TW202226261A - Electronic identifier for operating room instruments achieving a good and stable wireless reading effect of the external electronic reading device - Google Patents

Abstract

An electronic identifier for operating room instruments, which utilizes the flexibility and elasticity of the pair of telescopic straps, that is, only in the case that the handle of a metal instrument needs to be surrounded by the pair of telescopic straps, the male fastener is fastened on the female fastener to complete the butt engagement of the male fastener and the female fastener, and the electronic identifier can be easily and securely fixed on the handle of the metal instrument. In addition, the radio frequency identification unit isolates the handle by the carrier, which not only to prevent the metal instrument from interfering with wireless signal transmission and reception, but also to enable the electromagnetic wave signal resonance effect to be formed by the distance between the radio frequency identification unit and the handle, thereby allowing the radio frequency identification unit to use the metal instrument as an antenna, so as to achieve a good and stable wireless reading effect for the external electronic reading device.

Description

Operating room equipment electronic identification device

The invention relates to an electronic identification device for operating room instruments, which can be simply and firmly fixed on the handle of a metal instrument, and has a good and stable reading effect of an external wireless reading device.

Today's medical institutions are constantly striving to improve the quality of medical care to avoid the occurrence of medical negligence; but unfortunately, medical negligence is still inevitable. Therefore, the issue of patient safety has always been one of the most important issues for the World Health Organization (WHO) and countries in Europe, America and Japan, and it is also an important issue for the health care service systems of countries around the world.

The operating room is indeed a high-risk, high-cost and complex, specialized, high-tech unit. Generally, a team of surgeons, anesthesiologists, anesthesia nurses, mobile nurses and other operating room personnel is required to perform surgery. In the case of medical error, 16.9% of adverse surgical events were medical negligence. In order to reduce medical errors, negligence and improve the safety of pre-operative care of patients in the operating room, the pre-operative disinfection supply department will check and package the equipment; supervise the use of the equipment during the operation; post-operative equipment recovery, classification, inventory and disinfection work is very important. RFID radio frequency identification technology is used for the identification of surgical instruments, which should bring safety and efficiency to the above work, especially the identification/tracking of surgical instruments before and after use. The hospital can ensure the completeness and thoroughness of disinfection, avoid the risk of nosocomial infection, or avoid Medical accidents occurred in which surgical instruments were left in the human body.

However, the use of RFID electronic identification tags on surgical instruments today still has the following problems Issue to be resolved:

1. The electronic label on the device is easy to lose:

If surgical instruments are to be identified by the RFID system, they must first be faced with how to incorporate a large number of existing instruments into system management; the existing sticker-type RFID electronic tags on the market are generally only attached to the instruments by adhesive, which is easy to be lost during the cleaning and disinfection process. Situation; especially scalpel, surgical tweezers and other instruments, due to the smooth surface and unreliable sticker fixation, RFID electronic tags are difficult to use on scalpels/tweezers.

2. Electronic tag reading signals are susceptible to interference:

Most surgical instruments are made of non-rusting metal materials, and RFID tags on the market are attached to the instruments. The transmission and reception of electromagnetic wave reading signals are susceptible to metal interference, resulting in unstable, bad or wrong signal reading.

Therefore, in order to solve the above problems, how to reliably install RFID electronic identification elements on existing instruments and have stable and effective reading effects is a technical problem that needs to be solved urgently in the use of RFID identification systems for surgical instruments today.

The main purpose of the present invention is to provide an electronic identification device for operating room instruments, which is used on the handle of a metal instrument of the surgical knife/tweezers type in the operating room, as an electronic identification device for wireless identification management of the metal instrument, including a base a base and a radio frequency identification unit; the base is an elastic soft plastic material molded body, and has a carrier, the radio frequency identification unit is installed inside the carrier, and a pair of telescopic straps extend on both sides of the surface. The ends of the telescopic strap are respectively formed with a male buckle seat and a female buckle seat. The end surfaces of the male buckle seat and the female buckle seat are respectively provided with at least one male buckle and at least one a female fastener;

By utilizing the flexibility and elasticity of the pair of telescopic straps, it is only necessary to surround the long plate-shaped handle of the metal instrument with the pair of telescopic straps, and then fasten the female fastener with the male fastener to complete the male fastening When the seat and the female buckle seat are butt-fastened, the electronic identification device can be simply and securely fixed on the handle of the metal instrument; and the radio frequency identification unit is isolated from the handle by the carrier, except for In addition to preventing the metal device from interfering with the transmission and reception of wireless signals, the electromagnetic wave signal resonance effect formed by the gap between the RFID unit and the handle enables the RFID unit to use the metal device as an antenna to achieve an external electronic reading device Good and stable wireless reading effect.

