TWI758021B - Operating room instrument wireless identification device - Google Patents

Abstract

A wireless identification device for instruments in an operating room, which utilizes the flexibility and elasticity of the telescopic strap, only needs to surround the finger ring of the metal instrument with the telescopic strap, and fasten the female fastener on the male fastener to complete the operation. When the buckle seat is buckled with the buckle part of the carrier, the wireless identification device can be fixed on the finger ring of the metal device simply and securely; and the wireless radio frequency identification unit is isolated from the finger ring by the carrier, so as to prevent energy 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 finger ring enables the RFID unit to use the metal device as an antenna to achieve a good and stable external reading device. reading effect.

Description

Operating room instrument wireless identification device

The invention relates to a wireless identification device for operating room instruments, which can be simply and securely fixed on a metal instrument ring, and has a good and stable reading effect of an external 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. Circumstances; especially tissue scissors, wire scissors, needle holders, hemostatic forceps, right-angle forceps, caulk forceps and other scissors/pliers type instruments, except for the position of the ring, since the scissors/jaws end is close to or in contact with the surgical site, no foreign Objects are attached, making it difficult to use RFID tags on scissors/pliers.

2. Electronic tag reading signals are susceptible to interference:

Most surgical instruments are made of non-rusting metal materials. RFID tags on the market are attached to the instruments. The transmission and reception of electromagnetic wave reading signals are susceptible to metal interference, which is prone to 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 a wireless identification device for operating room instruments, which is a wireless identification device used for the operating room scissors/pliers type metal instrument ring, as a wireless identification device for the identification management of the metal instrument, including a base and a wireless a radio frequency identification unit; the base is an elastic soft rubber material molded body, and has a carrier, the radio frequency identification unit is installed inside the carrier, and a buckle part is arranged on the surface end, and the front edge of the buckle part extends a A telescopic belt, the end of the telescopic belt is formed with a buckle seat opposite to the buckle part, the buckle seat and the butting surface of the buckle part are opposite to each other There are at least one male fastener and at least one female fastener corresponding to each other;

Using the flexibility and elasticity of the telescopic strap, it is only necessary to surround the finger ring of the metal instrument with the telescopic strap, and then fasten the female fastener with the male fastener to complete the fastening between the fastening seat and the carrier When the part is fastened, the wireless identification device can be simply and securely fixed on the ring of the metal device; and the RFID unit is isolated from the ring by the carrier, 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 interval between the radio frequency identification unit and the finger ring enables the radio frequency identification unit to use the metal instrument as an antenna to achieve a good and stable reading effect of the external reading device.

Another object of the present invention is to provide a wireless identification device for operating room instruments, wherein the wireless radio frequency identification unit is an ultra-high frequency radio frequency identification element, so that the wireless identification device on the finger ring of the metal instrument can be extended by the reading device. Read the ID code and/or pre-written message on the RFID unit from a distance.

Another object of the present invention is to provide a wireless 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 wireless identification device.

Another object of the present invention is to provide a wireless identification device for operating room instruments, wherein a long slot hole is defined on one side of the carrier of the base, and the wireless 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 a wireless identification device for operating room instruments, Wherein, the radio frequency identification unit is placed in the mold during the molding process of the base, and is wrapped inside the molded carrier; the carrier completely seals the radio frequency identification unit without an outlet, so that the radio frequency identification The unit can be permanently sealed with the outside world.

Another object of the present invention is to provide a wireless identification device for operating room instruments, wherein the buckle portion of the carrier is a groove-shaped body in the shape of multiple walls, and the buckle seat is a body opposite to the buckle portion. The shape of the polygonal buckle block; when the male fastener is fastened to the female fastener, the displacement is limited by the insertion of the buckle seat into the buckle portion, so that the buckle seat is fastened on the buckle portion, To achieve a stable and firm buckle effect.

