EP4017400A1 - Support d'étiquette rfid intégré - Google Patents

Support d'étiquette rfid intégré

Info

Publication number
EP4017400A1
EP4017400A1 EP20760794.6A EP20760794A EP4017400A1 EP 4017400 A1 EP4017400 A1 EP 4017400A1 EP 20760794 A EP20760794 A EP 20760794A EP 4017400 A1 EP4017400 A1 EP 4017400A1
Authority
EP
European Patent Office
Prior art keywords
rfid tag
medical instrument
instrument
tag
opening
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
Application number
EP20760794.6A
Other languages
German (de)
English (en)
Inventor
Roland-Alois Högerle
Frederick Lenzenhuber
Ralf Pfister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aesculap AG
Original Assignee
Aesculap AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aesculap AG filed Critical Aesculap AG
Publication of EP4017400A1 publication Critical patent/EP4017400A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/90—Identification means for patients or instruments, e.g. tags
    • A61B90/98—Identification means for patients or instruments, e.g. tags using electromagnetic means, e.g. transponders
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00526—Methods of manufacturing

Definitions

  • the invention relates to a medical device for equipping a medical instrument with an RFID tag with a holder or RFID tag carrier, which is provided and adapted to receive an RFID tag.
  • the invention also relates to a medical treatment system and a method for assembly.
  • EP 3 193284 A1 discloses an RFID marking element for equipping surgical instruments, which can be subsequently applied to the surface of such a surgical instrument.
  • the RFID marking element consists of a metal frame with a non-conductive cover, in the interior of which an RFID chip is inserted. Furthermore, one side of the metal socket is attached to the surgical element, for example by welding.
  • WO 2015/177538 A1 likewise discloses an RFID tag arrangement in which a radio frequency-permeable cover is attached to a metal frame, an RFID chip being accommodated in the cavity which these two components form together.
  • the metal frame is subsequently attached to the surface of a surgical element.
  • RFID tags are comparatively small components
  • the RFID tag arrangements / devices subsequently applied in the prior art form additional surfaces for contamination and are also a hindrance when handling the surgical elements.
  • attached RFID tags can form gaps and cracks in which germs or the like can deposit, what is of course very unfavorable in medicine.
  • the retrofitted RFID tags restrict the handling of the ergonomically shaped surgical instruments and in the worst case can form corners and edges where a surgeon's glove can be damaged on contact or a hole or tear can develop.
  • Another disadvantage in the prior art is that passive RFID tags have to be brought a short distance from a reading device due to their sometimes short transmission range. For this reason, in the prior art it is often only possible to apply the RFID tags subsequently to an outer surface of a surgical instrument in order to keep the distance between the RFID chip and the reader as small as possible. For the reasons mentioned above, it is important to ensure that the outer surface provided for this purpose is located at an instrument location that has only a slight influence on the instrument handling and yet allows sufficient readout quality.
  • the object of the present invention is therefore to provide a medical device or a medical / surgical instrument (of any type) with an RFID tag, a medical treatment system and a method of assembly that is easy to use and safe to use on the instrument properties as such, as well as on the data transmission properties of the RFID tag.
  • a further object of the present invention is preferably to ensure good cleaning and / or sterilization of the device according to the invention / of the medical instrument equipped with it.
  • An additional object of the invention is furthermore preferably to ensure an improvement in the reception of RFID tags that have been attached.
  • the above object (s) is / are achieved by a medical device or a medical / surgical instrument having the features of claim 1.
  • the essence of the present invention consists essentially in the medical instrument to be equipped at an individually selected surface location (particularly suitable for interference-free data transfer) with a fold either in the form of a (instrument-integral) receiving pocket or recess, preferably in the form of a groove / slot or in the form of a preferably slot-shaped breakthrough in an instrument cavity located underneath, with a tag carrier / folder having the receiving pocket or recess, preferably in the form of a groove / slot, being inserted into this flea space.
  • the depth of the storage pocket with respect to the corresponding instrument surface and its (width / flea) dimensions are preferably selected so that a (single) RFID tag can be inserted / inserted into the storage pocket in the manner of a battery storage compartment, this being on its shell side closes (flush) at the most at the level of the corresponding instrument surface or even remains behind in relation to this level, ie is set back in the receiving pocket (so-called underfloor arrangement).
  • the surface structure of the instrument in the absence of the RFID tag protruding over the surface of the instrument remains essentially unaffected and the data transfer property nonetheless (maximally) retained.
  • the medical device thus has one that is integrated into the body of the medical instrument or that can be (additionally) inserted Holder, which is or forms the aforementioned receiving pocket which opens on the / a surface of the medical instrument and which is provided and adapted to receive at least one (single) RFID tag.
  • the medical device has the holder for at least one RFID tag, which is integrated into the medical instrument or (additionally) inserted within the medical instrument.
  • the holder according to the invention does not influence the normal (external) shape of the medical instrument by a subsequently attached RFID tag, but that the holder of the RFID tag is integrated or arranged below the / an outer surface of the medical instrument.
  • the holder is integrated / built in / designed / shaped into the housing / the shape / the structure / the body of the medical instrument (hereinafter only called “body”) (hereinafter only called “integrated”) ) or integrated / inserted within the body of the medical instrument.
  • the holder can be integrated as a single piece of material / from a single component together with the medical instrument, namely as a recess / cavity / groove / milling / cavity / pocket (hereinafter referred to as receiving pocket) in the body of the medical instrument itself (in which case the receiving pocket formed in the instrument body and a (tag insertion) opening formed on the surface of the instrument body are essentially adapted to the tag shape) or the holder can be inserted into the body of the medical device as a separate / separate component (tag carrier) Instrument (e.g.
  • the shape of the opening (signal passage) formed on the surface of the instrument body can be essentially universal, since the separate holder is already equipped with the tag is and the holder in the cavity of the medical instrument (if necessary via egg a separate access) was introduced).
