CN114451959A - Thrombus catching device - Google Patents
Thrombus catching device Download PDFInfo
- Publication number
- CN114451959A CN114451959A CN202210032499.9A CN202210032499A CN114451959A CN 114451959 A CN114451959 A CN 114451959A CN 202210032499 A CN202210032499 A CN 202210032499A CN 114451959 A CN114451959 A CN 114451959A
- Authority
- CN
- China
- Prior art keywords
- mesh
- metal mesh
- support
- stent
- capture device
- Prior art date
- 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.)
- Pending
Links
- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 51
- 229910052751 metal Inorganic materials 0.000 claims abstract description 109
- 239000002184 metal Substances 0.000 claims abstract description 109
- 238000012800 visualization Methods 0.000 claims description 6
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 5
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims description 4
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [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 claims description 4
- DTJAVSFDAWLDHQ-UHFFFAOYSA-N [Cr].[Co].[Pt] Chemical compound [Cr].[Co].[Pt] DTJAVSFDAWLDHQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 3
- -1 Polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- KGXDGSMJNUPTEQ-UHFFFAOYSA-N [Ti].[Ni].[Pt] Chemical compound [Ti].[Ni].[Pt] KGXDGSMJNUPTEQ-UHFFFAOYSA-N 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical compound [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present disclosure relates to a thrombus capture device, including: an outer sheath; a push guide wire arranged in the outer sheath tube; the first developing mark is arranged at the far end of the push guide wire, the far end of the first developing mark is provided with a metal net support, the near end of the metal net support is connected with the far end of the push guide wire through the first developing mark, and the metal net support is of a structure with gradually changed large meshes and gradually changed small meshes or alternatively arranged; a supporting spring or a heat shrinkable tube is arranged between the metal mesh support and the pushing guide wire to support the metal mesh support, or a supporting spring coated with a heat shrinkable tube can be arranged to support, and the near end of the supporting spring is connected with the far end of the pushing guide wire in a code carving riveting or welding or code carving riveting and welding mode. This openly adopts the metal mesh support of big small mesh gradual change formula, both can guarantee the compliance of metal mesh, can guarantee the ability of support embedding thrombus again, can also solve the problem that the thrombus easily drops when the support body withdraws to improve the device is arrested to the thrombus and arrest rate and success rate.
Description
Technical Field
The disclosure relates to the field of medical equipment, in particular to a thrombus capture device.
Background
There are two main types of metal stents that remove thrombus in a blood vessel, one is a closed-loop stent and the other is an open-loop stent. Open-loop stents are more flexible than closed-loop stents, but some open-loop stents are at risk of emboli escaping due to the small mesh size; and the mesh of part open-loop stent is too big, which can cause the weak capability of embedding thrombus in the metal stent, thereby the thrombus extraction effect is not good.
Disclosure of Invention
In order to overcome the defects of the prior art, the present disclosure aims to provide a thrombus capture device to solve the existing technical problems.
In order to achieve the above object, the present disclosure provides a thrombus capture device, comprising:
an outer sheath tube;
a push guidewire disposed within the outer sheath;
a first visualization marker disposed at a distal end of the push guidewire;
a proximal end of the metal mesh stent is indirectly connected with a distal end of the push guidewire through the first visualization mark; the metal net support is of a large and small mesh gradual change structure or a large and small mesh alternate structure.
In some aspects, the apparatus further comprises:
the supporting spring is arranged at the far end of the pushing guide wire, the near end of the supporting spring is connected with the far end of the pushing guide wire, and the far end of the supporting spring is connected with the first developing mark.
In some aspects, the apparatus further comprises:
the heat shrink tube is arranged at the far end of the pushing guide wire, the near end of the heat shrink tube is connected with the far end of the pushing guide wire, and the far end of the heat shrink tube is connected with the first developing mark.
In some aspects, the mesh openings of the metal mesh stent include large mesh openings and small mesh openings.
In some aspects, the large mesh openings are located at a proximal end of the metal mesh stent;
the small mesh openings are located at the distal end of the metal mesh stent.
In some embodiments, the mesh of the metal mesh stent is composed of half of large mesh and half of small mesh from the distal end.
In some embodiments, the mesh of the metal mesh stent consists of half of small mesh and half of large mesh from the distal end.
In some embodiments, the meshes of the metal mesh stent are sequentially alternated from the far end by a single large mesh, a half large mesh and a half small mesh.
