Abstract: Microbial disinfection is performed using continuous or intermittent lighting using one or more narrow wavelength light sources. The light sources illuminate with narrow wavelength characteristics. The lighting provides a sufficiently high intensity for rapid microbial disinfection process, while reducing the average energy consumption for microbial disinfection during the microbial disinfection process by targeting multiple cellular sites along different inactivation pathways.

Abstract: A sterilizer may include: a first pipe having an inner wall with a light reflecting property; a second pipe disposed in the first pipe so as to pass fluid therethrough and formed of a light transmitting material; and a plurality of UV LEDs arranged on the inner wall of the first pipe and configured to irradiate sterilization UV light onto the fluid.

Abstract: The present invention is a sanitizing and disinfecting device that provides a long-term sanitizing solution. The device provides a UV-C light for disinfecting objects and provides a thin antimicrobial coating which has UV curable properties to create a long-lasting sanitizing effect. The device comprises a chamber containing UV-C lamps and necessary parts to facilitate spray coating application. A self-elevating system positions the object in an appropriate height for a proper spraying.

Abstract: Consumable and replaceable light bulbs that emit white light to provide ambient lighting and also emit UV light for pathogen inactivation. The white light and the UV light may be emitted simultaneously or the light bulb can be controlled to emit the white light and the UV light at separate times. The UV light emitted by the light bulbs has a wavelength and output power that is safe for humans and pets and the UV light inactivates pathogens over relatively prolonged exposure periods. The light bulbs described herein can be used in place of conventional light bulbs, for example in a room of a home, office building or other human occupied space. Humans can remain in the space when the light bulb(s) is on without being harmed by the UV light.

Abstract: The present invention relates to a photo-cross-linkable shape-memory polymer and a preparation method therefor. The shape-memory polymer according to one embodiment of the present invention comprises a photo-cross-linkable functional group, and thus a shape-memory polymer having a melting point suitable for a physiological or medical application device can be provided. Particularly, a method for preparing the shape-memory polymer, according to one embodiment of the present invention, uses a catalyst for inducing the simultaneous ring-opening polymerization of two monomers (CL, GMA) during synthesis of the shape-memory polymer, thereby enabling the synthesis time of the shape-memory polymer to be reduced, and shape-memory polymers having various melting points can be readily prepared by controlling the introduction amounts of CL and GMA.

Abstract: The present invention relates to a composition for hemostasis which contains collagen, stabilizer, and thrombin, and a container including the same. The present invention is applicable to a bleeding patient requiring emergency treatment with a simple method of use. There is no toxicity and no problem of blood infection. A biodegradation rate is fast. In this regard, the present invention achieves an excellent hemostatic effect. Therefore, the composition for hemostasis is useful as a hemostat.

Abstract: Compositions containing purified collagen biomaterial derived from tissues, for example, insoluble amnion, soluble amnion, soluble chorion of the human placenta, are provided. The collagen compositions can be used to promote wound healing, promote tissue regeneration, prevent or reduce scarring, reduce local inflammation, minimize tissue rejection, promote graft integration. Methods for using the collagen composition as a biomaterial implant for dermal filling, skin grafting, and hair transplantation are also provided.

Abstract: The present invention relates to the field of biomedical technology, and relates to a composite membrane comprising a decellularized amniotic membrane, a use of the composite membrane, and a method for preparing the composite membrane.

Abstract: Skeletonized blood vessels for use as vascular grafts are protected from biomechanical injury and/or certain cellular and extracellular changes by application of a biocompatible hydrogel to the vessel exterior. The hydrogel may be applied to the vessel graft before or after harvesting from a donor patient.

Abstract: A tacrolimus drug-eluting stent manufacturing method according to the present invention enables a tacrolimus drug to be strongly and stably bound onto a stent, while also not necessarily involving a separate step of introducing a surface-binding functional group for the binding of a drug onto a stent and a step of introducing, into the drug, a functional group capable of binding to the surface-binding functional group, and a tacrolimus drug-eluting stent manufactured by the manufacturing method has a greater total drug elution amount and has a more excellent delayed drug-elution property.