Another object of the present invention is to provide an electronic identification device for operating room instruments, wherein the radio frequency identification unit is an ultra-high frequency radio frequency identification element, so that the electronic identification device can be attached to the handle of the metal instrument by the electronic reading device. It can read the ID code and/or pre-written messages on the RFID unit over a long distance.

Another object of the present invention is to provide an electronic identification device for operating room instruments, wherein the base is a silicone material molded body, and the high temperature resistance, antibacterial and chemical resistance properties of the silicone material are used to clean and sterilize metal instruments. work without affecting or destroying the electronic identification device.

Another object of the present invention is to provide an electronic identification device for instruments in an operating room, wherein a long slot hole is defined on one side of the carrier of the base, and the radio frequency identification unit is embedded in the long slot hole, and is sealed by a seal. The plastic block seals the aperture; the radio frequency identification unit is sealed in the long slot by the sealing block, so that the radio frequency identification unit can be permanently isolated and protected from the outside world.

Another object of the present invention is to provide an electronic identification device for operating room instruments, wherein the radio frequency identification unit is placed in a mold during the molding process of the base, and is wrapped in a mold. the inside of the carrier of the type; the carrier completely seals the radio frequency identification unit without exit, so that the radio frequency identification unit can permanently form a sealing protection with the outside world.

Another object of the present invention is to provide an electronic identification device for operating room instruments, wherein the male fastener and the female fastener are each formed of a rigid material with a body, and the main body of the male fastener and the female fastener have a body. The main body is respectively embedded in an abutting surface of the male buckle socket and the female buckle socket, so that the abutment surface of the male buckle socket and an abutment surface of the female buckle socket correspond to each other by the The male fastener and the female fastener are protruded with at least one male button post and at least one female button hole is formed, and the male button post is fastened to the front end of the cylinder to expand the diameter to form a button joint, the female button hole is connected to In a section of the guide hole section, a reaming section is formed by expanding the diameter relative to the buckle head, so that a clamping end face is formed at the junction of the guide hole section and the reaming section, so that when the male buckle is buckled in When inside the female button hole, the snap joint can be forced to pass through the guide hole section and enter the reaming section to reverse the withdrawal restriction effect on the end face of the upper button, so as to achieve a permanent and firm buckle effect; and the above-mentioned The main body of the male fastener and the main body of the female fastener are respectively embedded in the mating surfaces of the male fastener and the female fastener when the base is molded, so as to make the male fastener It is permanently fixed with the female fastener on the mating surfaces of the male fastener and the female fastener without loosening; and the main body surface of the male fastener and the main body surface of the female fastener respectively protrude outwards. A plurality of protruding blocks, so that the male fastener is covered in the male fastener seat and the female fastener is covered in the female fastener seat, and the protruding blocks can produce a deflection restricting effect to achieve the encapsulation Stable and firm effect.

10: Metal instruments

11: Grip

20: Electronic identification device

21: Pedestal

210: Carrier

211A, 211B: Telescopic straps

212: Male snap socket

212A: Butt Face

213: Female snap socket

213A: Butt Face

214: Long slotted hole

215: Sealing block

22: Radio Frequency Identification Unit

23: Male fastener

230: Ontology

230A: bump

231: Male Buckle Post

232: Snap connector

24: Female fastener

240: Ontology

240A: bump

241: Female button hole

241A: Pilot hole segment

241B: Reaming section

242: Card end face

FIG. 1 is a schematic diagram of the state of the present invention before it is installed in a metal instrument

Figure 2 is a perspective view of the appearance of the present invention

Figure 3 is an exploded perspective view of the structure of the present invention

Figure 4 is a perspective view of the external appearance of the male fastener of the present invention

Fig. 5 is a perspective view of the structural appearance of the female fastener of the present invention

Figure 6 is a top view of the combined structure of the present invention

Fig. 7 is a cross-sectional structural view of Fig. 6A-A

Figure 8 is a schematic diagram of the state of the present invention when it is fixed on the handle of a metal device

Figure 9 is a cross-sectional view of the present invention when it is fixed on the handle of a metal device

Fig. 10 is an enlarged view of the structure of part B of Fig. 9

Figure 11 is a comparison curve of the starting power of the radio frequency identification unit before the base is used for the instrument and after the base is used for the instrument

Figure 12 is a comparison curve of the theoretical reading distance of the radio frequency identification unit before the base is used for the instrument and after the base is used for the instrument

In order to achieve the above-mentioned purpose, the present invention specifically cites preferred embodiments, and cooperates with the accompanying drawings, and is described in detail as follows:

