CN108577986B - Radio frequency tag installation assembly, installation method and apparatus - Google Patents
Radio frequency tag installation assembly, installation method and apparatus Download PDFInfo
- Publication number
- CN108577986B CN108577986B CN201810487267.6A CN201810487267A CN108577986B CN 108577986 B CN108577986 B CN 108577986B CN 201810487267 A CN201810487267 A CN 201810487267A CN 108577986 B CN108577986 B CN 108577986B
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- Prior art keywords
- radio frequency
- frequency tag
- mounting
- accommodating groove
- instrument
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 title description 29
- 238000004021 metal welding Methods 0.000 claims abstract description 77
- 239000000758 substrate Substances 0.000 claims description 37
- 238000003466 welding Methods 0.000 claims description 31
- 230000004308 accommodation Effects 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 8
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 239000007943 implant Substances 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012678 infectious agent Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
-
- 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
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
Abstract
The invention provides a radio frequency tag mounting assembly, comprising: a metal welding part and a mounting housing; the mounting shell comprises a first accommodating groove for accommodating the radio frequency tag and a second accommodating groove for accommodating the metal welding part, and the second accommodating groove is arranged on two opposite side surfaces of the first accommodating groove; the bottom of the first accommodating groove is further provided with a third accommodating groove for accommodating a driving chip and a matching circuit of the radio frequency tag, and the bottom area of the third accommodating groove is smaller than that of the first accommodating groove. The radio frequency tag mounting assembly provided by the invention has the advantages of small volume, stable mounting, good read-write performance and the like. The invention also provides a mounting method and an apparatus of the radio frequency tag mounting assembly.
Description
Technical Field
The invention relates to the technical field of radio frequency identification, in particular to a radio frequency tag installation component and an installation method; the invention also relates to the field of surgical instruments, in particular to a surgical instrument with a radio frequency tag.
Background
In the medical industry, the management of surgical instruments is very important, and the traceability of the reprocessing process of reusable medical instruments enables to ensure that the instruments are reprocessed correctly, that is to say: it is necessary to sterilize, wash, clean, dry, check, package and sterilize before reuse. The purpose of this process is to avoid the transmission of infectious agents from patient to patient. The traceability of the instrument level enables to inform the means of the disinfectant to handle the instrument, such as disassembly, immersion, cleaning, reassembly, verification of functionality, etc.
Traceability of surgical instruments can also improve financial and logistical management of instruments, such as assessment of inventory, management of repair and replacement of instruments, material vigilance, usage records of instruments, inventory management, etc. It also allows inventory inspection of the sterilization basket, thus reducing the risk of accidents in the operating room.
At present, in order to ensure the identifiability and traceability of the surgical instrument, an RFID (Radio Frequency Identification ) tag is usually arranged on the surgical instrument, and the use of the RFID tag enables a user to conveniently inspect and trace the surgical instrument.
In the prior art, for installing the radio frequency tag on the surgical instrument, the radio frequency tag is required to be miniaturized, the use of the surgical instrument is not hindered, and the radio frequency tag has stable reading performance; and the device is convenient and reliable to install on the surgical instrument, and meets the safety standard of the medical instrument.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the invention and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
The invention provides a radio frequency tag mounting assembly, comprising: a metal welding part and a mounting housing; the mounting shell comprises a first accommodating groove for accommodating the radio frequency tag and a second accommodating groove for accommodating the metal welding part, and the second accommodating groove is arranged on two opposite side surfaces of the first accommodating groove; the bottom of the first accommodating groove is further provided with a third accommodating groove for accommodating a driving chip and a matching circuit of the radio frequency tag, and the bottom area of the third accommodating groove is smaller than that of the first accommodating groove.
Optionally, the metal welding parts are in a strip or column structure, and the number of the metal welding parts is the same as the number of the second accommodating grooves.
Optionally, one side of the metal welding part is used for being welded with an instrument, and the other side of the metal welding part is used for extending into the second accommodating groove to install the metal welding part in the second accommodating groove.
Optionally, the metal welding part includes a welding part and a mounting part, the welding part and the mounting part are connected to each other, and the number of the mounting parts is the same as the number of the second receiving grooves.
Optionally, the welding part is used for being welded with an instrument, and the mounting part is used for extending into the second accommodating groove to mount the mounting part in the second accommodating groove.
Optionally, the opposite side surfaces of the first accommodating groove are provided with concave structures which are concave towards the central direction of the first accommodating groove, and the second accommodating groove is arranged in the concave structures.
Optionally, the device further comprises a radio frequency tag, wherein the radio frequency tag comprises an insulating substrate, and the insulating substrate comprises mounting clamping grooves arranged on two opposite side surfaces of the insulating substrate; the radio frequency tag is placed in the first accommodating groove, and the installation clamping groove is clamped with the outer wall of the second accommodating groove.