Abstract: A blood purification apparatus that includes a blood purifier, a vascular access flow path, a cleaning solution flow path, and a drainage flow path. The blood purifier has an inner portion divided by a semi-permeable membrane into a first portion and a second portion. The vascular access flow path is connected to the blood purifier and is in communication with the first portion. The cleaning solution flow path is connected to the blood purifier and is in communication with the first portion. The drainage flow path is connected to the blood purifier and is in communication with the second portion. The cleaning solution flow path is provided with a blood pump capable of bidirectionally feeding a fluid. An open-close valve is provided in each of the vascular access flow path and the drainage flow path.

Abstract: Dialysis systems for operating dialysis machines (e.g., peritoneal dialysis machines) for conducting dialysis treatments are disclosed. The dialysis system may include a spent dialysate container for receiving spent dialysate from a patient. In use, the spent dialysate containers are arranged and configured to provide one or more mechanical advantages to ease disposal of the spent dialysate. For example, the spent dialysate container may receive the spent dialysate from the patient and enable the patient or caregiver to dispose of the spent dialysate without requiring the patient or caregiver to lift bags of spent dialysate or incorporate lengthy drain lines. The spent dialysate container may include a reservoir to receive the spent dialysate, wheels to enable the patient or caregiver to transport the reservoir, mechanisms to facilitate disposal of the spent dialysate from the reservoir, a nozzle to dispose of the spent dialysate, and/or a disinfectant to disinfect the drain.

Abstract: A valve for controlling material flow through a catheter, comprises a first flexible member including a first moveable element, wherein, when the first moveable element is in the open position, material may flow past the first flexible member through a first lumen of the catheter and, when the first moveable element is in the closed position, flow through the first lumen is prevented and a first biasing member coupled to the first flexible member for biasing the first moveable member toward the closed position.

Abstract: A hysteroscopic fluid management system includes a saline source with an electrolyte concentration, at least one pressure mechanism for circulating saline to and from a targeted site and through a filter having filter characteristics back to the source, and a controller. The controller provides a saline inflow in a first flow path to the site and a saline outflow in a second flow path from the site through the filter and back to the source at a controlled flow rate. A diagnostic or therapeutic procedure is performed at the site in the presence of the saline. The filter characteristics and the controlled flow rate are selected to (1) cause substantially no change in the electrolyte concentration in the saline, (2) to prevent hemolysis of greater than 5% of filtered red blood cells exposed to the saline, and/or (3) to minimize effect on prothrombin time of plasma exposed to the filter.

Abstract: A skin treatment device and a method to cleanse and balance pH value of skin. The skin treatment device includes a nozzle to be directed into contact with the skin of a subject. A vacuum pump may be operably coupled to the nozzle for generating a suction force of the nozzle to evacuate impurities from the skin. A liquid replenishing assembly may be operably coupled to the nozzle for atomizing liquid at a pre-defined pH value. The liquid from the liquid replenishing assembly may pass into the nozzle based on the pre-defined pH value. The first control valve may be connected to an outlet of the vacuum pump and an outlet of the liquid replenishing assembly for communication with the nozzle.

Abstract: A patient care system is disclosed that includes a medical device such as an infusion pump. The medical device generates a data message containing information such as the status of the therapy being delivered, operating data or both. An alarm generating system assesses the data message from the pump and generates an alarm message if certain conditions established by a first set of rules are met. The alarm message is assessed according to a second set of rules as to whether to suppress the alarm message. The data message contains a required input for both the first and second algorithms. A dispatching system is adapted to forward the alarm message to an alarm destination according to a third set of rules. The alarm destination expresses an alarm upon receipt of the alarm message.

Abstract: A method, computer program product, and infusion pump assembly for determining a first rate-of-change force reading that corresponds to the delivery of a first dose of an infusible fluid via an infusion pump assembly. At least a second rate-of-change force reading is determined that corresponds to the delivery of at least a second dose of the infusible fluid via the infusion pump assembly. An average rate-of-change force reading is determined based, at least in part upon the first rate-of-change force reading and the at least a second rate-of-change force reading.

Abstract: A needle stick prevention device (10, 110) includes a needle shield (20, 120) for selectively covering a distal end of a needle (41, 141). A needle hub (40, 140) is movably received within the needle shield (20, 120). The needle hub (40, 140) includes a proximal end (42, 142), a distal end (46, 146), a needle (41, 141) fixedly connected to the distal end of the needle hub (40, 140), and a plurality of ribs (54) or a cylinder (150) disposed between the proximal and distal ends. An actuation button movably received in a transverse opening of the needle shield (20, 120) to engage the needle shield (20, 120), the needle hub (40, 140) and a medical device. A spring (58, 158) is disposed between the needle hub (40, 140) and actuation member to automatically retract the needle (41, 141) into the needle shield (20, 120).

