CN220967347U - Femoral artery blood vessel occluder - Google Patents
Femoral artery blood vessel occluder Download PDFInfo
- Publication number
- CN220967347U CN220967347U CN202321845306.8U CN202321845306U CN220967347U CN 220967347 U CN220967347 U CN 220967347U CN 202321845306 U CN202321845306 U CN 202321845306U CN 220967347 U CN220967347 U CN 220967347U
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- Prior art keywords
- memory metal
- umbrella
- metal strips
- memory
- shaped
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- 210000001105 femoral artery Anatomy 0.000 title claims description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 95
- 239000002184 metal Substances 0.000 claims abstract description 95
- 150000002739 metals Chemical class 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 230000002792 vascular Effects 0.000 claims description 8
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 3
- 206010053648 Vascular occlusion Diseases 0.000 claims description 3
- 208000021331 vascular occlusion disease Diseases 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 abstract description 13
- 208000036376 Femoral artery occlusion Diseases 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model provides a femoral artery occlusion device, which has a simple design structure, can carry out secondary occlusion on a blood vessel, improves the occlusion effect of the blood vessel, is convenient for leading a protective film to enter a flexible pipe along with a plurality of memory metals, is convenient to retract and use, comprises a flexible pipe, an embedded pipe is movably arranged in the flexible pipe, a plurality of memory metals are movably arranged in the embedded pipe, metal balls are arranged at the front ends of the memory metals, the protective film is movably arranged at the outer sides of the memory metals, a lantern ring is movably arranged at the outer sides of the embedded pipe, a plurality of umbrella-shaped memory metal strips are arranged at the front sides of the lantern ring, the front ends of the umbrella-shaped memory metal strips are provided with the same guide ring, the memory metals are movably connected with the inner sides of the guide ring, and a plurality of connecting wires are arranged at the inner sides of the protective film and fixedly connected with the corresponding memory metals; the memory metal drives the protective film to move and spread through the connecting wire.
Description
Technical Field
The utility model relates to the technical field of vascular occlusion, in particular to a femoral artery vascular occlusion device.
Background
When the interventional method is used for treating cardiovascular diseases, a guide sheath is inserted into an artery through the epidermis, then interventional devices such as a balloon catheter and a coronary stent are inserted through the guide sheath, and when the guide sheath exits after the operation, the wound is blocked. It is also often necessary to occlude vascular wounds after intervention in other blood vessels. There are three types of arterial occluders that are currently in clinical use: one is an arterial stapler that uses a degradable surgical wire or nitinol wire.
The existing plugging mode is complex in operation and inconvenient to retract and release the plugging structure.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model solves the technical problems as follows: the existing plugging mode is complex in operation, is inconvenient to retract and release the plugging structure, and provides the femoral artery vascular plugging device.
To achieve the above object, the present utility model provides:
The utility model provides a femoral artery vascular occluder, includes the flexible pipe, the inside movable mounting of flexible pipe has the embedding pipe, the intraductal movable mounting of embedding has a plurality of memory metal, a plurality of memory metal's front end all is provided with the metal ball, a plurality of memory metal's the outside all movable mounting has the protection film, the outside movable mounting of embedding pipe has the lantern ring, a plurality of umbrella-shaped memory metal strips are installed to the front side of lantern ring, a plurality of umbrella-shaped memory metal strips's front end is installed same guide ring, a plurality of memory metal all with the inboard swing joint of guide ring.
Preferably, a plurality of connecting wires are arranged on the inner side of the protective film, and the connecting wires are fixedly connected with the corresponding memory metals; the memory metal drives the protective film to move and spread through the connecting wire.
Preferably, the umbrella-shaped memory metal strips are arranged in an umbrella shape, and plugging films are arranged on the outer sides of the umbrella-shaped memory metal strips; the lantern ring pushes the umbrella-shaped memory metal strips to fold and bend, so that the umbrella-shaped memory metal strips are in an umbrella-shaped state, the umbrella-shaped memory metal strips want to be expanded by the plugging membrane, and the blood vessel can be plugged.
