CN113041480A - Guide wire for coronary intervention - Google Patents
Guide wire for coronary intervention Download PDFInfo
- Publication number
- CN113041480A CN113041480A CN202110437842.3A CN202110437842A CN113041480A CN 113041480 A CN113041480 A CN 113041480A CN 202110437842 A CN202110437842 A CN 202110437842A CN 113041480 A CN113041480 A CN 113041480A
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- China
- Prior art keywords
- guide wire
- stainless steel
- spring
- core wire
- steel spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010935 stainless steel Substances 0.000 claims abstract description 57
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 57
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000010931 gold Substances 0.000 claims abstract description 29
- 229910052737 gold Inorganic materials 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 23
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 210000004351 coronary vessel Anatomy 0.000 abstract description 8
- 210000004204 blood vessel Anatomy 0.000 abstract description 5
- 201000000057 Coronary Stenosis Diseases 0.000 abstract description 4
- 206010011089 Coronary artery stenosis Diseases 0.000 abstract description 4
- 208000031481 Pathologic Constriction Diseases 0.000 abstract description 4
- 230000036262 stenosis Effects 0.000 abstract description 4
- 208000037804 stenosis Diseases 0.000 abstract description 4
- 238000001356 surgical procedure Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 230000002526 effect on cardiovascular system Effects 0.000 description 6
- 230000000638 stimulation Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 210000000748 cardiovascular system Anatomy 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 208000029078 coronary artery disease Diseases 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical group [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 2
- 238000013146 percutaneous coronary intervention Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 206010000891 acute myocardial infarction Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008081 blood perfusion Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000007211 cardiovascular event Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002107 myocardial effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M25/09016—Guide wires with mandrils
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09133—Guide wires having specific material compositions or coatings; Materials with specific mechanical behaviours, e.g. stiffness, strength to transmit torque
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09166—Guide wires having radio-opaque features
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a guide wire for coronary intervention, which comprises a stainless steel spring, wherein a core wire body structure is arranged on one side of the stainless steel spring, and a gold spring is arranged on the other side of the stainless steel spring. This a guide wire for coronary artery is intervene through in the operation is intervene to the coronary artery, coronary artery stenosis to blood vessel distal end, need reach stenosis department pressurization expansion and provide "track" for sacculus pipe or support with the help of the guide wire, the near-end of the inside stainless steel spring of in-process guide wire of use is fixed with gold spring, can increase the development effect of guide wire under outside machine equipment radiographic development during the use, be convenient for track the internal specific position of patient in surgical treatment to the guide wire, medical staff's burden has been reduced makes things convenient for medical staff's operation simultaneously, make things convenient for the purpose of medical staff's operation, the problem of the relatively poor guide wire of being not convenient for of development effect of guide wire under the radiographic development and the internal tracking of patient has been solved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a guide wire for coronary intervention.
Background
Coronary heart disease acute myocardial infarction is a common and frequent cardiovascular event in clinic, and adverse events are easy to occur if the condition of a patient is not controlled by effective treatment in time, so that the life safety of the patient is threatened directly. Percutaneous Coronary Intervention (PCI) is a common method in clinical treatment of coronary heart disease, can dredge narrow or blocked coronary arteries, and is beneficial to improvement of myocardial blood perfusion. The guide wire is used as the most basic medical appliance of coronary artery interventional therapy, plays an important role in the coronary artery therapy, is clinically used for guiding a balloon dilatation catheter and a cardiac stent to a cardiovascular pathological part of a patient, and currently, some guide wires also exist clinically, but most of the guide wires have technical defects, for example, the traditional guide wire for coronary artery intervention has poor developing effect under radiographic development, is inconvenient for tracking the guide wire in the body of the patient, brings great inconvenience for the operation of medical staff due to the poor developing effect, and can guide the guide wire to enter an incorrect blood vessel cavity channel due to the poor developing effect, so that the operation time is prolonged, and the patient is exposed to the rays for a long time; the guide wire for coronary intervention has large stimulation to the vessel wall of a patient in the use process, the lubricity of the guide wire is poor, the pushing capacity of the guide wire in a catheter in the use process of the guide wire is poor, and the guide wire damages the cardiovascular of the patient.
