Abstract: The systems, devices, and methods described herein relate to providing breathing gas to a patient using a base unit and an auxiliary unit configured to be removably disposed on or at least partially in the base unit. The base unit has several couplings for improved control and sensing of the auxiliary unit and its components, wherein the couplings are configured to be non-contact with the corresponding components of the auxiliary unit and/or otherwise configured to minimize operational defects or improve efficiency. Non-contact couplings include induction heating, capacitive level sensing, a magnetically coupled rotor pump, RFID tag and reader, and Hall effect sensing. The breathing gas can be provided at high velocities by setting breathing gas flowrates based on dimensions of a nasal cannula used to direct the breathing gas into a patient's nares.

Abstract: A therapy method (for a patient having post-traumatic stress disorder (PTSD)) includes: providing an exposure event, to the patient, which is related to a traumatic event that contributed to the PTSD; and, during a therapy session which includes the exposure event, applying vagus nerve stimulation (VNS). A therapy method (for a patient having a given disorder, e.g., a phobia disorder or an obsessive-compulsive disorder (OCD) or an addiction disorder) includes: providing a therapy event (e.g., an extinction event for a phobia disorder), to the patient, which is related to one or more things that contributed to the given disorder; and during a therapy session which includes the therapy event, applying VNS.

Abstract: A method of providing repetitive motion therapy comprising providing access to audio content; selecting audio content for delivery to a patient; performing an analysis on the selected audio content, the analysis identifying audio features of the selected audio content, and extracting rhythmic and structural features of the selected audio content; performing an entrainment suitability analysis on the selected audio content; generating entrainment assistance cue(s) to the selected audio content, the assistance cue(s) including a sound added to the audio content; applying the assistance cues to the audio content simultaneously with playing the selected audio content; evaluating a therapeutic effect on the patient, wherein the selected audio content continues to play when a therapeutic threshold is detected, and a second audio content is selected for delivery to the patient when a therapeutic threshold is not detected.

Abstract: A filament wrapping and reflow system and a method therefrom. The method including wrapping a filament around an elongate substrate along a longitudinal direction between a proximal end of the elongate substrate and a distal end of the elongate substrate. The method also including melting the filament to form at least a portion of the elongate medical device. The system including a substrate system, a filament system, a heater, one or more actuators, and a controller.

Abstract: A method for coating the lumen of a tube comprises the steps of inserting the distal opening of a tube into a first coating solution, drawing the first coating solution into the lumen of the tube, draining the first coating solution from the lumen leaving a film of the first coating solution on the lumen of the tube, and curing the first coating solution. This leaves a first coating on the lumen of the tube. A coating apparatus comprises a pallet, and one or more dip funnels. The pallet comprises a manifold and is configured to fluidically connect the manifold to one or more tubes. The one or more dip funnels are configured to hold a coating solution and are located below the pallet so that when the pallet is moved vertically, the one or more tubes are inserted into the dip funnels.

Abstract: A percutaneous urinary catheter configured to be deployed in a urinary tract, including: (a) a proximal portion; and (b) a distal portion including a retention portion configured to be deployed in a kidney and/or a renal pelvis, the retention portion including one or more drainage holes leading to one or more lumen(s) within the proximal portion, wherein the retention portion, when deployed, defines a three-dimensional shape sized and positioned to maintain patency of fluid flow between the kidney and/or renal pelvis and a proximal end of the catheter by inhibiting mucosal tissue from appreciably occluding the one or more drainage holes when negative pressure is applied through the catheter.

Abstract: The present invention relates to a catheter 10. The catheter 10 includes a catheter tube 12 having a tip end 13 and a distal end 14, with the distal end 14 being coupled to or forming at least part of a funnel 16 for discharging fluid from within the catheter tube 12. A sleeve 18 is provided about the catheter tube 12 which is coupled at an end thereof to the funnel 16 and extends towards the tip end 13 of the catheter tube 12. The catheter 10 additionally includes a wetting mechanism 20 which is integrally formed with the funnel 16 and includes a holding chamber 22 and a fluid outlet 26 operable to allow fluid 24 from within the holding chamber 22 to be released within the sleeve 18 for wetting an outer surface of the catheter tube 12.

