A clip device for hemostasis includes an introducing tube (outer sheath) insertable into a body cavity. An operating wire is slidably inserted into an inner sheath, which in turn is separately advanceable and retractable within the outer sheath (introducing tube). The operating wire has a distal en
A clip device for hemostasis includes an introducing tube (outer sheath) insertable into a body cavity. An operating wire is slidably inserted into an inner sheath, which in turn is separately advanceable and retractable within the outer sheath (introducing tube). The operating wire has a distal end portion and a retainer attached to the distal end portion of the operating wire. The clip device further includes a clip having a proximal end portion and at least three arm portions extending from the proximal end portion and provided with a tendency to open. A first retainer is attached to the distal end of the clip and is matingly received by a second retainer provided on the operating wire. A clip sliding ring is provided for closing the arm portions of the clip. Methods for delivering the clip and for causing hemostasis are also provided.
대표청구항▼
The invention claimed is: 1. A clip device for use in endoscopic medical procedures comprising: a) a first retainer configured so as to mate with a second retainer attached to a delivery system; b) a plurality of arms each having a proximal end and a distal end, the proximal end of each of the arms
The invention claimed is: 1. A clip device for use in endoscopic medical procedures comprising: a) a first retainer configured so as to mate with a second retainer attached to a delivery system; b) a plurality of arms each having a proximal end and a distal end, the proximal end of each of the arms being joined to the first retainer and extending distally therefrom, each of said arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when said clip device is in an open position and adjacent to each other when said clip device is in a closed position; c) a sliding ring disposed about the plurality of arms, said sliding ring being movable between a first position when said clip device is in the open position and a second position when said clip device is in the closed position, said sliding ring being configured to cause the distal ends of said arms to be adjacent to each other when in the second position, wherein the first retainer is disposed within the sliding ring when the sliding ring is in the first position and is disposed proximally of the sliding ring when the sliding ring is in the second position, and wherein the first retainer is engaged with the second retainer of the delivery system, the sliding ring prevents the first retainer from disengaging from the second retainer when in the first position, and the sliding ring permits the first retainer to disengage from the second retainer when in the second position. 2. The clip device according to claim 1, wherein the sliding ring comprises a proximal portion and a distal portion, the proximal portion having a first tubular cross-section defining an interior surface that is configured to slidably engage an exterior surface of the first retainer and an exterior surface of the second retainer, and the distal portion having a second tubular cross-section that is configured to slidably engage an outer surface of each of said arms, the second tubular cross-section being smaller than the first tubular cross-section to prevent said sliding ring from being removed from a proximal end of the clip device. 3. A clip device for use in endoscopic medical procedures comprising: a) a first retainer configured so as to mate with a second retainer attached to a delivery system; b) a plurality of arms each having a proximal end and a distal end, the proximal end of each of the arms being joined to the first retainer and extending distally therefrom, each of said arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when said clip device is in an open position and adjacent to each other when said clip device is in a closed position; c) a sliding ring disposed about the plurality of arms, said sliding ring being movable between a first position when said clip device is in the open position and a second position when said clip device is in the closed position, said sliding ring being configured to cause the distal ends of said arms to be adjacent to each other when in the second position, wherein the first retainer is disposed within the sliding ring when the sliding ring is in the first position and is disposed proximally of the sliding ring when the sliding ring is in the second position, and wherein the first retainer comprises a proximal portion and a distal portion, the proximal portion having a hook and a notch, the hook being configured to engage a notch on the second retainer, and the notch being configured to engage a hook on the second retainer. 