Abstract: A flow rate control device having features for selectively controlling the flow rate of a fluid over a continuous range of flow rates is provided. In particular, a flow rate control device including an inflatable flow restrictor is provided, where the flow restrictor is selectively inflatable to occlude a flow path of a fluid to thereby control the flow rate of the fluid. A flow rate control mechanism comprising a flow restrictor also is provided, the flow restrictor having an inflatable balloon for occluding a flow path of a fluid to selectively control the flow rate of the fluid.

Abstract: An electrosurgical device is provided that includes a probe extending in a longitudinal direction and having a proximal region and a distal region. An inner diameter of the probe defines a lumen. The probe has an electrically insulated portion extending from the proximal region to the distal region and an electrically exposed conductive portion located at the distal region. The electrically exposed conductive portion delivers radiofrequency energy to an area of tissue adjacent the distal region. The device also includes a heat transfer system for removing thermal energy from the area of tissue that is in thermal contact with the area of tissue. The heat transfer system removes from about 0.1 Watts to about 50 Watts of energy from the tissue. In addition, the heat transfer system can sufficiently draw heat away from the tissue without the use of a peristaltic pump for circulating a liquid inside the lumen.

Abstract: A flow selector having features for controlling the flow rate of a fluid over a continuous range of flow rates is provided. In particular, a flow selector including a flow rate selection mechanism is provided, where the flow rate selection mechanism provides more precise control of the fluid flow rate. A flow selector comprising a needle valve for controlling the flow rate of a fluid over a continuous range of flow rates also is provided.

Abstract: The present disclosure is directed to a system and method modulating targeted neural and non-neural tissue of a nervous system for the treatment of head-and-face pain. Electrical stimulation is delivered transcutaneously to the treatment site that modulates the targeted neural- and non-neural tissue of the nervous structure, inhibiting nervous signaling and the perception of pain.

Abstract: A drug administration device including a push button, plunger, housing extending in an axial direction to define top and bottom ends, and bolus refill indicator is provided. The indicator is disposed on the plunger and visible through a window in the housing. The indicator can include a first section having a first color located towards the top end of the housing, a second section having a second color located towards the bottom end of the housing, and a third section disposed therebetween including a gradient between the first and second colors. Alternatively, the indicator can include a line extending in a direction perpendicular to the axial direction. The housing includes a first indicator reference point that is a first color and aligned with a bottom of the indicator window and a second indicator reference point that is a second color and aligned with a top of the indicator window.

Abstract: An ISO 80369-3 compatible coupling having at least one vent, recessed groove, non-cylindrical geometry and/or textured surface formed therewith. According to one example embodiment, a vent can be formed on a male coupling and/or a female coupling. The vent can be in the form of recessed channel. According to one example embodiment, the coupling comprises non-cylindrical geometry such that at least one vent is provided.

Abstract: A system and method for performing a radiofrequency (RF) ablation procedure with a cooled RF probe includes measuring one or more local perfusion characteristics at an ablation site within a patient. The method also includes determining a heat transfer due to local perfusion at the ablation site based on the one or more local perfusion characteristics. Further, the method includes determining an operating threshold for the cooled RF probe based, at least in part, on the heat transfer. Moreover, the method includes controlling the cooled RF probe based on the operating threshold to create a lesion at the ablation site within the patient.

Abstract: A cooled radiofrequency ablation system including a probe assembly having a proximal region, a distal tip region, and a shaft is provided. First and second internal cooling fluid tubes extend from the proximal region and are positioned inside a cavity defined by the shaft. The distal tip region includes a conductive portion for delivering energy to a target location within tissue. The system also includes a radiofrequency generator for delivering energy to the target location and a cooling fluid reservoir and a bidirectional pump assembly for circulating a cooling fluid from the reservoir through the first internal cooling fluid tube then the second internal cooling fluid tube when the pump operates in a first direction or through the second internal cooling fluid tube then the first internal cooling fluid tube when the pump operates in a second direction to form lesions of different sizes at the target location.

Abstract: Priming systems and infusion assemblies are provided. For example, a priming system comprises a priming conduit having a priming portion and a pressure portion. The priming portion is in fluid communication with a first fluid source, with an inlet and an outlet for ingress and egress of a first fluid from the first fluid source. The pressure portion is in fluid communication with a second fluid source connected by a connector. Disposed within the priming conduit are a biasing member and a valve having an open position and a closed position. The biasing member is in operable communication with the valve to urge the valve into the closed position such that the valve defaults to the closed position. The open position allows the first fluid to flow from the inlet to the outlet and the closed position prevents the first fluid from flowing from the inlet to the outlet.

Abstract: A hub component for a vented connector including a generally elongate cylindrical body having a first end and a second end. The first end of the hub component includes one or more fingers or clips for engagement with one or more vents of the vented connector. The second end of the hub component can be configured for compatible engagement with a carbon dioxide detector.

