Vygon

Jean-Max Huet

Jean-Luc Carrez

Pierrick Guyomarc'h

Valery Dalle

Daniel Rossi

Valéry Dalle

Thierry Brinon

Laurent Lesimple

Jean Luc Carrez

According to the invention, the spring-effect deformation capacity of the valve () essentially relates to the plug (Sa) and to an intermediate valve portion () between the plug (Sa) and a tubular gap (). The valve () and the fixed end piece () are conformed so that the valve can be permanently tightened on the fixed end piece without forming a significant dead volume in said gap independently from the deformation of the valve, and so that the valve can be maintained on the fixed end piece () without any flexion under the action of the mobile end piece. The slot () of the valve includes a moulded proximal slot (A) followed by a pierced distal slot (B) for communication between the moulded slot and said gap when the slot is open. Application in medical fluid connectors.

Connector for a establishing a fluid communication controlled by a valve essentially used in the field of medicine

The invention concerns an anti-stick device for a bent injection needle. The device is composed of a wall formed by articulated panels () including a base panel (), a needle-holding panel (), and a covering panel (). The base panel () has two opposite lateral branches () which are pre-curved to facilitate their application on the skin, and two other opposite lateral branches () capable of being bent at will for pressing them onto the skin. The two other panels have curvatures to match the curvature of the pre-curved branches when they are folded down onto the base panel. Application to feeding an implanted chamber.

Anti-stick device for bent injection needle

A device for introducing a catheter into a body site through the skin by means of an security non-piercing cage includes a steel spring flexible blade which is disposed in the cross section of the chamber of the nonpiercing cage near the proximal input thereof perpendicularly to a needle and is penetrable by the needle. The blade and the needle are adapted to interact in such a way that the blade is in a resting position and freely transversable by the needle when the needle is pushed in a distal direction, and the blade stops the needle and is flexed thereby when the needle is pulled in a proximal direction beyond a determined axial position in such a way that the flexed blade tilts the needle and exposes the inclined needle to a restoring force which pushes the needle off in the distal direction until the puncture end is stopped against the chamber wall. The invention can be used for intravenous catheters.

Device for introducing a catheter with a security non-piercing cage provided with a flexible blade

A sheath is provided with a stationary deflector disposed on the path of the slider so that contact between the slider and the deflector causes the slider to be inclined and consequently causes the needle to be inclined inside the sheath. A return mechanism is provided so as to push the inclined slider back in the opposite direction so that the point of the inclined need is prevented from moving. This disposition ensures that the needle cannot escape from the sheath after it has been used.

Medical kit comprising a catheter, a needle and its case

A cock has an indexable rotating key. Indexing is achieved by a raised element on a shaped base of a housing of a barrel, and a ring which is formed at the end of the key and which is elastically deformable in a transverse plane. The raised element and ring form stubs and notches which cooperate to determine key blocking positions when the key is being rotated. The cock is suitable for use with medical instruments.

Cock comprising indexable rotating key

Anti-stick device for the safe handling of a needle for transcutaneous injection, this device being formed by two plates (F,D) arranged one above the other and fixed to one another by links (B,C,E,A) such that the device can change from a configuration in which the two plates are pressed against one another to a configuration in which they are spaced apart from one another, providing between them a space surrounded by the said links, and into which the part ( ) of the needle which penetrated the skin can be retracted as it is removed.

Anti-stick device for the safe handling of an injection needle

The invention relates to an automatically-closing connector. The connector has a closing piston which is rigid and non-deformable; a compression chamber is constituted around the closing piston and is defined upstream by the end wall of the housing and downstream by a peripheral sealing gasket carried by the piston; the outlet of the connector is situated downstream from this gasket and the closing piston has an internal passage with an inlet that opens out into the compression chamber and an outlet that communicates with the outlet of the connector. The connector is applicable to injection devices in the medical field.

Automatically-closing connector for connecting a liquid injection head to an injection outlet

A hub (,) of an arterial puncture needle includes a tubular and transparent viewing chamber (,) accessible to the reflux of blood, and a reserve chamber (,) which is leaktight to the ambient air and in air communication with an outlet end (,) of the viewing chamber. The two chambers form a rigid unit with the hub and have predetermined volumes such that the blood does not reach the air reserve chamber when the systolic pressure is maximal.

Hub of arterial puncture needle

A hypodermic needle protector constituted by a single piece of molded synthetic resin, said piece having a distal portion which forms a cap in which the distal end portion of the needle is housed, and a proximal portion forming a base in which the proximal end portion of the needle is engaged, said two portions being hinged to each other via a thin zone constituting an elastic effect fold line such that manual action makes it possible to tilt the cap so as to reveal the needle and such that the cap returns on its own to its protective position after said manual action ceases, wherein the base of the protector is designed so that the cap is caused to tilt by applying manual action to the base.

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Clichy, France

Jean-Max Huet