WO2015076746A1 - Appareil, dispositifs et procédés de suivi et de comptabilisation d'instruments médicaux et/ou d'éponges - Google Patents

Appareil, dispositifs et procédés de suivi et de comptabilisation d'instruments médicaux et/ou d'éponges Download PDF

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Publication number
WO2015076746A1
WO2015076746A1 PCT/SG2013/000495 SG2013000495W WO2015076746A1 WO 2015076746 A1 WO2015076746 A1 WO 2015076746A1 SG 2013000495 W SG2013000495 W SG 2013000495W WO 2015076746 A1 WO2015076746 A1 WO 2015076746A1
Authority
WO
WIPO (PCT)
Prior art keywords
medical
sponges
medical instruments
transponders
instruments
Prior art date
Application number
PCT/SG2013/000495
Other languages
English (en)
Inventor
Song Huat ANG
Nagalingam CHANDRAMOHAN
Rahul ZILPE
Original Assignee
O'connor's Technology Pte Ltd
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 O'connor's Technology Pte Ltd filed Critical O'connor's Technology Pte Ltd
Priority to PCT/SG2013/000495 priority Critical patent/WO2015076746A1/fr
Publication of WO2015076746A1 publication Critical patent/WO2015076746A1/fr

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Classifications

    • 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
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2216—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in interrogator/reader equipment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/10—Furniture specially adapted for surgical or diagnostic appliances or instruments
    • A61B50/13—Trolleys, e.g. carts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A61B50/33—Trays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A61B50/36—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A61B50/36—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles
    • A61B50/37—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles for absorbent articles, e.g. bandages, garments, swabs or towels
    • A61B2050/375—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles for absorbent articles, e.g. bandages, garments, swabs or towels for sponges
    • 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
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
    • H04Q2209/47—Arrangements in telecontrol or telemetry systems using a wireless architecture using RFID associated with sensors

Definitions

  • the present invention relates to the tracking of medical instruments and/or sponges in medical procedure rooms and/or sterile supply units and more particularly to an apparatus, devices and methods for tracking and accounting for medical instruments and/or sponges in medical procedure rooms and/or sterile supply units.
  • the present invention provides an apparatus for tracking and accounting for medical instruments and/or sponges.
  • the apparatus includes a computing device and one or more transceivers coupled to the computing device.
  • the one or more transceivers are configured to communicate with a plurality of first transponders, the first transponders being coupled to respective ones of a plurality of medical instruments.
  • the computing device is configured to track the medical instruments based on data transmitted from the first transponders and received by the one or more transceivers.
  • the present invention provides a transponder device for a medical instrument.
  • the transponder device includes a radio-frequency identification (RFID) tag, an enclosure housing the RFID tag, and a tab extending from the enclosure.
  • the enclosure is made of a medical grade plastic material and the tab is made of a metallic material. A free end of the tab is arranged to be attached to the medical instrument.
  • RFID radio-frequency identification
  • the present invention provides a medical instrument having the transponder device according to the second aspect attached thereto.
  • the tab of the transponder device extends a distance of between about 5 mm and about 10 mm between the enclosure housing the RFID tag and the medical instrument.
  • the present invention provides a receptacle for medical sponges.
  • the receptacle includes a base and a wall arrangement extending from the base.
  • the wall arrangement defines a volume for receiving one or more medical sponges with the base.
  • the wall arrangement is arranged to be removably received over an antenna arrangement for tracking the one or more medical sponges.
  • the present invention provides a method of tracking medical instruments in a sterile supply unit.
  • the method includes receiving a plurality of medical instruments, each of the medical instruments being coupled to a transponder; obtaining data including location data on the medical instruments from the transponders; updating the location data of the medical instruments whenever the medical instruments are moved to a new location; performing a sterilization process on the medical instruments; and storing the sterilized medical instruments.
  • the present invention provides a method of tracking and accounting for medical instruments and/or sponges in a medical procedure room.
  • the method includes providing details of a medical procedure to be performed; receiving a plurality of medical instruments for the medical procedure, each of the medical instruments being coupled to a first transponder; obtaining a count of the medical instruments received via the first transponders; obtaining a final count of the medical instruments via the first transponders at an end of the medical procedure to determine if any one of the medical instruments is missing.
  • FIG. 1 is a schematic block diagram of an apparatus for tracking and accounting for medical instruments and/or sponges in accordance with one embodiment of the present invention
  • FIG. 2 is an enlarged perspective view of a transponder device for a medical instrument in accordance with one embodiment of the present invention
  • FIG. 3 is an enlarged perspective view of a medical instrument having the transponder device of FIG. 2 attached thereto;
  • FIG. 4 is a schematic top plan view of a first antenna arrangement in accordance with one embodiment of the present invention.
  • FIG. 5 is a schematic top plan view of a first antenna arrangement in accordance with another embodiment of the present invention.
  • FIG. 6 is a schematic perspective view of a second antenna arrangement in accordance with one embodiment of the present invention
  • FIG. 7 is a perspective view of a first receptacle and a second receptacle for medical sponges in accordance with one embodiment of the present invention
  • FIG. 8 is a perspective view of a clean bin setup in accordance with one embodiment of the present invention
  • FIG. 9 is a perspective view of a soiled bin setup in accordance with one embodiment of the present invention.
  • FIG. 10 is a perspective view of a third antenna arrangement in accordance with one embodiment of the present invention.
  • FIG. 1 is a flowchart illustrating a method of tracking medical instruments in a sterile supply unit in accordance with one embodiment of the present invention.
  • FIG. 12 is a flowchart illustrating a method of tracking and accounting for medical instruments and/or sponges in a medical procedure room in accordance with one embodiment of the present invention.
  • the tracking apparatus 10 includes a computing device 12 and one or more transceivers 14, 16 and/or 18 coupled to the computing device 12.
  • the one or more transceivers 14, 16 and/or 18 are configured to communicate with a plurality of first transponders 20 and/or a plurality of second transponders 22.
  • the first transponders 20 are coupled to respective ones of a plurality of medical instruments 24 and the second transponders 22 are coupled to respective ones of a plurality of medical sponges 26.
  • the computing device 12 is configured to track the medical instruments 24 based on data transmitted from the first transponders 20 and received by the one or more transceivers 14, 16 and/or 18.
  • the computing device 12 is further configured to obtain and keep a count of the medical sponges 26 based on data transmitted from the second transponders 22 and received by the one or more transceivers 14, 16 and/or 18.
  • the computing device 12 includes a database 28 that is configured to store information on the medical instruments 24 and/or sponges 26.
  • one or more antenna arrangements 30, 32, 34 and/or 36 and, optionally, one or more multiplexers 38 are provided to receive the data transmitted from the first and second transponders 20 and 22 and to communicate the received data to the one or more transceivers 14, 16 and/or 18.
  • Each of the one or more antenna arrangements 30, 32, 34 and/or 36 may be directly coupled to respective ones of the one or more transceivers 14, 16 and/or 18 or via the one or more multiplexers 38.
  • the computing device 12 may be any programmable machine and typically includes a central processing unit (CPU), memory, input and output devices, and buses interconnecting the components of the computing device 12.
  • the computing device 12 may be a touch screen personal computer (PC) connected to a local area network (LAN).
  • PC personal computer
  • LAN local area network
  • the one or more transceivers 14, 16 and/or 18 control data acquisition and communications within the system.
  • the one or more transceivers 14, 16 and/or 18 perform radio communications via the one or more antenna arrangements 30, 32, 34 and/or 36 and pass information received from the first and second transponders 20 and 22 to the computing device 12.
  • the one or more transceivers 14, 16 and/or 18 are radio-frequency identification (RFID) readers.
  • RFID radio-frequency identification
  • each of the one or more transceivers 14, 16 and/or 18 includes a local controller and a reader interface layer. The local controller is able to convert a high frequency (HF) analog signal to a digital signal.
  • HF high frequency
  • the reader interface layer is able to compress thousands of identification signals and acts as a conduit between the RFID hardware elements and the application software on the computing device 12.
  • the one or more transceivers 14, 16 and/or 18 are configured to receive a plurality of identifiers, the identifiers being transmitted from respective ones of the first and second transponders 20 and 22.
  • the first and second transponders 20 and 22 in the present embodiment are RFID tags.
  • the RFID tags contain coded information and are programmed with a unique set of data. Identification numbers for the RFID tags may be based on 128- bit architecture.
  • the first and second transponders 20 and 22 are configured to transmit information that uniquely identifies the RFID tags.
  • An identifier from one of the first transponders 20 may include one or more of a unique identifier, a transponder type identifier, an instrument set identifier, a maintenance cycle identifier, a utilization record identifier and a location identifier.
  • An identifier from one of the second transponders 22 may include one or more of a unique identifier, a transponder type identifier, a sponge type identifier, a sponge batch identifier, a sponge manufacturing date and a sponge expiry date.
  • the unique identifier may include encrypted code to identify a specific transponder.
  • the transponder type identifier may include code to identify a specific transponder type such as, for example, whether the transponder is an instrument tag, an instrument set tag, a sponge tag or a user identification (ID) tag.
  • code to identify a specific transponder type such as, for example, whether the transponder is an instrument tag, an instrument set tag, a sponge tag or a user identification (ID) tag.
  • the instrument set identifier helps to identify an instrument set that an instrument is associated with.
  • Examples of the instrument set include, but are not limited to, a caesarean surgery instrument set, an open-heart surgery set, an organ transplant surgery set, a bone fracture correction surgery set, a brain tumour removal surgery set, a skin surgery set, etc.
  • the maintenance cycle identifier specifies the frequency of maintenance required by an instrument, for example, whether the instrument is in need of maintenance after the fifth (5 th ) use, the tenth (10 th ) use or the hundredth (100 th ) use, or if the instrument is to be discarded.
  • the utilization record identifier specifies the number of times an instrument has been used.
  • the location identifier specifies the location of an instrument, for example, whether the instrument is at a washing station, a packing station, a sterilization storage area, an operating theatre, a maintenance station, etc.
  • the sponge type identifier specifies the type of sponge to which the transponder is coupled, for example, the transponder may be coupled to a raytex gauze, an abdominal swab or a pad.
  • the sponge batch identifier serves to identify the sponge production batch number.
  • the integrated circuits (ICs) or chips of the first and second transponders 20 and 22 operate at a frequency of 13.56 megahertz (MHz) and support the International Organization for Standardization (ISO) standard for vicinity cards, namely ISO 15693.
  • the one or more transceivers 14, 16 and/or 18 are configured to communicate with the first and second transponders 20 and 22 at a frequency of 13.56 megahertz (MHz).
  • MHz 13.56 megahertz
  • the first and second transponders 20 and 22 in the present embodiment are passive RFID tags.
  • this allows the first and second transponders 20 and 22 to operate without a separate external power source; the first and second transponders 20 and 22 receive power remotely from the one or more transceivers 14, 16 and/or 18.
  • the one or more transceivers 14, 16 and/or 18 transmit electromagnetic energy to the RFID tags 20 and 22 and the antennas of the RFID tags 20 and 22 backscatter Electronic Product Code (EPC) data back to the one or more transceivers 4, 16 and/or 18.
  • EPC Electronic Product Code
  • the dimensions of passive RFID tags are much smaller than active and semi-passive RFID tags, allowing these to be incorporated with the medical instruments 24 and the medical sponges 26.
  • the first transponders 20 are small, high performance RFID tags.
  • each of the first transponders 20 has a length of less than about 10 millimetres (mm) to achieve reading efficiency and a thickness of about 1 mm or less.
  • this facilitates incorporation of the first transponders 20 with the medical instruments 24.
  • the first transponders 20 may be cingulated module tags.
  • this facilitates encapsulation of the first transponders 20 into small items such as pharmaceutical vials.
  • the first transponders 20 are waterproof and are able to withstand the high temperatures of an instrument sterilization process.
  • the first transponders 20 are able to withstand a temperature of between about minus (-) 40 degrees Celsius (°C) and about 120 °C.
  • a temperature of between about minus (-) 40 degrees Celsius (°C) and about 120 °C is able to withstand.
  • a coiled antenna may be provided with the first transponders 20.
  • each of the first transponders 20 has a mass of less than 60 milligrams (mg).
  • the first transponders 20 may have relatively short read-ranges of up to about 15 centimetres (cm).
  • the transponder device 50 for one of the medical instruments 24 and incorporating one of the first transponders 20 is shown.
  • the transponder device 50 includes a radio-frequency identification (RFID) tag 20, an enclosure 52 housing the RFID tag 20, and a tab 54 extending from the enclosure 52.
  • the enclosure 52 includes a holder 56 having an opening 58 for receiving the RFID tag 20 and a cap 60 to cover the opening 58 of the holder 56.
  • a free end 62 of the tab 54 is arranged to be attached to the medical instrument 24.
  • the enclosure 52 serves to protect the RFID tag 20 during the instrument sterilization process and is made of a medical grade plastic material.
  • medical grade plastic material is a material whose properties make it suitable for use in the manufacture of medical products that require regular autoclave sterilization. Such a material is inherently low in toxicity and presents a low risk of unfavourable biological reactions. Additionally, such a material also presents low interactivity and interference with the radio frequencies used by the , RFID tag 20.
  • the dimensions of the enclosure 52 are also selected to provide sufficient clearance between the RFID tag 20 and adjacent instruments that may interfere with radio frequency signal transmission. Additionally, the dimensions of the enclosure 52 cannot be too large as this will obstruct use of the medical instrument 24 to which the transponder device 50 is attached.
  • the enclosure 52 has a length L of between about 10 mm and about 15 mm, a width W of between about 10 mm and about 13 mm and a thickness T of between about 0.4 mm and about 0.6 mm.
  • the tab 54 is made of a metallic material and serves to allow the plastic enclosure 52 to be securely attached or bonded to a medical instrument 24.
  • the tab 54 is a stainless steel strip that is introduced during the molding of the enclosure 52 and is thus formed with the enclosure 52 during the molding process. Accordingly, as can be seen from FIG. 2, a portion of the tab 54 is embedded in the enclosure 52.
  • the tab 54 is T-shaped and is provided with a through hole 62 to receive a corresponding protrusion formed in the enclosure 52.
  • this facilitates secure attachment of the tab 54 to the enclosure 52 and helps prevent dislodgement of the tab 54 from the enclosure 52.
  • the cap 60 is attached to the holder 56 by ultrasonic welding in order to retain the RFID tag 20 securely in the enclosure 52.
  • ultrasonic welding fuses or bonds the cap 60 to the holder 56 leaving no seams or crevices where blood or other residue can settle.
  • the tab 54 of the transponder device 50 extends a distance D between the enclosure 52 housing the RFID tag 20 and the medical instrument 24.
  • the tab 54 also serves to provide a radio frequency interference clearance gap between the RFID tag 20 and the metallic medical instrument 24.
  • the tab 54 of the transponder device 50 extends a distance D of between about 4 mm and about 10 mm between the enclosure 52 housing the RFID tag 20 and the medical instrument 24.
  • the tab 54 of the transponder device 50 is attached to the medical instrument 20 by macro laser welding.
  • macro laser welding is most suitable for securely bonding two stainless steel objects together using only a small contact area and furthermore produces a durable bond with a clean and smooth finish at the welded surface, the latter being desirable for meeting the cleanliness standards for medical instruments 24 as macro laser welding helps ensure that there are no crevices where blood or other residue can settle.
  • the second transponders 22 of the present embodiment are small in size.
  • each of the second transponders 22 has a length of between about 15 mm and about 25 mm and a thickness of about 1 mm.
  • the second transponders 22 are also waterproof and have high temperature resistance.
  • the second transponders 22 are able to withstand a temperature of between about -25 °C and about 180 °C.
  • this allows the second transponders 22 to withstand a high temperature sterilization process.
  • each of the second transponders 22 includes a coil-type antenna and the second transponders 22 are encapsulated with epoxy to protect the antenna coils.
  • each of the second transponders 22 has an operating distance of up to 15 centimetres (cm).
  • each of the second transponders 22 is a read and write RFID tag.
  • the medical instruments 24 may be any implements, tools, or utensils that are used during a medical procedure. Non-limiting examples include scalpels, forceps, scissors and clamps.
  • the medical sponges 26 may be any gauze pads used to absorb blood or other fluids during a medical procedure. Examples of the medical sponges 26 include, but are not limited to, raytex gauzes, abdominal swabs, lahey swabs, tonsil squares and tonsil swabs.
  • the database 28 is a local database for data integrity and safety and is linked to a centralized server database with which data is synchronized.
  • the database 28 stores information such as patient information, type of operation, location of operation, surgical team information, instrument usage details, sponge usage details and/or instrument location details.
  • the database 28 captures sponge and instrument usage information during various operating stages with accountability details.
  • the local database 28 works independently from the centralized server database and thus service updates do not affect normal system usage. Furthermore, integrity is achieved by having data that is locally present on the system. In case of an update failure, the same data can be recovered from the local database. Network issues will not affect the functioning of the tracking apparatus 10 as the data is locally present on the system.
  • the one or more antenna arrangements 30, 32, 34 and/or 36 serve as conduits between the one or more transceivers 14, 16 and/or 18 and the first and second transponders 20 and 22.
  • the one or more antenna arrangements 30, 32, 34 and/or 36 emit radio signals to activate the first and second transponders 20 and 22 and to read and/or write data to and from them.
  • the one or more antenna arrangements 30, 32, 34 and/or 36 are externally provided.
  • a first antenna arrangement 30 is coupled via one of the one or more multiplexers 38 to a first transceiver 14, and a second antenna arrangement 32 is either directly coupled to one of the one or more transceivers 14, 16 and/or 18 or coupled via one of the one or more multiplexers 38.
  • a third antenna arrangement 34 may be either directly coupled to one of the one or more transceivers 14, 16 and/or 18 or coupled via one of the one or more multiplexers 38.
  • a fourth antenna arrangement 36 may be coupled directly to one of the one or more transceivers 14, 16 and/or 18.
  • the first antenna arrangement 30 is coupled to the first transceiver 14 and is configured to receive the data from the first transponders 20 coupled to respective ones of the medical instruments 24.
  • the first antenna arrangement 30 is incorporated into an instrument tray 70.
  • the first antenna arrangement 30 is a coiled antenna embedded within the instrument tray 70, the antenna being coiled within the plane of the instrument tray 70.
  • the first antenna arrangement 30 may be provided in a range of sizes of up to 0.6 metre (m) by 1 m.
  • the coils of the first transponders 20 and the first antenna arrangement 30 have mutual inductance to one another.
  • the coil of the first antenna arrangement 30 carries an alternating current producing a magnetic field in the vicinity of the first transceiver 14. This magnetic field charges up the coils of the first transponders 20 and switches on the circuitry inside the first transponders 20.
  • the first transponders 20 respond by transmitting data back to the first transceiver 14.
  • the first antenna arrangement 30 includes a first looped antenna 72 and a second looped antenna 74 embedded side-by-side within the instrument tray 70 in a planar arrangement.
  • the second antenna arrangement 32 includes a plurality of first antennas 100 arranged to define a boundary and a plurality of second antennas 102 in a base portion defined by the boundary.
  • the second antenna arrangement 32 is able to read a plurality of tagged items received within the defined boundary regardless of the orientation of the tagged items including, for example, a pack of stacked up tagged items. This simplifies usage and improves the reliability of the tracking apparatus 10.
  • each of the first and second antennas 100 and 102 includes a plurality of copper tracks etched onto a printed circuit board (PCB).
  • each of the first antennas 100 is formed as a single loop antenna.
  • opposing pairs of the first antennas 100 are coupled to one another to facilitate sequential reading of tagged items received within the defined boundary first by one pair of the first antennas 100 followed by the other pair.
  • this increases the read sensitivity of the second antenna arrangement 32.
  • the second antennas 102 are formed concentrically one within another.
  • this also increases the read sensitivity of the second antenna arrangement 32.
  • the antennas 100 and 102 are optimized for operation with mid range high frequency (HF) readers and are designed to read only high frequency (HF) 13.56 MHz passive RFID tags.
  • the antennas 100 and 102 are configured to operate within an approved frequency range and do not interfere with any other low frequency (LF) and ultra high frequency (UHF) frequency ranges.