Preferably, a metal spring is sleeved on the outer side of the embedded pipe, and the metal spring is made of titanium alloy.
Preferably, the outer sides of the umbrella-shaped memory metal strips and the memory metal are both sprayed with a nano titanium nitride coating.
Preferably, the plurality of memory metals are connected with the same connecting sleeve, and the outer side of the connecting sleeve is provided with a handle; the plurality of memory metals are controlled by the handle and the connecting sleeve.
Compared with the prior art, the utility model has the advantages that:
1. When the flexible tube is inserted into a blood vessel and moved to a position where the heart blood vessel needs to be blocked, the connecting sleeve is pushed by the handle, the connecting sleeve controls a plurality of memory metals at one time, the memory metals leave the flexible tube and are bent to be in a hook shape state, and the memory metals pull the blocking film through the connecting wires, so that the blocking film can be spread, and the first blocking can be performed;
2. Pushing the metal spring to extrude the lantern ring, and pushing the umbrella-shaped memory metal strips to fold and bend by the lantern ring, so that the umbrella-shaped memory metal strips are in an umbrella-shaped state, and the umbrella-shaped memory metal strips want to be expanded by the plugging film, so that the blood vessel can be plugged;
3. After the plugging is finished, the metal spring is pulled firstly, so that the umbrella-shaped memory metal strips are reset and straightened and enter the flexible pipe, the connecting sleeve is driven by the pulling handle, the connecting sleeve drives the memory metals to shrink into the flexible pipe, and the protective film enters the flexible pipe along with the memory metals, so that the protective film is convenient to retract and use;
The utility model has simple structure, can carry out secondary blocking on the blood vessel, improves the blocking effect of the blood vessel, facilitates the protective film to enter the flexible tube along with a plurality of memory metals, and is convenient to retract and use.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present design;
FIG. 2 is a schematic diagram showing the structure of the protective film and the memory metals in the state of expanding and plugging;
FIG. 3 is a schematic diagram showing the structure of the expansion of the umbrella-shaped memory metal strips and the plugging film in the present design.
In the figure: 1. a flexible tube; 2. embedding a tube; 3. a metal spring; 4. a collar; 5. umbrella-shaped memory metal strips; 6. a guide ring; 7. a memory metal; 8. a metal ball; 9. a protective film; 10. a connecting wire; 11. a blocking film; 12. a connecting sleeve; 13. a handle.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-3, a femoral artery blood vessel plugging device comprises a flexible tube 1, wherein an embedded tube 2 is movably arranged in the flexible tube 1, a plurality of memory metals 7 are movably arranged in the embedded tube 2, metal balls 8 are arranged at the front ends of the memory metals 7, protective films 9 are movably arranged at the outer sides of the memory metals 7, a lantern ring 4 is movably arranged at the outer side of the embedded tube 2, a plurality of umbrella-shaped memory metal strips 5 are arranged at the front side of the lantern ring 4, the same guide ring 6 is arranged at the front ends of the umbrella-shaped memory metal strips 5, the memory metals 7 are movably connected with the inner sides of the guide ring 6, and nano titanium nitride plating layers are sprayed on the outer sides of the umbrella-shaped memory metal strips 5 and the memory metals 7.
In the embodiment, a plurality of connecting wires 10 are arranged on the inner side of the protective film 9, and the connecting wires 10 are fixedly connected with the corresponding memory metal 7; the memory metal 7 drives the protective film 9 to move and open through the connecting wire 10.
In this embodiment, the umbrella-shaped memory metal strips 5 are arranged in an umbrella shape, and the plugging films 11 are arranged on the outer sides of the umbrella-shaped memory metal strips 5; the lantern ring 4 pushes the umbrella-shaped memory metal strips 5 to fold and bend, so that the umbrella-shaped memory metal strips 5 are in an umbrella-shaped state, and the umbrella-shaped memory metal strips 5 want to be expanded by the plugging film 11, so that a blood vessel can be plugged.
In this embodiment, a metal spring 3 is sleeved on the outer side of the embedded pipe 2, and the metal spring 3 is made of titanium alloy.