Abstract: Disclosed herein is a system, apparatus and method directed to placing a medical instrument in a vasculature of a patient body, including an optical fiber with one or more core fibers. The system can include a console having non-transitory computer-readable medium storing logic that, when executed, causes operations of providing an incident light signal to the optical fiber, receiving a reflected light signal of the incident light, wherein the reflected light signal is reflected from at least one of red blood cells or tissue within the patient body, processing the reflected light signal to determine an oxygen level within the patient body near a distal tip of the optical fiber. The method may further include determining a location of the distal tip of the optical fiber within the patient body at least based on the oxygen level.

Abstract: An introducer has a shaft with a central lumen, a control handle with a deflection assembly, and a tensile member with a distal portion extending along opposing sides of within the shaft and a proximal portion extending within the control handle. The deflection assembly has a deflection arm, and a rotatable member rotationally coupled to the deflection arm, wherein the rocker member has at least one pulley engaged with the proximal tensile member portion. Rotation of the deflection arm in one direction draws the proximal tensile member portion for deflecting the shaft.

Abstract: Systems and methods for operating steerable sheath (SS). The methods comprise: causing an inner shaft (IS) to move in a first direction (FD) relative to an outer shaft (OS) having a first lumen (FL) in which IS is disposed; applying tension to a first pull wire (FPW) as IS moves in FD (FPW being partially disposed in a wall of IS and in FL of OS, FPW's first end being connected to IS and FPW's second end being connected to OS); allowing a deflectable region of IS's wall to transition from a straight state to a deflected state as tension is applied to FPW; causing IS to move in a second direction relative to OS; removing the tension being applied to FPW as IS moves in the second direction; and allowing the deflectable region of IS's wall to return to the straight state as tension is being removed from FPW.

Abstract: A tubular structure having variable support includes a tubular member and a structural support member with a flexible tubular member over the structural support member, such that the flexible tubular member can engage and disengage or squeeze and release the structural support member. The structural support member can be a tubular mesh, stent, framework, skeleton, braid or other flexible framework. A fluid passage can be used to inflate and deflate the flexible tubular member. Methods of assembly and methods of use are also described.

Abstract: A sutureless chest tube adhesion assembly configured to quickly and easily anchor a chest tube is described. The assembly generally comprises a notched flexible substrate adapted to adhere to human skin 415. A chest tube incision in a notched region of the substrate provides an entry point for the chest tube which is anchored to the substrate by way of an intermediate flexible membrane that covers and adheres to the chest tube and substrate. The intermediate flexible membrane has a matching notched region adapted to accommodate the chest tube. The chest tube and incision are adapted to be covered by a transparent cover sheet which covers and adheres to a portion of the substrate, the intermediate flexible membrane and to a portion of the human skin 415.

Abstract: The present invention relates a puncture needle includes: a sheath having a longitudinal axis; a needle tube that is arranged inside the sheath to be moved along the longitudinal axis and that has a needle tip; and a protective tube that is arranged inside the needle tube to be moved along the longitudinal axis and that has a lumen into which a guide wire is inserted. The needle tube has a step portion formed at a position midway along the needle tube. The protective tube has a protrusion, which protrudes radially outward, on an outer peripheral surface thereof at a position midway nearer a proximal end side of the protective tube than the step portion is. A distal end of the protective tube is positioned at a position to protrude from the distal end of the needle tube when the protrusion abuts the step portion.

Abstract: A catheter sheath device may include an elongate member and a moveable member. The elongate member may include a first lumen, and the moveable member may include a second lumen. The moveable member may be physically coupled to a portion of the elongate member to permit relative movement therebetween. A first relative movement between the moveable member and a portion of the elongate member may cause the second lumen to be positioned at a first location that permits delivery of at least a portion of a catheter into the second lumen but not into the first lumen from the second lumen. A second relative movement between the moveable member and the portion of the elongate member may cause the second lumen to be positioned at a second location that permits delivery of the at least the portion of the catheter through both the second lumen and the first lumen.