  • the second antenna arrangement 32 may be employed for a clean bin application or a soiled bin application. In the clean bin application, the second antenna arrangement 32 is used to read and count tagged clean medical sponges or gauzes 26 in an operating theatre (OT) or medical procedure room. In the soiled bin application, the second antenna arrangement 32 is used to read and count tagged soiled medical sponges or gauzes 26 in the operating theatre or medical procedure room.
  • the arrangement of the multiple antennas 100 and 102 allows a user to randomly deposit the medical sponges or gauzes 26 into the clean or soiled bin instead of deliberately stacking or arranging them in the bins. This manner of depositing the medical sponges or gauzes 26 is more natural and intuitive.
  • the arrangement of the antennas 100 and 102 in the soiled bin application allows soiled gauzes to be placed in any orientation in the soiled bin and is not affected by the degree of soiling of the gauzes.
  • the activation of the antennas 100 and 102 in the second antenna arrangement 32 to read the tags 22 may be sequential or simultaneous.
  • a receptacle 150 or 152 for receiving the medical sponges 26 is provided over the second antenna arrangement 32. Embodiments of the receptacle 150 or 152 are described in greater detail below with reference to FIGS. 7, 8 and 9.
  • the receptacle 150 or 152 is arranged to be removably received over the second antenna arrangement 32.
  • Each of the first and second receptacles 150 and 152 includes a base 154 and 156 and a wall arrangement 158 and 160 extending from the base 154 and 156.
  • the wall arrangement 158 and 160 defines a volume for receiving one or more of the medical sponges 26 with the base 154 and 156 and is arranged to be removably received over the second antenna arrangement 32 of FIG. 6 for tracking the one or more medical sponges 26.
  • the wall arrangement 158 and 160 includes a first wall 162 and 164 and a second wall 166 and 168. A space 1 0 and 172 is defined between the first and second walls 162, 164, 166 and 168 for receiving the second antenna arrangement 32.
  • the first or inner wall 162 and 164 is designed to slope away from top to bottom and is moulded such that where the base 154 and 156 and the wall arrangement 158 and 160 meet, a curved edge is formed.
  • this reduces the presence of blind spots where the second transponders 22 cannot be detected.
  • the first receptacle or clean bin 150 is arranged to receive clean medical sponges 26 and the second receptacle or soiled bin 152 is arranged to receive soiled medical sponges 26.
  • the clean bin 150 and the soiled bin 152 are substantially the same except for the heights HCB and HSB of the clean and soiled bins 150 and 152.
  • the height HCB of the clean bin 150 is less than the height H S B of the soiled bin 152.
  • the difference in height between the clean bin 150 and the soiled bin 152 helps distinguish one from the other for hygiene reasons. Additionally, the greater depth of the soiled bin 152 is advantageous for accommodating the larger volume of used medical sponges as these are typically in an opened-up and/or unfolded state.
  • the bin design allows the clean bin 150 and the soiled bin 152 to be removed and autoclaved separately from the electronic components.
  • the first and second receptacles 150 and 152 are formed of a medical grade plastic to protect the second antenna arrangement 32.
  • the clean bin setup 200 includes a receptacle 202 for receiving sterile medical sponges 26 and an antenna arrangement (not shown) for obtaining and keeping a count of the sterile medical sponges 26 and over which the receptacle 202 is received.
  • the receptacle 202 and the antenna arrangement are provided on a mobile device, in this embodiment a cart 204 with a plurality of casters 206.
  • the cart 204 includes a door 208 that can be locked.
  • the clean bin setup 200 is used to count the number of sterile medical sponges 26 introduced during a medical procedure.
  • the receptacle 202 may be covered with a sterile cloth before stacking or placing sterile medical sponges 26 into the receptacle 202 in accordance with the operating theatre or procedure room protocol.
  • the casters 206 may be provided with back locks to lock the casters 206 and thus prevent the cart 204 from moving during the medical procedure.
  • the clean bin setup 200 is provided with a wireless adapter to link the clean bin setup 200 to a network for accessing the radio frequency identification (RFID) counting results.
  • RFID radio frequency identification
  • this allows preparation to be undertaken in a separate area that is remote from an operating table such as, for example, a preparation room next to an operating room.
  • the wireless embodiment also allows the clean bin setup 200 to be placed anywhere around the operating table such that it will not be obstructive to medical personnel. Furthermore, the absence of wires in the wireless embodiment reduces obstacles to personnel movement within the operating room.
  • the soiled bin setup 250 includes a receptacle 252 for receiving soiled medical sponges 26 and an antenna arrangement for obtaining and keeping a count of the soiled medical sponges 26 and over which the receptacle 252 is received.
  • the receptacle 252 and the antenna arrangement are provided on a base structure 258.
  • a plurality of casters 256 is mounted to the base structure 258 to facilitate movement of the soiled bin setup 250.
  • the antenna arrangement is received in the base structure 258.
  • a plurality of latches 260 is provided to secure the receptacle 252 to the base structure 258.
  • the soiled bin setup 250 is used to count the number of medical sponges 26 utilised during the course of the procedure.
