An intravenous (IV) device, may include a needle; a catheter coaxially formed around the needle; a fluidic path fluidically coupled to a hollow formed through the needle and catheter; and a printed circuit board (PCB), including: a network interface device; a plurality of sensors operatively coupled to the fluidic path to measure a biological characteristic related to a plurality of patient vitals.

An ultrasonic medical monitoring device may include: at least one ultrasonic probe attached to a body surface of a subject to scan the body surface and acquire an echo signal; a blood pressure measuring module to measure a blood pressure parameter of the subject; a processing module to receive the echo signal and process the echo signal into a blood flow parameter, the processing module being further configured to calculate a myocardial mechanic parameter according to the blood flow parameter and the blood pressure parameter; and a display module coupled to the processing module to display the blood pressure parameter, the blood flow parameter, and the myocardial mechanic parameter. The present device and method acquire the blood pressure parameter and the blood flow parameter using ultrasound and a blood pressure synchronous detection technique, and the myocardial mechanics parameters such as the systolic maximum elastance are calculated by a computer.

In some embodiments, a self-monitoring intravenous catheter system is provided. An alarm controller is provided that receives signals representing a pH value, an oxygen saturation value, and a pressure value in proximity to the distal end of the catheter. By performing a fuzzy logic analysis of the values, the alarm controller is able to detect that the catheter is about to fail or has failed, and can cause alerts to be presented. In some embodiments, an intravenous catheter is provided that has a pH sensor and an oximeter disposed at a distal end of the catheter to obtain the pH value and oxygen saturation values analyzed by the alarm controller. Embodiments of the catheter and self-monitoring intravenous catheter system may be particularly useful in treating neonates, who are sensitive to catheter failure and are not capable of detecting the signs of failure themselves.

One aspect of the present disclosure is a system for hemodynamic resuscitation. The system includes an intravenous access device having a pressure sensor element configured to detect a peripheral venous pressure value in response to an occlusion of a peripheral vein. The system also includes a controller device that is configured to receive a signal from the pressure sensor comprising the peripheral venous pressure value, to process the signal to determine a hemodynamic parameter based on the peripheral venous pressure value, and to generate a resuscitation score based on the hemodynamic parameter.

Systems and methods for selective auto-retroperfusion along with regional mild hypothermia. In at least one embodiment of a system for providing a retroperfusion therapy to a venous vessel of the present disclosure, the system comprises a catheter for controlling blood perfusion pressure, the catheter comprising a body having a proximal open end, a distal end, a lumen extending between the proximal open end and the distal end, and a plurality of orifices disposed thereon, each of the orifices in fluid communication with the lumen, and at least one expandable balloon, each of the at least one expandable balloons coupled with the body, having an interior that is in fluid communication with the lumen, and adapted to move between an expanded configuration and a deflated configuration, and a flow unit for regulating the flow and pressure of a bodily fluid, and a regional hypothermia system operably coupled to the catheter, the regional hypothermia system operable to reduce and/or regulate a temperature of the bodily fluid flowing therethrough.

A catheter assembly or other elongate tubular device for use in establishing vascular or other access within the body of a patient is disclosed. The catheter assembly is equipped with one or more sensors that enable monitoring of one or more physiological aspects of the patient or physical aspect of the catheter assembly itself when the catheter assembly is disposed within the patient. Such aspects include central venous pressure, body temperature, ECG heart signals, oxygen levels, ultrasound data, glucose, etc. The catheter assembly includes the ability to wirelessly transmit or otherwise forward data relating to the detected physiological parameters to another location, such as a patient electronic medical record, smartphone or other mobile device, nurse station, etc. Catheter assemblies configured to detect the frequency of catheter flushing, flushing quality, etc., are also disclosed.

Aspects of the invention relates to systems and methods for monitoring an intravenous (IV) line functionality of an IV device. The system includes an IV catheter to be inserted into the vein of the living subject, at least one pressure sensor in fluid communication with the IV catheter to acquire peripheral venous signals; and a processing device. The processing device receives the peripheral venous signals from the pressure sensor, performs a spectral analysis on the peripheral venous signals to obtain a peripheral venous pressure frequency spectrum, and determines an IV line functionality of the IV catheter in real time, wherein the IV line functionality of the IV catheter indicates IV infiltration when amplitude decreases greater than a first threshold are detected from the peaks of the peripheral venous pressure frequency spectrum.

A distal shaft for measuring pressure distally of a stenosis includes a housing, a pressure sensor, a cover, a tip, and an aperture. The pressure sensor is mounted in the housing. The cover is coupled to the housing and covers the pressure sensor. The tip is coupled to a distal end of the housing. The aperture is disposed through the tip and/or cover. The aperture is configured to allow blood flow to the pressure sensor. The cover further includes a coupling mechanism or coupling that couples the cover to the housing. The coupling mechanism may be a snap-fit mechanism, a friction-fit mechanism, and/or an adhesive.

Disclosed is an implant and method of making an implant. The implant having a housing that defines a cavity. The housing includes a sensor comprising a base attached to a diaphragm wherein said base may be positioned within said cavity. The sensor may be a capacitive pressure sensor. The diaphragm may be connected to the housing to hermetically seal said housing. The sensor may include electrical contacts positioned on the diaphragm. The base may define a capacitive gap and a vent wherein the electrodes may be positioned within said capacitive gap such that at least a portion of the electrical contacts extend through the vent. The implant may include a coil in electric communication with the sensor, said coil may be positioned within said housing. A printed circuit board having at least one component may be attached to the floating base.

A system for measuring a pressure in a vein includes a needle sized and shaped to be inserted through a working channel of an endoscope. The needle is extending longitudinally and including a channel extending longitudinally therethrough. The system also includes a pressure sensing device including a longitudinally extending body sized and shaped to be slidably inserted through the channel of the needle and a sensor mounted on a distal portion of the body and connected to a proximal portion of the pressure sensing device via a connection cable. The sensor is configured to detect information corresponding to a pressure of a flow of blood through a vein.