Encapsulation packages for stent-deployable monitoring devices formed of resonator sensors and allowing for magnetic biasing elements that exhibit a targeted impact on the mechanical characteristics of a stent are provided. Encapsulation packages are formed of different types and include a longitudinal shield and curved end on profile for aligning the shield within the deployable stent, the shield having perforations such that a resonator can be positioned adjacent the perforations for allowing particulate within the stent to collect and be measured by the resonator during deployment.

The present disclosure relates to a biliary drainage device for negative pressure-retrogradeinstallation of percutaneous transhepatic biliary drainage, and the biliary drainage device for negative pressure-retrogradeinstallation of percutaneous transhepatic biliary drainage (NR-PTBD) according to the present disclosure is a biliary drainage device for negative pressure-retrogradeinstallation of percutaneous transhepatic biliary drainage (NR-PTBD) being performed in a pancreaticoduodenectomy process, the biliary drainage device including a flexible tube having a suction port formed at one side end and mounted on an afferent loop in order to suck bile; and a guide member installed at the other end of the tube so that the tube inserted through a cut part of a biliary tract can penetrate a liver tissue.

A temporary esophagus occlusion device for providing temporary occlusion of the esophagus during intubation of a in patient includes a frame configured to transition between a contracted state, in which it can be swallowed by the patient, and an expanded state, wherein in the expanded state, the frame has a maximum outer diameter sufficient to span an inner diameter of the esophagus of the patient. The device also includes a flexible cover connected to and extending over at least a portion of the frame when the frame is in the expanded state to at least partially block flow of fluid and/or solid materials through the esophagus and a guidewire attached to the frame, sized to be swallowed by the patient along with the frame and having a proximal end portion configured to remain external to the patient's body and a distal end connected to the frame.

This invention relates to coated mesoporous nanoparticles (MSN). The coating material is an ultrasound-responsive material (for example a polymer) and it acts as a control layer for blocking/release of material loaded in the pores of the MSN.

Encapsulation packages for stent-deployable monitoring devices formed of resonator sensors and allowing for magnetic biasing elements that exhibit a targeted impact on the mechanical characteristics of a stent are provided. Encapsulation packages are formed of different types and include a longitudinal shield and curved end on profile for aligning the shield within the deployable stent, the shield having perforations such that a resonator can be positioned adjacent the perforations for allowing particulate within the stent to collect and be measured by the resonator during deployment.

A temporary esophagus occlusion device for providing temporary occlusion of the esophagus during intubation of a in patient includes a frame configured to transition between a contracted state, in which it can be swallowed by the patient, and an expanded state, wherein in the expanded state, the frame has a maximum outer diameter sufficient to span an inner diameter of the esophagus of the patient. The device also includes a flexible cover connected to and extending over at least a portion of the frame when the frame is in the expanded state to at least partially block flow of fluid and/or solid materials through the esophagus and a guidewire attached to the frame, sized to be swallowed by the patient along with the frame and having a proximal end portion configured to remain external to the patient's body and a distal end connected to the frame.

A carrier device and methods of use, for implanting in biological tissue and releasing a medical payload in the biological tissue according to remote ultrasound trigger pulses. The carrier device includes at least one internal resonant element with a resonance frequency in the ultrasound range. When an ultrasound pulse at the resonance frequency is sent through the tissue, the resonant element vibrates at high amplitude and raises the internal pressure of the carrier and releases the payload. In some embodiments, payload release can be started, stopped, and restarted at a later time or place. Individual carrier devices can be selectively triggered by providing different resonance frequencies, and external resonant elements can provide propulsion and navigation capabilities.

Surgical drainage device (10) comprising a first tubular body (11) inside which a second tubular body (12) is partly inserted in a telescopic and sliding manner.

A carrier device and methods of use are described. The device and methods are directed toward implanting in biological tissue and optionally for propelling in a biological tissue and for releasing a medical payload in a biological tissue according to remote trigger. The carrier device includes at least one element sensitive to the external stimuli. When external stimuli are sent through the tissue, the responsive element provides release of the functional material. In some embodiments, payload release can be started, stopped, and restarted at a later time or place. Individual carrier devices can be selectively triggered by implementing different elements in the devices, each element is sensitive to different stimuli. In addition to payload release, devices of this invention are equipped with a propelling element, the propelling element is responsive to external stimuli that enables propulsion and navigation of the device.

Disclosed is a system and a method for determining an injectable amount of bile required for a patient after gallbladder removal. The system comprises a receiving module, a creating module, and a determining module. The receiving module may receive a bile-flow rate, physiological parameters of a patient, and amount of fatty food in an alimentary tract of the patient. Based on these data received, the creating module may create a graph. Further, the determining module may determine a correlation between the bile-flow rate and the amount of fatty food in the alimentary tract based on the graph created. The correlation may be determined corresponding to a normal person and the patient which may be seen by two separate curves on the graph. Further, the determining module may determine an injectable amount of bile required for the patient based on the correlation.