An HSG cannula (hysterosalpingography cannula) is a specialized, biocompatible device designed to deliver contrast media or saline directly into the uterine cavity and fallopian tubes under fluoroscopic guidance. Commonly used in infertility workups and recurrent miscarriage evaluations, it facilitates precise assessment of tubal patency and uterine anatomy with minimal patient discomfort. The rigid metal trocar or flexible plastic catheter options ensure an effective seal at the cervical os, reducing contrast leakage and improving image quality.
Key Features & Benefits
Precision Tip Design: Sharp trocar or acorn‑tipped cannula ports allow smooth cervical entry and an airtight seal.
Radiopaque Markings: Enhance visualization of catheter depth on live X‑ray.
Flexible Shaft Options: Nylon or polyurethane tubing adapts to patient anatomy, minimizing trauma.
Luer‑Lock Fittings: Secure hub connections prevent accidental dislodgement and fluid backflow.
Multiple Sizes: Ranging from 5 Fr to 7 Fr to accommodate cervical stenosis (e.g., Margolin cannula for narrow os) .
Sterile, Single‑Use Packaging: Ensures infection control and rapid procedure turnaround.
Clinical Applications
Tubal Patency Testing: Identifies occlusions or partial blockages affecting fertility.
Uterine Cavity Evaluation: Detects septa, fibroids, or adhesions.
Post‑surgical Assessment: Confirms tubal reconstruction success or patency post‑ligation reversal.
Sonohysterography: Alternative use for saline infusion studies.
By integrating these elements, an HSG cannula page will rank effectively for reproductive imaging queries and provide practitioners with clear, actionable information.
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