  • the receptacle 252 may be covered with a sterile plastic bag before stacking or throwing the soiled medical sponges 26 into the receptacle 252 in accordance with the operating theatre or procedure room protocol.
  • the casters 256 may be provided with back locks to lock the casters 256 and thus prevent the soiled bin setup 250 from moving during the procedure.
  • the design of the base structure 258 allows removal of the receptacle 252 for cleaning and autoclaving.
  • the third antenna arrangement 34 is coupled to one of the one or more transceivers 14, 16 and/or 18.
  • the third antenna arrangement 34 includes a first single loop antenna 300 and a second single loop antenna 302 positioned coaxially within the first single loop antenna 300.
  • the first and second single loop antennas 300 and 302 are attached to a handle 304.
  • a connection cable 306 is provided to connect the third antenna arrangement 34 to one of the one or more transceivers 14, 16 and/or 18 or one of the one or more multiplexers 38.
  • the third antenna arrangement 34 is a handheld antenna arrangement.
  • the handheld antenna arrangement 34 is used to search for and locate any missing tagged medical instrument 24 or sponge 26 during the medical procedure.
  • the provision of two (2) single loop antennas results in a more concentrated or higher field strength and thus achieves better penetrative ability than a single loop antenna.
  • the first and second single loop antennas 300 and 302 may be used with any 13.56 MHz reader with an impedance of 50 ⁇ .
  • the first and second single loop antennas 300 and 302 are optimized for operation with a transceiver having an emitted transmitting power tuned to 1 W. In the same or a different embodiment, a reading range of between about 30 cm and 40 cm is achievable.
  • the maximum reading distance is realized in the middle of the first and second single ⁇ loop antennas 300 and 302 and the optimum orientation of the first and second single loop antennas 300 and 302 is when the first and second single loop antennas 300 and 301 are parallel to the first and second transponders 20 and 22.
  • connection cable 306 has a length of about 3.6 m.
  • connection cable 306 is an RF cable.
  • a fourth antenna arrangement 36 is used to identify and validate a user of the tracking apparatus 10 at various stages of use such as, for example, before additional medical instruments 24 and sponges 26 are introduced for a medical procedure and at the start of a counting process.
  • the fourth antenna arrangement 36 may be secured to a work surface area of the tracking apparatus 10.
  • the one or more multiplexers 38 are configured to select one of several analogue input signals from the various antenna arrangements and to forward the selected input to a single line. Use of the tracking apparatus 10 of FIG. 1 will now be described below with reference to FIGS. 11 and 12.
  • the sterile supply unit also known as the Central Sterile Supply Unit (CSSU) or Theatre Sterile Supply Unit (TSSU) is where an instrument set is washed, packed and sterilized.
  • CSSU Central Sterile Supply Unit
  • TSSU Theatre Sterile Supply Unit
  • the method 350 begins at step 352 when a plurality of medical instruments 24 is received.
  • Each of the medical instruments 24 is coupled to a transponder 20.
  • the medical instruments 24 arrive at the sterile supply unit in a contaminated condition after a medical procedure.
  • data including location data on the medical instruments 24 is obtained from the transponders 20. This may be by scanning the set of medical instruments 24 received with a handheld reader to update the set location. In one embodiment, the set location is automatically marked as "Received in CSSU/TSSU".
  • the received medical instruments 24 are compared to a predetermined package specification to determine if any medical instrument 24 is missing.
  • the predetermined package specification specifies the medical instruments 24 required for a specific medical procedure. In the event of a missing instrument, the user is alerted, for example, via the display screen of the tracking apparatus 10. This helps ensure that the medical instruments 24 are correctly packed.
  • the set of medical instruments 24 is then moved from the receiving station to a washing station.
  • the location data of the medical instruments 24 is updated at step 358 whenever the medical instruments 24 are moved to a new location. Accordingly, the set location is marked as "Washing Station” after the move and before the medical instruments 24 are washed.
  • the set of medical instruments 24 are transferred to a packing area and the set location is then updated as "Packing Area”. At the packing area, the instruments 24 are checked again against the predetermined package specification to ensure that no instruments 24 are missing and all the instruments 24 are clean and intact.
  • One or more medical instruments 24 in need of maintenance may be identified at step 360 based on usage data obtained from the transponders 20 of the medical instruments 24.
  • usage counts of the medical instruments 24 written into the transponders 20 are compared against predetermined usage thresholds of the medical instruments 24 to ascertain whether maintenance is required. If any defective instrument 24 is identified, the defective instrument 24 is sent for maintenance and a replacement instrument 24 is introduced so that the set of medical instruments 24 remains complete. The instruments 24 are then scanned, packed into a container and the container is sealed. The container in which the instruments 24 are packed is then transferred to a sterilization area and the set location is updated as "Sterilization”. At step 362, a sterilization process is performed on the medical instruments 24 in the container.
  • the instruments 24 in the container are transferred to a sterile storage room and location data of the medical instruments 24 is updated as "Storage".
  • the update is performed by scanning the instrument set using a fixed antenna.
  • the sterilized medical instruments 24 are stored at step 364.
