CN213722678U - Support for interventional department treatment of intracranial aneurysm - Google Patents
Support for interventional department treatment of intracranial aneurysm Download PDFInfo
- Publication number
- CN213722678U CN213722678U CN202022489315.0U CN202022489315U CN213722678U CN 213722678 U CN213722678 U CN 213722678U CN 202022489315 U CN202022489315 U CN 202022489315U CN 213722678 U CN213722678 U CN 213722678U
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- China
- Prior art keywords
- stent
- catheter
- end mark
- guide tube
- intracranial aneurysm
- Prior art date
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- 201000008450 Intracranial aneurysm Diseases 0.000 title claims abstract description 22
- 229910001000 nickel titanium Inorganic materials 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims description 7
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- 206010002329 Aneurysm Diseases 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 208000006011 Stroke Diseases 0.000 description 2
- 208000007536 Thrombosis Diseases 0.000 description 2
- 210000004712 air sac Anatomy 0.000 description 2
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- 206010058558 Hypoperfusion Diseases 0.000 description 1
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- 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 description 1
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Abstract
The utility model discloses a support for interventional department treatment of intracranial aneurysm, which comprises a guide sheath, wherein a guide tube is arranged inside the guide sheath, the guide tube is arranged into a balloon guide tube structure, after the guide tube is conveyed to a specified position, an expansion balloon is expanded to enlarge the balloon into a sphere shape, so that the support layer is favorable for placing the support layer, a support layer is arranged outside the guide tube, the support layer is woven into a net-shaped structure by nickel-titanium alloy wires and is provided with near-end mark points and far-end mark points, the nickel-titanium alloy has good plasticity and has the excellent characteristics of wear resistance, super elasticity and the like, the required supporting force and flexibility are provided, the near-end mark points and the far-end mark points are arranged, a doctor can conveniently observe the accurate position of the guide tube placement, a push guide wire penetrates through the mesh of the far-end mark points of the support layer, better branch coverage can be obtained, the utility model has reasonable structure, the operation is very convenient, the operation time of the patient is saved, and the radiation quantity of the patient and the operation is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of relevant surgical instruments, concretely relates to support for intervention branch of academic or vocational study treatment intracranial aneurysm.
Background
Intracranial aneurysm is a tumor formed after abnormal expansion of blood vessels of cerebral arteries, can cause life risks after rupture, is the first cause of subarachnoid hemorrhage, and is second to cerebral thrombosis and hypertensive cerebral hemorrhage in cerebrovascular accidents and is third to the third. The disease can occur at any age, and most of the disease is better in middle-aged and old women of 40 to 60 years old. The causes of intracranial aneurysm are not clear, and most students think that intracranial aneurysm is caused on the basis of congenital defects of partial wall of intracranial artery and increased pressure in cavity, and hypertension, cerebral arteriosclerosis and vasculitis are related to the occurrence and development of aneurysm. Intracranial aneurysms occur well in the basilar artery of the brain, 80% of which occur in the anterior half of the basilar artery.
The existing technology has no support which can properly treat intracranial aneurysm, most supports on the market have the problem of insufficient compliance, when the support passes through intracranial blood vessels of patients, the support is often blocked inconveniently in the bent blood vessels and is easy to bleed, poor adherence of the support is easy to cause, the support is not fully expanded, the blood vessels are easy to block, thrombus formation is promoted, the blood vessels are further blocked, the probability of stroke occurrence is improved, marking points are not provided, after the support reaches the position and is released, the support has no way of complete branch covering because of no marking points, the operation difficulty is high, the risk is high, and a novel support is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a support for intervention branch of academic or vocational study treatment intracranial aneurysm, to above-mentioned condition, for overcoming prior art's defect, the utility model aims at providing a support for intervention branch of academic or vocational study treatment intracranial aneurysm, effectually solved and blockked up inconveniently in crooked endovascular to cause the problem of bleeding extremely easily, cause the support adherence bad very easily, the support expansion is incomplete, just so leads to vascular jam very easily, thereby promotes the formation scheduling problem of thrombus.
In order to achieve the above object, the utility model provides a following technical scheme:
a stent for interventional treatment of intracranial aneurysm, comprising an introduction sheath, characterized in that: the catheter is arranged in the guide-in sheath, the push guide wire 8 can be arranged in the catheter 3, the marker point is arranged at the top end of the guide-in sheath, and the stent layer is arranged outside the catheter.
Preferably, the catheter is of cylindrical configuration and the catheter is provided as a balloon catheter structure.
