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Evaluation of the accuracy of the therapeutic dose field of a cable intracavitary gamma-therapeutic apparatus

  • Research, Design, and Technology
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Biomedical Engineering Aims and scope

Conclusions

1. The numerical experiment showed that a cable conveyor of the given design satisfies medical requirements with respect to the accuracy of forming the therapeutic dose, since the error of setting the source in position does not exceed the permissible limit.

2. The error can be reduced further by using cables of greater flexural rigidity (GOST 3067-74, d > 3.1 mm) and endostats with a smoother inside surface, and also by reducing the working length of the cable.

3. The linear dimensions of the source have no effect on the value of the error due to positioning.

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Literature cited

  1. N. M. Belyaev, Strength of Materials [in Russian], Moscow (1962).

  2. E. E. Zakharova, B. V. Makarov, and N. K. Sharonov, Estimation of the error of the dose formed from a linear source in the multiposition method of its movement [in Russian], Deposited at VINITI, No. 6008 B88, Moscow (1987).

  3. Yu. N. Rabotnov, Mechanics of a Deformable Solid [in Russian], Moscow (1988).

  4. S. T. Sergeev, Steel Cables [in Russian], Kiev (1974).

  5. G. Herrman, Appl. Mech. Rev.,20, No. 2 (1967).

  6. R. L. Huston and J. W. Kamman, Validation of Finite Segment Cable Models: Computers and Structures, Great Britain (1982).

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Authors
  1. E. E. Zakharova
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  2. P. S. Krasil'nikov
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  3. B. V. Makarov
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Additional information

S. Ordzhonikidze Moscow Aviation Institute. Translated from Meditsinskaya Tekhnika, No. 3, pp. 5–9, May–June, 1990.

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Zakharova, E.E., Krasil'nikov, P.S. & Makarov, B.V. Evaluation of the accuracy of the therapeutic dose field of a cable intracavitary gamma-therapeutic apparatus. Biomed Eng 24, 93–97 (1990). https://doi.org/10.1007/BF00573061

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  • DOI: https://doi.org/10.1007/BF00573061

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