Abstract: Devices and methods for treating obesity are provided. More particularly, intragastric devices and methods of fabricating, deploying, inflating, monitoring, and retrieving the same are provided.

Abstract: A drill bit and method incorporate backup assemblies that limit depth of engagement of cutters with the formation. The backup assemblies dynamically adjust exposure relative to a cutting profile in response to downhole loading conditions. In an example, cutters are secured to the cone, nose, shoulder, and/or gage regions of the bit body. One or more backup assemblies are provided on the cone, nose, or shoulder region, and optionally, on the gauge region. A backup element on an outwardly facing end of the piston limits a depth of cut of one or more of the cutters. The backup element may be rigidly secured or rotatably secured to the piston. The piston may be biased outwardly to a neutral position aligned with or overexposed relative to the cutting profile.

Abstract: A drill bit and method incorporate backup assemblies that limit depth of engagement of cutters with the formation. The backup assemblies dynamically adjust exposure relative to a cutting profile in response to downhole loading conditions. In an example, cutters are secured to the cone, nose, shoulder, and/or gage regions of the bit body. One or more backup assemblies are provided on the cone, nose, or shoulder region, and optionally, on the gauge region. A backup element on an outwardly facing end of the piston limits a depth of cut of one or more of the cutters. The backup element may be rigidly secured or rotatably secured to the piston. The piston may be biased outwardly to a neutral position aligned with or overexposed relative to the cutting profile.

Abstract: A magnetic depth of cut controller (DOCC) includes a housing having a body portion with a bore extending into the body portion and a depth of cut (DOC) element positioned at least partially within the bore and having a working face to engage a subterranean formation. The DOC element is moveable within the bore to extend or retract from a first end of the housing. Further, the DOCC includes a magnet secured within the bore of the housing between the DOC element and a second end of the housing. Moreover, the DOCC includes a magnetic fluid disposed within the bore of the housing between the DOC element and the second end of the housing. The magnetic fluid has a viscosity that changes responsive to proximity to the magnet to provide a variable resistance to movement of the DOC element.

Abstract: A magnetic depth of cut controller (DOCC) includes a housing having a body portion with a bore extending into the body portion and a depth of cut (DOC) element positioned at least partially within the bore and having a working face to engage a subterranean formation. The DOC element is moveable within the bore to extend or retract from a first end of the housing. Further, the DOCC includes a magnet secured within the bore of the housing between the DOC element and a second end of the housing. Moreover, the DOCC includes a magnetic fluid disposed within the bore of the housing between the DOC element and the second end of the housing. The magnetic fluid has a viscosity that changes responsive to proximity to the magnet to provide a variable resistance to movement of the DOC element.