please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages this article is an orphan as no other articles link to it . please introduce links to this page from related articles ; try the find link tool for suggestions . may 2010 this article includes a list of references related reading or external links but its sources remain unclear because it lacks inline citations . please help to improve this article by introducing more precise citations . may 2010 learn how and when to remove this template message learn how and when to remove this template message samba sensors type private industry life science founded gothenburg sweden 1992 headquarters gothenburg sweden key people lennart nilsson ceo products ultra mini pressure sensors website www.sambasensors.com samba sensors is a developer and manufacturer of advanced fiber optic technology for pressure measurements . company expertise is focused on the design and development of ultra miniature pressure transducers and control systems primarily for applications in the life sciences . samba sensors collaborates closely with several leading medical research teams and companies throughout the world . the samba sensors measurement technology is applicable in basically all kinds of life science applications and is extremely accurate for measurements of physiological parameters like systolic blood pressure intravascular blood pressure and intracranial pressure during trauma . samba sensors are used in humans as well as in both small and large animal models but most commonly used for blood pressure in mouse and intracranial pressure icp in rat . contents 1 history 2 development and patents 3 references 4 external links history edit samba sensors ab was founded in 1992 to commercialize a novel pressure sensor developed at chalmers university of technology in gothenburg sweden . the original transducer was designed by prof. olof engstr m to measure pressure under the extreme conditions existing in the cylinders of volvo combustion engines . since 1998 company has continued to develop the generic technology with a focus on ultra miniature catheters for preclinical and clinical research . samba sensors ab entered bankruptcy in october 2012 in january 2013 its latest patent for pressure measurements in the human backbone was transferred to the canadian company fiso technologies inc. development and patents edit the samba transducer comprises a sensor element mounted on the tip of an optical fiber . the functional principle is that light passes through the fiber and is reflected in a cavity inside the sensor element . the height of the cavity is relative to the external pressure that the sensor element is being exposed to . when the pressure surrounding the sensor element is changing the reflected light signal will change . the samba control unit receives the reflected light signal and processes it to a readable pressure value . the transducer is physically designed as a pressure sensitive optical interferometer according to the fabry p rot principle . the sensor element is produced in silicon using microstructure processes originating from the semiconductor industry . the optical fiber is made of glass and has special coatings . the samba preclin transducer is an example of a moms micro optic mechanical system device . measurement of the surrounding static or dynamic pressure is possible in both gases and liquids . the samba technology is a patented solution for pressure measurement based on fiber optics . samba sensors quality management system is approved according to iso 9001 2000 and iso 13485 2003 and is adapted to comply with the u.s. food and drug administration fda regulations in the united states . references edit prof. olof engstr m chalmers university of technology a micro miniature sensor for in vivo pressure measurement samba sensors swedenbio handbook of optical fibre sensing technology biomaterials and cell therapy bioportfolio harvard apparatus specialized products for bioresearch samba sensors ab us patent assignee espacenet patent information bankruptcy status at swedish business catalogue allabolag.se external links edit official homepage retrieved from https en.wikipedia.org w index.php title samba sensors & oldid 733787884 categories companies of swedenhidden categories orphaned articles from may 2010all orphaned articlesarticles lacking in text citations from may 2010all articles lacking in text citationspages using infobox company with unsupported parameters navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage 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