CN113827846A - TAVR seal wire - Google Patents
TAVR seal wire Download PDFInfo
- Publication number
- CN113827846A CN113827846A CN202111316932.3A CN202111316932A CN113827846A CN 113827846 A CN113827846 A CN 113827846A CN 202111316932 A CN202111316932 A CN 202111316932A CN 113827846 A CN113827846 A CN 113827846A
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- CN
- China
- Prior art keywords
- section
- soft
- tavr
- guidewire
- end cap
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- Pending
Links
- 239000003814 drug Substances 0.000 claims abstract description 21
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims 1
- 210000000709 aorta Anatomy 0.000 abstract description 4
- 210000005242 cardiac chamber Anatomy 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 4
- 230000002107 myocardial effect Effects 0.000 abstract description 3
- 210000004204 blood vessel Anatomy 0.000 description 7
- 238000000465 moulding Methods 0.000 description 4
- 210000005240 left ventricle Anatomy 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 210000003709 heart valve Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000010618 wire wrap Methods 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2466—Delivery devices therefor
-
- 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
- A61M25/09041—Mechanisms for insertion of guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
-
- 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
- A61M2025/091—Guide wires having a lumen for drug delivery or suction
-
- 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
- A61M2025/09175—Guide wires having specific characteristics at the distal tip
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a TAVR guide wire, which comprises a pushing rod section, wherein a soft section is arranged at one end of the pushing rod section; the soft sharp section is a gradual change section, the outer layers of the pushing rod section, the soft section and the soft sharp section are integrally provided with the guide wire sheaths of PTFE stainless steel wire windings, the integral flexibility and supporting performance of the device are improved, most of products are not provided with the head end in a shaping mode, the tip end cap of the device is shaped, the radian of the tip end cap of the device is matched with the size and the shape of a heart chamber, the operation safety and efficiency are improved, complications such as myocardial perforation and the like caused by valve conveying are reduced, the heart chamber is not prone to slipping out, damage to the aorta in valve conveying is avoided to a large extent, meanwhile, under the condition of time emergency, a user can inject medicine into the medicine channel through the tail end cap and the round hole, and then the medicine directly reaches a diseased part through the round hole in the tip end cap, and therefore the time can be effectively saved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a TAVR guide wire.
Background
Guidewires are medical devices used to guide catheters, stents, etc. to a target site within a blood vessel or other lumen. In operation, when the guide wire passes through a particularly tortuous blood vessel, the angle needs to be adjusted at any time so as to smoothly pass through the blood vessel. The guide wire needs to have a soft tip during surgery while having good maneuverability and pushability of the proximal end, while requiring the guide wire to be of a suitable size and configuration. However, due to the complexity of the lesion site and the bending property of the blood vessel itself, the conventional straight guide wire or the conventional bent guide wire is difficult to simultaneously achieve the above properties, and is limited when entering the blood vessel. However, the existing guide wire relates to heart valve operation, the supporting force of the guide wire in the left ventricle is not enough, and meanwhile, the time cannot be effectively saved to deliver the medicine, so that the operation safety and efficiency are reduced, and in order to solve the problems, the TAVR guide wire is provided.
SUMMARY OF THE PATENT FOR INVENTION
The invention aims to provide a TAVR guide wire which has the advantages of improving the supporting force of the guide wire on the left ventricle and effectively saving time for delivering medicaments, and solves the problems that the existing guide wire relates to heart valve operation, the supporting force of the guide wire on the left ventricle is insufficient, and the time cannot be effectively saved for delivering the medicaments.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a TAVR seal wire, includes the propelling movement pole section, the one end of propelling movement pole section is provided with soft section, the one end and the propelling movement pole section installation of soft section, the other end of soft section is provided with soft sharp section, the one end and the soft section bolt joint of soft sharp section, the surface of propelling movement pole section, soft section and soft sharp section all wraps up the winding has the seal wire sheath, the medicine passageway has all been seted up to the inside of propelling movement pole section, soft section and soft sharp section.
Preferably, the other end of the soft tip section is provided with a tip cap, and one side of the tip cap is installed with the soft tip section.
Preferably, one side of the tip cap is shaped into an arc.
Preferably, the pushing rod section, the soft section and the soft tip section are all made of 304 stainless steel materials.
Preferably, the guidewire sheath is made of a PTFE stainless steel wire wrap.
Preferably, the diameter of the soft sharp section from one end to the other end is gradually deformed.
Preferably, the other end of the pushing rod section is provided with a tail end cap, one side of the tail end cap is installed with the pushing rod section, and round holes are formed in the tip end cap and the tail end cap.
Preferably, the surface of the guide wire sheath is processed with a hydrophilic coating.
Preferably, the push rod section has certain hardness and good pushing force.
Preferably, the soft segment has certain flexibility and good shaping force.