  • the medical instrument or the instrument body or a part of the instrument itself can be designed with a tag receiving pocket as a holder, or a separate tag carrier with a
  • the receiving pocket formed therein can be provided as a holder which is / is inserted into a (possibly already existing) cavity in the medical instrument, the medical instrument in this case having an opening / breakthrough to this cavity, in the area of which the RFID tag comes to rest when the bracket is inserted.
  • the underfloor tag holder with the RFID tag is in particular surrounded by a separate metal screen with a signal-permeable aperture, at least in sections, the aperture forming the opening, in particular the radially outer opening, towards the instrument environment. This improves data transmission quality and increases a possible transmission distance.
  • the RFID tag is preferably always installed under the floor (i.e. set back from the surface of the instrument) so that the RFID tag is placed below the opening and not above it.
  • the medical instrument is preferably a surgical instrument, a monopolar HF instrument, a bipolar HF instrument, an ultrasound instrument, an electrosurgical or purely mechanical instrument, a surgical clip, a surgical clamp, a surgical forceps, a container, a surgical one Scissors, a scalpel and / or the like.
  • the medical instrument is particularly preferably a handpiece with an integrated motor and / or a tool that can be brought into coupling engagement with the handpiece.
  • the RFID tag is also preferably an RFID transponder for storing information associated with a specific object (in this case the medical instrument). This so-called “identifier” can be customized according to the requirements of the respective process.
  • the RFID tag preferably consists of:
  • At least one microchip preferably a few millimeters in diameter
  • At least one antenna preferably in the form of a coil
  • At least one carrier or housing wherein the housing is preferably watertight and / or airtight and preferably protects the transponder electronics from the environment
  • At least one energy source preferably a battery / accumulator or a capacitor.
  • the RFID tag of the invention is preferably a passive RFID tag.
  • the RFID tag also preferably has a (rod-shaped) ferrite core with a coil wound around it.
  • the RFID tag can preferably be designed in the form of an NFC tag or NFC chip (Near Field Communication).
  • the RFID tag is provided and adapted to store at least one of the following items of information, in particular encrypted, or is characterized by the following storage data:
  • At least one RFID tag is preferably inserted in the holder or in the receiving pocket; the RFID tag more preferably has a cylindrical shape with rounded ends.
  • the RFID tag is preferably already contained / installed / inserted in the medical instrument.
  • the form of the RFID tag is more preferably in the form of a pill.
  • the receiving pocket in the medical instrument or in the tag carrier has the shape of an elongated slot or a groove which is adapted to receive the preferably cylindrical / pill-shaped RFID tag “lying down”, ie in the manner of a (flat) battery compartment .
  • the RFID tag preferably has an outer surface / a housing made of a material that is permeable to radio frequencies and more preferably is waterproof and / or airtight.
  • the housing of the RFID tag is made of a radio frequency / signal-permeable material such as glass, ceramic, plastic, thermoplastic, thermosetting plastic, plastics in general and / or silicone, particularly preferably made of a non-metallic material , with which the ferrite core, including the coil and chip that wraps around it, is encapsulated.
  • the geometry and the material of the medical instrument and the RFID tag, or its body, as well as the alignment of the receiving pocket with respect to the corresponding instrument surface can be freely selected.
  • a receiving pocket parallel to the RFID tag, in particular the coil of the RFID tag is preferred such that the RFID tag is aligned in its longitudinal direction parallel to the outer surface of the body of the medical instrument (i.e. “lying”).
  • the receiving pocket can either remain free / open to the outside or be filled / closed with a signal-permeable material.
  • the receiving pocket or the opening formed in the medical instrument for the receiving pocket can be provided with or without a cover made of the signal-permeable material.
  • the RFID tag can already be shaped per se in the manner of a closure cap, in such a way that when the RFID tag is inserted into the receiving pocket, this or its opening is closed to the outside (water / airtight) by the RFID tag itself.
  • the RFID tag or the cover can be planar / level / terminating / flush with the (external) surface of the medical instrument.
  • the cover is preferably made of a material that is permeable to radio frequencies and further preferably closes the receiving pocket / holder in a watertight and / or airtight manner on / with the outer surface of the medical instrument.
  • the opening / breakthrough in the instrument that connects the instrument cavity to the outside and the possibly associated cover can of course have any geometric shape, since the additional separate tab / tag carrier is inserted into the instrument cavity as an adapter.
  • the receiving pocket adapted to the RFID tag is formed in the tag carrier (ie no receiving pocket is formed in the medical instrument itself). In this case, the opening is no longer used to insert the RFID tag into the pocket (as is inevitably the case with an instrument-integrated pocket) but merely as an input / output (passage) for the radio frequency signals.
  • the reading and writing distance is ensured by a metal screen / reflector that at least partially surrounds the carrier , which separates the RFID tag from a read / read / write device (hereinafter referred to as the read-out device), with a geometrically defined opening in the area of the receiving pocket in the separate tag carrier.
  • the holder / tag carrier can be designed as a signal-permeable core (e.g. plastic) that is located in a medical instrument or is / is inserted into an instrument cavity.
  • the holder (receiving pocket in the tag carrier) is provided and adapted to receive at least one RFID tag.
  • the opening of the holder ie the opening of the receiving pocket formed integrally in the instrument body or the opening / slot / opening formed in the instrument in the case of a separate holder / tag carrier, which serves as a passage for radio signals, has a (slot- ) Width which corresponds to the product of the coil diameter and an ideal factor, the ideal factor being in the range from 1.3 to 2.2, more preferably in a range from 1.6 to 1.9 and particularly preferably 1.75.
  • the opening on the medical instrument that is parallel to the RFID tag has a width that is greater than the coil diameter of the RFID tag and / or the RFID tag.
  • the opening of the holder in the case of an instrument body integral receiving pocket or the opening / slot / breakthrough formed in the instrument in the case of a separate holder / tag carrier, which serves as a passage for radio signals has a length that is -30% up to + 50% of the total length of the ferrite core, more preferably a length of 0% up to + 30% of the total length of the ferrite core and particularly preferably a length of + 15% of the total length of the ferrite core.
  • the opening on the medical instrument that is parallel to the RFID tag has a length that is preferably greater than the length of the ferrite core and / or the RFID tag.
