Inventor
BUTZIGER JOHN M
US23 patents
⚠️ This page may combine multiple inventors who share the name “BUTZIGER JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VERSAGO VASCULAR ACCESS INC
12 patentsUS10238851B2Mar 26, 2019
Medical access ports, transfer devices and methods of use thereof
VERSAGO VASCULAR ACCESS INC17 citations91
US10512734B2Dec 24, 2019
Devices and methods for installation and removal of a needle tip of a needle
VERSAGO VASCULAR ACCESS INC7 citations83
US10369345B2Aug 6, 2019
Medical access port, systems and methods of use thereof
VERSAGO VASCULAR ACCESS INC8 citations83
US11628261B2Apr 18, 2023
Devices and methods for installation and removal of a needle tip of a needle
VERSAGO VASCULAR ACCESS INC2 citations72
US10905866B2Feb 2, 2021
Devices, systems and methods for removal and replacement of a catheter for an implanted access port
VERSAGO VASCULAR ACCESS INC4 citations72
US12403267B2Sep 2, 2025
Devices and methods for installation and removal of a needle tip of a needle
VERSAGO VASCULAR ACCESS INC0 citations62
US12377255B2Aug 5, 2025
Devices, systems and methods for removal and replacement of a catheter for an implanted access port
VERSAGO VASCULAR ACCESS INC0 citations62
US11918755B2Mar 5, 2024
Catheter patency systems and methods
VERSAGO VASCULAR ACCESS INC0 citations62
US11724081B2Aug 15, 2023
Devices, systems and methods for removal and replacement of a catheter for an implanted access port
VERSAGO VASCULAR ACCESS INC0 citations62
US11154687B2Oct 26, 2021
Catheter patency systems and methods
VERSAGO VASCULAR ACCESS INC0 citations62
US11229781B2Jan 25, 2022
Medical access ports, transfer devices and methods of use thereof
VERSAGO VASCULAR ACCESS INC0 citations59
US11058815B2Jul 13, 2021
Medical access ports, transfer devices and methods of use thereof
VERSAGO VASCULAR ACCESS INC1 citations59
PRIMO MEDICAL GROUP INC
10 patentsUS10188844B2Jan 29, 2019
Access port locator
PRIMO MEDICAL GROUP INC5 citations82
US11678985B2Jun 20, 2023
Systems, apparatus and methods to repair operation of a heart valve
PRIMO MEDICAL GROUP INC2 citations72
US10512766B2Dec 24, 2019
Septum for access port
PRIMO MEDICAL GROUP INC1 citations72
US11801375B2Oct 31, 2023
Access port locator and methods of use thereof
PRIMO MEDICAL GROUP INC1 citations71
US11097087B2Aug 24, 2021
Access port locator and methods of use thereof
PRIMO MEDICAL GROUP INC3 citations71
US12465490B2Nov 11, 2025
Systems, apparatus and methods to repair operation of a heart valve
PRIMO MEDICAL GROUP INC0 citations62
US12128203B2Oct 29, 2024
Septum for access port
PRIMO MEDICAL GROUP INC0 citations62
US11697010B2Jul 11, 2023
Septum for access port
PRIMO MEDICAL GROUP INC0 citations62
US11241565B2Feb 8, 2022
Septum for access port
PRIMO MEDICAL GROUP INC0 citations62
US12447323B2Oct 21, 2025
Access port locator and methods of use thereof
PRIMO MEDICAL GROUP INC0 citations60