NL2017100B1 - An RFID tag mounted or mountable on surgical or medical equipment or on a surgical or medical instrument - Google Patents

An RFID tag mounted or mountable on surgical or medical equipment or on a surgical or medical instrument Download PDF

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Publication number
NL2017100B1
NL2017100B1 NL2017100A NL2017100A NL2017100B1 NL 2017100 B1 NL2017100 B1 NL 2017100B1 NL 2017100 A NL2017100 A NL 2017100A NL 2017100 A NL2017100 A NL 2017100A NL 2017100 B1 NL2017100 B1 NL 2017100B1
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NL
Netherlands
Prior art keywords
surgical
rfid tag
instrument
medical equipment
housing
Prior art date
Application number
NL2017100A
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Dutch (nl)
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NL2017100A (en
Inventor
Van Straten Niels
Jan Van Straten Bart
Van Straten Jaap
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Van Straten Medical B V
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Publication date
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Publication of NL2017100A publication Critical patent/NL2017100A/en
Application granted granted Critical
Publication of NL2017100B1 publication Critical patent/NL2017100B1/en

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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
    • 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
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/0772—Physical layout of the record carrier
    • 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
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Surgical Instruments (AREA)

Abstract

An RFID tag (1) mounted or mountable on surgical or medical equipment or on a surgical or medical instrument (2) comprising: - a metal ring shaped holder (3), - a housing (4) supported by the metal ring shaped holder (3), and - an RFID element (5) placed in the housing (4), Wherein the metal ring shaped holder (3) is provided on a support (9) that is mounted or mountable on the surgical or medical equipment or instrument (2).

