CN207950309U - A kind of novel elastic medical guiding wire - Google Patents

Abstract

The utility model discloses a kind of novel elastic medical guiding wire, including core wire, the surface of the core wire is equipped with several outwardly projecting bulge loops；Further include the rubber layer for coating the core wire and bulge loop, the rubber layer includes the interconnecting piece positioned at the head and the connection head of core wire front end；The head is set as its diameter and is gradually reduced along the direction that core wire extends axially forward, and forms arc surfaced round end in the front end on head.The utility model increases the elasticity of medical guiding wire, facilitates insertion into the smooth of process, prevents the risk of prick into human body, ensure that safety.

Description

A kind of novel elastic medical guiding wire

Technical field

The utility model is related to medical guiding wire technical field, especially a kind of novel elastic medical guiding wire.

Background technology

The use of medical guiding wire clinically is very frequent, such as the puncture of anesthetic tube, the insertion of stomach tube, can all use To medical guiding wire.Existing medical guiding wire has that hardness is excessive, poor flexibility, is especially bent in enteron aisle or nasal cavity etc. empty In, due to elastic deficiency, insertion process is caused to have some setbacks.Moreover, existing seal wire is all made of metal material, metal directly with Inevitably there is the risk of prick into human body in human contact.

Utility model content

In view of the above-mentioned problems, the utility model provides a kind of novel elastic medical guiding wire, increase the elasticity of medical guiding wire, just In the smooth of insertion process, prevent the risk of prick into human body, ensures safety.

The utility model embodiment provides a kind of novel elastic medical guiding wire, including core wire, the surface of the core wire are equipped with Several outwardly projecting bulge loops；Further include the rubber layer for coating the core wire and bulge loop, the rubber layer includes before being located at core wire The head at end and the interconnecting piece for connecting the head；The head be set as its diameter along the direction that core wire extends axially forward by It is tapered small, and form arc surfaced round end in the front end on head.

Preferably, the cross sectional shape of the bulge loop be triangle, and bulge loop thickness along far from core wire axle center direction by It is tapered small.

Preferably, the round end is hemispherical.

Preferably, the end face of the core wire is set as arc surfaced.

Preferably, the surface of the rubber layer is also wrapped on protective layer.

In the utility model, the rubber layer strong due to being coated with elastic force on core wire can increase the entirety of medical guiding wire Elasticity, and the head of rubber layer is set as its diameter and is gradually reduced along the direction that core wire extends axially forward, and head most Front end forms arc surfaced round end, and the resistance smaller being subject to during insertion keeps the insertion process of medical guiding wire more smooth.Together When, core wire is coated by rubber layer, can make core wire and the human body isolation of metal, in case prick into human body, ensures safety.

Description of the drawings

Fig. 1 is a kind of diagrammatic cross-section of the novel elastic medical guiding wire of embodiment of the utility model.

Specific implementation mode

The utility model embodiment provides a kind of novel elastic medical guiding wire, as shown in Figure 1 comprising core wire 1, core wire 1 Lines flexible are made of metal material, itself can carry out elastic deformation appropriate.The surface of core wire 1 is equipped with several to evagination The bulge loop 11 gone out, rubber layer coat the core wire 1 and bulge loop 11, since rubber layer is compression molding on core wire 1, and core wire 1 Surface be relative smooth, using medical guiding wire during, core wire 1 may be detached from rubber layer, setting bulge loop 11, can To be embedded into rubber layer, the associativity of rubber layer and core wire 1 is promoted, prevents the two from detaching.

Rubber layer include positioned at 1 front end of core wire head 21 and connect the interconnecting piece 22 on the head 21, to connection in figure Portion 22 has carried out the interruption technique of painting, and interconnecting piece 22 will extend with the axial direction of core wire 1, and specific length can be true in conjunction with actual needs It is fixed.The diameter on the head 21 of rubber layer is gradually reduced along the direction that core wire extends axially forward, and forms tapered form, and in head The front end in portion 21 forms arc surfaced round end 20 so that head 21 is rounder and more smooth, can be more smoothly when being contacted with tissue It is mobile.And round end 20 can prevent from scratching tissue, ensure safety.

In one embodiment, the cross sectional shape of bulge loop 11 is triangle, and the thickness of bulge loop 11 is along far from 1 axle center of core wire Direction be gradually reduced.So that the tool of bulge loop 11 is contacted with rubber layer there are two inclined-plane, further promotes the combination of rubber layer and core wire 1 Property.

In one embodiment, round end 20 is shaped to more smooth hemispherical.

In one embodiment, the end face of core wire 11 is set as arc surfaced, keeps the surface of core wire 11 rounder and more smooth, Bu Huihua Broken rubber layer.

In one embodiment, the surface of rubber layer is also wrapped on protective layer, and PTFE coating or parent may be used in protective layer Water paint is made, and rubber layer can be protected not to be damaged.

The above content is combining, specific embodiment is made for the present invention to be further described, and it cannot be said that this hair Bright specific implementation is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, it is not taking off Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.

Claims (5)

1. a kind of novel elastic medical guiding wire, it is characterised in that：

Including core wire, the surface of the core wire is equipped with several outwardly projecting bulge loops；Further include the cladding core wire and bulge loop Rubber layer, the rubber layer include the interconnecting piece positioned at the head and the connection head of core wire front end；The head is set as Its diameter is gradually reduced along the direction that core wire extends axially forward, and forms arc surfaced round end in the front end on head.

2. novel elastic medical guiding wire according to claim 1, it is characterised in that：

The cross sectional shape of the bulge loop is triangle, and the thickness of bulge loop is gradually reduced along the direction far from core wire axle center.

3. novel elastic medical guiding wire according to claim 1, it is characterised in that：

The round end is hemispherical.

4. novel elastic medical guiding wire according to claim 1, it is characterised in that：

The end face of the core wire is set as arc surfaced.

5. novel elastic medical guiding wire according to any one of claims 1-4, it is characterised in that：

The surface of the rubber layer is also wrapped on protective layer.