Method for determining the extensibility of selected non-excised tissue of the uterine cervix, ear or skin
Patent 4432376 Issued on February 21, 1984. Estimated Expiration Date: 
February 21, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 21, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2924220 3008239 3416363 3768459 Apparatus for testing material strength Skin fold caliper Cervical dilation measurement instruments Instrument and method of measuring dilatation of cervix uteri Skin-fold caliper Method of and apparatus for the measurement of at least one mechanical property of an elastic material InventorApplicationNo. 06/230369 filed on 01/30/1980US Classes:600/587, Measuring anatomical characteristic or force applied to or exerted by body33/784, Digital indicator600/591, Vagina or uterus73/823Residual deformation (e.g., consolidation)ExaminersPrimary: Rosenbaum, C. FredAssistant: Kruter, J. L. Attorney, Agent or FirmInternational ClassesA61B 5/22 (20060101)G01N 3/08 (20060101) G01N 3/00 (20060101) AbstractA method for determining the extensibility of selected non-excised tissue of the uterine cervix, ear or skin by:(a) positioning the tissue between two force transmitting members, applying a varying compressive force to the tissue through the force transmitting members, measuring the force applied and the displacement of the non-excised tissue resulting from said force, and calculating the modulus of extensibility curve of the tissue, or(b) positioning the tissue between two force transmitting members, applying a constant compressive force to the tissue through the force transmitting members, measuring the displacement of the tissue resulting from the application of the force, and continuously monitoring the changes in the displacement of the tissue over a period of time to determine the changes in the extensibility of the tissue while the constant force is applied.Other References
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