A61M5/1782

Pressure-regulating fluid transfer systems and methods

Various systems and methods for the pressure-regulated transfer of medical fluids are disclosed. The system can include an adapter assembly that connects with a medical container and with a syringe assembly. The syringe assembly can include a first reservoir and a second reservoir. In various embodiments, when the adapter assembly and the syringe assembly are coupled, the first reservoir and the container can exchange regulating fluid and the second reservoir and the container can exchange medical liquid from the medical container.

Mixing and/or reconstitution system and respective method

A mixing and/or reconstitution system reduces the possibility of user error and provides a well mixed and/or reconstituted drug in a short time. The system comprises a device containing a first material within a first chamber, a housing, and a plunger, the plunger comprising a second chamber containing a second material, wherein one of the first and the second material is a fluid, and a movable element with an electric, magnetic, or paramagnetic characteristic, wherein the second chamber is initially closed; and a base unit comprising a recess for accommodation of the device, a control unit, and an electromagnetic unit which is adapted to produce an electromagnetic field penetrating the recess, wherein the control unit can electrically operate the electromagnetic unit such that the element contained in the second chamber moves in a direction of the device determined by the electromagnetic field and fluidly communicates the first and second chambers.

Connector for Connecting a Medical Injection Device to a Container and Assembly Comprising Said Connector and Medical Injection Device
20220362482 · 2022-11-17 ·

A connector for connecting a medical injection device having a distal tip, a needle extending from the distal tip and a sleeve extending around the tip comprising an inner threaded portion, to a container including a collar closed by a pierceable septum, including: a proximal part configured to sealingly engage the tip of the injection device so as to enclose at least a part of the needle; a distal part configured to be connected to the container, including a skirt configured to extend around the needle when the connector is connected to the injection device; and a needle shield configured to be mounted on the needle, so as to sealingly enclose at least the tip of the needle, the needle shield being configured to be pierced by the needle inserted via the opening for sealingly enclosing said needle.

Ambulatory infusion device
11583632 · 2023-02-21 · ·

An ambulatory infusion device including a pump drive unit, a valve drive unit and a control unit. The pump drive unit includes a pump actuator and a pump driver coupled to a piston of a metering pump unit. The valve drive unit includes a valve actuator and a valve driver coupled to a valve unit for transmitting a valve switching force or torque. The control unit controls a repeated execution of: (a) placing the valve unit in a filling state; (b) displacing the piston in a retraction direction; (c) displacing the piston in an advancing direction by a backlash compensation distance; (d) switching the valve unit from the filling state into a draining state; and (e) further displacing the piston in the advancing direction in a number of incremental steps over an extended time period.

SYRINGE SET, SYRINGE, AND SET
20220354747 · 2022-11-10 · ·

A syringe set, a syringe and a set include a first syringe having a first connection port and a drug container having a second connection port. The first connection port includes an injection needle attachment structure to which an injection needle is attachable, and a blocking member that is disposed in the injection needle attachment structure and blocks attachment of the injection needle. When the second connection port is connected to the first connection port, the blocking member is connected to the second connection port side, and when the second connection port is detached, the blocking member is detached from the first connection port so as to allow the injection needle to be attached to the first connection port.

