Abstract: The disclosed technology relates to low-profile humidifiers for humidifying breathing gases from a medical ventilator. In an example, the low-profile humidifier includes a humidifier body that includes a liquid port; a pump in fluid communication with the liquid port; a valve in fluid communication with the pump; a nozzle in fluid communication with the valve; a controller that controls the valve and the pump. The low-profile humidifier also includes a removable flow channel that is removable from the humidifier body. The removable flow channel includes a gas inlet sized for connection to a conduit from a medical ventilator; a gas outlet; a conduit between the gas inlet and the gas outlet; a heated surface within the conduit to vaporize liquid droplets injected by the nozzle; and a through hole to receive the nozzle into the conduit.

Abstract: An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

Abstract: The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical loading units, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical loading units to the handheld electromechanical surgical devices.

Abstract: A system facilitating planning of a surgical procedure includes one or more storage devices, one or more input devices, a processor, and a memory. The storage device(s) stores, for previous surgical procedures, surgical instrument information, procedure information, and patient information. The input device(s) is configured to receive procedure information and patient information corresponding to a surgical procedure to be performed. The memory stores instructions that, when executed by the processor, cause the processor to identify similar previous surgical procedures, identify outcome information for each of the similar previous surgical procedures, determine whether there is a correlation between the surgical instrument information of the similar previous surgical procedures and the outcome information of the similar previous surgical procedures, and, if a correlation is determined, output the correlation to facilitate planning of the surgical procedure to be performed.

Abstract: A method for implementing a dynamic three-dimensional lung map view for navigating a probe inside a patient's lungs includes loading a navigation plan into a navigation system, the navigation plan including a planned pathway shown in a 3D model generated from a plurality of CT images, inserting the probe into a patient's airways, registering a sensed location of the probe with the planned pathway, selecting a target in the navigation plan, presenting a view of the 3D model showing the planned pathway and indicating the sensed location of the probe, navigating the probe through the airways of the patient's lungs toward the target, iteratively adjusting the presented view of the 3D model showing the planned pathway based on the sensed location of the probe, and updating the presented view by removing at least a part of an object forming part of the 3D model.

Abstract: A system for registering a luminal network to a 3D model of the luminal network includes a computing device configured to identify potential matches in the 3D model with location data of a location sensor, assigning one of the potential matches a registration score based on a deformation model applied to the 3D model, and displaying the potential match having the highest registration score.

Abstract: A tissue property sensing system includes a sensing assembly that is movable along a drive screw and includes an outer shaft, an anvil, a center drive, a piston, and a tension spring. The piston includes a distal arm having a distal portion and a head that extends from the distal portion. The piston is movable within the outer shaft to move the head in relation to the anvil between an open configuration and a closed configuration, wherein in the closed configuration, the head of the piston and the anvil are positioned to clamp and occlude flow of blood within tissue. The tension spring is coupled to the center drive and to the piston to urge the piston towards the center drive and to urge the head of the piston towards the anvil.

Abstract: A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a layer of material is provided over the LED on the patient-side of the sensor to reduce transmission of heat therefrom to the skin of the patient.

Abstract: An electrosurgical instrument includes a housing and an elongated shaft extending from the housing. An end effector is disposed at a distal portion of the elongated shaft. The end effector is configured to deliver electrosurgical energy to tissue. The end effector includes a first jaw member having a first electrode plate and a second jaw member having a second electrode plate. A movable handle is operably coupled to the housing. The movable handle is configured to move at least one of the first or second jaw members between an open position and a closed position. A first plate is disposed on the first jaw member. A second plate is disposed on the first plate. The second plate includes an opening defined therein. A bead is disposed on the first plate and is configured to protrude through the opening defined in the second plate.

Abstract: Implementations described herein disclose a method of classifying oxygen level desaturation events. In one implementation, the method includes receiving input signal sequences, the input signals indicative of a physiological condition of a patient, generating an input sequence of oxygen saturation levels based on the input signal sequence, comparing the input sequence of oxygen saturation levels to a desaturation alarm threshold to determine a desaturation event, generating an input feature matrix based on at least one of the input signal sequences and the input sequence of oxygen saturation levels, and classifying based on the input feature matrix, using a neural network, the desaturation event being a severe desaturation event (SDE) or a non-severe desaturation event (non-SDE).

