A61L31/128

Medical examination gloves
10792401 · 2020-10-06 ·

The disclosed medical examination glove comprises natural or nitrile rubber latex, and a water soluble singlet oxygen generator. The glove can be manufactured by contacting a glove former with a coagulant solution comprising divalent calcium cations and carbonate particles and a water soluble singlet oxygen generator and then contacting the glove former with a natural or nitrile rubber latex dispersion.

METHOD AND APPARATUS FOR TREATING BONE FRACTURES, AND/OR FOR FORTIFYING AND/OR AUGMENTING BONE, INCLUDING THE PROVISION AND USE OF COMPOSITE IMPLANTS, AND NOVEL COMPOSITE STRUCTURES WHICH MAY BE USED FOR MEDICAL AND NON-MEDICAL APPLICATIONS

A composite comprising: a barrier, said barrier being configured to selectively pass water, and said barrier being degradable in the presence of water; a matrix material for disposition within said barrier, wherein said matrix material has a flowable state and a set state, and wherein said matrix material is degradable in the presence of water; and at least one reinforcing element for disposition within said barrier and integration with said matrix material, wherein said at least one reinforcing element is degradable in the presence of water, and further wherein, upon the degradation of said at least one reinforcing element in the presence of water, provides an agent for modulating the degradation rate of said matrix material in the presence of water.

Metal Material for Medical Device, Method of Manufacturing Metal Material for Medical Device, and Medical Device
20240009358 · 2024-01-11 ·

The present disclosure provides a metal material for a medical device, the metal material including a metal layer, and a diamond-like carbon layer provided on the metal layer and containing fluorine and silicon.

METHOD AND APPARATUS FOR TREATING BONE FRACTURES, AND/OR FOR FORTIFYING AND/OR AUGMENTING BONE, INCLUDING THE PROVISION AND USE OF COMPOSITE IMPLANTS

A composite implant comprising an injectable matrix material which is flowable and settable, and at least one reinforcing element for integration with the injectable matrix material, the at least one reinforcing element adding sufficient strength to the injectable matrix material such that when the composite implant is disposed in a cavity in a bone, the composite implant supports the bone.

A method for treating a bone, the method comprising: selecting at least one reinforcing element to be combined with an injectable matrix material so as to together form a composite implant capable of supporting the bone; positioning the at least one reinforcing element in a cavity in the bone; flowing the injectable matrix material into the cavity in the bone so that the injectable matrix material interfaces with the at least one reinforcing element; and transforming the injectable matrix material from a flowable state to a non-flowable state so as to establish a static structure for the composite implant, such that the composite implant supports the adjacent bone.

Shape memory polymer nanocomposites and uses thereof

The invention relates to radiopaque shape memory foam compositions and methods of using the compositions. In certain embodiments, the compositions are used in neurovascular occlusion applications.

ELECTRIFIED COMPOSITE MEMBRANE WITH EXTRACELLULAR MATRIX ELECTRICAL TOPOLOGY CHARACTERISTICS, AND PREPARATION METHOD THEREOF

The invention involves a kind of electrified composite membrane with extracellular matrix electrical topology characteristics and its preparation method, which resolves the technical problems of poor matching of electric characteristics and natural extracellular matrix characteristics in the existing materials and limited restoration effect of materials. The invention provides a kind of electrified composite membrane with extracellular matrix electrical topology characteristics mainly composed of ferroelectric polymer matrix and piezoelectric active fiber fillings. By regulating the draw ratio, content and of piezoelectric active fiber and thickness of composite film, the invention can realized the flexibility of film material and electrical topological features of bionic extracellular matrix, with proper tissue adhesion and good electric adaptability and high clinical operability.

ELECTRIFIED COMPOSITE MEMBRANE WITH EXTRACELLULAR MATRIX ELECTRICAL TOPOLOGY CHARACTERISTICS, AND PREPARATION METHOD THEREOF

The invention involves a kind of electrified composite membrane with extracellular matrix electrical topology characteristics and its preparation method, which resolves the technical problems of poor matching of electric characteristics and natural extracellular matrix characteristics in the existing materials and limited restoration effect of materials. The invention provides a kind of electrified composite membrane with extracellular matrix electrical topology characteristics mainly composed of ferroelectric polymer matrix and piezoelectric active fiber fillings. By regulating the draw ratio, content and of piezoelectric active fiber and thickness of composite film, the invention can realized the flexibility of film material and electrical topological features of bionic extracellular matrix, with proper tissue adhesion and good electric adaptability and high clinical operability.

Low-profile ventriculoamniotic shunt for fetal aqueductal stenosis

The invention relates to an in-utero ventriculoamniotic shunting device that includes a shunt tube (26) composed of polymer composite and having metallic wire embedded therein, one or more anchors (30) composed of superelastic wire, e.g., thermal shape-set nitinol structures, that are mechanically attached to an exterior surface of the shunt tube (26), and a one-way passive valve (32) composed of a thin polymer membrane. The anchors (30) are effective to prevent migration and dislodgement of the shunting device following its deployment, and the valve (32) is effective to prevent the backflow of amniotic fluid (23).

Method for Preparing Chitosan/Heparinized Graphene Oxide Composite Multilayer Film on Surface of Medical Magnesium Alloy
20200254151 · 2020-08-13 ·

A method for preparing a chitosan/heparinized graphene oxide composite multilayer film on the surface of a medical magnesium alloy comprises the following steps: firstly preparing negatively charged heparinized graphene oxide; then performing surface chemical treatment and self-assembly of 16-phosphonohexadecanoic acid molecules on the medical magnesium alloy; further covalently immobilizing chitosan on the surface of the magnesium alloy, thereby constructing a positively charged material surface; finally, alternately immersing the surface-modified magnesium alloy material in heparinized graphene oxide and a chitosan solution, and then fully adsorbing, and obtaining the chitosan/heparinized graphene oxide composite multilayer film after drying. The surface modification of the medical magnesium alloy by adopting the method of the present invention can significantly improve the corrosion resistance and biocompatibility of the magnesium alloy to lay a foundation for the application of the magnesium alloy in the field of implantable medical devices such as vascular stents.

Method for preparing chitosan/heparinized graphene oxide composite multilayer film on surface of medical magnesium alloy

A method for preparing a chitosan/heparinized graphene oxide composite multilayer film on the surface of a medical magnesium alloy comprises the following steps: firstly preparing negatively charged heparinized graphene oxide; then performing surface chemical treatment and self-assembly of 16-phosphonohexadecanoic acid molecules on the medical magnesium alloy; further covalently immobilizing chitosan on the surface of the magnesium alloy, thereby constructing a positively charged material surface; finally, alternately immersing the surface-modified magnesium alloy material in heparinized graphene oxide and a chitosan solution, and then fully adsorbing, and obtaining the chitosan/heparinized graphene oxide composite multilayer film after drying. The surface modification of the medical magnesium alloy by adopting the method of the present invention can significantly improve the corrosion resistance and biocompatibility of the magnesium alloy to lay a foundation for the application of the magnesium alloy in the field of implantable medical devices such as vascular stents.