LITZ WIRE BATTERY POWERED DEVICE
First Claim
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1. A medical instrument comprising:
- a housing and a handle for gripping by a user, an end effector coupled to the handle and having at least one electrical contact;
a battery;
a radio frequency (RF) generation circuit coupled to and operated by the battery and operable to generate an RF drive signal and to provide the RF drive signal to the at least one electrical contact, wherein the RF generation circuit is supported by the housing;
wherein the RF generation circuit comprises a resonant circuit comprising at least one inductive element constructed of litz wire.
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Abstract
A medical instrument is disclosed. The medical instrument includes a housing and a handle for gripping by a user, an end effector coupled to the handle and having at least one electrical contact, a battery, and a radio frequency (RF) generation circuit coupled to and operated by the battery. The RF generation circuit is operable to generate an RF drive signal and to provide the RF drive signal to the at least one electrical contact, wherein the RF generation circuit is supported by the housing. The RF generation circuit includes a resonant circuit that includes at least one inductive element constructed of litz wire.
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Citations
25 Claims
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1. A medical instrument comprising:
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a housing and a handle for gripping by a user, an end effector coupled to the handle and having at least one electrical contact; a battery; a radio frequency (RF) generation circuit coupled to and operated by the battery and operable to generate an RF drive signal and to provide the RF drive signal to the at least one electrical contact, wherein the RF generation circuit is supported by the housing; wherein the RF generation circuit comprises a resonant circuit comprising at least one inductive element constructed of litz wire. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A medical instrument comprising:
a battery operated radio frequency (RF) generation circuit operable to generate an RF drive signal and to provide the RF drive signal to the at least one electrical contact, wherein the RF generation circuit comprises a resonant circuit comprising at least one inductive element constructed of litz wire. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A medical instrument comprising:
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a battery operated radio frequency (RF) generation circuit operable to generate an RF drive signal and to provide the RF drive signal to the at least one electrical contact; and a control circuit configured to vary the duty cycle of the RF drive signal; wherein the RF generation circuit comprises a resonant circuit comprising at least one inductive element constructed of litz wire. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification