CN208172831U - A kind of ultra wide band hyperfrequency surgical instrument electronic tag based on inductive coupling principles - Google Patents

Abstract

The utility model relates to a kind of ultra wide band hyperfrequency surgical instrument electronic tag based on inductive coupling principles, including substrate module coil, one end of substrate module coil is equipped with electrode block A, the other end of substrate module coil is equipped with electrode block B, electrode block A is connected with electrode block B by substrate module coil, the outside of substrate module coil is equipped with ultrahigh frequency RFID chip, and one end pin of ultrahigh frequency RFID chip is electrically connected with electrode block A, and the other end pin of ultrahigh frequency RFID chip is electrically connected with electrode block B.Substrate module coil includes insulating substrate module, is equipped with helical form conductive coil in insulating substrate module, one end of helical form conductive coil is electrically connected with electrode block A, and the other end of helical form conductive coil is electrically connected with electrode block B.The utility model instead of the antenna in conventional ultra high band electronic label, has the characteristics that reading effect is good, strong applicability using inductance coil.

Description

A kind of ultra wide band hyperfrequency surgical instrument electronic tag based on inductive coupling principles

Technical field

The utility model relates to a kind of surgical instrument electronic tag, in particular to a kind of ultra-wide based on inductive coupling principles Band hyperfrequency surgical instrument electronic tag, belongs to surgical instrument electronic tag field.

Background technique

The medical system of contemporary standard proposes increasingly higher demands to the lean management of surgical instrument.Each hand The storage of art instrument, use, cleaning, disinfection, whole cycle transport, distributed, made an inventory require to trace, surgical instrument The information such as source, producer, entry time should be able to all distinguish that every the preoperative and postoperative of surgical procedure must satisfy quickly clearly The requirement of the number and title of the miscellaneous surgical instrument to be used of point.Technology of Internet of things and industry tide have pushed intelligence Identify the development of cognition technology.As Internet of Things core cognition technology, ultra-high frequency RFID technology obtains length in the past few years Progress enough, cost is lower, effect is more preferable, using it is more convenient, using also more extensive.But this technology is in surgical instrument management Using still extremely difficult.

The basic principle of ultra-high frequency RFID technology is the space radiation of electromagnetic field, and radiation near linear is propagated, and is easy to be hindered Object especially metal is hindered to be reflected.Metal, which can shield, is placed on its subsequent electronic tag, though before metal, in-field and Multiple metallic reflection field superpositions also will form the reading blind area of large area.Surgical instrument itself is metal, holds surgical instrument Container is often also metal, such surgical instrument be often in when identified multiple metallic weapons and container it is overlapped, The application environment mutually shielded, in this environment, the ultrahigh frequency electronic tag designed based on electromagnetic field space radiation theory Skip rate it is quite high.Existing ultrahigh frequency RFID electronic tag is made of chip and antenna two parts.Due to being mounted on hand Electronic tag on art instrument cannot interfere instrument to use, it is necessary to the very little of design, the gain of the antenna on such electronic tag Just very low, performance is very weak.There are also a kind of design, be surgical instrument itself is used as a part of antenna utilize, but due to Surgical instrument itself is varied, and answering for multiple metallic weapons and the overlapped induction of container is often in when identified With environment so that the length shape of equivalent aerial be also it is ever-changing, the electronic tag that this method is designed may can only be used In a kind of instrument or a kind of scene, can not promote the use of.

Utility model content

The utility model discloses new side based on the ultra wide band hyperfrequency surgical instrument electronic tag of inductive coupling principles Case solves existing surgical instrument electronic tag leakage using inductance coil instead of the antenna in conventional ultra high band electronic label Reading rate height, problem poor for applicability.

Ultra wide band hyperfrequency surgical instrument electronic tag of the utility model based on inductive coupling principles includes substrate module Coil, one end of substrate module coil are equipped with electrode block A, and the other end of substrate module coil is equipped with electrode block B, electrode block A with Electrode block B is connected by substrate module coil, and the outside of substrate module coil is equipped with ultrahigh frequency RFID chip, ultrahigh frequency RFID core One end pin of piece is electrically connected with electrode block A, and the other end pin of ultrahigh frequency RFID chip is electrically connected with electrode block B, substrate mould Block coil, electrode block A, electrode block B, ultrahigh frequency RFID chip form electronic tag body.Substrate module coil includes insulating substrate Module, insulating substrate module is interior to be equipped with helical form conductive coil, and one end of helical form conductive coil is electrically connected with electrode block A, spiral shell The other end of rotation shape conductive coil is electrically connected with electrode block B.

Further, the insulating substrate module of this programme includes the insulating substrate plate of multiple-level stack, is equipped in insulating substrate plate Semi-circular conductive sheet, the semi-circular conductive sheet head and the tail in adjacent two layers insulating substrate plate are electrically connected to form helical form conductive coil, One end of helical form conductive coil is equipped with interior electrode plate A, and interior electrode plate A, which is located in electrode block A, forms electrical connection, and helical form is conductive The other end of coil is equipped with interior electrode plate B, and interior electrode plate B, which is located in electrode block B, forms electrical connection.

