TWI767454B - A harmonic scalpel device and harmonic scalpel system - Google Patents

Abstract

A harmonic scalpel system comprises a harmonic scalpel device and a charging dock. The harmonic scalpel device comprises a converter configured to perform energy transformation and a power module coupled to the converter and configured to provide power to the converter. The power module has a first control unit stored a battery information. The charging dock has a second control unit. When the power module inserted to the charging dock, the second control unit reads the battery information. When the battery information overed a first threshold, the charging dock enters an alert status.

Description

Harmonic knife device and harmonic knife system

The present invention relates to a harmonic knife device and a harmonic knife system. Especially with regard to harmonic knife devices and harmonic knife systems with control elements for power modules or charging bases.

The harmonic knife device and system can provide functions such as cutting or hemostasis during the operation. The electrical energy is converted into mechanical energy and supplied to the cutter head through a converter for energy conversion to achieve the effect of cutting tissue or hemostasis. The Harmonic Knife device can also be used in minimally invasive surgery, for example, so that the recipient can recover faster after surgery.

However, like general medical equipment, the harmonic knife device and system also need to consider reliability and safety issues. The loss of consumables on the harmonic knife device, such as the efficiency of the converter and the degree of battery power supply, will affect the safety and reliability of the harmonic knife device. Therefore, how to effectively monitor or control the consumables used in the harmonic knife device will be a major focus of research in this field.

The present invention provides a harmonic knife system including a harmonic knife device and a charging stand. The harmonic knife device includes a converter for energy conversion and is coupled to the converter and provides electrical energy to the converter the power module of the device. The power module has a first control element, and the first control element stores a battery information. The charging base is used for charging after the power module is inserted, and the charging base has a second control element. When the power module is inserted into the charging base, the second control element reads the battery information. When the battery information exceeds a first threshold, the charging stand enters a warning state.

A harmonic knife system includes a harmonic knife device and a charging base. The harmonic knife device includes a converter for energy conversion and a power module coupled to the converter and providing electrical energy to the converter. The converter includes a third control element that provides a status information. The power module has a first control element, and the first control element stores the state information. The charging base is used for charging after the power module is inserted, and the charging base has a second control element. Wherein, when the power module is inserted into the charging base, the second control element reads the state information. When the state information exceeds a second threshold, the charging stand enters a warning state.

A harmonic knife device includes a converter, a power module and a warning element. The converter includes a conversion unit for performing energy conversion and a third control element coupled to the conversion unit for monitoring a state information of the conversion unit. The power module is coupled to the converter and provides power to the converter. The warning element is coupled to the third control element. Wherein, when the state information exceeds a second threshold, the warning element sends out a warning.

As mentioned above, the purpose of managing consumables is achieved through the interactive communication or control of the control elements disposed on the conversion unit, the power module and the charging stand. And when the consumables cannot provide the expected performance or exceed the age, it can also remind the user. Avoid unnecessary risks during use.

1: Harmonic knife system

10: Harmonic knife device

12: Converter

121: Conversion unit

122, 142, 202: Control elements

123: Push-Pull DC-AC Amplifier

14: Power Module

141: Battery

143: DC-DC Converters

16: Harmonic knife blade

161: Body Structure

1611: Power switch

1612: Blade handle

162: Blade structure

1621: Extensions

1622: Blade

20: Charging stand

201: Slot

204: read interface

30: Electronic Devices

BI:Battery Information

SI: Status Information

Figure 1 is a schematic diagram of the harmonic knife system.

FIG. 2 is a schematic diagram of the operation and transmission of the power module and the charging stand in the first embodiment of the present invention.

FIG. 3 is a schematic diagram of a converter, a power module and a charging stand in a second embodiment of the present invention.

FIG. 4 is a schematic diagram of the internal functional blocks of the converter and the power module according to the third embodiment of the present invention.

FIG. 5 is a schematic diagram of the transmission between the charging stand and the electronic device in the fourth embodiment of the present invention.

The following will clearly illustrate the spirit of the present disclosure with drawings and detailed descriptions. Anyone with ordinary knowledge in the technical field, after understanding the embodiments of the present disclosure, can make changes and modifications by the techniques taught in the present disclosure. It does not depart from the spirit and scope of this disclosure.