Abstract: Guidewire-management devices and systems thereof are disclosed herein. A guidewire-management device can include a guidewire, a first sleeve, and a second sleeve. The first sleeve can be configured for distally feeding the guidewire out of the guidewire-management device. The first sleeve can also be configured for proximally feeding the guidewire into the guidewire-management device. The second sleeve can be proximal of the first sleeve in the guidewire-management device. The second sleeve can be configured for feeding the guidewire in concert with the first sleeve. At least a length of the guidewire extending between the first sleeve and the second sleeve can be disposed within a sterile barrier configured to maintain sterility of the guidewire.

Abstract: Described here are devices, systems, and methods for treating conditions or diseases of the nose, ear, or throat with an expandable device having a drug coating. The expandable devices may be delivered to a body cavity in a low-profile configuration and expanded to contact surrounding tissue. The expandable devices may deliver or release the drug coating to the tissue. Multiple expansions of a single device may be employed during treatment. Various coating excipients and manufacturing parameters for the expandable devices may also be adjusted to enhance or slow transfer of the drug coating and/or release of the drug to the target tissue site. The drug transferred to the tissue may act as an in situ depot that enables maintenance of a therapeutic level of locally delivered drug for a desired time period after removal of the expandable devices.

Abstract: An aortic occlusion and perfusion device includes an expandable member configured to expand within the aorta. A catheter extends proximally from the expandable member in fluid communication with the expandable member. The catheter defines openings through which blood can pass with one or more of the openings located proximal to the expandable member and one or more of the openings located within the expandable member. The catheter defines a lumen in fluid communication with the one or more openings located within the expandable member, the lumen terminating at a terminus such that the lumen is not in fluid communication with a distal end portion of the catheter. A flow control sheath is disposed around the catheter proximal to the expandable member such that axial movement of the flow control sheath relative to the catheter selectively occludes or uncovers the one or more openings located proximal to the expandable member.

Abstract: Apparatus and a method for the provision of TNP therapy to a wound are described, the apparatus comprising: a sealing membrane (504) for covering a wound to form a wound cavity (500); one end of an aspirant conduit (522) operably associated with the wound cavity, vacuum means (524) provided at a distal end of the aspirant conduit for applying a vacuum to the wound cavity; and, air bleed means (510) in fluid communication with the wound cavity. Various embodiments of air bleed port members are also described.

Abstract: A method of treating a sinus cavity of a subject includes advancing a distal portion of a light source through a drainage pathway of a sinus cavity and into the sinus cavity and visually observing a transdermal light emitted from the light source. A distal portion of a substantially rigid inner guide member of a balloon dilation catheter is advanced into the drainage pathway, the balloon dilation catheter including a movable shaft including a balloon that is slidably mounted on the substantially rigid inner guide member. The movable shaft and balloon are advanced distally over the substantially rigid inner guide member to place a portion of the balloon in the drainage pathway whereby the balloon is inflated.

Abstract: A reservoir and method for manufacturing a reservoir that includes a first side piece, a second side piece, an inner fold piece and a reservoir fitting. The first side piece may be sealed to the second side piece with a top seal and a first side seal and a second side seal. The inner fold piece may be sealed to the first side piece and the second side piece through a third side seal, a fourth side seal, and a bottom seal. The top seal may include a fitting opening and the reservoir fitting may be fit into the fitting opening. The reservoir may contain a volume sensing system. The reservoir may be designed so as to empty and fill reliably without any concern for neighboring organ impingement or compression.

Abstract: Disclosed are composite microneedles arrays including microneedles and a film overlaying the microneedles. The film includes a plurality of nano-sized structures fabricated thereon. Devices may be utilized for interacting with a component of the dermal connective tissue. A random or non-random pattern of structures may be fabricated such as a complex pattern including structures of differing sizes and/or shapes. Devices may be beneficially utilized for delivery of an agent to a cell or tissue. Devices may be utilized to directly or indirectly alter cell behavior through the interaction of a fabricated nanotopography with the plasma membrane of a cell and/or with an extracellular matrix component.