Disclosure of Invention
The invention aims to provide a guide wire for coronary intervention, which aims to solve the problem that the guide wire has poor developing effect under radiography and is inconvenient to track in a patient body.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a guide wire for coronary artery is intervene, includes stainless steel spring, one side of stainless steel spring is provided with core filament body structure, stainless steel spring's opposite side is provided with the gold spring, one side of gold spring is provided with the head end, the outside of core filament body structure is provided with the PTFE coating, the outside of gold spring and stainless steel spring is provided with hydrophilic coating.
Preferably, the core wire body structure is composed of a stainless steel core wire, a nickel-titanium alloy core wire, a connecting tip and a welding block, wherein the welding block is welded on one side of the stainless steel core wire, the nickel-titanium alloy core wire is welded on one side of the welding block, and the connecting tip is fixedly connected on one side of the nickel-titanium alloy core wire.
Preferably, one side of the core filament structure is a thin end, and the other side of the core filament structure is a thick end.
Preferably, the stainless steel spring is sleeved outside the thin end of the core wire body structure.
Preferably, the stainless steel core wire and the nickel-titanium alloy core wire penetrate through the inner parts of the gold spring and the stainless steel spring.
Preferably, the stainless steel spring is connected with the gold spring in a welding mode.
Preferably, the head end adopts a welding mode to weld and fix the stainless steel spring and the core wire body structure.
Preferably, the outer surfaces of the stainless steel core wire and the nickel-titanium alloy core wire are respectively coated with PTFE coatings.
Preferably, the surfaces of the gold spring and the stainless steel spring are respectively coated with a hydrophilic coating.
Compared with the prior art, the invention has the beneficial effects that: the guide wire for coronary intervention not only realizes the increase of the developing effect of the guide wire under radiographic development, but also enables the guide wire to be traceable in the body of a patient, realizes the reduction of the friction force between the guide wire and the cardiovascular system, relieves the stimulation to the vessel wall, and realizes the improvement of the pushing capacity of the guide wire in the catheter;
(1) by arranging the gold spring, in the coronary intervention operation, the coronary artery stenosis reaches the far end of a blood vessel, a balloon catheter or a stent is conveyed to the stenosis part to be pressurized and expanded by means of the guide wire to provide a track, the gold spring is fixed at the near end of the stainless steel spring in the guide wire in the use process, the development effect of the guide wire under the radiographic development of external machine equipment can be increased when the gold spring is used, the specific position of the guide wire in the body of a patient in the operation treatment can be conveniently tracked, the burden of medical staff is reduced, the operation of medical staff is facilitated, the success rate of the coronary intervention operation is improved, the development performance of the guide wire is enhanced, the tracking performance of the guide wire is improved, and the operation of the medical staff is facilitated;
(2) the PTFE coating is arranged outside the core wire body structure, the core wire body structure is formed by welding the stainless steel core wire and the nickel-titanium alloy core wire, and meanwhile, the PTFE coatings are respectively coated outside the stainless steel core wire and the nickel-titanium alloy core wire, so that a lubricating medium is provided between the guide wire and the catheter by the PTFE coating, the pushing capacity of the guide wire in the catheter is improved, and the purpose of improving the pushing capacity of the guide wire in the catheter is achieved;
(3) through being provided with hydrophilic coating, the outside of stainless steel spring and gold spring has hydrophilic coating respectively, can reduce the frictional force between guide wire and the cardiovascular at the in-process that the guide wire used at the patient in vivo to alleviate the stimulation to patient's health vascular wall, reduce the cardiovascular damage to the patient.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged structural view of the core filament structure of the present invention in elevation, partially sectioned;
FIG. 3 is an enlarged elevational view, partially in section, of a PTFE coating in accordance with the present invention;
fig. 4 is an enlarged partial sectional view of the hydrophilic coating according to the present invention.
In the figure: 1. a head end; 2. a gold spring; 3. a stainless steel spring; 4. a core filament structure; 401. stainless steel core wire; 402. a nickel-titanium alloy core wire; 403. connecting a pointed end; 404. welding the blocks; 5. a PTFE coating; 6. a hydrophilic coating.