An electronic identification device for operating room instruments, as shown in Figures 1, 2, and 3, is a wireless identification device 20 used for the handle 11 of a surgical knife/tweezers type metal instrument 10 in the operating room as a wireless identification device 20 for wireless identification management of the metal instrument 10. , including a base 21 and an RFID radio frequency identification unit 22; as shown in Figures 2, 3, 6, and 7, the base 21 is an elastic soft rubber material molded body, and has a carrier 210. The radio frequency identification unit 22 is provided, and a stretch of retractable straps 211A and 211B extend from both sides of the surface. The pair of retractable straps 211A and 211B are respectively formed with a male socket 212 and a female socket 21 3. At least one male fastener 23 and at least one female fastener 24 are respectively provided on the end surfaces of the male fastener base 212 and the female fastener holder 213 corresponding to each other;

Using the flexibility and elasticity of the pair of telescopic straps 211A, 211B, as shown in FIGS. 1 , 8 and 9 , the pair of telescopic straps 211A, 211B only need to surround the long plate-shaped handle 11 of the metal instrument 10, When the male fastener 23 is fastened to the female fastener 24 to complete the mating and fastening of the male fastener 212 and the female fastener 213 , the electronic identification device 20 can be easily and securely fixed to the metal device 10 on the handle 11; and the radio frequency identification unit 22 is isolated from the handle 11 by the carrier 210. In addition to preventing the metal instrument 10 from interfering with wireless signal transmission and reception, the radio frequency identification unit 22 is spaced from the handle 11. The resulting electromagnetic wave signal resonance effect enables the RFID unit 22 to use the metal instrument 10 as an antenna to achieve a good and stable reading effect of an external electronic reading device (not shown).

According to the above embodiment, wherein, as shown in FIGS. 2 and 3 , the radio frequency identification unit 22 is an ultra-high frequency radio frequency identification element (UHF RFID), as shown in FIGS. 8 and 9 , so that the electronic reading device can hold the metal instrument 10 The electronic identification device 20 on the handle 11 can read the ID identification code and/or the pre-written message on the radio frequency identification unit 22 over a long distance; take the UHF RFID system planned by the hospital, the frequency specification is 922~928MHz as an example, the above The ultra-high frequency radio frequency identification unit 22 (UHF RFID) is installed into the base 21 for the front of the instrument and after the base 21 is installed for the instrument (as shown in Figure 8), and the startup power and reading distance tests are carried out respectively, such as Figures 11 and 12, before the radio frequency identification unit 22 is put into the base 21 and used for the instrument, the measured starting power in the 922~928MHz frequency band is 17.55~18 (dBm), and the measured theoretical reading distance is 0.73~0.78m (meter); as shown in Figures 8 and 9, the radio frequency identification unit 22 is inserted into the base 21 for the handle 11 of the instrument 10 After being installed, the measured starting power in the 922~928MHz frequency band is 9.8~10.2 (dBm), and the measured theoretical reading distance is 1.81~1.88m (meters). On the handle 11 of the instrument 10, not only the electromagnetic wave reading signal is not disturbed or affected by the metal instrument 10, but also the theoretical reading distance is increased by 1.09m (meters) on average; ) is 1.5 times the theoretical reading distance on average, indicating that the reading distance of the above-mentioned electronic identification device 20 in the 922-928MHz frequency band can reach 2.71-2.82m (meters), which fully meets the needs of hospital equipment identification management.

According to the above-mentioned embodiment, as shown in FIGS. 3 and 7 , the base 21 is a molded body of silicone material, and the high temperature resistance, antibacterial and chemical resistance properties of the silicone material, as shown in FIG. 8 , are used to clean and sterilize the metal instrument 10 Work without affecting or damaging the electronic identification device 20 .

According to the above embodiment, as shown in FIGS. 2 and 3 , one end of the carrier 210 of the base 21 has a long slot 214 relative to the shape of the columnar RFID unit 22, and the RFID unit 22 is embedded in the In the long slot hole 214, a sealing block 215 is glued to seal the hole; the radio frequency identification unit 22 is water-tightly sealed in the long slot hole 214 by the sealing glue block 215, so that the radio frequency identification unit 22 can permanently form isolation protection from the outside world.

According to the above-mentioned embodiment, wherein, as shown in FIGS. 2 and 3, the RFID unit 22 is attached to the base 21 and the soft rubber material is pre-placed in the injection mold (not shown) during the injection molding process, and is placed on the base. 21 is covered inside the molded carrier 210 during injection molding; the carrier 210 completely seals the RFID unit 22 without an exit, so that the RFID unit 22 can be permanently sealed and protected from the outside world.

