Method And System For Operating A Medical, In Particular A Dental, Handpiece
First Claim
1. A method for operating a medical handpiece, with the handpiece having a motor for driving a tool, comprising:
- (a) successively detecting values of a physical variable which represents power or energy supplied to the motor,(b) forming an integration value by integrating the values detected in (a), and(c) automatically reducing a power or energy supplied to the motor, if the integration value which is formed in (b) exceeds an upper threshold value.
1 Assignment
0 Petitions
Accused Products
Abstract
A method and corresponding system for operating a dental handpiece, wherein the handpiece comprises a motor for driving a tool. the method comprises (a) sequentially capturing values of a physical parameter, which—at least approximately—represent the power or energy fed to the motor, (b) forming an integration value by integrating the values captured in (a), and (c) automatically reducing a power or energy fed to the motor if the integration value formed in (b) exceeds an upper threshold value. The integration value formed in (b) represents a measure of the power integrated over time and can thus be used at least approximately as a measure of the temperature of the instrument. The automatic reduction in the power or energy fed to the motor performed in (c) can therefore effectively act against a further increase in temperature or allow cooling if the temperature of the instrument exceeds an upper threshold value. In this manner, the risk of damage due to excessive temperature of the instrument can be effectively reduced.
3 Citations
14 Claims
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1. A method for operating a medical handpiece, with the handpiece having a motor for driving a tool, comprising:
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(a) successively detecting values of a physical variable which represents power or energy supplied to the motor, (b) forming an integration value by integrating the values detected in (a), and (c) automatically reducing a power or energy supplied to the motor, if the integration value which is formed in (b) exceeds an upper threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for operating a medical handpiece, with the handpiece having a motor for driving a tool, comprising:
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(a) detecting a time interval, and (c) automatically reducing a power or energy supplied to the motor, if the time interval detected in (a) exceeds a time interval threshold value. - View Dependent Claims (11, 12)
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13. A system for operating a medical handpiece, with the handpiece having a motor for driving a tool, comprising
detection means for successively detecting values of a physical variable which represents power or energy supplied to the motor, integration means for forming an integration value by integrating the values detected by the detection means, and reduction means for automatically reducing a power or energy supplied to the motor, if the integration value formed by the integration means exceeds a predefined upper threshold value.
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14. A system for operating a medical handpiece, with the handpiece having a motor for driving a tool, comprising
detection means for detecting a time interval, and reduction means for automatically reducing a power or energy supplied to the motor, if the time interval detected by the detection means exceeds a time interval threshold value.
Specification