Abstract: A connector assembly may include an inner housing and an outer housing surrounding the inner housing. The inner housing may include a fluid flow path extending between a proximal port and a distal port. An exterior surface of the inner housing may include a first electrically conductive exterior surface and a second electrically conductive exterior surface. An interior surface of the outer housing may include a first electrically conductive interior surface and a second electrically conductive interior surface. The outer housing may be configured to move radially and rotationally relative to the inner housing. A processer may determine, based on whether the electrically conductive exterior surfaces contact the exterior electrically conductive interior surfaces, radial data associated with a radial position of the outer housing relative to the inner housing and rotational data associated with a rotational position of the outer housing relative to the inner housing.

Abstract: Some embodiments are directed to a connector for connection with a fluid transfer device, including an outer body having a longitudinal axis; and a luer lock connection port positioned within the outer body and configured to be coupled with an external port of said fluid transfer device. The luer lock connection port can be rotatable about the longitudinal axis at least in one of a clockwise direction and a counter-clockwise direction at least prior to initiation of coupling thereof with the external port. The outer body can be structured, and the luer lock connection port is positioned therewithin, such that to prevent an operator to access, through the outer body, directly by fingertips an exterior of the luer lock connection port after the luer lock connection port has been coupled with the external port.

Abstract: The present disclosure relates to a connector for an infusion set. The connector comprises a body and at least one arm connected to the body which is configured to couple with a base of an infusion set; wherein the body has a first portion and a second portion which are configured to be removably and replaceably coupled together; and wherein each portion has a fluid delivery conduit, the conduits being configured to allow fluidic communication of the connector with at least two independent fluid sources. Also disclosed is an infusion set.

Abstract: An end cap according to a disclosed embodiment is connected to a downstream side of a flow path of a medical liquid injection apparatus and is configured such that a priming liquid is introduced into the end cap. The end cap includes: a refraction part formed of a transparent material having a refractive index (nr) greater than 1 and including a first surface and a second surface forming an internal angle smaller than 90 degrees; and an indication part disposed to be spaced apart from the second surface. The end cap forms a passage in which the introduced priming liquid is movable, and a part of the passage is located between the second surface and the indication part.

Abstract: A medical female connector (10) for controlling a fluid flow is disclosed, as well as a method for its manufacturing, and medical devices including such a female connector. A tubular plunger (40) and a flexible valve member (60) are inserted into a housing (20). A distal end (42) of the plunger (40) is located at a distance proximally from the distal end (22) of the housing (20). In a flow stop configuration, the flexible valve member (60) seals a flow path (44) through the tubular plunger (40). In a flow configuration, the valve member (60) is compressed by a male connector (90) and deformed by the plunger (40) to allow a fluid flow through the plunger (40). A frusto-conical female sealing surface (24) is arranged to form a seal with the male connector (90). An entrance opening (25) of the housing (20) presents a diameter equal to or larger than the maximum diameter (d1) of the female sealing surface (24).

Abstract: Double-lumen infusion catheter including: a shaft having proximal section, distal section, and intermediate section therebetween; first and second lumens extending along a length of the shaft and having arc shaped wall therebetween; and an inflatable member provided distally to intermediate section, and over the distal section. First lumen has cross section larger than cross section of second lumen and is configured to receive a guidewire therethrough and allow fluid flow via an unobstructed portion of first lumen. Unobstructed portion is formed along guidewire outer surface, between guidewire outer surface and inner wall of first lumen, and extends from an inlet at proximal end of intermediate section to an outlet at distal end of intermediate section. First lumen is narrowed to approximate a first diameter in shaft proximal and distal sections, and is widened to approximate a second diameter greater than first diameter in the shaft intermediate section.

