Three-in-one suturing device for closing cannula hole
AssigneeShenzhen People's Hospital (Shenzhen Institute of Respiratory Disease)
InventorsKai Pan, Xuefei Yang, Chang Zhu
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Abstract
Disclosed is a three-in-one suturing device for closing a cannula hole, belonging to the field of medical instruments and solving the troublesome suturing problem in laparoscopic surgery. The cannula hole is closed in a quick, effective and safe manner by means of the cooperation of a pull hook, a suture needle and a fishbone thread. In the entire threading process, the needle tip only needs to penetrate the human body without going out of the human body; therefore, the operation difficulty and time of the cannula hole suturing surgery are reduced; and the fishbone thread is used to suture the cannula hole from the bottom of the suture portion.
Claims7
A three-in-one suturing device for closing a cannula hole, comprising:
- a pull hook, which is composed of a grip portion and an attaching portion having a through hole in the middle, wherein an upper surface of the attaching portion is provided with a raised serration, a lower surface of the attaching portion is fixedly connected with a protective shell, and the middle through hole is covered with a layer of elastic film;
- a suture needle configured to pierce the film and having a groove at a front end;
- and
- a fishbone thread, comprising a thread body that can be caught in the groove and barbs that can be attached to the film,
- wherein after being caught in the groove, the fishbone thread pierces the film along with the suture needle, and when the suture needle leaves the film in the original direction, the barbs are attached to the film, and then the fishbone thread is detached from the groove and kept in the protective shell, and moves along with the pull hook.
Dependencies are inferred from the claim text.