US 11,986,180 B2
Adjustable suture locking apparatus
Weiwei Zhang, Hangzhou (CN); Tingchao Zhang, Hangzhou (CN); and Xianzhang Zheng, Hangzhou (CN)
Assigned to HANGZHOU VALGEN MEDTECH CO., LTD., Hangzhou (CN)
Appl. No. 16/975,612
Filed by Hangzhou Valgen Medtech Co., Ltd., Hangzhou (CN)
PCT Filed May 22, 2019, PCT No. PCT/CN2019/087885
§ 371(c)(1), (2) Date Aug. 25, 2020,
PCT Pub. No. WO2019/233278, PCT Pub. Date Dec. 12, 2019.
Claims priority of application No. 201810587805.9 (CN), filed on Jun. 8, 2018; and application No. 201820892356.4 (CN), filed on Jun. 8, 2018.
Prior Publication US 2021/0000464 A1, Jan. 7, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/04 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/0487 (2013.01) [A61B 17/0469 (2013.01); A61B 17/0483 (2013.01); A61B 2017/00243 (2013.01); A61B 2017/0488 (2013.01); A61B 2017/0496 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An adjustable suture locking apparatus comprising:
a lock pin operable to receive or fix a suture;
an outer tube defining a receiving cavity, wherein the lock pin is disposed at a distal end of the receiving cavity;
a handle comprising a fixing portion, wherein the fixing portion is coupled to a proximal end of the outer tube; and
an adjusting device disposed on the fixing portion, wherein the adjusting device is detachably coupled to a proximal end of the suture and operable to adjust tensioning or loosening of the suture, wherein
the adjusting device comprises a bunching device movably coupled to the fixing portion and coupled to the proximal end of the suture,
the bunching device comprises a suture fixation detachably coupled to the suture,
the suture fixation comprises a spool, a first blocking portion, a second blocking portion, and an elastic sheet,
the suture is wound around the spool,
the first blocking portion and the second blocking portion are coupled to two ends of the spool, respectively,
the second blocking portion is further away from the fixing portion than the first blocking portion, and
the elastic sheet is fixed to the second blocking portion and operable to fix the suture.