Description

An RFID tag mounted or mountable on surgical or medical equipment or on a surgical or medical instrument
The invention relates to an RFID tag mounted or mountable on surgical or medical equipment or on a surgical or medical instrument comprising: a metal ring shaped holder, a housing supported by the metal ring shaped holder, and an RFID element placed in the housing. US 9,033,251 discloses such an RFID tag, wherein the housing which is supported by the metal ring shaped holder is made of an electrically nonconductive or slightly conductive material wherein the RFID element is embedded. US 9,033,251 mentions as advantages that surgical instruments on which RFID tags are mounted are easy identifiable and traceable, without requiring any particular skill of the personnel. A notable advantage is that instruments with RFID tags mounted thereon reduce the risk that instruments remain in the body of the patient after surgery. Furthermore inventory and maintenance management can be improved when RFID tags are applied on the surgical or medical instruments and equipment. Examples are medical or rigid endoscopes and surgical power tools, but this is not an exhaustive enumeration.
Also US2011/0253793 discloses such an RFID tag. The metal housing of this RFID tag may be drilled, banded, etched, marked, welded, painted or otherwise processed without affecting the viability of the RFID tag.
When the metal ring shaped holder is welded on the surgical or medical instrument, this poses the problem that the supplier of the surgical or medical instrument is reluctant to uphold its guarantee provisions concerning the instrument, and that the CE Mark of the instrument is lost. The CE Mark is a requirement for products marketed in the European Economic Space; i.e. the countries of the European Union, Liechtenstein, Norway and Iceland.
Another problem with the known RFID tag disclosed by US 9,033,251 is that it is relatively sensitive to destruction of the housing in which the RFID element is embedded, caused by repetitive autoclave treatment which is required for certain surgical equipment and instruments.
It is an object of the invention to provide a solution for these problems.
The RFID tag of the invention has the features of one or more of the appended claims.
In a first aspect of the invention the RFID tag which comprises : a metal ring shaped holder, a housing supported by the metal ring shaped holder, and an RFID element placed in the housing, is provided with the feature that the metal ring shaped holder is welded on a support that is mounted or mountable on the surgical or medical equipment or instrument without welding on the surgical or medical equipment by arranging that the support has a base carrying the metal ring shaped holder wherein the base has on opposite sides legs that are closable around a part of the surgical or medical equipment to preferably form a closed ring that snugly fits around a part of the surgical or medical equipment or instrument.
This provides a solution for the first problem since by application of the support the metal ring shaped holder is welded on this support, whereas the support can be fitted without welding on the surgical or medical equipment. As a consequence the CE mark of the equipment is not compromised and the surgical or medical equipment is not altered so that the supplier of the equipment can and must maintain its guarantee provisions.
When the legs are closable it is not required to know the dimensions of the surgical or medical equipment beforehand. On the contrary the legs can be bent to the appropriate size at the time that the support will be mounted on the surgical or medical equipment or instrument.
In another preferred embodiment the legs are closed in themselves.
Further it may be preferable that the support is glued on the surgical or medical equipment or instrument in order to secure the one-to-one relation between the surgical or medical equipment or instrument and the RFID tag.
As a solution to the second problem which can be applied in combination with the above-mentioned solution for the first problem or separately therefrom, the housing is substantially or essentially contained within the metal ring shaped holder. This provides the advantage that the housing and the RFID element contained therein are better protected by the metal ring shaped holder against the abrasive influences of the repetitive autoclave treatment required for medical and surgical equipment. This applies both in case the housing comprises simply a void within the metal ring shaped holder wherein the RFID element is provided, as well as in case the housing comprises an epoxy resin within the metal ring shaped holder wherein the RFID element is embedded in the epoxy resin. In case the housing is a void within the metal ring shaped holder the RFID element can in certain embodiments be glued to avoid that it drifts around in the metal ring shaped holder.
Although in the prior art the housing is said to be of plastic or ceramic, these are not the only possibilities.
As mentioned when the housing is contained within the metal ring shaped holder it can simply be a void wherein the RFID element is provided. In certain embodiments it is preferred to apply epoxy resin for the housing. Epoxy resin is relatively cheap and is easy to mold into the required shape without leaving undesired air holes in the material or adjacent to the RFID element.
Preferably the metal ring shaped holder has a bottom edge and a top edge and a ring-shaped wall which tapers with a decreasing diameter from the bottom edge to the top edge. This tapering shape counteracts unintended removal of the housing and/or the RFID element out of the metal ring shaped holder. This applies in particular in case the housing is of a particular material. If the metal ring shaped holder is open at the top edge it is preferred to provide the metal ring shaped holder with a lid, which is transparent for electrical fields, to close off the top edge. This applies in particular when the housing is a void within the metal ring shaped holder. The lid may for instance be of a suitable plastic which is transparent for electrical fields to enable that the RFID element can com municate with an external antenna. For this purpose it is preferred that the lid is made of polyacetal (POM C) or polyoxy-methylene (POM).
It is also possible that the metal ring shaped holder has a bottom edge and a top edge wherein the bottom edge is mounted or arranged to be mounted on the surgical or medical equipment or instrument, and the top edge is provided with an inwardly protruding ridge to provide an aperture delimited by the top edge with a smaller diameter than the bottom edge.
This feature can be applied on its own standing or in combination with the previously mentioned feature of the tapering ring-shaped wall. Also in that case it is preferable that a lid which is transparent for electrical fields is applied to close off the top edge.