Compared with the prior art, the invention has the following beneficial effects:
the soft sharp section is a gradual change section, the outer layers of the pushing rod section, the soft section and the soft sharp section are integrally provided with the guide wire sheaths of PTFE stainless steel wire windings, the integral flexibility and supporting performance of the device are improved, most of products are not provided with the head end in a shaping mode, the tip end cap of the device is shaped, the radian of the tip end cap of the device is matched with the size and the shape of a heart chamber, the operation safety and efficiency are improved, complications such as myocardial perforation and the like caused by valve conveying are reduced, the heart chamber is not prone to slipping out, damage to the aorta in valve conveying is avoided to a large extent, meanwhile, under the condition of time emergency, a user can inject medicine into the medicine channel through the tail end cap and the round hole, and then the medicine directly reaches a diseased part through the round hole in the tip end cap, and therefore the time can be effectively saved.
Drawings
FIG. 1 is a front view of the inventive structure;
FIG. 2 is a front view of a partial structure of the present invention;
FIG. 3 is a side view of a portion of the present invention;
fig. 4 is a partial enlarged view of the invention at a in fig. 2.
In the figure: 1. pushing the rod section; 2. a soft segment; 3. a soft tip section; 4. a guide wire sheath; 5. a tip cap; 6. a tail end cap; 7. a circular hole; 8. a drug channel.
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, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
Example 1
Referring to fig. 1-4, a TAVR guide wire includes a pushing rod section 1, one end of the pushing rod section 1 is provided with a soft section 2, one end of the soft section 2 is mounted with the pushing rod section 1, and the other end of the soft section 2 is provided with a soft tip section 3, the soft tip section 3 of the TAVR guide wire is a gradual change section, and the outer layers of the pushing rod section 1, the soft section 2 and the soft tip section 3 are integrally provided with a guide wire sheath 4 of PTFE stainless steel wire winding, so that the overall flexibility and supporting performance of the TAVR guide wire is improved, and most of the existing products are not shaped at the head end.
In this embodiment, the other end of soft sharp section 3 is provided with tip cap 5, and one side and the installation of soft sharp section 3 of tip cap 5, through setting up tip cap 5, its moulding and radian and ventricle size and shape phase-match.
In this embodiment, one side of tip cap 5 is moulding to be the arc, through setting up tip cap 5, has promoted operation security and efficiency.
In this embodiment, the pushing rod section 1, the soft section 2 and the soft tip section 3 are all made of 304 stainless steel material.
In this embodiment, the guide wire sheath 4 is made of PTFE stainless steel wire, and by providing the guide wire sheath 4, excellent tip tactile feedback is provided, enhancing visibility thereof.
In this embodiment, the diameter from one end of the soft tip section 3 to the other end is gradually deformed, and the gradual deformation is designed, so that the memory of a user can be conveniently and flexibly controlled.
Example 2
Referring to fig. 1-4, in a TAVR guidewire, one end of a soft tip section 3 is bolted to a soft section 2, the surfaces of a push rod section 1, the soft section 2 and the soft tip section 3 are wrapped and wound with a guidewire sheath 4, the interiors of the push rod section 1, the soft section 2 and the soft tip section 3 are all provided with a drug channel 8, the device has the advantages that the tip cap 5 is shaped, the radian is matched with the size and the shape of the ventricle, the operation safety and the operation efficiency are improved, the complications such as myocardial perforation and the like brought by valve conveying are reduced, the valve is not easy to slip out of the ventricle, the aorta is prevented from being damaged during valve conveying to a great extent, simultaneously in the urgent condition of time, the user can inject the medicine into the inside of medicine passageway 8 through tail end cap 6 and round hole 7, and the medicine is through the sick department of falling ill of round hole 7 of tip end cap 5 inside afterwards to can effectively save time with the medicine delivery.
In this embodiment, the other end of push rod section 1 is provided with tail end cap 6, and one side and the installation of push rod section 1 of tail end cap 6, round hole 7 have all been seted up to the inside of most advanced cap 5 and tail end cap 6, through setting up tail end cap 6, can effectively install fixedly to seal wire sheath 4.
In this embodiment, the surface of the guide wire sheath 4 is processed with a hydrophilic coating, and the hydrophilic coating is arranged, so that the friction force between the guide wire sheath and the blood vessel wall is reduced, the interaction between instruments is improved, and the tracking performance of the guide wire sheath in the blood vessel is improved.
In this embodiment, the pushing rod segment 1 has a certain hardness and a good pushing force.
In this embodiment, the soft segment 2 has a certain flexibility and a good shaping force.
The working principle is as follows: the device's soft sharp section 3 is the gradual change section, and propelling movement pole section 1, soft section 2 and soft sharp section 3's outer whole guide wire sheath 4 that is equipped with the PTFE stainless steel wire winding, the holistic softness and the support performance of the device have been promoted, present product is mostly the head end not moulding, and device tip cap 5 moulding and radian and ventricle size and shape phase-match, operation security and efficiency have been promoted, the complications such as cardiac muscle perforation brought when having reduced the valve and carrying, and be difficult to the slippage and go out the ventricle, damage aorta in the valve transport is avoided to a great extent, simultaneously under the urgent condition of time, the user can inject into medicine passageway 8's inside through tail end cap 6 and round hole 7 with the medicine, the medicine is through the direct department of falling ill of 5 inside round hole 7 of tip cap afterwards, thereby can effectively save time reach the medicine.
