Auto-retraction apparatus and methods for sealing a vascular puncture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/08
A61B-017/00
A61M-025/10
A61M-025/06
출원번호
US-0806952
(2004-03-22)
등록번호
US-9289195
(2016-03-22)
발명자
/ 주소
Bagaoisan, Celso J.
Domingo, Nicanor
Khosravi, Farhad
Pai, Suresh S.
출원인 / 주소
Access Closure, Inc.
대리인 / 주소
Ardeleanu, Nada J.
인용정보
피인용 횟수 :
1인용 특허 :
148
초록▼
Apparatus for sealing a puncture communicating with a blood vessel includes an introducer sheath, an occlusion member with a balloon thereon, a retraction assembly, and a syringe assembly including sealing material therein. During use, the introducer sheath is introduced into the puncture. With the
Apparatus for sealing a puncture communicating with a blood vessel includes an introducer sheath, an occlusion member with a balloon thereon, a retraction assembly, and a syringe assembly including sealing material therein. During use, the introducer sheath is introduced into the puncture. With the balloon in a collapsed state, the occlusion member is introduced through the introducer sheath until the balloon is disposed within the vessel. The introducer sheath is coupled to the retraction assembly, the balloon is expanded, and the occlusion member is partially withdrawn to seal the puncture. A sealing compound is delivered from the syringe assembly through the introducer sheath into the puncture, the syringe assembly triggering the retraction assembly, whereupon the introducer sheath is automatically withdrawn at least partially from the puncture, delivering the sealing compound along the puncture.
대표청구항▼
1. An apparatus for sealing a puncture extending through tissue, comprising: a tubular member having a proximal end, a distal end sized for insertion into the puncture, and a lumen extending between the proximal end and an outlet at the distal end;an elongate occlusion member slidably disposed withi
1. An apparatus for sealing a puncture extending through tissue, comprising: a tubular member having a proximal end, a distal end sized for insertion into the puncture, and a lumen extending between the proximal end and an outlet at the distal end;an elongate occlusion member slidably disposed within the tubular member, the occlusion member comprising a proximal end, and a distal end extending distally through an opening in the distal end of the tubular member;an expandable member on the occlusion member distal end;a delivery device coupled to the proximal end of the tubular member, the delivery device comprising a plunger that is advanceable to deliver a sealing compound from the tubular member lumen around the occlusion member and from the outlet at the distal end of the tubular member; anda retraction assembly coupled to the proximal end of the tubular member and to the occlusion member, the retraction assembly comprising a lock for securing the tubular member in a distal position relative to the occlusion member, and a trigger that is activated by advancement of the plunger to thereby disengage the lock, the retraction assembly being biased to retract the tubular member proximally relative to the occlusion member when the lock is disengaged such that the tubular member is retracted and the occlusion member remains substantially stationary while delivering the sealing compound from the tubular member lumen out the outlet at the distal end of the tubular member. 2. The apparatus of claim 1, the occlusion member further comprising: an outer member comprising proximal and distal ends defining a longitudinal axis therebetween with an inflation lumen extending between the outer member proximal and distal ends, the expandable member comprising proximal and distal ends and having a variable length dimension, the proximal end of the expandable member being coupled to the distal end of the outer member such that an interior of the expandable member is in fluid communication with the inflation lumen, the expandable member being expandable from a collapsed state to an expanded state by introduction of fluid into the interior; andan inner member slidably coupled to the outer member and comprising proximal and distal ends, the inner member distal end coupled to the expandable member distal end, the inner member slidable relative to the outer member for moving the distal end of the expandable member towards and away from the proximal end of the expandable member when the expandable member is expanded and collapsed, respectively. 3. The apparatus of claim 2, further comprising a housing on the proximal end of the outer member, the housing comprising a chamber in fluid communication with the inflation lumen, a piston slidably disposed within the chamber and coupled to the inner member, a reservoir filled with inflation media and in fluid communication with the chamber, and an actuator that may be activated by a user to direct the inflation media from the reservoir into the chamber and inflation lumen, thereby substantially simultaneously expanding the expandable member and directing the piston proximally to thereby pull the inner member proximally to shorten the expandable member as it expands. 4. The apparatus of claim 3, wherein the actuator may be deactivated to withdraw inflation media from the chamber and the inflation lumen into the reservoir, thereby substantially simultaneously collapsing the expandable member and directing the piston distally to push the inner member distally to lengthen the expandable member as it collapses. 5. The apparatus of claim 3, wherein the proximal and distal ends of the expandable member at least partially evert into the interior of the expandable member as the expandable member expands. 6. The apparatus of claim 1, the retraction assembly further comprising an elongate member extending distally along a proximal portion of the occlusion member, the elongate member comprising one or more connectors on a distal end thereof, the one or more connectors connectable to the proximal end of the tubular member to thereby couple the tubular member to the retraction assembly. 7. The apparatus of claim 6, wherein the occlusion member is coupled to the retraction assembly, the elongate member further comprising a sheath extending over the proximal portion of the occlusion member, wherein the sheath may be received in the tubular member lumen when the occlusion member is inserted therein, the one or more connectors being insertable at least partially into the proximal end of the tubular member to couple the tubular member to the sheath. 