  • the RFID tag preferably uses a frequency band in the range from 12 to 15 MHz, advantageously in the range from 13 to 14 MHz, more preferably in the range from 13.4 to 13.7 MHz and particularly preferably from 13.56 MHz.
  • the invention further preferably relates to a system consisting of a medical device with the above features and a readout device that can be coupled to the medical device.
  • the medical device can be read by a read-out device that can be brought into close proximity, that is to say at a distance of less than one centimeter, to the RFID tag.
  • this readout device can be attached in the couplable plug / socket for the counterpart on the medical device.
  • the invention also relates to a method for assembling a medical instrument according to the invention.
  • the object of the invention is achieved according to the invention by the features of the independent claim 15.
  • the first step here is the positioning of the RFID tag, the medical instrument and the metal screen with respect to one another.
  • a terminal coupling section of the medical instrument or the instrument body has a longitudinal axis / axial axis, in the extension of which the metal screen is positioned, preferably coaxially.
  • This is followed by the insertion of the RFID tags in the underfloor tag holder of the medical instrument intended for it, in particular insertion in the radial direction, preferably pressing into the underfloor tag holder in the radial direction.
  • the step of rotating the metal screen around the longitudinal axis / axial axis of the medical instrument can preferably take place until the signal-permeable aperture and the RFID tag are in the same position in the circumferential direction. Viewed in the direction of the longitudinal axis, the aperture and the RFID tag are then at the same angle to one another or in a radial extension in the circumferential direction. Finally, the metal screen is pushed onto the medical instrument in the axial direction (in the direction of the longitudinal axis of the section of the instrument body that receives the RFID tag) so that the aperture and the RFID tag are radially extended and in particular in the same axial position, are arranged to each other and the RFID tag is fixed in position in the medical instrument by the metal screen in a captive manner.
  • the method can preferably have the step of fixing the metal screen to the medical instrument or the instrument body.
  • the method in particular before the step of sliding it on, can further comprise the steps: positioning a signal-permeable cover relative to the metal screen; Insertion / insertion of the cover into the signal-permeable aperture by moving the cover in the axial direction into the metal screen radially inward into this and moving the cover in the radial direction outward into the aperture, so that the cover is inserted in the aperture and after Step of sliding on the metal screen, the cover is locked in position in the medical instrument in a captive manner.
  • the cover Due to a coordinated geometry of the cover with an undercut to the aperture, the cover cannot be displaced outwards in the radial direction or perpendicular to the longitudinal axis and is kept captive, because after the step of sliding on the RFID tag is applied radially on the inside and in axial direction the cover abuts the edges of the aperture.
  • FIG. 1 is an illustration to illustrate RFID tags that can be used according to the invention
  • FIG. 2 is a further illustration to illustrate RFID tags that can be used according to the invention.
  • FIG. 3 is a diagram for illustrating an example of a medical instrument with an RFID tag integrated in the body of the medical instrument
  • FIG. 4 is a further illustration to illustrate an example of a medical instrument with an RFID tag integrated in the body of the medical instrument;
  • FIG. 5 is a further illustration for illustrating an example of a medical instrument with an RFID tag integrated in a body and an outer housing;
  • FIG. 6 is a further illustration for illustrating an example of a medical instrument with an RFID tag integrated in a body and an outer housing;
  • FIG. 7 is a diagram illustrating an example of a medical instrument having an RFID tag and a cover integrated in the body of the medical instrument;
  • FIG. 8 is a diagram for illustrating an example of a medical instrument having an RFID tag and a cover integrated into the body of the medical instrument; 9 is a diagram showing an example of a medical instrument having a holder integrated in the body of the medical instrument;
  • Figure 10 is an illustration of the bracket of Figure. 9 with an RFID tag integrated in the holder;
  • FIG. 11 is an illustration of the RFID tag in the holder of FIG. 9 with a cover on the holder;
  • FIG. 12 is a further illustration for illustrating an example of a medical instrument with an RFID tag integrated into the body of the medical instrument;
  • FIG. 13 is a further illustration to illustrate an example of a medical instrument with an RFID tag which is integrated in the body of the medical instrument and which is acted upon by spring force;
  • FIG. 14 is a further perspective view for illustrating an example of a medical instrument with an RFID tag integrated into the body of the medical instrument;
  • FIG. 15 is a side view of the medical instrument of FIG. 14;
  • 16 is a diagram for illustrating an example of a system comprising a medical instrument and a coupling which can be coupled thereto in a separated state;
  • 17 is a diagram for illustrating an example of a system comprising a medical instrument and a coupling which can be coupled thereto in the connected state;
  • 18 is a diagram showing an example of a system composed of a medical instrument and a readout device;
  • Fig. 19 is a detailed illustration of Fig. 18;
  • FIG. 20 is a diagram showing an example of a medical instrument with an RFID tag flange
  • FIG. 21 is a diagram showing an example of a medical instrument with an RFID tag flange
  • FIG. 22 is a diagram for illustrating an example of a medical instrument with an RFID tag flange
  • FIG. 23 is a diagram showing an example of a medical instrument with an RFID tag flange
  • FIG. 24 is a diagram showing an example of a medical instrument with an RFID tag flange
  • FIG. 25 is a diagram showing an example of a medical instrument with an RFID tag flange
  • FIG. 26 is a diagram for illustrating an example of a medical instrument with an RFID tag flange
  • Figs. 27 to 31 each show partial perspective views of a medical instrument according to a further preferred embodiment, showing a step-by-step assembly of this medical instrument according to a method for assembling a preferred embodiment.
  • FIG. 1 is a representation to illustrate RFID tags 2 that can be used according to the invention.
  • the different sizes of RFID tags 2, in particular so-called glass RFID tags, are shown next to a commercially available match.
  • the RFID tags 2 accordingly have a cylindrical shape with rounded ends, which resembles a rod or pill shape.
  • Such RFID tags are essentially state-of-the-art and therefore do not require any further description.