Abstract: A catheter placing instrument is provided. The catheter placing instrument includes an elongated body that extends in a longitudinal direction from a proximal end to a distal end. The elongated body has a top surface configured to receive a catheter extending from the proximal end to the distal end. The elongated body includes a catheter insertion section and a grip section. The catheter insertion section includes a catheter locking clamp located at the distal end of the elongated body, and the grip section includes a catheter guide. The catheter placing instrument can be used to place or implant any tubular medical device within a patient's body. A method of placing a tubular medical device at a deep location within a patient's body is also provided.

Abstract: A connector for medical fluid vessels includes a fluid-seal fitting such as a male plug defining a lumen and mating with a cooperating connector, a mechanical fastener such as a screw thread for mating with the cooperating connector, and an outer housing positioned around the plug to form an annular space. A cap can be provided with a fluid-seal fitting such as a male plug for mating with the lumen of the connector. In example embodiments, the male plug is tapered and can comprise one or more projections for sealingly engaging with the lumen of the connector. According to some example embodiments, the cap can be tethered to the connector.

Abstract: Mandrels and elastomeric pumps for infusion assemblies are provided. For example, a mandrel may comprise a body extending over a length from a first end to an opposing second end; an outer diameter; a bore extending within the body; an inlet port defined near the first end; and a fill port defined between the first and second ends. The inlet and fill ports are in fluid communication with the bore. The outer diameter of the mandrel at a midpoint of the length is different than the outer diameter at each of the first end and the second end. In some embodiments, the outer diameter of the mandrel gradually transitions from a first outer diameter at the first end to a second outer diameter at the second end. An elastomeric pump may include an exemplary mandrel and an inflatable elastomeric bladder disposed on the mandrel.

Abstract: A system for delivering energy to a patient's body is disclosed that includes a plurality of probes, a touch-sensitive display screen, and a controller communicatively coupled to each of the probes and the display screen. The controller is configured to perform operations including displaying a plurality of dynamically sized channel control regions within a user interface of the touch-sensitive display screen. Each of the plurality of channel control regions corresponds with at least one of the plurality of probes and is sized based at least in part on a number of the plurality of probes. The operations can include detecting a user touch action directed to a user-selected channel control region of the plurality of dynamically sized channel control regions. The operations can include performing a control action associated with the probe(s) that correspond with the user-selected channel control region when the user touch action is detected.

Abstract: The present disclosure is directed to a flexible cap for a medical fitting, such as a luer-lock fitting. The flexible cap includes a cap component defining a top surface, a cylindrical wall extending opposite from the top surface of the cap component, and an inner sealing surface. The cylindrical wall defines a hollow interior configured to receive an internal tapered sealing wall of a male connector of the medical fitting so as to form a seal with an outer surface of the tapered sealing wall. Further, the inner sealing surface of the flexible cap is configured within the hollow interior. Thus, when the tapered sealing wall of the male connector of the medical fitting is received within the hollow interior of the cylindrical wall, the inner sealing surface of the flexible cap seals the fluid passageway of the tapered sealing wall.

Abstract: The exemplified systems and methods facilitate a nerve conduction block at a target nerve using electrical stimulation applied from one or more electrodes located on a percutaneous lead that are placed in parallel, or substantially in parallel, and without direct contact, to a long axis of the peripheral nerve over an overlapping nerve region of greater than about 3 millimeters. The exemplified system and method can be further configured to block nerve condition without eliciting onset activity and co-excitation of non-targeted structures. The exemplified method and system can be performed using conventional percutaneous leads, though an improved percutaneous lead design is disclosed herein. In an aspect, an introducer is disclosed that facilitates accurate and consistent insertion of the percutaneous lead to the specified or intended position relative to the target nerve. In another aspect, a treatment kit comprising the various system components to treat pain is disclosed.

Abstract: A method, system and apparatus are disclosed for performing an electrosurgical treatment procedure on a bodily tissue. An electrosurgical apparatus is described, the apparatus comprising one or more probes having insulated and conductive regions for creating lesions in bodily tissue. A method of delivering energy to a patient's body is described, including methods of treating sacro-iliac related pain using electrosurgical probes.

Abstract: A bolus delivery device is provided that comprises a housing and a reservoir defined by an activation dome and a reservoir seat and disposed within the housing for receipt of a volume of a fluid. The bolus delivery device further comprises a bladder disposed in the housing that is in fluid communication with the reservoir for receipt of the fluid from the reservoir; an actuator; an inlet conduit in fluid communication with the reservoir for providing the fluid to the reservoir; and an outlet conduit in fluid communication with the bladder for providing the fluid to a patient. The actuator is in operative communication with the reservoir to initiate a flow of the fluid from the reservoir to the bladder. The bladder expands as the bladder receives the fluid and contracts as the bladder dispenses the fluid. An infusion assembly including a bolus delivery device also is provided.

Abstract: A medical device position guidance system includes a plurality of noninvasive external detector devices communicable with an invasive medical device. A magnetic field is used to gather information about the anatomical size and shape of a subject, such as a human. The medical device position guidance system further uses the magnetic field to obtain information about the positioning of the invasive medical device relative to the subject's anatomy. A method of using the medical device position guidance system is also provided.