Abstract: Disclosed is an ambulatory infusion device, including a control unit and an electroacoustic transducer. The control unit is configured to operate the electroacoustic transducer as noise emitter or to operate the electroacoustic transducer as noise receiver and to determine from a received noise that is received by the electroacoustic transducer a state of the ambulatory infusion device.

Abstract: Techniques related to temporary setpoint values are disclosed. The techniques may involve causing operation of a fluid delivery device in a first mode for automatically delivering fluid to a patient based on a first target glucose value. Additionally, the techniques may involve obtaining a second target glucose value. The second target glucose value may be a temporary target glucose value to be used for a specified period of time to regulate fluid delivery to the patient, and the second target glucose value may be greater than the first target glucose value. The techniques may further involve causing, based on obtaining the second target glucose value, operation of the fluid delivery device in a second mode for automatically delivering fluid to the patient. The second mode may be for reduced fluid delivery during the specified period of time.

Abstract: A wearable drug delivery device, techniques, and computer-readable media that provide an application that implements a diabetes treatment plan for a user are described. The drug delivery device may include a controller operable to direct operation of the wearable drug delivery device. The controller may provide a selectable activity mode of operation for the user. Operation of the drug delivery device in the activity mode of operation may reduce a likelihood of hypoglycemia during times of increased insulin sensitivity for the user and may reduce a likelihood of hyperglycemia during times of increased insulin requirements for the user. The activity mode of operation may be manually activated by the user or may be activated automatically by the controller. The controller may automatically activate the activity mode of operation based on a detected activity level of the user and/or a detected location of the user.

Abstract: In part, the disclosure relates to a safety monitor and related methods to evaluate and manage intrapartum uterine contractions induced or augmented by Pitocin or other contraction inducing agents. The systems and methods include measuring a contraction parameter that may include one or more of frequency, strength, and duration of uterine contractions through a measurement device connected to a monitor. The systems and methods are programmed to stop the pump-based administration of a contraction inducing agent. Various lock out protocols and control over the ability to re-start a given pump are also described herein.

Abstract: Systems, and methods relate to a medical device receiving a treatment parameter operating point within a first operating region defined by a first set of operating points for which automatic incremental adjustment of a parameter in the current operation is permitted. In an illustrative example, incremental adjustment may use artificial intelligence based on patient feedback and sensor measurement of outcomes. Some exemplary devices may receive a request to alter the current treatment parameter operating point to a second treatment parameter operating point outside the first operating region and in a second operating region in a known safe operation zone, bounded by a known unsafe zone unavailable to the user. In the second operating region, some examples may restrict the step size of incremental adjustments requested by the user. Data may be collected for cloud-based analysis, for example, to facilitate discovery of more effective treatment protocols.

Abstract: A system and method for monitoring and delivering medication to a patient. The system includes a controller that has a control algorithm and a closed loop control that monitors the control algorithm. A sensor is in communication with the controller and monitors a medical condition. A rule based application in the controller receives data from the sensor and the closed loop control and compares the data to predetermined medical information to determine the risk of automation of therapy to the patient. A system monitor is also in communication with the controller to monitor system, remote system, and network activity and conditions. The controller then provides a predetermined risk threshold where below the predetermined risk threshold automated closed loop medication therapy is provided. If the predetermined risk threshold is met or exceeded, automated therapy adjustments may not occur and user/clinician intervention is requested.

Abstract: Provided is a system for delivering and recording a dose of a medicament to a patient. Also provided is a method of administering a medicament to a patient. Additionally provided is a method of tracking usage of a medicament by a patient through a pen.

Abstract: A plunger sub-assembly (40, 60, 70; 80) for a pre-filled medicament injector for expelling a dose of a medicament, comprising: a) a container (60) holding a medicament, the container (60) comprising a body (61) with a proximally facing rim surface (64), and a distally slideable piston (63); b) a plunger (40); and c) a tolerance compensating element (70; 80) configured to cooperate with the plunger (40) and to cooperate with either the proximally facing rim surface (64) or the piston (63), the tolerance compensating element (70; 80) being rotatable relative to the plunger (40) to adjust the piston (63) end of dose position. The plunger sub-assembly (40, 60, 70; 80) is formed so that end of dose state occurs by the plunger (40) cooperating with the proximally facing rim surface (64). Pre-filled medicament injectors and methods of assembling a pre-filled medicament injector are further described.

