Apparatus and methods for sealing a vascular puncture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/08
A61M-029/00
출원번호
US-0617693
(2009-11-12)
등록번호
US-8394122
(2013-03-12)
발명자
/ 주소
Bagaoisan, Celso J.
Domingo, Juan
Duong, Sieu
출원인 / 주소
AccessClosure, Inc.
대리인 / 주소
English, William A.
인용정보
피인용 횟수 :
7인용 특허 :
104
초록▼
An apparatus for sealing a puncture includes a cartridge, a pusher member, a sealant, and a tamping device on a proximal end of the cartridge. During use, the cartridge, sealant, and pusher member are advanced over a positioning member and into the puncture by advancing a cartridge hub carrying the
An apparatus for sealing a puncture includes a cartridge, a pusher member, a sealant, and a tamping device on a proximal end of the cartridge. During use, the cartridge, sealant, and pusher member are advanced over a positioning member and into the puncture by advancing a cartridge hub carrying the tamping device. When further distal advancement of the cartridge is limited, the cartridge hub is further advanced, activating the tamping device, and causing the pusher member to advance relative to the sealant to compress the sealant within the puncture.
대표청구항▼
1. An apparatus for sealing a puncture extending through tissue, comprising: an elongate member comprising a proximal end, a distal end sized for insertion into a puncture through tissue, and an expandable member on the distal end;a cartridge comprising a housing on a proximal end thereof, a distal
1. An apparatus for sealing a puncture extending through tissue, comprising: an elongate member comprising a proximal end, a distal end sized for insertion into a puncture through tissue, and an expandable member on the distal end;a cartridge comprising a housing on a proximal end thereof, a distal end sized for insertion into the puncture, and a lumen extending between the proximal and distal ends sized for receiving the elongate member therein;a sealant disposed within the cartridge lumen adjacent the cartridge distal end;a pusher member disposed within the cartridge lumen adjacent to the sealant; anda tamping device comprising: a slider tube within the housing and coupled to the cartridge, the slider tube being slidable relative to the housing;an auto advance spring compressible between the slider tube and a proximal surface of the housing; anda tamping spring disposed within the slider tube and coupled between the pusher member and a secondary pusher tube. 2. The apparatus of claim 1, further comprising an auto advance spring tube within the housing, the auto advance spring surrounding the auto advance spring tube. 3. The apparatus of claim 1, wherein the slider tube is slidable between an inactive position and an active position, the pusher tube being biased to move distally relative to the cartridge in the active position for compressing the sealant. 4. The apparatus of claim 3, wherein, in the inactive position, the tamping spring and the auto advance spring are substantially relaxed. 5. The apparatus of claim 1, wherein, in the active position, the tamping spring and the auto advance spring store potential energy for biasing the pusher tube to move distally. 6. The apparatus of claim 1, wherein the cartridge is movable along the elongate member from a proximal position wherein the cartridge is disposed adjacent the elongate member proximal end to a distal position wherein the sealant is disposed adjacent the expandable member and the tamping device is activated to bias the pusher member to move distally to push the sealant towards the expandable member, andwherein the slider member is biased to a first position within the housing such that the slider member moves distally with the housing when the cartridge is directed towards the distal position, but movable proximally within the housing to a second position when the cartridge is advanced to the distal position, thereby compressing the spring member to bias the pusher member to move distally. 7. The apparatus of claim 6, wherein the expandable member is expandable to an expanded state before the cartridge is advanced to the distal position such that the sealant is compressed between the pusher member and the expanded expandable member when the tamping device is activated. 8. The apparatus of claim 6, wherein the elongate member and pusher member comprise cooperating features that engage with one another when the cartridge is advanced to the distal position to prevent subsequent proximal movement of the pusher member relative to the elongate member. 9. The apparatus of claim 6, wherein the tamping device further comprises a support member fixed in the housing that is coupled to the pusher member when the cartridge is advanced to the distal position and the slider member moves to the second position, thereby engaging cooperating features on the pusher member and elongate member to prevent subsequent proximal movement of the pusher member relative to the elongate member. 10. The apparatus of claim 6, further comprising a marker on the elongate member for indicating that the tamping device is in an active position. 11. The apparatus of claim 6, wherein the tamping spring is configured for distally advancing the pusher member thereby compressing the sealant between the pusher member and the expandable member when the expandable member is expanded.
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