The invention is also embodied in surgical or medical equipment or a surgical or medical instrument provided with an RFID tag according to the invention. Non-limiting examples are medical or rigid endoscopes or surgical power tools.
The invention will hereinafter be further elucidated with reference to the drawing of exemplary embodiments of an application of a RFID tag according to the invention that is not limiting as to the appended claims.
In the drawing: -figure 1 shows surgical scissors provided with an RFID tag according to the invention; -figure 2 and 3 provide top-views of the RFID tag according to the invention placed on medical optics and medical bore-equipment respectively; -figures 4.1 and 4.2 show in cross-sectional view a first and second embodiment of the RFID tag according to the invention; -figures 5.1 and 5.2 show in cross-sectional view a third and fourth embodiment of the RFID tag according to the invention; -figures 6.1 and 6.2 show in cross-sectional view a fifth and sixth embodiment of the RFID tag according to the invention; -figure 7 shows an isometric view of an RFID tag according to the invention provided on a support which is embodied as a closed ring; -figure 8 shows the RFID tag of figure 7 mounted on a part of an optical medical instrument; -figure 9 shows a side view of an RFID tag according to a first embodiment of a support embodied with two legs mountable on an instrument; and -figure 10 shows a side view of an RFID tag according to a second embodiment of a support embodied with two legs mountable on an instrument.
Whenever in the figures the same reference numerals are applied, these numerals refer to the same parts.
Making first reference to figure 1 an RFID tag 1 is shown directly mounted on surgical scissors 2. In figure 2 and 3 the RFID tag 1 is positioned on medical optics and medical bore-equipment respectively.
The RFID tag 1 is in several embodiments shown in figures 4.1, 4.2, 5.1, 5.2, 6.1 and 6.2.
In figure 7 the RFID tag 1 of the invention is shown mounted on a support 9 in the form of closed ring 14, whereas in figure 8 the support 9 with the RFID tag 1 are shown when slided on an optical medical instrument 2. The RFID tag 1 is thus indirectly mounted on the optical medical instrument 2 through the intermediate of the support 9.
As can be best seen in figures 4.1, 4.2, 5.1, 5.2, 6.1 and 6.2., the different embodiments of the RFID tag 1 of the invention share the features that it comprises: a metal ring shaped holder 3, a housing 4 supported by the metal ring shaped holder 3, and an RFID element 5 placed in the housing 4. Another feature that preferably all embodiments share is that the housing 4 is substantially or essentially contained within the metal ring shaped holder 3. The housing 4 can be a void within the metal ring shaped holder 3 or may comprise a particular material, such as plastic or ceramic. If the housing 4 comprises a material it is preferred that this material is epoxy resin.
Figures 4.1 and 4.2 show a first and second embodiment wherein the metal ring shaped holder 3 has a bottom edge 3' and a top edge 3'' and a ring-shaped wall 6 which tapers with a decreasing diameter from the bottom edge 3' to the top edge 3'’ . In figure 4.1 the embodiment is shown that the housing 4 comprises an epoxy resin wherein the RFID element 5 is embedded. In figure 4.2 the embodiment is shown that the housing 4 is a void within the metal ring shaped holder 3 wherein the RFID element 5 is provided. Preferably the RFID element 5 is then glued within the metal ring shaped holder 3 to prevent that it drifts around. It is further shown that a lid 15 closes off the top edge 3'' of the metal ring shaped holder 3.
Figures 5.1 and 5.2 show the embodiment that the metal ring shaped holder 3 has a bottom edge 3' and a top edge 3'' wherein the bottom edge 3' (as is also the case in the embodiments of figures 4.1, 4.2 and figures 6.1 and 6.2) is mounted on the surgical scissors 2, and the top edge 3'' is provided with an inwardly protruding ridge 7. In figure 5.1 the ridge 7 provides the top edge 3'' with a smaller diameter of an aperture 8 delimited by the top edge 3'' than the bottom edge 3' which counteracts that the housing 4 comprising an epoxy resin escapes from the metal ring holder 3. In figure 5.2 the embodiment is shown that the housing 4 is a void within the metal ring shaped holder 3 wherein the RFID element 5 is provided, preferably by gluing. In this case a lid 15 placed behind the ridge 7 closes off the top edge 3'' and the aperture 8 of the metal ring shaped holder 3.
Figure 6.1 and 6.2 show combinations of the features of the embodiments shown in figures 4.1, 4.2 and 5.1 and 5.2.
Turning back to figure 7 wherein is shown that the metal ring shaped holder 3 of the RFID tag 1 is provided on a support 9 that is mounted or mountable on a surgical or medical equipment 2, it is further shown that the support 9 has a base 10 carrying the metal ring shaped holder 3.
In figure 7 the support 9 is embodied as a closed ring 14 that snugly fits around a part of the surgical or medical equipment 2, as is shown in figure 8 in relation to an optical medical instrument. In figure 8 only a part of the optical medical equipment is shown on which the closed ring 14 is slided. To secure the mounting of the closed ring 14 on the optical equipment it is a preferable option to glue the ring 14 on the equipment 2.
As an alternative to the application of a closed ring 14 as figure 7 shows, the base 10 can on opposite sides be provided with disconnected legs 11, 12 by arranging that a slit is present in the ring 14 at the location of reference 13 in figure 7. The legs 11, 12 can then be arranged to be closa-ble around a part of the surgical or medical equipment 2 to which the RFID tag 1 must be connected. Figure 9 and figure 10 provide two examples of such a construction. In figure 9 the legs are rounded; in figure 10 the legs are rectangular. It will be clear for the skilled person that many shapes of the legs 11, 12 are feasible. As mentioned earlier the support 9, in particular the legs 11, 12 can be glued on the surgical or medical equipment to which the RFID tag 1 must be connected. Suitably gluing can be done with an epoxy resin, and follows laser welding of the legs 11, 12 to each other after fitting the legs around the surgical or medical equipment.
Although the invention has been discussed in the foregoing with reference to exemplary embodiments of the RFID tag of the invention and its use, the invention is not restricted to these particular embodiments which can be varied in many ways without departing from the invention. The discussed exemplary embodiments shall therefore not be used to construe the appended claims strictly in accordance therewith. On the contrary the embodiments are merely intended to explain the wording of the appended claims without intent to limit the claims. The scope of protection of the invention shall therefore be construed in accordance with the appended claims only, wherein a possible ambiguity in the wording of the claims shall be resolved using these exemplary embodiments.