  • FIG. 2 shows a further representation at least for the basic illustration of an RFID tag 2 that can be used according to the invention in the closed / encapsulated state (FIG. 2, top) and the components that are in a (glass) housing of the RFID tag are located (Fig. 2, below).
  • a coil 4 is provided which is wound in the middle around a rod-shaped ferrite core 6 and is in contact with an RFID chip 8.
  • the RFID chip 8 is placed at one axial end of the ferrite core 6.
  • This construction consisting of the ferrite core 6, the coil 4 surrounding it in sections, and the RFID chip 8 arranged axially at the end, are enclosed by a radio-wave-permeable material, e.g. a glass material, which forms the housing of the RFID tag 2.
  • FIG. 3 is now a representation to illustrate a first example of a medical device according to the invention for a medical instrument, not shown in more detail in FIG. 3, with a fold formed as a separate component or a tag carrier 22, which can be inserted into a (already existing) flea space 12 is provided and possibly adapted in the medical instrument, the separate flap / tag carrier 22 being designed with a (single) slot / groove-shaped receiving pocket 14 for the RFID tag 2.
  • the cartridge-shaped separate folder / tag carrier 22 in the present example consists in this case of a (cylindrical) metal block, in the outer surface of which the elongated groove / receiving pocket 14 is introduced parallel to the longitudinal axis of the metal block, into which the RFID tag 2 is axially inserted / is used.
  • the elongated receiving pocket / groove 14 is provided and adapted to accommodate the RFID tag 2 and therefore has a shape that corresponds to the shape of the RFID tag 2.
  • the receiving pocket 14 is designed in such a way that it breaks through the outer surface of the metal block and thus forms an elongated slot.
  • the slot or the groove opening is narrower than the receiving pocket 14 itself, so that the RFID tag 2 inserted into the receiving pocket 14 cannot fall out of the slot-shaped opening or be pushed out. Accordingly, at least one axial end of the elongated receiving pocket / groove 14 is open on an end face of the metal block, so that the RFID tag 2 can be pushed axially into the receiving pocket / groove 14. The RFID tag 2 is thus visible from the outside along the shell-side outer surface of the metal block through the slot / groove opening.
  • FIG. 4 is a further illustration to illustrate a second example of the medical instrument or the medical device with an in the (in FIG.
  • the tag carrier 22 in this case consists of a non-metallic or signal-permeable, preferably plastic block, in which the elongated, groove-shaped receiving pocket 14 is introduced parallel to the longitudinal axis of the plastic block, in which the RFID -Tag 2 is pushed in axially.
  • the embodiment (construction) according to FIG. 4 is analogous to FIG. 3 with the difference in the material of the tag carrier 22. Because the material of the tag carrier 22 is signal-permeable, the RFID tag receives better reception 2 reached.
  • FIG. 5 is a further illustration to illustrate a third example of the medical instrument or the medical device with an in the (in FIG.
  • the tag carrier 22 consists of the cylindrical, non-metallic, preferably plastic block in a comparable manner to the second embodiment described immediately above according to FIG.
  • the outer housing 16 has a slot-shaped outer housing opening 18 that is parallel or overlapping / covering to the receiving pocket 14 in the plastic block and thus runs parallel to the RFID tag 2 arranged in the receiving pocket 14.
  • the length of the outer housing opening 18 is longer than the RFID tag 2 and the width of the outer housing opening 18 corresponds (exactly) to the width of the slot-shaped opening of the receiving pocket 14.
  • the width of the slot-shaped opening of the receiving pocket 14 and thus the outer housing opening 18 is therefore smaller than the diameter of the RFID tag 2 in order to prevent the RFID tag 2 from falling out of the tag carrier (separate holder) 22 or the receiving pocket 14 formed therein, as has already been described above.
  • the metallic outer jacket 16 also serves as a reflector or metal screen to further improve the transmission / reception properties (directivity) of the RFID tag 2 in the direction of the reading device (not shown in FIGS. 5 and 6).
  • FIG. 6 is a further illustration to illustrate a fourth example of the medical instrument or the medical device according to the invention with the separate tag carrier 22 which can be introduced into the body or cavity 12 of the medical instrument and which has the groove-shaped receiving pocket 14 for the RFID tag 2 is designed in accordance with the third exemplary embodiment described immediately above and is consequently provided with a metallic outer casing or outer housing 16.
  • the structure is accordingly analogous to the third embodiment according to FIG. 5 with the exception that the width of the slot-shaped outer housing opening 18 according to FIG. 6 is greater than the opening width of the receiving pocket 14 in the plastic block and / or even of the RFID tag 2 itself.
  • FIG. 7 is an illustration to illustrate a fifth example of a medical instrument with an instrument cavity 12, in this case a (motor fitted / equippable) flange piece, with an RFID tag (not shown) and integrated into the body 10 of the medical instrument / flange piece an (optional) cover 20 over the RFID tag.
  • the cover 20 is preferably introduced flush with the outer surface of the body 10 into the opening 14 ′ , which is formed on an outer surface of the medical instrument / flange or its body 10.
  • the flange piece according to FIG. 7 has a preferably cylindrical / sleeve-shaped gripping section, at the distal end of which a tool coupling is arranged and at the proximal end of which a motor coupling is arranged.
  • the RFID tag can be integrated or used in these connection / coupling areas of the flange piece, which are always identical, and in particular in the proximal coupling area for the motor.
  • the separate RFID tag carrier 22 according to one of the first to fourth exemplary embodiments is preferably used, which, however, is more preferably a plastic core with a surrounding metal shield as described above.
  • the groove-shaped receiving pocket 14 into which the RFID tag is inserted and which has a slot-shaped opening is incorporated into the plastic core.
  • the flange piece is also designed in its proximal coupling section with a longitudinal slot 14 ' which connects the instrument cavity 12 formed by the proximal coupling section with the surroundings and which overlaps with the slot-shaped opening in the RFID tab carrier already inserted in the flea space 12 (see Fig 3 - 6) and thus releases the RFID tag to the outside world.
