Conduit

A catheter and guide wire tube technology, applied in the direction of the catheter, etc., can solve the problem of the decrease in the operability of the catheter 80, and achieve the effect of suppressing the decrease in operability and preventing detachment

Active Publication Date: 2013-09-18
GOODMAN & COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the operability of the suction cat

Method used

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Examples

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Embodiment Construction

[0038] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In this embodiment, a suction catheter for sucking a thrombus is embodied. figure 1 It is a schematic overall side view showing the structure of the suction catheter.

[0039] Such as figure 1 As shown, the suction catheter 10 has a length of 1 m to 2 m, and includes: a catheter body 11 ; and a sleeve 12 attached to the proximal end (base end) of the catheter body 11 . The catheter body 11 includes a suction tube 14 and a wire guide tube 15 provided on the distal end side (tip side) of the suction tube 14 , and the respective tubes 14 and 15 are formed by bonding by welding. The suction tube 14 has a suction lumen 17 inside it, and the guide wire tube 15 has a guide wire lumen 18 inside it for the guide wire G to pass through (refer to figure 2 ).

[0040] The sleeve 12 has in its interior a fluid passage 12a communicating with the suction lumen 17 of the suction...

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Abstract

The invention provides a structure in which a texturing tube buried on the periclinal wall of a main tube. The conduit can inhibit decline of passing through by preventing the texturing tube from detaching from the main tube. The main tube body of a suction tube comprises a suction tube (1) and a texturing tube (15). A easy-break (50,51) parts are positioned at the thick wall part of the periclinal wall of the suction tube (14) of the main body of the conduit, in the center of the periclinal wall (15), on the side contrary to the texturing tube lumen (17) and suction tube lumen (18) along X direction that the tube lumen is arrayed. The easy-break (50,51) parts which respectively depart from the suction tube (14) at the outlet of a guide wire (G) and bend toward one side are easier to break than the part between the suction tube lumen (17) in the center of the periclinal wall of the suction tube (14) , and the texturing tube lumen.

Description

technical field [0001] The present invention relates to catheters. Background technique [0002] Conventionally, aspiration catheters for aspirating and removing foreign substances in the body such as thrombus present in blood vessels are known (for example, refer to Patent Document 1). Some suction catheters include: a suction tube having a suction lumen for attracting foreign matter; and a guide wire tube having a guide wire lumen through which a guide wire can pass. In this case, the suction tube and the guide wire tube are joined by thermal welding, for example. [0003] When introducing such a suction catheter into the body, first, the guide catheter is passed through a sheath introducer inserted into the body in advance. After passing through the guide catheter, the guide wire is passed through the guide catheter and introduced to a predetermined position in the body. Then, the guide wire is passed through the guide wire tube of the suction catheter, and the suction...

Claims

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Application Information

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IPC IPC(8): A61M25/00
CPCA61M25/01A61M2025/0177
Inventor 日和秀人井泽圭
Owner GOODMAN & COMPANY
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