Abstract: Apparatus, system and method for heating fluid from a plurality of fluid sources. A heating chamber top portion includes a plurality of fluid inlet tubes configured to pass fluid from the plurality of fluid sources. A heating chamber may be coupled to the heating chamber top portion, the heating chamber collectively receives at least some of the fluid from the plurality of fluid sources. At least one heating element configured within the heating chamber heats the received fluid from the plurality of fluid sources. An agitator mixes the received fluid from the plurality of fluid sources in the heating chamber, wherein the agitator is configured to mix the received fluid from the plurality of fluid sources by rotationally turning within the heating chamber.

Abstract: A patch-sized fluid delivery device may include a reusable portion and a disposable portion. The disposable portion may include components that come into contact with the fluid, while the reusable portion may include only components that do not come into contact with the fluid. Redundant systems, such as redundant controllers, power sources, motor actuators, and alarms, may be provided. Alternatively or additionally, certain components can be multi-functional, such a microphones and loudspeakers that may be used for both acoustic volume sensing and for other functions and a coil that may be used as both an inductive coupler for a battery recharger and an antenna for a wireless transceiver. Various types of network interfaces may be provided in order to allow for remote control and monitoring of the device.

Abstract: Some embodiments of an infusion pump system may be configured to wirelessly communicate with other devices using near field communication (NFC). In particular embodiments, by incorporating near field communication capabilities into the infusion pump system, user communications with the infusion pump system can be enhanced and simplified.

Abstract: A module for a drug delivery device includes a first housing portion with a bearing element for supporting a neck or head portion of a first end of a reservoir and a second housing portion with an elastic contact element for supporting a second end of the reservoir opposite the first end. The first and second housing portions are configured to couple to each other in an assembled state in which the first and second housing portions form a cavity for accommodating the reservoir. The bearing element and the elastic contact element may each define a limiter or limiting structure of the cavity in a longitudinal direction of the cavity to secure or hold the reservoir free of play within the cavity. The elastic contact element may be is injection molded onto a surface of a body of the second housing portion.

Abstract: A fill port for filling a liquid medicament into a reservoir located inside a drug delivery device includes insert fixed in a passage of a wall of the drug delivery device, and a pierceable fill port sealing is sandwiched between the insert and both the housing of the drug delivery device and the reservoir to provide a fluid-tight sealing between the reservoir and the housing.

Abstract: A drug delivery device includes a housing, a cartridge received within the housing, with the cartridge configured to receive a medicament, a drive assembly received within the housing and configured to engage the cartridge and dispense medicament from the cartridge, and a needle actuator assembly received within the housing, with the needle actuator assembly including a patient needle configured to pierce a patient's skin. A bottom surface of the housing defines a port interface configured to receive an implanted injection port.

Abstract: A filter for infusion medical lines including a flattened box-like body provided inside which is a plate-shaped element formed on whose one or both of the opposite faces are respective ribs defining inner channels. Arranged on the ribs are respective filtering hydrophilic membranes which separate the channels from respective interspaces delimited by a pair of half-shells. The interspaces are placed in communication with the inlet connector, the channels are placed in communication with the outlet fitting and the interspaces are placed in communication with the outside through vent openings arranged on the end walls of the box-like body.

Abstract: A method and medical pump to perform a flushing procedure are provided. The medical pump is configured to execute the flushing procedure subsequent to an infusion procedure, the flushing procedure and infusion procedure lacking a specified relationship between each other until after performance of the infusion procedure. The method comprises performing an infusion procedure of a medicament with the medical pump and automatically querying in human detectable form whether to execute a flushing procedure in response to conclusion of the infusion procedure.

Abstract: A fluid control device 1 includes a casing 10 configured to house a cylindrical infusion tube 100 and a droplet detecting section 60 configured to detect the amount of droplets dripping from a nozzle 124 in the infusion tube 100 housed in the casing 10. The infusion tube 100 includes a flange protruding outward. The casing 10 includes an engagement member 30. The engagement member 30 includes a flange configured to engage with the flange in the infusion tube 100 in a direction along the longitudinal direction of the infusion tube 100 and fix the infusion tube and a fixation surface configured to fix the infusion tube 100 in a direction orthogonal to the longitudinal direction of the infusion tube 100.