Abstract: The invention relates to a method for reducing an amount of sub visible particles in a pharmaceutical composition contained in a medical injection device comprising a container (1) including a barrel (10) lubricated with a lubricant coating (2) in contact with the pharmaceutical composition, and a stopper (14) in sliding engagement within the barrel (10), the container comprising a region (130, 121, 123) extending distally from the distal end (100) of the barrel which is not accessible to the stopper. During formation of said lubricant coating (2) on the inner wall of the barrel, the method comprises limiting lubricant from being deposited into said region (130, 121, 123) extending distally from the distal end (100) of the barrel.

Abstract: A controlled delivery syringe device includes a syringe barrel having a proximal end and distal end which defines a chamber for containing an injectable material. A plunger rod is associated with the syringe barrel and a plunger is secured thereto which is axially movable within the syringe barrel. A plurality of equally and sequentially spaced periodic features are associated with the plunger rod and a counter member is engageable with the periodic features. Application of a distally directed force to the plunger rod results in disengagement and reengagement of the counter member with the sequentially spaced periodic features on the plunger rod, enabling advancement of the plunger rod and plunger in the syringe barrel while providing tactile feedback of dose progression of the injectable material. A method of retrofitting a syringe with a device for injecting a metered dose of injectable material is also provided.

Abstract: A syringe system, including a plunger, a microcontroller, a battery, and a coil. The syringe barrel having a proximal end, a distal end, and a cylindrical sidewall defining a longitudinal axis, the cylindrical sidewall extending longitudinally between the proximal and distal ends, the sidewall having an exterior surface and defining an internal volume, the plunger being positioned between the proximal and distal ends of the syringe barrel and being movable within the internal volume with respect to the syringe barrel in the longitudinal direction. The syringe barrel further includes a label disposed on the sidewall and having at least two conductive strips extending in a non-parallel direction with respect to the longitudinal axis and having unique lengths. The microcontroller is configured to determine a position of the plunger with respect to the syringe barrel by measuring a current induced in the coil by the at least two conductive strips.

Abstract: A dispensing mechanism for delivering a dosage of medicament including a housing, a push button, a crank arm that is slideably engageable with the push button, a ram, and a ratchet gear releasably engageable with the crank arm and ram, translation of the push button along an axis causing the crank arm to engage and rotate the ratchet gear which causes the ram to distally advance relative to the housing.

Abstract: The present disclosure provides medical devices, particularly medical grade needles with removable tips, as well as methods of needle tip installation and removal, and devices therefor. Needle tip installation and removal devices may include needle tip installation and removal tools and kits, including hand held and manipulated tools that facilitate the installation and removal of needle tips, particularly on vascular access port needles. Such installation and removal devices may provide more expedient hook up of the access port for the therapy. Also, the installation and removal of the needle tips may be conducted in a more sterile manner.

Abstract: Devices having male connectors for preventing connection to non-compatible female connectors are described. An exemplary male connector includes an elongate tip and a collar disposed coaxially around the elongate tip including a plurality of ribs disposed on either an inside surface or an outside surface of the collar for preventing entry of a non-compatible female connector into a channel formed between the elongate tip and the collar. One or more embodiments pertain to a device with a male connector and a compatible female connector including a threaded portion for engaging a corresponding threaded portion of the male connector.

Abstract: A compact modular multifunctional inhalation device including a housing having an inlet port and an outlet port; a removable cartridge module adapted to seat within the housing, the cartridge including: a tray within the cartridge for holding a solid inhalant, a heating element mounted within the cartridge above and through the tray for heating the inhalant; and a removable modular electronic circuit adapted to seat within the housing to provide electrical current to the heating element. The heating element is a coil mounted within a chamber in thermal proximity to the solid inhalant. A quartz rod is mounted within the coil. A plunger is mounted within the cartridge to translate therein and compact the solid inhalant. In an alternative embodiment, dual channels and outlet ports are mounted in communication with an inlet port. In another embodiment, the cartridge is a split chamber cartridge with a split plunger mounted therein.