4. The clip device according to claim 3, wherein the distal portion of the first retainer has a circular cross-section, the hook has a semi-circular cross-section, and the notch has a semi-circular cross-section, the cross-sectional area of the hook being greater than that of the notch. 5. The clip device according to claim 4, wherein the sliding ring has a tubular cross-section defining an interior surface, the interior surface having a diameter that is approximately equal to that of the circular cross-section of the distal portion of the first retainer. 6. A clip device for use in endoscopic medical procedures comprising: a) a first retainer configured so as to mate with a second retainer attached to a delivery system; b) a plurality of arms each having a proximal end and a distal end, the proximal end of each of the arms being joined to the first retainer and extending distally therefrom, each of said arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when said clip device is in an open position and adjacent to each other when said clip device is in a closed position; c) a sliding ring disposed about the plurality of arms, said sliding ring being movable between a first position when said clip device is in the open position and a second position when said clip device is in the closed position, said sliding ring being configured to cause the distal ends of said arms to be adjacent to each other when in the second position, wherein the first retainer is disposed within the sliding ring when the sliding ring is in the first position and is disposed proximally of the sliding ring when the sliding ring is in the second position, and wherein said clip device comprises three equally spaced arms, each of said arms being curved along a portion between the distal end and the proximal end. 7. The clip device according to claim 6, wherein the distal end of each of said arms comprises an inwardly bent tip portion. 8. A clip device for use in endoscopic medical procedures comprising: a) a first retainer configured so as to mate with a second retainer attached to a delivery system; b) a plurality of arms each having a proximal end and a distal end, the proximal end of each of the arms being joined to the first retainer and extending distally therefrom, each of said arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when said clip device is in an open position and adjacent to each other when said clip device is in a closed position; c) a sliding ring disposed about the plurality of arms, said sliding ring being movable between a first position when said clip device is in the open position and a second position when said clip device is in the closed position, said sliding ring being configured to cause the distal ends of said arms to be adjacent to each other when in the second position, wherein the first retainer is disposed within the sliding ring when the sliding ring is in the first position and is disposed proximally of the sliding ring when the sliding ring is in the second position, wherein the delivery system comprises an operating wire, an inner sheath, an outer sheath and a handle, the operating wire being slidably disposed within the inner sheath and attached to the second retainer, the inner sheath being slidably disposed within the outer sheath and configured to engage a proximal end of the sliding ring, and the outer sheath being configured to enclose the clip device when the clip device is in the closed position, wherein the handle includes a flushing port that is in fluid communication with an interior volume of the delivery system, and wherein the flushing port is in fluid communication with a cavity between the inner sheath and the outer sheath, the flushing port being configured to permit the ingress or egress of fluid from near the clip device. 9. The clip device according to claim 8, wherein the flushing port comprises a standard luer fitting. 10. A haemostatic clip delivery system for use in endoscopic medical procedures comprising: a) a delivery apparatus comprising an operating wire, an inner sheath, an outer sheath and a handle, the operating wire being slidably disposed within the inner sheath, and the inner sheath being slidably disposed within the outer sheath; and b) a haemostatic clip comprising a first retainer, a plurality of arms extending distally from the first retainer, and a sliding ring disposed about the plurality of arms, said arms being formed of a resilient material and shaped so that the arm tend to be spaced apart from each other, said sliding ring being configured to engage and close said arms together, wherein the handle includes a flushing port that is in fluid communication with an interior volume of the delivery apparatus, and wherein the flushing port is in fluid communication with a cavity between the inner sheath and the outer sheath, the flushing port being configured to permit the ingress or egress of fluid from near the clip device. 