Abstract: Infusion pump control unit keypad assemblies are provided, and include a cover assembly having an outer surface and an inner surface and a perimeter gasket disposed within a raised perimeter on the outer surface of the cover assembly. A lens and a circuit assembly are coupled to the outer surface of the cover assembly. A switch assembly is coupled to the circuit assembly, a shield assembly is coupled to the switch assembly, a light assembly is coupled to the shield assembly and an overlay assembly is coupled to the light assembly. Methods of making infusion pump control unit keypad assemblies are also provided.

Abstract: Disclosed herein are techniques related to management of insufficient hypoglycemia response. In some embodiments, the techniques may involve obtaining an amount of insulin remaining in a body of a patient. The techniques may involve also obtaining a quantity of insulin needed by the patient within a future time period. Additionally, the techniques may involve identifying a condition in which the patient's glucose level will continue to decrease during the future time period despite suspension of basal insulin dosage delivery. The condition may be identified based on determining that the amount of insulin remaining in the body is greater than the quantity of insulin needed by the patient within the future time period. Furthermore, the techniques may involve, responsive to identifying the condition, causing performance of an action for preventing the patient's glucose level from falling into a hypoglycemic range in combination with the suspension of basal insulin dosage delivery.

Abstract: Disclosed is an acoustic method for precisely controlling and metering manual injection. The method includes: rotating a main housing to allow ratchet grooves to collide with ratchets on a ratchet wheel; obtaining collision voice and vibration signals by a switch sensor and a perception sensor; performing a Mel-frequency cepstral coefficient (MFCC) algorithm and classification with deep neural networks (DNN) on signals detected by a voice sensor, to output processed and recognized voice features; performing an empirical mode decomposition (EMD) algorithm and classification with cyclic delay diversity (CDD) on signals detected by a vibration sensor, to output processed and recognized vibration signals; and inputting the output voice features, the vibration signals, and reception time differences between the voice signals and the vibration signals into a support vector machine (SVM) classifier jointly for final recognition and classification, to recognize whether manual injection is correctly performed.

Abstract: Methods, devices and systems are disclosed for inter-app communications between software applications on a mobile communications device. In one aspect, a computer-readable medium on a mobile computing device comprising an inter-application communication data structure to facilitate transitioning and distributing data between software applications in a shared app group for an operating system of the mobile computing device includes a scheme field of the data structure providing a scheme id associated with a target software app to transition to from a source software app, wherein the scheme id is listed on a scheme list stored with the source software app; and a payload field of the data structure providing data and/or an identification where to access data in a shared file system accessible to the software applications in the shared app group, wherein the payload field is encrypted.

Abstract: A device for administering needle-free subcutaneous treatment to a patient comprises an actuator configured to deliver a plurality of volumes of a treatment at a plurality of locations on a body of the patient; at least one imaging device configured to detect a movement of the needle-free device from a first location on the body of the patient to a second location on the body of the patient; and a processor configured to determine the second location on the body of the device relative to the first location from the movement of the needle-free device relative to the first location on the body, the processor further configured to determine a volume of the plurality of volumes of the treatment to deliver to the body of the patient at the second location.

Abstract: A method for preparing a pre-filled multi-chamber injection system includes providing an injection system body, the injection system body defining an open proximal end, a body interior, and an open distal end. The method also includes introducing a first substance into a distal end of the body interior. The method further includes disposing a distal stopper member in the body interior, the distal stopper member and the injection system body defining proximal and distal chambers in the body interior. Moreover, the method includes introducing a second substance into the body interior. In addition, the method includes disposing a proximal stopper member in the body interior. The method also includes inserting an elongate member at least partially into the body interior, the elongate member having a plurality of flow channels for fluidly coupling the proximal and distal chambers. The method further includes coupling a plunger member to the proximal stopper member.