Optionally, the radio frequency tag further comprises a radio frequency tag, the radio frequency tag comprises an insulating substrate, the radio frequency tag further comprises a driving chip and a matching circuit, the driving chip and the matching circuit are arranged on the front surface of the insulating substrate, and the driving chip and the matching circuit are placed in the third accommodating groove.
Optionally, the radio frequency tag further includes a first antenna surface and a second antenna surface disposed on the front surface of the insulating substrate, the driving chip is electrically connected to the first antenna surface and the second antenna surface, and the matching circuit is electrically connected to the driving chip;
a third antenna surface disposed on the back surface of the insulating substrate;
the first connecting wire is connected with the first antenna surface and the third antenna surface, and the second connecting wire is connected with the second antenna surface and the third antenna surface.
Optionally, the matching circuit includes a capacitor connected in parallel with the driving chip.
Optionally, the matching circuit includes an inductive element in series with the driver chip.
The present invention provides an instrument comprising: an instrument body; and a radio frequency tag mounting assembly as described above mounted on the instrument body.
The invention provides a method for installing a radio frequency tag installation component on an instrument, which comprises the following steps:
Providing an instrument;
Providing a metal welding part, and welding the metal welding part on the instrument;
Providing a mounting shell, wherein the mounting shell comprises a first accommodating groove for accommodating the radio frequency tag and a second accommodating groove for accommodating the metal welding part, the second accommodating groove is arranged on two opposite side surfaces opposite to the first accommodating groove, the bottom of the first accommodating groove also comprises a third accommodating groove for accommodating a driving chip and a matching circuit of the radio frequency tag, and the bottom area of the third accommodating groove is smaller than that of the first accommodating groove;
providing a radio frequency tag, placing the front surface of the radio frequency tag towards one side of the third accommodating groove, placing the radio frequency tag in the first accommodating groove, placing the driving chip and the matching circuit in the third accommodating groove, and mutually clamping the radio frequency tag and the mounting shell.
And butting the mounting shell clamped with the radio frequency tag with the metal welding part, and clamping the metal welding part into the second accommodating groove.
Optionally, the opposite sides of the first accommodating groove are provided with concave structures which are concave towards the central direction of the first accommodating groove, and the second accommodating groove is arranged in the concave structures; the radio frequency tag comprises an insulating substrate, wherein the insulating substrate comprises mounting clamping grooves arranged on two opposite side surfaces of the insulating substrate; and clamping the mounting clamping groove of the radio frequency tag with the outer wall of the second accommodating groove.
Optionally, the metal welding part is in a strip or column structure, and when the metal welding part is welded on the instrument, a positioning device is used to limit the position of the metal welding part to be corresponding to the position of the second accommodating groove.
Optionally, the positioning device includes a positioning hole corresponding to the position of the second accommodating groove, the positioning device is placed on the apparatus, then the metal welding part is placed in the positioning hole, and then the metal welding part is welded on the apparatus.
Optionally, the metal welding part includes a welding part and a mounting part, and the welding part and the mounting part are connected to each other; welding the weld to the instrument; the mounting portion is extended into the second accommodation groove and is mounted in the second accommodation groove.
Drawings
Fig. 1 is a schematic view of a mounting housing of a radio frequency tag mounting assembly according to a first embodiment of the present invention;
Fig. 2 is a schematic diagram of a metal welding portion of a radio frequency tag mounting assembly according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of an installation method of an RFID tag installation assembly according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an RFID tag mounting assembly according to an embodiment of the present invention after the mounting;
fig. 5 is a schematic diagram of a radio frequency tag according to a preferred embodiment of the first embodiment;
fig. 6 is a schematic diagram of a radio frequency tag according to a second embodiment of the present invention;
FIG. 7 is a schematic diagram of the major surfaces of the RFID tag of FIG. 6;
FIG. 8 is a schematic view of a mounting slot in another embodiment;
FIG. 9 is a schematic diagram of a matching circuit in other embodiments;
FIG. 10 is a schematic view of a mounting surface of a mounting housing according to a second embodiment of the present invention;
FIG. 11 is a schematic perspective view of a mounting surface of a mounting housing according to a second embodiment of the present invention;
FIG. 12 is a schematic perspective view of the back of the mounting housing;
FIG. 13 is a schematic illustration of a second embodiment of the present invention for welding a metallic welding member to a surgical instrument;
FIG. 14 is a schematic view of the use of a positioning device;
FIG. 15 is a perspective view of the positioning device;
FIG. 16 is a schematic view of a mounting housing and radio frequency tag combination;
FIGS. 17a and 17b are schematic views of a mounting portion combining a mounting housing and a metal weld;
fig. 18 is a schematic diagram of a radio frequency tag mounting assembly according to a second embodiment of the present invention after the installation is completed.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
The drawings shown in the figures are merely exemplary and do not necessarily include all of the content and operations/steps nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined, partially combined, or the steps may be adjusted, so that the order of actual execution may be changed according to actual situations.