Claims (9)

1. RFID tag (1) gemonteerd of monteerbaar op chirurgische of medische apparatuur of op een chirurgisch of medisch instrument (2) omvattende: - een metalen ringvormige houder (3) , een behuizing (4) gedragen door de metalen ringvormige houder (3), en een RFID element (5) welke in de behuizing (4) is geplaatst, met het kenmerk, dat de metalen ringvormige houder (3) gelast is op een steun (9) die gemonteerd is of monteerbaar is op de chirurgische of medische apparatuur of instrument (2) zonder deze op de chirurgische of medische apparatuur of instrument (2} te lassen door te bewerkstelligen dat de steun (9) een basis (10) bezit die de metalen ringvormige houder (3) draagt, waarbij de basis aan tegenover elkaar gelegen zijden benen (11, 12} bezit die gesloten zijn of sluitbaar zijn rond een deel van de chirurgische of medische apparatuur of instrument (2} voor het bij voorkeur vormen van een gesloten ring (14) die nauwsluitend past rond een deel van de chirurgische of medische apparatuur of instrument (2).An RFID tag (1) mounted or mountable on surgical or medical equipment or on a surgical or medical instrument (2) comprising: - a metal annular holder (3), a housing (4) carried by the metal annular holder (3) and an RFID element (5) placed in the housing (4), characterized in that the metal annular holder (3) is welded to a support (9) that is mounted or mountable on the surgical or medical equipment or instrument (2) without welding it onto the surgical or medical equipment or instrument (2} by causing the support (9) to have a base (10) carrying the metal annular holder (3), the base being opposite has mutually located side legs (11, 12} that are closed or closable around a portion of the surgical or medical equipment or instrument (2} to preferably form a closed ring (14) that fits snugly around a portion of the surgical or medical equipment o f instrument (2). 2. RFID tag volgens conclusie 1, met het kenmerk, dat de steun (9) gelijmd is op de chirurgische of medische apparatuur of instrument (2).RFID tag according to claim 1, characterized in that the support (9) is glued to the surgical or medical equipment or instrument (2). 3. RFID tag volgens één der voorgaande conclusies 1 -2 of volgens de aanhef van conclusie 1, met het kenmerk, dat de behuizing (4) in hoofdzaak of essentieel ligt binnen de metalen ringvormige houder (3).RFID tag according to one of the preceding claims 1-2 or according to the preamble of claim 1, characterized in that the housing (4) lies substantially or essentially within the metal annular holder (3). 4. RFID tag volgens één der voorgaande conclusies 1 - 3, met het kenmerk, dat de behuizing (4) één omvat van een ruimte waarin het RFID element (5) is opgenomen, of een epoxyhars waarin het RFID element (5) is ingebed.An RFID tag according to any one of the preceding claims 1 - 3, characterized in that the housing (4) comprises one of a space in which the RFID element (5) is included, or an epoxy resin in which the RFID element (5) is embedded . 5. RFID tag volgens één der voorgaande conclusies 1 - 4, met het kenmerk, dat de metalen ringvormige houder (3) een bodemrand (3') en een bovenrand (3'' ) bezit en een ringvormige wand (6) die taps toeloopt met een afnemende diameter vanaf de bodemrand (3') naar de bovenrand (3'’).RFID tag according to one of the preceding claims 1 to 4, characterized in that the metal annular holder (3) has a bottom edge (3 ') and an upper edge (3' ') and an annular wall (6) that tapers with a decreasing diameter from the bottom edge (3 ') to the top edge (3' '). 6. RFID tag volgens één der voorgaande conclusies 1 -5, met het kenmerk, dat de metalen ringvormige houder (3} een bodemrand (3') en een bovenrand (3'') bezit waarbij de bodem-rand (3') gemonteerd is of ingericht is om gemonteerd te worden op de chirurgische of medische apparatuur of instrument (2), en de bovenrand (3'') voorzien is van een binnenwaarts uitstekende rand (7) voor het verschaffen van een opening (8) die begrensd wordt door de bovenrand (3'') met een kleinere diameter dan de bodemrand {3')·RFID tag according to one of the preceding claims 1 to 5, characterized in that the metal annular holder (3} has a bottom edge (3 ') and an upper edge (3' ') with the bottom edge (3') mounted or is arranged to be mounted on the surgical or medical device or instrument (2), and the upper edge (3 '') is provided with an inwardly projecting edge (7) for providing an opening (8) that is limited through the top edge (3 '') with a smaller diameter than the bottom edge {3 ') 7. RFID tag volgens de aanhef van conclusie 1 of volgens één der voorgaande conclusies 1-6, met het kenmerk, dat de metalen ringvormige houder (3) voorzien is van een kap (15) die transparant is voor elektrische velden, bij voorkeur van plastic.RFID tag according to the preamble of claim 1 or according to one of the preceding claims 1-6, characterized in that the metal annular holder (3) is provided with a cap (15) that is transparent to electric fields, preferably from plastic. 8. RFID tag volgens conclusie 7, met het kenmerk, dat de kap de bovenrand (3'') afsluit.RFID tag according to claim 7, characterized in that the cap closes the top edge (3 ''). 9. Chirurgische of medische apparatuur of instrument (2) voorzien van een RFID tag (1) volgens één der conclusies 1-8.A surgical or medical device or instrument (2) provided with an RFID tag (1) according to any one of claims 1-8.
NL2017100A 2016-03-24 2016-07-05 An RFID tag mounted or mountable on surgical or medical equipment or on a surgical or medical instrument NL2017100B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2016488A NL2016488B1 (en) 2016-03-24 2016-03-24 An RFID tag mounted or mountable on surgical or medical equipment or on a surgical or medical instrument.

