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工業技術研究院

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技術名稱: 腦部出血監測輔助裝置

技術簡介

本技術應用近紅外光光譜術,可以量測組織表面下數毫米至數公分的血流動力反應數。在血液中含氧血紅素與去氧血紅素,二者在600到900 nm的光譜範圍中擁有截然不同的吸收光譜,因此可以利用此光學方法得到血氧相關參數總量血紅素濃度與血氧飽和度。近紅外光的量測系統中,光子由光源在特定位置入射組織,並由另一組織表面的位置來偵測散色光強度。以適當的光學探頭設計,以貼片形式放置於待側處,即可藉由區域血氧濃度資訊,判斷是否有出血的情況發生。而在急診室,常需要第一時間篩選傷重病患、尤其是在顳葉處,特別脆弱容易因碰撞造成出血,以光學非侵入的量測方式,是一個快速解決的工具。

Abstract

This acute hemorrhage monitor technique is based on the near-infrared spectroscopy, NIRS, which can measure the hemodynamic coefficient several centimeters under the tissue surface. This basic idea of NIRS is to measure the absorption spectra between 600nm to 900nm of oxy-hemoglobin ( HbO2) and deoxy-hemoglobin (Hb) which have quite different feature. By analyzing the absorption spectrum of a blood, we can calculate the total hemoglobin concentration and blood oxygen saturation level. In the measurement system, photos from the light source incident into tissue and are detected by the photo detector placed in the other position. By proper source-detector distance design, we can detect the hemorrhage in certain depth. The optical probe is designed as a pad shape and can be placed on the detecting region.

技術規格

腦部出血監測輔助裝置(頭戴式設計): 1.量測範圍:橫向4公分、深度2.5公分 2.光源:780nm、808nm、850nm 3.輸出功率:5mW 功能驗證平台: 1.出血量:0.5cc/ 2.5cc/ 5cc 2.出血深度:0.5/ 1.7/ 2.5公分

Technical Specification

Function: Tissue hemorrhage detection (more than 4cc in volume ) Measurement range: 4cm lateral, 2.5cm axial (depth) Light source: LD (808、780、850nm) Detector: InGaAs photodiodes 3 pieces

技術特色

以NIRS技術提供待測部位不同深度之血氧濃度資訊,裝置以穿透人體深度最佳之近紅外光波段,配合近紅外光光譜術量測顱內出血之部位,該產品有空間解析與頻譜解析之功能,可以量測顱內不同深度以及不同血氧濃度之變化。 該產品將設計為頭戴式多通道探頭,主機為手持式含可連續監控之軟體,並配合動態量測之功能,以提升系統準確度,此特性與目前國外單通道、非頭戴式之單一時間測量產品不同,同時保持價格之競爭優勢,真正可以符合臨床需求。並且可以將運用市場由急診擴大到救護車、軍隊、運動場甚至是老年以及幼兒之居家照護使用。目前通過FDA認證的有幾家產品,其中僅Infrascan具有腦部出血偵測的功能,其他類似技術的產品,均為量測組織血氧濃度之用,根據臨床的需求,與技術、元件相似處之考量,我們設計產品為可以同時量測出血與組織血氧濃度之功能。

應用範圍

本產品主要客戶包含及國內、外醫療單位(大型醫院及小型診所)之急診處、ICU以及救護車使用全台主機需求約有500台,所使用的無菌保護套耗材100萬件。未來也可將產品推廣遠端照護、居家照護、養護機構、老人社區,應用於未來老年潮趨勢。

接受技術者具備基礎建議(設備)

光電系統製造與量測

接受技術者具備基礎建議(專業)

醫療裝置開發

技術分類 醫療電子

聯絡資訊

聯絡人:張時明 生醫資電技術組(0M000)

電話:+886-3-5912460 或 Email:sming@itri.org.tw

客服專線:+886-800-45-8899

傳真:+886-3-5912444

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