EP4505844A1 - Elektrische medizinische vorrichtung mit einer antenne - Google Patents
Elektrische medizinische vorrichtung mit einer antenneInfo
- Publication number
- EP4505844A1 EP4505844A1 EP23717157.4A EP23717157A EP4505844A1 EP 4505844 A1 EP4505844 A1 EP 4505844A1 EP 23717157 A EP23717157 A EP 23717157A EP 4505844 A1 EP4505844 A1 EP 4505844A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- housing
- table device
- front panel
- medical table
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/006—Casings specially adapted for signal processing applications, e.g. CATV, tuner, antennas amplifier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
Definitions
- the present disclosure relates to an electrical medical device with an antenna for wireless communication.
- the communication device can be designed as a wireless communication device be.
- EMC regulations electromechanical compatibility regulations
- EMC-tight device housings An example of such regulations is the standard EN 60601 -1-2:2015 + A1:2021, which formulates EMC requirements for medical electrical devices.
- radio antennas of the communication device are contacted from the outside of the medical device.
- the antennas are mounted in antenna connections designed for the antennas in the device housing or external communication devices are provided which are connected to the medical device via a cable.
- a disadvantage of the state of the art is that antennas that can be contacted from the outside can be forgotten, especially when preparing for an operation. In addition, such antennas can be damaged or broken by protruding from the device housing when the medical device is being transported. Another disadvantage is that the antennas contacted from the outside create edges and joints that are difficult to clean, which can act as a breeding ground for germs and bacteria and thus endanger patient health and patient safety, especially in an operating environment.
- the object of the present disclosure is therefore to eliminate or at least reduce the disadvantages of the prior art. Specifically, it is the object of the present invention to provide an electrical medical device, in particular a table device, which meets the EMC regulations without the disadvantages of one of externally contacted antenna and/or the problems resulting from increasing housing dimensions.
- the basic idea of the invention is essentially to identify a position within the housing of a medical electrical device in the form of a tabletop device (e.g. infusion or syringe pump or similar devices).
- a tabletop device e.g. infusion or syringe pump or similar devices.
- - is suitable in terms of its spatial conditions for the accommodation/installation of one or more antennas
- the idea of the invention is to shield an area within the already existing housing that is not or only slightly shielded from the outside and to equip the housing area that is thus shielded from the inside with at least one antenna for data communication to the outside of the housing.
- This at least one antenna can be wired to electronics within the housing but outside of this area and thus shielded from the at least one antenna.
- the housing front panel of such a medical device (device) in the form of a tabletop device generally has displays and/or operating elements and therefore has little or no shielding effect, at least in these areas.
- a compartment separated from the rest of the housing space by a shield is predestined to accommodate at least one antenna directly behind such a housing front panel.
- Housing parts can also protrude over side or rear walls/back plates and therefore lie outside the inner shielding of the housing. This Projecting housing parts can then be used to accommodate at least one antenna.
- a medical device or a medical device in the form of the table device with a housing containing a front panel and / or a back panel and a wireless communication unit, which is formed or arranged in the (within the) housing (s). and which has at least one antenna.
- the housing contains/comprises (spatially) at least one essentially EMC-tight housing section (in which the communication unit is arranged with the exception of the antenna) and at least one EMC-permeable housing section.
- the at least one antenna of the wireless communication unit is formed or arranged in the at least one EMC-permeable housing section within the housing.
- a table device is to be understood as meaning a medical device with a closed housing, which is suitable for being operated on a surface, such as a table, or inserted/installed in a rack or the like.
- the table device can be, for example, a motor control device, a pump or the like, which is operated individually or as a group in the rack.
- the medical device in the form of the table device contains the preferably cuboid housing, which has a front panel facing an operator and/or a back panel facing away from an operator.
- the wireless communication unit and the at least one antenna connected to the wireless communication unit are formed or arranged in the housing.
- (electrical) components essential for the function of the medical device are formed or arranged in the housing.
- the housing contains (spatially encompasses) the at least one EMC-tight housing section, which is formed, for example, from metal or from metallized plastic components.
- EMC tight means that electromagnetic waves, such as light or high-energy microwaves, cannot pass through the EMC-tight housing section.
