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Method of securing a catheter body to a human skin surface
| Details |
Inventors: Moriuchi, Yousuke; Ishida, Toshinobu; Kousai, Tadashi;
Assignee: Terumo Kabushiki Kaisha (Tokyo, JP)
Primary Examiner: Truluck; Dalton L.
Assistant Examiner:
Attorney, Agent or Firm: Frishauf, Holtz, Goodman & Woodward
A method of firmly securing a catheter body to a surface portion of human skin, without causing the catheter body to be bent or reducing the diameter of the inner passage of the catheter body. This method employs a catheter-securing member which comprises a cylindrical body for allowing the catheter body to be slidably inserted therein, and a slit is provided along the axial direction of the cylindrical body. In this method a ligature is first pierced through a surface portion of human skin and tied over the surface of human skin, leaving a pair of free end portions extending out of the skin, and then the cylindrical body is secured with the free end portions of the ligature by winding the ligature around the cylindrical body and fastening them. |
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DETAILED DESCRIPTION It is an object of the present invention to solve the conventional problems described above and to provide a method of securing a catheter body to a human skin in such a manner that the catheter body will not be broken at a portion tied by a ligature, and a cavity thereof not be narrowed, and hence a transfusion liquid can be reliably supplied into the catheter, at a predetermined flow rate, and also provide a catheter-securing member which allows the catheter to be easily and firmly secured to the skin.
More specifically, according to the present invention, a securing member is provided which allows the catheter to be firmly secured to the surface of the skin, and which is constituted by a cylindrical body having a hollow portion into which the catheter body is slidably inserted in its axial direction, the cylindrical body having a slit formed to extend along the axial direction of the cylindrical body, and the slit reaching the hollow portion.
Furthermore, according to the present invention, there is provided a method of securing a catheter body to a surface portion of human skin, which comprises; preparing a cylindrical body having a hollow portion into which said catheter body is slidably inserted in an axial direction of said cylindrical body, said cylindrical body having a slit formed to extend along the axial direction of said cylindrical body, and said slit reaching said hollow portion; piercing a middle portion of a ligature through a surface portion of human skin and tieing the middle portion of the ligature over the surface portion of human skin, extending a pair of free end portions of said ligature out of the skin for fastening said cylindrical body; securing said cylindrical body with said pair of free end portions of the ligature by winding said ligature around said cylindrical body and fastening said ligature, thereby securing the catheter body to a surface portion of human skin.
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