8. The apparatus of claim 7, the tubular member further comprising a housing on the proximal end thereof, the housing defining a cavity, the one or more connectors comprising a detent that collapses to allow the detent to be inserted into the cavity when the sheath is received in the tubular member lumen, the detent being biased to extend within the cavity and prevent the detent from being removed easily therefrom. 9. The apparatus of claim 8, the housing comprising one or more side ports communicating with the delivery device, the sheath comprising a lumen and an opening communicating with the lumen that is disposed within the cavity when the detent is inserted into the cavity, the sheath comprising a seal distal to the opening for engaging an inner surface of the tubular member to substantially seal the lumen of the tubular member, such that sealing compound delivered from the delivery device enters the one or more side ports and flows into the opening and through the lumen of the sheath. 10. The apparatus of claim 9, wherein a distal tip of the sheath extends beyond the distal end of the tubular member when the detent is inserted into the cavity, such that the sealing compound is delivered through the lumen of the sheath out the distal tip of the sheath and beyond the distal end of the tubular member. 11. The apparatus of claim 1, wherein the lock is configured to be disengaged while delivering the sealing compound out the distal end of the tubular member. 12. The apparatus of claim 1, wherein the delivery device is coupled to a side port on the proximal end of the tubular member for delivering the sealing compound through the tubular member lumen. 13. An apparatus for sealing a puncture extending through tissue, comprising: an outer member comprising proximal and distal ends defining a longitudinal axis therebetween with an inflation lumen extending between the outer member proximal and distal ends;an expandable member comprising proximal and distal ends and having a variable length dimension, the proximal end of the expandable member being coupled to the distal end of the outer member such that an interior of the expandable member is in fluid communication with the inflation lumen, the expandable member being expandable from a collapsed state to an expanded state by introduction of fluid into the interior;an inner member slidably coupled to the outer member and comprising proximal and distal ends, the inner member distal end coupled to the expandable member distal end, the inner member slidable relative to the outer member for moving the distal end of the expandable member towards and away from the proximal end of the expandable member when the expandable member is expanded and collapsed, respectively;a housing on the proximal end of the outer member, the housing comprising a chamber in fluid communication with the inflation lumen, a piston slidably disposed within the chamber and coupled to the inner member, a reservoir having a cross-section larger than the inflation lumen filled with inflation media and in fluid communication with the chamber via a passage, and an actuator that may be activated by a user to direct the inflation media from the reservoir into the chamber and inflation lumen, the inflation media substantially thereby simultaneously expanding the expandable member and directing the piston proximally to thereby pull the inner member proximally to shorten the expandable member as it expands;a tubular member having a proximal end, a distal end sized for insertion into the puncture, and a lumen extending between the proximal and distal ends, the outer member being slidable through the tubular member;a delivery device coupled to the proximal end of the tubular member, the delivery device comprising a plunger that is advanceable to deliver a sealing compound from the tubular member lumen into the puncture; and a retraction assembly coupled to the proximal end of the tubular member and to the housing, the retraction assembly comprising a lock for securing the tubular member in a distal position relative to the expandable member, and a trigger that is activated by advancement of the plunger to thereby disengage the lock, the retraction assembly being biased to retract the tubular member proximally relative to the expandable member when the lock is disengaged. 14. An apparatus for sealing a puncture extending through tissue, comprising: a tubular member having a proximal end, a distal end sized for insertion into the puncture, and a lumen extending between the proximal end and an outlet at the distal end;an elongate occlusion member slidably disposed within the tubular member, the occlusion member comprising a proximal end, and a distal end extending distally through an opening in the distal end of the tubular member;an expandable member on the occlusion member distal end;a delivery device for delivering a sealing compound from the tubular member lumen around the occlusion member and from the outlet at the distal end of the tubular member; anda retraction assembly coupled to the proximal end of the tubular member and to the occlusion member, the retraction assembly comprising a lock for securing the tubular member in a distal position relative to the occlusion member, and a trigger that is activatable to disengage the lock, the retraction assembly being biased to automatically retract the tubular member proximally relative to the occlusion member when the lock is disengaged such that the tubular member is retracted and the occlusion member remains substantially stationary while delivering the sealing compound from the tubular member lumen out the outlet at the distal end of the tubular member to at least partially fill the puncture. 15. The apparatus of claim 14, wherein the retraction assembly comprises a stop that limits proximal retraction of the tubular member relative to the occlusion member when the lock is disengaged. 16. The apparatus of claim 15, wherein the stop is disposed at a location such that proximal retraction of the tubular member corresponds substantially to a length of a puncture through tissue that is being sealed. 17. The apparatus of claim 14, wherein the delivery device comprises a plunger that is advanceable to deliver the sealing compound through the tubular member lumen and out the distal end of the tubular member, and wherein the trigger is activated by advancement of the plunger to thereby disengage the lock. 18. The apparatus of claim 17, wherein the trigger and lock are spaced apart a predetermined distance such that the lock is released when the sealing compound begins to exit from the distal end of the tubular member.
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