Epididymal Tubule Anastomosis
Epididymal Tubule Anastomosis - Related Videos
06:41
A Technique for Percutaneous Epididymal Spermatozoa Aspiration and Processing
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2026
Source:Li Xiaoming1, Liu Xiao1, Li Haiyang1, Cai Xiaohua1, Ou Jianping11Center for Reproductive Medicine, The Third Affiliated Hospital of Sun Yat-sen University.This video demonstrates the percutaneous aspiration of epididymal spermatozoa from a patient with azoospermia, a condition characterized by the absence of spermatozoa in the semen. The procedure involves disinfecting the scrotal area, aspirating epididymal fluid using a syringe with a specialized culture solution and processing the...
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Isolation of Primary Human Proximal Tubule Epithelial Cells and Their Use in Creating a Microphysiological Model of the Renal Proximal Tubule
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Cited by 3 •
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We present an optimized protocol for processing whole human kidneys to isolate and culture primary renal proximal tubule epithelial cells and the application of these cells in a three-dimensional, microfluidic, microphysiological platform to recapitulate the renal proximal tubule.
09:30
Phosphopeptide Analysis of Rodent Epididymal Spermatozoa
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Proteomic analysis of any cell type is highly dependent on both purity and pre-fractionation of the starting material in order to de-complexify the sample prior to liquid chromatography mass spectrometry (MS). By using back-flushing techniques, pure spermatozoa can be obtained from rodents. Following digestion, phosphopeptides can be enriched using TiO2.
04:25
Isolation of Immune Regulatory Sertoli Cells from Mouse Seminiferous Tubules
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2025
This video demonstrates the isolation procedure of Sertoli cells from mouse seminiferous tubules, a component of the testes. Enzymatic digestion and repeated washes promote the release of Sertoli cells into the solution, which can be cultured further for proliferation and growth.
05:11
Malpighian Tubule Dissection from an Adult Fly: Isolating an Osmoregulatory and Excretory Organ
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2023
This article describes the dissection of the anterior Malpighian tubules (MT) from a female Drosophila fly and an example protocol from Rossano et al. (2017) in which the MTs are prepared for live imaging in a perfusion chamber.
FAQs
The procedure creates an alternate passage around a blockage in the epididymal or vasal pathway. By directing sperm from a patent, sperm-containing epididymal tubule into the vas deferens, it reconnects sperm with the reproductive tract without requiring the obstructed segment to function. This restored continuity can make sperm recovery possible after surgery.
Selecting a tubule that contains sperm is essential because the connection must originate upstream from the obstruction and provide access to sperm for transport. High-magnification visualization helps the surgeon locate an appropriate tubule while limiting disruption to nearby delicate epididymal structures. This selection directly supports the goal of reestablishing usable sperm flow.
Magnification allows precise handling of the very small epididymal structures and helps the surgeon create a controlled opening in the selected tubule. Fine sutures then secure the tubule-to-vas connection with minimal disturbance to surrounding tissue. Together, these technical elements support preservation of the epididymis and the possibility of postoperative patency.
Epididymal Tubule Anastomosis is relevant when sperm transport is blocked in the epididymis or vas deferens, including obstruction associated with prior infection, surgery, or congenital absence of the vas deferens. Because the operation bypasses the obstructed route rather than relying on its restoration, the underlying cause helps explain why an alternate connection is considered.
The surgeon uses high-magnification instruments to identify a sperm-containing epididymal tubule, makes a precise opening, and joins that tubule to the vas deferens with fine sutures. The intended result is a continuous route into the reproductive tract while preserving delicate epididymal structures. These steps focus on both accurate connection and tissue preservation.
Clinicians may consider this microsurgical approach for obstructive azoospermia when epididymal or vasal blockage prevents sperm transport. The overview identifies prior infection, previous surgery, and congenital absence of the vas deferens among relevant settings. Its use is therefore tied to restoring transport in selected obstructive cases rather than treating every cause of absent sperm.
Two important outcomes are surgical patency and subsequent sperm recovery. Patency indicates that the reconstructed pathway remains open, while sperm recovery shows that sperm can again enter the reproductive tract. These results may support natural conception or provide sperm for assisted reproductive treatment, linking the microsurgical repair to broader fertility-management options.
Assessment centers on whether the reconstructed pathway remains patent and whether sperm can subsequently be recovered. These outcomes reflect different aspects of the repair: an open connection demonstrates transport continuity, while sperm recovery indicates functional benefit. Together, they help determine whether the procedure may contribute to natural conception or assisted reproductive treatment.