Although embodiments of the present patent 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 present patent, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A TAVR guidewire, comprising a push rod segment (1), characterized in that: the one end of propelling movement pole section (1) is provided with soft section (2), the one end and the propelling movement pole section (1) installation of soft section (2), the other end of soft section (2) is provided with soft sharp section (3), the one end and the soft section (2) bolt joint of soft sharp section (3), the surface of propelling movement pole section (1), soft section (2) and soft sharp section (3) all wraps up the winding has seal wire sheath (4), medicine passageway (8) have all been seted up to the inside of propelling movement pole section (1), soft section (2) and soft sharp section (3).
2. The TAVR guidewire of claim 1, wherein: the other end of soft sharp section (3) is provided with tip cap (5), one side and the installation of soft sharp section (3) of tip cap (5).
3. The TAVR guidewire of claim 1, wherein: one side of the tip cap (5) is shaped into an arc.
4. The TAVR guidewire of claim 1, wherein: the pushing rod section (1), the soft section (2) and the soft tip section (3) are all made of 304 stainless steel materials.
5. The TAVR guidewire of claim 1, wherein: the guide wire sheath (4) is made of PTFE stainless steel winding wires.
6. The TAVR guidewire of claim 1, wherein: the diameter from one end of the soft sharp section (3) to the other end is gradually deformed.
7. The TAVR guidewire of claim 2, wherein: the other end of propelling movement pole section (1) is provided with tail end cap (6), one side and propelling movement pole section (1) installation of tail end cap (6), round hole (7) have all been seted up to the inside of point end cap (5) and tail end cap (6).
8. The TAVR guidewire of claim 1, wherein: the surface of the guide wire sheath (4) is processed with a hydrophilic coating.
9. The TAVR guidewire of claim 1, wherein: the push rod section (1) has certain hardness and good push force.
10. The TAVR guidewire of claim 1, wherein: the soft section (2) has certain flexibility and good shaping force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316932.3A CN113827846A (en) | 2021-11-09 | 2021-11-09 | TAVR seal wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316932.3A CN113827846A (en) | 2021-11-09 | 2021-11-09 | TAVR seal wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113827846A true CN113827846A (en) | 2021-12-24 |
Family
ID=78971294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111316932.3A Pending CN113827846A (en) | 2021-11-09 | 2021-11-09 | TAVR seal wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113827846A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070129682A1 (en) * | 2005-12-02 | 2007-06-07 | Tracee Eidenschink | Guidewire with perfusion capability |
| CN202859876U (en) * | 2009-12-28 | 2013-04-10 | 泰尔茂株式会社 | Guide wire |
| CN202876051U (en) * | 2012-11-09 | 2013-04-17 | 深圳市昕力医疗设备开发有限公司 | Movable guide wire for core wire |
| US20150119847A1 (en) * | 2013-10-29 | 2015-04-30 | Medwerks, Llc | Atraumatic Guidewire And Method Of Use |
| US20150290432A1 (en) * | 2012-11-21 | 2015-10-15 | Concert Medical, Llc | Preformed guidewire |
| 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 |
| CN208694013U (en) * | 2017-08-07 | 2019-04-05 | 广州蓝略医疗器械有限公司 | A kind of superhard exchange guidewire |
| CN209450730U (en) * | 2018-05-18 | 2019-10-01 | 李征 | A kind of device for the clinical medical protective cradle conveying of coronary heart disease |
-
2021
- 2021-11-09 CN CN202111316932.3A patent/CN113827846A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070129682A1 (en) * | 2005-12-02 | 2007-06-07 | Tracee Eidenschink | Guidewire with perfusion capability |
| CN202859876U (en) * | 2009-12-28 | 2013-04-10 | 泰尔茂株式会社 | Guide wire |
| CN202876051U (en) * | 2012-11-09 | 2013-04-17 | 深圳市昕力医疗设备开发有限公司 | Movable guide wire for core wire |
| US20150290432A1 (en) * | 2012-11-21 | 2015-10-15 | Concert Medical, Llc | Preformed guidewire |
| US20150119847A1 (en) * | 2013-10-29 | 2015-04-30 | Medwerks, Llc | Atraumatic Guidewire And Method Of Use |
| 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 |
| CN208694013U (en) * | 2017-08-07 | 2019-04-05 | 广州蓝略医疗器械有限公司 | A kind of superhard exchange guidewire |
| CN209450730U (en) * | 2018-05-18 | 2019-10-01 | 李征 | A kind of device for the clinical medical protective cradle conveying of coronary heart disease |
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