- Under Metallized plastic components can be understood to mean both plastic parts that are coated with a metal layer and plastic parts that contain metal particles incorporated into the plastic.
- the components essential for the function of the medical device are preferably spatially surrounded by the at least one EMC-tight housing section.
- the housing spatially contains at least one EMC-permeable housing section.
- EMC permeable means that electromagnetic waves, in particular radio waves/radio waves, can pass through the EMC permeable housing section.
- the radio waves can be Bluetooth, WLAN/radio network according to an IEEE 802.11 standard or any other type of radio waves that are designed to transmit data wirelessly.
- the antenna connected to the wireless communication unit by cable is provided and designed to receive and/or emit the radio waves.
- the antenna is arranged in the immediate vicinity of the EMC-permeable housing section in an interior of the housing.
- the housing with at least one EMC-tight housing section, the components relevant to EMC can be reliably protected from electromagnetic radiation and thus from impairment of their function by the electromagnetic radiation.
- the housing By forming/placing the at least one antenna in the interior of the housing, the housing can be designed with a surface that is as flat as possible and beads and edges in which dirt, germs and bacteria can adhere and multiply can be avoided. Damage and/or forgetting of the antennas, for example before the start of the operation, can also be prevented. Since the at least one antenna is formed in the at least one EMC-permeable housing section, a reliable function of the wireless communication unit can be ensured.
- the core of the invention is therefore the electrical medical device in the form of the table device with both the at least one EMC-permeable housing section and the at least one EMC-tight housing section to form, wherein the at least one antenna of the wireless communication unit is formed/placed in the at least one EMC-permeable housing section.
- the at least one antenna can be shielded with a shielding plate in a direction towards an interior of the housing.
- the at least one antenna can be enclosed by the shielding plate and the EMC-permeable housing section, with the shielding plate shielding the at least one antenna from the interior of the housing.
- the shielding plate can be made of metal or metallized plastic components.
- the shielding plate can prevent the electromagnetic radiation from an environment surrounding the medical device from penetrating into the interior of the housing through the at least one EMC-permeable housing section and the at least one antenna and restricting the function of the components essential for the function of the medical device or disturbs and thus endangers patient safety.
- it can also be prevented that electromagnetic radiation emanating from the at least one antenna penetrates into the interior of the housing and restricts or disrupts the function of the components essential for the function of the medical device and thus endangers patient safety.
- the at least one antenna and the wireless communication unit can be connected to one another using a cable guided through a hole in the shielding plate.
- the shielding plate can have a cable feedthrough in the form of the hole.
- a diameter of the hole can essentially correspond to a cable diameter.
- the diameter of the hole can be slightly larger than the cable diameter.
- the at least one EMC-permeable housing section can be formed in a frame of the housing and the at least one antenna can preferably be formed in a frame indentation of the frame.
- the housing can have the frame formed on the (outer) edges of the housing.
- the frame can protrude/protrude from the housing.
- the frame can be made entirely or partially from the EMC-permeable material and thus form the EMC-permeable housing section.
- frame indentations can preferably be formed that are coordinated with a geometry of the antenna and are provided and designed to accommodate the at least one antenna.
- the frame can also be formed exclusively in the frame indentations from the EMC-permeable housing section.
- the at least one antenna can be arranged in a position that is favorable for transmitting and receiving the radio waves.
- the at least one antenna can be fixed in a form-fitting manner in the frame or in the EMC-permeable housing section. In this way, slipping of the at least one antenna can be prevented and constant reception and transmission power can be guaranteed.
- the medical device in the form of the table device can contain a display unit in the front panel, preferably in the form of a screen, and the at least one antenna can be formed/arranged on an inner surface of the front panel facing the interior of the housing.
- the at least one antenna can be formed on a rear side of the front panel.
- the at least one antenna can be formed on a rear side of the display unit.
- the medical device When using the medical device in the form of the table device in everyday hospital life, it is normally aligned with the front panel containing the display unit in a direction towards the center of the room so that a user can easily read content that is output via the display unit or if the display unit is a touch-sensitive screen to allow the user to make settings on the medical device. If the at least one antenna is formed on the front panel, it is ensured that the antenna is positioned as far as possible in the direction towards the center of the room, which improves the reception and transmission performance of the antenna and thus of the wireless communication unit.