According to the above-mentioned embodiment, wherein, as shown in Figures 2, 4, 5, 6, and 7, the male buckle The main body 230 and 240 of the male fastener 23 and the female fastener 24 are each formed of a polymer rigid plastic material. The main body 230 of the male fastener 23 and the main body 240 of the female fastener 24 are respectively embedded in the male fastener. In a pair of abutting surfaces 212A and 213A of the seat 212 and the female snap seat 213, the abutting surface 212A of the male snap seat 212 and the abutment surface 213A of the female snap seat 213 correspond to each other by the male snap 23 and the female fastener 24, at least one male button post 231 protrudes and at least one female button hole 241 is formed (the preferred embodiment is that two male button posts 231 are protruded and two female button holes 241 are formed. ), and the male button post 231 is attached to the front end of the cylinder to form a conical buckle joint 232, the female button hole 241 is fastened in a guide hole section 241A, and the diameter of the buckle joint 232 is expanded to form an expansion joint 232 The hole section 241B is formed so that a locking end face 242 is formed at the junction of the guide hole section 241A and the reaming section 241B, as shown in Figs. When inside, the snap joint 232 can be forced to pass through the guide hole section 241A and enter the reaming section 241B to reverse the withdrawal restriction effect of the upper stop end face 242, so as to achieve a permanent and firm buckle effect; and, if 2 and 3, the main body 230 of the male fastener 23 and the main body 240 of the female fastener 24 are embedded in the male fastener seat 212 and the female fastener 24, respectively, when the base 21 is injection-molded. Inside the mating surfaces 212A, 213A of the female snap-in socket 213, so that the male snap-in 23 and the female snap-in 24 are permanently fixed on the mating surfaces 212A, 213A of the male snap-in stand 212 and the female snap-in stand 213. Moreover, the surface of the main body 230 of the male fastener 23 and the surface of the main body 240 of the female fastener 24 are respectively protruded with a plurality of protrusions 230A, 240A, as shown in FIG. 2, so as to make the male fastener 23 wrap Covered in the male snap seat 212 and the female fastener 23 covered inside the female snap seat 213 , the protrusions 230A and 240A can produce a deflection limiting effect, so as to achieve a stable and firm covering effect.

The above description is only illustrative rather than restrictive to the present invention, and those of ordinary skill in the art will understand that many modifications, changes or the like can be made without departing from the spirit and scope defined by the accompanying description. effect, but will fall within the protection scope of the present invention.

20: Electronic identification device

21: Pedestal

210: Carrier

211A, 211B: Telescopic straps

212: Male snap socket

213: Female snap socket

214: Long slotted hole

215: Sealing block

22: Radio Frequency Identification Unit

23: Male fastener

24: Female fastener

Claims (8)

An electronic identification device for operating room instruments, which is used on the handle of a metal instrument of the surgical knife/tweezers type in the operating room as an electronic identification device for wireless identification management of the metal instrument identity, comprising a base and a radio frequency identification unit; The base, which is an elastic soft plastic material molded body, has a carrier. The radio frequency identification unit is installed inside the carrier. A pair of telescopic straps extend on both sides of the surface. The ends of the pair of telescopic straps are respectively A male buckle seat and a female buckle seat are formed. The end surfaces of the male buckle seat and the female buckle seat are respectively provided with at least one male buckle and at least one female buckle corresponding to each other. The electronic identification device for operating room instruments according to item 1 of the scope of the patent application, wherein the radio frequency identification unit is an ultra-high frequency radio frequency identification element. The electronic identification device for operating room instruments according to item 1 of the scope of the patent application, wherein the base is a silicone material molded body. According to the electronic identification device for operating room instruments described in item 1 of the scope of the patent application, a long slot hole is defined on one side of the carrier of the base, and the radio frequency identification unit is embedded in the long slot hole, and is sealed by a seal. The glue block closes the orifice. According to the electronic identification device for operating room instruments according to item 1 of the scope of the patent application, the radio frequency identification unit is placed in a mold during the molding process of the base, and is wrapped inside the molded carrier. The electronic identification device for operating room instruments according to item 1 of the scope of the application, wherein the male fastener and the female fastener are each formed of a rigid material with a body, the main body of the male fastener and the main body of the female fastener , and are respectively embedded in an abutting surface of the male snap socket and the female snap socket, so that the male snap At least one male button post and at least one female button hole are protruded from the male fastener and the female fastener corresponding to each other on the butt surface of the buckle seat and the butt surface of the female buckle. The male button column is fastened to the front end of the column body to expand the diameter to form a button joint, the female button hole is fastened in a guide hole section, and relative to the button joint, the diameter is expanded to form a hole expansion section, so that the guide hole section A clamping end face is formed at the junction with the reaming section. According to the electronic wireless identification device for operating room instruments described in item 6 of the scope of the patent application, the main body of the male fastener and the main body of the female fastener are respectively embedded and wrapped in the base when the base is molded. The inside of the butting surfaces of the male snap socket and the female snap socket. The electronic identification device for operating room instruments according to item 7 of the scope of the patent application, wherein the main body surface of the male fastener and the main body surface of the female fastener are respectively protruded with a plurality of protrusions.

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