  • the tracking apparatus 10 registers that the medical instruments 24 are moved out of storage when the medical instruments 24 are moved to a procedure room. As is evident from the foregoing, information is written to the transponders 20 of the medical instruments 24 and relayed to the database 28 during the entire process in the CSSU or TSSU. This information enables the system to track, for instance, frequency of use, which surgical procedure an instrument has been or is to be used for, which set of instruments it belongs to, etc.
  • FIG. 12 a flowchart illustrating a method 400 of tracking and accounting for medical instruments 24 and sponges 26 in a medical procedure room such as an operating theatre (OT) is shown.
  • OT operating theatre
  • the method 400 begins at step 402 with the provision of details of a medical procedure to be performed.
  • the details of the medical procedure to be performed are provided to the tracking apparatus 10. This includes information relevant to the procedure such as, for example, details of the patient, type of procedure or surgery and the attending staff.
  • a plurality of medical instruments 24 for the medical procedure is received.
  • Each of the medical instruments 24 is coupled to a first transponder 20.
  • the medical instruments 24 received are registered and a count of the medical instruments 24 received is obtained at step 406 via the first transponders 20.
  • registration is automatically performed and the count of the medical instruments 24 received is automatically obtained from the first transponders 20 by the tracking apparatus 10 when the medical instruments 24 are received on an instrument tray into which the first antenna arrangement 30 is incorporated.
  • the first transponders 20 are scanned by the first antenna arrangement 30 when the medical instruments 24 are placed on the instrument tray.
  • a verification is performed to determine if the medical instruments 24 received are valid for the medical procedure to be performed.
  • the tracking apparatus 10 verifies if the instrument set type is valid for a specific surgery and provides an alert in the event the instrument set type received is inappropriate.
  • the tracking apparatus 10 performs the verification by comparing the medical instruments 24 received to a predetermined case specification to determine if the medical instruments 24 received are valid for the medical procedure to be performed.
  • a plurality of medical sponges 26 is received at step 410. Each of the medical sponges 26 is coupled to a second transponder 22.
  • a count of the medical sponges 26 received is obtained via the second transponders 22.
  • the count of the medical sponges 26 is automatically obtained from the second transponders 22 by the tracking apparatus 10 when the medical sponges 26 are received in a first sponge receptacle or clean bin 150 placed over a second antenna arrangement 32.
  • An intermediate count is performed at step 414 during the medical procedure to determine if any item is missing.
  • the intermediate auto-count is performed to verify and locate all the medical instruments 24 and sponges 26.
  • the intermediate count may be performed more than once and at any time during the medical procedure.
  • an intermediate count is performed to determine if any medical instrument 24 or sponge 26 is missing prior to closure of the skin layer.
  • the count of the medical instruments 24 is updated at step 416 via the first transponders 20 when an additional medical instrument 24 is introduced for the medical procedure.
  • the count of the medical sponges 26 is updated via the second transponders 22 when one or more additional sponges 26 are introduced during the medical procedure
  • a final count of the medical instruments 24 is obtained at step 418 via the first transponders 20 to determine if any one of the medical instruments 24 is missing and a final count of the medical sponges 26 is obtained at step 420 via the second transponders 22 to determine if any one of the medical sponges 26 is missing.
  • the final count of the medical instruments 24 may be obtained when all the used instruments 24 are returned to the instrument tray.
  • the final count of the medical sponges 26 is automatically obtained from the second transponders 22 when the medical sponges 26 are received in a second sponge receptacle or soiled bin 152.
  • a search is performed at step 422 to locate the missing item with the handheld antenna arrangement 34. When found, the count is updated.
  • a bypass procedure may be performed at step 424 with approval from an authorized staff. If all the instruments 24 and sponges 26 are accounted for, the system allows an "End of Surgery" procedure to be performed and details of the medical procedure printed. The “End of Surgery” procedure cannot be performed unless all the instruments 24 and sponges 26 have been accounted for. However, the system allows authorised personnel to bypass this safety check under certain conditions such as, for example, when one or more sponges 26 are intentionally left in the patient as part of the medical procedure or when an instrument 24 or sponge 26 has been accounted for physically but the transponder is malfunctioning. A report containing details of the medical procedure may be generated by the tracking apparatus 10.
  • the used medical instruments 24 are returned to the sterile supply unit when the procedure is over.
  • the present invention provides an apparatus, devices and methods for tracking and accounting for medical instruments and/or sponges in medical procedure rooms and/or sterile supply units reliably.
  • the medical instruments and/or sponges are each given a unique identity and this allows the tracking apparatus to automate the counting of medical instrument and sponge usage and records the count results electronically.
  • this lowers the risk of having a surgical apparatus, a pad or any other sterile consumable left behind in a body of a patient after conclusion of a surgical procedure.
  • the present invention also facilitates tracking of maintenance cycles for medical instruments and grouping of medical instruments for different medical procedures.