Abstract: A tube for delivering fluid that has a tube extending between a first opening and a second opening, an expandable cuff formed on a distal end of the tube, a resistant member formed around a portion of the tube, and a sleeve formed around the resistant member. Wherein, the sleeve presents a substantially smooth outer surface.

Abstract: A patient interface to deliver a flow of air at a positive pressure with respect to ambient air pressure to an entrance to the patient's airways to ameliorate sleep disordered breathing includes a frame assembly and a cushion assembly configured to removably and repeatably connect to the frame assembly. The frame assembly and the cushion assembly form at least part of a plenum chamber pressurizable to a therapeutic pressure. The cushion assembly comprises a one-piece construction including a seal-forming structure configured to form a seal with a region of a patients face surrounding the entrance to the patients airways and a frame connection structure configured to removably and repeatably connect the cushion assembly to the frame assembly. The seal-forming structure comprises a first elastomeric material and the frame connection structure comprises a second elastomeric material, the first elastomeric material comprising a lower durometer or hardness than the second elastomeric material.

Abstract: A seal-forming structure for a patient interface may include a patient-contacting surface configured to engage the patient's facial skin to form a seal; a posterior opening formed in the patient-contacting surface, the posterior opening configured to provide the flow of air at said therapeutic pressure to the patient's nares; and a support structure extending from the patient contacting surface to an interior surface of the seal-forming structure, the support structure and the interior surface forming a continuous loop, wherein the patient interface is configured to allow the patient to breath from ambient through their mouth in the absence of a flow of pressurised air through the plenum chamber inlet port, or the patient interface is configured to leave the patient's mouth uncovered.

Abstract: A first source of medical gas has a generally cylindrical male outlet with a cylindrical bore and a threaded outer cylindrical surface. A flexible cylindrical elastomeric medical gas tubing has an input end with a bushing making a flush abutment with the male outlet at the output orifice. An output end attaches to any of a plurality of medical gas utilizing devices, but preferably with a dampening disperser held in position in the space in the vicinity of a patient's nose and mouth. An annular flange of the input end bushing resides within a central cylindrical bored out region extending through the first end and nearly to the second end of a rotatable connector forming an interior surface of a connector with threads coupling with the threads of the male outlet. The second end is an annular abutment against the annular flange holding the input end tubing bushing against the outlet source and providing an airtight coupling. A gripping means is on the exterior surface of the connector.

Abstract: A device for operatively coupling to a structure and directing gas flow and a method of use thereof are provided. The device comprises an attachment apparatus, a gas outlet nozzle, and a. housing. The attachment apparatus is configured to operatively couple to the structure. The gas outlet nozzle is configured to direct a flow of gas to a desired location. The housing is operatively coupled to the attachment apparatus and the gas flow nozzle.

Abstract: A pressure safety device is used with a bag valve mask (BVM) for preventing over-pressurization. The BVM includes a bag assembly having a bag connector for detachably mating to a mask connector on a patient mask. The pressure safety device has a housing with a bag port, a mask fitting, and a flow path from the bag port to the mask fitting. The bag port detachably connects to the bag connector on the BVM, and the mask fitting detachably connects to the mask connector on the BVM. The pressure safety device includes an automatic flow reduction valve located on the flow path in the housing and impedes flow when pressure on a bag connector side of the valve exceeds a maximum threshold value.

Abstract: A distal end portion of an elongate shaft member of a catheter may be inserted into a liquid within a vessel. While the distal end portion of the elongate shaft member is inserted in the liquid in the vessel, a manipulable portion of the catheter may be manipulated within the liquid to remove an undesired fluid therefrom. The liquid may be pressurized to cause the liquid to flow into a lumen of the elongate shaft member from a distal end of the elongate shaft member at least toward a proximal end of the elongate shaft member to facilitate flushing of the undesired fluid from the lumen. The distal end portion of the elongate shaft member of the catheter may be inserted into the liquid within the vessel while at least the elongate shaft member is in a substantially horizontal orientation.

Abstract: A urinary catheter is described that can be retained inside the body for extended periods. A catheter mating device can connect to the catheter to move the catheter inside of the body or remove it from the body. The catheter includes one or more of: (1) a retention portion having an outer cover, an inner cavity, and at least one structure in the inner cavity that exerts outward force on the outer cover, and (2) an extendable flap at the catheter's distal end. The retention portion and/or extendable flap each are configured to retain the catheter in the proper position inside of a user's body.