Referring to fig. 1 and 2, a schematic diagram of an rfid tag mounting assembly according to a first embodiment of the present invention is shown, and includes a metal welding member 60 and a mounting housing 50. The mounting case 50 includes a first receiving groove 51 for receiving the radio frequency tag, and a second receiving groove 52 for receiving the metal welding member 60, the second receiving groove 52 being provided at opposite sides of the first receiving groove 51.
As shown in fig. 2, in the first embodiment, the metal welding member 60 includes a welding portion 62 and a mounting portion 61, and the mounting portion 61 and the welding portion 62 are connected to each other. The bottom surface of the welding portion 62 is for welding with a surgical instrument, and the bottom surface of the welding portion 62 is a surface away from the extending direction of the mounting portion 61. The mounting portion 61 is configured to extend into the second receiving groove 52 of the mounting case 50 during mounting until the mounting portion 61 is received in the second receiving groove 52, and the mounting portion 61 and the second receiving groove 52 are tightly engaged to thereby connect the metal welding member 60 and the mounting case 50 together. The number of mounting portions 61 is the same as the number of second receiving grooves 52, and the metal welding member 60 and the mounting case 50 are connected together in cooperation, and in the structure shown in fig. 2, the number of mounting portions 61 is two, and in other embodiments, the number of mounting portions and the number of second receiving grooves may be other values. For example, the second accommodating grooves 52 are four symmetrically arranged on two pairs of opposite sides, and the mounting portions 61 are correspondingly four.
The mounting housing 50 may be polyetheretherketone, and the polyetheretherketone may also meet the ISO-10993 biocompatibility standard, for example, when the mounting assembly is mounted on a surgical instrument, the requirements for safe use may be met. The mounting assembly provided by the invention can be mounted on other instruments, such as tool instruments and the like, and other materials can be selected according to the mounting object.
Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 3 is a schematic diagram of an installation method of an rfid tag installation assembly according to an embodiment of the present invention.
Step 1: an instrument 80 is provided, in one embodiment, the instrument 80 is a surgical instrument.
Step 2: the metal welding member 60 is provided, and the back surface of the welding portion 62 of the metal welding member 60 is welded to the surgical instrument 80.
Step 3: a mounting housing 50 is provided, the mounting housing 50 being constructed as described above.
Step 4: providing a radio frequency tag 70, placing the radio frequency tag 70 in a first accommodating groove 51 of the mounting shell 50, and mutually clamping and tightly connecting the radio frequency tag 70 and the first accommodating groove 51;
step 5: the mounting case 50 with the radio frequency tag 70 engaged therewith is abutted against the mounting portion 61 of the metal welding member 60, the mounting portion 61 is engaged into the second accommodation groove 52, and the mounting portion 61 and the second accommodation groove 52 are engaged with each other and tightly connected.
In the above embodiment, the step of welding the metal welding member to the instrument was described, and the step of combining the mounting case and the tag was described later, but the mounting method of the present invention is not limited to this, and the metal welding member may be welded to the instrument after combining the mounting case and the tag.
Fig. 4 is a schematic view of the mounting assembly after installation, the mounting assembly is securely mounted to a surgical instrument 80, and the radio frequency tag 70 is enclosed by the mounting housing 50. An embodiment of the invention also provides an instrument mounted with a radio frequency mounting assembly as described above. The mounting assembly and the instrument provided by the embodiment of the invention have the advantages of small volume and good reading performance due to the built-in radio frequency tag, and are very suitable for being mounted on the instrument to carry out tracking management of the instrument. In addition, the mounting assembly provided by the invention has the advantages of simple structure and good stability, and is very suitable for instruments.
In the drawing of the first embodiment, the mounting portion 61 of the metal welding member 60 has a long shape, and in other embodiments, the mounting portion 61 may have other shapes, such as a pillar shape.
The first embodiment is described by taking the example that the radio frequency tag mounting assembly is mounted on a surgical instrument, but the instrument in the above embodiment of the present invention is not limited to the surgical instrument, and may be an implant, a substitute for an implant, a prosthesis, a tool, and any object that is desired to be marked in connection with industry, a computer, a railway, an automobile, a ship, aviation, etc. so as to ensure recognition and traceability thereof.