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. 1-4, a guide wire for coronary artery intervention comprises a stainless steel spring 3, a core wire body structure 4 is arranged on one side of the stainless steel spring 3, a head end 1 is arranged on one side of a gold spring 2, and a PTFE coating 5 is arranged outside the core wire body structure 4;
the head end 1 adopts a welding mode to weld and fix the stainless steel spring 3 and the core wire body structure 4;
specifically, as shown in fig. 1 and 2, in the coronary intervention operation, when a coronary artery stenosis reaches the far end of a blood vessel, a balloon catheter or a stent is conveyed to the stenosis part to provide a "track" for pressurization and expansion by means of a guide wire, a gold spring 2 is fixed at the near end of a stainless steel spring 3 inside the guide wire in the use process, the development effect of the guide wire under the radiographic development of external machine equipment can be increased during use, the specific position of the guide wire in the body of a patient in the operation treatment can be conveniently tracked, the burden of medical staff is reduced, the operation of medical staff is facilitated, the success rate of the coronary intervention operation is improved, the development performance of the guide wire is enhanced, the tracking performance of the guide wire is improved, and the operation of the medical staff is facilitated.
Example 2: the core wire body structure 4 consists of a stainless steel core wire 401, a nickel-titanium alloy core wire 402, a connecting pointed tip 403 and a welding block 404, wherein the welding block 404 is welded on one side of the stainless steel core wire 401, the nickel-titanium alloy core wire 402 is welded on one side of the welding block 404, and the connecting pointed tip 403 is fixedly connected on one side of the nickel-titanium alloy core wire 402;
the stainless steel core wire 401 and the nickel-titanium alloy core wire 402 penetrate through the inner parts of the gold spring 2 and the stainless steel spring 3;
the outer surfaces of the stainless steel core wire 401 and the nickel-titanium alloy core wire 402 are respectively coated with a PTFE coating 5;
one side of the core filament body structure 4 is a thin end, and the other side of the core filament body structure 4 is a thick end;
specifically, as shown in fig. 1 and 3, a PTFE coating 5 is disposed on the outside of the core wire body structure 4, the core wire body structure 4 is formed by welding a stainless steel core wire 401 and a nitinol core wire 402, and at the same time, the outside of the stainless steel core wire 401 and the nitinol core wire 402 are respectively coated with the PTFE coating 5, and the PTFE coating 5 provides a lubricating medium between the guide wire and the catheter, so that the pushing capability of the guide wire in the catheter is improved, and the purpose of improving the pushing capability of the guide wire in the catheter is achieved.
Example 3: the other side of the stainless steel spring 3 is provided with a gold spring 2, the surfaces of the gold spring 2 and the stainless steel spring 3 are respectively coated with a hydrophilic coating 6, and the hydrophilic coatings 6 are arranged outside the gold spring 2 and the stainless steel spring 3;
the stainless steel spring 3 is sleeved outside the thin end of the core filament body structure 4;
the stainless steel spring 3 is connected with the gold spring 2 in a welding way;
specifically, as shown in fig. 1 and 4, the stainless steel spring 3 and the gold spring 2 are coated with the hydrophilic coating 6 on the outer portions thereof, so that the friction between the guide wire and the cardiovascular system can be reduced in the body of the patient during the use of the guide wire, thereby reducing the stimulation to the vessel wall of the body of the patient and reducing the damage to the cardiovascular system of the patient.
The working principle is as follows: when the invention is used, in the coronary intervention operation, the coronary artery stenosis reaches the far end of a blood vessel, a balloon catheter or a stent is required to provide a track for pressurizing and expanding the stenosis by means of a guide wire, the gold spring 2 is fixed at the near end of the stainless steel spring 3 in the guide wire in the use process, the development effect of the guide wire under the radiographic development of external machine equipment can be increased in the use process, the specific position of the guide wire in the body of a patient in the operation treatment can be conveniently tracked, the burden of medical staff is reduced, the operation of the medical staff is convenient, the hydrophilic coating 6 is respectively coated on the outer parts of the stainless steel spring 3 and the gold spring 2, the friction force between the guide wire and the cardiovascular can be reduced in the body of the patient in the use process of the guide wire, thereby the stimulation to the body vessel wall of the patient is reduced, and the injury to the cardiovascular of, the core wire body structure 4 is formed by welding the stainless steel core wire 401 and the nickel-titanium alloy core wire 402, the PTFE coating layers 5 are coated on the outer portions of the stainless steel core wire 401 and the nickel-titanium alloy core wire 402 respectively, the PTFE coating layers 5 provide lubricating media for the guide wire and the catheter, the pushing capacity of the guide wire in the catheter is improved, and the success rate of coronary intervention surgery is greatly improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A guide wire for coronary intervention, comprising a stainless steel spring (3), characterized in that: one side of stainless steel spring (3) is provided with core filament structure (4), the opposite side of stainless steel spring (3) is provided with gold spring (2), one side of gold spring (2) is provided with head end (1), the outside of core filament structure (4) is provided with PTFE coating (5), the outside of gold spring (2) and stainless steel spring (3) is provided with hydrophilic coating (6).