Abstract: The present disclosure provides a catheter including a plurality of a segments, each segment having a stiffener extending along its length. The plurality of segments are interconnected with connectors such that each of the segments can bend in multiple planes via rotation of the connectors.

Abstract: A catheter assembly may include a catheter adapter, which may include a proximal end, a distal end, and a lumen extending between the proximal end and the distal end. The distal end may include a catheter configured to be inserted into vasculature of a patient. The catheter assembly may also include a septum, which may be disposed within the lumen of the catheter adapter. The septum may be secured within the lumen in response to increased pressure by one or more of the following: one or more septum stoppers, a retention disc of a needle assembly, a U-shaped washer, and a conical washer.

Abstract: Disclosed are devices and methods for automated emergency arterial cannulation. The device comprises a hand-held automated emergency arterial sheath placement device having a body with a handle and an actuator, and an arterial sheath placement head at the distal end of the handle body configured for placement against the patient's skin. The arterial sheath placement head includes an arterial sheath insertion device configured to advance an arterial needle, guide wire, and arterial sheath into a patient's artery upon sequential operation of the actuator. The arterial sheath placement head also includes a non-invasive artery locator configured to locate an artery into which the arterial sheath is intended to be placed. The arterial sheath placement head also preferably includes a Doppler gel and antiseptic needle, a local anesthetic needle, and a scalpel, all of which are likewise configured to advance from the upper body portion upon sequential operation of the actuator.

Abstract: An electronic device is disclosed. The electronic device comprise an elongate electrical connector that is configured to connect to an integrated device package. The elongate electrical connector can comprise an elongate flexible substrate. The elongate flexible substrate has a proximal portion and a distal portion spaced from the proximal portion by a length along a longitudinal axis. The elongate flexible substrate has a width along an axis transverse to the longitudinal axis. The elongate flexible substrate defines an elongation ratio of the length to the width. The elongation ratio is at least 100:1. The elongate electrical connector can be connected to a bobbin. The elongate electrical connector can be configured to unspool from the bobbin.

Abstract: A catheter housing for securing a catheter device coupled to a catheter. The catheter housing can include a cover and a hub. The catheter housing can additionally include a lock in an interior portion of the cover that secures a portion of the catheter device coupled to the catheter. The catheter housing can additionally include a bridge configured to contact and/or secure a portion of the catheter device and align the catheter device so that the catheter remains inserted at a natural or proper insertion angle relative to a patient's vein. The catheter housing can include one or more wings extending outward from a cover of the housing that can help secure tubing coupled to the catheter device.

Abstract: A medical clip for holding a medical device. The medical clip includes a first jaw and a second jaw rotatably coupled to the first jaw, the first jaw and the second jaw being rotatable with respect to each other between a closed position and an open position; an elastomeric insert configured to be positioned between the first jaw and the second jaw. The elastomeric insert defining a cavity having a cavity depth that receives a medical device between the first jaw and the second jaw. In the closed position, a distal face of the first jaw and the second jaw define a distal opening configured to receive a portion of the medical device through the distal opening; and, a proximal face of the first jaw and the second jaw define a proximal opening configured to receive a second portion of the medical device through the proximal opening.

Abstract: A securement device for catheter tubes and polymer coated cables includes a base mounted on a support surface, and male and female straps, the male straps having locking members that mate with corresponding apertures in the female straps. The male and female straps connect to a base via fixed ends of the respective male and female straps, and each of the fixed ends comprises a curved portion configured to orient the corresponding unsecured strap substantially parallel to the base. Each of the fixed ends of the male straps mate with the fixed ends of the corresponding female strap, thereby forming a crease for seating the tube or cable being secured.

Abstract: The present disclosure relates generally to the field of medical devices and methods to assist in the introduction of an instrument into a patient, and more particularly to medical devices for measuring and/or monitoring forces applied during introduction of an access sheath through a body lumen.

Abstract: Sheath assembly for the insertion of a cord-shaped element, comprising an introducer sheath, and an auxiliary sheath for insertion into the introducer sheath together with the cord-shaped element. In some examples, the auxiliary sheath has a housing configured to detachably couple to the introducer sheath housing, and to detachably fasten the cord-shaped element with respect to the auxiliary sheath housing.