Surgical devices and instruments with interchangeable power supplies

Abstract

A surgical device and its surgical instruments with a convertible power supply are disclosed. The surgical device includes a surgical instrument, an electrosurgical unit, and a main unit. The surgical instrument includes a housing, two electrosurgical power terminals disposed in the housing and electrically connected to the electrosurgical unit, a switch module disposed in the housing for outputting a switch signal, and a power circuit module disposed in the housing. The power circuit module has a first connection interface and a second connection interface. One of the first connection interface and the second connection interface is used to acquire electrical energy to transmit an operating current, to receive the switch signal and output it, and to transmit a drive current corresponding to the operating current to the electrosurgical unit. This allows the surgical instrument to connect to the main unit and input electrical energy in a wired or wireless manner.

Claims

1. A surgical instrument suitable for connecting to an electrosurgical unit, comprising: a housing; two electrosurgical power terminals disposed in the housing and adapted to electrically connect to the electrosurgical unit for providing power to the electrosurgical unit; a switch module disposed in the housing, including a switch circuit for transmitting a switch signal and a switch signal terminal group electrically connected to the switch circuit for outputting the switch signal; and a power circuit module disposed in the housing, including a first connection interface and a second connection interface spaced apart from the first connection interface, the first connection interface having two first power terminals, two first drive terminals, and a first switch terminal group, the first power terminals being configured to cooperate in transmitting an operating current, and the first drive terminals being respectively electrically connected to the electrosurgical power terminals for cooperating in transmitting a drive current corresponding to the operating current to the electrosurgical power terminals. The first switch terminal group is electrically connected to the switch signal terminal group for receiving and outputting the switch signal. The second connection interface has two second power terminals, two second drive terminals, and a second switch terminal group. The second power terminals are electrically connected to the first power terminals and are used to cooperate in transmitting the operating current. The second drive terminals are electrically connected to the electrosurgical power terminals and are used to cooperate in transmitting the drive current to the electrosurgical power terminals. The second switch terminal group is electrically connected to the switch signal terminal group for receiving and outputting the switch signal.

2. The surgical instrument as claimed in claim 1, wherein, The power circuit module also includes two internal electrical terminals that are electrically connected to the first power terminals and the second power terminals respectively. The internal electrical terminals are adapted to electrically connect to an internal battery cell that stores electrical energy and outputs the operating current through the internal electrical terminals under the action of a potential difference.

3. The surgical instrument as claimed in claim 2, wherein, The outer casing defines a battery compartment that is connected to the outside, and the internal battery cells are detachably disposed within the battery compartment.

4. The surgical instrument as described in claim 1 or 2, wherein, These second power terminals are also suitable for electrically connecting a plug-in cable unit, which is suitable for receiving electrical energy from the public and outputting the operating current from the second power terminals under the influence of a potential difference.

5. The surgical instrument as claimed in claim 4, wherein the plug and cable unit further includes a rectifier electrically connected to the second power terminals, the rectifier converting alternating current into direct current and outputting the operating current.

6. The surgical instrument as claimed in claim 1, wherein, These first power terminals are also adapted to detachably connect to a host unit, which is detachably connected to the housing and capable of receiving the operating current. The host unit is also detachably connected to the first drive terminals and used to output the drive current. The host unit is also detachably connected to the first switch terminal group and used to receive the switch signal from the first switch terminal group, so that the host unit outputs the drive current according to the operating current and the switch signal.

7. A surgical device with a convertible power supply, comprising: a surgical instrument as claimed in claim 1; a main unit electrically connected to the first power terminals or electrically connected to the second power terminals to receive the operating current, the main unit also electrically connected to the first drive terminals or the second drive terminals to output the drive current to the first drive terminals or the second drive terminals, the main unit also electrically connected to the first switch terminal group or the second switch terminal group to receive the switch signal from the first switch terminal group or the second switch terminal group, the main unit outputting the drive current according to the operating current and the switch signal; and an electrosurgical unit disposed in the housing and electrically connected to the electrosurgical power terminals.

8. The surgical device with a changeable power supply as claimed in claim 7 further includes a plug-and-wire unit electrically connected to the second power terminals, the main unit being electrically connected to the first power terminals, the plug-and-wire unit being adapted to receive electrical energy from the municipal power supply and to output operating current from the second power terminals under the influence of a potential difference, such that the operating current is transmitted to the main unit via the first power terminals.

9. The surgical device with a convertible power supply as described in claim 7 or 8 further includes an internal battery unit, the power circuit module further includes two internal electrical terminals respectively electrically connected to the first power terminals and respectively electrically connected to the second power terminals, the internal battery unit is electrically connected to the internal electrical terminals, the internal battery unit stores electrical energy, and the operating current is output from the internal electrical terminals under the action of a potential difference.

10. The surgical device with a changeable power supply as described in claim 8, wherein, The plug-wire unit includes a rectifier electrically connected to the second power terminals, which converts alternating current into direct current and outputs the operating current.

11. The surgical device with a changeable power supply as described in claim 7, wherein, The host unit includes a housing and a control circuit installed in the housing. The control circuit is electrically connected to the power terminals of the electrosurgical unit and the switch module via the first connection interface or the second connection interface.

12. The surgical device with a convertible power supply as claimed in claim 11 further includes an external battery unit electrically connected to the second connection interface, the external battery unit being installed inside the housing, including two external terminals electrically connected to the control circuit, and an external battery pack electrically connected to the external terminals, the external battery pack storing electrical energy and outputting the operating current to the control circuit from the external terminals under the action of a potential difference.

13. The surgical device with a changeable power supply as claimed in claim 11 or 12 further includes a plug-in cable unit electrically connected to the main unit, the plug-in cable unit being adapted to receive electrical energy from the local power supply and to output the operating current to the main unit under the influence of a potential difference.

14. The surgical device with a changeable power supply as described in claim 7, wherein, The electrosurgical unit includes a transducer and an electrosurgical unit connected to the transducer. The transducer has several piezoelectric ceramic plates, several electrode plates, a precursor block, and a rear precursor block. The piezoelectric ceramic plates are used to generate vibration waves. The number of piezoelectric ceramic plates is configured to be an even number and between 2 and 8. Each electrode plate is disposed between two adjacent piezoelectric ceramic plates. The precursor block and the rear precursor block hold the piezoelectric ceramic plates and the electrode plates and are used to guide the vibration waves. The electrosurgical unit can conduct the aforementioned vibration waves and vibrate.

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