- the front panel can be made of glass, among other things, and the at least one antenna can be fixed to the front panel in a materially bonded manner.
- the front panel can be made of a glass material, in particular in an area of the display unit and/or in an area in which the at least one antenna is fixed to the front panel.
- the at least one antenna can preferably be glued flat to the front panel.
- the reception and transmission performance can be improved.
- the at least one antenna can be formed in a front frame section of the frame, preferably in the frame recess, below the front panel.
- the frame can form the front frame section, which is arranged below the front panel.
- the at least one antenna can be formed in the front frame section, which is arranged essentially on a plane of a floor of the medical device.
- the medical device When using the medical device in the form of the table device, it is normally aligned with the front panel containing the display unit in a direction towards the center of the room so that the user can easily read content that is output via the display unit.
- the at least one antenna is formed in the front frame below the front panel, it is ensured that the antenna is positioned as far as possible in the direction towards the center of the room, which improves the reception and transmission performance.
- the housing section formed from the EMC-permeable material is arranged as far away as possible from the components essential for the function of the medical device.
- the at least one antenna can be flat and aligned essentially normal to the front panel.
- the at least one antenna can be oriented essentially parallel to the ground.
- the at least one antenna can be formed in a rear frame section, preferably in the frame recess, which surrounds a rear side of the housing opposite the front panel, and the rear frame section can be designed to be further away from the front panel than the rear side.
- the back frame portion may at least partially encompass the back of the housing and protrude from the back in a direction normal to the back, such that the back frame portion forms the portion of the housing furthest from the front panel.
- a frame indentation for receiving the at least one antenna can optionally be formed in the rear frame section.
- the back frame section can form an LI shape that is open to a cover plate of the medical device.
- the reception and transmission performance of the at least one antenna can be improved.
- the protrusion can prevent or at least reduce impairment of the reception and transmission power caused by the housing itself.
- the at least one antenna can be flat and aligned essentially parallel to the front panel.
- At least two antennas can be formed in the medical device, wherein the two antennas can be arranged oriented at an angle of 90° to one another.
- the at least two antennas can be arranged on EMC-permeable housing sections that are different from one another.
- the first antenna can be arranged below the front panel and the second antenna can be arranged in the rear frame section projecting from the housing.
- a plurality of antennas may be formed in the housing.
- the at least one EMC-permeable housing section of the housing can be smaller than the at least one EMC-tight housing section of the housing.
- a total of the EMC-permeable housing sections of the housing can be smaller than a total of the EMC-tight housing sections of the housing.
- the data that is transferred via the at least one antenna and the communication unit can be statistics, control programs, treatment protocols and the like.
- the at least one antenna can be a W-LAN antenna.
- the at least one antenna can be a Bluetooth antenna.
- the at least one antenna can be a mobile radio antenna.
- the frame can be made of plastic.
- the at least one antenna can be formed above the display unit on the front panel
- At least two antennas can be formed in the medical table device.
- the two antennas can be arranged oriented at an angle of 90° to one another.
- the at least two antennas can be arranged on different, preferably spaced apart, EMC-permeable housing sections.
- the housing can contain a base that forms a standing surface for the medical tabletop device.
- the housing may include a cover plate and the front plate may be disposed substantially between the cover plate and the base.
- FIG. 1 is a perspective view of a tabletop medical device in accordance with the present disclosure
- Fig. 2 is a first sectional view of the medical device according to a first embodiment
- Fig. 3 is a second sectional view of the medical device according to the first embodiment
- Fig. 4 is a perspective view of the medical device according to a second embodiment without a cover plate
- 5 is an enlarged sectional view of the medical device according to a third embodiment
- 6 is a perspective view of the medical device according to the third embodiment without a cover plate and without a rear frame geometry.
- Fig. 1 shows an electrical medical device 1 in the form of a table device, here in the form of a motor control device, for example for driving and controlling a medical drill, with a housing 3.
- the housing 3 essentially has a cuboid geometry and includes a top side a cover plate 5, on an underside a floor 7, two side walls 9, a back 11 and a front panel 13.
- the side walls 9, the back 11 and the front panel 13 are essentially arranged between the cover plate 5 and the floor 7.
