The present invention relates to a medical handheld device including at least one power unit, at least one power consumer, at least one actuation element and at least one switching device which is movable from a first switching position into a second switching position when the actuation element is
The present invention relates to a medical handheld device including at least one power unit, at least one power consumer, at least one actuation element and at least one switching device which is movable from a first switching position into a second switching position when the actuation element is actuated. The invention also relates to a power unit for use in a handheld device according to the invention. The invention also relates to a power unit for use in a medical handheld device, wherein the power unit includes at least one power consumer, at least one power source, and at least one switching device which is arranged to be moved from a first switching position into the second switching position when the actuation element is actuated by the user to provided power from the voltage source to operate the power consumer and/or the handheld device.
대표청구항▼
1. A handheld medical device, comprising: at least one power unit which is removably arranged in the handheld medical device and includes the entirety of all power consumers or power conducting components of the handheld medical device, at least a voltage source, at least a switching device; andat l
1. A handheld medical device, comprising: at least one power unit which is removably arranged in the handheld medical device and includes the entirety of all power consumers or power conducting components of the handheld medical device, at least a voltage source, at least a switching device; andat least one actuation element for actuation by a user for providing power from the voltage source for operating the handheld device; andat least one device that moves the switching device into the first switching position when or as long as the actuation element is not being actuated,wherein the switching device is movable between at least a first switching position in which a conductive connection between the power consumer and the voltage source is being interrupted so that a voltage or energy exchange between the power unit and the power consumer is prevented or is interrupted through the switching device and at least a second switching in position in which the conductive connection between the power consumer and the voltage source is not being interrupted or not interrupted by the switching device,wherein the switching device comprises at least one element that is movable between two positions and a switch toggle that is rotatable between two positions,wherein the switching device is movable from the first switching position by the movable element and the rotatable switch toggle into the second switching position when the actuation element is being actuated,wherein the movable element is configured so that a position taken by the movable element corresponds to a degree of actuation of the actuation element or reflects the degree of actuation of the actuation element, andwherein the element that is movable between the at least two positions is a portion of a linear potentiometer. 2. The handheld device according to claim 1, further comprising: at least one processing device for processing or detecting at least one of the positions of the movable element; andat least one control- or regulation device for limiting or releasing the power of the voltage source to the voltage consumer as a function of a processed or detected position of the movable element. 3. The handheld device according to claim 2, wherein the at least one element that is movable between at least two positions is movable upon actuation of the actuation element from the first position into the second position or from the second position into the first position. 4. The handheld device according to claim 2, wherein the element that is movable between at least two positions moves the switching device from the first switching position into the second switching position during or through its movement. 5. The handheld device according to claim 2, wherein the processing device detects or processes the position of the movable element in a mechanical, inductive, resistive, optical or capacitive manner. 6. The handheld device according to claim 1, wherein the power unit further includes the following: an arrangement which brings the switching device into the first switching position when or as long as the actuation element is not actuated; orthe movable element that is movable between at least two positions; ora processing device configured for processing or detecting at least one of the positions of the movable element; orat least one control- or regulation device for limiting or releasing the power as a function of the processed or detected position of the movable element. 7. The handheld device according to claim 1, wherein the handheld device is a drill, an oscillating saw, a sagittal saw or as a combination thereof. 8. The handheld device according to claim 1, wherein the power unit includes the following: the arrangement which brings the switching device into the first switching position when or as long as the actuation element is not actuated;the element that is movable between at least two positions;the processing device for processing or detecting at least one of the positions of the movable element; andthe at least one control- or regulation device for limiting or releasing the power as a function of the processed or detected position of the movable element. 9. A power unit for use in a medical handheld device, the power unit comprising: at least one motor or at least one motor circuit board;at least one power source;at least one switching device which is movable between at least a first switching position in which a conductive connection between the power consumer and the voltage source is being interrupted or is interrupted so that a voltage or energy exchange between the power unit and the power consumer is prevented through the switching device and at least a second switching position in which the conductive connection between the power consumer and the voltage source is not interrupted or being interrupted by the switching device,wherein the switching device comprises at least one element that is movable between two positions and a switch toggle that is rotatable between two positions,wherein the switching device is movable by a user of the handheld device from the first switching position into the second switching position when the actuation element is actuated and by the movable element and the rotatable switch toggle in order to provide power from the voltage source to operate a power consumer or a handheld medical device,wherein the movable element is configured so that a position taken by the movable element corresponds to a degree of actuation of the actuation element or reflects the degree of actuation of the actuation element,wherein the power unit further comprises at least one device that moves the switching device into the first switching position when or as long as the actuation element is not being actuated, andwherein the element that is movable between the at least two positions is a portion of a linear potentiometer. 10. The power unit according to claim 9, further comprising: the at least one element that is movable between two positions; orat least one processing device for processing or detecting at least one of the positions of the movable element; orat least one control- or regulation device for limiting or releasing the output power as a function of the processed or detected position of the movable element. 11. The power unit according to claim 9, further comprising: the at least one arrangement that moves the switching device into the first switching position when or as long as the actuation element is not actuated;the at least one processing device for process ng or detecting at least one of the positions of the movable element; andat least one control- or regulation device for limiting or releasing the power as a function of the processed or detected position of the movable element.
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Shelton, IV, Frederick E.; Setser, Michael E.; Weisenburgh, II, William B., Surgical stapling instrument with lockout features to prevent advancement of a firing assembly unless an unfired surgical staple cartridge is operably mounted in an end effector portion of the instrument.
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