US-12622689-B2 - Endoscopic suture cinching and cutting device

Abstract

Medical devices for cinching and cutting one or more suture, and methods for making and using such devices are disclosed. An example medical device may include a shaft, a sleeve attached to the shaft, cutter slidable within the sleeve, a cinch sleeve releasably coupled to the sleeve, and a cinch member. An elongated inner shaft may extend through and be longitudinally movable within the elongated shaft, sleeve, cutter, cinch sleeve, and cinch member. The inner shaft may be actuated to cinch and cut one or more suture disposed within the device.

Inventors

• Ryan V. WALES
• Christopher R. Deuel
• Kevin L. Bagley
• KATHRYN VENUTO
• Stan Robert GILBERT

Assignees

• BOSTON SCIENTIFIC SCIMED, INC.

Dates

Publication Date

20260512

Application Date

20240315

Claims (20)

1. 1 . A medical device for cinching and cutting one or more sutures, the medical device comprising: a tubular member having a distal end; a cinch sleeve defining a cinch lumen, and having a proximal end in contact with the distal end of the tubular member, and a distal end; a cinch member having a proximal portion configured to fit through the distal end of the cinch sleeve and into the cinch lumen, and a distal portion; and a cutter having a distal portion fitted within a portion of the cinch lumen to be releasably coupled to the cinch sleeve, and a proximal portion; wherein the cutter is slidable between a position fixed relative to the cinch sleeve, and a position slidable with respect to the cinch sleeve to cut the one or more sutures.
2. 2 . The medical device of claim 1 , wherein the proximal end of the cinch sleeve is in abutting contact with the distal end of the tubular member.
3. 3 . The medical device of claim 1 , wherein proximal movement of the cutter to decouple from the cinch sleeve releases and deploys the cinch sleeve and cinch member from the tubular member.
4. 4 . The medical device of claim 1 , further comprising an inner shaft extending through and longitudinally movable within the cinch lumen, wherein proximal movement of the inner shaft moves the cinch member from a first configuration in which at least a part of the cinch member is spaced apart from a distal end of the cinch sleeve, to a second configuration in which the proximal portion of the cinch member engages the cinch lumen.
5. 5 . The medical device of claim 4 , wherein a distal end of the inner shaft is configured to releasably engage the cinch member.
6. 6 . The medical device of claim 5 , wherein the cinch member defines a cinch member lumen having a distal section and a proximal section, wherein a diameter of the distal section of the cinch member lumen is larger than a diameter of the proximal section of the cinch member lumen, wherein the distal end of the inner shaft has a diameter larger than the diameter of the proximal section of the cinch member lumen, wherein the distal end is compressible such that application of a predetermined amount of proximal force compresses the distal end of the inner shaft, allowing it to move into the proximal section of the cinch member lumen.
7. 7 . The medical device of claim 4 , wherein the cutter has a protrusion extending into a lumen of the cutter, the protrusion configured to engage the distal end of the inner shaft, wherein from the second configuration, further proximal movement of the inner shaft moves the distal end of the inner shaft out of engagement with the cinch member and into engagement with the protrusion such that continued proximal movement of the inner shaft moves the cutter from the distal position to the proximal position and releases the cutter from the cinch sleeve.
8. 8 . The medical device of claim 1 , wherein the cinch sleeve is releasably coupled to the tubular member via a releasable connection between the cinch sleeve and the cutter.
9. 9 . The medical device of claim 1 , wherein the cinch member and the cinch sleeve are configured to interlock.
10. 10 . The medical device of claim 1 , wherein the cinch sleeve is releasably coupled to the cutter via a friction fit between an inner surface of the proximal portion of the cinch sleeve and an outer surface of the distal portion of the cutter.
11. 11 . The medical device of claim 1 , wherein the tubular member has a distal end, and the distal portion of the cutter extends distally beyond the distal end of the tubular member.
12. 12 . A medical device for cinching and cutting one or more sutures, the medical device comprising: a shaft defining a shaft lumen and having a distal end; a cutter having a cutting surface; a cinch sleeve defining a cinch lumen and releasably coupled to the cutter via a releasable coupling; and a cinch member having at least a proximal portion configured to fit within the cinch lumen; wherein the shaft is coupled to the cinch sleeve via the releasable coupling of the cutter within the cinch lumen of the cinch sleeve such that release of the releasable coupling between the cutter and the cinch sleeve results in separation of the cinch sleeve and cinch member from the shaft.
13. 13 . The medical device of claim 12 , wherein the cinch sleeve is releasably coupled to the cutter via a friction fit between an inner surface of the proximal portion of the cinch sleeve and an outer surface of the distal portion of the cutter.
14. 14 . The medical device of claim 12 , wherein proximal movement of the cutter to decouple from the cinch sleeve releases and deploys the cinch sleeve and cinch member from the shaft.
15. 15 . The medical device of claim 12 , wherein the shaft is movably coupled with respect to the cinch sleeve while the cutter is substantially immovably coupled with respect to the cinch sleeve.
16. 16 . A medical device for cinching and cutting one or more sutures, the medical device comprising: a shaft defining a shaft lumen; a cutter having a cutting surface; a cinch sleeve defining a cinch lumen, the cinch sleeve having a proximal portion releasably coupled to the cutter, and a distal portion; a cinch member defining a cinch member lumen, the cinch member having at least a proximal portion configured to fit through the distal portion of the cinch sleeve and into the cinch lumen; and an inner shaft extending through and longitudinally movable within the shaft lumen, the cinch lumen, and the cinch member lumen; wherein the cutter is slidable between a distal position releasably coupled to the cinch sleeve within a portion of the cinch lumen, and a proximal position configured to cut the one or more sutures.