- the front panel 13 contains connections 15, a function key 17 and a screen 19.
- Frame geometries 21 are formed on the edges of the housing 3. Transitions between the cover plate 5, the side walls 9, the back 11, the front plate 13 and the floor 7 are to be understood as edges.
- the floor 7 forms a standing area for the medical device 1.
- the side walls 9 and the back 11 are oriented essentially normal to the cover plate 5 and the floor 7.
- the housing 3 is essentially made of an EMC-tight material.
- a metal or a metallized plastic (TSG material) or the like can be used as an EMC-tight material.
- the frame geometries 21 are EMC permeable in defined areas. This means that the frame geometries 21 are not metallized in the defined areas or are not made of metal.
- the 2 shows the electrical medical device 1 in a first section in a height direction of the medical device 1 in a first embodiment.
- the height direction is to be understood as a direction between the floor 7 and the cover plate 5.
- the cut is arranged parallel to the side walls 9.
- the screen 19 is embedded in the front panel 13.
- the front panel 13 is angled to make the screen 19 easier to read.
- the front panel 13 is oriented at a (slight) angle of inclination to a normal of the cover panel 5 and the base 7.
- Electrical components 23, which are essential for the function of the medical device 1, are formed in an interior space enclosed by the housing 3.
- the electrical components 23 are protected by the EMC-tight housing 3 of the medical device 1 from being influenced or disrupted by electromagnetic disturbances emanating from an environment surrounding the medical device.
- the EMC-tight housing 3 simultaneously prevents the electrical components 23 from emitting electromagnetic interference into the environment.
- the medical device 1 further includes a wireless communication module 25 (compare FIG. 3 or FIG. 4).
- the wireless communication module 25 is provided and formed via antennas 27 data between the medical device 1, in particular the electrical components 23 of the medical device 1, and individual devices, device systems, hospital information systems and external IT systems (cloud , online connection to the device manufacturer and the like) to be exchanged/transferred wirelessly.
- the communication module 25 is connected to the antennas 27 via cables (not shown).
- the antennas 27 are formed below the screen 19 in the frame geometry 21.
- the antennas 27 in the first embodiment are formed essentially parallel to the floor 7 in frame indentations.
- the frame indentations are free spaces in the frame geometry 21.
- the antennas 27 are exclusively through the frame geometry 21, which for electromagnetic radiation, in particular for radio waves, which are emitted by the antennas 27, is limited.
- the antennas 27 are shielded by shielding plates 29.
- the shielding plates 29 ensure that EMC protection of the electrical components 23 is also guaranteed through areas in which the antennas 27 are formed.
- the communication module 25 is screwed onto a main board 31 in the interior of the medical device 1 normal to the main board 31.
- the back 11 contains a power plug 33, which is connected to the main board 31 and supplies the electrical components 23 and the communication module 25 with electrical energy.
- the two antennas 27 of the first embodiment shown here are formed as far as possible from the interior of the medical device 1 in the frame geometry 21 of the front panel 13 below the screen 19. In this way, the largest possible radiation range can be ensured by the antennas 27.
- the two antennas 27 are glued to the frame geometry 21. In the first embodiment shown in FIG. 3, the antennas 27 are arranged essentially symmetrically to a center of the front panel 13.
- the two antennas 27 are attached to a back of the front panel 13.
- a surface of the front panel 13 that faces the interior of the medical device 1 is referred to as the back of the front panel 13.
- the antennas 27 are attached to the back of the front panel 13 by means of adhesive.
- the front panel 13 is made of glass.
- the front panel 13 is therefore transparent to the electromagnetic rays, in particular to the radio waves, which are received and emitted by the antennas 27.
- the antennas 27 are also shielded in the second embodiment with shielding plates in a direction towards the interior of the medical device 1. The shielding plates are not shown in FIG. 4 for better illustration.
- the two antennas 27 are fixed at an angle of 90° to each other on the back of the front panel 13.
- FIG. 5 shows the electrical medical device 1 in a section in the direction parallel to the side wall 9 in a third embodiment. More precisely, an enlarged section of the section in a rear section of the medical device 1 near the rear 11 is shown in FIG.
- the frame geometry 21 protrudes from the medical device 1 in a direction normal to the back 11.