Abstract: A surgical stapling device for performing anastomoses procedures within a body of a patient includes a handle assembly, an elongate body, and a tool assembly. The handle assembly includes a manually actuated approximation mechanism and a motorized firing mechanism.

Abstract: A surgical stapler includes a loading unit having a staple cartridge having a cartridge distance and a plurality of staples and an anvil to form the plurality of staples upon firing. The surgical stapler also includes a shaft assembly coupled to the load unit. The shaft assembly includes a drive shaft longitudinally movable within the shaft assembly and configured to actuate the loading unit. The surgical stapler further includes a handle assembly having a power source and a motor coupled to the power source and configured to move the drive shaft longitudinally. The handle assembly also includes a distance setting interface including a plurality of switches each of which corresponds to a travel distance that the motor moves the drive shaft, the travel distance corresponding to the cartridge distance.

Abstract: A surgical fastener applying device for releasable connection to an end effector is provided. The surgical fastener applying device includes an elongated body portion having an outer tube and an inner shaft assembly. The inner shaft assembly defines a non-circular bore in a distal end thereof. The inner shaft assembly is longitudinally movable through the outer tube. The outer tube and the inner shaft assembly define corresponding openings extending radially therethrough. The surgical fastener applying device includes a detent movable within the openings of the elongated body portion. The detent floats between the end effector and the elongated body portion to enable selective connection between the end effector and the elongated body portion.

Abstract: A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a bandage that is constructed as a single piece such that plural layers of the bandage are configured together to allow for a leaflet opening of the bandage, for example using at least one removable liner or tab, to insert a pulse oximetry circuit therein.

Abstract: Systems and methods discussed herein relate to surgical systems including tissue resecting devices where the handset has a disposable portion detachably coupled to a reusable portion. The reusable portion may be a housing where a motor and electronics are stored that may be used to drive a shaft inserted into the disposable portion. The shaft may be coupled to a fluid pathway through the disposable portion that is fluidly isolated from the reusable section. After use, the disposable section is detached from the reusable section and disposed, and the reusable section may be cleaned and sterilized, or may be cleaned only.

Abstract: An ultrasonic transducer and generator (TAG) assembly of a surgical instrument includes generator components and transducer components. The generator components are disposed within a first cavity cooperatively defined by a body portion and a cover. The generator components are covered in a thermally insulative material. The transducer components are disposed within a second cavity cooperatively defined by a proximal housing and a spinner housing.

Abstract: Methods, systems, and devices for measuring respiratory parameters from an ECG device are described. The method may include receiving an electrocardiogram (ECG) signal associated with a patient. The method may further include detecting a change in modulation of the ECG signal between a first portion of the ECG signal and a second portion of the ECG signal. The method may further include determining a change in respiratory effort of the patient based at least in part on the change in modulation.

Abstract: In some examples, a catheter includes an elongated body and an expandable member at a distal portion of the elongated body and defining at least part of a distal tip of the catheter. The expandable member includes a flexible membrane and an expandable ring or partial ring located at a distal portion of the expandable member, wherein the expandable ring or partial ring is configured to expand radially outward in response to electrical energy applied to the expandable ring or partial ring.

Abstract: A stitching device includes a handle assembly and an elongate shaft assembly. The handle assembly includes a main rod and a drive conversion assembly including a cam wheel, a pivot block, first and second links, and a pawl. The pawl is operatively coupled to the main rod, and is configured to engage the pivot block to cause rotation of the pivot block which, in turn, causes reciprocating displacement of the first and second links. The elongate shaft assembly includes first and second blade drive members coupled to the cam wheel. The tool assembly includes first and second jaws and first and second blades. The first and second blades are operatively coupled with the respective first and second blade drive members, wherein axial displacement of the main rod transitions the first and second jaws between open and closed positions and causes reciprocating axial displacement of the first and second blades.