A61L2300/44

Bone cements containing magnetic calcium phosphate nanoparticles

A bone cement formulation comprising: (a) magnetic calcium phosphate nanoparticles present in an amount of 5.0-95 wt. % and having a largest linear dimension of 150 nm to 50 microns; (b) polymerizable acrylate monomer present in an amount of 5.0-95 wt. %; and (c) polyacrylate polymer present in an amount of 0-80 wt. % and having a largest linear dimension from 5.0 to 500 microns. Upon exposure to an alternating magnetic field the formulation is heated which results in polymerization of the acrylate monomer component. The formulation may also be polymerized via the use of chain polymerization initiators.

TAGGED SURGICAL INSTRUMENTS AND METHODS THEREFOR
20170027660 · 2017-02-02 ·

Provided herein is a tag comprising an imaging sphere suspended within a matrix. In some embodiments, the matrix comprises a polymer. In some embodiments, the matrix comprises an adhesive polymer. In some embodiments, the matrix comprises a shelf-stable polymer. In some embodiments, the matrix comprises an epoxy. In some embodiments, the adhesive polymer comprises cyanoacrylate. In some embodiments, the imaging sphere comprises a cavity loaded with an imaging agent surrounded by a shell. In some embodiments, the imaging agent exhibits echogenic properties. Further provided is a method for preparing an imaging sphere comprising: depositing organic or inorganic material onto a bead surface to form a sphere with a solid core; removing the solid core by solvent extraction or calcination to form a hollow sphere; and loading the hollow sphere with an imaging agent.

MEDICAL ARTICLES WITH RADIO OPAQUE PATTERNS

Absorbent medical articles include a first absorbent layer with a radio opaque element located on the surface of the first absorbent layer. The radio opaque element has at least one segment that is non-linear and has at least one vertex, the vertex defines an angle of at least 15 and less than 165. The radio opaque element may be a continuous or discontinuous element. The absorbent medical article may include additional absorbent layers. The radio opaque element makes the absorbent medical article detectable if left inside a patient.

Neutron capture therapy for infection control of surgical implants

The present invention provides an implant comprising an isotope capable of producing a dose of ionizing radiation upon exposure to a flux of low energy neutrons, and a method in which, after implantation, the implant is exposed to a flux of low energy neutrons to control or treat infections.

Embolic compositions and methods

An embolization system and methods for controlling solidification of embolic compositions comprising a first and a second embolic component that react with each other in vivo at a target site to form an embolic material, with the embolic components being dilutable in physiological fluids so that they do not form an embolic composition at a site that is not desired.

3D PRINTED MATERIALS AND METHODS

Aspects of the present disclosure generally relate to 3D printed scaffolds for attaching a radionuclide and methods of use thereof. In some embodiments, 3D printed scaffolds comprising a first layer and/or a second layer, and a radionuclide, are provided. In some embodiments, methods for capturing a radionuclide using said 3D printed scaffolds, are provided. In some embodiments, methods of using 3D printed scaffolds with a radionuclide to capture a daughter radionuclide product at a location different than the 3D printed scaffold, are provided.

RADIOPAQUE GLASS RADIOEMBOLIZATION MICROPARTICLES AND RELATED METHODS
20250325726 · 2025-10-23 ·

A method of performing a radioembolization treatment includes injecting 402 a plurality of radioembolization particles into a bloodstream of a patient to treat a target tissue. Each radioembolization particle of the plurality of radioembolization particles includes a radioactive core and a radiopaque layer. The method also includes obtaining 404 an image of the target tissue and the radioembolization particles to determine 406 a dose of radioactivity delivered to the target tissue by the plurality of radioembolization particles. wherein the image is one of a computerized tomography (CT) image and an x-ray image.

3D-printed bioresorbable all-polymer composite soft tissue scaffolds

Provided herein photo-reactive inks, thermal-curable materials and objects (e.g., medical implants, scaffolds, devices, etc.) made therefrom, and methods of preparation and use thereof.

EMBOLIC COMPOSITIONS AND METHODS

An embolization system and methods for controlling solidification of embolic compositions comprising a first and a second embolic component that react with each other in vivo at a target site to form an embolic material, with the embolic components being dilutable in physiological fluids so that they do not form an embolic composition at a site that is not desired.

INJECTABLE RADIOPAQUE CROSSLINKED HYDROGEL PARTICLE SUSPENSIONS AND METHODS OF FORMING SAME
20250361366 · 2025-11-27 · ·

In some aspects, the present disclosure pertains to a method of forming radiopaque crosslinked hydrogel particles comprising (a) mixing a reactive multi-arm polymer comprising a plurality of cyclic imide ester groups, a reactive multifunctional compound comprising a plurality of amino groups, and a radiocontrast agent under conditions in which a pH environment surrounding the reactive multi-arm polymer, the reactive multifunctional compound and the radiocontrast agent increases from an acidic pH to a basic pH, thereby forming a radiopaque hydrogel and (b) subjecting the hydrogel to a particle size reduction process, thereby forming the radiopaque crosslinked hydrogel particles. Other aspects of the present disclosure pertain to radiopaque crosslinked hydrogel particles formed from such methods, suspensions of such radiopaque crosslinked hydrogel particles, and medical supplies that contain such radiopaque crosslinked hydrogel particles.