A method of using a catheter includes removing a packaging enclosing the catheter and a fluid reservoir. The catheter removed from the packaging includes a catheter housing defining an interior lumen, an ultrasound transducer disposed within the interior lumen, and a first fluid medium within the interior lumen. The fluid reservoir removed from the packaging includes a second fluid medium. After removing the packaging, a fluid outlet is created at the interior lumen and the catheter is connected to an imaging engine and delivered to a region of interest. Ultrasound energy is emitted from the ultrasound transducer into the region of interest. At least a portion of the second fluid medium is delivered from the fluid reservoir to the interior lumen and at least a portion of the first fluid medium is thereby expelled from the interior lumen through the fluid outlet.

A medical device for detecting at least one analyte in a body fluid, a method for assembling the medical device and a method of using the medical device are disclosed. The medical device comprises: an analyte sensor having an insertable portion; an insertion cannula receiving the insertable portion of the analyte sensor; an electronics unit connected with the analyte sensor; and a housing comprising an electronics compartment receiving the electronics unit and-a sensor compartment receiving the analyte sensor, the sensor compartment forming a sealed compartment receiving the insertable portion of the analyte sensor, the sealed compartment comprising detachable upper and lower caps, the lower cap configured for detachment before insertion, the insertion cannula being attached to the upper cap, wherein detaching the upper cap after insertion removes the insertion cannula, wherein the electronics compartment at least partially surrounds the sensor compartment.

A medical device for detecting at least one analyte in a body fluid is disclosed. The medical device comprises: at least one analyte sensor having an insertable portion adapted for at least partially being inserted into a body tissue of a user, at least one insertion cannula, wherein the analyte sensor at least partially is placed inside the insertion cannula; at least one housing, wherein the housing comprises at least one sensor compartment, wherein the sensor compartment forms a sealed compartment receiving at least the insertable portion of the analyte sensor, wherein the sealed compartment comprises at least one detachable upper cap and at least one detachable lower cap, wherein the detachable lower cap is configured for detachment before insertion, thereby opening the insertable portion for insertion, wherein the insertion cannula is attached to the detachable upper cap, wherein the detachable upper cap is configured for detachment after insertion, thereby removing the insertion cannula; and at least one electronics unit, wherein the analyte sensor is operably connected to the electronics unit, wherein the electronics unit comprises at least one interconnect device with at least one electronic component attached thereto, wherein the interconnect device fully or partially surrounds the housing.

A medical device for detecting at least one analyte in a body fluid, a method for assembling the medical device and a method of using the medical device are disclosed. The medical device comprises: an analyte sensor having an insertable portion; an insertion cannula receiving the insertable portion of the analyte sensor; an electronics unit connected with the analyte sensor; and a housing comprising an electronics compartment receiving the electronics unit and—a sensor compartment receiving the analyte sensor, the sensor compartment forming a sealed compartment receiving the insertable portion of the analyte sensor, the sealed compartment comprising detachable upper and lower caps, the lower cap configured for detachment before insertion, the insertion cannula being attached to the upper cap, wherein detaching the upper cap after insertion removes the insertion cannula, wherein the electronics compartment at least partially surrounds the sensor compartment.

A medical device for detecting at least one analyte in a body fluid, a method for assembling the medical device and a method of using the medical device are disclosed. The medical device comprises: an analyte sensor having an insertable portion; an insertion cannula receiving the insertable portion of the analyte sensor; an electronics unit connected with the analyte sensor; and a housing comprising an electronics compartment receiving the electronics unit and a sensor compartment receiving the analyte sensor, the sensor compartment forming a sealed compartment receiving the insertable portion of the analyte sensor, the sealed compartment comprising detachable upper and lower caps, the lower cap configured for detachment before insertion, the insertion cannula being attached to the upper cap, wherein detaching the upper cap after insertion removes the insertion cannula, wherein the electronics compartment at least partially surrounds the sensor compartment.

