CN112569454A

CN112569454A - Interventional guide wire

Info

Publication number: CN112569454A
Application number: CN202110130909.9A
Authority: CN
Inventors: 蒲良松; 沈远军
Original assignee: Shenzhen Maipuqi Medical Technology Co ltd
Current assignee: Shenzhen Maipuqi Medical Technology Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-03-30

Abstract

The invention relates to the technical field of medical equipment, and discloses an interventional guide wire, comprising a first shaft, a second shaft is arranged on one side of the first shaft, and a surface of the second shaft is sleeved There is a gold winding wire; the invention achieves the improvement of the flexibility of the semicircular end by connecting the semicircular end and the second body by a thinner forming wire, and then through the action of the gold winding The performance of the device reduces the damage and pain of the patient's blood vessels, and its gold winding can also improve the intraoperative imaging effect, enhance the visibility, and reduce the difficulty of the doctor's operation. There are several bumps processed in one piece, so that when the doctor operates the guide wire and encounters the blockage of the blood vessel, the blockage can be dredged more quickly, reducing the time for repeated rotation of the guide wire to cause discomfort to the patient, and improving the dredging efficiency. .

Description

Interventional guide wire

Technical Field

The invention relates to the technical field of medical equipment, in particular to an interventional guide wire.

Background

The guide wire is the key apparatus that guide sacculus and apparatus arrived pathological change department in percutaneous coronary angioplasty and percutaneous transluminal angioplasty, the direct seal wire head end of current guide wire core steel wire, and be single material, do not have good flexibility and compliance when getting into the blood vessel, time in the art has been increased, patient's misery has been increased, current guide wire is when using simultaneously, generally dredge the blood vessel of jam by the end of guide wire, but current end generally is semicircular soft material, it is comparatively troublesome to dredge, the mediation time is longer, patient's uncomfortable sense has been increased undoubtedly, and wire winding on the current guide wire is generally directly connected through the mode of joint, connect comparatively unstably like this, the condition of displacement appears easily, make the device's work effect variation.

Disclosure of Invention

The invention aims to provide an interventional guide wire which has the advantages of improving the guide effect and good blockage clearing effect and solves the problems of poor guide wire effect and poor blockage clearing effect of the conventional guide wire.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intervene guide wire, includes first body pole, one side of first body pole is provided with second body pole, the surface cover of second body pole is equipped with the gold wire winding, the one end of second body pole is provided with the shaping silk, the one end of shaping silk is provided with semi-circular end, the surface integrated processing of second body pole has the thread tooth, threaded connection between thread tooth and the gold wire winding, the integrative injection moulding in surface of semi-circular end has a plurality of lug.

Preferably, the first body rod is made of stainless steel wires, the second body rod is made of nickel-titanium alloy wires, and the first body rod and the second body rod are connected together through welding.

Preferably, the radius length of the forming wire is smaller than that of the second body rod, the second body rod is connected with the forming wire through welding, and the semicircular end head and the forming wire are integrally formed through injection molding.

Preferably, the surfaces of the first body rod and the second body rod are both sprayed with PTFE coatings, and the surface of the gold wire winding is sprayed with a hydrophilic coating.

Preferably, the semicircular end heads and the convex blocks are made of soft materials harmless to a human body, and scale marks are sprayed on the surface of the first body rod.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the semicircular end head is connected with the second body rod through the thinner forming wire, and then the function of the gold winding is performed, so that the performance of improving the flexibility of the semicircular end head is achieved, the condition of blood vessel injury and pain of a patient is reduced, the gold winding can also improve the developing effect in operation, the visibility is enhanced, and the operation difficulty of a doctor is reduced;

2. according to the invention, the plurality of bumps are integrally processed on the semicircular end head, so that when a doctor operates the guide wire to meet the blockage of a blood vessel, the blockage can be dredged more quickly, the time for discomfort of a patient caused by repeated rotation of the guide wire is reduced, and the dredging efficiency is improved.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 1.

In the figure: 1. a first body bar; 2. a second shaft; 3. winding gold; 4. forming wires; 5. a semicircular end head; 6. a bump; 7. scale lines; 8. thread teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the disposable diaper includes a first body bar 1, a second body bar 2 is disposed on one side of the first body bar 1, the first body bar 1 is made of stainless steel wire, the second body bar 2 is made of nitinol wire, the first body bar 1 and the second body bar 2 are connected together by welding, the first body bar 1 is made of stainless steel wire and the second body bar 2 is made of nitinol wire, the first body bar 1 and the second body bar 2 are connected together by welding, the nitinol wire has good shape memory and strong plasticity, the stainless steel wire has good corrosion resistance, a gold wire wrap 3 is sleeved on the surface of the second body bar 2, PTFE coatings are sprayed on the surfaces of the first body bar 1 and the second body bar 2, a hydrophilic coating is sprayed on the surface of the gold wire wrap 3, and PTFE coatings are sprayed on the surfaces of the first body bar 1 and the second body bar 2 The workpiece coated with the PTFE coating can form an even lubricating film on the surface of the workpiece after being dried, and has the characteristics of high cleanness, low torque lubrication, noise reduction and static electricity prevention, the hydrophilic coating reduces the inserted resistance, so that a catheter can more easily pass through a blood vessel, one end of the second body rod 2 is provided with a forming wire 4, one end of the forming wire 4 is provided with a semicircular end 5, the radius length of the forming wire 4 is smaller than that of the second body rod 2, the second body rod 2 and the forming wire 4 are connected together by welding, the semicircular end 5 and the forming wire 4 are integrally formed by injection molding, the radius length of the forming wire 4 is smaller than that of the second body rod 2, the second body rod 2 and the forming wire 4 are connected together by welding, and the semicircular end 5 and the forming wire 4 are integrally formed by injection molding, so that the semicircular end 5 and the second body rod 2 can have better flexibility when being connected together, through being connected by a thinner shaping silk 4 between semi-circular end 5 and the second body pole 2, pass through the effect of gold wire winding again, reached the performance that improves the 5 compliance of semi-circular end, reduced patient's vascular damage and painful condition to its gold wire winding can also improve the development effect in the art, has strengthened visuality, has reduced doctor's the operation degree of difficulty.