  • the longitudinal slot 14 ' formed in the flange or its proximal coupling section and optionally the receiving pocket 14 located underneath in the inserted tag carrier 10 is preferably closed by a plastic part / cover 20, in such a way that that a substantially smooth / flat surface results on the outside of the handpiece in the area of the longitudinal slot 14 '.
  • FIG. 8 is a further illustration for the overall illustration of the fifth example of the medical instrument, more precisely the handpiece according to FIG. 7 with a motor not shown in FIG. 8, which can be coupled, the placement of the RFID tag from FIG. 8 is better recognizable on / in the handpiece. Accordingly, the RFID tag is arranged in the handpiece or its cavity 12 in such a way that it is located proximal to the handle section of the handpiece, in particular in that axial section of the handpiece or body 10 which is inserted into a motor housing in a coupling manner, such as this is described in more detail below.
  • FIG. 9 is an illustration to illustrate a sixth example of a medical instrument with a tag carrier / holder 22 integrated into the body 10 of the medical instrument.
  • the tag carrier 22 is a separate, separate component that is in the form of an adapter in a preferably slot-shaped opening 14 'of the body 10 is installed / inserted.
  • the medical instrument according to FIG. 9 corresponds to that according to FIG. 8, in which case a receiving pocket in the form of the aforementioned tag carrier / holder 22 is incorporated into the body of the medical instrument or into the body's own Slot is inserted and wherein the inserted, separate receiving pocket is open on the outer surface of the instrument.
  • the instrument's own or the body's own slot / opening 14 ' is in the present case not individually adapted to the tag to be placed therein (too large). For this reason, the additional tag carrier 22 is inserted as a receiving pocket in the slot / opening 14 ', the tag carrier 22 forming a receptacle that is essentially adapted to the tag.
  • the holder / tag carrier 22 is accordingly provided and adapted to receive the RFID tag (not shown) in the manner of an adapter or intermediate piece between the (universally dimensioned) slot 14 'in the instrument body and the (individually designed) receptacle in the holder / Day carrier 22.
  • the holder / tag carrier 22 is in the present case below the outer surface of the body 10, that is, set back with respect to the outer surface.
  • the shape of the slot / opening that is formed by the receptacle in the holder 22 corresponds to the shape of the RFID tag, which can simply be inserted into the slot / opening of the holder / tag carrier 22 and held in it - possibly independent of the shape of the slot 14 'formed in the instrument body.
  • FIG. 10 is an illustration of the holder 22 in the body 10 of the medical instrument 12 from FIG. 9 with an RFID tag 2 integrated / inserted in the holder 22.
  • the holder / tag carrier 22 formed as a separate component and inserted into the slot 14 ′ in the instrument body 10 is dimensioned such that the RFID tag remains behind the outer surface of the instrument body 10. This is necessary in this exemplary embodiment insofar as this leaves a receiving area that can be filled with covering material, which on the one hand ensures a flat instrument surface and on the other hand holds the RFID tag 2 in the receptacle.
  • FIG. 11 is an illustration of this cover 20 on / in the holder 22 (not shown in FIG. 11) in the body 10 of the medical instrument from FIG. 10 with the RFID tag integrated / inserted in the holder 22.
  • the cover 22 is flat with the outer surface of the body 10.
  • FIG. 12 is a further illustration to illustrate an example of a medical instrument with an RFID tag 2 integrated / inserted into the body 10 of the medical instrument.
  • the holder 22 is in the form of a tag carrier according to one of the examples according to FIG 3 to 6 and inserted into an instrument cavity 12, in particular in the proximal coupling section of the handpiece according to FIG. 8.
  • a slot 14 ' connecting the cavity 12 to the surroundings is worked out in the instrument body 10.
  • the housing or the coupling section 10 'of a motor placed on the coupling section of the handpiece is indicated in FIG. 12.
  • a cover 20 is applied to the holder 22 or inserted into the slot 14 '.
  • the surface of the cover 20 is flush / flat with the outer surface of the body 10, so that the cover 20 together with the outer surface of the body 10 forms a planar / even or gap / step-free surface.
  • the holder 22 or the tag carrier according to FIG. 12 also has elastic properties which have the effect that, when the holder 22 is installed in the cavity 12 of the instrument, a spring force is exerted on the RFID tag, which radially detects it Press the outside against the cover 20 and clamp it between you and the cover 20.
  • FIG. 13 is a representation to illustrate the example according to FIG. 12 with an RFID tag 2 which is inserted into the body 10 of the medical instrument by means of a (cartridge-like) holder 22 and which is acted upon by the above-mentioned spring force.
  • the structure is analogous to the illustration in FIG. 12, but the holder 22 is deformed by applying or pressing the cover 20 into the slot 14 ' so that a spring force F presses the RFID tag 2 against the cover 20 in order to To inhibit freedom of movement and thus to prevent mechanical damage.
  • the spring force does not necessarily have to be generated by the elasticity properties of the tag carrier 22, but that a separate spring, for example a gas cushion or the like, can be arranged in the slot-shaped receiving pocket 14 in the tag carrier 22. It is also possible to manufacture the tag housing from an elastic material.
  • FIG 14 is a further perspective, partially broken away illustration to illustrate an example of a medical instrument with a (cartridge-shaped) tag carrier (holder) 22 inserted into the body 10 of the medical instrument or into its cavity 12 according to one of the examples according to FIG 3 to 6 in the receiving pocket 14 of which an RFID tag 2 has already been inserted.
  • a slot-shaped opening 14 ' In the outer surface of the body 10 there is a slot-shaped opening 14 ' , which is located above the RFID tag 2 in the holder / tag carrier 22 and is larger in width and length in terms of its dimensions than the receiving pocket 14.
  • the opening 14 ' in the instrument body 10 is in this embodiment provided and adapted to receive a cover (not shown).
  • the opening 14 ′ forms, together with the holder / tag carrier 22 inserted in the cavity 12 of the instrument, a stepped / step-shaped recess, so that the RFID tag 2 can be introduced into the receiving pocket 14 in the inserted holder 22 via the opening 14 ' can, and then the cover can be inserted into the opening 14 ' in the instrument body 10.