In this embodiment, the same connecting sleeve 12 is connected to the plurality of memory metals 7, and a handle 13 is installed on the outer side of the connecting sleeve 12; the plurality of memory metals 7 are controlled by the handle 13 and the connecting sleeve 12.
Working principle: when the flexible tube 1 is inserted into a blood vessel and moved to a position where a heart blood vessel needs to be plugged, the connecting sleeve 12 is pushed by the handle 13, the connecting sleeve 12 controls the memory metals 7 at one time, the memory metals 7 leave the flexible tube 1 and bend into a hook-shaped state, the memory metals 7 pull the plugging film 11 through the connecting wires 10, the plugging film 11 can be unfolded, then the metal springs 3 are pushed to extrude the lantern ring 4, the lantern ring 4 pushes the umbrella-shaped memory metal strips 5 to fold and bend, the umbrella-shaped memory metal strips 5 are in an umbrella-shaped state, the umbrella-shaped memory metal strips 5 want to be unfolded to plug the film 11, the blood vessel can be plugged, after the plugging is completed, the metal springs 3 are pulled firstly, the umbrella-shaped memory metal strips 5 are reset and straighten and enter the flexible tube 1, the connecting sleeve 12 is driven by pulling the handle 13, the memory metals 7 are driven by the connecting sleeve 12 to shrink into the flexible tube 1, the protective film 9 is enabled to enter the flexible tube 1 along with the memory metals 7, and the umbrella-shaped memory metal strips 5 are convenient to be folded and used.
The utility model is not limited to the above-mentioned best mode, any person can obtain other various products under the teaching of the utility model, but any change in shape or structure is within the scope of protection of the utility model, and all the technical schemes are the same or similar to the utility model.
Claims (6)
1. The utility model provides a femoral artery vascular occlusion device, includes flexible pipe (1), and flexible pipe (1)'s inside movable mounting has embedded pipe (2), its characterized in that: a plurality of memory metal (7) are movably mounted in the embedded pipe (2), metal balls (8) are arranged at the front ends of the memory metal (7), protective films (9) are movably mounted on the outer sides of the memory metal (7), a lantern ring (4) is movably mounted on the outer sides of the embedded pipe (2), a plurality of umbrella-shaped memory metal strips (5) are mounted on the front sides of the lantern ring (4), the same guide ring (6) is mounted at the front ends of the umbrella-shaped memory metal strips (5), and the memory metal (7) are movably connected with the inner sides of the guide rings (6).
2. A femoral vascular occluder according to claim 1, wherein: the inner side of the protective film (9) is provided with a plurality of connecting wires (10), and the connecting wires (10) are fixedly connected with the corresponding memory metal (7).
3. A femoral vascular occluder according to claim 1, wherein: the umbrella-shaped memory metal strips (5) are arranged in an umbrella shape, and plugging films (11) are arranged on the outer sides of the umbrella-shaped memory metal strips (5).
4. A femoral vascular occluder according to claim 1, wherein: the outside cover of embedded pipe (2) is equipped with metal spring (3), and metal spring (3) are titanium alloy material.
5. A femoral vascular occluder according to claim 1, wherein: the outer sides of the umbrella-shaped memory metal strips (5) and the memory metal strips (7) are both sprayed with nano titanium nitride plating layers.
6. A femoral vascular occluder according to claim 1, wherein: the memory metals (7) are connected with the same connecting sleeve (12), and a handle (13) is arranged on the outer side of the connecting sleeve (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321845306.8U CN220967347U (en) | 2023-07-13 | 2023-07-13 | Femoral artery blood vessel occluder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321845306.8U CN220967347U (en) | 2023-07-13 | 2023-07-13 | Femoral artery blood vessel occluder |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220967347U true CN220967347U (en) | 2024-05-17 |
Family
ID=91035504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321845306.8U Active CN220967347U (en) | 2023-07-13 | 2023-07-13 | Femoral artery blood vessel occluder |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220967347U (en) |
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2023
- 2023-07-13 CN CN202321845306.8U patent/CN220967347U/en active Active
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