Example 2

Referring to fig. 1-3, an interventional guide wire includes a first body rod 1, a second body rod 2 is disposed on one side of the first body rod 1, the first body rod 1 is made of a stainless steel wire, the second body rod 2 is made of a nickel-titanium alloy wire, the first body rod 1 and the second body rod 2 are connected together by welding, the nickel-titanium alloy wire has good shape memory and strong plasticity, the stainless steel wire has good corrosion resistance, a gold wire wrap 3 is sleeved on the surface of the second body rod 2, PTFE coatings are sprayed on the surfaces of the first body rod 1 and the second body rod 2, a hydrophilic coating is sprayed on the surface of the gold wire wrap 3, and hydrophilic coatings are sprayed on the surfaces of the first body rod 1 and the second body rod 2, The surface of the second body rod 2 is sprayed with a PTFE coating and the surface of the gold wire winding 3 is sprayed with a hydrophilic coating, a workpiece sprayed with the PTFE coating can form an even lubricating film on the surface of the workpiece after being dried, and the stainless steel wire winding has the characteristics of high cleanness, low torque lubrication, noise reduction and static electricity prevention, the hydrophilic coating reduces the inserted resistance, so that a catheter can more easily pass through blood vessels, one end of the second body rod 2 is provided with a forming wire 4, one end of the forming wire 4 is provided with a semicircular end 5, the radius length of the forming wire 4 is smaller than that of the second body rod 2, the second body rod 2 is connected with the forming wire 4 through welding, the semicircular end 5 is connected with the forming wire 4 through injection molding, the semi-circular end 5 and the second body rod 2 can have better flexibility when being connected together, the semi-circular end 5 and the second body rod 2 are connected by a thinner forming wire 4 and then are connected by the action of a gold winding, the performance of improving the flexibility of the semi-circular end 5 is achieved, the condition of blood vessel injury and pain of a patient is reduced, the development effect in the operation can be improved by the gold winding, the visibility is enhanced, the operation difficulty of a doctor is reduced, the surface of the second body rod 2 is integrally processed with a thread tooth 8, the thread tooth 8 is in threaded connection with the gold winding wire 3, a plurality of convex blocks 6 are integrally formed on the surface of the semi-circular end 5 in an injection molding mode, the semi-circular end 5 and the convex blocks 6 are made of soft materials harmless to the human body, the scale lines 7 are sprayed on the surface of the first body rod 1, the semi-circular end 5 and the convex blocks 6 are made of soft materials harmless to the human body and are arranged with the scale lines 7, can prevent that semi-circular end 5 and lug 6 from causing to stab and can make the doctor know the length of inserting the seal wire to patient's blood vessel, through with above 5 integrated processing of semi-circular end have a plurality of lug 6, can make doctor's operation guide seal wire meet vascular jam department when, faster dredge jam department, reduce to rotate repeatedly and guide the seal wire and cause uncomfortable time of feeling to the patient, improve mediation efficiency.

The working principle is as follows: during operation, insert the device in the guide tube, twitch the front end of first body pole 1, the front end of first body pole 1 drives second body pole 2 and removes, second body pole 2 drives semi-circular end 5 and removes to reach the effect that will guide the seal wire to insert in patient's blood vessel, if meet vascular jam department simultaneously, rotate the front end of first body pole 1, under the effect of wrench force, second body pole 2 drives semi-circular end 5 and rotates under the effect of gold wire winding 3 semi-circular end 5, semi-circular end 5 drives lug 6 and clears up vascular jam department.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An interventional guide wire comprising a first shaft (1), characterized in that: one side of first body pole (1) is provided with second body pole (2), the surface cover of second body pole (2) is equipped with gold wire winding (3), the one end of second body pole (2) is provided with shaping silk (4), the one end of shaping silk (4) is provided with semi-circular end (5), the surface integrated processing of second body pole (2) has thread tooth (8), threaded connection between thread tooth (8) and the gold wire winding (3), the integrative injection moulding in surface of semi-circular end (5) has a plurality of lug (6).

2. The interventional guide wire of claim 1, wherein: the first body rod (1) is made of stainless steel wires, the second body rod (2) is made of nickel-titanium alloy wires, and the first body rod (1) and the second body rod (2) are connected together through welding.

3. The interventional guide wire of claim 1, wherein: the radius length of the forming wire (4) is smaller than that of the second body rod (2), the second body rod (2) and the forming wire (4) are connected together through welding, and the semicircular end head (5) and the forming wire (4) are integrally formed through injection molding.

4. The interventional guide wire of claim 1, wherein: the surface of the first body rod (1) and the surface of the second body rod (2) are both sprayed with PTFE coatings, and the surface of the gold winding wire (3) is sprayed with hydrophilic coatings.

5. The interventional guide wire of claim 1, wherein: the semicircular end head (5) and the lug (6) are both made of soft materials harmless to human bodies, and scale marks (7) are sprayed on the surface of the first body rod (1).