The ClearPath Catheter: A Deep Dive into the Tech

The ClearPath Catheter: A Deep Dive into the Tech

If you have been researching options for nasal obstruction, this article focuses on the ClearPath Nasal Balloon (CNB) catheter and how its design aims to support a controlled, potentially less invasive approach to septal correction in appropriately selected patients. [4][5][6]

We cover what balloon dilation means, how the catheter’s safety-oriented features work, and what early outcomes research (retrospective data with a small imaging subgroup) reports about symptom and alignment changes. Sources include device documents, a design figure, a published outcomes review, and background on another “ClearPath” device used in glaucoma care. [1][2][3][4][5][6]

What is the ClearPath catheter and how does it work?

The ClearPath Nasal Balloon (CNB) catheter is a thin, catheter-based device placed inside the nose during a procedure. It uses balloon-assisted technology to apply controlled, measurable pressure that aims to improve airflow by helping address septal deviation in a targeted way for selected patients. [4][5]

The working end includes a balloon on one side and a protective “spatula” surface on the other, intended to help shield nearby nasal structures during dilation. Think of it as nudging a misaligned divider back toward center with guided, directional pressure, while a built-in “backboard” helps protect what should not be pushed. [4][5]

In short: a catheter with a directional balloon and a protective surface designed to deliver controlled, targeted pressure.

What “ClearPath Technology” Means (and Why It Can Be Confusing)

Here, “ClearPath” refers to a nasal dilation catheter used in ENT care: the ClearPath Nasal Balloon (CNB) catheter. [4]

There is also an ophthalmology device with a similar name: the Ahmed ClearPath ST, a non-valved glaucoma drainage device with features like a reduced inner tube lumen, a pre-threaded suture, and two plate sizes (250 mm² and 350 mm²). That eye device is unrelated to nasal obstruction. [1][2][3]

The bigger theme across tools is precision over aggressiveness—directing force exactly where needed while aiming to reduce unnecessary disruption of surrounding tissue. [4][5]

In short: targeted, measured change rather than broad, aggressive force.

What Is the ClearPath Nasal Balloon (CNB) Catheter?

Basic idea: the CNB is designed to support a potential minimally invasive alternative in selected patients, potentially reducing how much traditional cutting and tissue removal are required in some cases. During the procedure, the balloon is inflated in a controlled way to help mobilize and potentially improve septal alignment and the airflow pathway. See device overview and specifications at: https://www.clearpathnasal.com/product/clearpath-nasal-balloon-catheter-cnb [4]

A practical way to think about balloon assistance is standardization: rather than relying only on manual force, the clinician uses a tool designed to deliver pressure in a measurable, repeatable way. That does not make the procedure automatic, but it can make the mechanical step more consistent. [4][5]

Who it is generally for (high-level, non-prescriptive): people with symptoms suggestive of structural nasal obstruction, such as ongoing congestion that does not match allergy patterns, trouble breathing through one side, or a sense of blockage that may worsen with exercise or sleep. Only an ENT clinician can determine candidacy based on exam, anatomy, symptoms, goals, and sometimes imaging.

A simple example: if someone breathes better when pulling the cheek to the side or consistently feels more blocked on one side regardless of season, an ENT may look more closely for structural contributors—though symptoms alone cannot diagnose the cause.

In short: the CNB is intended to help selected patients via controlled, directional support of septal repositioning.

A Closer Look at the Device Design (Balloon + Spatula)

Balloon side—controlled dilation: medical balloons can apply steady, evenly distributed pressure that is measurable, repeatable, and gradual, aiming for guided repositioning rather than brute force. The concept is not more pressure; it is more controlled pressure. [4][5]

Spatula side—built-in protection: opposite the balloon is a spatula-like surface intended to help shield the nasal sidewall during dilation, reducing unintended contact and limiting risk to adjacent tissue. [4][5]

Why directional force matters: force-directed dilation focuses pressure exactly where intended so that desired structures move while nearby tissue remains protected. For more on the protective concept: https://www.clearpathnasal.com/blog/how-clearpath-protects-the-nasal-sidewall and on force direction: https://www.clearpathnasal.com/blog/how-force-directed-dilation-changes-the-game

In short: measured force plus built-in protection to focus change where it is intended.

How the ClearPath Catheter Fits Into a Minimally Invasive Septal Procedure

1) Evaluation: history, symptom review, and nasal exam (often with endoscopy); imaging may be considered depending on the situation.

2) Preparation: comfort measures are individualized; many minimally invasive nasal procedures are designed with in-office care in mind, but setting and anesthesia vary.

3) Device placement: the clinician positions the ClearPath catheter to target the area contributing most to obstruction.