Meanwhile, in the first embodiment of the present invention, the overall shape of the radio frequency tag mounting assembly is a cuboid, but the present invention is not limited to the shape of the radio frequency tag mounting assembly, and may be a cuboid, a cube, a cylinder, or an irregular three-dimensional structure. In other words, the shape of the mounting case and the metal welding unit may be any shape as long as the two are ensured to be capable of being mutually buckled.
Referring to fig. 5, a schematic diagram of an rf tag 70 according to the first embodiment of the present invention is shown. The radio frequency tag 70 includes an insulating substrate 71, which may be a ceramic substrate, a driving chip 72 disposed on the front surface of the insulating substrate 71, and a matching circuit 73.
The quality of the reading distance of the radio frequency tag is determined by three main factors, namely, the sensitivity of the driving chip is high and low; second, the gain size of the antenna; third, the matching degree of the antenna and the driving chip. The gain of the antenna is related to the size, thickness, and loss factor of the antenna material for the same antenna. The larger the loss factor of the antenna material, the smaller the antenna gain and vice versa. For small-sized radio frequency tags with high dielectric constant, the production technology of the radio frequency tag with high dielectric constant is not mature, so that the frequency fluctuation of the radio frequency tag with high dielectric constant is large and the stability is not enough. Second, the dissipation factor of the insulating substrate decreases with increasing dielectric constant for the same material, so the higher the dielectric constant of the insulating substrate, the smaller the gain of the antenna that can be achieved, and hence the closer the read distance. According to the radio frequency tag provided by the embodiment of the invention, the matching circuit is arranged on the insulating substrate, so that the dielectric constant of the insulating substrate can be reduced, and therefore, the low-dielectric-constant insulating substrate provided by the embodiment of the invention has smaller loss factor than the insulating substrate with high dielectric constant, so that the antenna with the same size and low dielectric constant has larger gain than the antenna with the same size and low dielectric constant, and finally, the reading distance of the antenna with the same size and low dielectric constant is larger than that of the antenna with the same size and high dielectric constant. In actual comparison, the reading distance performance is improved by 30% -40%.
Referring to fig. 1, a third accommodating groove 53 is further disposed at the bottom of the first accommodating groove 51 of the mounting housing 50 corresponding to the driving chip 72 and the matching circuit 73. The bottom area of the third accommodating groove 53 is smaller than the bottom area of the first accommodating groove 51, and the third accommodating groove 53 is used for accommodating the driving chip 72 and the matching circuit 73 of the radio frequency tag 70. When the radio frequency tag assembly is mounted, the radio frequency tag 70 is placed in the first accommodation groove 51, the front surface of the radio frequency tag 70 is placed toward the side of the third accommodation groove 51, and the driving chip 72 and the matching circuit 73 are placed in the third accommodation groove 53.
In the first embodiment of the invention, the radio frequency tag comprises the matching circuit, so that the reading performance of the whole radio frequency installation assembly can be improved, meanwhile, the radio frequency installation assembly comprises the third accommodating groove for accommodating the matching circuit and the driving chip, the radio frequency tag and the matching circuit cannot be damaged, and the installation precision and reliability are ensured.
Example two
Referring to fig. 6 and fig. 7, fig. 6 is a schematic diagram of the radio frequency tag provided in the second embodiment of the present invention, and fig. 7 is a schematic diagram of main faces of the radio frequency tag shown in fig. 6. The radio frequency tag 10 includes an insulating substrate 11, the insulating substrate 11 including mounting slots 121, 122 provided on opposite sides thereof, the mounting slots 121, 122 being semi-cylindrical for subsequent mating with other mounting components for mounting to a surgical instrument; the driving chip 13, the matching circuit 14, the first antenna surface 15 and the second antenna surface 16 are arranged on the front surface of the insulating substrate 11, the driving chip 13 is respectively and electrically connected with the first antenna surface 15 and the second antenna surface 16, and the matching circuit 14 is electrically connected to the driving chip 13; a third antenna surface 17 provided on the back surface of the insulating substrate 11; and a first connection line 18 and a second connection line 19 provided on the side surface of the insulating substrate 11, the first connection line 18 connecting the first antenna surface 15 and the third antenna surface 17, and the second connection line 19 connecting the second antenna surface 16 and the third antenna surface 17.
Because of the mounting slots 121, 122, the radio frequency tag 10 is irregularly shaped, but the electrical length of the antenna surface is unchanged compared with a rectangular radio frequency tag in which the mounting slots 121, 122 are not provided, that is, the reading performance of the radio frequency tag is unchanged. The electrical length of the antenna face refers to the length from one end of the antenna to the other. Because the two sides of the radio frequency tag 10 provided with the mounting clamping grooves 121 and 122 are not provided with antenna surfaces, and the positions of the mounting clamping grooves 121 and 122 only occupy part of the volume of the two sides, the length direction of the radio frequency tag 10 is not reduced, and therefore the lengths of the antenna surfaces on the front side and the back side of the radio frequency tag are not influenced, and the electrical length of the antenna surfaces is not influenced. However, the installation grooves 121 and 122 are provided, and a space for accommodating the metal welding part may be provided in the space of the installation grooves 121 and 122, thereby reducing the volume of the entire radio frequency installation assembly.
In the configuration shown in fig. 6 and 7, the radio frequency tag 10 has a configuration in which a semicircular columnar mounting groove is removed from both left and right sides of a rectangular parallelepiped. However, the present invention is not limited thereto, and in other embodiments, as shown in fig. 8 (a), the mounting grooves 121a and 122a may be rectangular parallelepiped spaces, as shown in fig. 8 (b), the mounting grooves 121b and 122b may be square spaces, and as shown in fig. 8 (c), the mounting grooves 121c and 122c may be triangular spaces. As shown in fig. 8 (a) to 8 (c), the electrical length H of each radio frequency tag is from one side of the insulating substrate to the other side, and is not affected by the mounting card slot.
The insulating substrate of the radio frequency tag may have a rectangular parallelepiped shape with a mounting groove as shown in fig. 6 and 7, or may have a square shape with a mounting groove, or may have a cylindrical shape with a mounting groove, or the like.
In the configuration shown in fig. 6 and 7, the matching circuit is a capacitor 14 connected in parallel with the driving chip 13, and is connected to the antenna surface by soldering, specifically, the capacitor 14 is connected in parallel with the driving chip 13 through the first antenna surface 15, the second antenna surface 16. In other embodiments, as shown in fig. 9, the matching circuit may be an inductance element 141 connected in series with the driving chip 13, and the inductance element 141 may be connected in series with the antenna 20. In other embodiments, the matching circuit may further include a capacitor connected in parallel with the driving chip and an inductance element connected in series with the driving chip, where the capacitor and the inductance element may be electrically connected to the driving chip and the antenna by soldering.
The radio frequency tag provided by the second embodiment of the invention is very suitable for being installed on an instrument to track and manage the instrument because of small volume and good reading performance. The radio frequency tag mounting assembly provided by the second embodiment of the invention further comprises a mounting shell and a metal welding component, please refer to fig. 10, 11 and 12, fig. 10 is a schematic diagram of a mounting surface of the mounting shell, fig. 11 is a perspective schematic diagram of the mounting surface of the mounting shell, fig. 12 is a perspective schematic diagram of a back surface of the mounting shell, the mounting surface is a surface where the mounting shell contacts with an instrument, and the back surface is an opposite surface of the mounting surface. The mounting housing 30 includes a first receiving groove 31 for receiving the radio frequency tag, and a second receiving groove 32 for receiving the metal welding member, the second receiving groove 32 being provided at opposite sides of the first receiving groove 31. The opposite sides of the first receiving groove 31 have a concave structure recessed toward the center direction of the first receiving groove 31, the second receiving groove 32 is disposed in the concave structure, and the metal welding member is disposed in the second receiving groove 32 and engaged with the inner side wall of the second receiving groove 32.
Referring to fig. 6, 7, 10, 11 and 12, the radio frequency tag 10 is placed in the first accommodating groove 31, and the mounting clamping grooves 121 and 122 are clamped with the outer side walls of the second accommodating groove 32. In the second embodiment, the metal welding member is cylindrical in shape and matches the shape of the second accommodation groove 32, and the metal welding member is placed in the second accommodation groove 32 and engaged with the inner side wall of the second accommodation groove 32. The radio frequency tag 10 is arranged in a shape which is matched with the side wall of the mounting shell, the second accommodating groove 32 for accommodating the metal welding part can be arranged in the space of the mounting clamping grooves 121 and 122, and the second accommodating groove 32 does not occupy the space independently in the length direction, so that the volume of the whole radio frequency mounting assembly is reduced; and the radio frequency tag can be more firmly arranged in the installation shell.
The drawings of the second embodiment are not intended to limit the shapes or list all the shapes of the radio frequency tag and the mounting housing of the present invention, and compared with the conventional shapes of a cylinder, a cuboid or a cube in the prior art, the radio frequency tag provided by the present invention is provided with the mounting clamping groove so as to provide a shape which is clamped with the outer wall of the second accommodating groove. In fig. 6 and 7, the mounting catching grooves 121 and 122 are provided in a semi-cylindrical shape because the inner shape of the second receiving groove 32 is a cylinder to fit a metal welding member of a cylinder in the structures shown in fig. 10, 11 and 12; in other embodiments, if the metal welding component is in other shapes, such as a cylinder, a column with a polygonal cross section, etc., the second accommodating groove is also configured to match the shape of the metal welding component, then the outer side wall of the second accommodating groove is also configured to have a corresponding shape, and the mounting slot of the radio frequency tag is also configured to have a matching shape. In fig. 6 and 7, the number of mounting grooves is 2, and the mounting grooves 121 and 122 are bilaterally symmetrical, similarly to correspond to the number of metal welding members. If in other embodiments the number of metal welded parts is other, such as 4, the number of mounting slots is 4.