Preferably, the stent layer is woven by nitinol wires into a mesh-shaped structure and is provided with a proximal marker point and a distal marker point.
Preferably, the catheter is provided with a hose structure and with a hydrophilic coating.
Preferably, the catheter is configured to be pushed by the introduction sheath and is pushed through the port.
Preferably, the stent layer is configured to push a pusher wire through a mesh of the stent distal marker point from within the catheter after installation.
Compared with the prior art, the utility model provides a support for intervention branch of academic or vocational study treatment intracranial aneurysm possesses following beneficial effect:
the utility model relates to a support for interventional therapy intracranial aneurysm, the inside of the leading-in sheath is provided with a catheter, the catheter is provided with a hose structure and a hydrophilic coating, the hose structure is soft and has certain elastic function, which is beneficial to the position adjustment of the catheter, and simultaneously, the more excellent anti-folding performance is kept, the hydrophilic coating has lubricating performance, the catheter can easily cross when meeting folded artery or plaque, and a passage is easily established in the intracranial structure, thereby facilitating the passing of the support, avoiding the blockage feeling or difficult transportation of a patient and delaying the operation time, the catheter is arranged into an air bag catheter structure, after the catheter is transported to a designated position, the air bag is expanded, the air bag is enlarged into a spherical shape, being beneficial to placing the support layer, reducing the pain of the patient, the support layer is woven into a net-shaped structure by nickel-titanium alloy wires, and is provided with a near-end mark point and a far-end mark point, the nickel-titanium alloy has good plasticity, excellent characteristics of abrasion resistance, corrosion resistance, high damping, superelasticity and the like, provides required supporting force and flexibility, can completely prevent the problems of intracranial vascular blockage of a patient caused by poor adherence of the stent and the like due to expansion of the stent, facilitates the observation of the accurate position of the placement of the catheter by a doctor by using the near-end mark points and the far-end mark points to prevent accidents, can push the guide wire from the interior of the catheter after the installation of the stent layer is finished, and the push guide wire passes through meshes of the far-end mark points of the stent and is used for better branch covering, the catheter is arranged into a structure in a push form by a guide sheath, the guide wire can be pushed from the interior of the catheter after the installation of the stent layer is finished, the utility model has reasonable structure, is very convenient to use and operate, saves the operation time of the patient, and is convenient to transport and bend the catheter, the radiation quantity of the patient and the operation is greatly reduced, and the secondary damage to the body of the patient is prevented.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of a stent for interventional treatment of intracranial aneurysm, which is provided by the utility model;
fig. 2 is a schematic view of a catheter structure according to the present invention;
fig. 3 is a schematic view of a structure of a support layer provided by the present invention;
in the figure: 1. introducing a sheath; 2. marking points; 3. a conduit; 4. a scaffold layer; 5. a hydrophilic coating; 6. marking points at the near end; 7. marking points at the far end; 8. pushing the guide wire; 9. and (6) a port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a stent for treating intracranial aneurysm in interventional department comprises a guiding sheath 1, a catheter 3 is arranged and installed in the guiding sheath 1, the catheter 3 is of a pushing type structure formed by the guiding sheath 1, the catheter 3 is of a cylindrical structure, the catheter 3 is of a balloon catheter structure, after the catheter is conveyed to a specified position, a balloon is expanded, the balloon is enlarged to be spherical, a stent layer 4 is favorably placed, pain of a patient is reduced, a pushing guide wire 8 can be arranged in the catheter 3, the catheter 3 is provided with a hose structure and a hydrophilic coating 5, the texture is soft, the elastic function is achieved, the position of the catheter can be favorably adjusted, meanwhile, the excellent anti-bending performance is kept, the hydrophilic coating 5 has lubricating performance, the catheter can easily cross when a folded artery or plaque is encountered, and a passage is easily established in an intracranial structure, the guide wire guiding sheath is convenient to pass through the stent layer 4, the delay of operation time caused by blockage or difficult conveying of a patient is avoided, the mark points 2 are arranged at the top end of the guiding sheath 1, the stent layer 4 is arranged outside the guiding tube 3, the stent layer 4 is woven into a net-shaped structure by nickel-titanium alloy wires and is provided with the proximal mark points 6 and the distal mark points 7, the nickel-titanium alloy has good plasticity and has the excellent characteristics of wear resistance, corrosion resistance, high damping, super elasticity and the like, the required supporting force and flexibility are provided, the stent can be completely expanded, the problems of intracranial vascular blockage of the patient and the like caused by poor adherence of the stent are solved, the proximal mark points 6 and the distal mark points 7 are arranged, the precise position where the guiding tube 3 is placed can be conveniently observed by a doctor through the proximal mark points 6 and the distal mark points 7, accidents are prevented, the stent layer 4 can push the guiding wire 8 from the inside the guiding tube 3 after the installation is finished, the propelling movement seal wire 8 sets up to passing in the mesh of following support distal end mark point 7, and its effect is for can carrying out branch better and cover, the utility model structure is reasonable, and it is very convenient to use the operation, has practiced thrift patient's operating time, and pipe 3 transports crooked convenient, makes the radiation volume that receives in patient and the art significantly reduce, prevents to cause secondary damage to patient's health.
