Titan MAUDE adverse events - April 2026 updates - 20 point summary

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1. Tubing fracture/break near pump is the single most frequent failure mode, reported across dozens of cases.
   
2. Tubing leak without confirmed fracture accounts for a distinct subset of removals, often with full fluid loss noted.
   
3. Infection is the second most common cause of explant, consistently resulting in downgrade to a Genesis malleable prosthesis.
   
4. Incorrect sizing (oversized, undersized, or asymmetric cylinders) is a recurring surgical indication for revision, sometimes resolved with downsizing or RTE adjustment rather than full explant.
   
5. Pump malfunction as an isolated component failure — including stiffness, hydraulic failure, inability to inflate or deflate, and cracked pump housing — prompted pump-only replacement in multiple cases.
   
6. Pump tubing disconnection at strain relief was identified as a distinct failure point, with tubing separating from the caged connector rather than fracturing mid-span.
   
7. Reservoir displacement or malposition (wrong anatomical space, migration out of retropubic space, or backward placement by the surgeon) required repositioning or replacement without necessarily replacing the entire device.
   
8. Erosion or extrusion — cylinder or tubing eroding through scrotal or penile tissue — led to explant, sometimes combined with concurrent infection.
   
9. Auto-inflation (spontaneous device inflation without pump activation) prompted pump and reservoir replacement in at least two cases, attributed to hydraulic mechanism issues.
   
10. Failure to fully inflate with device remaining in situ and revision pending is documented in several events, indicating a clinically significant lag between symptom onset and surgical correction.
    
11. Cylinder crossover (proximal or distal, unilateral or bilateral) — cylinders migrating across the midline or out of the corpora — required surgical correction.
    
12. Aneurysmal defect in the corpora caused by cylinder oversizing or mechanical stress led to removal; intraoperative findings confirmed thinned corporal tissue and an opening at the aneurysm site.
    
13. Cylinder migration out of corporotomy with visible scrotal or suprapubic bulge and pain; in at least one case, cylinders were reinserted and corporotomies resecured without replacing the device.
    
14. Reservoir encapsulation/fibrosis prevented reservoir refill, requiring relocation to a new anatomical space without device exchange.
    
15. Pump malposition requiring repositioning — either too posterior causing clothing friction, or adhered to scrotal tissue with concern for early infection — managed with pump relocation and device retention.
    
16. Intraoperative surgical complications including corporal perforation, urethral damage, cylinder nicking, and improper connector seating necessitated immediate or early revision.
    
17. Reservoir rupture as an isolated component failure resulted in full system replacement; one reservoir was punctured iatrogenically during ER needle aspiration of a scrotal abscess.
    
18. Dexterity-based device exchange — patients with arthritis or inability to manipulate the Touch pump mechanism requested downgrade to Classic or malleable Genesis without any device malfunction.
    
19. Inadequate rigidity or loss of penile length post-implant, without confirmed mechanical failure, prompted either revision or was reported as an unresolved patient complaint.
    
20. Unspecified or unknown reason for explant comprises a non-trivial proportion of reports, reflecting incomplete clinical documentation at the time of MDR filing.