- the frame geometry 21 frames the back 11 in an i-shape.
- the frame indentation is formed in the frame geometry 21, which accommodates the antenna 27 between the frame geometry 21, which is permeable to the electromagnetic rays, in particular for the radio waves of the antenna 27, and the shielding plate 29, which is impermeable to the electromagnetic rays, in particular for the radio waves of the antenna 27 .
- the antenna is positioned exposed relative to the back 11.
- the antenna 27 is aligned essentially parallel to the floor 7.
- the antenna 27 is glued to the shielding plate 29. More precisely, the antenna 27 is glued to the shielding plate on a side of the shielding plate 29 facing away from the interior of the medical device 1.
- the shielding plate 29 contains cable bushings 35 through which the cable connecting the antenna 27 to the communication unit 25 is guided without reducing the EMC protection of the electrical components 23 arranged in the interior of the medical device 1.
- the antenna can be formed in the frame geometry between the side wall and the cover plate. In a further alternative embodiment, not shown, the antenna can be formed above the screen in the front panel.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Support Of Aerials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022108255.5A DE102022108255A1 (de) | 2022-04-06 | 2022-04-06 | Elektrische medizinische Vorrichtung mit einer Antenne |
| PCT/EP2023/058996 WO2023194471A1 (de) | 2022-04-06 | 2023-04-05 | Elektrische medizinische vorrichtung mit einer antenne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4505844A1 true EP4505844A1 (de) | 2025-02-12 |
Family
ID=86007768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23717157.4A Pending EP4505844A1 (de) | 2022-04-06 | 2023-04-05 | Elektrische medizinische vorrichtung mit einer antenne |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250246794A1 (de) |
| EP (1) | EP4505844A1 (de) |
| JP (1) | JP2025511738A (de) |
| DE (1) | DE102022108255A1 (de) |
| WO (1) | WO2023194471A1 (de) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9259591B2 (en) | 2007-12-28 | 2016-02-16 | Cyberonics, Inc. | Housing for an implantable medical device |
| DE102012100882A1 (de) * | 2012-02-02 | 2013-08-08 | Aesculap Ag | Gehäuse zur Aufnahme von elektrischen und/oder elektronischen Bauteilen |
| DE202012005808U1 (de) * | 2012-06-12 | 2012-10-10 | Health & Life Co., Ltd. | Antenne eines medizinischen Geräts für Nahfeld-Kommunikation |
| KR102447757B1 (ko) | 2015-11-06 | 2022-09-27 | 삼성전자주식회사 | 안테나 장치 및 그것을 포함하는 전자 장치 |
| EP3299044B1 (de) * | 2016-09-22 | 2020-12-02 | Berlin Heart GmbH | Medizinisches gerät |
| DE202018103164U1 (de) * | 2018-06-06 | 2019-09-09 | Sma Solar Technology Ag | Elektrisches oder elektronisches Gerät umfassend ein Gehäuse mit zwei untereinander elektromagnetisch abgeschirmten Bereichen |
| CN111682307A (zh) | 2019-03-11 | 2020-09-18 | 夏普株式会社 | 天线装置及具有该天线装置的显示装置 |
| US11207025B1 (en) | 2021-01-28 | 2021-12-28 | Anexa Labs Llc | Multi-sided PCB for contact sensing |
| DE102021127113A1 (de) * | 2021-10-19 | 2023-04-20 | B. Braun Melsungen Aktiengesellschaft | Drahtloses Kommunikationsmodul für medizinische Fluidpumpe |
-
2022
- 2022-04-06 DE DE102022108255.5A patent/DE102022108255A1/de active Pending
-
2023
- 2023-04-05 JP JP2024559184A patent/JP2025511738A/ja active Pending
- 2023-04-05 WO PCT/EP2023/058996 patent/WO2023194471A1/de not_active Ceased
- 2023-04-05 US US18/854,531 patent/US20250246794A1/en active Pending
- 2023-04-05 EP EP23717157.4A patent/EP4505844A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2025511738A (ja) | 2025-04-16 |
| US20250246794A1 (en) | 2025-07-31 |
| WO2023194471A1 (de) | 2023-10-12 |
| DE102022108255A1 (de) | 2023-10-12 |
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