Another object of the present invention is to provide a wireless identification device for operating room instruments, wherein the male fastener and the female fastener are each a rigid material molded body, and one end of the male fastener is respectively provided with a coupling ring body, the coupling ring body, and are respectively embedded in the butting surface of the buckle seat and the buckle part, so that the butt surface of the buckle seat and the butt surface of the buckle part correspond to each other by the male fastener and the The female fastener is protruded with at least one male button post and formed with at least one female button hole, and the male button post is fastened to the front end of the column body to expand its diameter to form a button joint, and the female button hole is fastened to a section of the guide hole In the section, a reaming section is formed in diameter relative to the buckle joint, 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 button is buckled into the female button hole When the buckle joint is forced to enter the reaming section through the guide hole section, it can be reversed to the exit restriction function of the clamping end face to achieve a permanent and firm buckle effect; and the above-mentioned buckle seat and the On the butting surface of the buckle portion, a combination hole groove is respectively provided with respect to the combination ring body of the male fastener and the combination ring body of the female fastener. The combination ring body of the male fastener and the combination ring body of the female fastener are forced to be inserted into the combination hole groove of the buckle seat and the combination hole groove of the buckle part, respectively, so that the male buckle and the female buckle are fixed. The parts are respectively fixed on the butt joint of the buckle seat and the buckle part and the above-mentioned coupling ring body of the male fastener and the coupling ring body of the female fastener, when the base is molded, are embedded in the abutting surfaces of the buckle seat and the buckle part, respectively inside, so that the male fastener and the female fastener are permanently fixed on the abutting surface of the buckle seat and the buckle part without loosening.

Another object of the present invention is to provide a wireless identification device for operating room instruments, wherein a curved arc is formed between the telescopic strap and the buckle portion, and between the telescopic strap and the buckle base, respectively The buckle tightening surface can reduce the fastening of the base on the finger ring by matching the buckle tightening surface with the three-dimensional curved arc body of the finger ring when the retractable strap surrounds the finger ring of the metal device. A gap occurs during fixing.

10: Metal instruments

11: Ring

20: Wireless identification device

21: Pedestal

210: Carrier

211: Buckle part

211A: Butt Face

211B: Combined hole and groove

212: Telescopic Girdle

212A, 212B: Buckle tightening surface

213: Snap seat

213A: Butt Face

213B: Combined hole and groove

214: Long slotted hole

215: Sealing block

22: Radio Frequency Identification Unit

23: Male fastener

230: Binding ring body

231: Male Buckle Post

232: Snap connector

24: Female fastener

240: Binding ring body

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 an exploded perspective view of the structure of the present invention

Figure 3 is a sectional view of the combined structure of the present invention

Figure 4 is a schematic diagram of the state of the present invention when it is fixed on the metal device ring

Figure 5 is the top view of the present invention when it is fixed on the metal device ring

FIG. 6 is a cross-sectional structural view of FIG. 5A-A

Figure 7 is a comparison curve of the starting power of the radio frequency identification unit before the base is inserted into the base and after the base is used for the instrument

Figure 8 is a comparison curve of the theoretical reading distance before the radio frequency identification unit is inserted into the base 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, A detailed description is as follows: A wireless identification device for operating room instruments, as shown in Figures 1, 2, and 3, is a wireless identification device used on the ring 11 of a scissors/pliers type metal instrument 10 in an operating room as a wireless identification device for the identification management of the metal instrument 10. 20, including a base 21 and an RFID radio frequency identification unit 22; the base 21 is an elastic soft rubber material molded body, and has a carrier 210, and the radio frequency identification unit 22 is installed inside the carrier 210, A buckle portion 211 is provided on the surface end. A telescopic strap 212 extends from the front edge of the buckle portion 211 . The end of the stretch strap 212 is formed with a buckle seat 213 opposite to the buckle portion 211 . The buckle seat 213 is connected to the At least one male fastener 23 and at least one female fastener 24 are respectively disposed on the butting surfaces 211A and 213A of the fastener portion 211 , respectively. The flexibility and elasticity of the retractable strap 212 are utilized, as shown in FIG. 4, 5, 6, only the ring 11 of the metal device 10 needs to be surrounded by the retractable strap 212, and the male fastener 23 is fastened to the female fastener 24 to complete the fastener connection between the fastener seat 213 and the carrier 210 When the part 211 is buckled, the wireless identification device 20 can be fixed on the ring 11 of the metal instrument 10 simply and securely; as shown in FIGS. 11. In addition to preventing the metal device 10 from interfering with wireless signal transmission and reception, the electromagnetic wave signal resonance effect formed by the interval between the RFID unit 22 and the ring 11 enables the RFID unit 22 to use the metal device 10 as an antenna. , to achieve a good and stable reading effect of the external reading device (not shown).

