Apparatus and method for sealing a vascular puncture

Abstract

A closure system for delivering a sealant to an arteriotomy. A distal section of the closure system can include overlapping inner and outer sleeves that can expand with expansion of the sealant. A proximal section of the closure system can include a handle portion and a sheath adapter extending from the handle portion. The handle portion can comprise one or more actuators that when depressed or engaged can assist in deployment of the sealant in the arteriotomy and can further include tamping of the sealant and/or retraction of an expandable member. The sheath adapter can removably engage a side port or an irrigation line of a standard procedural sheath. When the sheath adapter is secured to the procedural sheath, movement of the closure system can also move the procedural sheath.

1 - 26 . (canceled) 
     
     
         27 . A closure system for closing an arteriotomy, the closure system comprising:
 a handle portion;   a sheath adapter comprising an attachment structure for releasable attachment to a procedural sheath;   an outer catheter extending distally from the handle portion, the outer catheter comprising a proximal section and a distal section;   an inner catheter extending through the outer catheter, the outer catheter axially movable with respect to the inner catheter;   a sealant positioned in the distal section of the outer catheter; and   a support tube proximal to the sealant and radially between the outer catheter and the inner catheter.   
     
     
         28 . The closure system of  claim 27 , wherein the sheath adapter comprises a proximal flange configured to engage the handle portion. 
     
     
         29 . The closure system of  claim 27 , wherein the sheath adapter and the handle portion are integral. 
     
     
         30 . The closure system of  claim 27 , wherein the distal section of the outer catheter comprises an inner sleeve and an outer sleeve surrounding the inner sleeve. 
     
     
         31 . The closure system of  claim 30 , wherein the proximal section of the outer catheter comprises a single layer. 
     
     
         32 . The closure system of  claim 30 , wherein the inner sleeve comprises a first slit and the outer sleeve comprises a second slit. 
     
     
         33 . The closure system of  claim 32 , wherein the first slit is circumferentially displaced from the second slit. 
     
     
         34 . The closure system of  claim 32 , wherein the first slit is circumferentially displaced from the second slit by about 180 degrees. 
     
     
         35 . The closure system of  claim 27 , wherein the inner catheter comprises an expandable structure positioned at a distal section of the inner catheter. 
     
     
         36 . The closure system of  claim 27 , wherein the handle portion has an expandable structure at a distal end thereof. 
     
     
         37 . The closure system of  claim 36 , wherein the handle portion has a tension indicator configured to indicate information associated with an amount of tension being applied to the vessel wall by the expandable structure. 
     
     
         38 . The closure system of  claim 37 , wherein the handle portion comprises an actuator configured to both deploy the sealant within the arteriotomy and to tamp the sealant against a vessel wall of the arteriotomy. 
     
     
         39 . The closure system of  claim 38 , wherein the handle portion further comprises a lockout mechanism configured to prevent the actuator from being actuated when the expandable structure is in an expanded state. 
     
     
         40 . The closure system of  claim 39 , wherein the handle portion further comprises an inflation indicator at a proximal end thereof, wherein the inflation indicator is configured to move from a first position to a second position when the expandable structure is fully expanded. 
     
     
         41 . A closure system for closing an arteriotomy, the closure system comprising:
 a handle portion;   an outer catheter extending from the handle portion, the outer catheter comprising a proximal section and a distal section, the distal section comprising an inner sleeve and an outer sleeve surrounding the inner sleeve, the inner sleeve comprising a first slit, the outer sleeve comprising a second slit circumferentially displaced from the first slit;   an inner catheter extending through the outer catheter, the outer catheter removably secured to the inner catheter;   a sealant positioned in the distal section of the outer catheter; and   a support tube proximal to the sealant and radially between the outer catheter and the inner catheter.   
     
     
         42 . The closure system of  claim 41 , wherein the proximal section of the outer catheter comprises a single layer. 
     
     
         43 . The closure system of  claim 41 , wherein the first slit is circumferentially displaced from the second slit by about 180 degrees. 
     
     
         44 . The closure system of  claim 41 , wherein the first slit and the second slit are distal to the support tube prior to deployment. 
     
     
         45 . The closure system of  claim 41 , wherein the handle portion has an expandable structure at a distal end thereof. 
     
     
         46 . The closure system of  claim 45 , wherein the handle portion has a tension indicator configured to indicate information associated with an amount of tension being applied to the vessel wall by the expandable structure.