A surgical gas delivery system is disclosed for gas sealed insufflation and recirculation during an endoscopic or laparoscopic surgical procedure, which includes a gaseous sealing manifold for communicating with a gas sealed access port, a compressor for recirculating gas through the gaseous sealing manifold, and a source of UVC irradiation for sterilizing at least the gas recirculating through the gaseous sealing manifold.

A surgical gas delivery system is disclosed for gas sealed insufflation and recirculation, which includes a gaseous sealing manifold for communicating with a gas sealed access port, an insufflation manifold for communicating with the gas sealed access port and with a valve sealed access port, a compressor for recirculating gas through the gas sealed access port by way of the gaseous sealing manifold, a first outlet line valve associated with the insufflation manifold for controlling a flow of insufflation gas to the gas sealed access port, a second outlet line valve associated with the insufflation manifold for controlling a flow of insufflation gas to the valve sealed access port, and a proportional valve associated the insufflation manifold and located upstream from the first and second outlet line valves for dynamically controlling the flow of insufflation gas to the first and second outlet line valves.

A medication delivery system including a holding chamber having an input and an output end, a backpiece coupled to the input end of the holding chamber and having an electrical circuit and an opening. An MDI includes an insert portion moveable between an engaged position wherein the insert portion is received in the opening and a disengaged position wherein the insert portion is removed from the opening, and at least one contact that completes the electrical circuit when the insert portion is in the engaged position.

Provided herein are devices, systems, and methods for introducing a nebulized medication into breathing gas for respiratory therapy. An apparatus includes a reservoir to contain a volume of medication, a vibrating mesh disposed at a reservoir outlet of the reservoir to receive a flow of the medication from the reservoir and output a flow of nebulized medication, a mixing chamber having a gas inlet to receive a flow of breathing gas from a gas source, and a nebulizer inlet to receive the flow of nebulized medication from the vibrating mesh, where the vibrating mesh is disposed between the nebulizer inlet and the reservoir outlet. The apparatus can include a pressure tap tube or other implement in fluid communication with the mixing chamber and the reservoir to selectively equalize pressure between the mixing chamber and a headspace in the reservoir above the volume of medication.

A valve assembly, a ventilator, a process for operating a valve assembly and a computer program are provided. The valve assembly (10; 10a; 10b), for the ventilator (100), includes an inlet (12; 12a; 12b) configured for the inflow of a ventilation gas, an outlet (14; 14a; 14b) configured for the outflow of the ventilation gas and a volume flow control device (16; 16a; 16b) for the ventilation gas between the inlet and the outlet. The volume flow control device is configured to set the volume flow of the ventilation gas in a range between shut-off and a maximum volume flow and to provide an attenuation of a volume flow change during the opening, when the volume flow of the ventilation is increased, that differs from an attenuation occurring during the closing, when the volume flow of the ventilation gas is reduced.

Systems and methods are provided for a valve shut-off system of a medical device. In one embodiment, the valve shut-off system of the medical device includes a first pin movable between a first position where a valve is opened and a second position where the valve is closed, the first pin including a slot, and a second pin having a mating geometry with the slot of the first pin, the second pin adjustable between a locked position that holds the first pin in the first position and an unlocked position that enables movement of the first pin between the first position and the second position.

The present disclosure relates generally to the field of cryotherapy. In particular, the present disclosure relates to cryotherapy systems that ensure egress of cryogen gas delivered within a patient's body during cryotherapy procedures and, more particularly, sensors for use with cryotherapy systems that include delivery catheters wherein the systems ensure that egress of cryogen gas from the patient's body is possible whenever the catheter is operating.

In order to acquire patient respiratory information during oxygen concentrator operation, it is necessary to separate patient respiration components and variable pressure components associated with PSA from the measured data of the patient respiration pressure. Provided is a respiratory information acquisition device which acquires respiratory information of a patient and which is used fora PSA-type oxygen concentrator, including a pressure detection unit for detecting pressure in conduit and/or a flow rate detection unit for detecting a gas flow rate in the conduit, and a calculation unit for extracting oxygen respiratory information from detected pressure data and/or flow rate data, wherein the calculation unit estimates a fluctuation component which does not depend on respiration of the patient based on detected data and information related to an operation state of the oxygen concentrator obtained from the oxygen concentrator, and extracts respiratory information by removing the fluctuation component estimated from the detected pressure data and/or the flow rate data.

Methods and systems for delivery of pulsated air to a user using a device including a flow generator to generate a continuous air flow, a first actuator comprising a pulsated flow delivery mechanism configured to generate a pulsated air flow from the continuous air flow based on a pre-determined duty cycle to vary a frequency of the pulsated air flow, a user interface configured to generate and deliver vortices of pulsated air to the user at the frequency of the pulsated air flow, and a set of tubing to couple the flow generator, the first actuator, and the user interface.

Described herein is a ventilator that is able to use readily available, low cost on/off non-proportional solenoid valves to provide adequate ventilatory control to patients by achieving rapid Airway Pressure while precisely regulating the Airway Pressure.