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Stethoscope made by Tarek Loubani via 3D printing. In 2015, Loubani designed a low-cost stethoscope which could be made for $2.50 using a 3D printer.He runs the Glia Project, which seeks to provide medical supplies to impoverished areas and has created designs for 3D printable surgical tools such as needle drivers and pulse oximeters.
A 3D-printed stethoscope is an open-source medical device meant for auscultation and manufactured via means of 3D printing. [31] The 3D stethoscope was developed by Dr. Tarek Loubani and a team of medical and technology specialists. The 3D-stethoscope was developed as part of the Glia project, and its design is open source from the outset.
3M currently produces the range of Littmann brand stethoscopes. [2] The 1960s-era Littman Cardiology 3 stethoscope, which is out of patent, became the basis of a 3D-printed stethoscope developed by Dr. Tarek Loubani and a team of medical and technology specialists as part of the open source Glia project. [3]
The glia to neuron-ratio in the cerebral cortex is 3.72 (60.84 billion glia (72%); 16.34 billion neurons), while that of the cerebellum is only 0.23 (16.04 billion glia; 69.03 billion neurons). The ratio in the cerebral cortex gray matter is 1.48, with 3.76 for the gray and white matter combined. [ 27 ]
Satellite glial cells, formerly called amphicytes, [1] are glial cells that cover the surface of neuron cell bodies in ganglia of the peripheral nervous system. Thus, they are found in sensory , sympathetic , and parasympathetic ganglia .
René-Théophile-Hyacinthe Laennec [a] (French:; 17 February 1781 – 13 August 1826) was a French physician and musician.His skill at carving his own wooden flutes led him to invent the stethoscope in 1816, while working at the Hôpital Necker. [1]