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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0194979 (1994-02-14) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 337 인용 특허 : 0 |
RF tracking system employs a RF invasive device coupled to surgical tracking equipment for tracking the invasive device. An inductive coupling permits the device to be quickly coupled to, and decoupled from, the equipment. The coupling comprises an inducting coil which transmits a signal from the su
RF tracking system employs a RF invasive device coupled to surgical tracking equipment for tracking the invasive device. An inductive coupling permits the device to be quickly coupled to, and decoupled from, the equipment. The coupling comprises an inducting coil which transmits a signal from the surgical tracking equipment to a communicating coil in the invasive device. The signal received by the communicating coil passes along leads to a tracked coil in a distal end of the invasive device. The tracked coil transmits the signal as RF energy which is received by the surgical tracking equipment which superimposes the position of the distal end of the invasive device on an X-ray image and displays it on a monitor A sterile shield is employed as a sterile barrier between the inducting coil and the equipment end of the invasive device to prevent contamination of the invasive device by the inducting coil. The cross-section of the invasive device at its equipment end can be made identical to the rest of the invasive device to permit other invasive devices to pass completely over the invasive device.
A radiofrequency (RF) tracking system to track an invasive device in a living subject comprising: a) radiofrequency (RF) source for generating an RF signal; b) an interface assembly having 1. retaining device and 2. inducting coil connected to the RF source for transmitting the RF signal; c) an inva
A radiofrequency (RF) tracking system to track an invasive device in a living subject comprising: a) radiofrequency (RF) source for generating an RF signal; b) an interface assembly having 1. retaining device and 2. inducting coil connected to the RF source for transmitting the RF signal; c) an invasive device having an equipment end held by the retaining device and a distal end intended to be inserted in said subject, the invasive device also having 1. a communicating coil in the equipment end inductively coupled to the inducting coil receiving the RF signal transmitted by the inducting coil, 2. electrical leads connected to the communicating coil for passing the received RF signal, and 3. a transmitting coil in the distal end connected to the electrical leads, for transmitting the RF signal into said subject; d) a sterile shield fitting between the interface assembly and the invasive device for creating an antiseptic sterile barrier between the invasive device and the interface assembly; e) an RF tracking means for calculating a position of the transmitting coil indicating the location and orientation of the invasive device from the RF signal.
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