An oximeter probe includes a probe unit or a base unit and a probe tip where the probe tip has a number of sources and detectors that can be accessed individually or in differing combinations for measuring tissue oxygen saturation at different tissue depth in tissue. A processor of the oximeter probe controls a multiplexer that is coupled to the detectors for selectively collecting measurement information from the detectors via the multiplexer. The oximeter probe is user programmable via one or more input devices on the oximeter probe for selecting the particular sources and detectors to collect measurement information from by the processor.

A medical device for detecting at least one analyte in a body fluid is disclosed. The medical device comprises: at least one analyte sensor having an insertable portion adapted for at least partially being inserted into a body tissue of a user, at least one insertion cannula, wherein the analyte sensor at least partially is placed inside the insertion cannula; at least one housing, wherein the housing comprises at least one sensor compartment, wherein the sensor compartment forms a sealed compartment receiving at least the insertable portion of the analyte sensor, wherein the sealed compartment comprises at least one detachable upper cap and at least one detachable lower cap, wherein the detachable lower cap is configured for detachment before insertion, thereby opening the insertable portion for insertion, wherein the insertion cannula is attached to the detachable upper cap, wherein the detachable upper cap is configured for detachment after insertion, thereby removing the insertion cannula; and at least one electronics unit, wherein the analyte sensor is operably connected to the electronics unit, wherein the electronics unit comprises at least one interconnect device with at least one electronic component attached thereto, wherein the interconnect device fully or partially surrounds the housing.

A system includes a sensor applicator, a sensor control device arranged within the sensor applicator and including an electronics housing and a sensor extending from a bottom of the electronics housing, and a cap coupled to one of the sensor applicator and the sensor control device, wherein the cap is removable prior to deploying the sensor control device from the sensor applicator.

A medical device for detecting at least one analyte in a body fluid is disclosed. The medical device comprises: at least one analyte sensor having an insertable portion adapted for at least partially being inserted into a body tissue of a user, at least one insertion cannula, wherein the analyte sensor at least partially is placed inside the insertion cannula; at least one housing, wherein the housing comprises at least one sensor compartment, wherein the sensor compartment forms a sealed compartment receiving at least the insertable portion of the analyte sensor, wherein the sealed compartment comprises at least one detachable upper cap and at least one detachable lower cap, wherein the detachable lower cap is configured for detachment before insertion, thereby opening the insertable portion for insertion, wherein the insertion cannula is attached to the detachable upper cap, wherein the detachable upper cap is configured for detachment after insertion, thereby removing the insertion cannula; and at least one electronics unit, wherein the analyte sensor is operably connected to the electronics unit, wherein the electronics unit comprises at least one interconnect device with at least one electronic component attached thereto, wherein the interconnect device fully or partially surrounds the housing.

A charging device for a physiological signal transmitter is disclosed, wherein the physiological signal transmitter is to receive and externally transmit a physiological signal from a subcutaneous tissue of a living body, and has a first electrical connecting port. The charging device comprises a transmitter placing seat, a charging module and a locking module. The transmitter placing seat includes a bearing surface, and a first opening. The bearing surface disposes thereon the physiological signal transmitter; and the first opening aligns therewith the first electrical connecting port of the physiological signal transmitter. The charging module includes a second electrical connecting port, a third electrical connecting port and a circuit assembly. The second electrical connecting port is disposed in the first opening and moveable between a first position and a second position. The third electrical connecting port is for connecting thereto a power source. The circuit assembly is for performing charging and charging control on the physiological signal transmitter, and the circuit assembly is electrically connected to the second electrical connecting port and the third electrical connecting port. The locking module is extendable or retractable on the bearing surface for releasably positioning the physiological signal transmitter, wherein the charging module is driven to move the second electrical connecting port from the first position to the second position to be electrically connected to the first electrical connecting port, and the locking module is driven to protrude out of the bearing surface to fix the transmitter.