In some embodiments, the mesh openings of the metal mesh stent are sequentially alternated from the distal end by a single small mesh opening, a half small mesh opening and a half large mesh opening.
In some aspects, the distal end of the metal mesh stent is provided with a second visualization marker;
and a third developing mark is arranged at the near end of the effective section of the metal mesh bracket.
In some embodiments, the metal mesh stent is made of nitinol, cobalt-chromium alloy, nitinol DFT (Drawn Filled Tube), or cobalt-chromium DFT.
In some aspects, the metal mesh stent has an outer diameter of 2 to 7 mm; the length of the metal mesh support is 10-40 mm.
The embodiment of the present disclosure provides a thrombus capture device, including: the device comprises an outer sheath tube and a push guide wire arranged in the outer sheath tube, wherein the distal end of the push guide wire is provided with a first developing mark, and a metal mesh bracket is connected to the distal end of the push guide wire through the first developing mark; the metal net support adopts a structure with gradually changed or alternated meshes. A supporting spring or a heat shrinkable tube is arranged between the metal mesh support and the pushing guide wire to support the metal mesh support, and a supporting spring coated with the heat shrinkable tube can also be arranged to support. The utility model discloses a big or small mesh gradual change formula structural design's that adopts metal mesh support, both can guarantee the compliance of metal mesh, can guarantee the ability of support embedding thrombus again, the problem that the thrombus easily drops when can also solving the support body withdrawal to improve the rate of arresting and the success rate of thrombus arresting device.
Drawings
Fig. 1 is a schematic structural view of a thrombus capture device provided in an embodiment of the present disclosure;
fig. 2 is a schematic structural view of a metal mesh stent according to a first embodiment of the present disclosure;
fig. 3 is a schematic structural view of the expanded metal mesh stent provided in the second embodiment of the present disclosure;
fig. 4 is a schematic structural view of the expanded metal mesh stent provided in the third embodiment of the present disclosure;
fig. 5 is a schematic structural view illustrating the expansion of a metal mesh stent according to a fourth embodiment of the present disclosure;
fig. 6 is a schematic structural view of the expanded metal mesh stent provided in the fifth embodiment of the present disclosure;
fig. 7 is a schematic structural view of a metal mesh stent according to a sixth embodiment of the present disclosure;
fig. 8 is a schematic structural view of the expanded metal mesh stent provided by the seventh embodiment of the present disclosure.
Detailed Description
The technical solution of the present disclosure is further described in detail by the accompanying drawings and examples.
The embodiment of the present disclosure provides a thrombus capture device, including: the device comprises an outer sheath tube and a push guide wire arranged in the outer sheath tube, wherein the distal end of the push guide wire is provided with a first developing mark, and a metal mesh bracket is connected to the distal end of the push guide wire through the first developing mark; the metal net support adopts a structure with gradually changed or alternated meshes. A supporting spring or a heat shrinkable tube is arranged between the metal mesh support and the pushing guide wire to support the metal mesh support, and a supporting spring coated with the heat shrinkable tube can also be arranged to support. The size mesh gradual change formula structure or the alternate structural design's of size mesh metal mesh support that this disclosure adopted both can guarantee the compliance of metal mesh, can guarantee the ability of support embedding thrombus again, can also solve the problem that the thrombus easily drops when the support body withdraws to improve the device is arrested to the thrombus and the success rate.
The present disclosure is described in detail below with reference to specific embodiments, but it should be understood that the following embodiments are not intended to limit the present disclosure, and those skilled in the art can conceive of other similar schemes based on the concept of the present disclosure by combining and arranging specific features in the embodiments.
As discussed in this disclosure, the terms "distal" or "proximal" are used hereinafter in relation to a description of a position or orientation relative to a hand-held end of a treating physician or medical interventionalist. "distal" or "distal side" is a location that is distal to the direction of the physician or interventionalist's hand-held end, and is not limited to a particular end point, but may also be a location that is proximal to an end point. "proximal" or "proximal side" is a location near the direction of the physician or interventionalist hand-held end.
Fig. 1 is a schematic structural view of a thrombus capture device provided in an embodiment of the present disclosure; as shown in fig. 1, the thrombus capture device includes: the device comprises an outer sheath tube 1, a pushing guide wire 2, a supporting spring 3, a first developing mark 4 and a metal mesh bracket 5.
