Abstract: A medical cleaning device is used to clean interior surfaces of hollow shafts of medical instruments. The device has a closed body which can be inserted into the hollow shaft of the medical instrument to be cleaned, an outer diameter of the body being smaller than a clear inner diameter of the hollow shaft such that an inner lumen remains which is reduced compared to the inner lumen of the hollow shaft. The body has a connection starting from one end, a cleaning liquid can be guided into the reduced inner lumen when the body is inserted in the hollow shaft. Furthermore, provision is made for a support by means of which the body can be supported on the medical instrument.

Abstract: An endoscope having a hollow shaft for inserting an image guide, so that the distal end of the shaft is configured at an angle to the longitudinal axis of the shaft and the shaft is closed at the distal end by means of an end piece provided with a pass-through borehole for the image guide. To create an endoscope with an image transmission system of sufficient image size and image quality that can be autoclaved for cleaning purposes, it is proposed with the invention that the image guide should be positioned in the shaft in such a way that the bending radius of the image guide in the area of the bending of the shaft is greater than the bending radius of the shaft in the area of the bending.

Abstract: A medical instrument comprises a tubular body, housing at least one injection needle with a radially outwardly directed tip portion in an axially undisplaceable manner. A control element serves for deploying the tip of the injection needle out sideways from the tubular body. It is proposed that the control element is housed in the tubular body in an axially displaceable manner, and that said element it in operative connection with the at least one injection needle in such a way that, in a first axially displaced position, the outwardly directed tip portion of the injection needle is fully retracted in the body and, in a second axially displaced position, at least the tip of the outwardly directed tip portion is pressed sideways out from the tubular body (FIG. 5).

Abstract: A press-down valve is provided for medical instruments for suction and irrigation and a medical instrument having installed such a press-down valve. A valve stem is pressed permanently into a closure position via a pretensioned spring. For actuation, the valve stem is moved counter to the force of the spring via an actuation element, and, after release, the spring presses the valve stem back into the closure position. A catch mechanism is provided by means of which the valve stem can be locked in the open position only when the press-down valve has been removed from the medical instrument, and that, when it is installed in the medical instrument, the catch mechanism is automatically released and remains released.

Abstract: A coupling device for securing medical instruments to a holding device allows for simple and rapid handling and exact positioning of the medical instrument. A coupler socket is configured on one component and a coupler plug is configured on the other component, wherein the coupler socket and coupler plug can be fixed in mutually connected position with respect to one another by means of at least one locking element. The coupler socket is configured as a sleeve-shaped collet chuck comprising several mutually distanced spring arms. The coupler plug comprises a coupling pin equipped with at least one radially outward-pointing catch cam. When coupled, at least one catch cam of the coupling pin catches on a corresponding back-cut on the collet chuck. The locking element can be screwed onto the collet chuck so that the spring arms of the collet chuck in the coupled position are affixed facing radially outward.

Abstract: A device serves for temporarily immobilizing a tissue in an area of a pulsating blood vessel during a cardiac and thoracic surgical intervention. A pod of the device can be placed onto a tissue beneath a pulsating blood vessel. The pod has a rigid holder supporting a flexible element. The flexible element has suction openings in an area of contact with said tissue. The pod has a connector piece for the connecting to an underpressure source. A flexibility of said flexible element is in that said flexible element adapts to a shape of said tissue in said area of contact when placed on said tissue.

Abstract: A flexible shaft to be received in a curved shank of a medical instrument has a hollow shaft having a wall with cuttings therein such that said hollow shaft can also transmit rotary forces in a curved state. Said hollow shaft has a proximal end for coupling to a drive mechanism of a medical instrument and a distal end on which a tool is arranged. In view of tension relief a body extending through an inside of said hollow shaft from said distal end to said proximal end is provided, said body is flexible but is axially inextensible and axially incompressible. In terns of pressure relief said distal end of said hollow shaft is provided with a limit stop which interacts with a limit stop on said medical instrument in such a way that a compression of said hollow shaft beyond a certain extend is blocked.

