EP3897442A1

EP3897442A1 - Integrated power unit (ipu)

Info

Publication number: EP3897442A1
Application number: EP19836491.1A
Authority: EP
Inventors: Roland-Alois Högerle; Uwe Mattes
Original assignee: Aesculap AG
Current assignee: Aesculap AG
Priority date: 2018-12-21
Filing date: 2019-12-20
Publication date: 2021-10-27
Also published as: DE102018133504A1; CN113164222A; US20220071639A1; WO2020127901A1; JP2022514904A

Abstract

The present invention relates to a power supply unit (1) for or of a surgical instrument (2) operated by an electric motor, comprising: a battery-receiving housing (3), which is separate from and spatially spaced apart from the surgical instrument (2) and is designed or provided with a fastening means or retainer (4) suitable for temporarily fastening or retaining the power supply unit (1) on a body part of an operator; at least one power supply unit (1), which is designed to supply power to at least one motor system (6) of the surgical instrument (2) connected to said power supply unit; a control and monitoring device (6), which is designed to perform and/or monitor at least one function; and/or a cable (7) and/or a cable connection point (8) for connecting the cable (7) in order to electrically couple the power supply unit (1) to a surgical instrument (2) for the operation of the motor system (6) of the surgical instrument and/or for the transfer of data and/or operating parameters.

Description

Integrated power unit IPU

description

Technical field

The present disclosure relates to a power supply unit for one or an electric motor-operated surgical instrument, preferably of the minimally invasive type, and to a surgical treatment system.

Background of the Invention

Similar to macro surgery, microsurgery systems should be able to be operated wirelessly, so that there is no connection from the sterile area, such as the operating field, to the non-sterile area. Such connections are currently cables / wires that form a bridge between the sterile area and the non-sterile area and, in the worst case, run across the operating room and pose a risk of falling for the hospital staff. This poses a considerable risk, such as a defect due to the cable being rolled over with a trolley and / or sick bed or the like. Likewise, the use of such

Lead lines to decoupling / uncoupling during operation. Another disadvantage of these lines is the necessary length of the respective lines / cables.

All known battery solutions currently do not meet the requirements of microsurgery, since the combination of the surgical instrument with the motor system connected to it or built into it to form a drive-integral handpiece and a battery additionally integrated in the handpiece does not meet the desired / required size , still meets the requirements for the weight of the handpiece. Ergonomics and good handling cannot be realized with an energy storage unit integrated in the handpiece. If the power supply unit and furthermore the necessary motor electronics, the operating elements and also the display for displaying certain motor and / or operating parameters are firmly connected to the handpiece or to this integrated, this is necessarily too heavy, too large and too bulky. A major disadvantage of the products / systems already on the market is that difficult microsurgical work cannot be carried out as usual.

State of the art

One of the prior art is already from WO 2016/161322 A1

Single cell power supply unit for a motorized surgical instrument (or system) is known which comprises a single cell power supply housing. A high-temperature battery cell is mechanically held in a center of the single-cell power supply housing and arranged in it. An electrical connector having a plurality of connector pins is configured to mate with a mating electrical connector of a tool part with a motor.

In principle, however, it is disadvantageous in this prior art that when using an (integrally formed) single-cell power supply unit for a motorized surgical instrument (or system), the size of the motor-operated surgical instrument (or system) is unacceptable and insufficient performance and reliability is present.

Brief description of the invention

The present invention is therefore based on the object

Power supply unit for one or an electric motor operated

surgical instrument (s) and a surgical treatment system

To provide, which avoids or at least improves the disadvantages of the prior art.

The essence of the present invention essentially consists in the (independent from a power supply) energy supply (unit) of one or for an electromotive operated surgical instrument separately and spatially spaced from it but still within a sterile range and preferably as close as possible to the surgical one Instrument. In other Expressed in words, the present invention in principle provides for the electrical motor / motor system of a surgical instrument to be arranged / installed in / on a handpiece of the instrument in accordance with the prior art, its control device, energy supply and, if appropriate, display for (visual) representation of, for example, motor characteristic numbers and / or to integrate / arrange operating parameters in / on a component which is separate and spatially spaced from the surgical instrument / its handle and which is preferably designed to be carried on the body of an instrument operator (surgeon who is holding the instrument in hand) , preferably in such a way that, during operation of the instrument, its control is operated manually and / or the display is shown visually by

Instrument operator can be read.

In this way, the (mass) weight and the structural size of the surgical instrument can be kept at a low level, as a result of which it can be used in particular in microsurgery, and at the same time a sterile barrier is not created by at least one cable, in particular a power supply cable or the like breached, which must be connected to an external power grid, for example.

