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Spinal Cord Stimulation (Boston Scientific)
脊髓電刺激
This interactive video gives a clear picture of a spinal cord stimulator implant.
這段交互視頻清楚地演示了脊髓電刺激儀植入術。
Overview(概述)
Spinal cord stimulation(also called SCS) uses electrical impulses to relieve chronic pain of the back, arm and legs. It is believed that electrical pulses prevent pain signals from being recerved by the brain. SCS candidates include people who suffer from neuropathic pain and for whom conservative treatments have failed.
脊髓電刺激儀(Spinal cord stimulation,SCS )使用電脈衝來緩解背部、胳膊和下肢的慢性疼痛。據信,電脈衝信號可以阻止大腦接收疼痛信號。脊髓電刺激儀植入術適用於那些遭受神經病理性疼痛以及保守治療無效的病人。
Trial Implantation(試驗性安裝)
The injection site is anesthetized. One or more insulated wire leads are inserted through an epidural needle or through a small incision into the space surrounding the spinal cord, called the epidural space.
穿刺部位予局部麻醉。通過硬膜外穿刺針或局部小切口將一根或多根絕緣導線插入到脊髓周圍的空間,即硬膜外腔。
Find the Right Location(尋找正確位置)
Electrodes at the end of the lead produce electrical pulses that stimulate the nerves, blocking pain signals. The patient gives feedback to help the physician determine where to place the stimulators to best block the patient's pain. The leads are connected to an external trial stimulator, whick will be used for approximately one week to determine if SCS will help the patient.
導線末端的電極產生電脈衝,刺激神經,阻斷疼痛信號。病人將感受及時反饋給醫生,以明確阻斷病人疼痛信號的刺激儀植入的最佳位置。導線與體外的試驗性刺激儀相連,將需要一周左右的時間來明確脊髓電刺激儀對病人是否有效。
Determine Effectiveness(明確效果)
If the patient and the physician determine that the amount of pain relief is acceptable, the system may be permanently implanted. At the end of the trial implantation, the leads are removed.
如果病人和醫師確定疼痛緩解的程度是可接受的,系統將被永久地植入。在試驗性植入結束後,導線被移除。
Permanent Implantation(永久性植入)
The permanent implantation may be performed while the patient is under sedation or general anesthesia. First, one or more permanent leads are inserted through an epidural needle or a small incision into the predetermined location in the epidural space.
永久性植入時患者需要行鎮靜或全身麻醉。首先,將一根或多根永久性導線通過硬膜外穿刺針或小切口插入到預先設定好的硬膜外腔的位置。
Generator Implantation(植入電脈衝發生器)
Next, a small incision is created, and the implantable pulse generator(IPG)battery is positioned beneath the skin. It is most often implanted in the buttocks or the abdomen. The leads are then connected to the IPG battery.
然後,作一個小切口,將可植入式的脈衝發生器(implantable pulse generator,IPG)電池植於皮下。通常植於臀部或腹部。然後將導線與可植入式的脈衝電刺激發生器相連。
End of Procedure(手術結束)
The implant's electrical pulses are programmed with an external wireless programmer. The patient can use the programmer to turn the system on or off, adjust the stimulation power level and switch between different programs.
植入物的電脈衝由體外的無線遙控器來設定程序。病人可使用遙控器將系統打開或關閉,調節刺激強度水平以及在不同的程序之間轉換。
After SCS Implantation(脊髓電刺激儀植入術後)
After surgery, patients may experience mild discomfort and swelling at the incision sites for several day.
術後幾天,患者切口部位可能出現輕度不適和腫脹。
(胡佰文 譯)
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