Abstract: A device for administering a fluid is provided, with a cylinder, a piston, a piston rod, a receiving block (10), a nonreturn valve, a tensioning device, a ramp, a motor (12) a ramp track, a roller and a driver (50).

Abstract: A syringe for medical use having a barrel with a longitudinally extending tubular fluid chamber and at least one longitudinally extending, outwardly facing, substantially flat indicia display surface disposed proximally to the fluid chamber, a plunger slidably inserted into the fluid chamber, a needle projecting forwardly from the barrel in fluid communication with the fluid chamber; and a fixed length needle safety device having an activation handle slidably engaging the barrel and a forwardly projecting needle tip shield encircling the needle that moves forwardly to cover a tip end of the needle when the activation handle is moved forwardly following use of the syringe.

Abstract: A data collection device including an attachment assembly for attaching the data collection device to a dose setting dial of a medicament administration device, a light source configured to illuminate a portion of a surface of an internal component of the medicament administration device including a pattern of relatively reflective and non-reflecting regions formed on the surface of the internal component, and an optical sensor configured to receive light reflected by at least the relatively reflective regions.

Abstract: The present invention relates to a drive mechanism of a drug delivery device for setting and dispensing of a dose of a medicament, the drive mechanism comprising: a housing, a piston rod to operably engage with a piston of a cartridge to displace the piston in a distal direction, a rotatable member arranged on an axially extending axis of rotation in the housing, said rotatable member being rotatable in a dose incrementing direction against an action of a spring element and being operably engageable with the piston rod during the dispensing of the dose, and a clutch element comprising at least one radially displaceable clutch element to engage with a rim of the rotatable member with a variably adjustable strength.

Abstract: A safety insulin pen needle includes a needle body, intermediate shield, front shield, tail cover, rear spring, and rotating tube. The rotating tube includes a beveled rail, and the front shield includes a bevel acting part that interacts with the beveled rail. The tail cover includes an elastic leg, which includes a rear protection stopper. The rotating tube includes a first and second rail slot spaced apart along a circumferential direction, which interact with the rear protection stopper. Backward movement of the front shield when the needle is pushed rotates the rotating tube and uses the interaction of the first and second rail slot on the rotating tube and the rear protection stopper on the tail cover to change the relationship between the tail cover and the rotating tube, which provides reliable locking protection of the tail cover after use.

Abstract: A needlestick prevention device (100) for an injection needle carried by a needle-bearing member (101) of a syringe (102) is formed as a one-piece moulding and comprises a first part (103) adapted to be attached to the needle-bearing member (101) and a second part (104) providing a shield for the needle and pivotally movable relative to the first part to expose the needle for use. The device is adapted to adopt a first position in which the needle is protected for transport of the device prior to use, a second position in which the needle is exposed for filling of the syringe and injection, a third position in which the needle is protected after filling of the syringe but before injection and a fourth position in which the needle is locked in the device following injection.

Abstract: A skin treatment device using both a radiofrequency and medication and including tightening members, includes a skin expansion module configured to stretch a region of the skin into which first needles are inserted to be tightened, the skin expansion module including a guide body protruding outward from a lower end of a handpiece main body and a pair of tightening members hinge-coupled to hinge shafts provided on a left side and a right side of the guide body to be rotatable, wherein lower ends of the pair of tightening members are spread outward while pressurizing the skin in contact with the skin when the handpiece main body is moved downward.

Abstract: An intravascular blood pump has an intake filter that reduces risk of heart tissue being sucked into an intake port of the pump. The filter defines a plurality of apertures, through which blood flows through the filter. The apertures are sized to prevent ingestion, by the input port, of the heart tissue. The filter includes a plurality of generally helical first struts wound about a longitudinal axis of the filter, and a plurality of second struts. The first and second struts collectively define the plurality of apertures therebetween. The struts may be woven filaments, or the apertures may be defined in a thin film (foil) tube, where remaining material between the apertures form the struts.