Small medical devices and their materials research and development attract attention

Release date: 2009-07-09



Minimally invasive, convenient and small medical devices are undoubtedly the three major trends in the field of medical device research and development. Recently, some well-known foreign companies and research institutions have developed small medical devices for specific patient groups and therapeutic purposes. The following are some of the research progress.

Philips launched
Minimal transesophageal TEE sensor
A few days ago, Philips exhibited the world's smallest transesophageal echocardiography (TEE) sensor "microTEE" developed by the company at the American Society of Echocardiography (ASE). The device can be used for neonatal cardiac imaging.

According to reports, the sensor is part of Philips' latest iE33 intelligent echocardiography system. The microTEE sensor is about one-third the size of a previous pediatric esophageal sensor, allowing doctors to perform transesophageal echocardiography on the youngest patient and obtain images during interventional therapy.

Dr. Girish Shirali, Director of Pediatric Echocardiography, Children's Hospital, University of South Carolina, USA, said: "The design of microTEE probes is an important advance in neonatal and infant cardiac imaging. It allows the youngest patients to perform in vivo like other adults. Imaging."

Developed in Switzerland
Minimal autoinjector
According to a report by Ruitong News Agency on June 26, researchers at the Federal University of Technology in Zurich, Switzerland, have developed the world's smallest autoinjector with a needle diameter of only one-fifth of the hair, which can be invaded without damaging the cells. Injection of drugs or deoxyribonucleic acid (DNA).

Researchers at the ETH Zurich said that this nanoscale autoinjector is an important advance in biological and pharmacological research, and it has broad application prospects in the fields of medicine, chemistry and materials science.

Development
Miniature fluorescent beads that detect blood sugar

A few days ago, the research team at the University of Tokyo in Japan developed a miniature fluorescent bead that changes in luminescence intensity with changes in blood glucose levels, which can be used to make blood glucose meters.

According to recent reports from the Japanese media, the polymer fluorescent substance developed by researchers at the Institute of Production Technology of the University of Tokyo, when combined with glucose, emits green fluorescence under ultraviolet light. The researchers mixed the fluorescent material into a gelatinous substance, processed it into fluorescent beads with a diameter of 0.1 mm, and performed animal experiments.

Researchers say that people with diabetes usually have to collect blood every day to measure blood sugar levels. The use of newly developed micro-fluorescent beads to manufacture blood glucose meters is expected to allow patients to make measurements at any time without burdening the body.

The researchers plan to continue to improve the performance of the micro-fluorescent beads and test their safety, and strive to put the micro-fluorescent beads into the practical stage after 10 to 15 years. (China Medical News)

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