MEDICAL/SURGICAL IRRIGATOR WITH A TIP THROUGH WHICH IRRIGATION FLUID IS DISCHARGED AND A SUCTION IS DRAWN, A VARIABLE RATE PULSE PUMP FOR DISCHARGING THE IRRIGATION FLUID AND A SEPERATE BATTERY PACK FOR POWERING THE PUMP
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Accused Products
Abstract
A medical/surgical irrigator comprising a handpiece and a tip assembly that is removably attached to the handpiece. Internal to the handpiece is a variable speed pulse pump from which irrigation fluid is discharged through the tip assembly. A single, variable speed motor regulates the pumping rate of the pump. The tip assembly includes a suction wand through which the discharged fluid is drawn away from the site to which the fluid is applied.
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Citations
50 Claims
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1-30. -30. (canceled)
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31. A medical irrigator comprising:
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a housing shaped to be hand held and having a front end, the front end having a fluid outlet opening;
a tip assembly that extends forward from the front end of said housing, said tip assembly having an outlet tube in fluid communication with the housing fluid outlet opening and a suction tube;
an inlet tube extending to said housing;
a pulse pump capable of operating at a variable rate disposed in said housing that opens to the housing front end, said pump configured to receive fluid from said inlet tube and discharging the fluid through the fluid outlet opening;
a single electric motor disposed in said housing and connected to said pump for actuating said pump, said motor operable at variable speeds to control the pumping rate of said pump;
a control assembly disposed in said housing to regulate the speed of said motor;
a flexible suction tube that is in fluid communication with said tip assembly suction tube and that extends away from said housing;
a battery pack separate from said housing; and
a flexible conductor assembly extending from said battery pack to said housing for supplying energy stored in said battery pack to said motor. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
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39. A medical irrigator comprising:
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a housing shaped to have a front end;
a pulse discharge pump that operates at a variable rate disposed in said housing having an inlet and discharge conduit, the discharge conduit opening towards the front end of said housing;
an inlet line that extends into said housing that is in fluid communication with the pump inlet;
a single electric motor disposed in said housing and connected to said pump to actuate said pump, said motor operating at variable speeds to regulate the pumping rate of said pump;
a tip assembly that extends from the front end of said housing, said tip assembly having an outlet tube that is in fluid communication with the pump discharge conduit and a suction wand;
a flexible suction tube that is in fluid communication with said tip assembly suction wand;
a battery pack separate and spaced from said housing that contains at least one battery that stores energy for energizing said motor;
a flexible cable that extends from said battery pack to said housing for supplying energy from said battery pack to said motor; and
a control assembly integral with said housing, said control assembly having a switch member moveably mounted to said housing and said control assembly being configured to apply a variable energization signal from said battery pack to said motor so as to control the speed of said motor and regulate the pumping rate of said pump. - View Dependent Claims (40, 41, 42, 43, 44, 45)
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46. A medical irrigator, said irrigator comprising:
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a housing having a front face;
a tip assembly that extends from the front face of said housing, said tip assembly including an outlet tube and a suction wand;
a pulse discharge pump disposed in said housing that operates at a variable rate, said pump having an inlet and an outlet, the outlet opening into the front face of said housing so as to be in fluid communication with said tip assembly outlet tube;
a flexible suction tube that is in fluid communication with said tip assembly suction wand, said flexible suction tube extending away from said tip assembly;
a single, variable speed electric motor disposed in said housing connected to said pump for actuating said pump at variable rates;
a battery pack separate from said housing containing at least one battery;
a flexible cable that extends from said battery pack to said housing, said flexible cable having at least one conductor over which an energization signal from said at least one battery is supplied; and
a control assembly attached to said housing and connected between said at least one conductor and said motor for supplying a variable potential energization signal to said motor, said control assembly having a single switch member that is moveably attached to said housing that selectively makes/breaks a connection between said at least one conductor and said motor and that establishes the potential of the energization signal supplied to said motor. - View Dependent Claims (47, 48, 49, 50)
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Specification