The electrocardiogram (ECG) app, which works on #AppleWatch Series 4 and later models, will be available in Taiwan from Dec. 15 on the #iOS 14.3 and #watchOS 7.2 operating systems, the U.S. #tech giant said in a statement on its website.
https://focustaiwan.tw/sci-tech/202012090016
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fda approved medical device 在 眼科陳慶隆醫師-視網膜的大小事 Facebook 的最佳解答
術後可調整度數及散光的人工水晶體 RxSight,正式被美國FDA通過,如果未來能在台灣上市,將是眼科醫師與患者的一大福音!
美國食品藥物管理局(FDA)昨(22)日批准了RxSight的光調節水晶體(light adjustable lens)和光傳遞設備(light delivery device, LDD),這是第一個可以在白內障手術後,對人工水晶體(intraocular lens, IOL)進行小幅度調整的醫療器械系統,幫助患者不戴眼鏡也能擁有良好視力。
白內障通常是由於年紀增長,水晶體變硬或混濁,影響患者視力。也有些是由於外傷性、併發性(如青光眼)、代謝性(如糖尿病)等引起的白內障。
解決療法之一便是進行人工水晶體置換手術,然而許多患者會有些微屈光不正,需要使用眼鏡或隱形眼鏡矯正。
為了替患者解決人工水晶體不當聚焦的問題,RxSight 建構獨特材料IOL,在手術後17至21天,對LDD發出的紫外線進行反應。根據所需調整量,患者在1到2周內接受3或4次光照治療,每次約40-150秒。
白內障手術開始到光療結束,患者必須配戴特殊眼鏡防護紫外線,保護新水晶體免受紫外線照射影響。
FDA批准是基於針對此產品所做的試驗成果,該研究隨機性地在17個研究地點挑選600名患有散光的患者,比較了光調節水晶體與現有的單焦點水晶體。
使用光調節水晶體的患者接受輕度LDD治療,術後6個月的裸眼視力(uncorrected visual acuity, UCVA)達到20/20或更高,是接受單焦點水晶體患者的兩倍。與使用傳統IOL相比,患者平均遠距離裸眼視力在視力表上可多看清楚一行。
75%的患者散光也有所減少,91.8%使用光調節水晶體的患者也達到目標驗光球鏡度數(manifest refraction spherical equivalent)0.5D以內的結果,這與近期LASIK研究中所見屈光準確性相似。
FDA醫療器械暨輻射健康中心(Center for Devices and Radiological Health)眼科和耳鼻喉科部門主任Malvina Eydelman表示,到今天為止,白內障手術常見的屈光不正問題,都還得透過眼鏡矯正。不過這個系統為部分患者提供了一個新的選擇,使醫生在初次手術後,可進行多次,可在辦公室內操作的步驟,對植入的水晶體做些調整,提高不戴眼鏡的視力。
RxSight執行長Eric Weinberg指出,我們很高興全球首個手術後可調式IOL成功到達另一個里程碑,這對期待屈光人工水晶體技術再度突破的患者、外科醫生和驗光師來說,是一個相當令人振奮的機會。我們很感謝所有參與這項工作的人員,包括協助研究的臨床工作人員,以及準備審查監管報告的雙方(RxSight和FDA)工作人員。
感謝 David 提供中文翻譯。
資料來源:
https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm586405.htm
The U.S. Food and Drug Administration today approved the RxSight Inc. Light Adjustable Lens and Light Delivery Device, the first medical device system that can make small adjustments to the artificial lens’ power after cataract surgery so that the patient will have better vision when not using glasses.
Cataracts are a common eye condition where the natural lens becomes clouded, impairing a patient’s vision. Following cataract surgery, during which the natural lens of the eye that has become cloudy is removed and replaced with an artificial lens (intraocular lens, or IOL), many patients have some minor residual refractive error requiring use of glasses or contact lenses. Refractive error, which is caused when the artificial lens does not focus properly, causes blurred vision.
