A61M2205/0233

CONTINUOUS ANESTHESIA NERVE CONDUCTION APPARATUS, SYSTEM AND METHOD THEREOF
20210346640 · 2021-11-11 ·

The invention generally relates to a continuous anesthesia nerve conduction apparatus and method thereof, and more particularly to a method and system for use in administering a continuous flow or intermittent bolus of anesthetic agent to facilitate a continuous or prolonged nerve block. In one embodiment, the apparatus includes a sheath having a proximal end, a distal end and at least one lumen extending from the proximal end to the distal end. The sheath also includes an embedded conductive element for transmitting an electrical signal from a proximal portion of the sheath to a distal portion of the sheath. A cannula is arranged in the at least one lumen of the sheath and has a distal end protruding from a distal portion of the sheath. The cannula is electrically coupled to at least a portion of the embedded conductive element and is configured to provide nerve stimulation.

NEEDLE DEPTH SENSOR FOR INJECTOR

An injector includes an injector housing defining a skin contact surface and an injection needle supported within the housing and movable from a retracted position to an injection position. A circuit board is supported within the housing and movable with the injection needle, the circuit board including an electrically disconnected circuit having a contact surface. An electromechanical sensor is also supported within the housing and movable with the injection needle. The electromechanical sensor defines an electrically conductive portion that is disengaged from the contact surface of the circuit when the injection needle is in the retracted position and engaged with the contact surface of the circuit so as to electrically connect the circuit when the injection needle is in the injection position

DELIVERY OF LOW SURFACE TENSION COMPOSITIONS TO THE PULMONARY SYSTEM VIA ELECTRONIC BREATH ACTUATED DROPLET DELIVERY DEVICE
20220001122 · 2022-01-06 ·

A droplet delivery device and related methods for delivering a low surface tension composition as a stream of droplets to a subject for pulmonary use is disclosed. The droplet delivery device includes a housing, a reservoir, an ejector mechanism, and at least one differential pressure sensor. The droplet delivery device is automatically breath actuated by the user when the differential pressure sensor senses a predetermined pressure change within housing. The ejector mechanism includes a piezoelectric actuator and an aperture plate, the aperture plate having a plurality of openings formed through its thickness, and one or more surfaces configured to provide a desired surface contact angle, and the piezoelectric actuator operable to oscillate the aperture plate at a frequency to thereby generate the ejected stream of droplets.

SYSTEM AND METHOD FOR COOLING THE BRAIN OF A HUMAN SUBJECT
20230320895 · 2023-10-12 ·

A system for cooling the brain of a human subject, includes a cooling subsystem which inputs a flow of air or breathable gas, cool the air or breathable gas, and output cooled air or breathable gas which is delivered to a human subject. A flow control device controls a flow rate of the flow of the air or breathable gas input to the cooling subsystem and a flow rate of the cooled air or breathable gas delivered to the human subject. One or more flow rate sensors measure at least a flow rate of flow of cooled air or breathable gas. One or more temperature sensors measure at least a temperature of a brain and the temperature of the flow of cooled air or breathable gas. A controller adjusts a cooling rate, the temperature, and the flow rate of flow of cooled air or breathable gas delivered to the human subject to cool the brain of the human subject.

LINE DEVICE FOR A VENTRICULAR ASSIST DEVICE AND METHOD FOR PRODUCING A LINE DEVICE

The invention relates to a line device (105) for a ventricular assist system (100), wherein the line device (105) comprises a guide cannula (145), which is structured at least partially along a direction of extent; and, furthermore, the line device (105) comprises an electrical conducting element (145), which is arranged in the guide cannula (140), wherein the electrical conducting element (145) comprises a multilayer structure.

CAPACITIVE PRIMING SENSOR FOR A MEDICAL FLUID DELIVERY SYSTEM
20230321332 · 2023-10-12 ·

A capacitive priming sensor for a medical fluid delivery system is disclosed. In an example embodiment, a priming sensor includes a housing including a recessed section configured to accept a portion of a patient tube. The housing includes a first electrode located adjacent to a portion of the patient tube when the portion of the patient tube is inserted into the housing and a second electrode located above the first electrode. The priming sensor also includes a capacitive sensor that measures a capacitance between the first electrode and the second electrode. A processor operates with the capacitive sensor and is configured to use the measured capacitance to determine a transition between a dry tube state and a wet tube state. The processor then causes a pump to stop pumping dialysis fluid through the patient tube for the priming sequence after the wet tube state is determined.

INTEGRATED ARTIFICIAL PANCREAS WITH MULTIPLE INFUSION MODES
20230320835 · 2023-10-12 · ·

An integrated artificial pancreas with multiple infusion modes, includes: drug infusion unit; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the power unit, the program unit controls whether the drug infusion unit delivers drugs; and an infusion cannula provided with at least two detecting electrodes, the infusion cannula is the drug infusion channel, the electrodes are disposed on the cannula wall. It takes only one insertion to perform both analyte detection and drug infusion.

Elongated medical device integrity determination

In some examples, a device includes a body configured to receive an elongated medical device, and a conductive element configured to contact a touchscreen of a computing device. An amount of contact between the conductive element and the touchscreen varies based on the compressive force applied to the elongated medical device when the elongated medical device is received within the body.

EMERGENCY VENTILATOR WITH A FAN WHICH IS COOLED IN A CONDUCTIVE AND CONVECTIVE MANNER
20230330371 · 2023-10-19 ·

An emergency ventilator for artificially ventilating patients in the event of a medical emergency, having: —a housing with an ambient air suction opening and a ventilating gas outlet opening and —a fan which is designed and is arranged in the housing so as to convey ambient air from the ambient air suction opening to the ventilating gas outlet opening, wherein the fan includes a fan housing with an air conveyor which can be moved relative to the fan housing, and the fan housing is arranged in the housing in a fixed manner thereto; the fan housing is secured to the housing with the interposition of a heat conducting body, the heat conducting body including or being made of a material which is selected from light metal, nonferrous metal, and/or a plastic filled with a heat-conductive filler material.

SAFE OPERATION OF INTEGRATED NEGATIVE PRESSURE WOUND TREATMENT APPARATUSES

Disclosed herein are systems and methods for safe operation of a wound treatment apparatus with electronic components integrated on or within a wound dressing. In some embodiments, the electronic components include a power source, an isolation circuit, a controller, a capacitor, and a negative pressure source. The isolation circuit provides multiple activation states with at least one state preventing application of power to the other electronic components capable of storing electrical energy, thereby providing a safe operation of the apparatus. For example, sterilization of the apparatus can be performed safely.