The terms "first", "second", . operate. The terms "comprising", "including", "having", "containing", etc. used in this document are all open-ended terms, meaning including but not limited to.

With regard to the terms used in this document, unless otherwise specified, each term generally has the ordinary meaning of each term used in the field, in the content disclosed herein, and in the specific content. Certain terms used to describe the present disclosure are discussed below or elsewhere in this specification to provide those skilled in the art with additional guidance in describing the present disclosure.

In the drawings, the thickness of layers, panels, regions or spaces, etc., are exaggerated for clarity. The same reference numerals refer to the same elements throughout the specification. It will be understood that when an element such as a layer, panel, region or space is referred to as being "on" or "connected to" another element, it can be referred to as be interpreted as being directly on or connected to another element, or may be interpreted as having or the presence of intervening elements between an element and another element. "Connected" or "coupled" as used herein may refer to physical and/or electrical connections. Furthermore, well-known structures or elements in the drawings may be drawn in a simplified schematic manner or presented in an omitted manner in order to simplify the drawings and to highlight the contents to be presented in the drawings.

Please refer to FIG. 1 , which is a schematic diagram of a harmonic knife system 1 . The harmonic knife system 1 includes a harmonic knife device 10 and a charging stand 20 . The harmonic knife device 10 includes a converter 12 , a power module 14 and a harmonic knife body 16 . The converter 12 is used for energy conversion, for example, converting the electrical energy provided by the power module into mechanical energy (such as vibration) and providing it to the cutter head for performing operations such as cutting or hemostasis. Preferably, the converter includes a conversion unit for energy conversion, and the material of the conversion unit can be piezoelectric material such as but not limited to lead zirconium titanate (PZT). The converter 12 can be used in combination with the harmonic knife blade body 16 in the form of a plug-in or a module, so that the operations such as replacement or sterilization can be facilitated. The converter 12 is preferably reusable, but if it encounters problems such as exceeding the service life, decreasing conversion efficiency, or being damaged due to external impact, it needs to be replaced to maintain the performance of the harmonic knife device 10 .

The power module 14 may include, for example, a battery or battery pack and a power management system (BMS). The battery is, for example, but not limited to, a rechargeable battery such as a lithium battery. In addition, the present invention is not limited to the number of batteries, for example, a battery pack can be formed by connecting a plurality of batteries in parallel or in series and then encapsulating them according to usage requirements. The power management system can, for example, control the charging and discharging states of the power module through a microprocessor (MCU), so as to avoid situations such as battery damage caused by overcharging or overdischarging. The power module 14 can be used in combination with the harmonic blade body 16 in the form of a plug-in or a module, and is preferably reused. However, if it encounters problems such as exceeding the service life, declining charging and discharging efficiency, or damage due to external force or sterilization, it needs to be replaced to maintain the stability of the power supply.

The harmonic blade blade 16 may include, for example, a body structure 161 and a blade structure 162 . The body structure 161 is used to integrate the converter 12 and the power module 14 and may have control structures such as a power switch 1611 and a tool head handle 1612 . The blade structure 162 has an extension portion 1621 and a blade head 1622 . The extension portion 1621 can extend the distance between the cutter head 1622 and the body structure 161 , so that the harmonic knife device 10 can facilitate operations such as, but not limited to, minimally invasive surgery. When the user presses the power switch 1611 , the power module 14 will provide power to the converter 12 , and the converter 12 can generate high-frequency (eg, but not limited to, 55k~56k Hz) vibration after obtaining the power, which is transmitted to the converter 12 through the extension 1621 . Blade 1622. The user can also control the opening and closing of the cutter head 1622 through the cutter head handle 1612 to grasp objects. The blade body structure 162 can be detachably combined with the body structure 161, and the blade body structure 162 is preferably disposable, so as to avoid problems such as infection of the subject caused by incomplete disinfection or sterilization.

The charging base 20 and the harmonic knife device 10 can be disposed separately, and there are a plurality of slots 201 on the charging base 20 for charging the power module 14 after being inserted. It should be noted that, the harmonic knife system 1 shown in FIG. 1 is only for illustrating the relationship and general function of various components, and is not intended to limit the present invention.

