摘要:
A surgical instrument, particularly an electrosurgical instrument, including an actuating element for actuating at least one first and one second functional unit, wherein the actuating element is movable in a translational and/or rotational motion within a movement range, wherein the first functional unit is actuatable by means of a movement within a first partial region of the movement range and the second functional unit is actuatable by means of a movement within a second partial region of the movement range, wherein a changeover device is provided such that, as a result of a movement of the actuating element through a changeover region between the first and second partial region, an operative connection between the first functional unit and the actuating element can be interrupted and an operative connection can be established between the second functional unit and the actuating element.
摘要:
A surgical instrument, particularly an electrosurgical instrument, including an actuating element for actuating at least one first and one second functional unit, wherein the actuating element is movable in a translational and/or rotational motion within a movement range, wherein the first functional unit is actuatable by means of a movement within a first partial region of the movement range and the second functional unit is actuatable by means of a movement within a second partial region of the movement range, wherein a changeover device is provided such that, as a result of a movement of the actuating element through a changeover region between the first and second partial region, an operative connection between the first functional unit and the actuating element can be interrupted and an operative connection can be established between the second functional unit and the actuating element.
摘要:
A sprinkler comprises a turbine rotor (64) and a nozzle means (20) driving the latter, the water jets emerging from the nozzle means (20) as fanned jets so that the water impinges the surface area to be irrigated at a relatively small distance away from the sprinkler also under high pressure. The nozzle means (20) is mounted rotatably to enable differing sectors or sectors differing in size to be irrigated.
摘要:
A medical pump for use in water jet surgery which provides ease of connection between a pump unit and a pump actuating device. The medical pump includes a pump unit and a pump actuating device. The pump unit has at least one piston. The pump actuating device includes a holding device and at least one coupling device, the combination of which is configured to connect the pump unit and pistons to the pump actuating device. The pump actuating device includes a drive device controlled by a control system to actuate the pump unit, to open/close the holding device, and to open/close the at least one coupling device. The pump actuating device includes a detection device in communication with the control system that detects a relative position between the pump unit and the pump actuating device and transmits detection signals to the control system.
摘要:
In a circular sprinkler, as a result of an intermediate gear, the turbine wheel runs muck faster than the jet splitter operating upstream thereof in the flow direction and also constructed as a turbine rotor, so that the sprinkler starts substantially independently of the water flow and an adjusting device can be provided with which it is possible at any time to manually adjust the sector to be watered. A slot-like bottom with an extension of the guide faces connected thereto is used for further increasing efficiency.
摘要:
Medical pumps for water jet surgery are known. The invention relates to a pump comprising at least two pistons provided with piston rods for displacing the pistons in cylinders and for coupling to a pump actuation device, a cylinder head for closing the cylinders, and valve means for respectively connecting a pressure chamber in the cylinder to at least one fluid inlet and at least one fluid outlet. Said fluid outlet is connected to the fluid inlet in a communicating manner by means of an adjustable pressure regulating valve, in such a way that the pressure in the fluid outlet can be limited to a predetermined maximum value so that operation of the pump can be.
摘要:
In a sprinkling apparatus constructed as a square sprinkler, which has a straight nozzle row with a plurality of nozzles and directionally adjustable nozzle axes, it is possible to tilt the nozzle axes of single nozzles collectively relative to one another. A preferred embodiment has a fan-like sprinkling pattern, the jets of the fan being symmetrically or asymmetrically brought together or moved apart. The fan edges can be adjusted independently of one another.
摘要:
A device for producing anastomoses between first and second hollow organs, each having inner and outer surfaces. The device comprises a sleeve with an electrode arrangement, over which the first hollow organ is placed such that its inner surface comes to lie on an outermost surface of the sleeve, and an outer electrode arrangement, which can be brought into electrical contact with the opposing electrode arrangement carrying the second hollow organ, which is pushed over the first hollow organ. The outer electrode arrangement comprises a plurality of lamellae, configured and arranged such that, in a closed state, the lamellae form a through aperture and the inner edges of the lamellae lie against the second hollow organ and, in an open state, a gap is formed between the lamellae through which the hollow organs connected to one another can be guided outwardly out of the through aperture.
摘要:
A device for producing anastomoses between first and second hollow organs, each having inner and outer surfaces. The device comprises a sleeve with an electrode arrangement, over which the first hollow organ is placed such that its inner surface comes to lie on a outermost surface of the sleeve, and an outer electrode arrangement, which can be brought into electrical contact with the opposing electrode arrangement carrying the second hollow organ, which is pushed over the first hollow organ. The outer electrode arrangement comprises a plurality of lamellae, configured and arranged such that, in a closed state, the lamellae form a through aperture and the inner edges of the lamellae lie against the second hollow organ and, in an open state, a gap is formed between the lamellae through which the hollow organs connected to one another can be guided outwardly out of the through aperture.