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U.S. Department of Health and Human Services

TPLC - Total Product Life Cycle

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Device implant, eye valve
Regulation Description Aqueous shunt.
Product CodeKYF
Regulation Number 886.3920
Device Class 2


Premarket Reviews
ManufacturerDecision
GLAUKOS CORPORATION
  SUBSTANTIALLY EQUIVALENT 1
NEW WORLD MEDICAL, INC.
  SUBSTANTIALLY EQUIVALENT 2

MDR Year MDR Reports MDR Events
2020 437 437
2021 412 412
2022 299 787
2023 314 314
2024 334 364
2025 64 64

Device Problems MDRs with this Device Problem Events in those MDRs
Adverse Event Without Identified Device or Use Problem 834 1211
Physical Resistance/Sticking 251 251
Complete Blockage 210 213
Device Appears to Trigger Rejection 99 99
Migration 95 95
Mechanical Jam 50 50
Malposition of Device 50 172
Fracture 50 50
Appropriate Term/Code Not Available 41 51
Device Dislodged or Dislocated 38 161
Material Twisted/Bent 38 38
Obstruction of Flow 27 27
Break 24 32
Failure to Eject 19 19
Off-Label Use 14 14
Retraction Problem 14 14
Improper or Incorrect Procedure or Method 12 12
Dull, Blunt 11 11
Partial Blockage 10 10
Defective Device 9 9
Failure to Deliver 9 9
Infusion or Flow Problem 7 7
Activation, Positioning or Separation Problem 5 5
Material Deformation 5 5
Positioning Failure 5 5
Failure to Advance 4 4
No Apparent Adverse Event 4 4
Delivered as Unsterile Product 4 4
Use of Device Problem 4 4
Separation Failure 4 4
Positioning Problem 3 3
Patient-Device Incompatibility 3 3
Activation Problem 3 3
No Flow 3 3
Difficult to Insert 2 2
Device Difficult to Setup or Prepare 2 10
Difficult to Remove 2 2
Contamination 2 2
Defective Component 2 2
Insufficient Information 2 2
Device Contamination with Chemical or Other Material 2 2
Unintended Movement 2 2
Filtration Problem 2 2
Migration or Expulsion of Device 2 2
Material Fragmentation 1 1
Ejection Problem 1 1
Therapeutic or Diagnostic Output Failure 1 1
Material Discolored 1 1
Unintended Ejection 1 1
Excess Flow or Over-Infusion 1 1

Patient Problems MDRs with this Patient Problem Events in those MDRs
Intraocular Pressure Increased 449 701
No Clinical Signs, Symptoms or Conditions 372 381
Eye Injury 280 410
Intraocular Pressure Decreased 209 217
Erosion 136 136
Endophthalmitis 131 133
Loss of Vision 115 239
Appropriate Clinical Signs, Symptoms, Conditions Term / Code Not Available 103 107
Visual Impairment 100 104
Hyphema 90 215
Insufficient Information 69 69
Failure of Implant 52 52
No Consequences Or Impact To Patient 52 52
Fibrosis 51 51
Glaucoma 51 51
Hemorrhage/Bleeding 50 50
Intraocular Pressure, Delayed, Uncontrolled 44 44
Corneal Edema 43 43
Corneal Stromal Edema 39 44
Macular Edema 38 38
Uveitis 36 158
Retinal Detachment 34 37
Inflammation 32 155
Vitreous Hemorrhage 31 31
Corneal Decompensation 31 31
Intraocular Infection 30 30
Therapeutic Response, Decreased 27 27
No Code Available 24 24
Cataract 23 145
Blurred Vision 23 23
Keratitis 22 22
Fluid Discharge 21 21
Wound Dehiscence 20 20
Pain 18 18
Iritis 18 140
Eye Infections 16 16
No Known Impact Or Consequence To Patient 16 16
Foreign Body In Patient 15 137
Adhesion(s) 14 136
Eye Pain 13 13
Hyperemia 12 12
Corneal Abrasion 11 11
Corneal Touch 10 10
Corneal Clouding/Hazing 10 10
Corneal Ulcer 9 9
Perforation 8 8
No Patient Involvement 7 7
Collapse 7 7
Discomfort 6 6
Unspecified Eye / Vision Problem 6 10

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