The outer sheath tube 1 is a commonly used medical catheter and is used for establishing a conveying passage of the thrombus capture device, the tube wall of the outer sheath tube 1 is designed to be a multilayer structure, the inner cavity of the outer sheath tube is a PTFE (Polytetrafluoroethylene) inner lining tube, and the outer tube can be a PA (polyamide) tube or a PE (Polyethylene) tube.
The pushing guide wire 2 used for pushing operation is arranged in the outer sheath tube 1, the far end of the pushing guide wire 2 is provided with a first developing mark 4, the near end of the metal net support 5 is indirectly connected with the far end of the pushing guide wire 2 through the first developing mark 4, and the first developing mark 4 is used for positioning the near end position of the metal net support 5 in operation; a second development mark 51 is provided at the distal end of the metal mesh support 5, the second development mark 51 may be a development spring or a development mark, and the second development mark 51 is used for positioning the distal end position of the metal mesh support 5 in operation. In order to better determine the relative position of the metal mesh stent 5 and the thrombus and improve the success rate of capturing the thrombus, a third developing mark 52 is arranged at the proximal end of the effective section of the metal mesh stent 5, the third developing mark 52 can be a developing spring or a developing mark, and the third developing mark 52 can enable an operator to more accurately position the relative position of the effective section of the metal mesh stent 5 and the thrombus and improve the success rate of operation.
The metal mesh support 5 can be formed by weaving nickel-titanium alloy wires, cobalt-chromium alloy wires, nickel-titanium-platinum DFT wires or cobalt-chromium-platinum DFT wires, or can be formed by winding the materials by using platinum iridium wires after laser engraving, and when the metal mesh support 5 is placed in the outer sheath tube 1 after being compressed, the outer diameter of the metal mesh support 5 is 2-7 mm, and the outer diameter specifications are 4mm and 6mm compared with common ones; the length of the metal net support 5 is 10-40 mm, and the length is 20mm and 30mm compared with the common length; the structure of the metal net support 5 in the unfolding state is a big and small mesh gradual change structure or a big and small mesh alternate structure, and the meshes can be sinusoidal or arc-shaped and tangent connection with straight lines.
In some preferred schemes, a support spring 3 is arranged at the distal end of the pushing guide wire 2 to support the metal mesh bracket 5, wherein the support spring 3 may be a developing spring, or may be a double-layer structure of a developing spring and a stainless steel spring. The near end of supporting spring 3 is connected with the distal end of propelling movement seal wire 2, and the distal end of supporting spring 3 is connected with first development mark 4, and supporting spring 3 sets up in sheath pipe 1, and the near end of supporting spring 3 is connected through sign indicating number riveting or welding or sign indicating number riveting with the welded mode with the distal end of propelling movement seal wire 2.
In some preferred embodiments, the metal mesh support 5 may be supported by a heat shrink tube instead of the support spring 3, and the heat shrink tube may be a PTFE heat shrink tube or a PET (Polyethylene terephthalate) heat shrink tube. The near end of the heat shrinkable tube is connected with the far end of the push guide wire 2, and the far end of the heat shrinkable tube is connected with the first developing mark 4.
In some more preferable schemes, the metal mesh support 5 can also be supported by using a support spring 3 and a heat-shrinkable tube at the same time, the support spring 3 is arranged between the push guide wire 2 and the metal mesh support 5, and the heat-shrinkable tube is covered outside the support spring 3.
Fig. 2 is a schematic structural view of the expanded metal mesh stent provided in the first embodiment of the present disclosure, as shown in fig. 2, the meshes of the metal mesh stent 5 are of a large-and-small mesh gradual-changing structure, and include large meshes 53 and small meshes 54, wherein the proximal portion of the metal mesh stent 5 is composed of large meshes 53 with a wave width of greater than or equal to 5.75mm, and the distal portion of the metal mesh stent 5 is composed of small meshes 54 with a wave width of less than 5.75mm, wherein the sizes of the meshes sequentially change from small to large from the small meshes 54 at the distal end of the metal mesh stent 5 to the large meshes 53 at the proximal end of the metal mesh stent 5, and the change ratio of the mesh wavelength is 5% to 30%; the big mesh 53 at the near end is mainly used for embedding thrombus, and the small mesh 54 at the far end is used for ensuring the flexibility of the metal mesh stent 5 and avoiding the escape of small thrombus; the width of the support rib of the metal mesh support 5 is 40-120 mu m, and the wall thickness is 40-80 mu m. In order to ensure enough thrust, the width of the near-end ribs is 50-70 mu m larger than that of the mesh ribs of the metal mesh support 5, the width of the ribs of the bifurcate part at the near end of the metal mesh support 5 is reduced in sequence by 10-50 mu m, and the angle of the bifurcate part is 10-45 degrees.