The utility model discloses a theory of operation and use flow: firstly, the medical history of a doctor patient, the physical examination of the patient, the strict disinfection work of tools and environment before the operation, the guiding sheath 1 is put into the body of the patient and pushed to the position near the aneurysm, then the position of the marking point is observed, the guiding tube 3 is pushed to the position after the confirmation of no error, the air sac is expanded to be spherical, then the stent layer 4 is released, if the stent layer 4 is still provided with residual stenosis after the release, the expanding air sac can be selected to continue the expansion of the stent layer 4, after the installation of the stent layer 4 is finished, the near-end marking point 6 and the far-end marking point 7 are observed, the pushing guide wire 8 penetrates through the mesh of the far-end marking point 7 of the stent layer 4, the branch covering can be better realized, meanwhile, the blood pressure is controlled before the release of the stent layer 4, the low blood pressure is still maintained for 24h after the stent operation, the blood pressure can not be too low, in order to avoid hypoperfusion infarction. After operation, heparin is not neutralized, and the sheath is pulled out after 3-6 h. Postoperative patients should insist on taking medicine, self-observing and regularly checking the body, and if symptoms such as hemorrhage or weakness appear, the patients can see a doctor immediately, and if the index is higher than the normal range even if the disease does not occur, the patients can take treatment measures actively.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A stent for interventional treatment of intracranial aneurysm, comprising an introducer sheath (1), characterized in that: the top of leading-in sheath (1) is provided with opening (9), the inside setting of leading-in sheath (1) is installed pipe (3), the inside of pipe (3) can set up propelling movement seal wire (8), the top setting of leading-in sheath (1) is installed mark point (2), the outside of pipe (3) is provided with support layer (4).
2. A stent for interventional treatment of intracranial aneurysm as in claim 1, wherein: the catheter (3) is of a cylindrical structure and the catheter (3) is arranged to be of a balloon catheter structure.
3. A stent for interventional treatment of intracranial aneurysm as in claim 1, wherein: the stent layer (4) is woven by nickel-titanium alloy wires into a net-shaped structure and is provided with a near-end mark point (6) and a far-end mark point (7).
4. A stent for interventional treatment of intracranial aneurysm as in claim 1, wherein: the catheter (3) is provided with a hose structure and a hydrophilic coating (5).
5. A stent for interventional treatment of intracranial aneurysm as in claim 1, wherein: the catheter (3) is configured to be pushed by the introduction sheath (1) and is pushed through the port (9).
6. A stent for interventional treatment of intracranial aneurysm as in claim 1, wherein: the stent layer (4) can push a guide wire (8) from the inside of the catheter (3) after being installed, and the push guide wire (8) is arranged to penetrate through meshes of the stent distal marker point (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022489315.0U CN213722678U (en) | 2020-11-02 | 2020-11-02 | Support for interventional department treatment of intracranial aneurysm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022489315.0U CN213722678U (en) | 2020-11-02 | 2020-11-02 | Support for interventional department treatment of intracranial aneurysm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213722678U true CN213722678U (en) | 2021-07-20 |
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ID=76818555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022489315.0U Expired - Fee Related CN213722678U (en) | 2020-11-02 | 2020-11-02 | Support for interventional department treatment of intracranial aneurysm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213722678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129300A (en) * | 2021-11-30 | 2022-03-04 | 北京大学第三医院（北京大学第三临床医学院） | Conformal stent and conveying method thereof |
-
2020
- 2020-11-02 CN CN202022489315.0U patent/CN213722678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129300A (en) * | 2021-11-30 | 2022-03-04 | 北京大学第三医院（北京大学第三临床医学院） | Conformal stent and conveying method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |