TissueDB/Tissues/Bladder Neck

Bladder neck is the tissue where a urinary catheter meets the resistance of the internal urethral sphincter as it passes, and where the catheter balloon seats once it is inflated.^[1]

Materials

Material	Visual	Tactile	Simulator	Notes
Formlabs Grey Pro SLA resin — printed one-way valve body and threaded insert			Urinary Catheterization Simulator (Gillis)	The threaded insert and valve body were printed on a Formlabs Form 2 stereolithography printer in Grey Pro resin. The insert is glued into the bottom of the bladder and the valve body screwed into it, sealing against water leakage. Passing a catheter through the valve gives a slight resistance the authors describe as "representative of breaching the internal urethral sphincter on a real patient".^[1]

References

↑ ^1.0 ^1.1 Gillis CJ, Bishop N, Walsh G, Harvey D (2020). "Evaluation of a Novel 3D-Printed Urinary Catheterization Simulation Model in Undergraduate Medical Teaching." Cureus 12(5):e8377. DOI: 10.7759/cureus.8377. PMID: 32626621. License: CC BY 4.0.

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Created	August 10, 2026 by Arturo Pelayo
Last edit	August 10, 2026 by Arturo Pelayo
Cite as	Arturopelayo (2026). "TissueDB/Tissues/Bladder Neck". Appropedia. Retrieved August 12, 2026.
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[gillis2020-1] 1.0 ^1.1 Gillis CJ, Bishop N, Walsh G, Harvey D (2020). "Evaluation of a Novel 3D-Printed Urinary Catheterization Simulation Model in Undergraduate Medical Teaching." Cureus 12(5):e8377. DOI: 10.7759/cureus.8377. PMID: 32626621. License: CC BY 4.0.

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