Fig. 3 is a schematic structural view of the expanded metal mesh stent provided by the second embodiment of the present disclosure, as shown in fig. 3, the meshes of the metal mesh stent 5 are of a large-mesh and small-mesh alternate structure, and include large meshes 53 and small meshes 54, wherein the large meshes 53 and the small meshes 54 are alternately arranged, the wave width of the large meshes 53 is greater than or equal to 5.75mm, and the wave width of the small meshes is less than 5.75 mm; from the far end to the near end of the metal net support 5, small meshes 54 and large meshes 53 are arranged alternately in sequence, the large meshes 53 are mainly used for embedding thrombus, and the small meshes 54 are used for ensuring the flexibility of the metal net support 5 and the pushing force.
Fig. 4 is a schematic structural view of the expanded metal mesh stent provided by the third embodiment of the present disclosure, and as shown in fig. 4, the metal mesh stent 5 is composed of first special-shaped mesh holes 55, wherein the first special-shaped mesh holes 55 are composed of half large mesh holes with a wave width of 5.75-7 mm at the proximal end and half small mesh holes with a wave width of 4-5.75 mm at the distal end, and the first special-shaped mesh holes 55 composed of half large mesh holes and half small mesh holes can enhance both the thrombus embedding capability and the pushing capability of the metal mesh stent 5.
Fig. 5 is a schematic structural view of the expanded metal mesh stent provided by the fourth embodiment of the present disclosure, and as shown in fig. 5, the metal mesh stent 5 is composed of second shaped mesh holes 56, wherein the second shaped mesh holes 56 are composed of half small mesh holes with a wave width of 4 to 5.75mm at the proximal end and half large mesh holes with a wave width of 5.75 to 7mm at the distal end, and the second shaped mesh holes 56 composed of half small mesh holes and half large mesh holes can enhance both the pushing ability and the thrombus embedding ability of the metal mesh stent 5.
Fig. 6 is a schematic structural diagram of the expanded metal mesh stent provided in the fifth embodiment of the present disclosure, and as shown in fig. 6, the metal mesh stent 5 is composed of first special-shaped mesh holes 55 and small mesh holes 54, wherein the first special-shaped mesh holes 55 and the small mesh holes 54 are alternately arranged, so that the thrombus embedding capacity and the pushing capacity of the metal mesh stent 5 can be simultaneously increased, and meanwhile, the small mesh holes 54 can prevent small thrombi from escaping.
Fig. 7 is a schematic structural view of the expanded metal mesh stent provided by the sixth embodiment of the present disclosure, and as shown in fig. 7, the metal mesh stent 5 is composed of second shaped mesh holes 56 and small mesh holes 54, wherein the second shaped mesh holes 56 and the small mesh holes 54 are alternately arranged, so that the thrombus embedding capacity and the pushing capacity of the metal mesh stent 5 can be simultaneously increased, and meanwhile, the small mesh holes 54 can prevent small thrombi from escaping.
Fig. 8 is a schematic structural diagram of the expanded metal mesh stent provided by the seventh embodiment of the present disclosure, and as shown in fig. 8, the metal mesh stent 5 is composed of second special-shaped mesh holes 56 and small mesh holes 54, wherein the small mesh holes 54 are only distributed at the distal end of the metal mesh stent 5, which can increase the thrombus embedding capacity and the pushing capacity of the metal mesh stent 5, and at the same time, the small mesh holes 54 can prevent small thrombi from escaping.
The embodiment of the present disclosure provides a thrombus capture device, including: the device comprises an outer sheath tube and a push guide wire arranged in the outer sheath tube, wherein the distal end of the push guide wire is provided with a first developing mark, and a metal mesh bracket is connected to the distal end of the push guide wire through the first developing mark; the metal net support adopts a structure with gradually changed or alternated meshes. A supporting spring or a heat shrinkable tube is arranged between the metal mesh support and the pushing guide wire to support the metal mesh support, and a supporting spring coated with the heat shrinkable tube can also be arranged to support. The utility model discloses a big or small mesh gradual change formula structural design's that adopts metal mesh support, both can guarantee the compliance of metal mesh, can guarantee the ability of support embedding thrombus again, the problem that the thrombus easily drops when can also solving the support body withdrawal to improve the rate of arresting and the success rate of thrombus arresting device.