According to the above-mentioned 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. 11. The wireless identification device 20 can read wireless radios over a long distance. ID identification code and/or pre-written message on the frequency identification unit 22; take the UHF RFID system planned by the hospital, the frequency specification is 922~928MHz as an example, the above-mentioned ultra-high frequency radio frequency identification unit 22 (UHF RFID) is loaded into Before the base 21 and after the base 21 is installed for the instrument (as shown in FIG. 4 ), start-up power and reading distance tests are performed respectively, as shown in FIGS. 7 and 8 , before the radio frequency identification unit 22 is inserted into the base 21 The measured start-up power in the 922~928MHz frequency band is 15.25~17.1 (dBm), and the measured theoretical reading distance is 1.1~1.39m (meters); as shown in Figures 5 and 6, the RFID unit 22 is inserted into the base After 21 is used on the device 10 ring 11, the measured starting power in the 922~928MHz frequency band is 11.85~13.55 (dBm), and the measured theoretical reading distance is 1.78~2.22m (meters); confirming the above wireless identification device The structure of the embodiment 20 is used on the ring 11 of the metal instrument 10, not only the electromagnetic wave reading signal is not disturbed or affected by the metal instrument 10, but also increases the theoretical reading distance of 0.755m (meters) on average; according to the actual reading distance ( Due to the factor of increasing equipment power), the reading distance is 1.5 times the theoretical reading distance, which means that the reading distance of the structure of the above-mentioned wireless identification device 20 in the 922-928 MHz frequency band can reach 2.66-3.33 m (meters), which is completely in line with the identification of hospital equipment. Management needs.

According to the above embodiment, as shown in FIGS. 1 , 2 and 3 , the base 21 is a molded body of silicone material. The high temperature resistance, antibacterial and chemical resistance properties of the silicone material, as shown in FIG. 4 , are used to clean the metal instrument 10 . Working with disinfection, the wireless identification device 20 is not affected or damaged.

According to the above embodiment, wherein, as shown in FIGS. 2 and 3 , one end of the carrier 210 of the base 21 is away from the buckle portion 211 , and a long slot 214 is defined relative to the cylindrical RFID unit 22 . The identification unit 22 is embedded in the long slot hole 214 , and is glued and closed by the sealing block 215 ; The radio frequency identification unit 22 is sealed in the long slot 214, so that the radio frequency identification unit 22 can be permanently isolated and protected from the outside world.

According to the above-mentioned embodiment, wherein, as shown in FIGS. 1 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 installed 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 embodiment, wherein, as shown in FIG. 2 , the buckle portion 211 of the carrier 210 is a multi-wall-shaped groove body, and the buckle seat 213 is a polygonal buckle block shape corresponding to the shape of the buckle portion 211 . 4, 5, 6, when the male fastener 23 is buckled with the female fastener 24, the buckle seat 213 is embedded in the buckle portion 211 to produce an offset limit, so as to make the buckle seat 213 It is fastened on the fastening portion 211 to achieve a stable and firm fastening effect.

According to the above-mentioned embodiment, as shown in FIGS. 2 and 3 , the male fastener 23 and the female fastener 24 are each formed of a polymer rigid plastic material, and one end of the male fastener 23 and the female fastener 24 respectively have a combined ring body 230 and 240 . The ring bodies 230 and 240 are respectively embedded in the abutting surfaces 213A and 211A of the buckle seat 213 and the buckle part 211 , so that the abutment surface 213A of the buckle seat 213 and the butt surface 211A of the buckle part 211 On the top, the male fastener 23 and the female fastener 24 respectively protrude a male fastener 231 and form a female fastener hole 241, and the male fastener 231 is fastened to the front end of the cylinder to expand its diameter to form a The conical buckle joint 232, the female buckle hole 241, is fastened in a guide hole section 241A, and a reaming section 241B is formed relative to the diameter of the buckle joint 232, so that the guide hole section 241A and the expanding hole section 241B are formed. A latching end face 242 is formed at the junction of the hole section 241B, as shown in FIGS. 5 and 6 , so that when the male button post 231 is buckled into the female button hole 241 , the snap joint 232 can forcefully pass through the guide hole The moment when the segment 241A enters the reaming segment 241B, it is reversed against the withdrawal restriction effect of the locking end face 242 to achieve a permanent and firm buckle effect. On the abutting surfaces 213A and 211A of the pair, a combination hole groove 213B, 211B is respectively defined with respect to the combination ring body 230 of the male fastener 23 and the combination ring body 240 of the female fastener 24, and through the combination hole groove 213B, 211B has the ability to expand and contract, so that the coupling ring body 230 of the male fastener 23 and the coupling ring body 240 of the female fastener 24 can be forcibly inserted into the coupling hole groove 213B of the fastening seat 213 and the fastening part respectively. 211 is fixed in the combination hole groove 211B, so that the male fastener 23 and the female fastener 24 are respectively fixed on the abutting surfaces 213A and 211A of the fastener seat 213 and the fastener portion 211; The above-mentioned coupling ring body 230 of the male fastener 23 and the coupling ring body 240 of the female fastener 24 are embedded in the fastening seat 213 and the fastening portion respectively when the base 21 is injection molded. Inside the abutting surfaces 213A and 211A of the 211 , so that the male fastener 23 and the female fastener 24 are permanently fixed on the engaging seat 213 and the engaging surfaces 213A and 211A of the engaging portion 211 without loosening.