In concrete terms, the object of the invention is achieved in that a

(Autarkic / power grid independent) energy supply unit is provided with a separate and spatially spaced from the surgical instrument

Battery receptacle housing which is designed or provided with a fastening means or a holder - adapted for temporarily fastening or holding the energy supply unit to a body part of an instrument operator. Furthermore, the energy supply unit is equipped with at least one energy storage unit which is used to supply energy to at least one motor system,

in particular an electric motor, a surgical instrument connected or connectable to it. In addition, the supply unit has one

(Own / internal) control and monitoring device preferably (at least partially) on an outside of the battery receptacle housing or with

Actuating means on the outside of the housing, the control and Monitoring device is designed to carry out and / or monitor at least one of the following functions:

- The control and monitoring unit can monitor / display an energy storage unit charge state and / or

- Switch on / off an energy supply to a surgical instrument connected to it and / or

- Data from the power supply unit to an additional external

Instrument actuation unit, preferably radio foot control or hand control receive and / or send and / or

- Operating parameters and operating signals to / from one of them

connected surgical instrument, preferably with respect to its motor system, and / or receive and / or

- Save data and / or operating parameters.

Furthermore, the energy supply unit is preferably provided with a (single)

Cable / wiring harness and / or a cable connector for connecting the

Cable / wiring harness for the electrical coupling of the energy supply unit with the surgical instrument for operating its electric motor and / or for transmitting the data and / or operating parameters

trained / provided.

In other words, it means that the entire supply of the

Motor system and the communication between the power supply unit and the motor-operated surgical instrument via exactly one cable / wiring harness runs / takes place. It is thus realized by the solution of the present invention that this cable does not form a bridge from the non-sterile area to the sterile area. In addition, by outsourcing the

Power supply and control from the handle of the surgical instrument (while maintaining the mobility of the power supply and control)

surgical instrument with an integrated motor system can be made smaller and more manageable than in the already known prior art and preferably the charging capacity of the energy supply unit can be increased. In that both the surgical instrument and the energy supply unit are located in the sterile area, no additional preparation is necessary and the entire structure can be stored in the sterile area, especially on the patient.

It is preferred if the energy supply unit is designed with a battery or an accumulator. It is more preferred to use a rechargeable battery which is rechargeable and is therefore both less expensive and more environmentally friendly than a battery. Another advantage of such an accumulator or such a battery can be this (as well as the control and

Monitoring device) from the energy supply unit or from its

To design the receptacle to be removable, so that the housing of the

Power supply unit can be sterilized, for example, without there being any risk of damage to the storage unit and control. Through such an embodiment, the energy storage unit can also in the absence of a

Patients, i.e. exchanged or charged in an offline operating mode.

More specifically, it is provided to provide a self-sufficient energy supply unit with an energy store, which has a battery receptacle housing

preferably attached to the wrist or forearm of an operator, particularly a surgeon, and thus with a relatively short cable to the

surgical instrument is connected.

It is further preferred if the external instrument actuation unit is designed as a hand control and / or as a radio foot control, which preferably communicates wirelessly with the power supply unit or the control and monitoring device installed therein for operating an application part inserted into the handpiece of the instrument . An application part is to be understood as a tool which is inserted into the handle of a surgical instrument with the motor system integrated therein. In other words, this means that application parts / handpieces (inserted tools), either by hand control or alternatively by foot control (via the control and

Monitoring device) can be operated. Ideally, everyone is technical advantages of the previously known cable-operated systems or systems connected to a mains connection can thus be used. Such technical advantages are, for example, an (automatic) application part / tool recognition

Data acquisition system and / or an assignment of a total operating time to a tool used.

It is further preferred if the energy supply unit has a display which is used to operate the energy supply unit and / or to display

Information serves. Because the power supply unit is adapted to be preferably attached / fixed to an operator's wrist or forearm, it is advantageous to mount the display on the top (the side facing away from the forearm) on the power supply unit

Battery housing to train / arrange. Due to the fixation in particular on the wrist or forearm of an operator of the surgical instrument, it is easy for the operator to keep an eye on the display, preferably according to a “control watch”, when he is holding the instrument in the (same) hand. Furthermore, the operator is easier to operate such a control watch by arranging it in its immediate vicinity and in the sterile area, additional additional separate (possibly non-sterile) components, such as a separate / additional control unit, being eliminated. This has the advantage that space in the operating room can be saved and all cables running through the operating room can be dispensed with in order to reduce tripping hazards and the risk of injury.

It is further preferred if the display shows the energy storage charge state and has buttons for switching the energy supply on and off. This makes it easier for the operator to operate and also monitor the control and monitoring unit of the energy supply unit.

It is further preferred if the fastener is the

Power supply unit as a sleeve, preferably with a

Velcro is formed. It is advantageous if the fastening means of the energy supply unit is designed in such a way that it attaches quickly and easily attached to the user / operator, ie his wrist or forearm, and can also be removed quickly and easily by the user / operator.

