The present invention provides a medical image guidance marker to be placed in a body, adapted to be applicable to at least all three types of imaging modalities, namely, MRI, ultrasound, and CT, and to minimize the occurrence of artifacts. The present invention provides a medical image guidance marker to be placed in a body. The medical image guidance marker is made of an alloy with a magnetic susceptibility in the range from −13 ppm to −5 ppm and has a shape of a coil. The coil is formed of a wire with a wire diameter of not less than 0.15 mm and not more than 0.45 mm and has a coil diameter of not less than 0.55 mm and not more than 1.20 mm, and the pitch of the coil is not less than 0.3 mm and not more than 1.5 mm and is not less than 1.8 times and not more than 4 times the wire diameter.

A surgical staple comprising a substrate and one or more coatings which slows the bioabsorption of the substrate. The coating can be selected so as to affect the environment surrounding the staple once the staple is implanted in the patient. The effect on the environment can cause the bioabsorption to occur within a desired time frame.

An amnion tissue delivery system for delivering amnion tissue into a location within a patient is described. The location within a patient may be a tube, vessel, lumen, orifice, fistula, aneurysm, or chamber. The amnion tissue delivery system employs a catheter and extendable element, such as a removable stent-like structure, in a configuration such that extension of the extendable section deploys the amnion tissue at the desired location. A method for delivery of amnion tissue within a patient is also described. The method includes placing the catheter within the patient using a minimally invasive, endoluminal and/or extraluminal procedure to position tissue, followed by deploying the extendable element to deliver the amnion tissue at the desired location.

Medical stent designs are disclosed. An example stent includes a tubular scaffold having a proximal end and a distal end. The tubular scaffold includes a first filament extending between the proximal end and the distal end, the first filament including a first biodegradable region positioned adjacent to a second biodegradable region. Further, the first biodegradable region includes a first biodegradable material, the first biodegradable material having a first rate of degradation. The second biodegradable region includes a second biodegradable material, the second biodegradable material having a second rate of degradation, wherein the first rate of degradation is different from the second rate of degradation.

Embodiments of the present disclosure provide for structures including an alloy of calcium, strontium, and magnesium.

Described are medical devices including expandable tubular bodies configured to be implanted into a lumen, wherein the outer surface of the expandable tubular bodies are coupled to a polymer(s).

The present invention provides a surgical anchor comprising a screw and a coil; said coil having a conical shape, wound around the screw shaft with the first end of the coil being tapered and having a ring circumference smaller than that of the screw head and being engaged to the bottom of the screw head and the second end of the coil being flared with a larger ring circumference and positioned along the screw shaft.

Methods for forming an expandable tubular body having a plurality of braided filaments including a first filament including platinum or platinum alloy and a second filament including cobalt-chromium alloy. The methods include applying a first phosphorylcholine material directly on the platinum or platinum alloy of the first filament and applying a silane material on the second filament followed by a second phosphorylcholine material on the silane material on the second filament. The first and second phosphorylcholine materials each define a thickness of less than 100 nanometers.

Some embodiments relate to additive manufactured articles having passivated surfaces and related methods. The methods may comprise forming a three-dimensional (3D) article by additive manufacturing to obtain an additive manufactured 3D article comprising a magnesium component. The method may further comprise exposing the additive manufactured 3D article to a reactive gas phase comprising a fluorine component. The fluorine component from the reactive gas phase may react with the magnesium component of the additive manufactured 3D article to form a passivation layer at and below a surface of the additive manufacture 3D article.

Embodiments of the present disclosure provide for structures including an alloy of calcium, strontium, and magnesium.