4) Controlled dilation: the balloon is inflated in a controlled manner to apply directed force while the protective side helps shield nearby structures. [4][5]

5) Re-check: the clinician reassesses alignment and the airflow pathway. For a detailed walkthrough: https://www.clearpathnasal.com/blog/how-the-clearpath-nasal-balloon-works-a-step-by-step-guide

What patients often care about: setting (office vs OR) depends on anatomy and other factors; comfort typically involves local anesthesia and other strategies; recovery aims to reduce downtime, but swelling and healing timelines vary. Minimally invasive does not mean no recovery.

In short: target correction while minimizing collateral tissue disruption where appropriate.

What the Research Says (Outcomes Patients Can Understand)

One published retrospective review evaluated outcomes of force-directed balloon-assisted endoscopic septoplasty using a new technique and device approach. This was not a randomized trial; findings reflect a single retrospective cohort, with an imaging subset. [6]

Study size and measures: 107 consecutive cases were reviewed; 23 had pre/post CT scans for objective measurement; 43 completed SNOT-22 symptom surveys, which capture perceived burden such as congestion, sleep disruption, and facial pressure. [6]

CT alignment changes: in the imaging subgroup, septal symmetry improved on average by 22% at the nasolacrimal duct (NLD) level and 45% at the point of maximal deviation (PMD). [6]

Symptom changes: among survey respondents, average SNOT-22 scores improved from 58.7 to 44.8 at one month—about a 23.8% reduction. The largest reported improvements were in nasal congestion, headache/facial pressure, and sleep quality. [6]

Safety signals: no major intra- or post-operative complications were reported in this series, including no septal perforation, hematoma, mucosal injury, infection, synechiae, or conversion to traditional septoplasty; observations are specific to this cohort and do not establish overall safety or efficacy. [6]

Results by severity: in the CT subgroup, those with more severe deviation (>10 mm) showed the largest proportional correction; 18 of 23 (78%) achieved at least 30% improvement in alignment on imaging. [6]

In short: early retrospective data suggest potential improvements in alignment and symptoms for selected patients, but higher-level studies are needed to define effectiveness and safety more broadly.

Common Questions About the ClearPath Catheter (Patient FAQ)

Is this the same as traditional septoplasty?

Not exactly. Traditional septoplasty often involves incisions and reshaping or removing portions of cartilage or bone. A catheter-based, balloon-assisted approach using the ClearPath catheter is intended to support controlled repositioning or dilation in selected cases. Traditional septoplasty is often reconstructive, while balloon-assisted approaches are often repositioning-focused; some patients may be candidates for one, the other, or a combination strategy.

Will I still need CT imaging?

Maybe. Some patients may not need CT imaging; others may benefit from it based on symptoms, exam findings, surgical planning needs, or related sinus concerns. Your clinician will recommend what is appropriate.

Does “minimally invasive” mean “no risks”?

No. All medical procedures carry risk. The key is understanding which risks apply to your specific anatomy and health history, and how your clinician plans to reduce them.

Takeaway: Why the ClearPath Catheter Tech Matters

The ClearPath catheter emphasizes precision and protection: a balloon for controlled dilation plus a spatula surface intended to help shield adjacent nasal structures during targeted correction. Used in balloon-assisted approaches (including force-directed dilation), the goal is to support meaningful airflow improvement with a potentially less invasive strategy for appropriate patients. [4][5][6]

If you are exploring options for nasal obstruction, an ENT evaluation can help determine what may be appropriate for your individual assessment.

In short: ClearPath’s design is intended to deliver directional force with built-in protection for carefully selected cases.

References

[1] New World Medical. Ahmed ClearPath (product page). https://www.newworldmedical.com/product/ahmed-clearpath/

[2] Ophthalmology Times. New World Medical launches non-valved glaucoma drainage device Ahmed ClearPath ST. https://www.ophthalmologytimes.com/view/new-world-medical-launches-non-valved-glaucoma-drainage-device-ahmed-clearpath-st

[3] Dove Press. Novel non-valved glaucoma drainage device with reduced inner lumen diameter (OPTH). https://www.dovepress.com/novel-non-valved-glaucoma-drainage-device-with-reduced-inner-lumen-dia-peer-reviewed-fulltext-article-OPTH

[4] ClearPath Nasal. Documents (2026). https://www.clearpathnasal.com/documents

[5] ResearchGate. ClearPath nasal dilation system figure (balloon + spatula design) (accessed 2026). https://www.researchgate.net/figure/ClearPath-nasal-dilation-system-The-working-end-has-a-balloon-on-one-side-and-a-spatula_fig5_356137923

[6] Dillard J, Koudouovoh C, Lee V, et al. Outcomes of force-directed balloon-assisted endoscopic septoplasty: a retrospective analysis with a new technique and device. Rhinology Online. 2026;9:18–23. doi:10.4193/RHINOL/25.018

This article is for educational purposes only and is not medical advice. Please consult a qualified healthcare provider for diagnosis and treatment.