“Until now, refractive errors that are common following cataract surgery could only be corrected with glasses, contact lenses or refractive surgery,” said Malvina Eydelman, M.D., director of the Division of Ophthalmic, and Ear, Nose and Throat at the FDA’s Center for Devices and Radiological Health. “This system provides a new option for certain patients that allows the physician to make small adjustments to the implanted lens during several in-office procedures after the initial surgery to improve visual acuity without glasses.”
The RxSight IOL is made of a unique material that reacts to UV light, which is delivered by the Light Delivery Device, 17-21 days after surgery. Patients receive three or four light treatments over a period of 1-2 weeks, each lasting about 40-150 seconds, depending upon the amount of adjustment needed. The patient must wear special eyeglasses for UV protection from the time of the cataract surgery to the end of the light treatments to protect the new lens from UV light in the environment.
A clinical study of 600 patients was conducted to evaluate the safety and effectiveness of the RxSight Light Adjustable Lens and Light Delivery Device. Six months after the procedure, patients on average saw an improvement of about one additional line down the vision chart, for distance vision without glasses, compared to a conventional IOL. Six months after surgery, 75 percent also had a reduction in astigmatism.
The device is intended for patients who have astigmatism (in the cornea) before surgery and who do not have macular diseases.
The device should not be used in patients taking systemic medication that may increase sensitivity to UV light such as tetracycline, doxycycline, psoralens, amiodarone, phenothiazines, chloroquine, hydrochlorothiazide, hypercin, ketoprofen, piroxicam, lomefloxacin and methoxsalen. Treatment in patients taking such medications may lead to irreversible eye damage. The device is also contraindicated in cases where patients have a history of ocular herpes simplex virus.
The FDA approved the Vision Light Adjustable Lens and the Light Delivery Device to RxSight Inc.
The FDA, an agency within the U.S. Department of Health and Human Services, protects the public health by assuring the safety, effectiveness, security of human and veterinary drugs, vaccines and other biological products for human use, and medical devices. The agency is also responsible for the safety and security of our nation’s food supply, cosmetics, dietary supplements, products that give off electronic radiation, and for regulating tobacco products.
fda approved medical device 在 多益達人 林立英文 Facebook 的精選貼文
【時事英文】
Microchip Implants for Employees? One Company Says Yes
美國公司打算在員工體內植入晶片
At first blush, it sounds like the talk of a conspiracy theorist: a company implanting microchips under employees’ skin. But it’s not a conspiracy, and employees are lining up for the opportunity. 乍聽之下,這像是陰謀論者會談論的話題:一家公司在員工的皮膚下植入微 型晶片。但它並不是陰謀,而且員工們還排隊來等待這樣的一個機會。
On Aug. 1, employees at Three Square Market, a technology company in Wisconsin, can choose to have a chip the size of a grain of rice injected between their thumb and index finger. Once that is done, any task involving radio-frequency identification technology — swiping into the office building, paying for food in the cafeteria — can be accomplished with a wave of the hand. 在 8 月 1 日時,威斯康辛州科技公司 Three Square Market 的員工,就可以選擇 在自己的拇指和食指之間植入一枚米粒大小的晶片。一旦完成植入,任何涉及無 線射頻辨識技術的事情—開啟辦公大樓的門禁系統、在員工餐廳支付選購的食 物—都只要揮一揮手就可以完成了。
The program is not mandatory, but as of Monday, more than 50 out of 80 employees at Three Square’s headquarters in River Falls, Wisconsin, had volunteered. 這並非一個強制的計畫,但截至週一時間,該公司位於河瀑市總部的 80名員 工當中,已有超過 50 人自願報名。