The above-mentioned embodiments, objects, technical solutions and advantages of the present disclosure are described in further detail, it should be understood that the above-mentioned embodiments are merely illustrative of the present disclosure and are not intended to limit the scope of the present disclosure, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (12)
1. A thrombus capture device, the device comprising:
an outer sheath tube;
a push guidewire disposed within the outer sheath;
a first visualization marker disposed at a distal end of the push guidewire;
a proximal end of the metal mesh stent is indirectly connected with a distal end of the push guidewire through the first visualization marker; the metal net support is of a large and small mesh gradual change structure or a large and small mesh alternate structure.
2. A thrombus capture device according to claim 1, wherein the device further comprises:
the supporting spring is arranged at the far end of the pushing guide wire, the near end of the supporting spring is connected with the far end of the pushing guide wire, and the far end of the supporting spring is connected with the first developing mark.
3. A thrombus capture device according to claim 1, further comprising:
the heat shrink tube is arranged at the far end of the pushing guide wire, the near end of the heat shrink tube is connected with the far end of the pushing guide wire, and the far end of the heat shrink tube is connected with the first developing mark.
4. A thrombus capture device according to claim 1, wherein the meshes of the metal mesh stent comprise large meshes and small meshes.
5. A thrombus capture device according to claim 4, wherein the macro-mesh openings are located at a proximal end portion of the metal mesh stent;
the small mesh openings are located at the distal end of the metal mesh stent.
6. A thrombus capture device according to claim 1, wherein the mesh of the metal mesh stent is composed of a half of large mesh and a half of small mesh from the distal end.
7. A thrombus capture device according to claim 1, wherein the mesh of the metal mesh stent is composed of half small mesh and half large mesh from the distal end.
8. A thrombus capture device according to claim 1, wherein the mesh of the metal mesh stent is sequentially alternated from a single large mesh, half large mesh and half small mesh at intervals from the distal end.
9. A thrombus capture device according to claim 1, wherein the mesh of the metal mesh stent is sequentially alternated from a single small mesh, a half small mesh and a half large mesh at intervals from the distal end.
10. A thrombus capture device according to claim 1, wherein the distal end of the metal mesh stent is provided with a second visualization mark;
and a third developing mark is arranged at the near end of the effective section of the metal mesh bracket.
11. The thrombus capture device of claim 1, wherein the metal mesh stent is made of nitinol, cobalt-chromium alloy, nitinol DFT, or cobalt-chromium-platinum DFT.
12. The thrombus capture device according to claim 1, wherein the outer diameter of the metal mesh stent is 2 to 7 mm; the length of the metal mesh support is 10-40 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210032499.9A CN114451959A (en) | 2022-01-12 | 2022-01-12 | Thrombus catching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210032499.9A CN114451959A (en) | 2022-01-12 | 2022-01-12 | Thrombus catching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114451959A true CN114451959A (en) | 2022-05-10 |
Family
ID=81410536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210032499.9A Pending CN114451959A (en) | 2022-01-12 | 2022-01-12 | Thrombus catching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114451959A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417257A (en) * | 2012-05-14 | 2013-12-04 | 上海微创医疗器械（集团）有限公司 | Intracranial vascular thrombus removal equipment |
| CN106955140A (en) * | 2017-05-09 | 2017-07-18 | 心凯诺医疗科技(上海)有限公司 | One kind takes bolt support and thrombus withdrawing device |