Further, the semi-circular conductive sheet head and the tail in the adjacent two layers insulating substrate plate of this programme pass through connection conductor electricity Connection, connection conductor are the cylindrical conductor arranged vertically, the upper end of cylindrical conductor and the tail end of top semi-circular conductive sheet Electrical connection, the lower end of cylindrical conductor is electrically connected with the head end of lower section semi-circular conductive sheet.

Further, the outside of the electronic tag body of this programme is equipped with encapsulating housing, and the encapsulating housing is rectangular parallelepiped structure, The length of the rectangular parallelepiped structure is 8mm, 2.5mm, 2mm.

Further, the material of the insulating substrate module of this programme is ferrite.

Further, the induction reactance of the electronic tag body of this programme and the input capacitive reactance of ultrahigh frequency RFID chip are equal.

The utility model uses inductance coil based on the ultra wide band hyperfrequency surgical instrument electronic tag of inductive coupling principles Instead of the antenna in conventional ultra high band electronic label, have the characteristics that read that effect is good, strong applicability.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of hyperfrequency surgical instrument electronic tag.

Fig. 2 is the structural schematic diagram of hyperfrequency surgical instrument electronic tag longitudinal section.

Fig. 3 is the schematic diagram that hyperfrequency surgical instrument electronic tag is arranged on scalpel.

Wherein, 110 be insulating substrate module, and 111 be insulating substrate plate, and 120 be helical form conductive coil, and 121 be interior electricity Pole plate A, 122 be interior electrode plate B, and 123 be connection conductor, and 200 be electrode block A, and 300 be electrode block B, and 400 be ultrahigh frequency RFID Chip.

Specific embodiment

As shown in Figure 1, ultra wide band hyperfrequency surgical instrument electronic tag packet of the utility model based on inductive coupling principles Substrate module coil is included, one end of substrate module coil is equipped with electrode block A, and the other end of substrate module coil is equipped with electrode block B, Electrode block A is connected with electrode block B by substrate module coil, and the outside of substrate module coil is equipped with ultrahigh frequency RFID chip, is surpassed One end pin of high frequency RFID chip is electrically connected with electrode block A, and other end pin and the electrode block B of ultrahigh frequency RFID chip are electrically connected It connects, substrate module coil, electrode block A, electrode block B, ultrahigh frequency RFID chip form electronic tag body.Substrate module coil includes Insulating substrate module, insulating substrate module is interior to be equipped with helical form conductive coil, one end of helical form conductive coil and electrode block A electricity Connection, the other end of helical form conductive coil are electrically connected with electrode block B.Above scheme is using inductance coil instead of conventional ultra high Antenna in band electronic label, test prove that its reading effect is fabulous, and reader can read the sheet in surgical instrument glibly The ultrahigh frequency RFID electronic tag of scheme.

Based on above scheme, this programme also discloses a kind of specific insulating substrate module, as shown in Fig. 2, insulating substrate Module includes the insulating substrate plate of multiple-level stack, is equipped with semi-circular conductive sheet, adjacent two layers insulating substrate plate in insulating substrate plate Interior semi-circular conductive sheet head and the tail are electrically connected to form helical form conductive coil, and one end of helical form conductive coil is equipped with interior electrode plate A, interior electrode plate A, which are located in electrode block A, forms electrical connection, and the other end of helical form conductive coil is equipped with interior electrode plate B, interior electrode Plate B, which is located in electrode block B, forms electrical connection.In order to guarantee good electrical conductive communication, the adjacent two layers insulating substrate plate of this programme Interior semi-circular conductive sheet head and the tail pass through connection conductor electrical connection, and connection conductor is the cylindrical conductor arranged vertically, cylindric The upper end of conductor is electrically connected with the tail end of top semi-circular conductive sheet, lower end and the lower section semi-circular conductive sheet of cylindrical conductor Head end electrical connection, specifically as shown in Figure 1.

In order to meet the requirement applied in surgical instrument, so that electronic tag body with good performance and lesser The outside of product, the electronic tag body of this programme is equipped with encapsulating housing, and the encapsulating housing is rectangular parallelepiped structure, the cuboid knot The length of structure is 8mm, 2.5mm, 2mm.The material of the insulating substrate module of this programme is ferrite.In order to improve inductor wire The matching effect of circle and RFID chip, so that induction reactance and ultrahigh frequency RFID core that electronic tag shows on metallic surgical instrument The characteristic input capacitive reactance of piece is cancelled out each other, the induction reactance and the input capacitive reactance phase of ultrahigh frequency RFID chip of the electronic tag body of this programme Deng or it is close.

