Description
The SR2B is a single‑use anorectal expulsion balloon catheter for Balloon Expulsion Test (BET), rectal balloon therapy, and anorectal manometry using air or water. It helps GI motility labs and pelvic floor therapists standardize testing in patients with chronic constipation, dyssynergic defecation, fecal incontinence, and other defecatory disorders.
Key features and benefits
- Flexible air or water inflation so you can follow either air‑based or water‑based BET and rectal balloon therapy protocols with a single catheter.
- Non‑latex, non‑DEHP balloon with up to 400 mL capacity and printed volume marks to standardize inflation and reduce the risk of over‑distension or mucosal trauma.
- Single‑use, EO‑sterile design that removes reprocessing steps and supports infection‑control policies in motility labs and pelvic floor clinics.
- Specially designed flexible tubing and clear markings for easy placement and more consistent positioning across operators and visits.
- Works with solid‑state or water‑perfused motility systems using standard syringes and stopcocks (sold separately), fitting smoothly into existing lab setups.
Clinical indications and use cases
Typical patients include adults with chronic constipation, suspected dyssynergic defecation, pelvic floor dysfunction, or fecal incontinence referred for anorectal manometry or biofeedback‑based rectal balloon training.
- Balloon Expulsion Test to assess whether patients can expel a simulated stool, helping identify outlet obstruction and dyssynergic defecation.
- Rectal balloon therapy and biofeedback for defecation training, sensory training, and urge‑resistance or coordination programs in fecal incontinence.
- Anorectal manometry and rectal compliance testing where controlled inflation volumes with air or water are needed to guide treatment decisions.
- Pelvic floor physical therapy programs that integrate rectal balloon work as a first‑line or adjunctive tool in pelvic floor dysfunction.
How the SR2B is used
In a standard BET, the lubricated SR2B is inserted into the rectum, the balloon is inflated with a set volume of air or water (often around 30–60 mL), and the patient is asked to expel the balloon while you record the time and symptoms. This simulates a bowel movement and helps determine whether the patient has difficulty evacuating stool.
How SR2B compares to other catheters
- SR1B: Single‑use catheter for air‑only protocols, used for BET and related anorectal procedures.
- SR2B: Single‑use catheter that offers the same 400 mL balloon volume as SR1B but allows either air or water inflation, giving labs more flexibility.
- CR1B: Reusable air‑only catheter that requires cleaning and reprocessing (up to 50 times) between patients according to IFU.
Choose SR2B when you want the convenience of single‑use plus the option to run either air‑based or water‑based BET and rectal balloon therapy across different programs and sites.
Technical specifications
| Parameter | SR2B specification |
|---|---|
| Intended use | Single‑use PVC manometric catheter for Balloon Expulsion Test, rectal balloon therapy, anorectal manometry, and rectal compliance testing. |
| Inflation medium | Balloon can be used with air or water, commonly 30–60 mL during BET or rectal balloon training as per protocol. |
| Balloon material | Medical‑grade PVC, non‑latex, non‑DEHP 400 mL balloon. |
| Balloon capacity | Up to 400 mL volume with printed volume marks to guide standardized inflation. |
| Tubing design | Flexible tubing engineered for patient comfort and easy handling during rectal balloon procedures. |
| Placement markings | Length markings to support consistent balloon positioning in the rectum. |
| Sterility and use | EO‑sterile, single‑patient use only; do not re‑sterilize or reuse. |
| System compatibility | Can be used with solid‑state or water‑perfused motility systems with compatible syringes and stopcocks (not included). |
Ordering information
- Product code: SR2B – Anorectal Expulsion Balloon Catheter, air or water, single‑use PVC manometric catheter.
- Packaging: 10 catheters per box.
- Related products: SR1B (single‑use, air only), CR1B (reusable, air only) – see related product pages for full details.
Regulatory and safety information
- Designed for single use in appropriately trained clinical settings to support anorectal balloon expulsion and motility testing.
- Follow institutional protocols and the Instructions for Use, and discard the catheter after each procedure according to local regulations for contaminated medical waste.
FAQs
What is the SR2B used for?
The SR2B is used for Balloon Expulsion Test, rectal balloon therapy, anorectal manometry, and rectal compliance studies in patients with suspected defecatory disorders or pelvic floor dysfunction.
Can the SR2B be used with both air and water?
Yes, the SR2B balloon can be filled with either air or water, typically around 30–60 mL depending on your protocol, so you can match your preferred equipment and lab workflow.
Is the SR2B catheter single‑use?
Yes, the SR2B is a single‑use, EO‑sterile catheter and must be discarded after each patient; it is not intended to be reprocessed or re‑sterilized.
Call to action
Ready to add the SR2B Anorectal Expulsion Balloon Catheter to your GI motility or pelvic floor therapy program?