The program — a partnership between Three Square Market and Swedish company Biohax International — is believed to be the first of its kind in the United States, but it has already been done at a Swedish company, Epicenter. It raises a variety of questions, both privacy- and health-related. 這項計畫—由Three Square Market和瑞典企業Biohax International合作實施— 被認為會在美國開啟同類項目的先河,不過瑞典公司 Epicenter 已經做過類似的事 情。它帶來了包含個人隱私及身體健康的種種問題。
“Companies often claim that these chips are secure and encrypted,” said Alessandro Acquisti, a professor of information technology and public policy at Carnegie Mellon University’s Heinz College. But “encrypted” is “a pretty vague term,” he said, “which could include anything from a truly secure product to something that is easily hackable.” 「企業常常宣稱這些晶片很安全,經過編碼,」卡內基梅隆大學(Carnegie Mellon University)海因茨學院(Heinz College)資訊科技與公共政策教授 Alessandro Acquisti 說。但「經過編碼」是「一個相當模糊的說法」 ,他說, 「所涉範圍甚廣, 既有真正安全的產品,也有很容易被入侵的東西」。
Another potential problem, Acquisti said, is that technology designed for one purpose may later be used for another. A microchip implanted today to allow for easy building access and payments could, in theory, be used later in more invasive ways: to track the length of employees’ bathroom or lunch breaks, for instance, without their consent or even their knowledge. Acquisti 說,另一個潛在的問題是,服務於某一個目的的技術,日後可能會被 用於另一個目的。理論上,今天被植入的讓人們得以更便捷地開啟門禁或付款的 微型晶片,將來也可以有更具侵入性的應用方式:例如,在員工沒有同意,甚至 並不知情的情況下,追蹤其去洗手間或午休所花的時間。
Todd Westby, chief executive of Three Square, emphasized that the chip’s capabilities were limited. “All it is is an RFID chip reader,” he said. “It’s not a GPS tracking device. It’s a passive device and can only give data when data’s requested.” Three Square Market 的 CEO,Todd Westby強調,晶片的功能是有限的。 「它只 不過是射頻辨識閱讀器晶片」 ,他說, 「而非 GPS追蹤設備。它是被動式設備,只 有在收到索取資料要求時才會提供資料」。
Health concerns are more difficult to assess. Implantable radio-frequency transponder systems were approved by the Food and Drug Administration in 2004 for medical uses. But in rare cases, according to the FDA, the implantation site may become infected, or the chip may migrate elsewhere in the body. 健康方面的擔憂更加難以評估。2004 年,美國食品與藥物管理局(Food and Drug Administration,簡稱 FDA)批准將可植入式射頻應答系統用於醫療目的。但 來自 FDA的資訊顯示,在極少數情況下,植入位置或許會發生感染,而且晶片還 有可能會遷移到身體的其他部位。
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fda approved medical device 在 DJ Macky Suson Youtube 的最佳貼文
I have done my Botox and Fillers Injection at ClearSK Aesthetics and it’s time for my final verdict.
Do I recommend them? Was it worth it?
Please check out this video.
You can also watch the entire consultation and procedure here:
https://youtu.be/UaSY12wxKhQ
Tag a friend who is looking for botox and fillers injection recommendations.
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Botox is a protein made from botulinum toxin that the bacterium Clostridium botulinum produces. This is the same toxin that causes botulism.
Botox is a toxin, but when people use it correctly and in small doses, it has a number of medical and cosmetic uses.
Botox injections are probably best known for reducing skin wrinkles. Botox can also help treat crossed eyes, eyelid spasms, excessive sweating, and some bladder disorders.
In this article, we will explain how Botox works, its uses, possible risks, and side effects.
Source: https://www.medicalnewstoday.com/articles/158647
Dermal fillers, also known as injectable implants, soft tissue fillers, or wrinkle fillers are medical device implants approved by the Food and Drug Administration (FDA) for use in helping to create a smoother and/or fuller appearance in the face, including nasolabial folds, cheeks and lips and for increasing the volume of the back of the hand.
Source: https://www.fda.gov/medical-devices/cosmetic-devices/dermal-fillers-soft-tissue-fillers#:~:text=Dermal%20fillers%2C%20also%20known%20as,lips%20and%20for%20increasing%20the
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fda approved medical device 在 FDA Regulation of Medical Devices (Part 1 of 3) - YouTube 的推薦與評價
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