This programme discloses a kind of surgical instrument ultrahigh frequency RFID electronic tag, using inductance instead of conventional ultra high frequency Antenna in electronic tag.As shown in Figure 1, this programme forms multiturn coil induction structure on multi-layer substrate, in inductance side, Lead is connected to two pins of ultrahigh frequency RFID chip to two electrodes respectively.The number of turns and size of inductance need to enable in design The induction reactance that entire label shows on metal and the characteristic input capacitive reactance of ultrahigh frequency RFID chip are cancelled out each other, to reach To best matching effect.Since inductance inductance value is only related with the material property of the number of turns, area and multi-layer substrate, and with frequency Rate relationship is little, so the RFID tag for the inductive type designed so naturally has the frequency domain characteristic of ultra wide band.Practical application In, inductive type RFID tag is tightly attached to surgical instrument surface, chip upward, and allow inductance magnetic line of force direction and surgical instrument Length direction is vertical, as shown in Figure 3.As long as there are enough field strengths or neighbouring metal a constant current around it By the way that inductive type RFID tag can be activated, and recognized by reader.

This programme uses the ultrahigh frequency radio frequency identification (RFID) reader of ISO18000-6C, and connection is constituted by four with phase dipole close Field antenna.With this configuration, the more equal of near-field signature can in 50 centimetres of remote a certain ranges of antenna, motivated Even magnetic field.As a design example, the inductance (173 ohm of induction reactance is presented) of 30nH is realized first on multi-layer substrate, and The UCODE G2XM chip (the input capacitive reactance for being presented 171 ohm) of NXP company is encapsulated in inductance side and is divided with inductance the two poles of the earth Xiang Lian not.Packaged inductive type RFID tag size only has 2mm × 2.5mm × 8mm.It is attached to scalpel surface, and is allowed The magnetic line of force direction of inductance is vertical with length direction.Its reading effect of measurement discovery is fabulous, and the output power of reader is 24dBm When can be smooth the ultrahigh frequency RFID electronic tag for reading the surgical instrument.Therefore, this programme is former based on inductive coupling The ultra wide band hyperfrequency surgical instrument electronic tag of reason has substantive features and progress compared to existing similar product.

The ultra wide band hyperfrequency surgical instrument electronic tag based on inductive coupling principles of this programme is not limited to specific reality Apply content disclosed in mode, the technical solution occurred in embodiment can the understanding based on those skilled in the art and extend, Those skilled in the art also belong to the range of this programme according to the simple replacement scheme that this programme combination common knowledge is made.

Claims (6)

1. a kind of ultra wide band hyperfrequency surgical instrument electronic tag based on inductive coupling principles, it is characterized in that including substrate module Coil, one end of the substrate module coil are equipped with electrode block A, and the other end of the substrate module coil is equipped with electrode block B, institute It states electrode block A and is connected with the electrode block B by the substrate module coil, the outside of the substrate module coil is equipped with superelevation Frequency RFID chip, one end pin of the ultrahigh frequency RFID chip are electrically connected with the electrode block A, the ultrahigh frequency RFID chip Other end pin be electrically connected with the electrode block B, the substrate module coil, electrode block A, electrode block B, ultrahigh frequency RFID core Piece forms electronic tag body, and the substrate module coil includes insulating substrate module, and spiral is equipped in the insulating substrate module Shape conductive coil, one end of the helical form conductive coil are electrically connected with the electrode block A, the helical form conductive coil it is another One end is electrically connected with the electrode block B.

2. the ultra wide band hyperfrequency surgical instrument electronic tag according to claim 1 based on inductive coupling principles, special Sign is that the insulating substrate module includes the insulating substrate plate of multiple-level stack, leads in the insulating substrate plate equipped with semi-circular Electric piece, the semi-circular conductive sheet head and the tail in insulating substrate plate described in adjacent two layers are electrically connected to form the helical form conductive coil, One end of the helical form conductive coil is equipped with interior electrode plate A, and the interior electrode plate A is located to be formed in the electrode block A and be electrically connected It connects, the other end of the helical form conductive coil is equipped with interior electrode plate B, and the interior electrode plate B is located in the electrode block B and is formed Electrical connection.

3. the ultra wide band hyperfrequency surgical instrument electronic tag according to claim 2 based on inductive coupling principles, special Sign is that the semi-circular conductive sheet head and the tail in the adjacent two layers insulating substrate plate pass through connection conductor electrical connection, the connection Conductor is the cylindrical conductor arranged vertically, and the upper end of the cylindrical conductor and the tail end of top semi-circular conductive sheet are electrically connected It connects, the lower end of the cylindrical conductor is electrically connected with the head end of lower section semi-circular conductive sheet.

4. the ultra wide band hyperfrequency surgical instrument electronic tag according to claim 1 based on inductive coupling principles, special Sign is that the outside of the electronic tag body is equipped with encapsulating housing, and the encapsulating housing is rectangular parallelepiped structure, the cuboid knot The length of structure is 8mm, 2.5mm, 2mm.

5. the ultra wide band hyperfrequency surgical instrument electronic tag according to claim 1 based on inductive coupling principles, special Sign is that the material of the insulating substrate module is ferrite.

6. the ultra wide band hyperfrequency surgical instrument electronic tag according to claim 1 based on inductive coupling principles, special Sign is that the induction reactance of the electronic tag body is equal with the input capacitive reactance of the ultrahigh frequency RFID chip.