2. A guide wire for coronary intervention according to claim 1, wherein: the core wire body structure (4) is composed of a stainless steel core wire (401), a nickel-titanium alloy core wire (402), a connecting tip (403) and a welding block (404), the welding block (404) is welded on one side of the stainless steel core wire (401), the nickel-titanium alloy core wire (402) is welded on one side of the welding block (404), and the connecting tip (403) is fixedly connected on one side of the nickel-titanium alloy core wire (402).
3. A guide wire for coronary intervention according to claim 1, wherein: one side of the core filament structure (4) is a thin end, and the other side of the core filament structure (4) is a thick end.
4. A guide wire for coronary intervention according to claim 1, wherein: the stainless steel spring (3) is sleeved outside the thin end of the core wire body structure (4).
5. A guide wire for coronary intervention according to claim 2, wherein: the stainless steel core wire (401) and the nickel-titanium alloy core wire (402) penetrate through the interiors of the gold spring (2) and the stainless steel spring (3).
6. A guide wire for coronary intervention according to claim 1, wherein: the stainless steel spring (3) is connected with the gold spring (2) in a welding mode.
7. A guide wire for coronary intervention according to claim 1, wherein: the head end (1) adopts a welding mode to weld and fix the stainless steel spring (3) and the core wire body structure (4).
8. A guide wire for coronary intervention according to claim 1, wherein: the outer surfaces of the stainless steel core wire (401) and the nickel-titanium alloy core wire (402) are respectively coated with a PTFE coating (5).
9. A guide wire for coronary intervention according to claim 1, wherein: the surfaces of the gold spring (2) and the stainless steel spring (3) are respectively coated with a hydrophilic coating (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437842.3A CN113041480A (en) | 2021-04-22 | 2021-04-22 | Guide wire for coronary intervention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437842.3A CN113041480A (en) | 2021-04-22 | 2021-04-22 | Guide wire for coronary intervention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113041480A true CN113041480A (en) | 2021-06-29 |
Family
ID=76520290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110437842.3A Pending CN113041480A (en) | 2021-04-22 | 2021-04-22 | Guide wire for coronary intervention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113041480A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797424A (en) * | 2021-11-01 | 2021-12-17 | 深圳麦普奇医疗科技有限公司 | A guide wire for CTO interventional therapy |
| CN118454066A (en) * | 2024-07-09 | 2024-08-09 | 杭州亿科医疗科技有限公司 | Vascular intervention catheter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188300A (en) * | 2010-03-02 | 2011-09-21 | 微创医疗器械(上海)有限公司 | Aneurismal surgical device |
| CN102488578A (en) * | 2011-12-14 | 2012-06-13 | 湖南瑞康通科技发展有限公司 | Quick blood flow reconstruction device and preparation method thereof |
| CN206414602U (en) * | 2016-07-07 | 2017-08-18 | 刘娜 | A kind of seal wire of built-in fiber sensor |
| CN107362437A (en) * | 2017-08-03 | 2017-11-21 | 湖南埃普特医疗器械有限公司 | A kind of predilation seal wire and preparation method thereof |
-
2021
- 2021-04-22 CN CN202110437842.3A patent/CN113041480A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188300A (en) * | 2010-03-02 | 2011-09-21 | 微创医疗器械(上海)有限公司 | Aneurismal surgical device |
| CN102488578A (en) * | 2011-12-14 | 2012-06-13 | 湖南瑞康通科技发展有限公司 | Quick blood flow reconstruction device and preparation method thereof |
| CN206414602U (en) * | 2016-07-07 | 2017-08-18 | 刘娜 | A kind of seal wire of built-in fiber sensor |
| CN107362437A (en) * | 2017-08-03 | 2017-11-21 | 湖南埃普特医疗器械有限公司 | A kind of predilation seal wire and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797424A (en) * | 2021-11-01 | 2021-12-17 | 深圳麦普奇医疗科技有限公司 | A guide wire for CTO interventional therapy |
| CN118454066A (en) * | 2024-07-09 | 2024-08-09 | 杭州亿科医疗科技有限公司 | Vascular intervention catheter |
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Application publication date: 20210629 |