphery of the rigid plastic cylinder; and a layer of plastic elastic polymer material disposed within the slots and having indents defined therethrough and in the rigid plastic cylinder. The indents have a first profile extending through the layer of plastic elastic polymer and terminating within the rigid plastic cylinder. A metal polymer structure profile is also provided using laser-etching of a desired shape for the features of the microstructures in a metallic foil, followed by further refining of the features. The polymer and metal microstructures can be formed on the surface of a stent to facilitate retention of the stent.

    Jamming Grip For Earbud Retention
    5.
    发明申请

    公开(公告)号:US20180338195A1

    公开(公告)日:2018-11-22

    申请号:US15981666

    申请日:2018-05-16

    Abstract: Current ear-inserts are custom made, have variable sizes, and often fall out of the user's ear. In an embodiment, a gripping ear-insert includes a sealed membrane having conformable material therein (e.g., within a cavity). The sealed membrane is configured to form a shape conforming to a section of the human ear upon insertion. The gripping ear-insert also includes a port configured to, in response to being activated, allow for adjustment of air pressure within the sealed membrane. The gripping ear-insert can also include a control coupled with the port, configured such that in response to the control being activated, the port evacuates air from a cavity of the sealed membrane, such that the sealed membrane retains its shape after evacuation of the air. As such, the gripping ear-insert is secured in the user's ear while the amount of air/air pressure is adjusted.

    METHOD OF ASSEMBLING NANOSCALE AND MICROSCALE OBJECTS IN TWO- AND THREE-DIMENSIONAL STRUCTURES

    公开(公告)号:US20170240773A1

    公开(公告)日:2017-08-24

    申请号:US15518635

    申请日:2015-11-10

    Inventor: David J. Carter

    CPC classification number: C09J7/00 B81C1/00206 B81C2201/0149

    Abstract: A method of assembly of micro-scale objects includes forming a pattern of a first functional moiety on a surface of a substrate, contacting the surface of the substrate with a first liquid suspension including first micro-scale feedstock elements functionalized with a second functional moiety, complimentary to the first functional moiety, on first portions of the first micro-scale feedstock elements and functionalized with a third functional moiety on second portions of the first micro-scale feedstock elements, aligning the first portions of the first micro-scale feedstock elements with the surface of the substrate, and facilitating bonding the second functional moieties to the first functional moieties to form a first microstructure pattern of the first micro-scale feedstock elements on the surface of the substrate.

    MICROSTRUCTURES FOR LONG-TERM MECHANICAL ADHESION TO TISSUE

    公开(公告)号:US20230001054A1

    公开(公告)日:2023-01-05

    申请号:US17855081

    申请日:2022-06-30

    Abstract: A biocompatible adhesive is disclosed. The biocompatible adhesive includes a substrate and a plurality of micro-scale elements extending from a surface of the substrate having a length selected to puncture a layer of a target tissue or target material. At least some of the micro-scale elements include at least one protrusion dimensioned to anchor the biocompatible adhesive to the target tissue or target material. A medical device assembly is also disclosed. The medical device assembly includes the biocompatible adhesive coupled to a surface of a component of the medical device assembly and positioned to attach the medical device assembly to the target tissue or target material. A method of facilitating attachment of a medical device assembly to a target tissue is also disclosed. A method of facilitating treatment of a wound is also disclosed.

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