Abstract: A device is used for cleaning a flexible hollow shaft of a medical instrument, the wall of said flexible hollow shaft is provided with openings. The device comprises a hollow space in which at least one portion of said hollow shaft can be received. A cleaning liquid can be delivered into said hollow space via an attachment piece. An inside wall of said hollow space is at a radial distance from the outer face of said hollow shaft. Flow resistance means, spaced axially apart from one another, are provided, either in the form of sealing means or in the form of narrow annular gaps which respectively seal off or delimit, in the axial direction, a space between said outer face of said hollow shaft and said inside wall of said hollow space.

Abstract: The invention relates to a spreadable medical instrument for endoscopic interventions having a base body, a handle positioned on the base body, and at least two spatula blades that are connected with the handle and can be displaced between a closed starting position and at least one working position parallel and/or at an angle to one another by means of an adjustment device, in such a way that the adjustment mechanism is positioned on the handle so that it is possible simultaneously to grip the handle and activate the adjustment mechanism with the same hand. To create a spreadable medical instrument that has the widest possible range of applications and is easy and safe to operate, it is proposed with the invention that the adjustment mechanism is configured as a continuous, adjustable screw-in mechanism.

Abstract: A press-down valve is provided for medical instruments for suction and irrigation and a medical instrument having installed such a press-down valve. A valve stem is pressed permanently into a closure position via a pretensioned spring. For actuation, the valve stem is moved counter to the force of the spring via an actuation element, and, after release, the spring presses the valve stem back into the closure position. A catch mechanism is provided by means of which the valve stem can be locked in the open position only when the press-down valve has been removed from the medical instrument, and that, when it is installed in the medical instrument, the catch mechanism is automatically released and remains released.

Abstract: The invention relates to a medical-technology valve device for suction and/or flushing lines of medical instruments, particularly instruments for endoscopic surgery, having a valve housing equipped with a through bore-hole and having a valve body, movably positioned in the valve housing, by which valve body the through bore-hole can be locked and opened again, and where the valve body is configured as a piston that can be displaced essentially perpendicularly to the through bore-hole by means of a servo drive, so that a rotary movement of the servo drive can be transformed into an axial movement of the piston.

Abstract: A medical instrument in particular a uretero-renoscope has a proximal head part and an elongate thin shaft for introduction into a small diameter elongate hollow organ. An instrument channel and at least one further channel is disposed within the shaft. The instrument channel is arranged centrally in the shaft.

Abstract: The invention relates to a valve for medical instruments for insulating against a distal-side fluid a canal configured in the medical instrument and serving as input for at least one additional medical instrument, having a valve housing where in the valve housing at least one fluid opening is configured, and having positioned in the valve housing at least one insulating body that can be inserted at least partly into the canal.

Abstract: A medical instrument for suction and irrigation comprises an elongate shaft with a first channel serving as suction channel and with a second channel serving as irrigation channel, the shaft having a first tube which is closed in cross section and in which one of the channels is present. The shaft has a second tube which is open in cross section along its length and is placed with its open lengthwise side on an outside face of the first tube and secured sealingly thereon, the other channel being formed in the space between the outside face of the first tube and an inside face of the second tube. A method for production of the instrument is also described.

Abstract: A device for cutting cartilage to size has a first body and a second body between which the cartilage to be cut to size can be placed. It is proposed that the second body has at least one opening extending through it, which opening serves as a seat for the cartilage, and the perichondrium surrounding the cartilage can be held between the bodies.

Abstract: A sliding-shaft medical instrument has a sliding shaft that has first and second slide elements, arranged side by side and displaceable axially relative to one another, and at least one jaw part at the distal end that is actuable, by way of a handle at the proximal end, via a relative displacement of said two slide elements, said handle having two handle elements that are movable relative to one another. Said first slide element is mounted, in swing-aside fashion, at a distal end of a tubular shaft that is detachably attached to said handle. In order to actuate said at least one jaw part, said tubular shaft is displaceable relative to said second slide element, and said first slide element can be swung aside when said tubular shaft is detached from said handle and is displaced a further distance.