Tension-free inguinal hernia repair patch for endoscope and design method of tension-free inguinal hernia repair patch

Abstract

The invention relates to an auxiliary technology of inguinal hernia tension-free repair for an endoscope, in particular to an inguinal hernia tension-free repair patch for the endoscope and a design method of the inguinal hernia tension-free repair patch. The method comprises the steps that a plurality of anatomical points within the range of a muscular pubis hole and reflecting the space structure of the muscular pubis hole are determined; the observation index of the muscular pubis hole space structure is researched; the positioning of anatomical points of the muscular pubis hole space structure is researched; carrying out three-dimensional reconstruction on a muscle pubis hole space structure, carrying out three-dimensional positioning on an anatomical point, and carrying out quantitative analysis on the size and the three-dimensional structure of the muscle pubis hole; calculating the space distance between the anatomical points of the muscular pubis hole and the space angle of the corresponding space surface, and obtaining the length range of the intersecting edges of a plurality of anatomical planes of the muscular pubis hole, the space angle range of the vertex angle of each anatomical plane and the dihedral angle range between the anatomical planes; and designing specific parameters of the patch by using a parametric modeling technology. Different patch models can be manufactured according to different hernia types, and the patch can be effectively prevented from shifting in an operation.

Description

technical field [0001] The invention relates to a tension-free repair patch for inguinal hernia for laparoscopy based on quantitative description of the space structure of the myopubic foramen, in particular to a tension-free repair patch for inguinal hernia for laparoscopy and a design method thereof. Background technique [0002] Inguinal hernia repair is one of the most common procedures in the world, performed by more than 20 million people each year. While most cases are successful, 10-15% of recurrent cases require reoperation, and 10-12% of patients have long-term disability due to chronic pain (pain lasting more than 3 months), approximately 1-3% of these patients have severe chronic pain. [0003] The musculopubic foramen is approximately quadrilateral with four borders: upper, lower, inner and outer. It is an area without muscle and weak collagen fibers in the groin. The upper bound is the muscles of the anterolateral abdominal wall, including the external obliqu...

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