- LAA (left atrial appendage)
- LAA Exclusion System with preloaded Gillinov-Cosgrove Clip, AtriClip, AtriCure
- LAAC (left atrial appendage closure)
- LAP-BAND AP, Adjustable Gastric Banding System with OMNIFORM Design, Apollo E.
- Large Cell Stent fra M.I.Teck
- Laryngetomy Tube, Portex, Bivona
- Laryngeal Stent, Montgomery, fra Boston Medical products
- LCP Stapes Prosthesis, Kurz
- LD Biliary Premounted Stent System, Express, Boston Scientific
- LD Biliary Stent System, Express, Boston Scientific
- LD Iliac Premounted Stent System, Express, Boston Scientific
- LDS, Titanium Staple, Medtronic / Covidien
- LD Vascular Premounted, Express Stent System
- LD Vascular Stent System, Express, Boston Scientific
- Legemstemperatur
- Left atrial appendage closure
- Lenticle Cup Prosthesis, Kurz
- Lenus Pro, Tricumed, Infusionspumpe
- Leo Stent fra Balt Extrusion
- Leo Plus, Stent fra Balt Extrusion
- Leo Plus Baby, Stent fra Balt Extrusion
- Level 1, 400 Series Temperature Monitoring Probe, Model FC400, Smiths Medical
- Level 1, 400 Series Thermistor Esophageal Stethoscope Model ES400, Smiths Medical
- Level 1, 700 Series Thermistor Esophageal Stethoscope Model ES700, Smiths Medical
- Level 1, 70S Series Substitute Esophageal Stethoscope Model ES70S, Smiths Medical
- LG Medical, VenaTech Vena Cava LGM Filter
- LG Medical, VenaTech Vena Cava LP Filter
- Liberte, VeriFLEX, Boston Scientific, Coronary Stent System
- Libra, FreeStyle, Abbott
- Libra 2, FreeStyle, Abbott
- Libra 3, FreeStyle, Abbott
- Libra 14 day, FreeStyle, Abbott
- Libra Pro, FreeStyle, Abbott
- Licox fra Integra, monitorering af oxygenniveau i cerebrum
- Licox-kateter med probe
- LigaClip, Galdegangsclips, Ethicon
- LigaClip, Endoscopic Rotating Multiple Clip Applier, Model ER320, Ethicon
- LigaClip, Endoscopic Rotating Multiple Clip Applier, Model ER420, Ethicon
- LigaClip, Extra Ligating Clips, Ethicon
- LigaClip, Model LT100, LT102, LT200, LT202, LT300 og LT400, Ethicon
- LIGAMAX 5 Endoscopic Multiple Clip Applier, Ethicon, Ethicon Ligamax 5
- Life Star, Vascular Stent System fra BARD
- LifeStent Biliary Stent System, BARD
- LifeStent Vascular Stent System, BARD
- LifeStent XL Biliary Stent System, BARD
- LifeStent XL Vascular Stent System, BARD
- Life Technologies, On-X Heart Valves, Aortic Heart Valve with Anatomic Sewing Ring
- Life Technologies, On-X Heart Valves, Aortic Heart Valve with Conform-X Sewing Ring
- Life Technologies, On-X Heart Valves, Aortic Heart Valve with Standard Sewing Ring
- Life Technologies, On-X Heart Valves, Ascending Aortic Prosthesis
- Life Technologies, On-X Heart Valves, Mitral Heart Valve with Comfort-X Sewing Ring
- Life Technologies, On-X Heart Valves, Mitral Heart Valve with Standard Sewing Ring
- Link 3 Guardian Transmitter, Medtronic, Continuous Glucose Monitor (CGM)
- LINQ, Loop-Recorder, Medtronic
- LINQ II, Loop-Recorder, model LNQ22, Medtronic
- LINQ II ICM, Loop-Recorder, model LNQ22, Medtronic
- Lippy Modyfied Stapes Prostheses fra Olympus
- Lippy Modyfied Stapes Prostheses (Model EG70142xxx), Cup Piston fra Olympus
- LivaNova, VNS Therapy System, Model 100C
- LivaNova, VNS Therapy System, Model 100D, Duo, Cybertronic
- LivaNova, VNS Therapy System, Model 101
- LivaNova, VNS Therapy System, Model 102, Pulse
- LivaNova, VNS Therapy System, Model 102R, Pulse Duo
- LivaNova, VNS Therapy System, Model 103, Demipulse
- LivaNova, VNS Therapy System, Model 104, Demipulse Duo
- LivaNova, VNS Therapy System, Model 105, AspireHC
- LivaNova, VNS Therapy System, Model 106, AspireSR
- LivaNova, VNS Therapy System, Model 1000, Sentiva
- LivaNova, VNS Therapy System, Model 8103, Symmetry, Cybertronic
- Loop Recorder, Medtronic, Reveal, Model DX
- Loop Recorder, Medtronic, Reveal, Model XT
- Loop Recorder, Medtronic, Reveal, Model LINQ
- Loop Recorder, Medtronic, LINQ
- Loop Recorder, Medtronic, LINQ II, model LNQ22
- Loop Recorder, Medtronic, LINQ II ICM, model LNQ22
- Loop Recorder, SJM Confirm fra St. Jude Medical, Model DM2100
- Loop Recorder, SJM Confirm fra St. Jude Medical, Model DM2102
- Loop Recorder, SJM Confirm RX fra St. Jude Medical, Model DM3500
- LoPro90 AAA Stent Graft System, Anaconda, Terumo Aortic
- LoPro90 AAA Stent Graft System Bifurcate Body, Anaconda, Terumo Aortic
- Lotus, Aortic Valve System, Boston Scientific
- Lotus Edge, Aortic Valve System, Boston Scientific
- Lukkemuskel, kunstig, anal sphincter
- Lukkemuskel, kunstig, urinveje, ACT, SynMed (kvinder)
- Lukkemuskel, kunstig, urinveje, ProACT, SynMed (mænd)
- Luminexx, Vascular Stent fra BARD
- Lungedræn
- Lunge-vene-infusionspumpe
- Lvis Stent fra Micro Vention