Yankauer Suction
The Yankauer suction catheter is a rigid, wide-bore open-field suction device — the default suction instrument on essentially every open reconstructive urology and urogynecology tray. Named for Sidney Yankauer (1872–1932), the American otolaryngologist who designed it, the design has persisted for over a century because the rigid, bulb-tipped, wide-bore mechanic is hard to improve on for general operative suctioning.
Design
- Rigid plastic (or historical metal) tube
- Bulb-shaped distal tip with a large central opening and one or more smaller side holes — the bulb shape minimizes mucosal trauma while preserving suction
- Wide bore — high volumetric flow rate
- Standard wall-suction tubing connection
- Most disposable variants include a thumb-controlled vent port for intermittent suction regulation
- Single-use disposable is standard to reduce cross-contamination risk
Reconstructive / Functional Urology Uses
The Yankauer is the default open-field suction across the WARWIKI operative landscape:
- Open urethroplasty and perineal reconstruction — bulbar exposure with perineal Bookwalter, posterior anastomotic urethroplasty, perineal urethrostomy, RUF repair
- Open and laparoscopic abdominal reconstruction — cystectomy + diversion, augmentation cystoplasty, Mitrofanoff, fistula repair, Boari flap, ureteroureterostomy
- Vaginal reconstructive cases — VVF repair, anterior / posterior colporrhaphy, sacrocolpopexy, SSLF
- GAS / cosmetic genital surgery — vaginoplasty, phalloplasty, scrotoplasty
- Donor-site management — STSG / FTSG / BMG donor sites
For finer suction near the operative target (urethra, ureter, NVB, microsurgical anastomosis), switch to a Frazier tip; for high-volume abdominal evacuation, switch to a Poole multi-hole rigid sucker.
Performance — What the Data Show
Simulation studies consistently show the Yankauer outperforms standard soft suction catheters (e.g., 14 Fr) across fluids of varying viscosity, with ~ 50–100% higher suction rates for water and thin fluids.[1][2]
| Suction device | Performance characteristic | Source |
|---|---|---|
| Yankauer | Default; 50–100% faster than 14 Fr soft suction for water / thin fluids | Finke 2022; Nikolla 2021[1][2] |
| DuCanto large-bore catheter | ~ 20–30% faster than Yankauer across all viscosities | Finke 2022; Nikolla 2021[1][2] |
| ETT + meconium aspirator (ETTMA) | Suctioned 90 mL of blended food (high-particulate surrogate) before clogging; Yankauer clogged immediately in the same study | Kei 2017[3] |
The viscosity-clogging failure mode is the most important practical limitation: the Yankauer clogs on thick particulate material (semi-organized clot, dense secretions, tissue debris). For high-volume rapid bladder-clot evacuation through a catheter, see the Toomey syringe and Ellik evacuator workflows.
Limitations
- Clogs on thick / particulate material — organized clot, dense pus, tissue debris
- Rigid design — single-axis suction is good for the broad operative field but not for narrow deep-pelvic corridors (use Frazier)
- No vacuum control without the thumb-vent variant — constant suction can avulse delicate tissue if held against it
Yankauer vs Adjacent Suction Devices
| Device | Bore / tip | Best fit | Limitation |
|---|---|---|---|
| Yankauer | Wide-bore bulb tip | Default open-field operative suction | Clogs on thick particulate; rigid |
| Poole (Pool) suction | Wide-bore multi-hole rigid | High-volume abdominal evacuation | Bulky |
| Frazier suction | Fine tapered with thumb-vent | Delicate reconstructive fields, NVB, microsurgical | Low volumetric capacity |
| Toomey syringe | Manual irrigation-aspiration via catheter | Bladder MBW, catheter-coupled irrigation | Operator-power ceiling |
| Ellik evacuator | Manual bulb + gravity trap via cystoscope sheath | Bladder chip / clot evacuation during TUR | ~ 80–100 mmHg ceiling |
Bottom Line
The Yankauer remains the default open-field suction device across reconstructive urology and urogynecology — simple, available, adequately performing for the vast majority of operative suctioning needs. Awareness of its viscosity-clogging failure mode matters when the field accumulates semi-organized clot or dense tissue debris — escalate to a larger-bore alternative or a catheter-coupled approach.
See also: Poole Suction, Frazier Suction, Ellik Evacuator, Toomey Syringe.
References
1. Finke SR, Schroeder DC, Ecker H, et al. "Comparing suction rates of novel DuCanto catheter against Yankauer and standard suction catheter using liquids of different viscosity — a technical simulation." BMC Anesthesiol. 2022;22(1):285. doi:10.1186/s12871-022-01830-2
2. Nikolla DA, King B, Heslin A, Carlson JN. "Comparison of suction rates between a standard Yankauer, a commercial large-bore suction device, and a makeshift large-bore suction device." J Emerg Med. 2021;61(3):265–270. doi:10.1016/j.jemermed.2021.02.028
3. Kei J, Mebust DP. "Comparing the effectiveness of a novel suction set-up using an adult endotracheal tube connected to a meconium aspirator vs. a traditional Yankauer suction instrument." J Emerg Med. 2017;52(4):433–437. doi:10.1016/j.jemermed.2016.09.006