It is further preferred if the battery receptacle housing is designed to be fluid-tight, preferably to protect against splashing water. A longer lifespan of the energy storage unit integrated in the energy supply unit and existing control components can thus be guaranteed. Furthermore, individual components of the energy supply unit can be replaced more easily, thus reducing costs and material waste.

It is further preferred if the cable between the

Power supply unit and the surgical instrument just as long

is designed to the motor system within a / the handle or handpiece of a surgical instrument with the power supply unit

Connect the wrist / forearm of the surgeon who is holding the instrument. This short cable can reduce technical problems / faults, such as in the area of EMC and / or signal transmission.

It is further preferred if both the energy supply unit and the motor system and the application part (tool) or the surgical instrument can be stored in the sterile area. The entire system can thus also be stored on the patient, for example.

Furthermore, the present invention relates to a surgical

Treatment system with

- An electric motor operated surgical instrument, the

(Integrated) motor system, in particular electric motor, which is designed for operation by means of a (direct current) energy storage unit, is accommodated in a handpiece / handle of the instrument, at the proximal end or end region of which a cable connection or a cable for the

Energy supply at least for the engine system and / or for the

Transmission and / or operating parameters is designed or arranged and - A power supply unit with the features according to one of the above aspects.

Thus, the solution of the present invention meets the requirements of

Surgery, especially microsurgery, such as a minimal size, a minimal weight, good ergonomics and good handling / handling of the surgical instrument. The problems mentioned at the beginning of the energy supply, the engine electronics, the controls and a display that is fixed with the

Applied part is eliminated or at least reduced by the present invention.

Brief description of the figure

Fig. 1 is an illustration for illustrating the surgical

Treatment system according to the present disclosure.

Description of the embodiment

The following is a preferred embodiment of the present

Disclosure described in more detail on the basis of the associated figure. The figure is merely schematic in nature and is used to understand the invention. The same elements are designated with the same reference symbols.

Fig. 1 is an illustration for illustrating the surgical

Treatment system according to the present disclosure. 1 is one

Power supply unit 1 for an electric motor-operated surgical

Recognize instrument 2. The surgical instrument 2 is to the

Power supply unit 1 is formed separately and spatially from this

spaced. It has a preferably sleeve-shaped handle / handpiece 2a, in which a motor system (electric motor) 5 is accommodated, which via

Actuators on the handle (not shown) can be actuated. At the distal end / end section of the handle 2a, a receiving device for a tool (application part) 9 is usually provided, which is used by the motor system 5, for example is driven in rotation. A connector 8 for a cable 7 (cable harness) is arranged / formed at the proximal end / end section of the handle 2a, or the cable 7 (cable harness) is fixedly mounted on the handle 2a. In this respect, the present surgical instrument 2 corresponds to those already known from the prior art

Instruments of the present applicant itself, so that reference can be made to their instruments at this point.

The separate power supply unit 1 has a housing 3 for an energy storage unit 1 a (hereinafter simply as a battery housing)

referred to), which has a fastening means / a holder 4 or on which a fastening means / a holder 4 is mounted, for temporarily fastening / holding the energy supply unit 1, in particular on a body part

(Wrist / forearm) of an operator of the surgical instrument 2 is adapted. Furthermore, the energy supply unit 1 has the energy storage unit 1 a (inside the housing 3 and therefore not shown further), which is preferably an accumulator or a battery and for the energy supply at least that

Motor system 5 of a surgical instrument 2 just connected to it is designed. In addition, the energy supply unit 1 has a control and monitoring device 6, which is preferably arranged at least partially on an outside of the battery receptacle housing 3 (or its actuating means such as buttons and the like are arranged on an outside of the battery receptacle housing 3).

The power supply unit 1 is connected to the cable 7 via an im / am

Battery receptacle housing 3 designed / arranged further cable connection 8 coupled / connectable. The cable 7 and the cable connection 8 are used for the electrical coupling of the energy supply unit 1 to the surgical instrument 2 for operating its motor system 5 and / or for transmitting the data and / or operating parameters, in particular from the surgical instrument 2

Power supply unit 1.

Furthermore, it can be clearly seen from FIG. 1 that the tool / application part 9 is preferably a shaft tool which is suitable for the (manual) microsurgical Use is suitable. Ie, the surgical instrument 2 is intended to be guided during operation, in particular by hand, on the tool handle 5, the energy supply unit 1 coupled to the instrument 2 by cable 7 including the control and monitoring device 6, energy storage unit 1 a and display 10 installed therein the fastening means 4, preferably cuff or strap, is fixed on the wrist or forearm of the guiding hand. This can do that

easy to build surgical instrument 2 and thus easy to maneuver, at the same time the energy supply and control of the instrument 2 is guaranteed and finally the display 10 can be easily read. For this purpose, the energy supply unit 1 on the top (top of the

Battery holder housing 3) the display 10 preferably in the form of a

Digital display (touchscreen). An energy storage charge state, an on / off switch for the energy supply and an adjustment option, which is shown with plus or minus, for regulating the power to be supplied are integrated in the display 10.