11. The haemostatic clip delivery system according to claim 10, wherein the flushing port comprises a standard luer fitting. 12. The haemostatic clip delivery system according to claim 11, wherein the sliding ring comprises a proximal portion and a distal portion, the proximal portion having a first tubular cross-section defining an interior surface that is configured to slidably engage an exterior surface of the first retainer and an exterior surface of the second retainer, and the distal portion having a second tubular cross-section that is configured to slidably engage an outer surface of each of said arms, the second tubular cross-section being smaller than the first tubular cross-section to prevent said sliding ring from being removed from the proximal end of the clip device. 13. The haemostatic clip delivery system according to claim 10, wherein delivery apparatus further comprises a second retainer attached to the operating wire, the second retainer being configured to engage the first retainer of the haemostatic clip so as to temporarily secure the haemostatic clip to the delivery apparatus prior to delivery of the haemostatic clip to a target site. 14. The haemostatic clip delivery system according to claim 13, wherein the sliding ring is configured to enclose the first retainer and the second retainer prior to delivery of the haemostatic clip to the target site, the sliding ring preventing the first retainer from disengaging from the second retainer, and wherein the sliding ring is movable to a second position to permit the first retainer to disengage from the second retainer when said haemostatic clip has been delivered to the target site. 15. The haemostatic clip delivery system according to claim 14, wherein the first retainer comprises a first hook and a first notch, and the second retainer comprises a second hook and a second notch, the first hook being configured to engage the second notch, and the second hook being configured to engage the first notch. 16. The haemostatic clip delivery system according to claim 15, wherein the first retainer and the second retainer each have a generally circular cross-section, the first hook and the second hook each have a semi-circular cross-section, and the first notch and the second notch each have a semi-circular cross-section, the cross-sectional area of the first hook and the second hook being greater than that of the first and the second notch. 17. The haemostatic clip delivery system according to claim 10, wherein the distal end of each of said arms comprises an inwardly bent tip portion. 18. The haemostatic clip delivery system according to claim 10, wherein said clip device comprises three equally spaced arms, each of said arms being curved along a portion between the distal end and the proximal end.
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이 특허에 인용된 특허 (69)
Srhoj Edward B. (8 Ferguson Street Alfred Cove ; Western Australia 6154 AUX), Adjustable gripping device.
Green David T. (Westport CT) Shichman Daniel (Trumbull CT) Zvenyatsky Boris (Bronx NY) McGarry Richard A. (Norwalk CT), Apparatus and method for applying latchless surgical clips.
Nash John (Dowingtown PA) Kensey Kenneth (Chester Springs PA) Spriegel Andrew R. (Havertown PA) Evans Stephen (Washington DC), Apparatus and methods for clamping tissue and reflecting the same.
Bolduc Lee (6416 Gainsborough Dr. Raleigh NC 27612) Richart Ralph (216 Congers Rd. New City NY 10956), Biopsy instrument with a disposable cutting blade.
Gifford ; III Hanson S. (Woodside CA) Bolduc Lee R. (Mountain View CA) Stein Jeffrey A. (Woodbridge CT) DiCesare Paul C. (Norwalk CT) Costa Peter F. (Winthrop MA) Holmes William A. (Marblehead MA), Devices and methods for performing a vascular anastomosis.
Yoon Inbae (2101 Highland Ridge Dr. Phoenix MD 21131) Yoon Samuel C. (2101 Highland Ridge Dr. Phoenix MD 21131) Yoon Suzanne J. (2101 Highland Ridge Dr. Phoenix MD 21131), Methods of applying surgical chips and suture tie devices to bodily tissue during endoscopic procedures.
Young Wayne P. (Brewster NY) Mastri Dominick L. (Bridgeport CT) Bolanos Henry (East Norwalk CT), Surgical clip applier having clip advancement control.
Green David T. (Westport CT) Bolanos Henry (East Norwalk CT) Alesi Thomas (New Fairfield CT), Surgical fastener applying instrument for ligating and dividing tissue.
Yoon InBae (2101 Highland Ridge Dr. Phoenix MD 21131) Yoon Samuel C. (2101 Highland Ridge Dr. Phoenix MD 21131) Yoon Suzanne J. (2101 Highland Ridge Dr. Phoenix MD 21131), Suture tie device system and applicator therefor.
Gourlay Stuart J. (Pinole CA) Buelna Terry (Rancho Santa Margarita CA) Noda Wayne A. (Mission Viejo CA) Lubock Paul (Laguna Niguel CA), Tethered clamp retractor.
Vidal Claude (Santa Barbara CA) Redmond Russell J. (Goleta CA) Barker John M. (Ventura CA) Collinson Mike (Goleta CA) Donaldson Eric J. (St. Paul MN) Solynties Alan J. (Richfield MN) Eyerly Robert M., Vessel clips.
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