[Randomized controlled clinical trials of red-hot filiform needle puncturing for knee ostarthritis and inflammatory cytokines in knee articular fluid in senile knee ostarthritis patients].

Objective: To observe the effect of red-hot filiform needle puncturing on the pain severity of knee ostarthritis (OA) and the inflammatory cytokine levels in the knee articular cavity (KAC) fluid in senile knee OA patients so as to find a better therapy for knee OA.

Methods: A total of 200 senile knee OA outpatients (who signed an informed consent) were randomized into treatment group and control group (n = 100/group) according to a random number table and their visiting sequence. Futu (LI 18), Neixiyan (EX-LE 4), Yanglingquan (GB 34), Yinlingquan (SP 9), Zusanli (ST 36), etc.

[The development of fire-needle and the improvement of its application].

Based on the literature research on the development and application of fire-needle, the materials, the manufacturing process and application in clinic practices were studied. The major type, application and the representative experts of fire-needle in the contemporary era were summarized in this paper. The application fire-needle is more and more expanding in clinic practices, and the modern type of fire-needle should be promoted at present.

[Development and study of three-dimensional CT scanning system for dental cast measurement and analysis].

Objective: To develop a computer assisted CT scanning system for 3D dental cast measurement and to study its reliability.

Methods: 20 dental stone casts were scanned by helical CT and captured a series digital sliced radiographs of them. The program which was developed by Visual C 6.