Guide wire

A technology of guide wire and protrusion, applied in the direction of catheter, guide wire, etc., can solve the problem of rolling up
CN102811759AActive Publication Date: 2012-12-05TERUMO KK
7 Cites 7 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
TERUMO KK
Publication Date
2012-12-05

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

Disclosed is a guide wire which comprises: a flexible long wire main body; and a coating layer that covers the front end portion of the wire main body and is configured of a resin material. The wire main body of the guide wire is provided with a projection that protrudes along the entire outer circumference of the main body. The front end portion of the projection is in contact with the base end portion of the coating layer, and the maximum outer diameter of the projection is larger than the outer diameter of the coating layer that is in contact with the projection. The base end portion of the projection has an outer diameter tapering portion wherein the outer diameter is gradually reduced toward the base end.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to guide wires. Background technique

[0002] When a catheter is inserted into a living body lumen such as a digestive tract or a blood vessel, a guide wire is used to guide the catheter to a target site in the living body lumen. This guide wire is inserted into a catheter and used. In addition, observation and treatment of a living body lumen using an endoscope are also performed using a guide wire, and the endoscope and a catheter inserted into the lumen of the endoscope are also guided to a living body lumen and the like using a guide wire. target site.

[0003] As the guide wire, there is known a guide wire including: a long guide wire body; a resin coating layer covering the front end of the guide wire body; A ring-shaped member in the step space between the filament main body and the resin coating layer (for example, refer to Patent Document 1). The guide wire described in this patent document 1 has a structure i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More