  • the RFID tag 2 can also be let into the opening / receiving pocket 14 in the holder / tag carrier 22 after it has been inserted into the instrument cavity 12, the holder 22 of the RFID tag 2 or the
  • the receiving pocket 14 formed therein ensures that the RFID tag 2 is held securely without the need for additional hold-down devices.
  • the base material of the holder 22 or tag carrier 22 in this case ideally consists of a signal-permeable material, as shown in FIG. 4.
  • the RFID tag 2 is located below the floor with respect to the inside diameter of the body 10 that forms the cavity 12.
  • FIG. 15 is a cross-sectional view of the medical instrument from FIG. 14 and serves to further illustrate the example of a medical instrument with an RFID tag 2 according to FIG. 14 integrated into the body 10 of the medical instrument or inserted into the instrument cavity 12
  • the receiving pocket 14 formed in the tag carrier (holder) 22 forms a longitudinal groove with an opening slot that is slightly narrower than the inserted RFID tag 2, whereas the slot 14 ' in the instrument body 10 is significantly wider , as the receiving pocket 14 and the RFID tag 2 located therein.
  • This configuration makes it possible to push the RFID tag 2 through the instrument slot 14 ' into the receiving pocket 14 (with the pocket opening 14 being slightly widened), the RFID Day is then held in the receiving pocket 14 through the opening cross-section.
  • FIGs. 16 and 17 are representations to illustrate an example of a system 24 consisting of a medical instrument, as this is already shown in FIG. 8 and a motor 26 that can be coupled to it, in a separate (according to FIG. 16) and coupled state (according to FIG . 17).
  • a coupling plug or a coupling connection element can also be provided, via which a drive force can be actively coupled and introduced into the medical instrument accordingly.
  • the motor 26 or its coupling section is provided and adapted to accommodate part of the medical instrument, ie its proximal coupling section according to FIGS. 7 to 11.
  • the motor 26 has a readout device (not shown) in the area of its coupling section, preferably on the inside thereof, which is positioned such that in a coupled state according to FIG. 17 the readout device and the RFID tag (not shown) are in the immediate vicinity / in radial direction opposite / parallel to each other.
  • no read-out device can be integrated into the motor 26, in which case the RFID tag can only be read out before the plugging process.
  • the (motor) coupling 26 is pushed over the motor connection / body / part of the medical instrument and the RFID tag 2 is thus at the same time mechanically protected and shielded against reading.
  • FIGS. 18 and 19 each show an illustration of an exemplary instrument system consisting of a medical instrument with an instrument body 10 designed as an (electromotive) flange piece and a readout device 28 designed as an instrument holder.
  • the position on the medical instrument at which the RFID tag is located is brought into the closest possible proximity of the reading device 28, whereby the RFID tag can be read.
  • the readout device 28 has a rack or frame 28a on which at least one instrument holder is preferably in the form of a clamp or clamp 28b is fixed, into which the medical instrument or its instrument body 10 can be clamped (this clamped state is shown enlarged in FIG. 19). Furthermore, the read-out device 28 can be seen in FIG. 19, which is located below the medical instrument when this is inserted into the instrument holder 28b.
  • the RFID tag can be placed (arbitrarily) in such a way that when the instrument is inserted into the instrument holder 28b, it comes to lie exactly above the readout device 28 and thus the transmission distance between the RFID tag and the readout device 28 is minimized.
  • FIG. 20 is an illustration to illustrate an example of a medical instrument with an RFID tag - flaming 22, wherein the medical device is a cordless drill.
  • the folding 22 is provided by a receiving adapter embedded in an instrument slot, in which the RFID tag is inserted and covered by means of a filler material.
  • the position of the RFID tag is not arbitrary, but is selected so that the simplest and most precise possible reading out of data by means of a reading device is possible.
  • the cordless drill with a removable accumulator / battery which can be inserted into a receiving slot which is formed in a handle of the cordless drill.
  • This enables the arrangement of a readout device or at least one antenna of the readout device at a distal end / end section of the accumulator in such a way that when it is fully inserted into the receiving slot, the readout device / antenna comes to lie close to the RFID tag and thus an interference-free transmission of data allowed.
  • FIG. 21 is a representation to illustrate an example of a medical instrument in the form of a pair of scissors, the two handle branches of which are suitable as an instrument body 10 for receiving an RFID tag under the floor.
  • the folding 22 is designed in the form of a receiving pocket in one of the two handle branches, in particular in the branch area between a scissor hinge and a finger eye.
  • defined positions of the scissors eg half-open
  • the read-out device is inevitably arranged below the RFID tag.
  • the RFID tag holder 22 and 23 each show a representation of another medical instrument in the form of a punch consisting of a forceps grip and a punching carriage which is guided longitudinally in a carriage shaft and is actuated by means of the forceps handle.
  • the RFID tag holder 22 is preferably designed in the form of a receiving adapter inserted into an instrument slot, the instrument slot being located in the slide shaft. This is particularly suitable insofar as it has a sufficient wall thickness to accommodate the RFID tag “under the floor” and, moreover, does not change its position when the pliers handle is moved.
  • This instrument can therefore be inserted into an instrument holder equipped with a reading device according to FIG. 18 without having to refer to the current operating state of the pliers handle, the RFID tag always being arranged above the reading device.
  • FIG. 24 is an illustration to illustrate an example of a medical instrument with an RFID tag holder 22 in the instrument body 10, this medical instrument being angle pliers.
  • the RFID tag is inserted into the surface of one of the two pliers branches “under the floor” in the area of the engagement sections of the pliers and can be read out by suitable reading devices that are comparable to the instrument holder according to FIG. 18 described above.
  • 25 is an illustration to illustrate an example of a medical instrument with an RFID tag holder 22 in the instrument body 10, this medical instrument being a cutting or grasping forceps.
  • the RFID tag is introduced into the surface of a pliers branch and in particular in the grip section of this plier branch “under the floor” and can be read out using suitable readout devices.
  • defined operating positions of the pliers can also be specified in this case, which allow the RFID tag to be arranged directly above the readout device.