The bottom of the first accommodating groove 31 is further provided with a third accommodating groove 33 for accommodating the radio frequency tag driving chip 13 and the matching circuit 14, and the bottom area of the third accommodating groove 33 is smaller than the bottom area of the first accommodating groove 31. The front of radio frequency tag is placed in first holding tank 33 towards third holding tank 33 one side, and driver chip 13 and matching circuit 14 are placed in third holding tank 33, and this kind of structure of installation shell can better agree with the shape of radio frequency tag, can prevent that radio frequency tag from damaging or becoming phase, droing etc..
The material of the installation shell can be polyether-ether-ketone, and the adopted polyether-ether-ketone can also meet the ISO-10993 biocompatibility standard, for example, the installation component can meet the requirement of safe use when being installed on a surgical instrument. The mounting assembly provided by the invention can be mounted on other instruments, such as tool instruments and the like, and other materials can be selected according to the mounting object.
By using the radio frequency tag mounting assembly, the radio frequency tag can be efficiently and reliably mounted on the instrument. The following describes an installation method of the radio frequency tag installation assembly by taking an example of installing the radio frequency tag installation assembly on a surgical instrument. Referring to fig. 13, a surgical instrument 40 is provided, a metal welding member 41 is provided, and the metal welding member 41 is welded to the surgical instrument 40. Optionally, the metallic welding member 41 is welded to the surgical instrument 40 using resistance welding.
In one embodiment, referring to fig. 14 and 15, a positioning device 42 is used when welding the metallic welding member 41 to the surgical instrument 40. Fig. 14 is a schematic view of a positioning device, and fig. 15 is a perspective view of the positioning device. The positioning device 42 has two positioning holes 43 and also corresponds to the position of the second accommodation groove, the positioning holes 43 correspond to the metal welding part 41, the positioning device 42 is placed on the surgical instrument 40, then the metal welding part 41 is placed in the positioning holes 43 of the positioning device 42, and at this time, the position of the metal welding part 41 just corresponds to the position of the second accommodation groove of the mounting shell, so that the mounting position can be ensured to be accurate. After the positioning hole 43 and the metal welding member 41 are cooperatively placed on the surgical instrument 40, the metal welding member 41 is welded to the surgical instrument 40 by means of resistance welding, and then the positioning device 42 is removed, so that the metal welding member 41 is precisely welded to a specific position on the surgical instrument 40. Alternatively, the material of the positioning device 42 may be ceramic, which has high temperature resistance and can withstand the temperature of the resistance welding. In addition, optionally, the depth of the positioning hole 43 of the positioning device 42 is larger than the height of the metal welding part 41, and a welding head can enter the positioning hole 43 in the resistance welding process, so that the welding position is accurate.
Referring to fig. 16, a schematic diagram of the combination of the mounting housing 30 and the radio frequency tag 10 is shown. A mounting case 30 is provided, the mounting case 30 including a first receiving groove 31 in which a radio frequency tag is placed, and a second receiving groove 32 in which a metal welding member 42 is placed, the second receiving groove 32 being provided at opposite sides of the first receiving groove 31. The opposite sides of the first receiving groove 31 have a concave structure recessed toward the center of the first receiving groove 31, and the second receiving groove 32 is disposed in the concave structure. The radio frequency tag 10 is provided, and the radio frequency tag 10 includes an insulating substrate including mounting card slots 121, 122 provided at opposite sides thereof. The radio frequency tag 10 is placed in the first accommodation groove 31, and the mounting clamping grooves 121 and 122 are engaged with the outer wall of the second accommodation groove 32. Thus, the radio frequency tag 10 is mounted in the mounting housing 30 in a shape that fits and is tightly coupled to each other. The radio frequency tag 10 further comprises a driving chip 13 and a matching circuit 14 arranged on the front surface of the radio frequency tag 10, and a third accommodating groove for accommodating the driving chip 13 and the matching circuit of the radio frequency tag 10 is further arranged at the bottom of the first accommodating groove 31. The front surface of the radio frequency tag 10 is placed in the first accommodation groove 31 toward the side of the third accommodation groove, and the driving chip 13 and the matching circuit are placed in the third accommodation groove.
Referring to fig. 17a and 17b, a schematic view of combining a mounting case and a metal welding part, fig. 17a is a schematic view of one side of the mounting case in the direction, and fig. 17b is a schematic view of one side of the metal welding part in the direction. The mounting case 30 with the radio frequency tag 10 engaged therein is abutted against the metal welding member 41, and the metal welding member 41 is engaged into the second accommodation groove 32. The metal welding member card 41 and the second accommodation groove 32 are closely fitted in size, and the metal welding member card 41 is engaged in the second accommodation groove 32 so that the metal welding member card 41 and the second accommodation groove cannot be separated from each other.
Fig. 18 is a schematic view of the rfid tag mounting assembly after installation, secured to the surgical instrument 40, with the rfid tag 10 enclosed by the mounting housing 30.
In the second embodiment, the metal welding part is in the shape of two separate cylinders, and in other embodiments, the metal welding part may be further configured to include a welding part and a mounting part, where the welding part and the mounting part are connected with each other, the welding part is used for welding with a surgical instrument, and the mounting part is used for extending into the second accommodating groove to position the mounting part in the second accommodating groove, and reference may be made to the drawings and the description of the first embodiment.
The radio frequency tag mounting assembly provided by the invention has the advantages of small volume, good reading performance, simple structure and good mounting stability, and is very suitable for being mounted on surgical instruments to carry out tracking management of the surgical instruments.
The second embodiment of the invention also provides a surgical instrument provided with the radio frequency tag installation component, the surgical instrument can be identified and tracked through the radio frequency tag installed on the surgical instrument, and the history of the sterilization, washing, cleaning, drying, checking, packaging and sterilization processes of the surgical instrument is tracked, so that the surgical instrument is ensured to be processed according to a normal flow before being used, and the transmission of infectious agents among patients is avoided. In addition, before the operation is finished, whether the operation instrument is in the human body or not can be recognized by the radio frequency tag signal of the operation instrument, so that the operation instrument can not leave the human body to cause medical accidents. Compared with a manual checking mode, the radio frequency tag can be used for tracking the service condition of the surgical instrument in a data mode, so that the management efficiency of the surgical instrument, such as inventory assessment, repair and replacement management of the instrument and the like, is improved.
The instruments in the above-described embodiments of the present invention are not limited to surgical instruments, but may be implants, implant substitutes, prostheses, tools, and any object associated with industry, computers, railways, automobiles, boats, aviation, etc. that is desirably marked to ensure its identification and traceability.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (12)
1. A radio frequency tag mounting assembly, comprising: a metal welding part and a mounting housing; the mounting shell comprises a first accommodating groove for accommodating the radio frequency tag and a second accommodating groove for accommodating the metal welding part, and the second accommodating groove is arranged on two opposite side surfaces of the first accommodating groove; the bottom of the first accommodating groove is further provided with a third accommodating groove for accommodating a driving chip and a matching circuit of the radio frequency tag, the bottom area of the third accommodating groove is smaller than that of the first accommodating groove, the two opposite side surfaces of the first accommodating groove are provided with concave structures which are concave towards the central direction of the first accommodating groove, and the second accommodating groove is arranged in the concave structures; and
A radio frequency tag, the radio frequency tag comprising:
the radio frequency tag further comprises a driving chip and a matching circuit which are arranged on the front surface of the insulating substrate, and the driving chip and the matching circuit are placed in the third accommodating groove;
The driving chip is electrically connected with the first antenna surface and the second antenna surface respectively, and the matching circuit is electrically connected to the driving chip;
A third antenna surface disposed on the back surface of the insulating substrate; and
A first connecting wire and a second connecting wire arranged on the side surface of the insulating substrate, wherein the first connecting wire is connected with the first antenna surface and the third antenna surface, the second connecting wire is connected with the second antenna surface and the third antenna surface,
Wherein opposite side surfaces of the insulating substrate corresponding to the opposite side surfaces of the first receiving groove have mounting card grooves, the first antenna surface and the second antenna surface have grooves overlapping the mounting card grooves at positions overlapping the mounting card grooves of the insulating substrate, the shape of the mounting card grooves corresponds to the shape of the concave structure of the first receiving groove so that the mounting card grooves are engaged with the outer walls of the second receiving groove, wherein the grooves are shaped so as not to change the electrical lengths of the first antenna surface and the second antenna surface.
2. The radio frequency tag mounting assembly of claim 1, wherein the metal welding members are of a bar-like or columnar structure, and the number of the metal welding members is the same as the number of the second receiving grooves.
3. The radio frequency tag mounting assembly of claim 2, wherein one side of the metal weld is adapted for welded connection with an instrument and the other side of the metal weld is adapted to extend into the second receiving slot to mount the metal weld in the second receiving slot.