According to the above-mentioned embodiment, wherein, as shown in FIGS. 2 and 3 , between the telescopic strap 212 and the buckle portion 211 , and between the telescopic strap 212 and the buckle base 213 , respectively correspond to the finger rings of the device 10 , A curved buckle tightening surface 212A, 212B is formed, as shown in Figs. 4, 5, 6, so that when the retractable strap 212 surrounds the finger ring 11 of the metal device 10, the buckle tightening surfaces 212A, 212B are formed Matching the three-dimensional curved arc body of the finger ring 11 can reduce the generation of gaps when the base 21 is fastened and fixed on the finger ring 11 .

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: Wireless identification device

21: Pedestal

210: Carrier

211: Buckle part

211A: Butt Face

211B: Combined hole and groove

212: Telescopic Girdle

212A, 212B: Buckle tightening surface

213: Snap seat

213A: Butt Face

213B: Combined hole and groove

214: Long slotted hole

22: Radio Frequency Identification Unit

23: Male fastener

230: Binding ring body

231: Male Buckle Post

232: Snap connector

24: Female fastener

240: Binding ring body

241: Female button hole

241A: Pilot hole segment

241B: Reaming section

242: Card end face

Claims (10)

A wireless identification device for operating room instruments, which is used on a ring of scissors/pliers type metal instruments in an operating room as a wireless identification device for identification management of the metal instruments, comprising a base and a radio frequency identification unit; the base, It is an elastic soft plastic material molded body, which has a carrier, the inside of the carrier is equipped with the radio frequency identification unit, the surface end is provided with a buckle part, the front edge of the buckle part extends a telescopic belt, the telescopic belt The end portion is formed with a buckle seat opposite to the buckle portion, and at least one male buckle and at least one female buckle are respectively provided on the butting surfaces of the buckle seat and the buckle portion corresponding to each other. According to the wireless identification device for operating room instruments described in item 1 of the patent application scope, the wireless radio frequency identification unit is an ultra-high frequency radio frequency identification element. According to the wireless identification device for operating room instruments according to claim 1, the base is a silicone material molding. According to the wireless 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 wireless 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 wireless identification device for operating room instruments according to claim 1, wherein the wireless radio frequency identification unit is placed in a mold during the molding process of the base, and is wrapped inside the molded carrier. According to the wireless identification device for operating room instruments described in claim 1, the buckle portion of the carrier is a groove-shaped body in the shape of multiple walls, and the buckle seat is opposite to the buckle portion shape. Polygonal buckle shape. According to the wireless identification device for operating room instruments according to claim 1, wherein the male fastener and the female fastener are each a rigid material molded body, and one end of the male fastener is respectively provided with a coupling ring body. , and are respectively embedded in the butting surface of the buckle seat and the buckle part, so that the butt surface of the buckle seat and the butt surface of the buckle part correspond to each other by the male buckle and the female The fastener is protruded with at least one male button post and formed with at least one female button hole, and the male button post is fastened to the front end of the column body to expand the diameter to form a button joint, and the female button hole is fastened to a guide hole section Inside, a reaming section is formed relative to the buckling head by expanding the diameter, so that a clamping end face is formed at the junction of the guiding hole section and the reaming section. The wireless identification device for operating room instruments according to item 7 of the scope of the patent application, wherein the butting surface of the buckle seat and the buckle portion is opposite to the combination of the coupling ring body of the male fastener and the coupling of the female fastener The ring bodies are respectively provided with a combination hole and groove. According to the wireless identification device for operating room instruments described in item 7 of the scope of the patent application, the coupling ring body of the male fastener and the coupling ring body of the female fastener are respectively embedded in the bag when the base is molded. It covers the inside of the butting surface of the buckle seat and the buckle part. According to the wireless identification device for operating room instruments according to the first item of the scope of the patent application, a curved arc is formed between the retractable strap and the buckle portion, and between the retractable strap and the buckle base, respectively. Buckle cinches the face.

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