  • 26 is a diagram for illustrating an example of a medical instrument with an RFID tag flaming 22 in the instrument body 10, this medical instrument being tweezers.
  • the RFID tag is introduced into the surface of a tweezer branch, in particular in a branch middle section between the proximal tweezer handle and the distal engagement section of the tweezer branch “under the floor” and can be read out using suitable readout devices as shown in FIG.
  • Figs. 27 to 31 show, in a perspective partial view, a medical instrument according to the invention according to a further preferred embodiment and a method according to the invention for assembling a medical instrument according to a preferred embodiment, wherein in FIGS. 27 to 31 a successive, step-by-step assembly is shown. The medical instrument and then the assembly method are described first.
  • the medical instrument has the instrument body 10, the RFID tag 2 in the form of a pill-shaped glass tag, the separate metal screen 16 in the form of a clip-on or form-fitting snap-in metallic socket and the signal-permeable cover 20 with rubber, silicone and / or plastic as Material, FIG. 27 showing an exploded view of an unassembled state in which the above components are present separately.
  • the instrument body 10 has a terminal, proximal, essentially cylindrical coupling section with a longitudinal axis, in the radially outer circumferential wall of which an underfloor tag holder 22 in the form of a slot-shaped groove or a recess is introduced as a receiving pocket 14.
  • the radially outer part of the coupling section of the instrument body 10 is made of plastic and is therefore made signal-permeable.
  • the groove-shaped receiving pocket 14 is adapted to receive the pill-shaped RFID tag 2 (at least partially) or the RFID tag 2 can be inserted into the receiving pocket 14.
  • the metal shield 16 is divided in its axial direction into a proximal shielding section 30 and a distal latching section 31.
  • the sleeve-shaped shielding section 30 has the elongated and axially extending signal-permeable aperture 18 in the form of an elongated hole and, due to its metallic material, is used for signal-technical shielding with a defined signal-permeable aperture 18 in order to avoid a possible distance to a reading and / or writing device (not shown) and to increase data transmission quality.
  • the latching section 31, on the other hand, is used to fix the metal screen 16 on the instrument body 10 in the axial direction and, on the other hand, to fix the relative positioning in the circumferential direction.
  • the shielding section 30 is designed in the shape of a socket / sleeve with a closed casing, into which openings or recesses defined only at individual points are introduced. These are mainly the diaphragm opening 18 and an incision 33 that extends axially in the distal direction starting from the proximal end.
  • This incision 33 which in the present case is rotated by 90 ° around the longitudinal axis with respect to the diaphragm opening 18, can be used, for example, to determine a relative positioning in the circumferential direction can be used when, for example, a coupling section complementary to the coupling section with a defined radially inwardly extending projection is introduced into the incision 33 in order to geometrically pre-determine a relative rotational position from handpiece to counterpart.
  • the latching section 31 directly adjoining the shielding section 30 distally has four partially circular latching arms 32 which extend in the axial direction and which, viewed in the circumferential direction, are in particular evenly distributed.
  • each latching arm 32 has a latching lug projecting radially outward for a form-fitting latching by means of an undercut.
  • a longitudinal recess 34 is provided between two such latching arms 32 so that the metal screen 16 can only be pushed onto the instrument body 10 in this position fixed in the circumferential direction when the RFID tag 2 is inserted.
  • the metal screen 16 is therefore adapted to be pushed on and fixed in only one predetermined rotational position. As shown in Fig.
  • the RFID tag 2 and the aperture 18 parallel and in the radial direction in extension to one another. This ensures that the aperture 18 is positioned symmetrically and centrally to the RFID tag 2, the aperture 18 forming the opening 14 'towards the instrument environment. Due to their geometric design, the locking arms 32 have a certain inherent elasticity in the radial direction in order to be temporarily deflected against their internal stress. Preferably, only the shielding section 30 can be made of metal and the latching section 31 can have a different material, for example plastic.
  • the cover 20 made of rubber has circumferentially a step in the radial direction or two plate-shaped rectangles sitting on top of each other with rounded corners with dimensions decreasing outward in the radial direction, the radially outer rectangle of this having exactly the same dimension as the aperture 18 to fit precisely Complete aperture 18.
  • the larger, radially inner rectangle rests against the inner wall of the shielding section 30.
  • the cover 20 can be inserted inside the metal screen 16 in the panel opening 18 and can be fixed in position in the assembled state by only the RFID tag 2 as a counter element and retained in the panel opening 18 in a captive manner.
  • the metal screen 16 has rounded edges 34 at its proximal end in order to facilitate insertion into a counterpart of the flange piece.
  • FIG. 27 shows a first step of positioning the RFID tag 2, the medical instrument, the metal screen 16 and the signal-permeable cover 20 with respect to one another.
  • the metal screen is arranged coaxially to a longitudinal axis of the instrument body.
  • FIG. 28 shows a step of inserting the RFID tag 2 in the underfloor tag holder 22 of the medical instrument in the radial direction, here pressing it in the radial direction into the underfloor tag holder 22.
  • the step of inserting the RFID tag 2 can also be carried out first and then the step of positioning.
  • FIG. 29 shows a partial insertion of the cover 20 into the signal-permeable aperture 18 by shifting the cover 20 in the axial direction into the metal screen 16 radially inwards and moving the cover 20 in the radial direction outwards into the aperture 16. The cover 20 is not completely inserted into the aperture 18.
  • FIG. 29 shows a partial sliding of the metal screen 16 onto the flange or the medical instrument with the inserted RFID tag 2 in the axial direction.
  • FIG. 30 shows the completed step of inserting the cover 20 into the aperture 18, which ends flush.
  • FIG. 31 shows the assembled state with the completed step of sliding the metal screen 16 onto the instrument body 1 so that the aperture 18 and the RFID tag 2 are arranged parallel and in a radial extension to one another and the RFID tag 2 is thus lost-proof in the medical instrument is fixed in position.
  • the step of fixing the metal screen 16 in relation to the instrument body 10 by means of the latching lugs 32 locking into place was also carried out.