Furthermore, FIG. 1 shows the attachment of the energy supply unit 1 to the forearm of the operator by means of the fastening means 4. In this case, the fastening means 4 is preferably a cuff which can further preferably be attached to the forearm like a watch or by means of a Velcro fastener.

Furthermore, it can be seen in Fig. 1 that the cable 7 from the

Power supply unit 1 to the motor system 5 of the surgical

Instrument 2 is just as short to electrically connect the power supply unit 1 to the motor-operated surgical instrument 2 without disturbing or hindering the operator when using the surgical instrument 2. Finally, an optional radio foot switch 11 is shown symbolically in FIG. 1, which is in radio contact with the energy supply unit 1 in order to regulate, for example, the speed of the motor system in the surgical instrument 2 (alternatively or in addition to the operating elements in the handle 2a).

Finally, it should be pointed out that this is shown

Embodiment relates to a manual surgical instrument, but replaces / supplements the handpiece, for example, with a mounting interface (quasi as Adapter), which is designed to be mechanically mounted on a robot arm. In this case, the energy supply unit can be temporarily fixed to the robot arm.

Reference symbol list power supply unit (1a energy storage) instrument

Battery holder housing

Bracket / fastening means

Engine system

Control and monitoring device

electric wire

Cable connection

Applied part

Display

Radio foot switch

Claims

Expectations

1. Power supply unit (1) for one or an electric motor

operated surgical instrument (2), preferably of the minimally invasive type, which is designed or provided as a separate component that is spaced apart from the surgical instrument (2)

- A fastener or a bracket (4) for a temporary

Fastening or holding the energy supply unit (1) to a body part of an operator of the surgical instrument (2) is adapted,

at least one energy storage unit (1a), which is designed to supply energy to at least one motor system (5), in particular an electric motor of the surgical instrument (2) connected to it, and which is accommodated in a receptacle housing (3) of the energy supply unit (1),

- A control and monitoring device (6) within the

Receiving housing (3), which is designed for at least one of the

perform and / or monitor the following functions

• monitor and / or display the energy storage unit charge state,

• Switching on / off an energy supply to one of them

connected surgical instrument (2),

Receiving and / or sending data to an external instrument actuation unit (11), preferably radio foot control or hand control,

• Output and / receive operating parameters and

Operating signals to / from a surgical instrument (2) connected to it, preferably with respect to its motor system (5),

• storage of data and / or operating parameters, and

- A cable (7) and / or a cable connection (8) for connecting the

Cable (7) for the electrical coupling of the energy supply unit (1) to a surgical instrument (2) for operating its motor system (5), in particular an electric motor, and / or for transmitting the data and / or operating parameters.

2. Power supply unit (1) according to claim 1, characterized in that the power supply unit (1) is equipped with a battery or as an accumulator (1a).

3. Power supply unit (1) according to claim 1 or 2, characterized

characterized in that the external instrument actuation unit (11) is designed as a manual control and / or as a radio foot control and the

preferably communicates wirelessly with the respective application part (9).

4. Power supply unit (1) according to one of claims 2 or 3,

characterized in that the energy supply unit (1) has a display (10) which is used to operate the energy supply unit (1) and to display information.

5. Energy supply unit (1) according to one of claims 2 to 4, characterized in that the display (10) shows the energy storage charge state and has buttons for switching the energy supply on and off.

6. Power supply unit (1) according to one of claims 2 to 5, characterized in that the fastening means (4) of the power supply unit (1) is preferably designed as a sleeve with a Velcro fastener.

7. Power supply unit (1) according to one of claims 2 to 6, characterized in that the battery receptacle housing (3) is designed to be fluid-tight, preferably to protect against splashing water.

8. Power supply unit (1) according to one of claims 2 to 7, characterized in that the cable (7) between the power supply unit (1) and the surgical instrument (2) is just as long to the

To connect the motor system (6) within a handle of the surgical instrument (2) to the energy supply unit (1) on the wrist or forearm of the operator.

9. Surgical treatment system with an electric motor-operated surgical instrument, its motor system, in particular

Electric motor, which is designed for operation by means of an energy storage unit, is accommodated in a handpiece, at the proximal end or end region of which a cable connection for the energy supply of at least the motor system and / or for the transmission of data and / or operating parameters is formed or arranged, and one Power supply unit with the features according to one of the preceding claims.

10. Surgical treatment system according to claim 9, characterized

characterized that the motor system is designed to be operated with a direct current.