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NL2017100A NL2017100A (en) 2017-10-02
NL2017100B1 true NL2017100B1 (en) 2017-10-06

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NL2016488A NL2016488B1 (en) 2016-03-24 2016-03-24 An RFID tag mounted or mountable on surgical or medical equipment or on a surgical or medical instrument.
NL2017100A NL2017100B1 (en) 2016-03-24 2016-07-05 An RFID tag mounted or mountable on surgical or medical equipment or on a surgical or medical instrument

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7256699B2 (en) * 2005-03-24 2007-08-14 Sdgi Holdings, Inc. Button-type RFID tag
FR2918769B1 (en) * 2007-07-09 2009-11-13 Nicolas Bara OPAQUE RADIO FREQUENCY RADIO FREQUENCY IDENTIFICATION MARKER.
US8354931B2 (en) * 2008-08-06 2013-01-15 Rf Surgical Systems, Inc. Transponder device to mark implements, such as surgical implements, and method of manufacturing and using same
US9122967B2 (en) * 2010-04-14 2015-09-01 Technologies Roi, Llc Radio frequency identification tags and methods employing ceramic components, which may be suitable for use in extreme environmental conditions
EP2383682B1 (en) * 2010-04-27 2012-10-17 Milestone S.r.l. Vessel with RFID tag
DE102011052501A1 (en) * 2011-08-08 2013-02-14 Aesculap Ag RFID tag
EP2587414B1 (en) * 2011-10-31 2015-06-17 Tata Consultancy Services Limited Packaged rfid passive tag for small sized devices
CA2886005C (en) * 2012-09-24 2017-04-11 Satyatek Sa Radio frequency identification capsule (rfid)

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NL2017100A (en) 2017-10-02
NL2016488A (en) 2017-10-02

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