17. 17 . The medical device of claim 16 , wherein proximal movement of the cutter decouples the cutter from the cinch sleeve to release and deploy the cinch sleeve and cinch member from the shaft.
18. 18 . The medical device of claim 16 , wherein the cinch sleeve is releasably coupled to the cutter via a friction fit between an inner surface of the proximal portion of the cinch sleeve and an outer surface of the distal portion of the cutter.
19. 19 . The medical device of claim 16 , wherein the cinch member and the cinch sleeve are configured to interlock.
20. 20 . The medical device of claim 16 , wherein the shaft is movably coupled with respect to the cinch sleeve while the cutter is substantially immovably coupled with respect to the cinch sleeve.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This application is a continuation of and claims the benefit of the earlier filing date of U.S. patent application Ser. No. 17/089,637, filed on Nov. 4, 2020, which claims the benefit of and priority under 35 U.S.C. § 119 to U.S. Provisional Patent Application No. 62/930,761, filed on Nov. 5, 2019, and which applications are incorporated herein by reference in their entireties for all purposes. Any and all priority claims identified in the Application Data Sheet, or any correction thereto, are hereby incorporated by reference under 37 C.F.R. § 1.57. TECHNICAL FIELD The present disclosure pertains to medical devices, and methods for manufacturing medical devices. More particularly, the present disclosure pertains to devices for cinching and cutting a suture, and methods for manufacturing and using such devices. BACKGROUND A wide variety of medical devices and methods have been developed for suturing tissue, and securing and/or terminating the free end of a suture relative to the tissue once a suture is in place. These devices are manufactured by any one of a variety of different manufacturing methods and may be used according to any one of a variety of methods. Of the known devices and methods, each has certain advantages and disadvantages. There is an ongoing need to provide alternative devices as well as alternative methods for manufacturing and using such devices. SUMMARY This disclosure provides design, material, manufacturing method, and use alternatives for suture termination devices, for example, devices for applying a cinch to a suture. In an example, a medical device for cinching and cutting one or more suture comprises a shaft defining a shaft lumen, a sleeve having a sleeve lumen, the sleeve attached to the shaft, a cutter slidable within the sleeve lumen, a cinch sleeve defining a cinch lumen, the cinch sleeve releasably coupled to the cutter, a cinch member defining a cinch member lumen, the cinch member including at least a proximal portion configured to fit within the cinch lumen, and an inner shaft extending through and longitudinally movable within the shaft lumen, the sleeve lumen, the cinch lumen, and the cinch member lumen, wherein at least one of the cutter and sleeve define a cutting surface, wherein the cutter is slidable between a distal position configured to allow one or more suture to be loaded into the medical device, and a proximal position configured to cut the one or more suture. Alternatively or additionally to any of the above examples, the cutter has a cutter lumen with a cutter opening extending into the cutter lumen, and the sleeve has a sleeve opening extending into the sleeve lumen, wherein when the cutter is in the distal position, the cutter opening and sleeve opening are aligned, and when the cutter is in the proximal position, the cutter opening is proximal of the sleeve opening. Alternatively or additionally to any of the above examples, when the cutter is in the distal position, a suture pathway is formed extending through the cinch lumen and cutter lumen, and out through the aligned cutter and sleeve openings. Alternatively or additionally to any of the above examples, a distal end of the inner shaft is configured to releasably engage the cinch member lumen, wherein proximal longitudinal movement of the inner shaft moves the cinch member from a first configuration in which at least a part of the cinch member is spaced apart from a distal end of the cinch sleeve, to a second configuration in which the proximal portion of the cinch member engages the cinch lumen. Alternatively or additionally to any of the above examples, the cinch member lumen has a distal section and a proximal section, wherein a diameter of the distal section is larger than a diameter of the proximal section, wherein the distal end of the inner shaft has a diameter larger than the diameter of the proximal section of the cinch member lumen, wherein the distal end is compressible such that application of a predetermined amount of proximal longitudinal force compresses the distal end, allowing it to move into the proximal section of the cinch member lumen. Alternatively or additionally to any of the above examples, the cutter has a protrusion extending into a lumen of the cutter, the protrusion configured to engage the distal end of the inner shaft, wherein from the second configuration, further proximal longitudinal movement of the inner shaft moves the distal end through and out of the cinch member lumen and into engagement with the protrusion such that continued proximal longitudinal movement of the inner shaft moves the cutter from the distal position to the proximal position and releases the sleeve from the cinch sleeve. Alternatively or additionally to any of the above examples, the shaft includes a distal compressible coil attached to a proximal end of the cutter, wherein the compressible coil limits distal and proximal movement of the cutter. Alternati