Abstract

L'invention concerne un appareil (10), des dispositifs (50, 150, 152) et des procédés (350, 400) de suivi et de comptabilisation d'instruments médicaux (24) et/ou d'éponges (26) dans une unité d'approvisionnement stérile et/ou une salle d'actes médicaux. L'appareil (10) de suivi comprend un dispositif informatique (12) et un ou plusieurs émetteurs-récepteurs (14, 16, 18) couplés au dispositif informatique (12). L'émetteur-récepteur ou les émetteurs-récepteurs (14, 16, 18) sont configurés pour communiquer avec une pluralité de premiers et deuxièmes transpondeurs (20, 22), lesdits transpondeurs (20, 22) étant couplés à des instruments respectifs parmi une pluralité d'instruments médicaux (24) et d'éponges (26). Le dispositif informatique (12) est configuré pour suivre les instruments médicaux (24) et les éponges (26) d'après des données émises à partir des premiers et deuxièmes transpondeurs (20, 22) et reçues par l'émetteur-récepteur ou les émetteurs-récepteurs (14, 16, 18).
PCT/SG2013/000495 2013-11-21 2013-11-21 Appareil, dispositifs et procédés de suivi et de comptabilisation d'instruments médicaux et/ou d'éponges WO2015076746A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3103493A1 (fr) * 2015-06-12 2016-12-14 Carebay Europe Ltd. Dispositif de surveillance de dispositifs d'administration de médicaments
CN110384560A (zh) * 2018-04-23 2019-10-29 柯惠Lp公司 与具有无线应答器的可无线检测海绵相关的方法和设备
US10987185B2 (en) 2018-09-28 2021-04-27 O&M Halyard, Inc. Sterility breach detection system and controller system for a sterilization container
WO2024088954A1 (fr) * 2022-10-24 2024-05-02 Aesculap Ag Système de suivi optimisé dans un cycle de produit stérile, procédé de suivi et support d'enregistrement lisible par ordinateur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040183742A1 (en) * 2003-02-10 2004-09-23 Goff Edward D. Multi-loop antenna for radio frequency identification (RFID) communication
US20080238677A1 (en) * 2007-03-12 2008-10-02 Blair William A Transponder housing and device to mark implements, such as surgical implements, and method of using same
US20100201487A1 (en) * 2009-02-12 2010-08-12 HALDOR Advanced Technologies L.T.D Apparatus for identifying & tracking multiple tools and disposables
US20110181394A1 (en) * 2009-11-23 2011-07-28 William Blair Method and apparatus to account for transponder tagged objects used during medical procedures
US20130001305A1 (en) * 2006-09-13 2013-01-03 Clearcount Medical Solutions, Inc. Apparatus and Methods for Monitoring Objects in a Surgical Field

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040183742A1 (en) * 2003-02-10 2004-09-23 Goff Edward D. Multi-loop antenna for radio frequency identification (RFID) communication
US20130001305A1 (en) * 2006-09-13 2013-01-03 Clearcount Medical Solutions, Inc. Apparatus and Methods for Monitoring Objects in a Surgical Field
US20080238677A1 (en) * 2007-03-12 2008-10-02 Blair William A Transponder housing and device to mark implements, such as surgical implements, and method of using same
US20100201487A1 (en) * 2009-02-12 2010-08-12 HALDOR Advanced Technologies L.T.D Apparatus for identifying & tracking multiple tools and disposables
US20110181394A1 (en) * 2009-11-23 2011-07-28 William Blair Method and apparatus to account for transponder tagged objects used during medical procedures

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"HF-13.56-MHz-Product-Brochure", RFID INC., 13 October 2011 (2011-10-13), Retrieved from the Internet <URL:http://web.archive.org/web/20111013054836/http://www.rfidinc.com/pdfs/HF-13.56-MHz-Product-Brochure.pdf> [retrieved on 20140226] *
"SmartSponge Flex Brochure", CLEARCOUNT MEDICAL SOLUTIONS, 24 August 2013 (2013-08-24), Retrieved from the Internet <URL:http://clearcount.com/wp.content/uploads/docs/cet.brochure.pdf> [retrieved on 20140303] *
FERNANDEZ-CHIMENO ET AL.: "RFID systems in medical environment: EMC issues", INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC EUROPE ), 9TH INTERNATIONAL SYMPOSIUM ON EMC, 2010, Retrieved from the Internet <URL:http://upcommons.upc.edu/bitstream/handle/2117/12433/emceurope_2010_fernandez.pdf> [retrieved on 20131224] *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3103493A1 (fr) * 2015-06-12 2016-12-14 Carebay Europe Ltd. Dispositif de surveillance de dispositifs d'administration de médicaments
WO2016198428A1 (fr) * 2015-06-12 2016-12-15 Carebay Europe Ltd Dispositif de surveillance de dispositifs de distribution de médicament
US10943685B2 (en) 2015-06-12 2021-03-09 Shl Medical Ag Device for monitoring medication delivery devices
US11721422B2 (en) 2015-06-12 2023-08-08 Shl Medical Ag Device for monitoring medicament delivery devices
CN110384560A (zh) * 2018-04-23 2019-10-29 柯惠Lp公司 与具有无线应答器的可无线检测海绵相关的方法和设备
US10987185B2 (en) 2018-09-28 2021-04-27 O&M Halyard, Inc. Sterility breach detection system and controller system for a sterilization container
WO2024088954A1 (fr) * 2022-10-24 2024-05-02 Aesculap Ag Système de suivi optimisé dans un cycle de produit stérile, procédé de suivi et support d'enregistrement lisible par ordinateur

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