Please refer to FIG. 2, which illustrates the first embodiment of the present invention. The power module 14 has a battery 141 and a first control element 142 . The first control element 142 is, for example, but not limited to, a microprocessor or a Field Programmable Logic Gate Array (FPGA). The first control element 142 stores the battery information BI, for example, through an external memory or register (not shown in FIG. 2 ) or a memory element inside the first control element 142 to store the battery information BI. The battery information BI is, for example, but not limited to, the accumulative charging or discharging hours (use hours) of the power module 14 , charging efficiency (eg, voltage or current rising curve during charging), or the number of charging and discharging times. It should be noted that the above-mentioned battery information BI is only an example and is not intended to limit the present invention. The battery information BI can also be information related to the safety of the power module 14, for example, the temperature record of the power module 14 during charging and discharging or power module 14 The number of times the sterilization behavior was performed. When the power module 14 needs to be charged, the power module 14 will be inserted into the charging base 20 for charging.

The charging stand 20 has a second control element 202 . The second control element 202 is, for example, but not limited to, a microprocessor or an FPGA. When the power module 14 is inserted into the charging base 20, the second control element 202 reads the battery information BI. When the battery information BI exceeds the first threshold, the charging stand 20 enters an alert state. It should be noted that the unit of the first threshold is a value corresponding to the battery information. For example, when the battery information BI is the usage time, the unit of the first threshold is time. In addition, the warning state can be, for example, a state display that informs the user by emitting sound, light or vibration, or a composite state, such as a warning with sound and light at the same time. Preferably, when the charging stand 20 enters the warning state, the power supply can also be stopped. For example, when the battery information BI exceeds the first threshold, the charging stand 20 stops charging the power module 14 . It should be noted that, the charging base 20 may have a plurality of slots 201 for charging a plurality of power modules 14 , and the charging base 20 can interpret the battery information BI transmitted by each power module 14 to determine whether to provide power Module 14 is charged. Through the first embodiment, the reliability management of the power module 14 can be performed through the battery information BI transmitted by the power module 14 . In one embodiment, the second control element 202 calculates the status information SI of the converter according to the battery information BI; when the status information SI exceeds a second threshold, the charging stand 20 enters an alert state.

Please refer to FIG. 3 , which illustrates a second embodiment of the present invention. The converter 12 includes a third control element 122 (eg, a microprocessor or an FPGA) and a conversion unit 121. The third control element 122 provides status information SI. Specifically, the status information SI is, for example, but not limited to, the usage time of the converter 12 or the piezoelectric conversion efficiency. Preferably, the status information SI may include an identification signal, such as but not limited to the product number, batch number or identification ID of the converter. The power module 14 has a first control element 142, and the first control element 142 stores the state information SI. The charging stand 20 has a second control element 202 . When the power module 14 is inserted into the charging base 20, the second control element 202 reads the status information SI. When the state information SI exceeds the second threshold, the charging The electrical socket 20 enters the warning state. It should be noted that the unit of the second threshold is the value corresponding to the state information. Specifically, when the power module 14 is inserted into the charging base 20 , the charging base 20 can determine the current state of the converter 12 installed on the harmonic blade body 16 through the state information SI stored in the power module 14 , for example Whether it is still within the time limit of use or whether there is a problem of insufficient conversion efficiency. In this way, the user can be assisted in making judgments such as replacement or continued use through the warning state entered by the charging stand 20 .

Referring to FIG. 4 , the power module 14 may further include a DC-DC converter 143 . The converter 12 may further include an oscillator element OSC, a push-pull DC-AC amplifier 123, a filter Filter, a voltage amplifier VOP and a current amplifier IOP. The DC-DC converter 143 is coupled to the push-pull DC-AC amplifier 123 of the converter 12 and provides the boosted or stepped-down DC power to the push-pull DC-AC amplifier 123 . The push-pull DC-AC amplifier 123 converts the DC power into the AC power according to the AC signal provided by the third control element 122 and provides it to the conversion unit 121 . Preferably, the conversion unit 121 and the push-pull DC-AC amplifier 123 can be provided with filters to improve the signal quality. The voltage amplifier VOP and the current amplifier IOP can provide the feedback signal of the third control element 122 for the purpose of monitoring the efficiency of the converter 12, for example.