  • the terms “Flalterung” and “Tag carrier” are synonymous and stand for the same components.
  • the medical instruments shown by way of example are not exhaustive, but any other instruments and possibly even orthoses or implants can be equipped with RFID tags placed “under the floor”, such as pacemakers, artificial joints, etc.
  • the invention relates to one Medical instrument with an instrument body 10 which is provided with an RFID tag 2.
  • an under-floor tag holder 22 is arranged or designed in the instrument body 10, which is provided and designed to receive the RFID tag 2 in a position-fixing manner, such that the RFID tag 2 via an opening 14 ' formed in an instrument body surface for Instrument environment is exposed, but is set back with respect to this instrument body surface in the direction of the instrument body interior, in order to preferably avoid a protrusion (of the RFID tag 2) beyond the instrument body surface.

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Abstract

L'invention concerne un instrument médical comportant un corps d'instrument (10) qui est pourvu d'une étiquette RFID (2), en particulier d'une étiquette en verre, caractérisé par un support d'étiquette encastré (22) qui est prévu et conçu pour recevoir l'étiquette RFID (2) de manière à la maintenir en position de telle sorte que l'étiquette RFID (2) est apparente dans l'environnement de l'instrument par une ouverture (14´) ménagée dans une surface du corps d'instrument, tout en étant en retrait par rapport à cette surface du corps d'instrument en direction de l'intérieur du corps d'instrument afin d'empêcher de préférence que l'étiquette RFID soit saillante par rapport à la surface du corps d'instrument, le support d'étiquette encastré (22) et l'étiquette RFID (2) étant au moins en partie entourés par un blindage métallique (16) séparé pourvu d'une ouverture de type fenêtre (18) perméable aux signaux, cette ouverture de type fenêtre (18) formant l'ouverture (14') vers l'environnement de l'instrument. L'invention concerne en outre un système de traitement médical et un procédé de montage selon les revendications secondaires.
EP20760794.6A 2019-08-20 2020-08-19 Support d'étiquette rfid intégré Pending EP4017400A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019122349.0A DE102019122349A1 (de) 2019-08-20 2019-08-20 Integrierte RFID -Tag - Halterung
PCT/EP2020/073206 WO2021032782A1 (fr) 2019-08-20 2020-08-19 Support d'étiquette rfid intégré

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EP4017400A1 true EP4017400A1 (fr) 2022-06-29

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US (1) US11903778B2 (fr)
EP (1) EP4017400A1 (fr)
JP (1) JP2022545672A (fr)
CN (1) CN114270366A (fr)
DE (1) DE102019122349A1 (fr)
WO (1) WO2021032782A1 (fr)

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CN116341602A (zh) 2019-09-05 2023-06-27 株式会社村田制作所 带有无线ic标签的医疗用金属制器具
WO2021075159A1 (fr) * 2019-10-18 2021-04-22 株式会社村田製作所 Instrument médical métallique avec étiquette à ci sans fil
DE102020116932A1 (de) 2020-06-26 2021-12-30 Aesculap Ag Medizinisches Instrument mit Transpondereinbaumodul und Medizinisches Transponderkommunikationssystem
DE102021107440A1 (de) 2021-03-24 2022-09-29 Aesculap Ag Integrierter RFID-Tag in einem Handinstrument
DE102021117413A1 (de) 2021-07-06 2023-01-12 Aesculap Ag GlassTag Transponder Einbau/ Nachrüstung bei Motorkabel
DE102022124571A1 (de) 2022-09-23 2024-03-28 Aesculap Ag Elektrochirurgisches Instrument mit Transponder, Transponderkommunikationssystem und Herstellungsverfahren
DE102022132032A1 (de) 2022-12-02 2024-06-13 Aesculap Ag Glas-Tag-Fixierung für medizinische Instrumente

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US7088249B2 (en) 2000-07-19 2006-08-08 Hanex Co., Ltd. Housing structure for RFID tag, installation structure for RFID tag, and communication using such RFID tag
US8830033B1 (en) * 2004-08-04 2014-09-09 Avaya Inc. Active EMI shielding for protection of medical instruments
WO2006067610A2 (fr) 2004-12-22 2006-06-29 Precimed S.A. Dispositif intelligent possedant un transpondeur radiofrequence passif encastre dans le metal et exemples d'utilisation
US8461992B2 (en) * 2006-05-12 2013-06-11 Solstice Medical, Llc RFID coupler for metallic implements
FR2957240B1 (fr) * 2010-03-10 2012-04-20 Philippe Laheurte Dispositif medical equipe d'un module d'identification rfid
DE102011052501A1 (de) 2011-08-08 2013-02-14 Aesculap Ag RFID-Tag
US8776644B2 (en) 2012-01-23 2014-07-15 Stanley Black & Decker, Inc. Electronic identifier attachment for inventory items
DK3031006T3 (en) * 2013-08-09 2019-04-29 Caretag Surgical Aps Registration of medical devices
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EP3146477A1 (fr) 2014-05-23 2017-03-29 SPA Track Medical Limited Ensemble étiquette rfid
JP6306642B2 (ja) * 2016-06-01 2018-04-04 株式会社吉田製作所 歯科用インスツルメントハンガー
US10770178B2 (en) * 2016-07-11 2020-09-08 Covidien Lp Method and apparatus to account for transponder tagged objects used during clinical procedures employing a shielded receptacle with antenna
DE102016121478A1 (de) * 2016-11-09 2018-05-09 Aesculap Ag Chirurgisches Instrument mit RFID-Kennzeichnungselement
US10849713B2 (en) * 2018-03-27 2020-12-01 Covidien Lp Method and apparatus to account for transponder tagged objects used during clinical procedures, employing a trocar

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Publication number Publication date
US11903778B2 (en) 2024-02-20
US20220287797A1 (en) 2022-09-15
CN114270366A (zh) 2022-04-01
WO2021032782A1 (fr) 2021-02-25
JP2022545672A (ja) 2022-10-28
DE102019122349A1 (de) 2021-02-25

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