4. The radio frequency tag mounting assembly of claim 1, wherein the metal weld includes a weld and a mounting portion, the weld and the mounting portion being interconnected, and the number of mounting portions being the same as the number of second receiving slots.
5. The radio frequency tag mounting assembly of claim 4, wherein the weld is adapted to be welded to an instrument, and wherein the mounting portion is adapted to extend into the second receiving slot to mount the mounting portion in the second receiving slot.
6. The radio frequency tag mounting assembly of claim 1, wherein the matching circuit comprises a capacitor in parallel with the driver chip.
7. The radio frequency tag mounting assembly of claim 1, wherein the matching circuit comprises an inductive element in series with the driver chip.
8. An instrument, comprising: an instrument body; and a radio frequency tag mounting assembly as claimed in any one of claims 1 to 7 mounted on the instrument body.
9. A method of mounting a radio frequency tag mounting assembly on an instrument, comprising:
Providing an instrument;
Providing a metal welding part, and welding the metal welding part on the instrument;
Providing a mounting shell, wherein the mounting shell comprises a first accommodating groove for accommodating a radio frequency tag and a second accommodating groove for accommodating the metal welding part, the second accommodating groove is arranged on two opposite side surfaces opposite to the first accommodating groove, the bottom of the first accommodating groove also comprises a third accommodating groove for accommodating a driving chip and a matching circuit of the radio frequency tag, the bottom area of the third accommodating groove is smaller than that of the first accommodating groove, the opposite side surfaces of the first accommodating groove are provided with concave structures which are concave towards the central direction of the first accommodating groove, and the second accommodating groove is arranged in the concave structures;
Providing a radio frequency tag, placing the front surface of the radio frequency tag towards one side of the third accommodating groove, placing the radio frequency tag in the first accommodating groove, placing the driving chip and the matching circuit in the third accommodating groove, and mutually clamping the radio frequency tag and the mounting shell;
abutting the mounting shell with the radio frequency tag clamped with the metal welding part, and clamping the metal welding part into the second accommodating groove, wherein
The radio frequency tag includes:
the radio frequency tag further comprises a driving chip and a matching circuit which are arranged on the front surface of the insulating substrate, and the driving chip and the matching circuit are placed in the third accommodating groove;
The driving chip is electrically connected with the first antenna surface and the second antenna surface respectively, and the matching circuit is electrically connected to the driving chip;
A third antenna surface disposed on the back surface of the insulating substrate; and
A first connecting wire and a second connecting wire arranged on the side surface of the insulating substrate, wherein the first connecting wire is connected with the first antenna surface and the third antenna surface, the second connecting wire is connected with the second antenna surface and the third antenna surface,
Wherein opposite side surfaces of the insulating substrate corresponding to the opposite side surfaces of the first receiving groove have mounting card grooves, the first antenna surface and the second antenna surface have grooves overlapping the mounting card grooves at positions overlapping the mounting card grooves of the insulating substrate, the shape of the mounting card grooves corresponds to the shape of the concave structure of the first receiving groove so that the mounting card grooves are engaged with the outer walls of the second receiving groove, wherein the grooves are shaped so as not to change the electrical lengths of the first antenna surface and the second antenna surface.
10. The method of mounting a radio frequency tag mounting assembly on an instrument of claim 9, wherein the metal welding member is of a strip-like or columnar configuration, and wherein a positioning device is used to define the position of the metal welding member as a position corresponding to the second receiving groove when the metal welding member is welded to the instrument.
11. The method of installing a radio frequency tag mounting assembly on an instrument of claim 10, wherein the positioning device includes a positioning hole corresponding to the position of the second receiving slot, the positioning device is placed on the instrument, and the metal welding member is then placed in the positioning hole and welded to the instrument.
12. The method of installing a radio frequency tag mounting assembly on an instrument of claim 10, wherein the metal weld includes a weld and a mount, the weld and mount being interconnected; welding the weld to the instrument; the mounting portion is extended into the second accommodation groove and is mounted in the second accommodation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487267.6A CN108577986B (en) | 2018-05-21 | 2018-05-21 | Radio frequency tag installation assembly, installation method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487267.6A CN108577986B (en) | 2018-05-21 | 2018-05-21 | Radio frequency tag installation assembly, installation method and apparatus |
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| CN108577986A CN108577986A (en) | 2018-09-28 |
| CN108577986B true CN108577986B (en) | 2024-04-23 |
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| CN201810487267.6A Active CN108577986B (en) | 2018-05-21 | 2018-05-21 | Radio frequency tag installation assembly, installation method and apparatus |
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| CN108577986A (en) | 2018-09-28 |
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