Tuohy valve tightening port for percutaneous circulatory support device repositioning and axial locking
AssigneesBoston Scientific Medical Device Limited, Boston Scientific Scimed, Inc.
InventorsNeeraj Kumar Sharma, Sumit Agrawal, Rupesh Kumar Pahwa, Qian Liu
Life of this patent
Estimating the term…
Abstract
A tightening port for use with a hub of an introducer sheath includes a cartridge for reversible engagement with a proximal end of the hub, the cartridge having a proximal end and a distal end and a lumen extending therebetween, a seal positioned within the lumen of the cartridge, a lock nut having an inner portion positioned within the lumen of the cartridge and an outer portion configured for engagement with the proximal end of the cartridge, such that the inner portion of the lock nut is configured to push the seal to reduce a size of an opening of the seal.
Claims14
A tightening port for use with a hemostasis valve hub of a sheath, the port comprising:
- a cartridge for reversible engagement with a proximal end of the hemostasis valve hub, the cartridge having a proximal end and a distal end and a lumen extending therebetween;
- a seal positioned within the lumen of the cartridge;
- a lock nut having an inner portion positioned within the lumen of the cartridge and an outer portion configured for engagement with the proximal end of the cartridge, such that the inner portion of the lock nut is configured to extend distally from the outer portion into the lumen of the cartridge, to push the seal to reduce a size of an opening of the seal;
- and
- a sleeve holder circumferentially surrounding and engaged with a proximal end of the lock nut.
A delivery system for at least one medical device into a blood vessel, the delivery system comprising:
- a sheath having a proximal end and a distal end and configured for insertion through the blood vessel;
- a hemostasis valve hub engaging with the proximal end of the sheath;
- and
- a tightening port for engaging with a proximal end of the hemostasis valve hub, the tightening port comprising:
- a cartridge for reversible engagement with a proximal end of the hemostasis valve hub, the cartridge having a proximal end and a distal end and a lumen extending therebetween;
- a lumen for receiving the at least one medical device;
- a seal positioned within the lumen of the cartridge;
- a lock nut having an inner portion positioned within the lumen of the cartridge and an outer portion configured for engagement with the proximal end of the cartridge, such that the inner portion of the lock nut is configured to extend distally from the outer portion into the lumen of the cartridge, to push the seal to reduce a size of an opening of the seal;
- and
- a sleeve holder circumferentially surrounding and engaged with a proximal end of the lock nut.
Dependencies are inferred from the claim text.