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Monitoring the setting of injectable calcium-based bone cements using pulse-echo ultrasound
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-6216-6132
Polytechnical University of Catalonia, Barcelona.
Polytechnical University of Catalonia, Barcelona.
Polytechnical University of Catalonia, Barcelona.
2002 (engelsk)Inngår i: Proceedings: 2002 IEEE Ultrasonics Symposium : October 8 - 11, 2002, Forum Hotel, Munich, Germany ; an international symposium / [ed] Donald E. Yuhas, Piscataway, NJ: IEEE Communications Society, 2002, s. 1293-1296Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The existing standards for determining the setting time of injectable bone substitutes suffers from poor reproducibility and subjectivity. We previously presented an ultrasonic pulse-echo technique that can follow the entire setting reaction on-line, without any mechanical manipulation of the sample. For calcium sulfate hemihydrate (CSH), the new method shows good agreement with the standards, but with much better reproducibility. One problem with the new technique was its sensitivity to temperature fluctuations. In this paper we present a temperature compensation scheme that automatically corrects the measurements for losses caused by temperature changes. The modified method is verified with experiments on /spl alpha/-tricalcium phosphate (/spl alpha/-TCP). Because /spl alpha/-TCP has longer setting time than CSH, the initial method, which is sensitive to temperature, did not work.

sted, utgiver, år, opplag, sider
Piscataway, NJ: IEEE Communications Society, 2002. s. 1293-1296
HSV kategori
Forskningsprogram
Signalbehandling
Identifikatorer
URN: urn:nbn:se:ltu:diva-39266DOI: 10.1109/ULTSYM.2002.1192531Lokal ID: dee7b850-6390-11db-8cbe-000ea68e967bISBN: 0-7803-7582-3 (tryckt)OAI: oai:DiVA.org:ltu-39266DiVA, id: diva2:1012776
Konferanse
IEEE Ultrasonics Symposium : 08/10/2002 - 11/10/2002
Merknad
Godkänd; 2002; 20061024 (ysko)Tilgjengelig fra: 2016-10-03 Laget: 2016-10-03 Sist oppdatert: 2017-11-25bibliografisk kontrollert

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