Medaxis Ag

Carag Ag

Beat Widmer

Beat Moser

Roman Good

Adrian Zweifel

Lukas Christen

Martin Butler

Claudio Steiner

Daniel Napoletano

Martin Schug

Jérôme Bernhard

Kuno Limacher

Albora De Pablo Peña

Cyrill Röthlin

Jörg Hummen

Andreas Mellmann

Maryline Simon

Roland Wiget

Christoph Sidler

Matthias Widmer

Oezkan Selek

Martin Bütler

Jerôme Bernhard

Albora De Pablo PEÑA

A system for cleansing wounds with a fluid jet includes a pressure pump () for generating a fluid jet, a handpiece body () with a nozzle () for emerging the fluid jet, a fluid line () connecting the pressure pump () with the handpiece body (), an adapter () holding a porous body (), the adapter () being releasably connected to the handpiece body (). The adapter () and the porous body () comprise a free inner space () into which the fluid jet emerges when leaving the nozzle (). The adapter () is at least partially transparent, thereby enabling a view into the inner space of the adapter and the porous body. The system according to the invention combines the advantages of cleansing by a fluid jet with the advantages of mechanical cleansing and, at the same time, provides effective protection against aerosols.

System for cleansing wounds

A handpiece for cleansing wounds with a fluid jet includes a main body, which has a front end with an emergence opening for the emergence of the fluid jet, wherein a porous body is present on the front end, which porous body surrounds the emergence opening and protrudes beyond the latter in the direction of the fluid jet outlet and forms a space through which the fluid jet can pass unimpeded. The handpiece according to the invention combines the advantages of cleansing by a fluid jet with the advantages of mechanical cleansing and, at the same time, provides effective protection against aerosols.

Handpiece for cleaning wounds

The present invention relates to a handpiece for spraying on a fluid jet with a handpiece casing in which a nozzle element for forming the jet geometry of the fluid jet is accommodated. The present invention is based on the object of specifying a handpiece for spraying on a fluid jet which can be produced in a more simple and inexpensive manner, and proposes to satisfy the object in that a nozzle element be fixedly connected to an integrally formed nozzle holder which sealingly abuts against the outer circumferential surface of the nozzle element and is fixed relative to the handpiece casing.

Handpiece for spraying on a fluid jet and insertion member for this handpiece

A method of emitting a water jet includes emitting a water pressure between 50 and 200 bar through a nozzle element that has a cylindrical nozzle body forming a flow passage for the water jet, and at least one nozzle opening emitting a jet stream to the surrounding area whose smallest dimension is not more than 0.15 mm, and wherein a fan jet is created on the surface to be treated at a working distance of about 80 mm between the nozzle opening and the surface to be treated. A handpiece is disclosed that includes a nozzle element that may be accommodated in the handpiece and may, in part, provide for emitting a water jet as disclosed.

Method of emitting a water jet and nozzle element for performing the method

A pump module with a casing having at least one pump piston is mounted in a reciprocatingly movable manner and may include a sealing element which, in pumping operation, abuts in a sealing manner against a cylinder. An embodiment of a pump module, which is easy to produce and can be disinfected or sterilized in a simple manner, includes a pump piston that can be fixated in a parking position in which the sealing element does not abut against the cylinder.

Pump module

A protective cover for the protection against contamination from body and/or irrigation fluid during treatment of wounds/ulcers includes a first opening to be placed on a patient and a second opening for inserting a handpiece. The protective cover includes a fluid-tight and flexible hollow body that defines a treatment chamber having a shape that adapts to motion of a handpiece. The hollow body may include a stiffening element for keeping the first opening in an open state during treatment. Additionally, a device for the irrigation of wounds or ulcers, such as for debriding dead body tissue by way of a micro water jet, may include a hand-operated lance with a nozzle for producing an irrigation fluid jet, such as a micro water jet. The lance may be inserted through the second opening of the protective cover so that the nozzle is located within the treatment chamber of the protective cover.

Protective cover

A pump module and a device for producing a fluid jet with a pump module are disclosed. In an embodiment the pump module may include a pump housing in which at least one pump piston is mounted in a reciprocatingly movable manner and is provided with at least one sealing element which during a pumping operation interacts with a cylinder. For creating such a pump module producible in a simple manner and nevertheless exhibiting the functionality necessary for the pumping operation, embodiments disclose a valve block, which receives at least one valve associated with the cylinder, wherein the cylinder is sealed against the valve block. Furthermore, a cover element may abut against the valve block on a side opposite to the cylinder and between itself and the valve block forms an inlet passage leading to the cylinder and/or an outlet passage communicating with the cylinder.

Pump module and device for producing a fluid jet

An occluder including at least one occluding body, a multiple of elongate members forming an expanding unit capable of expanding into at least one fixation structure for fixing the occluding body within the passage thereby expanding the occluding body), the elongate members penetrating the occluding body, a locking unit for locking the expanding unit in its expanded state, fixation bushes for restricting relative movement between the elongate members and the occluding body, each fixation bush surrounding one single elongate member and abutting the occluding body, at least one thread and wherein at least one of these fixation bushes is fastened to the at least one occluding body with this at least one thread, the thread penetrating the at least one bush and the occluding body.

Occluder

A system for treating, in particular cleansing, wounds with a fluid jet. The system includes a handpiece with a main body with a front end with an emergence opening for the emergence of the fluid jet. The system furthermore has at least one light-emitting light source, which irradiates aerosols created when cleansing the wound. The system enables wound cleansing with simultaneous decontamination of the aerosols created in the process such that the risk of contamination of the surroundings is reduced and preferably with simultaneously treating the wound with UV light.

Handpiece for treating wounds

A device for producing a fluid jet suitable for hygienic requirements in mechanical wound cleaning, including removal of biological tissue, may include a drive casing with a drive and a pump module with a pump casing which can be detachably joined. The drive casing may include a positive-locking element and the pump casing may include a positive-locking counter-element. The positive-locking element may interact with the positive-locking counter-element so that the pump casing is imposed a pivotal motion relative to the drive casing until reaching a final position. In final position the pump casing may be connected to the drive casing and a drive element may be connected to an associated drive counter-element. Drive element and drive counter-element may be arranged eccentric to a pivot axis of the pivotal motion and may be formed so a positive-locking connection arises between the drive element and drive counter-element due to the pivotal motion.

Self-locking coupling between a pump casing and a pump module

The invention relates to a delivery system for delivering a stent (S) into a body vessel of a patient, comprising a flexible catheter tube () having a proximal and a distal end for delivering the stent (S) to a predetermined location in the body vessel and a catheter tip () having a longitudinal direction, which is disposed at the distal end of the catheter tube (). The catheter tip () has a stent chamber () to receive the stent (). The catheter tip has a first pressure chamber (). In the catheter tube () a first fluid channel () extends from the proximal end to the first pressure chamber () of the catheter tip (). The volume of the first pressure chamber () can be enlarged by delivering a first fluid from the first fluid channel () to the first pressure chamber (), such that the stent (S) is released from the stent chamber () at the predetermined location in the body vessel. According to the invention the catheter tip () has a second pressure chamber (), wherein in the catheter tube () a second fluid channel () extends from the proximal end to the second pressure chamber () and wherein the volume of the second pressure chamber () can be enlarged by delivering a second fluid from the second fluid channel () to the second pressure chamber (), such that a partially released stent (S) can be returned from the predetermined location in the body vessel into the stent chamber (). This delivery system according to the invention makes it possible to release a stent (S) at a well-defined location and also to surround same again relatively atraumatically and to reposition same in situ.

Growing community of inventors

Lucerne, Switzerland

Beat Widmer