PORTABLE ADJUSTABLE SYRINGE GUIDE AND VIAL HOLDER
20220355042 · 2022-11-10 ·

A portable modular assistive device for storing, measuring, drawing and administering liquid injectable medication or other fluids from a vial and syringe, specifically to insulin for consumers and medical professionals in homes, while traveling and in medical facilities, having means to allow users to quickly, securely, easily and accurately measure and draw the desired amount of insulin and then administer the medication. The device is a portable syringe guide and vial holder comprising a horizontal elongated stabilizer made of rigid light-weight material with high tolerance and low friction, a rigid liquid medication vial protector at one end; a rigid movable syringe carriage with an opening on the top side to firmly hold the assembled syringe and needle to perfectly align the needle to the center section of the rubber top of the vial; a flexible expandable color-coded security strap; a flexible expandable color-coded resistance spacer ring, a removeable adjustable magnifier and calibrator bar, a rigid end cap at the other end of the horizontal stabilizer, with said holder having means to allow users to transport said holder in a pocket or pouch without risk of spillage from the vial, dislodging the components or damage to the vial, needle or syringe. Thus, a considerably more versatile, cost-effective, durable and efficient syringe guide and vial holder is provided that can accommodate a plurality of syringe and needle sizes as well as various liquid medications and other fluids in vials in the first embodiment as well as in other embodiments with ease of tracking quantities, contents, sizes and locations of a variety of vials, syringes and needles.

HAIR GROWTH APPLICATOR AND METHOD OF USE
20220355045 · 2022-11-10 ·

A hair growth applicator for promoting the growth of hair follicles by applying hair growth liquid, comprising a handle having an internal chamber for containing said hair growth liquid, said handle having a channel running from said chamber to a distal end of said handle, a tip disposed at said distal end of said handle with a plurality of needles disposed on said distal surface of said tip, said distal surface having an opening, wherein said chamber is in fluid connection with said opening on said distal surface of said tip

Transfer device for fluid transmission

A transfer device 2 for fluid transmission from a storage bottle 1 to a receiving unit, comprising at least one housing with a housing insert or inset which comprises at least one transfer needle 8, 9 and a needle protector. To ensure sufficient safety for the personnel, a new transfer device 2 is suggested which is suited for screwing on a disposable syringe 3 and may be directly connected to a storage bottle 1. Here, the transfer device 2 consists of only few elements which on the one hand ensure a reliable function and on the other hand prevent any contact with toxic medicine. To this end, the housing has a tubular design and has at one end an open cylinder section with at least one locking unit for a storage bottle 1, and at the other end an opening for a housing insert.

Syringe with multi-stage filling and dispensing
11491277 · 2022-11-08 · ·

The syringe includes a hollow body with at least one free-floating piston and a plunger within the body, with the piston between the plunger and a proximal end of the body. A manifold is provided lateral to the body. The manifold leads to an input/output tip. The manifold includes a front port located between the piston and the proximal end of the body and a rear port spaced from the proximal end of the body. The manifold includes at least one flow path leading from the input/output tip to at least one of the front port and/or the rear port. A first fluid fills a rear chamber distal to the piston and then the manifold is adjusted to fill second fluid into a front chamber proximal of the piston, and then the manifold is adjusted to allow sequential delivery of the second fluid and the first fluid.

Vial adaptor assembly for a closed fluid transfer system
11571362 · 2023-02-07 · ·

A vial adaptor assembly, suitable for use with a vial containing a medicament and a syringe adaptor, which is in turn connectable to a syringe having a piston adapted for selectable displacement in a first direction for drawing fluid into the syringe and in a second direction for expelling fluid from the syringe, the vial adaptor assembly including: a vial connector for non-removable connection with the vial containing a medicament; a syringe adaptor connector for connection with the syringe adaptor; a pressure equalization chamber having a variable volume, which is sealed from the outside environment during use; a liquid pathway communicating between an interior of the vial containing the medicament and an interior of the syringe when the syringe adaptor is connected to the syringe adaptor connector and the syringe is connected to the syringe adaptor and the vial connector is connected to the vial containing the medicament; and a venting pathway communicating between the interior of the vial containing the medicament and an interior of the pressure equalization chamber, when the vial connector is connected to the vial containing the medicament, wherein the pressure equalization chamber and the venting pathway are mutually configured such that, when the syringe adaptor is connected to the syringe adaptor connector and the syringe is connected to the syringe adaptor and the vial connector is connected to the vial containing the medicament, substantially all of any of the medicament that becomes located within the pressure equalization chamber is removed therefrom via the venting pathway and returned to the interior of the vial by displacement of the piston of the syringe in the first direction.