| CN109303588A (en) * | 2018-10-23 | 2019-02-05 | 杭州亿科医疗器械有限公司 | Intracranial thrombus withdrawing device |
| CN109303587A (en) * | 2018-08-24 | 2019-02-05 | 苏州瑞帆医疗科技有限公司 | A kind of encephalic takes pin device and its manufacturing method |
| CN109938801A (en) * | 2017-12-21 | 2019-06-28 | 新昕医药科技（上海）有限公司 | A kind of thrombus takes bolt device |
| CN109965940A (en) * | 2017-12-28 | 2019-07-05 | 先健科技(深圳)有限公司 | One kind taking bolt device |
| CN209203427U (en) * | 2018-10-23 | 2019-08-06 | 杭州亿科医疗器械有限公司 | Cerebral thrombosis withdrawing device |
| CN111246811A (en) * | 2017-10-16 | 2020-06-05 | 上海沃比医疗科技有限公司 | Device and method for treating vascular occlusion |
| CN111434314A (en) * | 2019-01-15 | 2020-07-21 | 苏州博欣医疗科技有限公司 | Can develop thrombectomy support and thrombus remove device of location |
-
2022
- 2022-01-12 CN CN202210032499.9A patent/CN114451959A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417257A (en) * | 2012-05-14 | 2013-12-04 | 上海微创医疗器械（集团）有限公司 | Intracranial vascular thrombus removal equipment |
| CN106955140A (en) * | 2017-05-09 | 2017-07-18 | 心凯诺医疗科技(上海)有限公司 | One kind takes bolt support and thrombus withdrawing device |
| CN111246811A (en) * | 2017-10-16 | 2020-06-05 | 上海沃比医疗科技有限公司 | Device and method for treating vascular occlusion |
| US20200297364A1 (en) * | 2017-10-16 | 2020-09-24 | Shanghai Wallaby Medical Technologies Co., Inc. | Devices and methods for treating blocked blood vessels |
| CN109938801A (en) * | 2017-12-21 | 2019-06-28 | 新昕医药科技（上海）有限公司 | A kind of thrombus takes bolt device |
| CN109965940A (en) * | 2017-12-28 | 2019-07-05 | 先健科技(深圳)有限公司 | One kind taking bolt device |
| CN109303587A (en) * | 2018-08-24 | 2019-02-05 | 苏州瑞帆医疗科技有限公司 | A kind of encephalic takes pin device and its manufacturing method |
| CN109303588A (en) * | 2018-10-23 | 2019-02-05 | 杭州亿科医疗器械有限公司 | Intracranial thrombus withdrawing device |
| CN209203427U (en) * | 2018-10-23 | 2019-08-06 | 杭州亿科医疗器械有限公司 | Cerebral thrombosis withdrawing device |
| CN111434314A (en) * | 2019-01-15 | 2020-07-21 | 苏州博欣医疗科技有限公司 | Can develop thrombectomy support and thrombus remove device of location |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4919217B2 (en) | Medical implant | |
| EP2702964A1 (en) | Stent | |
| JP5074502B2 (en) | Self-expanding stent system for bifurcated damage | |
| JP6736627B2 (en) | Medical tubular body | |
| CN107961097B (en) | Lumen stent | |
| RU2015144196A (en) | DEVICE IN THE FORM OF EXTENDABLE BODY AND METHOD OF ITS APPLICATION | |
| CN113017771A (en) | Periphery embolectomy basket | |
| KR20140075737A (en) | Filter device for capturing embolic material | |
| CN113288535B (en) | Intracranial vascular stent | |
| JP2007061311A (en) | Catheter | |
| CN217285964U (en) | Thrombus catching device | |
| CN112690854A (en) | Conveying system of blood flow reconstruction support | |
| CN209884439U (en) | Convenient fixed development mechanism and intravascular stent thereof | |
| CN114451959A (en) | Thrombus catching device | |
| CN211409222U (en) | Conveyor of blood flow guiding device | |
| CN118416368A (en) | Enhanced middle catheter assembly and conveying system | |
| CN204364174U (en) | The collateral type intravascular stent of iliac artery | |
| CN212547092U (en) | Thrombus taking device | |
| JP6458165B2 (en) | Stent | |
| CN109965942B (en) | Embolic obstruction retrieval device for blood vessels | |
| CN210301136U (en) | Embolic obstruction retrieval device for blood vessels | |
| CN111938748A (en) | Thrombus taking device | |
| CN216676051U (en) | Sheath core assembly and delivery instrument | |
| WO2020108548A1 (en) | Developing mechanism for facilitating fixation and vascular stent thereof | |
| CN114028049B (en) | Intracranial support bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 101204 building 4, yard 21, Panlong West Road, Mafang Town, Pinggu District, Beijing Applicant after: Beijing Taijieweiye Technology Co.,Ltd. Address before: 101204 building 4, yard 21, Panlong West Road, Mafang Town, Pinggu District, Beijing Applicant before: BEIJING TAIJIE WEIYE TECHNOLOGY Co.,Ltd. |