Please refer to FIG. 5 , which illustrates a third embodiment of the present invention. The charging stand 20 also includes a reading interface 204 . The reading interface 204 is, for example, a universal serial bus (USB), or a wireless transmission interface such as Bluetooth. The reading interface 204 is used by the electronic device 30 to read the battery information BI or the status information SI. It should be noted that the present invention is not limited to the setting position of the reading interface 204. The reading interface 204 can be arranged at any position on the charging base 20, and can also be set inside the charging base 20 to communicate with the electronic device through wireless transmission. 30 connections. The electronic device 30 is, for example, a computer or a mobile device. The user can manage the consumables of the harmonic knife device 10 by reading the battery information BI or the status information SI. Specifically, the second control element 202 of the charging base 20 can store at least one set of battery information BI or state information SI. When one group/multiple groups are read through the electronic device 30 When the battery information BI or the status information SI is obtained, the user can determine whether to replace or order consumables such as the converter 12 or the power module 14 . However, the above is only an example and is not intended to limit the present invention, and any application performed after reading the battery information BI or the status information SI through the electronic device 30 should fall within the scope of this embodiment.

In a fourth embodiment of the present invention, the present invention provides a harmonic knife device including a converter, a power module and a warning element. The converter includes a conversion unit for performing energy conversion and a third control element coupled to the conversion unit for monitoring state information of the conversion unit. The power module is coupled to the converter and provides power to the converter. The warning element is coupled to the third control element. Wherein, when the state information exceeds the second threshold, the warning element sends out a warning. The warning element is, for example, but not limited to, a light-emitting element, a sound-emitting element or a vibrating element. In addition, the present invention is not limited to the location of the warning element. For example, the warning element can be arranged on the body structure or outside the converter.

The present invention has been described by the above-mentioned related embodiments, however, the above-mentioned embodiments are only examples of implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and equivalent arrangements within the spirit and scope of the claims are intended to be included within the scope of the present invention.

1: Harmonic knife system

10: Harmonic knife device

12: Converter

14: Power Module

16: Harmonic knife blade

161: Body Structure

1611: Power switch

1612: Blade handle

162: Blade structure

1621: Extensions

1622: Blade

20: Charging stand

201: Slot

Claims (12)

A harmonic knife system, comprising: a harmonic knife device, including: a converter for energy conversion; and a power module, coupled to the converter and providing power to the converter, the power module It has a first control element, the first control element stores a battery information; and a charging base for charging after the power module is inserted, the charging base has a second control element; wherein, when the power module When the group is inserted into the charging stand, the second control element reads the battery information; wherein, when the battery information exceeds a first threshold, the charging stand enters a warning state; wherein the second control element reads the battery information according to the battery The information calculates a state information of the converter; when the state information exceeds a second threshold, the charging stand enters the warning state. The harmonic knife system of claim 1, wherein the battery information includes at least one of usage time, charging times and charging efficiency. The harmonic knife system of claim 1, wherein the status information includes usage time or conversion efficiency of the converter. The harmonic knife system as claimed in claim 1, wherein the warning state is to stop supplying power to the power module or to issue a warning signal. According to the harmonic knife system of claim 1, the charging base further includes a reading interface, and the reading interface is used for an electronic device to read the battery information. A harmonic knife system, including: a harmonic knife device, including: a converter for energy conversion, the converter includes a third control element, the third control element provides a state information; and A power module coupled to the converter and providing power to the converter, the power module has a first control element, the first control element stores the state information; and a charging base for supplying the power After the module is inserted and charged, the charging base has a second control element; wherein, when the power module is inserted into the charging base, the second control element reads the status information; wherein, when the status information exceeds When a second threshold is reached, the charging stand enters a warning state. The harmonic knife system of claim 6, wherein the status information includes a usage time or conversion efficiency of the converter. The harmonic knife system as claimed in claim 6, wherein the warning state is to stop supplying power to the power module or to issue a warning signal. According to the harmonic knife system of claim 6, the charging stand further includes a reading interface, and the reading interface is used for an electronic device to read the status information. A harmonic knife device, comprising: a converter, including: a conversion unit for energy conversion; and a third control element, coupled to the conversion unit, for monitoring a state information of the conversion unit; a a power module, coupled to the converter and providing power to the converter; and a warning element, coupled to the third control element; wherein, when the status information exceeds a second threshold, the warning element sends out a Warning. The harmonic knife device of claim 10, wherein the status information includes a usage time or conversion efficiency of the converter. The harmonic knife device of claim 10, wherein the warning is a light warning, vibration or sound.

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